83 lines
2.0 KiB
Go
83 lines
2.0 KiB
Go
// Filename: internal/middleware/auth.go
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package middleware
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import (
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"gemini-balancer/internal/service"
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"net/http"
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"strings"
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"github.com/gin-gonic/gin"
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)
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// === API Admin 认证管道 (/admin/* API路由) ===
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func APIAdminAuthMiddleware(securityService *service.SecurityService) gin.HandlerFunc {
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return func(c *gin.Context) {
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tokenValue := extractBearerToken(c)
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if tokenValue == "" {
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c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "Authorization token is missing"})
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return
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}
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authToken, err := securityService.AuthenticateToken(tokenValue)
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if err != nil || !authToken.IsAdmin {
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c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "Invalid or non-admin token"})
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return
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}
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c.Set("adminUser", authToken)
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c.Next()
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}
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}
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// === /v1 Proxy 认证 ===
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func ProxyAuthMiddleware(securityService *service.SecurityService) gin.HandlerFunc {
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return func(c *gin.Context) {
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tokenValue := extractProxyToken(c)
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if tokenValue == "" {
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c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "API key is missing from request"})
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return
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}
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authToken, err := securityService.AuthenticateToken(tokenValue)
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if err != nil {
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// 通用信息，避免泄露过多信息
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c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "Invalid or inactive token provided"})
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return
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}
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c.Set("authToken", authToken)
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c.Next()
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}
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}
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func extractProxyToken(c *gin.Context) string {
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if key := c.Query("key"); key != "" {
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return key
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}
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authHeader := c.GetHeader("Authorization")
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if authHeader != "" {
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if strings.HasPrefix(authHeader, "Bearer ") {
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return strings.TrimPrefix(authHeader, "Bearer ")
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}
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}
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if key := c.GetHeader("X-Api-Key"); key != "" {
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return key
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}
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if key := c.GetHeader("X-Goog-Api-Key"); key != "" {
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return key
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}
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return ""
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}
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// === 辅助函数 ===
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func extractBearerToken(c *gin.Context) string {
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authHeader := c.GetHeader("Authorization")
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if authHeader == "" {
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return ""
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}
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parts := strings.Split(authHeader, " ")
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if len(parts) == 2 && parts[0] == "Bearer" {
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return parts[1]
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}
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return ""
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}
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