mirror of
https://github.com/router-for-me/CLIProxyAPI.git
synced 2026-10-31 20:32:41 +08:00
3b69068e6c
An attachment a translator could not represent was dropped without a word, and a turn whose only content was that attachment went upstream as an empty messages, parts, or input array. The model then answered as if nothing was attached, or the upstream rejected a request that never named the attachment. A base64 document now reaches OpenAI as a file part. A file the target cannot receive, such as container_upload, an OpenAI file_id, or input_audio sent to Claude, is reported by name so the route answers 400 instead of forwarding an empty turn. Text beside it still travels. One rule, ErrIfNothingLeft, decides when to refuse, and RegisterCheckedRequest carries the refusal on the request envelope. Every executor that translates checks it before calling upstream. The exported converters keep their []byte signature, so no caller or sibling test had to change.
1165 lines
42 KiB
Go
1165 lines
42 KiB
Go
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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"encoding/json"
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"fmt"
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"io"
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"mime"
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"mime/multipart"
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"net/http"
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"net/textproto"
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"strconv"
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"strings"
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"time"
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"github.com/google/uuid"
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"github.com/router-for-me/CLIProxyAPI/v8/internal/config"
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"github.com/router-for-me/CLIProxyAPI/v8/internal/runtime/executor/helps"
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"github.com/router-for-me/CLIProxyAPI/v8/internal/thinking"
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"github.com/router-for-me/CLIProxyAPI/v8/internal/util"
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cliproxyauth "github.com/router-for-me/CLIProxyAPI/v8/sdk/cliproxy/auth"
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cliproxyexecutor "github.com/router-for-me/CLIProxyAPI/v8/sdk/cliproxy/executor"
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sdktranslator "github.com/router-for-me/CLIProxyAPI/v8/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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)
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const (
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openAICompatImageHandlerType = "openai-image"
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openAICompatImagesGenerationsPath = "/images/generations"
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openAICompatImagesEditsPath = "/images/edits"
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openAICompatDefaultImageEndpoint = openAICompatImagesGenerationsPath
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openAICompatMultipartMemory int64 = 32 << 20
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)
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// OpenAICompatExecutor implements a stateless executor for OpenAI-compatible providers.
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// It performs request/response translation and executes against the provider base URL
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// using per-auth credentials (API key) and per-auth HTTP transport (proxy) from context.
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type OpenAICompatExecutor struct {
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provider string
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cfg *config.Config
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}
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// NewOpenAICompatExecutor creates an executor bound to a provider key (e.g., "openrouter").
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func NewOpenAICompatExecutor(provider string, cfg *config.Config) *OpenAICompatExecutor {
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return &OpenAICompatExecutor{provider: provider, cfg: cfg}
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}
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// Identifier implements cliproxyauth.ProviderExecutor.
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func (e *OpenAICompatExecutor) Identifier() string { return e.provider }
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// PrepareRequest injects OpenAI-compatible credentials into the outgoing HTTP request.
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func (e *OpenAICompatExecutor) PrepareRequest(req *http.Request, auth *cliproxyauth.Auth) error {
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if req == nil {
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return nil
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}
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_, apiKey := e.resolveCredentials(auth)
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if strings.TrimSpace(apiKey) != "" {
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req.Header.Set("Authorization", "Bearer "+apiKey)
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}
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var attrs map[string]string
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if auth != nil {
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attrs = auth.Attributes
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}
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util.ApplyCustomHeadersFromAttrs(req, attrs)
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return nil
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}
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// HttpRequest injects OpenAI-compatible credentials into the request and executes it.
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func (e *OpenAICompatExecutor) HttpRequest(ctx context.Context, auth *cliproxyauth.Auth, req *http.Request) (*http.Response, error) {
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if req == nil {
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return nil, fmt.Errorf("openai compat executor: request is nil")
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}
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if ctx == nil {
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ctx = req.Context()
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}
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httpReq := req.WithContext(ctx)
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if err := e.PrepareRequest(httpReq, auth); err != nil {
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return nil, err
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}
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httpClient := helps.NewProxyAwareHTTPClient(ctx, e.cfg, auth, 0)
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return httpClient.Do(httpReq)
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}
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func (e *OpenAICompatExecutor) Execute(ctx context.Context, auth *cliproxyauth.Auth, req cliproxyexecutor.Request, opts cliproxyexecutor.Options) (resp cliproxyexecutor.Response, err error) {
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ctx = helps.EnsureSessionContext(ctx, opts, req.Payload)
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if endpointPath := openAICompatImageEndpointPath(opts); endpointPath != "" {
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return e.executeImages(ctx, auth, req, opts, endpointPath)
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}
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baseModel := thinking.ParseSuffix(req.Model).ModelName
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reporter := helps.NewExecutorUsageReporter(ctx, e, baseModel, auth)
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defer reporter.TrackFailure(ctx, &err)
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baseURL, apiKey := e.resolveCredentials(auth)
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if baseURL == "" {
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err = statusErr{code: http.StatusUnauthorized, msg: "missing provider baseURL"}
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return
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}
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from := opts.SourceFormat
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responseFormat := cliproxyexecutor.ResponseFormatOrSource(opts)
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to := sdktranslator.FromString("openai")
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endpoint := "/chat/completions"
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if opts.Alt == "responses/compact" {
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to = sdktranslator.FromString("openai-response")
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endpoint = "/responses/compact"
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}
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originalPayloadSource := req.Payload
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if len(opts.OriginalRequest) > 0 {
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originalPayloadSource = opts.OriginalRequest
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}
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originalPayload := originalPayloadSource
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isCompat := helps.APIKeyModelIsCompat(req)
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originalTranslated, translated, updatesChanged, err := helps.TranslateRequestPairWithAPIKeyModelCompatibilityAndUpdateIntent(ctx, opts.Headers, e.cfg, from, to, baseModel, originalPayload, req.Payload, opts.Stream, isCompat)
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if err != nil {
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return resp, err
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}
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translated, err = helps.ApplyRequestThinking(translated, req, opts, from.String(), to.String(), e.Identifier(), updatesChanged)
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if err != nil {
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return resp, err
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}
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requestedModel := helps.PayloadRequestedModel(opts, req.Model)
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requestPath := helps.PayloadRequestPath(opts)
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if helps.ShouldNormalizeOpenAIToolResultsForModel(e.resolveCompatConfig(auth, req), baseModel, requestedModel) {
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translated = helps.NormalizeOpenAIToolResultsTextOnly(translated)
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}
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if opts.Alt != "responses/compact" {
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useMCT := helps.ShouldUseMaxCompletionTokensForModel(e.resolveCompatConfig(auth, req), baseModel, requestedModel)
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translated = helps.NormalizeOpenAIMaxTokens(translated, useMCT)
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translated, err = e.applyPromptCacheKey(ctx, auth, from, baseModel, req, opts, translated)
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if err != nil {
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return resp, err
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}
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}
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if opts.Alt == "responses/compact" {
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if updated, errDelete := sjson.DeleteBytes(translated, "stream"); errDelete == nil {
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translated = updated
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}
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translated = sanitizeOpenAIResponsesReasoningEncryptedContent(ctx, "openai compat executor", translated)
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}
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reporter.SetTranslatedReasoningEffort(translated, to.String())
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url := strings.TrimSuffix(baseURL, "/") + endpoint
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translated = helps.ApplyPayloadConfigWithRequest(e.cfg, baseModel, to.String(), from.String(), "", translated, originalTranslated, requestedModel, requestPath, opts.Headers)
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httpReq, err := http.NewRequestWithContext(ctx, http.MethodPost, url, bytes.NewReader(translated))
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if err != nil {
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return resp, 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("Authorization", "Bearer "+apiKey)
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}
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httpReq.Header.Set("User-Agent", "cli-proxy-openai-compat")
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var attrs map[string]string
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if auth != nil {
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attrs = auth.Attributes
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}
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util.ApplyCustomHeadersFromAttrs(httpReq, attrs, opts.Headers)
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var authID, authLabel, authType, authValue string
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if auth != nil {
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authID = auth.ID
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authLabel = auth.Label
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authType, authValue = auth.AccountInfo()
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}
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helps.RecordAPIRequest(ctx, e.cfg, helps.UpstreamRequestLog{
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URL: url,
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Method: http.MethodPost,
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Headers: httpReq.Header.Clone(),
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Body: translated,
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Provider: e.Identifier(),
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AuthID: authID,
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AuthLabel: authLabel,
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AuthType: authType,
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AuthValue: authValue,
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})
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httpClient := helps.NewProxyAwareHTTPClient(ctx, e.cfg, auth, 0)
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httpClient = reporter.TrackHTTPClient(httpClient)
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httpResp, err := httpClient.Do(httpReq)
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if err != nil {
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helps.RecordAPIResponseError(ctx, e.cfg, err)
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return resp, err
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}
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defer func() {
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if errClose := httpResp.Body.Close(); errClose != nil {
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log.Errorf("openai compat executor: close response body error: %v", errClose)
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}
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}()
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helps.RecordAPIResponseMetadata(ctx, e.cfg, httpResp.StatusCode, httpResp.Header.Clone())
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if httpResp.StatusCode < 200 || httpResp.StatusCode >= 300 {
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b, _ := io.ReadAll(httpResp.Body)
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helps.AppendAPIResponseChunk(ctx, e.cfg, b)
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helps.LogWithRequestID(ctx).Debugf("request error, error status: %d, error message: %s", httpResp.StatusCode, helps.SummarizeErrorBody(httpResp.Header.Get("Content-Type"), b))
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err = newOpenAICompatStatusError(httpResp.StatusCode, httpResp.Header, b)
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return resp, err
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}
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body, err := io.ReadAll(httpResp.Body)
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if err != nil {
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helps.RecordAPIResponseError(ctx, e.cfg, err)
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return resp, err
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}
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helps.AppendAPIResponseChunk(ctx, e.cfg, body)
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reporter.ObserveResponseModel(body)
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// Ensure we at least record the request even if upstream doesn't return usage
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// Translate response back to source format when needed
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var param any
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out := sdktranslator.TranslateNonStream(ctx, to, responseFormat, req.Model, helps.ApplyPatchOriginalRequest(req, opts), translated, body, ¶m)
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if helps.ApplyPatchTranslationError(param) != nil || len(out) == 0 {
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return cliproxyexecutor.Response{}, statusErr{code: http.StatusBadGateway, msg: helps.ApplyPatchUpstreamErrorMessage}
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}
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reporter.Publish(ctx, helps.ParseOpenAIUsage(body))
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if responseFormat == sdktranslator.FormatOpenAIResponse {
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out = helps.EnsureResponsesUsageDetails(out)
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}
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resp = cliproxyexecutor.Response{Payload: out, Headers: httpResp.Header.Clone()}
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return resp, nil
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}
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func (e *OpenAICompatExecutor) executeImages(ctx context.Context, auth *cliproxyauth.Auth, req cliproxyexecutor.Request, opts cliproxyexecutor.Options, endpointPath string) (resp cliproxyexecutor.Response, err error) {
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baseModel := thinking.ParseSuffix(req.Model).ModelName
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reporter := helps.NewExecutorUsageReporter(ctx, e, baseModel, auth)
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defer reporter.TrackFailure(ctx, &err)
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baseURL, apiKey := e.resolveCredentials(auth)
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if baseURL == "" {
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err = statusErr{code: http.StatusUnauthorized, msg: "missing provider baseURL"}
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return resp, err
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}
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payload, contentType, errPrepare := prepareOpenAICompatImagesPayload(req.Payload, baseModel, opts.Headers.Get("Content-Type"), false)
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if errPrepare != nil {
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err = errPrepare
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return resp, err
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}
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if contentType == "" {
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contentType = "application/json"
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}
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payload, contentType, errPrepare = helps.ApplyMediaPayloadConfig(e.cfg, e.Identifier(), baseModel, "openai", payload, contentType, req, opts)
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if errPrepare != nil {
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return resp, errPrepare
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}
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reporter.SetTranslatedReasoningEffort(payload, "openai")
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url := strings.TrimSuffix(baseURL, "/") + endpointPath
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httpReq, err := http.NewRequestWithContext(ctx, http.MethodPost, url, bytes.NewReader(payload))
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if err != nil {
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return resp, err
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}
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httpReq.Header.Set("Content-Type", contentType)
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if apiKey != "" {
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httpReq.Header.Set("Authorization", "Bearer "+apiKey)
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}
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httpReq.Header.Set("User-Agent", "cli-proxy-openai-compat")
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var attrs map[string]string
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if auth != nil {
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attrs = auth.Attributes
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}
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util.ApplyCustomHeadersFromAttrs(httpReq, attrs, opts.Headers)
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var authID, authLabel, authType, authValue string
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if auth != nil {
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authID = auth.ID
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authLabel = auth.Label
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authType, authValue = auth.AccountInfo()
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}
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helps.RecordAPIRequest(ctx, e.cfg, helps.UpstreamRequestLog{
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URL: url,
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Method: http.MethodPost,
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Headers: httpReq.Header.Clone(),
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Body: payload,
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Provider: e.Identifier(),
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AuthID: authID,
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AuthLabel: authLabel,
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AuthType: authType,
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AuthValue: authValue,
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})
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httpClient := helps.NewProxyAwareHTTPClient(ctx, e.cfg, auth, 0)
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httpClient = reporter.TrackHTTPClient(httpClient)
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httpResp, err := httpClient.Do(httpReq)
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if err != nil {
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helps.RecordAPIResponseError(ctx, e.cfg, err)
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return resp, err
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}
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defer func() {
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if errClose := httpResp.Body.Close(); errClose != nil {
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log.Errorf("openai compat executor: close response body error: %v", errClose)
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}
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}()
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helps.RecordAPIResponseMetadata(ctx, e.cfg, httpResp.StatusCode, httpResp.Header.Clone())
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body, errRead := io.ReadAll(httpResp.Body)
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if errRead != nil {
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helps.RecordAPIResponseError(ctx, e.cfg, errRead)
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err = errRead
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return resp, err
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}
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helps.AppendAPIResponseChunk(ctx, e.cfg, body)
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if httpResp.StatusCode < 200 || httpResp.StatusCode >= 300 {
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helps.LogWithRequestID(ctx).Debugf("request error, error status: %d, error message: %s", httpResp.StatusCode, helps.SummarizeErrorBody(httpResp.Header.Get("Content-Type"), body))
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err = newOpenAICompatStatusError(httpResp.StatusCode, httpResp.Header, body)
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return resp, err
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}
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reporter.ObserveResponseModel(body)
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reporter.Publish(ctx, helps.ParseOpenAIUsage(body))
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reporter.EnsurePublished(ctx)
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resp = cliproxyexecutor.Response{Payload: body, Headers: httpResp.Header.Clone()}
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return resp, nil
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}
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func (e *OpenAICompatExecutor) ExecuteStream(ctx context.Context, auth *cliproxyauth.Auth, req cliproxyexecutor.Request, opts cliproxyexecutor.Options) (_ *cliproxyexecutor.StreamResult, err error) {
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ctx = helps.EnsureSessionContext(ctx, opts, req.Payload)
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if endpointPath := openAICompatImageEndpointPath(opts); endpointPath != "" {
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return e.executeImagesStream(ctx, auth, req, opts, endpointPath)
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}
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baseModel := thinking.ParseSuffix(req.Model).ModelName
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reporter := helps.NewExecutorUsageReporter(ctx, e, baseModel, auth)
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defer reporter.TrackFailure(ctx, &err)
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baseURL, apiKey := e.resolveCredentials(auth)
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if baseURL == "" {
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err = statusErr{code: http.StatusUnauthorized, msg: "missing provider baseURL"}
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return nil, err
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}
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from := opts.SourceFormat
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responseFormat := cliproxyexecutor.ResponseFormatOrSource(opts)
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to := sdktranslator.FromString("openai")
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originalPayloadSource := req.Payload
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if len(opts.OriginalRequest) > 0 {
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originalPayloadSource = opts.OriginalRequest
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}
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originalPayload := originalPayloadSource
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isCompat := helps.APIKeyModelIsCompat(req)
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originalTranslated, translated, updatesChanged, err := helps.TranslateRequestPairWithAPIKeyModelCompatibilityAndUpdateIntent(ctx, opts.Headers, e.cfg, from, to, baseModel, originalPayload, req.Payload, true, isCompat)
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if err != nil {
|
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return nil, err
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}
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translated, err = helps.ApplyRequestThinking(translated, req, opts, from.String(), to.String(), e.Identifier(), updatesChanged)
|
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if err != nil {
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return nil, err
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}
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requestedModel := helps.PayloadRequestedModel(opts, req.Model)
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requestPath := helps.PayloadRequestPath(opts)
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if helps.ShouldNormalizeOpenAIToolResultsForModel(e.resolveCompatConfig(auth, req), baseModel, requestedModel) {
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translated = helps.NormalizeOpenAIToolResultsTextOnly(translated)
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}
|
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if opts.Alt != "responses/compact" {
|
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useMCT := helps.ShouldUseMaxCompletionTokensForModel(e.resolveCompatConfig(auth, req), baseModel, requestedModel)
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translated = helps.NormalizeOpenAIMaxTokens(translated, useMCT)
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translated, err = e.applyPromptCacheKey(ctx, auth, from, baseModel, req, opts, translated)
|
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if err != nil {
|
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return nil, err
|
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}
|
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}
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|
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// Request usage data in the final streaming chunk so that token statistics
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// are captured even when the upstream is an OpenAI-compatible provider.
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translated = helps.SetBoolIfDifferent(translated, "stream_options.include_usage", true)
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reporter.SetTranslatedReasoningEffort(translated, to.String())
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|
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url := strings.TrimSuffix(baseURL, "/") + "/chat/completions"
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translated = helps.ApplyPayloadConfigWithRequest(e.cfg, baseModel, to.String(), from.String(), "", translated, originalTranslated, requestedModel, requestPath, opts.Headers)
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httpReq, err := http.NewRequestWithContext(ctx, http.MethodPost, url, bytes.NewReader(translated))
|
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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")
|
|
if apiKey != "" {
|
|
httpReq.Header.Set("Authorization", "Bearer "+apiKey)
|
|
}
|
|
httpReq.Header.Set("User-Agent", "cli-proxy-openai-compat")
|
|
var attrs map[string]string
|
|
if auth != nil {
|
|
attrs = auth.Attributes
|
|
}
|
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util.ApplyCustomHeadersFromAttrs(httpReq, attrs, opts.Headers)
|
|
httpReq.Header.Set("Accept", "text/event-stream")
|
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httpReq.Header.Set("Cache-Control", "no-cache")
|
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var authID, authLabel, authType, authValue string
|
|
if auth != nil {
|
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authID = auth.ID
|
|
authLabel = auth.Label
|
|
authType, authValue = auth.AccountInfo()
|
|
}
|
|
helps.RecordAPIRequest(ctx, e.cfg, helps.UpstreamRequestLog{
|
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URL: url,
|
|
Method: http.MethodPost,
|
|
Headers: httpReq.Header.Clone(),
|
|
Body: translated,
|
|
Provider: e.Identifier(),
|
|
AuthID: authID,
|
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AuthLabel: authLabel,
|
|
AuthType: authType,
|
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AuthValue: authValue,
|
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})
|
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|
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httpClient := helps.NewProxyAwareHTTPClient(ctx, e.cfg, auth, 0)
|
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httpClient = reporter.TrackHTTPClient(httpClient)
|
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httpResp, err := httpClient.Do(httpReq)
|
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if err != nil {
|
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helps.RecordAPIResponseError(ctx, e.cfg, err)
|
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return nil, err
|
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}
|
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helps.RecordAPIResponseMetadata(ctx, e.cfg, httpResp.StatusCode, httpResp.Header.Clone())
|
|
if httpResp.StatusCode < 200 || httpResp.StatusCode >= 300 {
|
|
b, _ := io.ReadAll(httpResp.Body)
|
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helps.AppendAPIResponseChunk(ctx, e.cfg, b)
|
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helps.LogWithRequestID(ctx).Debugf("request error, error status: %d, error message: %s", httpResp.StatusCode, helps.SummarizeErrorBody(httpResp.Header.Get("Content-Type"), b))
|
|
if errClose := httpResp.Body.Close(); errClose != nil {
|
|
log.Errorf("openai compat executor: close response body error: %v", errClose)
|
|
}
|
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err = newOpenAICompatStatusError(httpResp.StatusCode, httpResp.Header, b)
|
|
return nil, err
|
|
}
|
|
out := make(chan cliproxyexecutor.StreamChunk)
|
|
go func() {
|
|
defer close(out)
|
|
defer func() {
|
|
if errClose := httpResp.Body.Close(); errClose != nil {
|
|
log.Errorf("openai compat executor: close response body error: %v", errClose)
|
|
}
|
|
}()
|
|
scanner := bufio.NewScanner(httpResp.Body)
|
|
scanner.Buffer(nil, 52_428_800) // 50MB
|
|
claudeInputTokens := helps.NewClaudeInputTokenState(from, to, responseFormat, originalPayload)
|
|
var param any
|
|
helps.InitializeApplyPatchStream(ctx, to, responseFormat, req.Model, helps.ApplyPatchOriginalRequest(req, opts), translated, ¶m)
|
|
var streamUsage helps.StreamUsageBuffer
|
|
var seenDone bool
|
|
var streamFailed bool
|
|
var streamAborted bool
|
|
var upstreamEvent string
|
|
var frameData [][]byte
|
|
defer streamUsage.Publish(ctx, reporter)
|
|
|
|
publishStreamError := func(streamErr statusErr, containsPayload bool) {
|
|
loggedErr := streamErr
|
|
if containsPayload {
|
|
loggedErr = statusErr{code: streamErr.code, msg: "upstream stream returned an error payload"}
|
|
}
|
|
helps.RecordAPIResponseError(ctx, e.cfg, loggedErr)
|
|
reporter.PublishFailure(ctx, loggedErr)
|
|
select {
|
|
case out <- cliproxyexecutor.StreamChunk{Err: streamErr}:
|
|
case <-ctx.Done():
|
|
}
|
|
streamFailed = true
|
|
}
|
|
|
|
processFrame := func() bool {
|
|
eventName := upstreamEvent
|
|
upstreamEvent = ""
|
|
dataLines := frameData
|
|
frameData = nil
|
|
if len(dataLines) == 0 {
|
|
if openAICompatErrorEvent(eventName) {
|
|
publishStreamError(statusErr{code: http.StatusBadGateway, msg: "upstream error event ended without data"}, false)
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
if len(dataLines) > 1 {
|
|
for _, dataLine := range dataLines {
|
|
if bytes.Equal(bytes.TrimSpace(dataLine), []byte("[DONE]")) {
|
|
publishStreamError(statusErr{code: http.StatusBadGateway, msg: "upstream stream ended with incomplete data before [DONE]"}, false)
|
|
return true
|
|
}
|
|
}
|
|
}
|
|
dataPayload := bytes.TrimSpace(bytes.Join(dataLines, []byte("\n")))
|
|
isDone := bytes.Equal(dataPayload, []byte("[DONE]"))
|
|
if isDone && openAICompatErrorEvent(eventName) {
|
|
publishStreamError(statusErr{code: http.StatusBadGateway, msg: "upstream error event ended before [DONE]"}, false)
|
|
return true
|
|
}
|
|
if !isDone && !json.Valid(dataPayload) {
|
|
publishStreamError(statusErr{code: http.StatusBadGateway, msg: "upstream stream ended with incomplete SSE data frame"}, false)
|
|
return true
|
|
}
|
|
if !isDone {
|
|
if streamErr, isError := openAICompatStreamDataError(dataPayload, eventName); isError {
|
|
publishStreamError(streamErr, true)
|
|
return true
|
|
}
|
|
}
|
|
|
|
streamLine := append([]byte("data: "), dataPayload...)
|
|
chunks := helps.TranslateStreamWithClaudeInputTokens(ctx, to, responseFormat, req.Model, helps.ApplyPatchOriginalRequest(req, opts), translated, streamLine, ¶m, claudeInputTokens)
|
|
helps.RecordApplyPatchStreamFailure(ctx, param, reporter, statusErr{code: http.StatusBadGateway, msg: helps.ApplyPatchUpstreamErrorMessage})
|
|
for i := range chunks {
|
|
select {
|
|
case out <- cliproxyexecutor.StreamChunk{Payload: chunks[i]}:
|
|
case <-ctx.Done():
|
|
streamAborted = true
|
|
return true
|
|
}
|
|
}
|
|
if helps.ApplyPatchTranslationError(param) != nil {
|
|
publishStreamError(statusErr{code: http.StatusBadGateway, msg: helps.ApplyPatchUpstreamErrorMessage}, false)
|
|
return true
|
|
}
|
|
if isDone {
|
|
seenDone = true
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
scanLoop:
|
|
for scanner.Scan() {
|
|
line := scanner.Bytes()
|
|
helps.AppendAPIResponseChunk(ctx, e.cfg, line)
|
|
reporter.ObserveResponseModel(line)
|
|
streamUsage.ObserveOpenAIStream(line)
|
|
trimmedLine := bytes.TrimSpace(line)
|
|
if len(trimmedLine) == 0 {
|
|
if processFrame() {
|
|
break scanLoop
|
|
}
|
|
continue
|
|
}
|
|
if bytes.HasPrefix(trimmedLine, []byte("data:")) {
|
|
frameData = append(frameData, bytes.Clone(bytes.TrimSpace(trimmedLine[len("data:"):])))
|
|
continue
|
|
}
|
|
if bytes.HasPrefix(trimmedLine, []byte("event:")) {
|
|
upstreamEvent = strings.TrimSpace(string(trimmedLine[len("event:"):]))
|
|
continue
|
|
}
|
|
if bytes.HasPrefix(trimmedLine, []byte(":")) || bytes.HasPrefix(trimmedLine, []byte("id:")) || bytes.HasPrefix(trimmedLine, []byte("retry:")) {
|
|
continue
|
|
}
|
|
if bytes.HasPrefix(trimmedLine, []byte("{")) || bytes.HasPrefix(trimmedLine, []byte("[")) {
|
|
publishStreamError(statusErr{code: http.StatusBadGateway, msg: string(trimmedLine)}, true)
|
|
break
|
|
}
|
|
}
|
|
errScan := scanner.Err()
|
|
if errScan == nil && !seenDone && !streamFailed && !streamAborted && len(frameData) > 0 {
|
|
_ = processFrame()
|
|
}
|
|
if !streamFailed && !streamAborted && helps.EndApplyPatchStream(ctx, param, reporter, out, statusErr{code: http.StatusBadGateway, msg: helps.ApplyPatchUpstreamErrorMessage}) {
|
|
return
|
|
}
|
|
if !streamFailed && !streamAborted && !seenDone && errScan == nil && responseFormat == sdktranslator.FormatOpenAIResponse && ctx.Err() == nil && helps.CanFinalizeResponseStream(param) {
|
|
finalChunks := helps.TranslateStreamWithClaudeInputTokens(ctx, to, responseFormat, req.Model, helps.ApplyPatchOriginalRequest(req, opts), translated, []byte("data: [DONE]"), ¶m, claudeInputTokens)
|
|
for _, finalChunk := range finalChunks {
|
|
select {
|
|
case out <- cliproxyexecutor.StreamChunk{Payload: finalChunk}:
|
|
case <-ctx.Done():
|
|
streamAborted = true
|
|
}
|
|
if streamAborted {
|
|
break
|
|
}
|
|
}
|
|
if len(finalChunks) > 0 && !streamAborted {
|
|
seenDone = true
|
|
}
|
|
}
|
|
if streamFailed || streamAborted {
|
|
return
|
|
}
|
|
if errScan != nil && !seenDone {
|
|
helps.RecordAPIResponseError(ctx, e.cfg, errScan)
|
|
reporter.PublishFailure(ctx, errScan)
|
|
select {
|
|
case out <- cliproxyexecutor.StreamChunk{Err: errScan}:
|
|
case <-ctx.Done():
|
|
}
|
|
} else if !seenDone {
|
|
// Without a translator-confirmed terminal state, a clean Responses EOF
|
|
// without [DONE] remains a failed stream instead of completing it.
|
|
if responseFormat == sdktranslator.FormatOpenAIResponse {
|
|
streamErr := statusErr{code: http.StatusBadGateway, msg: "upstream stream closed before [DONE]"}
|
|
helps.RecordAPIResponseError(ctx, e.cfg, streamErr)
|
|
reporter.PublishFailure(ctx, streamErr)
|
|
select {
|
|
case out <- cliproxyexecutor.StreamChunk{Err: streamErr}:
|
|
case <-ctx.Done():
|
|
}
|
|
return
|
|
}
|
|
|
|
// Other protocols retain compatibility with providers that omit [DONE].
|
|
chunks := helps.TranslateStreamWithClaudeInputTokens(ctx, to, responseFormat, req.Model, helps.ApplyPatchOriginalRequest(req, opts), translated, []byte("data: [DONE]"), ¶m, claudeInputTokens)
|
|
helps.RecordApplyPatchStreamFailure(ctx, param, reporter, statusErr{code: http.StatusBadGateway, msg: helps.ApplyPatchUpstreamErrorMessage})
|
|
for i := range chunks {
|
|
select {
|
|
case out <- cliproxyexecutor.StreamChunk{Payload: chunks[i]}:
|
|
case <-ctx.Done():
|
|
return
|
|
}
|
|
}
|
|
}
|
|
// Ensure we record the request if no usage chunk was ever seen.
|
|
streamUsage.Publish(ctx, reporter)
|
|
reporter.EnsurePublished(ctx)
|
|
}()
|
|
return &cliproxyexecutor.StreamResult{Headers: httpResp.Header.Clone(), Chunks: out}, nil
|
|
}
|
|
|
|
func (e *OpenAICompatExecutor) executeImagesStream(ctx context.Context, auth *cliproxyauth.Auth, req cliproxyexecutor.Request, opts cliproxyexecutor.Options, endpointPath string) (_ *cliproxyexecutor.StreamResult, err error) {
|
|
baseModel := thinking.ParseSuffix(req.Model).ModelName
|
|
|
|
reporter := helps.NewExecutorUsageReporter(ctx, e, baseModel, auth)
|
|
defer reporter.TrackFailure(ctx, &err)
|
|
|
|
baseURL, apiKey := e.resolveCredentials(auth)
|
|
if baseURL == "" {
|
|
err = statusErr{code: http.StatusUnauthorized, msg: "missing provider baseURL"}
|
|
return nil, err
|
|
}
|
|
|
|
payload, contentType, errPrepare := prepareOpenAICompatImagesPayload(req.Payload, baseModel, opts.Headers.Get("Content-Type"), true)
|
|
if errPrepare != nil {
|
|
err = errPrepare
|
|
return nil, err
|
|
}
|
|
if contentType == "" {
|
|
contentType = "application/json"
|
|
}
|
|
payload, contentType, errPrepare = helps.ApplyMediaPayloadConfig(e.cfg, e.Identifier(), baseModel, "openai", payload, contentType, req, opts)
|
|
if errPrepare != nil {
|
|
return nil, errPrepare
|
|
}
|
|
reporter.SetTranslatedReasoningEffort(payload, "openai")
|
|
|
|
url := strings.TrimSuffix(baseURL, "/") + endpointPath
|
|
httpReq, err := http.NewRequestWithContext(ctx, http.MethodPost, url, bytes.NewReader(payload))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
httpReq.Header.Set("Content-Type", contentType)
|
|
httpReq.Header.Set("Accept", "text/event-stream")
|
|
httpReq.Header.Set("Cache-Control", "no-cache")
|
|
if apiKey != "" {
|
|
httpReq.Header.Set("Authorization", "Bearer "+apiKey)
|
|
}
|
|
httpReq.Header.Set("User-Agent", "cli-proxy-openai-compat")
|
|
var attrs map[string]string
|
|
if auth != nil {
|
|
attrs = auth.Attributes
|
|
}
|
|
util.ApplyCustomHeadersFromAttrs(httpReq, attrs, opts.Headers)
|
|
var authID, authLabel, authType, authValue string
|
|
if auth != nil {
|
|
authID = auth.ID
|
|
authLabel = auth.Label
|
|
authType, authValue = auth.AccountInfo()
|
|
}
|
|
helps.RecordAPIRequest(ctx, e.cfg, helps.UpstreamRequestLog{
|
|
URL: url,
|
|
Method: http.MethodPost,
|
|
Headers: httpReq.Header.Clone(),
|
|
Body: payload,
|
|
Provider: e.Identifier(),
|
|
AuthID: authID,
|
|
AuthLabel: authLabel,
|
|
AuthType: authType,
|
|
AuthValue: authValue,
|
|
})
|
|
|
|
httpClient := helps.NewProxyAwareHTTPClient(ctx, e.cfg, auth, 0)
|
|
httpClient = reporter.TrackHTTPClient(httpClient)
|
|
httpResp, err := httpClient.Do(httpReq)
|
|
if err != nil {
|
|
helps.RecordAPIResponseError(ctx, e.cfg, err)
|
|
return nil, err
|
|
}
|
|
helps.RecordAPIResponseMetadata(ctx, e.cfg, httpResp.StatusCode, httpResp.Header.Clone())
|
|
|
|
if httpResp.StatusCode < 200 || httpResp.StatusCode >= 300 {
|
|
body, errRead := io.ReadAll(httpResp.Body)
|
|
if errClose := httpResp.Body.Close(); errClose != nil {
|
|
log.Errorf("openai compat executor: close response body error: %v", errClose)
|
|
}
|
|
if errRead != nil {
|
|
helps.RecordAPIResponseError(ctx, e.cfg, errRead)
|
|
return nil, errRead
|
|
}
|
|
helps.AppendAPIResponseChunk(ctx, e.cfg, body)
|
|
helps.LogWithRequestID(ctx).Debugf("request error, error status: %d, error message: %s", httpResp.StatusCode, helps.SummarizeErrorBody(httpResp.Header.Get("Content-Type"), body))
|
|
return nil, statusErr{code: httpResp.StatusCode, msg: string(body)}
|
|
}
|
|
|
|
out := make(chan cliproxyexecutor.StreamChunk)
|
|
go func() {
|
|
defer close(out)
|
|
observer := helps.NewStreamResponseModelObserver(reporter)
|
|
defer func() {
|
|
observer.Finish()
|
|
if errClose := httpResp.Body.Close(); errClose != nil {
|
|
log.Errorf("openai compat executor: close response body error: %v", errClose)
|
|
}
|
|
reporter.EnsurePublished(ctx)
|
|
}()
|
|
buffer := make([]byte, 32*1024)
|
|
for {
|
|
n, errRead := httpResp.Body.Read(buffer)
|
|
if n > 0 {
|
|
chunk := bytes.Clone(buffer[:n])
|
|
helps.AppendAPIResponseChunk(ctx, e.cfg, chunk)
|
|
observer.Feed(chunk)
|
|
select {
|
|
case out <- cliproxyexecutor.StreamChunk{Payload: chunk}:
|
|
case <-ctx.Done():
|
|
return
|
|
}
|
|
}
|
|
if errRead != nil {
|
|
if errRead != io.EOF {
|
|
helps.RecordAPIResponseError(ctx, e.cfg, errRead)
|
|
reporter.PublishFailure(ctx, errRead)
|
|
select {
|
|
case out <- cliproxyexecutor.StreamChunk{Err: errRead}:
|
|
case <-ctx.Done():
|
|
}
|
|
}
|
|
return
|
|
}
|
|
}
|
|
}()
|
|
return &cliproxyexecutor.StreamResult{Headers: httpResp.Header.Clone(), Chunks: out}, nil
|
|
}
|
|
|
|
func (e *OpenAICompatExecutor) CountTokens(ctx context.Context, auth *cliproxyauth.Auth, req cliproxyexecutor.Request, opts cliproxyexecutor.Options) (cliproxyexecutor.Response, error) {
|
|
baseModel := thinking.ParseSuffix(req.Model).ModelName
|
|
|
|
from := opts.SourceFormat
|
|
responseFormat := cliproxyexecutor.ResponseFormatOrSource(opts)
|
|
to := sdktranslator.FromString("openai")
|
|
isCompat := helps.APIKeyModelIsCompat(req)
|
|
translated, updatesChanged, err := helps.TranslateRequestWithAPIKeyModelCompatibilityAndUpdateIntent(ctx, opts.Headers, e.cfg, from, to, baseModel, req.Payload, false, isCompat)
|
|
if err != nil {
|
|
return cliproxyexecutor.Response{}, err
|
|
}
|
|
originalTranslatedForPayload := append([]byte(nil), translated...)
|
|
if len(opts.OriginalRequest) > 0 {
|
|
originalTranslatedForPayload, _, _ = helps.TranslateRequestWithAPIKeyModelCompatibilityAndUpdateIntent(ctx, opts.Headers, e.cfg, from, to, baseModel, opts.OriginalRequest, false, isCompat)
|
|
}
|
|
|
|
modelForCounting := baseModel
|
|
|
|
translated, err = helps.ApplyRequestThinking(translated, req, opts, from.String(), to.String(), e.Identifier(), updatesChanged)
|
|
if err != nil {
|
|
return cliproxyexecutor.Response{}, err
|
|
}
|
|
|
|
translated = helps.NewPayloadFinalizer(e.cfg, e.Identifier(), baseModel, to.String(), "", originalTranslatedForPayload, req, opts)(translated)
|
|
enc, err := helps.TokenizerForModel(modelForCounting)
|
|
if err != nil {
|
|
return cliproxyexecutor.Response{}, fmt.Errorf("openai compat executor: tokenizer init failed: %w", err)
|
|
}
|
|
|
|
count, err := helps.CountOpenAIChatTokens(enc, translated)
|
|
if err != nil {
|
|
return cliproxyexecutor.Response{}, fmt.Errorf("openai compat executor: token counting failed: %w", err)
|
|
}
|
|
|
|
usageJSON := helps.BuildOpenAIUsageJSON(count)
|
|
translatedUsage := sdktranslator.TranslateTokenCount(ctx, to, responseFormat, count, usageJSON)
|
|
return cliproxyexecutor.Response{Payload: translatedUsage}, nil
|
|
}
|
|
|
|
// Refresh is a no-op for API-key based compatibility providers.
|
|
// OAuth-style credentials with a refresh token cannot be rotated here; callers
|
|
// that need plugin/Home refresh must bind a refresh-capable executor instead.
|
|
func (e *OpenAICompatExecutor) Refresh(ctx context.Context, auth *cliproxyauth.Auth) (*cliproxyauth.Auth, error) {
|
|
log.Debugf("openai compat executor: refresh called")
|
|
if refreshed, handled, err := helps.RefreshAuthViaHome(ctx, e.cfg, auth); handled {
|
|
return refreshed, err
|
|
}
|
|
if openAICompatAuthHasRefreshToken(auth) {
|
|
provider := ""
|
|
if e != nil {
|
|
provider = e.Identifier()
|
|
}
|
|
if provider == "" && auth != nil {
|
|
provider = strings.TrimSpace(auth.Provider)
|
|
}
|
|
return nil, fmt.Errorf("openai compat executor cannot refresh oauth credentials for provider %s", provider)
|
|
}
|
|
return auth, nil
|
|
}
|
|
|
|
func openAICompatAuthHasRefreshToken(auth *cliproxyauth.Auth) bool {
|
|
if auth == nil || auth.Metadata == nil {
|
|
return false
|
|
}
|
|
if token, _ := auth.Metadata["refresh_token"].(string); strings.TrimSpace(token) != "" {
|
|
return true
|
|
}
|
|
if token, _ := auth.Metadata["refreshToken"].(string); strings.TrimSpace(token) != "" {
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
func openAICompatImageEndpointPath(opts cliproxyexecutor.Options) string {
|
|
if opts.SourceFormat.String() != openAICompatImageHandlerType {
|
|
return ""
|
|
}
|
|
path := helps.PayloadRequestPath(opts)
|
|
if strings.HasSuffix(path, "/images/edits") {
|
|
return openAICompatImagesEditsPath
|
|
}
|
|
if strings.HasSuffix(path, "/images/generations") {
|
|
return openAICompatImagesGenerationsPath
|
|
}
|
|
return openAICompatDefaultImageEndpoint
|
|
}
|
|
|
|
func prepareOpenAICompatImagesPayload(payload []byte, model string, contentType string, stream bool) ([]byte, string, error) {
|
|
model = strings.TrimSpace(model)
|
|
contentType = strings.TrimSpace(contentType)
|
|
if json.Valid(payload) {
|
|
if model != "" {
|
|
payload = helps.SetStringIfDifferent(payload, "model", model)
|
|
}
|
|
if stream {
|
|
payload = helps.SetBoolIfDifferent(payload, "stream", true)
|
|
} else {
|
|
payload, _ = sjson.DeleteBytes(payload, "stream")
|
|
}
|
|
return payload, "application/json", nil
|
|
}
|
|
|
|
mediaType, params, errParse := mime.ParseMediaType(contentType)
|
|
if errParse != nil || !strings.HasPrefix(strings.ToLower(strings.TrimSpace(mediaType)), "multipart/") {
|
|
return payload, contentType, nil
|
|
}
|
|
boundary := strings.TrimSpace(params["boundary"])
|
|
if boundary == "" {
|
|
return nil, "", fmt.Errorf("multipart boundary is missing")
|
|
}
|
|
return rewriteOpenAICompatImagesMultipartPayload(payload, model, boundary, stream)
|
|
}
|
|
|
|
func cloneOpenAICompatMIMEHeader(src textproto.MIMEHeader) textproto.MIMEHeader {
|
|
dst := make(textproto.MIMEHeader, len(src))
|
|
for key, values := range src {
|
|
dst[key] = append([]string(nil), values...)
|
|
}
|
|
return dst
|
|
}
|
|
|
|
func rewriteOpenAICompatImagesMultipartPayload(payload []byte, model string, boundary string, stream bool) ([]byte, string, error) {
|
|
reader := multipart.NewReader(bytes.NewReader(payload), boundary)
|
|
form, errRead := reader.ReadForm(openAICompatMultipartMemory)
|
|
if errRead != nil {
|
|
return nil, "", fmt.Errorf("read multipart form failed: %w", errRead)
|
|
}
|
|
defer func() {
|
|
if errRemove := form.RemoveAll(); errRemove != nil {
|
|
log.Errorf("openai compat executor: remove multipart form files error: %v", errRemove)
|
|
}
|
|
}()
|
|
|
|
var body bytes.Buffer
|
|
writer := multipart.NewWriter(&body)
|
|
if model != "" {
|
|
if errWrite := writer.WriteField("model", model); errWrite != nil {
|
|
return nil, "", fmt.Errorf("write model field failed: %w", errWrite)
|
|
}
|
|
}
|
|
if stream {
|
|
if errWrite := writer.WriteField("stream", "true"); errWrite != nil {
|
|
return nil, "", fmt.Errorf("write stream field failed: %w", errWrite)
|
|
}
|
|
}
|
|
for key, values := range form.Value {
|
|
if key == "model" || key == "stream" {
|
|
continue
|
|
}
|
|
for _, value := range values {
|
|
if errWrite := writer.WriteField(key, value); errWrite != nil {
|
|
return nil, "", fmt.Errorf("write form field %s failed: %w", key, errWrite)
|
|
}
|
|
}
|
|
}
|
|
for key, files := range form.File {
|
|
for _, fileHeader := range files {
|
|
if fileHeader == nil {
|
|
continue
|
|
}
|
|
header := cloneOpenAICompatMIMEHeader(fileHeader.Header)
|
|
header.Set("Content-Disposition", multipart.FileContentDisposition(key, fileHeader.Filename))
|
|
if header.Get("Content-Type") == "" {
|
|
header.Set("Content-Type", "application/octet-stream")
|
|
}
|
|
part, errCreate := writer.CreatePart(header)
|
|
if errCreate != nil {
|
|
return nil, "", fmt.Errorf("create file field %s failed: %w", key, errCreate)
|
|
}
|
|
src, errOpen := fileHeader.Open()
|
|
if errOpen != nil {
|
|
return nil, "", fmt.Errorf("open upload file failed: %w", errOpen)
|
|
}
|
|
_, errCopy := io.Copy(part, src)
|
|
if errClose := src.Close(); errClose != nil {
|
|
log.Errorf("openai compat executor: close upload file error: %v", errClose)
|
|
if errCopy == nil {
|
|
errCopy = errClose
|
|
}
|
|
}
|
|
if errCopy != nil {
|
|
return nil, "", fmt.Errorf("copy upload file failed: %w", errCopy)
|
|
}
|
|
}
|
|
}
|
|
if errClose := writer.Close(); errClose != nil {
|
|
return nil, "", fmt.Errorf("close multipart writer failed: %w", errClose)
|
|
}
|
|
return body.Bytes(), writer.FormDataContentType(), nil
|
|
}
|
|
|
|
func (e *OpenAICompatExecutor) applyPromptCacheKey(ctx context.Context, auth *cliproxyauth.Auth, from sdktranslator.Format, baseModel string, req cliproxyexecutor.Request, opts cliproxyexecutor.Options, translated []byte) ([]byte, error) {
|
|
compat := e.resolveCompatConfig(auth, req)
|
|
if compat == nil || !compat.SupportPromptCacheKey {
|
|
return translated, nil
|
|
}
|
|
|
|
for _, payload := range [][]byte{req.Payload, opts.OriginalRequest, translated} {
|
|
if promptCacheKey := strings.TrimSpace(gjson.GetBytes(payload, "prompt_cache_key").String()); promptCacheKey != "" {
|
|
return helps.SetStringIfDifferent(translated, "prompt_cache_key", promptCacheKey), nil
|
|
}
|
|
}
|
|
|
|
modelName := strings.TrimSpace(gjson.GetBytes(translated, "model").String())
|
|
if modelName == "" {
|
|
modelName = baseModel
|
|
}
|
|
if sourceFormatEqual(from, sdktranslator.FormatClaude) {
|
|
cached, ok, errCache := helps.ClaudeCodePromptCache(ctx, modelName, req.Payload, opts.Headers)
|
|
if errCache != nil {
|
|
return translated, errCache
|
|
}
|
|
if ok {
|
|
return helps.SetStringIfDifferent(translated, "prompt_cache_key", cached.ID), nil
|
|
}
|
|
}
|
|
|
|
sessionID := helps.ProviderSessionUUID(e.provider, opts.Metadata, req.Metadata)
|
|
if sessionID == "" {
|
|
return translated, nil
|
|
}
|
|
provider := strings.TrimSpace(e.provider)
|
|
if provider == "" {
|
|
provider = strings.TrimSpace(compat.Name)
|
|
}
|
|
identity := strings.Join([]string{
|
|
"cli-proxy-api:openai-compat:prompt-cache",
|
|
strings.ToLower(provider),
|
|
strings.ToLower(modelName),
|
|
strings.ToLower(strings.TrimSpace(from.String())),
|
|
sessionID,
|
|
}, "\x00")
|
|
promptCacheKey := uuid.NewSHA1(uuid.NameSpaceOID, []byte(identity)).String()
|
|
return helps.SetStringIfDifferent(translated, "prompt_cache_key", promptCacheKey), 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) resolveCompatConfig(auth *cliproxyauth.Auth, req cliproxyexecutor.Request) *config.OpenAICompatibility {
|
|
if auth == nil || e.cfg == nil {
|
|
return nil
|
|
}
|
|
if e.cfg.Home.Enabled {
|
|
// Home excludes provider credentials from the global configuration. These
|
|
// non-secret options belong to the credential selected for this attempt.
|
|
var options struct {
|
|
SupportPromptCacheKey bool `json:"support-prompt-cache-key"`
|
|
Models []config.OpenAICompatibilityModel `json:"models"`
|
|
}
|
|
present := false
|
|
if rawOptions, exists := auth.Metadata["credential_options"]; exists {
|
|
if data, errMarshal := json.Marshal(rawOptions); errMarshal == nil {
|
|
present = json.Unmarshal(data, &options) == nil
|
|
}
|
|
}
|
|
if raw, exists := auth.Attributes["support_prompt_cache_key"]; exists {
|
|
if value, errParse := strconv.ParseBool(raw); errParse == nil {
|
|
options.SupportPromptCacheKey = value
|
|
present = true
|
|
}
|
|
}
|
|
if model, ok := cliproxyauth.ResolvedHomeModelOptions(req); ok {
|
|
options.Models = []config.OpenAICompatibilityModel{model}
|
|
present = true
|
|
}
|
|
if present {
|
|
return &config.OpenAICompatibility{
|
|
Name: auth.Attributes["compat_name"],
|
|
SupportPromptCacheKey: options.SupportPromptCacheKey,
|
|
Models: options.Models,
|
|
}
|
|
}
|
|
}
|
|
if auth.AuthSourceKind() == cliproxyauth.AuthSourceConfig && auth.Attributes != nil {
|
|
if rawIndex := strings.TrimSpace(auth.Attributes["config_index"]); rawIndex != "" {
|
|
configIndex, errIndex := strconv.Atoi(rawIndex)
|
|
if errIndex == nil && configIndex >= 0 && configIndex < len(e.cfg.OpenAICompatibility) {
|
|
compat := &e.cfg.OpenAICompatibility[configIndex]
|
|
if !compat.Disabled {
|
|
return compat
|
|
}
|
|
}
|
|
}
|
|
}
|
|
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]
|
|
if compat.Disabled {
|
|
continue
|
|
}
|
|
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
|
|
}
|
|
return helps.SetStringIfDifferent(payload, "model", model)
|
|
}
|
|
|
|
func openAICompatErrorEvent(eventName string) bool {
|
|
return strings.EqualFold(eventName, "error") || strings.EqualFold(eventName, "response.error") || strings.EqualFold(eventName, "response.failed")
|
|
}
|
|
|
|
func openAICompatStreamDataError(payload []byte, eventName string) (statusErr, bool) {
|
|
if len(payload) == 0 || !json.Valid(payload) {
|
|
return statusErr{}, false
|
|
}
|
|
payloadType := gjson.GetBytes(payload, "type").String()
|
|
hasError := false
|
|
for _, path := range []string{"error", "response.error"} {
|
|
errorNode := gjson.GetBytes(payload, path)
|
|
if errorNode.Exists() && errorNode.Raw != "null" {
|
|
hasError = true
|
|
break
|
|
}
|
|
}
|
|
hasTopLevelErrorFields := gjson.GetBytes(payload, "code").Exists() && gjson.GetBytes(payload, "message").Exists()
|
|
if !hasError && !strings.EqualFold(payloadType, "error") && !strings.EqualFold(payloadType, "response.error") && !strings.EqualFold(payloadType, "response.failed") &&
|
|
!openAICompatErrorEvent(eventName) && !hasTopLevelErrorFields {
|
|
return statusErr{}, false
|
|
}
|
|
|
|
status := 0
|
|
for _, path := range []string{"status", "status_code", "error.status", "error.status_code", "response.error.status", "response.error.status_code"} {
|
|
status = int(gjson.GetBytes(payload, path).Int())
|
|
if status >= http.StatusBadRequest && status <= 599 {
|
|
break
|
|
}
|
|
}
|
|
if status < http.StatusBadRequest || status > 599 {
|
|
status = http.StatusBadGateway
|
|
}
|
|
return statusErr{code: status, msg: string(payload)}, true
|
|
}
|
|
|
|
type statusErr struct {
|
|
code int
|
|
msg string
|
|
retryAfter *time.Duration
|
|
credentialScoped bool
|
|
}
|
|
|
|
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 }
|
|
func (e statusErr) RetryAfter() *time.Duration { return e.retryAfter }
|
|
func (e statusErr) IsCredentialScoped() bool { return e.credentialScoped }
|
|
|
|
const openAICompatTPMFallbackRetryAfter = time.Minute
|
|
|
|
func newOpenAICompatStatusError(status int, headers http.Header, body []byte) statusErr {
|
|
return statusErr{
|
|
code: status,
|
|
msg: string(body),
|
|
retryAfter: openAICompatRetryAfter(status, headers, body, time.Now()),
|
|
}
|
|
}
|
|
|
|
// openAICompatRetryAfter preserves the provider's standard Retry-After signal.
|
|
// Some OpenAI-compatible providers omit that header for explicit per-minute
|
|
// token limits; in that narrow case a one-minute fallback prevents immediate
|
|
// replay of the same large request while keeping the retry wait bounded.
|
|
func openAICompatRetryAfter(status int, headers http.Header, body []byte, now time.Time) *time.Duration {
|
|
if status != http.StatusTooManyRequests {
|
|
return nil
|
|
}
|
|
if raw := strings.TrimSpace(headers.Get("Retry-After")); raw != "" {
|
|
if seconds, errParse := strconv.ParseInt(raw, 10, 64); errParse == nil && seconds >= 0 {
|
|
delay := time.Duration(seconds) * time.Second
|
|
return &delay
|
|
}
|
|
if deadline, errParse := http.ParseTime(raw); errParse == nil {
|
|
delay := deadline.Sub(now)
|
|
if delay < 0 {
|
|
delay = 0
|
|
}
|
|
return &delay
|
|
}
|
|
}
|
|
|
|
code := strings.ToLower(strings.TrimSpace(gjson.GetBytes(body, "error.code").String()))
|
|
message := strings.ToLower(strings.TrimSpace(gjson.GetBytes(body, "error.message").String()))
|
|
if strings.Contains(code, "tpmratelimitexceeded") ||
|
|
(strings.Contains(message, "tokens per minute") && strings.Contains(message, "limit") && strings.Contains(message, "exceeded")) {
|
|
delay := openAICompatTPMFallbackRetryAfter
|
|
return &delay
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// SupportsApplyPatch reports the actual executor contract, independent of its provider name.
|
|
func (e *OpenAICompatExecutor) SupportsApplyPatch() bool { return e != nil }
|