feat: support email domain whitelist (#337)

* feat: support email domain restriction

* fix(SMTPToken): disable password auto complete

* chore: update implementation

---------

Co-authored-by: JustSong <songquanpeng@foxmail.com>

README.md

@@ -94,7 +94,7 @@ _✨ 通过标准的 OpenAI API 格式访问所有的大模型，开箱即用
 19. 支持通过系统访问令牌访问管理 API。
 20. 支持 Cloudflare Turnstile 用户校验。
 21. 支持用户管理，支持**多种用户登录注册方式**：
-    + 邮箱登录注册以及通过邮箱进行密码重置。
+    + 邮箱登录注册（支持注册邮箱白名单）以及通过邮箱进行密码重置。
     + [GitHub 开放授权](https://github.com/settings/applications/new)。
     + 微信公众号授权（需要额外部署 [WeChat Server](https://github.com/songquanpeng/wechat-server)）。
 

common/constants.go

@@ -42,6 +42,19 @@ var WeChatAuthEnabled = false
 var TurnstileCheckEnabled = false
 var RegisterEnabled = true
 
+var EmailDomainRestrictionEnabled = false
+var EmailDomainWhitelist = []string{
+	"gmail.com",
+	"163.com",
+	"126.com",
+	"qq.com",
+	"outlook.com",
+	"hotmail.com",
+	"icloud.com",
+	"yahoo.com",
+	"foxmail.com",
+}
+
 var LogConsumeEnabled = true
 
 var SMTPServer = ""

controller/misc.go

@@ -3,10 +3,12 @@ package controller
 import (
 	"encoding/json"
 	"fmt"
-	"github.com/gin-gonic/gin"
 	"net/http"
 	"one-api/common"
 	"one-api/model"
+	"strings"
+
+	"github.com/gin-gonic/gin"
 )
 
 func GetStatus(c *gin.Context) {
@@ -78,6 +80,22 @@ func SendEmailVerification(c *gin.Context) {
 		})
 		return
 	}
+	if common.EmailDomainRestrictionEnabled {
+		allowed := false
+		for _, domain := range common.EmailDomainWhitelist {
+			if strings.HasSuffix(email, "@"+domain) {
+				allowed = true
+				break
+			}
+		}
+		if !allowed {
+			c.JSON(http.StatusOK, gin.H{
+				"success": false,
+				"message": "管理员启用了邮箱域名白名单，您的邮箱地址的域名不在白名单中",
+			})
+			return
+		}
+	}
 	if model.IsEmailAlreadyTaken(email) {
 		c.JSON(http.StatusOK, gin.H{
 			"success": false,

controller/option.go

@@ -2,11 +2,12 @@ package controller
 
 import (
 	"encoding/json"
-	"github.com/gin-gonic/gin"
 	"net/http"
 	"one-api/common"
 	"one-api/model"
 	"strings"
+
+	"github.com/gin-gonic/gin"
 )
 
 func GetOptions(c *gin.Context) {
@@ -49,6 +50,14 @@ func UpdateOption(c *gin.Context) {
 			})
 			return
 		}
+	case "EmailDomainRestrictionEnabled":
+		if option.Value == "true" && len(common.EmailDomainWhitelist) == 0 {
+			c.JSON(http.StatusOK, gin.H{
+				"success": false,
+				"message": "无法启用邮箱域名限制，请先填入限制的邮箱域名！",
+			})
+			return
+		}
 	case "WeChatAuthEnabled":
 		if option.Value == "true" && common.WeChatServerAddress == "" {
 			c.JSON(http.StatusOK, gin.H{

model/option.go

@@ -39,6 +39,8 @@ func InitOptionMap() {
 	common.OptionMap["DisplayInCurrencyEnabled"] = strconv.FormatBool(common.DisplayInCurrencyEnabled)
 	common.OptionMap["DisplayTokenStatEnabled"] = strconv.FormatBool(common.DisplayTokenStatEnabled)
 	common.OptionMap["ChannelDisableThreshold"] = strconv.FormatFloat(common.ChannelDisableThreshold, 'f', -1, 64)
+	common.OptionMap["EmailDomainRestrictionEnabled"] = strconv.FormatBool(common.EmailDomainRestrictionEnabled)
+	common.OptionMap["EmailDomainWhitelist"] = strings.Join(common.EmailDomainWhitelist, ",")
 	common.OptionMap["SMTPServer"] = ""
 	common.OptionMap["SMTPFrom"] = ""
 	common.OptionMap["SMTPPort"] = strconv.Itoa(common.SMTPPort)
@@ -141,6 +143,8 @@ func updateOptionMap(key string, value string) (err error) {
 			common.TurnstileCheckEnabled = boolValue
 		case "RegisterEnabled":
 			common.RegisterEnabled = boolValue
+		case "EmailDomainRestrictionEnabled":
+			common.EmailDomainRestrictionEnabled = boolValue
 		case "AutomaticDisableChannelEnabled":
 			common.AutomaticDisableChannelEnabled = boolValue
 		case "ApproximateTokenEnabled":
@@ -154,6 +158,8 @@ func updateOptionMap(key string, value string) (err error) {
 		}
 	}
 	switch key {
+	case "EmailDomainWhitelist":
+		common.EmailDomainWhitelist = strings.Split(value, ",")
 	case "SMTPServer":
 		common.SMTPServer = value
 	case "SMTPPort":

web/src/components/SystemSetting.js

@@ -1,6 +1,6 @@
 import React, { useEffect, useState } from 'react';
-import { Divider, Form, Grid, Header, Message } from 'semantic-ui-react';
+import { Button, Divider, Form, Grid, Header, Input, Message } from 'semantic-ui-react';
-import { API, removeTrailingSlash, showError, verifyJSON } from '../helpers';
+import { API, removeTrailingSlash, showError } from '../helpers';
 
 const SystemSetting = () => {
   let [inputs, setInputs] = useState({
@@ -26,9 +26,13 @@ const SystemSetting = () => {
     TurnstileSiteKey: '',
     TurnstileSecretKey: '',
     RegisterEnabled: '',
+    EmailDomainRestrictionEnabled: '',
+    EmailDomainWhitelist: ''
   });
   const [originInputs, setOriginInputs] = useState({});
   let [loading, setLoading] = useState(false);
+  const [EmailDomainWhitelist, setEmailDomainWhitelist] = useState([]);
+  const [restrictedDomainInput, setRestrictedDomainInput] = useState('');
 
   const getOptions = async () => {
     const res = await API.get('/api/option/');
@@ -38,8 +42,15 @@ const SystemSetting = () => {
       data.forEach((item) => {
         newInputs[item.key] = item.value;
       });
-      setInputs(newInputs);
+      setInputs({
+        ...newInputs,
+        EmailDomainWhitelist: newInputs.EmailDomainWhitelist.split(',')
+      });
       setOriginInputs(newInputs);
+
+      setEmailDomainWhitelist(newInputs.EmailDomainWhitelist.split(',').map((item) => {
+        return { key: item, text: item, value: item };
+      }));
     } else {
       showError(message);
     }
@@ -58,6 +69,7 @@ const SystemSetting = () => {
       case 'GitHubOAuthEnabled':
       case 'WeChatAuthEnabled':
       case 'TurnstileCheckEnabled':
+      case 'EmailDomainRestrictionEnabled':
       case 'RegisterEnabled':
         value = inputs[key] === 'true' ? 'false' : 'true';
         break;
@@ -70,7 +82,12 @@ const SystemSetting = () => {
     });
     const { success, message } = res.data;
     if (success) {
-      setInputs((inputs) => ({ ...inputs, [key]: value }));
+      if (key === 'EmailDomainWhitelist') {
+        value = value.split(',');
+      }
+      setInputs((inputs) => ({
+        ...inputs, [key]: value
+      }));
     } else {
       showError(message);
     }
@@ -88,7 +105,8 @@ const SystemSetting = () => {
       name === 'WeChatServerToken' ||
       name === 'WeChatAccountQRCodeImageURL' ||
       name === 'TurnstileSiteKey' ||
-      name === 'TurnstileSecretKey'
+      name === 'TurnstileSecretKey' ||
+      name === 'EmailDomainWhitelist'
     ) {
       setInputs((inputs) => ({ ...inputs, [name]: value }));
     } else {
@@ -125,6 +143,16 @@ const SystemSetting = () => {
     }
   };
 
+
+  const submitEmailDomainWhitelist = async () => {
+    if (
+      originInputs['EmailDomainWhitelist'] !== inputs.EmailDomainWhitelist.join(',') &&
+      inputs.SMTPToken !== ''
+    ) {
+      await updateOption('EmailDomainWhitelist', inputs.EmailDomainWhitelist.join(','));
+    }
+  };
+
   const submitWeChat = async () => {
     if (originInputs['WeChatServerAddress'] !== inputs.WeChatServerAddress) {
       await updateOption(
@@ -173,6 +201,22 @@ const SystemSetting = () => {
     }
   };
 
+  const submitNewRestrictedDomain = () => {
+    const localDomainList = inputs.EmailDomainWhitelist;
+    if (restrictedDomainInput !== '' && !localDomainList.includes(restrictedDomainInput)) {
+      setRestrictedDomainInput('');
+      setInputs({
+        ...inputs,
+        EmailDomainWhitelist: [...localDomainList, restrictedDomainInput],
+      });
+      setEmailDomainWhitelist([...EmailDomainWhitelist, {
+        key: restrictedDomainInput,
+        text: restrictedDomainInput,
+        value: restrictedDomainInput,
+      }]);
+    }
+  }
+
   return (
     <Grid columns={1}>
       <Grid.Column>
@@ -239,6 +283,54 @@ const SystemSetting = () => {
             />
           </Form.Group>
           <Divider />
+          <Header as='h3'>
+            配置邮箱域名白名单
+            <Header.Subheader>用以防止恶意用户利用临时邮箱批量注册</Header.Subheader>
+          </Header>
+          <Form.Group widths={3}>
+            <Form.Checkbox
+              label='启用邮箱域名白名单'
+              name='EmailDomainRestrictionEnabled'
+              onChange={handleInputChange}
+              checked={inputs.EmailDomainRestrictionEnabled === 'true'}
+            />
+          </Form.Group>
+          <Form.Group widths={2}>
+            <Form.Dropdown
+              label='允许的邮箱域名'
+              placeholder='允许的邮箱域名'
+              name='EmailDomainWhitelist'
+              required
+              fluid
+              multiple
+              selection
+              onChange={handleInputChange}
+              value={inputs.EmailDomainWhitelist}
+              autoComplete='new-password'
+              options={EmailDomainWhitelist}
+            />
+            <Form.Input
+              label='添加新的允许的邮箱域名'
+              action={
+                <Button type='button' onClick={() => {
+                  submitNewRestrictedDomain();
+                }}>填入</Button>
+              }
+              onKeyDown={(e) => {
+                if (e.key === 'Enter') {
+                  submitNewRestrictedDomain();
+                }
+              }}
+              autoComplete='new-password'
+              placeholder='输入新的允许的邮箱域名'
+              value={restrictedDomainInput}
+              onChange={(e, { value }) => {
+                setRestrictedDomainInput(value);
+              }}
+            />
+          </Form.Group>
+          <Form.Button onClick={submitEmailDomainWhitelist}>保存邮箱域名白名单设置</Form.Button>
+          <Divider />
           <Header as='h3'>
             配置 SMTP
             <Header.Subheader>用以支持系统的邮件发送</Header.Subheader>
@@ -284,7 +376,7 @@ const SystemSetting = () => {
               onChange={handleInputChange}
               type='password'
               autoComplete='new-password'
-              value={inputs.SMTPToken}
+              checked={inputs.RegisterEnabled === 'true'}
               placeholder='敏感信息不会发送到前端显示'
             />
           </Form.Group>