81 lines
3.9 KiB
Go
81 lines
3.9 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package dereferencing
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import (
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"context"
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"net/url"
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"sync"
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"github.com/superseriousbusiness/gotosocial/internal/ap"
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"github.com/superseriousbusiness/gotosocial/internal/db"
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"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
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"github.com/superseriousbusiness/gotosocial/internal/media"
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"github.com/superseriousbusiness/gotosocial/internal/transport"
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"github.com/superseriousbusiness/gotosocial/internal/typeutils"
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)
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// Dereferencer wraps logic and functionality for doing dereferencing of remote accounts, statuses, etc, from federated instances.
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type Dereferencer interface {
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GetAccount(ctx context.Context, params GetAccountParams) (*gtsmodel.Account, error)
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GetStatus(ctx context.Context, username string, remoteStatusID *url.URL, refetch, includeParent bool) (*gtsmodel.Status, ap.Statusable, error)
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EnrichRemoteStatus(ctx context.Context, username string, status *gtsmodel.Status, includeParent bool) (*gtsmodel.Status, error)
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GetRemoteInstance(ctx context.Context, username string, remoteInstanceURI *url.URL) (*gtsmodel.Instance, error)
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DereferenceAnnounce(ctx context.Context, announce *gtsmodel.Status, requestingUsername string) error
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DereferenceThread(ctx context.Context, username string, statusIRI *url.URL, status *gtsmodel.Status, statusable ap.Statusable)
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GetRemoteMedia(ctx context.Context, requestingUsername string, accountID string, remoteURL string, ai *media.AdditionalMediaInfo) (*media.ProcessingMedia, error)
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GetRemoteEmoji(ctx context.Context, requestingUsername string, remoteURL string, shortcode string, domain string, id string, emojiURI string, ai *media.AdditionalEmojiInfo, refresh bool) (*media.ProcessingEmoji, error)
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Handshaking(ctx context.Context, username string, remoteAccountID *url.URL) bool
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}
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type deref struct {
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db db.DB
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typeConverter typeutils.TypeConverter
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transportController transport.Controller
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mediaManager media.Manager
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dereferencingAvatars map[string]*media.ProcessingMedia
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dereferencingAvatarsLock *sync.Mutex
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dereferencingHeaders map[string]*media.ProcessingMedia
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dereferencingHeadersLock *sync.Mutex
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dereferencingEmojis map[string]*media.ProcessingEmoji
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dereferencingEmojisLock *sync.Mutex
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handshakes map[string][]*url.URL
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handshakeSync *sync.Mutex // mutex to lock/unlock when checking or updating the handshakes map
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}
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// NewDereferencer returns a Dereferencer initialized with the given parameters.
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func NewDereferencer(db db.DB, typeConverter typeutils.TypeConverter, transportController transport.Controller, mediaManager media.Manager) Dereferencer {
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return &deref{
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db: db,
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typeConverter: typeConverter,
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transportController: transportController,
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mediaManager: mediaManager,
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dereferencingAvatars: make(map[string]*media.ProcessingMedia),
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dereferencingAvatarsLock: &sync.Mutex{},
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dereferencingHeaders: make(map[string]*media.ProcessingMedia),
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dereferencingHeadersLock: &sync.Mutex{},
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dereferencingEmojis: make(map[string]*media.ProcessingEmoji),
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dereferencingEmojisLock: &sync.Mutex{},
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handshakeSync: &sync.Mutex{},
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}
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}
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