X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;ds=sidebyside;f=boot.php;h=cdb1b35edb8d2bdec0d0f080cd401055cba7d07b;hb=6a3815e751b013d2fba1e1de6df89566f971e39c;hp=786ebdee68a0595215b5189863c632fd98e4ecd2;hpb=511c761fec572a093e833541968635ca011cb71e;p=friendica.git

diff --git a/boot.php b/boot.php
index 786ebdee68..cdb1b35edb 100644
--- a/boot.php
+++ b/boot.php
@@ -2,12 +2,20 @@
 
 set_time_limit(0);
 
-define ( 'BUILD_ID',               1008   );
+define ( 'BUILD_ID',               1017   );
 define ( 'DFRN_PROTOCOL_VERSION',  '2.0'  );
 
 define ( 'EOL',                    "<br />\r\n"     );
 define ( 'ATOM_TIME',              'Y-m-d\TH:i:s\Z' );
 
+// log levels
+
+define ( 'LOGGER_NORMAL',          0 );
+define ( 'LOGGER_TRACE',           1 );
+define ( 'LOGGER_DEBUG',           2 );
+define ( 'LOGGER_DATA',            3 );
+define ( 'LOGGER_ALL',             4 );
+
 // registration policy
 
 define ( 'REGISTER_CLOSED',        0 );
@@ -52,9 +60,13 @@ define ( 'NAMESPACE_DFRN' ,           'http://purl.org/macgirvin/dfrn/1.0' );
 define ( 'NAMESPACE_THREAD' ,         'http://purl.org/syndication/thread/1.0' );
 define ( 'NAMESPACE_TOMB' ,           'http://purl.org/atompub/tombstones/1.0' );
 define ( 'NAMESPACE_ACTIVITY',        'http://activitystrea.ms/spec/1.0/' );
-define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/');
-define ( 'NAMESPACE_SALMON_ME',       'http://salmon-protocol.org/ns/magic-env');
-define ( 'NAMESPACE_OSTATUSSUB',      'http://ostatus.org/schema/1.0/subscribe');
+define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
+define ( 'NAMESPACE_MEDIA',           'http://purl.org/syndication/atommedia' );
+define ( 'NAMESPACE_SALMON_ME',       'http://salmon-protocol.org/ns/magic-env' );
+define ( 'NAMESPACE_OSTATUSSUB',      'http://ostatus.org/schema/1.0/subscribe' );
+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
 
@@ -63,8 +75,11 @@ define ( 'ACTIVITY_DISLIKE',     NAMESPACE_DFRN            . '/dislike' );
 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_POST',        NAMESPACE_ACTIVITY_SCHEMA . 'post' );
 define ( 'ACTIVITY_UPDATE',      NAMESPACE_ACTIVITY_SCHEMA . 'update' );
+define ( 'ACTIVITY_TAG',         NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
 
 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
 define ( 'ACTIVITY_OBJ_NOTE',    NAMESPACE_ACTIVITY_SCHEMA . 'note' );
@@ -115,6 +130,7 @@ class App {
 	private $db;
 
 	private $curl_code;
+	private $curl_headers;
 
 	function __construct() {
 
@@ -122,17 +138,17 @@ class App {
 		$this->page = array();
 		$this->pager= array();
 
-		$this->scheme = ((isset($_SERVER['HTTPS']) 
-				&& ($_SERVER['HTTPS']))	?  'https' : 'http' );
-		$this->hostname = str_replace('www.','',
-				$_SERVER['SERVER_NAME']);
-		set_include_path("include/$this->hostname" 
-				. PATH_SEPARATOR . 'include' 
-				. PATH_SEPARATOR . '.' );
+		$this->scheme = ((isset($_SERVER['HTTPS']) && ($_SERVER['HTTPS']))	?  'https' : 'http' );
+
+		if(x($_SERVER,'SERVER_NAME'))
+			$this->hostname = $_SERVER['SERVER_NAME'];
 
-                if(substr($_SERVER['QUERY_STRING'],0,2) == "q=")
+		set_include_path("include/$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);
-		$this->cmd = trim($_GET['q'],'/');
+		if(x($_GET,'q'))
+			$this->cmd = trim($_GET['q'],'/');
 
 
 		$this->argv = explode('/',$this->cmd);
@@ -147,6 +163,7 @@ class App {
 		if($this->cmd === '.well-known/host-meta')
 			require_once('include/hostxrd.php');
 
+
 		$this->pager['page'] = ((x($_GET,'page')) ? $_GET['page'] : 1);
 		$this->pager['itemspage'] = 50;
 		$this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
@@ -157,9 +174,7 @@ class App {
 		if(strlen($this->baseurl))
 			return $this->baseurl;
 
-		$this->baseurl = (($ssl) ? 'https' : $this->scheme) . "://" . $this->hostname
-			. ((isset($this->path) && strlen($this->path)) 
-			? '/' . $this->path : '' );
+		$this->baseurl = (($ssl) ? 'https' : $this->scheme) . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
 		return $this->baseurl;
 	}
 
@@ -177,7 +192,7 @@ class App {
 	}
 
 	function set_path($p) {
-		$this->path = ltrim(trim($p),'/');
+		$this->path = trim(trim($p),'/');
 	} 
 
 	function get_path() {
@@ -209,6 +224,15 @@ class App {
 		return $this->curl_code;
 	}
 
+	function set_curl_headers($headers) {
+		$this->curl_headers = $headers;
+	}
+
+	function get_curl_headers() {
+		return $this->curl_headers;
+	}
+
+
 }}
 
 // retrieve the App structure
@@ -332,10 +356,10 @@ function load_translation_table($lang) {
 
 if(! function_exists('t')) {
 function t($s) {
-	
+
 	$a = get_app();
 
-	if($a->strings[$s])
+	if(x($a->strings,$s))
 		return $a->strings[$s];
 	return $s;
 }}
@@ -344,15 +368,19 @@ function t($s) {
 // results. 
 
 if(! function_exists('fetch_url')) {
-function fetch_url($url,$binary = false) {
+function fetch_url($url,$binary = false, &$redirects = 0) {
 	$ch = curl_init($url);
-	if(! $ch) return false;
+	if(($redirects > 8) || (! $ch)) 
+		return false;
 
-	curl_setopt($ch, CURLOPT_HEADER, 0);
-	curl_setopt($ch, CURLOPT_FOLLOWLOCATION,true);
-	curl_setopt($ch, CURLOPT_MAXREDIRS,8);
+	curl_setopt($ch, CURLOPT_HEADER, true);
 	curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
 
+
+	$curl_time = intval(get_config('system','curl_timeout'));
+	if($curl_time)
+		curl_setopt($ch, CURLOPT_TIMEOUT, $curl_time);
+
 	// by default we will allow self-signed certs
 	// but you can override this
 
@@ -371,26 +399,53 @@ function fetch_url($url,$binary = false) {
 		curl_setopt($ch, CURLOPT_BINARYTRANSFER,1);
 
 	$s = curl_exec($ch);
-	$info = curl_getinfo($ch);
+
+	$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+	$header = substr($s,0,strpos($s,"\r\n\r\n"));
+	if(stristr($header,'100') && (strlen($header) < 30)) {
+		// 100 Continue has two headers, get the real one
+		$s = substr($s,strlen($header)+4);
+		$header = substr($s,0,strpos($s,"\r\n\r\n"));
+	}
+	if($http_code == 301 || $http_code == 302 || $http_code == 303) {
+        $matches = array();
+        preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
+        $url = trim(array_pop($matches));
+        $url_parsed = parse_url($url);
+        if (isset($url_parsed)) {
+            $redirects++;
+            return fetch_url($url,$binary,$redirects);
+        }
+    }
 	$a = get_app();
-	$a->set_curl_code($info['http_code']);
+	$a->set_curl_code($http_code);
+	$body = substr($s,strlen($header)+4);
+	$a->set_curl_headers($header);
+
 	curl_close($ch);
-	return($s);
+	return($body);
 }}
 
 // post request to $url. $params is an array of post variables.
 
 if(! function_exists('post_url')) {
-function post_url($url,$params) {
+function post_url($url,$params, $headers = null, &$redirects = 0) {
 	$ch = curl_init($url);
-	if(! $ch) return false;
+	if(($redirects > 8) || (! $ch)) 
+		return false;
 
-	curl_setopt($ch, CURLOPT_HEADER, 0);
-	curl_setopt($ch, CURLOPT_FOLLOWLOCATION,true);
-	curl_setopt($ch, CURLOPT_MAXREDIRS,8);
+	curl_setopt($ch, CURLOPT_HEADER, true);
 	curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
 	curl_setopt($ch, CURLOPT_POST,1);
 	curl_setopt($ch, CURLOPT_POSTFIELDS,$params);
+
+	$curl_time = intval(get_config('system','curl_timeout'));
+	if($curl_time)
+		curl_setopt($ch, CURLOPT_TIMEOUT, $curl_time);
+
+	if(is_array($headers))
+		curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
+
 	$check_cert = get_config('system','verifyssl');
 	curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
 	$prx = get_config('system','proxy');
@@ -403,11 +458,31 @@ function post_url($url,$params) {
 	}
 
 	$s = curl_exec($ch);
-	$info = curl_getinfo($ch);
+
+	$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+	$header = substr($s,0,strpos($s,"\r\n\r\n"));
+	if(stristr($header,'100') && (strlen($header) < 30)) {
+		// 100 Continue has two headers, get the real one
+		$s = substr($s,strlen($header)+4);
+		$header = substr($s,0,strpos($s,"\r\n\r\n"));
+	}
+	if($http_code == 301 || $http_code == 302 || $http_code == 303) {
+        $matches = array();
+        preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
+        $url = trim(array_pop($matches));
+        $url_parsed = parse_url($url);
+        if (isset($url_parsed)) {
+            $redirects++;
+            return post_url($url,$binary,$headers,$redirects);
+        }
+    }
 	$a = get_app();
-	$a->set_curl_code($info['http_code']);
+	$a->set_curl_code($http_code);
+	$body = substr($s,strlen($header)+4);
+	$a->set_curl_headers($header);
+
 	curl_close($ch);
-	return($s);
+	return($body);
 }}
 
 // random hash, 64 chars
@@ -553,8 +628,10 @@ function goaway($s) {
 if(! function_exists('xml_status')) {
 function xml_status($st, $message = '') {
 
-	if(strlen($message))
-		$xml_message = "\t<message>" . xmlify($message) . "</message>\r\n";
+	$xml_message = ((strlen($message)) ? "\t<message>" . xmlify($message) . "</message>\r\n" : '');
+
+	if($st)
+		logger('xml_status returning non_zero: ' . $st . " message=" . $message);
 
 	header( "Content-type: text/xml" );
 	echo '<?xml version="1.0" encoding="UTF-8"?>'."\r\n";
@@ -630,7 +707,7 @@ function xmlify($str) {
 				$buffer .= '&gt;';
 				break;
 			case "\n" :
-				$buffer .= ' ';
+				$buffer .= "\n";
 				break;
 			default :
 				$buffer .= $char;
@@ -671,7 +748,7 @@ function hex2bin($s) {
 if(! function_exists('paginate')) {
 function paginate(&$a) {
 	$o = '';
-	$stripped = ereg_replace("(&page=[0-9]*)","",$_SERVER['QUERY_STRING']);
+	$stripped = preg_replace('/(&page=[0-9]*)/','',$_SERVER['QUERY_STRING']);
 	$stripped = str_replace('q=','',$stripped);
 	$stripped = trim($stripped,'/');
 	$url = $a->get_baseurl() . '/' . $stripped;
@@ -890,6 +967,7 @@ function webfinger_dfrn($s) {
 		return $s;
 	}
 	$links = webfinger($s);
+	logger('webfinger_dfrn: ' . $s . ':' . print_r($links,true), LOGGER_DATA);
 	if(count($links)) {
 		foreach($links as $link)
 			if($link['@attributes']['rel'] === NAMESPACE_DFRN)
@@ -914,12 +992,13 @@ function webfinger($s) {
 	}
 	if(strlen($host)) {
 		$tpl = fetch_lrdd_template($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);
 			$links = fetch_xrd_links($pxrd);
 			if(! count($links)) {
-				// try without the double slashes
-				$pxrd = str_replace('{uri}', urlencode('acct:'.$s), $tpl);
+				// try with double slashes
+				$pxrd = str_replace('{uri}', urlencode('acct://'.$s), $tpl);
 				$links = fetch_xrd_links($pxrd);
 			}
 			return $links;
@@ -928,6 +1007,54 @@ function webfinger($s) {
 	return array();
 }}
 
+if(! function_exists('lrdd')) {
+function lrdd($uri) {
+
+	$a = get_app();
+
+	if(strstr($uri,'@')) {	
+		return(webfinger($uri));
+	}
+	else {
+		$html = fetch_url($uri);
+		$headers = $a->get_curl_headers();
+		$lines = explode("\n",$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 = $matches[1];
+					break;
+				}
+			}
+		}
+		if(! isset($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 = $dom->getElementsByTagName('link');
+
+				foreach($items as $item) {
+					$x = $item->getAttribute('rel');
+					if($x == "lrdd") {
+						$link = $item->getAttribute('href');
+						break;
+					}
+				}
+			}
+		}
+
+		if(isset($link))
+			return(fetch_xrd_links($link));
+	}
+	return array();
+}}
+
+
+
 // Given a host name, locate the LRDD template from that
 // host. Returns the LRDD template or an empty string on
 // error/failure.
@@ -954,9 +1081,12 @@ function fetch_lrdd_template($host) {
 if(! function_exists('fetch_xrd_links')) {
 function fetch_xrd_links($url) {
 
+
 	$xml = fetch_url($url);
 	if (! $xml)
 		return array();
+
+	logger('fetch_xrd_links: ' . $xml, LOGGER_DATA);
 	$h = simplexml_load_string($xml);
 	$arr = convert_xml_element_to_array($h);
 
@@ -1023,13 +1153,6 @@ function photo_new_resource() {
 }}
 
 
-// Returns logged in user ID
-
-if(! function_exists('get_uid')) {
-function get_uid() {
-	return local_user();
-}}
-
 // Take a URL from the wild, prepend http:// if necessary
 // and check DNS to see if it's real
 // return true if it's OK, false if something is wrong with it
@@ -1040,13 +1163,25 @@ function validate_url(&$url) {
 		$url = 'http://' . $url;
 	$h = parse_url($url);
 
-	if(! $h) {
-		return false;
+	if(($h) && (checkdnsrr($h['host'], 'ANY'))) {
+		return true;
 	}
-	if(! checkdnsrr($h['host'], 'ANY')) {
+	return false;
+}}
+
+// checks that email is an actual resolvable internet address
+
+if(! function_exists('validate_email')) {
+function validate_email($addr) {
+
+	if(! strpos($addr,'@'))
 		return false;
+	$h = substr($addr,strpos($addr,'@') + 1);
+
+	if(($h) && (checkdnsrr($h, 'ANY'))) {
+		return true;
 	}
-	return true;
+	return false;
 }}
 
 // Check $url against our list of allowed sites,
@@ -1134,6 +1269,7 @@ function allowed_email($email) {
 
 if(! function_exists('format_like')) {
 function format_like($cnt,$arr,$type,$id) {
+	$o = '';
 	if($cnt == 1)
 		$o .= $arr[0] . (($type === 'like') ? t(' likes this.') : t(' doesn\'t like this.')) . EOL ;
 	else {
@@ -1148,7 +1284,7 @@ function format_like($cnt,$arr,$type,$id) {
 		if($total >= MAX_LIKERS)
 			$str .= t(', and ') . $total - MAX_LIKERS . t(' other people');
 		$str .= (($type === 'like') ? t(' like this.') : t(' don\'t like this.'));
-		$o .= '<div id="' . $type . 'list-' . $id . '" style="display: none;" >' . $str . '</div>';
+		$o .= "\t" . '<div id="' . $type . 'list-' . $id . '" style="display: none;" >' . $str . '</div>';
 	}
 	return $o;
 }}
@@ -1162,7 +1298,197 @@ function load_view_file($s) {
 	$b = basename($s);
 	$d = dirname($s);
 	$lang = get_config('system','language');
-	if($lang && file_exists("$d/$lang/$b"))
+	if($lang === false)
+		$lang = 'en';
+	if(file_exists("$d/$lang/$b"))
 		return file_get_contents("$d/$lang/$b");
 	return file_get_contents($s);
-}}
\ No newline at end of file
+}}
+
+// for html,xml parsing - let's say you've got
+// an attribute foobar="class1 class2 class3"
+// and you want to find out if it contains 'class3'.
+// you can't use a normal sub string search because you
+// might match 'notclass3' and a regex to do the job is 
+// possible but a bit complicated. 
+// pass the attribute string as $attr and the attribute you 
+// are looking for as $s - returns true if found, otherwise false
+
+if(! function_exists('attribute_contains')) {
+function attribute_contains($attr,$s) {
+	$a = explode(' ', $attr);
+	if(count($a) && in_array($s,$a))
+		return true;
+	return false;
+}}
+
+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');
+
+	if((! $debugging) || (! $logfile) || ($level > $loglevel))
+		return;
+	
+	@file_put_contents($logfile, datetime_convert() . ':' . session_id() . ' ' . $msg . "\n", FILE_APPEND);
+	return;
+}}
+
+
+if(! function_exists('activity_match')) {
+function activity_match($haystack,$needle) {
+	if(($haystack === $needle) || ((basename($needle) === $haystack) && strstr($needle,NAMESPACE_ACTIVITY_SCHEMA)))
+		return true;
+	return false;
+}}
+
+
+// Pull out all #hashtags and @person tags from $s;
+// We also get @person@domain.com - which would make 
+// the regex quite complicated as tags can also
+// end a sentence. So we'll run through our results
+// and strip the period from any tags which end with one.
+// Returns array of tags found, or empty array.
+
+
+if(! function_exists('get_tags')) {
+function get_tags($s) {
+	$ret = array();
+	if(preg_match_all('/([@#][^ ,:?]*)([ ,:?]|$)/',$s,$match)) {
+		foreach($match[1] as $match) {
+			if(substr($match,-1,1) === '.')
+				$ret[] = substr($match,0,-1);
+			else
+				$ret[] = $match;
+		}
+	}
+
+	return $ret;
+}}
+
+
+// quick and dirty quoted_printable encoding
+
+if(! function_exists('qp')) {
+function qp($s) {
+return str_replace ("%","=",rawurlencode($s));
+}} 
+
+
+if(! function_exists('like_puller')) {
+function like_puller($a,$item,&$arr,$mode) {
+
+	$url = '';
+	$sparkle = '';
+	$verb = (($mode === 'like') ? ACTIVITY_LIKE : ACTIVITY_DISLIKE);
+
+	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'])) {
+			$url = $a->get_baseurl() . '/redir/' . $item['contact-id'];
+			$sparkle = ' class="sparkle" ';
+		}
+		if(! ((isset($arr[$item['parent'] . '-l'])) && (is_array($arr[$item['parent'] . '-l']))))
+			$arr[$item['parent'] . '-l'] = array();
+		if(! isset($arr[$item['parent']]))
+			$arr[$item['parent']] = 1;
+		else	
+			$arr[$item['parent']] ++;
+		$arr[$item['parent'] . '-l'][] = '<a href="'. $url . '"'. $sparkle .'>' . $item['author-name'] . '</a>';
+	}
+	return;
+}}
+
+if(! function_exists('get_mentions')) {
+function get_mentions($item) {
+	$o = '';
+	if(! strlen($item['tag']))
+		return $o;
+
+	$arr = explode(',',$item['tag']);
+	foreach($arr as $x) {
+		$matches = null;
+		if(preg_match('/@\[url=([^\]]*)\]/',$x,$matches))
+			$o .= "\t\t" . '<link rel="mentioned" href="' . $matches[1] . '" />' . "\r\n";
+	}
+	return $o;
+}}
+
+if(! function_exists('contact_block')) {
+function contact_block() {
+	$o = '';
+	$a = get_app();
+	if((! is_array($a->profile)) || ($a->profile['hide-friends']))
+		return $o;
+	$r = q("SELECT COUNT(*) AS `total` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0",
+			intval($a->profile['uid'])
+	);
+	if(count($r)) {
+		$total = intval($r[0]['total']);
+	}
+	if(! $total) {
+		$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'])
+	);
+	if(count($r)) {
+		$o .= '<h4 class="contact-h4">' . $total . ' ' . t('Contacts') . '</h4><div id="contact-block">';
+		foreach($r as $rr) {
+			$redirect_url = $a->get_baseurl() . '/redir/' . $rr['id'];
+			if(local_user() && ($rr['uid'] == local_user())
+				&& ($rr['network'] === 'dfrn')) {
+				$url = $redirect_url;
+				$sparkle = ' sparkle';
+			}
+			else {
+				$url = $rr['url'];
+				$sparkle = '';
+			}
+
+			$o .= '<div class="contact-block-div"><a class="contact-block-link' . $sparkle . '" href="' . $url . '" ><img class="contact-block-img' . $sparkle . '" src="' . $rr['micro'] . '" title="' . $rr['name'] . ' [' . $rr['url'] . ']" alt="' . $rr['name'] . '" /></a></div>' . "\r\n";
+		}
+		$o .= '</div><div id="contact-block-end"></div>';
+		$o .=  '<div id="viewcontacts"><a id="viewcontacts-link" href="viewcontacts/' . $a->profile['nickname'] . '">' . t('View Contacts') . '</a></div>';
+		
+	}
+	return $o;
+
+}}
+
+if(! function_exists('search')) {
+function search($s) {
+	$a = get_app();
+	$o  = '<div id="search-box">';
+	$o .= '<form action="' . $a->get_baseurl() . '/search' . '" method="get" >';
+	$o .= '<input type="text" name="search" id="search-text" value="' . $s .'" />';
+	$o .= '<input type="submit" name="submit" id="search-submit" value="' . t('Search') . '" />'; 
+	$o .= '</form></div>';
+	return $o;
+}}
+
+if(! function_exists('valid_email')) {
+function valid_email($x){
+	if(preg_match('/^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+$/',$x))
+		return true;
+	return false;
+}}
+
+
+if(! function_exists('gravatar_img')) {
+function gravatar_img($email) {
+	$size = 175;
+	$opt = 'identicon';   // psuedo-random geometric pattern if not found
+	$rating = 'pg';
+	$hash = md5(trim(strtolower($email)));
+	
+	$url = 'http://www.gravatar.com/avatar/' . $hash . '.jpg' 
+		. '?s=' . $size . '&d=' . $opt . '&r=' . $rating;
+
+	logger('gravatar: ' . $email . ' ' . $url);
+	return $url;
+}}
+