feat: return user's quota with billing api (close #92)

* Make token calculation more accurate.

* fix: make the token number calculation more accurate

---------

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

README.md

@@ -38,33 +38,41 @@ _✨ All in one 的 OpenAI 接口，整合各种 API 访问方式，开箱即用
   <a href="https://github.com/songquanpeng/one-api#截图展示">截图展示</a>
   ·
   <a href="https://openai.justsong.cn/">在线演示</a>
+  ·
+  <a href="https://github.com/songquanpeng/one-api#常见问题">常见问题</a>
 </p>
 
+> **Warning**：从 `v0.2` 版本升级到 `v0.3` 版本需要手动迁移数据库，请手动执行[数据库迁移脚本](./bin/migration_v0.2-v0.3.sql)。
+
+
 ## 功能
 1. 支持多种 API 访问渠道，欢迎 PR 或提 issue 添加更多渠道：
    + [x] OpenAI 官方通道
    + [x] **Azure OpenAI API**
    + [x] [API2D](https://api2d.com/r/197971)
-   + [x] [CloseAI](https://console.openai-asia.com)
-   + [x] [OpenAI-SB](https://openai-sb.com)
+   + [x] [OhMyGPT](https://aigptx.top?aff=uFpUl2Kf)
+   + [x] [AI Proxy](https://aiproxy.io/?i=OneAPI) （邀请码：`OneAPI`）
+   + [x] [AI.LS](https://ai.ls)
    + [x] [OpenAI Max](https://openaimax.com)
-   + [x] [OhMyGPT](https://www.ohmygpt.com)
+   + [x] [OpenAI-SB](https://openai-sb.com)
+   + [x] [CloseAI](https://console.openai-asia.com/r/2412)
    + [x] 自定义渠道：例如使用自行搭建的 OpenAI 代理
 2. 支持通过**负载均衡**的方式访问多个渠道。
 3. 支持 **stream 模式**，可以通过流式传输实现打字机效果。
-4. 支持**令牌管理**，设置令牌的过期时间和使用次数。
-5. 支持**兑换码管理**，支持批量生成和导出兑换码，可使用兑换码为令牌进行充值。
-6. 支持**通道管理**，批量创建通道。
-7. 支持发布公告，设置充值链接，设置新用户初始额度。
-8. 支持丰富的**自定义**设置，
+4. 支持**多机部署**，[详见此处](#多机部署)。
+5. 支持**令牌管理**，设置令牌的过期时间和使用次数。
+6. 支持**兑换码管理**，支持批量生成和导出兑换码，可使用兑换码为账户进行充值。
+7. 支持**通道管理**，批量创建通道。
+8. 支持发布公告，设置充值链接，设置新用户初始额度。
+9. 支持丰富的**自定义**设置，
    1. 支持自定义系统名称，logo 以及页脚。
    2. 支持自定义首页和关于页面，可以选择使用 HTML & Markdown 代码进行自定义，或者使用一个单独的网页通过 iframe 嵌入。
-9. 支持通过系统访问令牌访问管理 API。
-10. 支持用户管理，支持**多种用户登录注册方式**：
+10. 支持通过系统访问令牌访问管理 API。
+11. 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。
     + [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)）。
-11. 未来其他大模型开放 API 后，将第一时间支持，并将其封装成同样的 API 访问方式。
+12. 未来其他大模型开放 API 后，将第一时间支持，并将其封装成同样的 API 访问方式。
 
 ## 部署
 ### 基于 Docker 进行部署
@@ -87,13 +95,10 @@ server{
           proxy_set_header X-Forwarded-For $remote_addr;
           proxy_cache_bypass $http_upgrade;
           proxy_set_header Accept-Encoding gzip;
-          proxy_buffering off;  # 重要：关闭代理缓冲
    }
 }
 ```
 
-注意，为了 SSE 正常工作，需要关闭 Nginx 的代理缓冲。
-
 之后使用 Let's Encrypt 的 certbot 配置 HTTPS：
 ```bash
 # Ubuntu 安装 certbot：
@@ -130,6 +135,14 @@ sudo service nginx restart
 
 更加详细的部署教程[参见此处](https://iamazing.cn/page/how-to-deploy-a-website)。
 
+### 多机部署
+1. 所有服务器 `SESSION_SECRET` 设置一样的值。
+2. 必须设置 `SQL_DSN`，使用 MySQL 数据库而非 SQLite，请自行配置主备数据库同步。
+3. 所有从服务器必须设置 `SYNC_FREQUENCY`，以定期从数据库同步配置。
+4. 从服务器可以选择设置 `FRONTEND_BASE_URL`，以重定向页面请求到主服务器。
+
+环境变量的具体使用方法详见[此处](#环境变量)。
+
 ## 配置
 系统本身开箱即用。
 
@@ -154,6 +167,10 @@ sudo service nginx restart
    + 例子：`SESSION_SECRET=random_string`
 3. `SQL_DSN`：设置之后将使用指定数据库而非 SQLite。
    + 例子：`SQL_DSN=root:123456@tcp(localhost:3306)/one-api`
+4. `FRONTEND_BASE_URL`：设置之后将使用指定的前端地址，而非后端地址。
+   + 例子：`FRONTEND_BASE_URL=https://openai.justsong.cn`
+5. `SYNC_FREQUENCY`：设置之后将定期与数据库同步配置，单位为秒，未设置则不进行同步。
+   + 例子：`SYNC_FREQUENCY=60`
 
 ### 命令行参数
 1. `--port <port_number>`: 指定服务器监听的端口号，默认为 `3000`。
@@ -171,3 +188,10 @@ https://openai.justsong.cn
 ### 截图展示
 ![channel](https://user-images.githubusercontent.com/39998050/233837954-ae6683aa-5c4f-429f-a949-6645a83c9490.png)
 ![token](https://user-images.githubusercontent.com/39998050/233837971-dab488b7-6d96-43af-b640-a168e8d1c9bf.png)
+
+## 常见问题
+1. 账户额度足够为什么提示额度不足？
+   + 请检查你的令牌额度是否足够，这个和账户额度是分开的。
+   + 令牌额度仅供用户设置最大使用量，用户可自由设置。
+2. 宝塔部署后访问出现空白页面？
+   + 自动配置的问题，详见[#97](https://github.com/songquanpeng/one-api/issues/97)。

bin/migration_v0.2-v0.3.sql

@@ -0,0 +1,6 @@
+UPDATE users
+SET quota = quota + (
+    SELECT SUM(remain_quota)
+    FROM tokens
+    WHERE tokens.user_id = users.id
+)

common/constants.go

@@ -54,6 +54,7 @@ var QuotaForNewUser = 0
 var ChannelDisableThreshold = 5.0
 var AutomaticDisableChannelEnabled = false
 var QuotaRemindThreshold = 1000
+var PreConsumedQuota = 500
 
 var RootUserEmail = ""
 
@@ -126,16 +127,22 @@ const (
 	ChannelTypeOpenAIMax = 6
 	ChannelTypeOhMyGPT   = 7
 	ChannelTypeCustom    = 8
+	ChannelTypeAILS      = 9
+	ChannelTypeAIProxy   = 10
+	ChannelTypePaLM      = 11
 )
 
 var ChannelBaseURLs = []string{
 	"",                            // 0
 	"https://api.openai.com",      // 1
-	"https://openai.api2d.net",    // 2
+	"https://oa.api2d.net",        // 2
 	"",                            // 3
 	"https://api.openai-asia.com", // 4
 	"https://api.openai-sb.com",   // 5
 	"https://api.openaimax.com",   // 6
 	"https://api.ohmygpt.com",     // 7
 	"",                            // 8
+	"https://api.caipacity.com",   // 9
+	"https://api.aiproxy.io",      // 10
+	"",                            // 11
 }

controller/billing.go

@@ -0,0 +1,41 @@
+package controller
+
+import (
+	"github.com/gin-gonic/gin"
+	"one-api/model"
+)
+
+func GetSubscription(c *gin.Context) {
+	userId := c.GetInt("id")
+	quota, err := model.GetUserQuota(userId)
+	if err != nil {
+		openAIError := OpenAIError{
+			Message: err.Error(),
+			Type:    "one_api_error",
+		}
+		c.JSON(200, gin.H{
+			"error": openAIError,
+		})
+		return
+	}
+	subscription := OpenAISubscriptionResponse{
+		Object:             "billing_subscription",
+		HasPaymentMethod:   true,
+		SoftLimitUSD:       float64(quota),
+		HardLimitUSD:       float64(quota),
+		SystemHardLimitUSD: float64(quota),
+	}
+	c.JSON(200, subscription)
+	return
+}
+
+func GetUsage(c *gin.Context) {
+	//userId := c.GetInt("id")
+	// TODO: get usage from database
+	usage := OpenAIUsageResponse{
+		Object:     "list",
+		TotalUsage: 0,
+	}
+	c.JSON(200, usage)
+	return
+}

controller/channel-billing.go

@@ -0,0 +1,175 @@
+package controller
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"github.com/gin-gonic/gin"
+	"io"
+	"net/http"
+	"one-api/common"
+	"one-api/model"
+	"strconv"
+	"time"
+)
+
+// https://github.com/songquanpeng/one-api/issues/79
+
+type OpenAISubscriptionResponse struct {
+	Object             string  `json:"object"`
+	HasPaymentMethod   bool    `json:"has_payment_method"`
+	SoftLimitUSD       float64 `json:"soft_limit_usd"`
+	HardLimitUSD       float64 `json:"hard_limit_usd"`
+	SystemHardLimitUSD float64 `json:"system_hard_limit_usd"`
+}
+
+type OpenAIUsageDailyCost struct {
+	Timestamp float64 `json:"timestamp"`
+	LineItems []struct {
+		Name string  `json:"name"`
+		Cost float64 `json:"cost"`
+	}
+}
+
+type OpenAIUsageResponse struct {
+	Object string `json:"object"`
+	//DailyCosts []OpenAIUsageDailyCost `json:"daily_costs"`
+	TotalUsage float64 `json:"total_usage"` // unit: 0.01 dollar
+}
+
+func updateChannelBalance(channel *model.Channel) (float64, error) {
+	baseURL := common.ChannelBaseURLs[channel.Type]
+	switch channel.Type {
+	case common.ChannelTypeAzure:
+		return 0, errors.New("尚未实现")
+	case common.ChannelTypeCustom:
+		baseURL = channel.BaseURL
+	}
+	url := fmt.Sprintf("%s/v1/dashboard/billing/subscription", baseURL)
+
+	client := &http.Client{}
+	req, err := http.NewRequest("GET", url, nil)
+	if err != nil {
+		return 0, err
+	}
+	auth := fmt.Sprintf("Bearer %s", channel.Key)
+	req.Header.Add("Authorization", auth)
+	res, err := client.Do(req)
+	if err != nil {
+		return 0, err
+	}
+	body, err := io.ReadAll(res.Body)
+	if err != nil {
+		return 0, err
+	}
+	err = res.Body.Close()
+	if err != nil {
+		return 0, err
+	}
+	subscription := OpenAISubscriptionResponse{}
+	err = json.Unmarshal(body, &subscription)
+	if err != nil {
+		return 0, err
+	}
+	now := time.Now()
+	startDate := fmt.Sprintf("%s-01", now.Format("2006-01"))
+	//endDate := now.Format("2006-01-02")
+	url = fmt.Sprintf("%s/v1/dashboard/billing/usage?start_date=%s&end_date=%s", baseURL, startDate, "2023-06-01")
+	req, err = http.NewRequest("GET", url, nil)
+	if err != nil {
+		return 0, err
+	}
+	req.Header.Add("Authorization", auth)
+	res, err = client.Do(req)
+	if err != nil {
+		return 0, err
+	}
+	body, err = io.ReadAll(res.Body)
+	if err != nil {
+		return 0, err
+	}
+	err = res.Body.Close()
+	if err != nil {
+		return 0, err
+	}
+	usage := OpenAIUsageResponse{}
+	err = json.Unmarshal(body, &usage)
+	if err != nil {
+		return 0, err
+	}
+	balance := subscription.HardLimitUSD - usage.TotalUsage/100
+	channel.UpdateBalance(balance)
+	return balance, nil
+}
+
+func UpdateChannelBalance(c *gin.Context) {
+	id, err := strconv.Atoi(c.Param("id"))
+	if err != nil {
+		c.JSON(http.StatusOK, gin.H{
+			"success": false,
+			"message": err.Error(),
+		})
+		return
+	}
+	channel, err := model.GetChannelById(id, true)
+	if err != nil {
+		c.JSON(http.StatusOK, gin.H{
+			"success": false,
+			"message": err.Error(),
+		})
+		return
+	}
+	balance, err := updateChannelBalance(channel)
+	if err != nil {
+		c.JSON(http.StatusOK, gin.H{
+			"success": false,
+			"message": err.Error(),
+		})
+		return
+	}
+	c.JSON(http.StatusOK, gin.H{
+		"success": true,
+		"message": "",
+		"balance": balance,
+	})
+	return
+}
+
+func updateAllChannelsBalance() error {
+	channels, err := model.GetAllChannels(0, 0, true)
+	if err != nil {
+		return err
+	}
+	for _, channel := range channels {
+		if channel.Status != common.ChannelStatusEnabled {
+			continue
+		}
+		balance, err := updateChannelBalance(channel)
+		if err != nil {
+			continue
+		} else {
+			// err is nil & balance <= 0 means quota is used up
+			if balance <= 0 {
+				disableChannel(channel.Id, channel.Name, "余额不足")
+			}
+		}
+	}
+	return nil
+}
+
+func UpdateAllChannelsBalance(c *gin.Context) {
+	// TODO: make it async
+	err := updateAllChannelsBalance()
+	if err != nil {
+		c.JSON(http.StatusOK, gin.H{
+			"success": false,
+			"message": err.Error(),
+		})
+		return
+	}
+	c.JSON(http.StatusOK, gin.H{
+		"success": true,
+		"message": "",
+	})
+	return
+}

controller/channel.go

@@ -201,7 +201,7 @@ func testChannel(channel *model.Channel, request *ChatRequest) error {
 	if err != nil {
 		return err
 	}
-	if response.Error.Type != "" {
+	if response.Error.Message != "" || response.Error.Code != "" {
 		return errors.New(fmt.Sprintf("type %s, code %s, message %s", response.Error.Type, response.Error.Code, response.Error.Message))
 	}
 	return nil
@@ -210,11 +210,12 @@ func testChannel(channel *model.Channel, request *ChatRequest) error {
 func buildTestRequest(c *gin.Context) *ChatRequest {
 	model_ := c.Query("model")
 	testRequest := &ChatRequest{
-		Model: model_,
+		Model:     model_,
+		MaxTokens: 1,
 	}
 	testMessage := Message{
 		Role:    "user",
-		Content: "echo hi",
+		Content: "hi",
 	}
 	testRequest.Messages = append(testRequest.Messages, testMessage)
 	return testRequest
@@ -264,14 +265,14 @@ var testAllChannelsLock sync.Mutex
 var testAllChannelsRunning bool = false
 
 // disable & notify
-func disableChannel(channelId int, channelName string, err error) {
+func disableChannel(channelId int, channelName string, reason string) {
 	if common.RootUserEmail == "" {
 		common.RootUserEmail = model.GetRootUserEmail()
 	}
 	model.UpdateChannelStatusById(channelId, common.ChannelStatusDisabled)
 	subject := fmt.Sprintf("通道「%s」（#%d）已被禁用", channelName, channelId)
-	content := fmt.Sprintf("通道「%s」（#%d）已被禁用，原因：%s", channelName, channelId, err.Error())
-	err = common.SendEmail(subject, common.RootUserEmail, content)
+	content := fmt.Sprintf("通道「%s」（#%d）已被禁用，原因：%s", channelName, channelId, reason)
+	err := common.SendEmail(subject, common.RootUserEmail, content)
 	if err != nil {
 		common.SysError(fmt.Sprintf("发送邮件失败：%s", err.Error()))
 	}
@@ -311,7 +312,7 @@ func testAllChannels(c *gin.Context) error {
 				if milliseconds > disableThreshold {
 					err = errors.New(fmt.Sprintf("响应时间 %.2fs 超过阈值 %.2fs", float64(milliseconds)/1000.0, float64(disableThreshold)/1000.0))
 				}
-				disableChannel(channel.Id, channel.Name, err)
+				disableChannel(channel.Id, channel.Name, err.Error())
 			}
 			channel.UpdateResponseTime(milliseconds)
 		}

controller/model.go

@@ -0,0 +1,153 @@
+package controller
+
+import (
+	"fmt"
+	"github.com/gin-gonic/gin"
+)
+
+// https://platform.openai.com/docs/api-reference/models/list
+
+type OpenAIModelPermission struct {
+	Id                 string  `json:"id"`
+	Object             string  `json:"object"`
+	Created            int     `json:"created"`
+	AllowCreateEngine  bool    `json:"allow_create_engine"`
+	AllowSampling      bool    `json:"allow_sampling"`
+	AllowLogprobs      bool    `json:"allow_logprobs"`
+	AllowSearchIndices bool    `json:"allow_search_indices"`
+	AllowView          bool    `json:"allow_view"`
+	AllowFineTuning    bool    `json:"allow_fine_tuning"`
+	Organization       string  `json:"organization"`
+	Group              *string `json:"group"`
+	IsBlocking         bool    `json:"is_blocking"`
+}
+
+type OpenAIModels struct {
+	Id         string                `json:"id"`
+	Object     string                `json:"object"`
+	Created    int                   `json:"created"`
+	OwnedBy    string                `json:"owned_by"`
+	Permission OpenAIModelPermission `json:"permission"`
+	Root       string                `json:"root"`
+	Parent     *string               `json:"parent"`
+}
+
+var openAIModels []OpenAIModels
+var openAIModelsMap map[string]OpenAIModels
+
+func init() {
+	permission := OpenAIModelPermission{
+		Id:                 "modelperm-LwHkVFn8AcMItP432fKKDIKJ",
+		Object:             "model_permission",
+		Created:            1626777600,
+		AllowCreateEngine:  true,
+		AllowSampling:      true,
+		AllowLogprobs:      true,
+		AllowSearchIndices: false,
+		AllowView:          true,
+		AllowFineTuning:    false,
+		Organization:       "*",
+		Group:              nil,
+		IsBlocking:         false,
+	}
+	// https://platform.openai.com/docs/models/model-endpoint-compatibility
+	openAIModels = []OpenAIModels{
+		{
+			Id:         "gpt-3.5-turbo",
+			Object:     "model",
+			Created:    1677649963,
+			OwnedBy:    "openai",
+			Permission: permission,
+			Root:       "gpt-3.5-turbo",
+			Parent:     nil,
+		},
+		{
+			Id:         "gpt-3.5-turbo-0301",
+			Object:     "model",
+			Created:    1677649963,
+			OwnedBy:    "openai",
+			Permission: permission,
+			Root:       "gpt-3.5-turbo-0301",
+			Parent:     nil,
+		},
+		{
+			Id:         "gpt-4",
+			Object:     "model",
+			Created:    1677649963,
+			OwnedBy:    "openai",
+			Permission: permission,
+			Root:       "gpt-4",
+			Parent:     nil,
+		},
+		{
+			Id:         "gpt-4-0314",
+			Object:     "model",
+			Created:    1677649963,
+			OwnedBy:    "openai",
+			Permission: permission,
+			Root:       "gpt-4-0314",
+			Parent:     nil,
+		},
+		{
+			Id:         "gpt-4-32k",
+			Object:     "model",
+			Created:    1677649963,
+			OwnedBy:    "openai",
+			Permission: permission,
+			Root:       "gpt-4-32k",
+			Parent:     nil,
+		},
+		{
+			Id:         "gpt-4-32k-0314",
+			Object:     "model",
+			Created:    1677649963,
+			OwnedBy:    "openai",
+			Permission: permission,
+			Root:       "gpt-4-32k-0314",
+			Parent:     nil,
+		},
+		{
+			Id:         "gpt-3.5-turbo",
+			Object:     "model",
+			Created:    1677649963,
+			OwnedBy:    "openai",
+			Permission: permission,
+			Root:       "gpt-3.5-turbo",
+			Parent:     nil,
+		},
+		{
+			Id:         "text-embedding-ada-002",
+			Object:     "model",
+			Created:    1677649963,
+			OwnedBy:    "openai",
+			Permission: permission,
+			Root:       "text-embedding-ada-002",
+			Parent:     nil,
+		},
+	}
+	openAIModelsMap = make(map[string]OpenAIModels)
+	for _, model := range openAIModels {
+		openAIModelsMap[model.Id] = model
+	}
+}
+
+func ListModels(c *gin.Context) {
+	c.JSON(200, openAIModels)
+}
+
+func RetrieveModel(c *gin.Context) {
+	modelId := c.Param("model")
+	if model, ok := openAIModelsMap[modelId]; ok {
+		c.JSON(200, model)
+	} else {
+		openAIError := OpenAIError{
+			Message: fmt.Sprintf("The model '%s' does not exist", modelId),
+			Type:    "invalid_request_error",
+			Param:   "model",
+			Code:    "model_not_found",
+		}
+		c.JSON(200, gin.H{
+			"error": openAIError,
+		})
+	}
+}

controller/relay-palm.go

@@ -0,0 +1,59 @@
+package controller
+
+import (
+	"fmt"
+	"github.com/gin-gonic/gin"
+)
+
+type PaLMChatMessage struct {
+	Author  string `json:"author"`
+	Content string `json:"content"`
+}
+
+type PaLMFilter struct {
+	Reason  string `json:"reason"`
+	Message string `json:"message"`
+}
+
+// https://developers.generativeai.google/api/rest/generativelanguage/models/generateMessage#request-body
+type PaLMChatRequest struct {
+	Prompt         []Message `json:"prompt"`
+	Temperature    float64   `json:"temperature"`
+	CandidateCount int       `json:"candidateCount"`
+	TopP           float64   `json:"topP"`
+	TopK           int       `json:"topK"`
+}
+
+// https://developers.generativeai.google/api/rest/generativelanguage/models/generateMessage#response-body
+type PaLMChatResponse struct {
+	Candidates []Message    `json:"candidates"`
+	Messages   []Message    `json:"messages"`
+	Filters    []PaLMFilter `json:"filters"`
+}
+
+func relayPaLM(openAIRequest GeneralOpenAIRequest, c *gin.Context) *OpenAIErrorWithStatusCode {
+	// https://developers.generativeai.google/api/rest/generativelanguage/models/generateMessage
+	messages := make([]PaLMChatMessage, 0, len(openAIRequest.Messages))
+	for _, message := range openAIRequest.Messages {
+		var author string
+		if message.Role == "user" {
+			author = "0"
+		} else {
+			author = "1"
+		}
+		messages = append(messages, PaLMChatMessage{
+			Author:  author,
+			Content: message.Content,
+		})
+	}
+	request := PaLMChatRequest{
+		Prompt:         nil,
+		Temperature:    openAIRequest.Temperature,
+		CandidateCount: openAIRequest.N,
+		TopP:           openAIRequest.TopP,
+		TopK:           openAIRequest.MaxTokens,
+	}
+	// TODO: forward request to PaLM & convert response
+	fmt.Print(request)
+	return nil
+}

controller/relay-utils.go

@@ -0,0 +1,65 @@
+package controller
+
+import (
+	"fmt"
+	"github.com/pkoukk/tiktoken-go"
+	"one-api/common"
+	"strings"
+)
+
+var tokenEncoderMap = map[string]*tiktoken.Tiktoken{}
+
+func getTokenEncoder(model string) *tiktoken.Tiktoken {
+	if tokenEncoder, ok := tokenEncoderMap[model]; ok {
+		return tokenEncoder
+	}
+	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, err = tiktoken.EncodingForModel("gpt-3.5-turbo")
+		if err != nil {
+			common.FatalLog(fmt.Sprintf("failed to get token encoder for model gpt-3.5-turbo: %s", err.Error()))
+		}
+	}
+	tokenEncoderMap[model] = tokenEncoder
+	return tokenEncoder
+}
+
+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 strings.HasPrefix(model, "gpt-3.5") {
+		tokensPerMessage = 4
+		tokensPerName = -1 // If there's a name, the role is omitted
+	} else if strings.HasPrefix(model, "gpt-4") {
+		tokensPerMessage = 3
+		tokensPerName = 1
+	} else {
+		tokensPerMessage = 3
+		tokensPerName = 1
+	}
+	tokenNum := 0
+	for _, message := range messages {
+		tokenNum += tokensPerMessage
+		tokenNum += len(tokenEncoder.Encode(message.Content, nil, nil))
+		tokenNum += len(tokenEncoder.Encode(message.Role, nil, nil))
+		if message.Name != nil {
+			tokenNum += tokensPerName
+			tokenNum += len(tokenEncoder.Encode(*message.Name, nil, nil))
+		}
+	}
+	tokenNum += 3 // Every reply is primed with <|start|>assistant<|message|>
+	return tokenNum
+}
+
+func countTokenText(text string, model string) int {
+	tokenEncoder := getTokenEncoder(model)
+	token := tokenEncoder.Encode(text, nil, nil)
+	return len(token)
+}

controller/relay.go

@@ -4,10 +4,8 @@ import (
 	"bufio"
 	"bytes"
 	"encoding/json"
-	"errors"
 	"fmt"
 	"github.com/gin-gonic/gin"
-	"github.com/pkoukk/tiktoken-go"
 	"io"
 	"net/http"
 	"one-api/common"
@@ -16,19 +14,35 @@ import (
 )
 
 type Message struct {
-	Role    string `json:"role"`
-	Content string `json:"content"`
+	Role    string  `json:"role"`
+	Content string  `json:"content"`
+	Name    *string `json:"name,omitempty"`
+}
+
+// https://platform.openai.com/docs/api-reference/chat
+
+type GeneralOpenAIRequest struct {
+	Model       string    `json:"model"`
+	Messages    []Message `json:"messages"`
+	Prompt      string    `json:"prompt"`
+	Stream      bool      `json:"stream"`
+	MaxTokens   int       `json:"max_tokens"`
+	Temperature float64   `json:"temperature"`
+	TopP        float64   `json:"top_p"`
+	N           int       `json:"n"`
 }
 
 type ChatRequest struct {
-	Model    string    `json:"model"`
-	Messages []Message `json:"messages"`
+	Model     string    `json:"model"`
+	Messages  []Message `json:"messages"`
+	MaxTokens int       `json:"max_tokens"`
 }
 
 type TextRequest struct {
-	Model    string    `json:"model"`
-	Messages []Message `json:"messages"`
-	Prompt   string    `json:"prompt"`
+	Model     string    `json:"model"`
+	Messages  []Message `json:"messages"`
+	Prompt    string    `json:"prompt"`
+	MaxTokens int       `json:"max_tokens"`
 	//Stream   bool      `json:"stream"`
 }
 
@@ -45,6 +59,11 @@ type OpenAIError struct {
 	Code    string `json:"code"`
 }
 
+type OpenAIErrorWithStatusCode struct {
+	OpenAIError
+	StatusCode int `json:"status_code"`
+}
+
 type TextResponse struct {
 	Usage `json:"usage"`
 	Error OpenAIError `json:"error"`
@@ -59,47 +78,55 @@ type StreamResponse struct {
 	} `json:"choices"`
 }
 
-var tokenEncoder, _ = tiktoken.GetEncoding("cl100k_base")
-
-func countToken(text string) int {
-	token := tokenEncoder.Encode(text, nil, nil)
-	return len(token)
-}
-
 func Relay(c *gin.Context) {
 	err := relayHelper(c)
 	if err != nil {
-		c.JSON(http.StatusOK, gin.H{
-			"error": gin.H{
-				"message": err.Error(),
-				"type":    "one_api_error",
-			},
+		if err.StatusCode == http.StatusTooManyRequests {
+			err.OpenAIError.Message = "负载已满，请稍后再试，或升级账户以提升服务质量。"
+		}
+		c.JSON(err.StatusCode, gin.H{
+			"error": err.OpenAIError,
 		})
-		if common.AutomaticDisableChannelEnabled {
+		channelId := c.GetInt("channel_id")
+		common.SysError(fmt.Sprintf("Relay error (channel #%d): %s", channelId, err.Message))
+		// https://platform.openai.com/docs/guides/error-codes/api-errors
+		if common.AutomaticDisableChannelEnabled && (err.Type == "insufficient_quota" || err.Code == "invalid_api_key") {
 			channelId := c.GetInt("channel_id")
 			channelName := c.GetString("channel_name")
-			disableChannel(channelId, channelName, err)
+			disableChannel(channelId, channelName, err.Message)
 		}
 	}
 }
 
-func relayHelper(c *gin.Context) error {
+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 relayHelper(c *gin.Context) *OpenAIErrorWithStatusCode {
 	channelType := c.GetInt("channel")
 	tokenId := c.GetInt("token_id")
 	consumeQuota := c.GetBool("consume_quota")
-	var textRequest TextRequest
-	if consumeQuota || channelType == common.ChannelTypeAzure {
+	var textRequest GeneralOpenAIRequest
+	if consumeQuota || channelType == common.ChannelTypeAzure || channelType == common.ChannelTypePaLM {
 		requestBody, err := io.ReadAll(c.Request.Body)
 		if err != nil {
-			return err
+			return errorWrapper(err, "read_request_body_failed", http.StatusBadRequest)
 		}
 		err = c.Request.Body.Close()
 		if err != nil {
-			return err
+			return errorWrapper(err, "close_request_body_failed", http.StatusBadRequest)
 		}
 		err = json.Unmarshal(requestBody, &textRequest)
 		if err != nil {
-			return err
+			return errorWrapper(err, "unmarshal_request_body_failed", http.StatusBadRequest)
 		}
 		// Reset request body
 		c.Request.Body = io.NopCloser(bytes.NewBuffer(requestBody))
@@ -127,10 +154,27 @@ func relayHelper(c *gin.Context) error {
 		model_ = strings.TrimSuffix(model_, "-0301")
 		model_ = strings.TrimSuffix(model_, "-0314")
 		fullRequestURL = fmt.Sprintf("%s/openai/deployments/%s/%s", baseURL, model_, task)
+	} else if channelType == common.ChannelTypePaLM {
+		err := relayPaLM(textRequest, c)
+		return err
+	}
+
+	promptTokens := countTokenMessages(textRequest.Messages, textRequest.Model)
+	preConsumedTokens := common.PreConsumedQuota
+	if textRequest.MaxTokens != 0 {
+		preConsumedTokens = promptTokens + textRequest.MaxTokens
+	}
+	ratio := common.GetModelRatio(textRequest.Model)
+	preConsumedQuota := int(float64(preConsumedTokens) * ratio)
+	if consumeQuota {
+		err := model.PreConsumeTokenQuota(tokenId, preConsumedQuota)
+		if err != nil {
+			return errorWrapper(err, "pre_consume_token_quota_failed", http.StatusOK)
+		}
 	}
 	req, err := http.NewRequest(c.Request.Method, fullRequestURL, c.Request.Body)
 	if err != nil {
-		return err
+		return errorWrapper(err, "new_request_failed", http.StatusOK)
 	}
 	if channelType == common.ChannelTypeAzure {
 		key := c.Request.Header.Get("Authorization")
@@ -145,18 +189,18 @@ func relayHelper(c *gin.Context) error {
 	client := &http.Client{}
 	resp, err := client.Do(req)
 	if err != nil {
-		return err
+		return errorWrapper(err, "do_request_failed", http.StatusOK)
 	}
 	err = req.Body.Close()
 	if err != nil {
-		return err
+		return errorWrapper(err, "close_request_body_failed", http.StatusOK)
 	}
 	err = c.Request.Body.Close()
 	if err != nil {
-		return err
+		return errorWrapper(err, "close_request_body_failed", http.StatusOK)
 	}
 	var textResponse TextResponse
-	isStream := resp.Header.Get("Content-Type") == "text/event-stream"
+	isStream := strings.HasPrefix(resp.Header.Get("Content-Type"), "text/event-stream")
 	var streamResponseText string
 
 	defer func() {
@@ -168,18 +212,14 @@ func relayHelper(c *gin.Context) error {
 				completionRatio = 2
 			}
 			if isStream {
-				var promptText string
-				for _, message := range textRequest.Messages {
-					promptText += fmt.Sprintf("%s: %s\n", message.Role, message.Content)
-				}
-				completionText := fmt.Sprintf("%s: %s\n", "assistant", streamResponseText)
-				quota = countToken(promptText) + countToken(completionText)*completionRatio + 3
+				responseTokens := countTokenText(streamResponseText, textRequest.Model)
+				quota = promptTokens + responseTokens*completionRatio
 			} else {
 				quota = textResponse.Usage.PromptTokens + textResponse.Usage.CompletionTokens*completionRatio
 			}
-			ratio := common.GetModelRatio(textRequest.Model)
 			quota = int(float64(quota) * ratio)
-			err := model.DecreaseTokenQuota(tokenId, quota)
+			quotaDelta := quota - preConsumedQuota
+			err := model.PostConsumeTokenQuota(tokenId, quotaDelta)
 			if err != nil {
 				common.SysError("Error consuming token remain quota: " + err.Error())
 			}
@@ -208,6 +248,10 @@ func relayHelper(c *gin.Context) error {
 		go func() {
 			for scanner.Scan() {
 				data := scanner.Text()
+				if len(data) < 6 { // must be something wrong!
+					common.SysError("Invalid stream response: " + data)
+					continue
+				}
 				dataChan <- data
 				data = data[6:]
 				if !strings.HasPrefix(data, "[DONE]") {
@@ -228,6 +272,7 @@ func relayHelper(c *gin.Context) error {
 		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")
 		c.Stream(func(w io.Writer) bool {
 			select {
 			case data := <-dataChan:
@@ -242,50 +287,60 @@ func relayHelper(c *gin.Context) error {
 		})
 		err = resp.Body.Close()
 		if err != nil {
-			return err
+			return errorWrapper(err, "close_response_body_failed", http.StatusOK)
 		}
 		return nil
 	} else {
-		for k, v := range resp.Header {
-			c.Writer.Header().Set(k, v[0])
-		}
 		if consumeQuota {
 			responseBody, err := io.ReadAll(resp.Body)
 			if err != nil {
-				return err
+				return errorWrapper(err, "read_response_body_failed", http.StatusOK)
 			}
 			err = resp.Body.Close()
 			if err != nil {
-				return err
+				return errorWrapper(err, "close_response_body_failed", http.StatusOK)
 			}
 			err = json.Unmarshal(responseBody, &textResponse)
 			if err != nil {
-				return err
+				return errorWrapper(err, "unmarshal_response_body_failed", http.StatusOK)
 			}
 			if textResponse.Error.Type != "" {
-				return errors.New(fmt.Sprintf("type %s, code %s, message %s",
-					textResponse.Error.Type, textResponse.Error.Code, textResponse.Error.Message))
+				return &OpenAIErrorWithStatusCode{
+					OpenAIError: textResponse.Error,
+					StatusCode:  resp.StatusCode,
+				}
 			}
 			// 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 client 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 err
+			return errorWrapper(err, "copy_response_body_failed", http.StatusOK)
 		}
 		err = resp.Body.Close()
 		if err != nil {
-			return err
+			return errorWrapper(err, "close_response_body_failed", http.StatusOK)
 		}
 		return nil
 	}
 }
 
 func RelayNotImplemented(c *gin.Context) {
+	err := OpenAIError{
+		Message: "API not implemented",
+		Type:    "one_api_error",
+		Param:   "",
+		Code:    "api_not_implemented",
+	}
 	c.JSON(http.StatusOK, gin.H{
-		"error": gin.H{
-			"message": "Not Implemented",
-			"type":    "one_api_error",
-		},
+		"error": err,
 	})
 }

controller/token.go

@@ -160,7 +160,6 @@ func DeleteToken(c *gin.Context) {
 }
 
 func UpdateToken(c *gin.Context) {
-	isAdmin := c.GetInt("role") >= common.RoleAdminUser
 	userId := c.GetInt("id")
 	statusOnly := c.Query("status_only")
 	token := model.Token{}
@@ -191,7 +190,7 @@ func UpdateToken(c *gin.Context) {
 		if cleanToken.Status == common.TokenStatusExhausted && cleanToken.RemainQuota <= 0 && !cleanToken.UnlimitedQuota {
 			c.JSON(http.StatusOK, gin.H{
 				"success": false,
-				"message": "令牌可用次数已用尽，无法启用，请先修改令牌剩余次数，或者设置为无限次数",
+				"message": "令牌可用额度已用尽，无法启用，请先修改令牌剩余额度，或者设置为无限额度",
 			})
 			return
 		}
@@ -202,10 +201,8 @@ func UpdateToken(c *gin.Context) {
 		// If you add more fields, please also update token.Update()
 		cleanToken.Name = token.Name
 		cleanToken.ExpiredTime = token.ExpiredTime
-		if isAdmin {
-			cleanToken.RemainQuota = token.RemainQuota
-			cleanToken.UnlimitedQuota = token.UnlimitedQuota
-		}
+		cleanToken.RemainQuota = token.RemainQuota
+		cleanToken.UnlimitedQuota = token.UnlimitedQuota
 	}
 	err = cleanToken.Update()
 	if err != nil {

controller/user.go

@@ -467,6 +467,13 @@ func CreateUser(c *gin.Context) {
 		})
 		return
 	}
+	if err := common.Validate.Struct(&user); err != nil {
+		c.JSON(http.StatusOK, gin.H{
+			"success": false,
+			"message": "输入不合法 " + err.Error(),
+		})
+		return
+	}
 	if user.DisplayName == "" {
 		user.DisplayName = user.Username
 	}

main.go

@@ -47,6 +47,13 @@ func main() {
 
 	// Initialize options
 	model.InitOptionMap()
+	if os.Getenv("SYNC_FREQUENCY") != "" {
+		frequency, err := strconv.Atoi(os.Getenv("SYNC_FREQUENCY"))
+		if err != nil {
+			common.FatalLog(err)
+		}
+		go model.SyncOptions(frequency)
+	}
 
 	// Initialize HTTP server
 	server := gin.Default()

middleware/auth.go

@@ -85,6 +85,8 @@ func RootAuth() func(c *gin.Context) {
 func TokenAuth() func(c *gin.Context) {
 	return func(c *gin.Context) {
 		key := c.Request.Header.Get("Authorization")
+		key = strings.TrimPrefix(key, "Bearer ")
+		key = strings.TrimPrefix(key, "sk-")
 		parts := strings.Split(key, "-")
 		key = parts[0]
 		token, err := model.ValidateUserToken(key)
@@ -111,7 +113,7 @@ func TokenAuth() func(c *gin.Context) {
 		c.Set("id", token.UserId)
 		c.Set("token_id", token.Id)
 		requestURL := c.Request.URL.String()
-		consumeQuota := !token.UnlimitedQuota
+		consumeQuota := true
 		if strings.HasPrefix(requestURL, "/v1/models") {
 			consumeQuota = false
 		}

middleware/cache.go

@@ -6,7 +6,11 @@ import (
 
 func Cache() func(c *gin.Context) {
 	return func(c *gin.Context) {
-		c.Header("Cache-Control", "max-age=604800") // one week
+		if c.Request.RequestURI == "/" {
+			c.Header("Cache-Control", "no-cache")
+		} else {
+			c.Header("Cache-Control", "max-age=604800") // one week
+		}
 		c.Next()
 	}
 }

model/channel.go

@@ -6,17 +6,19 @@ import (
 )
 
 type Channel struct {
-	Id           int    `json:"id"`
-	Type         int    `json:"type" gorm:"default:0"`
-	Key          string `json:"key" gorm:"not null"`
-	Status       int    `json:"status" gorm:"default:1"`
-	Name         string `json:"name" gorm:"index"`
-	Weight       int    `json:"weight"`
-	CreatedTime  int64  `json:"created_time" gorm:"bigint"`
-	TestTime     int64  `json:"test_time" gorm:"bigint"`
-	ResponseTime int    `json:"response_time"` // in milliseconds
-	BaseURL      string `json:"base_url" gorm:"column:base_url"`
-	Other        string `json:"other"`
+	Id                 int     `json:"id"`
+	Type               int     `json:"type" gorm:"default:0"`
+	Key                string  `json:"key" gorm:"not null"`
+	Status             int     `json:"status" gorm:"default:1"`
+	Name               string  `json:"name" gorm:"index"`
+	Weight             int     `json:"weight"`
+	CreatedTime        int64   `json:"created_time" gorm:"bigint"`
+	TestTime           int64   `json:"test_time" gorm:"bigint"`
+	ResponseTime       int     `json:"response_time"` // in milliseconds
+	BaseURL            string  `json:"base_url" gorm:"column:base_url"`
+	Other              string  `json:"other"`
+	Balance            float64 `json:"balance"` // in USD
+	BalanceUpdatedTime int64   `json:"balance_updated_time" gorm:"bigint"`
 }
 
 func GetAllChannels(startIdx int, num int, selectAll bool) ([]*Channel, error) {
@@ -86,6 +88,16 @@ func (channel *Channel) UpdateResponseTime(responseTime int64) {
 	}
 }
 
+func (channel *Channel) UpdateBalance(balance float64) {
+	err := DB.Model(channel).Select("balance_updated_time", "balance").Updates(Channel{
+		BalanceUpdatedTime: common.GetTimestamp(),
+		Balance:            balance,
+	}).Error
+	if err != nil {
+		common.SysError("failed to update balance: " + err.Error())
+	}
+}
+
 func (channel *Channel) Delete() error {
 	var err error
 	err = DB.Delete(channel).Error

model/main.go

@@ -26,6 +26,7 @@ func createRootAccountIfNeed() error {
 			Status:      common.UserStatusEnabled,
 			DisplayName: "Root User",
 			AccessToken: common.GetUUID(),
+			Quota:       100000000,
 		}
 		DB.Create(&rootUser)
 	}

model/option.go

@@ -4,6 +4,7 @@ import (
 	"one-api/common"
 	"strconv"
 	"strings"
+	"time"
 )
 
 type Option struct {
@@ -55,9 +56,14 @@ func InitOptionMap() {
 	common.OptionMap["TurnstileSecretKey"] = ""
 	common.OptionMap["QuotaForNewUser"] = strconv.Itoa(common.QuotaForNewUser)
 	common.OptionMap["QuotaRemindThreshold"] = strconv.Itoa(common.QuotaRemindThreshold)
+	common.OptionMap["PreConsumedQuota"] = strconv.Itoa(common.PreConsumedQuota)
 	common.OptionMap["ModelRatio"] = common.ModelRatio2JSONString()
 	common.OptionMap["TopUpLink"] = common.TopUpLink
 	common.OptionMapRWMutex.Unlock()
+	loadOptionsFromDatabase()
+}
+
+func loadOptionsFromDatabase() {
 	options, _ := AllOption()
 	for _, option := range options {
 		err := updateOptionMap(option.Key, option.Value)
@@ -67,6 +73,14 @@ func InitOptionMap() {
 	}
 }
 
+func SyncOptions(frequency int) {
+	for {
+		time.Sleep(time.Duration(frequency) * time.Second)
+		common.SysLog("Syncing options from database")
+		loadOptionsFromDatabase()
+	}
+}
+
 func UpdateOption(key string, value string) error {
 	// Save to database first
 	option := Option{
@@ -159,6 +173,8 @@ func updateOptionMap(key string, value string) (err error) {
 		common.QuotaForNewUser, _ = strconv.Atoi(value)
 	case "QuotaRemindThreshold":
 		common.QuotaRemindThreshold, _ = strconv.Atoi(value)
+	case "PreConsumedQuota":
+		common.PreConsumedQuota, _ = strconv.Atoi(value)
 	case "ModelRatio":
 		err = common.UpdateModelRatioByJSONString(value)
 	case "TopUpLink":

model/token.go

@@ -6,7 +6,6 @@ import (
 	_ "gorm.io/driver/sqlite"
 	"gorm.io/gorm"
 	"one-api/common"
-	"strings"
 )
 
 type Token struct {
@@ -38,7 +37,6 @@ func ValidateUserToken(key string) (token *Token, err error) {
 	if key == "" {
 		return nil, errors.New("未提供 token")
 	}
-	key = strings.Replace(key, "Bearer ", "", 1)
 	token = &Token{}
 	err = DB.Where("`key` = ?", key).First(token).Error
 	if err == nil {
@@ -130,7 +128,23 @@ func DeleteTokenById(id int, userId int) (err error) {
 	return token.Delete()
 }
 
-func DecreaseTokenQuota(tokenId int, quota int) (err error) {
+func IncreaseTokenQuota(id int, quota int) (err error) {
+	if quota < 0 {
+		return errors.New("quota 不能为负数！")
+	}
+	err = DB.Model(&Token{}).Where("id = ?", id).Update("remain_quota", gorm.Expr("remain_quota + ?", quota)).Error
+	return err
+}
+
+func DecreaseTokenQuota(id int, quota int) (err error) {
+	if quota < 0 {
+		return errors.New("quota 不能为负数！")
+	}
+	err = DB.Model(&Token{}).Where("id = ?", id).Update("remain_quota", gorm.Expr("remain_quota - ?", quota)).Error
+	return err
+}
+
+func PreConsumeTokenQuota(tokenId int, quota int) (err error) {
 	if quota < 0 {
 		return errors.New("quota 不能为负数！")
 	}
@@ -138,7 +152,7 @@ func DecreaseTokenQuota(tokenId int, quota int) (err error) {
 	if err != nil {
 		return err
 	}
-	if token.RemainQuota < quota {
+	if !token.UnlimitedQuota && token.RemainQuota < quota {
 		return errors.New("令牌额度不足")
 	}
 	userQuota, err := GetUserQuota(token.UserId)
@@ -163,17 +177,42 @@ func DecreaseTokenQuota(tokenId int, quota int) (err error) {
 			if email != "" {
 				topUpLink := fmt.Sprintf("%s/topup", common.ServerAddress)
 				err = common.SendEmail(prompt, email,
-					fmt.Sprintf("%s，剩余额度为 %d，为了不影响您的使用，请及时充值。<br/>充值链接：<a href='%s'>%s</a>", prompt, userQuota-quota, topUpLink, topUpLink))
+					fmt.Sprintf("%s，当前剩余额度为 %d，为了不影响您的使用，请及时充值。<br/>充值链接：<a href='%s'>%s</a>", prompt, userQuota, topUpLink, topUpLink))
 				if err != nil {
 					common.SysError("发送邮件失败：" + err.Error())
 				}
 			}
 		}()
 	}
-	err = DB.Model(&Token{}).Where("id = ?", tokenId).Update("remain_quota", gorm.Expr("remain_quota - ?", quota)).Error
-	if err != nil {
-		return err
+	if !token.UnlimitedQuota {
+		err = DecreaseTokenQuota(tokenId, quota)
+		if err != nil {
+			return err
+		}
 	}
 	err = DecreaseUserQuota(token.UserId, quota)
 	return err
 }
+
+func PostConsumeTokenQuota(tokenId int, quota int) (err error) {
+	token, err := GetTokenById(tokenId)
+	if quota > 0 {
+		err = DecreaseUserQuota(token.UserId, quota)
+	} else {
+		err = IncreaseUserQuota(token.UserId, -quota)
+	}
+	if err != nil {
+		return err
+	}
+	if !token.UnlimitedQuota {
+		if quota > 0 {
+			err = DecreaseTokenQuota(tokenId, quota)
+		} else {
+			err = IncreaseTokenQuota(tokenId, -quota)
+		}
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}

model/user.go

@@ -19,8 +19,7 @@ type User struct {
 	Email            string `json:"email" gorm:"index" validate:"max=50"`
 	GitHubId         string `json:"github_id" gorm:"column:github_id;index"`
 	WeChatId         string `json:"wechat_id" gorm:"column:wechat_id;index"`
-	VerificationCode string `json:"verification_code" gorm:"-:all"` // this field is only for Email verification, don't save it to database!
-	Balance          int    `json:"balance" gorm:"type:int;default:0"`
+	VerificationCode string `json:"verification_code" gorm:"-:all"`                                    // this field is only for Email verification, don't save it to database!
 	AccessToken      string `json:"access_token" gorm:"type:char(32);column:access_token;uniqueIndex"` // this token is for system management
 	Quota            int    `json:"quota" gorm:"type:int;default:0"`
 }

router/api-router.go

@@ -66,6 +66,8 @@ func SetApiRouter(router *gin.Engine) {
 			channelRoute.GET("/:id", controller.GetChannel)
 			channelRoute.GET("/test", controller.TestAllChannels)
 			channelRoute.GET("/test/:id", controller.TestChannel)
+			channelRoute.GET("/update_balance", controller.UpdateAllChannelsBalance)
+			channelRoute.GET("/update_balance/:id", controller.UpdateChannelBalance)
 			channelRoute.POST("/", controller.AddChannel)
 			channelRoute.PUT("/", controller.UpdateChannel)
 			channelRoute.DELETE("/:id", controller.DeleteChannel)

router/dashboard.go

@@ -8,11 +8,14 @@ import (
 )
 
 func SetDashboardRouter(router *gin.Engine) {
-	apiRouter := router.Group("/dashboard")
+	apiRouter := router.Group("/")
 	apiRouter.Use(gzip.Gzip(gzip.DefaultCompression))
 	apiRouter.Use(middleware.GlobalAPIRateLimit())
 	apiRouter.Use(middleware.TokenAuth())
 	{
-		apiRouter.GET("/billing/credit_grants", controller.GetTokenStatus)
+		apiRouter.GET("/dashboard/billing/subscription", controller.GetSubscription)
+		apiRouter.GET("/v1/dashboard/billing/subscription", controller.GetSubscription)
+		apiRouter.GET("/dashboard/billing/usage", controller.GetUsage)
+		apiRouter.GET("/v1/dashboard/billing/usage", controller.GetUsage)
 	}
 }

router/main.go

@@ -2,12 +2,24 @@ package router
 
 import (
 	"embed"
+	"fmt"
 	"github.com/gin-gonic/gin"
+	"net/http"
+	"os"
+	"strings"
 )
 
 func SetRouter(router *gin.Engine, buildFS embed.FS, indexPage []byte) {
 	SetApiRouter(router)
 	SetDashboardRouter(router)
 	SetRelayRouter(router)
-	setWebRouter(router, buildFS, indexPage)
+	frontendBaseUrl := os.Getenv("FRONTEND_BASE_URL")
+	if frontendBaseUrl == "" {
+		SetWebRouter(router, buildFS, indexPage)
+	} else {
+		frontendBaseUrl = strings.TrimSuffix(frontendBaseUrl, "/")
+		router.NoRoute(func(c *gin.Context) {
+			c.Redirect(http.StatusMovedPermanently, fmt.Sprintf("%s%s", frontendBaseUrl, c.Request.RequestURI))
+		})
+	}
 }

router/relay-router.go

@@ -11,8 +11,8 @@ func SetRelayRouter(router *gin.Engine) {
 	relayV1Router := router.Group("/v1")
 	relayV1Router.Use(middleware.TokenAuth(), middleware.Distribute())
 	{
-		relayV1Router.GET("/models", controller.Relay)
-		relayV1Router.GET("/models/:model", controller.Relay)
+		relayV1Router.GET("/models", controller.ListModels)
+		relayV1Router.GET("/models/:model", controller.RetrieveModel)
 		relayV1Router.POST("/completions", controller.RelayNotImplemented)
 		relayV1Router.POST("/chat/completions", controller.Relay)
 		relayV1Router.POST("/edits", controller.RelayNotImplemented)

router/web-router.go

@@ -10,12 +10,13 @@ import (
 	"one-api/middleware"
 )
 
-func setWebRouter(router *gin.Engine, buildFS embed.FS, indexPage []byte) {
+func SetWebRouter(router *gin.Engine, buildFS embed.FS, indexPage []byte) {
 	router.Use(gzip.Gzip(gzip.DefaultCompression))
 	router.Use(middleware.GlobalWebRateLimit())
 	router.Use(middleware.Cache())
 	router.Use(static.Serve("/", common.EmbedFolder(buildFS, "web/build")))
 	router.NoRoute(func(c *gin.Context) {
+		c.Header("Cache-Control", "no-cache")
 		c.Data(http.StatusOK, "text/html; charset=utf-8", indexPage)
 	})
 }

web/src/components/ChannelsTable.js

@@ -32,6 +32,7 @@ const ChannelsTable = () => {
   const [activePage, setActivePage] = useState(1);
   const [searchKeyword, setSearchKeyword] = useState('');
   const [searching, setSearching] = useState(false);
+  const [updatingBalance, setUpdatingBalance] = useState(false);
 
   const loadChannels = async (startIdx) => {
     const res = await API.get(`/api/channel/?p=${startIdx}`);
@@ -63,7 +64,7 @@ const ChannelsTable = () => {
   const refresh = async () => {
     setLoading(true);
     await loadChannels(0);
-  }
+  };
 
   useEffect(() => {
     loadChannels(0)
@@ -127,7 +128,7 @@ const ChannelsTable = () => {
 
   const renderResponseTime = (responseTime) => {
     let time = responseTime / 1000;
-    time = time.toFixed(2) + " 秒";
+    time = time.toFixed(2) + ' 秒';
     if (responseTime === 0) {
       return <Label basic color='grey'>未测试</Label>;
     } else if (responseTime <= 1000) {
@@ -179,11 +180,38 @@ const ChannelsTable = () => {
     const res = await API.get(`/api/channel/test`);
     const { success, message } = res.data;
     if (success) {
-      showInfo("已成功开始测试所有已启用通道，请刷新页面查看结果。");
+      showInfo('已成功开始测试所有已启用通道，请刷新页面查看结果。');
     } else {
       showError(message);
     }
-  }
+  };
+
+  const updateChannelBalance = async (id, name, idx) => {
+    const res = await API.get(`/api/channel/update_balance/${id}/`);
+    const { success, message, balance } = res.data;
+    if (success) {
+      let newChannels = [...channels];
+      let realIdx = (activePage - 1) * ITEMS_PER_PAGE + idx;
+      newChannels[realIdx].balance = balance;
+      newChannels[realIdx].balance_updated_time = Date.now() / 1000;
+      setChannels(newChannels);
+      showInfo(`通道 ${name} 余额更新成功！`);
+    } else {
+      showError(message);
+    }
+  };
+
+  const updateAllChannelsBalance = async () => {
+    setUpdatingBalance(true);
+    const res = await API.get(`/api/channel/update_balance`);
+    const { success, message } = res.data;
+    if (success) {
+      showInfo('已更新完毕所有已启用通道余额！');
+    } else {
+      showError(message);
+    }
+    setUpdatingBalance(false);
+  };
 
   const handleKeywordChange = async (e, { value }) => {
     setSearchKeyword(value.trim());
@@ -263,10 +291,10 @@ const ChannelsTable = () => {
             <Table.HeaderCell
               style={{ cursor: 'pointer' }}
               onClick={() => {
-                sortChannel('test_time');
+                sortChannel('balance');
               }}
             >
-              测试时间
+              余额
             </Table.HeaderCell>
             <Table.HeaderCell>操作</Table.HeaderCell>
           </Table.Row>
@@ -286,8 +314,22 @@ const ChannelsTable = () => {
                   <Table.Cell>{channel.name ? channel.name : '无'}</Table.Cell>
                   <Table.Cell>{renderType(channel.type)}</Table.Cell>
                   <Table.Cell>{renderStatus(channel.status)}</Table.Cell>
-                  <Table.Cell>{renderResponseTime(channel.response_time)}</Table.Cell>
-                  <Table.Cell>{channel.test_time ? renderTimestamp(channel.test_time) : "未测试"}</Table.Cell>
+                  <Table.Cell>
+                    <Popup
+                      content={channel.test_time ? renderTimestamp(channel.test_time) : '未测试'}
+                      key={channel.id}
+                      trigger={renderResponseTime(channel.response_time)}
+                      basic
+                    />
+                  </Table.Cell>
+                  <Table.Cell>
+                    <Popup
+                      content={channel.balance_updated_time ? renderTimestamp(channel.balance_updated_time) : '未更新'}
+                      key={channel.id}
+                      trigger={<span>${channel.balance.toFixed(2)}</span>}
+                      basic
+                    />
+                  </Table.Cell>
                   <Table.Cell>
                     <div>
                       <Button
@@ -299,6 +341,16 @@ const ChannelsTable = () => {
                       >
                         测试
                       </Button>
+                      <Button
+                        size={'small'}
+                        positive
+                        loading={updatingBalance}
+                        onClick={() => {
+                          updateChannelBalance(channel.id, channel.name, idx);
+                        }}
+                      >
+                        更新余额
+                      </Button>
                       <Popup
                         trigger={
                           <Button size='small' negative>
@@ -353,6 +405,7 @@ const ChannelsTable = () => {
               <Button size='small' loading={loading} onClick={testAllChannels}>
                 测试所有已启用通道
               </Button>
+              <Button size='small' onClick={updateAllChannelsBalance} loading={updatingBalance}>更新所有已启用通道余额</Button>
               <Pagination
                 floated='right'
                 activePage={activePage}

web/src/components/Header.js

@@ -34,7 +34,6 @@ const headerButtons = [
     name: '充值',
     to: '/topup',
     icon: 'cart',
-    admin: true,
   },
   {
     name: '用户',

web/src/components/PersonalSetting.js

@@ -112,13 +112,17 @@ const PersonalSetting = () => {
       <Button onClick={generateAccessToken}>生成系统访问令牌</Button>
       <Divider />
       <Header as='h3'>账号绑定</Header>
-      <Button
-        onClick={() => {
-          setShowWeChatBindModal(true);
-        }}
-      >
-        绑定微信账号
-      </Button>
+      {
+        status.wechat_login && (
+          <Button
+            onClick={() => {
+              setShowWeChatBindModal(true);
+            }}
+          >
+            绑定微信账号
+          </Button>
+        )
+      }
       <Modal
         onClose={() => setShowWeChatBindModal(false)}
         onOpen={() => setShowWeChatBindModal(true)}
@@ -148,7 +152,11 @@ const PersonalSetting = () => {
           </Modal.Description>
         </Modal.Content>
       </Modal>
-      <Button onClick={openGitHubOAuth}>绑定 GitHub 账号</Button>
+      {
+        status.github_oauth && (
+          <Button onClick={openGitHubOAuth}>绑定 GitHub 账号</Button>
+        )
+      }
       <Button
         onClick={() => {
           setShowEmailBindModal(true);

web/src/components/SystemSetting.js

@@ -28,6 +28,7 @@ const SystemSetting = () => {
     RegisterEnabled: '',
     QuotaForNewUser: 0,
     QuotaRemindThreshold: 0,
+    PreConsumedQuota: 0,
     ModelRatio: '',
     TopUpLink: '',
     AutomaticDisableChannelEnabled: '',
@@ -98,6 +99,7 @@ const SystemSetting = () => {
       name === 'TurnstileSecretKey' ||
       name === 'QuotaForNewUser' ||
       name === 'QuotaRemindThreshold' ||
+      name === 'PreConsumedQuota' ||
       name === 'ModelRatio' ||
       name === 'TopUpLink'
     ) {
@@ -119,6 +121,9 @@ const SystemSetting = () => {
     if (originInputs['QuotaRemindThreshold'] !== inputs.QuotaRemindThreshold) {
       await updateOption('QuotaRemindThreshold', inputs.QuotaRemindThreshold);
     }
+    if (originInputs['PreConsumedQuota'] !== inputs.PreConsumedQuota) {
+      await updateOption('PreConsumedQuota', inputs.PreConsumedQuota);
+    }
     if (originInputs['ModelRatio'] !== inputs.ModelRatio) {
       if (!verifyJSON(inputs.ModelRatio)) {
         showError('模型倍率不是合法的 JSON 字符串');
@@ -272,7 +277,7 @@ const SystemSetting = () => {
           <Header as='h3'>
             运营设置
           </Header>
-          <Form.Group widths={3}>
+          <Form.Group widths={4}>
             <Form.Input
               label='新用户初始配额'
               name='QuotaForNewUser'
@@ -302,6 +307,16 @@ const SystemSetting = () => {
               min='0'
               placeholder='低于此额度时将发送邮件提醒用户'
             />
+            <Form.Input
+              label='请求预扣费额度'
+              name='PreConsumedQuota'
+              onChange={handleInputChange}
+              autoComplete='new-password'
+              value={inputs.PreConsumedQuota}
+              type='number'
+              min='0'
+              placeholder='请求结束后多退少补'
+            />
           </Form.Group>
           <Form.Group widths='equal'>
             <Form.TextArea
@@ -321,7 +336,7 @@ const SystemSetting = () => {
           </Header>
           <Form.Group widths={3}>
             <Form.Input
-              label='最长回应时间'
+              label='最长响应时间'
               name='ChannelDisableThreshold'
               onChange={handleInputChange}
               autoComplete='new-password'

web/src/components/UsersTable.js

@@ -4,6 +4,7 @@ import { Link } from 'react-router-dom';
 import { API, showError, showSuccess } from '../helpers';
 
 import { ITEMS_PER_PAGE } from '../constants';
+import { renderText } from '../helpers/render';
 
 function renderRole(role) {
   switch (role) {
@@ -64,7 +65,7 @@ const UsersTable = () => {
     (async () => {
       const res = await API.post('/api/user/manage', {
         username,
-        action,
+        action
       });
       const { success, message } = res.data;
       if (success) {
@@ -161,18 +162,18 @@ const UsersTable = () => {
             <Table.HeaderCell
               style={{ cursor: 'pointer' }}
               onClick={() => {
-                sortUser('username');
+                sortUser('id');
               }}
             >
-              用户名
+              ID
             </Table.HeaderCell>
             <Table.HeaderCell
               style={{ cursor: 'pointer' }}
               onClick={() => {
-                sortUser('display_name');
+                sortUser('username');
               }}
             >
-              显示名称
+              用户名
             </Table.HeaderCell>
             <Table.HeaderCell
               style={{ cursor: 'pointer' }}
@@ -220,9 +221,17 @@ const UsersTable = () => {
               if (user.deleted) return <></>;
               return (
                 <Table.Row key={user.id}>
-                  <Table.Cell>{user.username}</Table.Cell>
-                  <Table.Cell>{user.display_name}</Table.Cell>
-                  <Table.Cell>{user.email ? user.email : '无'}</Table.Cell>
+                  <Table.Cell>{user.id}</Table.Cell>
+                  <Table.Cell>
+                    <Popup
+                      content={user.email ? user.email : '未绑定邮箱地址'}
+                      key={user.display_name}
+                      header={user.display_name ? user.display_name : user.username}
+                      trigger={<span>{renderText(user.username, 10)}</span>}
+                      hoverable
+                    />
+                  </Table.Cell>
+                  <Table.Cell>{user.email ? renderText(user.email, 30) : '无'}</Table.Cell>
                   <Table.Cell>{user.quota}</Table.Cell>
                   <Table.Cell>{renderRole(user.role)}</Table.Cell>
                   <Table.Cell>{renderStatus(user.status)}</Table.Cell>
@@ -234,6 +243,7 @@ const UsersTable = () => {
                         onClick={() => {
                           manageUser(user.username, 'promote', idx);
                         }}
+                        disabled={user.role === 100}
                       >
                         提升
                       </Button>
@@ -243,12 +253,13 @@ const UsersTable = () => {
                         onClick={() => {
                           manageUser(user.username, 'demote', idx);
                         }}
+                        disabled={user.role === 100}
                       >
                         降级
                       </Button>
                       <Popup
                         trigger={
-                          <Button size='small' negative>
+                          <Button size='small' negative disabled={user.role === 100}>
                             删除
                           </Button>
                         }
@@ -274,6 +285,7 @@ const UsersTable = () => {
                             idx
                           );
                         }}
+                        disabled={user.role === 100}
                       >
                         {user.status === 1 ? '禁用' : '启用'}
                       </Button>
@@ -281,6 +293,7 @@ const UsersTable = () => {
                         size={'small'}
                         as={Link}
                         to={'/user/edit/' + user.id}
+                        disabled={user.role === 100}
                       >
                         编辑
                       </Button>

web/src/constants/channel.constants.js

@@ -1,10 +1,12 @@
 export const CHANNEL_OPTIONS = [
   { key: 1, text: 'OpenAI', value: 1, color: 'green' },
-  { key: 2, text: 'API2D', value: 2, color: 'blue' },
+  { key: 8, text: '自定义', value: 8, color: 'pink' },
   { key: 3, text: 'Azure', value: 3, color: 'olive' },
+  { key: 2, text: 'API2D', value: 2, color: 'blue' },
   { key: 4, text: 'CloseAI', value: 4, color: 'teal' },
   { key: 5, text: 'OpenAI-SB', value: 5, color: 'brown' },
   { key: 6, text: 'OpenAI Max', value: 6, color: 'violet' },
   { key: 7, text: 'OhMyGPT', value: 7, color: 'purple' },
-  { key: 8, text: '自定义', value: 8, color: 'pink' }
+  { key: 9, text: 'AI.LS', value: 9, color: 'yellow' },
+  { key: 10, text: 'AI Proxy', value: 10, color: 'purple' }
 ];

web/src/helpers/render.js

@@ -0,0 +1,6 @@
+export function renderText(text, limit) {
+  if (text.length > limit) {
+    return text.slice(0, limit - 3) + '...';
+  }
+  return text;
+}

web/src/pages/Channel/EditChannel.js

@@ -46,6 +46,9 @@ const EditChannel = () => {
     if (localInputs.base_url.endsWith('/')) {
       localInputs.base_url = localInputs.base_url.slice(0, localInputs.base_url.length - 1);
     }
+    if (localInputs.type === 3 && localInputs.other === '') {
+      localInputs.other = '2023-03-15-preview';
+    }
     let res;
     if (isEdit) {
       res = await API.put(`/api/channel/`, { ...localInputs, id: parseInt(channelId) });

web/src/pages/Token/EditToken.js

@@ -1,5 +1,5 @@
 import React, { useEffect, useState } from 'react';
-import { Button, Form, Header, Segment } from 'semantic-ui-react';
+import { Button, Form, Header, Message, Segment } from 'semantic-ui-react';
 import { useParams } from 'react-router-dom';
 import { API, showError, showSuccess, timestamp2string } from '../../helpers';
 
@@ -106,6 +106,7 @@ const EditToken = () => {
               required={!isEdit}
             />
           </Form.Field>
+          <Message>注意，令牌的额度仅用于限制令牌本身的最大额度使用量，实际的使用受到账户的剩余额度限制。</Message>
           <Form.Field>
             <Form.Input
               label='额度'

web/src/pages/TopUp/index.js

@@ -1,6 +1,6 @@
 import React, { useEffect, useState } from 'react';
 import { Button, Form, Grid, Header, Segment, Statistic } from 'semantic-ui-react';
-import { API, showError, showSuccess } from '../../helpers';
+import { API, showError, showInfo, showSuccess } from '../../helpers';
 
 const TopUp = () => {
   const [redemptionCode, setRedemptionCode] = useState('');
@@ -9,6 +9,7 @@ const TopUp = () => {
 
   const topUp = async () => {
     if (redemptionCode === '') {
+      showInfo('请输入充值码！')
       return;
     }
     const res = await API.post('/api/user/topup', {
@@ -80,7 +81,7 @@ const TopUp = () => {
         <Grid.Column>
           <Statistic.Group widths='one'>
             <Statistic>
-              <Statistic.Value>{userQuota}</Statistic.Value>
+              <Statistic.Value>{userQuota.toLocaleString()}</Statistic.Value>
               <Statistic.Label>剩余额度</Statistic.Label>
             </Statistic>
           </Statistic.Group>

web/src/pages/User/EditUser.js

@@ -14,8 +14,9 @@ const EditUser = () => {
     github_id: '',
     wechat_id: '',
     email: '',
+    quota: 0,
   });
-  const { username, display_name, password, github_id, wechat_id, email } =
+  const { username, display_name, password, github_id, wechat_id, email, quota } =
     inputs;
   const handleInputChange = (e, { name, value }) => {
     setInputs((inputs) => ({ ...inputs, [name]: value }));
@@ -44,7 +45,11 @@ const EditUser = () => {
   const submit = async () => {
     let res = undefined;
     if (userId) {
-      res = await API.put(`/api/user/`, { ...inputs, id: parseInt(userId) });
+      let data = { ...inputs, id: parseInt(userId) };
+      if (typeof data.quota === 'string') {
+        data.quota = parseInt(data.quota);
+      }
+      res = await API.put(`/api/user/`, data);
     } else {
       res = await API.put(`/api/user/self`, inputs);
     }
@@ -92,6 +97,21 @@ const EditUser = () => {
               autoComplete='new-password'
             />
           </Form.Field>
+          {
+            userId && (
+              <Form.Field>
+                <Form.Input
+                  label='剩余额度'
+                  name='quota'
+                  placeholder={'请输入新的剩余额度'}
+                  onChange={handleInputChange}
+                  value={quota}
+                  type={'number'}
+                  autoComplete='new-password'
+                />
+              </Form.Field>
+            )
+          }
           <Form.Field>
             <Form.Input
               label='已绑定的 GitHub 账户'