File size: 5,153 Bytes
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import (
"errors"
"strings"
"github.com/Wei-Shaw/sub2api/internal/config"
"github.com/Wei-Shaw/sub2api/internal/pkg/googleapi"
"github.com/Wei-Shaw/sub2api/internal/service"
"github.com/gin-gonic/gin"
)
// APIKeyAuthGoogle is a Google-style error wrapper for API key auth.
func APIKeyAuthGoogle(apiKeyService *service.APIKeyService, cfg *config.Config) gin.HandlerFunc {
return APIKeyAuthWithSubscriptionGoogle(apiKeyService, nil, cfg)
}
// APIKeyAuthWithSubscriptionGoogle behaves like ApiKeyAuthWithSubscription but returns Google-style errors:
// {"error":{"code":401,"message":"...","status":"UNAUTHENTICATED"}}
//
// It is intended for Gemini native endpoints (/v1beta) to match Gemini SDK expectations.
func APIKeyAuthWithSubscriptionGoogle(apiKeyService *service.APIKeyService, subscriptionService *service.SubscriptionService, cfg *config.Config) gin.HandlerFunc {
return func(c *gin.Context) {
if v := strings.TrimSpace(c.Query("api_key")); v != "" {
abortWithGoogleError(c, 400, "Query parameter api_key is deprecated. Use Authorization header or key instead.")
return
}
apiKeyString := extractAPIKeyForGoogle(c)
if apiKeyString == "" {
abortWithGoogleError(c, 401, "API key is required")
return
}
apiKey, err := apiKeyService.GetByKey(c.Request.Context(), apiKeyString)
if err != nil {
if errors.Is(err, service.ErrAPIKeyNotFound) {
abortWithGoogleError(c, 401, "Invalid API key")
return
}
abortWithGoogleError(c, 500, "Failed to validate API key")
return
}
if !apiKey.IsActive() {
abortWithGoogleError(c, 401, "API key is disabled")
return
}
if apiKey.User == nil {
abortWithGoogleError(c, 401, "User associated with API key not found")
return
}
if !apiKey.User.IsActive() {
abortWithGoogleError(c, 401, "User account is not active")
return
}
// 简易模式：跳过余额和订阅检查
if cfg.RunMode == config.RunModeSimple {
c.Set(string(ContextKeyAPIKey), apiKey)
c.Set(string(ContextKeyUser), AuthSubject{
UserID: apiKey.User.ID,
Concurrency: apiKey.User.Concurrency,
})
c.Set(string(ContextKeyUserRole), apiKey.User.Role)
setGroupContext(c, apiKey.Group)
_ = apiKeyService.TouchLastUsed(c.Request.Context(), apiKey.ID)
c.Next()
return
}
isSubscriptionType := apiKey.Group != nil && apiKey.Group.IsSubscriptionType()
if isSubscriptionType && subscriptionService != nil {
subscription, err := subscriptionService.GetActiveSubscription(
c.Request.Context(),
apiKey.User.ID,
apiKey.Group.ID,
)
if err != nil {
abortWithGoogleError(c, 403, "No active subscription found for this group")
return
}
needsMaintenance, err := subscriptionService.ValidateAndCheckLimits(subscription, apiKey.Group)
if err != nil {
status := 403
if errors.Is(err, service.ErrDailyLimitExceeded) ||
errors.Is(err, service.ErrWeeklyLimitExceeded) ||
errors.Is(err, service.ErrMonthlyLimitExceeded) {
status = 429
}
abortWithGoogleError(c, status, err.Error())
return
}
c.Set(string(ContextKeySubscription), subscription)
if needsMaintenance {
maintenanceCopy := *subscription
subscriptionService.DoWindowMaintenance(&maintenanceCopy)
}
} else {
if apiKey.User.Balance <= 0 {
abortWithGoogleError(c, 403, "Insufficient account balance")
return
}
}
c.Set(string(ContextKeyAPIKey), apiKey)
c.Set(string(ContextKeyUser), AuthSubject{
UserID: apiKey.User.ID,
Concurrency: apiKey.User.Concurrency,
})
c.Set(string(ContextKeyUserRole), apiKey.User.Role)
setGroupContext(c, apiKey.Group)
_ = apiKeyService.TouchLastUsed(c.Request.Context(), apiKey.ID)
c.Next()
}
}
// extractAPIKeyForGoogle extracts API key for Google/Gemini endpoints.
// Priority: x-goog-api-key > Authorization: Bearer > x-api-key > query key
// This allows OpenClaw and other clients using Bearer auth to work with Gemini endpoints.
func extractAPIKeyForGoogle(c *gin.Context) string {
// 1) preferred: Gemini native header
if k := strings.TrimSpace(c.GetHeader("x-goog-api-key")); k != "" {
return k
}
// 2) fallback: Authorization: Bearer <key>
auth := strings.TrimSpace(c.GetHeader("Authorization"))
if auth != "" {
parts := strings.SplitN(auth, " ", 2)
if len(parts) == 2 && strings.EqualFold(parts[0], "Bearer") {
if k := strings.TrimSpace(parts[1]); k != "" {
return k
}
}
}
// 3) x-api-key header (backward compatibility)
if k := strings.TrimSpace(c.GetHeader("x-api-key")); k != "" {
return k
}
// 4) query parameter key (for specific paths)
if allowGoogleQueryKey(c.Request.URL.Path) {
if v := strings.TrimSpace(c.Query("key")); v != "" {
return v
}
}
return ""
}
func allowGoogleQueryKey(path string) bool {
return strings.HasPrefix(path, "/v1beta") || strings.HasPrefix(path, "/antigravity/v1beta")
}
func abortWithGoogleError(c *gin.Context, status int, message string) {
c.JSON(status, gin.H{
"error": gin.H{
"code": status,
"message": message,
"status": googleapi.HTTPStatusToGoogleStatus(status),
},
})
c.Abort()
}
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