--- /dev/null
+<?php
+/**
+ * Name: Pages
+ * Description: Shows lists of community pages
+ * Version: 1.0
+ * Author: Michael Vogel <ike@piratenpartei.de>
+ *
+ */
+
+function pages_install() {
+ register_hook('page_end', 'addon/pages/pages.php', 'pages_page_end');
+}
+
+function pages_uninstall() {
+ unregister_hook('page_end', 'addon/pages/pages.php', 'pages_page_end');
+}
+
+function pages_iscommunity($url, &$pagelist) {
+ // check every week for the status - should be enough
+ if ($pagelist[$url]["checked"]<time()-86400*7) {
+ // When too old or not found fetch the status from the profile
+ $ch = curl_init();
+
+ curl_setopt($ch, CURLOPT_URL, $url);
+ curl_setopt($ch, CURLOPT_HEADER, 0);
+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+ curl_setopt($ch, CURLOPT_TIMEOUT, 2);
+
+ $page = curl_exec($ch);
+
+ curl_close($ch);
+
+ $iscommunity = (strpos($page, '<meta name="friendika.community" content="true" />') != 0);
+
+ $pagelist[$url] = array("community" => $iscommunity, "checked" => time());
+ } else // Fetch from cache
+ $iscommunity = $pagelist[$url]["community"];
+ return($iscommunity);
+}
+
+function pages_getpages($uid) {
+
+ // Fetch cached pagelist from configuration
+ $pagelist = get_pconfig($uid,'pages','pagelist');
+
+ if (sizeof($pagelist) == 0)
+ $pagelist = array();
+
+ $contacts = q("SELECT `id`, `url`, `Name` FROM `contact`
+ WHERE `network`= 'dfrn' AND `uid` = %d",
+ intval($uid));
+
+ $pages = array();
+
+ // Look if the profile is a community page
+ foreach($contacts as $contact) {
+ if (pages_iscommunity($contact["url"], $pagelist))
+ $pages[] = array("url"=>$contact["url"], "Name"=>$contact["Name"], "id"=>$contact["id"]);
+ }
+
+ // Write back cached pagelist
+ set_pconfig($uid,'pages','pagelist', $pagelist);
+ return($pages);
+}
+
+function pages_page_end($a,&$b) {
+ // Only move on if if it's the "network" module and there is a logged on user
+ if (($a->module != "network") OR ($a->user['uid'] == 0))
+ return;
+
+ $pages = '<div id="pages-sidebar" class="widget">
+ <div class="title tool">
+ <h3>'.t("Community").'</h3></div>
+ <div id="sidebar-pages-list"><ul>';
+
+ $contacts = pages_getpages($a->user['uid']);
+
+ foreach($contacts as $contact) {
+ $pages .= '<li class="tool"><a href="'.$a->get_baseurl().'/redir/'.$contact["id"].'" class="label" target="external-link">'.
+ $contact["Name"]."</a></li>";
+ }
+ $pages .= "</ul></div></div>";
+ if (sizeof($contacts) > 0)
+ $a->page['aside'] = $pages.$a->page['aside'];
+}
+?>
--- /dev/null
+<?php
+
+$test[] = array("test"=>"Blubb");
+$test[] = array("test"=>"Blubb");
+
+print_r($test);
+$serial = serialize($test);
+
+print_r(unserialize($serial));
+die();
+
+$url = "https://pirati.ca/profile/test1";
+
+$ch = curl_init();
+
+curl_setopt($ch, CURLOPT_URL, $url);
+curl_setopt($ch, CURLOPT_HEADER, 0);
+curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+curl_setopt($ch, CURLOPT_TIMEOUT, 2);
+
+$page = curl_exec($ch);
+
+curl_close($ch);
+
+if (strpos($page, '<meta name="friendika.community" content="true" />'))
+ echo "Ping";
+
+?>