更新
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@@ -1,71 +0,0 @@
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// Package auth 管理端 JWT:签发与校验,使用 Authorization: Bearer <token>
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package auth
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import (
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"net/http"
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"strings"
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"time"
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"github.com/golang-jwt/jwt/v5"
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)
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const adminJWTExpire = 7 * 24 * time.Hour // 7 天
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// AdminClaims 管理端 JWT 载荷
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type AdminClaims struct {
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jwt.RegisteredClaims
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Username string `json:"username"`
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Role string `json:"role"`
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}
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// IssueAdminJWT 签发管理端 JWT,使用 ADMIN_SESSION_SECRET 签名(role 为空时默认 admin)
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func IssueAdminJWT(secret, username, role string) (string, error) {
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if role == "" {
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role = "admin"
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}
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now := time.Now()
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claims := AdminClaims{
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RegisteredClaims: jwt.RegisteredClaims{
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ExpiresAt: jwt.NewNumericDate(now.Add(adminJWTExpire)),
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IssuedAt: jwt.NewNumericDate(now),
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Subject: "admin",
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},
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Username: username,
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Role: role,
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}
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tok := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
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return tok.SignedString([]byte(secret))
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}
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// ParseAdminJWT 校验并解析 JWT,返回 claims;无效或过期返回 nil, false
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func ParseAdminJWT(tokenString, secret string) (*AdminClaims, bool) {
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if tokenString == "" || secret == "" {
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return nil, false
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}
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tok, err := jwt.ParseWithClaims(tokenString, &AdminClaims{}, func(t *jwt.Token) (interface{}, error) {
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return []byte(secret), nil
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}, jwt.WithValidMethods([]string{"HS256"}))
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if err != nil || !tok.Valid {
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return nil, false
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}
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claims, ok := tok.Claims.(*AdminClaims)
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if !ok || claims.Username == "" {
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return nil, false
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}
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return claims, true
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}
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// GetAdminJWTFromRequest 从请求中读取 JWT:优先 Authorization: Bearer <token>,其次 Cookie admin_session(兼容旧端)
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func GetAdminJWTFromRequest(r *http.Request) string {
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// 1. Authorization: Bearer <token>
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ah := r.Header.Get("Authorization")
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if strings.HasPrefix(ah, "Bearer ") {
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return strings.TrimSpace(ah[7:])
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}
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// 2. Cookie(兼容:若值为 JWT 格式则可用)
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c, err := r.Cookie(adminCookieName)
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if err != nil || c == nil {
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return ""
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}
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return strings.TrimSpace(c.Value)
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}
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