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friendica-github/boot.php

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<?php
require_once('include/config.php');
require_once('include/network.php');
require_once('include/plugin.php');
require_once('include/text.php');
require_once('include/datetime.php');
require_once('include/pgettext.php');
require_once('include/nav.php');
require_once('include/cache.php');
require_once('library/Mobile_Detect/Mobile_Detect.php');
require_once('include/features.php');
require_once('include/identity.php');
require_once('update.php');
require_once('include/dbstructure.php');
define ( 'FRIENDICA_PLATFORM', 'Friendica');
define ( 'FRIENDICA_CODENAME', 'Lily of the valley');
define ( 'FRIENDICA_VERSION', '3.4.1' );
define ( 'DFRN_PROTOCOL_VERSION', '2.23' );
define ( 'DB_UPDATE_VERSION', 1187 );
define ( 'EOL', "<br />\r\n" );
define ( 'ATOM_TIME', 'Y-m-d\TH:i:s\Z' );
/**
*
* Image storage quality. Lower numbers save space at cost of image detail.
* For ease of upgrade, please do not change here. Change jpeg quality with
* $a->config['system']['jpeg_quality'] = n;
* in .htconfig.php, where n is netween 1 and 100, and with very poor results
* below about 50
*
*/
define ( 'JPEG_QUALITY', 100 );
/**
* $a->config['system']['png_quality'] from 0 (uncompressed) to 9
*/
define ( 'PNG_QUALITY', 8 );
/**
*
* An alternate way of limiting picture upload sizes. Specify the maximum pixel
* length that pictures are allowed to be (for non-square pictures, it will apply
* to the longest side). Pictures longer than this length will be resized to be
* this length (on the longest side, the other side will be scaled appropriately).
* Modify this value using
*
* $a->config['system']['max_image_length'] = n;
*
* in .htconfig.php
*
* If you don't want to set a maximum length, set to -1. The default value is
* defined by 'MAX_IMAGE_LENGTH' below.
*
*/
define ( 'MAX_IMAGE_LENGTH', -1 );
/**
* Not yet used
*/
define ( 'DEFAULT_DB_ENGINE', 'MyISAM' );
/**
* 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
*/
define ( 'CONTACT_IS_FOLLOWER', 1);
define ( 'CONTACT_IS_SHARING', 2);
define ( 'CONTACT_IS_FRIEND', 3);
/**
* DB update return values
*/
define ( 'UPDATE_SUCCESS', 0);
define ( 'UPDATE_FAILED', 1);
/**
*
* page/profile types
*
* PAGE_NORMAL is a typical personal profile account
* PAGE_SOAPBOX automatically approves all friend requests as CONTACT_IS_SHARING, (readonly)
* PAGE_COMMUNITY automatically approves all friend requests as CONTACT_IS_SHARING, 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 (CONTACT_IS_FRIEND).
*
*/
define ( 'PAGE_NORMAL', 0 );
define ( 'PAGE_SOAPBOX', 1 );
define ( 'PAGE_COMMUNITY', 2 );
define ( 'PAGE_FREELOVE', 3 );
define ( 'PAGE_BLOG', 4 );
define ( 'PAGE_PRVGROUP', 5 );
// Type of the community page
define ( 'CP_NO_COMMUNITY_PAGE', -1 );
define ( 'CP_USERS_ON_SERVER', 0 );
define ( 'CP_GLOBAL_COMMUNITY', 1 );
/**
* Network and protocol family types
*/
define ( 'NETWORK_DFRN', 'dfrn'); // Friendica, Mistpark, other DFRN implementations
define ( 'NETWORK_ZOT', 'zot!'); // Zot!
define ( 'NETWORK_OSTATUS', 'stat'); // status.net, identi.ca, GNU-social, other OStatus implementations
define ( 'NETWORK_FEED', 'feed'); // RSS/Atom feeds with no known "post/notify" protocol
define ( 'NETWORK_DIASPORA', 'dspr'); // Diaspora
define ( 'NETWORK_MAIL', 'mail'); // IMAP/POP
define ( 'NETWORK_MAIL2', 'mai2'); // extended IMAP/POP
define ( 'NETWORK_FACEBOOK', 'face'); // Facebook API
define ( 'NETWORK_LINKEDIN', 'lnkd'); // LinkedIn
define ( 'NETWORK_XMPP', 'xmpp'); // XMPP
define ( 'NETWORK_MYSPACE', 'mysp'); // MySpace
define ( 'NETWORK_GPLUS', 'goog'); // Google+
define ( 'NETWORK_PUMPIO', 'pump'); // pump.io
define ( 'NETWORK_TWITTER', 'twit'); // Twitter
define ( 'NETWORK_DIASPORA2', 'dspc'); // Diaspora connector
define ( 'NETWORK_STATUSNET', 'stac'); // Statusnet connector
define ( 'NETWORK_APPNET', 'apdn'); // app.net
define ( 'NETWORK_PHANTOM', 'unkn'); // Place holder
/**
* These numbers are used in stored permissions
* and existing allocations MUST NEVER BE CHANGED
* OR RE-ASSIGNED! You may only add to them.
*/
$netgroup_ids = array(
NETWORK_DFRN => (-1),
NETWORK_ZOT => (-2),
NETWORK_OSTATUS => (-3),
NETWORK_FEED => (-4),
NETWORK_DIASPORA => (-5),
NETWORK_MAIL => (-6),
NETWORK_MAIL2 => (-7),
NETWORK_FACEBOOK => (-8),
NETWORK_LINKEDIN => (-9),
NETWORK_XMPP => (-10),
NETWORK_MYSPACE => (-11),
NETWORK_GPLUS => (-12),
NETWORK_PUMPIO => (-13),
NETWORK_TWITTER => (-14),
NETWORK_DIASPORA2 => (-15),
NETWORK_STATUSNET => (-16),
NETWORK_APPNET => (-17),
NETWORK_PHANTOM => (-127),
);
/**
* Maximum number of "people who like (or don't like) this" that we will list by name
*/
define ( 'MAX_LIKERS', 75);
/**
* Communication timeout
*/
define ( 'ZCURL_TIMEOUT' , (-1));
/**
* email notification options
*/
define ( 'NOTIFY_INTRO', 0x0001 );
define ( 'NOTIFY_CONFIRM', 0x0002 );
define ( 'NOTIFY_WALL', 0x0004 );
define ( 'NOTIFY_COMMENT', 0x0008 );
define ( 'NOTIFY_MAIL', 0x0010 );
define ( 'NOTIFY_SUGGEST', 0x0020 );
define ( 'NOTIFY_PROFILE', 0x0040 );
define ( 'NOTIFY_TAGSELF', 0x0080 );
define ( 'NOTIFY_TAGSHARE', 0x0100 );
define ( 'NOTIFY_POKE', 0x0200 );
define ( 'NOTIFY_SHARE', 0x0400 );
define ( 'NOTIFY_SYSTEM', 0x8000 );
/**
* Tag/term types
*/
define ( 'TERM_UNKNOWN', 0 );
define ( 'TERM_HASHTAG', 1 );
define ( 'TERM_MENTION', 2 );
define ( 'TERM_CATEGORY', 3 );
define ( 'TERM_PCATEGORY', 4 );
define ( 'TERM_FILE', 5 );
define ( 'TERM_SAVEDSEARCH', 6 );
define ( 'TERM_CONVERSATION', 7 );
define ( 'TERM_OBJ_POST', 1 );
define ( 'TERM_OBJ_PHOTO', 2 );
/**
* various namespaces we may need to parse
*/
define ( 'NAMESPACE_ZOT', 'http://purl.org/zot' );
define ( 'NAMESPACE_DFRN' , 'http://purl.org/macgirvin/dfrn/1.0' );
define ( 'NAMESPACE_THREAD' , 'http://purl.org/syndication/thread/1.0' );
define ( 'NAMESPACE_TOMB' , 'http://purl.org/atompub/tombstones/1.0' );
define ( 'NAMESPACE_ACTIVITY', 'http://activitystrea.ms/spec/1.0/' );
define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
define ( 'NAMESPACE_MEDIA', 'http://purl.org/syndication/atommedia' );
define ( 'NAMESPACE_SALMON_ME', 'http://salmon-protocol.org/ns/magic-env' );
define ( 'NAMESPACE_OSTATUSSUB', 'http://ostatus.org/schema/1.0/subscribe' );
define ( 'NAMESPACE_GEORSS', 'http://www.georss.org/georss' );
define ( 'NAMESPACE_POCO', 'http://portablecontacts.net/spec/1.0' );
define ( 'NAMESPACE_FEED', 'http://schemas.google.com/g/2010#updates-from' );
define ( 'NAMESPACE_OSTATUS', 'http://ostatus.org/schema/1.0' );
define ( 'NAMESPACE_STATUSNET', 'http://status.net/schema/api/1/' );
define ( 'NAMESPACE_ATOM1', 'http://www.w3.org/2005/Atom' );
/**
* activity stream defines
*/
define ( 'ACTIVITY_LIKE', NAMESPACE_ACTIVITY_SCHEMA . 'like' );
define ( 'ACTIVITY_DISLIKE', NAMESPACE_DFRN . '/dislike' );
define ( 'ACTIVITY_OBJ_HEART', NAMESPACE_DFRN . '/heart' );
define ( 'ACTIVITY_FRIEND', NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
define ( 'ACTIVITY_REQ_FRIEND', NAMESPACE_ACTIVITY_SCHEMA . 'request-friend' );
define ( 'ACTIVITY_UNFRIEND', NAMESPACE_ACTIVITY_SCHEMA . 'remove-friend' );
define ( 'ACTIVITY_FOLLOW', NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
define ( 'ACTIVITY_UNFOLLOW', NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
define ( 'ACTIVITY_JOIN', NAMESPACE_ACTIVITY_SCHEMA . 'join' );
define ( 'ACTIVITY_POST', NAMESPACE_ACTIVITY_SCHEMA . 'post' );
define ( 'ACTIVITY_UPDATE', NAMESPACE_ACTIVITY_SCHEMA . 'update' );
define ( 'ACTIVITY_TAG', NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
define ( 'ACTIVITY_FAVORITE', NAMESPACE_ACTIVITY_SCHEMA . 'favorite' );
define ( 'ACTIVITY_SHARE', NAMESPACE_ACTIVITY_SCHEMA . 'share' );
define ( 'ACTIVITY_POKE', NAMESPACE_ZOT . '/activity/poke' );
define ( 'ACTIVITY_MOOD', NAMESPACE_ZOT . '/activity/mood' );
define ( 'ACTIVITY_OBJ_BOOKMARK', NAMESPACE_ACTIVITY_SCHEMA . 'bookmark' );
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_IMAGE', NAMESPACE_ACTIVITY_SCHEMA . 'image' );
define ( 'ACTIVITY_OBJ_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
define ( 'ACTIVITY_OBJ_VIDEO', NAMESPACE_ACTIVITY_SCHEMA . 'video' );
define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
define ( 'ACTIVITY_OBJ_ALBUM', NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
define ( 'ACTIVITY_OBJ_EVENT', NAMESPACE_ACTIVITY_SCHEMA . 'event' );
define ( 'ACTIVITY_OBJ_GROUP', NAMESPACE_ACTIVITY_SCHEMA . 'group' );
define ( 'ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN . '/tagterm' );
define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN . '/profile' );
define ( 'ACTIVITY_OBJ_QUESTION', 'http://activityschema.org/object/question' );
/**
* item weight for query ordering
*/
define ( 'GRAVITY_PARENT', 0);
define ( 'GRAVITY_LIKE', 3);
define ( 'GRAVITY_COMMENT', 6);
/**
*
* Reverse the effect of magic_quotes_gpc if it is enabled.
* Please disable magic_quotes_gpc so we don't have to do this.
* See http://php.net/manual/en/security.magicquotes.disabling.php
*
*/
function startup() {
error_reporting(E_ERROR | E_WARNING | E_PARSE);
set_time_limit(0);
// This has to be quite large to deal with embedded private photos
ini_set('pcre.backtrack_limit', 500000);
if (get_magic_quotes_gpc()) {
$process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
while (list($key, $val) = each($process)) {
foreach ($val as $k => $v) {
unset($process[$key][$k]);
if (is_array($v)) {
$process[$key][stripslashes($k)] = $v;
$process[] = &$process[$key][stripslashes($k)];
} else {
$process[$key][stripslashes($k)] = stripslashes($v);
}
}
}
unset($process);
}
}
/**
*
* class: App
*
* Our main application structure for the life of this page
* Primarily deals with the URL that got us here
* and tries to make some sense of it, and
* stores our page contents and config storage
* and anything else that might need to be passed around
* before we spit the page out.
*
*/
if(! class_exists('App')) {
class App {
public $module_loaded = false;
public $query_string;
public $config;
public $page;
public $profile;
public $profile_uid;
public $user;
public $cid;
public $contact;
public $contacts;
public $page_contact;
public $content;
public $data = array();
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 = array();
public $identities;
public $is_mobile;
public $is_tablet;
public $is_friendica_app;
public $performance = array();
public $nav_sel;
public $category;
// Allow themes to control internal parameters
// by changing App values in theme.php
public $sourcename = '';
public $videowidth = 425;
public $videoheight = 350;
public $force_max_items = 0;
public $theme_thread_allow = true;
// An array for all theme-controllable parameters
// Mostly unimplemented yet. Only options 'stylesheet' and
// beyond are used.
public $theme = array(
'sourcename' => '',
'videowidth' => 425,
'videoheight' => 350,
'force_max_items' => 0,
'thread_allow' => true,
'stylesheet' => '',
'template_engine' => 'smarty3',
);
// array of registered template engines ('name'=>'class name')
public $template_engines = array();
// array of instanced template engines ('name'=>'instance')
public $template_engine_instance = array();
private $ldelim = array(
'internal' => '',
'smarty3' => '{{'
);
private $rdelim = array(
'internal' => '',
'smarty3' => '}}'
);
private $scheme;
private $hostname;
private $baseurl;
private $db;
private $curl_code;
private $curl_content_type;
private $curl_headers;
private $cached_profile_image;
private $cached_profile_picdate;
function __construct() {
global $default_timezone;
$hostname = "";
if (file_exists(".htpreconfig.php"))
@include(".htpreconfig.php");
$this->timezone = ((x($default_timezone)) ? $default_timezone : 'UTC');
date_default_timezone_set($this->timezone);
$this->performance["start"] = microtime(true);
$this->performance["database"] = 0;
$this->performance["network"] = 0;
$this->performance["file"] = 0;
$this->performance["rendering"] = 0;
$this->performance["parser"] = 0;
$this->performance["marktime"] = 0;
$this->performance["markstart"] = microtime(true);
$this->config = array();
$this->page = array();
$this->pager= array();
$this->query_string = '';
startup();
set_include_path(
'include' . PATH_SEPARATOR
. 'library' . PATH_SEPARATOR
. 'library/phpsec' . PATH_SEPARATOR
. 'library/langdet' . PATH_SEPARATOR
. '.' );
$this->scheme = 'http';
if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
$this->scheme = 'https';
elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
$this->scheme = 'https';
if(x($_SERVER,'SERVER_NAME')) {
$this->hostname = $_SERVER['SERVER_NAME'];
// See bug 437 - this didn't work so disabling it
//if(stristr($this->hostname,'xn--')) {
// PHP or webserver may have converted idn to punycode, so
// convert punycode back to utf-8
// require_once('library/simplepie/idn/idna_convert.class.php');
// $x = new idna_convert();
// $this->hostname = $x->decode($_SERVER['SERVER_NAME']);
//}
if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
$this->hostname .= ':' . $_SERVER['SERVER_PORT'];
/**
* Figure out if we are running at the top of a domain
* or in a sub-directory and adjust accordingly
*/
$path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
if(isset($path) && strlen($path) && ($path != $this->path))
$this->path = $path;
}
if ($hostname != "")
$this->hostname = $hostname;
if (is_array($_SERVER["argv"]) && $_SERVER["argc"]>1 && substr(end($_SERVER["argv"]), 0, 4)=="http" ) {
$this->set_baseurl(array_pop($_SERVER["argv"]) );
$_SERVER["argc"] --;
}
#set_include_path("include/$this->hostname" . PATH_SEPARATOR . get_include_path());
if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,9) === "pagename=") {
$this->query_string = substr($_SERVER['QUERY_STRING'],9);
// removing trailing / - maybe a nginx problem
if (substr($this->query_string, 0, 1) == "/")
$this->query_string = substr($this->query_string, 1);
} elseif((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
$this->query_string = substr($_SERVER['QUERY_STRING'],2);
// removing trailing / - maybe a nginx problem
if (substr($this->query_string, 0, 1) == "/")
$this->query_string = substr($this->query_string, 1);
}
if (x($_GET,'pagename'))
$this->cmd = trim($_GET['pagename'],'/\\');
elseif (x($_GET,'q'))
$this->cmd = trim($_GET['q'],'/\\');
// fix query_string
$this->query_string = str_replace($this->cmd."&",$this->cmd."?", $this->query_string);
// unix style "homedir"
if(substr($this->cmd,0,1) === '~')
$this->cmd = 'profile/' . substr($this->cmd,1);
// Diaspora style profile url
if(substr($this->cmd,0,2) === 'u/')
$this->cmd = 'profile/' . substr($this->cmd,2);
/**
*
* Break the URL path into C style argc/argv style arguments for our
* modules. Given "http://example.com/module/arg1/arg2", $this->argc
* will be 3 (integer) and $this->argv will contain:
* [0] => 'module'
* [1] => 'arg1'
* [2] => 'arg2'
*
*
* There will always be one argument. If provided a naked domain
* URL, $this->argv[0] is set to "home".
*
*/
$this->argv = explode('/',$this->cmd);
$this->argc = count($this->argv);
if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
$this->module = str_replace(".", "_", $this->argv[0]);
$this->module = str_replace("-", "_", $this->module);
}
else {
$this->argc = 1;
$this->argv = array('home');
$this->module = 'home';
}
/**
* See if there is any page number information, and initialise
* pagination
*/
$this->pager['page'] = ((x($_GET,'page') && intval($_GET['page']) > 0) ? intval($_GET['page']) : 1);
$this->pager['itemspage'] = 50;
$this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
if($this->pager['start'] < 0)
$this->pager['start'] = 0;
$this->pager['total'] = 0;
/**
* Detect mobile devices
*/
$mobile_detect = new Mobile_Detect();
$this->is_mobile = $mobile_detect->isMobile();
$this->is_tablet = $mobile_detect->isTablet();
// Friendica-Client
$this->is_friendica_app = ($_SERVER['HTTP_USER_AGENT'] == "Apache-HttpClient/UNAVAILABLE (java 1.4)");
/**
* register template engines
*/
$dc = get_declared_classes();
foreach ($dc as $k) {
if (in_array("ITemplateEngine", class_implements($k))){
$this->register_template_engine($k);
}
}
}
function get_basepath() {
$basepath = get_config("system", "basepath");
if ($basepath == "")
$basepath = $_SERVER["DOCUMENT_ROOT"];
if ($basepath == "")
$basepath = $_SERVER["PWD"];
return($basepath);
}
function get_scheme() {
return($this->scheme);
}
function get_baseurl($ssl = false) {
$scheme = $this->scheme;
if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
$scheme = 'https';
// Basically, we have $ssl = true on any links which can only be seen by a logged in user
// (and also the login link). Anything seen by an outsider will have it turned off.
if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
if($ssl)
$scheme = 'https';
else
$scheme = 'http';
}
}
if (get_config('config','hostname') != "")
$this->hostname = get_config('config','hostname');
$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'];
$hostname = $parsed['host'];
if(x($parsed,'port'))
$hostname .= ':' . $parsed['port'];
if(x($parsed,'path'))
$this->path = trim($parsed['path'],'\\/');
if (file_exists(".htpreconfig.php"))
@include(".htpreconfig.php");
if (get_config('config','hostname') != "")
$this->hostname = get_config('config','hostname');
if (!isset($this->hostname) OR ($this->hostname == ""))
$this->hostname = $hostname;
}
}
function get_hostname() {
if (get_config('config','hostname') != "")
$this->hostname = get_config('config','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) > 0) ? intval($n) : 0);
$this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
}
function set_pager_page($n) {
$this->pager['page'] = $n;
$this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
}
function init_pagehead() {
$interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
if($interval < 10000)
$interval = 40000;
$this->page['title'] = $this->config['sitename'];
/* put the head template at the beginning of page['htmlhead']
* since the code added by the modules frequently depends on it
* being first
*/
if(!isset($this->page['htmlhead']))
$this->page['htmlhead'] = '';
// If we're using Smarty, then doing replace_macros() will replace
// any unrecognized variables with a blank string. Since we delay
// replacing $stylesheet until later, we need to replace it now
// with another variable name
if($this->theme['template_engine'] === 'smarty3')
$stylesheet = $this->get_template_ldelim('smarty3') . '$stylesheet' . $this->get_template_rdelim('smarty3');
else
$stylesheet = '$stylesheet';
$shortcut_icon = get_config("system", "shortcut_icon");
if ($shortcut_icon == "")
$shortcut_icon = $this->get_baseurl()."/images/friendica-32.png";
$touch_icon = get_config("system", "touch_icon");
if ($touch_icon == "")
$touch_icon = $this->get_baseurl()."/images/friendica-128.png";
$tpl = get_markup_template('head.tpl');
$this->page['htmlhead'] = replace_macros($tpl,array(
'$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
'$local_user' => local_user(),
'$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
'$delitem' => t('Delete this item?'),
'$comment' => t('Comment'),
'$showmore' => t('show more'),
'$showfewer' => t('show fewer'),
'$update_interval' => $interval,
'$shortcut_icon' => $shortcut_icon,
'$touch_icon' => $touch_icon,
'$stylesheet' => $stylesheet
)) . $this->page['htmlhead'];
}
function init_page_end() {
if(!isset($this->page['end']))
$this->page['end'] = '';
$tpl = get_markup_template('end.tpl');
$this->page['end'] = replace_macros($tpl,array(
'$baseurl' => $this->get_baseurl() // FIXME for z_path!!!!
)) . $this->page['end'];
}
function set_curl_code($code) {
$this->curl_code = $code;
}
function get_curl_code() {
return $this->curl_code;
}
function set_curl_content_type($content_type) {
$this->curl_content_type = $content_type;
}
function get_curl_content_type() {
return $this->curl_content_type;
}
function set_curl_headers($headers) {
$this->curl_headers = $headers;
}
function get_curl_headers() {
return $this->curl_headers;
}
function get_cached_avatar_image($avatar_image){
if($this->cached_profile_image[$avatar_image])
return $this->cached_profile_image[$avatar_image];
$path_parts = explode("/",$avatar_image);
$common_filename = $path_parts[count($path_parts)-1];
if($this->cached_profile_picdate[$common_filename]){
$this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
} else {
$r = q("SELECT `contact`.`avatar-date` AS picdate FROM `contact` WHERE `contact`.`thumb` like '%%/%s'",
$common_filename);
if(! count($r)){
$this->cached_profile_image[$avatar_image] = $avatar_image;
} else {
$this->cached_profile_picdate[$common_filename] = "?rev=".urlencode($r[0]['picdate']);
$this->cached_profile_image[$avatar_image] = $avatar_image.$this->cached_profile_picdate[$common_filename];
}
}
return $this->cached_profile_image[$avatar_image];
}
/**
* register template engine class
* if $name is "", is used class static property $class::$name
* @param string $class
* @param string $name
*/
function register_template_engine($class, $name = '') {
if ($name===""){
$v = get_class_vars( $class );
if(x($v,"name")) $name = $v['name'];
}
if ($name===""){
echo "template engine <tt>$class</tt> cannot be registered without a name.\n";
killme();
}
$this->template_engines[$name] = $class;
}
/**
* return template engine instance. If $name is not defined,
* return engine defined by theme, or default
*
* @param strin $name Template engine name
* @return object Template Engine instance
*/
function template_engine($name = ''){
if ($name!=="") {
$template_engine = $name;
} else {
$template_engine = 'smarty3';
if (x($this->theme, 'template_engine')) {
$template_engine = $this->theme['template_engine'];
}
}
if (isset($this->template_engines[$template_engine])){
if(isset($this->template_engine_instance[$template_engine])){
return $this->template_engine_instance[$template_engine];
} else {
$class = $this->template_engines[$template_engine];
$obj = new $class;
$this->template_engine_instance[$template_engine] = $obj;
return $obj;
}
}
echo "template engine <tt>$template_engine</tt> is not registered!\n"; killme();
}
function get_template_engine() {
return $this->theme['template_engine'];
}
function set_template_engine($engine = 'smarty3') {
$this->theme['template_engine'] = $engine;
/*
$this->theme['template_engine'] = 'smarty3';
switch($engine) {
case 'smarty3':
if(is_writable('view/smarty3/'))
$this->theme['template_engine'] = 'smarty3';
break;
default:
break;
}
*/
}
function get_template_ldelim($engine = 'smarty3') {
return $this->ldelim[$engine];
}
function get_template_rdelim($engine = 'smarty3') {
return $this->rdelim[$engine];
}
function save_timestamp($stamp, $value) {
$duration = (float)(microtime(true)-$stamp);
$this->performance[$value] += (float)$duration;
$this->performance["marktime"] += (float)$duration;
}
function mark_timestamp($mark) {
//$this->performance["markstart"] -= microtime(true) - $this->performance["marktime"];
$this->performance["markstart"] = microtime(true) - $this->performance["markstart"] - $this->performance["marktime"];
}
function get_useragent() {
return(FRIENDICA_PLATFORM." '".FRIENDICA_CODENAME."' ".FRIENDICA_VERSION."-".DB_UPDATE_VERSION."; ".$this->get_baseurl());
}
function is_friendica_app() {
return($this->is_friendica_app);
}
}
}
// 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();
}
}
function clean_urls() {
global $a;
// if($a->config['system']['clean_urls'])
return true;
// return false;
}
function z_path() {
global $a;
$base = $a->get_baseurl();
if(! clean_urls())
$base .= '/?q=';
return $base;
}
function z_root() {
global $a;
return $a->get_baseurl();
}
function absurl($path) {
if(strpos($path,'/') === 0)
return z_path() . $path;
return $path;
}
function is_ajax() {
return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
}
function check_db() {
$build = get_config('system','build');
if(! x($build)) {
set_config('system','build',DB_UPDATE_VERSION);
$build = DB_UPDATE_VERSION;
}
if($build != DB_UPDATE_VERSION)
proc_run('php', 'include/dbupdate.php');
}
// Sets the base url for use in cmdline programs which don't have
// $_SERVER variables
if(! function_exists('check_url')) {
function check_url(&$a) {
$url = get_config('system','url');
// if the url isn't set or the stored url is radically different
// than the currently visited url, store the current value accordingly.
// "Radically different" ignores common variations such as http vs https
// and www.example.com vs example.com.
// We will only change the url to an ip address if there is no existing setting
if(! x($url))
$url = set_config('system','url',$a->get_baseurl());
if((! link_compare($url,$a->get_baseurl())) && (! preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/",$a->get_hostname)))
$url = set_config('system','url',$a->get_baseurl());
return;
}
}
// Automatic database updates
if(! function_exists('update_db')) {
function update_db(&$a) {
$build = get_config('system','build');
if(! x($build))
$build = set_config('system','build',DB_UPDATE_VERSION);
if($build != DB_UPDATE_VERSION) {
$stored = intval($build);
$current = intval(DB_UPDATE_VERSION);
if($stored < $current) {
load_config('database');
// We're reporting a different version than what is currently installed.
// Run any existing update scripts to bring the database up to current.
// make sure that boot.php and update.php are the same release, we might be
// updating right this very second and the correct version of the update.php
// file may not be here yet. This can happen on a very busy site.
if(DB_UPDATE_VERSION == UPDATE_VERSION) {
// Compare the current structure with the defined structure
$t = get_config('database','dbupdate_'.DB_UPDATE_VERSION);
if($t !== false)
return;
set_config('database','dbupdate_'.DB_UPDATE_VERSION, time());
// run old update routine (wich could modify the schema and
// conflits with new routine)
for ($x = $stored; $x < NEW_UPDATE_ROUTINE_VERSION; $x++) {
$r = run_update_function($x);
if (!$r) break;
}
if ($stored < NEW_UPDATE_ROUTINE_VERSION) $stored = NEW_UPDATE_ROUTINE_VERSION;
// run new update routine
// it update the structure in one call
$retval = update_structure(false, true);
if($retval) {
update_fail(
DB_UPDATE_VERSION,
$retval
);
return;
} else {
set_config('database','dbupdate_'.DB_UPDATE_VERSION, 'success');
}
// run any left update_nnnn functions in update.php
for($x = $stored; $x < $current; $x ++) {
$r = run_update_function($x);
if (!$r) break;
}
}
}
}
return;
}
}
if(!function_exists('run_update_function')){
function run_update_function($x) {
if(function_exists('update_' . $x)) {
// There could be a lot of processes running or about to run.
// We want exactly one process to run the update command.
// So store the fact that we're taking responsibility
// after first checking to see if somebody else already has.
// If the update fails or times-out completely you may need to
// delete the config entry to try again.
$t = get_config('database','update_' . $x);
if($t !== false)
return false;
set_config('database','update_' . $x, time());
// call the specific update
$func = 'update_' . $x;
$retval = $func();
if($retval) {
//send the administrator an e-mail
update_fail(
$x,
sprintf(t('Update %s failed. See error logs.'), $x)
);
return false;
} else {
set_config('database','update_' . $x, 'success');
set_config('system','build', $x + 1);
return true;
}
} else {
set_config('database','update_' . $x, 'success');
set_config('system','build', $x + 1);
return true;
}
return true;
}
}
if(! function_exists('check_plugins')) {
function check_plugins(&$a) {
/**
*
* Synchronise plugins:
*
* $a->config['system']['addon'] contains a comma-separated list of names
* of plugins/addons which are used on this system.
* Go through the database list of already installed addons, and if we have
* an entry, but it isn't in the config list, call the uninstall procedure
* and mark it uninstalled in the database (for now we'll remove it).
* Then go through the config list and if we have a plugin that isn't installed,
* call the install procedure and add it to the database.
*
*/
$r = q("SELECT * FROM `addon` WHERE `installed` = 1");
if(count($r))
$installed = $r;
else
$installed = array();
$plugins = get_config('system','addon');
$plugins_arr = array();
if($plugins)
$plugins_arr = explode(',',str_replace(' ', '',$plugins));
$a->plugins = $plugins_arr;
$installed_arr = array();
if(count($installed)) {
foreach($installed as $i) {
if(! in_array($i['name'],$plugins_arr)) {
uninstall_plugin($i['name']);
}
else {
$installed_arr[] = $i['name'];
}
}
}
if(count($plugins_arr)) {
foreach($plugins_arr as $p) {
if(! in_array($p,$installed_arr)) {
install_plugin($p);
}
}
}
load_hooks();
return;
}
}
function get_guid($size=16, $prefix = "") {
if ($prefix == "") {
$a = get_app();
$prefix = hash("crc32", $a->get_hostname());
}
while (strlen($prefix) < ($size - 13))
$prefix .= mt_rand();
if ($size >= 24) {
$prefix = substr($prefix, 0, $size - 22);
return(str_replace(".", "", uniqid($prefix, true)));
} else {
$prefix = substr($prefix, 0, $size - 13);
return(uniqid($prefix));
}
}
// 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, $hiddens=false) {
$a = get_app();
$o = "";
$reg = false;
if ($register) {
$reg = array(
'title' => t('Create a New Account'),
'desc' => t('Register')
);
}
$noid = get_config('system','no_openid');
$dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
if(local_user()) {
$tpl = get_markup_template("logout.tpl");
}
else {
$a->page['htmlhead'] .= replace_macros(get_markup_template("login_head.tpl"),array(
'$baseurl' => $a->get_baseurl(true)
));
$tpl = get_markup_template("login.tpl");
$_SESSION['return_url'] = $a->query_string;
$a->module = 'login';
}
$o .= replace_macros($tpl, array(
'$dest_url' => $dest_url,
'$logout' => t('Logout'),
'$login' => t('Login'),
'$lname' => array('username', t('Nickname or Email address: ') , '', ''),
'$lpassword' => array('password', t('Password: '), '', ''),
'$lremember' => array('remember', t('Remember me'), 0, ''),
'$openid' => !$noid,
'$lopenid' => array('openid_url', t('Or login using OpenID: '),'',''),
'$hiddens' => $hiddens,
'$register' => $reg,
'$lostpass' => t('Forgot your password?'),
'$lostlink' => t('Password Reset'),
'$tostitle' => t('Website Terms of Service'),
'$toslink' => t('terms of service'),
'$privacytitle' => t('Website Privacy Policy'),
'$privacylink' => t('privacy policy'),
));
call_hooks('login_hook',$o);
return $o;
}
}
// Used to end the current process, after saving session state.
if(! function_exists('killme')) {
function killme() {
session_write_close();
exit;
}
}
// redirect to another URL and terminate this process.
if(! function_exists('goaway')) {
function goaway($s) {
header("Location: $s");
killme();
}
}
// Returns the uid of locally logged in user or false.
if(! function_exists('local_user')) {
function local_user() {
if((x($_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')) {
/**
* Show an error message to user.
*
* This function save text in session, to be shown to the user at next page load
*
* @param string $s - Text of notice
*/
function notice($s) {
$a = get_app();
if(! x($_SESSION,'sysmsg')) $_SESSION['sysmsg'] = array();
if($a->interactive)
$_SESSION['sysmsg'][] = $s;
}
}
if(! function_exists('info')) {
/**
* Show an info message to user.
*
* This function save text in session, to be shown to the user at next page load
*
* @param string $s - Text of notice
*/
function info($s) {
$a = get_app();
if (local_user() AND get_pconfig(local_user(),'system','ignore_info'))
return;
if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
if($a->interactive)
$_SESSION['sysmsg_info'][] = $s;
}
}
// wrapper around config to limit the text length of an incoming message
if(! function_exists('get_max_import_size')) {
function get_max_import_size() {
global $a;
return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
}
}
/**
*
* 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();
$newargs = array();
if(! count($args))
return;
// expand any arrays
foreach($args as $arg) {
if(is_array($arg)) {
foreach($arg as $n) {
$newargs[] = $n;
}
}
else
$newargs[] = $arg;
}
$args = $newargs;
$arr = array('args' => $args, 'run_cmd' => true);
call_hooks("proc_run", $arr);
if(! $arr['run_cmd'])
return;
if(count($args) && $args[0] === 'php')
$args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
// add baseurl to args. cli scripts can't construct it
$args[] = $a->get_baseurl();
for($x = 0; $x < count($args); $x ++)
$args[$x] = escapeshellarg($args[$x]);
$cmdline = implode($args," ");
if(get_config('system','proc_windows'))
proc_close(proc_open('cmd /c start /b ' . $cmdline,array(),$foo,dirname(__FILE__)));
else
proc_close(proc_open($cmdline." &",array(),$foo,dirname(__FILE__)));
}
}
if(! function_exists('current_theme')) {
function current_theme(){
$app_base_themes = array('duepuntozero', 'dispy', 'quattro');
$a = get_app();
$page_theme = null;
// Find the theme that belongs to the user whose stuff we are looking at
if($a->profile_uid && ($a->profile_uid != local_user())) {
$r = q("select theme from user where uid = %d limit 1",
intval($a->profile_uid)
);
if($r)
$page_theme = $r[0]['theme'];
}
// Allow folks to over-rule user themes and always use their own on their own site.
// This works only if the user is on the same server
if($page_theme && local_user() && (local_user() != $a->profile_uid)) {
if(get_pconfig(local_user(),'system','always_my_theme'))
$page_theme = null;
}
// $mobile_detect = new Mobile_Detect();
// $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
$is_mobile = $a->is_mobile || $a->is_tablet;
$standard_system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
$standard_theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $standard_system_theme);
if($is_mobile) {
if(isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
$system_theme = $standard_system_theme;
$theme_name = $standard_theme_name;
}
else {
$system_theme = ((isset($a->config['system']['mobile-theme'])) ? $a->config['system']['mobile-theme'] : $standard_system_theme);
$theme_name = ((isset($_SESSION) && x($_SESSION,'mobile-theme')) ? $_SESSION['mobile-theme'] : $system_theme);
if($theme_name === '---') {
// user has selected to have the mobile theme be the same as the normal one
$system_theme = $standard_system_theme;
$theme_name = $standard_theme_name;
if($page_theme)
$theme_name = $page_theme;
}
}
}
else {
$system_theme = $standard_system_theme;
$theme_name = $standard_theme_name;
if($page_theme)
$theme_name = $page_theme;
}
if($theme_name &&
(file_exists('view/theme/' . $theme_name . '/style.css') ||
file_exists('view/theme/' . $theme_name . '/style.php')))
return($theme_name);
foreach($app_base_themes as $t) {
if(file_exists('view/theme/' . $t . '/style.css')||
file_exists('view/theme/' . $t . '/style.php'))
return($t);
}
$fallback = array_merge(glob('view/theme/*/style.css'),glob('view/theme/*/style.php'));
if(count($fallback))
return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
}
}
/*
* Return full URL to theme which is currently in effect.
* Provide a sane default if nothing is chosen or the specified theme does not exist.
*/
if(! function_exists('current_theme_url')) {
function current_theme_url() {
global $a;
$t = current_theme();
$opts = (($a->profile_uid) ? '?f=&puid=' . $a->profile_uid : '');
if (file_exists('view/theme/' . $t . '/style.php'))
return($a->get_baseurl() . '/view/theme/' . $t . '/style.pcss' . $opts);
return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
}
}
if(! function_exists('feed_birthday')) {
function feed_birthday($uid,$tz) {
/**
*
* Determine the next birthday, but only if the birthday is published
* in the default profile. We _could_ also look for a private profile that the
* recipient can see, but somebody could get mad at us if they start getting
* public birthday greetings when they haven't made this info public.
*
* Assuming we are able to publish this info, we are then going to convert
* the start time from the owner's timezone to UTC.
*
* This will potentially solve the problem found with some social networks
* where birthdays are converted to the viewer's timezone and salutations from
* elsewhere in the world show up on the wrong day. We will convert it to the
* viewer's timezone also, but first we are going to convert it from the birthday
* person's timezone to GMT - so the viewer may find the birthday starting at
* 6:00PM the day before, but that will correspond to midnight to the birthday person.
*
*/
$birthday = '';
if(! strlen($tz))
$tz = 'UTC';
$p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
intval($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;
}
}
if(! function_exists('is_site_admin')) {
function is_site_admin() {
$a = get_app();
$adminlist = explode(",", str_replace(" ", "", $a->config['admin_email']));
//if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && in_array($a->user['email'], $adminlist))
return true;
return false;
}
}
if(! function_exists('load_contact_links')) {
function load_contact_links($uid) {
$a = get_app();
$ret = array();
if(! $uid || x($a->contacts,'empty'))
return;
$r = q("SELECT `id`,`network`,`url`,`thumb` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 AND `thumb` != ''",
intval($uid)
);
if(count($r)) {
foreach($r as $rr){
$url = normalise_link($rr['url']);
$ret[$url] = $rr;
}
}
else
$ret['empty'] = true;
$a->contacts = $ret;
return;
}
}
/**
* returns querystring as string from a mapped array
*
* @param params Array
* @return string
*/
function build_querystring($params, $name=null) {
$ret = "";
foreach($params as $key=>$val) {
if(is_array($val)) {
if($name==null) {
$ret .= build_querystring($val, $key);
} else {
$ret .= build_querystring($val, $name."[$key]");
}
} else {
$val = urlencode($val);
if($name!=null) {
$ret.=$name."[$key]"."=$val&";
} else {
$ret.= "$key=$val&";
}
}
}
return $ret;
}
function explode_querystring($query) {
$arg_st = strpos($query, '?');
if($arg_st !== false) {
$base = substr($query, 0, $arg_st);
$arg_st += 1;
}
else {
$base = '';
$arg_st = 0;
}
$args = explode('&', substr($query, $arg_st));
foreach($args as $k=>$arg) {
if($arg === '')
unset($args[$k]);
}
$args = array_values($args);
if(!$base) {
$base = $args[0];
unset($args[0]);
$args = array_values($args);
}
return array(
'base' => $base,
'args' => $args,
);
}
/**
* Returns the complete URL of the current page, e.g.: http(s)://something.com/network
*
* Taken from http://webcheatsheet.com/php/get_current_page_url.php
*/
function curPageURL() {
$pageURL = 'http';
if ($_SERVER["HTTPS"] == "on") {$pageURL .= "s";}
$pageURL .= "://";
if ($_SERVER["SERVER_PORT"] != "80" && $_SERVER["SERVER_PORT"] != "443") {
$pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
} else {
$pageURL .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"];
}
return $pageURL;
}
function random_digits($digits) {
$rn = '';
for($i = 0; $i < $digits; $i++) {
$rn .= rand(0,9);
}
return $rn;
}
function get_cachefile($file, $writemode = true) {
$cache = get_itemcachepath();
if ((! $cache) || (! is_dir($cache)))
return("");
$subfolder = $cache."/".substr($file, 0, 2);
$cachepath = $subfolder."/".$file;
if ($writemode) {
if (!is_dir($subfolder)) {
mkdir($subfolder);
chmod($subfolder, 0777);
}
}
return($cachepath);
}
function clear_cache($basepath = "", $path = "") {
if ($path == "") {
$basepath = get_itemcachepath();
$path = $basepath;
}
if (($path == "") OR (!is_dir($path)))
return;
if (substr(realpath($path), 0, strlen($basepath)) != $basepath)
return;
$cachetime = (int)get_config('system','itemcache_duration');
if ($cachetime == 0)
$cachetime = 86400;
if (is_writable($path)){
if ($dh = opendir($path)) {
while (($file = readdir($dh)) !== false) {
$fullpath = $path."/".$file;
if ((filetype($fullpath) == "dir") and ($file != ".") and ($file != ".."))
clear_cache($basepath, $fullpath);
if ((filetype($fullpath) == "file") and (filectime($fullpath) < (time() - $cachetime)))
unlink($fullpath);
}
closedir($dh);
}
}
}
function get_itemcachepath() {
// Checking, if the cache is deactivated
$cachetime = (int)get_config('system','itemcache_duration');
if ($cachetime < 0)
return "";
$itemcache = get_config('system','itemcache');
if (($itemcache != "") AND is_dir($itemcache) AND is_writable($itemcache))
return($itemcache);
$temppath = get_temppath();
if ($temppath != "") {
$itemcache = $temppath."/itemcache";
if(!file_exists($itemcache) && !is_dir($itemcache)) {
mkdir($itemcache);
}
if (is_dir($itemcache) AND is_writable($itemcache)) {
set_config("system", "itemcache", $itemcache);
return($itemcache);
}
}
return "";
}
function get_lockpath() {
$lockpath = get_config('system','lockpath');
if (($lockpath != "") AND is_dir($lockpath) AND is_writable($lockpath))
return($lockpath);
$temppath = get_temppath();
if ($temppath != "") {
$lockpath = $temppath."/lock";
mkdir($lockpath);
if (is_dir($lockpath) AND is_writable($lockpath)) {
set_config("system", "lockpath", $lockpath);
return($lockpath);
}
}
return "";
}
function get_temppath() {
$temppath = get_config("system","temppath");
if (($temppath != "") AND is_dir($temppath) AND is_writable($temppath))
return($temppath);
$temppath = sys_get_temp_dir();
if (($temppath != "") AND is_dir($temppath) AND is_writable($temppath)) {
set_config("system", "temppath", $temppath);
return($temppath);
}
return("");
}
function set_template_engine(&$a, $engine = 'internal') {
// This function is no longer necessary, but keep it as a wrapper to the class method
// to avoid breaking themes again unnecessarily
$a->set_template_engine($engine);
}
if(!function_exists('exif_imagetype')) {
function exif_imagetype($file) {
$size = getimagesize($file);
return($size[2]);
}
}
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