mirror of
https://github.com/songquanpeng/one-api.git
synced 2025-12-27 02:05:56 +08:00
chore: reorganize adaptor related package
This commit is contained in:
JustSong
311
relay/adaptor/xunfei/main.go
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311
relay/adaptor/xunfei/main.go
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@@ -0,0 +1,311 @@
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package xunfei
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import (
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"crypto/hmac"
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"crypto/sha256"
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"encoding/base64"
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"encoding/json"
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"fmt"
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"github.com/gin-gonic/gin"
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"github.com/gorilla/websocket"
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"github.com/songquanpeng/one-api/common"
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"github.com/songquanpeng/one-api/common/helper"
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"github.com/songquanpeng/one-api/common/logger"
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"github.com/songquanpeng/one-api/common/random"
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"github.com/songquanpeng/one-api/relay/adaptor/openai"
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"github.com/songquanpeng/one-api/relay/constant"
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"github.com/songquanpeng/one-api/relay/model"
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"io"
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"net/http"
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"net/url"
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"strings"
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"time"
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)
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// https://console.xfyun.cn/services/cbm
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// https://www.xfyun.cn/doc/spark/Web.html
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func requestOpenAI2Xunfei(request model.GeneralOpenAIRequest, xunfeiAppId string, domain string) *ChatRequest {
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messages := make([]Message, 0, len(request.Messages))
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var lastToolCalls []model.Tool
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for _, message := range request.Messages {
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if message.ToolCalls != nil {
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lastToolCalls = message.ToolCalls
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}
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messages = append(messages, Message{
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Role: message.Role,
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Content: message.StringContent(),
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})
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}
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xunfeiRequest := ChatRequest{}
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xunfeiRequest.Header.AppId = xunfeiAppId
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xunfeiRequest.Parameter.Chat.Domain = domain
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xunfeiRequest.Parameter.Chat.Temperature = request.Temperature
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xunfeiRequest.Parameter.Chat.TopK = request.N
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xunfeiRequest.Parameter.Chat.MaxTokens = request.MaxTokens
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xunfeiRequest.Payload.Message.Text = messages
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if len(lastToolCalls) != 0 {
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for _, toolCall := range lastToolCalls {
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xunfeiRequest.Payload.Functions.Text = append(xunfeiRequest.Payload.Functions.Text, toolCall.Function)
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}
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}
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return &xunfeiRequest
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}
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func getToolCalls(response *ChatResponse) []model.Tool {
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var toolCalls []model.Tool
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if len(response.Payload.Choices.Text) == 0 {
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return toolCalls
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}
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item := response.Payload.Choices.Text[0]
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if item.FunctionCall == nil {
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return toolCalls
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}
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toolCall := model.Tool{
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Id: fmt.Sprintf("call_%s", random.GetUUID()),
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Type: "function",
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Function: *item.FunctionCall,
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}
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toolCalls = append(toolCalls, toolCall)
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return toolCalls
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}
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func responseXunfei2OpenAI(response *ChatResponse) *openai.TextResponse {
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if len(response.Payload.Choices.Text) == 0 {
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response.Payload.Choices.Text = []ChatResponseTextItem{
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{
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Content: "",
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},
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}
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}
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choice := openai.TextResponseChoice{
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Index: 0,
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Message: model.Message{
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Role: "assistant",
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Content: response.Payload.Choices.Text[0].Content,
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ToolCalls: getToolCalls(response),
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},
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FinishReason: constant.StopFinishReason,
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}
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fullTextResponse := openai.TextResponse{
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Id: fmt.Sprintf("chatcmpl-%s", random.GetUUID()),
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Object: "chat.completion",
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Created: helper.GetTimestamp(),
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Choices: []openai.TextResponseChoice{choice},
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Usage: response.Payload.Usage.Text,
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}
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return &fullTextResponse
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}
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func streamResponseXunfei2OpenAI(xunfeiResponse *ChatResponse) *openai.ChatCompletionsStreamResponse {
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if len(xunfeiResponse.Payload.Choices.Text) == 0 {
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xunfeiResponse.Payload.Choices.Text = []ChatResponseTextItem{
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{
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Content: "",
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},
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}
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}
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var choice openai.ChatCompletionsStreamResponseChoice
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choice.Delta.Content = xunfeiResponse.Payload.Choices.Text[0].Content
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choice.Delta.ToolCalls = getToolCalls(xunfeiResponse)
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if xunfeiResponse.Payload.Choices.Status == 2 {
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choice.FinishReason = &constant.StopFinishReason
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}
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response := openai.ChatCompletionsStreamResponse{
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Id: fmt.Sprintf("chatcmpl-%s", random.GetUUID()),
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Object: "chat.completion.chunk",
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Created: helper.GetTimestamp(),
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Model: "SparkDesk",
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Choices: []openai.ChatCompletionsStreamResponseChoice{choice},
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}
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return &response
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}
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func buildXunfeiAuthUrl(hostUrl string, apiKey, apiSecret string) string {
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HmacWithShaToBase64 := func(algorithm, data, key string) string {
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mac := hmac.New(sha256.New, []byte(key))
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mac.Write([]byte(data))
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encodeData := mac.Sum(nil)
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return base64.StdEncoding.EncodeToString(encodeData)
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}
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ul, err := url.Parse(hostUrl)
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if err != nil {
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fmt.Println(err)
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}
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date := time.Now().UTC().Format(time.RFC1123)
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signString := []string{"host: " + ul.Host, "date: " + date, "GET " + ul.Path + " HTTP/1.1"}
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sign := strings.Join(signString, "\n")
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sha := HmacWithShaToBase64("hmac-sha256", sign, apiSecret)
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authUrl := fmt.Sprintf("hmac username=\"%s\", algorithm=\"%s\", headers=\"%s\", signature=\"%s\"", apiKey,
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"hmac-sha256", "host date request-line", sha)
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authorization := base64.StdEncoding.EncodeToString([]byte(authUrl))
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v := url.Values{}
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v.Add("host", ul.Host)
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v.Add("date", date)
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v.Add("authorization", authorization)
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callUrl := hostUrl + "?" + v.Encode()
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return callUrl
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}
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func StreamHandler(c *gin.Context, textRequest model.GeneralOpenAIRequest, appId string, apiSecret string, apiKey string) (*model.ErrorWithStatusCode, *model.Usage) {
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domain, authUrl := getXunfeiAuthUrl(c, apiKey, apiSecret, textRequest.Model)
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dataChan, stopChan, err := xunfeiMakeRequest(textRequest, domain, authUrl, appId)
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if err != nil {
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return openai.ErrorWrapper(err, "xunfei_request_failed", http.StatusInternalServerError), nil
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}
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common.SetEventStreamHeaders(c)
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var usage model.Usage
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c.Stream(func(w io.Writer) bool {
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select {
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case xunfeiResponse := <-dataChan:
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usage.PromptTokens += xunfeiResponse.Payload.Usage.Text.PromptTokens
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usage.CompletionTokens += xunfeiResponse.Payload.Usage.Text.CompletionTokens
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usage.TotalTokens += xunfeiResponse.Payload.Usage.Text.TotalTokens
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response := streamResponseXunfei2OpenAI(&xunfeiResponse)
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jsonResponse, err := json.Marshal(response)
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if err != nil {
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logger.SysError("error marshalling stream response: " + err.Error())
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return true
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}
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c.Render(-1, common.CustomEvent{Data: "data: " + string(jsonResponse)})
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return true
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case <-stopChan:
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c.Render(-1, common.CustomEvent{Data: "data: [DONE]"})
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return false
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}
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})
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return nil, &usage
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}
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func Handler(c *gin.Context, textRequest model.GeneralOpenAIRequest, appId string, apiSecret string, apiKey string) (*model.ErrorWithStatusCode, *model.Usage) {
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domain, authUrl := getXunfeiAuthUrl(c, apiKey, apiSecret, textRequest.Model)
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dataChan, stopChan, err := xunfeiMakeRequest(textRequest, domain, authUrl, appId)
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if err != nil {
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return openai.ErrorWrapper(err, "xunfei_request_failed", http.StatusInternalServerError), nil
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}
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var usage model.Usage
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var content string
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var xunfeiResponse ChatResponse
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stop := false
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for !stop {
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select {
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case xunfeiResponse = <-dataChan:
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if len(xunfeiResponse.Payload.Choices.Text) == 0 {
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continue
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}
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content += xunfeiResponse.Payload.Choices.Text[0].Content
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usage.PromptTokens += xunfeiResponse.Payload.Usage.Text.PromptTokens
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usage.CompletionTokens += xunfeiResponse.Payload.Usage.Text.CompletionTokens
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usage.TotalTokens += xunfeiResponse.Payload.Usage.Text.TotalTokens
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case stop = <-stopChan:
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}
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}
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if len(xunfeiResponse.Payload.Choices.Text) == 0 {
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return openai.ErrorWrapper(err, "xunfei_empty_response_detected", http.StatusInternalServerError), nil
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}
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xunfeiResponse.Payload.Choices.Text[0].Content = content
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response := responseXunfei2OpenAI(&xunfeiResponse)
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jsonResponse, err := json.Marshal(response)
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if err != nil {
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return openai.ErrorWrapper(err, "marshal_response_body_failed", http.StatusInternalServerError), nil
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}
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c.Writer.Header().Set("Content-Type", "application/json")
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_, _ = c.Writer.Write(jsonResponse)
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return nil, &usage
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}
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func xunfeiMakeRequest(textRequest model.GeneralOpenAIRequest, domain, authUrl, appId string) (chan ChatResponse, chan bool, error) {
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d := websocket.Dialer{
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HandshakeTimeout: 5 * time.Second,
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}
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conn, resp, err := d.Dial(authUrl, nil)
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if err != nil || resp.StatusCode != 101 {
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return nil, nil, err
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}
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data := requestOpenAI2Xunfei(textRequest, appId, domain)
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err = conn.WriteJSON(data)
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if err != nil {
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return nil, nil, err
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}
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_, msg, err := conn.ReadMessage()
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if err != nil {
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return nil, nil, err
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}
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dataChan := make(chan ChatResponse)
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stopChan := make(chan bool)
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go func() {
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for {
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if msg == nil {
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_, msg, err = conn.ReadMessage()
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if err != nil {
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logger.SysError("error reading stream response: " + err.Error())
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break
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}
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}
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var response ChatResponse
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err = json.Unmarshal(msg, &response)
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if err != nil {
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logger.SysError("error unmarshalling stream response: " + err.Error())
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break
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}
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msg = nil
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dataChan <- response
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if response.Payload.Choices.Status == 2 {
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err := conn.Close()
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if err != nil {
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logger.SysError("error closing websocket connection: " + err.Error())
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}
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break
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}
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}
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stopChan <- true
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}()
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return dataChan, stopChan, nil
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}
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func getAPIVersion(c *gin.Context, modelName string) string {
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query := c.Request.URL.Query()
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apiVersion := query.Get("api-version")
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if apiVersion != "" {
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return apiVersion
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}
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parts := strings.Split(modelName, "-")
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if len(parts) == 2 {
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apiVersion = parts[1]
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return apiVersion
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}
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apiVersion = c.GetString(common.ConfigKeyAPIVersion)
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if apiVersion != "" {
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return apiVersion
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}
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apiVersion = "v1.1"
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logger.SysLog("api_version not found, using default: " + apiVersion)
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return apiVersion
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}
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// https://www.xfyun.cn/doc/spark/Web.html#_1-%E6%8E%A5%E5%8F%A3%E8%AF%B4%E6%98%8E
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func apiVersion2domain(apiVersion string) string {
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switch apiVersion {
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case "v1.1":
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return "general"
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case "v2.1":
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return "generalv2"
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case "v3.1":
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return "generalv3"
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case "v3.5":
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return "generalv3.5"
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}
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return "general" + apiVersion
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}
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func getXunfeiAuthUrl(c *gin.Context, apiKey string, apiSecret string, modelName string) (string, string) {
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apiVersion := getAPIVersion(c, modelName)
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domain := apiVersion2domain(apiVersion)
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authUrl := buildXunfeiAuthUrl(fmt.Sprintf("wss://spark-api.xf-yun.com/%s/chat", apiVersion), apiKey, apiSecret)
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return domain, authUrl
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}
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