113 lines
4.9 KiB
Go
113 lines
4.9 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 federation
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import (
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"context"
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"net/url"
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"github.com/superseriousbusiness/activity/pub"
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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/federation/dereferencing"
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"github.com/superseriousbusiness/gotosocial/internal/federation/federatingdb"
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"github.com/superseriousbusiness/gotosocial/internal/gtserror"
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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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// Federator wraps various interfaces and functions to manage activitypub federation from gotosocial
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type Federator interface {
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// FederatingActor returns the underlying pub.FederatingActor, which can be used to send activities, and serve actors at inboxes/outboxes.
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FederatingActor() pub.FederatingActor
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// FederatingDB returns the underlying FederatingDB interface.
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FederatingDB() federatingdb.DB
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// TransportController returns the underlying transport controller.
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TransportController() transport.Controller
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// AuthenticateFederatedRequest can be used to check the authenticity of incoming http-signed requests for federating resources.
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// The given username will be used to create a transport for making outgoing requests. See the implementation for more detailed comments.
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//
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// If the request is valid and passes authentication, the URL of the key owner ID will be returned, as well as true, and nil.
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//
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// If the request does not pass authentication, or there's a domain block, nil, false, nil will be returned.
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//
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// If something goes wrong during authentication, nil, false, and an error will be returned.
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AuthenticateFederatedRequest(ctx context.Context, username string) (*url.URL, gtserror.WithCode)
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/*
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dereferencing functions
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*/
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DereferenceRemoteThread(ctx context.Context, username string, statusURI *url.URL, status *gtsmodel.Status, statusable ap.Statusable)
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DereferenceAnnounce(ctx context.Context, announce *gtsmodel.Status, requestingUsername string) error
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GetAccount(ctx context.Context, params dereferencing.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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// Handshaking returns true if the given username is currently in the process of dereferencing the remoteAccountID.
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Handshaking(ctx context.Context, username string, remoteAccountID *url.URL) bool
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pub.CommonBehavior
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pub.FederatingProtocol
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}
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type federator struct {
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db db.DB
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federatingDB federatingdb.DB
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clock pub.Clock
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typeConverter typeutils.TypeConverter
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transportController transport.Controller
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dereferencer dereferencing.Dereferencer
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mediaManager media.Manager
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actor pub.FederatingActor
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}
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// NewFederator returns a new federator
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func NewFederator(db db.DB, federatingDB federatingdb.DB, transportController transport.Controller, typeConverter typeutils.TypeConverter, mediaManager media.Manager) Federator {
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dereferencer := dereferencing.NewDereferencer(db, typeConverter, transportController, mediaManager)
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clock := &Clock{}
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f := &federator{
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db: db,
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federatingDB: federatingDB,
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clock: &Clock{},
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typeConverter: typeConverter,
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transportController: transportController,
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dereferencer: dereferencer,
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mediaManager: mediaManager,
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}
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actor := newFederatingActor(f, f, federatingDB, clock)
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f.actor = actor
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return f
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}
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func (f *federator) FederatingActor() pub.FederatingActor {
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return f.actor
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}
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func (f *federator) FederatingDB() federatingdb.DB {
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return f.federatingDB
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}
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func (f *federator) TransportController() transport.Controller {
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return f.transportController
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}
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