mirror of
https://git.sr.ht/~phw/scotty
synced 2025-04-16 10:09:28 +02:00
56 lines
1.7 KiB
Go
56 lines
1.7 KiB
Go
/*
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Copyright © 2023 Philipp Wolfer <phw@uploadedlobster.com>
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Scotty is free software: you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or (at your option) any later version.
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Scotty is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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Scotty. If not, see <https://www.gnu.org/licenses/>.
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*/
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package lastfm
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import (
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"net/url"
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"github.com/shkh/lastfm-go/lastfm"
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"go.uploadedlobster.com/scotty/internal/auth"
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"golang.org/x/oauth2"
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)
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type lastfmStrategy struct {
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client *lastfm.Api
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redirectUrl *url.URL
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}
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func (s lastfmStrategy) Config() oauth2.Config {
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return oauth2.Config{}
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}
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func (s lastfmStrategy) AuthCodeURL(verifier string, state string) auth.AuthUrl {
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// Last.fm does not use OAuth2, but the provided authorization flow with
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// callback URL is close enough we can shoehorn it into the existing
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// authentication strategy.
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// TODO: Investigate and use callback-less flow with api.GetAuthTokenUrl(token)
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url := s.client.GetAuthRequestUrl(s.redirectUrl.String())
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return auth.AuthUrl{
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Url: url,
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State: "", // last.fm does not use state
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Param: "token",
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}
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}
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func (s lastfmStrategy) ExchangeToken(code auth.CodeResponse, verifier string) (*oauth2.Token, error) {
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// The token is directly valid
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err := s.client.LoginWithToken(code.Code)
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if err != nil {
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return nil, err
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}
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sk := s.client.GetSessionKey()
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return &oauth2.Token{AccessToken: sk}, nil
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}
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