80510e5f16
将 /v1/chat/completions 的拦截文案改为旧协议不支持，避免误导为会路由到 Sora。 明确要求客户端改用 /v1/responses。 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
123 lines
4.5 KiB
Go
123 lines
4.5 KiB
Go
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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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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// 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(gin.HandlerFunc(apiKeyAuth))
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{
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gateway.POST("/messages", h.Gateway.Messages)
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gateway.POST("/messages/count_tokens", h.Gateway.CountTokens)
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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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// 明确阻止旧协议入口：OpenAI 仅支持 Responses API，避免客户端误解为会自动路由到其它平台。
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gateway.POST("/chat/completions", func(c *gin.Context) {
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c.JSON(http.StatusBadRequest, gin.H{
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"error": gin.H{
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"type": "invalid_request_error",
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"message": "Unsupported legacy protocol: /v1/chat/completions is not supported. Please use /v1/responses.",
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},
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})
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})
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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(middleware.APIKeyAuthWithSubscriptionGoogle(apiKeyService, subscriptionService, cfg))
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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, gin.HandlerFunc(apiKeyAuth), h.OpenAIGateway.Responses)
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// Antigravity 模型列表
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r.GET("/antigravity/models", gin.HandlerFunc(apiKeyAuth), 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(middleware.ForcePlatform(service.PlatformAntigravity))
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antigravityV1.Use(gin.HandlerFunc(apiKeyAuth))
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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(middleware.ForcePlatform(service.PlatformAntigravity))
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antigravityV1Beta.Use(middleware.APIKeyAuthWithSubscriptionGoogle(apiKeyService, subscriptionService, cfg))
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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(middleware.ForcePlatform(service.PlatformSora))
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soraV1.Use(gin.HandlerFunc(apiKeyAuth))
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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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