mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-12-22 10:12:11 +00:00
8effc77788
* improved federatingdb logging in cases of unknown iri / types, add new log methods * whoops; forgot to wrap log argument in serialize{} ! * use debug instead of warn level * switch last entry to Debug
280 lines
8.9 KiB
Go
280 lines
8.9 KiB
Go
// GoToSocial
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// Copyright (C) GoToSocial Authors admin@gotosocial.org
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// SPDX-License-Identifier: AGPL-3.0-or-later
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//
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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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//
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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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//
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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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package federatingdb
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import (
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"context"
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"encoding/json"
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"fmt"
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"net/url"
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"codeberg.org/gruf/go-byteutil"
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"github.com/superseriousbusiness/activity/streams"
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"github.com/superseriousbusiness/activity/streams/vocab"
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"github.com/superseriousbusiness/gotosocial/internal/ap"
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"github.com/superseriousbusiness/gotosocial/internal/config"
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"github.com/superseriousbusiness/gotosocial/internal/db"
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"github.com/superseriousbusiness/gotosocial/internal/gtscontext"
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"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
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"github.com/superseriousbusiness/gotosocial/internal/id"
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"github.com/superseriousbusiness/gotosocial/internal/log"
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"github.com/superseriousbusiness/gotosocial/internal/uris"
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)
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func typeNames(objects []ap.TypeOrIRI) []string {
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names := make([]string, len(objects))
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for i, object := range objects {
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if object.IsIRI() {
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names[i] = "IRI"
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} else if t := object.GetType(); t != nil {
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names[i] = t.GetTypeName()
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} else {
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names[i] = "nil"
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}
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}
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return names
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}
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// isSender returns whether an object with AttributedTo property comes from the given requesting account.
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func isSender(with ap.WithAttributedTo, requester *gtsmodel.Account) bool {
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for _, uri := range ap.GetAttributedTo(with) {
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if uri.String() == requester.URI {
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return true
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}
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}
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return false
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}
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func sameActor(actor1 vocab.ActivityStreamsActorProperty, actor2 vocab.ActivityStreamsActorProperty) bool {
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if actor1 == nil || actor2 == nil {
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return false
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}
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for a1Iter := actor1.Begin(); a1Iter != actor1.End(); a1Iter = a1Iter.Next() {
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for a2Iter := actor2.Begin(); a2Iter != actor2.End(); a2Iter = a2Iter.Next() {
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if a1Iter.GetIRI() == nil {
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return false
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}
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if a2Iter.GetIRI() == nil {
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return false
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}
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if a1Iter.GetIRI().String() == a2Iter.GetIRI().String() {
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return true
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}
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}
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}
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return false
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}
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// NewID creates a new IRI id for the provided activity or object. The
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// implementation does not need to set the 'id' property and simply
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// needs to determine the value.
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//
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// The go-fed library will handle setting the 'id' property on the
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// activity or object provided with the value returned.
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func (f *federatingDB) NewID(ctx context.Context, t vocab.Type) (idURL *url.URL, err error) {
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log.DebugKV(ctx, "newID", serialize{t})
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// Most of our types set an ID already
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// by this point, return this if found.
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idProp := t.GetJSONLDId()
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if idProp != nil && idProp.IsIRI() {
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return idProp.GetIRI(), nil
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}
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if t.GetTypeName() == ap.ActivityFollow {
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follow, _ := t.(vocab.ActivityStreamsFollow)
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// If an actor URI has been set, create a new ID
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// based on actor (i.e. followER not the followEE).
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if uri := ap.GetActorIRIs(follow); len(uri) == 1 {
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if actorAccount, err := f.state.DB.GetAccountByURI(ctx, uri[0].String()); err == nil {
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newID, err := id.NewRandomULID()
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if err != nil {
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return nil, err
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}
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return url.Parse(uris.GenerateURIForFollow(actorAccount.Username, newID))
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}
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}
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}
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// Default fallback behaviour:
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// {proto}://{host}/{randomID}
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newID, err := id.NewRandomULID()
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if err != nil {
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return nil, err
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}
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return url.Parse(fmt.Sprintf("%s://%s/%s", config.GetProtocol(), config.GetHost(), newID))
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}
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// ActorForOutbox fetches the actor's IRI for the given outbox IRI.
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//
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// The library makes this call only after acquiring a lock first.
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func (f *federatingDB) ActorForOutbox(ctx context.Context, outboxIRI *url.URL) (actorIRI *url.URL, err error) {
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acct, err := f.getAccountForIRI(ctx, outboxIRI)
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if err != nil {
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return nil, err
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}
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return url.Parse(acct.URI)
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}
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// ActorForInbox fetches the actor's IRI for the given outbox IRI.
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//
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// The library makes this call only after acquiring a lock first.
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func (f *federatingDB) ActorForInbox(ctx context.Context, inboxIRI *url.URL) (actorIRI *url.URL, err error) {
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acct, err := f.getAccountForIRI(ctx, inboxIRI)
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if err != nil {
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return nil, err
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}
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return url.Parse(acct.URI)
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}
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// getAccountForIRI returns the account that corresponds to or owns the given IRI.
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func (f *federatingDB) getAccountForIRI(ctx context.Context, iri *url.URL) (*gtsmodel.Account, error) {
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var (
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acct *gtsmodel.Account
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err error
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)
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switch {
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case uris.IsUserPath(iri):
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if acct, err = f.state.DB.GetAccountByURI(ctx, iri.String()); err != nil {
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if err == db.ErrNoEntries {
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return nil, fmt.Errorf("no actor found that corresponds to uri %s", iri.String())
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}
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return nil, fmt.Errorf("db error searching for actor with uri %s", iri.String())
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}
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return acct, nil
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case uris.IsInboxPath(iri):
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if acct, err = f.state.DB.GetAccountByInboxURI(ctx, iri.String()); err != nil {
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if err == db.ErrNoEntries {
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return nil, fmt.Errorf("no actor found that corresponds to inbox %s", iri.String())
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}
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return nil, fmt.Errorf("db error searching for actor with inbox %s", iri.String())
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}
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return acct, nil
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case uris.IsOutboxPath(iri):
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if acct, err = f.state.DB.GetAccountByOutboxURI(ctx, iri.String()); err != nil {
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if err == db.ErrNoEntries {
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return nil, fmt.Errorf("no actor found that corresponds to outbox %s", iri.String())
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}
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return nil, fmt.Errorf("db error searching for actor with outbox %s", iri.String())
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}
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return acct, nil
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case uris.IsFollowersPath(iri):
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if acct, err = f.state.DB.GetAccountByFollowersURI(ctx, iri.String()); err != nil {
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if err == db.ErrNoEntries {
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return nil, fmt.Errorf("no actor found that corresponds to followers_uri %s", iri.String())
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}
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return nil, fmt.Errorf("db error searching for actor with followers_uri %s", iri.String())
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}
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return acct, nil
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case uris.IsFollowingPath(iri):
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if acct, err = f.state.DB.GetAccountByFollowingURI(ctx, iri.String()); err != nil {
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if err == db.ErrNoEntries {
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return nil, fmt.Errorf("no actor found that corresponds to following_uri %s", iri.String())
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}
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return nil, fmt.Errorf("db error searching for actor with following_uri %s", iri.String())
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}
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return acct, nil
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default:
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return nil, fmt.Errorf("getActorForIRI: iri %s not recognised", iri)
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}
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}
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// collectFollows takes a slice of iris and converts them into ActivityStreamsCollection of IRIs.
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func (f *federatingDB) collectIRIs(ctx context.Context, iris []*url.URL) (vocab.ActivityStreamsCollection, error) {
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collection := streams.NewActivityStreamsCollection()
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items := streams.NewActivityStreamsItemsProperty()
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for _, i := range iris {
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items.AppendIRI(i)
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}
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collection.SetActivityStreamsItems(items)
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return collection, nil
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}
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// activityContext represents the context in
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// which a call to one of the federatingdb
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// functions is taking place, including the
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// account who initiated the request via POST
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// to an inbox, and the account who received
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// the request in their inbox.
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type activityContext struct {
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// The account that owns the inbox
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// or URI being interacted with.
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receivingAcct *gtsmodel.Account
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// The account whose keyId was used
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// to POST a request to the inbox.
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requestingAcct *gtsmodel.Account
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// Whether this is an internal request,
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// ie., one originating not from the
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// API but from inside the instance.
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//
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// If the request is internal, it's
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// safe to assume that the activity
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// has already been processed elsewhere,
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// and we can return with no action.
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internal bool
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}
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// getActivityContext extracts the context in
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// which an Activity is taking place from the
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// context.Context passed in to one of the
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// federatingdb functions.
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func getActivityContext(ctx context.Context) activityContext {
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receivingAcct := gtscontext.ReceivingAccount(ctx)
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requestingAcct := gtscontext.RequestingAccount(ctx)
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// If the receiving account wasn't set on
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// the context, that means this request
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// didn't pass through the fedi API, but
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// came from inside the instance as the
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// result of a local activity.
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internal := receivingAcct == nil
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return activityContext{
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receivingAcct: receivingAcct,
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requestingAcct: requestingAcct,
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internal: internal,
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}
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}
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// serialize wraps a vocab.Type to provide
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// lazy-serialization along with error output.
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type serialize struct{ item vocab.Type }
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func (s serialize) String() string {
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m, err := ap.Serialize(s.item)
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if err != nil {
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return "!(error serializing item: " + err.Error() + ")"
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}
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b, err := json.Marshal(m)
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if err != nil {
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return "!(error json marshaling item: " + err.Error() + ")"
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}
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return byteutil.B2S(b)
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}
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