64 lines
1.4 KiB
Go
64 lines
1.4 KiB
Go
package common
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import (
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"errors"
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"time"
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"github.com/golang-jwt/jwt/v5"
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)
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const jwtSecret = "rag-local-jwt-secret-2026"
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const TokenExpireSeconds = 24 * 3600
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type JwtClaims struct {
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Role string `json:"role"`
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TokenFp string `json:"token_fp"`
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jwt.RegisteredClaims
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}
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func GetJwtSecret() string {
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return jwtSecret
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}
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func SignToken(role, tokenFp string, expireSeconds int64) (string, error) {
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claims := JwtClaims{
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Role: role,
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TokenFp: tokenFp,
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RegisteredClaims: jwt.RegisteredClaims{
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ExpiresAt: jwt.NewNumericDate(time.Now().Add(time.Duration(expireSeconds) * time.Second)),
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},
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}
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return jwt.NewWithClaims(jwt.SigningMethodHS256, claims).SignedString([]byte(jwtSecret))
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}
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// ---------- 访问令牌（内存持有，每次启动重新生成，不落库） ----------
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var accessToken string
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func SetAccessToken(token string) {
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accessToken = token
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}
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func CheckAccessToken(token string) bool {
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return accessToken != "" && token == accessToken
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}
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func AccessTokenFingerprint() string {
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return TokenFingerprint(accessToken)
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}
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func ParseToken(tokenStr string) (*JwtClaims, error) {
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token, err := jwt.ParseWithClaims(tokenStr, &JwtClaims{}, 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 {
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return nil, err
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}
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claims, ok := token.Claims.(*JwtClaims)
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if !ok || !token.Valid {
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return nil, errors.New("invalid token")
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}
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return claims, nil
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}
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