♻️ refactor: split relay

common/client.go

@@ -0,0 +1,126 @@
+package common
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"time"
+)
+
+var HttpClient *http.Client
+
+func init() {
+	if RelayTimeout == 0 {
+		HttpClient = &http.Client{}
+	} else {
+		HttpClient = &http.Client{
+			Timeout: time.Duration(RelayTimeout) * time.Second,
+		}
+	}
+}
+
+type Client struct {
+	requestBuilder    RequestBuilder
+	createFormBuilder func(io.Writer) FormBuilder
+}
+
+func NewClient() *Client {
+	return &Client{
+		requestBuilder: NewRequestBuilder(),
+		createFormBuilder: func(body io.Writer) FormBuilder {
+			return NewFormBuilder(body)
+		},
+	}
+}
+
+type requestOptions struct {
+	body   any
+	header http.Header
+}
+
+type requestOption func(*requestOptions)
+
+func WithBody(body any) requestOption {
+	return func(args *requestOptions) {
+		args.body = body
+	}
+}
+
+func WithHeader(header map[string]string) requestOption {
+	return func(args *requestOptions) {
+		for k, v := range header {
+			args.header.Set(k, v)
+		}
+	}
+}
+
+type RequestError struct {
+	HTTPStatusCode int
+	Err            error
+}
+
+func (c *Client) NewRequest(method, url string, setters ...requestOption) (*http.Request, error) {
+	// Default Options
+	args := &requestOptions{
+		body:   nil,
+		header: make(http.Header),
+	}
+	for _, setter := range setters {
+		setter(args)
+	}
+	req, err := c.requestBuilder.Build(method, url, args.body, args.header)
+	if err != nil {
+		return nil, err
+	}
+
+	return req, nil
+}
+
+func (c *Client) SendRequest(req *http.Request, response any) error {
+
+	// 发送请求
+	resp, err := HttpClient.Do(req)
+	if err != nil {
+		return err
+	}
+
+	defer resp.Body.Close()
+
+	// 处理响应
+	if IsFailureStatusCode(resp) {
+		return fmt.Errorf("status code: %d", resp.StatusCode)
+	}
+
+	// 解析响应
+	err = DecodeResponse(resp.Body, response)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func IsFailureStatusCode(resp *http.Response) bool {
+	return resp.StatusCode < http.StatusOK || resp.StatusCode >= http.StatusBadRequest
+}
+
+func DecodeResponse(body io.Reader, v any) error {
+	if v == nil {
+		return nil
+	}
+
+	if result, ok := v.(*string); ok {
+		return DecodeString(body, result)
+	}
+	return json.NewDecoder(body).Decode(v)
+}
+
+func DecodeString(body io.Reader, output *string) error {
+	b, err := io.ReadAll(body)
+	if err != nil {
+		return err
+	}
+	*output = string(b)
+	return nil
+}

common/form_builder.go

@@ -0,0 +1,65 @@
+package common
+
+import (
+	"fmt"
+	"io"
+	"mime/multipart"
+	"os"
+	"path"
+)
+
+type FormBuilder interface {
+	CreateFormFile(fieldname string, file *os.File) error
+	CreateFormFileReader(fieldname string, r io.Reader, filename string) error
+	WriteField(fieldname, value string) error
+	Close() error
+	FormDataContentType() string
+}
+
+type DefaultFormBuilder struct {
+	writer *multipart.Writer
+}
+
+func NewFormBuilder(body io.Writer) *DefaultFormBuilder {
+	return &DefaultFormBuilder{
+		writer: multipart.NewWriter(body),
+	}
+}
+
+func (fb *DefaultFormBuilder) CreateFormFile(fieldname string, file *os.File) error {
+	return fb.createFormFile(fieldname, file, file.Name())
+}
+
+func (fb *DefaultFormBuilder) CreateFormFileReader(fieldname string, r io.Reader, filename string) error {
+	return fb.createFormFile(fieldname, r, path.Base(filename))
+}
+
+func (fb *DefaultFormBuilder) createFormFile(fieldname string, r io.Reader, filename string) error {
+	if filename == "" {
+		return fmt.Errorf("filename cannot be empty")
+	}
+
+	fieldWriter, err := fb.writer.CreateFormFile(fieldname, filename)
+	if err != nil {
+		return err
+	}
+
+	_, err = io.Copy(fieldWriter, r)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (fb *DefaultFormBuilder) WriteField(fieldname, value string) error {
+	return fb.writer.WriteField(fieldname, value)
+}
+
+func (fb *DefaultFormBuilder) Close() error {
+	return fb.writer.Close()
+}
+
+func (fb *DefaultFormBuilder) FormDataContentType() string {
+	return fb.writer.FormDataContentType()
+}

common/marshaller.go

@@ -0,0 +1,15 @@
+package common
+
+import (
+	"encoding/json"
+)
+
+type Marshaller interface {
+	Marshal(value any) ([]byte, error)
+}
+
+type JSONMarshaller struct{}
+
+func (jm *JSONMarshaller) Marshal(value any) ([]byte, error) {
+	return json.Marshal(value)
+}

common/quota.go

@@ -0,0 +1,59 @@
+package common
+
+// type Quota struct {
+// 	ModelName  string
+// 	ModelRatio float64
+// 	GroupRatio float64
+// 	Ratio      float64
+// 	UserQuota  int
+// }
+
+// func CreateQuota(modelName string, userQuota int, group string) *Quota {
+// 	modelRatio := GetModelRatio(modelName)
+// 	groupRatio := GetGroupRatio(group)
+
+// 	return &Quota{
+// 		ModelName:  modelName,
+// 		ModelRatio: modelRatio,
+// 		GroupRatio: groupRatio,
+// 		Ratio:      modelRatio * groupRatio,
+// 		UserQuota:  userQuota,
+// 	}
+// }
+
+// func (q *Quota) getTokenNum(tokenEncoder *tiktoken.Tiktoken, text string) int {
+// 	if ApproximateTokenEnabled {
+// 		return int(float64(len(text)) * 0.38)
+// 	}
+// 	return len(tokenEncoder.Encode(text, nil, nil))
+// }
+
+// func (q *Quota) CountTokenMessages(messages []Message, model string) int {
+// 	tokenEncoder := q.getTokenEncoder(model)
+// 	// Reference:
+// 	// https://github.com/openai/openai-cookbook/blob/main/examples/How_to_count_tokens_with_tiktoken.ipynb
+// 	// https://github.com/pkoukk/tiktoken-go/issues/6
+// 	//
+// 	// Every message follows <|start|>{role/name}\n{content}<|end|>\n
+// 	var tokensPerMessage int
+// 	var tokensPerName int
+// 	if model == "gpt-3.5-turbo-0301" {
+// 		tokensPerMessage = 4
+// 		tokensPerName = -1 // If there's a name, the role is omitted
+// 	} else {
+// 		tokensPerMessage = 3
+// 		tokensPerName = 1
+// 	}
+// 	tokenNum := 0
+// 	for _, message := range messages {
+// 		tokenNum += tokensPerMessage
+// 		tokenNum += q.getTokenNum(tokenEncoder, message.StringContent())
+// 		tokenNum += q.getTokenNum(tokenEncoder, message.Role)
+// 		if message.Name != nil {
+// 			tokenNum += tokensPerName
+// 			tokenNum += q.getTokenNum(tokenEncoder, *message.Name)
+// 		}
+// 	}
+// 	tokenNum += 3 // Every reply is primed with <|start|>assistant<|message|>
+// 	return tokenNum
+// }

common/request_builder.go

@@ -0,0 +1,50 @@
+package common
+
+import (
+	"bytes"
+	"io"
+	"net/http"
+)
+
+type RequestBuilder interface {
+	Build(method, url string, body any, header http.Header) (*http.Request, error)
+}
+
+type HTTPRequestBuilder struct {
+	marshaller Marshaller
+}
+
+func NewRequestBuilder() *HTTPRequestBuilder {
+	return &HTTPRequestBuilder{
+		marshaller: &JSONMarshaller{},
+	}
+}
+
+func (b *HTTPRequestBuilder) Build(
+	method string,
+	url string,
+	body any,
+	header http.Header,
+) (req *http.Request, err error) {
+	var bodyReader io.Reader
+	if body != nil {
+		if v, ok := body.(io.Reader); ok {
+			bodyReader = v
+		} else {
+			var reqBytes []byte
+			reqBytes, err = b.marshaller.Marshal(body)
+			if err != nil {
+				return
+			}
+			bodyReader = bytes.NewBuffer(reqBytes)
+		}
+	}
+	req, err = http.NewRequest(method, url, bodyReader)
+	if err != nil {
+		return
+	}
+	if header != nil {
+		req.Header = header
+	}
+	return
+}

common/token.go

@@ -0,0 +1,109 @@
+package common
+
+import (
+	"fmt"
+	"strings"
+
+	"one-api/types"
+
+	"github.com/pkoukk/tiktoken-go"
+)
+
+var tokenEncoderMap = map[string]*tiktoken.Tiktoken{}
+var defaultTokenEncoder *tiktoken.Tiktoken
+
+func InitTokenEncoders() {
+	SysLog("initializing token encoders")
+	gpt35TokenEncoder, err := tiktoken.EncodingForModel("gpt-3.5-turbo")
+	if err != nil {
+		FatalLog(fmt.Sprintf("failed to get gpt-3.5-turbo token encoder: %s", err.Error()))
+	}
+	defaultTokenEncoder = gpt35TokenEncoder
+	gpt4TokenEncoder, err := tiktoken.EncodingForModel("gpt-4")
+	if err != nil {
+		FatalLog(fmt.Sprintf("failed to get gpt-4 token encoder: %s", err.Error()))
+	}
+	for model, _ := range ModelRatio {
+		if strings.HasPrefix(model, "gpt-3.5") {
+			tokenEncoderMap[model] = gpt35TokenEncoder
+		} else if strings.HasPrefix(model, "gpt-4") {
+			tokenEncoderMap[model] = gpt4TokenEncoder
+		} else {
+			tokenEncoderMap[model] = nil
+		}
+	}
+	SysLog("token encoders initialized")
+}
+
+func getTokenEncoder(model string) *tiktoken.Tiktoken {
+	tokenEncoder, ok := tokenEncoderMap[model]
+	if ok && tokenEncoder != nil {
+		return tokenEncoder
+	}
+	if ok {
+		tokenEncoder, err := tiktoken.EncodingForModel(model)
+		if err != nil {
+			SysError(fmt.Sprintf("failed to get token encoder for model %s: %s, using encoder for gpt-3.5-turbo", model, err.Error()))
+			tokenEncoder = defaultTokenEncoder
+		}
+		tokenEncoderMap[model] = tokenEncoder
+		return tokenEncoder
+	}
+	return defaultTokenEncoder
+}
+
+func getTokenNum(tokenEncoder *tiktoken.Tiktoken, text string) int {
+	if ApproximateTokenEnabled {
+		return int(float64(len(text)) * 0.38)
+	}
+	return len(tokenEncoder.Encode(text, nil, nil))
+}
+
+func CountTokenMessages(messages []types.ChatCompletionMessage, model string) int {
+	tokenEncoder := getTokenEncoder(model)
+	// Reference:
+	// https://github.com/openai/openai-cookbook/blob/main/examples/How_to_count_tokens_with_tiktoken.ipynb
+	// https://github.com/pkoukk/tiktoken-go/issues/6
+	//
+	// Every message follows <|start|>{role/name}\n{content}<|end|>\n
+	var tokensPerMessage int
+	var tokensPerName int
+	if model == "gpt-3.5-turbo-0301" {
+		tokensPerMessage = 4
+		tokensPerName = -1 // If there's a name, the role is omitted
+	} else {
+		tokensPerMessage = 3
+		tokensPerName = 1
+	}
+	tokenNum := 0
+	for _, message := range messages {
+		tokenNum += tokensPerMessage
+		tokenNum += getTokenNum(tokenEncoder, message.StringContent())
+		tokenNum += getTokenNum(tokenEncoder, message.Role)
+		if message.Name != nil {
+			tokenNum += tokensPerName
+			tokenNum += getTokenNum(tokenEncoder, *message.Name)
+		}
+	}
+	tokenNum += 3 // Every reply is primed with <|start|>assistant<|message|>
+	return tokenNum
+}
+
+func CountTokenInput(input any, model string) int {
+	switch input.(type) {
+	case string:
+		return CountTokenText(input.(string), model)
+	case []string:
+		text := ""
+		for _, s := range input.([]string) {
+			text += s
+		}
+		return CountTokenText(text, model)
+	}
+	return 0
+}
+
+func CountTokenText(text string, model string) int {
+	tokenEncoder := getTokenEncoder(model)
+	return getTokenNum(tokenEncoder, text)
+}

controller/channel-billing.go

@@ -92,7 +92,7 @@ func GetResponseBody(method, url string, channel *model.Channel, headers http.He
 	for k := range headers {
 		req.Header.Add(k, headers.Get(k))
 	}
-	res, err := httpClient.Do(req)
+	res, err := common.HttpClient.Do(req)
 	if err != nil {
 		return nil, err
 	}
@@ -204,6 +204,7 @@ func updateChannelBalance(channel *model.Channel) (float64, error) {
 	if channel.GetBaseURL() == "" {
 		channel.BaseURL = &baseURL
 	}
+
 	switch channel.Type {
 	case common.ChannelTypeOpenAI:
 		if channel.GetBaseURL() != "" {

controller/channel-test.go

@@ -1,14 +1,13 @@
 package controller
 
 import (
-	"bytes"
-	"encoding/json"
 	"errors"
 	"fmt"
-	"io"
 	"net/http"
+	"net/http/httptest"
 	"one-api/common"
 	"one-api/model"
+	"one-api/types"
 	"strconv"
 	"sync"
 	"time"
@@ -16,86 +15,81 @@ import (
 	"github.com/gin-gonic/gin"
 )
 
-func testChannel(channel *model.Channel, request ChatRequest) (err error, openaiErr *OpenAIError) {
+func testChannel(channel *model.Channel, request types.ChatCompletionRequest) (err error, openaiErr *types.OpenAIError) {
+	// 创建一个 http.Request
+	req, err := http.NewRequest("POST", "/v1/chat/completions", nil)
+	if err != nil {
+		return err, nil
+	}
+	req.Header.Set("Content-Type", "application/json")
+
+	w := httptest.NewRecorder()
+	c, _ := gin.CreateTestContext(w)
+	c.Request = req
+	c.Set("channel", channel.Type)
+	c.Set("channel_id", channel.Id)
+	c.Set("channel_name", channel.Name)
+	c.Set("model_mapping", channel.GetModelMapping())
+	c.Set("api_key", channel.Key)
+	c.Set("base_url", channel.GetBaseURL())
+
 	switch channel.Type {
 	case common.ChannelTypePaLM:
-		fallthrough
+		request.Model = "PaLM-2"
 	case common.ChannelTypeAnthropic:
-		fallthrough
+		request.Model = "claude-2"
 	case common.ChannelTypeBaidu:
-		fallthrough
+		request.Model = "ERNIE-Bot"
 	case common.ChannelTypeZhipu:
-		fallthrough
+		request.Model = "chatglm_lite"
 	case common.ChannelTypeAli:
-		fallthrough
+		request.Model = "qwen-turbo"
 	case common.ChannelType360:
-		fallthrough
+		request.Model = "360GPT_S2_V9"
 	case common.ChannelTypeXunfei:
-		return errors.New("该渠道类型当前版本不支持测试，请手动测试"), nil
+		request.Model = "SparkDesk"
+		c.Set("api_version", channel.Other)
+	case common.ChannelTypeTencent:
+		request.Model = "hunyuan"
 	case common.ChannelTypeAzure:
-		request.Model = "gpt-35-turbo"
+		request.Model = "gpt-3.5-turbo"
-		defer func() {
+		c.Set("api_version", channel.Other)
-			if err != nil {
-				err = errors.New("请确保已在 Azure 上创建了 gpt-35-turbo 模型，并且 apiVersion 已正确填写！")
-			}
-		}()
 	default:
 		request.Model = "gpt-3.5-turbo"
 	}
-	requestURL := common.ChannelBaseURLs[channel.Type]
-	if channel.Type == common.ChannelTypeAzure {
-		requestURL = getFullRequestURL(channel.GetBaseURL(), fmt.Sprintf("/openai/deployments/%s/chat/completions?api-version=2023-03-15-preview", request.Model), channel.Type)
-	} else {
-		if baseURL := channel.GetBaseURL(); len(baseURL) > 0 {
-			requestURL = baseURL
-		}
 
-		requestURL = getFullRequestURL(requestURL, "/v1/chat/completions", channel.Type)
+	chatProvider := GetChatProvider(channel.Type, c)
-	}
+	isModelMapped := false
-	jsonData, err := json.Marshal(request)
+	modelMap, err := parseModelMapping(c.GetString("model_mapping"))
 	if err != nil {
 		return err, nil
 	}
-	req, err := http.NewRequest("POST", requestURL, bytes.NewBuffer(jsonData))
+	if modelMap != nil && modelMap[request.Model] != "" {
-	if err != nil {
+		request.Model = modelMap[request.Model]
-		return err, nil
+		isModelMapped = true
 	}
-	if channel.Type == common.ChannelTypeAzure {
+
-		req.Header.Set("api-key", channel.Key)
+	promptTokens := common.CountTokenMessages(request.Messages, request.Model)
-	} else {
+	_, openAIErrorWithStatusCode := chatProvider.ChatCompleteResponse(&request, isModelMapped, promptTokens)
-		req.Header.Set("Authorization", "Bearer "+channel.Key)
+	if openAIErrorWithStatusCode != nil {
-	}
+		return nil, &openAIErrorWithStatusCode.OpenAIError
-	req.Header.Set("Content-Type", "application/json")
-	resp, err := httpClient.Do(req)
-	if err != nil {
-		return err, nil
-	}
-	defer resp.Body.Close()
-	var response TextResponse
-	body, err := io.ReadAll(resp.Body)
-	if err != nil {
-		return err, nil
-	}
-	err = json.Unmarshal(body, &response)
-	if err != nil {
-		return fmt.Errorf("Error: %s\nResp body: %s", err, body), nil
-	}
-	if response.Usage.CompletionTokens == 0 {
-		return errors.New(fmt.Sprintf("type %s, code %v, message %s", response.Error.Type, response.Error.Code, response.Error.Message)), &response.Error
 	}
+
 	return nil, nil
 }
 
-func buildTestRequest() *ChatRequest {
+func buildTestRequest() *types.ChatCompletionRequest {
-	testRequest := &ChatRequest{
+	testRequest := &types.ChatCompletionRequest{
-		Model:     "", // this will be set later
+		Messages: []types.ChatCompletionMessage{
+			{
+				Role:    "user",
+				Content: "You just need to output 'hi' next.",
+			},
+		},
+		Model:     "",
 		MaxTokens: 1,
+		Stream:    false,
 	}
-	testMessage := Message{
-		Role:    "user",
-		Content: "hi",
-	}
-	testRequest.Messages = append(testRequest.Messages, testMessage)
 	return testRequest
 }
 

controller/relay-aiproxy.go

@@ -1,220 +0,0 @@
-package controller
-
-import (
-	"bufio"
-	"encoding/json"
-	"fmt"
-	"github.com/gin-gonic/gin"
-	"io"
-	"net/http"
-	"one-api/common"
-	"strconv"
-	"strings"
-)
-
-// https://docs.aiproxy.io/dev/library#使用已经定制好的知识库进行对话问答
-
-type AIProxyLibraryRequest struct {
-	Model     string `json:"model"`
-	Query     string `json:"query"`
-	LibraryId string `json:"libraryId"`
-	Stream    bool   `json:"stream"`
-}
-
-type AIProxyLibraryError struct {
-	ErrCode int    `json:"errCode"`
-	Message string `json:"message"`
-}
-
-type AIProxyLibraryDocument struct {
-	Title string `json:"title"`
-	URL   string `json:"url"`
-}
-
-type AIProxyLibraryResponse struct {
-	Success   bool                     `json:"success"`
-	Answer    string                   `json:"answer"`
-	Documents []AIProxyLibraryDocument `json:"documents"`
-	AIProxyLibraryError
-}
-
-type AIProxyLibraryStreamResponse struct {
-	Content   string                   `json:"content"`
-	Finish    bool                     `json:"finish"`
-	Model     string                   `json:"model"`
-	Documents []AIProxyLibraryDocument `json:"documents"`
-}
-
-func requestOpenAI2AIProxyLibrary(request GeneralOpenAIRequest) *AIProxyLibraryRequest {
-	query := ""
-	if len(request.Messages) != 0 {
-		query = request.Messages[len(request.Messages)-1].StringContent()
-	}
-	return &AIProxyLibraryRequest{
-		Model:  request.Model,
-		Stream: request.Stream,
-		Query:  query,
-	}
-}
-
-func aiProxyDocuments2Markdown(documents []AIProxyLibraryDocument) string {
-	if len(documents) == 0 {
-		return ""
-	}
-	content := "\n\n参考文档：\n"
-	for i, document := range documents {
-		content += fmt.Sprintf("%d. [%s](%s)\n", i+1, document.Title, document.URL)
-	}
-	return content
-}
-
-func responseAIProxyLibrary2OpenAI(response *AIProxyLibraryResponse) *OpenAITextResponse {
-	content := response.Answer + aiProxyDocuments2Markdown(response.Documents)
-	choice := OpenAITextResponseChoice{
-		Index: 0,
-		Message: Message{
-			Role:    "assistant",
-			Content: content,
-		},
-		FinishReason: "stop",
-	}
-	fullTextResponse := OpenAITextResponse{
-		Id:      common.GetUUID(),
-		Object:  "chat.completion",
-		Created: common.GetTimestamp(),
-		Choices: []OpenAITextResponseChoice{choice},
-	}
-	return &fullTextResponse
-}
-
-func documentsAIProxyLibrary(documents []AIProxyLibraryDocument) *ChatCompletionsStreamResponse {
-	var choice ChatCompletionsStreamResponseChoice
-	choice.Delta.Content = aiProxyDocuments2Markdown(documents)
-	choice.FinishReason = &stopFinishReason
-	return &ChatCompletionsStreamResponse{
-		Id:      common.GetUUID(),
-		Object:  "chat.completion.chunk",
-		Created: common.GetTimestamp(),
-		Model:   "",
-		Choices: []ChatCompletionsStreamResponseChoice{choice},
-	}
-}
-
-func streamResponseAIProxyLibrary2OpenAI(response *AIProxyLibraryStreamResponse) *ChatCompletionsStreamResponse {
-	var choice ChatCompletionsStreamResponseChoice
-	choice.Delta.Content = response.Content
-	return &ChatCompletionsStreamResponse{
-		Id:      common.GetUUID(),
-		Object:  "chat.completion.chunk",
-		Created: common.GetTimestamp(),
-		Model:   response.Model,
-		Choices: []ChatCompletionsStreamResponseChoice{choice},
-	}
-}
-
-func aiProxyLibraryStreamHandler(c *gin.Context, resp *http.Response) (*OpenAIErrorWithStatusCode, *Usage) {
-	var usage Usage
-	scanner := bufio.NewScanner(resp.Body)
-	scanner.Split(func(data []byte, atEOF bool) (advance int, token []byte, err error) {
-		if atEOF && len(data) == 0 {
-			return 0, nil, nil
-		}
-		if i := strings.Index(string(data), "\n"); i >= 0 {
-			return i + 1, data[0:i], nil
-		}
-		if atEOF {
-			return len(data), data, nil
-		}
-		return 0, nil, nil
-	})
-	dataChan := make(chan string)
-	stopChan := make(chan bool)
-	go func() {
-		for scanner.Scan() {
-			data := scanner.Text()
-			if len(data) < 5 { // ignore blank line or wrong format
-				continue
-			}
-			if data[:5] != "data:" {
-				continue
-			}
-			data = data[5:]
-			dataChan <- data
-		}
-		stopChan <- true
-	}()
-	setEventStreamHeaders(c)
-	var documents []AIProxyLibraryDocument
-	c.Stream(func(w io.Writer) bool {
-		select {
-		case data := <-dataChan:
-			var AIProxyLibraryResponse AIProxyLibraryStreamResponse
-			err := json.Unmarshal([]byte(data), &AIProxyLibraryResponse)
-			if err != nil {
-				common.SysError("error unmarshalling stream response: " + err.Error())
-				return true
-			}
-			if len(AIProxyLibraryResponse.Documents) != 0 {
-				documents = AIProxyLibraryResponse.Documents
-			}
-			response := streamResponseAIProxyLibrary2OpenAI(&AIProxyLibraryResponse)
-			jsonResponse, err := json.Marshal(response)
-			if err != nil {
-				common.SysError("error marshalling stream response: " + err.Error())
-				return true
-			}
-			c.Render(-1, common.CustomEvent{Data: "data: " + string(jsonResponse)})
-			return true
-		case <-stopChan:
-			response := documentsAIProxyLibrary(documents)
-			jsonResponse, err := json.Marshal(response)
-			if err != nil {
-				common.SysError("error marshalling stream response: " + err.Error())
-				return true
-			}
-			c.Render(-1, common.CustomEvent{Data: "data: " + string(jsonResponse)})
-			c.Render(-1, common.CustomEvent{Data: "data: [DONE]"})
-			return false
-		}
-	})
-	err := resp.Body.Close()
-	if err != nil {
-		return errorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), nil
-	}
-	return nil, &usage
-}
-
-func aiProxyLibraryHandler(c *gin.Context, resp *http.Response) (*OpenAIErrorWithStatusCode, *Usage) {
-	var AIProxyLibraryResponse AIProxyLibraryResponse
-	responseBody, err := io.ReadAll(resp.Body)
-	if err != nil {
-		return errorWrapper(err, "read_response_body_failed", http.StatusInternalServerError), nil
-	}
-	err = resp.Body.Close()
-	if err != nil {
-		return errorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), nil
-	}
-	err = json.Unmarshal(responseBody, &AIProxyLibraryResponse)
-	if err != nil {
-		return errorWrapper(err, "unmarshal_response_body_failed", http.StatusInternalServerError), nil
-	}
-	if AIProxyLibraryResponse.ErrCode != 0 {
-		return &OpenAIErrorWithStatusCode{
-			OpenAIError: OpenAIError{
-				Message: AIProxyLibraryResponse.Message,
-				Type:    strconv.Itoa(AIProxyLibraryResponse.ErrCode),
-				Code:    AIProxyLibraryResponse.ErrCode,
-			},
-			StatusCode: resp.StatusCode,
-		}, nil
-	}
-	fullTextResponse := responseAIProxyLibrary2OpenAI(&AIProxyLibraryResponse)
-	jsonResponse, err := json.Marshal(fullTextResponse)
-	if err != nil {
-		return errorWrapper(err, "marshal_response_body_failed", http.StatusInternalServerError), nil
-	}
-	c.Writer.Header().Set("Content-Type", "application/json")
-	c.Writer.WriteHeader(resp.StatusCode)
-	_, err = c.Writer.Write(jsonResponse)
-	return nil, &fullTextResponse.Usage
-}

controller/relay-ali.go

@@ -1,329 +0,0 @@
-package controller
-
-import (
-	"bufio"
-	"encoding/json"
-	"github.com/gin-gonic/gin"
-	"io"
-	"net/http"
-	"one-api/common"
-	"strings"
-)
-
-// https://help.aliyun.com/document_detail/613695.html?spm=a2c4g.2399480.0.0.1adb778fAdzP9w#341800c0f8w0r
-
-type AliMessage struct {
-	User string `json:"user"`
-	Bot  string `json:"bot"`
-}
-
-type AliInput struct {
-	Prompt  string       `json:"prompt"`
-	History []AliMessage `json:"history"`
-}
-
-type AliParameters struct {
-	TopP         float64 `json:"top_p,omitempty"`
-	TopK         int     `json:"top_k,omitempty"`
-	Seed         uint64  `json:"seed,omitempty"`
-	EnableSearch bool    `json:"enable_search,omitempty"`
-}
-
-type AliChatRequest struct {
-	Model      string        `json:"model"`
-	Input      AliInput      `json:"input"`
-	Parameters AliParameters `json:"parameters,omitempty"`
-}
-
-type AliEmbeddingRequest struct {
-	Model string `json:"model"`
-	Input struct {
-		Texts []string `json:"texts"`
-	} `json:"input"`
-	Parameters *struct {
-		TextType string `json:"text_type,omitempty"`
-	} `json:"parameters,omitempty"`
-}
-
-type AliEmbedding struct {
-	Embedding []float64 `json:"embedding"`
-	TextIndex int       `json:"text_index"`
-}
-
-type AliEmbeddingResponse struct {
-	Output struct {
-		Embeddings []AliEmbedding `json:"embeddings"`
-	} `json:"output"`
-	Usage AliUsage `json:"usage"`
-	AliError
-}
-
-type AliError struct {
-	Code      string `json:"code"`
-	Message   string `json:"message"`
-	RequestId string `json:"request_id"`
-}
-
-type AliUsage struct {
-	InputTokens  int `json:"input_tokens"`
-	OutputTokens int `json:"output_tokens"`
-	TotalTokens  int `json:"total_tokens"`
-}
-
-type AliOutput struct {
-	Text         string `json:"text"`
-	FinishReason string `json:"finish_reason"`
-}
-
-type AliChatResponse struct {
-	Output AliOutput `json:"output"`
-	Usage  AliUsage  `json:"usage"`
-	AliError
-}
-
-func requestOpenAI2Ali(request GeneralOpenAIRequest) *AliChatRequest {
-	messages := make([]AliMessage, 0, len(request.Messages))
-	prompt := ""
-	for i := 0; i < len(request.Messages); i++ {
-		message := request.Messages[i]
-		if message.Role == "system" {
-			messages = append(messages, AliMessage{
-				User: message.StringContent(),
-				Bot:  "Okay",
-			})
-			continue
-		} else {
-			if i == len(request.Messages)-1 {
-				prompt = message.StringContent()
-				break
-			}
-			messages = append(messages, AliMessage{
-				User: message.StringContent(),
-				Bot:  request.Messages[i+1].StringContent(),
-			})
-			i++
-		}
-	}
-	return &AliChatRequest{
-		Model: request.Model,
-		Input: AliInput{
-			Prompt:  prompt,
-			History: messages,
-		},
-		//Parameters: AliParameters{  // ChatGPT's parameters are not compatible with Ali's
-		//	TopP: request.TopP,
-		//	TopK: 50,
-		//	//Seed:         0,
-		//	//EnableSearch: false,
-		//},
-	}
-}
-
-func embeddingRequestOpenAI2Ali(request GeneralOpenAIRequest) *AliEmbeddingRequest {
-	return &AliEmbeddingRequest{
-		Model: "text-embedding-v1",
-		Input: struct {
-			Texts []string `json:"texts"`
-		}{
-			Texts: request.ParseInput(),
-		},
-	}
-}
-
-func aliEmbeddingHandler(c *gin.Context, resp *http.Response) (*OpenAIErrorWithStatusCode, *Usage) {
-	var aliResponse AliEmbeddingResponse
-	err := json.NewDecoder(resp.Body).Decode(&aliResponse)
-	if err != nil {
-		return errorWrapper(err, "unmarshal_response_body_failed", http.StatusInternalServerError), nil
-	}
-
-	err = resp.Body.Close()
-	if err != nil {
-		return errorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), nil
-	}
-
-	if aliResponse.Code != "" {
-		return &OpenAIErrorWithStatusCode{
-			OpenAIError: OpenAIError{
-				Message: aliResponse.Message,
-				Type:    aliResponse.Code,
-				Param:   aliResponse.RequestId,
-				Code:    aliResponse.Code,
-			},
-			StatusCode: resp.StatusCode,
-		}, nil
-	}
-
-	fullTextResponse := embeddingResponseAli2OpenAI(&aliResponse)
-	jsonResponse, err := json.Marshal(fullTextResponse)
-	if err != nil {
-		return errorWrapper(err, "marshal_response_body_failed", http.StatusInternalServerError), nil
-	}
-	c.Writer.Header().Set("Content-Type", "application/json")
-	c.Writer.WriteHeader(resp.StatusCode)
-	_, err = c.Writer.Write(jsonResponse)
-	return nil, &fullTextResponse.Usage
-}
-
-func embeddingResponseAli2OpenAI(response *AliEmbeddingResponse) *OpenAIEmbeddingResponse {
-	openAIEmbeddingResponse := OpenAIEmbeddingResponse{
-		Object: "list",
-		Data:   make([]OpenAIEmbeddingResponseItem, 0, len(response.Output.Embeddings)),
-		Model:  "text-embedding-v1",
-		Usage:  Usage{TotalTokens: response.Usage.TotalTokens},
-	}
-
-	for _, item := range response.Output.Embeddings {
-		openAIEmbeddingResponse.Data = append(openAIEmbeddingResponse.Data, OpenAIEmbeddingResponseItem{
-			Object:    `embedding`,
-			Index:     item.TextIndex,
-			Embedding: item.Embedding,
-		})
-	}
-	return &openAIEmbeddingResponse
-}
-
-func responseAli2OpenAI(response *AliChatResponse) *OpenAITextResponse {
-	choice := OpenAITextResponseChoice{
-		Index: 0,
-		Message: Message{
-			Role:    "assistant",
-			Content: response.Output.Text,
-		},
-		FinishReason: response.Output.FinishReason,
-	}
-	fullTextResponse := OpenAITextResponse{
-		Id:      response.RequestId,
-		Object:  "chat.completion",
-		Created: common.GetTimestamp(),
-		Choices: []OpenAITextResponseChoice{choice},
-		Usage: Usage{
-			PromptTokens:     response.Usage.InputTokens,
-			CompletionTokens: response.Usage.OutputTokens,
-			TotalTokens:      response.Usage.InputTokens + response.Usage.OutputTokens,
-		},
-	}
-	return &fullTextResponse
-}
-
-func streamResponseAli2OpenAI(aliResponse *AliChatResponse) *ChatCompletionsStreamResponse {
-	var choice ChatCompletionsStreamResponseChoice
-	choice.Delta.Content = aliResponse.Output.Text
-	if aliResponse.Output.FinishReason != "null" {
-		finishReason := aliResponse.Output.FinishReason
-		choice.FinishReason = &finishReason
-	}
-	response := ChatCompletionsStreamResponse{
-		Id:      aliResponse.RequestId,
-		Object:  "chat.completion.chunk",
-		Created: common.GetTimestamp(),
-		Model:   "ernie-bot",
-		Choices: []ChatCompletionsStreamResponseChoice{choice},
-	}
-	return &response
-}
-
-func aliStreamHandler(c *gin.Context, resp *http.Response) (*OpenAIErrorWithStatusCode, *Usage) {
-	var usage Usage
-	scanner := bufio.NewScanner(resp.Body)
-	scanner.Split(func(data []byte, atEOF bool) (advance int, token []byte, err error) {
-		if atEOF && len(data) == 0 {
-			return 0, nil, nil
-		}
-		if i := strings.Index(string(data), "\n"); i >= 0 {
-			return i + 1, data[0:i], nil
-		}
-		if atEOF {
-			return len(data), data, nil
-		}
-		return 0, nil, nil
-	})
-	dataChan := make(chan string)
-	stopChan := make(chan bool)
-	go func() {
-		for scanner.Scan() {
-			data := scanner.Text()
-			if len(data) < 5 { // ignore blank line or wrong format
-				continue
-			}
-			if data[:5] != "data:" {
-				continue
-			}
-			data = data[5:]
-			dataChan <- data
-		}
-		stopChan <- true
-	}()
-	setEventStreamHeaders(c)
-	lastResponseText := ""
-	c.Stream(func(w io.Writer) bool {
-		select {
-		case data := <-dataChan:
-			var aliResponse AliChatResponse
-			err := json.Unmarshal([]byte(data), &aliResponse)
-			if err != nil {
-				common.SysError("error unmarshalling stream response: " + err.Error())
-				return true
-			}
-			if aliResponse.Usage.OutputTokens != 0 {
-				usage.PromptTokens = aliResponse.Usage.InputTokens
-				usage.CompletionTokens = aliResponse.Usage.OutputTokens
-				usage.TotalTokens = aliResponse.Usage.InputTokens + aliResponse.Usage.OutputTokens
-			}
-			response := streamResponseAli2OpenAI(&aliResponse)
-			response.Choices[0].Delta.Content = strings.TrimPrefix(response.Choices[0].Delta.Content, lastResponseText)
-			lastResponseText = aliResponse.Output.Text
-			jsonResponse, err := json.Marshal(response)
-			if err != nil {
-				common.SysError("error marshalling stream response: " + err.Error())
-				return true
-			}
-			c.Render(-1, common.CustomEvent{Data: "data: " + string(jsonResponse)})
-			return true
-		case <-stopChan:
-			c.Render(-1, common.CustomEvent{Data: "data: [DONE]"})
-			return false
-		}
-	})
-	err := resp.Body.Close()
-	if err != nil {
-		return errorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), nil
-	}
-	return nil, &usage
-}
-
-func aliHandler(c *gin.Context, resp *http.Response) (*OpenAIErrorWithStatusCode, *Usage) {
-	var aliResponse AliChatResponse
-	responseBody, err := io.ReadAll(resp.Body)
-	if err != nil {
-		return errorWrapper(err, "read_response_body_failed", http.StatusInternalServerError), nil
-	}
-	err = resp.Body.Close()
-	if err != nil {
-		return errorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), nil
-	}
-	err = json.Unmarshal(responseBody, &aliResponse)
-	if err != nil {
-		return errorWrapper(err, "unmarshal_response_body_failed", http.StatusInternalServerError), nil
-	}
-	if aliResponse.Code != "" {
-		return &OpenAIErrorWithStatusCode{
-			OpenAIError: OpenAIError{
-				Message: aliResponse.Message,
-				Type:    aliResponse.Code,
-				Param:   aliResponse.RequestId,
-				Code:    aliResponse.Code,
-			},
-			StatusCode: resp.StatusCode,
-		}, nil
-	}
-	fullTextResponse := responseAli2OpenAI(&aliResponse)
-	jsonResponse, err := json.Marshal(fullTextResponse)
-	if err != nil {
-		return errorWrapper(err, "marshal_response_body_failed", http.StatusInternalServerError), nil
-	}
-	c.Writer.Header().Set("Content-Type", "application/json")
-	c.Writer.WriteHeader(resp.StatusCode)
-	_, err = c.Writer.Write(jsonResponse)
-	return nil, &fullTextResponse.Usage
-}

controller/relay-audio.go

@@ -1,183 +0,0 @@
-package controller
-
-import (
-	"bytes"
-	"context"
-	"encoding/json"
-	"errors"
-	"fmt"
-	"github.com/gin-gonic/gin"
-	"io"
-	"net/http"
-	"one-api/common"
-	"one-api/model"
-	"strings"
-)
-
-func relayAudioHelper(c *gin.Context, relayMode int) *OpenAIErrorWithStatusCode {
-	audioModel := "whisper-1"
-
-	tokenId := c.GetInt("token_id")
-	channelType := c.GetInt("channel")
-	channelId := c.GetInt("channel_id")
-	userId := c.GetInt("id")
-	group := c.GetString("group")
-	tokenName := c.GetString("token_name")
-
-	var ttsRequest TextToSpeechRequest
-	if relayMode == RelayModeAudioSpeech {
-		// Read JSON
-		err := common.UnmarshalBodyReusable(c, &ttsRequest)
-		// Check if JSON is valid
-		if err != nil {
-			return errorWrapper(err, "invalid_json", http.StatusBadRequest)
-		}
-		audioModel = ttsRequest.Model
-		// Check if text is too long 4096
-		if len(ttsRequest.Input) > 4096 {
-			return errorWrapper(errors.New("input is too long (over 4096 characters)"), "text_too_long", http.StatusBadRequest)
-		}
-	}
-
-	preConsumedTokens := common.PreConsumedQuota
-	modelRatio := common.GetModelRatio(audioModel)
-	groupRatio := common.GetGroupRatio(group)
-	ratio := modelRatio * groupRatio
-	preConsumedQuota := int(float64(preConsumedTokens) * ratio)
-	userQuota, err := model.CacheGetUserQuota(userId)
-	if err != nil {
-		return errorWrapper(err, "get_user_quota_failed", http.StatusInternalServerError)
-	}
-
-	quota := 0
-	// Check if user quota is enough
-	if relayMode == RelayModeAudioSpeech {
-		quota = int(float64(len(ttsRequest.Input)) * modelRatio * groupRatio)
-		if quota > userQuota {
-			return errorWrapper(errors.New("user quota is not enough"), "insufficient_user_quota", http.StatusForbidden)
-		}
-	} else {
-		if userQuota-preConsumedQuota < 0 {
-			return errorWrapper(errors.New("user quota is not enough"), "insufficient_user_quota", http.StatusForbidden)
-		}
-		err = model.CacheDecreaseUserQuota(userId, preConsumedQuota)
-		if err != nil {
-			return errorWrapper(err, "decrease_user_quota_failed", http.StatusInternalServerError)
-		}
-		if userQuota > 100*preConsumedQuota {
-			// in this case, we do not pre-consume quota
-			// because the user has enough quota
-			preConsumedQuota = 0
-		}
-		if preConsumedQuota > 0 {
-			err := model.PreConsumeTokenQuota(tokenId, preConsumedQuota)
-			if err != nil {
-				return errorWrapper(err, "pre_consume_token_quota_failed", http.StatusForbidden)
-			}
-		}
-	}
-
-	// map model name
-	modelMapping := c.GetString("model_mapping")
-	if modelMapping != "" {
-		modelMap := make(map[string]string)
-		err := json.Unmarshal([]byte(modelMapping), &modelMap)
-		if err != nil {
-			return errorWrapper(err, "unmarshal_model_mapping_failed", http.StatusInternalServerError)
-		}
-		if modelMap[audioModel] != "" {
-			audioModel = modelMap[audioModel]
-		}
-	}
-
-	baseURL := common.ChannelBaseURLs[channelType]
-	requestURL := c.Request.URL.String()
-	if c.GetString("base_url") != "" {
-		baseURL = c.GetString("base_url")
-	}
-
-	fullRequestURL := getFullRequestURL(baseURL, requestURL, channelType)
-	if relayMode == RelayModeAudioTranscription && channelType == common.ChannelTypeAzure {
-		// https://learn.microsoft.com/en-us/azure/ai-services/openai/whisper-quickstart?tabs=command-line#rest-api
-		query := c.Request.URL.Query()
-		apiVersion := query.Get("api-version")
-		if apiVersion == "" {
-			apiVersion = c.GetString("api_version")
-		}
-		baseURL = c.GetString("base_url")
-		fullRequestURL = fmt.Sprintf("%s/openai/deployments/%s/audio/transcriptions?api-version=%s", baseURL, audioModel, apiVersion)
-	}
-
-	requestBody := c.Request.Body
-
-	req, err := http.NewRequest(c.Request.Method, fullRequestURL, requestBody)
-	if err != nil {
-		return errorWrapper(err, "new_request_failed", http.StatusInternalServerError)
-	}
-
-	if relayMode == RelayModeAudioTranscription && channelType == common.ChannelTypeAzure {
-		// https://learn.microsoft.com/en-us/azure/ai-services/openai/whisper-quickstart?tabs=command-line#rest-api
-		apiKey := c.Request.Header.Get("Authorization")
-		apiKey = strings.TrimPrefix(apiKey, "Bearer ")
-		req.Header.Set("api-key", apiKey)
-		req.ContentLength = c.Request.ContentLength
-	} else {
-		req.Header.Set("Authorization", c.Request.Header.Get("Authorization"))
-	}
-	req.Header.Set("Content-Type", c.Request.Header.Get("Content-Type"))
-	req.Header.Set("Accept", c.Request.Header.Get("Accept"))
-
-	resp, err := httpClient.Do(req)
-	if err != nil {
-		return errorWrapper(err, "do_request_failed", http.StatusInternalServerError)
-	}
-
-	err = req.Body.Close()
-	if err != nil {
-		return errorWrapper(err, "close_request_body_failed", http.StatusInternalServerError)
-	}
-	err = c.Request.Body.Close()
-	if err != nil {
-		return errorWrapper(err, "close_request_body_failed", http.StatusInternalServerError)
-	}
-
-	if relayMode == RelayModeAudioSpeech {
-		defer func(ctx context.Context) {
-			go postConsumeQuota(ctx, tokenId, quota, userId, channelId, modelRatio, groupRatio, audioModel, tokenName)
-		}(c.Request.Context())
-	} else {
-		responseBody, err := io.ReadAll(resp.Body)
-		if err != nil {
-			return errorWrapper(err, "read_response_body_failed", http.StatusInternalServerError)
-		}
-		err = resp.Body.Close()
-		if err != nil {
-			return errorWrapper(err, "close_response_body_failed", http.StatusInternalServerError)
-		}
-		var whisperResponse WhisperResponse
-		err = json.Unmarshal(responseBody, &whisperResponse)
-		if err != nil {
-			return errorWrapper(err, "unmarshal_response_body_failed", http.StatusInternalServerError)
-		}
-		defer func(ctx context.Context) {
-			quota := countTokenText(whisperResponse.Text, audioModel)
-			quotaDelta := quota - preConsumedQuota
-			go postConsumeQuota(ctx, tokenId, quotaDelta, userId, channelId, modelRatio, groupRatio, audioModel, tokenName)
-		}(c.Request.Context())
-		resp.Body = io.NopCloser(bytes.NewBuffer(responseBody))
-	}
-	for k, v := range resp.Header {
-		c.Writer.Header().Set(k, v[0])
-	}
-	c.Writer.WriteHeader(resp.StatusCode)
-
-	_, err = io.Copy(c.Writer, resp.Body)
-	if err != nil {
-		return errorWrapper(err, "copy_response_body_failed", http.StatusInternalServerError)
-	}
-	err = resp.Body.Close()
-	if err != nil {
-		return errorWrapper(err, "close_response_body_failed", http.StatusInternalServerError)
-	}
-	return nil
-}

controller/relay-baidu.go

@@ -1,359 +0,0 @@
-package controller
-
-import (
-	"bufio"
-	"encoding/json"
-	"errors"
-	"fmt"
-	"github.com/gin-gonic/gin"
-	"io"
-	"net/http"
-	"one-api/common"
-	"strings"
-	"sync"
-	"time"
-)
-
-// https://cloud.baidu.com/doc/WENXINWORKSHOP/s/flfmc9do2
-
-type BaiduTokenResponse struct {
-	ExpiresIn   int    `json:"expires_in"`
-	AccessToken string `json:"access_token"`
-}
-
-type BaiduMessage struct {
-	Role    string `json:"role"`
-	Content string `json:"content"`
-}
-
-type BaiduChatRequest struct {
-	Messages []BaiduMessage `json:"messages"`
-	Stream   bool           `json:"stream"`
-	UserId   string         `json:"user_id,omitempty"`
-}
-
-type BaiduError struct {
-	ErrorCode int    `json:"error_code"`
-	ErrorMsg  string `json:"error_msg"`
-}
-
-type BaiduChatResponse struct {
-	Id               string `json:"id"`
-	Object           string `json:"object"`
-	Created          int64  `json:"created"`
-	Result           string `json:"result"`
-	IsTruncated      bool   `json:"is_truncated"`
-	NeedClearHistory bool   `json:"need_clear_history"`
-	Usage            Usage  `json:"usage"`
-	BaiduError
-}
-
-type BaiduChatStreamResponse struct {
-	BaiduChatResponse
-	SentenceId int  `json:"sentence_id"`
-	IsEnd      bool `json:"is_end"`
-}
-
-type BaiduEmbeddingRequest struct {
-	Input []string `json:"input"`
-}
-
-type BaiduEmbeddingData struct {
-	Object    string    `json:"object"`
-	Embedding []float64 `json:"embedding"`
-	Index     int       `json:"index"`
-}
-
-type BaiduEmbeddingResponse struct {
-	Id      string               `json:"id"`
-	Object  string               `json:"object"`
-	Created int64                `json:"created"`
-	Data    []BaiduEmbeddingData `json:"data"`
-	Usage   Usage                `json:"usage"`
-	BaiduError
-}
-
-type BaiduAccessToken struct {
-	AccessToken      string    `json:"access_token"`
-	Error            string    `json:"error,omitempty"`
-	ErrorDescription string    `json:"error_description,omitempty"`
-	ExpiresIn        int64     `json:"expires_in,omitempty"`
-	ExpiresAt        time.Time `json:"-"`
-}
-
-var baiduTokenStore sync.Map
-
-func requestOpenAI2Baidu(request GeneralOpenAIRequest) *BaiduChatRequest {
-	messages := make([]BaiduMessage, 0, len(request.Messages))
-	for _, message := range request.Messages {
-		if message.Role == "system" {
-			messages = append(messages, BaiduMessage{
-				Role:    "user",
-				Content: message.StringContent(),
-			})
-			messages = append(messages, BaiduMessage{
-				Role:    "assistant",
-				Content: "Okay",
-			})
-		} else {
-			messages = append(messages, BaiduMessage{
-				Role:    message.Role,
-				Content: message.StringContent(),
-			})
-		}
-	}
-	return &BaiduChatRequest{
-		Messages: messages,
-		Stream:   request.Stream,
-	}
-}
-
-func responseBaidu2OpenAI(response *BaiduChatResponse) *OpenAITextResponse {
-	choice := OpenAITextResponseChoice{
-		Index: 0,
-		Message: Message{
-			Role:    "assistant",
-			Content: response.Result,
-		},
-		FinishReason: "stop",
-	}
-	fullTextResponse := OpenAITextResponse{
-		Id:      response.Id,
-		Object:  "chat.completion",
-		Created: response.Created,
-		Choices: []OpenAITextResponseChoice{choice},
-		Usage:   response.Usage,
-	}
-	return &fullTextResponse
-}
-
-func streamResponseBaidu2OpenAI(baiduResponse *BaiduChatStreamResponse) *ChatCompletionsStreamResponse {
-	var choice ChatCompletionsStreamResponseChoice
-	choice.Delta.Content = baiduResponse.Result
-	if baiduResponse.IsEnd {
-		choice.FinishReason = &stopFinishReason
-	}
-	response := ChatCompletionsStreamResponse{
-		Id:      baiduResponse.Id,
-		Object:  "chat.completion.chunk",
-		Created: baiduResponse.Created,
-		Model:   "ernie-bot",
-		Choices: []ChatCompletionsStreamResponseChoice{choice},
-	}
-	return &response
-}
-
-func embeddingRequestOpenAI2Baidu(request GeneralOpenAIRequest) *BaiduEmbeddingRequest {
-	return &BaiduEmbeddingRequest{
-		Input: request.ParseInput(),
-	}
-}
-
-func embeddingResponseBaidu2OpenAI(response *BaiduEmbeddingResponse) *OpenAIEmbeddingResponse {
-	openAIEmbeddingResponse := OpenAIEmbeddingResponse{
-		Object: "list",
-		Data:   make([]OpenAIEmbeddingResponseItem, 0, len(response.Data)),
-		Model:  "baidu-embedding",
-		Usage:  response.Usage,
-	}
-	for _, item := range response.Data {
-		openAIEmbeddingResponse.Data = append(openAIEmbeddingResponse.Data, OpenAIEmbeddingResponseItem{
-			Object:    item.Object,
-			Index:     item.Index,
-			Embedding: item.Embedding,
-		})
-	}
-	return &openAIEmbeddingResponse
-}
-
-func baiduStreamHandler(c *gin.Context, resp *http.Response) (*OpenAIErrorWithStatusCode, *Usage) {
-	var usage Usage
-	scanner := bufio.NewScanner(resp.Body)
-	scanner.Split(func(data []byte, atEOF bool) (advance int, token []byte, err error) {
-		if atEOF && len(data) == 0 {
-			return 0, nil, nil
-		}
-		if i := strings.Index(string(data), "\n"); i >= 0 {
-			return i + 1, data[0:i], nil
-		}
-		if atEOF {
-			return len(data), data, nil
-		}
-		return 0, nil, nil
-	})
-	dataChan := make(chan string)
-	stopChan := make(chan bool)
-	go func() {
-		for scanner.Scan() {
-			data := scanner.Text()
-			if len(data) < 6 { // ignore blank line or wrong format
-				continue
-			}
-			data = data[6:]
-			dataChan <- data
-		}
-		stopChan <- true
-	}()
-	setEventStreamHeaders(c)
-	c.Stream(func(w io.Writer) bool {
-		select {
-		case data := <-dataChan:
-			var baiduResponse BaiduChatStreamResponse
-			err := json.Unmarshal([]byte(data), &baiduResponse)
-			if err != nil {
-				common.SysError("error unmarshalling stream response: " + err.Error())
-				return true
-			}
-			if baiduResponse.Usage.TotalTokens != 0 {
-				usage.TotalTokens = baiduResponse.Usage.TotalTokens
-				usage.PromptTokens = baiduResponse.Usage.PromptTokens
-				usage.CompletionTokens = baiduResponse.Usage.TotalTokens - baiduResponse.Usage.PromptTokens
-			}
-			response := streamResponseBaidu2OpenAI(&baiduResponse)
-			jsonResponse, err := json.Marshal(response)
-			if err != nil {
-				common.SysError("error marshalling stream response: " + err.Error())
-				return true
-			}
-			c.Render(-1, common.CustomEvent{Data: "data: " + string(jsonResponse)})
-			return true
-		case <-stopChan:
-			c.Render(-1, common.CustomEvent{Data: "data: [DONE]"})
-			return false
-		}
-	})
-	err := resp.Body.Close()
-	if err != nil {
-		return errorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), nil
-	}
-	return nil, &usage
-}
-
-func baiduHandler(c *gin.Context, resp *http.Response) (*OpenAIErrorWithStatusCode, *Usage) {
-	var baiduResponse BaiduChatResponse
-	responseBody, err := io.ReadAll(resp.Body)
-	if err != nil {
-		return errorWrapper(err, "read_response_body_failed", http.StatusInternalServerError), nil
-	}
-	err = resp.Body.Close()
-	if err != nil {
-		return errorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), nil
-	}
-	err = json.Unmarshal(responseBody, &baiduResponse)
-	if err != nil {
-		return errorWrapper(err, "unmarshal_response_body_failed", http.StatusInternalServerError), nil
-	}
-	if baiduResponse.ErrorMsg != "" {
-		return &OpenAIErrorWithStatusCode{
-			OpenAIError: OpenAIError{
-				Message: baiduResponse.ErrorMsg,
-				Type:    "baidu_error",
-				Param:   "",
-				Code:    baiduResponse.ErrorCode,
-			},
-			StatusCode: resp.StatusCode,
-		}, nil
-	}
-	fullTextResponse := responseBaidu2OpenAI(&baiduResponse)
-	jsonResponse, err := json.Marshal(fullTextResponse)
-	if err != nil {
-		return errorWrapper(err, "marshal_response_body_failed", http.StatusInternalServerError), nil
-	}
-	c.Writer.Header().Set("Content-Type", "application/json")
-	c.Writer.WriteHeader(resp.StatusCode)
-	_, err = c.Writer.Write(jsonResponse)
-	return nil, &fullTextResponse.Usage
-}
-
-func baiduEmbeddingHandler(c *gin.Context, resp *http.Response) (*OpenAIErrorWithStatusCode, *Usage) {
-	var baiduResponse BaiduEmbeddingResponse
-	responseBody, err := io.ReadAll(resp.Body)
-	if err != nil {
-		return errorWrapper(err, "read_response_body_failed", http.StatusInternalServerError), nil
-	}
-	err = resp.Body.Close()
-	if err != nil {
-		return errorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), nil
-	}
-	err = json.Unmarshal(responseBody, &baiduResponse)
-	if err != nil {
-		return errorWrapper(err, "unmarshal_response_body_failed", http.StatusInternalServerError), nil
-	}
-	if baiduResponse.ErrorMsg != "" {
-		return &OpenAIErrorWithStatusCode{
-			OpenAIError: OpenAIError{
-				Message: baiduResponse.ErrorMsg,
-				Type:    "baidu_error",
-				Param:   "",
-				Code:    baiduResponse.ErrorCode,
-			},
-			StatusCode: resp.StatusCode,
-		}, nil
-	}
-	fullTextResponse := embeddingResponseBaidu2OpenAI(&baiduResponse)
-	jsonResponse, err := json.Marshal(fullTextResponse)
-	if err != nil {
-		return errorWrapper(err, "marshal_response_body_failed", http.StatusInternalServerError), nil
-	}
-	c.Writer.Header().Set("Content-Type", "application/json")
-	c.Writer.WriteHeader(resp.StatusCode)
-	_, err = c.Writer.Write(jsonResponse)
-	return nil, &fullTextResponse.Usage
-}
-
-func getBaiduAccessToken(apiKey string) (string, error) {
-	if val, ok := baiduTokenStore.Load(apiKey); ok {
-		var accessToken BaiduAccessToken
-		if accessToken, ok = val.(BaiduAccessToken); ok {
-			// soon this will expire
-			if time.Now().Add(time.Hour).After(accessToken.ExpiresAt) {
-				go func() {
-					_, _ = getBaiduAccessTokenHelper(apiKey)
-				}()
-			}
-			return accessToken.AccessToken, nil
-		}
-	}
-	accessToken, err := getBaiduAccessTokenHelper(apiKey)
-	if err != nil {
-		return "", err
-	}
-	if accessToken == nil {
-		return "", errors.New("getBaiduAccessToken return a nil token")
-	}
-	return (*accessToken).AccessToken, nil
-}
-
-func getBaiduAccessTokenHelper(apiKey string) (*BaiduAccessToken, error) {
-	parts := strings.Split(apiKey, "|")
-	if len(parts) != 2 {
-		return nil, errors.New("invalid baidu apikey")
-	}
-	req, err := http.NewRequest("POST", fmt.Sprintf("https://aip.baidubce.com/oauth/2.0/token?grant_type=client_credentials&client_id=%s&client_secret=%s",
-		parts[0], parts[1]), nil)
-	if err != nil {
-		return nil, err
-	}
-	req.Header.Add("Content-Type", "application/json")
-	req.Header.Add("Accept", "application/json")
-	res, err := impatientHTTPClient.Do(req)
-	if err != nil {
-		return nil, err
-	}
-	defer res.Body.Close()
-
-	var accessToken BaiduAccessToken
-	err = json.NewDecoder(res.Body).Decode(&accessToken)
-	if err != nil {
-		return nil, err
-	}
-	if accessToken.Error != "" {
-		return nil, errors.New(accessToken.Error + ": " + accessToken.ErrorDescription)
-	}
-	if accessToken.AccessToken == "" {
-		return nil, errors.New("getBaiduAccessTokenHelper get empty access token")
-	}
-	accessToken.ExpiresAt = time.Now().Add(time.Duration(accessToken.ExpiresIn) * time.Second)
-	baiduTokenStore.Store(apiKey, accessToken)
-	return &accessToken, nil
-}

controller/relay-chat.go

@@ -0,0 +1,127 @@
+package controller
+
+import (
+	"context"
+	"errors"
+	"net/http"
+	"one-api/common"
+	"one-api/model"
+	"one-api/providers"
+	"one-api/types"
+
+	"github.com/gin-gonic/gin"
+)
+
+func relayChatHelper(c *gin.Context) *types.OpenAIErrorWithStatusCode {
+
+	// 获取请求参数
+	channelType := c.GetInt("channel")
+	channelId := c.GetInt("channel_id")
+	tokenId := c.GetInt("token_id")
+	userId := c.GetInt("id")
+	// consumeQuota := c.GetBool("consume_quota")
+	group := c.GetString("group")
+
+	// 获取 Provider
+	chatProvider := GetChatProvider(channelType, c)
+	if chatProvider == nil {
+		return types.ErrorWrapper(errors.New("API not implemented"), "api_not_implemented", http.StatusNotImplemented)
+	}
+
+	// 获取请求体
+	var chatRequest types.ChatCompletionRequest
+	err := common.UnmarshalBodyReusable(c, &chatRequest)
+	if err != nil {
+		return types.ErrorWrapper(err, "bind_request_body_failed", http.StatusBadRequest)
+	}
+
+	// 检查模型映射
+	isModelMapped := false
+	modelMap, err := parseModelMapping(c.GetString("model_mapping"))
+	if err != nil {
+		return types.ErrorWrapper(err, "unmarshal_model_mapping_failed", http.StatusInternalServerError)
+	}
+	if modelMap != nil && modelMap[chatRequest.Model] != "" {
+		chatRequest.Model = modelMap[chatRequest.Model]
+		isModelMapped = true
+	}
+
+	// 开始计算Tokens
+	var promptTokens int
+	promptTokens = common.CountTokenMessages(chatRequest.Messages, chatRequest.Model)
+
+	// 计算预付费配额
+	quotaInfo := &QuotaInfo{
+		modelName:    chatRequest.Model,
+		promptTokens: promptTokens,
+		userId:       userId,
+		channelId:    channelId,
+		tokenId:      tokenId,
+	}
+	quotaInfo.initQuotaInfo(group)
+	quota_err := quotaInfo.preQuotaConsumption()
+	if quota_err != nil {
+		return quota_err
+	}
+
+	usage, openAIErrorWithStatusCode := chatProvider.ChatCompleteResponse(&chatRequest, isModelMapped, promptTokens)
+
+	if openAIErrorWithStatusCode != nil {
+		if quotaInfo.preConsumedQuota != 0 {
+			go func(ctx context.Context) {
+				// return pre-consumed quota
+				err := model.PostConsumeTokenQuota(tokenId, -quotaInfo.preConsumedQuota)
+				if err != nil {
+					common.LogError(ctx, "error return pre-consumed quota: "+err.Error())
+				}
+			}(c.Request.Context())
+		}
+		return openAIErrorWithStatusCode
+	}
+
+	tokenName := c.GetString("token_name")
+	defer func(ctx context.Context) {
+		go func() {
+			err = quotaInfo.completedQuotaConsumption(usage, tokenName, ctx)
+			if err != nil {
+				common.LogError(ctx, err.Error())
+			}
+		}()
+	}(c.Request.Context())
+
+	return nil
+}
+
+func GetChatProvider(channelType int, c *gin.Context) providers.ChatProviderAction {
+	switch channelType {
+	case common.ChannelTypeOpenAI:
+		return providers.CreateOpenAIProvider(c, "")
+	case common.ChannelTypeAzure:
+		return providers.CreateAzureProvider(c)
+	case common.ChannelTypeAli:
+		return providers.CreateAliAIProvider(c)
+	case common.ChannelTypeTencent:
+		return providers.CreateTencentProvider(c)
+	case common.ChannelTypeBaidu:
+		return providers.CreateBaiduProvider(c)
+	case common.ChannelTypeAnthropic:
+		return providers.CreateClaudeProvider(c)
+	case common.ChannelTypePaLM:
+		return providers.CreatePalmProvider(c)
+	case common.ChannelTypeZhipu:
+		return providers.CreateZhipuProvider(c)
+	case common.ChannelTypeXunfei:
+		return providers.CreateXunfeiProvider(c)
+	}
+
+	baseURL := common.ChannelBaseURLs[channelType]
+	if c.GetString("base_url") != "" {
+		baseURL = c.GetString("base_url")
+	}
+
+	if baseURL != "" {
+		return providers.CreateOpenAIProvider(c, baseURL)
+	}
+
+	return nil
+}

controller/relay-claude.go

@@ -1,220 +0,0 @@
-package controller
-
-import (
-	"bufio"
-	"encoding/json"
-	"fmt"
-	"github.com/gin-gonic/gin"
-	"io"
-	"net/http"
-	"one-api/common"
-	"strings"
-)
-
-type ClaudeMetadata struct {
-	UserId string `json:"user_id"`
-}
-
-type ClaudeRequest struct {
-	Model             string   `json:"model"`
-	Prompt            string   `json:"prompt"`
-	MaxTokensToSample int      `json:"max_tokens_to_sample"`
-	StopSequences     []string `json:"stop_sequences,omitempty"`
-	Temperature       float64  `json:"temperature,omitempty"`
-	TopP              float64  `json:"top_p,omitempty"`
-	TopK              int      `json:"top_k,omitempty"`
-	//ClaudeMetadata    `json:"metadata,omitempty"`
-	Stream bool `json:"stream,omitempty"`
-}
-
-type ClaudeError struct {
-	Type    string `json:"type"`
-	Message string `json:"message"`
-}
-
-type ClaudeResponse struct {
-	Completion string      `json:"completion"`
-	StopReason string      `json:"stop_reason"`
-	Model      string      `json:"model"`
-	Error      ClaudeError `json:"error"`
-}
-
-func stopReasonClaude2OpenAI(reason string) string {
-	switch reason {
-	case "stop_sequence":
-		return "stop"
-	case "max_tokens":
-		return "length"
-	default:
-		return reason
-	}
-}
-
-func requestOpenAI2Claude(textRequest GeneralOpenAIRequest) *ClaudeRequest {
-	claudeRequest := ClaudeRequest{
-		Model:             textRequest.Model,
-		Prompt:            "",
-		MaxTokensToSample: textRequest.MaxTokens,
-		StopSequences:     nil,
-		Temperature:       textRequest.Temperature,
-		TopP:              textRequest.TopP,
-		Stream:            textRequest.Stream,
-	}
-	if claudeRequest.MaxTokensToSample == 0 {
-		claudeRequest.MaxTokensToSample = 1000000
-	}
-	prompt := ""
-	for _, message := range textRequest.Messages {
-		if message.Role == "user" {
-			prompt += fmt.Sprintf("\n\nHuman: %s", message.Content)
-		} else if message.Role == "assistant" {
-			prompt += fmt.Sprintf("\n\nAssistant: %s", message.Content)
-		} else if message.Role == "system" {
-			prompt += fmt.Sprintf("\n\nSystem: %s", message.Content)
-		}
-	}
-	prompt += "\n\nAssistant:"
-	claudeRequest.Prompt = prompt
-	return &claudeRequest
-}
-
-func streamResponseClaude2OpenAI(claudeResponse *ClaudeResponse) *ChatCompletionsStreamResponse {
-	var choice ChatCompletionsStreamResponseChoice
-	choice.Delta.Content = claudeResponse.Completion
-	finishReason := stopReasonClaude2OpenAI(claudeResponse.StopReason)
-	if finishReason != "null" {
-		choice.FinishReason = &finishReason
-	}
-	var response ChatCompletionsStreamResponse
-	response.Object = "chat.completion.chunk"
-	response.Model = claudeResponse.Model
-	response.Choices = []ChatCompletionsStreamResponseChoice{choice}
-	return &response
-}
-
-func responseClaude2OpenAI(claudeResponse *ClaudeResponse) *OpenAITextResponse {
-	choice := OpenAITextResponseChoice{
-		Index: 0,
-		Message: Message{
-			Role:    "assistant",
-			Content: strings.TrimPrefix(claudeResponse.Completion, " "),
-			Name:    nil,
-		},
-		FinishReason: stopReasonClaude2OpenAI(claudeResponse.StopReason),
-	}
-	fullTextResponse := OpenAITextResponse{
-		Id:      fmt.Sprintf("chatcmpl-%s", common.GetUUID()),
-		Object:  "chat.completion",
-		Created: common.GetTimestamp(),
-		Choices: []OpenAITextResponseChoice{choice},
-	}
-	return &fullTextResponse
-}
-
-func claudeStreamHandler(c *gin.Context, resp *http.Response) (*OpenAIErrorWithStatusCode, string) {
-	responseText := ""
-	responseId := fmt.Sprintf("chatcmpl-%s", common.GetUUID())
-	createdTime := common.GetTimestamp()
-	scanner := bufio.NewScanner(resp.Body)
-	scanner.Split(func(data []byte, atEOF bool) (advance int, token []byte, err error) {
-		if atEOF && len(data) == 0 {
-			return 0, nil, nil
-		}
-		if i := strings.Index(string(data), "\r\n\r\n"); i >= 0 {
-			return i + 4, data[0:i], nil
-		}
-		if atEOF {
-			return len(data), data, nil
-		}
-		return 0, nil, nil
-	})
-	dataChan := make(chan string)
-	stopChan := make(chan bool)
-	go func() {
-		for scanner.Scan() {
-			data := scanner.Text()
-			if !strings.HasPrefix(data, "event: completion") {
-				continue
-			}
-			data = strings.TrimPrefix(data, "event: completion\r\ndata: ")
-			dataChan <- data
-		}
-		stopChan <- true
-	}()
-	setEventStreamHeaders(c)
-	c.Stream(func(w io.Writer) bool {
-		select {
-		case data := <-dataChan:
-			// some implementations may add \r at the end of data
-			data = strings.TrimSuffix(data, "\r")
-			var claudeResponse ClaudeResponse
-			err := json.Unmarshal([]byte(data), &claudeResponse)
-			if err != nil {
-				common.SysError("error unmarshalling stream response: " + err.Error())
-				return true
-			}
-			responseText += claudeResponse.Completion
-			response := streamResponseClaude2OpenAI(&claudeResponse)
-			response.Id = responseId
-			response.Created = createdTime
-			jsonStr, err := json.Marshal(response)
-			if err != nil {
-				common.SysError("error marshalling stream response: " + err.Error())
-				return true
-			}
-			c.Render(-1, common.CustomEvent{Data: "data: " + string(jsonStr)})
-			return true
-		case <-stopChan:
-			c.Render(-1, common.CustomEvent{Data: "data: [DONE]"})
-			return false
-		}
-	})
-	err := resp.Body.Close()
-	if err != nil {
-		return errorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), ""
-	}
-	return nil, responseText
-}
-
-func claudeHandler(c *gin.Context, resp *http.Response, promptTokens int, model string) (*OpenAIErrorWithStatusCode, *Usage) {
-	responseBody, err := io.ReadAll(resp.Body)
-	if err != nil {
-		return errorWrapper(err, "read_response_body_failed", http.StatusInternalServerError), nil
-	}
-	err = resp.Body.Close()
-	if err != nil {
-		return errorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), nil
-	}
-	var claudeResponse ClaudeResponse
-	err = json.Unmarshal(responseBody, &claudeResponse)
-	if err != nil {
-		return errorWrapper(err, "unmarshal_response_body_failed", http.StatusInternalServerError), nil
-	}
-	if claudeResponse.Error.Type != "" {
-		return &OpenAIErrorWithStatusCode{
-			OpenAIError: OpenAIError{
-				Message: claudeResponse.Error.Message,
-				Type:    claudeResponse.Error.Type,
-				Param:   "",
-				Code:    claudeResponse.Error.Type,
-			},
-			StatusCode: resp.StatusCode,
-		}, nil
-	}
-	fullTextResponse := responseClaude2OpenAI(&claudeResponse)
-	completionTokens := countTokenText(claudeResponse.Completion, model)
-	usage := Usage{
-		PromptTokens:     promptTokens,
-		CompletionTokens: completionTokens,
-		TotalTokens:      promptTokens + completionTokens,
-	}
-	fullTextResponse.Usage = usage
-	jsonResponse, err := json.Marshal(fullTextResponse)
-	if err != nil {
-		return errorWrapper(err, "marshal_response_body_failed", http.StatusInternalServerError), nil
-	}
-	c.Writer.Header().Set("Content-Type", "application/json")
-	c.Writer.WriteHeader(resp.StatusCode)
-	_, err = c.Writer.Write(jsonResponse)
-	return nil, &usage
-}

controller/relay-completion.go

@@ -0,0 +1,113 @@
+package controller
+
+import (
+	"context"
+	"errors"
+	"net/http"
+	"one-api/common"
+	"one-api/model"
+	"one-api/providers"
+	"one-api/types"
+
+	"github.com/gin-gonic/gin"
+)
+
+func relayCompletionHelper(c *gin.Context) *types.OpenAIErrorWithStatusCode {
+
+	// 获取请求参数
+	channelType := c.GetInt("channel")
+	channelId := c.GetInt("channel_id")
+	tokenId := c.GetInt("token_id")
+	userId := c.GetInt("id")
+	// consumeQuota := c.GetBool("consume_quota")
+	group := c.GetString("group")
+
+	// 获取 Provider
+	completionProvider := GetCompletionProvider(channelType, c)
+	if completionProvider == nil {
+		return types.ErrorWrapper(errors.New("API not implemented"), "api_not_implemented", http.StatusNotImplemented)
+	}
+
+	// 获取请求体
+	var completionRequest types.CompletionRequest
+	err := common.UnmarshalBodyReusable(c, &completionRequest)
+	if err != nil {
+		return types.ErrorWrapper(err, "bind_request_body_failed", http.StatusBadRequest)
+	}
+
+	// 检查模型映射
+	isModelMapped := false
+	modelMap, err := parseModelMapping(c.GetString("model_mapping"))
+	if err != nil {
+		return types.ErrorWrapper(err, "unmarshal_model_mapping_failed", http.StatusInternalServerError)
+	}
+	if modelMap != nil && modelMap[completionRequest.Model] != "" {
+		completionRequest.Model = modelMap[completionRequest.Model]
+		isModelMapped = true
+	}
+
+	// 开始计算Tokens
+	var promptTokens int
+	promptTokens = common.CountTokenInput(completionRequest.Prompt, completionRequest.Model)
+
+	// 计算预付费配额
+	quotaInfo := &QuotaInfo{
+		modelName:    completionRequest.Model,
+		promptTokens: promptTokens,
+		userId:       userId,
+		channelId:    channelId,
+		tokenId:      tokenId,
+	}
+	quotaInfo.initQuotaInfo(group)
+	quota_err := quotaInfo.preQuotaConsumption()
+	if quota_err != nil {
+		return quota_err
+	}
+
+	usage, openAIErrorWithStatusCode := completionProvider.CompleteResponse(&completionRequest, isModelMapped, promptTokens)
+
+	if openAIErrorWithStatusCode != nil {
+		if quotaInfo.preConsumedQuota != 0 {
+			go func(ctx context.Context) {
+				// return pre-consumed quota
+				err := model.PostConsumeTokenQuota(tokenId, -quotaInfo.preConsumedQuota)
+				if err != nil {
+					common.LogError(ctx, "error return pre-consumed quota: "+err.Error())
+				}
+			}(c.Request.Context())
+		}
+		return openAIErrorWithStatusCode
+	}
+
+	tokenName := c.GetString("token_name")
+	defer func(ctx context.Context) {
+		go func() {
+			err = quotaInfo.completedQuotaConsumption(usage, tokenName, ctx)
+			if err != nil {
+				common.LogError(ctx, err.Error())
+			}
+		}()
+	}(c.Request.Context())
+
+	return nil
+}
+
+func GetCompletionProvider(channelType int, c *gin.Context) providers.CompletionProviderAction {
+	switch channelType {
+	case common.ChannelTypeOpenAI:
+		return providers.CreateOpenAIProvider(c, "")
+	case common.ChannelTypeAzure:
+		return providers.CreateAzureProvider(c)
+	}
+
+	baseURL := common.ChannelBaseURLs[channelType]
+	if c.GetString("base_url") != "" {
+		baseURL = c.GetString("base_url")
+	}
+
+	if baseURL != "" {
+		return providers.CreateOpenAIProvider(c, baseURL)
+	}
+
+	return nil
+}

controller/relay-embeddings.go

@@ -0,0 +1,117 @@
+package controller
+
+import (
+	"context"
+	"errors"
+	"net/http"
+	"one-api/common"
+	"one-api/model"
+	"one-api/providers"
+	"one-api/types"
+
+	"github.com/gin-gonic/gin"
+)
+
+func relayEmbeddingsHelper(c *gin.Context) *types.OpenAIErrorWithStatusCode {
+
+	// 获取请求参数
+	channelType := c.GetInt("channel")
+	channelId := c.GetInt("channel_id")
+	tokenId := c.GetInt("token_id")
+	userId := c.GetInt("id")
+	// consumeQuota := c.GetBool("consume_quota")
+	group := c.GetString("group")
+
+	// 获取 Provider
+	embeddingsProvider := GetEmbeddingsProvider(channelType, c)
+	if embeddingsProvider == nil {
+		return types.ErrorWrapper(errors.New("API not implemented"), "api_not_implemented", http.StatusNotImplemented)
+	}
+
+	// 获取请求体
+	var embeddingsRequest types.EmbeddingRequest
+	err := common.UnmarshalBodyReusable(c, &embeddingsRequest)
+	if err != nil {
+		return types.ErrorWrapper(err, "bind_request_body_failed", http.StatusBadRequest)
+	}
+
+	// 检查模型映射
+	isModelMapped := false
+	modelMap, err := parseModelMapping(c.GetString("model_mapping"))
+	if err != nil {
+		return types.ErrorWrapper(err, "unmarshal_model_mapping_failed", http.StatusInternalServerError)
+	}
+	if modelMap != nil && modelMap[embeddingsRequest.Model] != "" {
+		embeddingsRequest.Model = modelMap[embeddingsRequest.Model]
+		isModelMapped = true
+	}
+
+	// 开始计算Tokens
+	var promptTokens int
+	promptTokens = common.CountTokenInput(embeddingsRequest.Input, embeddingsRequest.Model)
+
+	// 计算预付费配额
+	quotaInfo := &QuotaInfo{
+		modelName:    embeddingsRequest.Model,
+		promptTokens: promptTokens,
+		userId:       userId,
+		channelId:    channelId,
+		tokenId:      tokenId,
+	}
+	quotaInfo.initQuotaInfo(group)
+	quota_err := quotaInfo.preQuotaConsumption()
+	if quota_err != nil {
+		return quota_err
+	}
+
+	usage, openAIErrorWithStatusCode := embeddingsProvider.EmbeddingsResponse(&embeddingsRequest, isModelMapped, promptTokens)
+
+	if openAIErrorWithStatusCode != nil {
+		if quotaInfo.preConsumedQuota != 0 {
+			go func(ctx context.Context) {
+				// return pre-consumed quota
+				err := model.PostConsumeTokenQuota(tokenId, -quotaInfo.preConsumedQuota)
+				if err != nil {
+					common.LogError(ctx, "error return pre-consumed quota: "+err.Error())
+				}
+			}(c.Request.Context())
+		}
+		return openAIErrorWithStatusCode
+	}
+
+	tokenName := c.GetString("token_name")
+	defer func(ctx context.Context) {
+		go func() {
+			err = quotaInfo.completedQuotaConsumption(usage, tokenName, ctx)
+			if err != nil {
+				common.LogError(ctx, err.Error())
+			}
+		}()
+	}(c.Request.Context())
+
+	return nil
+}
+
+func GetEmbeddingsProvider(channelType int, c *gin.Context) providers.EmbeddingsProviderAction {
+	switch channelType {
+	case common.ChannelTypeOpenAI:
+		return providers.CreateOpenAIProvider(c, "")
+	case common.ChannelTypeAzure:
+		return providers.CreateAzureProvider(c)
+	case common.ChannelTypeAli:
+		return providers.CreateAliAIProvider(c)
+	case common.ChannelTypeBaidu:
+		return providers.CreateBaiduProvider(c)
+	}
+
+	baseURL := common.ChannelBaseURLs[channelType]
+	if c.GetString("base_url") != "" {
+		baseURL = c.GetString("base_url")
+	}
+
+	if baseURL != "" {
+		return providers.CreateOpenAIProvider(c, baseURL)
+	}
+
+	return nil
+}

controller/relay-image.go

@@ -1,206 +0,0 @@
-package controller
-
-import (
-	"bytes"
-	"context"
-	"encoding/json"
-	"errors"
-	"fmt"
-	"io"
-	"net/http"
-	"one-api/common"
-	"one-api/model"
-
-	"github.com/gin-gonic/gin"
-)
-
-func isWithinRange(element string, value int) bool {
-	if _, ok := common.DalleGenerationImageAmounts[element]; !ok {
-		return false
-	}
-
-	min := common.DalleGenerationImageAmounts[element][0]
-	max := common.DalleGenerationImageAmounts[element][1]
-
-	return value >= min && value <= max
-}
-
-func relayImageHelper(c *gin.Context, relayMode int) *OpenAIErrorWithStatusCode {
-	imageModel := "dall-e-2"
-	imageSize := "1024x1024"
-
-	tokenId := c.GetInt("token_id")
-	channelType := c.GetInt("channel")
-	channelId := c.GetInt("channel_id")
-	userId := c.GetInt("id")
-	consumeQuota := c.GetBool("consume_quota")
-	group := c.GetString("group")
-
-	var imageRequest ImageRequest
-	if consumeQuota {
-		err := common.UnmarshalBodyReusable(c, &imageRequest)
-		if err != nil {
-			return errorWrapper(err, "bind_request_body_failed", http.StatusBadRequest)
-		}
-	}
-
-	// Size validation
-	if imageRequest.Size != "" {
-		imageSize = imageRequest.Size
-	}
-
-	// Model validation
-	if imageRequest.Model != "" {
-		imageModel = imageRequest.Model
-	}
-
-	imageCostRatio, hasValidSize := common.DalleSizeRatios[imageModel][imageSize]
-
-	// Check if model is supported
-	if hasValidSize {
-		if imageRequest.Quality == "hd" && imageModel == "dall-e-3" {
-			if imageSize == "1024x1024" {
-				imageCostRatio *= 2
-			} else {
-				imageCostRatio *= 1.5
-			}
-		}
-	} else {
-		return errorWrapper(errors.New("size not supported for this image model"), "size_not_supported", http.StatusBadRequest)
-	}
-
-	// Prompt validation
-	if imageRequest.Prompt == "" {
-		return errorWrapper(errors.New("prompt is required"), "prompt_missing", http.StatusBadRequest)
-	}
-
-	// Check prompt length
-	if len(imageRequest.Prompt) > common.DalleImagePromptLengthLimitations[imageModel] {
-		return errorWrapper(errors.New("prompt is too long"), "prompt_too_long", http.StatusBadRequest)
-	}
-
-	// Number of generated images validation
-	if isWithinRange(imageModel, imageRequest.N) == false {
-		return errorWrapper(errors.New("invalid value of n"), "n_not_within_range", http.StatusBadRequest)
-	}
-
-	// map model name
-	modelMapping := c.GetString("model_mapping")
-	isModelMapped := false
-	if modelMapping != "" {
-		modelMap := make(map[string]string)
-		err := json.Unmarshal([]byte(modelMapping), &modelMap)
-		if err != nil {
-			return errorWrapper(err, "unmarshal_model_mapping_failed", http.StatusInternalServerError)
-		}
-		if modelMap[imageModel] != "" {
-			imageModel = modelMap[imageModel]
-			isModelMapped = true
-		}
-	}
-	baseURL := common.ChannelBaseURLs[channelType]
-	requestURL := c.Request.URL.String()
-	if c.GetString("base_url") != "" {
-		baseURL = c.GetString("base_url")
-	}
-	fullRequestURL := getFullRequestURL(baseURL, requestURL, channelType)
-	var requestBody io.Reader
-	if isModelMapped {
-		jsonStr, err := json.Marshal(imageRequest)
-		if err != nil {
-			return errorWrapper(err, "marshal_text_request_failed", http.StatusInternalServerError)
-		}
-		requestBody = bytes.NewBuffer(jsonStr)
-	} else {
-		requestBody = c.Request.Body
-	}
-
-	modelRatio := common.GetModelRatio(imageModel)
-	groupRatio := common.GetGroupRatio(group)
-	ratio := modelRatio * groupRatio
-	userQuota, err := model.CacheGetUserQuota(userId)
-
-	quota := int(ratio*imageCostRatio*1000) * imageRequest.N
-
-	if consumeQuota && userQuota-quota < 0 {
-		return errorWrapper(errors.New("user quota is not enough"), "insufficient_user_quota", http.StatusForbidden)
-	}
-
-	req, err := http.NewRequest(c.Request.Method, fullRequestURL, requestBody)
-	if err != nil {
-		return errorWrapper(err, "new_request_failed", http.StatusInternalServerError)
-	}
-	req.Header.Set("Authorization", c.Request.Header.Get("Authorization"))
-
-	req.Header.Set("Content-Type", c.Request.Header.Get("Content-Type"))
-	req.Header.Set("Accept", c.Request.Header.Get("Accept"))
-
-	resp, err := httpClient.Do(req)
-	if err != nil {
-		return errorWrapper(err, "do_request_failed", http.StatusInternalServerError)
-	}
-
-	err = req.Body.Close()
-	if err != nil {
-		return errorWrapper(err, "close_request_body_failed", http.StatusInternalServerError)
-	}
-	err = c.Request.Body.Close()
-	if err != nil {
-		return errorWrapper(err, "close_request_body_failed", http.StatusInternalServerError)
-	}
-	var textResponse ImageResponse
-
-	defer func(ctx context.Context) {
-		if consumeQuota {
-			err := model.PostConsumeTokenQuota(tokenId, quota)
-			if err != nil {
-				common.SysError("error consuming token remain quota: " + err.Error())
-			}
-			err = model.CacheUpdateUserQuota(userId)
-			if err != nil {
-				common.SysError("error update user quota cache: " + err.Error())
-			}
-			if quota != 0 {
-				tokenName := c.GetString("token_name")
-				logContent := fmt.Sprintf("模型倍率 %.2f，分组倍率 %.2f", modelRatio, groupRatio)
-				model.RecordConsumeLog(ctx, userId, channelId, 0, 0, imageModel, tokenName, quota, logContent)
-				model.UpdateUserUsedQuotaAndRequestCount(userId, quota)
-				channelId := c.GetInt("channel_id")
-				model.UpdateChannelUsedQuota(channelId, quota)
-			}
-		}
-	}(c.Request.Context())
-
-	if consumeQuota {
-		responseBody, err := io.ReadAll(resp.Body)
-
-		if err != nil {
-			return errorWrapper(err, "read_response_body_failed", http.StatusInternalServerError)
-		}
-		err = resp.Body.Close()
-		if err != nil {
-			return errorWrapper(err, "close_response_body_failed", http.StatusInternalServerError)
-		}
-		err = json.Unmarshal(responseBody, &textResponse)
-		if err != nil {
-			return errorWrapper(err, "unmarshal_response_body_failed", http.StatusInternalServerError)
-		}
-
-		resp.Body = io.NopCloser(bytes.NewBuffer(responseBody))
-	}
-
-	for k, v := range resp.Header {
-		c.Writer.Header().Set(k, v[0])
-	}
-	c.Writer.WriteHeader(resp.StatusCode)
-
-	_, err = io.Copy(c.Writer, resp.Body)
-	if err != nil {
-		return errorWrapper(err, "copy_response_body_failed", http.StatusInternalServerError)
-	}
-	err = resp.Body.Close()
-	if err != nil {
-		return errorWrapper(err, "close_response_body_failed", http.StatusInternalServerError)
-	}
-	return nil
-}

controller/relay-openai.go

@@ -1,144 +0,0 @@
-package controller
-
-import (
-	"bufio"
-	"bytes"
-	"encoding/json"
-	"github.com/gin-gonic/gin"
-	"io"
-	"net/http"
-	"one-api/common"
-	"strings"
-)
-
-func openaiStreamHandler(c *gin.Context, resp *http.Response, relayMode int) (*OpenAIErrorWithStatusCode, string) {
-	responseText := ""
-	scanner := bufio.NewScanner(resp.Body)
-	scanner.Split(func(data []byte, atEOF bool) (advance int, token []byte, err error) {
-		if atEOF && len(data) == 0 {
-			return 0, nil, nil
-		}
-		if i := strings.Index(string(data), "\n"); i >= 0 {
-			return i + 1, data[0:i], nil
-		}
-		if atEOF {
-			return len(data), data, nil
-		}
-		return 0, nil, nil
-	})
-	dataChan := make(chan string)
-	stopChan := make(chan bool)
-	go func() {
-		for scanner.Scan() {
-			data := scanner.Text()
-			if len(data) < 6 { // ignore blank line or wrong format
-				continue
-			}
-			if data[:6] != "data: " && data[:6] != "[DONE]" {
-				continue
-			}
-			dataChan <- data
-			data = data[6:]
-			if !strings.HasPrefix(data, "[DONE]") {
-				switch relayMode {
-				case RelayModeChatCompletions:
-					var streamResponse ChatCompletionsStreamResponse
-					err := json.Unmarshal([]byte(data), &streamResponse)
-					if err != nil {
-						common.SysError("error unmarshalling stream response: " + err.Error())
-						continue // just ignore the error
-					}
-					for _, choice := range streamResponse.Choices {
-						responseText += choice.Delta.Content
-					}
-				case RelayModeCompletions:
-					var streamResponse CompletionsStreamResponse
-					err := json.Unmarshal([]byte(data), &streamResponse)
-					if err != nil {
-						common.SysError("error unmarshalling stream response: " + err.Error())
-						continue
-					}
-					for _, choice := range streamResponse.Choices {
-						responseText += choice.Text
-					}
-				}
-			}
-		}
-		stopChan <- true
-	}()
-	setEventStreamHeaders(c)
-	c.Stream(func(w io.Writer) bool {
-		select {
-		case data := <-dataChan:
-			if strings.HasPrefix(data, "data: [DONE]") {
-				data = data[:12]
-			}
-			// some implementations may add \r at the end of data
-			data = strings.TrimSuffix(data, "\r")
-			c.Render(-1, common.CustomEvent{Data: data})
-			return true
-		case <-stopChan:
-			return false
-		}
-	})
-	err := resp.Body.Close()
-	if err != nil {
-		return errorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), ""
-	}
-	return nil, responseText
-}
-
-func openaiHandler(c *gin.Context, resp *http.Response, consumeQuota bool, promptTokens int, model string) (*OpenAIErrorWithStatusCode, *Usage) {
-	var textResponse TextResponse
-	if consumeQuota {
-		responseBody, err := io.ReadAll(resp.Body)
-		if err != nil {
-			return errorWrapper(err, "read_response_body_failed", http.StatusInternalServerError), nil
-		}
-		err = resp.Body.Close()
-		if err != nil {
-			return errorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), nil
-		}
-		err = json.Unmarshal(responseBody, &textResponse)
-		if err != nil {
-			return errorWrapper(err, "unmarshal_response_body_failed", http.StatusInternalServerError), nil
-		}
-		if textResponse.Error.Type != "" {
-			return &OpenAIErrorWithStatusCode{
-				OpenAIError: textResponse.Error,
-				StatusCode:  resp.StatusCode,
-			}, nil
-		}
-		// Reset response body
-		resp.Body = io.NopCloser(bytes.NewBuffer(responseBody))
-	}
-	// We shouldn't set the header before we parse the response body, because the parse part may fail.
-	// And then we will have to send an error response, but in this case, the header has already been set.
-	// So the httpClient will be confused by the response.
-	// For example, Postman will report error, and we cannot check the response at all.
-	for k, v := range resp.Header {
-		c.Writer.Header().Set(k, v[0])
-	}
-	c.Writer.WriteHeader(resp.StatusCode)
-	_, err := io.Copy(c.Writer, resp.Body)
-	if err != nil {
-		return errorWrapper(err, "copy_response_body_failed", http.StatusInternalServerError), nil
-	}
-	err = resp.Body.Close()
-	if err != nil {
-		return errorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), nil
-	}
-
-	if textResponse.Usage.TotalTokens == 0 {
-		completionTokens := 0
-		for _, choice := range textResponse.Choices {
-			completionTokens += countTokenText(choice.Message.StringContent(), model)
-		}
-		textResponse.Usage = Usage{
-			PromptTokens:     promptTokens,
-			CompletionTokens: completionTokens,
-			TotalTokens:      promptTokens + completionTokens,
-		}
-	}
-	return nil, &textResponse.Usage
-}

controller/relay-palm.go

@@ -1,205 +0,0 @@
-package controller
-
-import (
-	"encoding/json"
-	"fmt"
-	"github.com/gin-gonic/gin"
-	"io"
-	"net/http"
-	"one-api/common"
-)
-
-// https://developers.generativeai.google/api/rest/generativelanguage/models/generateMessage#request-body
-// https://developers.generativeai.google/api/rest/generativelanguage/models/generateMessage#response-body
-
-type PaLMChatMessage struct {
-	Author  string `json:"author"`
-	Content string `json:"content"`
-}
-
-type PaLMFilter struct {
-	Reason  string `json:"reason"`
-	Message string `json:"message"`
-}
-
-type PaLMPrompt struct {
-	Messages []PaLMChatMessage `json:"messages"`
-}
-
-type PaLMChatRequest struct {
-	Prompt         PaLMPrompt `json:"prompt"`
-	Temperature    float64    `json:"temperature,omitempty"`
-	CandidateCount int        `json:"candidateCount,omitempty"`
-	TopP           float64    `json:"topP,omitempty"`
-	TopK           int        `json:"topK,omitempty"`
-}
-
-type PaLMError struct {
-	Code    int    `json:"code"`
-	Message string `json:"message"`
-	Status  string `json:"status"`
-}
-
-type PaLMChatResponse struct {
-	Candidates []PaLMChatMessage `json:"candidates"`
-	Messages   []Message         `json:"messages"`
-	Filters    []PaLMFilter      `json:"filters"`
-	Error      PaLMError         `json:"error"`
-}
-
-func requestOpenAI2PaLM(textRequest GeneralOpenAIRequest) *PaLMChatRequest {
-	palmRequest := PaLMChatRequest{
-		Prompt: PaLMPrompt{
-			Messages: make([]PaLMChatMessage, 0, len(textRequest.Messages)),
-		},
-		Temperature:    textRequest.Temperature,
-		CandidateCount: textRequest.N,
-		TopP:           textRequest.TopP,
-		TopK:           textRequest.MaxTokens,
-	}
-	for _, message := range textRequest.Messages {
-		palmMessage := PaLMChatMessage{
-			Content: message.StringContent(),
-		}
-		if message.Role == "user" {
-			palmMessage.Author = "0"
-		} else {
-			palmMessage.Author = "1"
-		}
-		palmRequest.Prompt.Messages = append(palmRequest.Prompt.Messages, palmMessage)
-	}
-	return &palmRequest
-}
-
-func responsePaLM2OpenAI(response *PaLMChatResponse) *OpenAITextResponse {
-	fullTextResponse := OpenAITextResponse{
-		Choices: make([]OpenAITextResponseChoice, 0, len(response.Candidates)),
-	}
-	for i, candidate := range response.Candidates {
-		choice := OpenAITextResponseChoice{
-			Index: i,
-			Message: Message{
-				Role:    "assistant",
-				Content: candidate.Content,
-			},
-			FinishReason: "stop",
-		}
-		fullTextResponse.Choices = append(fullTextResponse.Choices, choice)
-	}
-	return &fullTextResponse
-}
-
-func streamResponsePaLM2OpenAI(palmResponse *PaLMChatResponse) *ChatCompletionsStreamResponse {
-	var choice ChatCompletionsStreamResponseChoice
-	if len(palmResponse.Candidates) > 0 {
-		choice.Delta.Content = palmResponse.Candidates[0].Content
-	}
-	choice.FinishReason = &stopFinishReason
-	var response ChatCompletionsStreamResponse
-	response.Object = "chat.completion.chunk"
-	response.Model = "palm2"
-	response.Choices = []ChatCompletionsStreamResponseChoice{choice}
-	return &response
-}
-
-func palmStreamHandler(c *gin.Context, resp *http.Response) (*OpenAIErrorWithStatusCode, string) {
-	responseText := ""
-	responseId := fmt.Sprintf("chatcmpl-%s", common.GetUUID())
-	createdTime := common.GetTimestamp()
-	dataChan := make(chan string)
-	stopChan := make(chan bool)
-	go func() {
-		responseBody, err := io.ReadAll(resp.Body)
-		if err != nil {
-			common.SysError("error reading stream response: " + err.Error())
-			stopChan <- true
-			return
-		}
-		err = resp.Body.Close()
-		if err != nil {
-			common.SysError("error closing stream response: " + err.Error())
-			stopChan <- true
-			return
-		}
-		var palmResponse PaLMChatResponse
-		err = json.Unmarshal(responseBody, &palmResponse)
-		if err != nil {
-			common.SysError("error unmarshalling stream response: " + err.Error())
-			stopChan <- true
-			return
-		}
-		fullTextResponse := streamResponsePaLM2OpenAI(&palmResponse)
-		fullTextResponse.Id = responseId
-		fullTextResponse.Created = createdTime
-		if len(palmResponse.Candidates) > 0 {
-			responseText = palmResponse.Candidates[0].Content
-		}
-		jsonResponse, err := json.Marshal(fullTextResponse)
-		if err != nil {
-			common.SysError("error marshalling stream response: " + err.Error())
-			stopChan <- true
-			return
-		}
-		dataChan <- string(jsonResponse)
-		stopChan <- true
-	}()
-	setEventStreamHeaders(c)
-	c.Stream(func(w io.Writer) bool {
-		select {
-		case data := <-dataChan:
-			c.Render(-1, common.CustomEvent{Data: "data: " + data})
-			return true
-		case <-stopChan:
-			c.Render(-1, common.CustomEvent{Data: "data: [DONE]"})
-			return false
-		}
-	})
-	err := resp.Body.Close()
-	if err != nil {
-		return errorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), ""
-	}
-	return nil, responseText
-}
-
-func palmHandler(c *gin.Context, resp *http.Response, promptTokens int, model string) (*OpenAIErrorWithStatusCode, *Usage) {
-	responseBody, err := io.ReadAll(resp.Body)
-	if err != nil {
-		return errorWrapper(err, "read_response_body_failed", http.StatusInternalServerError), nil
-	}
-	err = resp.Body.Close()
-	if err != nil {
-		return errorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), nil
-	}
-	var palmResponse PaLMChatResponse
-	err = json.Unmarshal(responseBody, &palmResponse)
-	if err != nil {
-		return errorWrapper(err, "unmarshal_response_body_failed", http.StatusInternalServerError), nil
-	}
-	if palmResponse.Error.Code != 0 || len(palmResponse.Candidates) == 0 {
-		return &OpenAIErrorWithStatusCode{
-			OpenAIError: OpenAIError{
-				Message: palmResponse.Error.Message,
-				Type:    palmResponse.Error.Status,
-				Param:   "",
-				Code:    palmResponse.Error.Code,
-			},
-			StatusCode: resp.StatusCode,
-		}, nil
-	}
-	fullTextResponse := responsePaLM2OpenAI(&palmResponse)
-	completionTokens := countTokenText(palmResponse.Candidates[0].Content, model)
-	usage := Usage{
-		PromptTokens:     promptTokens,
-		CompletionTokens: completionTokens,
-		TotalTokens:      promptTokens + completionTokens,
-	}
-	fullTextResponse.Usage = usage
-	jsonResponse, err := json.Marshal(fullTextResponse)
-	if err != nil {
-		return errorWrapper(err, "marshal_response_body_failed", http.StatusInternalServerError), nil
-	}
-	c.Writer.Header().Set("Content-Type", "application/json")
-	c.Writer.WriteHeader(resp.StatusCode)
-	_, err = c.Writer.Write(jsonResponse)
-	return nil, &usage
-}

controller/relay-text.go

@@ -1,649 +0,0 @@
-package controller
-
-import (
-	"bytes"
-	"context"
-	"encoding/json"
-	"errors"
-	"fmt"
-	"io"
-	"math"
-	"net/http"
-	"one-api/common"
-	"one-api/model"
-	"strings"
-	"time"
-
-	"github.com/gin-gonic/gin"
-)
-
-const (
-	APITypeOpenAI = iota
-	APITypeClaude
-	APITypePaLM
-	APITypeBaidu
-	APITypeZhipu
-	APITypeAli
-	APITypeXunfei
-	APITypeAIProxyLibrary
-	APITypeTencent
-)
-
-var httpClient *http.Client
-var impatientHTTPClient *http.Client
-
-func init() {
-	if common.RelayTimeout == 0 {
-		httpClient = &http.Client{}
-	} else {
-		httpClient = &http.Client{
-			Timeout: time.Duration(common.RelayTimeout) * time.Second,
-		}
-	}
-
-	impatientHTTPClient = &http.Client{
-		Timeout: 5 * time.Second,
-	}
-}
-
-func relayTextHelper(c *gin.Context, relayMode int) *OpenAIErrorWithStatusCode {
-	channelType := c.GetInt("channel")
-	channelId := c.GetInt("channel_id")
-	tokenId := c.GetInt("token_id")
-	userId := c.GetInt("id")
-	consumeQuota := c.GetBool("consume_quota")
-	group := c.GetString("group")
-	var textRequest GeneralOpenAIRequest
-	if consumeQuota || channelType == common.ChannelTypeAzure || channelType == common.ChannelTypePaLM {
-		err := common.UnmarshalBodyReusable(c, &textRequest)
-		if err != nil {
-			return errorWrapper(err, "bind_request_body_failed", http.StatusBadRequest)
-		}
-	}
-	if relayMode == RelayModeModerations && textRequest.Model == "" {
-		textRequest.Model = "text-moderation-latest"
-	}
-	if relayMode == RelayModeEmbeddings && textRequest.Model == "" {
-		textRequest.Model = c.Param("model")
-	}
-	// request validation
-	if textRequest.Model == "" {
-		return errorWrapper(errors.New("model is required"), "required_field_missing", http.StatusBadRequest)
-	}
-	switch relayMode {
-	case RelayModeCompletions:
-		if textRequest.Prompt == "" {
-			return errorWrapper(errors.New("field prompt is required"), "required_field_missing", http.StatusBadRequest)
-		}
-	case RelayModeChatCompletions:
-		if textRequest.Messages == nil || len(textRequest.Messages) == 0 {
-			return errorWrapper(errors.New("field messages is required"), "required_field_missing", http.StatusBadRequest)
-		}
-	case RelayModeEmbeddings:
-	case RelayModeModerations:
-		if textRequest.Input == "" {
-			return errorWrapper(errors.New("field input is required"), "required_field_missing", http.StatusBadRequest)
-		}
-	case RelayModeEdits:
-		if textRequest.Instruction == "" {
-			return errorWrapper(errors.New("field instruction is required"), "required_field_missing", http.StatusBadRequest)
-		}
-	}
-	// map model name
-	modelMapping := c.GetString("model_mapping")
-	isModelMapped := false
-	if modelMapping != "" && modelMapping != "{}" {
-		modelMap := make(map[string]string)
-		err := json.Unmarshal([]byte(modelMapping), &modelMap)
-		if err != nil {
-			return errorWrapper(err, "unmarshal_model_mapping_failed", http.StatusInternalServerError)
-		}
-		if modelMap[textRequest.Model] != "" {
-			textRequest.Model = modelMap[textRequest.Model]
-			isModelMapped = true
-		}
-	}
-	apiType := APITypeOpenAI
-	switch channelType {
-	case common.ChannelTypeAnthropic:
-		apiType = APITypeClaude
-	case common.ChannelTypeBaidu:
-		apiType = APITypeBaidu
-	case common.ChannelTypePaLM:
-		apiType = APITypePaLM
-	case common.ChannelTypeZhipu:
-		apiType = APITypeZhipu
-	case common.ChannelTypeAli:
-		apiType = APITypeAli
-	case common.ChannelTypeXunfei:
-		apiType = APITypeXunfei
-	case common.ChannelTypeAIProxyLibrary:
-		apiType = APITypeAIProxyLibrary
-	case common.ChannelTypeTencent:
-		apiType = APITypeTencent
-	}
-	baseURL := common.ChannelBaseURLs[channelType]
-	requestURL := c.Request.URL.String()
-	if c.GetString("base_url") != "" {
-		baseURL = c.GetString("base_url")
-	}
-	fullRequestURL := getFullRequestURL(baseURL, requestURL, channelType)
-	switch apiType {
-	case APITypeOpenAI:
-		if channelType == common.ChannelTypeAzure {
-			// https://learn.microsoft.com/en-us/azure/cognitive-services/openai/chatgpt-quickstart?pivots=rest-api&tabs=command-line#rest-api
-			query := c.Request.URL.Query()
-			apiVersion := query.Get("api-version")
-			if apiVersion == "" {
-				apiVersion = c.GetString("api_version")
-			}
-			requestURL := strings.Split(requestURL, "?")[0]
-			requestURL = fmt.Sprintf("%s?api-version=%s", requestURL, apiVersion)
-			baseURL = c.GetString("base_url")
-			task := strings.TrimPrefix(requestURL, "/v1/")
-			model_ := textRequest.Model
-			model_ = strings.Replace(model_, ".", "", -1)
-			// https://github.com/songquanpeng/one-api/issues/67
-			model_ = strings.TrimSuffix(model_, "-0301")
-			model_ = strings.TrimSuffix(model_, "-0314")
-			model_ = strings.TrimSuffix(model_, "-0613")
-
-			requestURL = fmt.Sprintf("/openai/deployments/%s/%s", model_, task)
-			fullRequestURL = getFullRequestURL(baseURL, requestURL, channelType)
-		}
-	case APITypeClaude:
-		fullRequestURL = "https://api.anthropic.com/v1/complete"
-		if baseURL != "" {
-			fullRequestURL = fmt.Sprintf("%s/v1/complete", baseURL)
-		}
-	case APITypeBaidu:
-		switch textRequest.Model {
-		case "ERNIE-Bot":
-			fullRequestURL = "https://aip.baidubce.com/rpc/2.0/ai_custom/v1/wenxinworkshop/chat/completions"
-		case "ERNIE-Bot-turbo":
-			fullRequestURL = "https://aip.baidubce.com/rpc/2.0/ai_custom/v1/wenxinworkshop/chat/eb-instant"
-		case "ERNIE-Bot-4":
-			fullRequestURL = "https://aip.baidubce.com/rpc/2.0/ai_custom/v1/wenxinworkshop/chat/completions_pro"
-		case "BLOOMZ-7B":
-			fullRequestURL = "https://aip.baidubce.com/rpc/2.0/ai_custom/v1/wenxinworkshop/chat/bloomz_7b1"
-		case "Embedding-V1":
-			fullRequestURL = "https://aip.baidubce.com/rpc/2.0/ai_custom/v1/wenxinworkshop/embeddings/embedding-v1"
-		}
-		apiKey := c.Request.Header.Get("Authorization")
-		apiKey = strings.TrimPrefix(apiKey, "Bearer ")
-		var err error
-		if apiKey, err = getBaiduAccessToken(apiKey); err != nil {
-			return errorWrapper(err, "invalid_baidu_config", http.StatusInternalServerError)
-		}
-		fullRequestURL += "?access_token=" + apiKey
-	case APITypePaLM:
-		fullRequestURL = "https://generativelanguage.googleapis.com/v1beta2/models/chat-bison-001:generateMessage"
-		if baseURL != "" {
-			fullRequestURL = fmt.Sprintf("%s/v1beta2/models/chat-bison-001:generateMessage", baseURL)
-		}
-		apiKey := c.Request.Header.Get("Authorization")
-		apiKey = strings.TrimPrefix(apiKey, "Bearer ")
-		fullRequestURL += "?key=" + apiKey
-	case APITypeZhipu:
-		method := "invoke"
-		if textRequest.Stream {
-			method = "sse-invoke"
-		}
-		fullRequestURL = fmt.Sprintf("https://open.bigmodel.cn/api/paas/v3/model-api/%s/%s", textRequest.Model, method)
-	case APITypeAli:
-		fullRequestURL = "https://dashscope.aliyuncs.com/api/v1/services/aigc/text-generation/generation"
-		if relayMode == RelayModeEmbeddings {
-			fullRequestURL = "https://dashscope.aliyuncs.com/api/v1/services/embeddings/text-embedding/text-embedding"
-		}
-	case APITypeTencent:
-		fullRequestURL = "https://hunyuan.cloud.tencent.com/hyllm/v1/chat/completions"
-	case APITypeAIProxyLibrary:
-		fullRequestURL = fmt.Sprintf("%s/api/library/ask", baseURL)
-	}
-	var promptTokens int
-	var completionTokens int
-	switch relayMode {
-	case RelayModeChatCompletions:
-		promptTokens = countTokenMessages(textRequest.Messages, textRequest.Model)
-	case RelayModeCompletions:
-		promptTokens = countTokenInput(textRequest.Prompt, textRequest.Model)
-	case RelayModeModerations:
-		promptTokens = countTokenInput(textRequest.Input, textRequest.Model)
-	}
-	preConsumedTokens := common.PreConsumedQuota
-	if textRequest.MaxTokens != 0 {
-		preConsumedTokens = promptTokens + textRequest.MaxTokens
-	}
-	modelRatio := common.GetModelRatio(textRequest.Model)
-	groupRatio := common.GetGroupRatio(group)
-	ratio := modelRatio * groupRatio
-	preConsumedQuota := int(float64(preConsumedTokens) * ratio)
-	userQuota, err := model.CacheGetUserQuota(userId)
-	if err != nil {
-		return errorWrapper(err, "get_user_quota_failed", http.StatusInternalServerError)
-	}
-	if userQuota-preConsumedQuota < 0 {
-		return errorWrapper(errors.New("user quota is not enough"), "insufficient_user_quota", http.StatusForbidden)
-	}
-	err = model.CacheDecreaseUserQuota(userId, preConsumedQuota)
-	if err != nil {
-		return errorWrapper(err, "decrease_user_quota_failed", http.StatusInternalServerError)
-	}
-	if userQuota > 100*preConsumedQuota {
-		// in this case, we do not pre-consume quota
-		// because the user has enough quota
-		preConsumedQuota = 0
-		common.LogInfo(c.Request.Context(), fmt.Sprintf("user %d has enough quota %d, trusted and no need to pre-consume", userId, userQuota))
-	}
-	if consumeQuota && preConsumedQuota > 0 {
-		err := model.PreConsumeTokenQuota(tokenId, preConsumedQuota)
-		if err != nil {
-			return errorWrapper(err, "pre_consume_token_quota_failed", http.StatusForbidden)
-		}
-	}
-	var requestBody io.Reader
-	if isModelMapped {
-		jsonStr, err := json.Marshal(textRequest)
-		if err != nil {
-			return errorWrapper(err, "marshal_text_request_failed", http.StatusInternalServerError)
-		}
-		requestBody = bytes.NewBuffer(jsonStr)
-	} else {
-		requestBody = c.Request.Body
-	}
-	switch apiType {
-	case APITypeClaude:
-		claudeRequest := requestOpenAI2Claude(textRequest)
-		jsonStr, err := json.Marshal(claudeRequest)
-		if err != nil {
-			return errorWrapper(err, "marshal_text_request_failed", http.StatusInternalServerError)
-		}
-		requestBody = bytes.NewBuffer(jsonStr)
-	case APITypeBaidu:
-		var jsonData []byte
-		var err error
-		switch relayMode {
-		case RelayModeEmbeddings:
-			baiduEmbeddingRequest := embeddingRequestOpenAI2Baidu(textRequest)
-			jsonData, err = json.Marshal(baiduEmbeddingRequest)
-		default:
-			baiduRequest := requestOpenAI2Baidu(textRequest)
-			jsonData, err = json.Marshal(baiduRequest)
-		}
-		if err != nil {
-			return errorWrapper(err, "marshal_text_request_failed", http.StatusInternalServerError)
-		}
-		requestBody = bytes.NewBuffer(jsonData)
-	case APITypePaLM:
-		palmRequest := requestOpenAI2PaLM(textRequest)
-		jsonStr, err := json.Marshal(palmRequest)
-		if err != nil {
-			return errorWrapper(err, "marshal_text_request_failed", http.StatusInternalServerError)
-		}
-		requestBody = bytes.NewBuffer(jsonStr)
-	case APITypeZhipu:
-		zhipuRequest := requestOpenAI2Zhipu(textRequest)
-		jsonStr, err := json.Marshal(zhipuRequest)
-		if err != nil {
-			return errorWrapper(err, "marshal_text_request_failed", http.StatusInternalServerError)
-		}
-		requestBody = bytes.NewBuffer(jsonStr)
-	case APITypeAli:
-		var jsonStr []byte
-		var err error
-		switch relayMode {
-		case RelayModeEmbeddings:
-			aliEmbeddingRequest := embeddingRequestOpenAI2Ali(textRequest)
-			jsonStr, err = json.Marshal(aliEmbeddingRequest)
-		default:
-			aliRequest := requestOpenAI2Ali(textRequest)
-			jsonStr, err = json.Marshal(aliRequest)
-		}
-		if err != nil {
-			return errorWrapper(err, "marshal_text_request_failed", http.StatusInternalServerError)
-		}
-		requestBody = bytes.NewBuffer(jsonStr)
-	case APITypeTencent:
-		apiKey := c.Request.Header.Get("Authorization")
-		apiKey = strings.TrimPrefix(apiKey, "Bearer ")
-		appId, secretId, secretKey, err := parseTencentConfig(apiKey)
-		if err != nil {
-			return errorWrapper(err, "invalid_tencent_config", http.StatusInternalServerError)
-		}
-		tencentRequest := requestOpenAI2Tencent(textRequest)
-		tencentRequest.AppId = appId
-		tencentRequest.SecretId = secretId
-		jsonStr, err := json.Marshal(tencentRequest)
-		if err != nil {
-			return errorWrapper(err, "marshal_text_request_failed", http.StatusInternalServerError)
-		}
-		sign := getTencentSign(*tencentRequest, secretKey)
-		c.Request.Header.Set("Authorization", sign)
-		requestBody = bytes.NewBuffer(jsonStr)
-	case APITypeAIProxyLibrary:
-		aiProxyLibraryRequest := requestOpenAI2AIProxyLibrary(textRequest)
-		aiProxyLibraryRequest.LibraryId = c.GetString("library_id")
-		jsonStr, err := json.Marshal(aiProxyLibraryRequest)
-		if err != nil {
-			return errorWrapper(err, "marshal_text_request_failed", http.StatusInternalServerError)
-		}
-		requestBody = bytes.NewBuffer(jsonStr)
-	}
-
-	var req *http.Request
-	var resp *http.Response
-	isStream := textRequest.Stream
-
-	if apiType != APITypeXunfei { // cause xunfei use websocket
-		req, err = http.NewRequest(c.Request.Method, fullRequestURL, requestBody)
-		if err != nil {
-			return errorWrapper(err, "new_request_failed", http.StatusInternalServerError)
-		}
-		apiKey := c.Request.Header.Get("Authorization")
-		apiKey = strings.TrimPrefix(apiKey, "Bearer ")
-		switch apiType {
-		case APITypeOpenAI:
-			if channelType == common.ChannelTypeAzure {
-				req.Header.Set("api-key", apiKey)
-			} else {
-				req.Header.Set("Authorization", c.Request.Header.Get("Authorization"))
-				if channelType == common.ChannelTypeOpenRouter {
-					req.Header.Set("HTTP-Referer", "https://github.com/songquanpeng/one-api")
-					req.Header.Set("X-Title", "One API")
-				}
-			}
-		case APITypeClaude:
-			req.Header.Set("x-api-key", apiKey)
-			anthropicVersion := c.Request.Header.Get("anthropic-version")
-			if anthropicVersion == "" {
-				anthropicVersion = "2023-06-01"
-			}
-			req.Header.Set("anthropic-version", anthropicVersion)
-		case APITypeZhipu:
-			token := getZhipuToken(apiKey)
-			req.Header.Set("Authorization", token)
-		case APITypeAli:
-			req.Header.Set("Authorization", "Bearer "+apiKey)
-			if textRequest.Stream {
-				req.Header.Set("X-DashScope-SSE", "enable")
-			}
-		case APITypeTencent:
-			req.Header.Set("Authorization", apiKey)
-		case APITypePaLM:
-			// do not set Authorization header
-		default:
-			req.Header.Set("Authorization", "Bearer "+apiKey)
-		}
-		req.Header.Set("Content-Type", c.Request.Header.Get("Content-Type"))
-		req.Header.Set("Accept", c.Request.Header.Get("Accept"))
-		if isStream && c.Request.Header.Get("Accept") == "" {
-			req.Header.Set("Accept", "text/event-stream")
-		}
-		//req.Header.Set("Connection", c.Request.Header.Get("Connection"))
-		resp, err = httpClient.Do(req)
-		if err != nil {
-			return errorWrapper(err, "do_request_failed", http.StatusInternalServerError)
-		}
-		err = req.Body.Close()
-		if err != nil {
-			return errorWrapper(err, "close_request_body_failed", http.StatusInternalServerError)
-		}
-		err = c.Request.Body.Close()
-		if err != nil {
-			return errorWrapper(err, "close_request_body_failed", http.StatusInternalServerError)
-		}
-		isStream = isStream || strings.HasPrefix(resp.Header.Get("Content-Type"), "text/event-stream")
-
-		if resp.StatusCode != http.StatusOK {
-			if preConsumedQuota != 0 {
-				go func(ctx context.Context) {
-					// return pre-consumed quota
-					err := model.PostConsumeTokenQuota(tokenId, -preConsumedQuota)
-					if err != nil {
-						common.LogError(ctx, "error return pre-consumed quota: "+err.Error())
-					}
-				}(c.Request.Context())
-			}
-			return relayErrorHandler(resp)
-		}
-	}
-
-	var textResponse TextResponse
-	tokenName := c.GetString("token_name")
-
-	defer func(ctx context.Context) {
-		// c.Writer.Flush()
-		go func() {
-			if consumeQuota {
-				quota := 0
-				completionRatio := common.GetCompletionRatio(textRequest.Model)
-				promptTokens = textResponse.Usage.PromptTokens
-				completionTokens = textResponse.Usage.CompletionTokens
-				quota = int(math.Ceil((float64(promptTokens) + float64(completionTokens)*completionRatio) * ratio))
-				if ratio != 0 && quota <= 0 {
-					quota = 1
-				}
-				totalTokens := promptTokens + completionTokens
-				if totalTokens == 0 {
-					// in this case, must be some error happened
-					// we cannot just return, because we may have to return the pre-consumed quota
-					quota = 0
-				}
-				quotaDelta := quota - preConsumedQuota
-				err := model.PostConsumeTokenQuota(tokenId, quotaDelta)
-				if err != nil {
-					common.LogError(ctx, "error consuming token remain quota: "+err.Error())
-				}
-				err = model.CacheUpdateUserQuota(userId)
-				if err != nil {
-					common.LogError(ctx, "error update user quota cache: "+err.Error())
-				}
-				if quota != 0 {
-					logContent := fmt.Sprintf("模型倍率 %.2f，分组倍率 %.2f", modelRatio, groupRatio)
-					model.RecordConsumeLog(ctx, userId, channelId, promptTokens, completionTokens, textRequest.Model, tokenName, quota, logContent)
-					model.UpdateUserUsedQuotaAndRequestCount(userId, quota)
-					model.UpdateChannelUsedQuota(channelId, quota)
-				}
-			}
-		}()
-	}(c.Request.Context())
-	switch apiType {
-	case APITypeOpenAI:
-		if isStream {
-			err, responseText := openaiStreamHandler(c, resp, relayMode)
-			if err != nil {
-				return err
-			}
-			textResponse.Usage.PromptTokens = promptTokens
-			textResponse.Usage.CompletionTokens = countTokenText(responseText, textRequest.Model)
-			return nil
-		} else {
-			err, usage := openaiHandler(c, resp, consumeQuota, promptTokens, textRequest.Model)
-			if err != nil {
-				return err
-			}
-			if usage != nil {
-				textResponse.Usage = *usage
-			}
-			return nil
-		}
-	case APITypeClaude:
-		if isStream {
-			err, responseText := claudeStreamHandler(c, resp)
-			if err != nil {
-				return err
-			}
-			textResponse.Usage.PromptTokens = promptTokens
-			textResponse.Usage.CompletionTokens = countTokenText(responseText, textRequest.Model)
-			return nil
-		} else {
-			err, usage := claudeHandler(c, resp, promptTokens, textRequest.Model)
-			if err != nil {
-				return err
-			}
-			if usage != nil {
-				textResponse.Usage = *usage
-			}
-			return nil
-		}
-	case APITypeBaidu:
-		if isStream {
-			err, usage := baiduStreamHandler(c, resp)
-			if err != nil {
-				return err
-			}
-			if usage != nil {
-				textResponse.Usage = *usage
-			}
-			return nil
-		} else {
-			var err *OpenAIErrorWithStatusCode
-			var usage *Usage
-			switch relayMode {
-			case RelayModeEmbeddings:
-				err, usage = baiduEmbeddingHandler(c, resp)
-			default:
-				err, usage = baiduHandler(c, resp)
-			}
-			if err != nil {
-				return err
-			}
-			if usage != nil {
-				textResponse.Usage = *usage
-			}
-			return nil
-		}
-	case APITypePaLM:
-		if textRequest.Stream { // PaLM2 API does not support stream
-			err, responseText := palmStreamHandler(c, resp)
-			if err != nil {
-				return err
-			}
-			textResponse.Usage.PromptTokens = promptTokens
-			textResponse.Usage.CompletionTokens = countTokenText(responseText, textRequest.Model)
-			return nil
-		} else {
-			err, usage := palmHandler(c, resp, promptTokens, textRequest.Model)
-			if err != nil {
-				return err
-			}
-			if usage != nil {
-				textResponse.Usage = *usage
-			}
-			return nil
-		}
-	case APITypeZhipu:
-		if isStream {
-			err, usage := zhipuStreamHandler(c, resp)
-			if err != nil {
-				return err
-			}
-			if usage != nil {
-				textResponse.Usage = *usage
-			}
-			// zhipu's API does not return prompt tokens & completion tokens
-			textResponse.Usage.PromptTokens = textResponse.Usage.TotalTokens
-			return nil
-		} else {
-			err, usage := zhipuHandler(c, resp)
-			if err != nil {
-				return err
-			}
-			if usage != nil {
-				textResponse.Usage = *usage
-			}
-			// zhipu's API does not return prompt tokens & completion tokens
-			textResponse.Usage.PromptTokens = textResponse.Usage.TotalTokens
-			return nil
-		}
-	case APITypeAli:
-		if isStream {
-			err, usage := aliStreamHandler(c, resp)
-			if err != nil {
-				return err
-			}
-			if usage != nil {
-				textResponse.Usage = *usage
-			}
-			return nil
-		} else {
-			var err *OpenAIErrorWithStatusCode
-			var usage *Usage
-			switch relayMode {
-			case RelayModeEmbeddings:
-				err, usage = aliEmbeddingHandler(c, resp)
-			default:
-				err, usage = aliHandler(c, resp)
-			}
-			if err != nil {
-				return err
-			}
-			if usage != nil {
-				textResponse.Usage = *usage
-			}
-			return nil
-		}
-	case APITypeXunfei:
-		auth := c.Request.Header.Get("Authorization")
-		auth = strings.TrimPrefix(auth, "Bearer ")
-		splits := strings.Split(auth, "|")
-		if len(splits) != 3 {
-			return errorWrapper(errors.New("invalid auth"), "invalid_auth", http.StatusBadRequest)
-		}
-		var err *OpenAIErrorWithStatusCode
-		var usage *Usage
-		if isStream {
-			err, usage = xunfeiStreamHandler(c, textRequest, splits[0], splits[1], splits[2])
-		} else {
-			err, usage = xunfeiHandler(c, textRequest, splits[0], splits[1], splits[2])
-		}
-		if err != nil {
-			return err
-		}
-		if usage != nil {
-			textResponse.Usage = *usage
-		}
-		return nil
-	case APITypeAIProxyLibrary:
-		if isStream {
-			err, usage := aiProxyLibraryStreamHandler(c, resp)
-			if err != nil {
-				return err
-			}
-			if usage != nil {
-				textResponse.Usage = *usage
-			}
-			return nil
-		} else {
-			err, usage := aiProxyLibraryHandler(c, resp)
-			if err != nil {
-				return err
-			}
-			if usage != nil {
-				textResponse.Usage = *usage
-			}
-			return nil
-		}
-	case APITypeTencent:
-		if isStream {
-			err, responseText := tencentStreamHandler(c, resp)
-			if err != nil {
-				return err
-			}
-			textResponse.Usage.PromptTokens = promptTokens
-			textResponse.Usage.CompletionTokens = countTokenText(responseText, textRequest.Model)
-			return nil
-		} else {
-			err, usage := tencentHandler(c, resp)
-			if err != nil {
-				return err
-			}
-			if usage != nil {
-				textResponse.Usage = *usage
-			}
-			return nil
-		}
-	default:
-		return errorWrapper(errors.New("unknown api type"), "unknown_api_type", http.StatusInternalServerError)
-	}
-}

controller/relay-utils.go

@@ -3,133 +3,16 @@ package controller
 import (
 	"context"
 	"encoding/json"
+	"errors"
 	"fmt"
-	"io"
+	"math"
 	"net/http"
 	"one-api/common"
 	"one-api/model"
-	"strconv"
+	"one-api/types"
-	"strings"
-
-	"github.com/gin-gonic/gin"
-	"github.com/pkoukk/tiktoken-go"
 )
 
-var stopFinishReason = "stop"
+func shouldDisableChannel(err *types.OpenAIError, statusCode int) bool {
-
-// tokenEncoderMap won't grow after initialization
-var tokenEncoderMap = map[string]*tiktoken.Tiktoken{}
-var defaultTokenEncoder *tiktoken.Tiktoken
-
-func InitTokenEncoders() {
-	common.SysLog("initializing token encoders")
-	gpt35TokenEncoder, err := tiktoken.EncodingForModel("gpt-3.5-turbo")
-	if err != nil {
-		common.FatalLog(fmt.Sprintf("failed to get gpt-3.5-turbo token encoder: %s", err.Error()))
-	}
-	defaultTokenEncoder = gpt35TokenEncoder
-	gpt4TokenEncoder, err := tiktoken.EncodingForModel("gpt-4")
-	if err != nil {
-		common.FatalLog(fmt.Sprintf("failed to get gpt-4 token encoder: %s", err.Error()))
-	}
-	for model, _ := range common.ModelRatio {
-		if strings.HasPrefix(model, "gpt-3.5") {
-			tokenEncoderMap[model] = gpt35TokenEncoder
-		} else if strings.HasPrefix(model, "gpt-4") {
-			tokenEncoderMap[model] = gpt4TokenEncoder
-		} else {
-			tokenEncoderMap[model] = nil
-		}
-	}
-	common.SysLog("token encoders initialized")
-}
-
-func getTokenEncoder(model string) *tiktoken.Tiktoken {
-	tokenEncoder, ok := tokenEncoderMap[model]
-	if ok && tokenEncoder != nil {
-		return tokenEncoder
-	}
-	if ok {
-		tokenEncoder, err := tiktoken.EncodingForModel(model)
-		if err != nil {
-			common.SysError(fmt.Sprintf("failed to get token encoder for model %s: %s, using encoder for gpt-3.5-turbo", model, err.Error()))
-			tokenEncoder = defaultTokenEncoder
-		}
-		tokenEncoderMap[model] = tokenEncoder
-		return tokenEncoder
-	}
-	return defaultTokenEncoder
-}
-
-func getTokenNum(tokenEncoder *tiktoken.Tiktoken, text string) int {
-	if common.ApproximateTokenEnabled {
-		return int(float64(len(text)) * 0.38)
-	}
-	return len(tokenEncoder.Encode(text, nil, nil))
-}
-
-func countTokenMessages(messages []Message, model string) int {
-	tokenEncoder := getTokenEncoder(model)
-	// Reference:
-	// https://github.com/openai/openai-cookbook/blob/main/examples/How_to_count_tokens_with_tiktoken.ipynb
-	// https://github.com/pkoukk/tiktoken-go/issues/6
-	//
-	// Every message follows <|start|>{role/name}\n{content}<|end|>\n
-	var tokensPerMessage int
-	var tokensPerName int
-	if model == "gpt-3.5-turbo-0301" {
-		tokensPerMessage = 4
-		tokensPerName = -1 // If there's a name, the role is omitted
-	} else {
-		tokensPerMessage = 3
-		tokensPerName = 1
-	}
-	tokenNum := 0
-	for _, message := range messages {
-		tokenNum += tokensPerMessage
-		tokenNum += getTokenNum(tokenEncoder, message.StringContent())
-		tokenNum += getTokenNum(tokenEncoder, message.Role)
-		if message.Name != nil {
-			tokenNum += tokensPerName
-			tokenNum += getTokenNum(tokenEncoder, *message.Name)
-		}
-	}
-	tokenNum += 3 // Every reply is primed with <|start|>assistant<|message|>
-	return tokenNum
-}
-
-func countTokenInput(input any, model string) int {
-	switch input.(type) {
-	case string:
-		return countTokenText(input.(string), model)
-	case []string:
-		text := ""
-		for _, s := range input.([]string) {
-			text += s
-		}
-		return countTokenText(text, model)
-	}
-	return 0
-}
-
-func countTokenText(text string, model string) int {
-	tokenEncoder := getTokenEncoder(model)
-	return getTokenNum(tokenEncoder, text)
-}
-
-func errorWrapper(err error, code string, statusCode int) *OpenAIErrorWithStatusCode {
-	openAIError := OpenAIError{
-		Message: err.Error(),
-		Type:    "one_api_error",
-		Code:    code,
-	}
-	return &OpenAIErrorWithStatusCode{
-		OpenAIError: openAIError,
-		StatusCode:  statusCode,
-	}
-}
-
-func shouldDisableChannel(err *OpenAIError, statusCode int) bool {
 	if !common.AutomaticDisableChannelEnabled {
 		return false
 	}
@@ -145,56 +28,6 @@ func shouldDisableChannel(err *OpenAIError, statusCode int) bool {
 	return false
 }
 
-func setEventStreamHeaders(c *gin.Context) {
-	c.Writer.Header().Set("Content-Type", "text/event-stream")
-	c.Writer.Header().Set("Cache-Control", "no-cache")
-	c.Writer.Header().Set("Connection", "keep-alive")
-	c.Writer.Header().Set("Transfer-Encoding", "chunked")
-	c.Writer.Header().Set("X-Accel-Buffering", "no")
-}
-
-func relayErrorHandler(resp *http.Response) (openAIErrorWithStatusCode *OpenAIErrorWithStatusCode) {
-	openAIErrorWithStatusCode = &OpenAIErrorWithStatusCode{
-		StatusCode: resp.StatusCode,
-		OpenAIError: OpenAIError{
-			Message: fmt.Sprintf("bad response status code %d", resp.StatusCode),
-			Type:    "upstream_error",
-			Code:    "bad_response_status_code",
-			Param:   strconv.Itoa(resp.StatusCode),
-		},
-	}
-	responseBody, err := io.ReadAll(resp.Body)
-	if err != nil {
-		return
-	}
-	err = resp.Body.Close()
-	if err != nil {
-		return
-	}
-	var textResponse TextResponse
-	err = json.Unmarshal(responseBody, &textResponse)
-	if err != nil {
-		return
-	}
-	openAIErrorWithStatusCode.OpenAIError = textResponse.Error
-	return
-}
-
-func getFullRequestURL(baseURL string, requestURL string, channelType int) string {
-	fullRequestURL := fmt.Sprintf("%s%s", baseURL, requestURL)
-
-	if strings.HasPrefix(baseURL, "https://gateway.ai.cloudflare.com") {
-		switch channelType {
-		case common.ChannelTypeOpenAI:
-			fullRequestURL = fmt.Sprintf("%s%s", baseURL, strings.TrimPrefix(requestURL, "/v1"))
-		case common.ChannelTypeAzure:
-			fullRequestURL = fmt.Sprintf("%s%s", baseURL, strings.TrimPrefix(requestURL, "/openai/deployments"))
-		}
-	}
-
-	return fullRequestURL
-}
-
 func postConsumeQuota(ctx context.Context, tokenId int, quota int, userId int, channelId int, modelRatio float64, groupRatio float64, modelName string, tokenName string) {
 	err := model.PostConsumeTokenQuota(tokenId, quota)
 	if err != nil {
@@ -211,3 +44,110 @@ func postConsumeQuota(ctx context.Context, tokenId int, quota int, userId int, c
 		model.UpdateChannelUsedQuota(channelId, quota)
 	}
 }
+
+func parseModelMapping(modelMapping string) (map[string]string, error) {
+	if modelMapping == "" || modelMapping == "{}" {
+		return nil, nil
+	}
+	modelMap := make(map[string]string)
+	err := json.Unmarshal([]byte(modelMapping), &modelMap)
+	if err != nil {
+		return nil, err
+	}
+	return modelMap, nil
+}
+
+type QuotaInfo struct {
+	modelName         string
+	promptTokens      int
+	preConsumedTokens int
+	modelRatio        float64
+	groupRatio        float64
+	ratio             float64
+	preConsumedQuota  int
+	userId            int
+	channelId         int
+	tokenId           int
+}
+
+func (q *QuotaInfo) initQuotaInfo(groupName string) {
+	modelRatio := common.GetModelRatio(q.modelName)
+	groupRatio := common.GetGroupRatio(groupName)
+	preConsumedTokens := common.PreConsumedQuota
+	ratio := modelRatio * groupRatio
+	preConsumedQuota := int(float64(q.promptTokens+preConsumedTokens) * ratio)
+
+	q.preConsumedTokens = preConsumedTokens
+	q.modelRatio = modelRatio
+	q.groupRatio = groupRatio
+	q.ratio = ratio
+	q.preConsumedQuota = preConsumedQuota
+
+	return
+}
+
+func (q *QuotaInfo) preQuotaConsumption() *types.OpenAIErrorWithStatusCode {
+	userQuota, err := model.CacheGetUserQuota(q.userId)
+	if err != nil {
+		return types.ErrorWrapper(err, "get_user_quota_failed", http.StatusInternalServerError)
+	}
+
+	if userQuota < q.preConsumedQuota {
+		return types.ErrorWrapper(errors.New("user quota is not enough"), "insufficient_user_quota", http.StatusForbidden)
+	}
+
+	err = model.CacheDecreaseUserQuota(q.userId, q.preConsumedQuota)
+	if err != nil {
+		return types.ErrorWrapper(err, "decrease_user_quota_failed", http.StatusInternalServerError)
+	}
+
+	if userQuota > 100*q.preConsumedQuota {
+		// in this case, we do not pre-consume quota
+		// because the user has enough quota
+		q.preConsumedQuota = 0
+		// common.LogInfo(c.Request.Context(), fmt.Sprintf("user %d has enough quota %d, trusted and no need to pre-consume", userId, userQuota))
+	}
+
+	if q.preConsumedQuota > 0 {
+		err := model.PreConsumeTokenQuota(q.tokenId, q.preConsumedQuota)
+		if err != nil {
+			return types.ErrorWrapper(err, "pre_consume_token_quota_failed", http.StatusForbidden)
+		}
+	}
+
+	return nil
+}
+
+func (q *QuotaInfo) completedQuotaConsumption(usage *types.Usage, tokenName string, ctx context.Context) error {
+	quota := 0
+	completionRatio := common.GetCompletionRatio(q.modelName)
+	promptTokens := usage.PromptTokens
+	completionTokens := usage.CompletionTokens
+	quota = int(math.Ceil((float64(promptTokens) + float64(completionTokens)*completionRatio) * q.ratio))
+	if q.ratio != 0 && quota <= 0 {
+		quota = 1
+	}
+	totalTokens := promptTokens + completionTokens
+	if totalTokens == 0 {
+		// in this case, must be some error happened
+		// we cannot just return, because we may have to return the pre-consumed quota
+		quota = 0
+	}
+	quotaDelta := quota - q.preConsumedQuota
+	err := model.PostConsumeTokenQuota(q.tokenId, quotaDelta)
+	if err != nil {
+		return errors.New("error consuming token remain quota: " + err.Error())
+	}
+	err = model.CacheUpdateUserQuota(q.userId)
+	if err != nil {
+		return errors.New("error consuming token remain quota: " + err.Error())
+	}
+	if quota != 0 {
+		logContent := fmt.Sprintf("模型倍率 %.2f，分组倍率 %.2f", q.modelRatio, q.groupRatio)
+		model.RecordConsumeLog(ctx, q.userId, q.channelId, promptTokens, completionTokens, q.modelName, tokenName, quota, logContent)
+		model.UpdateUserUsedQuotaAndRequestCount(q.userId, quota)
+		model.UpdateChannelUsedQuota(q.channelId, quota)
+	}
+
+	return nil
+}

controller/relay-zhipu.go

@@ -1,301 +0,0 @@
-package controller
-
-import (
-	"bufio"
-	"encoding/json"
-	"github.com/gin-gonic/gin"
-	"github.com/golang-jwt/jwt"
-	"io"
-	"net/http"
-	"one-api/common"
-	"strings"
-	"sync"
-	"time"
-)
-
-// https://open.bigmodel.cn/doc/api#chatglm_std
-// chatglm_std, chatglm_lite
-// https://open.bigmodel.cn/api/paas/v3/model-api/chatglm_std/invoke
-// https://open.bigmodel.cn/api/paas/v3/model-api/chatglm_std/sse-invoke
-
-type ZhipuMessage struct {
-	Role    string `json:"role"`
-	Content string `json:"content"`
-}
-
-type ZhipuRequest struct {
-	Prompt      []ZhipuMessage `json:"prompt"`
-	Temperature float64        `json:"temperature,omitempty"`
-	TopP        float64        `json:"top_p,omitempty"`
-	RequestId   string         `json:"request_id,omitempty"`
-	Incremental bool           `json:"incremental,omitempty"`
-}
-
-type ZhipuResponseData struct {
-	TaskId     string         `json:"task_id"`
-	RequestId  string         `json:"request_id"`
-	TaskStatus string         `json:"task_status"`
-	Choices    []ZhipuMessage `json:"choices"`
-	Usage      `json:"usage"`
-}
-
-type ZhipuResponse struct {
-	Code    int               `json:"code"`
-	Msg     string            `json:"msg"`
-	Success bool              `json:"success"`
-	Data    ZhipuResponseData `json:"data"`
-}
-
-type ZhipuStreamMetaResponse struct {
-	RequestId  string `json:"request_id"`
-	TaskId     string `json:"task_id"`
-	TaskStatus string `json:"task_status"`
-	Usage      `json:"usage"`
-}
-
-type zhipuTokenData struct {
-	Token      string
-	ExpiryTime time.Time
-}
-
-var zhipuTokens sync.Map
-var expSeconds int64 = 24 * 3600
-
-func getZhipuToken(apikey string) string {
-	data, ok := zhipuTokens.Load(apikey)
-	if ok {
-		tokenData := data.(zhipuTokenData)
-		if time.Now().Before(tokenData.ExpiryTime) {
-			return tokenData.Token
-		}
-	}
-
-	split := strings.Split(apikey, ".")
-	if len(split) != 2 {
-		common.SysError("invalid zhipu key: " + apikey)
-		return ""
-	}
-
-	id := split[0]
-	secret := split[1]
-
-	expMillis := time.Now().Add(time.Duration(expSeconds)*time.Second).UnixNano() / 1e6
-	expiryTime := time.Now().Add(time.Duration(expSeconds) * time.Second)
-
-	timestamp := time.Now().UnixNano() / 1e6
-
-	payload := jwt.MapClaims{
-		"api_key":   id,
-		"exp":       expMillis,
-		"timestamp": timestamp,
-	}
-
-	token := jwt.NewWithClaims(jwt.SigningMethodHS256, payload)
-
-	token.Header["alg"] = "HS256"
-	token.Header["sign_type"] = "SIGN"
-
-	tokenString, err := token.SignedString([]byte(secret))
-	if err != nil {
-		return ""
-	}
-
-	zhipuTokens.Store(apikey, zhipuTokenData{
-		Token:      tokenString,
-		ExpiryTime: expiryTime,
-	})
-
-	return tokenString
-}
-
-func requestOpenAI2Zhipu(request GeneralOpenAIRequest) *ZhipuRequest {
-	messages := make([]ZhipuMessage, 0, len(request.Messages))
-	for _, message := range request.Messages {
-		if message.Role == "system" {
-			messages = append(messages, ZhipuMessage{
-				Role:    "system",
-				Content: message.StringContent(),
-			})
-			messages = append(messages, ZhipuMessage{
-				Role:    "user",
-				Content: "Okay",
-			})
-		} else {
-			messages = append(messages, ZhipuMessage{
-				Role:    message.Role,
-				Content: message.StringContent(),
-			})
-		}
-	}
-	return &ZhipuRequest{
-		Prompt:      messages,
-		Temperature: request.Temperature,
-		TopP:        request.TopP,
-		Incremental: false,
-	}
-}
-
-func responseZhipu2OpenAI(response *ZhipuResponse) *OpenAITextResponse {
-	fullTextResponse := OpenAITextResponse{
-		Id:      response.Data.TaskId,
-		Object:  "chat.completion",
-		Created: common.GetTimestamp(),
-		Choices: make([]OpenAITextResponseChoice, 0, len(response.Data.Choices)),
-		Usage:   response.Data.Usage,
-	}
-	for i, choice := range response.Data.Choices {
-		openaiChoice := OpenAITextResponseChoice{
-			Index: i,
-			Message: Message{
-				Role:    choice.Role,
-				Content: strings.Trim(choice.Content, "\""),
-			},
-			FinishReason: "",
-		}
-		if i == len(response.Data.Choices)-1 {
-			openaiChoice.FinishReason = "stop"
-		}
-		fullTextResponse.Choices = append(fullTextResponse.Choices, openaiChoice)
-	}
-	return &fullTextResponse
-}
-
-func streamResponseZhipu2OpenAI(zhipuResponse string) *ChatCompletionsStreamResponse {
-	var choice ChatCompletionsStreamResponseChoice
-	choice.Delta.Content = zhipuResponse
-	response := ChatCompletionsStreamResponse{
-		Object:  "chat.completion.chunk",
-		Created: common.GetTimestamp(),
-		Model:   "chatglm",
-		Choices: []ChatCompletionsStreamResponseChoice{choice},
-	}
-	return &response
-}
-
-func streamMetaResponseZhipu2OpenAI(zhipuResponse *ZhipuStreamMetaResponse) (*ChatCompletionsStreamResponse, *Usage) {
-	var choice ChatCompletionsStreamResponseChoice
-	choice.Delta.Content = ""
-	choice.FinishReason = &stopFinishReason
-	response := ChatCompletionsStreamResponse{
-		Id:      zhipuResponse.RequestId,
-		Object:  "chat.completion.chunk",
-		Created: common.GetTimestamp(),
-		Model:   "chatglm",
-		Choices: []ChatCompletionsStreamResponseChoice{choice},
-	}
-	return &response, &zhipuResponse.Usage
-}
-
-func zhipuStreamHandler(c *gin.Context, resp *http.Response) (*OpenAIErrorWithStatusCode, *Usage) {
-	var usage *Usage
-	scanner := bufio.NewScanner(resp.Body)
-	scanner.Split(func(data []byte, atEOF bool) (advance int, token []byte, err error) {
-		if atEOF && len(data) == 0 {
-			return 0, nil, nil
-		}
-		if i := strings.Index(string(data), "\n\n"); i >= 0 && strings.Index(string(data), ":") >= 0 {
-			return i + 2, data[0:i], nil
-		}
-		if atEOF {
-			return len(data), data, nil
-		}
-		return 0, nil, nil
-	})
-	dataChan := make(chan string)
-	metaChan := make(chan string)
-	stopChan := make(chan bool)
-	go func() {
-		for scanner.Scan() {
-			data := scanner.Text()
-			lines := strings.Split(data, "\n")
-			for i, line := range lines {
-				if len(line) < 5 {
-					continue
-				}
-				if line[:5] == "data:" {
-					dataChan <- line[5:]
-					if i != len(lines)-1 {
-						dataChan <- "\n"
-					}
-				} else if line[:5] == "meta:" {
-					metaChan <- line[5:]
-				}
-			}
-		}
-		stopChan <- true
-	}()
-	setEventStreamHeaders(c)
-	c.Stream(func(w io.Writer) bool {
-		select {
-		case data := <-dataChan:
-			response := streamResponseZhipu2OpenAI(data)
-			jsonResponse, err := json.Marshal(response)
-			if err != nil {
-				common.SysError("error marshalling stream response: " + err.Error())
-				return true
-			}
-			c.Render(-1, common.CustomEvent{Data: "data: " + string(jsonResponse)})
-			return true
-		case data := <-metaChan:
-			var zhipuResponse ZhipuStreamMetaResponse
-			err := json.Unmarshal([]byte(data), &zhipuResponse)
-			if err != nil {
-				common.SysError("error unmarshalling stream response: " + err.Error())
-				return true
-			}
-			response, zhipuUsage := streamMetaResponseZhipu2OpenAI(&zhipuResponse)
-			jsonResponse, err := json.Marshal(response)
-			if err != nil {
-				common.SysError("error marshalling stream response: " + err.Error())
-				return true
-			}
-			usage = zhipuUsage
-			c.Render(-1, common.CustomEvent{Data: "data: " + string(jsonResponse)})
-			return true
-		case <-stopChan:
-			c.Render(-1, common.CustomEvent{Data: "data: [DONE]"})
-			return false
-		}
-	})
-	err := resp.Body.Close()
-	if err != nil {
-		return errorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), nil
-	}
-	return nil, usage
-}
-
-func zhipuHandler(c *gin.Context, resp *http.Response) (*OpenAIErrorWithStatusCode, *Usage) {
-	var zhipuResponse ZhipuResponse
-	responseBody, err := io.ReadAll(resp.Body)
-	if err != nil {
-		return errorWrapper(err, "read_response_body_failed", http.StatusInternalServerError), nil
-	}
-	err = resp.Body.Close()
-	if err != nil {
-		return errorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), nil
-	}
-	err = json.Unmarshal(responseBody, &zhipuResponse)
-	if err != nil {
-		return errorWrapper(err, "unmarshal_response_body_failed", http.StatusInternalServerError), nil
-	}
-	if !zhipuResponse.Success {
-		return &OpenAIErrorWithStatusCode{
-			OpenAIError: OpenAIError{
-				Message: zhipuResponse.Msg,
-				Type:    "zhipu_error",
-				Param:   "",
-				Code:    zhipuResponse.Code,
-			},
-			StatusCode: resp.StatusCode,
-		}, nil
-	}
-	fullTextResponse := responseZhipu2OpenAI(&zhipuResponse)
-	jsonResponse, err := json.Marshal(fullTextResponse)
-	if err != nil {
-		return errorWrapper(err, "marshal_response_body_failed", http.StatusInternalServerError), nil
-	}
-	c.Writer.Header().Set("Content-Type", "application/json")
-	c.Writer.WriteHeader(resp.StatusCode)
-	_, err = c.Writer.Write(jsonResponse)
-	return nil, &fullTextResponse.Usage
-}

controller/relay.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"net/http"
 	"one-api/common"
+	"one-api/types"
 	"strconv"
 	"strings"
 
@@ -234,41 +235,46 @@ type CompletionsStreamResponse struct {
 }
 
 func Relay(c *gin.Context) {
-	relayMode := RelayModeUnknown
+	var err *types.OpenAIErrorWithStatusCode
+
+	// relayMode := RelayModeUnknown
 	if strings.HasPrefix(c.Request.URL.Path, "/v1/chat/completions") {
-		relayMode = RelayModeChatCompletions
+		err = relayChatHelper(c)
+		// relayMode = RelayModeChatCompletions
 	} else if strings.HasPrefix(c.Request.URL.Path, "/v1/completions") {
-		relayMode = RelayModeCompletions
+		err = relayCompletionHelper(c)
+		// relayMode = RelayModeCompletions
 	} else if strings.HasPrefix(c.Request.URL.Path, "/v1/embeddings") {
-		relayMode = RelayModeEmbeddings
+		err = relayEmbeddingsHelper(c)
-	} else if strings.HasSuffix(c.Request.URL.Path, "embeddings") {
-		relayMode = RelayModeEmbeddings
-	} else if strings.HasPrefix(c.Request.URL.Path, "/v1/moderations") {
-		relayMode = RelayModeModerations
-	} else if strings.HasPrefix(c.Request.URL.Path, "/v1/images/generations") {
-		relayMode = RelayModeImagesGenerations
-	} else if strings.HasPrefix(c.Request.URL.Path, "/v1/edits") {
-		relayMode = RelayModeEdits
-	} else if strings.HasPrefix(c.Request.URL.Path, "/v1/audio/speech") {
-		relayMode = RelayModeAudioSpeech
-	} else if strings.HasPrefix(c.Request.URL.Path, "/v1/audio/transcriptions") {
-		relayMode = RelayModeAudioTranscription
-	} else if strings.HasPrefix(c.Request.URL.Path, "/v1/audio/translations") {
-		relayMode = RelayModeAudioTranslation
-	}
-	var err *OpenAIErrorWithStatusCode
-	switch relayMode {
-	case RelayModeImagesGenerations:
-		err = relayImageHelper(c, relayMode)
-	case RelayModeAudioSpeech:
-		fallthrough
-	case RelayModeAudioTranslation:
-		fallthrough
-	case RelayModeAudioTranscription:
-		err = relayAudioHelper(c, relayMode)
-	default:
-		err = relayTextHelper(c, relayMode)
 	}
+	// relayMode = RelayModeEmbeddings
+	// } else if strings.HasSuffix(c.Request.URL.Path, "embeddings") {
+	// 	relayMode = RelayModeEmbeddings
+	// } else if strings.HasPrefix(c.Request.URL.Path, "/v1/moderations") {
+	// 	relayMode = RelayModeModerations
+	// } else if strings.HasPrefix(c.Request.URL.Path, "/v1/images/generations") {
+	// 	relayMode = RelayModeImagesGenerations
+	// } else if strings.HasPrefix(c.Request.URL.Path, "/v1/edits") {
+	// 	relayMode = RelayModeEdits
+	// } else if strings.HasPrefix(c.Request.URL.Path, "/v1/audio/speech") {
+	// 	relayMode = RelayModeAudioSpeech
+	// } else if strings.HasPrefix(c.Request.URL.Path, "/v1/audio/transcriptions") {
+	// 	relayMode = RelayModeAudioTranscription
+	// } else if strings.HasPrefix(c.Request.URL.Path, "/v1/audio/translations") {
+	// 	relayMode = RelayModeAudioTranslation
+	// }
+	// switch relayMode {
+	// case RelayModeImagesGenerations:
+	// 	err = relayImageHelper(c, relayMode)
+	// case RelayModeAudioSpeech:
+	// 	fallthrough
+	// case RelayModeAudioTranslation:
+	// 	fallthrough
+	// case RelayModeAudioTranscription:
+	// 	err = relayAudioHelper(c, relayMode)
+	// default:
+	// 	err = relayTextHelper(c, relayMode)
+	// }
 	if err != nil {
 		requestId := c.GetString(common.RequestIdKey)
 		retryTimesStr := c.Query("retry")

main.go

@@ -3,9 +3,6 @@ package main
 import (
 	"embed"
 	"fmt"
-	"github.com/gin-contrib/sessions"
-	"github.com/gin-contrib/sessions/cookie"
-	"github.com/gin-gonic/gin"
 	"one-api/common"
 	"one-api/controller"
 	"one-api/middleware"
@@ -13,6 +10,10 @@ import (
 	"one-api/router"
 	"os"
 	"strconv"
+
+	"github.com/gin-contrib/sessions"
+	"github.com/gin-contrib/sessions/cookie"
+	"github.com/gin-gonic/gin"
 )
 
 //go:embed web/build
@@ -82,7 +83,7 @@ func main() {
 		common.SysLog("batch update enabled with interval " + strconv.Itoa(common.BatchUpdateInterval) + "s")
 		model.InitBatchUpdater()
 	}
-	controller.InitTokenEncoders()
+	common.InitTokenEncoders()
 
 	// Initialize HTTP server
 	server := gin.New()

middleware/distributor.go

@@ -80,7 +80,8 @@ func Distribute() func(c *gin.Context) {
 		c.Set("channel_id", channel.Id)
 		c.Set("channel_name", channel.Name)
 		c.Set("model_mapping", channel.GetModelMapping())
-		c.Request.Header.Set("Authorization", fmt.Sprintf("Bearer %s", channel.Key))
+		c.Set("api_key", channel.Key)
+		// c.Request.Header.Set("Authorization", fmt.Sprintf("Bearer %s", channel.Key))
 		c.Set("base_url", channel.GetBaseURL())
 		switch channel.Type {
 		case common.ChannelTypeAzure:

model/channel.go

@@ -1,8 +1,9 @@
 package model
 
 import (
-	"gorm.io/gorm"
 	"one-api/common"
+
+	"gorm.io/gorm"
 )
 
 type Channel struct {

providers/ali_base.go

@@ -0,0 +1,50 @@
+package providers
+
+import (
+	"fmt"
+
+	"github.com/gin-gonic/gin"
+)
+
+type AliAIProvider struct {
+	ProviderConfig
+}
+
+type AliError struct {
+	Code      string `json:"code"`
+	Message   string `json:"message"`
+	RequestId string `json:"request_id"`
+}
+
+type AliUsage struct {
+	InputTokens  int `json:"input_tokens"`
+	OutputTokens int `json:"output_tokens"`
+	TotalTokens  int `json:"total_tokens"`
+}
+
+// 创建 AliAIProvider
+// https://dashscope.aliyuncs.com/api/v1/services/aigc/text-generation/generation
+func CreateAliAIProvider(c *gin.Context) *AliAIProvider {
+	return &AliAIProvider{
+		ProviderConfig: ProviderConfig{
+			BaseURL:         "https://dashscope.aliyuncs.com",
+			ChatCompletions: "/api/v1/services/aigc/text-generation/generation",
+			Embeddings:      "/api/v1/services/embeddings/text-embedding/text-embedding",
+			Context:         c,
+		},
+	}
+}
+
+// 获取请求头
+func (p *AliAIProvider) GetRequestHeaders() (headers map[string]string) {
+	headers = make(map[string]string)
+	headers["Authorization"] = fmt.Sprintf("Bearer %s", p.Context.GetString("api_key"))
+
+	headers["Content-Type"] = p.Context.Request.Header.Get("Content-Type")
+	headers["Accept"] = p.Context.Request.Header.Get("Accept")
+	if headers["Content-Type"] == "" {
+		headers["Content-Type"] = "application/json"
+	}
+
+	return headers
+}

providers/ali_chat.go

@@ -0,0 +1,256 @@
+package providers
+
+import (
+	"bufio"
+	"encoding/json"
+	"io"
+	"net/http"
+	"one-api/common"
+	"one-api/types"
+	"strings"
+)
+
+type AliMessage struct {
+	User string `json:"user"`
+	Bot  string `json:"bot"`
+}
+
+type AliInput struct {
+	Prompt  string       `json:"prompt"`
+	History []AliMessage `json:"history"`
+}
+
+type AliParameters struct {
+	TopP         float64 `json:"top_p,omitempty"`
+	TopK         int     `json:"top_k,omitempty"`
+	Seed         uint64  `json:"seed,omitempty"`
+	EnableSearch bool    `json:"enable_search,omitempty"`
+}
+
+type AliChatRequest struct {
+	Model      string        `json:"model"`
+	Input      AliInput      `json:"input"`
+	Parameters AliParameters `json:"parameters,omitempty"`
+}
+
+type AliOutput struct {
+	Text         string `json:"text"`
+	FinishReason string `json:"finish_reason"`
+}
+
+type AliChatResponse struct {
+	Output AliOutput `json:"output"`
+	Usage  AliUsage  `json:"usage"`
+	AliError
+}
+
+func (aliResponse *AliChatResponse) requestHandler(resp *http.Response) (OpenAIResponse any, openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode) {
+	if aliResponse.Code != "" {
+		return nil, &types.OpenAIErrorWithStatusCode{
+			OpenAIError: types.OpenAIError{
+				Message: aliResponse.Message,
+				Type:    aliResponse.Code,
+				Param:   aliResponse.RequestId,
+				Code:    aliResponse.Code,
+			},
+			StatusCode: resp.StatusCode,
+		}
+	}
+
+	choice := types.ChatCompletionChoice{
+		Index: 0,
+		Message: types.ChatCompletionMessage{
+			Role:    "assistant",
+			Content: aliResponse.Output.Text,
+		},
+		FinishReason: aliResponse.Output.FinishReason,
+	}
+
+	fullTextResponse := types.ChatCompletionResponse{
+		ID:      aliResponse.RequestId,
+		Object:  "chat.completion",
+		Created: common.GetTimestamp(),
+		Choices: []types.ChatCompletionChoice{choice},
+		Usage: &types.Usage{
+			PromptTokens:     aliResponse.Usage.InputTokens,
+			CompletionTokens: aliResponse.Usage.OutputTokens,
+			TotalTokens:      aliResponse.Usage.InputTokens + aliResponse.Usage.OutputTokens,
+		},
+	}
+
+	return fullTextResponse, nil
+}
+
+func (p *AliAIProvider) getChatRequestBody(request *types.ChatCompletionRequest) *AliChatRequest {
+	messages := make([]AliMessage, 0, len(request.Messages))
+	prompt := ""
+	for i := 0; i < len(request.Messages); i++ {
+		message := request.Messages[i]
+		if message.Role == "system" {
+			messages = append(messages, AliMessage{
+				User: message.StringContent(),
+				Bot:  "Okay",
+			})
+			continue
+		} else {
+			if i == len(request.Messages)-1 {
+				prompt = message.StringContent()
+				break
+			}
+			messages = append(messages, AliMessage{
+				User: message.StringContent(),
+				Bot:  request.Messages[i+1].StringContent(),
+			})
+			i++
+		}
+	}
+	return &AliChatRequest{
+		Model: request.Model,
+		Input: AliInput{
+			Prompt:  prompt,
+			History: messages,
+		},
+	}
+}
+
+func (p *AliAIProvider) ChatCompleteResponse(request *types.ChatCompletionRequest, isModelMapped bool, promptTokens int) (usage *types.Usage, openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode) {
+
+	requestBody := p.getChatRequestBody(request)
+	fullRequestURL := p.GetFullRequestURL(p.ChatCompletions, request.Model)
+	headers := p.GetRequestHeaders()
+	if request.Stream {
+		headers["Accept"] = "text/event-stream"
+		headers["X-DashScope-SSE"] = "enable"
+	}
+
+	client := common.NewClient()
+	req, err := client.NewRequest(p.Context.Request.Method, fullRequestURL, common.WithBody(requestBody), common.WithHeader(headers))
+	if err != nil {
+		return nil, types.ErrorWrapper(err, "new_request_failed", http.StatusInternalServerError)
+	}
+
+	if request.Stream {
+		openAIErrorWithStatusCode, usage = p.sendStreamRequest(req)
+		if openAIErrorWithStatusCode != nil {
+			return
+		}
+
+		if usage == nil {
+			usage = &types.Usage{
+				PromptTokens:     0,
+				CompletionTokens: 0,
+				TotalTokens:      0,
+			}
+		}
+
+	} else {
+		aliResponse := &AliChatResponse{}
+		openAIErrorWithStatusCode = p.sendRequest(req, aliResponse)
+		if openAIErrorWithStatusCode != nil {
+			return
+		}
+
+		usage = &types.Usage{
+			PromptTokens:     aliResponse.Usage.InputTokens,
+			CompletionTokens: aliResponse.Usage.OutputTokens,
+			TotalTokens:      aliResponse.Usage.InputTokens + aliResponse.Usage.OutputTokens,
+		}
+	}
+	return
+}
+
+func (p *AliAIProvider) streamResponseAli2OpenAI(aliResponse *AliChatResponse) *types.ChatCompletionStreamResponse {
+	var choice types.ChatCompletionStreamChoice
+	choice.Delta.Content = aliResponse.Output.Text
+	if aliResponse.Output.FinishReason != "null" {
+		finishReason := aliResponse.Output.FinishReason
+		choice.FinishReason = &finishReason
+	}
+
+	response := types.ChatCompletionStreamResponse{
+		ID:      aliResponse.RequestId,
+		Object:  "chat.completion.chunk",
+		Created: common.GetTimestamp(),
+		Model:   "ernie-bot",
+		Choices: []types.ChatCompletionStreamChoice{choice},
+	}
+	return &response
+}
+
+func (p *AliAIProvider) sendStreamRequest(req *http.Request) (openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode, usage *types.Usage) {
+	usage = &types.Usage{}
+	// 发送请求
+	resp, err := common.HttpClient.Do(req)
+	if err != nil {
+		return types.ErrorWrapper(err, "http_request_failed", http.StatusInternalServerError), nil
+	}
+
+	if common.IsFailureStatusCode(resp) {
+		return p.handleErrorResp(resp), nil
+	}
+
+	defer resp.Body.Close()
+
+	scanner := bufio.NewScanner(resp.Body)
+	scanner.Split(func(data []byte, atEOF bool) (advance int, token []byte, err error) {
+		if atEOF && len(data) == 0 {
+			return 0, nil, nil
+		}
+		if i := strings.Index(string(data), "\n"); i >= 0 {
+			return i + 1, data[0:i], nil
+		}
+		if atEOF {
+			return len(data), data, nil
+		}
+		return 0, nil, nil
+	})
+	dataChan := make(chan string)
+	stopChan := make(chan bool)
+	go func() {
+		for scanner.Scan() {
+			data := scanner.Text()
+			if len(data) < 5 { // ignore blank line or wrong format
+				continue
+			}
+			if data[:5] != "data:" {
+				continue
+			}
+			data = data[5:]
+			dataChan <- data
+		}
+		stopChan <- true
+	}()
+	setEventStreamHeaders(p.Context)
+	lastResponseText := ""
+	p.Context.Stream(func(w io.Writer) bool {
+		select {
+		case data := <-dataChan:
+			var aliResponse AliChatResponse
+			err := json.Unmarshal([]byte(data), &aliResponse)
+			if err != nil {
+				common.SysError("error unmarshalling stream response: " + err.Error())
+				return true
+			}
+			if aliResponse.Usage.OutputTokens != 0 {
+				usage.PromptTokens = aliResponse.Usage.InputTokens
+				usage.CompletionTokens = aliResponse.Usage.OutputTokens
+				usage.TotalTokens = aliResponse.Usage.InputTokens + aliResponse.Usage.OutputTokens
+			}
+			response := p.streamResponseAli2OpenAI(&aliResponse)
+			response.Choices[0].Delta.Content = strings.TrimPrefix(response.Choices[0].Delta.Content, lastResponseText)
+			lastResponseText = aliResponse.Output.Text
+			jsonResponse, err := json.Marshal(response)
+			if err != nil {
+				common.SysError("error marshalling stream response: " + err.Error())
+				return true
+			}
+			p.Context.Render(-1, common.CustomEvent{Data: "data: " + string(jsonResponse)})
+			return true
+		case <-stopChan:
+			p.Context.Render(-1, common.CustomEvent{Data: "data: [DONE]"})
+			return false
+		}
+	})
+
+	return nil, usage
+}

providers/ali_embeddings.go

@@ -0,0 +1,94 @@
+package providers
+
+import (
+	"net/http"
+	"one-api/common"
+	"one-api/types"
+)
+
+type AliEmbeddingRequest struct {
+	Model string `json:"model"`
+	Input struct {
+		Texts []string `json:"texts"`
+	} `json:"input"`
+	Parameters *struct {
+		TextType string `json:"text_type,omitempty"`
+	} `json:"parameters,omitempty"`
+}
+
+type AliEmbedding struct {
+	Embedding []float64 `json:"embedding"`
+	TextIndex int       `json:"text_index"`
+}
+
+type AliEmbeddingResponse struct {
+	Output struct {
+		Embeddings []AliEmbedding `json:"embeddings"`
+	} `json:"output"`
+	Usage AliUsage `json:"usage"`
+	AliError
+}
+
+func (aliResponse *AliEmbeddingResponse) requestHandler(resp *http.Response) (OpenAIResponse any, openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode) {
+	if aliResponse.Code != "" {
+		return nil, &types.OpenAIErrorWithStatusCode{
+			OpenAIError: types.OpenAIError{
+				Message: aliResponse.Message,
+				Type:    aliResponse.Code,
+				Param:   aliResponse.RequestId,
+				Code:    aliResponse.Code,
+			},
+			StatusCode: resp.StatusCode,
+		}
+	}
+
+	openAIEmbeddingResponse := &types.EmbeddingResponse{
+		Object: "list",
+		Data:   make([]types.Embedding, 0, len(aliResponse.Output.Embeddings)),
+		Model:  "text-embedding-v1",
+		Usage:  &types.Usage{TotalTokens: aliResponse.Usage.TotalTokens},
+	}
+
+	for _, item := range aliResponse.Output.Embeddings {
+		openAIEmbeddingResponse.Data = append(openAIEmbeddingResponse.Data, types.Embedding{
+			Object:    `embedding`,
+			Index:     item.TextIndex,
+			Embedding: item.Embedding,
+		})
+	}
+
+	return openAIEmbeddingResponse, nil
+}
+
+func (p *AliAIProvider) getEmbeddingsRequestBody(request *types.EmbeddingRequest) *AliEmbeddingRequest {
+	return &AliEmbeddingRequest{
+		Model: "text-embedding-v1",
+		Input: struct {
+			Texts []string `json:"texts"`
+		}{
+			Texts: request.ParseInput(),
+		},
+	}
+}
+
+func (p *AliAIProvider) EmbeddingsResponse(request *types.EmbeddingRequest, isModelMapped bool, promptTokens int) (usage *types.Usage, openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode) {
+
+	requestBody := p.getEmbeddingsRequestBody(request)
+	fullRequestURL := p.GetFullRequestURL(p.Embeddings, request.Model)
+	headers := p.GetRequestHeaders()
+
+	client := common.NewClient()
+	req, err := client.NewRequest(p.Context.Request.Method, fullRequestURL, common.WithBody(requestBody), common.WithHeader(headers))
+	if err != nil {
+		return nil, types.ErrorWrapper(err, "new_request_failed", http.StatusInternalServerError)
+	}
+
+	aliEmbeddingResponse := &AliEmbeddingResponse{}
+	openAIErrorWithStatusCode = p.sendRequest(req, aliEmbeddingResponse)
+	if openAIErrorWithStatusCode != nil {
+		return
+	}
+	usage = &types.Usage{TotalTokens: aliEmbeddingResponse.Usage.TotalTokens}
+
+	return usage, nil
+}

providers/api2d_base.go

@@ -0,0 +1,14 @@
+package providers
+
+import "github.com/gin-gonic/gin"
+
+type Api2dProvider struct {
+	*OpenAIProvider
+}
+
+// 创建 OpenAIProvider
+func CreateApi2dProvider(c *gin.Context) *Api2dProvider {
+	return &Api2dProvider{
+		OpenAIProvider: CreateOpenAIProvider(c, "https://oa.api2d.net"),
+	}
+}

providers/azure_base.go

@@ -0,0 +1,41 @@
+package providers
+
+import (
+	"github.com/gin-gonic/gin"
+)
+
+type AzureProvider struct {
+	OpenAIProvider
+}
+
+// 创建 OpenAIProvider
+func CreateAzureProvider(c *gin.Context) *AzureProvider {
+	return &AzureProvider{
+		OpenAIProvider: OpenAIProvider{
+			ProviderConfig: ProviderConfig{
+				BaseURL:             "",
+				Completions:         "/completions",
+				ChatCompletions:     "/chat/completions",
+				Embeddings:          "/embeddings",
+				AudioSpeech:         "/audio/speech",
+				AudioTranscriptions: "/audio/transcriptions",
+				AudioTranslations:   "/audio/translations",
+				Context:             c,
+			},
+			isAzure: true,
+		},
+	}
+}
+
+// // 获取完整请求 URL
+// func (p *AzureProvider) GetFullRequestURL(requestURL string, modelName string) string {
+// 	apiVersion := p.Context.GetString("api_version")
+// 	requestURL = fmt.Sprintf("/openai/deployments/%s/%s?api-version=%s", modelName, requestURL, apiVersion)
+// 	baseURL := strings.TrimSuffix(p.GetBaseURL(), "/")
+
+// 	if strings.HasPrefix(baseURL, "https://gateway.ai.cloudflare.com") {
+// 		requestURL = strings.TrimPrefix(requestURL, "/openai/deployments")
+// 	}
+
+// 	return fmt.Sprintf("%s%s", baseURL, requestURL)
+// }

providers/baidu_base.go

@@ -0,0 +1,136 @@
+package providers
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"one-api/common"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/gin-gonic/gin"
+)
+
+var baiduTokenStore sync.Map
+
+type BaiduProvider struct {
+	ProviderConfig
+}
+
+type BaiduAccessToken struct {
+	AccessToken      string    `json:"access_token"`
+	Error            string    `json:"error,omitempty"`
+	ErrorDescription string    `json:"error_description,omitempty"`
+	ExpiresIn        int64     `json:"expires_in,omitempty"`
+	ExpiresAt        time.Time `json:"-"`
+}
+
+func CreateBaiduProvider(c *gin.Context) *BaiduProvider {
+	return &BaiduProvider{
+		ProviderConfig: ProviderConfig{
+			BaseURL:         "https://aip.baidubce.com",
+			ChatCompletions: "/rpc/2.0/ai_custom/v1/wenxinworkshop/chat",
+			Embeddings:      "/rpc/2.0/ai_custom/v1/wenxinworkshop/embeddings",
+			Context:         c,
+		},
+	}
+}
+
+// 获取完整请求 URL
+func (p *BaiduProvider) GetFullRequestURL(requestURL string, modelName string) string {
+	var modelNameMap = map[string]string{
+		"ERNIE-Bot":       "completions",
+		"ERNIE-Bot-turbo": "eb-instant",
+		"ERNIE-Bot-4":     "completions_pro",
+		"BLOOMZ-7B":       "bloomz_7b1",
+		"Embedding-V1":    "embedding-v1",
+	}
+
+	baseURL := strings.TrimSuffix(p.GetBaseURL(), "/")
+	apiKey, err := p.getBaiduAccessToken()
+	if err != nil {
+		return ""
+	}
+
+	return fmt.Sprintf("%s%s/%s?access_token=%s", baseURL, requestURL, modelNameMap[modelName], apiKey)
+}
+
+// 获取请求头
+func (p *BaiduProvider) GetRequestHeaders() (headers map[string]string) {
+	headers = make(map[string]string)
+
+	headers["Content-Type"] = p.Context.Request.Header.Get("Content-Type")
+	headers["Accept"] = p.Context.Request.Header.Get("Accept")
+	if headers["Content-Type"] == "" {
+		headers["Content-Type"] = "application/json"
+	}
+
+	return headers
+}
+
+func (p *BaiduProvider) getBaiduAccessToken() (string, error) {
+	apiKey := p.Context.GetString("api_key")
+	if val, ok := baiduTokenStore.Load(apiKey); ok {
+		var accessToken BaiduAccessToken
+		if accessToken, ok = val.(BaiduAccessToken); ok {
+			// soon this will expire
+			if time.Now().Add(time.Hour).After(accessToken.ExpiresAt) {
+				go func() {
+					_, _ = p.getBaiduAccessTokenHelper(apiKey)
+				}()
+			}
+			return accessToken.AccessToken, nil
+		}
+	}
+	accessToken, err := p.getBaiduAccessTokenHelper(apiKey)
+	if err != nil {
+		return "", err
+	}
+	if accessToken == nil {
+		return "", errors.New("getBaiduAccessToken return a nil token")
+	}
+	return (*accessToken).AccessToken, nil
+}
+
+func (p *BaiduProvider) getBaiduAccessTokenHelper(apiKey string) (*BaiduAccessToken, error) {
+	parts := strings.Split(apiKey, "|")
+	if len(parts) != 2 {
+		return nil, errors.New("invalid baidu apikey")
+	}
+
+	client := common.NewClient()
+	url := fmt.Sprintf(p.BaseURL+"/oauth/2.0/token?grant_type=client_credentials&client_id=%s&client_secret=%s", parts[0], parts[1])
+
+	var headers = map[string]string{
+		"Content-Type": "application/json",
+		"Accept":       "application/json",
+	}
+
+	req, err := client.NewRequest("POST", url, common.WithHeader(headers))
+	if err != nil {
+		return nil, err
+	}
+
+	resp, err := common.HttpClient.Do(req)
+	if err != nil {
+		return nil, err
+	}
+
+	defer resp.Body.Close()
+
+	var accessToken BaiduAccessToken
+	err = json.NewDecoder(resp.Body).Decode(&accessToken)
+	if err != nil {
+		return nil, err
+	}
+	if accessToken.Error != "" {
+		return nil, errors.New(accessToken.Error + ": " + accessToken.ErrorDescription)
+	}
+	if accessToken.AccessToken == "" {
+		return nil, errors.New("getBaiduAccessTokenHelper get empty access token")
+	}
+	accessToken.ExpiresAt = time.Now().Add(time.Duration(accessToken.ExpiresIn) * time.Second)
+	baiduTokenStore.Store(apiKey, accessToken)
+	return &accessToken, nil
+}

providers/baidu_chat.go

@@ -0,0 +1,228 @@
+package providers
+
+import (
+	"bufio"
+	"encoding/json"
+	"io"
+	"net/http"
+	"one-api/common"
+	"one-api/types"
+	"strings"
+)
+
+type BaiduMessage struct {
+	Role    string `json:"role"`
+	Content string `json:"content"`
+}
+
+type BaiduChatRequest struct {
+	Messages []BaiduMessage `json:"messages"`
+	Stream   bool           `json:"stream"`
+	UserId   string         `json:"user_id,omitempty"`
+}
+
+type BaiduChatResponse struct {
+	Id               string       `json:"id"`
+	Object           string       `json:"object"`
+	Created          int64        `json:"created"`
+	Result           string       `json:"result"`
+	IsTruncated      bool         `json:"is_truncated"`
+	NeedClearHistory bool         `json:"need_clear_history"`
+	Usage            *types.Usage `json:"usage"`
+	BaiduError
+}
+
+func (baiduResponse *BaiduChatResponse) requestHandler(resp *http.Response) (OpenAIResponse any, openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode) {
+	if baiduResponse.ErrorMsg != "" {
+		return nil, &types.OpenAIErrorWithStatusCode{
+			OpenAIError: types.OpenAIError{
+				Message: baiduResponse.ErrorMsg,
+				Type:    "baidu_error",
+				Param:   "",
+				Code:    baiduResponse.ErrorCode,
+			},
+			StatusCode: resp.StatusCode,
+		}
+	}
+
+	choice := types.ChatCompletionChoice{
+		Index: 0,
+		Message: types.ChatCompletionMessage{
+			Role:    "assistant",
+			Content: baiduResponse.Result,
+		},
+		FinishReason: "stop",
+	}
+
+	fullTextResponse := types.ChatCompletionResponse{
+		ID:      baiduResponse.Id,
+		Object:  "chat.completion",
+		Created: baiduResponse.Created,
+		Choices: []types.ChatCompletionChoice{choice},
+		Usage:   baiduResponse.Usage,
+	}
+
+	return fullTextResponse, nil
+}
+
+type BaiduChatStreamResponse struct {
+	BaiduChatResponse
+	SentenceId int  `json:"sentence_id"`
+	IsEnd      bool `json:"is_end"`
+}
+
+type BaiduError struct {
+	ErrorCode int    `json:"error_code"`
+	ErrorMsg  string `json:"error_msg"`
+}
+
+func (p *BaiduProvider) getChatRequestBody(request *types.ChatCompletionRequest) *BaiduChatRequest {
+	messages := make([]BaiduMessage, 0, len(request.Messages))
+	for _, message := range request.Messages {
+		if message.Role == "system" {
+			messages = append(messages, BaiduMessage{
+				Role:    "user",
+				Content: message.StringContent(),
+			})
+			messages = append(messages, BaiduMessage{
+				Role:    "assistant",
+				Content: "Okay",
+			})
+		} else {
+			messages = append(messages, BaiduMessage{
+				Role:    message.Role,
+				Content: message.StringContent(),
+			})
+		}
+	}
+	return &BaiduChatRequest{
+		Messages: messages,
+		Stream:   request.Stream,
+	}
+}
+
+func (p *BaiduProvider) ChatCompleteResponse(request *types.ChatCompletionRequest, isModelMapped bool, promptTokens int) (usage *types.Usage, openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode) {
+	requestBody := p.getChatRequestBody(request)
+	fullRequestURL := p.GetFullRequestURL(p.ChatCompletions, request.Model)
+	if fullRequestURL == "" {
+		return nil, types.ErrorWrapper(nil, "invalid_baidu_config", http.StatusInternalServerError)
+	}
+
+	headers := p.GetRequestHeaders()
+	if request.Stream {
+		headers["Accept"] = "text/event-stream"
+	}
+
+	client := common.NewClient()
+	req, err := client.NewRequest(p.Context.Request.Method, fullRequestURL, common.WithBody(requestBody), common.WithHeader(headers))
+	if err != nil {
+		return nil, types.ErrorWrapper(err, "new_request_failed", http.StatusInternalServerError)
+	}
+
+	if request.Stream {
+		openAIErrorWithStatusCode, usage = p.sendStreamRequest(req)
+		if openAIErrorWithStatusCode != nil {
+			return
+		}
+
+	} else {
+		baiduChatRequest := &BaiduChatResponse{}
+		openAIErrorWithStatusCode = p.sendRequest(req, baiduChatRequest)
+		if openAIErrorWithStatusCode != nil {
+			return
+		}
+
+		usage = baiduChatRequest.Usage
+	}
+	return
+
+}
+
+func (p *BaiduProvider) streamResponseBaidu2OpenAI(baiduResponse *BaiduChatStreamResponse) *types.ChatCompletionStreamResponse {
+	var choice types.ChatCompletionStreamChoice
+	choice.Delta.Content = baiduResponse.Result
+	if baiduResponse.IsEnd {
+		choice.FinishReason = &stopFinishReason
+	}
+
+	response := types.ChatCompletionStreamResponse{
+		ID:      baiduResponse.Id,
+		Object:  "chat.completion.chunk",
+		Created: baiduResponse.Created,
+		Model:   "ernie-bot",
+		Choices: []types.ChatCompletionStreamChoice{choice},
+	}
+	return &response
+}
+
+func (p *BaiduProvider) sendStreamRequest(req *http.Request) (openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode, usage *types.Usage) {
+	usage = &types.Usage{}
+	// 发送请求
+	resp, err := common.HttpClient.Do(req)
+	if err != nil {
+		return types.ErrorWrapper(err, "http_request_failed", http.StatusInternalServerError), nil
+	}
+
+	if common.IsFailureStatusCode(resp) {
+		return p.handleErrorResp(resp), nil
+	}
+
+	defer resp.Body.Close()
+
+	scanner := bufio.NewScanner(resp.Body)
+	scanner.Split(func(data []byte, atEOF bool) (advance int, token []byte, err error) {
+		if atEOF && len(data) == 0 {
+			return 0, nil, nil
+		}
+		if i := strings.Index(string(data), "\n"); i >= 0 {
+			return i + 1, data[0:i], nil
+		}
+		if atEOF {
+			return len(data), data, nil
+		}
+		return 0, nil, nil
+	})
+	dataChan := make(chan string)
+	stopChan := make(chan bool)
+	go func() {
+		for scanner.Scan() {
+			data := scanner.Text()
+			if len(data) < 6 { // ignore blank line or wrong format
+				continue
+			}
+			data = data[6:]
+			dataChan <- data
+		}
+		stopChan <- true
+	}()
+	setEventStreamHeaders(p.Context)
+	p.Context.Stream(func(w io.Writer) bool {
+		select {
+		case data := <-dataChan:
+			var baiduResponse BaiduChatStreamResponse
+			err := json.Unmarshal([]byte(data), &baiduResponse)
+			if err != nil {
+				common.SysError("error unmarshalling stream response: " + err.Error())
+				return true
+			}
+			if baiduResponse.Usage.TotalTokens != 0 {
+				usage.TotalTokens = baiduResponse.Usage.TotalTokens
+				usage.PromptTokens = baiduResponse.Usage.PromptTokens
+				usage.CompletionTokens = baiduResponse.Usage.TotalTokens - baiduResponse.Usage.PromptTokens
+			}
+			response := p.streamResponseBaidu2OpenAI(&baiduResponse)
+			jsonResponse, err := json.Marshal(response)
+			if err != nil {
+				common.SysError("error marshalling stream response: " + err.Error())
+				return true
+			}
+			p.Context.Render(-1, common.CustomEvent{Data: "data: " + string(jsonResponse)})
+			return true
+		case <-stopChan:
+			p.Context.Render(-1, common.CustomEvent{Data: "data: [DONE]"})
+			return false
+		}
+	})
+
+	return nil, usage
+}

providers/baidu_embeddings.go

@@ -0,0 +1,88 @@
+package providers
+
+import (
+	"net/http"
+	"one-api/common"
+	"one-api/types"
+)
+
+type BaiduEmbeddingRequest struct {
+	Input []string `json:"input"`
+}
+
+type BaiduEmbeddingData struct {
+	Object    string    `json:"object"`
+	Embedding []float64 `json:"embedding"`
+	Index     int       `json:"index"`
+}
+
+type BaiduEmbeddingResponse struct {
+	Id      string               `json:"id"`
+	Object  string               `json:"object"`
+	Created int64                `json:"created"`
+	Data    []BaiduEmbeddingData `json:"data"`
+	Usage   types.Usage          `json:"usage"`
+	BaiduError
+}
+
+func (p *BaiduProvider) getEmbeddingsRequestBody(request *types.EmbeddingRequest) *BaiduEmbeddingRequest {
+	return &BaiduEmbeddingRequest{
+		Input: request.ParseInput(),
+	}
+}
+
+func (baiduResponse *BaiduEmbeddingResponse) requestHandler(resp *http.Response) (OpenAIResponse any, openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode) {
+	if baiduResponse.ErrorMsg != "" {
+		return nil, &types.OpenAIErrorWithStatusCode{
+			OpenAIError: types.OpenAIError{
+				Message: baiduResponse.ErrorMsg,
+				Type:    "baidu_error",
+				Param:   "",
+				Code:    baiduResponse.ErrorCode,
+			},
+			StatusCode: resp.StatusCode,
+		}
+	}
+
+	openAIEmbeddingResponse := &types.EmbeddingResponse{
+		Object: "list",
+		Data:   make([]types.Embedding, 0, len(baiduResponse.Data)),
+		Model:  "text-embedding-v1",
+		Usage:  &baiduResponse.Usage,
+	}
+
+	for _, item := range baiduResponse.Data {
+		openAIEmbeddingResponse.Data = append(openAIEmbeddingResponse.Data, types.Embedding{
+			Object:    item.Object,
+			Index:     item.Index,
+			Embedding: item.Embedding,
+		})
+	}
+
+	return openAIEmbeddingResponse, nil
+}
+
+func (p *BaiduProvider) EmbeddingsResponse(request *types.EmbeddingRequest, isModelMapped bool, promptTokens int) (usage *types.Usage, openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode) {
+
+	requestBody := p.getEmbeddingsRequestBody(request)
+	fullRequestURL := p.GetFullRequestURL(p.Embeddings, request.Model)
+	if fullRequestURL == "" {
+		return nil, types.ErrorWrapper(nil, "invalid_baidu_config", http.StatusInternalServerError)
+	}
+
+	headers := p.GetRequestHeaders()
+	client := common.NewClient()
+	req, err := client.NewRequest(p.Context.Request.Method, fullRequestURL, common.WithBody(requestBody), common.WithHeader(headers))
+	if err != nil {
+		return nil, types.ErrorWrapper(err, "new_request_failed", http.StatusInternalServerError)
+	}
+
+	baiduEmbeddingResponse := &BaiduEmbeddingResponse{}
+	openAIErrorWithStatusCode = p.sendRequest(req, baiduEmbeddingResponse)
+	if openAIErrorWithStatusCode != nil {
+		return
+	}
+	usage = &baiduEmbeddingResponse.Usage
+
+	return usage, nil
+}

providers/base.go

@@ -0,0 +1,150 @@
+package providers
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"one-api/common"
+	"one-api/model"
+	"one-api/types"
+	"strconv"
+	"strings"
+
+	"github.com/gin-gonic/gin"
+)
+
+var stopFinishReason = "stop"
+
+type ProviderConfig struct {
+	BaseURL             string
+	Completions         string
+	ChatCompletions     string
+	Embeddings          string
+	AudioSpeech         string
+	AudioTranscriptions string
+	AudioTranslations   string
+	Proxy               string
+	Context             *gin.Context
+}
+
+type BaseProviderAction interface {
+	GetBaseURL() string
+	GetFullRequestURL(requestURL string, modelName string) string
+	GetRequestHeaders() (headers map[string]string)
+}
+
+type CompletionProviderAction interface {
+	BaseProviderAction
+	CompleteResponse(request *types.CompletionRequest, isModelMapped bool, promptTokens int) (usage *types.Usage, openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode)
+}
+
+type ChatProviderAction interface {
+	BaseProviderAction
+	ChatCompleteResponse(request *types.ChatCompletionRequest, isModelMapped bool, promptTokens int) (usage *types.Usage, openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode)
+}
+
+type EmbeddingsProviderAction interface {
+	BaseProviderAction
+	EmbeddingsResponse(request *types.EmbeddingRequest, isModelMapped bool, promptTokens int) (usage *types.Usage, openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode)
+}
+
+type BalanceProviderAction interface {
+	Balance(channel *model.Channel) (float64, error)
+}
+
+func (p *ProviderConfig) GetBaseURL() string {
+	if p.Context.GetString("base_url") != "" {
+		return p.Context.GetString("base_url")
+	}
+
+	return p.BaseURL
+}
+
+func (p *ProviderConfig) GetFullRequestURL(requestURL string, modelName string) string {
+	baseURL := strings.TrimSuffix(p.GetBaseURL(), "/")
+
+	return fmt.Sprintf("%s%s", baseURL, requestURL)
+}
+
+func setEventStreamHeaders(c *gin.Context) {
+	c.Writer.Header().Set("Content-Type", "text/event-stream")
+	c.Writer.Header().Set("Cache-Control", "no-cache")
+	c.Writer.Header().Set("Connection", "keep-alive")
+	c.Writer.Header().Set("Transfer-Encoding", "chunked")
+	c.Writer.Header().Set("X-Accel-Buffering", "no")
+}
+
+func (p *ProviderConfig) handleErrorResp(resp *http.Response) (openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode) {
+	openAIErrorWithStatusCode = &types.OpenAIErrorWithStatusCode{
+		StatusCode: resp.StatusCode,
+		OpenAIError: types.OpenAIError{
+			Message: fmt.Sprintf("bad response status code %d", resp.StatusCode),
+			Type:    "upstream_error",
+			Code:    "bad_response_status_code",
+			Param:   strconv.Itoa(resp.StatusCode),
+		},
+	}
+	responseBody, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return
+	}
+	err = resp.Body.Close()
+	if err != nil {
+		return
+	}
+	var errorResponse types.OpenAIErrorResponse
+	err = json.Unmarshal(responseBody, &errorResponse)
+	if err != nil {
+		return
+	}
+	if errorResponse.Error.Type != "" {
+		openAIErrorWithStatusCode.OpenAIError = errorResponse.Error
+	} else {
+		openAIErrorWithStatusCode.OpenAIError.Message = string(responseBody)
+	}
+	return
+}
+
+// 供应商响应处理函数
+type ProviderResponseHandler interface {
+	// 请求处理函数
+	requestHandler(resp *http.Response) (OpenAIResponse any, openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode)
+}
+
+// 发送请求
+func (p *ProviderConfig) sendRequest(req *http.Request, response ProviderResponseHandler) (openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode) {
+
+	// 发送请求
+	resp, err := common.HttpClient.Do(req)
+	if err != nil {
+		return types.ErrorWrapper(err, "http_request_failed", http.StatusInternalServerError)
+	}
+
+	defer resp.Body.Close()
+
+	// 处理响应
+	if common.IsFailureStatusCode(resp) {
+		return p.handleErrorResp(resp)
+	}
+
+	// 解析响应
+	err = common.DecodeResponse(resp.Body, response)
+	if err != nil {
+		return types.ErrorWrapper(err, "decode_response_failed", http.StatusInternalServerError)
+	}
+
+	openAIResponse, openAIErrorWithStatusCode := response.requestHandler(resp)
+	if openAIErrorWithStatusCode != nil {
+		return
+	}
+
+	jsonResponse, err := json.Marshal(openAIResponse)
+	if err != nil {
+		return types.ErrorWrapper(err, "marshal_response_body_failed", http.StatusInternalServerError)
+	}
+	p.Context.Writer.Header().Set("Content-Type", "application/json")
+	p.Context.Writer.WriteHeader(resp.StatusCode)
+	_, err = p.Context.Writer.Write(jsonResponse)
+	return nil
+}

providers/claude_base.go

@@ -0,0 +1,55 @@
+package providers
+
+import (
+	"github.com/gin-gonic/gin"
+)
+
+type ClaudeProvider struct {
+	ProviderConfig
+}
+
+type ClaudeError struct {
+	Type    string `json:"type"`
+	Message string `json:"message"`
+}
+
+func CreateClaudeProvider(c *gin.Context) *ClaudeProvider {
+	return &ClaudeProvider{
+		ProviderConfig: ProviderConfig{
+			BaseURL:         "https://api.anthropic.com",
+			ChatCompletions: "/v1/complete",
+			Context:         c,
+		},
+	}
+}
+
+// 获取请求头
+func (p *ClaudeProvider) GetRequestHeaders() (headers map[string]string) {
+	headers = make(map[string]string)
+
+	headers["x-api-key"] = p.Context.GetString("api_key")
+	headers["Content-Type"] = p.Context.Request.Header.Get("Content-Type")
+	headers["Accept"] = p.Context.Request.Header.Get("Accept")
+	if headers["Content-Type"] == "" {
+		headers["Content-Type"] = "application/json"
+	}
+
+	anthropicVersion := p.Context.Request.Header.Get("anthropic-version")
+	if anthropicVersion == "" {
+		anthropicVersion = "2023-06-01"
+	}
+	headers["anthropic-version"] = anthropicVersion
+
+	return headers
+}
+
+func stopReasonClaude2OpenAI(reason string) string {
+	switch reason {
+	case "stop_sequence":
+		return "stop"
+	case "max_tokens":
+		return "length"
+	default:
+		return reason
+	}
+}

providers/claude_chat.go

@@ -0,0 +1,232 @@
+package providers
+
+import (
+	"bufio"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"one-api/common"
+	"one-api/types"
+	"strings"
+)
+
+type ClaudeMetadata struct {
+	UserId string `json:"user_id"`
+}
+
+type ClaudeRequest struct {
+	Model             string   `json:"model"`
+	Prompt            string   `json:"prompt"`
+	MaxTokensToSample int      `json:"max_tokens_to_sample"`
+	StopSequences     []string `json:"stop_sequences,omitempty"`
+	Temperature       float64  `json:"temperature,omitempty"`
+	TopP              float64  `json:"top_p,omitempty"`
+	TopK              int      `json:"top_k,omitempty"`
+	//ClaudeMetadata    `json:"metadata,omitempty"`
+	Stream bool `json:"stream,omitempty"`
+}
+
+type ClaudeResponse struct {
+	Completion string       `json:"completion"`
+	StopReason string       `json:"stop_reason"`
+	Model      string       `json:"model"`
+	Error      ClaudeError  `json:"error"`
+	Usage      *types.Usage `json:"usage,omitempty"`
+}
+
+func (claudeResponse *ClaudeResponse) requestHandler(resp *http.Response) (OpenAIResponse any, openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode) {
+	if claudeResponse.Error.Type != "" {
+		return nil, &types.OpenAIErrorWithStatusCode{
+			OpenAIError: types.OpenAIError{
+				Message: claudeResponse.Error.Message,
+				Type:    claudeResponse.Error.Type,
+				Param:   "",
+				Code:    claudeResponse.Error.Type,
+			},
+			StatusCode: resp.StatusCode,
+		}
+	}
+
+	choice := types.ChatCompletionChoice{
+		Index: 0,
+		Message: types.ChatCompletionMessage{
+			Role:    "assistant",
+			Content: strings.TrimPrefix(claudeResponse.Completion, " "),
+			Name:    nil,
+		},
+		FinishReason: stopReasonClaude2OpenAI(claudeResponse.StopReason),
+	}
+	fullTextResponse := types.ChatCompletionResponse{
+		ID:      fmt.Sprintf("chatcmpl-%s", common.GetUUID()),
+		Object:  "chat.completion",
+		Created: common.GetTimestamp(),
+		Choices: []types.ChatCompletionChoice{choice},
+	}
+
+	completionTokens := common.CountTokenText(claudeResponse.Completion, claudeResponse.Model)
+	claudeResponse.Usage.CompletionTokens = completionTokens
+	claudeResponse.Usage.TotalTokens = claudeResponse.Usage.PromptTokens + completionTokens
+
+	fullTextResponse.Usage = claudeResponse.Usage
+
+	return fullTextResponse, nil
+}
+
+func (p *ClaudeProvider) getChatRequestBody(request *types.ChatCompletionRequest) (requestBody *ClaudeRequest) {
+	claudeRequest := ClaudeRequest{
+		Model:             request.Model,
+		Prompt:            "",
+		MaxTokensToSample: request.MaxTokens,
+		StopSequences:     nil,
+		Temperature:       request.Temperature,
+		TopP:              request.TopP,
+		Stream:            request.Stream,
+	}
+	if claudeRequest.MaxTokensToSample == 0 {
+		claudeRequest.MaxTokensToSample = 1000000
+	}
+	prompt := ""
+	for _, message := range request.Messages {
+		if message.Role == "user" {
+			prompt += fmt.Sprintf("\n\nHuman: %s", message.Content)
+		} else if message.Role == "assistant" {
+			prompt += fmt.Sprintf("\n\nAssistant: %s", message.Content)
+		} else if message.Role == "system" {
+			prompt += fmt.Sprintf("\n\nSystem: %s", message.Content)
+		}
+	}
+	prompt += "\n\nAssistant:"
+	claudeRequest.Prompt = prompt
+	return &claudeRequest
+}
+
+func (p *ClaudeProvider) ChatCompleteResponse(request *types.ChatCompletionRequest, isModelMapped bool, promptTokens int) (usage *types.Usage, openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode) {
+	requestBody := p.getChatRequestBody(request)
+	fullRequestURL := p.GetFullRequestURL(p.ChatCompletions, request.Model)
+	headers := p.GetRequestHeaders()
+	if request.Stream {
+		headers["Accept"] = "text/event-stream"
+	}
+
+	client := common.NewClient()
+	req, err := client.NewRequest(p.Context.Request.Method, fullRequestURL, common.WithBody(requestBody), common.WithHeader(headers))
+	if err != nil {
+		return nil, types.ErrorWrapper(err, "new_request_failed", http.StatusInternalServerError)
+	}
+
+	if request.Stream {
+		var responseText string
+		openAIErrorWithStatusCode, responseText = p.sendStreamRequest(req)
+		if openAIErrorWithStatusCode != nil {
+			return
+		}
+
+		usage.PromptTokens = promptTokens
+		usage.CompletionTokens = common.CountTokenText(responseText, request.Model)
+		usage.TotalTokens = promptTokens + usage.CompletionTokens
+
+	} else {
+		var claudeResponse = &ClaudeResponse{
+			Usage: &types.Usage{
+				PromptTokens: promptTokens,
+			},
+		}
+		openAIErrorWithStatusCode = p.sendRequest(req, claudeResponse)
+		if openAIErrorWithStatusCode != nil {
+			return
+		}
+
+		usage = claudeResponse.Usage
+	}
+	return
+
+}
+
+func (p *ClaudeProvider) streamResponseClaude2OpenAI(claudeResponse *ClaudeResponse) *types.ChatCompletionStreamResponse {
+	var choice types.ChatCompletionStreamChoice
+	choice.Delta.Content = claudeResponse.Completion
+	finishReason := stopReasonClaude2OpenAI(claudeResponse.StopReason)
+	if finishReason != "null" {
+		choice.FinishReason = &finishReason
+	}
+	var response types.ChatCompletionStreamResponse
+	response.Object = "chat.completion.chunk"
+	response.Model = claudeResponse.Model
+	response.Choices = []types.ChatCompletionStreamChoice{choice}
+	return &response
+}
+
+func (p *ClaudeProvider) sendStreamRequest(req *http.Request) (*types.OpenAIErrorWithStatusCode, string) {
+	// 发送请求
+	resp, err := common.HttpClient.Do(req)
+	if err != nil {
+		return types.ErrorWrapper(err, "http_request_failed", http.StatusInternalServerError), ""
+	}
+
+	if common.IsFailureStatusCode(resp) {
+		return p.handleErrorResp(resp), ""
+	}
+
+	defer resp.Body.Close()
+
+	responseText := ""
+	responseId := fmt.Sprintf("chatcmpl-%s", common.GetUUID())
+	createdTime := common.GetTimestamp()
+	scanner := bufio.NewScanner(resp.Body)
+	scanner.Split(func(data []byte, atEOF bool) (advance int, token []byte, err error) {
+		if atEOF && len(data) == 0 {
+			return 0, nil, nil
+		}
+		if i := strings.Index(string(data), "\r\n\r\n"); i >= 0 {
+			return i + 4, data[0:i], nil
+		}
+		if atEOF {
+			return len(data), data, nil
+		}
+		return 0, nil, nil
+	})
+	dataChan := make(chan string)
+	stopChan := make(chan bool)
+	go func() {
+		for scanner.Scan() {
+			data := scanner.Text()
+			if !strings.HasPrefix(data, "event: completion") {
+				continue
+			}
+			data = strings.TrimPrefix(data, "event: completion\r\ndata: ")
+			dataChan <- data
+		}
+		stopChan <- true
+	}()
+	setEventStreamHeaders(p.Context)
+	p.Context.Stream(func(w io.Writer) bool {
+		select {
+		case data := <-dataChan:
+			// some implementations may add \r at the end of data
+			data = strings.TrimSuffix(data, "\r")
+			var claudeResponse ClaudeResponse
+			err := json.Unmarshal([]byte(data), &claudeResponse)
+			if err != nil {
+				common.SysError("error unmarshalling stream response: " + err.Error())
+				return true
+			}
+			responseText += claudeResponse.Completion
+			response := p.streamResponseClaude2OpenAI(&claudeResponse)
+			response.ID = responseId
+			response.Created = createdTime
+			jsonStr, err := json.Marshal(response)
+			if err != nil {
+				common.SysError("error marshalling stream response: " + err.Error())
+				return true
+			}
+			p.Context.Render(-1, common.CustomEvent{Data: "data: " + string(jsonStr)})
+			return true
+		case <-stopChan:
+			p.Context.Render(-1, common.CustomEvent{Data: "data: [DONE]"})
+			return false
+		}
+	})
+
+	return nil, responseText
+}

providers/closeai_proxy_base.go

@@ -0,0 +1,50 @@
+package providers
+
+import (
+	"fmt"
+	"one-api/common"
+	"one-api/model"
+
+	"github.com/gin-gonic/gin"
+)
+
+type CloseaiProxyProvider struct {
+	*OpenAIProvider
+}
+
+type OpenAICreditGrants struct {
+	Object         string  `json:"object"`
+	TotalGranted   float64 `json:"total_granted"`
+	TotalUsed      float64 `json:"total_used"`
+	TotalAvailable float64 `json:"total_available"`
+}
+
+// 创建 CloseaiProxyProvider
+func CreateCloseaiProxyProvider(c *gin.Context) *CloseaiProxyProvider {
+	return &CloseaiProxyProvider{
+		OpenAIProvider: CreateOpenAIProvider(c, "https://api.closeai-proxy.xyz"),
+	}
+}
+
+func (p *CloseaiProxyProvider) Balance(channel *model.Channel) (float64, error) {
+	fullRequestURL := p.GetFullRequestURL("/sb-api/user/status", "")
+	fullRequestURL = fmt.Sprintf("%s?api_key=%s", fullRequestURL, channel.Key)
+	headers := p.GetRequestHeaders()
+
+	client := common.NewClient()
+	req, err := client.NewRequest("GET", fullRequestURL, common.WithBody(nil), common.WithHeader(headers))
+	if err != nil {
+		return 0, err
+	}
+
+	// 发送请求
+	var response OpenAICreditGrants
+	err = client.SendRequest(req, &response)
+	if err != nil {
+		return 0, err
+	}
+
+	channel.UpdateBalance(response.TotalAvailable)
+
+	return response.TotalAvailable, nil
+}

providers/openai_base.go

@@ -0,0 +1,215 @@
+package providers
+
+import (
+	"bufio"
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"one-api/common"
+	"one-api/types"
+	"strings"
+
+	"github.com/gin-gonic/gin"
+)
+
+type OpenAIProvider struct {
+	ProviderConfig
+	isAzure bool
+}
+
+type OpenAIProviderResponseHandler interface {
+	// 请求处理函数
+	requestHandler(resp *http.Response) (openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode)
+}
+
+type OpenAIProviderStreamResponseHandler interface {
+	// 请求流处理函数
+	requestStreamHandler() (responseText string)
+}
+
+// 创建 OpenAIProvider
+func CreateOpenAIProvider(c *gin.Context, baseURL string) *OpenAIProvider {
+	if baseURL == "" {
+		baseURL = "https://api.openai.com"
+	}
+
+	return &OpenAIProvider{
+		ProviderConfig: ProviderConfig{
+			BaseURL:             baseURL,
+			Completions:         "/v1/completions",
+			ChatCompletions:     "/v1/chat/completions",
+			Embeddings:          "/v1/embeddings",
+			AudioSpeech:         "/v1/audio/speech",
+			AudioTranscriptions: "/v1/audio/transcriptions",
+			AudioTranslations:   "/v1/audio/translations",
+			Context:             c,
+		},
+		isAzure: false,
+	}
+}
+
+// 获取完整请求 URL
+func (p *OpenAIProvider) GetFullRequestURL(requestURL string, modelName string) string {
+	baseURL := strings.TrimSuffix(p.GetBaseURL(), "/")
+
+	if p.isAzure {
+		apiVersion := p.Context.GetString("api_version")
+		requestURL = fmt.Sprintf("/openai/deployments/%s%s?api-version=%s", modelName, requestURL, apiVersion)
+	}
+
+	if strings.HasPrefix(baseURL, "https://gateway.ai.cloudflare.com") {
+		if p.isAzure {
+			requestURL = strings.TrimPrefix(requestURL, "/openai/deployments")
+		} else {
+			requestURL = strings.TrimPrefix(requestURL, "/v1")
+		}
+	}
+
+	return fmt.Sprintf("%s%s", baseURL, requestURL)
+}
+
+// 获取请求头
+func (p *OpenAIProvider) GetRequestHeaders() (headers map[string]string) {
+	headers = make(map[string]string)
+	if p.isAzure {
+		headers["api-key"] = p.Context.GetString("api_key")
+	} else {
+		headers["Authorization"] = fmt.Sprintf("Bearer %s", p.Context.GetString("api_key"))
+	}
+	headers["Content-Type"] = p.Context.Request.Header.Get("Content-Type")
+	headers["Accept"] = p.Context.Request.Header.Get("Accept")
+	if headers["Content-Type"] == "" {
+		headers["Content-Type"] = "application/json; charset=utf-8"
+	}
+
+	return headers
+}
+
+// 获取请求体
+func (p *OpenAIProvider) getRequestBody(request any, isModelMapped bool) (requestBody io.Reader, err error) {
+	if isModelMapped {
+		jsonStr, err := json.Marshal(request)
+		if err != nil {
+			return nil, err
+		}
+		requestBody = bytes.NewBuffer(jsonStr)
+	} else {
+		requestBody = p.Context.Request.Body
+	}
+	return
+}
+
+// 发送请求
+func (p *OpenAIProvider) sendRequest(req *http.Request, response OpenAIProviderResponseHandler) (openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode) {
+
+	// 发送请求
+	resp, err := common.HttpClient.Do(req)
+	if err != nil {
+		return types.ErrorWrapper(err, "http_request_failed", http.StatusInternalServerError)
+	}
+
+	defer resp.Body.Close()
+
+	// 处理响应
+	if common.IsFailureStatusCode(resp) {
+		return p.handleErrorResp(resp)
+	}
+
+	// 创建一个 bytes.Buffer 来存储响应体
+	var buf bytes.Buffer
+	tee := io.TeeReader(resp.Body, &buf)
+
+	// 解析响应
+	err = common.DecodeResponse(tee, response)
+	if err != nil {
+		return types.ErrorWrapper(err, "decode_response_failed", http.StatusInternalServerError)
+	}
+
+	openAIErrorWithStatusCode = response.requestHandler(resp)
+	if openAIErrorWithStatusCode != nil {
+		return
+	}
+
+	for k, v := range resp.Header {
+		p.Context.Writer.Header().Set(k, v[0])
+	}
+
+	p.Context.Writer.WriteHeader(resp.StatusCode)
+	_, err = io.Copy(p.Context.Writer, &buf)
+	if err != nil {
+		return types.ErrorWrapper(err, "copy_response_body_failed", http.StatusInternalServerError)
+	}
+
+	return nil
+}
+
+func (p *OpenAIProvider) sendStreamRequest(req *http.Request, response OpenAIProviderStreamResponseHandler) (openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode, responseText string) {
+
+	resp, err := common.HttpClient.Do(req)
+	if err != nil {
+		return types.ErrorWrapper(err, "http_request_failed", http.StatusInternalServerError), ""
+	}
+
+	if common.IsFailureStatusCode(resp) {
+		return p.handleErrorResp(resp), ""
+	}
+
+	defer resp.Body.Close()
+
+	scanner := bufio.NewScanner(resp.Body)
+	scanner.Split(func(data []byte, atEOF bool) (advance int, token []byte, err error) {
+		if atEOF && len(data) == 0 {
+			return 0, nil, nil
+		}
+		if i := strings.Index(string(data), "\n"); i >= 0 {
+			return i + 1, data[0:i], nil
+		}
+		if atEOF {
+			return len(data), data, nil
+		}
+		return 0, nil, nil
+	})
+	dataChan := make(chan string)
+	stopChan := make(chan bool)
+	go func() {
+		for scanner.Scan() {
+			data := scanner.Text()
+			if len(data) < 6 { // ignore blank line or wrong format
+				continue
+			}
+			if data[:6] != "data: " && data[:6] != "[DONE]" {
+				continue
+			}
+			dataChan <- data
+			data = data[6:]
+			if !strings.HasPrefix(data, "[DONE]") {
+				err := json.Unmarshal([]byte(data), response)
+				if err != nil {
+					common.SysError("error unmarshalling stream response: " + err.Error())
+					continue // just ignore the error
+				}
+				responseText += response.requestStreamHandler()
+			}
+		}
+		stopChan <- true
+	}()
+	setEventStreamHeaders(p.Context)
+	p.Context.Stream(func(w io.Writer) bool {
+		select {
+		case data := <-dataChan:
+			if strings.HasPrefix(data, "data: [DONE]") {
+				data = data[:12]
+			}
+			// some implementations may add \r at the end of data
+			data = strings.TrimSuffix(data, "\r")
+			p.Context.Render(-1, common.CustomEvent{Data: data})
+			return true
+		case <-stopChan:
+			return false
+		}
+	})
+
+	return nil, responseText
+}

providers/openai_chat.go

@@ -0,0 +1,92 @@
+package providers
+
+import (
+	"net/http"
+	"one-api/common"
+	"one-api/types"
+)
+
+type OpenAIProviderChatResponse struct {
+	types.ChatCompletionResponse
+	types.OpenAIErrorResponse
+}
+
+type OpenAIProviderChatStreamResponse struct {
+	types.ChatCompletionStreamResponse
+	types.OpenAIErrorResponse
+}
+
+func (c *OpenAIProviderChatResponse) requestHandler(resp *http.Response) (openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode) {
+	if c.Error.Type != "" {
+		openAIErrorWithStatusCode = &types.OpenAIErrorWithStatusCode{
+			OpenAIError: c.Error,
+			StatusCode:  resp.StatusCode,
+		}
+		return
+	}
+	return nil
+}
+
+func (c *OpenAIProviderChatStreamResponse) requestStreamHandler() (responseText string) {
+	for _, choice := range c.Choices {
+		responseText += choice.Delta.Content
+	}
+
+	return
+}
+
+func (p *OpenAIProvider) ChatCompleteResponse(request *types.ChatCompletionRequest, isModelMapped bool, promptTokens int) (usage *types.Usage, openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode) {
+	requestBody, err := p.getRequestBody(&request, isModelMapped)
+	if err != nil {
+		return nil, types.ErrorWrapper(err, "json_marshal_failed", http.StatusInternalServerError)
+	}
+
+	fullRequestURL := p.GetFullRequestURL(p.ChatCompletions, request.Model)
+	headers := p.GetRequestHeaders()
+	if request.Stream && headers["Accept"] == "" {
+		headers["Accept"] = "text/event-stream"
+	}
+
+	client := common.NewClient()
+	req, err := client.NewRequest(p.Context.Request.Method, fullRequestURL, common.WithBody(requestBody), common.WithHeader(headers))
+	if err != nil {
+		return nil, types.ErrorWrapper(err, "new_request_failed", http.StatusInternalServerError)
+	}
+
+	if request.Stream {
+		openAIProviderChatStreamResponse := &OpenAIProviderChatStreamResponse{}
+		var textResponse string
+		openAIErrorWithStatusCode, textResponse = p.sendStreamRequest(req, openAIProviderChatStreamResponse)
+		if openAIErrorWithStatusCode != nil {
+			return
+		}
+
+		usage = &types.Usage{
+			PromptTokens:     promptTokens,
+			CompletionTokens: common.CountTokenText(textResponse, request.Model),
+			TotalTokens:      promptTokens + common.CountTokenText(textResponse, request.Model),
+		}
+
+	} else {
+		openAIProviderChatResponse := &OpenAIProviderChatResponse{}
+		openAIErrorWithStatusCode = p.sendRequest(req, openAIProviderChatResponse)
+		if openAIErrorWithStatusCode != nil {
+			return
+		}
+
+		usage = openAIProviderChatResponse.Usage
+
+		if usage.TotalTokens == 0 {
+			completionTokens := 0
+			for _, choice := range openAIProviderChatResponse.Choices {
+				completionTokens += common.CountTokenText(choice.Message.StringContent(), openAIProviderChatResponse.Model)
+			}
+			usage = &types.Usage{
+				PromptTokens:     promptTokens,
+				CompletionTokens: completionTokens,
+				TotalTokens:      promptTokens + completionTokens,
+			}
+		}
+	}
+	return
+}

providers/openai_completion.go

@@ -0,0 +1,87 @@
+package providers
+
+import (
+	"net/http"
+	"one-api/common"
+	"one-api/types"
+)
+
+type OpenAIProviderCompletionResponse struct {
+	types.CompletionResponse
+	types.OpenAIErrorResponse
+}
+
+func (c *OpenAIProviderCompletionResponse) requestHandler(resp *http.Response) (openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode) {
+	if c.Error.Type != "" {
+		openAIErrorWithStatusCode = &types.OpenAIErrorWithStatusCode{
+			OpenAIError: c.Error,
+			StatusCode:  resp.StatusCode,
+		}
+		return
+	}
+	return nil
+}
+
+func (c *OpenAIProviderCompletionResponse) requestStreamHandler() (responseText string) {
+	for _, choice := range c.Choices {
+		responseText += choice.Text
+	}
+
+	return
+}
+
+func (p *OpenAIProvider) CompleteResponse(request *types.CompletionRequest, isModelMapped bool, promptTokens int) (usage *types.Usage, openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode) {
+	requestBody, err := p.getRequestBody(&request, isModelMapped)
+	if err != nil {
+		return nil, types.ErrorWrapper(err, "json_marshal_failed", http.StatusInternalServerError)
+	}
+
+	fullRequestURL := p.GetFullRequestURL(p.Completions, request.Model)
+	headers := p.GetRequestHeaders()
+	if request.Stream && headers["Accept"] == "" {
+		headers["Accept"] = "text/event-stream"
+	}
+
+	client := common.NewClient()
+	req, err := client.NewRequest(p.Context.Request.Method, fullRequestURL, common.WithBody(requestBody), common.WithHeader(headers))
+	if err != nil {
+		return nil, types.ErrorWrapper(err, "new_request_failed", http.StatusInternalServerError)
+	}
+
+	openAIProviderCompletionResponse := &OpenAIProviderCompletionResponse{}
+	if request.Stream {
+		// TODO
+		var textResponse string
+		openAIErrorWithStatusCode, textResponse = p.sendStreamRequest(req, openAIProviderCompletionResponse)
+		if openAIErrorWithStatusCode != nil {
+			return
+		}
+
+		usage = &types.Usage{
+			PromptTokens:     promptTokens,
+			CompletionTokens: common.CountTokenText(textResponse, request.Model),
+			TotalTokens:      promptTokens + common.CountTokenText(textResponse, request.Model),
+		}
+
+	} else {
+		openAIErrorWithStatusCode = p.sendRequest(req, openAIProviderCompletionResponse)
+		if openAIErrorWithStatusCode != nil {
+			return
+		}
+
+		usage = openAIProviderCompletionResponse.Usage
+
+		if usage.TotalTokens == 0 {
+			completionTokens := 0
+			for _, choice := range openAIProviderCompletionResponse.Choices {
+				completionTokens += common.CountTokenText(choice.Text, openAIProviderCompletionResponse.Model)
+			}
+			usage = &types.Usage{
+				PromptTokens:     promptTokens,
+				CompletionTokens: completionTokens,
+				TotalTokens:      promptTokens + completionTokens,
+			}
+		}
+	}
+	return
+}

providers/openai_embeddings.go

@@ -0,0 +1,50 @@
+package providers
+
+import (
+	"net/http"
+	"one-api/common"
+	"one-api/types"
+)
+
+type OpenAIProviderEmbeddingsResponse struct {
+	types.EmbeddingResponse
+	types.OpenAIErrorResponse
+}
+
+func (c *OpenAIProviderEmbeddingsResponse) requestHandler(resp *http.Response) (openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode) {
+	if c.Error.Type != "" {
+		openAIErrorWithStatusCode = &types.OpenAIErrorWithStatusCode{
+			OpenAIError: c.Error,
+			StatusCode:  resp.StatusCode,
+		}
+		return
+	}
+	return nil
+}
+
+func (p *OpenAIProvider) EmbeddingsResponse(request *types.EmbeddingRequest, isModelMapped bool, promptTokens int) (usage *types.Usage, openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode) {
+
+	requestBody, err := p.getRequestBody(&request, isModelMapped)
+	if err != nil {
+		return nil, types.ErrorWrapper(err, "json_marshal_failed", http.StatusInternalServerError)
+	}
+
+	fullRequestURL := p.GetFullRequestURL(p.Embeddings, request.Model)
+	headers := p.GetRequestHeaders()
+
+	client := common.NewClient()
+	req, err := client.NewRequest(p.Context.Request.Method, fullRequestURL, common.WithBody(requestBody), common.WithHeader(headers))
+	if err != nil {
+		return nil, types.ErrorWrapper(err, "new_request_failed", http.StatusInternalServerError)
+	}
+
+	openAIProviderEmbeddingsResponse := &OpenAIProviderEmbeddingsResponse{}
+	openAIErrorWithStatusCode = p.sendRequest(req, openAIProviderEmbeddingsResponse)
+	if openAIErrorWithStatusCode != nil {
+		return
+	}
+
+	usage = openAIProviderEmbeddingsResponse.Usage
+
+	return
+}

providers/openaisb_base.go

@@ -0,0 +1,58 @@
+package providers
+
+import (
+	"errors"
+	"fmt"
+	"one-api/common"
+	"one-api/model"
+	"strconv"
+
+	"github.com/gin-gonic/gin"
+)
+
+type OpenaiSBProvider struct {
+	*OpenAIProvider
+}
+
+type OpenAISBUsageResponse struct {
+	Msg  string `json:"msg"`
+	Data *struct {
+		Credit string `json:"credit"`
+	} `json:"data"`
+}
+
+// 创建 OpenaiSBProvider
+func CreateOpenaiSBProvider(c *gin.Context) *OpenaiSBProvider {
+	return &OpenaiSBProvider{
+		OpenAIProvider: CreateOpenAIProvider(c, "https://api.openai-sb.com"),
+	}
+}
+
+func (p *OpenaiSBProvider) Balance(channel *model.Channel) (float64, error) {
+	fullRequestURL := p.GetFullRequestURL("/sb-api/user/status", "")
+	fullRequestURL = fmt.Sprintf("%s?api_key=%s", fullRequestURL, channel.Key)
+	headers := p.GetRequestHeaders()
+
+	client := common.NewClient()
+	req, err := client.NewRequest("GET", fullRequestURL, common.WithBody(nil), common.WithHeader(headers))
+	if err != nil {
+		return 0, err
+	}
+
+	// 发送请求
+	var response OpenAISBUsageResponse
+	err = client.SendRequest(req, &response)
+	if err != nil {
+		return 0, err
+	}
+
+	if response.Data == nil {
+		return 0, errors.New(response.Msg)
+	}
+	balance, err := strconv.ParseFloat(response.Data.Credit, 64)
+	if err != nil {
+		return 0, err
+	}
+	channel.UpdateBalance(balance)
+	return balance, nil
+}

providers/palm_base.go

@@ -0,0 +1,43 @@
+package providers
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/gin-gonic/gin"
+)
+
+type PalmProvider struct {
+	ProviderConfig
+}
+
+// 创建 PalmProvider
+func CreatePalmProvider(c *gin.Context) *PalmProvider {
+	return &PalmProvider{
+		ProviderConfig: ProviderConfig{
+			BaseURL:         "https://generativelanguage.googleapis.com",
+			ChatCompletions: "/v1beta2/models/chat-bison-001:generateMessage",
+			Context:         c,
+		},
+	}
+}
+
+// 获取请求头
+func (p *PalmProvider) GetRequestHeaders() (headers map[string]string) {
+	headers = make(map[string]string)
+
+	headers["Content-Type"] = p.Context.Request.Header.Get("Content-Type")
+	headers["Accept"] = p.Context.Request.Header.Get("Accept")
+	if headers["Content-Type"] == "" {
+		headers["Content-Type"] = "application/json"
+	}
+
+	return headers
+}
+
+// 获取完整请求 URL
+func (p *PalmProvider) GetFullRequestURL(requestURL string, modelName string) string {
+	baseURL := strings.TrimSuffix(p.GetBaseURL(), "/")
+
+	return fmt.Sprintf("%s%s?key=%s", baseURL, requestURL, p.Context.GetString("api_key"))
+}

providers/palm_chat.go

@@ -0,0 +1,232 @@
+package providers
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"one-api/common"
+	"one-api/types"
+)
+
+type PaLMChatMessage struct {
+	Author  string `json:"author"`
+	Content string `json:"content"`
+}
+
+type PaLMFilter struct {
+	Reason  string `json:"reason"`
+	Message string `json:"message"`
+}
+
+type PaLMPrompt struct {
+	Messages []PaLMChatMessage `json:"messages"`
+}
+
+type PaLMChatRequest struct {
+	Prompt         PaLMPrompt `json:"prompt"`
+	Temperature    float64    `json:"temperature,omitempty"`
+	CandidateCount int        `json:"candidateCount,omitempty"`
+	TopP           float64    `json:"topP,omitempty"`
+	TopK           int        `json:"topK,omitempty"`
+}
+
+type PaLMError struct {
+	Code    int    `json:"code"`
+	Message string `json:"message"`
+	Status  string `json:"status"`
+}
+
+type PaLMChatResponse struct {
+	Candidates []PaLMChatMessage             `json:"candidates"`
+	Messages   []types.ChatCompletionMessage `json:"messages"`
+	Filters    []PaLMFilter                  `json:"filters"`
+	Error      PaLMError                     `json:"error"`
+	Usage      *types.Usage                  `json:"usage,omitempty"`
+	Model      string                        `json:"model,omitempty"`
+}
+
+func (palmResponse *PaLMChatResponse) requestHandler(resp *http.Response) (OpenAIResponse any, openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode) {
+	if palmResponse.Error.Code != 0 || len(palmResponse.Candidates) == 0 {
+		return nil, &types.OpenAIErrorWithStatusCode{
+			OpenAIError: types.OpenAIError{
+				Message: palmResponse.Error.Message,
+				Type:    palmResponse.Error.Status,
+				Param:   "",
+				Code:    palmResponse.Error.Code,
+			},
+			StatusCode: resp.StatusCode,
+		}
+	}
+
+	fullTextResponse := types.ChatCompletionResponse{
+		Choices: make([]types.ChatCompletionChoice, 0, len(palmResponse.Candidates)),
+	}
+	for i, candidate := range palmResponse.Candidates {
+		choice := types.ChatCompletionChoice{
+			Index: i,
+			Message: types.ChatCompletionMessage{
+				Role:    "assistant",
+				Content: candidate.Content,
+			},
+			FinishReason: "stop",
+		}
+		fullTextResponse.Choices = append(fullTextResponse.Choices, choice)
+	}
+
+	completionTokens := common.CountTokenText(palmResponse.Candidates[0].Content, palmResponse.Model)
+	palmResponse.Usage.CompletionTokens = completionTokens
+	palmResponse.Usage.TotalTokens = palmResponse.Usage.PromptTokens + completionTokens
+
+	fullTextResponse.Usage = palmResponse.Usage
+
+	return fullTextResponse, nil
+}
+
+func (p *PalmProvider) getChatRequestBody(request *types.ChatCompletionRequest) *PaLMChatRequest {
+	palmRequest := PaLMChatRequest{
+		Prompt: PaLMPrompt{
+			Messages: make([]PaLMChatMessage, 0, len(request.Messages)),
+		},
+		Temperature:    request.Temperature,
+		CandidateCount: request.N,
+		TopP:           request.TopP,
+		TopK:           request.MaxTokens,
+	}
+	for _, message := range request.Messages {
+		palmMessage := PaLMChatMessage{
+			Content: message.StringContent(),
+		}
+		if message.Role == "user" {
+			palmMessage.Author = "0"
+		} else {
+			palmMessage.Author = "1"
+		}
+		palmRequest.Prompt.Messages = append(palmRequest.Prompt.Messages, palmMessage)
+	}
+	return &palmRequest
+}
+
+func (p *PalmProvider) ChatCompleteResponse(request *types.ChatCompletionRequest, isModelMapped bool, promptTokens int) (usage *types.Usage, openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode) {
+	requestBody := p.getChatRequestBody(request)
+	fullRequestURL := p.GetFullRequestURL(p.ChatCompletions, request.Model)
+	headers := p.GetRequestHeaders()
+	if request.Stream {
+		headers["Accept"] = "text/event-stream"
+	}
+
+	client := common.NewClient()
+	req, err := client.NewRequest(p.Context.Request.Method, fullRequestURL, common.WithBody(requestBody), common.WithHeader(headers))
+	if err != nil {
+		return nil, types.ErrorWrapper(err, "new_request_failed", http.StatusInternalServerError)
+	}
+
+	if request.Stream {
+		var responseText string
+		openAIErrorWithStatusCode, responseText = p.sendStreamRequest(req)
+		if openAIErrorWithStatusCode != nil {
+			return
+		}
+
+		usage.PromptTokens = promptTokens
+		usage.CompletionTokens = common.CountTokenText(responseText, request.Model)
+		usage.TotalTokens = promptTokens + usage.CompletionTokens
+
+	} else {
+		var palmChatResponse = &PaLMChatResponse{
+			Model: request.Model,
+			Usage: &types.Usage{
+				PromptTokens: promptTokens,
+			},
+		}
+		openAIErrorWithStatusCode = p.sendRequest(req, palmChatResponse)
+		if openAIErrorWithStatusCode != nil {
+			return
+		}
+
+		usage = palmChatResponse.Usage
+	}
+	return
+
+}
+
+func (p *PalmProvider) streamResponsePaLM2OpenAI(palmResponse *PaLMChatResponse) *types.ChatCompletionStreamResponse {
+	var choice types.ChatCompletionStreamChoice
+	if len(palmResponse.Candidates) > 0 {
+		choice.Delta.Content = palmResponse.Candidates[0].Content
+	}
+	choice.FinishReason = &stopFinishReason
+	var response types.ChatCompletionStreamResponse
+	response.Object = "chat.completion.chunk"
+	response.Model = "palm2"
+	response.Choices = []types.ChatCompletionStreamChoice{choice}
+	return &response
+}
+
+func (p *PalmProvider) sendStreamRequest(req *http.Request) (*types.OpenAIErrorWithStatusCode, string) {
+	// 发送请求
+	resp, err := common.HttpClient.Do(req)
+	if err != nil {
+		return types.ErrorWrapper(err, "http_request_failed", http.StatusInternalServerError), ""
+	}
+
+	if common.IsFailureStatusCode(resp) {
+		return p.handleErrorResp(resp), ""
+	}
+
+	defer resp.Body.Close()
+
+	responseText := ""
+	responseId := fmt.Sprintf("chatcmpl-%s", common.GetUUID())
+	createdTime := common.GetTimestamp()
+	dataChan := make(chan string)
+	stopChan := make(chan bool)
+	go func() {
+		responseBody, err := io.ReadAll(resp.Body)
+		if err != nil {
+			common.SysError("error reading stream response: " + err.Error())
+			stopChan <- true
+			return
+		}
+		err = resp.Body.Close()
+		if err != nil {
+			common.SysError("error closing stream response: " + err.Error())
+			stopChan <- true
+			return
+		}
+		var palmResponse PaLMChatResponse
+		err = json.Unmarshal(responseBody, &palmResponse)
+		if err != nil {
+			common.SysError("error unmarshalling stream response: " + err.Error())
+			stopChan <- true
+			return
+		}
+		fullTextResponse := p.streamResponsePaLM2OpenAI(&palmResponse)
+		fullTextResponse.ID = responseId
+		fullTextResponse.Created = createdTime
+		if len(palmResponse.Candidates) > 0 {
+			responseText = palmResponse.Candidates[0].Content
+		}
+		jsonResponse, err := json.Marshal(fullTextResponse)
+		if err != nil {
+			common.SysError("error marshalling stream response: " + err.Error())
+			stopChan <- true
+			return
+		}
+		dataChan <- string(jsonResponse)
+		stopChan <- true
+	}()
+	setEventStreamHeaders(p.Context)
+	p.Context.Stream(func(w io.Writer) bool {
+		select {
+		case data := <-dataChan:
+			p.Context.Render(-1, common.CustomEvent{Data: "data: " + data})
+			return true
+		case <-stopChan:
+			p.Context.Render(-1, common.CustomEvent{Data: "data: [DONE]"})
+			return false
+		}
+	})
+
+	return nil, responseText
+}

providers/tencent_base.go

@@ -0,0 +1,94 @@
+package providers
+
+import (
+	"crypto/hmac"
+	"crypto/sha1"
+	"encoding/base64"
+	"errors"
+	"fmt"
+	"sort"
+	"strconv"
+	"strings"
+
+	"github.com/gin-gonic/gin"
+)
+
+type TencentProvider struct {
+	ProviderConfig
+}
+
+type TencentError struct {
+	Code    int    `json:"code"`
+	Message string `json:"message"`
+}
+
+// 创建 TencentProvider
+func CreateTencentProvider(c *gin.Context) *TencentProvider {
+	return &TencentProvider{
+		ProviderConfig: ProviderConfig{
+			BaseURL:         "https://hunyuan.cloud.tencent.com",
+			ChatCompletions: "/hyllm/v1/chat/completions",
+			Context:         c,
+		},
+	}
+}
+
+// 获取请求头
+func (p *TencentProvider) GetRequestHeaders() (headers map[string]string) {
+	headers = make(map[string]string)
+
+	headers["Content-Type"] = p.Context.Request.Header.Get("Content-Type")
+	headers["Accept"] = p.Context.Request.Header.Get("Accept")
+	if headers["Content-Type"] == "" {
+		headers["Content-Type"] = "application/json"
+	}
+
+	return headers
+}
+
+func (p *TencentProvider) parseTencentConfig(config string) (appId int64, secretId string, secretKey string, err error) {
+	parts := strings.Split(config, "|")
+	if len(parts) != 3 {
+		err = errors.New("invalid tencent config")
+		return
+	}
+	appId, err = strconv.ParseInt(parts[0], 10, 64)
+	secretId = parts[1]
+	secretKey = parts[2]
+	return
+}
+
+func (p *TencentProvider) getTencentSign(req TencentChatRequest) string {
+	apiKey := p.Context.GetString("api_key")
+	appId, secretId, secretKey, err := p.parseTencentConfig(apiKey)
+	if err != nil {
+		return ""
+	}
+	req.AppId = appId
+	req.SecretId = secretId
+
+	params := make([]string, 0)
+	params = append(params, "app_id="+strconv.FormatInt(req.AppId, 10))
+	params = append(params, "secret_id="+req.SecretId)
+	params = append(params, "timestamp="+strconv.FormatInt(req.Timestamp, 10))
+	params = append(params, "query_id="+req.QueryID)
+	params = append(params, "temperature="+strconv.FormatFloat(req.Temperature, 'f', -1, 64))
+	params = append(params, "top_p="+strconv.FormatFloat(req.TopP, 'f', -1, 64))
+	params = append(params, "stream="+strconv.Itoa(req.Stream))
+	params = append(params, "expired="+strconv.FormatInt(req.Expired, 10))
+
+	var messageStr string
+	for _, msg := range req.Messages {
+		messageStr += fmt.Sprintf(`{"role":"%s","content":"%s"},`, msg.Role, msg.Content)
+	}
+	messageStr = strings.TrimSuffix(messageStr, ",")
+	params = append(params, "messages=["+messageStr+"]")
+
+	sort.Sort(sort.StringSlice(params))
+	url := "hunyuan.cloud.tencent.com/hyllm/v1/chat/completions?" + strings.Join(params, "&")
+	mac := hmac.New(sha1.New, []byte(secretKey))
+	signURL := url
+	mac.Write([]byte(signURL))
+	sign := mac.Sum([]byte(nil))
+	return base64.StdEncoding.EncodeToString(sign)
+}

providers/tencent_chat.go

@@ -1,24 +1,16 @@
-package controller
+package providers
 
 import (
 	"bufio"
-	"crypto/hmac"
-	"crypto/sha1"
-	"encoding/base64"
 	"encoding/json"
 	"errors"
-	"fmt"
-	"github.com/gin-gonic/gin"
 	"io"
 	"net/http"
 	"one-api/common"
-	"sort"
+	"one-api/types"
-	"strconv"
 	"strings"
 )
 
-// https://cloud.tencent.com/document/product/1729/97732
-
 type TencentMessage struct {
 	Role    string `json:"role"`
 	Content string `json:"content"`
@@ -50,11 +42,6 @@ type TencentChatRequest struct {
 	Messages []TencentMessage `json:"messages"`
 }
 
-type TencentError struct {
-	Code    int    `json:"code"`
-	Message string `json:"message"`
-}
-
 type TencentUsage struct {
 	InputTokens  int `json:"input_tokens"`
 	OutputTokens int `json:"output_tokens"`
@@ -71,13 +58,44 @@ type TencentChatResponse struct {
 	Choices []TencentResponseChoices `json:"choices,omitempty"` // 结果
 	Created string                   `json:"created,omitempty"` // unix 时间戳的字符串
 	Id      string                   `json:"id,omitempty"`      // 会话 id
-	Usage   Usage                    `json:"usage,omitempty"`   // token 数量
+	Usage   *types.Usage             `json:"usage,omitempty"`   // token 数量
 	Error   TencentError             `json:"error,omitempty"`   // 错误信息 注意：此字段可能返回 null，表示取不到有效值
 	Note    string                   `json:"note,omitempty"`    // 注释
 	ReqID   string                   `json:"req_id,omitempty"`  // 唯一请求 Id，每次请求都会返回。用于反馈接口入参
 }
 
-func requestOpenAI2Tencent(request GeneralOpenAIRequest) *TencentChatRequest {
+func (TencentResponse *TencentChatResponse) requestHandler(resp *http.Response) (OpenAIResponse any, openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode) {
+	if TencentResponse.Error.Code != 0 {
+		return &types.OpenAIErrorWithStatusCode{
+			OpenAIError: types.OpenAIError{
+				Message: TencentResponse.Error.Message,
+				Code:    TencentResponse.Error.Code,
+			},
+			StatusCode: resp.StatusCode,
+		}, nil
+	}
+
+	fullTextResponse := types.ChatCompletionResponse{
+		Object:  "chat.completion",
+		Created: common.GetTimestamp(),
+		Usage:   TencentResponse.Usage,
+	}
+	if len(TencentResponse.Choices) > 0 {
+		choice := types.ChatCompletionChoice{
+			Index: 0,
+			Message: types.ChatCompletionMessage{
+				Role:    "assistant",
+				Content: TencentResponse.Choices[0].Messages.Content,
+			},
+			FinishReason: TencentResponse.Choices[0].FinishReason,
+		}
+		fullTextResponse.Choices = append(fullTextResponse.Choices, choice)
+	}
+
+	return fullTextResponse, nil
+}
+
+func (p *TencentProvider) getChatRequestBody(request *types.ChatCompletionRequest) *TencentChatRequest {
 	messages := make([]TencentMessage, 0, len(request.Messages))
 	for i := 0; i < len(request.Messages); i++ {
 		message := request.Messages[i]
@@ -112,34 +130,58 @@ func requestOpenAI2Tencent(request GeneralOpenAIRequest) *TencentChatRequest {
 	}
 }
 
-func responseTencent2OpenAI(response *TencentChatResponse) *OpenAITextResponse {
+func (p *TencentProvider) ChatCompleteResponse(request *types.ChatCompletionRequest, isModelMapped bool, promptTokens int) (usage *types.Usage, openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode) {
-	fullTextResponse := OpenAITextResponse{
+	requestBody := p.getChatRequestBody(request)
-		Object:  "chat.completion",
+	sign := p.getTencentSign(*requestBody)
-		Created: common.GetTimestamp(),
+	if sign == "" {
-		Usage:   response.Usage,
+		return nil, types.ErrorWrapper(errors.New("get tencent sign failed"), "get_tencent_sign_failed", http.StatusInternalServerError)
 	}
-	if len(response.Choices) > 0 {
+
-		choice := OpenAITextResponseChoice{
+	fullRequestURL := p.GetFullRequestURL(p.ChatCompletions, request.Model)
-			Index: 0,
+	headers := p.GetRequestHeaders()
-			Message: Message{
+	headers["Authorization"] = sign
-				Role:    "assistant",
+	if request.Stream {
-				Content: response.Choices[0].Messages.Content,
+		headers["Accept"] = "text/event-stream"
-			},
+	}
-			FinishReason: response.Choices[0].FinishReason,
+
+	client := common.NewClient()
+	req, err := client.NewRequest(p.Context.Request.Method, fullRequestURL, common.WithBody(requestBody), common.WithHeader(headers))
+	if err != nil {
+		return nil, types.ErrorWrapper(err, "new_request_failed", http.StatusInternalServerError)
+	}
+
+	if request.Stream {
+		var responseText string
+		openAIErrorWithStatusCode, responseText = p.sendStreamRequest(req)
+		if openAIErrorWithStatusCode != nil {
+			return
 		}
-		fullTextResponse.Choices = append(fullTextResponse.Choices, choice)
+
+		usage.PromptTokens = promptTokens
+		usage.CompletionTokens = common.CountTokenText(responseText, request.Model)
+		usage.TotalTokens = promptTokens + usage.CompletionTokens
+
+	} else {
+		tencentResponse := &TencentChatResponse{}
+		openAIErrorWithStatusCode = p.sendRequest(req, tencentResponse)
+		if openAIErrorWithStatusCode != nil {
+			return
+		}
+
+		usage = tencentResponse.Usage
 	}
-	return &fullTextResponse
+	return
+
 }
 
-func streamResponseTencent2OpenAI(TencentResponse *TencentChatResponse) *ChatCompletionsStreamResponse {
+func (p *TencentProvider) streamResponseTencent2OpenAI(TencentResponse *TencentChatResponse) *types.ChatCompletionStreamResponse {
-	response := ChatCompletionsStreamResponse{
+	response := types.ChatCompletionStreamResponse{
 		Object:  "chat.completion.chunk",
 		Created: common.GetTimestamp(),
 		Model:   "tencent-hunyuan",
 	}
 	if len(TencentResponse.Choices) > 0 {
-		var choice ChatCompletionsStreamResponseChoice
+		var choice types.ChatCompletionStreamChoice
 		choice.Delta.Content = TencentResponse.Choices[0].Delta.Content
 		if TencentResponse.Choices[0].FinishReason == "stop" {
 			choice.FinishReason = &stopFinishReason
@@ -149,7 +191,19 @@ func streamResponseTencent2OpenAI(TencentResponse *TencentChatResponse) *ChatCom
 	return &response
 }
 
-func tencentStreamHandler(c *gin.Context, resp *http.Response) (*OpenAIErrorWithStatusCode, string) {
+func (p *TencentProvider) sendStreamRequest(req *http.Request) (*types.OpenAIErrorWithStatusCode, string) {
+	// 发送请求
+	resp, err := common.HttpClient.Do(req)
+	if err != nil {
+		return types.ErrorWrapper(err, "http_request_failed", http.StatusInternalServerError), ""
+	}
+
+	if common.IsFailureStatusCode(resp) {
+		return p.handleErrorResp(resp), ""
+	}
+
+	defer resp.Body.Close()
+
 	var responseText string
 	scanner := bufio.NewScanner(resp.Body)
 	scanner.Split(func(data []byte, atEOF bool) (advance int, token []byte, err error) {
@@ -180,8 +234,8 @@ func tencentStreamHandler(c *gin.Context, resp *http.Response) (*OpenAIErrorWith
 		}
 		stopChan <- true
 	}()
-	setEventStreamHeaders(c)
+	setEventStreamHeaders(p.Context)
-	c.Stream(func(w io.Writer) bool {
+	p.Context.Stream(func(w io.Writer) bool {
 		select {
 		case data := <-dataChan:
 			var TencentResponse TencentChatResponse
@@ -190,7 +244,7 @@ func tencentStreamHandler(c *gin.Context, resp *http.Response) (*OpenAIErrorWith
 				common.SysError("error unmarshalling stream response: " + err.Error())
 				return true
 			}
-			response := streamResponseTencent2OpenAI(&TencentResponse)
+			response := p.streamResponseTencent2OpenAI(&TencentResponse)
 			if len(response.Choices) != 0 {
 				responseText += response.Choices[0].Delta.Content
 			}
@@ -199,89 +253,13 @@ func tencentStreamHandler(c *gin.Context, resp *http.Response) (*OpenAIErrorWith
 				common.SysError("error marshalling stream response: " + err.Error())
 				return true
 			}
-			c.Render(-1, common.CustomEvent{Data: "data: " + string(jsonResponse)})
+			p.Context.Render(-1, common.CustomEvent{Data: "data: " + string(jsonResponse)})
 			return true
 		case <-stopChan:
-			c.Render(-1, common.CustomEvent{Data: "data: [DONE]"})
+			p.Context.Render(-1, common.CustomEvent{Data: "data: [DONE]"})
 			return false
 		}
 	})
-	err := resp.Body.Close()
+
-	if err != nil {
-		return errorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), ""
-	}
 	return nil, responseText
 }
-
-func tencentHandler(c *gin.Context, resp *http.Response) (*OpenAIErrorWithStatusCode, *Usage) {
-	var TencentResponse TencentChatResponse
-	responseBody, err := io.ReadAll(resp.Body)
-	if err != nil {
-		return errorWrapper(err, "read_response_body_failed", http.StatusInternalServerError), nil
-	}
-	err = resp.Body.Close()
-	if err != nil {
-		return errorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), nil
-	}
-	err = json.Unmarshal(responseBody, &TencentResponse)
-	if err != nil {
-		return errorWrapper(err, "unmarshal_response_body_failed", http.StatusInternalServerError), nil
-	}
-	if TencentResponse.Error.Code != 0 {
-		return &OpenAIErrorWithStatusCode{
-			OpenAIError: OpenAIError{
-				Message: TencentResponse.Error.Message,
-				Code:    TencentResponse.Error.Code,
-			},
-			StatusCode: resp.StatusCode,
-		}, nil
-	}
-	fullTextResponse := responseTencent2OpenAI(&TencentResponse)
-	jsonResponse, err := json.Marshal(fullTextResponse)
-	if err != nil {
-		return errorWrapper(err, "marshal_response_body_failed", http.StatusInternalServerError), nil
-	}
-	c.Writer.Header().Set("Content-Type", "application/json")
-	c.Writer.WriteHeader(resp.StatusCode)
-	_, err = c.Writer.Write(jsonResponse)
-	return nil, &fullTextResponse.Usage
-}
-
-func parseTencentConfig(config string) (appId int64, secretId string, secretKey string, err error) {
-	parts := strings.Split(config, "|")
-	if len(parts) != 3 {
-		err = errors.New("invalid tencent config")
-		return
-	}
-	appId, err = strconv.ParseInt(parts[0], 10, 64)
-	secretId = parts[1]
-	secretKey = parts[2]
-	return
-}
-
-func getTencentSign(req TencentChatRequest, secretKey string) string {
-	params := make([]string, 0)
-	params = append(params, "app_id="+strconv.FormatInt(req.AppId, 10))
-	params = append(params, "secret_id="+req.SecretId)
-	params = append(params, "timestamp="+strconv.FormatInt(req.Timestamp, 10))
-	params = append(params, "query_id="+req.QueryID)
-	params = append(params, "temperature="+strconv.FormatFloat(req.Temperature, 'f', -1, 64))
-	params = append(params, "top_p="+strconv.FormatFloat(req.TopP, 'f', -1, 64))
-	params = append(params, "stream="+strconv.Itoa(req.Stream))
-	params = append(params, "expired="+strconv.FormatInt(req.Expired, 10))
-
-	var messageStr string
-	for _, msg := range req.Messages {
-		messageStr += fmt.Sprintf(`{"role":"%s","content":"%s"},`, msg.Role, msg.Content)
-	}
-	messageStr = strings.TrimSuffix(messageStr, ",")
-	params = append(params, "messages=["+messageStr+"]")
-
-	sort.Sort(sort.StringSlice(params))
-	url := "hunyuan.cloud.tencent.com/hyllm/v1/chat/completions?" + strings.Join(params, "&")
-	mac := hmac.New(sha1.New, []byte(secretKey))
-	signURL := url
-	mac.Write([]byte(signURL))
-	sign := mac.Sum([]byte(nil))
-	return base64.StdEncoding.EncodeToString(sign)
-}

providers/xunfei_base.go

@@ -0,0 +1,96 @@
+package providers
+
+import (
+	"crypto/hmac"
+	"crypto/sha256"
+	"encoding/base64"
+	"fmt"
+	"net/url"
+	"one-api/common"
+	"strings"
+	"time"
+
+	"github.com/gin-gonic/gin"
+)
+
+// https://www.xfyun.cn/doc/spark/Web.html
+type XunfeiProvider struct {
+	ProviderConfig
+	domain string
+	apiId  string
+}
+
+// 创建 XunfeiProvider
+func CreateXunfeiProvider(c *gin.Context) *XunfeiProvider {
+	return &XunfeiProvider{
+		ProviderConfig: ProviderConfig{
+			BaseURL:         "wss://spark-api.xf-yun.com",
+			ChatCompletions: "",
+			Context:         c,
+		},
+	}
+}
+
+// 获取请求头
+func (p *XunfeiProvider) GetRequestHeaders() (headers map[string]string) {
+	headers = make(map[string]string)
+	return headers
+}
+
+// 获取完整请求 URL
+func (p *XunfeiProvider) GetFullRequestURL(requestURL string, modelName string) string {
+	splits := strings.Split(p.Context.GetString("api_key"), "|")
+	if len(splits) != 3 {
+		return ""
+	}
+	domain, authUrl := p.getXunfeiAuthUrl(splits[2], splits[1])
+
+	p.domain = domain
+	p.apiId = splits[0]
+
+	return authUrl
+}
+
+func (p *XunfeiProvider) getXunfeiAuthUrl(apiKey string, apiSecret string) (string, string) {
+	query := p.Context.Request.URL.Query()
+	apiVersion := query.Get("api-version")
+	if apiVersion == "" {
+		apiVersion = p.Context.GetString("api_version")
+	}
+	if apiVersion == "" {
+		apiVersion = "v1.1"
+		common.SysLog("api_version not found, use default: " + apiVersion)
+	}
+	domain := "general"
+	if apiVersion != "v1.1" {
+		domain += strings.Split(apiVersion, ".")[0]
+	}
+	authUrl := p.buildXunfeiAuthUrl(fmt.Sprintf("%s/%s/chat", p.BaseURL, apiVersion), apiKey, apiSecret)
+	return domain, authUrl
+}
+
+func (p *XunfeiProvider) buildXunfeiAuthUrl(hostUrl string, apiKey, apiSecret string) string {
+	HmacWithShaToBase64 := func(algorithm, data, key string) string {
+		mac := hmac.New(sha256.New, []byte(key))
+		mac.Write([]byte(data))
+		encodeData := mac.Sum(nil)
+		return base64.StdEncoding.EncodeToString(encodeData)
+	}
+	ul, err := url.Parse(hostUrl)
+	if err != nil {
+		fmt.Println(err)
+	}
+	date := time.Now().UTC().Format(time.RFC1123)
+	signString := []string{"host: " + ul.Host, "date: " + date, "GET " + ul.Path + " HTTP/1.1"}
+	sign := strings.Join(signString, "\n")
+	sha := HmacWithShaToBase64("hmac-sha256", sign, apiSecret)
+	authUrl := fmt.Sprintf("hmac username=\"%s\", algorithm=\"%s\", headers=\"%s\", signature=\"%s\"", apiKey,
+		"hmac-sha256", "host date request-line", sha)
+	authorization := base64.StdEncoding.EncodeToString([]byte(authUrl))
+	v := url.Values{}
+	v.Add("host", ul.Host)
+	v.Add("date", date)
+	v.Add("authorization", authorization)
+	callUrl := hostUrl + "?" + v.Encode()
+	return callUrl
+}

providers/xunfei_chat.go

@@ -1,23 +1,15 @@
-package controller
+package providers
 
 import (
-	"crypto/hmac"
-	"crypto/sha256"
-	"encoding/base64"
 	"encoding/json"
-	"fmt"
-	"github.com/gin-gonic/gin"
-	"github.com/gorilla/websocket"
 	"io"
 	"net/http"
-	"net/url"
 	"one-api/common"
-	"strings"
+	"one-api/types"
 	"time"
-)
 
-// https://console.xfyun.cn/services/cbm
+	"github.com/gorilla/websocket"
-// https://www.xfyun.cn/doc/spark/Web.html
+)
 
 type XunfeiMessage struct {
 	Role    string `json:"role"`
@@ -70,150 +62,28 @@ type XunfeiChatResponse struct {
 			//	CompletionTokens string `json:"completion_tokens"`
 			//	TotalTokens      string `json:"total_tokens"`
 			//} `json:"text"`
-			Text Usage `json:"text"`
+			Text types.Usage `json:"text"`
 		} `json:"usage"`
 	} `json:"payload"`
 }
 
-func requestOpenAI2Xunfei(request GeneralOpenAIRequest, xunfeiAppId string, domain string) *XunfeiChatRequest {
+func (p *XunfeiProvider) ChatCompleteResponse(request *types.ChatCompletionRequest, isModelMapped bool, promptTokens int) (usage *types.Usage, openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode) {
-	messages := make([]XunfeiMessage, 0, len(request.Messages))
+	authUrl := p.GetFullRequestURL(p.ChatCompletions, request.Model)
-	for _, message := range request.Messages {
+
-		if message.Role == "system" {
+	if request.Stream {
-			messages = append(messages, XunfeiMessage{
+		return p.sendStreamRequest(request, authUrl)
-				Role:    "user",
+	} else {
-				Content: message.StringContent(),
+		return p.sendRequest(request, authUrl)
-			})
-			messages = append(messages, XunfeiMessage{
-				Role:    "assistant",
-				Content: "Okay",
-			})
-		} else {
-			messages = append(messages, XunfeiMessage{
-				Role:    message.Role,
-				Content: message.StringContent(),
-			})
-		}
 	}
-	xunfeiRequest := XunfeiChatRequest{}
-	xunfeiRequest.Header.AppId = xunfeiAppId
-	xunfeiRequest.Parameter.Chat.Domain = domain
-	xunfeiRequest.Parameter.Chat.Temperature = request.Temperature
-	xunfeiRequest.Parameter.Chat.TopK = request.N
-	xunfeiRequest.Parameter.Chat.MaxTokens = request.MaxTokens
-	xunfeiRequest.Payload.Message.Text = messages
-	return &xunfeiRequest
 }
 
-func responseXunfei2OpenAI(response *XunfeiChatResponse) *OpenAITextResponse {
+func (p *XunfeiProvider) sendRequest(request *types.ChatCompletionRequest, authUrl string) (usage *types.Usage, openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode) {
-	if len(response.Payload.Choices.Text) == 0 {
+	usage = &types.Usage{}
-		response.Payload.Choices.Text = []XunfeiChatResponseTextItem{
+	dataChan, stopChan, err := p.xunfeiMakeRequest(request, authUrl)
-			{
-				Content: "",
-			},
-		}
-	}
-	choice := OpenAITextResponseChoice{
-		Index: 0,
-		Message: Message{
-			Role:    "assistant",
-			Content: response.Payload.Choices.Text[0].Content,
-		},
-		FinishReason: stopFinishReason,
-	}
-	fullTextResponse := OpenAITextResponse{
-		Object:  "chat.completion",
-		Created: common.GetTimestamp(),
-		Choices: []OpenAITextResponseChoice{choice},
-		Usage:   response.Payload.Usage.Text,
-	}
-	return &fullTextResponse
-}
-
-func streamResponseXunfei2OpenAI(xunfeiResponse *XunfeiChatResponse) *ChatCompletionsStreamResponse {
-	if len(xunfeiResponse.Payload.Choices.Text) == 0 {
-		xunfeiResponse.Payload.Choices.Text = []XunfeiChatResponseTextItem{
-			{
-				Content: "",
-			},
-		}
-	}
-	var choice ChatCompletionsStreamResponseChoice
-	choice.Delta.Content = xunfeiResponse.Payload.Choices.Text[0].Content
-	if xunfeiResponse.Payload.Choices.Status == 2 {
-		choice.FinishReason = &stopFinishReason
-	}
-	response := ChatCompletionsStreamResponse{
-		Object:  "chat.completion.chunk",
-		Created: common.GetTimestamp(),
-		Model:   "SparkDesk",
-		Choices: []ChatCompletionsStreamResponseChoice{choice},
-	}
-	return &response
-}
-
-func buildXunfeiAuthUrl(hostUrl string, apiKey, apiSecret string) string {
-	HmacWithShaToBase64 := func(algorithm, data, key string) string {
-		mac := hmac.New(sha256.New, []byte(key))
-		mac.Write([]byte(data))
-		encodeData := mac.Sum(nil)
-		return base64.StdEncoding.EncodeToString(encodeData)
-	}
-	ul, err := url.Parse(hostUrl)
 	if err != nil {
-		fmt.Println(err)
+		return nil, types.ErrorWrapper(err, "make xunfei request err", http.StatusInternalServerError)
 	}
-	date := time.Now().UTC().Format(time.RFC1123)
-	signString := []string{"host: " + ul.Host, "date: " + date, "GET " + ul.Path + " HTTP/1.1"}
-	sign := strings.Join(signString, "\n")
-	sha := HmacWithShaToBase64("hmac-sha256", sign, apiSecret)
-	authUrl := fmt.Sprintf("hmac username=\"%s\", algorithm=\"%s\", headers=\"%s\", signature=\"%s\"", apiKey,
-		"hmac-sha256", "host date request-line", sha)
-	authorization := base64.StdEncoding.EncodeToString([]byte(authUrl))
-	v := url.Values{}
-	v.Add("host", ul.Host)
-	v.Add("date", date)
-	v.Add("authorization", authorization)
-	callUrl := hostUrl + "?" + v.Encode()
-	return callUrl
-}
 
-func xunfeiStreamHandler(c *gin.Context, textRequest GeneralOpenAIRequest, appId string, apiSecret string, apiKey string) (*OpenAIErrorWithStatusCode, *Usage) {
-	domain, authUrl := getXunfeiAuthUrl(c, apiKey, apiSecret)
-	dataChan, stopChan, err := xunfeiMakeRequest(textRequest, domain, authUrl, appId)
-	if err != nil {
-		return errorWrapper(err, "make xunfei request err", http.StatusInternalServerError), nil
-	}
-	setEventStreamHeaders(c)
-	var usage Usage
-	c.Stream(func(w io.Writer) bool {
-		select {
-		case xunfeiResponse := <-dataChan:
-			usage.PromptTokens += xunfeiResponse.Payload.Usage.Text.PromptTokens
-			usage.CompletionTokens += xunfeiResponse.Payload.Usage.Text.CompletionTokens
-			usage.TotalTokens += xunfeiResponse.Payload.Usage.Text.TotalTokens
-			response := streamResponseXunfei2OpenAI(&xunfeiResponse)
-			jsonResponse, err := json.Marshal(response)
-			if err != nil {
-				common.SysError("error marshalling stream response: " + err.Error())
-				return true
-			}
-			c.Render(-1, common.CustomEvent{Data: "data: " + string(jsonResponse)})
-			return true
-		case <-stopChan:
-			c.Render(-1, common.CustomEvent{Data: "data: [DONE]"})
-			return false
-		}
-	})
-	return nil, &usage
-}
-
-func xunfeiHandler(c *gin.Context, textRequest GeneralOpenAIRequest, appId string, apiSecret string, apiKey string) (*OpenAIErrorWithStatusCode, *Usage) {
-	domain, authUrl := getXunfeiAuthUrl(c, apiKey, apiSecret)
-	dataChan, stopChan, err := xunfeiMakeRequest(textRequest, domain, authUrl, appId)
-	if err != nil {
-		return errorWrapper(err, "make xunfei request err", http.StatusInternalServerError), nil
-	}
-	var usage Usage
 	var content string
 	var xunfeiResponse XunfeiChatResponse
 	stop := false
@@ -233,17 +103,100 @@ func xunfeiHandler(c *gin.Context, textRequest GeneralOpenAIRequest, appId strin
 
 	xunfeiResponse.Payload.Choices.Text[0].Content = content
 
-	response := responseXunfei2OpenAI(&xunfeiResponse)
+	response := p.responseXunfei2OpenAI(&xunfeiResponse)
 	jsonResponse, err := json.Marshal(response)
 	if err != nil {
-		return errorWrapper(err, "marshal_response_body_failed", http.StatusInternalServerError), nil
+		return nil, types.ErrorWrapper(err, "marshal_response_body_failed", http.StatusInternalServerError)
 	}
-	c.Writer.Header().Set("Content-Type", "application/json")
+	p.Context.Writer.Header().Set("Content-Type", "application/json")
-	_, _ = c.Writer.Write(jsonResponse)
+	_, _ = p.Context.Writer.Write(jsonResponse)
-	return nil, &usage
+	return usage, nil
 }
 
-func xunfeiMakeRequest(textRequest GeneralOpenAIRequest, domain, authUrl, appId string) (chan XunfeiChatResponse, chan bool, error) {
+func (p *XunfeiProvider) sendStreamRequest(request *types.ChatCompletionRequest, authUrl string) (usage *types.Usage, openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode) {
+	usage = &types.Usage{}
+	dataChan, stopChan, err := p.xunfeiMakeRequest(request, authUrl)
+	if err != nil {
+		return nil, types.ErrorWrapper(err, "make xunfei request err", http.StatusInternalServerError)
+	}
+	setEventStreamHeaders(p.Context)
+	p.Context.Stream(func(w io.Writer) bool {
+		select {
+		case xunfeiResponse := <-dataChan:
+			usage.PromptTokens += xunfeiResponse.Payload.Usage.Text.PromptTokens
+			usage.CompletionTokens += xunfeiResponse.Payload.Usage.Text.CompletionTokens
+			usage.TotalTokens += xunfeiResponse.Payload.Usage.Text.TotalTokens
+			response := p.streamResponseXunfei2OpenAI(&xunfeiResponse)
+			jsonResponse, err := json.Marshal(response)
+			if err != nil {
+				common.SysError("error marshalling stream response: " + err.Error())
+				return true
+			}
+			p.Context.Render(-1, common.CustomEvent{Data: "data: " + string(jsonResponse)})
+			return true
+		case <-stopChan:
+			p.Context.Render(-1, common.CustomEvent{Data: "data: [DONE]"})
+			return false
+		}
+	})
+	return usage, nil
+}
+
+func (p *XunfeiProvider) requestOpenAI2Xunfei(request *types.ChatCompletionRequest) *XunfeiChatRequest {
+	messages := make([]XunfeiMessage, 0, len(request.Messages))
+	for _, message := range request.Messages {
+		if message.Role == "system" {
+			messages = append(messages, XunfeiMessage{
+				Role:    "user",
+				Content: message.StringContent(),
+			})
+			messages = append(messages, XunfeiMessage{
+				Role:    "assistant",
+				Content: "Okay",
+			})
+		} else {
+			messages = append(messages, XunfeiMessage{
+				Role:    message.Role,
+				Content: message.StringContent(),
+			})
+		}
+	}
+	xunfeiRequest := XunfeiChatRequest{}
+	xunfeiRequest.Header.AppId = p.apiId
+	xunfeiRequest.Parameter.Chat.Domain = p.domain
+	xunfeiRequest.Parameter.Chat.Temperature = request.Temperature
+	xunfeiRequest.Parameter.Chat.TopK = request.N
+	xunfeiRequest.Parameter.Chat.MaxTokens = request.MaxTokens
+	xunfeiRequest.Payload.Message.Text = messages
+	return &xunfeiRequest
+}
+
+func (p *XunfeiProvider) responseXunfei2OpenAI(response *XunfeiChatResponse) *types.ChatCompletionResponse {
+	if len(response.Payload.Choices.Text) == 0 {
+		response.Payload.Choices.Text = []XunfeiChatResponseTextItem{
+			{
+				Content: "",
+			},
+		}
+	}
+	choice := types.ChatCompletionChoice{
+		Index: 0,
+		Message: types.ChatCompletionMessage{
+			Role:    "assistant",
+			Content: response.Payload.Choices.Text[0].Content,
+		},
+		FinishReason: stopFinishReason,
+	}
+	fullTextResponse := types.ChatCompletionResponse{
+		Object:  "chat.completion",
+		Created: common.GetTimestamp(),
+		Choices: []types.ChatCompletionChoice{choice},
+		Usage:   &response.Payload.Usage.Text,
+	}
+	return &fullTextResponse
+}
+
+func (p *XunfeiProvider) xunfeiMakeRequest(textRequest *types.ChatCompletionRequest, authUrl string) (chan XunfeiChatResponse, chan bool, error) {
 	d := websocket.Dialer{
 		HandshakeTimeout: 5 * time.Second,
 	}
@@ -251,7 +204,7 @@ func xunfeiMakeRequest(textRequest GeneralOpenAIRequest, domain, authUrl, appId
 	if err != nil || resp.StatusCode != 101 {
 		return nil, nil, err
 	}
-	data := requestOpenAI2Xunfei(textRequest, appId, domain)
+	data := p.requestOpenAI2Xunfei(textRequest)
 	err = conn.WriteJSON(data)
 	if err != nil {
 		return nil, nil, err
@@ -287,20 +240,24 @@ func xunfeiMakeRequest(textRequest GeneralOpenAIRequest, domain, authUrl, appId
 	return dataChan, stopChan, nil
 }
 
-func getXunfeiAuthUrl(c *gin.Context, apiKey string, apiSecret string) (string, string) {
+func (p *XunfeiProvider) streamResponseXunfei2OpenAI(xunfeiResponse *XunfeiChatResponse) *types.ChatCompletionStreamResponse {
-	query := c.Request.URL.Query()
+	if len(xunfeiResponse.Payload.Choices.Text) == 0 {
-	apiVersion := query.Get("api-version")
+		xunfeiResponse.Payload.Choices.Text = []XunfeiChatResponseTextItem{
-	if apiVersion == "" {
+			{
-		apiVersion = c.GetString("api_version")
+				Content: "",
+			},
+		}
 	}
-	if apiVersion == "" {
+	var choice types.ChatCompletionStreamChoice
-		apiVersion = "v1.1"
+	choice.Delta.Content = xunfeiResponse.Payload.Choices.Text[0].Content
-		common.SysLog("api_version not found, use default: " + apiVersion)
+	if xunfeiResponse.Payload.Choices.Status == 2 {
+		choice.FinishReason = &stopFinishReason
 	}
-	domain := "general"
+	response := types.ChatCompletionStreamResponse{
-	if apiVersion != "v1.1" {
+		Object:  "chat.completion.chunk",
-		domain += strings.Split(apiVersion, ".")[0]
+		Created: common.GetTimestamp(),
+		Model:   "SparkDesk",
+		Choices: []types.ChatCompletionStreamChoice{choice},
 	}
-	authUrl := buildXunfeiAuthUrl(fmt.Sprintf("wss://spark-api.xf-yun.com/%s/chat", apiVersion), apiKey, apiSecret)
+	return &response
-	return domain, authUrl
 }

providers/zhipu_base.go

@@ -0,0 +1,104 @@
+package providers
+
+import (
+	"fmt"
+	"one-api/common"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/golang-jwt/jwt"
+)
+
+var zhipuTokens sync.Map
+var expSeconds int64 = 24 * 3600
+
+type ZhipuProvider struct {
+	ProviderConfig
+}
+
+type zhipuTokenData struct {
+	Token      string
+	ExpiryTime time.Time
+}
+
+// 创建 ZhipuProvider
+func CreateZhipuProvider(c *gin.Context) *ZhipuProvider {
+	return &ZhipuProvider{
+		ProviderConfig: ProviderConfig{
+			BaseURL:         "https://open.bigmodel.cn",
+			ChatCompletions: "/api/paas/v3/model-api",
+			Context:         c,
+		},
+	}
+}
+
+// 获取请求头
+func (p *ZhipuProvider) GetRequestHeaders() (headers map[string]string) {
+	headers = make(map[string]string)
+
+	headers["Authorization"] = p.getZhipuToken()
+	headers["Content-Type"] = p.Context.Request.Header.Get("Content-Type")
+	headers["Accept"] = p.Context.Request.Header.Get("Accept")
+	if headers["Content-Type"] == "" {
+		headers["Content-Type"] = "application/json"
+	}
+
+	return headers
+}
+
+// 获取完整请求 URL
+func (p *ZhipuProvider) GetFullRequestURL(requestURL string, modelName string) string {
+	baseURL := strings.TrimSuffix(p.GetBaseURL(), "/")
+
+	return fmt.Sprintf("%s%s/%s", baseURL, requestURL, modelName)
+}
+
+func (p *ZhipuProvider) getZhipuToken() string {
+	apikey := p.Context.GetString("api_key")
+	data, ok := zhipuTokens.Load(apikey)
+	if ok {
+		tokenData := data.(zhipuTokenData)
+		if time.Now().Before(tokenData.ExpiryTime) {
+			return tokenData.Token
+		}
+	}
+
+	split := strings.Split(apikey, ".")
+	if len(split) != 2 {
+		common.SysError("invalid zhipu key: " + apikey)
+		return ""
+	}
+
+	id := split[0]
+	secret := split[1]
+
+	expMillis := time.Now().Add(time.Duration(expSeconds)*time.Second).UnixNano() / 1e6
+	expiryTime := time.Now().Add(time.Duration(expSeconds) * time.Second)
+
+	timestamp := time.Now().UnixNano() / 1e6
+
+	payload := jwt.MapClaims{
+		"api_key":   id,
+		"exp":       expMillis,
+		"timestamp": timestamp,
+	}
+
+	token := jwt.NewWithClaims(jwt.SigningMethodHS256, payload)
+
+	token.Header["alg"] = "HS256"
+	token.Header["sign_type"] = "SIGN"
+
+	tokenString, err := token.SignedString([]byte(secret))
+	if err != nil {
+		return ""
+	}
+
+	zhipuTokens.Store(apikey, zhipuTokenData{
+		Token:      tokenString,
+		ExpiryTime: expiryTime,
+	})
+
+	return tokenString
+}

providers/zhipu_chat.go

@@ -0,0 +1,260 @@
+package providers
+
+import (
+	"bufio"
+	"encoding/json"
+	"io"
+	"net/http"
+	"one-api/common"
+	"one-api/types"
+	"strings"
+)
+
+type ZhipuMessage struct {
+	Role    string `json:"role"`
+	Content string `json:"content"`
+}
+
+type ZhipuRequest struct {
+	Prompt      []ZhipuMessage `json:"prompt"`
+	Temperature float64        `json:"temperature,omitempty"`
+	TopP        float64        `json:"top_p,omitempty"`
+	RequestId   string         `json:"request_id,omitempty"`
+	Incremental bool           `json:"incremental,omitempty"`
+}
+
+type ZhipuResponseData struct {
+	TaskId      string         `json:"task_id"`
+	RequestId   string         `json:"request_id"`
+	TaskStatus  string         `json:"task_status"`
+	Choices     []ZhipuMessage `json:"choices"`
+	types.Usage `json:"usage"`
+}
+
+type ZhipuResponse struct {
+	Code    int               `json:"code"`
+	Msg     string            `json:"msg"`
+	Success bool              `json:"success"`
+	Data    ZhipuResponseData `json:"data"`
+}
+
+type ZhipuStreamMetaResponse struct {
+	RequestId   string `json:"request_id"`
+	TaskId      string `json:"task_id"`
+	TaskStatus  string `json:"task_status"`
+	types.Usage `json:"usage"`
+}
+
+func (zhipuResponse *ZhipuResponse) requestHandler(resp *http.Response) (OpenAIResponse any, openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode) {
+	if !zhipuResponse.Success {
+		return &types.OpenAIErrorWithStatusCode{
+			OpenAIError: types.OpenAIError{
+				Message: zhipuResponse.Msg,
+				Type:    "zhipu_error",
+				Param:   "",
+				Code:    zhipuResponse.Code,
+			},
+			StatusCode: resp.StatusCode,
+		}, nil
+	}
+
+	fullTextResponse := types.ChatCompletionResponse{
+		ID:      zhipuResponse.Data.TaskId,
+		Object:  "chat.completion",
+		Created: common.GetTimestamp(),
+		Choices: make([]types.ChatCompletionChoice, 0, len(zhipuResponse.Data.Choices)),
+		Usage:   &zhipuResponse.Data.Usage,
+	}
+	for i, choice := range zhipuResponse.Data.Choices {
+		openaiChoice := types.ChatCompletionChoice{
+			Index: i,
+			Message: types.ChatCompletionMessage{
+				Role:    choice.Role,
+				Content: strings.Trim(choice.Content, "\""),
+			},
+			FinishReason: "",
+		}
+		if i == len(zhipuResponse.Data.Choices)-1 {
+			openaiChoice.FinishReason = "stop"
+		}
+		fullTextResponse.Choices = append(fullTextResponse.Choices, openaiChoice)
+	}
+	return fullTextResponse, nil
+
+}
+
+func (p *ZhipuProvider) getChatRequestBody(request *types.ChatCompletionRequest) *ZhipuRequest {
+	messages := make([]ZhipuMessage, 0, len(request.Messages))
+	for _, message := range request.Messages {
+		if message.Role == "system" {
+			messages = append(messages, ZhipuMessage{
+				Role:    "system",
+				Content: message.StringContent(),
+			})
+			messages = append(messages, ZhipuMessage{
+				Role:    "user",
+				Content: "Okay",
+			})
+		} else {
+			messages = append(messages, ZhipuMessage{
+				Role:    message.Role,
+				Content: message.StringContent(),
+			})
+		}
+	}
+	return &ZhipuRequest{
+		Prompt:      messages,
+		Temperature: request.Temperature,
+		TopP:        request.TopP,
+		Incremental: false,
+	}
+}
+
+func (p *ZhipuProvider) ChatCompleteResponse(request *types.ChatCompletionRequest, isModelMapped bool, promptTokens int) (usage *types.Usage, openAIErrorWithStatusCode *types.OpenAIErrorWithStatusCode) {
+	requestBody := p.getChatRequestBody(request)
+	fullRequestURL := p.GetFullRequestURL(p.ChatCompletions, request.Model)
+	headers := p.GetRequestHeaders()
+	if request.Stream {
+		headers["Accept"] = "text/event-stream"
+		fullRequestURL += "/sse-invoke"
+	} else {
+		fullRequestURL += "/invoke"
+	}
+
+	client := common.NewClient()
+	req, err := client.NewRequest(p.Context.Request.Method, fullRequestURL, common.WithBody(requestBody), common.WithHeader(headers))
+	if err != nil {
+		return nil, types.ErrorWrapper(err, "new_request_failed", http.StatusInternalServerError)
+	}
+
+	if request.Stream {
+		openAIErrorWithStatusCode, usage = p.sendStreamRequest(req)
+		if openAIErrorWithStatusCode != nil {
+			return
+		}
+
+	} else {
+		zhipuResponse := &ZhipuResponse{}
+		openAIErrorWithStatusCode = p.sendRequest(req, zhipuResponse)
+		if openAIErrorWithStatusCode != nil {
+			return
+		}
+
+		usage = &zhipuResponse.Data.Usage
+	}
+	return
+
+}
+
+func (p *ZhipuProvider) streamResponseZhipu2OpenAI(zhipuResponse string) *types.ChatCompletionStreamResponse {
+	var choice types.ChatCompletionStreamChoice
+	choice.Delta.Content = zhipuResponse
+	response := types.ChatCompletionStreamResponse{
+		Object:  "chat.completion.chunk",
+		Created: common.GetTimestamp(),
+		Model:   "chatglm",
+		Choices: []types.ChatCompletionStreamChoice{choice},
+	}
+	return &response
+}
+
+func (p *ZhipuProvider) streamMetaResponseZhipu2OpenAI(zhipuResponse *ZhipuStreamMetaResponse) (*types.ChatCompletionStreamResponse, *types.Usage) {
+	var choice types.ChatCompletionStreamChoice
+	choice.Delta.Content = ""
+	choice.FinishReason = &stopFinishReason
+	response := types.ChatCompletionStreamResponse{
+		ID:      zhipuResponse.RequestId,
+		Object:  "chat.completion.chunk",
+		Created: common.GetTimestamp(),
+		Model:   "chatglm",
+		Choices: []types.ChatCompletionStreamChoice{choice},
+	}
+	return &response, &zhipuResponse.Usage
+}
+
+func (p *ZhipuProvider) sendStreamRequest(req *http.Request) (*types.OpenAIErrorWithStatusCode, *types.Usage) {
+	// 发送请求
+	resp, err := common.HttpClient.Do(req)
+	if err != nil {
+		return types.ErrorWrapper(err, "http_request_failed", http.StatusInternalServerError), nil
+	}
+
+	if common.IsFailureStatusCode(resp) {
+		return p.handleErrorResp(resp), nil
+	}
+
+	defer resp.Body.Close()
+
+	var usage *types.Usage
+	scanner := bufio.NewScanner(resp.Body)
+	scanner.Split(func(data []byte, atEOF bool) (advance int, token []byte, err error) {
+		if atEOF && len(data) == 0 {
+			return 0, nil, nil
+		}
+		if i := strings.Index(string(data), "\n\n"); i >= 0 && strings.Index(string(data), ":") >= 0 {
+			return i + 2, data[0:i], nil
+		}
+		if atEOF {
+			return len(data), data, nil
+		}
+		return 0, nil, nil
+	})
+	dataChan := make(chan string)
+	metaChan := make(chan string)
+	stopChan := make(chan bool)
+	go func() {
+		for scanner.Scan() {
+			data := scanner.Text()
+			lines := strings.Split(data, "\n")
+			for i, line := range lines {
+				if len(line) < 5 {
+					continue
+				}
+				if line[:5] == "data:" {
+					dataChan <- line[5:]
+					if i != len(lines)-1 {
+						dataChan <- "\n"
+					}
+				} else if line[:5] == "meta:" {
+					metaChan <- line[5:]
+				}
+			}
+		}
+		stopChan <- true
+	}()
+	setEventStreamHeaders(p.Context)
+	p.Context.Stream(func(w io.Writer) bool {
+		select {
+		case data := <-dataChan:
+			response := p.streamResponseZhipu2OpenAI(data)
+			jsonResponse, err := json.Marshal(response)
+			if err != nil {
+				common.SysError("error marshalling stream response: " + err.Error())
+				return true
+			}
+			p.Context.Render(-1, common.CustomEvent{Data: "data: " + string(jsonResponse)})
+			return true
+		case data := <-metaChan:
+			var zhipuResponse ZhipuStreamMetaResponse
+			err := json.Unmarshal([]byte(data), &zhipuResponse)
+			if err != nil {
+				common.SysError("error unmarshalling stream response: " + err.Error())
+				return true
+			}
+			response, zhipuUsage := p.streamMetaResponseZhipu2OpenAI(&zhipuResponse)
+			jsonResponse, err := json.Marshal(response)
+			if err != nil {
+				common.SysError("error marshalling stream response: " + err.Error())
+				return true
+			}
+			usage = zhipuUsage
+			p.Context.Render(-1, common.CustomEvent{Data: "data: " + string(jsonResponse)})
+			return true
+		case <-stopChan:
+			p.Context.Render(-1, common.CustomEvent{Data: "data: [DONE]"})
+			return false
+		}
+	})
+
+	return nil, usage
+}

types/assistant.go

@@ -0,0 +1,53 @@
+package types
+
+type Assistant struct {
+	ID           string         `json:"id"`
+	Object       string         `json:"object"`
+	CreatedAt    int64          `json:"created_at"`
+	Name         *string        `json:"name,omitempty"`
+	Description  *string        `json:"description,omitempty"`
+	Model        string         `json:"model"`
+	Instructions *string        `json:"instructions,omitempty"`
+	Tools        any            `json:"tools,omitempty"`
+	FileIDs      []string       `json:"file_ids,omitempty"`
+	Metadata     map[string]any `json:"metadata,omitempty"`
+}
+
+type AssistantRequest struct {
+	Model        string         `json:"model"`
+	Name         *string        `json:"name,omitempty"`
+	Description  *string        `json:"description,omitempty"`
+	Instructions *string        `json:"instructions,omitempty"`
+	Tools        any            `json:"tools,omitempty"`
+	FileIDs      []string       `json:"file_ids,omitempty"`
+	Metadata     map[string]any `json:"metadata,omitempty"`
+}
+
+// AssistantsList is a list of assistants.
+type AssistantsList struct {
+	Assistants []Assistant `json:"data"`
+	LastID     *string     `json:"last_id"`
+	FirstID    *string     `json:"first_id"`
+	HasMore    bool        `json:"has_more"`
+}
+
+type AssistantDeleteResponse struct {
+	ID      string `json:"id"`
+	Object  string `json:"object"`
+	Deleted bool   `json:"deleted"`
+}
+
+type AssistantFile struct {
+	ID          string `json:"id"`
+	Object      string `json:"object"`
+	CreatedAt   int64  `json:"created_at"`
+	AssistantID string `json:"assistant_id"`
+}
+
+type AssistantFileRequest struct {
+	FileID string `json:"file_id"`
+}
+
+type AssistantFilesList struct {
+	AssistantFiles []AssistantFile `json:"data"`
+}

types/audio.go

@@ -0,0 +1,9 @@
+package types
+
+type SpeechAudioRequest struct {
+	Model          string  `json:"model"`
+	Input          string  `json:"input"`
+	Voice          string  `json:"voice"`
+	ResponseFormat string  `json:"response_format,omitempty"`
+	Speed          float64 `json:"speed,omitempty"`
+}

types/chat.go

@@ -0,0 +1,109 @@
+package types
+
+type ChatCompletionMessage struct {
+	Role         string  `json:"role"`
+	Content      any     `json:"content"`
+	Name         *string `json:"name,omitempty"`
+	FunctionCall any     `json:"function_call,omitempty"`
+	ToolCalls    any     `json:"tool_calls,omitempty"`
+	ToolCallID   string  `json:"tool_call_id,omitempty"`
+}
+
+func (m ChatCompletionMessage) StringContent() string {
+	content, ok := m.Content.(string)
+	if ok {
+		return content
+	}
+	contentList, ok := m.Content.([]any)
+	if ok {
+		var contentStr string
+		for _, contentItem := range contentList {
+			contentMap, ok := contentItem.(map[string]any)
+			if !ok {
+				continue
+			}
+			if contentMap["type"] == "text" {
+				if subStr, ok := contentMap["text"].(string); ok {
+					contentStr += subStr
+				}
+			}
+		}
+		return contentStr
+	}
+	return ""
+}
+
+type ChatMessageImageURL struct {
+	URL    string `json:"url,omitempty"`
+	Detail string `json:"detail,omitempty"`
+}
+
+type ChatMessagePart struct {
+	Type     string               `json:"type,omitempty"`
+	Text     string               `json:"text,omitempty"`
+	ImageURL *ChatMessageImageURL `json:"image_url,omitempty"`
+}
+
+type ChatCompletionResponseFormat struct {
+	Type string `json:"type,omitempty"`
+}
+
+type ChatCompletionRequest struct {
+	Model            string                        `json:"model"`
+	Messages         []ChatCompletionMessage       `json:"messages"`
+	MaxTokens        int                           `json:"max_tokens,omitempty"`
+	Temperature      float64                       `json:"temperature,omitempty"`
+	TopP             float64                       `json:"top_p,omitempty"`
+	N                int                           `json:"n,omitempty"`
+	Stream           bool                          `json:"stream,omitempty"`
+	Stop             []string                      `json:"stop,omitempty"`
+	PresencePenalty  float64                       `json:"presence_penalty,omitempty"`
+	ResponseFormat   *ChatCompletionResponseFormat `json:"response_format,omitempty"`
+	Seed             *int                          `json:"seed,omitempty"`
+	FrequencyPenalty float64                       `json:"frequency_penalty,omitempty"`
+	LogitBias        any                           `json:"logit_bias,omitempty"`
+	User             string                        `json:"user,omitempty"`
+	Functions        any                           `json:"functions,omitempty"`
+	FunctionCall     any                           `json:"function_call,omitempty"`
+	Tools            any                           `json:"tools,omitempty"`
+	ToolChoice       any                           `json:"tool_choice,omitempty"`
+}
+
+type ChatCompletionChoice struct {
+	Index        int                   `json:"index"`
+	Message      ChatCompletionMessage `json:"message"`
+	FinishReason any                   `json:"finish_reason,omitempty"`
+}
+
+type ChatCompletionResponse struct {
+	ID                string                 `json:"id"`
+	Object            string                 `json:"object"`
+	Created           int64                  `json:"created"`
+	Model             string                 `json:"model"`
+	Choices           []ChatCompletionChoice `json:"choices"`
+	Usage             *Usage                 `json:"usage,omitempty"`
+	SystemFingerprint string                 `json:"system_fingerprint,omitempty"`
+}
+
+type ChatCompletionStreamChoiceDelta struct {
+	Content      string `json:"content,omitempty"`
+	Role         string `json:"role,omitempty"`
+	FunctionCall any    `json:"function_call,omitempty"`
+	ToolCalls    any    `json:"tool_calls,omitempty"`
+}
+
+type ChatCompletionStreamChoice struct {
+	Index                int                             `json:"index"`
+	Delta                ChatCompletionStreamChoiceDelta `json:"delta"`
+	FinishReason         any                             `json:"finish_reason"`
+	ContentFilterResults any                             `json:"content_filter_results,omitempty"`
+}
+
+type ChatCompletionStreamResponse struct {
+	ID                string                       `json:"id"`
+	Object            string                       `json:"object"`
+	Created           int64                        `json:"created"`
+	Model             string                       `json:"model"`
+	Choices           []ChatCompletionStreamChoice `json:"choices"`
+	PromptAnnotations any                          `json:"prompt_annotations,omitempty"`
+}

types/common.go

@@ -0,0 +1,40 @@
+package types
+
+type Usage struct {
+	PromptTokens     int `json:"prompt_tokens"`
+	CompletionTokens int `json:"completion_tokens"`
+	TotalTokens      int `json:"total_tokens"`
+}
+
+type OpenAIError struct {
+	Code       any    `json:"code,omitempty"`
+	Message    string `json:"message"`
+	Param      string `json:"param,omitempty"`
+	Type       string `json:"type"`
+	InnerError any    `json:"innererror,omitempty"`
+}
+
+type OpenAIErrorWithStatusCode struct {
+	OpenAIError
+	StatusCode int `json:"status_code"`
+}
+
+type OpenAIErrorResponse struct {
+	Error OpenAIError `json:"error,omitempty"`
+}
+
+func ErrorWrapper(err error, code string, statusCode int) *OpenAIErrorWithStatusCode {
+	openAIError := OpenAIError{
+		Message: err.Error(),
+		Type:    "one_api_error",
+		Code:    code,
+	}
+	return &OpenAIErrorWithStatusCode{
+		OpenAIError: openAIError,
+		StatusCode:  statusCode,
+	}
+}
+
+// type GeneralErrorHandling interface {
+// 	HandleError(resp *http.Response) (openAIErrorWithStatusCode *OpenAIErrorWithStatusCode)
+// }

types/completion.go

@@ -0,0 +1,36 @@
+package types
+
+type CompletionRequest struct {
+	Model            string   `json:"model"`
+	Prompt           any      `json:"prompt,omitempty"`
+	Suffix           string   `json:"suffix,omitempty"`
+	MaxTokens        int      `json:"max_tokens,omitempty"`
+	Temperature      float32  `json:"temperature,omitempty"`
+	TopP             float32  `json:"top_p,omitempty"`
+	N                int      `json:"n,omitempty"`
+	Stream           bool     `json:"stream,omitempty"`
+	LogProbs         int      `json:"logprobs,omitempty"`
+	Echo             bool     `json:"echo,omitempty"`
+	Stop             []string `json:"stop,omitempty"`
+	PresencePenalty  float32  `json:"presence_penalty,omitempty"`
+	FrequencyPenalty float32  `json:"frequency_penalty,omitempty"`
+	BestOf           int      `json:"best_of,omitempty"`
+	LogitBias        any      `json:"logit_bias,omitempty"`
+	User             string   `json:"user,omitempty"`
+}
+
+type CompletionChoice struct {
+	Text         string `json:"text"`
+	Index        int    `json:"index"`
+	FinishReason string `json:"finish_reason"`
+	LogProbs     any    `json:"logprobs,omitempty"`
+}
+
+type CompletionResponse struct {
+	ID      string             `json:"id"`
+	Object  string             `json:"object"`
+	Created int64              `json:"created"`
+	Model   string             `json:"model"`
+	Choices []CompletionChoice `json:"choices"`
+	Usage   *Usage             `json:"usage,omitempty"`
+}

types/embeddings.go

@@ -0,0 +1,40 @@
+package types
+
+type EmbeddingRequest struct {
+	Model          string `json:"model"`
+	Input          any    `json:"input"`
+	EncodingFormat string `json:"encoding_format,omitempty"`
+	User           string `json:"user,omitempty"`
+}
+
+type Embedding struct {
+	Object    string    `json:"object"`
+	Embedding []float64 `json:"embedding"`
+	Index     int       `json:"index"`
+}
+
+type EmbeddingResponse struct {
+	Object string      `json:"object"`
+	Data   []Embedding `json:"data"`
+	Model  string      `json:"model"`
+	Usage  *Usage      `json:"usage,omitempty"`
+}
+
+func (r EmbeddingRequest) ParseInput() []string {
+	if r.Input == nil {
+		return nil
+	}
+	var input []string
+	switch r.Input.(type) {
+	case string:
+		input = []string{r.Input.(string)}
+	case []any:
+		input = make([]string, 0, len(r.Input.([]any)))
+		for _, item := range r.Input.([]any) {
+			if str, ok := item.(string); ok {
+				input = append(input, str)
+			}
+		}
+	}
+	return input
+}

types/image.go

@@ -0,0 +1,23 @@
+package types
+
+type ImageRequest struct {
+	Prompt         string `json:"prompt,omitempty"`
+	Model          string `json:"model,omitempty"`
+	N              int    `json:"n,omitempty"`
+	Quality        string `json:"quality,omitempty"`
+	Size           string `json:"size,omitempty"`
+	Style          string `json:"style,omitempty"`
+	ResponseFormat string `json:"response_format,omitempty"`
+	User           string `json:"user,omitempty"`
+}
+
+type ImageResponse struct {
+	Created int64                    `json:"created,omitempty"`
+	Data    []ImageResponseDataInner `json:"data,omitempty"`
+}
+
+type ImageResponseDataInner struct {
+	URL           string `json:"url,omitempty"`
+	B64JSON       string `json:"b64_json,omitempty"`
+	RevisedPrompt string `json:"revised_prompt,omitempty"`
+}