mirror of https://github.com/friendica/friendica
365 lines
13 KiB
PHP
365 lines
13 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2010-2024, 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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*/
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namespace Friendica\Module\Item;
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use Friendica\App;
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use Friendica\BaseModule;
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use Friendica\Content\Conversation;
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use Friendica\Content\Item as ContentItem;
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use Friendica\Content\Text\BBCode;
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use Friendica\Core\Config\Capability\IManageConfigValues;
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use Friendica\Core\L10n;
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use Friendica\Core\PConfig\Capability\IManagePersonalConfigValues;
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use Friendica\Core\Renderer;
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use Friendica\Core\Session\Capability\IHandleUserSessions;
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use Friendica\Model\Contact;
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use Friendica\Model\Item;
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use Friendica\Model\Post;
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use Friendica\Model\Profile;
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use Friendica\Model\User;
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use Friendica\Module\Response;
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use Friendica\Module\Special\DisplayNotFound;
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use Friendica\Navigation\Notifications\Repository\Notification;
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use Friendica\Navigation\Notifications\Repository\Notify;
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use Friendica\Protocol\ActivityPub;
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use Friendica\Util\Network;
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use Friendica\Util\Profiler;
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use Friendica\Network\HTTPException;
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use Friendica\Content\Widget;
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use Psr\Log\LoggerInterface;
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/**
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* Controller to display one item and its conversation
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*/
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class Display extends BaseModule
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{
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/** @var App\Page */
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protected $page;
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/** @var IManageConfigValues */
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protected $config;
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/** @var IManagePersonalConfigValues */
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protected $pConfig;
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/** @var IHandleUserSessions */
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protected $session;
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/** @var App */
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protected $app;
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/** @var ContentItem */
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protected $contentItem;
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/** @var Conversation */
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protected $conversation;
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/** @var Notification */
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protected $notification;
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/** @var Notify */
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protected $notify;
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public function __construct(L10n $l10n, App\BaseURL $baseUrl, App\Arguments $args, LoggerInterface $logger, Profiler $profiler, Response $response, IManageConfigValues $config, IManagePersonalConfigValues $pConfig, IHandleUserSessions $session, App $app, App\Page $page, ContentItem $contentItem, Conversation $conversation, Notification $notification, Notify $notify, array $server, array $parameters = [])
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{
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parent::__construct($l10n, $baseUrl, $args, $logger, $profiler, $response, $server, $parameters);
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$this->page = $page;
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$this->config = $config;
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$this->pConfig = $pConfig;
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$this->session = $session;
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$this->app = $app;
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$this->contentItem = $contentItem;
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$this->conversation = $conversation;
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$this->notification = $notification;
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$this->notify = $notify;
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}
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protected function content(array $request = []): string
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{
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if (ActivityPub::isRequest()) {
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$this->baseUrl->redirect(str_replace('display/', 'objects/', $this->args->getQueryString()));
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}
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if ($this->config->get('system', 'block_public') && !$this->session->isAuthenticated()) {
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throw new HTTPException\UnauthorizedException($this->t('Access denied.'));
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}
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$guid = $this->parameters['guid'] ?? 0;
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$item = null;
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$itemUid = $this->session->getLocalUserId();
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$fields = ['uri-id', 'parent-uri-id', 'author-id', 'author-link', 'body', 'uid', 'guid', 'gravity'];
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// Does the local user have this item?
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if ($this->session->getLocalUserId()) {
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$item = Post::selectFirstForUser($this->session->getLocalUserId(), $fields, [
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'guid' => $guid,
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'uid' => $this->session->getLocalUserId()
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]);
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}
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// Is this item private but could be visible to the remove visitor?
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if (empty($item) && $this->session->getRemoteUserId()) {
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$item = Post::selectFirst($fields, ['guid' => $guid, 'private' => Item::PRIVATE, 'origin' => true]);
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if (!empty($item)) {
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if (!Contact::isFollower($this->session->getRemoteUserId(), $item['uid'])) {
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$item = null;
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} else {
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$itemUid = $item['uid'];
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}
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}
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}
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// Is it an item with uid = 0?
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if (empty($item)) {
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$item = Post::selectFirstForUser($this->session->getLocalUserId(), $fields, [
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'guid' => $guid,
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'private' => [Item::PUBLIC, Item::UNLISTED],
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'uid' => 0
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]);
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}
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if (empty($item)) {
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$this->page['aside'] = '';
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$displayNotFound = new DisplayNotFound($this->l10n, $this->baseUrl, $this->args, $this->logger, $this->profiler, $this->response, $this->server, $this->parameters);
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return $displayNotFound->content();
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}
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if ($item['gravity'] != Item::GRAVITY_PARENT) {
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$parent = Post::selectFirst($fields, [
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'uid' => [0, $itemUid],
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'uri-id' => $item['parent-uri-id']
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], ['order' => ['uid' => true]]);
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$item = $parent ?: $item;
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}
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if (!$this->pConfig->get($this->session->getLocalUserId(), 'system', 'detailed_notif')) {
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$this->notification->setAllSeenForUser($this->session->getLocalUserId(), ['parent-uri-id' => $item['parent-uri-id']]);
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$this->notify->setAllSeenForUser($this->session->getLocalUserId(), ['parent-uri-id' => $item['parent-uri-id']]);
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}
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$this->displaySidebar($item);
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$this->displayHead($item['uri-id'], $item['parent-uri-id']);
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$output = '';
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// add the uri-id to the update_display parameter
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if ($this->session->getLocalUserId()) {
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$output .= "<script> var netargs = '?uri_id=" . $item['uri-id'] . "'; </script>";
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}
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$output .= $this->getDisplayData($item);
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return $output;
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}
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/**
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* Loads the content for the sidebar of the display page
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*
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* @param array $item The current item
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*
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* @return void
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* @throws HTTPException\InternalServerErrorException
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* @throws HTTPException\NotFoundException
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* @throws \ImagickException
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*/
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protected function displaySidebar(array $item)
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{
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$shared = $this->contentItem->getSharedPost($item, ['author-link']);
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if (!empty($shared) && empty($shared['comment'])) {
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$author = Contact::getByURLForUser($shared['post']['author-link'], $this->session->getLocalUserId());
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}
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if (empty($contact)) {
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$author = Contact::getById($item['author-id']);
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}
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if (Network::isLocalLink($author['url'])) {
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Profile::load($this->app, $author['nick'], false);
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} else {
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$this->page['aside'] = Widget\VCard::getHTML($author);
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}
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$this->app->setProfileOwner($item['uid']);
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}
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protected function getDisplayData(array $item, bool $update = false, int $updateUid = 0, bool $force = false): string
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{
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$itemUid = $this->session->getLocalUserId();
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$parent = null;
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if (!$this->session->getLocalUserId() && !empty($item['parent-uri-id'])) {
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$parent = Post::selectFirst(['uid'], ['uri-id' => $item['parent-uri-id'], 'wall' => true]);
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}
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if (!empty($parent)) {
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$pageUid = $parent['uid'];
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if ($this->session->getRemoteContactID($pageUid)) {
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$itemUid = $parent['uid'];
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}
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} else {
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$pageUid = $item['uid'];
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}
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if (!empty($pageUid) && ($pageUid != $this->session->getLocalUserId())) {
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$page_user = User::getById($pageUid, ['nickname', 'hidewall']);
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}
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if (!empty($page_user['hidewall']) && !$this->session->isAuthenticated()) {
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$this->baseUrl->redirect('profile/' . $page_user['nickname'] . '/restricted');
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}
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$sql_extra = Item::getPermissionsSQLByUserId($pageUid);
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if ($this->session->getLocalUserId() && ($this->session->getLocalUserId() == $pageUid)) {
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$unseen = Post::exists([
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'parent-uri-id' => $item['parent-uri-id'],
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'uid' => $this->session->getLocalUserId(),
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'unseen' => true
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]);
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} else {
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$unseen = false;
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}
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if ($update && !$unseen && !$force) {
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return '';
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}
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$condition = ["`uri-id` = ? AND `uid` IN (0, ?) " . $sql_extra, $item['uri-id'], $itemUid];
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$fields = [
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'parent-uri-id', 'body', 'title', 'author-name', 'author-avatar', 'plink', 'author-id',
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'owner-id', 'contact-id'
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];
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$item = Post::selectFirstForUser($pageUid, $fields, $condition);
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if (empty($item)) {
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$this->page['aside'] = '';
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$displayNotFound = new DisplayNotFound($this->l10n, $this->baseUrl, $this->args, $this->logger, $this->profiler, $this->response, $this->server, $this->parameters);
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return $displayNotFound->content();
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}
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$item['uri-id'] = $item['parent-uri-id'];
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if ($unseen) {
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$condition = [
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'parent-uri-id' => $item['parent-uri-id'],
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'uid' => $this->session->getLocalUserId(),
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'unseen' => true
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];
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Item::update(['unseen' => false], $condition);
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}
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$this->addMetaTags($item);
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$output = '';
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$is_owner = $this->session->getLocalUserId() && (in_array($pageUid, [$this->session->getLocalUserId(), 0]));
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// We need the editor here to be able to reshare an item.
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if ($is_owner && !$update) {
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$output .= $this->conversation->statusEditor([], 0, true);
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}
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$output .= $this->conversation->render([$item], Conversation::MODE_DISPLAY, $updateUid, false, 'commented', $itemUid);
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return $output;
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}
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// We are displaying an "alternate" link if that post was public. See issue 2864
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protected function displayHead(string $uriId, string $parentUriId)
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{
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if (Post::exists(['uri-id' => $uriId, 'private' => [Item::PUBLIC, Item::UNLISTED]])) {
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// For the atom feed the nickname doesn't matter at all, we only need the item id.
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$this->page['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('display-head.tpl'), [
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'$alternate' => sprintf('display/feed-item/%s.atom', $uriId),
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'$conversation' => sprintf('display/feed-item/%s/conversation.atom', $parentUriId)
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]);
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}
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}
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/**
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* Adds <meta> tags to the HTML output based on an item
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*
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* @param array $item The item with the information for the <meta> tags
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*
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* @return void
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* @throws \Exception
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*/
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protected function addMetaTags(array $item)
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{
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// Preparing the meta header
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$description = trim(BBCode::toPlaintext($item['body']));
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$title = trim(BBCode::toPlaintext($item['title'] ?? ''));
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$author_name = $item['author-name'];
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$image = $this->baseUrl->remove($item['author-avatar']);
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if ($title === '') {
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$title = $author_name;
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}
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// Limit the description to 160 characters
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if (strlen($description) > 160) {
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$description = substr($description, 0, 157) . '...';
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}
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$description = htmlspecialchars($description, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
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$title = htmlspecialchars($title, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
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$author_name = htmlspecialchars($author_name, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
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$page = $this->page;
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if (Contact::exists([
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'unsearchable' => true, 'id' => [$item['contact-id'], $item['author-id'], $item['owner-id']]
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])) {
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$page['htmlhead'] .= "<meta content=\"noindex, noarchive\" name=\"robots\" />\n";
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}
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$page['htmlhead'] .= sprintf("<meta name=\"author\" content=\"%s\" />\n", $author_name);
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$page['htmlhead'] .= sprintf("<meta name=\"title\" content=\"%s\" />\n", $title);
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$page['htmlhead'] .= sprintf("<meta name=\"fulltitle\" content=\"%s\" />\n", $title);
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$page['htmlhead'] .= sprintf("<meta name=\"description\" content=\"%s\" />\n", $description);
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// Schema.org microdata
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$page['htmlhead'] .= sprintf("<meta itemprop=\"name\" content=\"%s\" />\n", $title);
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$page['htmlhead'] .= sprintf("<meta itemprop=\"description\" content=\"%s\" />\n", $description);
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$page['htmlhead'] .= sprintf("<meta itemprop=\"image\" content=\"%s\" />\n", $image);
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$page['htmlhead'] .= sprintf("<meta itemprop=\"author\" content=\"%s\" />\n", $author_name);
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// Twitter cards
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$page['htmlhead'] .= "<meta name=\"twitter:card\" content=\"summary\" />\n";
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$page['htmlhead'] .= sprintf("<meta name=\"twitter:title\" content=\"%s\" />\n", $title);
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$page['htmlhead'] .= sprintf("<meta name=\"twitter:description\" content=\"%s\" />\n", $description);
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$page['htmlhead'] .= sprintf("<meta name=\"twitter:image\" content=\"%s/%s\" />\n", $this->baseUrl, $image);
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$page['htmlhead'] .= sprintf("<meta name=\"twitter:url\" content=\"%s\" />\n", $item["plink"]);
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// Dublin Core
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$page['htmlhead'] .= sprintf("<meta name=\"DC.title\" content=\"%s\" />\n", $title);
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$page['htmlhead'] .= sprintf("<meta name=\"DC.description\" content=\"%s\" />\n", $description);
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// Open Graph
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$page['htmlhead'] .= "<meta property=\"og:type\" content=\"website\" />\n";
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$page['htmlhead'] .= sprintf("<meta property=\"og:title\" content=\"%s\" />\n", $title);
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$page['htmlhead'] .= sprintf("<meta property=\"og:image\" content=\"%s/%s\" />\n", $this->baseUrl, $image);
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$page['htmlhead'] .= sprintf("<meta property=\"og:url\" content=\"%s\" />\n", $item["plink"]);
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$page['htmlhead'] .= sprintf("<meta property=\"og:description\" content=\"%s\" />\n", $description);
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$page['htmlhead'] .= sprintf("<meta name=\"og:article:author\" content=\"%s\" />\n", $author_name);
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// article:tag
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}
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}
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