66 lines
1.9 KiB
Go
66 lines
1.9 KiB
Go
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/*
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GoToSocial
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Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package oidc
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import (
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"context"
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"errors"
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"fmt"
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)
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func (i *idp) HandleCallback(ctx context.Context, code string) (*Claims, error) {
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l := i.log.WithField("func", "HandleCallback")
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if code == "" {
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return nil, errors.New("code was empty string")
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}
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l.Debug("exchanging code for oauth2token")
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oauth2Token, err := i.oauth2Config.Exchange(ctx, code)
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if err != nil {
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return nil, fmt.Errorf("error exchanging code for oauth2token: %s", err)
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}
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l.Debug("extracting id_token")
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rawIDToken, ok := oauth2Token.Extra("id_token").(string)
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if !ok {
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return nil, errors.New("no id_token in oauth2token")
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}
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l.Debugf("raw id token: %s", rawIDToken)
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// Parse and verify ID Token payload.
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l.Debug("verifying id_token")
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idTokenVerifier := i.provider.Verifier(i.oidcConf)
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idToken, err := idTokenVerifier.Verify(ctx, rawIDToken)
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if err != nil {
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return nil, fmt.Errorf("could not verify id token: %s", err)
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}
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l.Debug("extracting claims from id_token")
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claims := &Claims{}
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if err := idToken.Claims(claims); err != nil {
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return nil, fmt.Errorf("could not parse claims from idToken: %s", err)
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}
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return claims, nil
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}
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func (i *idp) AuthCodeURL(state string) string {
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return i.oauth2Config.AuthCodeURL(state)
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}
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