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77
utils/jwt_util.go
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77
utils/jwt_util.go
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package utils
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import (
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"Quincy_admin/config"
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"errors"
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"strconv"
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"time"
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"github.com/golang-jwt/jwt/v5"
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)
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// Claims JWT 声明结构
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type Claims struct {
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UserID int `json:"user_id"`
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Username string `json:"username"`
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SessionCode string `json:"sessioncode"`
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RoleCode int `json:"rolecode"`
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jwt.RegisteredClaims
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}
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// GenerateToken 生成 JWT token
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func GenerateToken(userID int, username, sessionCode string, roleCode int) (string, error) {
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// 从配置文件或其他地方获取密钥,这里先使用硬编码的密钥
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cfg := config.LoadConfig()
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secretKey := []byte(cfg.Jwt.Secret)
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expireHours, _ := strconv.Atoi(cfg.Jwt.Expire)
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if expireHours <= 1 {
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expireHours = 1
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}
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expirationTime := time.Now().Add(time.Duration(expireHours) * time.Hour)
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// 创建 JWT 声明
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claims := &Claims{
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UserID: userID,
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Username: username,
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SessionCode: sessionCode,
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RoleCode: roleCode,
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RegisteredClaims: jwt.RegisteredClaims{
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ExpiresAt: jwt.NewNumericDate(expirationTime),
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IssuedAt: jwt.NewNumericDate(time.Now()),
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Issuer: "Quincy_admin",
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},
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}
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// 创建 token
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token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
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// 签名并获取完整的 token 字符串
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return token.SignedString(secretKey)
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}
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// ParseToken 解析 JWT token
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func ParseToken(tokenString string) (*Claims, error) {
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secretKey := []byte("hcq")
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// 解析 token
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token, err := jwt.ParseWithClaims(tokenString, &Claims{}, func(token *jwt.Token) (interface{}, error) {
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if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
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return nil, errors.New("unexpected signing method")
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}
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return secretKey, nil
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})
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if err != nil {
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return nil, err
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}
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// 验证并返回 claims
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if claims, ok := token.Claims.(*Claims); ok && token.Valid {
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return claims, nil
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}
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return nil, errors.New("invalid token")
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}
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