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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');
define ( 'FRIENDICA_PLATFORM', 'Friendica');
define ( 'FRIENDICA_VERSION', '3.1.1695' );
define ( 'DFRN_PROTOCOL_VERSION', '2.23' );
define ( 'DB_UPDATE_VERSION', 1163 );
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 );
/**
* 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_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_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_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_POKE', NAMESPACE_ZOT . '/activity/poke' );
define ( 'ACTIVITY_MOOD', NAMESPACE_ZOT . '/activity/mood' );
define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
define ( 'ACTIVITY_OBJ_NOTE', NAMESPACE_ACTIVITY_SCHEMA . 'note' );
define ( 'ACTIVITY_OBJ_PERSON', NAMESPACE_ACTIVITY_SCHEMA . 'person' );
define ( 'ACTIVITY_OBJ_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
define ( 'ACTIVITY_OBJ_ALBUM', NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
define ( 'ACTIVITY_OBJ_EVENT', NAMESPACE_ACTIVITY_SCHEMA . 'event' );
define ( 'ACTIVITY_OBJ_GROUP', NAMESPACE_ACTIVITY_SCHEMA . 'group' );
define ( 'ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN . '/tagterm' );
define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN . '/profile' );
/**
* 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 $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 $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, $argv, $argc;
$this->timezone = ((x($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();
$this->scheme = 'http';
if(x($_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 = $path;
}
if (is_array($argv) && $argc>1 && substr(end($argv), 0, 4)=="http" ) {
$this->set_baseurl(array_pop($argv) );
$argc --;
}
set_include_path(
"include/$this->hostname" . PATH_SEPARATOR
. 'include' . PATH_SEPARATOR
. 'library' . PATH_SEPARATOR
. 'library/phpsec' . PATH_SEPARATOR
. 'library/langdet' . PATH_SEPARATOR
. '.' );
if((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,'q'))
$this->cmd = trim($_GET['q'],'/\\');
// 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();
/**
* 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_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';
}
}
$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) > 0) ? intval($n) : 0);
$this->pager['start'] = ($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';
$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' => $interval,
'$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"];
}
}
}
// 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 < $current) && file_exists('update.php')) {
load_config('database');
// We're reporting a different version than what is currently installed.
// Run any existing update scripts to bring the database up to current.
require_once('update.php');
// make sure that boot.php and update.php are the same release, we might be
// updating right this very second and the correct version of the update.php
// file may not be here yet. This can happen on a very busy site.
if(DB_UPDATE_VERSION == UPDATE_VERSION) {
for($x = $stored; $x < $current; $x ++) {
if(function_exists('update_' . $x)) {
// 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)
break;
set_config('database','update_' . $x, time());
// call the specific update
$func = 'update_' . $x;
$retval = $func();
if($retval) {
//send the administrator an e-mail
$email_tpl = get_intltext_template("update_fail_eml.tpl");
$email_msg = replace_macros($email_tpl, array(
'$sitename' => $a->config['sitename'],
'$siteurl' => $a->get_baseurl(),
'$update' => $x,
'$error' => sprintf( t('Update %s failed. See error logs.'), $x)
));
$subject=sprintf(t('Update Error at %s'), $a->get_baseurl());