65 lines
2.8 KiB
PHP
65 lines
2.8 KiB
PHP
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<?php
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/* Piwik Analytics Plugin for Friendika
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*
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* Author: Tobias Diekershoff
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* tobias.diekershoff@gmx.net
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*
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* License: 3-clause BSD license (same as Friendika)
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*
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* Configuration:
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* Add the following two lines to your .htconfig.php file:
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*
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* $a->config['piwik']['baseurl'] = 'www.example.com/piwik/';
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* $a->config['piwik']['sideid'] = '1';
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* $a->config['piwik']['optout'] = true; // set to false to disable
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*
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* Change the sideid to the ID that the Piwik tracker for your Friendika
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* installation has. Alter the baseurl to fit your needs, don't care
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* about http/https but beware to put the trailing / at the end of your
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* setting.
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*/
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function piwik_install() {
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register_hook('page_end', 'addon/piwik/piwik.php', 'piwik_analytics');
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logger("installed piwik plugin");
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}
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function piwik_uninstall() {
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unregister_hook('page_end', 'addon/piwik/piwik.php', 'piwik_analytics');
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logger("uninstalled piwik plugin");
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}
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function piwik_analytics($a,&$b) {
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/*
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* styling of every HTML block added by this plugin is done in the
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* associated CSS file. We just have to tell Friendika to get it
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* into the page header.
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*/
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$a->page['htmlhead'] .= '<link rel="stylesheet" type="text/css" href="' . $a->get_baseurl() . '/addon/piwik/piwik.css' . '" media="all" />' . "\r\n";
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/*
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* Get the configuration variables from the .htconfig file.
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*/
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$baseurl = get_config('piwik','baseurl');
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$sideod = get_config('piwik','sideid');
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$optout = get_config('piwik','optout');
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/*
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* Add the Piwik code for the side.
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*/
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$b .= "<div id='piwik-code-block'> <!-- Piwik -->\r\n <script type=\"text/javascript\">\r\n var pkBaseURL = ((\"https:\" == document.location.protocol) ? \"https://".$baseurl."\" : \"http://".$baseurl."\");\r\n document.write(unescape(\"%3Cscript src='\" + pkBaseURL + \"piwik.js' type='text/javascript'%3E%3C/script%3E\"));\r\n </script>\r\n<script type=\"text/javascript\">\r\n try {\r\n var piwikTracker = Piwik.getTracker(pkBaseURL + \"piwik.php\", 8);\r\n piwikTracker.trackPageView();\r\n piwikTracker.enableLinkTracking();\r\n }\r\n catch( err ) {}\r\n </script>\r\n<noscript><p><img src=\"http://".$baseurl."/piwik.php?idsite=8\" style=\"border:0\" alt=\"\" /></p></noscript>\r\n <!-- End Piwik Tracking Tag --> </div>";
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/*
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* If the optout variable is set to true then display the notice
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* otherwise just include the above code into the page.
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*/
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if ($optout) {
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$b .= "<div id='piwik-optout-link'>This website is tracked using the <a href='http://www.piwik.org'>Piwik</a> analytics tool. If you do not want that your visits are logged this way you <a href='http://". $baseurl ."index.php?module=CoreAdminHome&action=optOut'>can set a cookie to prevent Piwik from tracking further visits of the site</a> (opt-out).</div>";
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}
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}
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