mirror of
https://github.com/superseriousbusiness/gotosocial
synced 2024-12-22 10:43:12 +00:00
103 lines
4.8 KiB
Go
103 lines
4.8 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"
|
|
"net/url"
|
|
"sync"
|
|
|
|
"github.com/sirupsen/logrus"
|
|
"github.com/superseriousbusiness/gotosocial/internal/ap"
|
|
"github.com/superseriousbusiness/gotosocial/internal/config"
|
|
"github.com/superseriousbusiness/gotosocial/internal/db"
|
|
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
|
|
"github.com/superseriousbusiness/gotosocial/internal/media"
|
|
"github.com/superseriousbusiness/gotosocial/internal/transport"
|
|
"github.com/superseriousbusiness/gotosocial/internal/typeutils"
|
|
)
|
|
|
|
// Dereferencer wraps logic and functionality for doing dereferencing of remote accounts, statuses, etc, from federated instances.
|
|
type Dereferencer interface {
|
|
GetRemoteAccount(ctx context.Context, username string, remoteAccountID *url.URL, refresh bool) (*gtsmodel.Account, bool, error)
|
|
EnrichRemoteAccount(ctx context.Context, username string, account *gtsmodel.Account) (*gtsmodel.Account, error)
|
|
|
|
GetRemoteStatus(ctx context.Context, username string, remoteStatusID *url.URL, refresh, includeParent, includeChilds bool) (*gtsmodel.Status, ap.Statusable, bool, error)
|
|
EnrichRemoteStatus(ctx context.Context, username string, status *gtsmodel.Status, includeParent, includeChilds bool) (*gtsmodel.Status, error)
|
|
|
|
GetRemoteInstance(ctx context.Context, username string, remoteInstanceURI *url.URL) (*gtsmodel.Instance, error)
|
|
|
|
// GetRemoteAttachment takes a minimal attachment struct and converts it into a fully fleshed out attachment, stored in the database and instance storage.
|
|
//
|
|
// The parameter minAttachment must have at least the following fields defined:
|
|
// * minAttachment.RemoteURL
|
|
// * minAttachment.AccountID
|
|
// * minAttachment.File.ContentType
|
|
//
|
|
// The returned attachment will have an ID generated for it, so no need to generate one beforehand.
|
|
// A blurhash will also be generated for the attachment.
|
|
//
|
|
// Most other fields will be preserved on the passed attachment, including:
|
|
// * minAttachment.StatusID
|
|
// * minAttachment.CreatedAt
|
|
// * minAttachment.UpdatedAt
|
|
// * minAttachment.FileMeta
|
|
// * minAttachment.AccountID
|
|
// * minAttachment.Description
|
|
// * minAttachment.ScheduledStatusID
|
|
// * minAttachment.Thumbnail.RemoteURL
|
|
// * minAttachment.Avatar
|
|
// * minAttachment.Header
|
|
//
|
|
// GetRemoteAttachment will return early if an attachment with the same value as minAttachment.RemoteURL
|
|
// is found in the database -- then that attachment will be returned and nothing else will be changed or stored.
|
|
GetRemoteAttachment(ctx context.Context, requestingUsername string, minAttachment *gtsmodel.MediaAttachment) (*gtsmodel.MediaAttachment, error)
|
|
// RefreshAttachment is like GetRemoteAttachment, but the attachment will always be dereferenced again,
|
|
// whether or not it was already stored in the database.
|
|
RefreshAttachment(ctx context.Context, requestingUsername string, minAttachment *gtsmodel.MediaAttachment) (*gtsmodel.MediaAttachment, error)
|
|
|
|
DereferenceAnnounce(ctx context.Context, announce *gtsmodel.Status, requestingUsername string) error
|
|
DereferenceThread(ctx context.Context, username string, statusIRI *url.URL) error
|
|
|
|
Handshaking(ctx context.Context, username string, remoteAccountID *url.URL) bool
|
|
}
|
|
|
|
type deref struct {
|
|
log *logrus.Logger
|
|
db db.DB
|
|
typeConverter typeutils.TypeConverter
|
|
transportController transport.Controller
|
|
mediaHandler media.Handler
|
|
config *config.Config
|
|
handshakes map[string][]*url.URL
|
|
handshakeSync *sync.Mutex // mutex to lock/unlock when checking or updating the handshakes map
|
|
}
|
|
|
|
// NewDereferencer returns a Dereferencer initialized with the given parameters.
|
|
func NewDereferencer(config *config.Config, db db.DB, typeConverter typeutils.TypeConverter, transportController transport.Controller, mediaHandler media.Handler, log *logrus.Logger) Dereferencer {
|
|
return &deref{
|
|
log: log,
|
|
db: db,
|
|
typeConverter: typeConverter,
|
|
transportController: transportController,
|
|
mediaHandler: mediaHandler,
|
|
config: config,
|
|
handshakeSync: &sync.Mutex{},
|
|
}
|
|
}
|