Pages: New plugin that displays a list of community pages on the sidebar.

pages/README

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+Pages
+
+Shows lists of community pages

pages/pages.php

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+<?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'];
+}
+?>

pages/test.php

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+<?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";
+
+?>