453 lines
14 KiB
PHP
453 lines
14 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2010-2023, the Friendica project
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*
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* @license GNU AGPL version 3 or any later version
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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
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* published by the Free Software Foundation, either version 3 of the
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* License, or (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 <https://www.gnu.org/licenses/>.
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*
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* This is the POST destination for most all locally posted
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* text stuff. This function handles status, wall-to-wall status,
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* local comments, and remote coments that are posted on this site
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* (as opposed to being delivered in a feed).
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* Also processed here are posts and comments coming through the
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* statusnet/twitter API.
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*
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* All of these become an "item" which is our basic unit of
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* information.
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*/
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use Friendica\App;
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use Friendica\Content\Text\BBCode;
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use Friendica\Core\Hook;
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use Friendica\Core\Logger;
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use Friendica\Core\Protocol;
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use Friendica\Core\System;
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use Friendica\Core\Worker;
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use Friendica\Database\DBA;
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use Friendica\DI;
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use Friendica\Model\Contact;
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use Friendica\Model\Item;
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use Friendica\Model\ItemURI;
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use Friendica\Model\Photo;
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use Friendica\Model\Post;
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use Friendica\Network\HTTPException;
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use Friendica\Protocol\Activity;
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use Friendica\Util\DateTimeFormat;
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function item_post(App $a) {
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$uid = DI::userSession()->getLocalUserId();
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if (!DI::userSession()->isAuthenticated() || !$uid) {
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throw new HTTPException\ForbiddenException();
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}
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if (!empty($_REQUEST['dropitems'])) {
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$arr_drop = explode(',', $_REQUEST['dropitems']);
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foreach ($arr_drop as $item) {
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Item::deleteForUser(['id' => $item], $uid);
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}
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$json = ['success' => 1];
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System::jsonExit($json);
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}
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Hook::callAll('post_local_start', $_REQUEST);
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$return_path = $_REQUEST['return'] ?? '';
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$preview = intval($_REQUEST['preview'] ?? 0);
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/*
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* Check for doubly-submitted posts, and reject duplicates
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* Note that we have to ignore previews, otherwise nothing will post
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* after it's been previewed
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*/
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if (!$preview && !empty($_REQUEST['post_id_random'])) {
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if (!empty($_SESSION['post-random']) && $_SESSION['post-random'] == $_REQUEST['post_id_random']) {
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Logger::warning('duplicate post');
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item_post_return(DI::baseUrl(), $return_path);
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} else {
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$_SESSION['post-random'] = $_REQUEST['post_id_random'];
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}
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}
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$post_id = intval($_REQUEST['post_id'] ?? 0);
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// is this an edited post?
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if ($post_id > 0) {
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$orig_post = Post::selectFirst(Item::ITEM_FIELDLIST, ['id' => $post_id]);
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} else {
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$orig_post = null;
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}
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$emailcc = trim($_REQUEST['emailcc'] ?? '');
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$post = ['uid' => $uid];
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$post = DI::contentItem()->initializePost($post);
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$post['edit'] = $orig_post;
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$post['self'] = true;
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$post['api_source'] = false;
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$post['file'] = '';
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$post['attach'] = '';
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$post['inform'] = '';
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$post['postopts'] = '';
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$post['wall'] = $_REQUEST['wall'] ?? true;
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$post['post-type'] = $_REQUEST['post_type'] ?? '';
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$post['title'] = trim($_REQUEST['title'] ?? '');
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$post['body'] = $_REQUEST['body'] ?? '';
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$post['location'] = trim($_REQUEST['location'] ?? '');
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$post['coord'] = trim($_REQUEST['coord'] ?? '');
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$post['parent'] = intval($_REQUEST['parent'] ?? 0);
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$post['pubmail'] = $_REQUEST['pubmail_enable'] ?? false;
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$post['created'] = $_REQUEST['created_at'] ?? DateTimeFormat::utcNow();
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$post['edited'] = $post['changed'] = $post['commented'] = $post['created'];
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$post['app'] = '';
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if ($post['parent']) {
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if ($post['parent']) {
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$parent_item = Post::selectFirst(Item::ITEM_FIELDLIST, ['id' => $post['parent']]);
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}
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// if this isn't the top-level parent of the conversation, find it
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if (DBA::isResult($parent_item)) {
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// The URI and the contact is taken from the direct parent which needn't to be the top parent
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$post['thr-parent'] = $parent_item['uri'];
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$toplevel_item = $parent_item;
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if ($parent_item['gravity'] != Item::GRAVITY_PARENT) {
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$toplevel_item = Post::selectFirst(Item::ITEM_FIELDLIST, ['id' => $toplevel_item['parent']]);
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}
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}
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if (!DBA::isResult($toplevel_item)) {
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DI::sysmsg()->addNotice(DI::l10n()->t('Unable to locate original post.'));
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if ($return_path) {
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DI::baseUrl()->redirect($return_path);
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}
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throw new HTTPException\NotFoundException(DI::l10n()->t('Unable to locate original post.'));
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}
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// When commenting on a public post then store the post for the current user
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// This enables interaction like starring and saving into folders
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if ($toplevel_item['uid'] == 0) {
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$stored = Item::storeForUserByUriId($toplevel_item['uri-id'], $post['uid'], ['post-reason' => Item::PR_ACTIVITY]);
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Logger::info('Public item stored for user', ['uri-id' => $toplevel_item['uri-id'], 'uid' => $post['uid'], 'stored' => $stored]);
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if ($stored) {
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$toplevel_item = Post::selectFirst(Item::ITEM_FIELDLIST, ['id' => $stored]);
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}
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}
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$post['parent'] = $toplevel_item['id'];
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$post['gravity'] = Item::GRAVITY_COMMENT;
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$post['wall'] = $toplevel_item['wall'];
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} else {
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$parent_item = [];
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$post['parent'] = 0;
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$post['gravity'] = Item::GRAVITY_PARENT;
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$post['thr-parent'] = $post['uri'];
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}
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$post = DI::contentItem()->getACL($post, $parent_item, $_REQUEST);
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$post['pubmail'] = $post['pubmail'] && !$post['private'];
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if (!empty($orig_post)) {
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$post['file'] = Post\Category::getTextByURIId($orig_post['uri-id'], $orig_post['uid']);
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}
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$post = DI::contentItem()->addCategories($post, $_REQUEST['category'] ?? '');
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if (!$preview) {
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if (Photo::setPermissionFromBody($post['body'], $post['uid'], $post['contact-id'], $post['allow_cid'], $post['allow_gid'], $post['deny_cid'], $post['deny_gid'])) {
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$post['object-type'] = Activity\ObjectType::IMAGE;
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}
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$post = DI::contentItem()->moveAttachmentsFromBodyToAttach($post);
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}
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// Add the attachment to the body.
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if (!empty($_REQUEST['has_attachment'])) {
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$post['body'] .= DI::contentItem()->storeAttachmentFromRequest($_REQUEST);
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}
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$post = DI::contentItem()->finalizePost($post);
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if (!strlen($post['body'])) {
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if ($preview) {
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System::jsonExit(['preview' => '']);
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}
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DI::sysmsg()->addNotice(DI::l10n()->t('Empty post discarded.'));
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if ($return_path) {
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DI::baseUrl()->redirect($return_path);
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}
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throw new HTTPException\BadRequestException(DI::l10n()->t('Empty post discarded.'));
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}
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// preview mode - prepare the body for display and send it via json
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if ($preview) {
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// We have to preset some fields, so that the conversation can be displayed
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$post['id'] = -1;
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$post['uri-id'] = -1;
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$post['author-network'] = Protocol::DFRN;
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$post['author-updated'] = '';
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$post['author-gsid'] = 0;
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$post['author-uri-id'] = ItemURI::getIdByURI($post['author-link']);
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$post['owner-updated'] = '';
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$post['has-media'] = false;
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$post['quote-uri-id'] = Item::getQuoteUriId($post['body'], $post['uid']);
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$post['body'] = BBCode::removeSharedData(Item::setHashtags($post['body']));
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$post['writable'] = true;
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$o = DI::conversation()->create([$post], 'search', false, true);
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System::jsonExit(['preview' => $o]);
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}
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Hook::callAll('post_local',$post);
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unset($post['edit']);
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unset($post['self']);
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unset($post['api_source']);
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if (!empty($_REQUEST['scheduled_at'])) {
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$scheduled_at = DateTimeFormat::convert($_REQUEST['scheduled_at'], 'UTC', $a->getTimeZone());
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if ($scheduled_at > DateTimeFormat::utcNow()) {
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unset($post['created']);
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unset($post['edited']);
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unset($post['commented']);
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unset($post['received']);
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unset($post['changed']);
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Post\Delayed::add($post['uri'], $post, Worker::PRIORITY_HIGH, Post\Delayed::PREPARED_NO_HOOK, $scheduled_at);
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item_post_return(DI::baseUrl(), $return_path);
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}
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}
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if (!empty($post['cancel'])) {
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Logger::info('mod_item: post cancelled by addon.');
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if ($return_path) {
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DI::baseUrl()->redirect($return_path);
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}
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$json = ['cancel' => 1];
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if (!empty($_REQUEST['jsreload'])) {
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$json['reload'] = DI::baseUrl() . '/' . $_REQUEST['jsreload'];
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}
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System::jsonExit($json);
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}
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if ($orig_post) {
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$fields = [
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'title' => $post['title'],
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'body' => $post['body'],
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'attach' => $post['attach'],
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'file' => $post['file'],
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'edited' => DateTimeFormat::utcNow(),
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'changed' => DateTimeFormat::utcNow()
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];
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$fields['body'] = Item::setHashtags($fields['body']);
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$quote_uri_id = Item::getQuoteUriId($fields['body'], $post['uid']);
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if (!empty($quote_uri_id)) {
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$fields['quote-uri-id'] = $quote_uri_id;
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$fields['body'] = BBCode::removeSharedData($post['body']);
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}
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Item::update($fields, ['id' => $post_id]);
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Item::updateDisplayCache($orig_post['uri-id']);
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if ($return_path) {
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DI::baseUrl()->redirect($return_path);
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}
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throw new HTTPException\OKException(DI::l10n()->t('Post updated.'));
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}
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$post_id = Item::insert($post);
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if (!$post_id) {
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DI::sysmsg()->addNotice(DI::l10n()->t('Item wasn\'t stored.'));
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if ($return_path) {
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DI::baseUrl()->redirect($return_path);
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}
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throw new HTTPException\InternalServerErrorException(DI::l10n()->t('Item wasn\'t stored.'));
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}
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$post = Post::selectFirst(Item::ITEM_FIELDLIST, ['id' => $post_id]);
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if (!DBA::isResult($post)) {
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Logger::error('Item couldn\'t be fetched.', ['post_id' => $post_id]);
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if ($return_path) {
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DI::baseUrl()->redirect($return_path);
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}
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throw new HTTPException\InternalServerErrorException(DI::l10n()->t('Item couldn\'t be fetched.'));
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}
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$recipients = explode(',', $emailcc);
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DI::contentItem()->postProcessPost($post, $recipients);
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Logger::debug('post_complete');
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item_post_return(DI::baseUrl(), $return_path);
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// NOTREACHED
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}
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function item_post_return($baseurl, $return_path)
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{
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if ($return_path) {
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DI::baseUrl()->redirect($return_path);
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}
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$json = ['success' => 1];
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if (!empty($_REQUEST['jsreload'])) {
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$json['reload'] = $baseurl . '/' . $_REQUEST['jsreload'];
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}
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Logger::debug('post_json', ['json' => $json]);
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System::jsonExit($json);
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}
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function item_content(App $a)
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{
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if (!DI::userSession()->isAuthenticated()) {
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throw new HTTPException\UnauthorizedException();
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}
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$args = DI::args();
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if (!$args->has(3)) {
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throw new HTTPException\BadRequestException();
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}
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$o = '';
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switch ($args->get(1)) {
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case 'drop':
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if (DI::mode()->isAjax()) {
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Item::deleteForUser(['id' => $args->get(2)], DI::userSession()->getLocalUserId());
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// ajax return: [<item id>, 0 (no perm) | <owner id>]
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System::jsonExit([intval($args->get(2)), DI::userSession()->getLocalUserId()]);
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} else {
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if (!empty($args->get(3))) {
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$o = drop_item($args->get(2), $args->get(3));
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} else {
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$o = drop_item($args->get(2));
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}
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}
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break;
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case 'block':
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$item = Post::selectFirstForUser(DI::userSession()->getLocalUserId(), ['guid', 'author-id', 'parent', 'gravity'], ['id' => $args->get(2)]);
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if (empty($item['author-id'])) {
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throw new HTTPException\NotFoundException('Item not found');
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}
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Contact\User::setBlocked($item['author-id'], DI::userSession()->getLocalUserId(), true);
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if (DI::mode()->isAjax()) {
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// ajax return: [<item id>, 0 (no perm) | <owner id>]
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System::jsonExit([intval($args->get(2)), DI::userSession()->getLocalUserId()]);
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} else {
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item_redirect_after_action($item, $args->get(3));
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}
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break;
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}
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return $o;
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}
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/**
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* @param int $id
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* @param string $return
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* @return string
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* @throws HTTPException\InternalServerErrorException
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*/
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function drop_item(int $id, string $return = ''): string
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{
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// Locate item to be deleted
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$item = Post::selectFirstForUser(DI::userSession()->getLocalUserId(), ['id', 'uid', 'guid', 'contact-id', 'deleted', 'gravity', 'parent'], ['id' => $id]);
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if (!DBA::isResult($item)) {
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DI::sysmsg()->addNotice(DI::l10n()->t('Item not found.'));
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DI::baseUrl()->redirect('network');
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//NOTREACHED
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}
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if ($item['deleted']) {
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return '';
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}
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$contact_id = 0;
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// check if logged in user is either the author or owner of this item
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if (DI::userSession()->getRemoteContactID($item['uid']) == $item['contact-id']) {
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$contact_id = $item['contact-id'];
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}
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if ((DI::userSession()->getLocalUserId() == $item['uid']) || $contact_id) {
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// delete the item
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Item::deleteForUser(['id' => $item['id']], DI::userSession()->getLocalUserId());
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item_redirect_after_action($item, $return);
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//NOTREACHED
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} else {
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Logger::warning('Permission denied.', ['local' => DI::userSession()->getLocalUserId(), 'uid' => $item['uid'], 'cid' => $contact_id]);
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DI::sysmsg()->addNotice(DI::l10n()->t('Permission denied.'));
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DI::baseUrl()->redirect('display/' . $item['guid']);
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//NOTREACHED
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}
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return '';
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}
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function item_redirect_after_action(array $item, string $returnUrlHex)
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{
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$return_url = hex2bin($returnUrlHex);
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// removes update_* from return_url to ignore Ajax refresh
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$return_url = str_replace('update_', '', $return_url);
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// Check if delete a comment
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if ($item['gravity'] == Item::GRAVITY_COMMENT) {
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if (!empty($item['parent'])) {
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$parentitem = Post::selectFirstForUser(DI::userSession()->getLocalUserId(), ['guid'], ['id' => $item['parent']]);
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}
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// Return to parent guid
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if (!empty($parentitem)) {
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DI::baseUrl()->redirect('display/' . $parentitem['guid']);
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//NOTREACHED
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} // In case something goes wrong
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else {
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DI::baseUrl()->redirect('network');
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//NOTREACHED
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}
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} else {
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// if unknown location or deleting top level post called from display
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if (empty($return_url) || strpos($return_url, 'display') !== false) {
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DI::baseUrl()->redirect('network');
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//NOTREACHED
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} else {
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DI::baseUrl()->redirect($return_url);
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//NOTREACHED
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}
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}
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}
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