74 lines
2.7 KiB
Go
74 lines
2.7 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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"fmt"
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"net/url"
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"github.com/superseriousbusiness/activity/pub"
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"github.com/superseriousbusiness/gotosocial/internal/uris"
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)
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// NewTransport returns a new Transport on behalf of a specific actor.
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//
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// The actorBoxIRI will be either the inbox or outbox of an actor who is
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// attempting to do the dereferencing or delivery. Any authentication
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// scheme applied on the request must be based on this actor. The
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// request must contain some sort of credential of the user, such as a
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// HTTP Signature.
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//
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// The gofedAgent passed in should be used by the Transport
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// implementation in the User-Agent, as well as the application-specific
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// user agent string. The gofedAgent will indicate this library's use as
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// well as the library's version number.
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//
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// Any server-wide rate-limiting that needs to occur should happen in a
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// Transport implementation. This factory function allows this to be
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// created, so peer servers are not DOS'd.
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//
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// Any retry logic should also be handled by the Transport
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// implementation.
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//
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// Note that the library will not maintain a long-lived pointer to the
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// returned Transport so that any private credentials are able to be
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// garbage collected.
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func (f *federator) NewTransport(ctx context.Context, actorBoxIRI *url.URL, gofedAgent string) (pub.Transport, error) {
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var username string
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var err error
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switch {
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case uris.IsInboxPath(actorBoxIRI):
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username, err = uris.ParseInboxPath(actorBoxIRI)
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if err != nil {
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return nil, fmt.Errorf("couldn't parse path %s as an inbox: %s", actorBoxIRI.String(), err)
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}
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case uris.IsOutboxPath(actorBoxIRI):
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username, err = uris.ParseOutboxPath(actorBoxIRI)
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if err != nil {
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return nil, fmt.Errorf("couldn't parse path %s as an outbox: %s", actorBoxIRI.String(), err)
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}
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default:
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return nil, fmt.Errorf("id %s was neither an inbox path nor an outbox path", actorBoxIRI.String())
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}
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return f.transportController.NewTransportForUsername(ctx, username)
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}
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