remove all
This commit is contained in:
Luis Pater
@@ -1,382 +0,0 @@
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// Package executor provides runtime execution capabilities for various AI service providers.
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// It includes stateless executors that handle API requests, streaming responses,
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// token counting, and authentication refresh for different AI service providers.
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package executor
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import (
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"bufio"
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"bytes"
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"context"
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"fmt"
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"io"
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"net/http"
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"time"
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"github.com/router-for-me/CLIProxyAPI/v6/internal/config"
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"github.com/router-for-me/CLIProxyAPI/v6/internal/util"
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cliproxyauth "github.com/router-for-me/CLIProxyAPI/v6/sdk/cliproxy/auth"
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cliproxyexecutor "github.com/router-for-me/CLIProxyAPI/v6/sdk/cliproxy/executor"
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sdktranslator "github.com/router-for-me/CLIProxyAPI/v6/sdk/translator"
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log "github.com/sirupsen/logrus"
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"github.com/tidwall/gjson"
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"github.com/tidwall/sjson"
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"golang.org/x/oauth2"
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"golang.org/x/oauth2/google"
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)
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const (
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// glEndpoint is the base URL for the Google Generative Language API.
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glEndpoint = "https://generativelanguage.googleapis.com"
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// glAPIVersion is the API version used for Gemini requests.
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glAPIVersion = "v1beta"
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)
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// GeminiExecutor is a stateless executor for the official Gemini API using API keys.
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// It handles both API key and OAuth bearer token authentication, supporting both
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// regular and streaming requests to the Google Generative Language API.
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type GeminiExecutor struct {
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// cfg holds the application configuration.
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cfg *config.Config
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}
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// NewGeminiExecutor creates a new Gemini executor instance.
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//
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// Parameters:
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// - cfg: The application configuration
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//
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// Returns:
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// - *GeminiExecutor: A new Gemini executor instance
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func NewGeminiExecutor(cfg *config.Config) *GeminiExecutor { return &GeminiExecutor{cfg: cfg} }
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// Identifier returns the executor identifier for Gemini.
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func (e *GeminiExecutor) Identifier() string { return "gemini" }
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// PrepareRequest prepares the HTTP request for execution (no-op for Gemini).
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func (e *GeminiExecutor) PrepareRequest(_ *http.Request, _ *cliproxyauth.Auth) error { return nil }
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// Execute performs a non-streaming request to the Gemini API.
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// It translates the request to Gemini format, sends it to the API, and translates
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// the response back to the requested format.
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//
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// Parameters:
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// - ctx: The context for the request
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// - auth: The authentication information
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// - req: The request to execute
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// - opts: Additional execution options
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//
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// Returns:
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// - cliproxyexecutor.Response: The response from the API
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// - error: An error if the request fails
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func (e *GeminiExecutor) Execute(ctx context.Context, auth *cliproxyauth.Auth, req cliproxyexecutor.Request, opts cliproxyexecutor.Options) (cliproxyexecutor.Response, error) {
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apiKey, bearer := geminiCreds(auth)
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reporter := newUsageReporter(ctx, e.Identifier(), req.Model, auth)
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// Official Gemini API via API key or OAuth bearer
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from := opts.SourceFormat
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to := sdktranslator.FromString("gemini")
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body := sdktranslator.TranslateRequest(from, to, req.Model, bytes.Clone(req.Payload), false)
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action := "generateContent"
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if req.Metadata != nil {
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if a, _ := req.Metadata["action"].(string); a == "countTokens" {
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action = "countTokens"
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}
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}
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url := fmt.Sprintf("%s/%s/models/%s:%s", glEndpoint, glAPIVersion, req.Model, action)
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if opts.Alt != "" && action != "countTokens" {
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url = url + fmt.Sprintf("?$alt=%s", opts.Alt)
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}
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body, _ = sjson.DeleteBytes(body, "session_id")
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recordAPIRequest(ctx, e.cfg, body)
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httpReq, err := http.NewRequestWithContext(ctx, http.MethodPost, url, bytes.NewReader(body))
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if err != nil {
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return cliproxyexecutor.Response{}, err
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}
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httpReq.Header.Set("Content-Type", "application/json")
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if apiKey != "" {
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httpReq.Header.Set("x-goog-api-key", apiKey)
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} else if bearer != "" {
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httpReq.Header.Set("Authorization", "Bearer "+bearer)
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}
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httpClient := &http.Client{}
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if rt, ok := ctx.Value("cliproxy.roundtripper").(http.RoundTripper); ok && rt != nil {
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httpClient.Transport = rt
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}
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resp, err := httpClient.Do(httpReq)
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if err != nil {
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return cliproxyexecutor.Response{}, err
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}
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defer func() { _ = resp.Body.Close() }()
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if resp.StatusCode < 200 || resp.StatusCode >= 300 {
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b, _ := io.ReadAll(resp.Body)
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appendAPIResponseChunk(ctx, e.cfg, b)
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log.Debugf("request error, error status: %d, error body: %s", resp.StatusCode, string(b))
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return cliproxyexecutor.Response{}, statusErr{code: resp.StatusCode, msg: string(b)}
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}
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data, err := io.ReadAll(resp.Body)
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if err != nil {
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return cliproxyexecutor.Response{}, err
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}
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appendAPIResponseChunk(ctx, e.cfg, data)
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reporter.publish(ctx, parseGeminiUsage(data))
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var param any
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out := sdktranslator.TranslateNonStream(ctx, to, from, req.Model, bytes.Clone(opts.OriginalRequest), body, data, ¶m)
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return cliproxyexecutor.Response{Payload: []byte(out)}, nil
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}
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func (e *GeminiExecutor) ExecuteStream(ctx context.Context, auth *cliproxyauth.Auth, req cliproxyexecutor.Request, opts cliproxyexecutor.Options) (<-chan cliproxyexecutor.StreamChunk, error) {
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apiKey, bearer := geminiCreds(auth)
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reporter := newUsageReporter(ctx, e.Identifier(), req.Model, auth)
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from := opts.SourceFormat
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to := sdktranslator.FromString("gemini")
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body := sdktranslator.TranslateRequest(from, to, req.Model, bytes.Clone(req.Payload), true)
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url := fmt.Sprintf("%s/%s/models/%s:%s", glEndpoint, glAPIVersion, req.Model, "streamGenerateContent")
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if opts.Alt == "" {
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url = url + "?alt=sse"
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} else {
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url = url + fmt.Sprintf("?$alt=%s", opts.Alt)
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}
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body, _ = sjson.DeleteBytes(body, "session_id")
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recordAPIRequest(ctx, e.cfg, body)
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httpReq, err := http.NewRequestWithContext(ctx, http.MethodPost, url, bytes.NewReader(body))
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if err != nil {
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return nil, err
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}
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httpReq.Header.Set("Content-Type", "application/json")
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if apiKey != "" {
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httpReq.Header.Set("x-goog-api-key", apiKey)
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} else {
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httpReq.Header.Set("Authorization", "Bearer "+bearer)
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}
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httpClient := &http.Client{Timeout: 0}
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if rt, ok := ctx.Value("cliproxy.roundtripper").(http.RoundTripper); ok && rt != nil {
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httpClient.Transport = rt
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}
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resp, err := httpClient.Do(httpReq)
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if err != nil {
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return nil, err
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}
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if resp.StatusCode < 200 || resp.StatusCode >= 300 {
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defer func() { _ = resp.Body.Close() }()
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b, _ := io.ReadAll(resp.Body)
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appendAPIResponseChunk(ctx, e.cfg, b)
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log.Debugf("request error, error status: %d, error body: %s", resp.StatusCode, string(b))
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return nil, statusErr{code: resp.StatusCode, msg: string(b)}
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}
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out := make(chan cliproxyexecutor.StreamChunk)
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go func() {
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defer close(out)
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defer func() { _ = resp.Body.Close() }()
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scanner := bufio.NewScanner(resp.Body)
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buf := make([]byte, 1024*1024)
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scanner.Buffer(buf, 1024*1024)
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var param any
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for scanner.Scan() {
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line := scanner.Bytes()
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appendAPIResponseChunk(ctx, e.cfg, line)
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if detail, ok := parseGeminiStreamUsage(line); ok {
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reporter.publish(ctx, detail)
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}
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lines := sdktranslator.TranslateStream(ctx, to, from, req.Model, bytes.Clone(opts.OriginalRequest), body, bytes.Clone(line), ¶m)
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for i := range lines {
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out <- cliproxyexecutor.StreamChunk{Payload: []byte(lines[i])}
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}
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}
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lines := sdktranslator.TranslateStream(ctx, to, from, req.Model, bytes.Clone(opts.OriginalRequest), body, bytes.Clone([]byte("[DONE]")), ¶m)
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for i := range lines {
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out <- cliproxyexecutor.StreamChunk{Payload: []byte(lines[i])}
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}
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if err = scanner.Err(); err != nil {
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out <- cliproxyexecutor.StreamChunk{Err: err}
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}
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}()
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return out, nil
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}
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func (e *GeminiExecutor) CountTokens(ctx context.Context, auth *cliproxyauth.Auth, req cliproxyexecutor.Request, opts cliproxyexecutor.Options) (cliproxyexecutor.Response, error) {
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apiKey, bearer := geminiCreds(auth)
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from := opts.SourceFormat
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to := sdktranslator.FromString("gemini")
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translatedReq := sdktranslator.TranslateRequest(from, to, req.Model, bytes.Clone(req.Payload), false)
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respCtx := context.WithValue(ctx, "alt", opts.Alt)
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translatedReq, _ = sjson.DeleteBytes(translatedReq, "tools")
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translatedReq, _ = sjson.DeleteBytes(translatedReq, "generationConfig")
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url := fmt.Sprintf("%s/%s/models/%s:%s", glEndpoint, glAPIVersion, req.Model, "countTokens")
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recordAPIRequest(ctx, e.cfg, translatedReq)
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requestBody := bytes.NewReader(translatedReq)
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httpReq, err := http.NewRequestWithContext(ctx, http.MethodPost, url, requestBody)
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if err != nil {
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return cliproxyexecutor.Response{}, err
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}
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httpReq.Header.Set("Content-Type", "application/json")
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if apiKey != "" {
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httpReq.Header.Set("x-goog-api-key", apiKey)
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} else {
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httpReq.Header.Set("Authorization", "Bearer "+bearer)
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}
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httpClient := &http.Client{}
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if rt, ok := ctx.Value("cliproxy.roundtripper").(http.RoundTripper); ok && rt != nil {
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httpClient.Transport = rt
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}
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resp, err := httpClient.Do(httpReq)
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if err != nil {
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return cliproxyexecutor.Response{}, err
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}
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defer func() { _ = resp.Body.Close() }()
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data, err := io.ReadAll(resp.Body)
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if err != nil {
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return cliproxyexecutor.Response{}, err
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}
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appendAPIResponseChunk(ctx, e.cfg, data)
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if resp.StatusCode < 200 || resp.StatusCode >= 300 {
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log.Debugf("request error, error status: %d, error body: %s", resp.StatusCode, string(data))
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return cliproxyexecutor.Response{}, statusErr{code: resp.StatusCode, msg: string(data)}
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}
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count := gjson.GetBytes(data, "totalTokens").Int()
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translated := sdktranslator.TranslateTokenCount(respCtx, to, from, count, data)
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return cliproxyexecutor.Response{Payload: []byte(translated)}, nil
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}
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func (e *GeminiExecutor) Refresh(ctx context.Context, auth *cliproxyauth.Auth) (*cliproxyauth.Auth, error) {
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log.Debugf("gemini executor: refresh called")
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// OAuth bearer token refresh for official Gemini API.
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if auth == nil {
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return nil, fmt.Errorf("gemini executor: auth is nil")
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}
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if auth.Metadata == nil {
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return auth, nil
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}
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// Token data is typically nested under "token" map in Gemini files.
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tokenMap, _ := auth.Metadata["token"].(map[string]any)
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var refreshToken, accessToken, clientID, clientSecret, tokenURI, expiryStr string
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if tokenMap != nil {
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if v, ok := tokenMap["refresh_token"].(string); ok {
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refreshToken = v
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}
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if v, ok := tokenMap["access_token"].(string); ok {
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accessToken = v
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}
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if v, ok := tokenMap["client_id"].(string); ok {
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clientID = v
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}
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if v, ok := tokenMap["client_secret"].(string); ok {
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clientSecret = v
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}
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if v, ok := tokenMap["token_uri"].(string); ok {
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tokenURI = v
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}
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if v, ok := tokenMap["expiry"].(string); ok {
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expiryStr = v
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}
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} else {
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// Fallback to top-level keys if present
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if v, ok := auth.Metadata["refresh_token"].(string); ok {
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refreshToken = v
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}
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if v, ok := auth.Metadata["access_token"].(string); ok {
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accessToken = v
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}
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if v, ok := auth.Metadata["client_id"].(string); ok {
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clientID = v
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}
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if v, ok := auth.Metadata["client_secret"].(string); ok {
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clientSecret = v
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}
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if v, ok := auth.Metadata["token_uri"].(string); ok {
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tokenURI = v
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}
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if v, ok := auth.Metadata["expiry"].(string); ok {
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expiryStr = v
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}
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}
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if refreshToken == "" {
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// Nothing to do for API key or cookie based entries
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return auth, nil
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}
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// Prepare oauth2 config; default to Google endpoints
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endpoint := google.Endpoint
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if tokenURI != "" {
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endpoint.TokenURL = tokenURI
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}
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conf := &oauth2.Config{ClientID: clientID, ClientSecret: clientSecret, Endpoint: endpoint}
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// Ensure proxy-aware HTTP client for token refresh
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httpClient := util.SetProxy(e.cfg, &http.Client{})
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ctx = context.WithValue(ctx, oauth2.HTTPClient, httpClient)
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// Build base token
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tok := &oauth2.Token{AccessToken: accessToken, RefreshToken: refreshToken}
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if t, err := time.Parse(time.RFC3339, expiryStr); err == nil {
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tok.Expiry = t
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}
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newTok, err := conf.TokenSource(ctx, tok).Token()
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if err != nil {
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return nil, err
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}
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// Persist back to metadata; prefer nested token map if present
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if tokenMap == nil {
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tokenMap = make(map[string]any)
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}
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tokenMap["access_token"] = newTok.AccessToken
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tokenMap["refresh_token"] = newTok.RefreshToken
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tokenMap["expiry"] = newTok.Expiry.Format(time.RFC3339)
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if clientID != "" {
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tokenMap["client_id"] = clientID
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}
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if clientSecret != "" {
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tokenMap["client_secret"] = clientSecret
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}
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if tokenURI != "" {
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tokenMap["token_uri"] = tokenURI
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}
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auth.Metadata["token"] = tokenMap
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// Also mirror top-level access_token for compatibility if previously present
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if _, ok := auth.Metadata["access_token"]; ok {
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auth.Metadata["access_token"] = newTok.AccessToken
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}
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return auth, nil
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}
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func geminiCreds(a *cliproxyauth.Auth) (apiKey, bearer string) {
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if a == nil {
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return "", ""
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}
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if a.Attributes != nil {
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if v := a.Attributes["api_key"]; v != "" {
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apiKey = v
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}
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}
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if a.Metadata != nil {
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// GeminiTokenStorage.Token is a map that may contain access_token
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if v, ok := a.Metadata["access_token"].(string); ok && v != "" {
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bearer = v
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}
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if token, ok := a.Metadata["token"].(map[string]any); ok && token != nil {
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if v, ok2 := token["access_token"].(string); ok2 && v != "" {
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bearer = v
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}
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}
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}
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return
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}
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Reference in New Issue
Block a user