73 lines
1.7 KiB
Go
73 lines
1.7 KiB
Go
package jwt
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import (
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"time"
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"github.com/golang-jwt/jwt/v5"
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"github.com/gogf/gf/v2/frame/g"
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"github.com/gogf/gf/v2/os/gctx"
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)
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// Claims JWT载荷
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type Claims struct {
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UserID uint `json:"user_id"`
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Username string `json:"username"`
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UserType string `json:"user_type"` // user, admin
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jwt.RegisteredClaims
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}
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// GenerateToken 生成Token
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func GenerateToken(userID uint, username, userType string) (string, error) {
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var (
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ctx = gctx.New()
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signingKey = g.Cfg().MustGet(ctx, "jwt.signingKey").String()
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expire = g.Cfg().MustGet(ctx, "jwt.expire").Int()
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)
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claims := Claims{
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UserID: userID,
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Username: username,
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UserType: userType,
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RegisteredClaims: jwt.RegisteredClaims{
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ExpiresAt: jwt.NewNumericDate(time.Now().Add(time.Duration(expire) * time.Second)),
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IssuedAt: jwt.NewNumericDate(time.Now()),
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NotBefore: jwt.NewNumericDate(time.Now()),
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},
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}
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token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
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return token.SignedString([]byte(signingKey))
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}
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// ParseToken 解析Token
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func ParseToken(tokenString string) (*Claims, error) {
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var (
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ctx = gctx.New()
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signingKey = g.Cfg().MustGet(ctx, "jwt.signingKey").String()
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)
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token, err := jwt.ParseWithClaims(tokenString, &Claims{}, func(token *jwt.Token) (interface{}, error) {
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return []byte(signingKey), 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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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, jwt.ErrSignatureInvalid
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}
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// RefreshToken 刷新Token
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func RefreshToken(tokenString string) (string, error) {
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claims, err := ParseToken(tokenString)
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if err != nil {
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return "", err
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}
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// 生成新的Token
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return GenerateToken(claims.UserID, claims.Username, claims.UserType)
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} |