package executor import ( "bufio" "bytes" "context" "fmt" "io" "net/http" "strings" "github.com/router-for-me/CLIProxyAPI/v6/internal/config" cliproxyauth "github.com/router-for-me/CLIProxyAPI/v6/sdk/cliproxy/auth" cliproxyexecutor "github.com/router-for-me/CLIProxyAPI/v6/sdk/cliproxy/executor" sdktranslator "github.com/router-for-me/CLIProxyAPI/v6/sdk/translator" log "github.com/sirupsen/logrus" "github.com/tidwall/sjson") // OpenAICompatExecutor implements a stateless executor for OpenAI-compatible providers.// It performs request/response translation and executes against the provider base URL// using per-auth credentials (API key) and per-auth HTTP transport (proxy) from context.type OpenAICompatExecutor struct { provider string cfg *config.Config} // NewOpenAICompatExecutor creates an executor bound to a provider key (e.g., "openrouter").func NewOpenAICompatExecutor(provider string, cfg *config.Config) *OpenAICompatExecutor { return &OpenAICompatExecutor{provider: provider, cfg: cfg}} // Identifier implements cliproxyauth.ProviderExecutor.func (e *OpenAICompatExecutor) Identifier() string { return e.provider } // PrepareRequest is a no-op for now (credentials are added via headers at execution time).func (e *OpenAICompatExecutor) PrepareRequest(_ *http.Request, _ *cliproxyauth.Auth) error { return nil} func (e *OpenAICompatExecutor) Execute(ctx context.Context, auth *cliproxyauth.Auth, req cliproxyexecutor.Request, opts cliproxyexecutor.Options) (cliproxyexecutor.Response, error) { baseURL, apiKey := e.resolveCredentials(auth) if baseURL == "" { return cliproxyexecutor.Response{}, statusErr{code: http.StatusUnauthorized, msg: "missing provider baseURL"} } reporter := newUsageReporter(ctx, e.Identifier(), req.Model, auth) // Translate inbound request to OpenAI format from := opts.SourceFormat to := sdktranslator.FromString("openai") translated := sdktranslator.TranslateRequest(from, to, req.Model, bytes.Clone(req.Payload), opts.Stream) if modelOverride := e.resolveUpstreamModel(req.Model, auth); modelOverride != "" { translated = e.overrideModel(translated, modelOverride) } url := strings.TrimSuffix(baseURL, "/") + "/chat/completions" recordAPIRequest(ctx, e.cfg, translated) httpReq, err := http.NewRequestWithContext(ctx, http.MethodPost, url, bytes.NewReader(translated)) if err != nil { return cliproxyexecutor.Response{}, err } httpReq.Header.Set("Content-Type", "application/json") if apiKey != "" { httpReq.Header.Set("Authorization", "Bearer "+apiKey) } httpReq.Header.Set("User-Agent", "cli-proxy-openai-compat") httpClient := newProxyAwareHTTPClient(ctx, e.cfg, auth, 0) resp, err := httpClient.Do(httpReq) if err != nil { return cliproxyexecutor.Response{}, err } defer func() { _ = resp.Body.Close() }() if resp.StatusCode < 200 || resp.StatusCode >= 300 { b, _ := io.ReadAll(resp.Body) appendAPIResponseChunk(ctx, e.cfg, b) log.Debugf("request error, error status: %d, error body: %s", resp.StatusCode, string(b)) return cliproxyexecutor.Response{}, statusErr{code: resp.StatusCode, msg: string(b)} } body, err := io.ReadAll(resp.Body) if err != nil { return cliproxyexecutor.Response{}, err } appendAPIResponseChunk(ctx, e.cfg, body) reporter.publish(ctx, parseOpenAIUsage(body)) // Translate response back to source format when needed var param any out := sdktranslator.TranslateNonStream(ctx, to, from, req.Model, bytes.Clone(opts.OriginalRequest), translated, body, ¶m) return cliproxyexecutor.Response{Payload: []byte(out)}, nil} func (e *OpenAICompatExecutor) ExecuteStream(ctx context.Context, auth *cliproxyauth.Auth, req cliproxyexecutor.Request, opts cliproxyexecutor.Options) (<-chan cliproxyexecutor.StreamChunk, error) { baseURL, apiKey := e.resolveCredentials(auth) if baseURL == "" { return nil, statusErr{code: http.StatusUnauthorized, msg: "missing provider baseURL"} } reporter := newUsageReporter(ctx, e.Identifier(), req.Model, auth) from := opts.SourceFormat to := sdktranslator.FromString("openai") translated := sdktranslator.TranslateRequest(from, to, req.Model, bytes.Clone(req.Payload), true) if modelOverride := e.resolveUpstreamModel(req.Model, auth); modelOverride != "" { translated = e.overrideModel(translated, modelOverride) } url := strings.TrimSuffix(baseURL, "/") + "/chat/completions" recordAPIRequest(ctx, e.cfg, translated) httpReq, err := http.NewRequestWithContext(ctx, http.MethodPost, url, bytes.NewReader(translated)) if err != nil { return nil, err } httpReq.Header.Set("Content-Type", "application/json") if apiKey != "" { httpReq.Header.Set("Authorization", "Bearer "+apiKey) } httpReq.Header.Set("User-Agent", "cli-proxy-openai-compat") httpReq.Header.Set("Accept", "text/event-stream") httpReq.Header.Set("Cache-Control", "no-cache") httpClient := newProxyAwareHTTPClient(ctx, e.cfg, auth, 0) resp, err := httpClient.Do(httpReq) if err != nil { return nil, err } if resp.StatusCode < 200 || resp.StatusCode >= 300 { defer func() { _ = resp.Body.Close() }() b, _ := io.ReadAll(resp.Body) appendAPIResponseChunk(ctx, e.cfg, b) log.Debugf("request error, error status: %d, error body: %s", resp.StatusCode, string(b)) return nil, statusErr{code: resp.StatusCode, msg: string(b)} } out := make(chan cliproxyexecutor.StreamChunk) go func() { defer close(out) defer func() { _ = resp.Body.Close() }() scanner := bufio.NewScanner(resp.Body) buf := make([]byte, 1024*1024) scanner.Buffer(buf, 1024*1024) var param any for scanner.Scan() { line := scanner.Bytes() appendAPIResponseChunk(ctx, e.cfg, line) if detail, ok := parseOpenAIStreamUsage(line); ok { reporter.publish(ctx, detail) } if len(line) == 0 { continue } // OpenAI-compatible streams are SSE: lines typically prefixed with "data: ". // Pass through translator; it yields one or more chunks for the target schema. chunks := sdktranslator.TranslateStream(ctx, to, from, req.Model, bytes.Clone(opts.OriginalRequest), translated, bytes.Clone(line), ¶m) for i := range chunks { out <- cliproxyexecutor.StreamChunk{Payload: []byte(chunks[i])} } } if err = scanner.Err(); err != nil { out <- cliproxyexecutor.StreamChunk{Err: err} } }() return out, nil} func (e *OpenAICompatExecutor) CountTokens(ctx context.Context, auth *cliproxyauth.Auth, req cliproxyexecutor.Request, opts cliproxyexecutor.Options) (cliproxyexecutor.Response, error) { return cliproxyexecutor.Response{Payload: []byte{}}, fmt.Errorf("not implemented")} // Refresh is a no-op for API-key based compatibility providers.func (e *OpenAICompatExecutor) Refresh(ctx context.Context, auth *cliproxyauth.Auth) (*cliproxyauth.Auth, error) { log.Debugf("openai compat executor: refresh called") _ = ctx return auth, nil} func (e *OpenAICompatExecutor) resolveCredentials(auth *cliproxyauth.Auth) (baseURL, apiKey string) { if auth == nil { return "", "" } if auth.Attributes != nil { baseURL = strings.TrimSpace(auth.Attributes["base_url"]) apiKey = strings.TrimSpace(auth.Attributes["api_key"]) } return} func (e *OpenAICompatExecutor) resolveUpstreamModel(alias string, auth *cliproxyauth.Auth) string { if alias == "" || auth == nil || e.cfg == nil { return "" } compat := e.resolveCompatConfig(auth) if compat == nil { return "" } for i := range compat.Models { model := compat.Models[i] if model.Alias != "" { if strings.EqualFold(model.Alias, alias) { if model.Name != "" { return model.Name } return alias } continue } if strings.EqualFold(model.Name, alias) { return model.Name } } return ""} func (e *OpenAICompatExecutor) resolveCompatConfig(auth *cliproxyauth.Auth) *config.OpenAICompatibility { if auth == nil || e.cfg == nil { return nil } candidates := make([]string, 0, 3) if auth.Attributes != nil { if v := strings.TrimSpace(auth.Attributes["compat_name"]); v != "" { candidates = append(candidates, v) } if v := strings.TrimSpace(auth.Attributes["provider_key"]); v != "" { candidates = append(candidates, v) } } if v := strings.TrimSpace(auth.Provider); v != "" { candidates = append(candidates, v) } for i := range e.cfg.OpenAICompatibility { compat := &e.cfg.OpenAICompatibility[i] for _, candidate := range candidates { if candidate != "" && strings.EqualFold(strings.TrimSpace(candidate), compat.Name) { return compat } } } return nil} func (e *OpenAICompatExecutor) overrideModel(payload []byte, model string) []byte { if len(payload) == 0 || model == "" { return payload } payload, _ = sjson.SetBytes(payload, "model", model) return payload} type statusErr struct { code int msg string} func (e statusErr) Error() string { if e.msg != "" { return e.msg } return fmt.Sprintf("status %d", e.code)}func (e statusErr) StatusCode() int { return e.code }
package executor
import (
"bufio"
"bytes"
"context"
"fmt"
"io"
"net/http"
"strings"
"github.com/router-for-me/CLIProxyAPI/v6/internal/config"
cliproxyauth "github.com/router-for-me/CLIProxyAPI/v6/sdk/cliproxy/auth"
cliproxyexecutor "github.com/router-for-me/CLIProxyAPI/v6/sdk/cliproxy/executor"
sdktranslator "github.com/router-for-me/CLIProxyAPI/v6/sdk/translator"
log "github.com/sirupsen/logrus"
"github.com/tidwall/sjson"
)
// OpenAICompatExecutor implements a stateless executor for OpenAI-compatible providers.
// It performs request/response translation and executes against the provider base URL
// using per-auth credentials (API key) and per-auth HTTP transport (proxy) from context.
type OpenAICompatExecutor struct {
provider string
cfg *config.Config
}
// NewOpenAICompatExecutor creates an executor bound to a provider key (e.g., "openrouter").
func NewOpenAICompatExecutor(provider string, cfg *config.Config) *OpenAICompatExecutor {
return &OpenAICompatExecutor{provider: provider, cfg: cfg}
}
// Identifier implements cliproxyauth.ProviderExecutor.
func (e *OpenAICompatExecutor) Identifier() string { return e.provider }
// PrepareRequest is a no-op for now (credentials are added via headers at execution time).
func (e *OpenAICompatExecutor) PrepareRequest(_ *http.Request, _ *cliproxyauth.Auth) error {
return nil
}
func (e *OpenAICompatExecutor) Execute(ctx context.Context, auth *cliproxyauth.Auth, req cliproxyexecutor.Request, opts cliproxyexecutor.Options) (cliproxyexecutor.Response, error) {
baseURL, apiKey := e.resolveCredentials(auth)
if baseURL == "" {
return cliproxyexecutor.Response{}, statusErr{code: http.StatusUnauthorized, msg: "missing provider baseURL"}
}
reporter := newUsageReporter(ctx, e.Identifier(), req.Model, auth)
// Translate inbound request to OpenAI format
from := opts.SourceFormat
to := sdktranslator.FromString("openai")
translated := sdktranslator.TranslateRequest(from, to, req.Model, bytes.Clone(req.Payload), opts.Stream)
if modelOverride := e.resolveUpstreamModel(req.Model, auth); modelOverride != "" {
translated = e.overrideModel(translated, modelOverride)
}
url := strings.TrimSuffix(baseURL, "/") + "/chat/completions"
recordAPIRequest(ctx, e.cfg, translated)
httpReq, err := http.NewRequestWithContext(ctx, http.MethodPost, url, bytes.NewReader(translated))
if err != nil {
return cliproxyexecutor.Response{}, err
}
httpReq.Header.Set("Content-Type", "application/json")
if apiKey != "" {
httpReq.Header.Set("Authorization", "Bearer "+apiKey)
}
httpReq.Header.Set("User-Agent", "cli-proxy-openai-compat")
httpClient := newProxyAwareHTTPClient(ctx, e.cfg, auth, 0)
resp, err := httpClient.Do(httpReq)
if err != nil {
return cliproxyexecutor.Response{}, err
}
defer func() { _ = resp.Body.Close() }()
if resp.StatusCode < 200 || resp.StatusCode >= 300 {
b, _ := io.ReadAll(resp.Body)
appendAPIResponseChunk(ctx, e.cfg, b)
log.Debugf("request error, error status: %d, error body: %s", resp.StatusCode, string(b))
return cliproxyexecutor.Response{}, statusErr{code: resp.StatusCode, msg: string(b)}
}
body, err := io.ReadAll(resp.Body)
if err != nil {
return cliproxyexecutor.Response{}, err
}
appendAPIResponseChunk(ctx, e.cfg, body)
reporter.publish(ctx, parseOpenAIUsage(body))
// Translate response back to source format when needed
var param any
out := sdktranslator.TranslateNonStream(ctx, to, from, req.Model, bytes.Clone(opts.OriginalRequest), translated, body, ¶m)
return cliproxyexecutor.Response{Payload: []byte(out)}, nil
}
func (e *OpenAICompatExecutor) ExecuteStream(ctx context.Context, auth *cliproxyauth.Auth, req cliproxyexecutor.Request, opts cliproxyexecutor.Options) (<-chan cliproxyexecutor.StreamChunk, error) {
baseURL, apiKey := e.resolveCredentials(auth)
if baseURL == "" {
return nil, statusErr{code: http.StatusUnauthorized, msg: "missing provider baseURL"}
}
reporter := newUsageReporter(ctx, e.Identifier(), req.Model, auth)
from := opts.SourceFormat
to := sdktranslator.FromString("openai")
translated := sdktranslator.TranslateRequest(from, to, req.Model, bytes.Clone(req.Payload), true)
if modelOverride := e.resolveUpstreamModel(req.Model, auth); modelOverride != "" {
translated = e.overrideModel(translated, modelOverride)
}
url := strings.TrimSuffix(baseURL, "/") + "/chat/completions"
recordAPIRequest(ctx, e.cfg, translated)
httpReq, err := http.NewRequestWithContext(ctx, http.MethodPost, url, bytes.NewReader(translated))
if err != nil {
return nil, err
}
httpReq.Header.Set("Content-Type", "application/json")
if apiKey != "" {
httpReq.Header.Set("Authorization", "Bearer "+apiKey)
}
httpReq.Header.Set("User-Agent", "cli-proxy-openai-compat")
httpReq.Header.Set("Accept", "text/event-stream")
httpReq.Header.Set("Cache-Control", "no-cache")
httpClient := newProxyAwareHTTPClient(ctx, e.cfg, auth, 0)
resp, err := httpClient.Do(httpReq)
if err != nil {
return nil, err
}
if resp.StatusCode < 200 || resp.StatusCode >= 300 {
defer func() { _ = resp.Body.Close() }()
b, _ := io.ReadAll(resp.Body)
appendAPIResponseChunk(ctx, e.cfg, b)
log.Debugf("request error, error status: %d, error body: %s", resp.StatusCode, string(b))
return nil, statusErr{code: resp.StatusCode, msg: string(b)}
}
out := make(chan cliproxyexecutor.StreamChunk)
go func() {
defer close(out)
defer func() { _ = resp.Body.Close() }()
scanner := bufio.NewScanner(resp.Body)
buf := make([]byte, 1024*1024)
scanner.Buffer(buf, 1024*1024)
var param any
for scanner.Scan() {
line := scanner.Bytes()
appendAPIResponseChunk(ctx, e.cfg, line)
if detail, ok := parseOpenAIStreamUsage(line); ok {
reporter.publish(ctx, detail)
}
if len(line) == 0 {
continue
}
// OpenAI-compatible streams are SSE: lines typically prefixed with "data: ".
// Pass through translator; it yields one or more chunks for the target schema.
chunks := sdktranslator.TranslateStream(ctx, to, from, req.Model, bytes.Clone(opts.OriginalRequest), translated, bytes.Clone(line), ¶m)
for i := range chunks {
out <- cliproxyexecutor.StreamChunk{Payload: []byte(chunks[i])}
}
}
if err = scanner.Err(); err != nil {
out <- cliproxyexecutor.StreamChunk{Err: err}
}
}()
return out, nil
}
func (e *OpenAICompatExecutor) CountTokens(ctx context.Context, auth *cliproxyauth.Auth, req cliproxyexecutor.Request, opts cliproxyexecutor.Options) (cliproxyexecutor.Response, error) {
return cliproxyexecutor.Response{Payload: []byte{}}, fmt.Errorf("not implemented")
}
// Refresh is a no-op for API-key based compatibility providers.
func (e *OpenAICompatExecutor) Refresh(ctx context.Context, auth *cliproxyauth.Auth) (*cliproxyauth.Auth, error) {
log.Debugf("openai compat executor: refresh called")
_ = ctx
return auth, nil
}
func (e *OpenAICompatExecutor) resolveCredentials(auth *cliproxyauth.Auth) (baseURL, apiKey string) {
if auth == nil {
return "", ""
}
if auth.Attributes != nil {
baseURL = strings.TrimSpace(auth.Attributes["base_url"])
apiKey = strings.TrimSpace(auth.Attributes["api_key"])
}
return
}
func (e *OpenAICompatExecutor) resolveUpstreamModel(alias string, auth *cliproxyauth.Auth) string {
if alias == "" || auth == nil || e.cfg == nil {
return ""
}
compat := e.resolveCompatConfig(auth)
if compat == nil {
return ""
}
for i := range compat.Models {
model := compat.Models[i]
if model.Alias != "" {
if strings.EqualFold(model.Alias, alias) {
if model.Name != "" {
return model.Name
}
return alias
}
continue
}
if strings.EqualFold(model.Name, alias) {
return model.Name
}
}
return ""
}
func (e *OpenAICompatExecutor) resolveCompatConfig(auth *cliproxyauth.Auth) *config.OpenAICompatibility {
if auth == nil || e.cfg == nil {
return nil
}
candidates := make([]string, 0, 3)
if auth.Attributes != nil {
if v := strings.TrimSpace(auth.Attributes["compat_name"]); v != "" {
candidates = append(candidates, v)
}
if v := strings.TrimSpace(auth.Attributes["provider_key"]); v != "" {
candidates = append(candidates, v)
}
}
if v := strings.TrimSpace(auth.Provider); v != "" {
candidates = append(candidates, v)
}
for i := range e.cfg.OpenAICompatibility {
compat := &e.cfg.OpenAICompatibility[i]
for _, candidate := range candidates {
if candidate != "" && strings.EqualFold(strings.TrimSpace(candidate), compat.Name) {
return compat
}
}
}
return nil
}
func (e *OpenAICompatExecutor) overrideModel(payload []byte, model string) []byte {
if len(payload) == 0 || model == "" {
return payload
}
payload, _ = sjson.SetBytes(payload, "model", model)
return payload
}
type statusErr struct {
code int
msg string
}
func (e statusErr) Error() string {
if e.msg != "" {
return e.msg
}
return fmt.Sprintf("status %d", e.code)
}
func (e statusErr) StatusCode() int { return e.code }