X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=boot.php;h=4c3a923dcea2e52644dea55e826aface43047192;hb=a5bca7ea4ec0e95e219c73bb7f6fa25a253bacb1;hp=b55c3198bcc492012a7a6e2e65991bcb877b47aa;hpb=de6c777d3f6753b8fb5f33bc0ee8acafc6772551;p=friendica.git

diff --git a/boot.php b/boot.php
index b55c3198bc..4c3a923dce 100644
--- a/boot.php
+++ b/boot.php
@@ -2,13 +2,27 @@
 
 set_time_limit(0);
 
-define ( 'BUILD_ID',               1019   );
-define ( 'DFRN_PROTOCOL_VERSION',  '2.0'  );
+define ( 'FRIENDIKA_VERSION',      '2.1.913' );
+define ( 'DFRN_PROTOCOL_VERSION',  '2.1'  );
+define ( 'DB_UPDATE_VERSION',      1040   );
 
 define ( 'EOL',                    "<br />\r\n"     );
 define ( 'ATOM_TIME',              'Y-m-d\TH:i:s\Z' );
+define ( 'DOWN_ARROW',             '&#x21e9;'       );
+         
 
-// log levels
+/**
+ * SSL redirection policies
+ */
+
+define ( 'SSL_POLICY_NONE',         0 );
+define ( 'SSL_POLICY_FULL',         1 );
+define ( 'SSL_POLICY_SELFSIGN',     2 );
+
+
+/**
+ * log levels
+ */
 
 define ( 'LOGGER_NORMAL',          0 );
 define ( 'LOGGER_TRACE',           1 );
@@ -16,37 +30,58 @@ define ( 'LOGGER_DEBUG',           2 );
 define ( 'LOGGER_DATA',            3 );
 define ( 'LOGGER_ALL',             4 );
 
-// registration policy
+/**
+ * registration policies
+ */
 
 define ( 'REGISTER_CLOSED',        0 );
 define ( 'REGISTER_APPROVE',       1 );
 define ( 'REGISTER_OPEN',          2 );
 
-// relationship types
+/**
+ * relationship types
+ * When used in contact records, this indicates that 'uid' has 
+ * this relationship with contact['name']
+ */
 
 define ( 'REL_VIP',        1);
 define ( 'REL_FAN',        2);
 define ( 'REL_BUD',        3);
 
-
-// page/profile types
-// PAGE_NORMAL is a typical personal profile account
-// PAGE_SOAPBOX automatically approves all friend requests as REL_FAN, (readonly)
-// PAGE_COMMUNITY automatically approves all friend requests as REL_FAN, but with 
-// write access to wall and comments (no email and not included in page owner's ACL lists)
-// PAGE_FREELOVE automatically approves all friend requests as full friends (REL_BUD). 
+/**
+ * Hook array order
+ */
+ 
+define ( 'HOOK_HOOK',      0);
+define ( 'HOOK_FILE',      1);
+define ( 'HOOK_FUNCTION',  2);
+
+/**
+ *
+ * page/profile types
+ *
+ * PAGE_NORMAL is a typical personal profile account
+ * PAGE_SOAPBOX automatically approves all friend requests as REL_FAN, (readonly)
+ * PAGE_COMMUNITY automatically approves all friend requests as REL_FAN, but with 
+ *      write access to wall and comments (no email and not included in page owner's ACL lists)
+ * PAGE_FREELOVE automatically approves all friend requests as full friends (REL_BUD). 
+ *
+ */
 
 define ( 'PAGE_NORMAL',            0 );
 define ( 'PAGE_SOAPBOX',           1 );
 define ( 'PAGE_COMMUNITY',         2 );
 define ( 'PAGE_FREELOVE',          3 );
 
-// Maximum number of "people who like (or don't like) this" 
-// that we will list by name
+/**
+ * Maximum number of "people who like (or don't like) this"  that we will list by name
+ */
 
 define ( 'MAX_LIKERS',    75);
 
-// email notification options
+/**
+ * email notification options
+ */
 
 define ( 'NOTIFY_INTRO',   0x0001 );
 define ( 'NOTIFY_CONFIRM', 0x0002 );
@@ -54,7 +89,9 @@ define ( 'NOTIFY_WALL',    0x0004 );
 define ( 'NOTIFY_COMMENT', 0x0008 );
 define ( 'NOTIFY_MAIL',    0x0010 );
 
-// various namespaces we may need to parse
+/**
+ * various namespaces we may need to parse
+ */
 
 define ( 'NAMESPACE_DFRN' ,           'http://purl.org/macgirvin/dfrn/1.0' ); 
 define ( 'NAMESPACE_THREAD' ,         'http://purl.org/syndication/thread/1.0' );
@@ -68,7 +105,9 @@ define ( 'NAMESPACE_GEORSS',          'http://www.georss.org/georss' );
 define ( 'NAMESPACE_POCO',            'http://portablecontacts.net/spec/1.0' );
 define ( 'NAMESPACE_FEED',            'http://schemas.google.com/g/2010#updates-from' );
 
-// activity stream defines
+/**
+ * activity stream defines
+ */
 
 define ( 'ACTIVITY_LIKE',        NAMESPACE_ACTIVITY_SCHEMA . 'like' );
 define ( 'ACTIVITY_DISLIKE',     NAMESPACE_DFRN            . '/dislike' );
@@ -76,7 +115,7 @@ define ( 'ACTIVITY_OBJ_HEART',   NAMESPACE_DFRN            . '/heart' );
 
 define ( 'ACTIVITY_FRIEND',      NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
 define ( 'ACTIVITY_FOLLOW',      NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
-define ( 'ACTIVITY_UNFOLLOW',    NAMESPACE_ACTIVITY_SCHEMA . 'unfollow' );
+define ( 'ACTIVITY_UNFOLLOW',    NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
 define ( 'ACTIVITY_POST',        NAMESPACE_ACTIVITY_SCHEMA . 'post' );
 define ( 'ACTIVITY_UPDATE',      NAMESPACE_ACTIVITY_SCHEMA . 'update' );
 define ( 'ACTIVITY_TAG',         NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
@@ -88,24 +127,57 @@ define ( 'ACTIVITY_OBJ_PHOTO',   NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
 define ( 'ACTIVITY_OBJ_ALBUM',   NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
 
-// item weight for query ordering
+/**
+ * item weight for query ordering
+ */
 
 define ( 'GRAVITY_PARENT',       0);
 define ( 'GRAVITY_LIKE',         3);
 define ( 'GRAVITY_COMMENT',      6);
 
-
-// Our main application structure for the life of this page
-// Primarily deals with the URL that got us here
-// and tries to make some sense of it, and 
-// stores our page contents and config storage
-// and anything else that might need to be passed around 
-// before we spit the page out. 
+/**
+ *
+ * Reverse the effect of magic_quotes_gpc if it is enabled.
+ * Please disable magic_quotes_gpc so we don't have to do this.
+ * See http://php.net/manual/en/security.magicquotes.disabling.php
+ *
+ */
+
+if (get_magic_quotes_gpc()) {
+    $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
+    while (list($key, $val) = each($process)) {
+        foreach ($val as $k => $v) {
+            unset($process[$key][$k]);
+            if (is_array($v)) {
+                $process[$key][stripslashes($k)] = $v;
+                $process[] = &$process[$key][stripslashes($k)];
+            } else {
+                $process[$key][stripslashes($k)] = stripslashes($v);
+            }
+        }
+    }
+    unset($process);
+}
+
+
+/**
+ *
+ * class: App
+ *
+ * Our main application structure for the life of this page
+ * Primarily deals with the URL that got us here
+ * and tries to make some sense of it, and 
+ * stores our page contents and config storage
+ * and anything else that might need to be passed around 
+ * before we spit the page out. 
+ *
+ */
 
 if(! class_exists('App')) {
 class App {
 
 	public  $module_loaded = false;
+	public  $query_string;
 	public  $config;
 	public  $page;
 	public  $profile;
@@ -122,7 +194,12 @@ class App {
 	public  $pager;
 	public  $strings;   
 	public  $path;
+	public  $hooks;
+	public  $timezone;
 	public  $interactive = true;
+	public  $plugins;
+	public  $apps;
+	public  $identities;
 
 	private $scheme;
 	private $hostname;
@@ -138,19 +215,47 @@ class App {
 		$this->page = array();
 		$this->pager= array();
 
+		$this->query_string = '';
+
 		$this->scheme = ((isset($_SERVER['HTTPS']) && ($_SERVER['HTTPS']))	?  'https' : 'http' );
 
-		if(x($_SERVER,'SERVER_NAME'))
+		if(x($_SERVER,'SERVER_NAME')) {
 			$this->hostname = $_SERVER['SERVER_NAME'];
 
+			/** 
+			 * Figure out if we are running at the top of a domain
+			 * or in a sub-directory and adjust accordingly
+			 */
+
+			$path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
+			if(isset($path) && strlen($path) && ($path != $this->path))
+				$this->path = $path;
+		}
+
 		set_include_path("include/$this->hostname" . PATH_SEPARATOR . 'include' . PATH_SEPARATOR . '.' );
 
 		if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=")
-			$_SERVER['QUERY_STRING'] = substr($_SERVER['QUERY_STRING'],2);
+			$this->query_string = substr($_SERVER['QUERY_STRING'],2);
 		if(x($_GET,'q'))
-			$this->cmd = trim($_GET['q'],'/');
+			$this->cmd = trim($_GET['q'],'/\\');
 
 
+
+		/**
+		 *
+		 * Break the URL path into C style argc/argv style arguments for our
+		 * modules. Given "http://example.com/module/arg1/arg2", $this->argc
+		 * will be 3 (integer) and $this->argv will contain:
+		 *   [0] => 'module'
+		 *   [1] => 'arg1'
+		 *   [2] => 'arg2'
+		 *
+		 *
+		 * There will always be one argument. If provided a naked domain
+		 * URL, $this->argv[0] is set to "home".
+		 *
+		 */
+
 		$this->argv = explode('/',$this->cmd);
 		$this->argc = count($this->argv);
 		if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
@@ -160,9 +265,21 @@ class App {
 			$this->module = 'home';
 		}
 
-		if($this->cmd === '.well-known/host-meta')
+		/**
+		 * Special handling for the webfinger/lrdd host XRD file
+		 * Just spit out the contents and exit.
+		 */
+
+		if($this->cmd === '.well-known/host-meta') {
 			require_once('include/hostxrd.php');
+			hostxrd($this->hostname);
+			// NOTREACHED
+		}
 
+		/**
+		 * See if there is any page number information, and initialise 
+		 * pagination
+		 */
 
 		$this->pager['page'] = ((x($_GET,'page')) ? $_GET['page'] : 1);
 		$this->pager['itemspage'] = 50;
@@ -171,16 +288,35 @@ class App {
 	}
 
 	function get_baseurl($ssl = false) {
-		if(strlen($this->baseurl))
-			return $this->baseurl;
 
-		$this->baseurl = (($ssl) ? 'https' : $this->scheme) . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
+		$scheme = $this->scheme;
+
+		if(x($this->config,'ssl_policy')) {
+			if(($ssl) || ($this->config['ssl_policy'] == SSL_POLICY_FULL)) 
+				$scheme = 'https';
+			if(($this->config['ssl_policy'] == SSL_POLICY_SELFSIGN) && (local_user() || x($_POST,'auth-params')))
+				$scheme = 'https';
+		}
+
+		$this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
 		return $this->baseurl;
 	}
 
 	function set_baseurl($url) {
+		$parsed = @parse_url($url);
+
 		$this->baseurl = $url;
-		$this->hostname = basename($url);
+
+		if($parsed) {		
+			$this->scheme = $parsed['scheme'];
+
+			$this->hostname = $parsed['host'];
+			if(x($parsed,'port'))
+				$this->hostname .= ':' . $parsed['port'];
+			if(x($parsed,'path'))
+				$this->path = trim($parsed['path'],'\\/');
+		}
+
 	}
 
 	function get_hostname() {
@@ -210,9 +346,11 @@ class App {
 	} 
 
 	function init_pagehead() {
+		$this->page['title'] = $this->config['sitename'];
 		$tpl = load_view_file("view/head.tpl");
 		$this->page['htmlhead'] = replace_macros($tpl,array(
-			'$baseurl' => $this->get_baseurl()
+			'$baseurl' => $this->get_baseurl() . '/',
+			'$generator' => 'Friendika' . ' ' . FRIENDIKA_VERSION
 		));
 	}
 
@@ -277,29 +415,35 @@ function x($s,$k = NULL) {
 if(! function_exists('system_unavailable')) {
 function system_unavailable() {
 	include('system_unavailable.php');
+	system_down();
 	killme();
 }}
 
 // Primarily involved with database upgrade, but also sets the 
 // base url for use in cmdline programs which don't have
-// $_SERVER variables.
+// $_SERVER variables, and synchronising the state of installed plugins.
+
 
 if(! function_exists('check_config')) {
 function check_config(&$a) {
 
+
 	load_config('system');
 
+	if(! x($_SERVER,'SERVER_NAME'))
+		return;
+
 	$build = get_config('system','build');
 	if(! x($build))
-		$build = set_config('system','build',BUILD_ID);
+		$build = set_config('system','build',DB_UPDATE_VERSION);
 
 	$url = get_config('system','url');
 	if(! x($url))
 		$url = set_config('system','url',$a->get_baseurl());
 
-	if($build != BUILD_ID) {
+	if($build != DB_UPDATE_VERSION) {
 		$stored = intval($build);
-		$current = intval(BUILD_ID);
+		$current = intval(DB_UPDATE_VERSION);
 		if(($stored < $current) && file_exists('update.php')) {
 			// We're reporting a different version than what is currently installed.
 			// Run any existing update scripts to bring the database up to current.
@@ -311,12 +455,127 @@ function check_config(&$a) {
 					$func($a);
 				}
 			}
-			set_config('system','build', BUILD_ID);
+			set_config('system','build', DB_UPDATE_VERSION);
 		}
 	}
+
+	/**
+	 *
+	 * Synchronise plugins:
+	 *
+	 * $a->config['system']['addon'] contains a comma-separated list of names
+	 * of plugins/addons which are used on this system. 
+	 * Go through the database list of already installed addons, and if we have
+	 * an entry, but it isn't in the config list, call the uninstall procedure
+	 * and mark it uninstalled in the database (for now we'll remove it).
+	 * Then go through the config list and if we have a plugin that isn't installed,
+	 * call the install procedure and add it to the database.
+	 *
+	 */
+
+	$r = q("SELECT * FROM `addon` WHERE `installed` = 1");
+	if(count($r))
+		$installed = $r;
+	else
+		$installed = array();
+
+	$plugins = get_config('system','addon');
+	$plugins_arr = array();
+
+	if($plugins)
+		$plugins_arr = explode(',',str_replace(' ', '',$plugins));
+
+	$a->plugins = $plugins_arr;
+
+	$installed_arr = array();
+
+	if(count($installed)) {
+		foreach($installed as $i) {
+			if(! in_array($i['name'],$plugins_arr)) {
+				logger("Addons: uninstalling " . $i['name']);
+				q("DELETE FROM `addon` WHERE `id` = %d LIMIT 1",
+					intval($i['id'])
+				);
+
+				@include_once('addon/' . $i['name'] . '/' . $i['name'] . '.php');
+				if(function_exists($i['name'] . '_uninstall')) {
+					$func = $i['name'] . '_uninstall';
+					$func();
+				}
+			}
+			else
+				$installed_arr[] = $i['name'];
+		}
+	}
+
+	if(count($plugins_arr)) {
+		foreach($plugins_arr as $p) {
+			if(! in_array($p,$installed_arr)) {
+				logger("Addons: installing " . $p);
+				$t = filemtime('addon/' . $p . '/' . $p . '.php');
+				@include_once('addon/' . $p . '/' . $p . '.php');
+				if(function_exists($p . '_install')) {
+					$func = $p . '_install';
+					$func();
+					$r = q("INSERT INTO `addon` (`name`, `installed`, `timestamp`) VALUES ( '%s', 1, %d ) ",
+						dbesc($p),
+						intval($t)
+					);
+				}
+			}
+		}
+	}
+
+
+	load_hooks();
+
 	return;
 }}
 
+// reload all updated plugins
+
+if(! function_exists('reload_plugins')) {
+function reload_plugins() {
+	$plugins = get_config('system','addon');
+	if(strlen($plugins)) {
+
+		$r = q("SELECT * FROM `addon` WHERE `installed` = 1");
+		if(count($r))
+			$installed = $r;
+		else
+			$installed = array();
+
+		$parr = explode(',',$plugins);
+		if(count($parr)) {
+			foreach($parr as $pl) {
+				$pl = trim($pl);
+				
+				$t = filemtime('addon/' . $pl . '/' . $pl . '.php');
+				foreach($installed as $i) {
+					if(($i['name'] == $pl) && ($i['timestamp'] != $t)) {	
+						logger('Reloading plugin: ' . $i['name']);
+						@include_once('addon/' . $pl . '/' . $pl . '.php');
+
+						if(function_exists($pl . '_uninstall')) {
+							$func = $pl . '_uninstall';
+							$func();
+						}
+						if(function_exists($pl . '_install')) {
+							$func = $pl . '_install';
+							$func();
+						}
+						q("UPDATE `addon` SET `timestamp` = %d WHERE `id` = %d LIMIT 1",
+							intval($t),
+							intval($i['id'])
+						);
+					}
+				}
+			}
+		}
+	}
+}}
+				
+
 
 // This is our template processor.
 // $s is the string requiring macro substitution.
@@ -369,6 +628,9 @@ function t($s) {
 
 if(! function_exists('fetch_url')) {
 function fetch_url($url,$binary = false, &$redirects = 0) {
+
+	$a = get_app();
+
 	$ch = curl_init($url);
 	if(($redirects > 8) || (! $ch)) 
 		return false;
@@ -397,7 +659,12 @@ function fetch_url($url,$binary = false, &$redirects = 0) {
 	if($binary)
 		curl_setopt($ch, CURLOPT_BINARYTRANSFER,1);
 
-	$s = curl_exec($ch);
+	$a->set_curl_code(0);
+
+	// don't let curl abort the entire application
+	// if it throws any errors.
+
+	$s = @curl_exec($ch);
 
 	$http_code = intval(curl_getinfo($ch, CURLINFO_HTTP_CODE));
 	$header = substr($s,0,strpos($s,"\r\n\r\n"));
@@ -410,15 +677,23 @@ function fetch_url($url,$binary = false, &$redirects = 0) {
         $matches = array();
         preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
         $url = trim(array_pop($matches));
-        $url_parsed = parse_url($url);
+        $url_parsed = @parse_url($url);
         if (isset($url_parsed)) {
             $redirects++;
             return fetch_url($url,$binary,$redirects);
         }
     }
-	$a = get_app();
 	$a->set_curl_code($http_code);
+
 	$body = substr($s,strlen($header)+4);
+
+	/* one more try to make sure there are no more headers */
+
+	if(strpos($body,'HTTP/') === 0) {
+		$header = substr($body,0,strpos($body,"\r\n\r\n"));
+		$body = substr($body,strlen($header)+4);
+	}
+
 	$a->set_curl_headers($header);
 
 	curl_close($ch);
@@ -429,6 +704,7 @@ function fetch_url($url,$binary = false, &$redirects = 0) {
 
 if(! function_exists('post_url')) {
 function post_url($url,$params, $headers = null, &$redirects = 0) {
+	$a = get_app();
 	$ch = curl_init($url);
 	if(($redirects > 8) || (! $ch)) 
 		return false;
@@ -455,7 +731,12 @@ function post_url($url,$params, $headers = null, &$redirects = 0) {
 			curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
 	}
 
-	$s = curl_exec($ch);
+	$a->set_curl_code(0);
+
+	// don't let curl abort the entire application
+	// if it throws any errors.
+
+	$s = @curl_exec($ch);
 
 	$http_code = intval(curl_getinfo($ch, CURLINFO_HTTP_CODE));
 	$header = substr($s,0,strpos($s,"\r\n\r\n"));
@@ -468,15 +749,22 @@ function post_url($url,$params, $headers = null, &$redirects = 0) {
         $matches = array();
         preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
         $url = trim(array_pop($matches));
-        $url_parsed = parse_url($url);
+        $url_parsed = @parse_url($url);
         if (isset($url_parsed)) {
             $redirects++;
             return post_url($url,$binary,$headers,$redirects);
         }
     }
-	$a = get_app();
 	$a->set_curl_code($http_code);
 	$body = substr($s,strlen($header)+4);
+
+	/* one more try to make sure there are no more headers */
+
+	if(strpos($body,'HTTP/') === 0) {
+		$header = substr($body,0,strpos($body,"\r\n\r\n"));
+		$body = substr($body,strlen($header)+4);
+	}
+
 	$a->set_curl_headers($header);
 
 	curl_close($ch);
@@ -490,16 +778,29 @@ function random_string() {
 	return(hash('sha256',uniqid(rand(),true)));
 }}
 
-// This is our primary input filter. The high bit hack only involved some old
-// IE browser, forget which. 
-// Use this on any text input where angle chars are not valid or permitted
-// They will be replaced with safer brackets. This may be filtered further
-// if these are not allowed either.   
+/**
+ * This is our primary input filter. 
+ *
+ * The high bit hack only involved some old IE browser, forget which (IE5/Mac?)
+ * that had an XSS attack vector due to stripping the high-bit on an 8-bit character
+ * after cleansing, and angle chars with the high bit set could get through as markup.
+ * 
+ * This is now disabled because it was interfering with some legitimate unicode sequences 
+ * and hopefully there aren't a lot of those browsers left. 
+ *
+ * Use this on any text input where angle chars are not valid or permitted
+ * They will be replaced with safer brackets. This may be filtered further
+ * if these are not allowed either.   
+ *
+ */
 
 if(! function_exists('notags')) {
 function notags($string) {
-	// protect against :<> with high-bit set
-	return(str_replace(array("<",">","\xBA","\xBC","\xBE"), array('[',']','','',''), $string));
+
+	return(str_replace(array("<",">"), array('[',']'), $string));
+
+//  High-bit filter no longer used
+//	return(str_replace(array("<",">","\xBA","\xBC","\xBE"), array('[',']','','',''), $string));
 }}
 
 // use this on "body" or "content" input where angle chars shouldn't be removed,
@@ -518,17 +819,48 @@ function escape_tags($string) {
 if(! function_exists('login')) {
 function login($register = false) {
 	$o = "";
-	$register_html = (($register) ? load_view_file("view/register-link.tpl") : "");
-
+	$register_tpl = (($register) ? load_view_file("view/register-link.tpl") : "");
+	
+	$register_html = replace_macros($register_tpl,array(
+		'$title' => t('Create a New Account'),
+		'$desc' => t('Register')
+	));
+
+	$noid = get_config('system','no_openid');
+	if($noid) {
+		$classname = 'no-openid';
+		$namelabel = t('Nickname or Email address: ');
+		$passlabel = t('Password: ');
+		$login     = t('Login');
+	}
+	else {
+		$classname = 'openid';
+		$namelabel = t('Nickname/Email/OpenID: ');
+		$passlabel = t("Password \x28if not OpenID\x29: ");
+		$login     = t('Login');
+	}
+	$lostpass = t('Forgot your password?');
+	$lostlink = t('Password Reset');
 
-	if(x($_SESSION,'authenticated')) {
-		$o = load_view_file("view/logout.tpl");
+	if(local_user()) {
+		$tpl = load_view_file("view/logout.tpl");
 	}
 	else {
-		$o = load_view_file("view/login.tpl");
+		$tpl = load_view_file("view/login.tpl");
 
-		$o = replace_macros($o,array('$register_html' => $register_html ));
 	}
+	
+	$o = replace_macros($tpl,array(
+		'$logout'        => t('Logout'),
+		'$register_html' => $register_html, 
+		'$classname'     => $classname,
+		'$namelabel'     => $namelabel,
+		'$passlabel'     => $passlabel,
+		'$login'         => $login,
+		'$lostpass'      => $lostpass,
+		'$lostlink'      => $lostlink 
+	));
+
 	return $o;
 }}
 
@@ -694,7 +1026,6 @@ function xmlify($str) {
 			case "'" :
 				$buffer .= '&apos;';
 				break;
-
 			case "\"" :
 				$buffer .= '&quot;';
 				break;
@@ -730,6 +1061,11 @@ function unxmlify($s) {
 
 if(! function_exists('hex2bin')) {
 function hex2bin($s) {
+	if(! ctype_xdigit($s)) {
+		logger('hex2bin: illegal input: ' . print_r(debug_backtrace(), true));
+		return($s);
+	}
+
 	return(pack("H*",$s));
 }}
 
@@ -746,7 +1082,7 @@ function hex2bin($s) {
 if(! function_exists('paginate')) {
 function paginate(&$a) {
 	$o = '';
-	$stripped = preg_replace('/(&page=[0-9]*)/','',$_SERVER['QUERY_STRING']);
+	$stripped = preg_replace('/(&page=[0-9]*)/','',$a->query_string);
 	$stripped = str_replace('q=','',$stripped);
 	$stripped = trim($stripped,'/');
 	$url = $a->get_baseurl() . '/' . $stripped;
@@ -883,7 +1219,6 @@ if(! function_exists('set_config')) {
 function set_config($family,$key,$value) {
 
 	global $a;
-	$a->config[$family][$key] = $value;
 
 	if(get_config($family,$key,true) === false) {
 		$ret = q("INSERT INTO `config` ( `cat`, `k`, `v` ) VALUES ( '%s', '%s', '%s' ) ",
@@ -900,11 +1235,125 @@ function set_config($family,$key,$value) {
 		dbesc($family),
 		dbesc($key)
 	);
+
+	$a->config[$family][$key] = $value;
+
 	if($ret)
 		return $value;
 	return $ret;
 }}
 
+
+if(! function_exists('load_pconfig')) {
+function load_pconfig($uid,$family) {
+	global $a;
+	$r = q("SELECT * FROM `pconfig` WHERE `cat` = '%s' AND `uid` = %d",
+		dbesc($family),
+		intval($uid)
+	);
+	if(count($r)) {
+		foreach($r as $rr) {
+			$k = $rr['k'];
+			$a->config[$uid][$family][$k] = $rr['v'];
+		}
+	}
+}}
+
+
+
+if(! function_exists('get_pconfig')) {
+function get_pconfig($uid,$family, $key, $instore = false) {
+
+	global $a;
+
+	if(! $instore) {
+		if(isset($a->config[$uid][$family][$key])) {
+			if($a->config[$uid][$family][$key] === '!<unset>!') {
+				return false;
+			}
+			return $a->config[$uid][$family][$key];
+		}
+	}
+
+	$ret = q("SELECT `v` FROM `pconfig` WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
+		intval($uid),
+		dbesc($family),
+		dbesc($key)
+	);
+
+	if(count($ret)) {
+		$a->config[$uid][$family][$key] = $ret[0]['v'];
+		return $ret[0]['v'];
+	}
+	else {
+		$a->config[$uid][$family][$key] = '!<unset>!';
+	}
+	return false;
+}}
+
+if(! function_exists('del_config')) {
+function del_config($family,$key) {
+
+	global $a;
+	if(x($a->config[$family],$key))
+		unset($a->config[$family][$key]);
+	$ret = q("DELETE FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
+		dbesc($cat),
+		dbesc($key)
+	);
+	return $ret;
+}}
+
+
+
+// Same as above functions except these are for personal config storage and take an
+// additional $uid argument.
+
+if(! function_exists('set_pconfig')) {
+function set_pconfig($uid,$family,$key,$value) {
+
+	global $a;
+
+	if(get_pconfig($uid,$family,$key,true) === false) {
+		$ret = q("INSERT INTO `pconfig` ( `uid`, `cat`, `k`, `v` ) VALUES ( %d, '%s', '%s', '%s' ) ",
+			intval($uid),
+			dbesc($family),
+			dbesc($key),
+			dbesc($value)
+		);
+		if($ret) 
+			return $value;
+		return $ret;
+	}
+	$ret = q("UPDATE `pconfig` SET `v` = '%s' WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
+		dbesc($value),
+		intval($uid),
+		dbesc($family),
+		dbesc($key)
+	);
+
+	$a->config[$uid][$family][$key] = $value;
+
+	if($ret)
+		return $value;
+	return $ret;
+}}
+
+if(! function_exists('del_pconfig')) {
+function del_pconfig($uid,$family,$key) {
+
+	global $a;
+	if(x($a->config[$uid][$family],$key))
+		unset($a->config[$uid][$family][$key]);
+	$ret = q("DELETE FROM `pconfig` WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
+		intval($uid),
+		dbesc($family),
+		dbesc($key)
+	);
+	return $ret;
+}}
+
+
 // convert an XML document to a normalised, case-corrected array
 // used by webfinger
 
@@ -992,11 +1441,13 @@ function webfinger($s) {
 		$tpl = fetch_lrdd_template($host);
 		logger('webfinger: lrdd template: ' . $tpl);
 		if(strlen($tpl)) {
-			$pxrd = str_replace('{uri}', urlencode('acct:'.$s), $tpl);
+			$pxrd = str_replace('{uri}', urlencode('acct:' . $s), $tpl);
+			logger('webfinger: pxrd: ' . $pxrd);
 			$links = fetch_xrd_links($pxrd);
 			if(! count($links)) {
 				// try with double slashes
-				$pxrd = str_replace('{uri}', urlencode('acct://'.$s), $tpl);
+				$pxrd = str_replace('{uri}', urlencode('acct://' . $s), $tpl);
+				logger('webfinger: pxrd: ' . $pxrd);
 				$links = fetch_xrd_links($pxrd);
 			}
 			return $links;
@@ -1010,45 +1461,154 @@ function lrdd($uri) {
 
 	$a = get_app();
 
+	// default priority is host priority, host-meta first
+
+	$priority = 'host';
+
+	// All we have is an email address. Resource-priority is irrelevant
+	// because our URI isn't directly resolvable.
+
 	if(strstr($uri,'@')) {	
 		return(webfinger($uri));
 	}
-	else {
-		$html = fetch_url($uri);
-		$headers = $a->get_curl_headers();
+
+	// get the host meta file
+
+	$host = @parse_url($uri);
+
+	if($host) {
+		$url  = ((x($host,'scheme')) ? $host['scheme'] : 'http') . '://';
+		$url .= $host['host'] . '/.well-known/host-meta' ;
+	}
+	else
+		return array();
+
+	logger('lrdd: constructed url: ' . $url);
+
+	$xml = fetch_url($url);
+	$headers = $a->get_curl_headers();
+
+	if (! $xml)
+		return array();
+
+	logger('lrdd: host_meta: ' . $xml, LOGGER_DATA);
+	$h = simplexml_load_string($xml);
+	$arr = convert_xml_element_to_array($h);
+
+	if(isset($arr['xrd']['property'])) {
+		$property = $arr['crd']['property'];
+		if(! isset($property[0]))
+			$properties = array($property);
+		else
+			$properties = $property;
+		foreach($properties as $prop)
+			if((string) $prop['@attributes'] === 'http://lrdd.net/priority/resource')
+				$priority = 'resource';
+	} 
+
+	// save the links in case we need them
+
+	$links = array();
+
+	if(isset($arr['xrd']['link'])) {
+		$link = $arr['xrd']['link'];
+		if(! isset($link[0]))
+			$links = array($link);
+		else
+			$links = $link;
+	}
+
+	// do we have a template or href?
+
+	if(count($links)) {
+		foreach($links as $link) {
+			if($link['@attributes']['rel'] && attribute_contains($link['@attributes']['rel'],'lrdd')) {
+				if(x($link['@attributes'],'template'))
+					$tpl = $link['@attributes']['template'];
+				elseif(x($link['@attributes'],'href'))
+					$href = $link['@attributes']['href'];
+			}
+		}		
+	}
+
+	if((! isset($tpl)) || (! strpos($tpl,'{uri}')))
+		$tpl = '';
+
+	if($priority === 'host') {
+		if(strlen($tpl)) 
+			$pxrd = str_replace('{uri}', urlencode($uri), $tpl);
+		elseif(isset($href))
+			$pxrd = $href;
+		if(isset($pxrd)) {
+			logger('lrdd: (host priority) pxrd: ' . $pxrd);
+			$links = fetch_xrd_links($pxrd);
+			return $links;
+		}
+
 		$lines = explode("\n",$headers);
 		if(count($lines)) {
 			foreach($lines as $line) {				
-				// TODO alter the following regex to support multiple relations (space separated)
 				if((stristr($line,'link:')) && preg_match('/<([^>].*)>.*rel\=[\'\"]lrdd[\'\"]/',$line,$matches)) {
-					$link = $matches[1];
+					return(fetch_xrd_links($matches[1]));
 					break;
 				}
 			}
 		}
-		if(! isset($link)) {
-			// parse the page of the supplied URL looking for rel links
+	}
 
-			require_once('library/HTML5/Parser.php');
-			$dom = HTML5_Parser::parse($html);
 
-			if($dom) {
-				$items = $dom->getElementsByTagName('link');
+	// priority 'resource'
 
-				foreach($items as $item) {
-					$x = $item->getAttribute('rel');
-					if($x == "lrdd") {
-						$link = $item->getAttribute('href');
-						break;
-					}
-				}
+
+	$html = fetch_url($uri);
+	$headers = $a->get_curl_headers();
+	logger('lrdd: headers=' . $headers, LOGGER_DEBUG);
+
+	require_once('library/HTML5/Parser.php');
+	$dom = @HTML5_Parser::parse($html);
+
+	if($dom) {
+		$items = $dom->getElementsByTagName('link');
+		foreach($items as $item) {
+			$x = $item->getAttribute('rel');
+			if($x == "lrdd") {
+				$pagelink = $item->getAttribute('href');
+				break;
 			}
 		}
+	}
+
+	if(isset($pagelink))
+		return(fetch_xrd_links($pagelink));
+
+	// next look in HTTP headers
 
-		if(isset($link))
-			return(fetch_xrd_links($link));
+	$lines = explode("\n",$headers);
+	if(count($lines)) {
+		foreach($lines as $line) {				
+			// TODO alter the following regex to support multiple relations (space separated)
+			if((stristr($line,'link:')) && preg_match('/<([^>].*)>.*rel\=[\'\"]lrdd[\'\"]/',$line,$matches)) {
+				$pagelink = $matches[1];
+				break;
+			}
+			// don't try and run feeds through the html5 parser
+			if(stristr($line,'content-type:') && ((stristr($line,'application/atom+xml')) || (stristr($line,'application/rss+xml'))))
+				return array();
+			if(stristr($html,'<rss') || stristr($html,'<feed'))
+				return array();
+		}
 	}
+
+	if(isset($pagelink))
+		return(fetch_xrd_links($pagelink));
+
+	// If we haven't found any links, return the host xrd links (which we have already fetched)
+
+	if(isset($links))
+		return $links;
+
 	return array();
+
 }}
 
 
@@ -1062,6 +1622,7 @@ function fetch_lrdd_template($host) {
 	$tpl = '';
 	$url = 'http://' . $host . '/.well-known/host-meta' ;
 	$links = fetch_xrd_links($url);
+logger('template: ' . print_r($links,true));
 	if(count($links)) {
 		foreach($links as $link)
 			if($link['@attributes']['rel'] && $link['@attributes']['rel'] === 'lrdd')
@@ -1088,15 +1649,30 @@ function fetch_xrd_links($url) {
 	$h = simplexml_load_string($xml);
 	$arr = convert_xml_element_to_array($h);
 
+	$links = array();
+
 	if(isset($arr['xrd']['link'])) {
 		$link = $arr['xrd']['link'];
 		if(! isset($link[0]))
 			$links = array($link);
 		else
 			$links = $link;
-		return $links;
 	}
-	return array();
+	if(isset($arr['xrd']['alias'])) {
+		$alias = $arr['xrd']['alias'];
+		if(! isset($alias[0]))
+			$aliases = array($alias);
+		else
+			$aliases = $alias;
+		foreach($aliases as $alias) {
+			$links[]['@attributes'] = array('rel' => 'alias' , 'href' => $alias);
+		}
+	}
+
+	logger('fetch_xrd_links: ' . print_r($links,true), LOGGER_DATA);
+
+	return $links;
+
 }}
 
 // Convert an ACL array to a storable string
@@ -1159,9 +1735,9 @@ if(! function_exists('validate_url')) {
 function validate_url(&$url) {
 	if(substr($url,0,4) != 'http')
 		$url = 'http://' . $url;
-	$h = parse_url($url);
+	$h = @parse_url($url);
 
-	if(($h) && (checkdnsrr($h['host'], 'ANY'))) {
+	if(($h) && (dns_get_record($h['host'], DNS_A + DNS_CNAME + DNS_PTR))) {
 		return true;
 	}
 	return false;
@@ -1176,7 +1752,7 @@ function validate_email($addr) {
 		return false;
 	$h = substr($addr,strpos($addr,'@') + 1);
 
-	if(($h) && (checkdnsrr($h, 'ANY'))) {
+	if(($h) && (dns_get_record($h, DNS_A + DNS_CNAME + DNS_PTR + DNS_MX))) {
 		return true;
 	}
 	return false;
@@ -1190,7 +1766,7 @@ function validate_email($addr) {
 if(! function_exists('allowed_url')) {
 function allowed_url($url) {
 
-	$h = parse_url($url);
+	$h = @parse_url($url);
 
 	if(! $h) {
 		return false;
@@ -1249,7 +1825,7 @@ function allowed_email($email) {
 	if(count($allowed)) {
 		foreach($allowed as $a) {
 			$pat = strtolower(trim($a));
-			if(($fnmatch && fnmatch($pat,$host)) || ($pat == $host)) {
+			if(($fnmatch && fnmatch($pat,$domain)) || ($pat == $domain)) {
 				$found = true; 
 				break;
 			}
@@ -1322,7 +1898,6 @@ function attribute_contains($attr,$s) {
 
 if(! function_exists('logger')) {
 function logger($msg,$level = 0) {
-
 	$debugging = get_config('system','debugging');
 	$loglevel  = intval(get_config('system','loglevel'));
 	$logfile   = get_config('system','logfile');
@@ -1354,8 +1929,17 @@ function activity_match($haystack,$needle) {
 if(! function_exists('get_tags')) {
 function get_tags($s) {
 	$ret = array();
-	if(preg_match_all('/([@#][^ ,:?]*)([ ,:?]|$)/',$s,$match)) {
+
+	// ignore anything in a code block
+
+	$s = preg_replace('/\[code\](.*?)\[\/code\]/sm','',$s);
+
+	if(preg_match_all('/([@#][^ \x0D\x0A,:?]+)([ \x0D\x0A,:?]|$)/',$s,$match)) {
 		foreach($match[1] as $match) {
+			if(strstr($match,"]")) {
+				// we might be inside a bbcode color tag - leave it alone
+				continue;
+			}
 			if(substr($match,-1,1) === '.')
 				$ret[] = substr($match,0,-1);
 			else
@@ -1384,7 +1968,7 @@ function like_puller($a,$item,&$arr,$mode) {
 
 	if((activity_match($item['verb'],$verb)) && ($item['id'] != $item['parent'])) {
 		$url = $item['author-link'];
-		if(($item['network'] === 'dfrn') && (! $item['self']) && ($item['author-link'] == $item['url'])) {
+		if((local_user()) && (local_user() == $item['uid']) && ($item['network'] === 'dfrn') && (! $item['self']) && (link_compare($item['author-link'],$item['url']))) {
 			$url = $a->get_baseurl() . '/redir/' . $item['contact-id'];
 			$sparkle = ' class="sparkle" ';
 		}
@@ -1408,8 +1992,10 @@ function get_mentions($item) {
 	$arr = explode(',',$item['tag']);
 	foreach($arr as $x) {
 		$matches = null;
-		if(preg_match('/@\[url=([^\]]*)\]/',$x,$matches))
+		if(preg_match('/@\[url=([^\]]*)\]/',$x,$matches)) {
 			$o .= "\t\t" . '<link rel="mentioned" href="' . $matches[1] . '" />' . "\r\n";
+			$o .= "\t\t" . '<link rel="ostatus:attention" href="' . $matches[1] . '" />' . "\r\n";
+		}
 	}
 	return $o;
 }}
@@ -1418,6 +2004,11 @@ if(! function_exists('contact_block')) {
 function contact_block() {
 	$o = '';
 	$a = get_app();
+
+	$shown = get_pconfig($a->profile['uid'],'system','display_friend_count');
+	if(! $shown)
+		$shown = 24;
+
 	if((! is_array($a->profile)) || ($a->profile['hide-friends']))
 		return $o;
 	$r = q("SELECT COUNT(*) AS `total` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0",
@@ -1430,8 +2021,9 @@ function contact_block() {
 		$o .= '<h4 class="contact-h4">' . t('No contacts') . '</h4>';
 		return $o;
 	}
-	$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0 ORDER BY RAND() LIMIT 24",
-			intval($a->profile['uid'])
+	$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0 ORDER BY RAND() LIMIT %d",
+			intval($a->profile['uid']),
+			intval($shown)
 	);
 	if(count($r)) {
 		$o .= '<h4 class="contact-h4">' . $total . ' ' . t('Contacts') . '</h4><div id="contact-block">';
@@ -1453,6 +2045,10 @@ function contact_block() {
 		$o .=  '<div id="viewcontacts"><a id="viewcontacts-link" href="viewcontacts/' . $a->profile['nickname'] . '">' . t('View Contacts') . '</a></div>';
 		
 	}
+
+	$arr = array('contacts' => $r, 'output' => $o);
+
+	call_hooks('contact_block_end', $arr);
 	return $o;
 
 }}
@@ -1490,3 +2086,582 @@ function gravatar_img($email) {
 	return $url;
 }}
 
+if(! function_exists('aes_decrypt')) {
+function aes_decrypt($val,$ky)
+{
+    $key="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
+    for($a=0;$a<strlen($ky);$a++)
+      $key[$a%16]=chr(ord($key[$a%16]) ^ ord($ky[$a]));
+    $mode = MCRYPT_MODE_ECB;
+    $enc = MCRYPT_RIJNDAEL_128;
+    $dec = @mcrypt_decrypt($enc, $key, $val, $mode, @mcrypt_create_iv( @mcrypt_get_iv_size($enc, $mode), MCRYPT_DEV_URANDOM ) );
+    return rtrim($dec,(( ord(substr($dec,strlen($dec)-1,1))>=0 and ord(substr($dec, strlen($dec)-1,1))<=16)? chr(ord( substr($dec,strlen($dec)-1,1))):null));
+}}
+
+
+if(! function_exists('aes_encrypt')) {
+function aes_encrypt($val,$ky)
+{
+    $key="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
+    for($a=0;$a<strlen($ky);$a++)
+      $key[$a%16]=chr(ord($key[$a%16]) ^ ord($ky[$a]));
+    $mode=MCRYPT_MODE_ECB;
+    $enc=MCRYPT_RIJNDAEL_128;
+    $val=str_pad($val, (16*(floor(strlen($val) / 16)+(strlen($val) % 16==0?2:1))), chr(16-(strlen($val) % 16)));
+    return mcrypt_encrypt($enc, $key, $val, $mode, mcrypt_create_iv( mcrypt_get_iv_size($enc, $mode), MCRYPT_DEV_URANDOM));
+}} 
+
+
+/**
+ *
+ * Function: linkify
+ *
+ * Replace naked text hyperlink with HTML formatted hyperlink
+ *
+ */
+
+if(! function_exists('linkify')) {
+function linkify($s) {
+	$s = preg_replace("/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\.\=\_\~\#\'\%\$\!\+]*)/", ' <a href="$1" target="external-link">$1</a>', $s);
+	return($s);
+}}
+
+
+/**
+ * 
+ * Function: smilies
+ *
+ * Description:
+ * Replaces text emoticons with graphical images
+ *
+ * @Parameter: string $s
+ *
+ * Returns string
+ */
+
+if(! function_exists('smilies')) {
+function smilies($s) {
+	$a = get_app();
+
+	return str_replace(
+	array( '&lt;3', '&lt;/3', '&lt;\\3', ':-)', ';-)', ':-(', ':(', ':-P', ':-"', ':-x', ':-X', ':-D', '8-|', '8-O'),
+	array(
+		'<img src="' . $a->get_baseurl() . '/images/smiley-heart.gif" alt="<3" />',
+		'<img src="' . $a->get_baseurl() . '/images/smiley-brokenheart.gif" alt="</3" />',
+		'<img src="' . $a->get_baseurl() . '/images/smiley-brokenheart.gif" alt="<\\3" />',
+		'<img src="' . $a->get_baseurl() . '/images/smiley-smile.gif" alt=":-)" />',
+		'<img src="' . $a->get_baseurl() . '/images/smiley-wink.gif" alt=";-)" />',
+		'<img src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":-(" />',
+		'<img src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":(" />',
+		'<img src="' . $a->get_baseurl() . '/images/smiley-tongue-out.gif" alt=":-P" />',
+		'<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-\"" />',
+		'<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-x" />',
+		'<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-X" />',
+		'<img src="' . $a->get_baseurl() . '/images/smiley-laughing.gif" alt=":-D" />',
+		'<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-|" />',
+		'<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-O" />'
+	), $s);
+}}
+
+
+/**
+ *
+ * Function : profile_load
+ * @parameter App    $a
+ * @parameter string $nickname
+ * @parameter int    $profile
+ *
+ * Summary: Loads a profile into the page sidebar. 
+ * The function requires a writeable copy of the main App structure, and the nickname
+ * of a registered local account.
+ *
+ * If the viewer is an authenticated remote viewer, the profile displayed is the
+ * one that has been configured for his/her viewing in the Contact manager.
+ * Passing a non-zero profile ID can also allow a preview of a selected profile
+ * by the owner.
+ *
+ * Profile information is placed in the App structure for later retrieval.
+ * Honours the owner's chosen theme for display. 
+ *
+ */
+
+if(! function_exists('profile_load')) {
+function profile_load(&$a, $nickname, $profile = 0) {
+	if(remote_user()) {
+		$r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
+			intval($_SESSION['visitor_id']));
+		if(count($r))
+			$profile = $r[0]['profile-id'];
+	} 
+
+	$r = null;
+
+	if($profile) {
+		$profile_int = intval($profile);
+		$r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `user`.* FROM `profile` 
+			LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
+			WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d LIMIT 1",
+			dbesc($nickname),
+			intval($profile_int)
+		);
+	}
+	if(! count($r)) {	
+		$r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `user`.* FROM `profile` 
+			LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
+			WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 LIMIT 1",
+			dbesc($nickname)
+		);
+	}
+
+	if(($r === false) || (! count($r))) {
+		notice( t('No profile') . EOL );
+		$a->error = 404;
+		return;
+	}
+
+	$a->profile = $r[0];
+
+
+	$a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
+	$_SESSION['theme'] = $a->profile['theme'];
+
+	if(! (x($a->page,'aside')))
+		$a->page['aside'] = '';
+
+	$a->page['aside'] .= profile_sidebar($a->profile);
+	$a->page['aside'] .= contact_block();
+
+	return;
+}}
+
+
+/**
+ *
+ * Function: profile_sidebar
+ *
+ * Formats a profile for display in the sidebar.
+ * It is very difficult to templatise the HTML completely
+ * because of all the conditional logic.
+ *
+ * @parameter: array $profile
+ *
+ * Returns HTML string stuitable for sidebar inclusion
+ * Exceptions: Returns empty string if passed $profile is wrong type or not populated
+ *
+ */
+
+
+if(! function_exists('profile_sidebar')) {
+function profile_sidebar($profile) {
+
+	$o = '';
+	$location = '';
+	$address = false;
+
+	if((! is_array($profile)) && (! count($profile)))
+		return $o;
+
+	call_hooks('profile_sidebar_enter', $profile);
+
+	$fullname = '<div class="fn">' . $profile['name'] . '</div>';
+
+	$pdesc = '<div class="title">' . $profile['pdesc'] . '</div>';
+
+	$tabs = '';
+
+	$photo = '<div id="profile-photo-wrapper"><img class="photo" src="' . $profile['photo'] . '" alt="' . $profile['name'] . '" /></div>';
+
+	$connect = (($profile['uid'] != local_user()) ? '<li><a id="dfrn-request-link" href="dfrn_request/' . $profile['nickname'] . '">' . t('Connect') . '</a></li>' : '');
+ 
+	if((x($profile,'address') == 1) 
+		|| (x($profile,'locality') == 1) 
+		|| (x($profile,'region') == 1) 
+		|| (x($profile,'postal-code') == 1) 
+		|| (x($profile,'country-name') == 1))
+		$address = true;
+
+	if($address) {
+		$location .= '<div class="location"><span class="location-label">' . t('Location:') . '</span> <div class="adr">';
+		$location .= ((x($profile,'address') == 1) ? '<div class="street-address">' . $profile['address'] . '</div>' : '');
+		$location .= (((x($profile,'locality') == 1) || (x($profile,'region') == 1) || (x($profile,'postal-code') == 1)) 
+			? '<span class="city-state-zip"><span class="locality">' . $profile['locality'] . '</span>' 
+			. ((x($profile['locality']) == 1) ? t(', ') : '') 
+			. '<span class="region">' . $profile['region'] . '</span>'
+			. ' <span class="postal-code">' . $profile['postal-code'] . '</span></span>' : '');
+		$location .= ((x($profile,'country-name') == 1) ? ' <span class="country-name">' . $profile['country-name'] . '</span>' : '');  
+		$location .= '</div></div><div class="profile-clear"></div>';
+
+	}
+
+	$gender = ((x($profile,'gender') == 1) ? '<div class="mf"><span class="gender-label">' . t('Gender:') . '</span> <span class="x-gender">' . $profile['gender'] . '</span></div><div class="profile-clear"></div>' : '');
+
+	$pubkey = ((x($profile,'pubkey') == 1) ? '<div class="key" style="display:none;">' . $profile['pubkey'] . '</div>' : '');
+
+	$marital = ((x($profile,'marital') == 1) ? '<div class="marital"><span class="marital-label"><span class="heart">&hearts;</span> ' . t('Status:') . ' </span><span class="marital-text">' . $profile['marital'] . '</span></div></div><div class="profile-clear"></div>' : '');
+
+	$homepage = ((x($profile,'homepage') == 1) ? '<div class="homepage"><span class="homepage-label">' . t('Homepage:') . ' </span><span class="homepage-url">' . linkify($profile['homepage']) . '</span></div></div><div class="profile-clear"></div>' : '');
+
+	$tpl = load_view_file('view/profile_vcard.tpl');
+
+	$o .= replace_macros($tpl, array(
+		'$fullname' => $fullname,
+		'$pdesc'    => $pdesc,
+		'$tabs'     => $tabs,
+		'$photo'    => $photo,
+		'$connect'  => $connect,		
+		'$location' => $location,
+		'$gender'   => $gender,
+		'$pubkey'   => $pubkey,
+		'$marital'  => $marital,
+		'$homepage' => $homepage
+	));
+
+
+	$arr = array('profile' => $profile, 'entry' => $o);
+
+	call_hooks('profile_sidebar', $arr);
+
+	return $o;
+}}
+
+
+if(! function_exists('register_hook')) {
+function register_hook($hook,$file,$function) {
+
+	$r = q("SELECT * FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
+		dbesc($hook),
+		dbesc($file),
+		dbesc($function)
+	);
+	if(count($r))
+		return true;
+
+	$r = q("INSERT INTO `hook` (`hook`, `file`, `function`) VALUES ( '%s', '%s', '%s' ) ",
+		dbesc($hook),
+		dbesc($file),
+		dbesc($function)
+	);
+	return $r;
+}}
+
+if(! function_exists('unregister_hook')) {
+function unregister_hook($hook,$file,$function) {
+
+	$r = q("DELETE FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
+		dbesc($hook),
+		dbesc($file),
+		dbesc($function)
+	);
+	return $r;
+}}
+
+
+if(! function_exists('load_hooks')) {
+function load_hooks() {
+	$a = get_app();
+	$a->hooks = array();
+	$r = q("SELECT * FROM `hook` WHERE 1");
+	if(count($r)) {
+		foreach($r as $rr) {
+			$a->hooks[] = array($rr['hook'], $rr['file'], $rr['function']);
+		}
+	}
+}}
+
+
+if(! function_exists('call_hooks')) {
+function call_hooks($name, &$data = null) {
+	$a = get_app();
+
+	if(count($a->hooks)) {
+		foreach($a->hooks as $hook) {
+			if($hook[HOOK_HOOK] === $name) {
+				@include_once($hook[HOOK_FILE]);
+				if(function_exists($hook[HOOK_FUNCTION])) {
+					$func = $hook[HOOK_FUNCTION];
+					$func($a,$data);
+				}
+			}
+		}
+	}
+}}
+
+
+if(! function_exists('day_translate')) {
+function day_translate($s) {
+	$ret = str_replace(array('Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday'),
+		array( t('Monday'), t('Tuesday'), t('Wednesday'), t('Thursday'), t('Friday'), t('Saturday'), t('Sunday')),
+		$s);
+
+	$ret = str_replace(array('January','February','March','April','May','June','July','August','September','October','November','December'),
+		array( t('January'), t('February'), t('March'), t('April'), t('May'), t('June'), t('July'), t('August'), t('September'), t('October'), t('November'), t('December')),
+		$ret);
+
+	return $ret;
+}}
+
+if(! function_exists('get_birthdays')) {
+function get_birthdays() {
+
+	$a = get_app();
+	$o = '';
+
+	if(! local_user())
+		return $o;
+
+	$bd_format = get_config('system','birthday_format');
+	if(! $bd_format)
+		$bd_format = 'g A l F d' ; // 8 AM Friday January 18
+
+	$r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event` 
+		LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid` 
+		WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s' 
+		ORDER BY `start` DESC ",
+		intval(local_user()),
+		dbesc(datetime_convert('UTC','UTC','now + 6 days')),
+		dbesc(datetime_convert('UTC','UTC','now'))
+	);
+
+	if($r && count($r)) {
+		$o .= '<div id="birthday-wrapper"><div id="birthday-title">' . t('Birthdays this week:') . '</div>'; 
+		$o .= '<div id="birthday-adjust">' . t("\x28Adjusted for local time\x29") . '</div>';
+		$o .= '<div id="birthday-title-end"></div>';
+
+		foreach($r as $rr) {
+			$now = strtotime('now');
+			$today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false); 
+
+			$o .= '<div class="birthday-list" id="birthday-' . $rr['eid'] . '"><a class="sparkle" href="' 
+			. $a->get_baseurl() . '/redir/'  . $rr['cid'] . '">' . $rr['name'] . '</a> ' 
+			. day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $bd_format)) . (($today) ?  ' ' . t('[today]') : '')
+			. '</div>' ;
+		}
+
+		$o .= '</div>';
+	}
+
+  return $o;
+
+}}
+
+/**
+ *
+ * Compare two URLs to see if they are the same, but ignore
+ * slight but hopefully insignificant differences such as if one 
+ * is https and the other isn't, or if one is www.something and 
+ * the other isn't - and also ignore case differences.
+ *
+ * Return true if the URLs match, otherwise false.
+ *
+ */
+
+if(! function_exists('link_compare')) {
+function link_compare($a,$b) {
+	$a1 = str_replace(array('https:','//www.'), array('http:','//'), $a);
+	$b1 = str_replace(array('https:','//www.'), array('http:','//'), $b);
+	if(strcasecmp($a1,$b1) === 0)
+		return true;
+	return false;
+}}
+
+
+if(! function_exists('prepare_body')) {
+function prepare_body($item) {
+	return prepare_text($item['body']);
+}}
+
+if(! function_exists('prepare_text')) {
+function prepare_text($text) {
+
+	require_once('include/bbcode.php');
+
+	$s = smilies(bbcode($text));
+
+	return $s;
+}}
+
+/**
+ * 
+ * Wrap calls to proc_close(proc_open()) and call hook
+ * so plugins can take part in process :)
+ * 
+ * args:
+ * $cmd program to run
+ *  next args are passed as $cmd command line
+ * 
+ * e.g.: proc_run("ls","-la","/tmp");
+ * 
+ * $cmd and string args are surrounded with ""
+ */
+
+if(! function_exists('proc_run')) {
+function proc_run($cmd){
+
+	$a = get_app();
+
+	$args = func_get_args();
+	call_hooks("proc_run", $args);
+
+	if(count($args) && $args[0] === 'php')
+        $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
+	
+	foreach ($args as $arg){
+		$arg = escapeshellarg($arg);
+	}
+	$cmdline = implode($args," ");
+	proc_close(proc_open($cmdline." &",array(),$foo));
+}}
+
+/*
+ * Return full URL to theme which is currently in effect.
+ * Provide a sane default if nothing is chosen or the specified theme does not exist.
+ */
+
+if(! function_exists('current_theme_url')) {
+function current_theme_url() {
+
+	$app_base_themes = array('duepuntozero', 'loozah');
+
+	$a = get_app();
+
+	$system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
+	$theme_name = ((x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
+
+	if($theme_name && file_exists('view/theme/' . $theme_name . '/style.css'))
+		return($a->get_baseurl() . '/view/theme/' . $theme_name . '/style.css'); 
+
+	foreach($app_base_themes as $t) {
+		if(file_exists('view/theme/' . $t . '/style.css'))
+			return($a->get_baseurl() . '/view/theme/' . $t . '/style.css'); 
+	}	
+
+	$fallback = glob('view/theme/*/style.css');
+	if(count($fallback))
+		return($a->get_baseurl() . $fallback[0]);
+
+	
+}}
+
+if(! function_exists('feed_birthday')) {
+function feed_birthday($uid,$tz) {
+
+	/**
+	 *
+	 * Determine the next birthday, but only if the birthday is published
+	 * in the default profile. We _could_ also look for a private profile that the
+	 * recipient can see, but somebody could get mad at us if they start getting
+	 * public birthday greetings when they haven't made this info public. 
+	 *
+	 * Assuming we are able to publish this info, we are then going to convert
+	 * the start time from the owner's timezone to UTC. 
+	 *
+	 * This will potentially solve the problem found with some social networks
+	 * where birthdays are converted to the viewer's timezone and salutations from
+	 * elsewhere in the world show up on the wrong day. We will convert it to the
+	 * viewer's timezone also, but first we are going to convert it from the birthday
+	 * person's timezone to GMT - so the viewer may find the birthday starting at
+	 * 6:00PM the day before, but that will correspond to midnight to the birthday person.
+	 *
+	 */
+
+	$birthday = '';
+
+	$p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
+		intval($uid)
+	);
+
+	if($p && count($p)) {
+		$tmp_dob = substr($p[0]['dob'],5);
+		if(intval($tmp_dob)) {
+			$y = datetime_convert($tz,$tz,'now','Y');
+			$bd = $y . '-' . $tmp_dob . ' 00:00';
+			$t_dob = strtotime($bd);
+			$now = strtotime(datetime_convert($tz,$tz,'now'));
+			if($t_dob < $now)
+				$bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
+			$birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME); 
+		}
+	}
+
+	return $birthday;
+}}
+
+/**
+ * return atom link elements for all of our hubs
+ */
+
+if(! function_exists('feed_hublinks')) {
+function feed_hublinks() {
+
+	$hub = get_config('system','huburl');
+
+	$hubxml = '';
+	if(strlen($hub)) {
+		$hubs = explode(',', $hub);
+		if(count($hubs)) {
+			foreach($hubs as $h) {
+				$h = trim($h);
+				if(! strlen($h))
+					continue;
+				$hubxml .= '<link rel="hub" href="' . xmlify($h) . '" />' . "\n" ;
+			}
+		}
+	}
+	return $hubxml;
+}}
+
+/* return atom link elements for salmon endpoints */
+
+if(! function_exists('feed_salmonlinks')) {
+function feed_salmonlinks($nick) {
+
+	$a = get_app();
+
+	$salmon  = '<link rel="salmon" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
+
+	// old style links that status.net still needed as of 12/2010 
+
+	$salmon .= '  <link rel="http://salmon-protocol.org/ns/salmon-replies" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ; 
+	$salmon .= '  <link rel="http://salmon-protocol.org/ns/salmon-mention" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ; 
+	return $salmon;
+}}
+
+if(! function_exists('get_plink')) {
+function get_plink($item) {
+	$a = get_app();	
+	$plink = (((x($item,'plink')) && (! $item['private'])) ? '<div class="wall-item-links-wrapper"><a href="' 
+			. $item['plink'] . '" title="' . t('link to source') . '" target="external-link" ><img src="' . $a->get_baseurl() . '/images/remote-link.gif" alt="' . t('link to source') . '" /></a></div>' : '');
+	return $plink;
+}}
+
+if(! function_exists('unamp')) {
+function unamp($s) {
+	return str_replace('&amp;', '&', $s);
+}}
+
+if(! function_exists('extract_item_authors')) {
+function extract_item_authors($arr,$uid) {
+
+	if((! $uid) || (! is_array($arr)) || (! count($arr)))
+		return array();
+	$urls = array();
+	foreach($arr as $rr) {
+		if(! in_array("'" . dbesc($rr['author-link']) . "'",$urls))
+			$urls[] = "'" . dbesc($rr['author-link']) . "'";
+	}
+
+	// pre-quoted, don't put quotes on %s
+	if(count($urls)) {
+		$r = q("SELECT `id`,`url` FROM `contact` WHERE `uid` = %d AND `url` IN ( %s ) AND `network` = 'dfrn' AND `self` = 0 AND `blocked` = 0 ",
+			intval($uid),
+			implode(',',$urls)
+		);
+		if(count($r)) {
+			$ret = array();
+			foreach($r as $rr)
+				$ret[$rr['url']] = $rr['id'];
+			return $ret;
+		}
+	}
+	return array();		
+}}
\ No newline at end of file