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[PLUGIN][ActivityPub][Inbox] Accept Follow Activity

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Improve how Core Activity is handled in general
This commit is contained in:
Diogo Peralta Cordeiro
2022-01-02 20:37:15 +00:00
parent afb7ae0f75
commit def5f36c25
18 changed files with 336 additions and 140 deletions
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68
plugins/ActivityPub/Util/Model/Activity.php
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@@ -34,16 +34,13 @@ namespace Plugin\ActivityPub\Util\Model;
use ActivityPhp\Type;
use ActivityPhp\Type\AbstractObject;
use App\Core\DB\DB;
use App\Core\Event;
use App\Core\Router\Router;
use App\Entity\Activity as GSActivity;
use App\Util\Exception\ClientException;
use App\Util\Exception\NoSuchActorException;
use App\Util\Exception\NotFoundException;
use DateTime;
use DateTimeInterface;
use Exception;
use InvalidArgumentException;
use Plugin\ActivityPub\ActivityPub;
use Plugin\ActivityPub\Entity\ActivitypubActivity;
@@ -105,34 +102,12 @@ class Activity extends Model
private static function handle_core_activity(\App\Entity\Actor $actor, AbstractObject $type_activity, mixed $type_object, ?ActivitypubActivity &$ap_act): ActivitypubActivity
{
if ($type_activity->get('type') === 'Create' && $type_object->get('type') === 'Note') {
if ($type_object instanceof AbstractObject) {
$note = Note::fromJson($type_object, ['test_authority' => true, 'actor_uri' => $type_activity->get('actor'), 'actor' => $actor, 'actor_id' => $actor->getId()]);
} else {
if ($type_object instanceof \App\Entity\Note) {
$note = $type_object;
} else {
throw new Exception('dunno bro');
}
}
// Store Activity
$act = GSActivity::create([
'actor_id' => $actor->getId(),
'verb' => 'create',
'object_type' => 'note',
'object_id' => $note->getId(),
'created' => new DateTime($type_activity->get('published') ?? 'now'),
'source' => 'ActivityPub',
]);
DB::persist($act);
// Store ActivityPub Activity
$ap_act = ActivitypubActivity::create([
'activity_id' => $act->getId(),
'activity_uri' => $type_activity->get('id'),
'created' => new DateTime($type_activity->get('published') ?? 'now'),
'modified' => new DateTime(),
]);
DB::persist($ap_act);
switch ($type_activity->get('type')) {
case 'Create':
ActivityCreate::handle_core_activity($actor, $type_activity, $type_object, $ap_act);
break;
case 'Follow':
ActivityFollow::handle_core_activity($actor, $type_activity, $type_object, $ap_act);
}
return $ap_act;
}
@@ -145,27 +120,28 @@ class Activity extends Model
public static function toJson(mixed $object, ?int $options = null): string
{
if ($object::class !== GSActivity::class) {
throw new InvalidArgumentException('First argument type is Activity');
throw new InvalidArgumentException('First argument type must be an Activity.');
}
$gs_verb_to_activity_stream_two_verb = null;
if (Event::handle('GSVerbToActivityStreamsTwoActivityType', [($verb = $object->getVerb()), &$gs_verb_to_activity_stream_two_verb]) === Event::next) {
$gs_verb_to_activity_stream_two_verb = match ($verb) {
'create' => 'Create',
'undo' => 'Undo',
default => throw new ClientException('Invalid verb'),
$gs_verb_to_activity_streams_two_verb = null;
if (Event::handle('GSVerbToActivityStreamsTwoActivityType', [($verb = $object->getVerb()), &$gs_verb_to_activity_streams_two_verb]) === Event::next) {
$gs_verb_to_activity_streams_two_verb = match ($verb) {
'undo' => 'Undo',
'create' => 'Create',
'subscribe' => 'Follow',
default => throw new ClientException('Invalid verb'),
};
}
$attr = [
'type' => $gs_verb_to_activity_stream_two_verb,
'type' => $gs_verb_to_activity_streams_two_verb,
'@context' => 'https://www.w3.org/ns/activitystreams',
'id' => Router::url('activity_view', ['id' => $object->getId()], Router::ABSOLUTE_URL),
'published' => $object->getCreated()->format(DateTimeInterface::RFC3339),
'actor' => $object->getActor()->getUri(Router::ABSOLUTE_URL),
'to' => ['https://www.w3.org/ns/activitystreams#Public'], // TODO: implement proper scope address
'cc' => ['https://www.w3.org/ns/activitystreams#Public'],
];
// Get object or Tombstone
try {
$object = $object->getObject(); // Throws NotFoundException
$attr['object'] = ($attr['type'] === 'Create') ? self::jsonToType(Model::toJson($object)) : ActivityPub::getUriByObject($object);
@@ -181,9 +157,13 @@ class Activity extends Model
]);
}
if (!\is_string($attr['object'])) {
$attr['to'] = array_unique(array_merge($attr['to'], $attr['object']->get('to') ?? []));
$attr['cc'] = array_unique(array_merge($attr['cc'], $attr['object']->get('cc') ?? []));
// If embedded non tombstone Object
if (!\is_string($attr['object']) && $attr['object']->get('type') !== 'Tombstone') {
// Little special case
if ($attr['type'] === 'Create' && $attr['object']->get('type') === 'Note') {
$attr['to'] = $attr['object']->get('to') ?? [];
$attr['cc'] = $attr['object']->get('cc') ?? [];
}
}
$type = self::jsonToType($attr);

84
plugins/ActivityPub/Util/Model/ActivityCreate.php Normal file
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@@ -0,0 +1,84 @@
<?php
declare(strict_types = 1);
// {{{ License
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GNU social is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with GNU social. If not, see <http://www.gnu.org/licenses/>.
// }}}
/**
* ActivityPub implementation for GNU social
*
* @package GNUsocial
* @category ActivityPub
*
* @author Diogo Peralta Cordeiro <@diogo.site>
* @copyright 2021 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
namespace Plugin\ActivityPub\Util\Model;
use _PHPStan_76800bfb5\Nette\NotImplementedException;
use ActivityPhp\Type\AbstractObject;
use App\Core\DB\DB;
use App\Entity\Activity as GSActivity;
use DateTime;
use Plugin\ActivityPub\ActivityPub;
use Plugin\ActivityPub\Entity\ActivitypubActivity;
/**
* This class handles translation between JSON and ActivityPub Activities
*
* @copyright 2021 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
class ActivityCreate extends Activity
{
protected static function handle_core_activity(\App\Entity\Actor $actor, AbstractObject $type_activity, mixed $type_object, ?ActivitypubActivity &$ap_act): ActivitypubActivity
{
if ($type_object instanceof AbstractObject) {
if ($type_object->get('type') === 'Note') {
$note = Note::fromJson($type_object, ['test_authority' => true, 'actor_uri' => $type_activity->get('actor'), 'actor' => $actor, 'actor_id' => $actor->getId()]);
} else {
throw new NotImplementedException('ActivityPub plugin can only handle Create with objects of type Note.');
}
} elseif ($type_object instanceof \App\Entity\Note) {
$note = $type_object;
} else {
throw new \http\Exception\InvalidArgumentException('Create{:Object} should be either an AbstractObject or a Note.');
}
// Store Activity
$act = GSActivity::create([
'actor_id' => $actor->getId(),
'verb' => 'create',
'object_type' => 'note',
'object_id' => $note->getId(),
'created' => new DateTime($type_activity->get('published') ?? 'now'),
'source' => 'ActivityPub',
]);
DB::persist($act);
// Store ActivityPub Activity
$ap_act = ActivitypubActivity::create([
'activity_id' => $act->getId(),
'activity_uri' => $type_activity->get('id'),
'created' => new DateTime($type_activity->get('published') ?? 'now'),
'modified' => new DateTime(),
]);
DB::persist($ap_act);
return $ap_act;
}
}

86
plugins/ActivityPub/Util/Model/ActivityFollow.php Normal file
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@@ -0,0 +1,86 @@
<?php
declare(strict_types = 1);
// {{{ License
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GNU social is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with GNU social. If not, see <http://www.gnu.org/licenses/>.
// }}}
/**
* ActivityPub implementation for GNU social
*
* @package GNUsocial
* @category ActivityPub
*
* @author Diogo Peralta Cordeiro <@diogo.site>
* @copyright 2021 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
namespace Plugin\ActivityPub\Util\Model;
use ActivityPhp\Type\AbstractObject;
use App\Core\DB\DB;
use App\Entity\Activity as GSActivity;
use Component\Subscription\Entity\Subscription;
use DateTime;
use InvalidArgumentException;
use Plugin\ActivityPub\Entity\ActivitypubActivity;
/**
* This class handles translation between JSON and ActivityPub Activities
*
* @copyright 2021 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
class ActivityFollow extends Activity
{
protected static function handle_core_activity(\App\Entity\Actor $actor, AbstractObject $type_activity, mixed $type_object, ?ActivitypubActivity &$ap_act): ActivitypubActivity
{
if ($type_object instanceof AbstractObject) {
$subscribed = Actor::fromJson($type_object);
} elseif ($type_object instanceof \App\Entity\Actor) {
$subscribed = $type_object;
} else {
throw new InvalidArgumentException('Follow{:Object} should be either an AbstractObject or an Actor.');
}
// Store Subscription
DB::persist(Subscription::create([
'subscriber_id' => $actor->getId(),
'subscribed_id' => $subscribed->getActorId(),
'created' => new DateTime($type_activity->get('published') ?? 'now'),
]));
// Store Activity
$act = GSActivity::create([
'actor_id' => $actor->getId(),
'verb' => 'subscribe',
'object_type' => 'actor',
'object_id' => $subscribed->getActorId(),
'created' => new DateTime($type_activity->get('published') ?? 'now'),
'source' => 'ActivityPub',
]);
DB::persist($act);
// Store ActivityPub Activity
$ap_act = ActivitypubActivity::create([
'activity_id' => $act->getId(),
'activity_uri' => $type_activity->get('id'),
'created' => new DateTime($type_activity->get('published') ?? 'now'),
'modified' => new DateTime(),
]);
DB::persist($ap_act);
return $ap_act;
}
}

2
plugins/ActivityPub/Util/Model/Actor.php
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@@ -177,7 +177,7 @@ class Actor extends Model
public static function toJson(mixed $object, ?int $options = null): string
{
if ($object::class !== GSActor::class) {
throw new InvalidArgumentException('First argument type is Actor');
throw new InvalidArgumentException('First argument type must be an Actor.');
}
$rsa = ActivitypubRsa::getByActor($object);
$public_key = $rsa->getPublicKey();

2
plugins/ActivityPub/Util/Model/Note.php
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@@ -308,7 +308,7 @@ class Note extends Model
public static function toJson(mixed $object, ?int $options = null): string
{
if ($object::class !== GSNote::class) {
throw new InvalidArgumentException('First argument type is Note');
throw new InvalidArgumentException('First argument type must be a Note.');
}
$attr = [