gotosocial/internal/media/prunemeta.go
Dominik Süß 9d0df426da
[feature] S3 support (#674)
* feat: vendor minio client

* feat: introduce storage package with s3 support

* feat: serve s3 files directly

this saves a lot of bandwith as the files are fetched from the object
store directly

* fix: use explicit local storage in tests

* feat: integrate s3 storage with the main server

* fix: add s3 config to cli tests

* docs: explicitly set values in example config

also adds license header to the storage package

* fix: use better http status code on s3 redirect

HTTP 302 Found is the best fit, as it signifies that the resource
requested was found but not under its presumed URL

307/TemporaryRedirect would mean that this resource is usually located
here, not in this case

303/SeeOther indicates that the redirection does not link to the
requested resource but to another page

* refactor: use context in storage driver interface
2022-07-03 12:08:30 +02:00

87 lines
3.2 KiB
Go

/*
GoToSocial
Copyright (C) 2021-2022 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 media
import (
"context"
"codeberg.org/gruf/go-store/storage"
"github.com/sirupsen/logrus"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
)
func (m *manager) PruneAllMeta(ctx context.Context) (int, error) {
var totalPruned int
var maxID string
var attachments []*gtsmodel.MediaAttachment
var err error
// select 20 attachments at a time and prune them
for attachments, err = m.db.GetAvatarsAndHeaders(ctx, maxID, selectPruneLimit); err == nil && len(attachments) != 0; attachments, err = m.db.GetAvatarsAndHeaders(ctx, maxID, selectPruneLimit) {
// use the id of the last attachment in the slice as the next 'maxID' value
l := len(attachments)
logrus.Tracef("PruneAllMeta: got %d attachments with maxID < %s", l, maxID)
maxID = attachments[l-1].ID
// prune each attachment that meets one of the following criteria:
// - has no owning account in the database
// - is a header but isn't the owning account's current header
// - is an avatar but isn't the owning account's current avatar
for _, attachment := range attachments {
if attachment.Account == nil ||
(attachment.Header && attachment.ID != attachment.Account.HeaderMediaAttachmentID) ||
(attachment.Avatar && attachment.ID != attachment.Account.AvatarMediaAttachmentID) {
if err := m.pruneOneAvatarOrHeader(ctx, attachment); err != nil {
return totalPruned, err
}
totalPruned++
}
}
}
// make sure we don't have a real error when we leave the loop
if err != nil && err != db.ErrNoEntries {
return totalPruned, err
}
logrus.Infof("PruneAllMeta: finished pruning avatars + headers: pruned %d entries", totalPruned)
return totalPruned, nil
}
func (m *manager) pruneOneAvatarOrHeader(ctx context.Context, attachment *gtsmodel.MediaAttachment) error {
if attachment.File.Path != "" {
// delete the full size attachment from storage
logrus.Tracef("pruneOneAvatarOrHeader: deleting %s", attachment.File.Path)
if err := m.storage.Delete(ctx, attachment.File.Path); err != nil && err != storage.ErrNotFound {
return err
}
}
if attachment.Thumbnail.Path != "" {
// delete the thumbnail from storage
logrus.Tracef("pruneOneAvatarOrHeader: deleting %s", attachment.Thumbnail.Path)
if err := m.storage.Delete(ctx, attachment.Thumbnail.Path); err != nil && err != storage.ErrNotFound {
return err
}
}
// delete the attachment entry completely
return m.db.DeleteByID(ctx, attachment.ID, &gtsmodel.MediaAttachment{})
}