<?php class Af_Feedmod extends Plugin implements IHandler { private $link; private $host; function about() { return array( 0.9, // version 'Replace feed contents by contents from the linked page', // description 'mbirth', // author false, // is_system ); } function init($host) { $this->link = $host->get_link(); $this->host = $host; $host->add_hook($host::HOOK_PREFS_TABS, $this); # only allowed for system plugins: $host->add_handler('pref-feedmod', '*', $this); $host->add_hook($host::HOOK_ARTICLE_FILTER, $this); } function csrf_ignore($method) { $csrf_ignored = array("index", "edit"); return array_search($method, $csrf_ignored) !== false; } function before($method) { if ($_SESSION["uid"]) { return true; } return false; } function after() { return true; } function hook_article_filter($article) { global $fetch_last_content_type; $json_conf = $this->host->get($this, 'json_conf'); $owner_uid = $article['owner_uid']; $data = json_decode($json_conf, true); if (!is_array($data)) { // no valid JSON or no configuration at all return $article; } foreach ($data as $urlpart=>$config) { if (strpos($article['link'], $urlpart) === false) continue; // skip this config if URL not matching if (strpos($article['plugin_data'], "feedmod,$owner_uid:") !== false) { // do not process an article more than once if (isset($article['stored']['content'])) $article['content'] = $article['stored']['content']; break; } switch ($config['type']) { case 'xpath': $doc = new DOMDocument(); if (version_compare(VERSION, '1.7.9', '>=')) { $html = fetch_file_contents($article['link']); $content_type = $fetch_last_content_type; } else { // fallback to file_get_contents() $html = file_get_contents($article['link']); // try to fetch charset from HTTP headers $headers = $http_response_header; $content_type = false; foreach ($headers as $h) { if (substr(strtolower($h), 0, 13) == 'content-type:') { $content_type = substr($h, 14); // don't break here to find LATEST (if redirected) entry } } } if (!isset($config['force_charset'])) { $charset = false; if ($content_type) { preg_match('/charset=(\S+)/', $content_type, $matches); if (isset($matches[1]) && !empty($matches[1])) $charset = $matches[1]; } if ($charset) { $html = '<?xml encoding="' . $charset . '">' . $html; } } else { // use forced charset $html = '<?xml encoding="' . $config['force_charset'] . '">' . $html; } @$doc->loadHTML($html); if ($doc) { $basenode = false; $xpath = new DOMXPath($doc); $entries = $xpath->query('(//'.$config['xpath'].')'); // find main DIV according to config if ($entries->length > 0) $basenode = $entries->item(0); if ($basenode) { $article['content'] = $doc->saveXML($basenode); $article['plugin_data'] = "feedmod,$owner_uid:" . $article['plugin_data']; } } break; default: // unknown type or invalid config continue; } break; // if we got here, we found the correct entry in $data, do not process more } return $article; } function hook_prefs_tabs($args) { print '<div id="instanceConfigTab" dojoType="dijit.layout.ContentPane" href="backend.php?op=af_feedmod" title="' . __('FeedMod') . '"></div>'; } function index() { global $pluginhost; $json_conf = $pluginhost->get($this, 'json_conf'); print "<form dojoType=\"dijit.form.Form\">"; print "<script type=\"dojo/method\" event=\"onSubmit\" args=\"evt\"> evt.preventDefault(); if (this.validate()) { new Ajax.Request('backend.php', { parameters: dojo.objectToQuery(this.getValues()), onComplete: function(transport) { if (transport.responseText.indexOf('error')>=0) notify_error(transport.responseText); else notify_info(transport.responseText); } }); //this.reset(); } </script>"; print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"op\" value=\"pluginhandler\">"; print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"method\" value=\"save\">"; print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"plugin\" value=\"af_feedmod\">"; print "<table width='100%'><tr><td>"; print "<textarea dojoType=\"dijit.form.SimpleTextarea\" name=\"json_conf\" style=\"font-size: 12px; width: 99%; height: 500px;\">$json_conf</textarea>"; print "</td></tr></table>"; print "<p><button dojoType=\"dijit.form.Button\" type=\"submit\">".__("Save")."</button>"; print "</form>"; } function save() { $json_conf = $_POST['json_conf']; if (is_null(json_decode($json_conf))) { echo __("error: Invalid JSON!"); return false; } $this->host->set($this, 'json_conf', $json_conf); echo __("Configuration saved."); } }