mexon/friendica
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friendica/boot.php

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<?php
set_time_limit(0);
define ( 'FRIENDIKA_VERSION', '2.1.921' );
define ( 'DFRN_PROTOCOL_VERSION', '2.1' );
define ( 'DB_UPDATE_VERSION', 1043 );
define ( 'EOL', "<br />\r\n" );
define ( 'ATOM_TIME', 'Y-m-d\TH:i:s\Z' );
define ( 'DOWN_ARROW', '&#x21e9;' );
/**
* 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);
define ( 'REL_FAN', 2);
define ( 'REL_BUD', 3);
/**
* Hook array order
*/
define ( 'HOOK_HOOK', 0);
define ( 'HOOK_FILE', 1);
define ( 'HOOK_FUNCTION', 2);
/**
*
* page/profile types
*
* PAGE_NORMAL is a typical personal profile account
* PAGE_SOAPBOX automatically approves all friend requests as REL_FAN, (readonly)
* PAGE_COMMUNITY automatically approves all friend requests as REL_FAN, but with
* write access to wall and comments (no email and not included in page owner's ACL lists)
* PAGE_FREELOVE automatically approves all friend requests as full friends (REL_BUD).
*
*/
define ( 'PAGE_NORMAL', 0 );
define ( 'PAGE_SOAPBOX', 1 );
define ( 'PAGE_COMMUNITY', 2 );
define ( 'PAGE_FREELOVE', 3 );
/**
* Maximum number of "people who like (or don't like) this" that we will list by name
*/
define ( 'MAX_LIKERS', 75);
/**
* 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_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' );
/**
* 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' );
/**
* 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
*
*/
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 $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 = '';
$this->scheme = ((isset($_SERVER['HTTPS']) && ($_SERVER['HTTPS'])) ? 'https' : 'http' );
if(x($_SERVER,'SERVER_NAME')) {
$this->hostname = $_SERVER['SERVER_NAME'];
/**
* Figure out if we are running at the top of a domain
* or in a sub-directory and adjust accordingly
*/
$path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
if(isset($path) && strlen($path) && ($path != $this->path))
$this->path = $path;
}
set_include_path("include/$this->hostname" . PATH_SEPARATOR . 'include' . PATH_SEPARATOR . '.' );
if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=")
$this->query_string = substr($_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 = $this->argv[0];
}
else {
$this->module = 'home';
}
/**
* Special handling for the webfinger/lrdd host XRD file
* Just spit out the contents and exit.
*/
if($this->cmd === '.well-known/host-meta') {
require_once('include/hostxrd.php');
hostxrd($this->hostname);
// NOTREACHED
}
/**
* See if there is any page number information, and initialise
* pagination
*/
$this->pager['page'] = ((x($_GET,'page')) ? $_GET['page'] : 1);
$this->pager['itemspage'] = 50;
$this->pager['start'] = ($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 = load_view_file("view/head.tpl");
$this->page['htmlhead'] = replace_macros($tpl,array(
'$baseurl' => $this->get_baseurl() . '/',
'$generator' => 'Friendika' . ' ' . FRIENDIKA_VERSION
));
}
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();
}}
// 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) {
load_config('system');
if(! x($_SERVER,'SERVER_NAME'))
return;
$build = get_config('system','build');
if(! x($build))
$build = set_config('system','build',DB_UPDATE_VERSION);
$url = get_config('system','url');
if(! x($url))
$url = set_config('system','url',$a->get_baseurl());
if($build != DB_UPDATE_VERSION) {
$stored = intval($build);
$current = intval(DB_UPDATE_VERSION);
if(($stored < $current) && file_exists('update.php')) {
// We're reporting a different version than what is currently installed.
// Run any existing update scripts to bring the database up to current.
require_once('update.php');
for($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)) {
logger("Addons: uninstalling " . $i['name']);
q("DELETE FROM `addon` WHERE `id` = %d LIMIT 1",
intval($i['id'])
);
@include_once('addon/' . $i['name'] . '/' . $i['name'] . '.php');
if(function_exists($i['name'] . '_uninstall')) {
$func = $i['name'] . '_uninstall';
$func();
}
}
else
$installed_arr[] = $i['name'];
}
}
if(count($plugins_arr)) {
foreach($plugins_arr as $p) {
if(! in_array($p,$installed_arr)) {
logger("Addons: installing " . $p);
$t = filemtime('addon/' . $p . '/' . $p . '.php');
@include_once('addon/' . $p . '/' . $p . '.php');
if(function_exists($p . '_install')) {
$func = $p . '_install';
$func();
$r = q("INSERT INTO `addon` (`name`, `installed`, `timestamp`) VALUES ( '%s', 1, %d ) ",
dbesc($p),
intval($t)
);
}
}
}
}
load_hooks();
return;
}}
// reload all updated plugins
if(! function_exists('reload_plugins')) {
function reload_plugins() {
$plugins = get_config('system','addon');
if(strlen($plugins)) {
$r = q("SELECT * FROM `addon` WHERE `installed` = 1");
if(count($r))
$installed = $r;
else
$installed = array();
$parr = explode(',',$plugins);
if(count($parr)) {
foreach($parr as $pl) {
$pl = trim($pl);
$t = filemtime('addon/' . $pl . '/' . $pl . '.php');
foreach($installed as $i) {
if(($i['name'] == $pl) && ($i['timestamp'] != $t)) {
logger('Reloading plugin: ' . $i['name']);
@include_once('addon/' . $pl . '/' . $pl . '.php');
if(function_exists($pl . '_uninstall')) {
$func = $pl . '_uninstall';
$func();
}
if(function_exists($pl . '_install')) {
$func = $pl . '_install';
$func();
}
q("UPDATE `addon` SET `timestamp` = %d WHERE `id` = %d LIMIT 1",
intval($t),
intval($i['id'])
);
}
}
}
}
}
}}
// This is our template processor.
// $s is the string requiring macro substitution.
// $r is an array of key value pairs (search => replace)
// returns substituted string.
// WARNING: this is pretty basic, and doesn't properly handle search strings that are substrings of each other.
// For instance if 'test' => "foo" and 'testing' => "bar", testing could become either bar or fooing,
// depending on the order in which they were declared in the array.
if(! function_exists('replace_macros')) {
function replace_macros($s,$r) {
$search = array();
$replace = array();
if(is_array($r) && count($r)) {
foreach ($r as $k => $v ) {
$search[] = $k;
$replace[] = $v;
}
}
return str_replace($search,$replace,$s);
}}
// 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);
$curl_time = intval(get_config('system','curl_timeout'));
curl_setopt($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);
$http_code = intval(curl_getinfo($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)) {
$redirects++;
return fetch_url($url,$binary,$redirects);
}
}
$a->set_curl_code($http_code);
$body = substr($s,strlen($header)+4);
/* one more try to make sure there are no more headers */
if(strpos($body,'HTTP/') === 0) {
$header = substr($body,0,strpos($body,"\r\n\r\n"));
$body = substr($body,strlen($header)+4);
}
$a->set_curl_headers($header);
curl_close($ch);
return($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($header)+4);
/* one more try to make sure there are no more headers */
if(strpos($body,'HTTP/') === 0) {
$header = substr($body,0,strpos($body,"\r\n\r\n"));
$body = substr($body,strlen($header)+4);
}
$a->set_curl_headers($header);
curl_close($ch);
return($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) ? load_view_file("view/register-link.tpl") : "");
$register_html = replace_macros($register_tpl,array(
'$title' => t('Create a New Account'),
'$desc' => t('Register')
));
$noid = get_config('system','no_openid');
if($noid) {
$classname = 'no-openid';
$namelabel = t('Nickname or Email address: ');
$passlabel = t('Password: ');
$login = t('Login');
}
else {
$classname = 'openid';
$namelabel = t('Nickname/Email/OpenID: ');
$passlabel = t("Password \x28if not OpenID\x29: ");
$login = t('Login');
}
$lostpass = t('Forgot your password?');
$lostlink = t('Password Reset');
if(local_user()) {
$tpl = load_view_file("view/logout.tpl");
}
else {
$tpl = load_view_file("view/login.tpl");
}
$o = replace_macros($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;
}}
// 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 .= '&amp;';
break;
case "'" :
$buffer .= '&apos;';
break;
case "\"" :
$buffer .= '&quot;';
break;
case '<' :
$buffer .= '&lt;';
break;
case '>' :
$buffer .= '&gt;';
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('&amp;','&', $s);
$ret = str_replace(array('&lt;','&gt;','&quot;','&apos;'),array('<','>','"',"'"),$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,'/');
$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) ? '&nbsp;'.$i : $i);
else
$o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? '&nbsp;'.$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) ? '&nbsp;'.$i : $i);
else
$o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? '&nbsp;'.$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 $a;
if(get_config($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)
);
$a->config[$family][$key] = $value;
if($ret)
return $value;
return $ret;
}}
if(! function_exists('load_pconfig')) {
function load_pconfig($uid,$family) {
global $a;
$r = q("SELECT * FROM `pconfig` WHERE `cat` = '%s' AND `uid` = %d",
dbesc($family),
intval($uid)
);
if(count($r)) {
foreach($r as $rr) {
$k = $rr['k'];
$a->config[$uid][$family][$k] = $rr['v'];
}
}
}}
if(! function_exists('get_pconfig')) {
function get_pconfig($uid,$family, $key, $instore = false) {
global $a;
if(! $instore) {
if(isset($a->config[$uid][$family][$key])) {
if($a->config[$uid][$family][$key] === '!<unset>!') {
return false;
}
return $a->config[$uid][$family][$key];
}
}
$ret = q("SELECT `v` FROM `pconfig` WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
intval($uid),
dbesc($family),
dbesc($key)
);
if(count($ret)) {
$a->config[$uid][$family][$key] = $ret[0]['v'];
return $ret[0]['v'];
}
else {
$a->config[$uid][$family][$key] = '!<unset>!';
}
return false;
}}
if(! function_exists('del_config')) {
function del_config($family,$key) {
global $a;
if(x($a->config[$family],$key))
unset($a->config[$family][$key]);
$ret = q("DELETE FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
dbesc($cat),
dbesc($key)
);
return $ret;
}}
// Same as above functions except these are for personal config storage and take an
// additional $uid argument.
if(! function_exists('set_pconfig')) {
function set_pconfig($uid,$family,$key,$value) {
global $a;
if(get_pconfig($uid,$family,$key,true) === false) {
$ret = q("INSERT INTO `pconfig` ( `uid`, `cat`, `k`, `v` ) VALUES ( %d, '%s', '%s', '%s' ) ",
intval($uid),
dbesc($family),
dbesc($key),
dbesc($value)
);
if($ret)
return $value;
return $ret;
}
$ret = q("UPDATE `pconfig` SET `v` = '%s' WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
dbesc($value),
intval($uid),
dbesc($family),
dbesc($key)
);
$a->config[$uid][$family][$key] = $value;
if($ret)
return $value;
return $ret;
}}
if(! function_exists('del_pconfig')) {
function del_pconfig($uid,$family,$key) {
global $a;
if(x($a->config[$uid][$family],$key))
unset($a->config[$uid][$family][$key]);
$ret = q("DELETE FROM `pconfig` WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
intval($uid),
dbesc($family),
dbesc($key)
);
return $ret;
}}
// convert an XML document to a normalised, case-corrected array
// used by webfinger
if(! function_exists('convert_xml_element_to_array')) {
function convert_xml_element_to_array($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);
$h = simplexml_load_string($xml);
$arr = convert_xml_element_to_array($h);
if(isset($arr['xrd']['property'])) {
$property = $arr['crd']['property'];
if(! isset($property[0]))
$properties = array($property);
else
$properties = $property;
foreach($properties as $prop)
if((string) $prop['@attributes'] === 'http://lrdd.net/priority/resource')
$priority = 'resource';
}
// save the links in case we need them
$links = array();
if(isset($arr['xrd']['link'])) {
$link = $arr['xrd']['link'];
if(! isset($link[0]))
$links = array($link);
else
$links = $link;
}
// do we have a template or href?
if(count($links)) {
foreach($links as $link) {
if($link['@attributes']['rel'] && attribute_contains($link['@attributes']['rel'],'lrdd')) {
if(x($link['@attributes'],'template'))
$tpl = $link['@attributes']['template'];
elseif(x($link['@attributes'],'href'))
$href = $link['@attributes']['href'];
}
}
}
if((! isset($tpl)) || (! strpos($tpl,'{uri}')))
$tpl = '';
if($priority === 'host') {
if(strlen($tpl))
$pxrd = str_replace('{uri}', urlencode($uri), $tpl);
elseif(isset($href))
$pxrd = $href;
if(isset($pxrd)) {
logger('lrdd: (host priority) pxrd: ' . $pxrd);
$links = fetch_xrd_links($pxrd);
return $links;
}
$lines = explode("\n",$headers);
if(count($lines)) {
foreach($lines as $line) {
if((stristr($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);
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 = '';
$url = 'http://' . $host . '/.well-known/host-meta' ;
$links = fetch_xrd_links($url);
logger('template: ' . print_r($links,true));
if(count($links)) {
foreach($links as $link)
if($link['@attributes']['rel'] && $link['@attributes']['rel'] === 'lrdd')
$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);
$links = array();
if(isset($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;
}}
// 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)
$o .= (($type === 'like') ? sprintf( t('%s likes this.'), $arr[0]) : sprintf( t('%s doesn\'t like this.'), $arr[0])) . EOL ;
else {
$spanatts = 'class="fakelink" onclick="openClose(\'' . $type . 'list-' . $id . '\');"';
$o .= (($type === 'like') ?
sprintf( t('<span %1$s>%2$d people</span> like this.'), $spanatts, $cnt)
:
sprintf( t('<span %1$s>%2$d people</span> don\'t like this.'), $spanatts, $cnt) );
$o .= 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 .= sprintf( t(', and %d other people'), $total - MAX_LIKERS );
$str = (($type === 'like') ? sprintf( t('%s like this.'), $str) : sprintf( t('%s don\'t like this.'), $str));
$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();
// ignore anything in a code block
$s = preg_replace('/\[code\](.*?)\[\/code\]/sm','',$s);
if(preg_match_all('/([@#][^ \x0D\x0A,:?]+)([ \x0D\x0A,:?]|$)/',$s,$match)) {
foreach($match[1] as $match) {
if(strstr($match,"]")) {
// we might be inside a bbcode color tag - leave it alone
continue;
}
if(substr($match,-1,1) === '.')
$ret[] = substr($match,0,-1);
else
$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((local_user()) && (local_user() == $item['uid']) && ($item['network'] === 'dfrn') && (! $item['self']) && (link_compare($item['author-link'],$item['url']))) {
$url = $a->get_baseurl() . '/redir/' . $item['contact-id'];
$sparkle = ' class="sparkle" ';
}
if(! ((isset($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";
$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">' . $total . ' ' . t('Contacts') . '</h4><div id="contact-block">';
foreach($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>';
}
$arr = array('contacts' => $r, 'output' => $o);
call_hooks('contact_block_end', $arr);
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" target="external-link">$1</a>', $s);
return($s);
}}
/**
*
* Function: smilies
*
* Description:
* Replaces text emoticons with graphical images
*
* @Parameter: string $s
*
* Returns string
*/
if(! function_exists('smilies')) {
function smilies($s) {
$a = get_app();
return str_replace(
array( '&lt;3', '&lt;/3', '&lt;\\3', ':-)', ';-)', ':-(', ':(', ':-P', ':-"', ':-x', ':-X', ':-D', '8-|', '8-O'),
array(
'<img src="' . $a->get_baseurl() . '/images/smiley-heart.gif" alt="<3" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-brokenheart.gif" alt="</3" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-brokenheart.gif" alt="<\\3" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-smile.gif" alt=":-)" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-wink.gif" alt=";-)" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":-(" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":(" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-tongue-out.gif" alt=":-P" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-\"" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-x" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-X" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-laughing.gif" alt=":-D" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-|" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-O" />'
), $s);
}}
/**
*
* Function : profile_load
* @parameter App $a
* @parameter string $nickname
* @parameter int $profile
*
* Summary: Loads a profile into the page sidebar.
* The function requires a writeable copy of the main App structure, and the nickname
* of a registered local account.
*
* If the viewer is an authenticated remote viewer, the profile displayed is the
* one that has been configured for his/her viewing in the Contact manager.
* Passing a non-zero profile ID can also allow a preview of a selected profile
* by the owner.
*
* Profile information is placed in the App structure for later retrieval.
* Honours the owner's chosen theme for display.
*
*/
if(! function_exists('profile_load')) {
function profile_load(&$a, $nickname, $profile = 0) {
if(remote_user()) {
$r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
intval($_SESSION['visitor_id']));
if(count($r))
$profile = $r[0]['profile-id'];
}
$r = null;
if($profile) {
$profile_int = intval($profile);
$r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `user`.* FROM `profile`
LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d LIMIT 1",
dbesc($nickname),
intval($profile_int)
);
}
if(! count($r)) {
$r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `user`.* FROM `profile`
LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 LIMIT 1",
dbesc($nickname)
);
}
if(($r === false) || (! count($r))) {
notice( t('No profile') . EOL );
$a->error = 404;
return;
}
$a->profile = $r[0];
$a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
$_SESSION['theme'] = $a->profile['theme'];
if(! (x($a->page,'aside')))
$a->page['aside'] = '';
$a->page['aside'] .= profile_sidebar($a->profile);
$a->page['aside'] .= contact_block();
return;
}}
/**
*
* Function: profile_sidebar
*
* Formats a profile for display in the sidebar.
* It is very difficult to templatise the HTML completely
* because of all the conditional logic.
*
* @parameter: array $profile
*
* Returns HTML string stuitable for sidebar inclusion
* Exceptions: Returns empty string if passed $profile is wrong type or not populated
*
*/
if(! function_exists('profile_sidebar')) {
function profile_sidebar($profile) {
$o = '';
$location = '';
$address = false;
if((! is_array($profile)) && (! count($profile)))
return $o;
call_hooks('profile_sidebar_enter', $profile);
$fullname = '<div class="fn">' . $profile['name'] . '</div>';
$pdesc = '<div class="title">' . $profile['pdesc'] . '</div>';
$tabs = '';
$photo = '<div id="profile-photo-wrapper"><img class="photo" src="' . $profile['photo'] . '" alt="' . $profile['name'] . '" /></div>';
$connect = (($profile['uid'] != local_user()) ? '<li><a id="dfrn-request-link" href="dfrn_request/' . $profile['nickname'] . '">' . t('Connect') . '</a></li>' : '');
if((x($profile,'address') == 1)
|| (x($profile,'locality') == 1)
|| (x($profile,'region') == 1)
|| (x($profile,'postal-code') == 1)
|| (x($profile,'country-name') == 1))
$address = true;
if($address) {
$location .= '<div class="location"><span class="location-label">' . t('Location:') . '</span> <div class="adr">';
$location .= ((x($profile,'address') == 1) ? '<div class="street-address">' . $profile['address'] . '</div>' : '');
$location .= (((x($profile,'locality') == 1) || (x($profile,'region') == 1) || (x($profile,'postal-code') == 1))
? '<span class="city-state-zip"><span class="locality">' . $profile['locality'] . '</span>'
. ((x($profile['locality']) == 1) ? t(', ') : '')
. '<span class="region">' . $profile['region'] . '</span>'
. ' <span class="postal-code">' . $profile['postal-code'] . '</span></span>' : '');
$location .= ((x($profile,'country-name') == 1) ? ' <span class="country-name">' . $profile['country-name'] . '</span>' : '');
$location .= '</div></div><div class="profile-clear"></div>';
}
$gender = ((x($profile,'gender') == 1) ? '<div class="mf"><span class="gender-label">' . t('Gender:') . '</span> <span class="x-gender">' . $profile['gender'] . '</span></div><div class="profile-clear"></div>' : '');
$pubkey = ((x($profile,'pubkey') == 1) ? '<div class="key" style="display:none;">' . $profile['pubkey'] . '</div>' : '');
$marital = ((x($profile,'marital') == 1) ? '<div class="marital"><span class="marital-label"><span class="heart">&hearts;</span> ' . t('Status:') . ' </span><span class="marital-text">' . $profile['marital'] . '</span></div></div><div class="profile-clear"></div>' : '');
$homepage = ((x($profile,'homepage') == 1) ? '<div class="homepage"><span class="homepage-label">' . t('Homepage:') . ' </span><span class="homepage-url">' . linkify($profile['homepage']) . '</span></div></div><div class="profile-clear"></div>' : '');
$tpl = load_view_file('view/profile_vcard.tpl');
$o .= replace_macros($tpl, array(
'$fullname' => $fullname,
'$pdesc' => $pdesc,
'$tabs' => $tabs,
'$photo' => $photo,
'$connect' => $connect,
'$location' => $location,
'$gender' => $gender,
'$pubkey' => $pubkey,
'$marital' => $marital,
'$homepage' => $homepage
));
$arr = array('profile' => $profile, 'entry' => $o);
call_hooks('profile_sidebar', $arr);
return $o;
}}
if(! function_exists('register_hook')) {
function register_hook($hook,$file,$function) {
$r = q("SELECT * FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
dbesc($hook),
dbesc($file),
dbesc($function)
);
if(count($r))
return true;
$r = q("INSERT INTO `hook` (`hook`, `file`, `function`) VALUES ( '%s', '%s', '%s' ) ",
dbesc($hook),
dbesc($file),
dbesc($function)
);
return $r;
}}
if(! function_exists('unregister_hook')) {
function unregister_hook($hook,$file,$function) {
$r = q("DELETE FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
dbesc($hook),
dbesc($file),
dbesc($function)
);
return $r;
}}
if(! function_exists('load_hooks')) {
function load_hooks() {
$a = get_app();
$a->hooks = array();
$r = q("SELECT * FROM `hook` WHERE 1");
if(count($r)) {
foreach($r as $rr) {
$a->hooks[] = array($rr['hook'], $rr['file'], $rr['function']);
}
}
}}
if(! function_exists('call_hooks')) {
function call_hooks($name, &$data = null) {
$a = get_app();
if(count($a->hooks)) {
foreach($a->hooks as $hook) {
if($hook[HOOK_HOOK] === $name) {
@include_once($hook[HOOK_FILE]);
if(function_exists($hook[HOOK_FUNCTION])) {
$func = $hook[HOOK_FUNCTION];
$func($a,$data);
}
}
}
}
}}
if(! function_exists('day_translate')) {
function day_translate($s) {
$ret = str_replace(array('Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday'),
array( t('Monday'), t('Tuesday'), t('Wednesday'), t('Thursday'), t('Friday'), t('Saturday'), t('Sunday')),
$s);
$ret = str_replace(array('January','February','March','April','May','June','July','August','September','October','November','December'),
array( t('January'), t('February'), t('March'), t('April'), t('May'), t('June'), t('July'), t('August'), t('September'), t('October'), t('November'), t('December')),
$ret);
return $ret;
}}
if(! function_exists('get_birthdays')) {
function get_birthdays() {
$a = get_app();
$o = '';
if(! local_user())
return $o;
$bd_format = get_config('system','birthday_format');
if(! $bd_format)
$bd_format = 'g A l F d' ; // 8 AM Friday January 18
$r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
ORDER BY `start` DESC ",
intval(local_user()),
dbesc(datetime_convert('UTC','UTC','now + 6 days')),
dbesc(datetime_convert('UTC','UTC','now'))
);
if($r && count($r)) {
$total = 0;
foreach($r as $rr)
if(strlen($rr['name']))
$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 $o;
}}
/**
*
* Compare two URLs to see if they are the same, but ignore
* slight but hopefully insignificant differences such as if one
* is https and the other isn't, or if one is www.something and
* the other isn't - and also ignore case differences.
*
* Return true if the URLs match, otherwise false.
*
*/
if(! function_exists('link_compare')) {
function link_compare($a,$b) {
$a1 = str_replace(array('https:','//www.'), array('http:','//'), $a);
$b1 = str_replace(array('https:','//www.'), array('http:','//'), $b);
if(strcasecmp($a1,$b1) === 0)
return true;
return false;
}}
if(! function_exists('prepare_body')) {
function prepare_body($item) {
return prepare_text($item['body']);
}}
if(! function_exists('prepare_text')) {
function prepare_text($text) {
require_once('include/bbcode.php');
$s = smilies(bbcode($text));
return $s;
}}
/**
*
* Wrap calls to proc_close(proc_open()) and call hook
* so plugins can take part in process :)
*
* args:
* $cmd program to run
* next args are passed as $cmd command line
*
* e.g.: proc_run("ls","-la","/tmp");
*
* $cmd and string args are surrounded with ""
*/
if(! function_exists('proc_run')) {
function proc_run($cmd){
$a = get_app();
$args = func_get_args();
call_hooks("proc_run", $args);
if(count($args) && $args[0] === 'php')
$args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
foreach ($args as $arg){
$arg = escapeshellarg($arg);
}
$cmdline = implode($args," ");
proc_close(proc_open($cmdline." &",array(),$foo));
}}
/*
* Return full URL to theme which is currently in effect.
* Provide a sane default if nothing is chosen or the specified theme does not exist.
*/
if(! function_exists('current_theme_url')) {
function current_theme_url() {
$app_base_themes = array('duepuntozero', 'loozah');
$a = get_app();
$system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
$theme_name = ((x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
if($theme_name && file_exists('view/theme/' . $theme_name . '/style.css'))
return($a->get_baseurl() . '/view/theme/' . $theme_name . '/style.css');
foreach($app_base_themes as $t) {
if(file_exists('view/theme/' . $t . '/style.css'))
return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
}
$fallback = glob('view/theme/*/style.css');
if(count($fallback))
return($a->get_baseurl() . $fallback[0]);
}}
if(! function_exists('feed_birthday')) {
function feed_birthday($uid,$tz) {
/**
*
* Determine the next birthday, but only if the birthday is published
* in the default profile. We _could_ also look for a private profile that the
* recipient can see, but somebody could get mad at us if they start getting
* public birthday greetings when they haven't made this info public.
*
* Assuming we are able to publish this info, we are then going to convert
* the start time from the owner's timezone to UTC.
*
* This will potentially solve the problem found with some social networks
* where birthdays are converted to the viewer's timezone and salutations from
* elsewhere in the world show up on the wrong day. We will convert it to the
* viewer's timezone also, but first we are going to convert it from the birthday
* person's timezone to GMT - so the viewer may find the birthday starting at
* 6:00PM the day before, but that will correspond to midnight to the birthday person.
*
*/
$birthday = '';
$p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
intval($uid)
);
if($p && count($p)) {
$tmp_dob = substr($p[0]['dob'],5);
if(intval($tmp_dob)) {
$y = datetime_convert($tz,$tz,'now','Y');
$bd = $y . '-' . $tmp_dob . ' 00:00';
$t_dob = strtotime($bd);
$now = strtotime(datetime_convert($tz,$tz,'now'));
if($t_dob < $now)
$bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
$birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
}
}
return $birthday;
}}
/**
* return atom link elements for all of our hubs
*/
if(! function_exists('feed_hublinks')) {
function feed_hublinks() {
$hub = get_config('system','huburl');
$hubxml = '';
if(strlen($hub)) {
$hubs = explode(',', $hub);
if(count($hubs)) {
foreach($hubs as $h) {
$h = trim($h);
if(! strlen($h))
continue;
$hubxml .= '<link rel="hub" href="' . xmlify($h) . '" />' . "\n" ;
}
}
}
return $hubxml;
}}
/* return atom link elements for salmon endpoints */
if(! function_exists('feed_salmonlinks')) {
function feed_salmonlinks($nick) {
$a = get_app();
$salmon = '<link rel="salmon" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
// old style links that status.net still needed as of 12/2010
$salmon .= ' <link rel="http://salmon-protocol.org/ns/salmon-replies" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
$salmon .= ' <link rel="http://salmon-protocol.org/ns/salmon-mention" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
return $salmon;
}}
if(! function_exists('get_plink')) {
function get_plink($item) {
$a = get_app();
$plink = (((x($item,'plink')) && (! $item['private'])) ? '<div class="wall-item-links-wrapper"><a href="'
. $item['plink'] . '" title="' . t('link to source') . '" target="external-link" ><img src="' . $a->get_baseurl() . '/images/remote-link.gif" alt="' . t('link to source') . '" /></a></div>' : '');
return $plink;
}}
if(! function_exists('unamp')) {
function unamp($s) {
return str_replace('&amp;', '&', $s);
}}
if(! function_exists('extract_item_authors')) {
function extract_item_authors($arr,$uid) {
if((! $uid) || (! is_array($arr)) || (! count($arr)))
return array();
$urls = array();
foreach($arr as $rr) {
if(! in_array("'" . dbesc($rr['author-link']) . "'",$urls))
$urls[] = "'" . dbesc($rr['author-link']) . "'";
}
// pre-quoted, don't put quotes on %s
if(count($urls)) {
$r = q("SELECT `id`,`url` FROM `contact` WHERE `uid` = %d AND `url` IN ( %s ) AND `network` = 'dfrn' AND `self` = 0 AND `blocked` = 0 ",
intval($uid),
implode(',',$urls)
);
if(count($r)) {
$ret = array();
foreach($r as $rr)
$ret[$rr['url']] = $rr['id'];
return $ret;
}
}
return array();
}}
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