132 lines
4.0 KiB
PHP
132 lines
4.0 KiB
PHP
<?php
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// This file is part of GNU social - https://www.gnu.org/software/social
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//
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// GNU social 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 published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// GNU social 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 GNU social. If not, see <http://www.gnu.org/licenses/>.
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defined('GNUSOCIAL') || die();
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/**
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* Search subscription action
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*
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* Takes parameters:
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*
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* - token: session token to prevent CSRF attacks
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* - ajax: boolean; whether to return Ajax or full-browser results
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*
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* Only works if the current user is logged in.
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*
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* @category Plugin
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* @package SearchSubPlugin
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* @author Evan Prodromou <evan@status.net>
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* @author Brion Vibber <brion@status.net>
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* @copyright 2011-2019 Free Software Foundation, Inc http://www.fsf.org
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* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
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*/
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class SearchsubAction extends Action
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{
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public $user;
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public $search;
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/**
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* Check pre-requisites and instantiate attributes
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*
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* @param array $args array of arguments (URL, GET, POST)
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*
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* @return bool success flag
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* @throws ClientException
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*/
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public function prepare(array $args = [])
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{
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parent::prepare($args);
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if ($this->boolean('ajax')) {
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GNUsocial::setApi(true);
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}
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// Only allow POST requests
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if ($_SERVER['REQUEST_METHOD'] != 'POST') {
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// TRANS: Client error displayed trying to perform any request method other than POST.
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// TRANS: Do not translate POST.
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$this->clientError(_m('This action only accepts POST requests.'));
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}
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// CSRF protection
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$token = $this->trimmed('token');
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if (!$token || $token != common_session_token()) {
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// TRANS: Client error displayed when the session token is not okay.
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$this->clientError(_m('There was a problem with your session token.' .
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' Try again, please.'));
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}
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// Only for logged-in users
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$this->user = common_current_user();
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if (empty($this->user)) {
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// TRANS: Error message displayed when trying to perform an action that requires a logged in user.
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$this->clientError(_m('Not logged in.'));
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}
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// Profile to subscribe to
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$this->search = $this->arg('search');
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if (empty($this->search)) {
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// TRANS: Client error displayed trying to subscribe to a non-existing profile.
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$this->clientError(_m('No such profile.'));
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}
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return true;
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}
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/**
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* Handle request
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*
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* Does the subscription and returns results.
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*
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* @return void
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* @throws ClientException
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*/
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public function handle()
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{
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// Throws exception on error
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SearchSub::start(
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$this->user->getProfile(),
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$this->search
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);
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if ($this->boolean('ajax')) {
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$this->startHTML('text/xml;charset=utf-8');
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$this->elementStart('head');
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// TRANS: Page title when search subscription succeeded.
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$this->element('title', null, _m('Subscribed'));
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$this->elementEnd('head');
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$this->elementStart('body');
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$unsubscribe = new SearchUnsubForm($this, $this->search);
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$unsubscribe->show();
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$this->elementEnd('body');
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$this->endHTML();
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} else {
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$url = common_local_url(
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'search',
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array('search' => $this->search)
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);
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common_redirect($url, 303);
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}
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}
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}
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