implement JWT tokens, regenerate docs and sqlc

api/middleware/jwt_auth.go

@@ -0,0 +1,31 @@
+package middleware
+
+import (
+	"net/http"
+	"strings"
+
+	"zardzul/music-index/utils"
+
+	"github.com/gin-gonic/gin"
+)
+
+func JWTAuth(secret string) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		authHeader := c.GetHeader("Authorization")
+		parts := strings.SplitN(authHeader, " ", 2)
+		if len(parts) != 2 || parts[0] != "Bearer" {
+			c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "missing or invalid authorization header"})
+			return
+		}
+
+		claims, err := utils.ValidateToken(secret, parts[1])
+		if err != nil {
+			c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "invalid token"})
+			return
+		}
+
+		c.Set("user_id", claims.Subject)
+		c.Set("user_name", claims.UserName)
+		c.Next()
+	}
+}