广告平台(站长使用)
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auth.go 1.1 KiB

2 months ago
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  1. package auth
  2. import (
  3. "errors"
  4. "github.com/dgrijalva/jwt-go"
  5. "time"
  6. )
  7. // GenToken 生成JWT
  8. func GenToken(admId int, username string) (string, error) {
  9. // 创建一个我们自己的声明
  10. c := JWTUser{
  11. AdmId: admId,
  12. Username: username,
  13. StandardClaims: jwt.StandardClaims{
  14. ExpiresAt: time.Now().Add(TokenExpireDuration).Unix(), // 过期时间
  15. Issuer: "advertisement", // 签发人
  16. },
  17. }
  18. // 使用指定的签名方法创建签名对象
  19. token := jwt.NewWithClaims(jwt.SigningMethodHS256, c)
  20. // 使用指定的secret签名并获得完整的编码后的字符串token
  21. return token.SignedString(Secret)
  22. }
  23. // ParseToken 解析JWT
  24. func ParseToken(tokenString string) (*JWTUser, error) {
  25. // 解析token
  26. token, err := jwt.ParseWithClaims(tokenString, &JWTUser{}, func(token *jwt.Token) (i interface{}, err error) {
  27. return Secret, nil
  28. })
  29. if err != nil {
  30. return nil, err
  31. }
  32. if claims, ok := token.Claims.(*JWTUser); ok && token.Valid { // 校验token
  33. return claims, nil
  34. }
  35. return nil, errors.New("invalid token")
  36. }