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jwt.go
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jwt.go
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// Copyright 2021 The Casdoor Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package casdoorsdk
import (
"fmt"
"github.com/golang-jwt/jwt/v4"
)
type Claims struct {
User
AccessToken string `json:"accessToken"`
jwt.RegisteredClaims
TokenType string `json:"tokenType"`
RefreshTokenType string `json:"TokenType"`
}
// IsRefreshToken returns true if the token is a refresh token
func (c Claims) IsRefreshToken() bool {
return c.RefreshTokenType == "refresh-token"
}
func (c *Client) ParseJwtToken(token string) (*Claims, error) {
t, err := jwt.ParseWithClaims(token, &Claims{}, func(token *jwt.Token) (interface{}, error) {
if _, ok := token.Method.(*jwt.SigningMethodRSA); !ok {
return nil, fmt.Errorf("unexpected signing method: %v", token.Header["alg"])
}
publicKey, err := jwt.ParseRSAPublicKeyFromPEM([]byte(c.Certificate))
if err != nil {
return nil, err
}
return publicKey, nil
})
if t != nil {
if claims, ok := t.Claims.(*Claims); ok && t.Valid {
return claims, nil
}
}
return nil, err
}