wonder
5d8d186d74
AuthMiddleware 中的 userID 从 JWT claims 解析时，JWT 库默认将数字字段解析为 float64 类型， 但 handler 使用 GetUint 获取，导致类型不匹配。 修复内容： - 增加 strconv 导入 - 增强类型转换逻辑，支持 float64、int、int64、uint 和 string 类型统一转换为 uint 这将确保用户登录后能正常访问需要认证的接口。
71 lines
1.9 KiB
Go
Executable File
71 lines
1.9 KiB
Go
Executable File
package mildware
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import (
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"net/http"
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"strconv"
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"strings"
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"gen2d/internal/logger"
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"gen2d/internal/model"
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"github.com/gin-gonic/gin"
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"github.com/golang-jwt/jwt/v5"
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)
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// AuthMiddleware 返回 JWT 认证中间件，校验 Bearer token 并注入 userID 到上下文。
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func AuthMiddleware(jwtSecret string) 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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logger.FromCtx(c.Request.Context()).Warn("auth failed: no token")
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c.AbortWithStatusJSON(http.StatusUnauthorized, model.Fail(http.StatusUnauthorized, "未提供认证令牌"))
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return
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}
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tokenString := strings.TrimPrefix(authHeader, "Bearer ")
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if tokenString == authHeader {
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logger.FromCtx(c.Request.Context()).Warn("auth failed: invalid format")
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c.AbortWithStatusJSON(http.StatusUnauthorized, model.Fail(http.StatusUnauthorized, "认证格式错误，需为 Bearer <token>"))
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return
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}
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token, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
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return []byte(jwtSecret), nil
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})
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if err != nil || !token.Valid {
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logger.FromCtx(c.Request.Context()).Warn("auth failed: invalid token", "error", err)
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c.AbortWithStatusJSON(http.StatusUnauthorized, model.Fail(http.StatusUnauthorized, "令牌无效或已过期"))
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return
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}
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claims, ok := token.Claims.(jwt.MapClaims)
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if !ok {
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logger.FromCtx(c.Request.Context()).Warn("auth failed: parse claims")
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c.AbortWithStatusJSON(http.StatusUnauthorized, model.Fail(http.StatusUnauthorized, "令牌解析失败"))
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return
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}
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if sub, ok := claims["sub"]; ok {
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var userID uint
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switch v := sub.(type) {
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case float64:
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userID = uint(v)
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case int:
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userID = uint(v)
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case int64:
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userID = uint(v)
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case uint:
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userID = v
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case string:
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num, err := strconv.ParseUint(v, 10, 64)
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if err == nil {
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userID = uint(num)
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}
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}
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c.Set("userID", userID)
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}
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c.Next()
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}
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}
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