mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-06-02 13:29:30 +00:00
103 lines
3.3 KiB
Go
103 lines
3.3 KiB
Go
/*
|
|
GoToSocial
|
|
Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
|
|
|
|
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"
|
|
"fmt"
|
|
"net/url"
|
|
|
|
"github.com/sirupsen/logrus"
|
|
"github.com/superseriousbusiness/gotosocial/internal/db"
|
|
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
|
|
)
|
|
|
|
func (d *deref) GetRemoteAttachment(ctx context.Context, requestingUsername string, minAttachment *gtsmodel.MediaAttachment) (*gtsmodel.MediaAttachment, error) {
|
|
if minAttachment.RemoteURL == "" {
|
|
return nil, fmt.Errorf("GetRemoteAttachment: minAttachment remote URL was empty")
|
|
}
|
|
remoteAttachmentURL := minAttachment.RemoteURL
|
|
|
|
l := d.log.WithFields(logrus.Fields{
|
|
"username": requestingUsername,
|
|
"remoteAttachmentURL": remoteAttachmentURL,
|
|
})
|
|
|
|
// return early if we already have the attachment somewhere
|
|
maybeAttachment := >smodel.MediaAttachment{}
|
|
where := []db.Where{
|
|
{
|
|
Key: "remote_url",
|
|
Value: remoteAttachmentURL,
|
|
},
|
|
}
|
|
|
|
if err := d.db.GetWhere(ctx, where, maybeAttachment); err == nil {
|
|
// we already the attachment in the database
|
|
l.Debugf("GetRemoteAttachment: attachment already exists with id %s", maybeAttachment.ID)
|
|
return maybeAttachment, nil
|
|
}
|
|
|
|
a, err := d.RefreshAttachment(ctx, requestingUsername, minAttachment)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("GetRemoteAttachment: error refreshing attachment: %s", err)
|
|
}
|
|
|
|
if err := d.db.Put(ctx, a); err != nil {
|
|
if err != db.ErrAlreadyExists {
|
|
return nil, fmt.Errorf("GetRemoteAttachment: error inserting attachment: %s", err)
|
|
}
|
|
}
|
|
|
|
return a, nil
|
|
}
|
|
|
|
func (d *deref) RefreshAttachment(ctx context.Context, requestingUsername string, minAttachment *gtsmodel.MediaAttachment) (*gtsmodel.MediaAttachment, error) {
|
|
// it just doesn't exist or we have to refresh
|
|
if minAttachment.AccountID == "" {
|
|
return nil, fmt.Errorf("RefreshAttachment: minAttachment account ID was empty")
|
|
}
|
|
|
|
if minAttachment.File.ContentType == "" {
|
|
return nil, fmt.Errorf("RefreshAttachment: minAttachment.file.contentType was empty")
|
|
}
|
|
|
|
t, err := d.transportController.NewTransportForUsername(ctx, requestingUsername)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("RefreshAttachment: error creating transport: %s", err)
|
|
}
|
|
|
|
derefURI, err := url.Parse(minAttachment.RemoteURL)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
attachmentBytes, err := t.DereferenceMedia(ctx, derefURI, minAttachment.File.ContentType)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("RefreshAttachment: error dereferencing media: %s", err)
|
|
}
|
|
|
|
a, err := d.mediaHandler.ProcessAttachment(ctx, attachmentBytes, minAttachment)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("RefreshAttachment: error processing attachment: %s", err)
|
|
}
|
|
|
|
return a, nil
|
|
}
|