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53 lines
1.4 KiB
53 lines
1.4 KiB
package middleware
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import (
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"context"
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"net/http"
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"strings"
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"github.com/youruser/base/internal/util/jwt"
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)
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type AuthMiddleware struct{}
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func NewAuthMiddleware() *AuthMiddleware {
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return &AuthMiddleware{}
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}
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func (m *AuthMiddleware) Handle(next http.HandlerFunc) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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// 从 Header 中获取 Token
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authHeader := r.Header.Get("Authorization")
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var tokenString string
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if authHeader != "" {
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// Token 格式: "Bearer <token>"
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tokenString = strings.TrimPrefix(authHeader, "Bearer ")
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}
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// 回退: 从 query 参数获取 token（用于 img/video/iframe 等无法设置 Header 的场景）
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if tokenString == "" {
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tokenString = r.URL.Query().Get("token")
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}
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if tokenString == "" {
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http.Error(w, "Unauthorized", http.StatusUnauthorized)
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return
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}
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// 解析并验证 Token
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claims, err := jwt.ParseToken(tokenString)
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if err != nil {
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http.Error(w, "Invalid token: "+err.Error(), http.StatusUnauthorized)
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return
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}
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// 将 userId 存入上下文，供后续 logic 使用
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ctx := context.WithValue(r.Context(), "userId", claims.UserID)
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ctx = context.WithValue(ctx, "username", claims.Username)
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ctx = context.WithValue(ctx, "role", claims.Role)
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ctx = context.WithValue(ctx, "currentOrgId", claims.CurrentOrgId)
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// 传递给下一个处理器
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next(w, r.WithContext(ctx))
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}
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}
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