package executor import (	"bufio"	"bytes"	"context"	"fmt"	"io"	"net/http"	"sort"	"strings"	"time" 	codexauth "github.com/router-for-me/CLIProxyAPI/v6/internal/auth/codex"	"github.com/router-for-me/CLIProxyAPI/v6/internal/config"	"github.com/router-for-me/CLIProxyAPI/v6/internal/misc"	"github.com/router-for-me/CLIProxyAPI/v6/internal/runtime/executor/helps"	"github.com/router-for-me/CLIProxyAPI/v6/internal/thinking"	"github.com/router-for-me/CLIProxyAPI/v6/internal/util"	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/gjson"	"github.com/tidwall/sjson"	"github.com/tiktoken-go/tokenizer" 	"github.com/gin-gonic/gin"	"github.com/google/uuid") const (	codexUserAgent             = "codex-tui/0.118.0 (Mac OS 26.3.1; arm64) iTerm.app/3.6.9 (codex-tui; 0.118.0)"	codexOriginator            = "codex-tui"	codexDefaultImageToolModel = "gpt-image-2") var dataTag = []byte("data:") // Streamed Codex responses may emit response.output_item.done events while leaving// response.completed.response.output empty. Keep the stream path aligned with the// already-patched non-stream path by reconstructing response.output from those items.func collectCodexOutputItemDone(eventData []byte, outputItemsByIndex map[int64][]byte, outputItemsFallback *[][]byte) {	itemResult := gjson.GetBytes(eventData, "item")	if !itemResult.Exists() || itemResult.Type != gjson.JSON {		return	}	outputIndexResult := gjson.GetBytes(eventData, "output_index")	if outputIndexResult.Exists() {		outputItemsByIndex[outputIndexResult.Int()] = []byte(itemResult.Raw)		return	}	*outputItemsFallback = append(*outputItemsFallback, []byte(itemResult.Raw))} func patchCodexCompletedOutput(eventData []byte, outputItemsByIndex map[int64][]byte, outputItemsFallback [][]byte) []byte {	outputResult := gjson.GetBytes(eventData, "response.output")	shouldPatchOutput := (!outputResult.Exists() || !outputResult.IsArray() || len(outputResult.Array()) == 0) && (len(outputItemsByIndex) > 0 || len(outputItemsFallback) > 0)	if !shouldPatchOutput {		return eventData	} 	indexes := make([]int64, 0, len(outputItemsByIndex))	for idx := range outputItemsByIndex {		indexes = append(indexes, idx)	}	sort.Slice(indexes, func(i, j int) bool {		return indexes[i] < indexes[j]	}) 	items := make([][]byte, 0, len(outputItemsByIndex)+len(outputItemsFallback))	for _, idx := range indexes {		items = append(items, outputItemsByIndex[idx])	}	items = append(items, outputItemsFallback...) 	outputArray := []byte("[]")	if len(items) > 0 {		var buf bytes.Buffer		totalLen := 2		for _, item := range items {			totalLen += len(item)		}		if len(items) > 1 {			totalLen += len(items) - 1		}		buf.Grow(totalLen)		buf.WriteByte('[')		for i, item := range items {			if i > 0 {				buf.WriteByte(',')			}			buf.Write(item)		}		buf.WriteByte(']')		outputArray = buf.Bytes()	} 	completedDataPatched, _ := sjson.SetRawBytes(eventData, "response.output", outputArray)	return completedDataPatched} // CodexExecutor is a stateless executor for Codex (OpenAI Responses API entrypoint).// If api_key is unavailable on auth, it falls back to legacy via ClientAdapter.type CodexExecutor struct {	cfg *config.Config} func NewCodexExecutor(cfg *config.Config) *CodexExecutor { return &CodexExecutor{cfg: cfg} } func (e *CodexExecutor) Identifier() string { return "codex" } // PrepareRequest injects Codex credentials into the outgoing HTTP request.func (e *CodexExecutor) PrepareRequest(req *http.Request, auth *cliproxyauth.Auth) error {	if req == nil {		return nil	}	apiKey, _ := codexCreds(auth)	if strings.TrimSpace(apiKey) != "" {		req.Header.Set("Authorization", "Bearer "+apiKey)	}	var attrs map[string]string	if auth != nil {		attrs = auth.Attributes	}	util.ApplyCustomHeadersFromAttrs(req, attrs)	return nil} // HttpRequest injects Codex credentials into the request and executes it.func (e *CodexExecutor) HttpRequest(ctx context.Context, auth *cliproxyauth.Auth, req *http.Request) (*http.Response, error) {	if req == nil {		return nil, fmt.Errorf("codex executor: request is nil")	}	if ctx == nil {		ctx = req.Context()	}	httpReq := req.WithContext(ctx)	if err := e.PrepareRequest(httpReq, auth); err != nil {		return nil, err	}	httpClient := helps.NewProxyAwareHTTPClient(ctx, e.cfg, auth, 0)	return httpClient.Do(httpReq)} func (e *CodexExecutor) Execute(ctx context.Context, auth *cliproxyauth.Auth, req cliproxyexecutor.Request, opts cliproxyexecutor.Options) (resp cliproxyexecutor.Response, err error) {	if opts.Alt == "responses/compact" {		return e.executeCompact(ctx, auth, req, opts)	}	baseModel := thinking.ParseSuffix(req.Model).ModelName 	apiKey, baseURL := codexCreds(auth)	if baseURL == "" {		baseURL = "https://chatgpt.com/backend-api/codex"	} 	reporter := helps.NewUsageReporter(ctx, e.Identifier(), baseModel, auth)	defer reporter.TrackFailure(ctx, &err) 	from := opts.SourceFormat	to := sdktranslator.FromString("codex")	originalPayloadSource := req.Payload	if len(opts.OriginalRequest) > 0 {		originalPayloadSource = opts.OriginalRequest	}	originalPayload := originalPayloadSource	originalTranslated := sdktranslator.TranslateRequest(from, to, baseModel, originalPayload, false)	body := sdktranslator.TranslateRequest(from, to, baseModel, req.Payload, false) 	body, err = thinking.ApplyThinking(body, req.Model, from.String(), to.String(), e.Identifier())	if err != nil {		return resp, err	} 	requestedModel := helps.PayloadRequestedModel(opts, req.Model)	body = helps.ApplyPayloadConfigWithRoot(e.cfg, baseModel, to.String(), "", body, originalTranslated, requestedModel)	body, _ = sjson.SetBytes(body, "model", baseModel)	body, _ = sjson.SetBytes(body, "stream", true)	body, _ = sjson.DeleteBytes(body, "previous_response_id")	body, _ = sjson.DeleteBytes(body, "prompt_cache_retention")	body, _ = sjson.DeleteBytes(body, "safety_identifier")	body, _ = sjson.DeleteBytes(body, "stream_options")	body = normalizeCodexInstructions(body)	body = ensureImageGenerationTool(body, baseModel, auth) 	url := strings.TrimSuffix(baseURL, "/") + "/responses"	httpReq, err := e.cacheHelper(ctx, from, url, req, body)	if err != nil {		return resp, err	}	applyCodexHeaders(httpReq, auth, apiKey, true, e.cfg)	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:      body,		Provider:  e.Identifier(),		AuthID:    authID,		AuthLabel: authLabel,		AuthType:  authType,		AuthValue: authValue,	})	httpClient := helps.NewProxyAwareHTTPClient(ctx, e.cfg, auth, 0)	httpResp, err := httpClient.Do(httpReq)	if err != nil {		helps.RecordAPIResponseError(ctx, e.cfg, err)		return resp, err	}	defer func() {		if errClose := httpResp.Body.Close(); errClose != nil {			log.Errorf("codex executor: close response body error: %v", errClose)		}	}()	helps.RecordAPIResponseMetadata(ctx, e.cfg, httpResp.StatusCode, httpResp.Header.Clone())	if httpResp.StatusCode < 200 || httpResp.StatusCode >= 300 {		b, _ := io.ReadAll(httpResp.Body)		helps.AppendAPIResponseChunk(ctx, e.cfg, b)		helps.LogWithRequestID(ctx).Debugf("request error, error status: %d, error message: %s", httpResp.StatusCode, helps.SummarizeErrorBody(httpResp.Header.Get("Content-Type"), b))		err = newCodexStatusErr(httpResp.StatusCode, b)		return resp, err	}	data, err := io.ReadAll(httpResp.Body)	if err != nil {		helps.RecordAPIResponseError(ctx, e.cfg, err)		return resp, err	}	helps.AppendAPIResponseChunk(ctx, e.cfg, data) 	lines := bytes.Split(data, []byte("\n"))	outputItemsByIndex := make(map[int64][]byte)	var outputItemsFallback [][]byte	for _, line := range lines {		if !bytes.HasPrefix(line, dataTag) {			continue		} 		eventData := bytes.TrimSpace(line[5:])		eventType := gjson.GetBytes(eventData, "type").String() 		if eventType == "response.output_item.done" {			itemResult := gjson.GetBytes(eventData, "item")			if !itemResult.Exists() || itemResult.Type != gjson.JSON {				continue			}			outputIndexResult := gjson.GetBytes(eventData, "output_index")			if outputIndexResult.Exists() {				outputItemsByIndex[outputIndexResult.Int()] = []byte(itemResult.Raw)			} else {				outputItemsFallback = append(outputItemsFallback, []byte(itemResult.Raw))			}			continue		} 		if eventType != "response.completed" {			continue		} 		if detail, ok := helps.ParseCodexUsage(eventData); ok {			reporter.Publish(ctx, detail)		}		publishCodexImageToolUsage(ctx, reporter, body, eventData) 		completedData := eventData		outputResult := gjson.GetBytes(completedData, "response.output")		shouldPatchOutput := (!outputResult.Exists() || !outputResult.IsArray() || len(outputResult.Array()) == 0) && (len(outputItemsByIndex) > 0 || len(outputItemsFallback) > 0)		if shouldPatchOutput {			completedDataPatched := completedData			completedDataPatched, _ = sjson.SetRawBytes(completedDataPatched, "response.output", []byte(`[]`)) 			indexes := make([]int64, 0, len(outputItemsByIndex))			for idx := range outputItemsByIndex {				indexes = append(indexes, idx)			}			sort.Slice(indexes, func(i, j int) bool {				return indexes[i] < indexes[j]			})			for _, idx := range indexes {				completedDataPatched, _ = sjson.SetRawBytes(completedDataPatched, "response.output.-1", outputItemsByIndex[idx])			}			for _, item := range outputItemsFallback {				completedDataPatched, _ = sjson.SetRawBytes(completedDataPatched, "response.output.-1", item)			}			completedData = completedDataPatched		} 		var param any		out := sdktranslator.TranslateNonStream(ctx, to, from, req.Model, originalPayload, body, completedData, &param)		resp = cliproxyexecutor.Response{Payload: out, Headers: httpResp.Header.Clone()}		return resp, nil	}	err = statusErr{code: 408, msg: "stream error: stream disconnected before completion: stream closed before response.completed"}	return resp, err} func (e *CodexExecutor) executeCompact(ctx context.Context, auth *cliproxyauth.Auth, req cliproxyexecutor.Request, opts cliproxyexecutor.Options) (resp cliproxyexecutor.Response, err error) {	baseModel := thinking.ParseSuffix(req.Model).ModelName 	apiKey, baseURL := codexCreds(auth)	if baseURL == "" {		baseURL = "https://chatgpt.com/backend-api/codex"	} 	reporter := helps.NewUsageReporter(ctx, e.Identifier(), baseModel, auth)	defer reporter.TrackFailure(ctx, &err) 	from := opts.SourceFormat	to := sdktranslator.FromString("openai-response")	originalPayloadSource := req.Payload	if len(opts.OriginalRequest) > 0 {		originalPayloadSource = opts.OriginalRequest	}	originalPayload := originalPayloadSource	originalTranslated := sdktranslator.TranslateRequest(from, to, baseModel, originalPayload, false)	body := sdktranslator.TranslateRequest(from, to, baseModel, req.Payload, false) 	body, err = thinking.ApplyThinking(body, req.Model, from.String(), to.String(), e.Identifier())	if err != nil {		return resp, err	} 	requestedModel := helps.PayloadRequestedModel(opts, req.Model)	body = helps.ApplyPayloadConfigWithRoot(e.cfg, baseModel, to.String(), "", body, originalTranslated, requestedModel)	body, _ = sjson.SetBytes(body, "model", baseModel)	body, _ = sjson.DeleteBytes(body, "stream")	body = normalizeCodexInstructions(body)	body = ensureImageGenerationTool(body, baseModel, auth) 	url := strings.TrimSuffix(baseURL, "/") + "/responses/compact"	httpReq, err := e.cacheHelper(ctx, from, url, req, body)	if err != nil {		return resp, err	}	applyCodexHeaders(httpReq, auth, apiKey, false, e.cfg)	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:      body,		Provider:  e.Identifier(),		AuthID:    authID,		AuthLabel: authLabel,		AuthType:  authType,		AuthValue: authValue,	})	httpClient := helps.NewProxyAwareHTTPClient(ctx, e.cfg, auth, 0)	httpResp, err := httpClient.Do(httpReq)	if err != nil {		helps.RecordAPIResponseError(ctx, e.cfg, err)		return resp, err	}	defer func() {		if errClose := httpResp.Body.Close(); errClose != nil {			log.Errorf("codex executor: close response body error: %v", errClose)		}	}()	helps.RecordAPIResponseMetadata(ctx, e.cfg, httpResp.StatusCode, httpResp.Header.Clone())	if httpResp.StatusCode < 200 || httpResp.StatusCode >= 300 {		b, _ := io.ReadAll(httpResp.Body)		helps.AppendAPIResponseChunk(ctx, e.cfg, b)		helps.LogWithRequestID(ctx).Debugf("request error, error status: %d, error message: %s", httpResp.StatusCode, helps.SummarizeErrorBody(httpResp.Header.Get("Content-Type"), b))		err = newCodexStatusErr(httpResp.StatusCode, b)		return resp, err	}	data, err := io.ReadAll(httpResp.Body)	if err != nil {		helps.RecordAPIResponseError(ctx, e.cfg, err)		return resp, err	}	helps.AppendAPIResponseChunk(ctx, e.cfg, data)	reporter.Publish(ctx, helps.ParseOpenAIUsage(data))	reporter.EnsurePublished(ctx)	var param any	out := sdktranslator.TranslateNonStream(ctx, to, from, req.Model, originalPayload, body, data, &param)	resp = cliproxyexecutor.Response{Payload: out, Headers: httpResp.Header.Clone()}	return resp, nil} func (e *CodexExecutor) ExecuteStream(ctx context.Context, auth *cliproxyauth.Auth, req cliproxyexecutor.Request, opts cliproxyexecutor.Options) (_ *cliproxyexecutor.StreamResult, err error) {	if opts.Alt == "responses/compact" {		return nil, statusErr{code: http.StatusBadRequest, msg: "streaming not supported for /responses/compact"}	}	baseModel := thinking.ParseSuffix(req.Model).ModelName 	apiKey, baseURL := codexCreds(auth)	if baseURL == "" {		baseURL = "https://chatgpt.com/backend-api/codex"	} 	reporter := helps.NewUsageReporter(ctx, e.Identifier(), baseModel, auth)	defer reporter.TrackFailure(ctx, &err) 	from := opts.SourceFormat	to := sdktranslator.FromString("codex")	originalPayloadSource := req.Payload	if len(opts.OriginalRequest) > 0 {		originalPayloadSource = opts.OriginalRequest	}	originalPayload := originalPayloadSource	originalTranslated := sdktranslator.TranslateRequest(from, to, baseModel, originalPayload, true)	body := sdktranslator.TranslateRequest(from, to, baseModel, req.Payload, true) 	body, err = thinking.ApplyThinking(body, req.Model, from.String(), to.String(), e.Identifier())	if err != nil {		return nil, err	} 	requestedModel := helps.PayloadRequestedModel(opts, req.Model)	body = helps.ApplyPayloadConfigWithRoot(e.cfg, baseModel, to.String(), "", body, originalTranslated, requestedModel)	body, _ = sjson.DeleteBytes(body, "previous_response_id")	body, _ = sjson.DeleteBytes(body, "prompt_cache_retention")	body, _ = sjson.DeleteBytes(body, "safety_identifier")	body, _ = sjson.DeleteBytes(body, "stream_options")	body, _ = sjson.SetBytes(body, "model", baseModel)	body = normalizeCodexInstructions(body)	body = ensureImageGenerationTool(body, baseModel, auth) 	url := strings.TrimSuffix(baseURL, "/") + "/responses"	httpReq, err := e.cacheHelper(ctx, from, url, req, body)	if err != nil {		return nil, err	}	applyCodexHeaders(httpReq, auth, apiKey, true, e.cfg)	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:      body,		Provider:  e.Identifier(),		AuthID:    authID,		AuthLabel: authLabel,		AuthType:  authType,		AuthValue: authValue,	}) 	httpClient := helps.NewProxyAwareHTTPClient(ctx, e.cfg, auth, 0)	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 {		data, readErr := io.ReadAll(httpResp.Body)		if errClose := httpResp.Body.Close(); errClose != nil {			log.Errorf("codex executor: close response body error: %v", errClose)		}		if readErr != nil {			helps.RecordAPIResponseError(ctx, e.cfg, readErr)			return nil, readErr		}		helps.AppendAPIResponseChunk(ctx, e.cfg, data)		helps.LogWithRequestID(ctx).Debugf("request error, error status: %d, error message: %s", httpResp.StatusCode, helps.SummarizeErrorBody(httpResp.Header.Get("Content-Type"), data))		err = newCodexStatusErr(httpResp.StatusCode, data)		return nil, err	}	out := make(chan cliproxyexecutor.StreamChunk)	go func() {		defer close(out)		defer func() {			if errClose := httpResp.Body.Close(); errClose != nil {				log.Errorf("codex executor: close response body error: %v", errClose)			}		}()		scanner := bufio.NewScanner(httpResp.Body)		scanner.Buffer(nil, 52_428_800) // 50MB		var param any		outputItemsByIndex := make(map[int64][]byte)		var outputItemsFallback [][]byte		for scanner.Scan() {			line := scanner.Bytes()			helps.AppendAPIResponseChunk(ctx, e.cfg, line)			translatedLine := bytes.Clone(line) 			if bytes.HasPrefix(line, dataTag) {				data := bytes.TrimSpace(line[5:])				switch gjson.GetBytes(data, "type").String() {				case "response.output_item.done":					collectCodexOutputItemDone(data, outputItemsByIndex, &outputItemsFallback)				case "response.completed":					if detail, ok := helps.ParseCodexUsage(data); ok {						reporter.Publish(ctx, detail)					}

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