forked from GNUsocial/gnu-social
118 lines
4.2 KiB
PHP
118 lines
4.2 KiB
PHP
<?php
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/**
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* StatusNet, the distributed open-source microblogging tool
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*
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* Plugin to use Piwik Analytics
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*
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* PHP version 5
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*
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* LICENCE: 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 Evan Prodromou <evan@status.net>
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* @author Tobias Diekershoff <tobias.diekershoff@gmx.net>
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* @copyright 2008 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 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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exit(1);
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}
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/**
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* Plugin to use Piwik Analytics (based on the Google Analytics plugin by Evan)
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*
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* This plugin will spoot out the correct JavaScript spell to invoke
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* Piwik Analytics on a page.
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*
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* To use this plugin add the following to your config.php
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*
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* addPlugin('PiwikAnalytics', array('piwikroot' => 'example.com/piwik/',
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* 'piwikId' => 'id'));
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*
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* Replace 'example.com/piwik/' with the URL to your Piwik installation and
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* make sure you don't forget the final /.
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* Replace 'id' with the ID your statusnet installation has in your Piwik
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* analytics setup - for example '8'.
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*
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*/
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class PiwikAnalyticsPlugin extends Plugin
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{
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/** the base of your Piwik installation */
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public $piwikroot = null;
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/** the Piwik Id of your statusnet installation */
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public $piwikId = null;
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/**
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* constructor
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*
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* @param string $root Piwik root URL
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* @param string $id Piwik ID of this app
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*/
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function __construct($root=null, $id=null)
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{
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$this->piwikroot = $root;
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$this->piwikId = $id;
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parent::__construct();
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}
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/**
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* Called when all scripts have been shown
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*
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* @param Action $action Current action
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*
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* @return boolean ignored
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*/
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function onEndShowScripts($action)
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{
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// Slight modification to the default code.
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// Loading the piwik.js file from a <script> created in a document.write
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// meant that the browser had no way to preload it, ensuring that its
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// loading will be synchronous, blocking further page rendering.
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//
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// User-agents understand protocol-relative links, so instead of the
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// URL produced in JS we can just give a universal one. Since it's
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// sitting there in the DOM ready to go, the browser can preload the
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// file for us and we're less likely to have to wait for it.
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$piwikUrl = '//' . $this->piwikroot . 'piwik.js';
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$piwikCode = <<<ENDOFPIWIK
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try {
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var pkBaseURL = (("https:" == document.location.protocol) ? "https://{$this->piwikroot}" : "http://{$this->piwikroot}");
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var piwikTracker = Piwik.getTracker(pkBaseURL + "piwik.php", {$this->piwikId});
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piwikTracker.trackPageView();
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piwikTracker.enableLinkTracking();
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} catch( err ) {}
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ENDOFPIWIK;
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// Don't use $action->script() here; it'll try to preface the URL.
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$action->element('script', array('type' => 'text/javascript', 'src' => $piwikUrl), ' ');
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$action->inlineScript($piwikCode);
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return true;
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}
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function onPluginVersion(&$versions)
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{
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$versions[] = array('name' => 'PiwikAnalytics',
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'version' => STATUSNET_VERSION,
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'author' => 'Tobias Diekershoff, Evan Prodromou',
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'homepage' => 'http://status.net/wiki/Plugin:Piwik',
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'rawdescription' =>
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// TRANS: Plugin description.
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_m('Use <a href="http://piwik.org/">Piwik</a> Open Source web analytics software.'));
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return true;
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}
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}
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