mirror of
https://github.com/friendica/friendica
synced 2024-11-18 18:23:40 +00:00
2004 lines
54 KiB
PHP
2004 lines
54 KiB
PHP
<?php
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set_time_limit(0);
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define ( 'BUILD_ID', 1027 );
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define ( 'DFRN_PROTOCOL_VERSION', '2.0' );
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define ( 'EOL', "<br />\r\n" );
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define ( 'ATOM_TIME', 'Y-m-d\TH:i:s\Z' );
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define ( 'DOWN_ARROW', '⇩' );
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/**
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* log levels
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*/
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define ( 'LOGGER_NORMAL', 0 );
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define ( 'LOGGER_TRACE', 1 );
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define ( 'LOGGER_DEBUG', 2 );
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define ( 'LOGGER_DATA', 3 );
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define ( 'LOGGER_ALL', 4 );
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/**
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* registration policies
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*/
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define ( 'REGISTER_CLOSED', 0 );
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define ( 'REGISTER_APPROVE', 1 );
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define ( 'REGISTER_OPEN', 2 );
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/**
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* relationship types
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*/
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define ( 'REL_VIP', 1);
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define ( 'REL_FAN', 2);
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define ( 'REL_BUD', 3);
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/**
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*
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* page/profile types
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*
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* PAGE_NORMAL is a typical personal profile account
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* PAGE_SOAPBOX automatically approves all friend requests as REL_FAN, (readonly)
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* PAGE_COMMUNITY automatically approves all friend requests as REL_FAN, but with
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* write access to wall and comments (no email and not included in page owner's ACL lists)
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* PAGE_FREELOVE automatically approves all friend requests as full friends (REL_BUD).
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*
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*/
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define ( 'PAGE_NORMAL', 0 );
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define ( 'PAGE_SOAPBOX', 1 );
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define ( 'PAGE_COMMUNITY', 2 );
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define ( 'PAGE_FREELOVE', 3 );
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/**
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* Maximum number of "people who like (or don't like) this" that we will list by name
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*/
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define ( 'MAX_LIKERS', 75);
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/**
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* email notification options
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*/
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define ( 'NOTIFY_INTRO', 0x0001 );
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define ( 'NOTIFY_CONFIRM', 0x0002 );
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define ( 'NOTIFY_WALL', 0x0004 );
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define ( 'NOTIFY_COMMENT', 0x0008 );
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define ( 'NOTIFY_MAIL', 0x0010 );
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/**
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* various namespaces we may need to parse
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*/
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define ( 'NAMESPACE_DFRN' , 'http://purl.org/macgirvin/dfrn/1.0' );
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define ( 'NAMESPACE_THREAD' , 'http://purl.org/syndication/thread/1.0' );
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define ( 'NAMESPACE_TOMB' , 'http://purl.org/atompub/tombstones/1.0' );
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define ( 'NAMESPACE_ACTIVITY', 'http://activitystrea.ms/spec/1.0/' );
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define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
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define ( 'NAMESPACE_MEDIA', 'http://purl.org/syndication/atommedia' );
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define ( 'NAMESPACE_SALMON_ME', 'http://salmon-protocol.org/ns/magic-env' );
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define ( 'NAMESPACE_OSTATUSSUB', 'http://ostatus.org/schema/1.0/subscribe' );
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define ( 'NAMESPACE_GEORSS', 'http://www.georss.org/georss' );
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define ( 'NAMESPACE_POCO', 'http://portablecontacts.net/spec/1.0' );
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define ( 'NAMESPACE_FEED', 'http://schemas.google.com/g/2010#updates-from' );
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/**
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* activity stream defines
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*/
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define ( 'ACTIVITY_LIKE', NAMESPACE_ACTIVITY_SCHEMA . 'like' );
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define ( 'ACTIVITY_DISLIKE', NAMESPACE_DFRN . '/dislike' );
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define ( 'ACTIVITY_OBJ_HEART', NAMESPACE_DFRN . '/heart' );
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define ( 'ACTIVITY_FRIEND', NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
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define ( 'ACTIVITY_FOLLOW', NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
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define ( 'ACTIVITY_UNFOLLOW', NAMESPACE_ACTIVITY_SCHEMA . 'unfollow' );
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define ( 'ACTIVITY_POST', NAMESPACE_ACTIVITY_SCHEMA . 'post' );
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define ( 'ACTIVITY_UPDATE', NAMESPACE_ACTIVITY_SCHEMA . 'update' );
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define ( 'ACTIVITY_TAG', NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
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define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
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define ( 'ACTIVITY_OBJ_NOTE', NAMESPACE_ACTIVITY_SCHEMA . 'note' );
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define ( 'ACTIVITY_OBJ_PERSON', NAMESPACE_ACTIVITY_SCHEMA . 'person' );
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define ( 'ACTIVITY_OBJ_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
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define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
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define ( 'ACTIVITY_OBJ_ALBUM', NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
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/**
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* item weight for query ordering
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*/
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define ( 'GRAVITY_PARENT', 0);
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define ( 'GRAVITY_LIKE', 3);
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define ( 'GRAVITY_COMMENT', 6);
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/**
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*
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* Reverse the effect of magic_quotes_gpc if it is enabled.
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* Please disable magic_quotes_gpc so we don't have to do this.
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* See http://php.net/manual/en/security.magicquotes.disabling.php
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*
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*/
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if (get_magic_quotes_gpc()) {
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$process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
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while (list($key, $val) = each($process)) {
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foreach ($val as $k => $v) {
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unset($process[$key][$k]);
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if (is_array($v)) {
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$process[$key][stripslashes($k)] = $v;
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$process[] = &$process[$key][stripslashes($k)];
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} else {
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$process[$key][stripslashes($k)] = stripslashes($v);
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}
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}
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}
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unset($process);
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}
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/**
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*
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* class: App
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*
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* Our main application structure for the life of this page
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* Primarily deals with the URL that got us here
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* and tries to make some sense of it, and
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* stores our page contents and config storage
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* and anything else that might need to be passed around
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* before we spit the page out.
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*
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*/
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if(! class_exists('App')) {
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class App {
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public $module_loaded = false;
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public $query_string;
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public $config;
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public $page;
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public $profile;
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public $user;
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public $cid;
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public $contact;
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public $content;
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public $data;
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public $error = false;
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public $cmd;
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public $argv;
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public $argc;
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public $module;
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public $pager;
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public $strings;
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public $path;
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public $hooks;
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public $interactive = true;
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private $scheme;
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private $hostname;
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private $baseurl;
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private $db;
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private $curl_code;
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private $curl_headers;
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function __construct() {
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$this->config = array();
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$this->page = array();
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$this->pager= array();
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$this->query_string = '';
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$this->scheme = ((isset($_SERVER['HTTPS']) && ($_SERVER['HTTPS'])) ? 'https' : 'http' );
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if(x($_SERVER,'SERVER_NAME'))
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$this->hostname = $_SERVER['SERVER_NAME'];
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set_include_path("include/$this->hostname" . PATH_SEPARATOR . 'include' . PATH_SEPARATOR . '.' );
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if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=")
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$this->query_string = substr($_SERVER['QUERY_STRING'],2);
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if(x($_GET,'q'))
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$this->cmd = trim($_GET['q'],'/');
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/**
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* Figure out if we are running at the top of a domain
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* or in a sub-directory and adjust accordingly
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*/
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$path = trim(dirname($_SERVER['SCRIPT_NAME']),'/');
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if(isset($path) && strlen($path) && ($path != $this->path))
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$this->path = $path;
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/**
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*
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* Break the URL path into C style argc/argv style arguments for our
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* modules. Given "http://example.com/module/arg1/arg2", $this->argc
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* will be 3 (integer) and $this->argv will contain:
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* [0] => 'module'
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* [1] => 'arg1'
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* [2] => 'arg2'
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*
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*
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* There will always be one argument. If provided a naked domain
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* URL, $this->argv[0] is set to "home".
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*
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*/
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$this->argv = explode('/',$this->cmd);
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$this->argc = count($this->argv);
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if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
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$this->module = $this->argv[0];
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}
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else {
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$this->module = 'home';
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}
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/**
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* Special handling for the webfinger/lrdd host XRD file
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* Just spit out the contents and exit.
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*/
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if($this->cmd === '.well-known/host-meta')
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require_once('include/hostxrd.php');
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/**
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* See if there is any page number information, and initialise
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* pagination
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*/
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$this->pager['page'] = ((x($_GET,'page')) ? $_GET['page'] : 1);
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$this->pager['itemspage'] = 50;
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$this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
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$this->pager['total'] = 0;
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}
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function get_baseurl($ssl = false) {
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if(strlen($this->baseurl))
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return $this->baseurl;
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$this->baseurl = (($ssl) ? 'https' : $this->scheme) . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
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return $this->baseurl;
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}
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function set_baseurl($url) {
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$this->baseurl = $url;
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$this->hostname = basename($url);
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}
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function get_hostname() {
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return $this->hostname;
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}
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function set_hostname($h) {
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$this->hostname = $h;
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}
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function set_path($p) {
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$this->path = trim(trim($p),'/');
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}
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function get_path() {
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return $this->path;
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}
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function set_pager_total($n) {
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$this->pager['total'] = intval($n);
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}
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function set_pager_itemspage($n) {
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$this->pager['itemspage'] = intval($n);
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$this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
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}
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function init_pagehead() {
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$tpl = load_view_file("view/head.tpl");
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$this->page['htmlhead'] = replace_macros($tpl,array(
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'$baseurl' => $this->get_baseurl() . '/'
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));
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}
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function set_curl_code($code) {
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$this->curl_code = $code;
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}
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function get_curl_code() {
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return $this->curl_code;
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}
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function set_curl_headers($headers) {
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$this->curl_headers = $headers;
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}
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function get_curl_headers() {
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return $this->curl_headers;
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}
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}}
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// retrieve the App structure
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// useful in functions which require it but don't get it passed to them
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if(! function_exists('get_app')) {
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function get_app() {
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global $a;
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return $a;
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}};
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// Multi-purpose function to check variable state.
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// Usage: x($var) or $x($array,'key')
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// returns false if variable/key is not set
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// if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
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// e.g. x('') or x(0) returns 0;
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if(! function_exists('x')) {
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function x($s,$k = NULL) {
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if($k != NULL) {
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if((is_array($s)) && (array_key_exists($k,$s))) {
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if($s[$k])
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return (int) 1;
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return (int) 0;
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}
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return false;
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}
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else {
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if(isset($s)) {
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if($s) {
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return (int) 1;
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}
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return (int) 0;
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}
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return false;
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}
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}}
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// called from db initialisation if db is dead.
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if(! function_exists('system_unavailable')) {
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function system_unavailable() {
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include('system_unavailable.php');
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killme();
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}}
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// Primarily involved with database upgrade, but also sets the
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// base url for use in cmdline programs which don't have
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// $_SERVER variables.
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if(! function_exists('check_config')) {
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function check_config(&$a) {
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load_config('system');
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$build = get_config('system','build');
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if(! x($build))
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$build = set_config('system','build',BUILD_ID);
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$url = get_config('system','url');
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if(! x($url))
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$url = set_config('system','url',$a->get_baseurl());
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if($build != BUILD_ID) {
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$stored = intval($build);
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$current = intval(BUILD_ID);
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if(($stored < $current) && file_exists('update.php')) {
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// We're reporting a different version than what is currently installed.
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// Run any existing update scripts to bring the database up to current.
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require_once('update.php');
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for($x = $stored; $x < $current; $x ++) {
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if(function_exists('update_' . $x)) {
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$func = 'update_' . $x;
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$func($a);
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}
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}
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set_config('system','build', BUILD_ID);
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}
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}
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return;
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}}
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// This is our template processor.
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// $s is the string requiring macro substitution.
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// $r is an array of key value pairs (search => replace)
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// returns substituted string.
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// WARNING: this is pretty basic, and doesn't properly handle search strings that are substrings of each other.
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// For instance if 'test' => "foo" and 'testing' => "bar", testing could become either bar or fooing,
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// depending on the order in which they were declared in the array.
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if(! function_exists('replace_macros')) {
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function replace_macros($s,$r) {
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$search = array();
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$replace = array();
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if(is_array($r) && count($r)) {
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foreach ($r as $k => $v ) {
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$search[] = $k;
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$replace[] = $v;
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}
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}
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return str_replace($search,$replace,$s);
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}}
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// load string translation table for alternate language
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if(! function_exists('load_translation_table')) {
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function load_translation_table($lang) {
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global $a;
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if(file_exists("view/$lang/strings.php"))
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include("view/$lang/strings.php");
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}}
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// translate string if translation exists
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if(! function_exists('t')) {
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function t($s) {
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$a = get_app();
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if(x($a->strings,$s))
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return $a->strings[$s];
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return $s;
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}}
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// curl wrapper. If binary flag is true, return binary
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// results.
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if(! function_exists('fetch_url')) {
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function fetch_url($url,$binary = false, &$redirects = 0) {
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$a = get_app();
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$ch = curl_init($url);
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if(($redirects > 8) || (! $ch))
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return false;
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curl_setopt($ch, CURLOPT_HEADER, true);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
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$curl_time = intval(get_config('system','curl_timeout'));
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curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
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// by default we will allow self-signed certs
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// but you can override this
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$check_cert = get_config('system','verifyssl');
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
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$prx = get_config('system','proxy');
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if(strlen($prx)) {
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curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
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curl_setopt($ch, CURLOPT_PROXY, $prx);
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$prxusr = get_config('system','proxyuser');
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if(strlen($prxusr))
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curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
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}
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if($binary)
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curl_setopt($ch, CURLOPT_BINARYTRANSFER,1);
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$a->set_curl_code(0);
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// don't let curl abort the entire application
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// if it throws any errors.
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$s = @curl_exec($ch);
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$http_code = intval(curl_getinfo($ch, CURLINFO_HTTP_CODE));
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$header = substr($s,0,strpos($s,"\r\n\r\n"));
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if(stristr($header,'100') && (strlen($header) < 30)) {
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// 100 Continue has two headers, get the real one
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$s = substr($s,strlen($header)+4);
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$header = substr($s,0,strpos($s,"\r\n\r\n"));
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}
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if($http_code == 301 || $http_code == 302 || $http_code == 303) {
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$matches = array();
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preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
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$url = trim(array_pop($matches));
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$url_parsed = parse_url($url);
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if (isset($url_parsed)) {
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$redirects++;
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return fetch_url($url,$binary,$redirects);
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}
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}
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$a->set_curl_code($http_code);
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$body = substr($s,strlen($header)+4);
|
|
$a->set_curl_headers($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);
|
|
|
|
$curl_time = intval(get_config('system','curl_timeout'));
|
|
curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
|
|
|
|
if(is_array($headers))
|
|
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
|
|
|
|
$check_cert = get_config('system','verifyssl');
|
|
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
|
|
$prx = get_config('system','proxy');
|
|
if(strlen($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);
|
|
|
|
$http_code = intval(curl_getinfo($ch, CURLINFO_HTTP_CODE));
|
|
$header = substr($s,0,strpos($s,"\r\n\r\n"));
|
|
if(stristr($header,'100') && (strlen($header) < 30)) {
|
|
// 100 Continue has two headers, get the real one
|
|
$s = substr($s,strlen($header)+4);
|
|
$header = substr($s,0,strpos($s,"\r\n\r\n"));
|
|
}
|
|
if($http_code == 301 || $http_code == 302 || $http_code == 303) {
|
|
$matches = array();
|
|
preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
|
|
$url = trim(array_pop($matches));
|
|
$url_parsed = parse_url($url);
|
|
if (isset($url_parsed)) {
|
|
$redirects++;
|
|
return post_url($url,$binary,$headers,$redirects);
|
|
}
|
|
}
|
|
$a->set_curl_code($http_code);
|
|
$body = substr($s,strlen($header)+4);
|
|
$a->set_curl_headers($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 = "";
|
|
$register_html = (($register) ? load_view_file("view/register-link.tpl") : "");
|
|
|
|
$noid = get_config('system','no_openid');
|
|
if($noid) {
|
|
$classname = 'no-openid';
|
|
$namelabel = t('Nickname or Email address: ');
|
|
$passlabel = t('Password: ');
|
|
$login = t('Login');
|
|
}
|
|
else {
|
|
$classname = 'openid';
|
|
$namelabel = t('Nickname/Email/OpenID: ');
|
|
$passlabel = t("Password \x28if not OpenID\x29: ");
|
|
$login = t('Login');
|
|
}
|
|
$lostpass = t('Forgot your password?');
|
|
$lostlink = t('Password Reset');
|
|
|
|
if(x($_SESSION,'authenticated')) {
|
|
$tpl = load_view_file("view/logout.tpl");
|
|
}
|
|
else {
|
|
$tpl = load_view_file("view/login.tpl");
|
|
|
|
}
|
|
|
|
$o = replace_macros($tpl,array(
|
|
'$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;
|
|
}}
|
|
|
|
// 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) {
|
|
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,'/');
|
|
$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'];
|
|
$a->config[$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)) {
|
|
$a->config[$family][$key] = $ret[0]['v'];
|
|
return $ret[0]['v'];
|
|
}
|
|
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;
|
|
$a->config[$family][$key] = $value;
|
|
|
|
if(get_config($family,$key,true) === false) {
|
|
$ret = q("INSERT INTO `config` ( `cat`, `k`, `v` ) VALUES ( '%s', '%s', '%s' ) ",
|
|
dbesc($family),
|
|
dbesc($key),
|
|
dbesc($value)
|
|
);
|
|
if($ret)
|
|
return $value;
|
|
return $ret;
|
|
}
|
|
$ret = q("UPDATE `config` SET `v` = '%s' WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
|
|
dbesc($value),
|
|
dbesc($family),
|
|
dbesc($key)
|
|
);
|
|
if($ret)
|
|
return $value;
|
|
return $ret;
|
|
}}
|
|
|
|
|
|
if(! function_exists('get_pconfig')) {
|
|
function get_pconfig($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;
|
|
$a->config[$uid][$family][$key] = $value;
|
|
|
|
if(get_pconfig($uid,$family,$key,true) === false) {
|
|
$ret = q("INSERT INTO `pconfig` ( `uid`, `cat`, `k`, `v` ) VALUES ( %d, '%s', '%s', '%s' ) ",
|
|
intval($uid),
|
|
dbesc($family),
|
|
dbesc($key),
|
|
dbesc($value)
|
|
);
|
|
if($ret)
|
|
return $value;
|
|
return $ret;
|
|
}
|
|
$ret = q("UPDATE `pconfig` SET `v` = '%s' WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
|
|
intval($uid),
|
|
dbesc($value),
|
|
dbesc($family),
|
|
dbesc($key)
|
|
);
|
|
if($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($cat),
|
|
dbesc($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);
|
|
$links = fetch_xrd_links($pxrd);
|
|
if(! count($links)) {
|
|
// try with double slashes
|
|
$pxrd = str_replace('{uri}', urlencode('acct://'.$s), $tpl);
|
|
$links = fetch_xrd_links($pxrd);
|
|
}
|
|
return $links;
|
|
}
|
|
}
|
|
return array();
|
|
}}
|
|
|
|
if(! function_exists('lrdd')) {
|
|
function lrdd($uri) {
|
|
|
|
$a = get_app();
|
|
|
|
if(strstr($uri,'@')) {
|
|
return(webfinger($uri));
|
|
}
|
|
else {
|
|
$html = fetch_url($uri);
|
|
$headers = $a->get_curl_headers();
|
|
$lines = explode("\n",$headers);
|
|
if(count($lines)) {
|
|
foreach($lines as $line) {
|
|
// TODO alter the following regex to support multiple relations (space separated)
|
|
if((stristr($line,'link:')) && preg_match('/<([^>].*)>.*rel\=[\'\"]lrdd[\'\"]/',$line,$matches)) {
|
|
$link = $matches[1];
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if(! isset($link)) {
|
|
// parse the page of the supplied URL looking for rel links
|
|
|
|
require_once('library/HTML5/Parser.php');
|
|
$dom = HTML5_Parser::parse($html);
|
|
|
|
if($dom) {
|
|
$items = $dom->getElementsByTagName('link');
|
|
|
|
foreach($items as $item) {
|
|
$x = $item->getAttribute('rel');
|
|
if($x == "lrdd") {
|
|
$link = $item->getAttribute('href');
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if(isset($link))
|
|
return(fetch_xrd_links($link));
|
|
}
|
|
return array();
|
|
}}
|
|
|
|
|
|
|
|
// Given a host name, locate the LRDD template from that
|
|
// host. Returns the LRDD template or an empty string on
|
|
// error/failure.
|
|
|
|
if(! function_exists('fetch_lrdd_template')) {
|
|
function fetch_lrdd_template($host) {
|
|
$tpl = '';
|
|
$url = 'http://' . $host . '/.well-known/host-meta' ;
|
|
$links = fetch_xrd_links($url);
|
|
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);
|
|
$h = simplexml_load_string($xml);
|
|
$arr = convert_xml_element_to_array($h);
|
|
|
|
if(isset($arr['xrd']['link'])) {
|
|
$link = $arr['xrd']['link'];
|
|
if(! isset($link[0]))
|
|
$links = array($link);
|
|
else
|
|
$links = $link;
|
|
return $links;
|
|
}
|
|
return array();
|
|
}}
|
|
|
|
// Convert an ACL array to a storable string
|
|
|
|
if(! function_exists('perms2str')) {
|
|
function perms2str($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(($h) && (checkdnsrr($h['host'], 'ANY'))) {
|
|
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) && (checkdnsrr($h, 'ANY'))) {
|
|
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,$host)) || ($pat == $host)) {
|
|
$found = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return $found;
|
|
}}
|
|
|
|
// Format the like/dislike text for a profile item
|
|
// $cnt = number of people who like/dislike the item
|
|
// $arr = array of pre-linked names of likers/dislikers
|
|
// $type = one of 'like, 'dislike'
|
|
// $id = item id
|
|
// returns formatted text
|
|
|
|
if(! function_exists('format_like')) {
|
|
function format_like($cnt,$arr,$type,$id) {
|
|
$o = '';
|
|
if($cnt == 1)
|
|
$o .= $arr[0] . (($type === 'like') ? t(' likes this.') : t(' doesn\'t like this.')) . EOL ;
|
|
else {
|
|
$o .= '<span class="fakelink" onclick="openClose(\'' . $type . 'list-' . $id . '\');" >'
|
|
. $cnt . ' ' . t('people') . '</span> ' . (($type === 'like') ? t('like this.') : t('don\'t like this.')) . EOL ;
|
|
$total = count($arr);
|
|
if($total >= MAX_LIKERS)
|
|
$arr = array_slice($arr, 0, MAX_LIKERS - 1);
|
|
if($total < MAX_LIKERS)
|
|
$arr[count($arr)-1] = t('and') . ' ' . $arr[count($arr)-1];
|
|
$str = implode(', ', $arr);
|
|
if($total >= MAX_LIKERS)
|
|
$str .= t(', and ') . $total - MAX_LIKERS . t(' other people');
|
|
$str .= (($type === 'like') ? t(' like this.') : t(' don\'t like this.'));
|
|
$o .= "\t" . '<div id="' . $type . 'list-' . $id . '" style="display: none;" >' . $str . '</div>';
|
|
}
|
|
return $o;
|
|
}}
|
|
|
|
|
|
// wrapper to load a view template, checking for alternate
|
|
// languages before falling back to the default
|
|
|
|
if(! function_exists('load_view_file')) {
|
|
function load_view_file($s) {
|
|
$b = basename($s);
|
|
$d = dirname($s);
|
|
$lang = get_config('system','language');
|
|
if($lang === false)
|
|
$lang = 'en';
|
|
if(file_exists("$d/$lang/$b"))
|
|
return file_get_contents("$d/$lang/$b");
|
|
return file_get_contents($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) {
|
|
$ret = array();
|
|
if(preg_match_all('/([@#][^ \x0D\x0A,:?]*)([ \x0D\x0A,:?]|$)/',$s,$match)) {
|
|
foreach($match[1] as $match) {
|
|
if(strstr($match,"]")) {
|
|
// we might be inside a bbcode color tag - leave it alone
|
|
continue;
|
|
}
|
|
if(substr($match,-1,1) === '.')
|
|
$ret[] = substr($match,0,-1);
|
|
else
|
|
$ret[] = $match;
|
|
}
|
|
}
|
|
|
|
return $ret;
|
|
}}
|
|
|
|
|
|
// quick and dirty quoted_printable encoding
|
|
|
|
if(! function_exists('qp')) {
|
|
function qp($s) {
|
|
return str_replace ("%","=",rawurlencode($s));
|
|
}}
|
|
|
|
|
|
if(! function_exists('like_puller')) {
|
|
function like_puller($a,$item,&$arr,$mode) {
|
|
|
|
$url = '';
|
|
$sparkle = '';
|
|
$verb = (($mode === 'like') ? ACTIVITY_LIKE : ACTIVITY_DISLIKE);
|
|
|
|
if((activity_match($item['verb'],$verb)) && ($item['id'] != $item['parent'])) {
|
|
$url = $item['author-link'];
|
|
if(($item['network'] === 'dfrn') && (! $item['self']) && ($item['author-link'] == $item['url'])) {
|
|
$url = $a->get_baseurl() . '/redir/' . $item['contact-id'];
|
|
$sparkle = ' class="sparkle" ';
|
|
}
|
|
if(! ((isset($arr[$item['parent'] . '-l'])) && (is_array($arr[$item['parent'] . '-l']))))
|
|
$arr[$item['parent'] . '-l'] = array();
|
|
if(! isset($arr[$item['parent']]))
|
|
$arr[$item['parent']] = 1;
|
|
else
|
|
$arr[$item['parent']] ++;
|
|
$arr[$item['parent'] . '-l'][] = '<a href="'. $url . '"'. $sparkle .'>' . $item['author-name'] . '</a>';
|
|
}
|
|
return;
|
|
}}
|
|
|
|
if(! function_exists('get_mentions')) {
|
|
function get_mentions($item) {
|
|
$o = '';
|
|
if(! strlen($item['tag']))
|
|
return $o;
|
|
|
|
$arr = explode(',',$item['tag']);
|
|
foreach($arr as $x) {
|
|
$matches = null;
|
|
if(preg_match('/@\[url=([^\]]*)\]/',$x,$matches))
|
|
$o .= "\t\t" . '<link rel="mentioned" href="' . $matches[1] . '" />' . "\r\n";
|
|
}
|
|
return $o;
|
|
}}
|
|
|
|
if(! function_exists('contact_block')) {
|
|
function contact_block() {
|
|
$o = '';
|
|
$a = get_app();
|
|
if((! is_array($a->profile)) || ($a->profile['hide-friends']))
|
|
return $o;
|
|
$r = q("SELECT COUNT(*) AS `total` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0",
|
|
intval($a->profile['uid'])
|
|
);
|
|
if(count($r)) {
|
|
$total = intval($r[0]['total']);
|
|
}
|
|
if(! $total) {
|
|
$o .= '<h4 class="contact-h4">' . t('No contacts') . '</h4>';
|
|
return $o;
|
|
}
|
|
$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0 ORDER BY RAND() LIMIT 24",
|
|
intval($a->profile['uid'])
|
|
);
|
|
if(count($r)) {
|
|
$o .= '<h4 class="contact-h4">' . $total . ' ' . t('Contacts') . '</h4><div id="contact-block">';
|
|
foreach($r as $rr) {
|
|
$redirect_url = $a->get_baseurl() . '/redir/' . $rr['id'];
|
|
if(local_user() && ($rr['uid'] == local_user())
|
|
&& ($rr['network'] === 'dfrn')) {
|
|
$url = $redirect_url;
|
|
$sparkle = ' sparkle';
|
|
}
|
|
else {
|
|
$url = $rr['url'];
|
|
$sparkle = '';
|
|
}
|
|
|
|
$o .= '<div class="contact-block-div"><a class="contact-block-link' . $sparkle . '" href="' . $url . '" ><img class="contact-block-img' . $sparkle . '" src="' . $rr['micro'] . '" title="' . $rr['name'] . ' [' . $rr['url'] . ']" alt="' . $rr['name'] . '" /></a></div>' . "\r\n";
|
|
}
|
|
$o .= '</div><div id="contact-block-end"></div>';
|
|
$o .= '<div id="viewcontacts"><a id="viewcontacts-link" href="viewcontacts/' . $a->profile['nickname'] . '">' . t('View Contacts') . '</a></div>';
|
|
|
|
}
|
|
return $o;
|
|
|
|
}}
|
|
|
|
if(! function_exists('search')) {
|
|
function search($s) {
|
|
$a = get_app();
|
|
$o = '<div id="search-box">';
|
|
$o .= '<form action="' . $a->get_baseurl() . '/search' . '" method="get" >';
|
|
$o .= '<input type="text" name="search" id="search-text" value="' . $s .'" />';
|
|
$o .= '<input type="submit" name="submit" id="search-submit" value="' . t('Search') . '" />';
|
|
$o .= '</form></div>';
|
|
return $o;
|
|
}}
|
|
|
|
if(! function_exists('valid_email')) {
|
|
function valid_email($x){
|
|
if(preg_match('/^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+$/',$x))
|
|
return true;
|
|
return false;
|
|
}}
|
|
|
|
|
|
if(! function_exists('gravatar_img')) {
|
|
function gravatar_img($email) {
|
|
$size = 175;
|
|
$opt = 'identicon'; // psuedo-random geometric pattern if not found
|
|
$rating = 'pg';
|
|
$hash = md5(trim(strtolower($email)));
|
|
|
|
$url = 'http://www.gravatar.com/avatar/' . $hash . '.jpg'
|
|
. '?s=' . $size . '&d=' . $opt . '&r=' . $rating;
|
|
|
|
logger('gravatar: ' . $email . ' ' . $url);
|
|
return $url;
|
|
}}
|
|
|
|
if(! function_exists('aes_decrypt')) {
|
|
function aes_decrypt($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" >$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( ':-)', ';-)', ':-(', ':(', ':-P', ':-"', ':-x', ':-X', ':-D', '8-|', '8-O'),
|
|
array(
|
|
'<img src="' . $a->get_baseurl() . '/images/smiley-smile.gif" alt=":-)" />',
|
|
'<img src="' . $a->get_baseurl() . '/images/smiley-wink.gif" alt=";-)" />',
|
|
'<img src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":-(" />',
|
|
'<img src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":(" />',
|
|
'<img src="' . $a->get_baseurl() . '/images/smiley-tongue-out.gif" alt=":-P" />',
|
|
'<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-\"" />',
|
|
'<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-x" />',
|
|
'<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-X" />',
|
|
'<img src="' . $a->get_baseurl() . '/images/smiley-laughing.gif" alt=":-D" />',
|
|
'<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-|" />',
|
|
'<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-O" />'
|
|
), $s);
|
|
}}
|
|
|
|
|
|
/**
|
|
*
|
|
* Function : profile_load
|
|
* @parameter App $a
|
|
* @parameter string $nickname
|
|
* @parameter int $profile
|
|
*
|
|
* Summary: Loads a profile into the page sidebar.
|
|
* The function requires a writeable copy of the main App structure, and the nickname
|
|
* of a registered local account.
|
|
*
|
|
* If the viewer is an authenticated remote viewer, the profile displayed is the
|
|
* one that has been configured for his/her viewing in the Contact manager.
|
|
* Passing a non-zero profile ID can also allow a preview of a selected profile
|
|
* by the owner.
|
|
*
|
|
* Profile information is placed in the App structure for later retrieval.
|
|
* Honours the owner's chosen theme for display.
|
|
*
|
|
*/
|
|
|
|
if(! function_exists('profile_load')) {
|
|
function profile_load(&$a, $nickname, $profile = 0) {
|
|
if(remote_user()) {
|
|
$r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
|
|
intval($_SESSION['visitor_id']));
|
|
if(count($r))
|
|
$profile = $r[0]['profile-id'];
|
|
}
|
|
|
|
$r = null;
|
|
|
|
if($profile) {
|
|
$profile_int = intval($profile);
|
|
$r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `user`.* FROM `profile`
|
|
LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
|
|
WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d LIMIT 1",
|
|
dbesc($nickname),
|
|
intval($profile_int)
|
|
);
|
|
}
|
|
if(! count($r)) {
|
|
$r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `user`.* FROM `profile`
|
|
LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
|
|
WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 LIMIT 1",
|
|
dbesc($nickname)
|
|
);
|
|
}
|
|
|
|
if(($r === false) || (! count($r))) {
|
|
notice( t('No profile') . EOL );
|
|
$a->error = 404;
|
|
return;
|
|
}
|
|
|
|
$a->profile = $r[0];
|
|
|
|
|
|
$a->page['title'] = $a->profile['name'];
|
|
$_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;
|
|
|
|
$fullname = '<div class="fn">' . $profile['name'] . '</div>';
|
|
|
|
$tabs = '';
|
|
|
|
$photo = '<div id="profile=photo-wrapper"><img class="photo" src="' . $profile['photo'] . '" alt="' . $profile['name'] . '" /></div>';
|
|
|
|
$connect = (($profile['uid'] != local_user()) ? '<li><a id="dfrn-request-link" href="dfrn_request/' . $profile['nickname'] . '">' . t('Connect') . '</a></li>' : '');
|
|
|
|
if((x($profile,'address') == 1)
|
|
|| (x($profile,'locality') == 1)
|
|
|| (x($profile,'region') == 1)
|
|
|| (x($profile,'postal-code') == 1)
|
|
|| (x($profile,'country-name') == 1))
|
|
$address = true;
|
|
|
|
if($address) {
|
|
$location .= '<div class="location"><span class="location-label">' . t('Location:') . '</span> <div class="adr">';
|
|
$location .= ((x($profile,'address') == 1) ? '<div class="street-address">' . $profile['address'] . '</div>' : '');
|
|
$location .= (((x($profile,'locality') == 1) || (x($profile,'region') == 1) || (x($profile,'postal-code') == 1))
|
|
? '<span class="city-state-zip"><span class="locality">' . $profile['locality'] . '</span>'
|
|
. ((x($profile['locality']) == 1) ? t(', ') : '')
|
|
. '<span class="region">' . $profile['region'] . '</span>'
|
|
. ' <span class="postal-code">' . $profile['postal-code'] . '</span></span>' : '');
|
|
$location .= ((x($profile,'country-name') == 1) ? ' <span class="country-name">' . $profile['country-name'] . '</span>' : '');
|
|
$location .= '</div></div><div class="profile-clear"></div>';
|
|
|
|
}
|
|
|
|
$gender = ((x($profile,'gender') == 1) ? '<div class="mf"><span class="gender-label">' . t('Gender:') . '</span> <span class="x-gender">' . $profile['gender'] . '</span></div><div class="profile-clear"></div>' : '');
|
|
|
|
$pubkey = ((x($profile,'pubkey') == 1) ? '<div class="key" style="display:none;">' . $profile['pubkey'] . '</div>' : '');
|
|
|
|
$marital = ((x($profile,'marital') == 1) ? '<div class="marital"><span class="marital-label"><span class="heart">♥</span> ' . t('Status:') . ' </span><span class="marital-text">' . $profile['marital'] . '</span></div></div><div class="profile-clear"></div>' : '');
|
|
|
|
$homepage = ((x($profile,'homepage') == 1) ? '<div class="homepage"><span class="homepage-label">' . t('Homepage:') . ' </span><span class="homepage-url">' . linkify($profile['homepage']) . '</span></div></div><div class="profile-clear"></div>' : '');
|
|
|
|
$tpl = load_view_file('view/profile_vcard.tpl');
|
|
|
|
$o .= replace_macros($tpl, array(
|
|
'$fullname' => $fullname,
|
|
'$tabs' => $tabs,
|
|
'$photo' => $photo,
|
|
'$connect' => $connect,
|
|
'$location' => $location,
|
|
'$gender' => $gender,
|
|
'$pubkey' => $pubkey,
|
|
'$marital' => $marital,
|
|
'$homepage' => $homepage
|
|
));
|
|
|
|
return $o;
|
|
}}
|
|
|
|
|
|
if(! function_exists('register_hook')) {
|
|
function register_hook($hook,$file,$function) {
|
|
|
|
$r = q("INSERT INTO `hook` (`hook`, `file`, `function`) VALUES ( '%s', '%s', '%s' ) ",
|
|
dbesc($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();
|
|
$r = q("SELECT * FROM `hook` WHERE 1");
|
|
if(count($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[0] === $name) {
|
|
@require_once($hook[1]);
|
|
if(function_exists($hook[2])) {
|
|
$func = $hook[2];
|
|
$func($a,$data);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}}
|
|
|