mirror of
https://github.com/superseriousbusiness/gotosocial.git
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87cf621e21
Remote instances are now dereferenced when they post to an inbox on a GtS instance.
Dereferencing will be done first by checking the /api/v1/instance endpoint of an instance.
If that doesn't work, /.well-known/nodeinfo will be checked.
If that doesn't work, only a minimal representation of the instance will be stored.
A new field was added to the Instance database model. To create it:
alter table instances add column contact_account_username text;
85 lines
3.1 KiB
Go
85 lines
3.1 KiB
Go
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/go-fed/activity/pub"
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"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
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"github.com/superseriousbusiness/gotosocial/internal/transport"
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"github.com/superseriousbusiness/gotosocial/internal/util"
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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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if util.IsInboxPath(actorBoxIRI) {
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username, err = util.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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} else if util.IsOutboxPath(actorBoxIRI) {
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username, err = util.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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} else {
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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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account := >smodel.Account{}
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if err := f.db.GetLocalAccountByUsername(username, account); err != nil {
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return nil, fmt.Errorf("error getting account with username %s from the db: %s", username, err)
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}
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return f.transportController.NewTransport(account.PublicKeyURI, account.PrivateKey)
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}
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func (f *federator) GetTransportForUser(username string) (transport.Transport, error) {
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// We need an account to use to create a transport for dereferecing something.
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// If a username has been given, we can fetch the account with that username and use it.
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// Otherwise, we can take the instance account and use those credentials to make the request.
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ourAccount := >smodel.Account{}
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var u string
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if username == "" {
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u = f.config.Host
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} else {
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u = username
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}
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if err := f.db.GetLocalAccountByUsername(u, ourAccount); err != nil {
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return nil, fmt.Errorf("error getting account %s from db: %s", username, err)
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}
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transport, err := f.transportController.NewTransport(ourAccount.PublicKeyURI, ourAccount.PrivateKey)
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if err != nil {
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return nil, fmt.Errorf("error creating transport for user %s: %s", username, err)
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}
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return transport, nil
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}
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