/
jwt.go
52 lines (48 loc) · 1.26 KB
/
jwt.go
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package jwt
import (
jwt "github.com/dgrijalva/jwt-go"
"time"
)
// Generate the signing string.
func Sign(kid string, arg interface{}, minutes int) (string, error) {
if minutes < 0 {
minutes = 0
}
handler, err := getJwtHandler(kid)
if err != nil {
return "", err
}
token := jwt.NewWithClaims(handler.Method, jwt.MapClaims{
ARG: arg,
EXP: time.Now().Add(time.Minute * time.Duration(minutes)).Unix(),
})
token.Header[KID] = handler.Kid
return token.SignedString(handler.enKey)
}
func parseToken(token *jwt.Token, err error) (interface{}, error) {
if token == nil {
return nil, ErrToken
} else if token.Valid {
if claims, ok := token.Claims.(jwt.MapClaims); ok {
return claims[ARG], nil
}
return nil, nil
} else if ve, ok := err.(*jwt.ValidationError); ok {
if ve.Errors&jwt.ValidationErrorMalformed != 0 {
err = ErrToken
} else if ve.Errors&jwt.ValidationErrorExpired != 0 {
err = ErrTokenExpired
} else if ve.Errors&jwt.ValidationErrorNotValidYet != 0 {
err = ErrTokenNotActive
} else {
err = ErrHandleTokenFunc(err)
}
} else {
err = ErrHandleTokenFunc(err)
}
return nil, err
}
// Parse, validate, and return a token.
func Parse(token string) (interface{}, error) {
return parseToken(jwt.Parse(token, getJwtHandlerKey))
}