mirror of
https://github.com/linux-do/new-api.git
synced 2025-11-12 17:13:43 +08:00
feat: 初步重构
This commit is contained in:
1808837298@qq.com
298
relay/channel/baidu/relay-baidu.go
Normal file
298
relay/channel/baidu/relay-baidu.go
Normal file
@@ -0,0 +1,298 @@
|
||||
package baidu
|
||||
|
||||
import (
|
||||
"bufio"
|
||||
"encoding/json"
|
||||
"errors"
|
||||
"fmt"
|
||||
"github.com/gin-gonic/gin"
|
||||
"io"
|
||||
"net/http"
|
||||
"one-api/common"
|
||||
"one-api/dto"
|
||||
relaycommon "one-api/relay/common"
|
||||
"one-api/service"
|
||||
"strings"
|
||||
"sync"
|
||||
"time"
|
||||
)
|
||||
|
||||
// https://cloud.baidu.com/doc/WENXINWORKSHOP/s/flfmc9do2
|
||||
|
||||
var baiduTokenStore sync.Map
|
||||
|
||||
func requestOpenAI2Baidu(request dto.GeneralOpenAIRequest) *BaiduChatRequest {
|
||||
messages := make([]BaiduMessage, 0, len(request.Messages))
|
||||
for _, message := range request.Messages {
|
||||
if message.Role == "system" {
|
||||
messages = append(messages, BaiduMessage{
|
||||
Role: "user",
|
||||
Content: message.StringContent(),
|
||||
})
|
||||
messages = append(messages, BaiduMessage{
|
||||
Role: "assistant",
|
||||
Content: "Okay",
|
||||
})
|
||||
} else {
|
||||
messages = append(messages, BaiduMessage{
|
||||
Role: message.Role,
|
||||
Content: message.StringContent(),
|
||||
})
|
||||
}
|
||||
}
|
||||
return &BaiduChatRequest{
|
||||
Messages: messages,
|
||||
Stream: request.Stream,
|
||||
}
|
||||
}
|
||||
|
||||
func responseBaidu2OpenAI(response *BaiduChatResponse) *dto.OpenAITextResponse {
|
||||
content, _ := json.Marshal(response.Result)
|
||||
choice := dto.OpenAITextResponseChoice{
|
||||
Index: 0,
|
||||
Message: dto.Message{
|
||||
Role: "assistant",
|
||||
Content: content,
|
||||
},
|
||||
FinishReason: "stop",
|
||||
}
|
||||
fullTextResponse := dto.OpenAITextResponse{
|
||||
Id: response.Id,
|
||||
Object: "chat.completion",
|
||||
Created: response.Created,
|
||||
Choices: []dto.OpenAITextResponseChoice{choice},
|
||||
Usage: response.Usage,
|
||||
}
|
||||
return &fullTextResponse
|
||||
}
|
||||
|
||||
func streamResponseBaidu2OpenAI(baiduResponse *BaiduChatStreamResponse) *dto.ChatCompletionsStreamResponse {
|
||||
var choice dto.ChatCompletionsStreamResponseChoice
|
||||
choice.Delta.Content = baiduResponse.Result
|
||||
if baiduResponse.IsEnd {
|
||||
choice.FinishReason = &relaycommon.StopFinishReason
|
||||
}
|
||||
response := dto.ChatCompletionsStreamResponse{
|
||||
Id: baiduResponse.Id,
|
||||
Object: "chat.completion.chunk",
|
||||
Created: baiduResponse.Created,
|
||||
Model: "ernie-bot",
|
||||
Choices: []dto.ChatCompletionsStreamResponseChoice{choice},
|
||||
}
|
||||
return &response
|
||||
}
|
||||
|
||||
func embeddingRequestOpenAI2Baidu(request dto.GeneralOpenAIRequest) *BaiduEmbeddingRequest {
|
||||
return &BaiduEmbeddingRequest{
|
||||
Input: request.ParseInput(),
|
||||
}
|
||||
}
|
||||
|
||||
func embeddingResponseBaidu2OpenAI(response *BaiduEmbeddingResponse) *dto.OpenAIEmbeddingResponse {
|
||||
openAIEmbeddingResponse := dto.OpenAIEmbeddingResponse{
|
||||
Object: "list",
|
||||
Data: make([]dto.OpenAIEmbeddingResponseItem, 0, len(response.Data)),
|
||||
Model: "baidu-embedding",
|
||||
Usage: response.Usage,
|
||||
}
|
||||
for _, item := range response.Data {
|
||||
openAIEmbeddingResponse.Data = append(openAIEmbeddingResponse.Data, dto.OpenAIEmbeddingResponseItem{
|
||||
Object: item.Object,
|
||||
Index: item.Index,
|
||||
Embedding: item.Embedding,
|
||||
})
|
||||
}
|
||||
return &openAIEmbeddingResponse
|
||||
}
|
||||
|
||||
func baiduStreamHandler(c *gin.Context, resp *http.Response) (*dto.OpenAIErrorWithStatusCode, *dto.Usage) {
|
||||
var usage dto.Usage
|
||||
scanner := bufio.NewScanner(resp.Body)
|
||||
scanner.Split(func(data []byte, atEOF bool) (advance int, token []byte, err error) {
|
||||
if atEOF && len(data) == 0 {
|
||||
return 0, nil, nil
|
||||
}
|
||||
if i := strings.Index(string(data), "\n"); i >= 0 {
|
||||
return i + 1, data[0:i], nil
|
||||
}
|
||||
if atEOF {
|
||||
return len(data), data, nil
|
||||
}
|
||||
return 0, nil, nil
|
||||
})
|
||||
dataChan := make(chan string)
|
||||
stopChan := make(chan bool)
|
||||
go func() {
|
||||
for scanner.Scan() {
|
||||
data := scanner.Text()
|
||||
if len(data) < 6 { // ignore blank line or wrong format
|
||||
continue
|
||||
}
|
||||
data = data[6:]
|
||||
dataChan <- data
|
||||
}
|
||||
stopChan <- true
|
||||
}()
|
||||
service.SetEventStreamHeaders(c)
|
||||
c.Stream(func(w io.Writer) bool {
|
||||
select {
|
||||
case data := <-dataChan:
|
||||
var baiduResponse BaiduChatStreamResponse
|
||||
err := json.Unmarshal([]byte(data), &baiduResponse)
|
||||
if err != nil {
|
||||
common.SysError("error unmarshalling stream response: " + err.Error())
|
||||
return true
|
||||
}
|
||||
if baiduResponse.Usage.TotalTokens != 0 {
|
||||
usage.TotalTokens = baiduResponse.Usage.TotalTokens
|
||||
usage.PromptTokens = baiduResponse.Usage.PromptTokens
|
||||
usage.CompletionTokens = baiduResponse.Usage.TotalTokens - baiduResponse.Usage.PromptTokens
|
||||
}
|
||||
response := streamResponseBaidu2OpenAI(&baiduResponse)
|
||||
jsonResponse, err := json.Marshal(response)
|
||||
if err != nil {
|
||||
common.SysError("error marshalling stream response: " + err.Error())
|
||||
return true
|
||||
}
|
||||
c.Render(-1, common.CustomEvent{Data: "data: " + string(jsonResponse)})
|
||||
return true
|
||||
case <-stopChan:
|
||||
c.Render(-1, common.CustomEvent{Data: "data: [DONE]"})
|
||||
return false
|
||||
}
|
||||
})
|
||||
err := resp.Body.Close()
|
||||
if err != nil {
|
||||
return service.OpenAIErrorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), nil
|
||||
}
|
||||
return nil, &usage
|
||||
}
|
||||
|
||||
func baiduHandler(c *gin.Context, resp *http.Response) (*dto.OpenAIErrorWithStatusCode, *dto.Usage) {
|
||||
var baiduResponse BaiduChatResponse
|
||||
responseBody, err := io.ReadAll(resp.Body)
|
||||
if err != nil {
|
||||
return service.OpenAIErrorWrapper(err, "read_response_body_failed", http.StatusInternalServerError), nil
|
||||
}
|
||||
err = resp.Body.Close()
|
||||
if err != nil {
|
||||
return service.OpenAIErrorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), nil
|
||||
}
|
||||
err = json.Unmarshal(responseBody, &baiduResponse)
|
||||
if err != nil {
|
||||
return service.OpenAIErrorWrapper(err, "unmarshal_response_body_failed", http.StatusInternalServerError), nil
|
||||
}
|
||||
if baiduResponse.ErrorMsg != "" {
|
||||
return &dto.OpenAIErrorWithStatusCode{
|
||||
OpenAIError: dto.OpenAIError{
|
||||
Message: baiduResponse.ErrorMsg,
|
||||
Type: "baidu_error",
|
||||
Param: "",
|
||||
Code: baiduResponse.ErrorCode,
|
||||
},
|
||||
StatusCode: resp.StatusCode,
|
||||
}, nil
|
||||
}
|
||||
fullTextResponse := responseBaidu2OpenAI(&baiduResponse)
|
||||
jsonResponse, err := json.Marshal(fullTextResponse)
|
||||
if err != nil {
|
||||
return service.OpenAIErrorWrapper(err, "marshal_response_body_failed", http.StatusInternalServerError), nil
|
||||
}
|
||||
c.Writer.Header().Set("Content-Type", "application/json")
|
||||
c.Writer.WriteHeader(resp.StatusCode)
|
||||
_, err = c.Writer.Write(jsonResponse)
|
||||
return nil, &fullTextResponse.Usage
|
||||
}
|
||||
|
||||
func baiduEmbeddingHandler(c *gin.Context, resp *http.Response) (*dto.OpenAIErrorWithStatusCode, *dto.Usage) {
|
||||
var baiduResponse BaiduEmbeddingResponse
|
||||
responseBody, err := io.ReadAll(resp.Body)
|
||||
if err != nil {
|
||||
return service.OpenAIErrorWrapper(err, "read_response_body_failed", http.StatusInternalServerError), nil
|
||||
}
|
||||
err = resp.Body.Close()
|
||||
if err != nil {
|
||||
return service.OpenAIErrorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), nil
|
||||
}
|
||||
err = json.Unmarshal(responseBody, &baiduResponse)
|
||||
if err != nil {
|
||||
return service.OpenAIErrorWrapper(err, "unmarshal_response_body_failed", http.StatusInternalServerError), nil
|
||||
}
|
||||
if baiduResponse.ErrorMsg != "" {
|
||||
return &dto.OpenAIErrorWithStatusCode{
|
||||
OpenAIError: dto.OpenAIError{
|
||||
Message: baiduResponse.ErrorMsg,
|
||||
Type: "baidu_error",
|
||||
Param: "",
|
||||
Code: baiduResponse.ErrorCode,
|
||||
},
|
||||
StatusCode: resp.StatusCode,
|
||||
}, nil
|
||||
}
|
||||
fullTextResponse := embeddingResponseBaidu2OpenAI(&baiduResponse)
|
||||
jsonResponse, err := json.Marshal(fullTextResponse)
|
||||
if err != nil {
|
||||
return service.OpenAIErrorWrapper(err, "marshal_response_body_failed", http.StatusInternalServerError), nil
|
||||
}
|
||||
c.Writer.Header().Set("Content-Type", "application/json")
|
||||
c.Writer.WriteHeader(resp.StatusCode)
|
||||
_, err = c.Writer.Write(jsonResponse)
|
||||
return nil, &fullTextResponse.Usage
|
||||
}
|
||||
|
||||
func getBaiduAccessToken(apiKey string) (string, error) {
|
||||
if val, ok := baiduTokenStore.Load(apiKey); ok {
|
||||
var accessToken BaiduAccessToken
|
||||
if accessToken, ok = val.(BaiduAccessToken); ok {
|
||||
// soon this will expire
|
||||
if time.Now().Add(time.Hour).After(accessToken.ExpiresAt) {
|
||||
go func() {
|
||||
_, _ = getBaiduAccessTokenHelper(apiKey)
|
||||
}()
|
||||
}
|
||||
return accessToken.AccessToken, nil
|
||||
}
|
||||
}
|
||||
accessToken, err := getBaiduAccessTokenHelper(apiKey)
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
if accessToken == nil {
|
||||
return "", errors.New("getBaiduAccessToken return a nil token")
|
||||
}
|
||||
return (*accessToken).AccessToken, nil
|
||||
}
|
||||
|
||||
func getBaiduAccessTokenHelper(apiKey string) (*BaiduAccessToken, error) {
|
||||
parts := strings.Split(apiKey, "|")
|
||||
if len(parts) != 2 {
|
||||
return nil, errors.New("invalid baidu apikey")
|
||||
}
|
||||
req, err := http.NewRequest("POST", fmt.Sprintf("https://aip.baidubce.com/oauth/2.0/token?grant_type=client_credentials&client_id=%s&client_secret=%s",
|
||||
parts[0], parts[1]), nil)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
req.Header.Add("Content-Type", "application/json")
|
||||
req.Header.Add("Accept", "application/json")
|
||||
res, err := service.GetImpatientHttpClient().Do(req)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
defer res.Body.Close()
|
||||
|
||||
var accessToken BaiduAccessToken
|
||||
err = json.NewDecoder(res.Body).Decode(&accessToken)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if accessToken.Error != "" {
|
||||
return nil, errors.New(accessToken.Error + ": " + accessToken.ErrorDescription)
|
||||
}
|
||||
if accessToken.AccessToken == "" {
|
||||
return nil, errors.New("getBaiduAccessTokenHelper get empty access token")
|
||||
}
|
||||
accessToken.ExpiresAt = time.Now().Add(time.Duration(accessToken.ExpiresIn) * time.Second)
|
||||
baiduTokenStore.Store(apiKey, accessToken)
|
||||
return &accessToken, nil
|
||||
}
|
||||
Reference in New Issue
Block a user