71 lines
2 KiB
PHP
71 lines
2 KiB
PHP
<?php
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/**
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* Piwik plugin.
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* Adds tracking code on each page.
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*/
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/**
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* Initialization function.
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* It will be called when the plugin is loaded.
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* This function can be used to return a list of initialization errors.
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*
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* @param $conf ConfigManager instance.
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*
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* @return array List of errors (optional).
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*/
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function piwik_init($conf)
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{
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$piwikUrl = $conf->get('plugins.PIWIK_URL');
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$piwikSiteid = $conf->get('plugins.PIWIK_SITEID');
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if (empty($piwikUrl) || empty($piwikSiteid)) {
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$error = 'Piwik plugin error: ' .
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'Please define PIWIK_URL and PIWIK_SITEID in the plugin administration page.';
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return array($error);
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}
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}
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/**
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* Hook render_footer.
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* Executed on every page redering.
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*
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* Template placeholders:
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* - text
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* - endofpage
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* - js_files
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*
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* Data:
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* - _PAGE_: current page
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* - _LOGGEDIN_: true/false
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*
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* @param array $data data passed to plugin
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*
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* @return array altered $data.
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*/
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function hook_piwik_render_footer($data, $conf)
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{
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$piwikUrl = $conf->get('plugins.PIWIK_URL');
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$piwikSiteid = $conf->get('plugins.PIWIK_SITEID');
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if (empty($piwikUrl) || empty($piwikSiteid)) {
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return $data;
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}
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// Free elements at the end of the page.
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$data['endofpage'][] = '<!-- Piwik -->' .
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'<script type="text/javascript">' .
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' var _paq = _paq || [];' .
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' _paq.push([\'trackPageView\']);' .
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' _paq.push([\'enableLinkTracking\']);' .
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' (function() {' .
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' var u="//' . $piwikUrl . '/";' .
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' _paq.push([\'setTrackerUrl\', u+\'piwik.php\']);' .
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' _paq.push([\'setSiteId\', \'' . $piwikSiteid . '\']);' .
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' var d=document, g=d.createElement(\'script\'), s=d.getElementsByTagName(\'script\')[0];' .
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' g.type=\'text/javascript\'; g.async=true; g.defer=true; g.src=u+\'piwik.js\'; s.parentNode.insertBefore(g,s);' .
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' })();' .
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'</script>' .
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'<noscript><p><img src="//' . $piwikUrl . '/piwik.php?idsite=' . $piwikSiteid . '" style="border:0;" alt="" /></p></noscript>' .
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'<!-- End Piwik Code -->';
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return $data;
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}
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