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\DB;
use App\Core\Entity;
use App\Core\Event;
use App\Core\Form;
use App\Core\GSFile;
use function App\Core\I18n\_m;
use App\Core\Modules\Component;
use App\Core\Router\Router;
use App\Core\Security;
use App\Entity\Activity;
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use App\Entity\Actor;
use App\Entity\GroupInbox;
use App\Entity\Language;
use App\Entity\Note;
use App\Util\Common;
use App\Util\Exception\ClientException;
use App\Util\Exception\DuplicateFoundException;
use App\Util\Exception\RedirectException;
use App\Util\Exception\ServerException;
use App\Util\Form\FormFields;
use App\Util\Formatting;
use Component\Attachment\Entity\ActorToAttachment;
use Component\Attachment\Entity\Attachment;
use Component\Attachment\Entity\AttachmentToNote;
use Component\Conversation\Conversation;
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use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
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use Symfony\Component\Form\Extension\Core\Type\FileType;
use Symfony\Component\Form\Extension\Core\Type\SubmitType;
use Symfony\Component\Form\Extension\Core\Type\TextareaType;
use Symfony\Component\HttpFoundation\File\Exception\FormSizeFileException;
use Symfony\Component\HttpFoundation\File\UploadedFile;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\Validator\Constraints\Length;
class Posting extends Component
{
/**
* 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 ClientException
* @throws RedirectException
* @throws ServerException
*/
public function onAppendRightPostingBlock(Request $request, array &$res): bool
{
if (\is_null($user = Common::user())) {
return Event::next;
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}
$actor = $user->getActor();
$actor_id = $user->getId();
$to_tags = [];
$tags = Cache::get(
"actor-circle-{$actor_id}",
fn () => DB::dql('select c.tag from App\Entity\ActorCircle c where c.tagger = :tagger', ['tagger' => $actor_id]),
);
foreach ($tags as $t) {
$t = $t['tag'];
$to_tags[$t] = $t;
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}
$placeholder_strings = ['How are you feeling?', 'Have something to share?', 'How was your day?'];
Event::handle('PostingPlaceHolderString', [&$placeholder_strings]);
$placeholder = $placeholder_strings[array_rand($placeholder_strings)];
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$initial_content = '';
Event::handle('PostingInitialContent', [&$initial_content]);
$available_content_types = [
'Plain Text' => 'text/plain',
];
Event::handle('PostingAvailableContentTypes', [&$available_content_types]);
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// TODO: this needs work
// This is where we'd plug in the group in which the actor is posting, or whom they're replying to
// store local note needs to know what conversation it is
// Conversation adds the respective query string on route url, for groups it should be handled by an event
$to_query = $request->get('actor_id');
$context_actor = null;
// Actor is posting in a group?
if (!\is_null($to_query)) {
// Getting the actor itself
$context_actor = Actor::getById((int) $to_query);
// Adding it to the to_tags array TODO: this is wrong
$to_tags[] = $context_actor->getNickname();
}
$form_params = [
['to', ChoiceType::class, ['label' => _m('To:'), 'multiple' => false, 'expanded' => false, 'choices' => $to_tags]],
['visibility', ChoiceType::class, ['label' => _m('Visibility:'), 'multiple' => false, 'expanded' => false, 'data' => 'public', 'choices' => [_m('Public') => 'public', _m('Instance') => 'instance', _m('Private') => 'private']]],
['content', TextareaType::class, ['label' => _m('Content:'), 'data' => $initial_content, 'attr' => ['placeholder' => _m($placeholder)], 'constraints' => [new Length(['max' => Common::config('site', 'text_limit')])]]],
['attachments', FileType::class, ['label' => _m('Attachments:'), 'multiple' => true, 'required' => false, 'invalid_message' => _m('Attachment not valid.')]],
FormFields::language($actor, $context_actor, label: _m('Note language:'), help: _m('The selected language will be federated and added as a lang attribute, preferred language can be set up in settings')),
];
if (\count($available_content_types) > 1) {
$form_params[] = ['content_type', ChoiceType::class,
[
'label' => _m('Text format:'), 'multiple' => false, 'expanded' => false,
'data' => $available_content_types[array_key_first($available_content_types)],
'choices' => $available_content_types,
],
];
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}
Event::handle('PostingAddFormEntries', [$request, $actor, &$form_params]);
$form_params[] = ['post_note', SubmitType::class, ['label' => _m('Post')]];
$form = Form::create($form_params);
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$form->handleRequest($request);
if ($form->isSubmitted()) {
try {
if ($form->isValid()) {
$data = $form->getData();
if (empty($data['content']) && empty($data['attachments'])) {
// TODO Display error: At least one of `content` and `attachments` must be provided
throw new ClientException(_m('You must enter content or provide at least one attachment to post a note'));
}
$content_type = $data['content_type'] ?? $available_content_types[array_key_first($available_content_types)];
$extra_args = [];
Event::handle('AddExtraArgsToNoteContent', [$request, $actor, $data, &$extra_args, $form_params, $form]);
self::storeLocalNote(
$user->getActor(),
$data['content'],
$content_type,
$data['language'],
$data['attachments'],
process_note_content_extra_args: $extra_args,
);
throw new RedirectException();
}
} catch (FormSizeFileException $sizeFileException) {
throw new FormSizeFileException();
}
}
$res['post_form'] = $form->createView();
return Event::next;
}
/**
* 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 array $attachments Array of 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
*
* @throws ClientException
* @throws DuplicateFoundException
* @throws ServerException
*
* @return Entity|mixed
*/
public static function storeLocalNote(
Actor $actor,
?string $content,
string $content_type,
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?string $language = null,
array $attachments = [],
array $processed_attachments = [],
array $process_note_content_extra_args = [],
) {
$rendered = null;
$mentions = [];
if (!empty($content)) {
Event::handle('RenderNoteContent', [$content, $content_type, &$rendered, $actor, $language, &$mentions]);
}
$note = Note::create([
'actor_id' => $actor->getId(),
'content' => $content,
'content_type' => $content_type,
'rendered' => $rendered,
'language_id' => !\is_null($language) ? Language::getByLocale($language)->getId() : null,
'is_local' => true,
]);
/** @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);
// 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]);
}
// Assign conversation to this note
// AddExtraArgsToNoteContent already added the info we need
$reply_to = $process_note_content_extra_args['reply_to'];
Conversation::assignLocalConversation($note, $reply_to);
if ($processed_attachments !== []) {
foreach ($processed_attachments as [$a, $fname]) {
if (DB::count('actor_to_attachment', $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' => $note->getId(),
'source' => 'web',
]);
DB::persist($activity);
$mentioned = [];
foreach ($mentions as $mention) {
foreach ($mention['mentioned'] as $m) {
if (!\is_null($m)) {
$mentioned[] = $m->getId();
if ($m->isGroup()) {
DB::persist(GroupInbox::create([
'group_id' => $m->getId(),
'activity_id' => $activity->getId(),
]));
}
}
}
}
DB::flush();
Event::handle('NewNotification', [$actor, $activity, ['object' => $mentioned], "{$actor->getNickname()} created note {$note->getUrl()}"]);
return $note;
}
public function onRenderNoteContent(string $content, string $content_type, ?string &$rendered, Actor $author, ?string $language = null, array &$mentions = [])
{
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
$rendered = Security::sanitize($content);
return Event::stop;
default:
return Event::next;
}
}
}