mirror of
https://github.com/superseriousbusiness/gotosocial
synced 2024-11-27 14:51:04 +00:00
73 lines
2.7 KiB
Go
73 lines
2.7 KiB
Go
// GoToSocial
|
|
// Copyright (C) GoToSocial Authors admin@gotosocial.org
|
|
// SPDX-License-Identifier: AGPL-3.0-or-later
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package dereferencing
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
"errors"
|
|
"fmt"
|
|
"net/url"
|
|
"strings"
|
|
|
|
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
|
|
"github.com/superseriousbusiness/gotosocial/internal/transport"
|
|
"github.com/superseriousbusiness/gotosocial/internal/util"
|
|
)
|
|
|
|
func (d *Dereferencer) fingerRemoteAccount(ctx context.Context, transport transport.Transport, targetUsername string, targetHost string) (accountDomain string, accountURI *url.URL, err error) {
|
|
b, err := transport.Finger(ctx, targetUsername, targetHost)
|
|
if err != nil {
|
|
err = fmt.Errorf("fingerRemoteAccount: error fingering @%s@%s: %s", targetUsername, targetHost, err)
|
|
return
|
|
}
|
|
|
|
resp := &apimodel.WellKnownResponse{}
|
|
if err = json.Unmarshal(b, resp); err != nil {
|
|
err = fmt.Errorf("fingerRemoteAccount: could not unmarshal server response as WebfingerAccountResponse while dereferencing @%s@%s: %s", targetUsername, targetHost, err)
|
|
return
|
|
}
|
|
|
|
if len(resp.Links) == 0 {
|
|
err = fmt.Errorf("fingerRemoteAccount: no links found in webfinger response %s", string(b))
|
|
return
|
|
}
|
|
|
|
if resp.Subject == "" {
|
|
err = fmt.Errorf("fingerRemoteAccount: no subject found in webfinger response %s", string(b))
|
|
return
|
|
}
|
|
|
|
_, accountDomain, err = util.ExtractWebfingerParts(resp.Subject)
|
|
if err != nil {
|
|
err = fmt.Errorf("fingerRemoteAccount: error extracting webfinger subject parts: %s", err)
|
|
}
|
|
|
|
// look through the links for the first one that matches what we need
|
|
for _, l := range resp.Links {
|
|
if l.Rel == "self" && (strings.EqualFold(l.Type, "application/activity+json") || strings.EqualFold(l.Type, "application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\"")) {
|
|
if uri, thiserr := url.Parse(l.Href); thiserr == nil && (uri.Scheme == "http" || uri.Scheme == "https") {
|
|
// found it!
|
|
accountURI = uri
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
return "", nil, errors.New("fingerRemoteAccount: no match found in webfinger response")
|
|
}
|