gnu-social/components/Posting/Posting.php

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<?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/>.
// }}}
namespace Component\Posting;
use App\Core\Cache;
use App\Core\DB;
use App\Core\Event;
use App\Core\GSFile;
use function App\Core\I18n\_m;
use App\Core\Modules\Component;
use App\Core\Router;
use App\Core\VisibilityScope;
use App\Entity\Activity;
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use App\Entity\Actor;
use App\Entity\Note;
use App\Util\Common;
use App\Util\Exception\BugFoundException;
use App\Util\Exception\ClientException;
use App\Util\Exception\DuplicateFoundException;
use App\Util\Exception\RedirectException;
use App\Util\Exception\ServerException;
use App\Util\Formatting;
use App\Util\HTML;
use Component\Attachment\Entity\ActorToAttachment;
use Component\Attachment\Entity\AttachmentToNote;
use Component\Conversation\Conversation;
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use Component\Language\Entity\Language;
use Component\Notification\Entity\Attention;
use EventResult;
use Symfony\Component\HttpFoundation\File\UploadedFile;
use Symfony\Component\HttpFoundation\Request;
class Posting extends Component
{
public const route = 'posting_form_action';
public function onAddRoute(Router $r): EventResult
{
$r->connect(self::route, '/form/posting', Controller\Posting::class);
return Event::next;
}
/**
* HTML render event handler responsible for adding and handling
* the result of adding the note submission form, only if a user is logged in
*
* @throws BugFoundException
* @throws ClientException
* @throws DuplicateFoundException
* @throws RedirectException
* @throws ServerException
*/
public function onAddMainRightPanelBlock(Request $request, array &$res): EventResult
{
if (\is_null($user = Common::user()) || preg_match('(feed|conversation|group|view)', $request->get('_route')) === 0) {
return Event::next;
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}
$res['post_form'] = Form\Posting::create($request)->createView();
return Event::next;
}
/**
* @throws ClientException
* @throws DuplicateFoundException
* @throws ServerException
*/
public static function storeLocalArticle(
Actor $actor,
?string $content,
string $content_type,
?string $locale = null,
?VisibilityScope $scope = null,
array $attentions = [],
null|int|Note $reply_to = null,
array $attachments = [],
array $processed_attachments = [],
array $process_note_content_extra_args = [],
bool $flush_and_notify = true,
?string $rendered = null,
string $source = 'web',
?string $title = null,
): array {
[$activity, $note, $effective_attentions] = self::storeLocalNote(
actor: $actor,
content: $content,
content_type: $content_type,
locale: $locale,
scope: $scope,
attentions: $attentions,
reply_to: $reply_to,
attachments: $attachments,
processed_attachments: $processed_attachments,
process_note_content_extra_args: $process_note_content_extra_args,
flush_and_notify: false,
rendered: $rendered,
source: $source,
);
$note->setType('article');
$note->setTitle($title);
if ($flush_and_notify) {
// Flush before notification
DB::flush();
Event::handle('NewNotification', [
$actor,
$activity,
$effective_attentions,
_m('Actor {actor_id} created article {note_id}.', [
'{actor_id}' => $actor->getId(),
'{note_id}' => $activity->getObjectId(),
]),
]);
}
return [$activity, $note, $effective_attentions];
}
/**
* Store the given note with $content and $attachments, created by
* $actor_id, possibly as a reply to note $reply_to and with flag
* $is_local. Sanitizes $content and $attachments
*
* @param Actor $actor The Actor responsible for the creation of this Note
* @param null|string $content The raw text content
* @param string $content_type Indicating one of the various supported content format (Plain Text, Markdown, LaTeX...)
* @param null|string $locale Note's written text language, set by the default Actor language or upon filling
* @param null|VisibilityScope $scope The visibility of this Note
* @param array $attentions Actor|int[]: In Group/To Person or Bot, registers an attention between note and target
* @param null|int|Note $reply_to The soon-to-be Note parent's id, if it's a Reply itself
* @param array $attachments UploadedFile[] to be stored as GSFiles associated to this note
* @param array $processed_attachments Array of [Attachment, Attachment's name][] to be associated to this $actor and Note
* @param array $process_note_content_extra_args Extra arguments for the event ProcessNoteContent
* @param bool $flush_and_notify True if the newly created Note activity should be passed on as a Notification
* @param null|string $rendered The Note's content post RenderNoteContent event, which sanitizes and processes the raw content sent
* @param string $source The source of this Note
*
* @throws ClientException
* @throws DuplicateFoundException
* @throws ServerException
*
* @return array [Activity, Note, Effective Attentions]
*/
public static function storeLocalNote(
Actor $actor,
?string $content,
string $content_type,
?string $locale = null,
?VisibilityScope $scope = null,
array $attentions = [],
null|int|Note $reply_to = null,
array $attachments = [],
array $processed_attachments = [],
array $process_note_content_extra_args = [],
bool $flush_and_notify = true,
?string $rendered = null,
string $source = 'web',
): array {
$scope ??= VisibilityScope::EVERYWHERE; // TODO: If site is private, default to LOCAL
$reply_to_id = \is_null($reply_to) ? null : (\is_int($reply_to) ? $reply_to : $reply_to->getId());
$mentions = [];
if (\is_null($rendered) && !empty($content)) {
Event::handle('RenderNoteContent', [$content, $content_type, &$rendered, $actor, $locale, &$mentions]);
}
$note = Note::create([
'actor_id' => $actor->getId(),
'content' => $content,
'content_type' => $content_type,
'rendered' => $rendered,
'language_id' => !\is_null($locale) ? Language::getByLocale($locale)->getId() : null,
'is_local' => true,
'scope' => $scope,
'reply_to' => $reply_to_id,
'source' => $source,
]);
/** @var UploadedFile[] $attachments */
foreach ($attachments as $f) {
$filesize = $f->getSize();
$max_file_size = Common::getUploadLimit();
if ($max_file_size < $filesize) {
throw new ClientException(_m('No file may be larger than {quota} bytes and the file you sent was {size} bytes. '
. 'Try to upload a smaller version.', ['quota' => $max_file_size, 'size' => $filesize], ));
}
Event::handle('EnforceUserFileQuota', [$filesize, $actor->getId()]);
$processed_attachments[] = [GSFile::storeFileAsAttachment($f), $f->getClientOriginalName()];
}
DB::persist($note);
Conversation::assignLocalConversation($note, $reply_to_id);
// Update replies cache
if (!\is_null($reply_to_id)) {
Cache::incr(Note::cacheKeys($reply_to_id)['replies-count']);
// Not having them cached doesn't mean replies don't exist, but don't push it to the
// list, as that means they need to be re-fetched, or some would be missed
if (Cache::exists(Note::cacheKeys($reply_to_id)['replies'])) {
Cache::listPushRight(Note::cacheKeys($reply_to_id)['replies'], $note);
}
}
// Need file and note ids for the next step
$note->setUrl(Router::url('note_view', ['id' => $note->getId()], Router::ABSOLUTE_URL));
if (!empty($content)) {
Event::handle('ProcessNoteContent', [$note, $content, $content_type, $process_note_content_extra_args]);
}
// These are note attachments now, and not just attachments, ensure these relations are respected
if ($processed_attachments !== []) {
foreach ($processed_attachments as [$a, $fname]) {
// Most attachments should already be associated with its author, but maybe it didn't make sense
//for this attachment, or it's simply a repost of an attachment by a different actor
if (DB::count(ActorToAttachment::class, $args = ['attachment_id' => $a->getId(), 'actor_id' => $actor->getId()]) === 0) {
DB::persist(ActorToAttachment::create($args));
}
DB::persist(AttachmentToNote::create(['attachment_id' => $a->getId(), 'note_id' => $note->getId(), 'title' => $fname]));
}
}
$activity = Activity::create([
'actor_id' => $actor->getId(),
'verb' => 'create',
'object_type' => 'note',
'object_id' => $note->getId(),
'source' => $source,
]);
DB::persist($activity);
$effective_attentions = [];
foreach ($attentions as $target) {
if (\is_int($target)) {
$target_id = $target;
$add = !\array_key_exists($target_id, $effective_attentions);
$effective_attentions[$target_id] = $target;
} else {
$target_id = $target->getId();
if ($add = !\array_key_exists($target_id, $effective_attentions)) {
$effective_attentions[$target_id] = $target_id;
}
}
if ($add) {
DB::persist(Attention::create(['object_type' => Note::schemaName(), 'object_id' => $note->getId(), 'target_id' => $target_id]));
}
}
foreach ($mentions as $m) {
foreach ($m['mentioned'] ?? [] as $mentioned) {
$target_id = $mentioned->getId();
if (!\array_key_exists($target_id, $effective_attentions)) {
DB::persist(Attention::create(['object_type' => Note::schemaName(), 'object_id' => $note->getId(), 'target_id' => $target_id]));
}
$effective_attentions[$target_id] = $mentioned;
}
}
foreach ($actor->getSubscribers() as $subscriber) {
$target_id = $subscriber->getId();
DB::persist(Attention::create(['object_type' => Activity::schemaName(), 'object_id' => $activity->getId(), 'target_id' => $target_id]));
$effective_attentions[$target_id] = $subscriber;
}
if ($flush_and_notify) {
// Flush before notification
DB::flush();
Event::handle('NewNotification', [
$actor,
$activity,
$effective_attentions,
_m('Actor {actor_id} created note {note_id}.', [
'{actor_id}' => $actor->getId(),
'{note_id}' => $activity->getObjectId(),
]),
]);
}
return [$activity, $note, $effective_attentions];
}
public function onRenderNoteContent(string $content, string $content_type, ?string &$rendered, Actor $author, ?string $language = null, array &$mentions = []): EventResult
{
switch ($content_type) {
case 'text/plain':
$rendered = Formatting::renderPlainText($content, $language);
[$rendered, $mentions] = Formatting::linkifyMentions($rendered, $author, $language);
return Event::stop;
case 'text/html':
// TODO: It has to linkify and stuff as well
$rendered = HTML::sanitize($content);
return Event::stop;
default:
return Event::next;
}
}
}