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at commit 291cfb87
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import ( "bufio" "bytes" "context" "encoding/json" "errors" "fmt" "io" "net/http" "strings" "time"
"github.com/router-for-me/CLIProxyAPI/v7/internal/runtime/executor/helps" "github.com/router-for-me/CLIProxyAPI/v7/internal/thinking" cliproxyauth "github.com/router-for-me/CLIProxyAPI/v7/sdk/cliproxy/auth" cliproxyexecutor "github.com/router-for-me/CLIProxyAPI/v7/sdk/cliproxy/executor" sdktranslator "github.com/router-for-me/CLIProxyAPI/v7/sdk/translator" log "github.com/sirupsen/logrus" "github.com/tidwall/gjson" "github.com/tidwall/sjson")
// Execute performs a non-streaming request to the Antigravity API.func (e *AntigravityExecutor) Execute(ctx context.Context, auth *cliproxyauth.Auth, req cliproxyexecutor.Request, opts cliproxyexecutor.Options) (resp cliproxyexecutor.Response, err error) { if opts.Alt == "responses/compact" { return resp, statusErr{code: http.StatusNotImplemented, msg: "/responses/compact not supported"} } baseModel := thinking.ParseSuffix(req.Model).ModelName if !antigravityCoolingDisabled(auth, e.cfg) { if inCooldown, remaining, errCooldown := antigravityIsInShortCooldownRequired(ctx, auth, baseModel, time.Now()); errCooldown != nil { return resp, homeKVUnavailableStatusErr(errCooldown) } else if inCooldown && !antigravityShouldBypassShortCooldown(ctx, e.cfg) { log.Debugf("antigravity executor: auth %s in short cooldown for model %s (%s remaining), returning 429 to switch auth", auth.ID, baseModel, remaining) d := remaining return resp, statusErr{code: http.StatusTooManyRequests, msg: fmt.Sprintf("auth in short cooldown, %s remaining", remaining), retryAfter: &d} } }
isClaude := strings.Contains(strings.ToLower(baseModel), "claude") if isClaude || strings.Contains(baseModel, "gemini-3-pro") || strings.Contains(baseModel, "gemini-3.1-flash-image") { return e.executeClaudeNonStream(ctx, auth, req, opts) }
reporter := helps.NewExecutorUsageReporter(ctx, e, baseModel, auth) defer reporter.TrackFailure(ctx, &err)
from := opts.SourceFormat responseFormat := cliproxyexecutor.ResponseFormatOrSource(opts) to := sdktranslator.FromString("antigravity")
originalPayloadSource := req.Payload if len(opts.OriginalRequest) > 0 { originalPayloadSource = opts.OriginalRequest } originalPayload := originalPayloadSource originalPayload, errValidate := validateAntigravityRequestSignatures(ctx, baseModel, from, originalPayload) if errValidate != nil { return resp, errValidate } req.Payload = originalPayload token, updatedAuth, errToken := e.ensureAccessToken(ctx, auth) if errToken != nil { return resp, errToken } if updatedAuth != nil { auth = updatedAuth reporter.UpdateAccessTokenFingerprint(auth) } originalTranslated, translated := helps.TranslateRequestPairWithCodexMultiAgentV2(ctx, opts.Headers, e.cfg, from, to, baseModel, originalPayload, req.Payload, false)
translated, err = helps.ApplyRequestThinking(translated, req, opts, from.String(), to.String(), e.Identifier()) if err != nil { return resp, err }
requestedModel := helps.PayloadRequestedModel(opts, req.Model) requestPath := helps.PayloadRequestPath(opts) translated = helps.ApplyPayloadConfigWithRequest(e.cfg, baseModel, "antigravity", from.String(), "request", translated, originalTranslated, requestedModel, requestPath, opts.Headers) translated = e.obfuscateSensitiveWords(translated) translated = sanitizeAntigravityGeminiRequestSignatures(baseModel, translated) reporter.SetTranslatedReasoningEffort(translated, to.String())
useCredits := cliproxyauth.AntigravityCreditsRequested(ctx) && antigravityCreditsRetryEnabled(e.cfg)
baseURL := resolveAntigravityRequestBaseURL(auth) httpClient := newAntigravityHTTPClient(ctx, e.cfg, auth, 0) httpClient = reporter.TrackHTTPClient(httpClient) // Credential retry rounds are owned by the conductor. Perform one upstream // request per credential so request-retry is not consumed twice. requestPayload := translated if useCredits { if cp := injectEnabledCreditTypes(translated); len(cp) > 0 { requestPayload = cp helps.MarkCreditsUsed(ctx) } } replayScope := antigravityReasoningReplayScope{} if antigravityUsesReasoningReplayCache(baseModel) { var errReplay error requestPayload, replayScope, errReplay = prepareAntigravityGeminiReasoningReplayPayload(ctx, baseModel, req, opts, requestPayload) if errReplay != nil { err = errReplay return resp, err } } requestPayload = ensureAntigravityGeminiLeadingUserContent(baseModel, requestPayload)
httpReq, errReq := e.buildRequest(ctx, auth, token, baseModel, requestPayload, false, opts.Alt, baseURL, helps.DerivedAntigravitySessionID(opts.Metadata, req.Metadata)) if errReq != nil { err = errReq return resp, err }
httpResp, errDo := httpClient.Do(httpReq) if errDo != nil { helps.RecordAPIResponseError(ctx, e.cfg, errDo) if errors.Is(errDo, context.Canceled) || errors.Is(errDo, context.DeadlineExceeded) { return resp, errDo } err = errDo return resp, err }
helps.RecordAPIResponseMetadata(ctx, e.cfg, httpResp.StatusCode, httpResp.Header.Clone()) bodyBytes, errRead := io.ReadAll(httpResp.Body) if errClose := httpResp.Body.Close(); errClose != nil { log.Errorf("antigravity executor: close response body error: %v", errClose) } if errRead != nil { helps.RecordAPIResponseError(ctx, e.cfg, errRead) err = errRead return resp, err } helps.AppendAPIResponseChunk(ctx, e.cfg, bodyBytes)
if httpResp.StatusCode == http.StatusTooManyRequests { decision := decideAntigravity429(bodyBytes) switch decision.kind { case antigravity429DecisionShortCooldownSwitchAuth: if decision.retryAfter != nil && *decision.retryAfter > 0 && !antigravityCoolingDisabled(auth, e.cfg) { if errMarkCooldown := markAntigravityShortCooldownRequired(ctx, auth, baseModel, time.Now(), *decision.retryAfter); errMarkCooldown != nil { err = homeKVUnavailableStatusErr(errMarkCooldown) return resp, err } log.Debugf("antigravity executor: short quota cooldown (%s) for model %s, recorded cooldown", *decision.retryAfter, baseModel) } case antigravity429DecisionFullQuotaExhausted: if useCredits && antigravityHasExplicitCreditsBalanceExhaustedReason(bodyBytes) && !antigravityCoolingDisabled(auth, e.cfg) { markAntigravityCreditsPermanentlyDisabled(auth) } // No credits logic - just fall through to error return below } }
if httpResp.StatusCode < http.StatusOK || httpResp.StatusCode >= http.StatusMultipleChoices { log.Debugf("antigravity executor: upstream error status: %d, body: %s", httpResp.StatusCode, helps.SummarizeErrorBody(httpResp.Header.Get("Content-Type"), bodyBytes)) if errClear := clearAntigravityReasoningReplayOnInvalidSignature(ctx, replayScope, httpResp.StatusCode, bodyBytes); errClear != nil { // Report the upstream failure rather than the cleanup failure. logAntigravityReasoningReplayDegraded(replayScope, "invalidate", errClear) } err = newAntigravityStatusErr(httpResp.StatusCode, bodyBytes) return resp, err }
// Success if useCredits { clearAntigravityCreditsFailureState(auth) } cacheAntigravityReasoningReplayFromResponse(ctx, replayScope, requestPayload, bodyBytes) bodyBytes = e.resolveWebSearchGroundingURLs(ctx, auth, from, originalPayload, translated, bodyBytes) reporter.Publish(ctx, helps.ParseAntigravityUsage(bodyBytes)) var param any converted := sdktranslator.TranslateNonStream(ctx, to, responseFormat, req.Model, opts.OriginalRequest, translated, bodyBytes, ¶m) if responseFormat == sdktranslator.FormatOpenAIResponse { converted = helps.EnsureResponsesUsageDetails(converted) } resp = cliproxyexecutor.Response{Payload: converted, Headers: httpResp.Header.Clone()} reporter.EnsurePublished(ctx) return resp, nil}
// executeClaudeNonStream performs a claude non-streaming request to the Antigravity API.func (e *AntigravityExecutor) executeClaudeNonStream(ctx context.Context, auth *cliproxyauth.Auth, req cliproxyexecutor.Request, opts cliproxyexecutor.Options) (resp cliproxyexecutor.Response, err error) { baseModel := thinking.ParseSuffix(req.Model).ModelName if !antigravityCoolingDisabled(auth, e.cfg) { if inCooldown, remaining, errCooldown := antigravityIsInShortCooldownRequired(ctx, auth, baseModel, time.Now()); errCooldown != nil { return resp, homeKVUnavailableStatusErr(errCooldown) } else if inCooldown && !antigravityShouldBypassShortCooldown(ctx, e.cfg) { log.Debugf("antigravity executor: auth %s in short cooldown for model %s (%s remaining), returning 429 to switch auth", auth.ID, baseModel, remaining) d := remaining return resp, statusErr{code: http.StatusTooManyRequests, msg: fmt.Sprintf("auth in short cooldown, %s remaining", remaining), retryAfter: &d} } }
reporter := helps.NewExecutorUsageReporter(ctx, e, baseModel, auth) defer reporter.TrackFailure(ctx, &err)
from := opts.SourceFormat responseFormat := cliproxyexecutor.ResponseFormatOrSource(opts) to := sdktranslator.FromString("antigravity")
originalPayloadSource := req.Payload if len(opts.OriginalRequest) > 0 { originalPayloadSource = opts.OriginalRequest } originalPayload := originalPayloadSource originalPayload, errValidate := validateAntigravityRequestSignatures(ctx, baseModel, from, originalPayload) if errValidate != nil { return resp, errValidate } req.Payload = originalPayload token, updatedAuth, errToken := e.ensureAccessToken(ctx, auth) if errToken != nil { return resp, errToken } if updatedAuth != nil { auth = updatedAuth reporter.UpdateAccessTokenFingerprint(auth) } originalTranslated, translated := helps.TranslateRequestPairWithCodexMultiAgentV2(ctx, opts.Headers, e.cfg, from, to, baseModel, originalPayload, req.Payload, true)
translated, err = helps.ApplyRequestThinking(translated, req, opts, from.String(), to.String(), e.Identifier()) if err != nil { return resp, err }
requestedModel := helps.PayloadRequestedModel(opts, req.Model) requestPath := helps.PayloadRequestPath(opts) translated = helps.ApplyPayloadConfigWithRequest(e.cfg, baseModel, "antigravity", from.String(), "request", translated, originalTranslated, requestedModel, requestPath, opts.Headers) translated = e.obfuscateSensitiveWords(translated) translated = sanitizeAntigravityGeminiRequestSignatures(baseModel, translated) reporter.SetTranslatedReasoningEffort(translated, to.String())
useCredits := cliproxyauth.AntigravityCreditsRequested(ctx) && antigravityCreditsRetryEnabled(e.cfg)
baseURL := resolveAntigravityRequestBaseURL(auth) httpClient := newAntigravityHTTPClient(ctx, e.cfg, auth, 0) httpClient = reporter.TrackHTTPClient(httpClient)
// Credential retry rounds are owned by the conductor. Perform one upstream // request per credential so request-retry is not consumed twice. requestPayload := translated if useCredits { if cp := injectEnabledCreditTypes(translated); len(cp) > 0 { requestPayload = cp helps.MarkCreditsUsed(ctx) } } replayScope := antigravityReasoningReplayScope{} if antigravityUsesReasoningReplayCache(baseModel) { var errReplay error requestPayload, replayScope, errReplay = prepareAntigravityGeminiReasoningReplayPayload(ctx, baseModel, req, opts, requestPayload) if errReplay != nil { err = errReplay return resp, err } } requestPayload = ensureAntigravityGeminiLeadingUserContent(baseModel, requestPayload) httpReq, errReq := e.buildRequest(ctx, auth, token, baseModel, requestPayload, true, opts.Alt, baseURL, helps.DerivedAntigravitySessionID(opts.Metadata, req.Metadata)) if errReq != nil { err = errReq return resp, err }
httpResp, errDo := httpClient.Do(httpReq) if errDo != nil { helps.RecordAPIResponseError(ctx, e.cfg, errDo) if errors.Is(errDo, context.Canceled) || errors.Is(errDo, context.DeadlineExceeded) { return resp, errDo } err = errDo return resp, err } helps.RecordAPIResponseMetadata(ctx, e.cfg, httpResp.StatusCode, httpResp.Header.Clone()) if httpResp.StatusCode < http.StatusOK || httpResp.StatusCode >= http.StatusMultipleChoices { bodyBytes, errRead := io.ReadAll(httpResp.Body) if errClose := httpResp.Body.Close(); errClose != nil { log.Errorf("antigravity executor: close response body error: %v", errClose) } if errRead != nil { helps.RecordAPIResponseError(ctx, e.cfg, errRead) if errors.Is(errRead, context.Canceled) || errors.Is(errRead, context.DeadlineExceeded) { err = errRead return resp, err } if errCtx := ctx.Err(); errCtx != nil { err = errCtx return resp, err } err = errRead return resp, err } helps.AppendAPIResponseChunk(ctx, e.cfg, bodyBytes) if httpResp.StatusCode == http.StatusTooManyRequests { decision := decideAntigravity429(bodyBytes)
switch decision.kind { case antigravity429DecisionShortCooldownSwitchAuth: if decision.retryAfter != nil && *decision.retryAfter > 0 && !antigravityCoolingDisabled(auth, e.cfg) { if errMarkCooldown := markAntigravityShortCooldownRequired(ctx, auth, baseModel, time.Now(), *decision.retryAfter); errMarkCooldown != nil { err = homeKVUnavailableStatusErr(errMarkCooldown) return resp, err } log.Debugf("antigravity executor: short quota cooldown (%s) for model %s, recorded cooldown", *decision.retryAfter, baseModel) } case antigravity429DecisionFullQuotaExhausted: if useCredits && antigravityHasExplicitCreditsBalanceExhaustedReason(bodyBytes) && !antigravityCoolingDisabled(auth, e.cfg) { markAntigravityCreditsPermanentlyDisabled(auth) } // No credits logic - just fall through to error return below } }
if errClear := clearAntigravityReasoningReplayOnInvalidSignature(ctx, replayScope, httpResp.StatusCode, bodyBytes); errClear != nil { // Report the upstream failure rather than the cleanup failure. logAntigravityReasoningReplayDegraded(replayScope, "invalidate", errClear) } err = newAntigravityStatusErr(httpResp.StatusCode, bodyBytes) return resp, err }
// Stream success if useCredits { clearAntigravityCreditsFailureState(auth) } replayAccumulator := newAntigravityReasoningReplayAccumulator(replayScope, requestPayload) out := make(chan cliproxyexecutor.StreamChunk) go func(resp *http.Response) { defer close(out) defer func() { if errClose := resp.Body.Close(); errClose != nil { log.Errorf("antigravity executor: close response body error: %v", errClose) } }() scanner := bufio.NewScanner(resp.Body) scanner.Buffer(nil, streamScannerBuffer) for scanner.Scan() { line := scanner.Bytes() helps.AppendAPIResponseChunk(ctx, e.cfg, line) if replayAccumulator != nil { replayAccumulator.ObserveSSELine(line) }
// Filter usage metadata for all models // Only retain usage statistics in the terminal chunk line = helps.FilterSSEUsageMetadata(line)
payload := helps.JSONPayload(line) if payload == nil { continue }
if detail, ok := helps.ParseAntigravityStreamUsage(payload); ok { reporter.Publish(ctx, detail) }
out <- cliproxyexecutor.StreamChunk{Payload: payload} } if errScan := scanner.Err(); errScan != nil { helps.RecordAPIResponseError(ctx, e.cfg, errScan) reporter.PublishFailure(ctx, errScan) out <- cliproxyexecutor.StreamChunk{Err: errScan} } else { if replayAccumulator != nil { replayAccumulator.Commit(ctx) } reporter.EnsurePublished(ctx) } }(httpResp)
var buffer bytes.Buffer for chunk := range out { if chunk.Err != nil { return resp, chunk.Err } if len(chunk.Payload) > 0 { _, _ = buffer.Write(chunk.Payload) _, _ = buffer.Write([]byte("\n")) } } resp = cliproxyexecutor.Response{Payload: e.convertStreamToNonStream(buffer.Bytes())}
resp.Payload = e.resolveWebSearchGroundingURLs(ctx, auth, from, originalPayload, translated, resp.Payload) reporter.Publish(ctx, helps.ParseAntigravityUsage(resp.Payload)) var param any converted := sdktranslator.TranslateNonStream(ctx, to, responseFormat, req.Model, opts.OriginalRequest, translated, resp.Payload, ¶m) if responseFormat == sdktranslator.FormatOpenAIResponse { converted = helps.EnsureResponsesUsageDetails(converted) } resp = cliproxyexecutor.Response{Payload: converted, Headers: httpResp.Header.Clone()} reporter.EnsurePublished(ctx)
return resp, nil}
func (e *AntigravityExecutor) convertStreamToNonStream(stream []byte) []byte { responseTemplate := "" var traceID string var finishReason string var modelVersion string var responseID string var role string var usageRaw string parts := make([]map[string]interface{}, 0) var pendingKind string var pendingText strings.Builder var pendingThoughtSig string
flushPending := func() { if pendingKind == "" { return } text := pendingText.String() switch pendingKind { case "text": if strings.TrimSpace(text) == "" { pendingKind = "" pendingText.Reset() pendingThoughtSig = "" return } parts = append(parts, map[string]interface{}{"text": text}) case "thought": if strings.TrimSpace(text) == "" && pendingThoughtSig == "" { pendingKind = "" pendingText.Reset() pendingThoughtSig = "" return } part := map[string]interface{}{"thought": true} part["text"] = text if pendingThoughtSig != "" { part["thoughtSignature"] = pendingThoughtSig } parts = append(parts, part) } pendingKind = "" pendingText.Reset() pendingThoughtSig = "" }
normalizePart := func(partResult gjson.Result) map[string]interface{} { var m map[string]interface{} _ = json.Unmarshal([]byte(partResult.Raw), &m) if m == nil { m = map[string]interface{}{} } sig := partResult.Get("thoughtSignature").String() if sig == "" { sig = partResult.Get("thought_signature").String() } if sig != "" { m["thoughtSignature"] = sig delete(m, "thought_signature") } if inlineData, ok := m["inline_data"]; ok { m["inlineData"] = inlineData delete(m, "inline_data") } return m }
for _, line := range bytes.Split(stream, []byte("\n")) { trimmed := bytes.TrimSpace(line) if len(trimmed) == 0 || !gjson.ValidBytes(trimmed) { continue }
root := gjson.ParseBytes(trimmed) responseNode := root.Get("response") if !responseNode.Exists() { if root.Get("candidates").Exists() { responseNode = root } else { continue } } responseTemplate = responseNode.Raw
if traceResult := root.Get("traceId"); traceResult.Exists() && traceResult.String() != "" { traceID = traceResult.String() }
if roleResult := responseNode.Get("candidates.0.content.role"); roleResult.Exists() { role = roleResult.String() }
if finishResult := responseNode.Get("candidates.0.finishReason"); finishResult.Exists() && finishResult.String() != "" { finishReason = finishResult.String() }
if modelResult := responseNode.Get("modelVersion"); modelResult.Exists() && modelResult.String() != "" { modelVersion = modelResult.String() } if responseIDResult := responseNode.Get("responseId"); responseIDResult.Exists() && responseIDResult.String() != "" { responseID = responseIDResult.String() } if usageResult := responseNode.Get("usageMetadata"); usageResult.Exists() { usageRaw = usageResult.Raw } else if usageMetadataResult := root.Get("usageMetadata"); usageMetadataResult.Exists() { usageRaw = usageMetadataResult.Raw }
if partsResult := responseNode.Get("candidates.0.content.parts"); partsResult.IsArray() { for _, part := range partsResult.Array() { hasFunctionCall := part.Get("functionCall").Exists() hasInlineData := part.Get("inlineData").Exists() || part.Get("inline_data").Exists() sig := part.Get("thoughtSignature").String() if sig == "" { sig = part.Get("thought_signature").String() } text := part.Get("text").String() thought := part.Get("thought").Bool()
if hasFunctionCall || hasInlineData { flushPending() parts = append(parts, normalizePart(part)) continue }
if thought || part.Get("text").Exists() { kind := "text" if thought { kind = "thought" } if pendingKind != "" && pendingKind != kind { flushPending() } pendingKind = kind pendingText.WriteString(text) if kind == "thought" && sig != "" { pendingThoughtSig = sig } continue }
flushPending() parts = append(parts, normalizePart(part)) } } } flushPending()
if responseTemplate == "" { responseTemplate = `{"candidates":[{"content":{"role":"model","parts":[]}}]}` }
partsJSON, _ := json.Marshal(parts) updatedTemplate, _ := sjson.SetRawBytes([]byte(responseTemplate), "candidates.0.content.parts", partsJSON) responseTemplate = string(updatedTemplate) if role != "" { updatedTemplate, _ = sjson.SetBytes([]byte(responseTemplate), "candidates.0.content.role", role) responseTemplate = string(updatedTemplate) } if finishReason != "" { updatedTemplate, _ = sjson.SetBytes([]byte(responseTemplate), "candidates.0.finishReason", finishReason) responseTemplate = string(updatedTemplate) } if modelVersion != "" { updatedTemplate, _ = sjson.SetBytes([]byte(responseTemplate), "modelVersion", modelVersion) responseTemplate = string(updatedTemplate) } if responseID != "" { updatedTemplate, _ = sjson.SetBytes([]byte(responseTemplate), "responseId", responseID) responseTemplate = string(updatedTemplate) } if usageRaw != "" { updatedTemplate, _ = sjson.SetRawBytes([]byte(responseTemplate), "usageMetadata", []byte(usageRaw)) responseTemplate = string(updatedTemplate) } else if !gjson.Get(responseTemplate, "usageMetadata").Exists() { updatedTemplate, _ = sjson.SetBytes([]byte(responseTemplate), "usageMetadata.promptTokenCount", 0) responseTemplate = string(updatedTemplate) updatedTemplate, _ = sjson.SetBytes([]byte(responseTemplate), "usageMetadata.candidatesTokenCount", 0) responseTemplate = string(updatedTemplate) updatedTemplate, _ = sjson.SetBytes([]byte(responseTemplate), "usageMetadata.totalTokenCount", 0) responseTemplate = string(updatedTemplate) }
output := `{"response":{},"traceId":""}` updatedOutput, _ := sjson.SetRawBytes([]byte(output), "response", []byte(responseTemplate)) output = string(updatedOutput) if traceID != "" { updatedOutput, _ = sjson.SetBytes([]byte(output), "traceId", traceID) output = string(updatedOutput) } return []byte(output)}