2987 lines
		
	
	
	
		
			80 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			2987 lines
		
	
	
	
		
			80 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
 | |
| 
 | |
| define ( 'FRIENDIKA_VERSION',      '2.2.1056' );
 | |
| define ( 'DFRN_PROTOCOL_VERSION',  '2.21'    );
 | |
| define ( 'DB_UPDATE_VERSION',      1076      );
 | |
| 
 | |
| define ( 'EOL',                    "<br />\r\n"     );
 | |
| define ( 'ATOM_TIME',              'Y-m-d\TH:i:s\Z' );
 | |
| define ( 'DOWN_ARROW',             '⇩'       );
 | |
| 
 | |
| /**
 | |
|  *
 | |
|  * Image storage quality. Lower numbers save space at cost of image detail.
 | |
|  * For ease of upgrade, please do not change here. Change jpeg quality with 
 | |
|  * set_config('system','jpeg_quality',n) in .htconfig.php
 | |
|  * where n is netween 1 and 100, and with very poor results below about 50 
 | |
|  *
 | |
|  */
 | |
| 
 | |
| define ( 'JPEG_QUALITY',            100  );         
 | |
| 
 | |
| /**
 | |
|  * 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 );
 | |
| define ( 'LOGGER_DEBUG',           2 );
 | |
| define ( 'LOGGER_DATA',            3 );
 | |
| define ( 'LOGGER_ALL',             4 );
 | |
| 
 | |
| /**
 | |
|  * registration policies
 | |
|  */
 | |
| 
 | |
| define ( 'REGISTER_CLOSED',        0 );
 | |
| define ( 'REGISTER_APPROVE',       1 );
 | |
| define ( 'REGISTER_OPEN',          2 );
 | |
| 
 | |
| /**
 | |
|  * relationship types
 | |
|  * When used in contact records, this indicates that 'uid' has 
 | |
|  * this relationship with contact['name']
 | |
|  */
 | |
| 
 | |
| define ( 'REL_VIP',        1);     // other person is 'following' us
 | |
| define ( 'REL_FAN',        2);     // we are 'following' other person
 | |
| define ( 'REL_BUD',        3);     // mutual relationship
 | |
| 
 | |
| /**
 | |
|  * 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 );
 | |
| 
 | |
| /**
 | |
|  * Network and protocol family types 
 | |
|  */
 | |
| 
 | |
| define ( 'NETWORK_ZOT',              'zot!');    // Zot!
 | |
| define ( 'NETWORK_DFRN',             'dfrn');    // Friendika, Mistpark, other DFRN implementations
 | |
| define ( 'NETWORK_OSTATUS',          'stat');    // status.net, identi.ca, GNU-social, other OStatus implementations
 | |
| define ( 'NETWORK_FEED',             'feed');    // RSS/Atom feeds with no known "post/notify" protocol
 | |
| define ( 'NETWORK_DIASPORA',         'dspr');    // Diaspora
 | |
| define ( 'NETWORK_MAIL',             'mail');    // IMAP/POP
 | |
| define ( 'NETWORK_FACEBOOK',         'face');    // Facebook API     
 | |
| 
 | |
| 
 | |
| /**
 | |
|  * Maximum number of "people who like (or don't like) this"  that we will list by name
 | |
|  */
 | |
| 
 | |
| define ( 'MAX_LIKERS',    75);
 | |
| 
 | |
| /**
 | |
|  * Communication timeout
 | |
|  */
 | |
| 
 | |
| define ( 'ZCURL_TIMEOUT' , (-1));
 | |
| 
 | |
| 
 | |
| /**
 | |
|  * email notification options
 | |
|  */
 | |
| 
 | |
| define ( 'NOTIFY_INTRO',   0x0001 );
 | |
| define ( 'NOTIFY_CONFIRM', 0x0002 );
 | |
| define ( 'NOTIFY_WALL',    0x0004 );
 | |
| define ( 'NOTIFY_COMMENT', 0x0008 );
 | |
| define ( 'NOTIFY_MAIL',    0x0010 );
 | |
| 
 | |
| /**
 | |
|  * various namespaces we may need to parse
 | |
|  */
 | |
| 
 | |
| define ( 'NAMESPACE_ZOT',             'http://purl.org/macgirvin/zot' );
 | |
| 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_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' );
 | |
| define ( 'NAMESPACE_OSTATUS',         'http://ostatus.org/schema/1.0' );
 | |
| define ( 'NAMESPACE_STATUSNET',       'http://status.net/schema/api/1/' );
 | |
| define ( 'NAMESPACE_ATOM1',           'http://www.w3.org/2005/Atom' );
 | |
| /**
 | |
|  * activity stream defines
 | |
|  */
 | |
| 
 | |
| define ( 'ACTIVITY_LIKE',        NAMESPACE_ACTIVITY_SCHEMA . 'like' );
 | |
| 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 . 'stop-following' );
 | |
| 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' );
 | |
| define ( 'ACTIVITY_OBJ_PERSON',  NAMESPACE_ACTIVITY_SCHEMA . 'person' );
 | |
| 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' );
 | |
| define ( 'ACTIVITY_OBJ_EVENT',   NAMESPACE_ACTIVITY_SCHEMA . 'event' );
 | |
| 
 | |
| /**
 | |
|  * item weight for query ordering
 | |
|  */
 | |
| 
 | |
| define ( 'GRAVITY_PARENT',       0);
 | |
| define ( 'GRAVITY_LIKE',         3);
 | |
| define ( 'GRAVITY_COMMENT',      6);
 | |
| 
 | |
| /**
 | |
|  *
 | |
|  * 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
 | |
|  *
 | |
|  */
 | |
| 
 | |
| function startup() {
 | |
| 	error_reporting(E_ERROR | E_WARNING | E_PARSE);
 | |
| 	set_time_limit(0);
 | |
| 	ini_set('pcre.backtrack_limit', 250000);
 | |
| 
 | |
| 
 | |
| 	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);
 | |
| 	}
 | |
| 
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * translation system
 | |
|  */
 | |
| require_once("include/pgettext.php");
 | |
| 
 | |
| 
 | |
| /**
 | |
|  *
 | |
|  * 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;
 | |
| 	public  $user;
 | |
| 	public  $cid;
 | |
| 	public  $contact;
 | |
| 	public  $contacts;
 | |
| 	public  $page_contact;
 | |
| 	public  $content;
 | |
| 	public  $data;
 | |
| 	public  $error = false;
 | |
| 	public  $cmd;
 | |
| 	public  $argv;
 | |
| 	public  $argc;
 | |
| 	public  $module;
 | |
| 	public  $pager;
 | |
| 	public  $strings;   
 | |
| 	public  $path;
 | |
| 	public  $hooks;
 | |
| 	public  $timezone;
 | |
| 	public  $interactive = true;
 | |
| 	public  $plugins;
 | |
| 	public  $apps;
 | |
| 	public  $identities;
 | |
| 
 | |
| 	private $scheme;
 | |
| 	private $hostname;
 | |
| 	private $baseurl;
 | |
| 	private $db;
 | |
| 
 | |
| 	private $curl_code;
 | |
| 	private $curl_headers;
 | |
| 
 | |
| 	function __construct() {
 | |
| 
 | |
| 		$this->config = array();
 | |
| 		$this->page = array();
 | |
| 		$this->pager= array();
 | |
| 
 | |
| 		$this->query_string = '';
 | |
| 
 | |
| 		startup();
 | |
| 
 | |
| 		$this->scheme = ((isset($_SERVER['HTTPS']) && ($_SERVER['HTTPS']))	?  'https' : 'http' );
 | |
| 
 | |
| 		if(x($_SERVER,'SERVER_NAME')) {
 | |
| 			$this->hostname = $_SERVER['SERVER_NAME'];
 | |
| 			if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
 | |
| 				$this->hostname .= ':' . $_SERVER['SERVER_PORT'];
 | |
| 			/** 
 | |
| 			 * 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=")
 | |
| 			$this->query_string = substr($_SERVER['QUERY_STRING'],2);
 | |
| 		if(x($_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])) {
 | |
| 			$this->module = str_replace(".", "_", $this->argv[0]);
 | |
| 		}
 | |
| 		else {
 | |
| 			$this->argc = 1;
 | |
| 			$this->argv = array('home');
 | |
| 			$this->module = 'home';
 | |
| 		}
 | |
| 
 | |
| 		/**
 | |
| 		 * Special handling for the webfinger/lrdd host XRD file
 | |
| 		 * Just spit out the contents and exit.
 | |
| 		 */
 | |
| 
 | |
| 		if($this->cmd === '.well-known/host-meta') {
 | |
| 			require_once('include/hostxrd.php');
 | |
| 			hostxrd($this->get_baseurl());
 | |
| 			// 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;
 | |
| 		$this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 | |
| 		$this->pager['total'] = 0;
 | |
| 	}
 | |
| 
 | |
| 	function get_baseurl($ssl = false) {
 | |
| 
 | |
| 		$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 = $url;
 | |
| 
 | |
| 		if($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() {
 | |
| 		return $this->hostname;
 | |
| 	}
 | |
| 
 | |
| 	function set_hostname($h) {
 | |
| 		$this->hostname = $h;
 | |
| 	}
 | |
| 
 | |
| 	function set_path($p) {
 | |
| 		$this->path = trim(trim($p),'/');
 | |
| 	} 
 | |
| 
 | |
| 	function get_path() {
 | |
| 		return $this->path;
 | |
| 	}
 | |
| 
 | |
| 	function set_pager_total($n) {
 | |
| 		$this->pager['total'] = intval($n);
 | |
| 	}
 | |
| 
 | |
| 	function set_pager_itemspage($n) {
 | |
| 		$this->pager['itemspage'] = intval($n);
 | |
| 		$this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 | |
| 
 | |
| 	} 
 | |
| 
 | |
| 	function init_pagehead() {
 | |
| 		$this->page['title'] = $this->config['sitename'];
 | |
| 		$tpl = file_get_contents('view/head.tpl');
 | |
| 		$this->page['htmlhead'] = replace_macros($tpl,array(
 | |
| 			'$baseurl' => $this->get_baseurl(),
 | |
| 			'$generator' => 'Friendika' . ' ' . FRIENDIKA_VERSION,
 | |
| 			'$delitem' => t('Delete this item?'),
 | |
| 			'$comment' => t('Comment')
 | |
| 		));
 | |
| 	}
 | |
| 
 | |
| 	function set_curl_code($code) {
 | |
| 		$this->curl_code = $code;
 | |
| 	}
 | |
| 
 | |
| 	function get_curl_code() {
 | |
| 		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
 | |
| // useful in functions which require it but don't get it passed to them
 | |
| 
 | |
| if(! function_exists('get_app')) {
 | |
| function get_app() {
 | |
| 	global $a;
 | |
| 	return $a;
 | |
| }};
 | |
| 
 | |
| 
 | |
| // Multi-purpose function to check variable state.
 | |
| // Usage: x($var) or $x($array,'key')
 | |
| // returns false if variable/key is not set
 | |
| // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
 | |
| // e.g. x('') or x(0) returns 0;
 | |
| 
 | |
| if(! function_exists('x')) {
 | |
| function x($s,$k = NULL) {
 | |
| 	if($k != NULL) {
 | |
| 		if((is_array($s)) && (array_key_exists($k,$s))) {
 | |
| 			if($s[$k])
 | |
| 				return (int) 1;
 | |
| 			return (int) 0;
 | |
| 		}
 | |
| 		return false;
 | |
| 	}
 | |
| 	else {		
 | |
| 		if(isset($s)) {
 | |
| 			if($s) {
 | |
| 				return (int) 1;
 | |
| 			}
 | |
| 			return (int) 0;
 | |
| 		}
 | |
| 		return false;
 | |
| 	}
 | |
| }}
 | |
| 
 | |
| // called from db initialisation if db is dead.
 | |
| 
 | |
| if(! function_exists('system_unavailable')) {
 | |
| function system_unavailable() {
 | |
| 	include('system_unavailable.php');
 | |
| 	system_down();
 | |
| 	killme();
 | |
| }}
 | |
| 
 | |
| 
 | |
| // install and uninstall plugin
 | |
| if (! function_exists('uninstall_plugin')){
 | |
| function uninstall_plugin($plugin){
 | |
| 	logger("Addons: uninstalling " . $plugin);
 | |
| 	q("DELETE FROM `addon` WHERE `name` = '%s' LIMIT 1",
 | |
| 		dbesc($plugin)
 | |
| 	);
 | |
| 
 | |
| 	@include_once('addon/' . $plugin . '/' . $plugin . '.php');
 | |
| 	if(function_exists($plugin . '_uninstall')) {
 | |
| 		$func = $plugin . '_uninstall';
 | |
| 		$func();
 | |
| 	}
 | |
| }}
 | |
| 
 | |
| if (! function_exists('install_plugin')){
 | |
| function install_plugin($plugin){
 | |
| 	logger("Addons: installing " . $plugin);
 | |
| 	$t = filemtime('addon/' . $plugin . '/' . $plugin . '.php');
 | |
| 	@include_once('addon/' . $plugin . '/' . $plugin . '.php');
 | |
| 	if(function_exists($plugin . '_install')) {
 | |
| 		$func = $plugin . '_install';
 | |
| 		$func();
 | |
| 		
 | |
| 		$plugin_admin = (function_exists($plugin."_plugin_admin")?1:0);
 | |
| 		
 | |
| 		$r = q("INSERT INTO `addon` (`name`, `installed`, `timestamp`, `plugin_admin`) VALUES ( '%s', 1, %d , %d ) ",
 | |
| 			dbesc($plugin),
 | |
| 			intval($t),
 | |
| 			$plugin_admin
 | |
| 		);
 | |
| 	}
 | |
| }}
 | |
| 
 | |
| // Primarily involved with database upgrade, but also sets the 
 | |
| // base url for use in cmdline programs which don't have
 | |
| // $_SERVER variables, and synchronising the state of installed plugins.
 | |
| 
 | |
| 
 | |
| if(! function_exists('check_config')) {
 | |
| function check_config(&$a) {
 | |
| 
 | |
| 	$build = get_config('system','build');
 | |
| 	if(! x($build))
 | |
| 		$build = set_config('system','build',DB_UPDATE_VERSION);
 | |
| 
 | |
| 	$url = get_config('system','url');
 | |
| 
 | |
| 	// if the url isn't set or the stored url is radically different 
 | |
| 	// than the currently visited url, store the current value accordingly.
 | |
| 	// "Radically different" ignores common variations such as http vs https 
 | |
| 	// and www.example.com vs example.com.
 | |
| 
 | |
| 	if((! x($url)) || (! link_compare($url,$a->get_baseurl())))
 | |
| 		$url = set_config('system','url',$a->get_baseurl());
 | |
| 
 | |
| 	if($build != DB_UPDATE_VERSION) {
 | |
| 		$stored = intval($build);
 | |
| 		$current = intval(DB_UPDATE_VERSION);
 | |
| 		if(($stored < $current) && file_exists('update.php')) {
 | |
| 
 | |
| 			// We're reporting a different version than what is currently installed.
 | |
| 			// Run any existing update scripts to bring the database up to current.
 | |
| 
 | |
| 			require_once('update.php');
 | |
| 
 | |
| 			// make sure that boot.php and update.php are the same release, we might be
 | |
| 			// updating right this very second and the correct version of the update.php
 | |
| 			// file may not be here yet. This can happen on a very busy site.
 | |
| 
 | |
| 			if(DB_UPDATE_VERSION == UPDATE_VERSION) {
 | |
| 
 | |
| 				for($x = $stored; $x < $current; $x ++) {
 | |
| 					if(function_exists('update_' . $x)) {
 | |
| 						$func = 'update_' . $x;
 | |
| 						$func($a);
 | |
| 					}
 | |
| 				}
 | |
| 				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'],$plugins_arr)) {
 | |
| 				uninstall_plugin($i['name']);
 | |
| 			}
 | |
| 			else
 | |
| 				$installed_arr[] = $i['name'];
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if(count($plugins_arr)) {
 | |
| 		foreach($plugins_arr as $p) {
 | |
| 			if(! in_array($p,$installed_arr)) {
 | |
| 				install_plugin($p);
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 
 | |
| 	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.
 | |
| // $r is an array of key value pairs (search => replace)
 | |
| // returns substituted string.
 | |
| // WARNING: this is pretty basic, and doesn't properly handle search strings that are substrings of each other.
 | |
| // For instance if 'test' => "foo" and 'testing' => "bar", testing could become either bar or fooing, 
 | |
| // depending on the order in which they were declared in the array.   
 | |
| 
 | |
| require_once("include/template_processor.php");
 | |
| 
 | |
| if(! function_exists('replace_macros')) {  
 | |
| function replace_macros($s,$r) {
 | |
| 	global $t;
 | |
| 	
 | |
| 	return $t->replace($s,$r);
 | |
| 
 | |
| }}
 | |
| 
 | |
| 
 | |
| // curl wrapper. If binary flag is true, return binary
 | |
| // results. 
 | |
| 
 | |
| if(! function_exists('fetch_url')) {
 | |
| function fetch_url($url,$binary = false, &$redirects = 0) {
 | |
| 
 | |
| 	$a = get_app();
 | |
| 
 | |
| 	$ch = curl_init($url);
 | |
| 	if(($redirects > 8) || (! $ch)) 
 | |
| 		return false;
 | |
| 
 | |
| 	curl_setopt($ch, CURLOPT_HEADER, true);
 | |
| 	curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
 | |
| 	curl_setopt($ch, CURLOPT_USERAGENT, "Friendika");
 | |
| 
 | |
| 	$curl_time = intval(get_config('system','curl_timeout'));
 | |
| 	curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
 | |
| 
 | |
| 	// by default we will allow self-signed certs
 | |
| 	// but you can override this
 | |
| 
 | |
| 	$check_cert = get_config('system','verifyssl');
 | |
| 	curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
 | |
| 
 | |
| 	$prx = get_config('system','proxy');
 | |
| 	if(strlen($prx)) {
 | |
| 		curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
 | |
| 		curl_setopt($ch, CURLOPT_PROXY, $prx);
 | |
| 		$prxusr = get_config('system','proxyuser');
 | |
| 		if(strlen($prxusr))
 | |
| 			curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
 | |
| 	}
 | |
| 	if($binary)
 | |
| 		curl_setopt($ch, CURLOPT_BINARYTRANSFER,1);
 | |
| 
 | |
| 	$a->set_curl_code(0);
 | |
| 
 | |
| 	// don't let curl abort the entire application
 | |
| 	// if it throws any errors.
 | |
| 
 | |
| 	$s = @curl_exec($ch);
 | |
| 
 | |
| 	$base = $s;
 | |
| 	$curl_info = curl_getinfo($ch);
 | |
| 	$http_code = $curl_info['http_code'];
 | |
| 
 | |
| 	$header = '';
 | |
| 
 | |
| 	// Pull out multiple headers, e.g. proxy and continuation headers
 | |
| 	// allow for HTTP/2.x without fixing code
 | |
| 
 | |
| 	while(preg_match('/^HTTP\/[1-2].+? [1-5][0-9][0-9]/',$base)) {
 | |
| 		$chunk = substr($base,0,strpos($base,"\r\n\r\n")+4);
 | |
| 		$header .= $chunk;
 | |
| 		$base = substr($base,strlen($chunk));
 | |
| 	}
 | |
| 
 | |
| 	if($http_code == 301 || $http_code == 302 || $http_code == 303 || $http_code == 307) {
 | |
|         $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);
 | |
|         }
 | |
|     }
 | |
| 
 | |
| 	$a->set_curl_code($http_code);
 | |
| 
 | |
| 	$body = substr($s,strlen($header));
 | |
| 
 | |
| 	$a->set_curl_headers($header);
 | |
| 
 | |
| 	curl_close($ch);
 | |
| 	return($body);
 | |
| }}
 | |
| 
 | |
| // post request to $url. $params is an array of post variables.
 | |
| 
 | |
| if(! function_exists('post_url')) {
 | |
| function post_url($url,$params, $headers = null, &$redirects = 0) {
 | |
| 	$a = get_app();
 | |
| 	$ch = curl_init($url);
 | |
| 	if(($redirects > 8) || (! $ch)) 
 | |
| 		return false;
 | |
| 
 | |
| 	curl_setopt($ch, CURLOPT_HEADER, true);
 | |
| 	curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
 | |
| 	curl_setopt($ch, CURLOPT_POST,1);
 | |
| 	curl_setopt($ch, CURLOPT_POSTFIELDS,$params);
 | |
| 	curl_setopt($ch, CURLOPT_USERAGENT, "Friendika");
 | |
| 
 | |
| 	$curl_time = intval(get_config('system','curl_timeout'));
 | |
| 	curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
 | |
| 
 | |
| 	if(defined('LIGHTTPD')) {
 | |
| 		if(!is_array($headers)) {
 | |
| 			$headers = array('Expect:');
 | |
| 		} else {
 | |
| 			if(!in_array('Expect:', $headers)) {
 | |
| 				array_push($headers, 'Expect:');
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 	if($headers)
 | |
| 		curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
 | |
| 
 | |
| 	$check_cert = get_config('system','verifyssl');
 | |
| 	curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
 | |
| 	$prx = get_config('system','proxy');
 | |
| 	if(strlen($prx)) {
 | |
| 		curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
 | |
| 		curl_setopt($ch, CURLOPT_PROXY, $prx);
 | |
| 		$prxusr = get_config('system','proxyuser');
 | |
| 		if(strlen($prxusr))
 | |
| 			curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
 | |
| 	}
 | |
| 
 | |
| 	$a->set_curl_code(0);
 | |
| 
 | |
| 	// don't let curl abort the entire application
 | |
| 	// if it throws any errors.
 | |
| 
 | |
| 	$s = @curl_exec($ch);
 | |
| 
 | |
| 	$base = $s;
 | |
| 	$curl_info = curl_getinfo($ch);
 | |
| 	$http_code = $curl_info['http_code'];
 | |
| 
 | |
| 	$header = '';
 | |
| 
 | |
| 	// Pull out multiple headers, e.g. proxy and continuation headers
 | |
| 	// allow for HTTP/2.x without fixing code
 | |
| 
 | |
| 	while(preg_match('/^HTTP\/[1-2].+? [1-5][0-9][0-9]/',$base)) {
 | |
| 		$chunk = substr($base,0,strpos($base,"\r\n\r\n")+4);
 | |
| 		$header .= $chunk;
 | |
| 		$base = substr($base,strlen($chunk));
 | |
| 	}
 | |
| 
 | |
| 	if($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);
 | |
|         }
 | |
|     }
 | |
| 	$a->set_curl_code($http_code);
 | |
| 	$body = substr($s,strlen($header));
 | |
| 
 | |
| 	$a->set_curl_headers($header);
 | |
| 
 | |
| 	curl_close($ch);
 | |
| 	return($body);
 | |
| }}
 | |
| 
 | |
| // random hash, 64 chars
 | |
| 
 | |
| if(! function_exists('random_string')) {
 | |
| 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 (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) {
 | |
| 
 | |
| 	return(str_replace(array("<",">"), array('[',']'), $string));
 | |
| 
 | |
| //  High-bit filter no longer used
 | |
| //	return(str_replace(array("<",">","\xBA","\xBC","\xBE"), array('[',']','','',''), $string));
 | |
| }}
 | |
| 
 | |
| // use this on "body" or "content" input where angle chars shouldn't be removed,
 | |
| // and allow them to be safely displayed.
 | |
| 
 | |
| if(! function_exists('escape_tags')) {
 | |
| function escape_tags($string) {
 | |
| 
 | |
| 	return(htmlspecialchars($string));
 | |
| }}
 | |
| 
 | |
| // wrapper for adding a login box. If $register == true provide a registration
 | |
| // link. This will most always depend on the value of $a->config['register_policy'].
 | |
| // returns the complete html for inserting into the page
 | |
| 
 | |
| if(! function_exists('login')) {
 | |
| function login($register = false) {
 | |
| 	$o = "";
 | |
| 	$register_tpl = (($register) ? get_markup_template("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(local_user()) {
 | |
| 		$tpl = get_markup_template("logout.tpl");
 | |
| 	}
 | |
| 	else {
 | |
| 		$tpl = get_markup_template("login.tpl");
 | |
| 
 | |
| 	}
 | |
| 
 | |
| 	$o = '<script type="text/javascript"> $(document).ready(function() { $("#login-name").focus();} );</script>';	
 | |
| 
 | |
| 	$o .= replace_macros($tpl,array(
 | |
| 		'$logout'        => t('Logout'),
 | |
| 		'$register_html' => $register_html, 
 | |
| 		'$classname'     => $classname,
 | |
| 		'$namelabel'     => $namelabel,
 | |
| 		'$passlabel'     => $passlabel,
 | |
| 		'$login'         => $login,
 | |
| 		'$lostpass'      => $lostpass,
 | |
| 		'$lostlink'      => $lostlink 
 | |
| 	));
 | |
| 
 | |
| 	return $o;
 | |
| }}
 | |
| 
 | |
| // generate a string that's random, but usually pronounceable. 
 | |
| // used to generate initial passwords
 | |
| 
 | |
| if(! function_exists('autoname')) {
 | |
| function autoname($len) {
 | |
| 
 | |
| 	$vowels = array('a','a','ai','au','e','e','e','ee','ea','i','ie','o','ou','u'); 
 | |
| 	if(mt_rand(0,5) == 4)
 | |
| 		$vowels[] = 'y';
 | |
| 
 | |
| 	$cons = array(
 | |
| 			'b','bl','br',
 | |
| 			'c','ch','cl','cr',
 | |
| 			'd','dr',
 | |
| 			'f','fl','fr',
 | |
| 			'g','gh','gl','gr',
 | |
| 			'h',
 | |
| 			'j',
 | |
| 			'k','kh','kl','kr',
 | |
| 			'l',
 | |
| 			'm',
 | |
| 			'n',
 | |
| 			'p','ph','pl','pr',
 | |
| 			'qu',
 | |
| 			'r','rh',
 | |
| 			's','sc','sh','sm','sp','st',
 | |
| 			't','th','tr',
 | |
| 			'v',
 | |
| 			'w','wh',
 | |
| 			'x',
 | |
| 			'z','zh'
 | |
| 			);
 | |
| 
 | |
| 	$midcons = array('ck','ct','gn','ld','lf','lm','lt','mb','mm', 'mn','mp',
 | |
| 				'nd','ng','nk','nt','rn','rp','rt');
 | |
| 
 | |
| 	$noend = array('bl', 'br', 'cl','cr','dr','fl','fr','gl','gr',
 | |
| 				'kh', 'kl','kr','mn','pl','pr','rh','tr','qu','wh');
 | |
| 
 | |
| 	$start = mt_rand(0,2);
 | |
|   	if($start == 0)
 | |
|     		$table = $vowels;
 | |
|   	else
 | |
|     		$table = $cons;
 | |
| 
 | |
| 	$word = '';
 | |
| 
 | |
| 	for ($x = 0; $x < $len; $x ++) {
 | |
|   		$r = mt_rand(0,count($table) - 1);
 | |
|   		$word .= $table[$r];
 | |
|   
 | |
|   		if($table == $vowels)
 | |
|     			$table = array_merge($cons,$midcons);
 | |
|   		else
 | |
|     			$table = $vowels;
 | |
| 
 | |
| 	}
 | |
| 
 | |
| 	$word = substr($word,0,$len);
 | |
| 
 | |
| 	foreach($noend as $noe) {
 | |
|   		if((strlen($word) > 2) && (substr($word,-2) == $noe)) {
 | |
|     			$word = substr($word,0,-1);
 | |
|     			break;
 | |
|   		}
 | |
| 	}
 | |
| 	if(substr($word,-1) == 'q')
 | |
| 		$word = substr($word,0,-1);    
 | |
| 	return $word;
 | |
| }}
 | |
| 
 | |
| // Used to end the current process, after saving session state. 
 | |
| 
 | |
| if(! function_exists('killme')) {
 | |
| function killme() {
 | |
| 	session_write_close();
 | |
| 	exit;
 | |
| }}
 | |
| 
 | |
| // redirect to another URL and terminate this process.
 | |
| 
 | |
| if(! function_exists('goaway')) {
 | |
| function goaway($s) {
 | |
| 	header("Location: $s");
 | |
| 	killme();
 | |
| }}
 | |
| 
 | |
| // Generic XML return
 | |
| // Outputs a basic dfrn XML status structure to STDOUT, with a <status> variable 
 | |
| // of $st and an optional text <message> of $message and terminates the current process. 
 | |
| 
 | |
| if(! function_exists('xml_status')) {
 | |
| function xml_status($st, $message = '') {
 | |
| 
 | |
| 	$xml_message = ((strlen($message)) ? "\t<message>" . xmlify($message) . "</message>\r\n" : '');
 | |
| 
 | |
| 	if($st)
 | |
| 		logger('xml_status returning non_zero: ' . $st . " message=" . $message);
 | |
| 
 | |
| 	header( "Content-type: text/xml" );
 | |
| 	echo '<?xml version="1.0" encoding="UTF-8"?>'."\r\n";
 | |
| 	echo "<result>\r\n\t<status>$st</status>\r\n$xml_message</result>\r\n";
 | |
| 	killme();
 | |
| }}
 | |
| 
 | |
| // Returns the uid of locally logged in user or false.
 | |
| 
 | |
| if(! function_exists('local_user')) {
 | |
| function local_user() {
 | |
| 	if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
 | |
| 		return intval($_SESSION['uid']);
 | |
| 	return false;
 | |
| }}
 | |
| 
 | |
| // Returns contact id of authenticated site visitor or false
 | |
| 
 | |
| if(! function_exists('remote_user')) {
 | |
| function remote_user() {
 | |
| 	if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
 | |
| 		return intval($_SESSION['visitor_id']);
 | |
| 	return false;
 | |
| }}
 | |
| 
 | |
| // contents of $s are displayed prominently on the page the next time
 | |
| // a page is loaded. Usually used for errors or alerts.
 | |
| 
 | |
| if(! function_exists('notice')) {
 | |
| function notice($s) {
 | |
| 	$a = get_app();
 | |
| 	if($a->interactive)
 | |
| 		$_SESSION['sysmsg'] .= $s;
 | |
| }}
 | |
| if(! function_exists('info')) {
 | |
| function info($s) {
 | |
| 	$a = get_app();
 | |
| 	if($a->interactive)
 | |
| 		$_SESSION['sysmsg_info'] .= $s;
 | |
| }}
 | |
| 
 | |
| 
 | |
| // wrapper around config to limit the text length of an incoming message
 | |
| 
 | |
| if(! function_exists('get_max_import_size')) {
 | |
| function get_max_import_size() {
 | |
| 	global $a;
 | |
| 	return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
 | |
| }}
 | |
| 
 | |
| 
 | |
| // escape text ($str) for XML transport
 | |
| // returns escaped text.
 | |
| 
 | |
| if(! function_exists('xmlify')) {
 | |
| function xmlify($str) {
 | |
| 	$buffer = '';
 | |
| 	
 | |
| 	for($x = 0; $x < strlen($str); $x ++) {
 | |
| 		$char = $str[$x];
 | |
|         
 | |
| 		switch( $char ) {
 | |
| 
 | |
| 			case "\r" :
 | |
| 				break;
 | |
| 			case "&" :
 | |
| 				$buffer .= '&';
 | |
| 				break;
 | |
| 			case "'" :
 | |
| 				$buffer .= ''';
 | |
| 				break;
 | |
| 			case "\"" :
 | |
| 				$buffer .= '"';
 | |
| 				break;
 | |
| 			case '<' :
 | |
| 				$buffer .= '<';
 | |
| 				break;
 | |
| 			case '>' :
 | |
| 				$buffer .= '>';
 | |
| 				break;
 | |
| 			case "\n" :
 | |
| 				$buffer .= "\n";
 | |
| 				break;
 | |
| 			default :
 | |
| 				$buffer .= $char;
 | |
| 				break;
 | |
| 		}	
 | |
| 	}
 | |
| 	$buffer = trim($buffer);
 | |
| 	return($buffer);
 | |
| }}
 | |
| 
 | |
| // undo an xmlify
 | |
| // pass xml escaped text ($s), returns unescaped text
 | |
| 
 | |
| if(! function_exists('unxmlify')) {
 | |
| function unxmlify($s) {
 | |
| 	$ret = str_replace('&','&', $s);
 | |
| 	$ret = str_replace(array('<','>','"','''),array('<','>','"',"'"),$ret);
 | |
| 	return $ret;	
 | |
| }}
 | |
| 
 | |
| // convenience wrapper, reverse the operation "bin2hex"
 | |
| 
 | |
| if(! function_exists('hex2bin')) {
 | |
| function hex2bin($s) {
 | |
| 	if(! ctype_xdigit($s)) {
 | |
| 		logger('hex2bin: illegal input: ' . print_r(debug_backtrace(), true));
 | |
| 		return($s);
 | |
| 	}
 | |
| 
 | |
| 	return(pack("H*",$s));
 | |
| }}
 | |
| 
 | |
| // Automatic pagination.
 | |
| // To use, get the count of total items.
 | |
| // Then call $a->set_pager_total($number_items);
 | |
| // Optionally call $a->set_pager_itemspage($n) to the number of items to display on each page
 | |
| // Then call paginate($a) after the end of the display loop to insert the pager block on the page
 | |
| // (assuming there are enough items to paginate).
 | |
| // When using with SQL, the setting LIMIT %d, %d => $a->pager['start'],$a->pager['itemspage']
 | |
| // will limit the results to the correct items for the current page. 
 | |
| // The actual page handling is then accomplished at the application layer. 
 | |
| 
 | |
| if(! function_exists('paginate')) {
 | |
| function paginate(&$a) {
 | |
| 	$o = '';
 | |
| 	$stripped = preg_replace('/(&page=[0-9]*)/','',$a->query_string);
 | |
| 	$stripped = str_replace('q=','',$stripped);
 | |
| 	$stripped = trim($stripped,'/');
 | |
| 	$pagenum = $a->pager['page'];
 | |
| 	$url = $a->get_baseurl() . '/' . $stripped;
 | |
| 
 | |
| 
 | |
| 	  if($a->pager['total'] > $a->pager['itemspage']) {
 | |
| 		$o .= '<div class="pager">';
 | |
|     		if($a->pager['page'] != 1)
 | |
| 			$o .= '<span class="pager_prev">'."<a href=\"$url".'&page='.($a->pager['page'] - 1).'">' . t('prev') . '</a></span> ';
 | |
| 
 | |
| 		$o .=  "<span class=\"pager_first\"><a href=\"$url"."&page=1\">" . t('first') . "</a></span> ";
 | |
| 
 | |
|     		$numpages = $a->pager['total'] / $a->pager['itemspage'];
 | |
| 
 | |
| 			$numstart = 1;
 | |
|     		$numstop = $numpages;
 | |
| 
 | |
|     		if($numpages > 14) {
 | |
|       			$numstart = (($pagenum > 7) ? ($pagenum - 7) : 1);
 | |
|       			$numstop = (($pagenum > ($numpages - 7)) ? $numpages : ($numstart + 14));
 | |
|     		}
 | |
|    
 | |
| 		for($i = $numstart; $i <= $numstop; $i++){
 | |
|       			if($i == $a->pager['page'])
 | |
| 				$o .= '<span class="pager_current">'.(($i < 10) ? ' '.$i : $i);
 | |
| 			else
 | |
| 				$o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? ' '.$i : $i)."</a>";
 | |
| 			$o .= '</span> ';
 | |
| 		}
 | |
| 
 | |
| 		if(($a->pager['total'] % $a->pager['itemspage']) != 0) {
 | |
| 			if($i == $a->pager['page'])
 | |
| 				$o .= '<span class="pager_current">'.(($i < 10) ? ' '.$i : $i);
 | |
| 			else
 | |
| 				$o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? ' '.$i : $i)."</a>";
 | |
| 			$o .= '</span> ';
 | |
| 		}
 | |
| 
 | |
| 		$lastpage = (($numpages > intval($numpages)) ? intval($numpages)+1 : $numpages);
 | |
| 		$o .= "<span class=\"pager_last\"><a href=\"$url"."&page=$lastpage\">" . t('last') . "</a></span> ";
 | |
| 
 | |
|     		if(($a->pager['total'] - ($a->pager['itemspage'] * $a->pager['page'])) > 0)
 | |
| 			$o .= '<span class="pager_next">'."<a href=\"$url"."&page=".($a->pager['page'] + 1).'">' . t('next') . '</a></span>';
 | |
| 		$o .= '</div>'."\r\n";
 | |
| 	}
 | |
| 	return $o;
 | |
| }}
 | |
| 
 | |
| // Turn user/group ACLs stored as angle bracketed text into arrays
 | |
| 
 | |
| if(! function_exists('expand_acl')) {
 | |
| function expand_acl($s) {
 | |
| 	// turn string array of angle-bracketed elements into numeric array
 | |
| 	// e.g. "<1><2><3>" => array(1,2,3);
 | |
| 	$ret = array();
 | |
| 
 | |
| 	if(strlen($s)) {
 | |
| 		$t = str_replace('<','',$s);
 | |
| 		$a = explode('>',$t);
 | |
| 		foreach($a as $aa) {
 | |
| 			if(intval($aa))
 | |
| 				$ret[] = intval($aa);
 | |
| 		}
 | |
| 	}
 | |
| 	return $ret;
 | |
| }}		
 | |
| 
 | |
| // Used to wrap ACL elements in angle brackets for storage 
 | |
| 
 | |
| if(! function_exists('sanitise_acl')) {
 | |
| function sanitise_acl(&$item) {
 | |
| 	if(intval($item))
 | |
| 		$item = '<' . intval(notags(trim($item))) . '>';
 | |
| 	else
 | |
| 		unset($item);
 | |
| }}
 | |
| 
 | |
| // retrieve a "family" of config variables from database to cached storage
 | |
| 
 | |
| if(! function_exists('load_config')) {
 | |
| function load_config($family) {
 | |
| 	global $a;
 | |
| 	$r = q("SELECT * FROM `config` WHERE `cat` = '%s'",
 | |
| 		dbesc($family)
 | |
| 	);
 | |
| 	if(count($r)) {
 | |
| 		foreach($r as $rr) {
 | |
| 			$k = $rr['k'];
 | |
| 			if ($rr['cat'] === 'config') {
 | |
| 				$a->config[$k] = $rr['v'];
 | |
| 			} else {
 | |
| 				$a->config[$family][$k] = $rr['v'];
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| }}
 | |
| 
 | |
| // get a particular config variable given the family name
 | |
| // and key. Returns false if not set.
 | |
| // $instore is only used by the set_config function
 | |
| // to determine if the key already exists in the DB
 | |
| // If a key is found in the DB but doesn't exist in
 | |
| // local config cache, pull it into the cache so we don't have
 | |
| // to hit the DB again for this item.
 | |
| 
 | |
| if(! function_exists('get_config')) {
 | |
| function get_config($family, $key, $instore = false) {
 | |
| 
 | |
| 	global $a;
 | |
| 
 | |
| 	if(! $instore) {
 | |
| 		if(isset($a->config[$family][$key])) {
 | |
| 			if($a->config[$family][$key] === '!<unset>!') {
 | |
| 				return false;
 | |
| 			}
 | |
| 			return $a->config[$family][$key];
 | |
| 		}
 | |
| 	}
 | |
| 	$ret = q("SELECT `v` FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
 | |
| 		dbesc($family),
 | |
| 		dbesc($key)
 | |
| 	);
 | |
| 	if(count($ret)) {
 | |
| 		// manage array value
 | |
| 		$val = (preg_match("|^a:[0-9]+:{.*}$|", $ret[0]['v'])?unserialize( $ret[0]['v']):$ret[0]['v']);
 | |
| 		$a->config[$family][$key] = $val;
 | |
| 		return $val;
 | |
| 	}
 | |
| 	else {
 | |
| 		$a->config[$family][$key] = '!<unset>!';
 | |
| 	}
 | |
| 	return false;
 | |
| }}
 | |
| 
 | |
| // Store a config value ($value) in the category ($family)
 | |
| // under the key ($key)
 | |
| // Return the value, or false if the database update failed
 | |
| 
 | |
| if(! function_exists('set_config')) {
 | |
| function set_config($family,$key,$value) {
 | |
| 	global $a;
 | |
| 	
 | |
| 	// manage array value
 | |
| 	$dbvalue = (is_array($value)?serialize($value):$value);
 | |
| 
 | |
| 	if(get_config($family,$key,true) === false) {
 | |
| 		$a->config[$family][$key] = $value;
 | |
| 		$ret = q("INSERT INTO `config` ( `cat`, `k`, `v` ) VALUES ( '%s', '%s', '%s' ) ",
 | |
| 			dbesc($family),
 | |
| 			dbesc($key),
 | |
| 			dbesc($dbvalue)
 | |
| 		);
 | |
| 		if($ret) 
 | |
| 			return $value;
 | |
| 		return $ret;
 | |
| 	}
 | |
| 	
 | |
| 	$ret = q("UPDATE `config` SET `v` = '%s' WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
 | |
| 		dbesc($dbvalue),
 | |
| 		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) {
 | |
| 		$a->config[$uid][$family][$key] = $value;
 | |
| 		$ret = q("INSERT INTO `pconfig` ( `uid`, `cat`, `k`, `v` ) VALUES ( %d, '%s', '%s', '%s' ) ",
 | |
| 			intval($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 $ret;
 | |
| }}
 | |
| 
 | |
| 
 | |
| // convert an XML document to a normalised, case-corrected array
 | |
| // used by webfinger
 | |
| 
 | |
| if(! function_exists('convert_xml_element_to_array')) {
 | |
| function convert_xml_element_to_array($xml_element, &$recursion_depth=0) {
 | |
| 
 | |
|         // If we're getting too deep, bail out
 | |
|         if ($recursion_depth > 512) {
 | |
|                 return(null);
 | |
|         }
 | |
| 
 | |
|         if (!is_string($xml_element) &&
 | |
|         !is_array($xml_element) &&
 | |
|         (get_class($xml_element) == 'SimpleXMLElement')) {
 | |
|                 $xml_element_copy = $xml_element;
 | |
|                 $xml_element = get_object_vars($xml_element);
 | |
|         }
 | |
| 
 | |
|         if (is_array($xml_element)) {
 | |
|                 $result_array = array();
 | |
|                 if (count($xml_element) <= 0) {
 | |
|                         return (trim(strval($xml_element_copy)));
 | |
|                 }
 | |
| 
 | |
|                 foreach($xml_element as $key=>$value) {
 | |
| 
 | |
|                         $recursion_depth++;
 | |
|                         $result_array[strtolower($key)] =
 | |
|                 convert_xml_element_to_array($value, $recursion_depth);
 | |
|                         $recursion_depth--;
 | |
|                 }
 | |
|                 if ($recursion_depth == 0) {
 | |
|                         $temp_array = $result_array;
 | |
|                         $result_array = array(
 | |
|                                 strtolower($xml_element_copy->getName()) => $temp_array,
 | |
|                         );
 | |
|                 }
 | |
| 
 | |
|                 return ($result_array);
 | |
| 
 | |
|         } else {
 | |
|                 return (trim(strval($xml_element)));
 | |
|         }
 | |
| }}
 | |
| 
 | |
| // Given an email style address, perform webfinger lookup and 
 | |
| // return the resulting DFRN profile URL, or if no DFRN profile URL
 | |
| // is located, returns an OStatus subscription template (prefixed 
 | |
| // with the string 'stat:' to identify it as on OStatus template).
 | |
| // If this isn't an email style address just return $s.
 | |
| // Return an empty string if email-style addresses but webfinger fails,
 | |
| // or if the resultant personal XRD doesn't contain a supported 
 | |
| // subscription/friend-request attribute.
 | |
| 
 | |
| if(! function_exists('webfinger_dfrn')) {
 | |
| function webfinger_dfrn($s) {
 | |
| 	if(! strstr($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)
 | |
| 				return $link['@attributes']['href'];
 | |
| 		foreach($links as $link)
 | |
| 			if($link['@attributes']['rel'] === NAMESPACE_OSTATUSSUB)
 | |
| 				return 'stat:' . $link['@attributes']['template'];		
 | |
| 	}
 | |
| 	return '';
 | |
| }}
 | |
| 
 | |
| // Given an email style address, perform webfinger lookup and 
 | |
| // return the array of link attributes from the personal XRD file.
 | |
| // On error/failure return an empty array.
 | |
| 
 | |
| 
 | |
| if(! function_exists('webfinger')) {
 | |
| function webfinger($s) {
 | |
| 	$host = '';
 | |
| 	if(strstr($s,'@')) {
 | |
| 		$host = substr($s,strpos($s,'@') + 1);
 | |
| 	}
 | |
| 	if(strlen($host)) {
 | |
| 		$tpl = fetch_lrdd_template($host);
 | |
| 		logger('webfinger: lrdd template: ' . $tpl);
 | |
| 		if(strlen($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);
 | |
| 				logger('webfinger: pxrd: ' . $pxrd);
 | |
| 				$links = fetch_xrd_links($pxrd);
 | |
| 			}
 | |
| 			return $links;
 | |
| 		}
 | |
| 	}
 | |
| 	return array();
 | |
| }}
 | |
| 
 | |
| if(! function_exists('lrdd')) {
 | |
| function lrdd($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));
 | |
| 	}
 | |
| 
 | |
| 	// 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);
 | |
| 
 | |
| 	$h = parse_xml_string($xml);
 | |
| 	if(! $h)
 | |
| 		return array();
 | |
| 
 | |
| 	$arr = convert_xml_element_to_array($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 $line) {				
 | |
| 				if((stristr($line,'link:')) && preg_match('/<([^>].*)>.*rel\=[\'\"]lrdd[\'\"]/',$line,$matches)) {
 | |
| 					return(fetch_xrd_links($matches[1]));
 | |
| 					break;
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 
 | |
| 	// priority 'resource'
 | |
| 
 | |
| 
 | |
| 	$html = fetch_url($uri);
 | |
| 	$headers = $a->get_curl_headers();
 | |
| 	logger('lrdd: headers=' . $headers, LOGGER_DEBUG);
 | |
| 
 | |
| 	// don't try and parse raw xml as html
 | |
| 	if(! strstr($html,'<?xml')) {
 | |
| 		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
 | |
| 
 | |
| 	$lines = explode("\n",$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 $links;
 | |
| 
 | |
| 	return array();
 | |
| 
 | |
| }}
 | |
| 
 | |
| 
 | |
| 
 | |
| // Given a host name, locate the LRDD template from that
 | |
| // host. Returns the LRDD template or an empty string on
 | |
| // error/failure.
 | |
| 
 | |
| if(! function_exists('fetch_lrdd_template')) {
 | |
| function fetch_lrdd_template($host) {
 | |
| 	$tpl = '';
 | |
| 
 | |
| 	$url1 = 'https://' . $host . '/.well-known/host-meta' ;
 | |
| 	$url2 = 'http://' . $host . '/.well-known/host-meta' ;
 | |
| 	$links = fetch_xrd_links($url1);
 | |
| 	logger('fetch_lrdd_template from: ' . $url1);
 | |
| 	logger('template (https): ' . print_r($links,true));
 | |
| 	if(! count($links)) {
 | |
| 		logger('fetch_lrdd_template from: ' . $url2);
 | |
| 		$links = fetch_xrd_links($url2);
 | |
| 		logger('template (http): ' . print_r($links,true));
 | |
| 	}
 | |
| 	if(count($links)) {
 | |
| 		foreach($links as $link)
 | |
| 			if($link['@attributes']['rel'] && $link['@attributes']['rel'] === 'lrdd')
 | |
| 				$tpl = $link['@attributes']['template'];
 | |
| 	}
 | |
| 	if(! strpos($tpl,'{uri}'))
 | |
| 		$tpl = '';
 | |
| 	return $tpl;
 | |
| }}
 | |
| 
 | |
| // Given a URL, retrieve the page as an XRD document.
 | |
| // Return an array of links.
 | |
| // on error/failure return empty array.
 | |
| 
 | |
| if(! function_exists('fetch_xrd_links')) {
 | |
| function fetch_xrd_links($url) {
 | |
| 
 | |
| 
 | |
| 	$xml = fetch_url($url);
 | |
| 	if (! $xml)
 | |
| 		return array();
 | |
| 
 | |
| 	logger('fetch_xrd_links: ' . $xml, LOGGER_DATA);
 | |
| 	$h = parse_xml_string($xml);
 | |
| 	if(! $h)
 | |
| 		return array();
 | |
| 
 | |
| 	$arr = convert_xml_element_to_array($h);
 | |
| 
 | |
| 	$links = array();
 | |
| 
 | |
| 	if(isset($arr['xrd']['link'])) {
 | |
| 		$link = $arr['xrd']['link'];
 | |
| 		if(! isset($link[0]))
 | |
| 			$links = array($link);
 | |
| 		else
 | |
| 			$links = $link;
 | |
| 	}
 | |
| 	if(isset($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 $links;
 | |
| 
 | |
| }}
 | |
| 
 | |
| // Convert an ACL array to a storable string
 | |
| 
 | |
| if(! function_exists('perms2str')) {
 | |
| function perms2str($p) {
 | |
| 	$ret = '';
 | |
| 	$tmp = $p;
 | |
| 	if(is_array($tmp)) {
 | |
| 		array_walk($tmp,'sanitise_acl');
 | |
| 		$ret = implode('',$tmp);
 | |
| 	}
 | |
| 	return $ret;
 | |
| }}
 | |
| 
 | |
| // generate a guaranteed unique (for this domain) item ID for ATOM
 | |
| // safe from birthday paradox
 | |
| 
 | |
| if(! function_exists('item_new_uri')) {
 | |
| function item_new_uri($hostname,$uid) {
 | |
| 
 | |
| 	do {
 | |
| 		$dups = false;
 | |
| 		$hash = random_string();
 | |
| 
 | |
| 		$uri = "urn:X-dfrn:" . $hostname . ':' . $uid . ':' . $hash;
 | |
| 
 | |
| 		$r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
 | |
| 			dbesc($uri));
 | |
| 		if(count($r))
 | |
| 			$dups = true;
 | |
| 	} while($dups == true);
 | |
| 	return $uri;
 | |
| }}
 | |
| 
 | |
| // Generate a guaranteed unique photo ID.
 | |
| // safe from birthday paradox
 | |
| 
 | |
| if(! function_exists('photo_new_resource')) {
 | |
| function photo_new_resource() {
 | |
| 
 | |
| 	do {
 | |
| 		$found = false;
 | |
| 		$resource = hash('md5',uniqid(mt_rand(),true));
 | |
| 		$r = q("SELECT `id` FROM `photo` WHERE `resource-id` = '%s' LIMIT 1",
 | |
| 			dbesc($resource)
 | |
| 		);
 | |
| 		if(count($r))
 | |
| 			$found = true;
 | |
| 	} while($found == true);
 | |
| 	return $resource;
 | |
| }}
 | |
| 
 | |
| 
 | |
| // Take a URL from the wild, prepend http:// if necessary
 | |
| // and check DNS to see if it's real
 | |
| // return true if it's OK, false if something is wrong with it
 | |
| 
 | |
| if(! function_exists('validate_url')) {
 | |
| function validate_url(&$url) {
 | |
| 	if(substr($url,0,4) != 'http')
 | |
| 		$url = 'http://' . $url;
 | |
| 	$h = @parse_url($url);
 | |
| 
 | |
| 	if(($h) && (dns_get_record($h['host'], DNS_A + DNS_CNAME + DNS_PTR))) {
 | |
| 		return true;
 | |
| 	}
 | |
| 	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) && (dns_get_record($h, DNS_A + DNS_CNAME + DNS_PTR + DNS_MX))) {
 | |
| 		return true;
 | |
| 	}
 | |
| 	return false;
 | |
| }}
 | |
| 
 | |
| // Check $url against our list of allowed sites,
 | |
| // wildcards allowed. If allowed_sites is unset return true;
 | |
| // If url is allowed, return true.
 | |
| // otherwise, return false
 | |
| 
 | |
| if(! function_exists('allowed_url')) {
 | |
| function allowed_url($url) {
 | |
| 
 | |
| 	$h = @parse_url($url);
 | |
| 
 | |
| 	if(! $h) {
 | |
| 		return false;
 | |
| 	}
 | |
| 
 | |
| 	$str_allowed = get_config('system','allowed_sites');
 | |
| 	if(! $str_allowed)
 | |
| 		return true;
 | |
| 
 | |
| 	$found = false;
 | |
| 
 | |
| 	$host = strtolower($h['host']);
 | |
| 
 | |
| 	// always allow our own site
 | |
| 
 | |
| 	if($host == strtolower($_SERVER['SERVER_NAME']))
 | |
| 		return true;
 | |
| 
 | |
| 	$fnmatch = function_exists('fnmatch');
 | |
| 	$allowed = explode(',',$str_allowed);
 | |
| 
 | |
| 	if(count($allowed)) {
 | |
| 		foreach($allowed as $a) {
 | |
| 			$pat = strtolower(trim($a));
 | |
| 			if(($fnmatch && fnmatch($pat,$host)) || ($pat == $host)) {
 | |
| 				$found = true; 
 | |
| 				break;
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 	return $found;
 | |
| }}
 | |
| 
 | |
| // check if email address is allowed to register here.
 | |
| // Compare against our list (wildcards allowed).
 | |
| // Returns false if not allowed, true if allowed or if
 | |
| // allowed list is not configured.
 | |
| 
 | |
| if(! function_exists('allowed_email')) {
 | |
| function allowed_email($email) {
 | |
| 
 | |
| 
 | |
| 	$domain = strtolower(substr($email,strpos($email,'@') + 1));
 | |
| 	if(! $domain)
 | |
| 		return false;
 | |
| 
 | |
| 	$str_allowed = get_config('system','allowed_email');
 | |
| 	if(! $str_allowed)
 | |
| 		return true;
 | |
| 
 | |
| 	$found = false;
 | |
| 
 | |
| 	$fnmatch = function_exists('fnmatch');
 | |
| 	$allowed = explode(',',$str_allowed);
 | |
| 
 | |
| 	if(count($allowed)) {
 | |
| 		foreach($allowed as $a) {
 | |
| 			$pat = strtolower(trim($a));
 | |
| 			if(($fnmatch && fnmatch($pat,$domain)) || ($pat == $domain)) {
 | |
| 				$found = true; 
 | |
| 				break;
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 	return $found;
 | |
| }}
 | |
| 
 | |
| 
 | |
| 
 | |
| // wrapper to load a view template, checking for alternate
 | |
| // languages before falling back to the default
 | |
| 
 | |
| // obsolete, deprecated.
 | |
| 
 | |
| if(! function_exists('load_view_file')) {
 | |
| function load_view_file($s) {
 | |
| 	global $lang, $a;
 | |
| 	if(! isset($lang))
 | |
| 		$lang = 'en';
 | |
| 	$b = basename($s);
 | |
| 	$d = dirname($s);
 | |
| 	if(file_exists("$d/$lang/$b"))
 | |
| 		return file_get_contents("$d/$lang/$b");
 | |
| 	
 | |
| 	$theme = current_theme();
 | |
| 	
 | |
| 	if(file_exists("$d/theme/$theme/$b"))
 | |
| 		return file_get_contents("$d/theme/$theme/$b");
 | |
| 			
 | |
| 	return file_get_contents($s);
 | |
| }}
 | |
| 
 | |
| if(! function_exists('get_intltext_template')) {
 | |
| function get_intltext_template($s) {
 | |
| 	global $lang;
 | |
| 
 | |
| 	if(! isset($lang))
 | |
| 		$lang = 'en';
 | |
| 
 | |
| 	if(file_exists("view/$lang/$s"))
 | |
| 		return file_get_contents("view/$lang/$s");
 | |
| 	elseif(file_exists("view/en/$s"))
 | |
| 		return file_get_contents("view/en/$s");
 | |
| 	else
 | |
| 		return file_get_contents("view/$s");
 | |
| }}
 | |
| 
 | |
| if(! function_exists('get_markup_template')) {
 | |
| function get_markup_template($s) {
 | |
| 
 | |
| 	$theme = current_theme();
 | |
| 	
 | |
| 	if(file_exists("view/theme/$theme/$s"))
 | |
| 		return file_get_contents("view/theme/$theme/$s");
 | |
| 	else
 | |
| 		return file_get_contents("view/$s");
 | |
| 
 | |
| }}
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| // 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();
 | |
| 
 | |
| 	// ignore anything in a code block
 | |
| 
 | |
| 	$s = preg_replace('/\[code\](.*?)\[\/code\]/sm','',$s);
 | |
| 
 | |
| 	// Match full names against @tags including the space between first and last
 | |
| 	// We will look these up afterward to see if they are full names or not recognisable.
 | |
| 
 | |
| 	if(preg_match_all('/(@[^ \x0D\x0A,:?]+ [^ \x0D\x0A,:?]+)([ \x0D\x0A,:?]|$)/',$s,$match)) {
 | |
| 		foreach($match[1] as $mtch) {
 | |
| 			if(strstr($mtch,"]")) {
 | |
| 				// we might be inside a bbcode color tag - leave it alone
 | |
| 				continue;
 | |
| 			}
 | |
| 			if(substr($mtch,-1,1) === '.')
 | |
| 				$ret[] = substr($mtch,0,-1);
 | |
| 			else
 | |
| 				$ret[] = $mtch;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	// Otherwise pull out single word tags. These can be @nickname, @first_last
 | |
| 	// and #hash tags.
 | |
| 
 | |
| 	if(preg_match_all('/([@#][^ \x0D\x0A,:?]+)([ \x0D\x0A,:?]|$)/',$s,$match)) {
 | |
| 		foreach($match[1] as $mtch) {
 | |
| 			if(strstr($mtch,"]")) {
 | |
| 				// we might be inside a bbcode color tag - leave it alone
 | |
| 				continue;
 | |
| 			}
 | |
| 			// ignore strictly numeric tags like #1
 | |
| 			if((strpos($mtch,'#') === 0) && ctype_digit(substr($mtch,1)))
 | |
| 				continue;
 | |
| 			if(substr($mtch,-1,1) === '.')
 | |
| 				$ret[] = substr($mtch,0,-1);
 | |
| 			else
 | |
| 				$ret[] = $mtch;
 | |
| 		}
 | |
| 	}
 | |
| 	return $ret;
 | |
| }}
 | |
| 
 | |
| 
 | |
| // quick and dirty quoted_printable encoding
 | |
| 
 | |
| if(! function_exists('qp')) {
 | |
| function qp($s) {
 | |
| return str_replace ("%","=",rawurlencode($s));
 | |
| }} 
 | |
| 
 | |
| 
 | |
| 
 | |
| if(! function_exists('get_mentions')) {
 | |
| function get_mentions($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";
 | |
| 			$o .= "\t\t" . '<link rel="ostatus:attention" href="' . $matches[1] . '" />' . "\r\n";
 | |
| 		}
 | |
| 	}
 | |
| 	return $o;
 | |
| }}
 | |
| 
 | |
| 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;
 | |
| 	$r = q("SELECT COUNT(*) AS `total` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0",
 | |
| 			intval($a->profile['uid'])
 | |
| 	);
 | |
| 	if(count($r)) {
 | |
| 		$total = intval($r[0]['total']);
 | |
| 	}
 | |
| 	if(! $total) {
 | |
| 		$o .= '<h4 class="contact-h4">' . t('No contacts') . '</h4>';
 | |
| 		return $o;
 | |
| 	}
 | |
| 	$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0 ORDER BY RAND() LIMIT %d",
 | |
| 			intval($a->profile['uid']),
 | |
| 			intval($shown)
 | |
| 	);
 | |
| 	if(count($r)) {
 | |
| 		$o .= '<h4 class="contact-h4">' .  sprintf( tt('%d Contact','%d Contacts', $total),$total) . '</h4><div id="contact-block">';
 | |
| 		foreach($r as $rr) {
 | |
| 			$o .= micropro($rr,true,'mpfriend');
 | |
| 		}
 | |
| 		$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>';
 | |
| 		
 | |
| 	}
 | |
| 
 | |
| 	$arr = array('contacts' => $r, 'output' => $o);
 | |
| 
 | |
| 	call_hooks('contact_block_end', $arr);
 | |
| 	return $o;
 | |
| 
 | |
| }}
 | |
| 
 | |
| if(! function_exists('micropro')) {
 | |
| function micropro($contact, $redirect = false, $class = '', $textmode = false) {
 | |
| 
 | |
| 	if($class)
 | |
| 		$class = ' ' . $class;
 | |
| 
 | |
| 	$url = $contact['url'];
 | |
| 	$sparkle = '';
 | |
| 
 | |
| 	if($redirect) {
 | |
| 		$a = get_app();
 | |
| 		$redirect_url = $a->get_baseurl() . '/redir/' . $contact['id'];
 | |
| 		if(local_user() && ($contact['uid'] == local_user()) && ($contact['network'] === 'dfrn')) {
 | |
| 			$url = $redirect_url;
 | |
| 			$sparkle = ' sparkle';
 | |
| 		}
 | |
| 	}
 | |
| 	$click = ((x($contact,'click')) ? ' onclick="' . $contact['click'] . '" ' : '');
 | |
| 	if($click)
 | |
| 		$url = '';
 | |
| 	if($textmode) {
 | |
| 		return '<div class="contact-block-textdiv' . $class . '"><a class="contact-block-link' . $class . $sparkle 
 | |
| 			. (($click) ? ' fakelink' : '') . '" '
 | |
| 			. (($url) ? ' href="' . $url . '"' : '') . $click
 | |
| 			. '" title="' . $contact['name'] . ' [' . $contact['url'] . ']" alt="' . $contact['name'] 
 | |
| 			. '" >'. $contact['name'] . '</a></div>' . "\r\n";
 | |
| 	}
 | |
| 	else {
 | |
| 		return '<div class="contact-block-div' . $class . '"><a class="contact-block-link' . $class . $sparkle 
 | |
| 			. (($click) ? ' fakelink' : '') . '" '
 | |
| 			. (($url) ? ' href="' . $url . '"' : '') . $click . ' ><img class="contact-block-img' . $class . $sparkle . '" src="' 
 | |
| 			. $contact['micro'] . '" title="' . $contact['name'] . ' [' . $contact['url'] . ']" alt="' . $contact['name'] 
 | |
| 			. '" /></a></div>' . "\r\n";
 | |
| 	}
 | |
| }}
 | |
| 
 | |
| 
 | |
| 
 | |
| if(! function_exists('search')) {
 | |
| function search($s,$id='search-box',$url='/search') {
 | |
| 	$a = get_app();
 | |
| 	$o  = '<div id="' . $id . '">';
 | |
| 	$o .= '<form action="' . $a->get_baseurl() . $url . '" 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 $url;
 | |
| }}
 | |
| 
 | |
| if(! function_exists('aes_decrypt')) {
 | |
| function aes_decrypt($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( '<3', '</3', '<\\3', ':-)', ':)', ';-)', ':-(', ':(', ':-P', ':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-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-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>';
 | |
| 
 | |
| 	// don't show connect link to yourself
 | |
| 	
 | |
| 	$connect = (($profile['uid'] != local_user()) ? '<li><a id="dfrn-request-link" href="dfrn_request/' . $profile['nickname'] . '">' . t('Connect') . '</a></li>' : '');
 | |
| 
 | |
| 	// don't show connect link to authenticated visitors either
 | |
| 
 | |
| 	if((remote_user()) && ($_SESSION['visitor_visiting'] == $profile['uid']))
 | |
| 		$connect = ''; 
 | |
| 
 | |
| 	if((x($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">♥</span> ' . t('Status:') . ' </span><span class="marital-text">' . $profile['marital'] . '</span></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($profile['homepage']) . '</span></div><div class="profile-clear"></div>' : '');
 | |
| 
 | |
| 	if($profile['hidewall'] && (! local_user()) && (! remote_user())) {
 | |
| 		$location = $gender = $marital = $homepage = '';
 | |
| 	}
 | |
| 
 | |
| 	$tpl = get_markup_template('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 = t('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)) {
 | |
| 		$total = 0;
 | |
| 		foreach($r as $rr)
 | |
| 			if(strlen($rr['name']))
 | |
| 				$total ++;
 | |
| 
 | |
| 		if($total) {
 | |
| 			$o .= '<div id="birthday-notice" class="birthday-notice fakelink" onclick=openClose(\'birthday-wrapper\'); >' . t('Birthday Reminders') . ' ' . '(' . $total . ')' . '</div>'; 
 | |
| 			$o .= '<div id="birthday-wrapper" style="display: none;" ><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 $rr) {
 | |
| 				if(! strlen($rr['name']))
 | |
| 					continue;
 | |
| 				$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></div>';
 | |
| 		}
 | |
| 	}
 | |
| 	return $o;
 | |
| }}
 | |
| 
 | |
| 
 | |
| if(! function_exists('normalise_link')) {
 | |
| function normalise_link($url) {
 | |
| 	$ret = str_replace(array('https:','//www.'), array('http:','//'), $url);
 | |
| 	return(rtrim($ret,'/'));
 | |
| }}
 | |
| 
 | |
| /**
 | |
|  *
 | |
|  * 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) {
 | |
| 	if(strcasecmp(normalise_link($a),normalise_link($b)) === 0)
 | |
| 		return true;
 | |
| 	return false;
 | |
| }}
 | |
| 
 | |
| 
 | |
| if(! function_exists('prepare_body')) {
 | |
| function prepare_body($item,$attach = false) {
 | |
| 
 | |
| 	$s = prepare_text($item['body']);
 | |
| 	if(! $attach)
 | |
| 		return $s;
 | |
| 
 | |
| 	$arr = explode(',',$item['attach']);
 | |
| 	if(count($arr)) {
 | |
| 		$s .= '<div class="body-attach">';
 | |
| 		foreach($arr as $r) {
 | |
| 			$matches = false;
 | |
| 			$icon = '';
 | |
| 			$cnt = preg_match('|\[attach\]href=\"(.*?)\" size=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"\[\/attach\]|',$r,$matches);
 | |
| 			if($cnt) {
 | |
| 				$icontype = strtolower(substr($matches[3],0,strpos($matches[3],'/')));
 | |
| 				switch($icontype) {
 | |
| 					case 'video':
 | |
| 					case 'audio':
 | |
| 					case 'image':
 | |
| 					case 'text':
 | |
| 						$icon = '<div class="attachtype type-' . $icontype . '"></div>';
 | |
| 						break;
 | |
| 					default:
 | |
| 						$icon = '<div class="attachtype type-unkn"></div>';
 | |
| 						break;
 | |
| 				}
 | |
| 				$title = ((strlen(trim($matches[4]))) ? escape_tags(trim($matches[4])) : escape_tags($matches[1]));
 | |
| 				$title .= ' ' . $matches[2] . ' ' . t('bytes');
 | |
| 
 | |
| 				$s .= '<a href="' . strip_tags($matches[1]) . '" title="' . $title . '" class="attachlink" target="external-link" >' . $icon . '</a>';
 | |
| 			}
 | |
| 		}
 | |
| 		$s .= '<div class="clear"></div></div>';
 | |
| 	}
 | |
| 	return $s;
 | |
| }}
 | |
| 
 | |
| if(! function_exists('prepare_text')) {
 | |
| function prepare_text($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));
 | |
| }}
 | |
| 
 | |
| if(! function_exists('current_theme')) {
 | |
| function current_theme(){
 | |
| 	$app_base_themes = array('duepuntozero', 'loozah');
 | |
| 	
 | |
| 	$a = get_app();
 | |
| 	
 | |
| 	$system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
 | |
| 	$theme_name = ((is_array($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
 | |
| 	
 | |
| 	if($theme_name && file_exists('view/theme/' . $theme_name . '/style.css'))
 | |
| 		return($theme_name);
 | |
| 	
 | |
| 	foreach($app_base_themes as $t) {
 | |
| 		if(file_exists('view/theme/' . $t . '/style.css'))
 | |
| 			return($t);
 | |
| 	}
 | |
| 	
 | |
| 	$fallback = glob('view/theme/*/style.css');
 | |
| 	if(count($fallback))
 | |
| 		return (str_replace('view/theme/','', str_replace("/style.css","",$fallback[0])));
 | |
| 
 | |
| }}
 | |
| 
 | |
| /*
 | |
| * 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() {
 | |
| 	global $a;
 | |
| 	$t = current_theme();
 | |
| 	return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
 | |
| }}
 | |
| 
 | |
| if(! function_exists('feed_birthday')) {
 | |
| function feed_birthday($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" class="icon remote-link"></a></div>' : '');
 | |
| 	return $plink;
 | |
| }}
 | |
| 
 | |
| if(! function_exists('unamp')) {
 | |
| function unamp($s) {
 | |
| 	return str_replace('&', '&', $s);
 | |
| }}
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| if(! function_exists('lang_selector')) {
 | |
| function lang_selector() {
 | |
| 	global $lang;
 | |
| 	$o = '<div id="lang-select-icon" class="icon language" title="' . t('Select an alternate language') . '" onclick="openClose(\'language-selector\');" ></div>';
 | |
| 	$o .= '<div id="language-selector" style="display: none;" >';
 | |
| 	$o .= '<form action="" method="post" ><select name="system_language" onchange="this.form.submit();" >';
 | |
| 	$langs = glob('view/*/strings.php');
 | |
| 	if(is_array($langs) && count($langs)) {
 | |
| 		if(! in_array('view/en/strings.php',$langs))
 | |
| 			$langs[] = 'view/en/';
 | |
| 		asort($langs);
 | |
| 		foreach($langs as $l) {
 | |
| 			$ll = substr($l,5);
 | |
| 			$ll = substr($ll,0,strrpos($ll,'/'));
 | |
| 			$selected = (($ll === $lang) ? ' selected="selected" ' : '');
 | |
| 			$o .= '<option value="' . $ll . '"' . $selected . '>' . $ll . '</option>';
 | |
| 		}
 | |
| 	}
 | |
| 	$o .= '</select></form></div>';
 | |
| 	return $o;
 | |
| }}
 | |
| 
 | |
| 
 | |
| if(! function_exists('parse_xml_string')) {
 | |
| function parse_xml_string($s,$strict = true) {
 | |
| 	if($strict) {
 | |
| 		if(! strstr($s,'<?xml'))
 | |
| 			return false;
 | |
| 		$s2 = substr($s,strpos($s,'<?xml'));
 | |
| 	}
 | |
| 	else
 | |
| 		$s2 = $s;
 | |
| 	libxml_use_internal_errors(true);
 | |
| 
 | |
| 	$x = @simplexml_load_string($s2);
 | |
| 	if(! $x) {
 | |
| 		logger('libxml: parse: error: ' . $s2, LOGGER_DATA);
 | |
| 		foreach(libxml_get_errors() as $err)
 | |
| 			logger('libxml: parse: ' . $err->code." at ".$err->line.":".$err->column." : ".$err->message, LOGGER_DATA);
 | |
| 		libxml_clear_errors();
 | |
| 	}
 | |
| 	return $x;
 | |
| }}
 | |
| 
 | |
| if(! function_exists('is_site_admin')) {
 | |
| function is_site_admin() {
 | |
| 	$a = get_app();
 | |
| 	if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
 | |
| 		return true;
 | |
| 	return false;
 | |
| }}
 | |
| 
 | |
| /*
 | |
|  * parse plugin comment in search of plugin infos.
 | |
|  * like
 | |
|  * 	
 | |
|  * 	 * Name: Plugin
 | |
|  *   * Description: A plugin which plugs in
 | |
|  * 	 * Version: 1.2.3
 | |
|  *   * Author: John <profile url>
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|  *   * Author: Jane <email>
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|  *   *
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|  */
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| 
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| if (! function_exists('get_plugin_info')){
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| function get_plugin_info($plugin){
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| 	if (!is_file("addon/$plugin/$plugin.php")) return false;
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| 	
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| 	$f = file_get_contents("addon/$plugin/$plugin.php");
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| 	$r = preg_match("|/\*.*\*/|msU", $f, $m);
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| 	
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| 	$info=Array(
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| 		'name' => $plugin,
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| 		'description' => "",
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| 		'author' => array(),
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| 		'version' => ""
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| 	);
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| 	
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| 	if ($r){
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| 		$ll = explode("\n", $m[0]);
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| 		foreach( $ll as $l ) {
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| 			$l = trim($l,"\t\n\r */");
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| 			if ($l!=""){
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| 				list($k,$v) = array_map("trim", explode(":",$l,2));
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| 				$k= strtolower($k);
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| 				if ($k=="author"){
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| 					$r=preg_match("|([^<]+)<([^>]+)>|", $v, $m);
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| 					if ($r) {
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| 						$info['author'][] = array('name'=>$m[1], 'link'=>$m[2]);
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| 					} else {
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| 						$info['author'][] = array('name'=>$v);
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| 					}
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| 				} else {
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| 					if (array_key_exists($k,$info)){
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| 						$info[$k]=$v;
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| 					}
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| 				}
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| 				
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| 			}
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| 		}
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| 		
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| 	}
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| 	return $info;
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| }}
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| 
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| if(! function_exists('return_bytes')) {
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| function return_bytes ($size_str) {
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|     switch (substr ($size_str, -1))
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|     {
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|         case 'M': case 'm': return (int)$size_str * 1048576;
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|         case 'K': case 'k': return (int)$size_str * 1024;
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|         case 'G': case 'g': return (int)$size_str * 1073741824;
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|         default: return $size_str;
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|     }
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| }}
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| 
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| function generate_guid() {
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| 	$found = true;
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| 	do {
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| 		$guid = substr(random_string(),0,16);
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| 		$x = q("SELECT `uid` FROM `user` WHERE `guid` = '%s' LIMIT 1",
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| 			dbesc($guid)
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| 		);
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| 		if(! count($x))
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| 			$found = false;
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| 	} while ($found == true );
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| 	return $guid;
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| }
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| 
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| 
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| function pkcs5_pad ($text, $blocksize)
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| {
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|     $pad = $blocksize - (strlen($text) % $blocksize);
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|     return $text . str_repeat(chr($pad), $pad);
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| }
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| 
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| function pkcs5_unpad($text)
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| {
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|     $pad = ord($text{strlen($text)-1});
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|     if ($pad > strlen($text)) return false;
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|     if (strspn($text, chr($pad), strlen($text) - $pad) != $pad) return false;
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|     return substr($text, 0, -1 * $pad);
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| } 
 |