152 lines
4.9 KiB
Go
152 lines
4.9 KiB
Go
package middleware
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"strconv"
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"strings"
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"github.com/gin-gonic/gin"
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"github.com/golang-jwt/jwt/v5"
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"github.com/rs/zerolog/log"
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"tss-rocks-be/internal/service"
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)
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// AuthMiddleware creates a middleware for JWT authentication
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func AuthMiddleware(jwtSecret string, tokenBlacklist *service.TokenBlacklist) gin.HandlerFunc {
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return func(c *gin.Context) {
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authHeader := c.GetHeader("Authorization")
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if authHeader == "" {
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c.JSON(http.StatusUnauthorized, gin.H{"error": "Authorization header is required"})
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c.Abort()
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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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c.JSON(http.StatusUnauthorized, gin.H{"error": "Authorization header format must be Bearer {token}"})
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c.Abort()
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return
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}
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tokenStr := parts[1]
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// 检查 token 是否在黑名单中
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if tokenBlacklist.IsBlacklisted(tokenStr) {
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c.JSON(http.StatusUnauthorized, gin.H{"error": "Token has been revoked"})
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c.Abort()
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return
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}
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token, err := jwt.Parse(tokenStr, func(token *jwt.Token) (interface{}, error) {
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// 添加调试输出
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log.Debug().Str("token", tokenStr).Msg("Parsing token")
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if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
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log.Error().Str("method", token.Method.Alg()).Msg("Invalid signing method")
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return nil, jwt.ErrSignatureInvalid
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}
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return []byte(jwtSecret), nil
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})
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if err != nil {
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log.Error().Err(err).Msg("Failed to parse token")
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c.JSON(http.StatusUnauthorized, gin.H{"error": "Invalid token"})
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c.Abort()
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return
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}
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if claims, ok := token.Claims.(jwt.MapClaims); ok && token.Valid {
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// 添加调试信息
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log.Debug().Interface("claims", claims).Msg("Token claims")
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// 获取用户ID
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sub, exists := claims["sub"]
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if !exists {
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log.Error().Msg("Token does not contain sub claim")
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c.JSON(http.StatusUnauthorized, gin.H{"error": "Invalid token format"})
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c.Abort()
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return
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}
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// 打印类型信息
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log.Debug().
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Str("type", fmt.Sprintf("%T", sub)).
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Interface("value", sub).
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Msg("User ID from token")
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// 将用户 ID 转换为字符串
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var userIDStr string
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switch v := sub.(type) {
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case string:
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userIDStr = v
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case float64:
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userIDStr = strconv.FormatFloat(v, 'f', 0, 64)
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case json.Number:
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userIDStr = v.String()
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default:
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userIDStr = fmt.Sprintf("%v", v)
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}
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// 验证用户 ID 是否为有效的数字字符串
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_, err := strconv.Atoi(userIDStr)
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if err != nil {
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log.Error().
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Err(err).
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Str("user_id", userIDStr).
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Msg("Invalid user ID format")
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c.JSON(http.StatusUnauthorized, gin.H{"error": "Invalid user ID format"})
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c.Abort()
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return
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}
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// 设置用户 ID
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c.Set("user_id", userIDStr)
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// 设置用户角色
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if role, ok := claims["role"].(string); ok {
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log.Debug().Str("role", role).Msg("Found user role")
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c.Set("user_role", role)
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} else {
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log.Error().Interface("role", claims["role"]).Msg("Invalid or missing role claim")
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c.JSON(http.StatusUnauthorized, gin.H{"error": "Invalid role format"})
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c.Abort()
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return
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}
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c.Next()
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} else {
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c.JSON(http.StatusUnauthorized, gin.H{"error": "Invalid token"})
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c.Abort()
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return
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}
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}
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}
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// RoleMiddleware creates a middleware for role-based authorization
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func RoleMiddleware(roles ...string) gin.HandlerFunc {
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return func(c *gin.Context) {
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userRole, exists := c.Get("user_role")
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if !exists {
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c.JSON(http.StatusUnauthorized, gin.H{"error": "User role not found"})
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c.Abort()
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return
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}
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roleStr, ok := userRole.(string)
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if !ok {
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c.JSON(http.StatusInternalServerError, gin.H{"error": "Invalid user role type"})
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c.Abort()
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return
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}
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for _, role := range roles {
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if role == roleStr {
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c.Next()
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return
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}
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}
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c.JSON(http.StatusForbidden, gin.H{"error": "Insufficient permissions"})
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c.Abort()
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}
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}
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