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https://codeberg.org/forgejo/forgejo
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44deae8f3d
* 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>
98 lines
3.2 KiB
Go
98 lines
3.2 KiB
Go
// Copyright 2021 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package oauth2
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import (
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"fmt"
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"time"
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"code.gitea.io/gitea/modules/timeutil"
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"github.com/golang-jwt/jwt/v4"
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)
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// ___________ __
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// \__ ___/___ | | __ ____ ____
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// | | / _ \| |/ // __ \ / \
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// | |( <_> ) <\ ___/| | \
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// |____| \____/|__|_ \\___ >___| /
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// \/ \/ \/
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// Token represents an Oauth grant
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// TokenType represents the type of token for an oauth application
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type TokenType int
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const (
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// TypeAccessToken is a token with short lifetime to access the api
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TypeAccessToken TokenType = 0
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// TypeRefreshToken is token with long lifetime to refresh access tokens obtained by the client
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TypeRefreshToken = iota
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)
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// Token represents a JWT token used to authenticate a client
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type Token struct {
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GrantID int64 `json:"gnt"`
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Type TokenType `json:"tt"`
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Counter int64 `json:"cnt,omitempty"`
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jwt.RegisteredClaims
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}
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// ParseToken parses a signed jwt string
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func ParseToken(jwtToken string, signingKey JWTSigningKey) (*Token, error) {
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parsedToken, err := jwt.ParseWithClaims(jwtToken, &Token{}, func(token *jwt.Token) (interface{}, error) {
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if token.Method == nil || token.Method.Alg() != signingKey.SigningMethod().Alg() {
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return nil, fmt.Errorf("unexpected signing algo: %v", token.Header["alg"])
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}
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return signingKey.VerifyKey(), 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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var token *Token
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var ok bool
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if token, ok = parsedToken.Claims.(*Token); !ok || !parsedToken.Valid {
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return nil, fmt.Errorf("invalid token")
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}
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return token, nil
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}
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// SignToken signs the token with the JWT secret
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func (token *Token) SignToken(signingKey JWTSigningKey) (string, error) {
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token.IssuedAt = jwt.NewNumericDate(time.Now())
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jwtToken := jwt.NewWithClaims(signingKey.SigningMethod(), token)
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signingKey.PreProcessToken(jwtToken)
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return jwtToken.SignedString(signingKey.SignKey())
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}
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// OIDCToken represents an OpenID Connect id_token
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type OIDCToken struct {
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jwt.RegisteredClaims
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Nonce string `json:"nonce,omitempty"`
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// Scope profile
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Name string `json:"name,omitempty"`
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PreferredUsername string `json:"preferred_username,omitempty"`
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Profile string `json:"profile,omitempty"`
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Picture string `json:"picture,omitempty"`
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Website string `json:"website,omitempty"`
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Locale string `json:"locale,omitempty"`
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UpdatedAt timeutil.TimeStamp `json:"updated_at,omitempty"`
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// Scope email
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Email string `json:"email,omitempty"`
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EmailVerified bool `json:"email_verified,omitempty"`
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// Groups are generated by organization and team names
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Groups []string `json:"groups,omitempty"`
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}
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// SignToken signs an id_token with the (symmetric) client secret key
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func (token *OIDCToken) SignToken(signingKey JWTSigningKey) (string, error) {
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token.IssuedAt = jwt.NewNumericDate(time.Now())
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jwtToken := jwt.NewWithClaims(signingKey.SigningMethod(), token)
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signingKey.PreProcessToken(jwtToken)
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return jwtToken.SignedString(signingKey.SignKey())
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}
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