chore: initial snapshot for gitea/github upload
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package routes
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import (
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"net/http"
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"github.com/Wei-Shaw/sub2api/internal/config"
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"github.com/Wei-Shaw/sub2api/internal/handler"
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"github.com/Wei-Shaw/sub2api/internal/server/middleware"
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"github.com/Wei-Shaw/sub2api/internal/service"
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"github.com/gin-gonic/gin"
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)
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// RegisterGatewayRoutes 注册 API 网关路由（Claude/OpenAI/Gemini 兼容）
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func RegisterGatewayRoutes(
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r *gin.Engine,
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h *handler.Handlers,
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apiKeyAuth middleware.APIKeyAuthMiddleware,
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apiKeyService *service.APIKeyService,
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subscriptionService *service.SubscriptionService,
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opsService *service.OpsService,
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settingService *service.SettingService,
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cfg *config.Config,
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) {
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bodyLimit := middleware.RequestBodyLimit(cfg.Gateway.MaxBodySize)
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soraMaxBodySize := cfg.Gateway.SoraMaxBodySize
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if soraMaxBodySize <= 0 {
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soraMaxBodySize = cfg.Gateway.MaxBodySize
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}
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soraBodyLimit := middleware.RequestBodyLimit(soraMaxBodySize)
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clientRequestID := middleware.ClientRequestID()
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opsErrorLogger := handler.OpsErrorLoggerMiddleware(opsService)
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endpointNorm := handler.InboundEndpointMiddleware()
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// 未分组 Key 拦截中间件（按协议格式区分错误响应）
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requireGroupAnthropic := middleware.RequireGroupAssignment(settingService, middleware.AnthropicErrorWriter)
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requireGroupGoogle := middleware.RequireGroupAssignment(settingService, middleware.GoogleErrorWriter)
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// API网关（Claude API兼容）
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gateway := r.Group("/v1")
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gateway.Use(bodyLimit)
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gateway.Use(clientRequestID)
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gateway.Use(opsErrorLogger)
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gateway.Use(endpointNorm)
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gateway.Use(gin.HandlerFunc(apiKeyAuth))
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gateway.Use(requireGroupAnthropic)
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{
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// /v1/messages: auto-route based on group platform
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gateway.POST("/messages", func(c *gin.Context) {
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if getGroupPlatform(c) == service.PlatformOpenAI {
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h.OpenAIGateway.Messages(c)
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return
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}
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h.Gateway.Messages(c)
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})
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// /v1/messages/count_tokens: OpenAI groups get 404
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gateway.POST("/messages/count_tokens", func(c *gin.Context) {
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if getGroupPlatform(c) == service.PlatformOpenAI {
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c.JSON(http.StatusNotFound, gin.H{
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"type": "error",
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"error": gin.H{
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"type": "not_found_error",
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"message": "Token counting is not supported for this platform",
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},
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})
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return
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}
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h.Gateway.CountTokens(c)
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})
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gateway.GET("/models", h.Gateway.Models)
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gateway.GET("/usage", h.Gateway.Usage)
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// OpenAI Responses API
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gateway.POST("/responses", h.OpenAIGateway.Responses)
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gateway.POST("/responses/*subpath", h.OpenAIGateway.Responses)
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gateway.GET("/responses", h.OpenAIGateway.ResponsesWebSocket)
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// OpenAI Chat Completions API
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gateway.POST("/chat/completions", h.OpenAIGateway.ChatCompletions)
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}
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// Gemini 原生 API 兼容层（Gemini SDK/CLI 直连）
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gemini := r.Group("/v1beta")
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gemini.Use(bodyLimit)
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gemini.Use(clientRequestID)
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gemini.Use(opsErrorLogger)
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gemini.Use(endpointNorm)
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gemini.Use(middleware.APIKeyAuthWithSubscriptionGoogle(apiKeyService, subscriptionService, cfg))
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gemini.Use(requireGroupGoogle)
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{
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gemini.GET("/models", h.Gateway.GeminiV1BetaListModels)
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gemini.GET("/models/:model", h.Gateway.GeminiV1BetaGetModel)
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// Gin treats ":" as a param marker, but Gemini uses "{model}:{action}" in the same segment.
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gemini.POST("/models/*modelAction", h.Gateway.GeminiV1BetaModels)
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}
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// OpenAI Responses API（不带v1前缀的别名）
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r.POST("/responses", bodyLimit, clientRequestID, opsErrorLogger, endpointNorm, gin.HandlerFunc(apiKeyAuth), requireGroupAnthropic, h.OpenAIGateway.Responses)
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r.POST("/responses/*subpath", bodyLimit, clientRequestID, opsErrorLogger, endpointNorm, gin.HandlerFunc(apiKeyAuth), requireGroupAnthropic, h.OpenAIGateway.Responses)
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r.GET("/responses", bodyLimit, clientRequestID, opsErrorLogger, endpointNorm, gin.HandlerFunc(apiKeyAuth), requireGroupAnthropic, h.OpenAIGateway.ResponsesWebSocket)
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// OpenAI Chat Completions API（不带v1前缀的别名）
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r.POST("/chat/completions", bodyLimit, clientRequestID, opsErrorLogger, endpointNorm, gin.HandlerFunc(apiKeyAuth), requireGroupAnthropic, h.OpenAIGateway.ChatCompletions)
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// Antigravity 模型列表
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r.GET("/antigravity/models", gin.HandlerFunc(apiKeyAuth), requireGroupAnthropic, h.Gateway.AntigravityModels)
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// Antigravity 专用路由（仅使用 antigravity 账户，不混合调度）
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antigravityV1 := r.Group("/antigravity/v1")
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antigravityV1.Use(bodyLimit)
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antigravityV1.Use(clientRequestID)
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antigravityV1.Use(opsErrorLogger)
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antigravityV1.Use(endpointNorm)
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antigravityV1.Use(middleware.ForcePlatform(service.PlatformAntigravity))
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antigravityV1.Use(gin.HandlerFunc(apiKeyAuth))
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antigravityV1.Use(requireGroupAnthropic)
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{
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antigravityV1.POST("/messages", h.Gateway.Messages)
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antigravityV1.POST("/messages/count_tokens", h.Gateway.CountTokens)
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antigravityV1.GET("/models", h.Gateway.AntigravityModels)
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antigravityV1.GET("/usage", h.Gateway.Usage)
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}
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antigravityV1Beta := r.Group("/antigravity/v1beta")
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antigravityV1Beta.Use(bodyLimit)
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antigravityV1Beta.Use(clientRequestID)
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antigravityV1Beta.Use(opsErrorLogger)
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antigravityV1Beta.Use(endpointNorm)
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antigravityV1Beta.Use(middleware.ForcePlatform(service.PlatformAntigravity))
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antigravityV1Beta.Use(middleware.APIKeyAuthWithSubscriptionGoogle(apiKeyService, subscriptionService, cfg))
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antigravityV1Beta.Use(requireGroupGoogle)
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{
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antigravityV1Beta.GET("/models", h.Gateway.GeminiV1BetaListModels)
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antigravityV1Beta.GET("/models/:model", h.Gateway.GeminiV1BetaGetModel)
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antigravityV1Beta.POST("/models/*modelAction", h.Gateway.GeminiV1BetaModels)
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}
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// Sora 专用路由（强制使用 sora 平台）
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soraV1 := r.Group("/sora/v1")
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soraV1.Use(soraBodyLimit)
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soraV1.Use(clientRequestID)
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soraV1.Use(opsErrorLogger)
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soraV1.Use(endpointNorm)
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soraV1.Use(middleware.ForcePlatform(service.PlatformSora))
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soraV1.Use(gin.HandlerFunc(apiKeyAuth))
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soraV1.Use(requireGroupAnthropic)
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{
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soraV1.POST("/chat/completions", h.SoraGateway.ChatCompletions)
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soraV1.GET("/models", h.Gateway.Models)
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}
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// Sora 媒体代理（可选 API Key 验证）
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if cfg.Gateway.SoraMediaRequireAPIKey {
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r.GET("/sora/media/*filepath", gin.HandlerFunc(apiKeyAuth), h.SoraGateway.MediaProxy)
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} else {
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r.GET("/sora/media/*filepath", h.SoraGateway.MediaProxy)
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}
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// Sora 媒体代理（签名 URL，无需 API Key）
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r.GET("/sora/media-signed/*filepath", h.SoraGateway.MediaProxySigned)
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}
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// getGroupPlatform extracts the group platform from the API Key stored in context.
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func getGroupPlatform(c *gin.Context) string {
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apiKey, ok := middleware.GetAPIKeyFromContext(c)
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if !ok || apiKey.Group == nil {
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return ""
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}
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return apiKey.Group.Platform
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}
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