forgejo/services/auth/source/oauth2/token.go
zeripath 44deae8f3d
Refactor jwt.StandardClaims to RegisteredClaims (#18344)
* Refactor jwt.StandardClaims to RegisteredClaims

go-jwt/jwt has deprecated the StandardClaims interface to use RegisteredClaims
instead. This PR migrates to use this new format.

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Apply suggestions from code review

Co-authored-by: Gusted <williamzijl7@hotmail.com>

Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: Gusted <williamzijl7@hotmail.com>
2022-01-20 22:52:56 +01:00

98 lines
3.2 KiB
Go

// Copyright 2021 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package oauth2
import (
"fmt"
"time"
"code.gitea.io/gitea/modules/timeutil"
"github.com/golang-jwt/jwt/v4"
)
// ___________ __
// \__ ___/___ | | __ ____ ____
// | | / _ \| |/ // __ \ / \
// | |( <_> ) <\ ___/| | \
// |____| \____/|__|_ \\___ >___| /
// \/ \/ \/
// Token represents an Oauth grant
// TokenType represents the type of token for an oauth application
type TokenType int
const (
// TypeAccessToken is a token with short lifetime to access the api
TypeAccessToken TokenType = 0
// TypeRefreshToken is token with long lifetime to refresh access tokens obtained by the client
TypeRefreshToken = iota
)
// Token represents a JWT token used to authenticate a client
type Token struct {
GrantID int64 `json:"gnt"`
Type TokenType `json:"tt"`
Counter int64 `json:"cnt,omitempty"`
jwt.RegisteredClaims
}
// ParseToken parses a signed jwt string
func ParseToken(jwtToken string, signingKey JWTSigningKey) (*Token, error) {
parsedToken, err := jwt.ParseWithClaims(jwtToken, &Token{}, func(token *jwt.Token) (interface{}, error) {
if token.Method == nil || token.Method.Alg() != signingKey.SigningMethod().Alg() {
return nil, fmt.Errorf("unexpected signing algo: %v", token.Header["alg"])
}
return signingKey.VerifyKey(), nil
})
if err != nil {
return nil, err
}
var token *Token
var ok bool
if token, ok = parsedToken.Claims.(*Token); !ok || !parsedToken.Valid {
return nil, fmt.Errorf("invalid token")
}
return token, nil
}
// SignToken signs the token with the JWT secret
func (token *Token) SignToken(signingKey JWTSigningKey) (string, error) {
token.IssuedAt = jwt.NewNumericDate(time.Now())
jwtToken := jwt.NewWithClaims(signingKey.SigningMethod(), token)
signingKey.PreProcessToken(jwtToken)
return jwtToken.SignedString(signingKey.SignKey())
}
// OIDCToken represents an OpenID Connect id_token
type OIDCToken struct {
jwt.RegisteredClaims
Nonce string `json:"nonce,omitempty"`
// Scope profile
Name string `json:"name,omitempty"`
PreferredUsername string `json:"preferred_username,omitempty"`
Profile string `json:"profile,omitempty"`
Picture string `json:"picture,omitempty"`
Website string `json:"website,omitempty"`
Locale string `json:"locale,omitempty"`
UpdatedAt timeutil.TimeStamp `json:"updated_at,omitempty"`
// Scope email
Email string `json:"email,omitempty"`
EmailVerified bool `json:"email_verified,omitempty"`
// Groups are generated by organization and team names
Groups []string `json:"groups,omitempty"`
}
// SignToken signs an id_token with the (symmetric) client secret key
func (token *OIDCToken) SignToken(signingKey JWTSigningKey) (string, error) {
token.IssuedAt = jwt.NewNumericDate(time.Now())
jwtToken := jwt.NewWithClaims(signingKey.SigningMethod(), token)
signingKey.PreProcessToken(jwtToken)
return jwtToken.SignedString(signingKey.SignKey())
}