2010-09-29 01:17:09 +01:00
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<?php
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/**
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2010, StatusNet, Inc.
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*
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* A plugin to allow anonymous users to favorite notices
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*
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2010-10-01 19:12:53 +01:00
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* If you want to keep certain users from having anonymous faving for their
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* notices initialize the plugin with the restricted array, e.g.:
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*
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* addPlugin(
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* 'AnonymousFave',
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* array('restricted' => array('spock', 'kirk', 'bones'))
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* );
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*
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*
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2010-09-29 01:17:09 +01:00
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* PHP version 5
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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 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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* 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 <http://www.gnu.org/licenses/>.
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*
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* @category Plugin
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* @package StatusNet
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* @author Zach Copley <zach@status.net>
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* @copyright 2010 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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if (!defined('STATUSNET')) {
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// This check helps protect against security problems;
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// your code file can't be executed directly from the web.
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exit(1);
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}
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2019-06-03 01:56:52 +01:00
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define('ANONYMOUS_FAVE_PLUGIN_VERSION', '0.1.0');
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2010-09-29 01:17:09 +01:00
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/**
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* Anonymous Fave plugin to allow anonymous (not logged in) users
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* to favorite notices
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*
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* @category Plugin
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* @package StatusNet
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* @author Zach Copley <zach@status.net>
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* @copyright 2010 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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2010-10-01 19:12:53 +01:00
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class AnonymousFavePlugin extends Plugin
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{
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// Array of users who should not have anon faving. The default is
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// that anonymous faving is allowed for all users.
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public $restricted = array();
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2010-09-29 01:17:09 +01:00
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function onArgsInitialize() {
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// We always want a session because we're tracking anon users
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common_ensure_session();
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}
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2010-09-29 03:07:45 +01:00
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/**
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* Hook for ensuring our tables are created
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*
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* Ensures the fave_tally table is there and has the right columns
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*
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* @return boolean hook return
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*/
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function onCheckSchema()
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{
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$schema = Schema::get();
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// For storing total number of times a notice has been faved
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2013-08-19 16:08:18 +01:00
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$schema->ensureTable('fave_tally', Fave_tally::schemaDef());
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2010-09-29 03:07:45 +01:00
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return true;
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}
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2010-09-29 01:17:09 +01:00
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function onEndShowHTML($action)
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{
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if (!common_logged_in()) {
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// Set a place to return to when submitting forms
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common_set_returnto($action->selfUrl());
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}
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}
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function onEndShowScripts($action)
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{
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// Setup ajax calls for favoriting. Usually this is only done when
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// a user is logged in.
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$action->inlineScript('SN.U.NoticeFavor();');
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}
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2010-10-01 19:12:53 +01:00
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function onStartInitializeRouter($m)
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{
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2010-09-29 01:17:09 +01:00
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$m->connect('main/anonfavor', array('action' => 'AnonFavor'));
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$m->connect('main/anondisfavor', array('action' => 'AnonDisFavor'));
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return true;
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}
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2010-10-01 19:12:53 +01:00
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function onStartShowNoticeOptions($item)
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{
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2010-09-29 01:17:09 +01:00
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if (!common_logged_in()) {
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$item->out->elementStart('div', 'notice-options');
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$item->showFaveForm();
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$item->out->elementEnd('div');
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}
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return true;
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}
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2010-10-01 19:12:53 +01:00
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function onStartShowFaveForm($item)
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{
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if (!common_logged_in() && $this->hasAnonFaving($item)) {
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2010-09-29 01:17:09 +01:00
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2010-09-29 23:52:18 +01:00
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$profile = AnonymousFavePlugin::getAnonProfile();
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2014-06-27 12:58:35 +01:00
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if ($profile instanceof Profile) {
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if (Fave::existsForProfile($item->notice, $profile)) {
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2010-09-29 01:17:09 +01:00
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$disfavor = new AnonDisFavorForm($item->out, $item->notice);
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$disfavor->show();
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} else {
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$favor = new AnonFavorForm($item->out, $item->notice);
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$favor->show();
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}
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}
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}
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return true;
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}
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2010-09-29 22:08:31 +01:00
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function onEndFavorNoticeForm($form, $notice)
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{
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$this->showTally($form->out, $notice);
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}
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function onEndDisFavorNoticeForm($form, $notice)
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{
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$this->showTally($form->out, $notice);
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}
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function showTally($out, $notice)
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{
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$tally = Fave_tally::ensureTally($notice->id);
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if (!empty($tally)) {
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$out->elementStart(
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'div',
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array(
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'id' => 'notice-' . $notice->id . '-tally',
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'class' => 'notice-tally'
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)
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);
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2010-10-01 19:31:44 +01:00
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$out->elementStart('span', array('class' => 'fave-tally-title'));
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2010-10-04 19:42:16 +01:00
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// TRANS: Label for tally for number of times a notice was favored.
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2010-10-01 19:31:44 +01:00
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$out->raw(sprintf(_m("Favored")));
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$out->elementEnd('span');
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$out->elementStart('span', array('class' => 'fave-tally'));
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$out->raw($tally->count);
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$out->elementEnd('span');
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2010-09-29 22:08:31 +01:00
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$out->elementEnd('div');
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}
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}
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2010-09-29 20:49:53 +01:00
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function onEndFavorNotice($profile, $notice)
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{
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$tally = Fave_tally::increment($notice->id);
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}
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function onEndDisfavorNotice($profile, $notice)
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{
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$tally = Fave_tally::decrement($notice->id);
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}
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2010-10-01 19:12:53 +01:00
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static function createAnonProfile()
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{
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2010-09-29 01:17:09 +01:00
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// Get the anon user's IP, and turn it into a nickname
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list($proxy, $ip) = common_client_ip();
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2010-09-29 23:52:18 +01:00
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// IP + time + random number should help to avoid collisions
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2013-10-21 12:20:30 +01:00
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$baseNickname = $ip . '-' . time() . '-' . common_random_hexstr(5);
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2010-09-29 01:17:09 +01:00
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$profile = new Profile();
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2010-09-29 23:52:18 +01:00
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$profile->nickname = $baseNickname;
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2010-09-29 01:17:09 +01:00
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$id = $profile->insert();
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2010-09-29 23:52:18 +01:00
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if (!$id) {
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2010-10-01 20:45:19 +01:00
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// TRANS: Server exception.
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2011-04-06 14:08:39 +01:00
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throw new ServerException(_m("Could not create anonymous user session."));
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2010-09-29 23:52:18 +01:00
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}
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// Stick the Profile ID into the nickname
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$orig = clone($profile);
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$profile->nickname = 'anon-' . $id . '-' . $baseNickname;
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$result = $profile->update($orig);
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if (!$result) {
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2010-10-01 20:45:19 +01:00
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// TRANS: Server exception.
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2011-04-06 14:08:39 +01:00
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throw new ServerException(_m("Could not create anonymous user session."));
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2010-09-29 01:17:09 +01:00
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}
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2010-09-29 23:52:18 +01:00
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common_log(
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LOG_INFO,
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"AnonymousFavePlugin - created profile for anonymous user from IP: "
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. $ip
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. ', nickname = '
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. $profile->nickname
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);
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2010-09-29 01:17:09 +01:00
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return $profile;
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}
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2010-10-01 19:12:53 +01:00
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static function getAnonProfile()
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{
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2010-09-29 01:17:09 +01:00
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2010-09-29 23:52:18 +01:00
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$token = $_SESSION['anon_token'];
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$anon = base64_decode($token);
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2010-09-29 01:17:09 +01:00
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$profile = null;
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2010-09-29 23:52:18 +01:00
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if (!empty($anon) && substr($anon, 0, 5) == 'anon-') {
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$parts = explode('-', $anon);
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$id = $parts[1];
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// Do Profile lookup by ID instead of nickname for safety/performance
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2013-08-18 12:04:58 +01:00
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$profile = Profile::getKV('id', $id);
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2010-09-29 01:17:09 +01:00
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} else {
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2010-09-30 00:11:32 +01:00
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$profile = AnonymousFavePlugin::createAnonProfile();
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2010-09-29 23:52:18 +01:00
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// Obfuscate so it's hard to figure out the Profile ID
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$_SESSION['anon_token'] = base64_encode($profile->nickname);
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2010-09-29 01:17:09 +01:00
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}
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2010-09-29 23:52:18 +01:00
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return $profile;
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2010-09-29 01:17:09 +01:00
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}
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2010-10-01 19:12:53 +01:00
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/**
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* Determine whether a given NoticeListItem should have the
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* anonymous fave/disfave form
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*
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* @param NoticeListItem $item
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*
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* @return boolean false if the profile associated with the notice is
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* in the list of restricted profiles, otherwise
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* return true
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*/
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function hasAnonFaving($item)
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{
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2013-08-18 12:04:58 +01:00
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$profile = Profile::getKV('id', $item->notice->profile_id);
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2010-10-01 19:12:53 +01:00
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if (in_array($profile->nickname, $this->restricted)) {
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return false;
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}
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return true;
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}
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2010-09-29 01:17:09 +01:00
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/**
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* Provide plugin version information.
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*
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* This data is used when showing the version page.
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*
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* @param array &$versions array of version data arrays; see EVENTS.txt
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*
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* @return boolean hook value
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*/
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2015-06-06 21:04:01 +01:00
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function onPluginVersion(array &$versions)
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2010-09-29 01:17:09 +01:00
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{
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2016-01-22 16:38:42 +00:00
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$url = 'https://git.gnu.io/gnu/gnu-social/tree/master/plugins/AnonymousFave';
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2010-09-29 01:17:09 +01:00
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$versions[] = array('name' => 'AnonymousFave',
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'version' => ANONYMOUS_FAVE_PLUGIN_VERSION,
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'author' => 'Zach Copley',
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'homepage' => $url,
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'rawdescription' =>
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2010-10-01 20:45:19 +01:00
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// TRANS: Plugin description.
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2010-09-29 01:17:09 +01:00
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_m('Allow anonymous users to favorite notices.'));
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return true;
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}
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}
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