Files
CLIProxyAPI/internal/api/handlers/gemini/cli/cli_handlers.go
2025-08-21 15:22:53 +08:00

918 lines
28 KiB
Go

// Package cli provides HTTP handlers for Gemini CLI API functionality.
// This package implements handlers that process CLI-specific requests for Gemini API operations,
// including content generation and streaming content generation endpoints.
// The handlers restrict access to localhost only and manage communication with the backend service.
package cli
import (
"bytes"
"context"
"fmt"
"io"
"net/http"
"strings"
"time"
"github.com/gin-gonic/gin"
"github.com/luispater/CLIProxyAPI/internal/api/handlers"
"github.com/luispater/CLIProxyAPI/internal/client"
translatorGeminiToClaude "github.com/luispater/CLIProxyAPI/internal/translator/claude/gemini"
translatorGeminiToCodex "github.com/luispater/CLIProxyAPI/internal/translator/codex/gemini"
translatorGeminiToQwen "github.com/luispater/CLIProxyAPI/internal/translator/openai/gemini"
"github.com/luispater/CLIProxyAPI/internal/util"
log "github.com/sirupsen/logrus"
"github.com/tidwall/gjson"
"github.com/tidwall/sjson"
)
// GeminiCLIAPIHandlers contains the handlers for Gemini CLI API endpoints.
// It holds a pool of clients to interact with the backend service.
type GeminiCLIAPIHandlers struct {
*handlers.APIHandlers
}
// NewGeminiCLIAPIHandlers creates a new Gemini CLI API handlers instance.
// It takes an APIHandlers instance as input and returns a GeminiCLIAPIHandlers.
func NewGeminiCLIAPIHandlers(apiHandlers *handlers.APIHandlers) *GeminiCLIAPIHandlers {
return &GeminiCLIAPIHandlers{
APIHandlers: apiHandlers,
}
}
// CLIHandler handles CLI-specific requests for Gemini API operations.
// It restricts access to localhost only and routes requests to appropriate internal handlers.
func (h *GeminiCLIAPIHandlers) CLIHandler(c *gin.Context) {
if !strings.HasPrefix(c.Request.RemoteAddr, "127.0.0.1:") {
c.JSON(http.StatusForbidden, handlers.ErrorResponse{
Error: handlers.ErrorDetail{
Message: "CLI reply only allow local access",
Type: "forbidden",
},
})
return
}
rawJSON, _ := c.GetRawData()
requestRawURI := c.Request.URL.Path
modelName := gjson.GetBytes(rawJSON, "model")
provider := util.GetProviderName(modelName.String())
if requestRawURI == "/v1internal:generateContent" {
if provider == "gemini" || provider == "unknow" {
h.handleInternalGenerateContent(c, rawJSON)
} else if provider == "gpt" {
h.handleCodexInternalGenerateContent(c, rawJSON)
} else if provider == "claude" {
h.handleClaudeInternalGenerateContent(c, rawJSON)
} else if provider == "qwen" {
h.handleQwenInternalGenerateContent(c, rawJSON)
}
} else if requestRawURI == "/v1internal:streamGenerateContent" {
if provider == "gemini" || provider == "unknow" {
h.handleInternalStreamGenerateContent(c, rawJSON)
} else if provider == "gpt" {
h.handleCodexInternalStreamGenerateContent(c, rawJSON)
} else if provider == "claude" {
h.handleClaudeInternalStreamGenerateContent(c, rawJSON)
} else if provider == "qwen" {
h.handleQwenInternalStreamGenerateContent(c, rawJSON)
}
} else {
reqBody := bytes.NewBuffer(rawJSON)
req, err := http.NewRequest("POST", fmt.Sprintf("https://cloudcode-pa.googleapis.com%s", c.Request.URL.RequestURI()), reqBody)
if err != nil {
c.JSON(http.StatusBadRequest, handlers.ErrorResponse{
Error: handlers.ErrorDetail{
Message: fmt.Sprintf("Invalid request: %v", err),
Type: "invalid_request_error",
},
})
return
}
for key, value := range c.Request.Header {
req.Header[key] = value
}
httpClient := util.SetProxy(h.Cfg, &http.Client{})
resp, err := httpClient.Do(req)
if err != nil {
c.JSON(http.StatusBadRequest, handlers.ErrorResponse{
Error: handlers.ErrorDetail{
Message: fmt.Sprintf("Invalid request: %v", err),
Type: "invalid_request_error",
},
})
return
}
if resp.StatusCode < 200 || resp.StatusCode >= 300 {
defer func() {
if err = resp.Body.Close(); err != nil {
log.Printf("warn: failed to close response body: %v", err)
}
}()
bodyBytes, _ := io.ReadAll(resp.Body)
c.JSON(http.StatusBadRequest, handlers.ErrorResponse{
Error: handlers.ErrorDetail{
Message: string(bodyBytes),
Type: "invalid_request_error",
},
})
return
}
defer func() {
_ = resp.Body.Close()
}()
for key, value := range resp.Header {
c.Header(key, value[0])
}
output, err := io.ReadAll(resp.Body)
if err != nil {
log.Errorf("Failed to read response body: %v", err)
return
}
_, _ = c.Writer.Write(output)
c.Set("API_RESPONSE", output)
}
}
func (h *GeminiCLIAPIHandlers) handleInternalStreamGenerateContent(c *gin.Context, rawJSON []byte) {
alt := h.GetAlt(c)
if alt == "" {
c.Header("Content-Type", "text/event-stream")
c.Header("Cache-Control", "no-cache")
c.Header("Connection", "keep-alive")
c.Header("Access-Control-Allow-Origin", "*")
}
// Get the http.Flusher interface to manually flush the response.
flusher, ok := c.Writer.(http.Flusher)
if !ok {
c.JSON(http.StatusInternalServerError, handlers.ErrorResponse{
Error: handlers.ErrorDetail{
Message: "Streaming not supported",
Type: "server_error",
},
})
return
}
modelResult := gjson.GetBytes(rawJSON, "model")
modelName := modelResult.String()
cliCtx, cliCancel := h.GetContextWithCancel(c, context.Background())
var cliClient client.Client
defer func() {
// Ensure the client's mutex is unlocked on function exit.
if cliClient != nil {
cliClient.GetRequestMutex().Unlock()
}
}()
outLoop:
for {
var errorResponse *client.ErrorMessage
cliClient, errorResponse = h.GetClient(modelName)
if errorResponse != nil {
c.Status(errorResponse.StatusCode)
_, _ = fmt.Fprint(c.Writer, errorResponse.Error.Error())
flusher.Flush()
cliCancel()
return
}
if glAPIKey := cliClient.(*client.GeminiClient).GetGenerativeLanguageAPIKey(); glAPIKey != "" {
log.Debugf("Request use generative language API Key: %s", glAPIKey)
} else {
log.Debugf("Request cli use account: %s, project id: %s", cliClient.(*client.GeminiClient).GetEmail(), cliClient.(*client.GeminiClient).GetProjectID())
}
// Send the message and receive response chunks and errors via channels.
respChan, errChan := cliClient.SendRawMessageStream(cliCtx, rawJSON, "")
hasFirstResponse := false
for {
select {
// Handle client disconnection.
case <-c.Request.Context().Done():
if c.Request.Context().Err().Error() == "context canceled" {
log.Debugf("GeminiClient disconnected: %v", c.Request.Context().Err())
cliCancel() // Cancel the backend request.
return
}
// Process incoming response chunks.
case chunk, okStream := <-respChan:
if !okStream {
cliCancel()
return
}
h.AddAPIResponseData(c, chunk)
h.AddAPIResponseData(c, []byte("\n\n"))
hasFirstResponse = true
if cliClient.(*client.GeminiClient).GetGenerativeLanguageAPIKey() != "" {
chunk, _ = sjson.SetRawBytes(chunk, "response", chunk)
}
_, _ = c.Writer.Write([]byte("data: "))
_, _ = c.Writer.Write(chunk)
_, _ = c.Writer.Write([]byte("\n\n"))
flusher.Flush()
// Handle errors from the backend.
case err, okError := <-errChan:
if okError {
if err.StatusCode == 429 && h.Cfg.QuotaExceeded.SwitchProject {
continue outLoop
} else {
c.Status(err.StatusCode)
_, _ = fmt.Fprint(c.Writer, err.Error.Error())
flusher.Flush()
cliCancel(err.Error)
}
return
}
// Send a keep-alive signal to the client.
case <-time.After(500 * time.Millisecond):
if hasFirstResponse {
_, _ = c.Writer.Write([]byte("\n"))
flusher.Flush()
}
}
}
}
}
func (h *GeminiCLIAPIHandlers) handleInternalGenerateContent(c *gin.Context, rawJSON []byte) {
c.Header("Content-Type", "application/json")
// log.Debugf("GenerateContent: %s", string(rawJSON))
modelResult := gjson.GetBytes(rawJSON, "model")
modelName := modelResult.String()
cliCtx, cliCancel := h.GetContextWithCancel(c, context.Background())
var cliClient client.Client
defer func() {
if cliClient != nil {
cliClient.GetRequestMutex().Unlock()
}
}()
for {
var errorResponse *client.ErrorMessage
cliClient, errorResponse = h.GetClient(modelName)
if errorResponse != nil {
c.Status(errorResponse.StatusCode)
_, _ = fmt.Fprint(c.Writer, errorResponse.Error.Error())
cliCancel()
return
}
if glAPIKey := cliClient.(*client.GeminiClient).GetGenerativeLanguageAPIKey(); glAPIKey != "" {
log.Debugf("Request use generative language API Key: %s", glAPIKey)
} else {
log.Debugf("Request cli use account: %s, project id: %s", cliClient.(*client.GeminiClient).GetEmail(), cliClient.(*client.GeminiClient).GetProjectID())
}
resp, err := cliClient.SendRawMessage(cliCtx, rawJSON, "")
if err != nil {
if err.StatusCode == 429 && h.Cfg.QuotaExceeded.SwitchProject {
continue
} else {
c.Status(err.StatusCode)
_, _ = c.Writer.Write([]byte(err.Error.Error()))
// log.Debugf("code: %d, error: %s", err.StatusCode, err.Error.Error())
cliCancel(err.Error)
}
break
} else {
_, _ = c.Writer.Write(resp)
cliCancel(resp)
break
}
}
}
func (h *GeminiCLIAPIHandlers) handleCodexInternalStreamGenerateContent(c *gin.Context, rawJSON []byte) {
c.Header("Content-Type", "text/event-stream")
c.Header("Cache-Control", "no-cache")
c.Header("Connection", "keep-alive")
c.Header("Access-Control-Allow-Origin", "*")
// Get the http.Flusher interface to manually flush the response.
flusher, ok := c.Writer.(http.Flusher)
if !ok {
c.JSON(http.StatusInternalServerError, handlers.ErrorResponse{
Error: handlers.ErrorDetail{
Message: "Streaming not supported",
Type: "server_error",
},
})
return
}
modelResult := gjson.GetBytes(rawJSON, "model")
rawJSON = []byte(gjson.GetBytes(rawJSON, "request").Raw)
rawJSON, _ = sjson.SetBytes(rawJSON, "model", modelResult.String())
rawJSON, _ = sjson.SetRawBytes(rawJSON, "system_instruction", []byte(gjson.GetBytes(rawJSON, "systemInstruction").Raw))
rawJSON, _ = sjson.DeleteBytes(rawJSON, "systemInstruction")
// log.Debugf("Request: %s", string(rawJSON))
// return
// Prepare the request for the backend client.
newRequestJSON := translatorGeminiToCodex.ConvertGeminiRequestToCodex(rawJSON)
// log.Debugf("Request: %s", newRequestJSON)
modelName := gjson.GetBytes(rawJSON, "model")
cliCtx, cliCancel := h.GetContextWithCancel(c, context.Background())
var cliClient client.Client
defer func() {
// Ensure the client's mutex is unlocked on function exit.
if cliClient != nil {
cliClient.GetRequestMutex().Unlock()
}
}()
outLoop:
for {
var errorResponse *client.ErrorMessage
cliClient, errorResponse = h.GetClient(modelName.String())
if errorResponse != nil {
c.Status(errorResponse.StatusCode)
_, _ = fmt.Fprint(c.Writer, errorResponse.Error.Error())
flusher.Flush()
cliCancel()
return
}
log.Debugf("Request codex use account: %s", cliClient.GetEmail())
// Send the message and receive response chunks and errors via channels.
respChan, errChan := cliClient.SendRawMessageStream(cliCtx, []byte(newRequestJSON), "")
params := &translatorGeminiToCodex.ConvertCodexResponseToGeminiParams{
Model: modelName.String(),
CreatedAt: 0,
ResponseID: "",
LastStorageOutput: "",
}
for {
select {
// Handle client disconnection.
case <-c.Request.Context().Done():
if c.Request.Context().Err().Error() == "context canceled" {
log.Debugf("CodexClient disconnected: %v", c.Request.Context().Err())
cliCancel() // Cancel the backend request.
return
}
// Process incoming response chunks.
case chunk, okStream := <-respChan:
if !okStream {
cliCancel()
return
}
// _, _ = logFile.Write(chunk)
// _, _ = logFile.Write([]byte("\n"))
h.AddAPIResponseData(c, chunk)
h.AddAPIResponseData(c, []byte("\n\n"))
if bytes.HasPrefix(chunk, []byte("data: ")) {
jsonData := chunk[6:]
data := gjson.ParseBytes(jsonData)
typeResult := data.Get("type")
if typeResult.String() != "" {
outputs := translatorGeminiToCodex.ConvertCodexResponseToGemini(jsonData, params)
if len(outputs) > 0 {
for i := 0; i < len(outputs); i++ {
outputs[i], _ = sjson.SetRaw("{}", "response", outputs[i])
_, _ = c.Writer.Write([]byte("data: "))
_, _ = c.Writer.Write([]byte(outputs[i]))
_, _ = c.Writer.Write([]byte("\n\n"))
}
}
}
}
flusher.Flush()
// Handle errors from the backend.
case errMessage, okError := <-errChan:
if okError {
if errMessage.StatusCode == 429 && h.Cfg.QuotaExceeded.SwitchProject {
continue outLoop
} else {
// log.Debugf("code: %d, error: %s", errMessage.StatusCode, errMessage.Error.Error())
c.Status(errMessage.StatusCode)
_, _ = fmt.Fprint(c.Writer, errMessage.Error.Error())
flusher.Flush()
cliCancel(errMessage.Error)
}
return
}
// Send a keep-alive signal to the client.
case <-time.After(500 * time.Millisecond):
}
}
}
}
func (h *GeminiCLIAPIHandlers) handleCodexInternalGenerateContent(c *gin.Context, rawJSON []byte) {
c.Header("Content-Type", "application/json")
// orgRawJSON := rawJSON
modelResult := gjson.GetBytes(rawJSON, "model")
rawJSON = []byte(gjson.GetBytes(rawJSON, "request").Raw)
rawJSON, _ = sjson.SetBytes(rawJSON, "model", modelResult.String())
rawJSON, _ = sjson.SetRawBytes(rawJSON, "system_instruction", []byte(gjson.GetBytes(rawJSON, "systemInstruction").Raw))
rawJSON, _ = sjson.DeleteBytes(rawJSON, "systemInstruction")
// Prepare the request for the backend client.
newRequestJSON := translatorGeminiToCodex.ConvertGeminiRequestToCodex(rawJSON)
// log.Debugf("Request: %s", newRequestJSON)
modelName := gjson.GetBytes(rawJSON, "model")
cliCtx, cliCancel := h.GetContextWithCancel(c, context.Background())
var cliClient client.Client
defer func() {
// Ensure the client's mutex is unlocked on function exit.
if cliClient != nil {
cliClient.GetRequestMutex().Unlock()
}
}()
outLoop:
for {
var errorResponse *client.ErrorMessage
cliClient, errorResponse = h.GetClient(modelName.String())
if errorResponse != nil {
c.Status(errorResponse.StatusCode)
_, _ = fmt.Fprint(c.Writer, errorResponse.Error.Error())
cliCancel()
return
}
log.Debugf("Request codex use account: %s", cliClient.GetEmail())
// Send the message and receive response chunks and errors via channels.
respChan, errChan := cliClient.SendRawMessageStream(cliCtx, []byte(newRequestJSON), "")
for {
select {
// Handle client disconnection.
case <-c.Request.Context().Done():
if c.Request.Context().Err().Error() == "context canceled" {
log.Debugf("CodexClient disconnected: %v", c.Request.Context().Err())
cliCancel() // Cancel the backend request.
return
}
// Process incoming response chunks.
case chunk, okStream := <-respChan:
if !okStream {
cliCancel()
return
}
h.AddAPIResponseData(c, chunk)
h.AddAPIResponseData(c, []byte("\n\n"))
if bytes.HasPrefix(chunk, []byte("data: ")) {
jsonData := chunk[6:]
data := gjson.ParseBytes(jsonData)
typeResult := data.Get("type")
if typeResult.String() != "" {
var geminiStr string
geminiStr = translatorGeminiToCodex.ConvertCodexResponseToGeminiNonStream(jsonData, modelName.String())
if geminiStr != "" {
_, _ = c.Writer.Write([]byte(geminiStr))
}
}
}
// Handle errors from the backend.
case err, okError := <-errChan:
if okError {
if err.StatusCode == 429 && h.Cfg.QuotaExceeded.SwitchProject {
continue outLoop
} else {
c.Status(err.StatusCode)
_, _ = fmt.Fprint(c.Writer, err.Error.Error())
// log.Debugf("org: %s", string(orgRawJSON))
// log.Debugf("raw: %s", string(rawJSON))
// log.Debugf("newRequestJSON: %s", newRequestJSON)
cliCancel(err.Error)
}
return
}
// Send a keep-alive signal to the client.
case <-time.After(500 * time.Millisecond):
}
}
}
}
func (h *GeminiCLIAPIHandlers) handleClaudeInternalStreamGenerateContent(c *gin.Context, rawJSON []byte) {
c.Header("Content-Type", "text/event-stream")
c.Header("Cache-Control", "no-cache")
c.Header("Connection", "keep-alive")
c.Header("Access-Control-Allow-Origin", "*")
// Get the http.Flusher interface to manually flush the response.
flusher, ok := c.Writer.(http.Flusher)
if !ok {
c.JSON(http.StatusInternalServerError, handlers.ErrorResponse{
Error: handlers.ErrorDetail{
Message: "Streaming not supported",
Type: "server_error",
},
})
return
}
modelResult := gjson.GetBytes(rawJSON, "model")
rawJSON = []byte(gjson.GetBytes(rawJSON, "request").Raw)
rawJSON, _ = sjson.SetBytes(rawJSON, "model", modelResult.String())
rawJSON, _ = sjson.SetRawBytes(rawJSON, "system_instruction", []byte(gjson.GetBytes(rawJSON, "systemInstruction").Raw))
rawJSON, _ = sjson.DeleteBytes(rawJSON, "systemInstruction")
// Prepare the request for the backend client.
newRequestJSON := translatorGeminiToClaude.ConvertGeminiRequestToAnthropic(rawJSON)
newRequestJSON, _ = sjson.Set(newRequestJSON, "stream", true)
modelName := gjson.GetBytes(rawJSON, "model")
cliCtx, cliCancel := h.GetContextWithCancel(c, context.Background())
var cliClient client.Client
defer func() {
// Ensure the client's mutex is unlocked on function exit.
if cliClient != nil {
cliClient.GetRequestMutex().Unlock()
}
}()
outLoop:
for {
var errorResponse *client.ErrorMessage
cliClient, errorResponse = h.GetClient(modelName.String())
if errorResponse != nil {
c.Status(errorResponse.StatusCode)
_, _ = fmt.Fprint(c.Writer, errorResponse.Error.Error())
flusher.Flush()
cliCancel()
return
}
if apiKey := cliClient.(*client.ClaudeClient).GetAPIKey(); apiKey != "" {
log.Debugf("Request claude use API Key: %s", apiKey)
} else {
log.Debugf("Request claude use account: %s", cliClient.(*client.ClaudeClient).GetEmail())
}
// Send the message and receive response chunks and errors via channels.
respChan, errChan := cliClient.SendRawMessageStream(cliCtx, []byte(newRequestJSON), "")
params := &translatorGeminiToClaude.ConvertAnthropicResponseToGeminiParams{
Model: modelName.String(),
CreatedAt: 0,
ResponseID: "",
}
for {
select {
// Handle client disconnection.
case <-c.Request.Context().Done():
if c.Request.Context().Err().Error() == "context canceled" {
log.Debugf("CodexClient disconnected: %v", c.Request.Context().Err())
cliCancel() // Cancel the backend request.
return
}
// Process incoming response chunks.
case chunk, okStream := <-respChan:
if !okStream {
cliCancel()
return
}
h.AddAPIResponseData(c, chunk)
h.AddAPIResponseData(c, []byte("\n\n"))
if bytes.HasPrefix(chunk, []byte("data: ")) {
jsonData := chunk[6:]
data := gjson.ParseBytes(jsonData)
typeResult := data.Get("type")
if typeResult.String() != "" {
// log.Debugf(string(jsonData))
outputs := translatorGeminiToClaude.ConvertAnthropicResponseToGemini(jsonData, params)
if len(outputs) > 0 {
for i := 0; i < len(outputs); i++ {
outputs[i], _ = sjson.SetRaw("{}", "response", outputs[i])
_, _ = c.Writer.Write([]byte("data: "))
_, _ = c.Writer.Write([]byte(outputs[i]))
_, _ = c.Writer.Write([]byte("\n\n"))
}
}
}
// log.Debugf(string(jsonData))
}
flusher.Flush()
// Handle errors from the backend.
case err, okError := <-errChan:
if okError {
if err.StatusCode == 429 && h.Cfg.QuotaExceeded.SwitchProject {
continue outLoop
} else {
c.Status(err.StatusCode)
_, _ = fmt.Fprint(c.Writer, err.Error.Error())
flusher.Flush()
cliCancel(err.Error)
}
return
}
// Send a keep-alive signal to the client.
case <-time.After(500 * time.Millisecond):
}
}
}
}
func (h *GeminiCLIAPIHandlers) handleClaudeInternalGenerateContent(c *gin.Context, rawJSON []byte) {
c.Header("Content-Type", "application/json")
modelResult := gjson.GetBytes(rawJSON, "model")
rawJSON = []byte(gjson.GetBytes(rawJSON, "request").Raw)
rawJSON, _ = sjson.SetBytes(rawJSON, "model", modelResult.String())
rawJSON, _ = sjson.SetRawBytes(rawJSON, "system_instruction", []byte(gjson.GetBytes(rawJSON, "systemInstruction").Raw))
rawJSON, _ = sjson.DeleteBytes(rawJSON, "systemInstruction")
// Prepare the request for the backend client.
newRequestJSON := translatorGeminiToClaude.ConvertGeminiRequestToAnthropic(rawJSON)
// log.Debugf("Request: %s", newRequestJSON)
newRequestJSON, _ = sjson.Set(newRequestJSON, "stream", true)
modelName := gjson.GetBytes(rawJSON, "model")
cliCtx, cliCancel := h.GetContextWithCancel(c, context.Background())
var cliClient client.Client
defer func() {
// Ensure the client's mutex is unlocked on function exit.
if cliClient != nil {
cliClient.GetRequestMutex().Unlock()
}
}()
outLoop:
for {
var errorResponse *client.ErrorMessage
cliClient, errorResponse = h.GetClient(modelName.String())
if errorResponse != nil {
c.Status(errorResponse.StatusCode)
_, _ = fmt.Fprint(c.Writer, errorResponse.Error.Error())
cliCancel()
return
}
if apiKey := cliClient.(*client.ClaudeClient).GetAPIKey(); apiKey != "" {
log.Debugf("Request claude use API Key: %s", apiKey)
} else {
log.Debugf("Request claude use account: %s", cliClient.(*client.ClaudeClient).GetEmail())
}
// Send the message and receive response chunks and errors via channels.
respChan, errChan := cliClient.SendRawMessageStream(cliCtx, []byte(newRequestJSON), "")
var allChunks [][]byte
for {
select {
// Handle client disconnection.
case <-c.Request.Context().Done():
if c.Request.Context().Err().Error() == "context canceled" {
log.Debugf("CodexClient disconnected: %v", c.Request.Context().Err())
cliCancel() // Cancel the backend request.
return
}
// Process incoming response chunks.
case chunk, okStream := <-respChan:
if !okStream {
if len(allChunks) > 0 {
// Use the last chunk which should contain the complete message
finalResponseStr := translatorGeminiToClaude.ConvertAnthropicResponseToGeminiNonStream(allChunks, modelName.String())
finalResponse := []byte(finalResponseStr)
_, _ = c.Writer.Write(finalResponse)
}
cliCancel()
return
}
// Store chunk for building final response
if bytes.HasPrefix(chunk, []byte("data: ")) {
jsonData := chunk[6:]
allChunks = append(allChunks, jsonData)
}
h.AddAPIResponseData(c, chunk)
h.AddAPIResponseData(c, []byte("\n\n"))
// Handle errors from the backend.
case err, okError := <-errChan:
if okError {
if err.StatusCode == 429 && h.Cfg.QuotaExceeded.SwitchProject {
continue outLoop
} else {
c.Status(err.StatusCode)
_, _ = fmt.Fprint(c.Writer, err.Error.Error())
cliCancel(err.Error)
}
return
}
// Send a keep-alive signal to the client.
case <-time.After(500 * time.Millisecond):
}
}
}
}
func (h *GeminiCLIAPIHandlers) handleQwenInternalStreamGenerateContent(c *gin.Context, rawJSON []byte) {
c.Header("Content-Type", "text/event-stream")
c.Header("Cache-Control", "no-cache")
c.Header("Connection", "keep-alive")
c.Header("Access-Control-Allow-Origin", "*")
// Get the http.Flusher interface to manually flush the response.
flusher, ok := c.Writer.(http.Flusher)
if !ok {
c.JSON(http.StatusInternalServerError, handlers.ErrorResponse{
Error: handlers.ErrorDetail{
Message: "Streaming not supported",
Type: "server_error",
},
})
return
}
modelResult := gjson.GetBytes(rawJSON, "model")
rawJSON = []byte(gjson.GetBytes(rawJSON, "request").Raw)
rawJSON, _ = sjson.SetBytes(rawJSON, "model", modelResult.String())
rawJSON, _ = sjson.SetRawBytes(rawJSON, "system_instruction", []byte(gjson.GetBytes(rawJSON, "systemInstruction").Raw))
rawJSON, _ = sjson.DeleteBytes(rawJSON, "systemInstruction")
// Prepare the request for the backend client.
newRequestJSON := translatorGeminiToQwen.ConvertGeminiRequestToOpenAI(rawJSON)
newRequestJSON, _ = sjson.Set(newRequestJSON, "stream", true)
// log.Debugf("Request: %s", string(rawJSON))
// return
modelName := gjson.GetBytes(rawJSON, "model")
cliCtx, cliCancel := h.GetContextWithCancel(c, context.Background())
var cliClient client.Client
defer func() {
// Ensure the client's mutex is unlocked on function exit.
if cliClient != nil {
cliClient.GetRequestMutex().Unlock()
}
}()
outLoop:
for {
var errorResponse *client.ErrorMessage
cliClient, errorResponse = h.GetClient(modelName.String())
if errorResponse != nil {
c.Status(errorResponse.StatusCode)
_, _ = fmt.Fprint(c.Writer, errorResponse.Error.Error())
flusher.Flush()
cliCancel()
return
}
log.Debugf("Request qwen use account: %s", cliClient.(*client.QwenClient).GetEmail())
// Send the message and receive response chunks and errors via channels.
respChan, errChan := cliClient.SendRawMessageStream(cliCtx, []byte(newRequestJSON), "")
params := &translatorGeminiToQwen.ConvertOpenAIResponseToGeminiParams{
ToolCallsAccumulator: nil,
ContentAccumulator: strings.Builder{},
IsFirstChunk: false,
}
for {
select {
// Handle client disconnection.
case <-c.Request.Context().Done():
if c.Request.Context().Err().Error() == "context canceled" {
log.Debugf("CodexClient disconnected: %v", c.Request.Context().Err())
cliCancel() // Cancel the backend request.
return
}
// Process incoming response chunks.
case chunk, okStream := <-respChan:
if !okStream {
cliCancel()
return
}
h.AddAPIResponseData(c, chunk)
h.AddAPIResponseData(c, []byte("\n\n"))
if bytes.HasPrefix(chunk, []byte("data: ")) {
jsonData := chunk[6:]
// log.Debugf(string(jsonData))
outputs := translatorGeminiToQwen.ConvertOpenAIResponseToGemini(jsonData, params)
if len(outputs) > 0 {
for i := 0; i < len(outputs); i++ {
outputs[i], _ = sjson.SetRaw("{}", "response", outputs[i])
_, _ = c.Writer.Write([]byte("data: "))
_, _ = c.Writer.Write([]byte(outputs[i]))
_, _ = c.Writer.Write([]byte("\n\n"))
}
}
// log.Debugf(string(jsonData))
}
flusher.Flush()
// Handle errors from the backend.
case err, okError := <-errChan:
if okError {
if err.StatusCode == 429 && h.Cfg.QuotaExceeded.SwitchProject {
continue outLoop
} else {
c.Status(err.StatusCode)
_, _ = fmt.Fprint(c.Writer, err.Error.Error())
flusher.Flush()
cliCancel(err.Error)
}
return
}
// Send a keep-alive signal to the client.
case <-time.After(500 * time.Millisecond):
}
}
}
}
func (h *GeminiCLIAPIHandlers) handleQwenInternalGenerateContent(c *gin.Context, rawJSON []byte) {
c.Header("Content-Type", "application/json")
modelResult := gjson.GetBytes(rawJSON, "model")
rawJSON = []byte(gjson.GetBytes(rawJSON, "request").Raw)
rawJSON, _ = sjson.SetBytes(rawJSON, "model", modelResult.String())
rawJSON, _ = sjson.SetRawBytes(rawJSON, "system_instruction", []byte(gjson.GetBytes(rawJSON, "systemInstruction").Raw))
rawJSON, _ = sjson.DeleteBytes(rawJSON, "systemInstruction")
// Prepare the request for the backend client.
newRequestJSON := translatorGeminiToQwen.ConvertGeminiRequestToOpenAI(rawJSON)
// log.Debugf("Request: %s", newRequestJSON)
modelName := gjson.GetBytes(rawJSON, "model")
cliCtx, cliCancel := h.GetContextWithCancel(c, context.Background())
var cliClient client.Client
defer func() {
if cliClient != nil {
cliClient.GetRequestMutex().Unlock()
}
}()
for {
var errorResponse *client.ErrorMessage
cliClient, errorResponse = h.GetClient(modelName.String())
if errorResponse != nil {
c.Status(errorResponse.StatusCode)
_, _ = fmt.Fprint(c.Writer, errorResponse.Error.Error())
cliCancel()
return
}
log.Debugf("Request use qwen account: %s", cliClient.GetEmail())
resp, err := cliClient.SendRawMessage(cliCtx, []byte(newRequestJSON), "")
if err != nil {
if err.StatusCode == 429 && h.Cfg.QuotaExceeded.SwitchProject {
continue
} else {
c.Status(err.StatusCode)
_, _ = c.Writer.Write([]byte(err.Error.Error()))
cliCancel(err.Error)
}
break
} else {
h.AddAPIResponseData(c, resp)
h.AddAPIResponseData(c, []byte("\n"))
newResp := translatorGeminiToQwen.ConvertOpenAINonStreamResponseToGemini(resp)
_, _ = c.Writer.Write([]byte(newResp))
cliCancel(resp)
break
}
}
}