Typesetter-Original-gtbu/include/tool.php
2022-05-25 11:28:17 +02:00

2326 lines
58 KiB
PHP

<?php
namespace gp{
use function \PHP81_BC\strftime;
defined('is_running') or die('Not an entry point...');
class tool{
/**
* Return the type of response was requested by the client
* @since 3.5b2
* @return string
*/
public static function RequestType(){
$types = ['body', 'flush', 'json', 'content', 'admin'];
if( isset($_REQUEST['gpreq']) && in_array($_REQUEST['gpreq'], $types) ){
return $_REQUEST['gpreq'];
}
return 'template';
}
/**
* Send a 304 Not Modified Response to the client if HTTP_IF_NONE_MATCH matched $etag and headers have not already been sent
* Othewise, send the etag
* @param string $etag The calculated etag for the current page
*
*/
public static function Send304($etag){
global $config;
if( !$config['etag_headers'] ){
return;
}
if( headers_sent() ){
return;
}
//always send the etag
header('ETag: "' . $etag . '"');
if( empty($_SERVER['HTTP_IF_NONE_MATCH']) ||
trim($_SERVER['HTTP_IF_NONE_MATCH'], '"') != $etag
){
return;
}
//don't use ob_get_level() in while loop to prevent endless loops;
$level = ob_get_level();
while( $level > 0 ){
@ob_end_clean();
$level--;
}
// 304 should not have a response body or Content-Length header
//header('Not Modified', true, 304);
self::status_header(304, 'Not Modified');
header('Connection: close');
exit();
}
/**
* Set HTTP status header.
* Modified From Wordpress
*
* @since 2.3.3
* @uses apply_filters() Calls 'status_header' on status header string, HTTP
* HTTP code, HTTP code description, and protocol string as separate
* parameters.
*
* @param int $header HTTP status code
* @param string $text HTTP status
* @return unknown
*/
public static function status_header($header, $text){
$protocol = '';
if( isset($_SERVER['SERVER_PROTOCOL']) ){
$protocol = $_SERVER['SERVER_PROTOCOL'];
}
if( 'HTTP/1.1' != $protocol && 'HTTP/1.0' != $protocol ){
$protocol = 'HTTP/1.0';
}
$status_header = "$protocol $header $text";
return @header($status_header, true, $header);
}
public static function GenEtag(){
global $dirPrefix, $dataDir;
$etag = '';
$args = func_get_args();
$args[] = $dataDir . $dirPrefix;
foreach($args as $arg){
if( !ctype_digit((string)$arg)){
$arg = crc32( $arg );
$arg = sprintf("%u\n", $arg);
}
$etag .= base_convert($arg, 10, 36);
}
return $etag;
}
/**
* Generate an etag from the filemtime and filesize of each file
* @param array $files
*
*/
public static function FilesEtag($files){
$modified = 0;
$content_length = 0;
foreach($files as $file){
$content_length += @filesize($file);
$modified = max($modified, @filemtime($file));
}
return self::GenEtag($modified, $content_length);
}
public static function CheckTheme(){
global $page;
if( $page->theme_name === false ){
$page->SetTheme();
}
}
/**
* Return an array of information about the layout
* @param string $layout the layout key
* @param bool $check_existence Whether or not to check for the existence of the template.php file
* @return mixed false | array
*/
public static function LayoutInfo($layout, $check_existence=true){
global $gpLayouts, $dataDir;
if( !isset($gpLayouts[$layout]) ){
return false;
}
$layout_info = $gpLayouts[$layout];
$layout_info += ['is_addon' => false];
$layout_info['theme_name'] = self::DirName($layout_info['theme']);
$layout_info['theme_color'] = basename($layout_info['theme']);
$relative = '/themes/';
if( $layout_info['is_addon'] ){
$relative = '/data/_themes/';
}
$layout_info['path'] = $relative . $layout_info['theme'];
$layout_info['dir'] = $dataDir . $relative . $layout_info['theme_name'];
if( $check_existence && !file_exists($layout_info['dir'] . '/template.php') ){
return false;
}
return $layout_info;
}
/**
* Returns the layout id used by the current page
* @return string $layout_id
*
*/
public static function GetCurrentLayoutId(){
global $page, $config;
if( !is_object($page) || $page->pagetype === 'admin_display' ){
return '';
}
if( isset($page->TitleInfo['gpLayout']) ){
// page uses a custom layout
return $page->TitleInfo['gpLayout'];
}
$inheritance = \gp\admin\Menu\Tools::Inheritance_Info();
if( isset($inheritance[$page->gp_index]['parent_layout']) ){
// page inherits the layout from main menu parent
return $inheritance[$page->gp_index]['parent_layout'];
}
// page uses the default layout
return $config['gpLayout'];
}
/**
* Returns detailed information of the layout used by the current page
* @return array $layout_info
*
*/
public static function GetCurrentLayoutInfo(){
global $gpLayouts;
$layout_id = self::GetCurrentLayoutId();
if( empty($layout_id) ){
return [];
}
$layout_info = $gpLayouts[$layout_id];
$layout_info['layout_id'] = $layout_id;
return $layout_info;
}
/*
*
*
* Entry Functions
*
*
*/
public static function EntryPoint($level=0, $expecting='index.php', $sessions=true){
self::CheckRequest();
clearstatcache();
$ob_gzhandler = false;
if( !self::IniGet('zlib.output_compression') && 'ob_gzhandler' != ini_get('output_handler') ){
@ob_start('ob_gzhandler'); //ini_get() does not always work for this test
$ob_gzhandler = true;
}
self::SetGlobalPaths($level, $expecting);
spl_autoload_register(['\\gp\\tool', 'Autoload']);
includeFile('tool/functions.php');
if( $sessions ){
ob_start(['\\gp\\tool\\Output', 'BufferOut']);
}elseif( !$ob_gzhandler ){
ob_start();
}
self::RequestLevel();
self::GetConfig();
self::SetLinkPrefix();
self::SetCookieArgs();
if( $sessions ){
self::sessions();
}
}
/**
* Setup SPL Autoloading
*
*/
public static function Autoload($class){
global $config, $dataDir;
$class = trim($class, '\\');
$parts = explode('\\', $class);
$part_0 = array_shift($parts);
if( !$parts ){
return;
}
//gp namespace
if( $part_0 === 'gp' ){
$path = $dataDir . '/include/' . implode('/', $parts) . '.php';
if( file_exists($path) ){
include_once( $path );
}else{
trigger_error('Autoload for gp namespace failed. Class: ' . $class . ' path: ' . $path);
}
return;
}
//look for addon namespace
if( $part_0 === 'Addon' ){
$namespace = array_shift($parts);
if( !$parts ){
return;
}
foreach($config['addons'] as $addon_key => $addon){
if( isset($addon['Namespace']) && $addon['Namespace'] == $namespace ){
\gp\tool\Plugins::SetDataFolder($addon_key);
$path = \gp\tool\Plugins::$current['code_folder_full'] . '/' . implode('/', $parts) . '.php';
if( file_exists($path) ){
include_once($path);
}else{
trigger_error('Autoload for addon namespace failed. Class: ' . $class . ' path: ' . $path);
}
\gp\tool\Plugins::ClearDataFolder();
}
}
return;
}
//thirdparty
$path = $dataDir . '/include/thirdparty/' . str_replace('\\', '/', $class) . '.php';
if( file_exists($path) ){
include_once($path);
}
}
/**
* Reject Invalid Requests
*
*/
public static function CheckRequest(){
if( count($_POST) == 0 ){
return;
}
if( !isset($_SERVER['CONTENT_LENGTH']) ){
header('HTTP/1.1 503 Service Temporarily Unavailable');
header('Status: 503 Service Temporarily Unavailable');
header('Retry-After: 300');//300 seconds
die();
}
if( function_exists('getallheaders') ){
$headers = getallheaders();
if( !isset($headers['Content-Length']) ){
header('HTTP/1.1 503 Service Temporarily Unavailable');
header('Status: 503 Service Temporarily Unavailable');
header('Retry-After: 300');//300 seconds
die();
}
}
}
public static function SetGlobalPaths($DirectoriesAway, $expecting){
global $dataDir, $dirPrefix, $rootDir;
$rootDir = self::DirName(__FILE__, 2);
// dataDir, make sure it contains $expecting. Some servers using cgi do not set this properly
// required for the Multi-Site plugin
$dataDir = self::GetEnv('SCRIPT_FILENAME', $expecting);
if( $dataDir !== false ){
$dataDir = self::ReduceGlobalPath($dataDir, $DirectoriesAway);
}else{
$dataDir = $rootDir;
}
if( $dataDir == '/' ){
$dataDir = '';
}
//$dirPrefix
$dirPrefix = self::GetEnv('SCRIPT_NAME', $expecting);
if( $dirPrefix === false ){
$dirPrefix = self::GetEnv('PHP_SELF', $expecting);
}
//remove everything after $expecting, $dirPrefix can at times include the PATH_INFO
$pos = strpos($dirPrefix,$expecting);
$dirPrefix = substr($dirPrefix, 0, $pos+strlen($expecting));
$dirPrefix = self::ReduceGlobalPath($dirPrefix, $DirectoriesAway);
if( $dirPrefix == '/' ){
$dirPrefix = '';
}
}
/**
* Convert backslashes to forward slashes
*
*/
public static function WinPath($path){
return str_replace('\\', '/', $path);
}
/**
* Returns parent directory's path with forward slashes
* php's dirname() method may change slashes from / to \
*
*/
public static function DirName($path, $dirs=1){
for($i = 0; $i < $dirs; $i++){
$path = dirname($path);
}
return self::WinPath( $path );
}
/**
* Determine if this installation is supressing index.php in urls or not
*
*/
public static function SetLinkPrefix(){
global $linkPrefix, $dirPrefix, $config;
$linkPrefix = $dirPrefix;
// gp_rewrite = 'On' and gp_rewrite = 'gpuniq' are deprecated since 4.1
// gp_rewrite = bool will still be used internally
if( isset($_SERVER['gp_rewrite']) ){
if( $_SERVER['gp_rewrite'] === true || $_SERVER['gp_rewrite'] == 'On' ){
$_SERVER['gp_rewrite'] = true;
}elseif( $_SERVER['gp_rewrite'] == @substr($config['gpuniq'], 0, 7) ){
$_SERVER['gp_rewrite'] = true;
}
}elseif( isset($_REQUEST['gp_rewrite']) ){
$_SERVER['gp_rewrite'] = true;
// gp_indexphp is deprecated since 4.1
}elseif( defined('gp_indexphp') ){
if( \gp_indexphp === false ){
$_SERVER['gp_rewrite'] = true;
}
}
unset($_GET['gp_rewrite']);
unset($_REQUEST['gp_rewrite']);
if( !isset($_SERVER['gp_rewrite']) ){
$_SERVER['gp_rewrite'] = false;
}
if( !$_SERVER['gp_rewrite'] ){
$linkPrefix .= '/index.php';
}
}
/**
* Get the environment variable and make sure it contains an expected value
*
* @param string $var The key of the requested environment variable
* @param string $expected Optional string that is expected as part of the environment variable value
*
* @return mixed Returns false if $expected is not found, otherwise it returns the environment value.
*
*/
public static function GetEnv($var, $expecting=false){
$value = false;
if( isset($_SERVER[$var]) ){
$value = $_SERVER[$var];
}else{
$value = getenv($var);
}
if( $expecting && strpos($value, $expecting) === false ){
return false;
}
return $value;
}
/**
* Get the ini value and return a boolean casted value when appropriate: On, Off, 1, 0, True, False, Yes, No
*
*/
public static function IniGet($key){
$value = ini_get($key);
if( empty($value) ){
return false;
}
$lower_value = trim(strtolower($value));
switch($lower_value){
case 'true':
case 'yes':
case 'on':
case '1':
return true;
case 'false':
case 'no':
case 'off':
case '0':
return false;
}
return $value;
}
public static function ReduceGlobalPath($path, $DirectoriesAway){
return self::DirName($path, $DirectoriesAway + 1);
}
//use dirPrefix to find requested level
public static function RequestLevel(){
global $dirPrefixRel, $dirPrefix;
$path = $_SERVER['REQUEST_URI'];
//strip the query string.. in case it contains "/"
$pos = mb_strpos($path, '?');
if( $pos > 0 ){
$path = mb_substr($path, 0, $pos);
}
//dirPrefix will be percent-decoded
$path = rawurldecode($path); //%20 ...
if( !empty($dirPrefix) ){
$pos = mb_strpos($path, $dirPrefix);
if( $pos !== false ){
$path = mb_substr($path, $pos + mb_strlen($dirPrefix));
}
}
$path = ltrim($path, '/');
$count = substr_count($path, '/');
if( $count == 0 ){
$dirPrefixRel = '.';
}else{
$dirPrefixRel = str_repeat('../', $count);
$dirPrefixRel = rtrim($dirPrefixRel, '/'); //GetDir() arguments always start with /
}
}
/**
* Escape ampersands in hyperlink attributes and other html tag attributes
*
* @param string $str The string value of an html attribute
* @return string The escaped string
*/
public static function Ampersands($str){
return preg_replace('/&(?![#a-zA-Z0-9]{2,9};)/S', '&amp;', $str);
}
/**
* Similar to htmlspecialchars, but designed for labels
* Does not convert existing ampersands "&"
*
*/
public static function LabelSpecialChars($string){
return str_replace(
['<', '>', '"', "'"],
['&lt;', '&gt;', '&quot;', '&#39;'],
$string
);
}
/**
* Return an html hyperlink
*
* @param string $href The href value relative to the installation root (without index.php)
* @param string $label Text or html to be displayed within the hyperlink
* @param string $query Optional query to be used with the href
* @param string|array $attr Optional string of attributes like title=".." and class=".."
* @param mixed $nonce_action If false, no nonce will be added to the query. Given a string, it will be used as the first argument in \gp\tool\Nonce::Create()
*
* @return string The formatted html hyperlink
*/
public static function Link($href='', $label='', $query='', $attr='', $nonce_action=false){
return '<a href="' . self::GetUrl($href, $query, true, $nonce_action) . '" '
. self::LinkAttr($attr,$label) . '>'
. self::Ampersands($label)
. '</a>';
}
/**
* @param string|array $attr
* @param string $label
*/
public static function LinkAttr($attr='', $label=''){
$string = '';
$has_title = false;
if( is_array($attr) ){
// update old <a name="cmd"> links to <a data-cmd="cmd">
// @deprecated
$attr = array_change_key_case($attr);
$has_title = isset($attr['title']);
if( isset($attr['name']) && !isset($attr['data-cmd']) ){
trigger_error('deprecated use of name attribute (use data-cmd attribute instead)');
$attr['data-cmd'] = $attr['name'];
unset($attr['name']);
}
$nonce_cmds = ['creq', 'cnreq', 'postlink', 'post'];
if( isset($attr['data-cmd']) && in_array($attr['data-cmd'], $nonce_cmds) ){
$attr['data-nonce'] = \gp\tool\Nonce::Create('post', true);
}
$string = \gp\tool\HTML::Attributes($attr);
}else{
$string = $attr;
if( strpos($attr, 'title="') !== false){
$has_title = true;
}
// backwards compatibility hack to be removed in future releases
// @since 3.6
if( strpos($string, 'name="postlink"') !== false ){
trigger_error('deprecated use of name attribute (use data-cmd attribute instead)');
$string .= ' data-nonce="' . \gp\tool\Nonce::Create('post', true) . '"';
// @since 4.1
}elseif( strpos($string, 'name="cnreq"') !== false || strpos($string, 'name="creq"') !== false ){
trigger_error('deprecated use of name attribute (use data-cmd attribute instead)');
$string .= ' data-nonce="' . \gp\tool\Nonce::Create('post', true) . '"';
}
}
if( !$has_title && !empty($label) ){
$string .= ' title="' . self::Ampersands(strip_tags($label)) . '" ';
}
return trim($string);
}
/**
* Return an html hyperlink for a page
*
* @param string $title The title of the page
* @return string The formatted html hyperlink
*/
public static function Link_Page($title=''){
global $config, $gp_index;
if( empty($title) && !empty($config['homepath']) ){
$title = $config['homepath'];
}
$label = self::GetLabel($title);
return self::Link($title, $label);
}
public static function GetUrl($href='', $query='', $ampersands=true, $nonce_action=false){
global $linkPrefix, $config;
$filtered = \gp\tool\Plugins::Filter('GetUrl', [[$href, $query]]);
if( is_array($filtered) ){
list($href, $query) = $filtered;
}
$href = self::SpecialHref($href);
//home page link
if( isset($config['homepath']) && $href == $config['homepath'] ){
$href = $linkPrefix;
if( !$_SERVER['gp_rewrite'] ){
$href = self::DirName($href);
}
$href = rtrim($href, '/') . '/';
}else{
$href = $linkPrefix . '/' . ltrim($href, '/');
}
$query = self::QueryEncode($query,$ampersands);
if( $nonce_action ){
$nonce = \gp\tool\Nonce::Create($nonce_action);
if( !empty($query) ){
$query .= '&'; //in the cases where $ampersands is false, nonces are not used
}
$query .= '_gpnonce=' . $nonce;
}
if( !empty($query) ){
$query = '?' . ltrim($query, '?');
}
return self::HrefEncode($href, $ampersands) . $query;
}
/**
* translate special pages from key to title
*
*/
public static function SpecialHref($href){
global $gp_index;
$href2 = ''; $href .= '';
$pos = mb_strpos($href, '/');
if( $pos !== false ){
$href2 = mb_substr($href, $pos);
$href = mb_substr($href, 0, $pos);
}
$lower = mb_strtolower($href);
if( !isset($gp_index[$href]) &&
strpos($lower, 'special_') === 0 &&
$index_title = self::IndexToTitle($lower)
){
$href = $index_title;
}
return $href . $href2;
}
/**
* RawUrlEncode but keeps the following characters: &, /, \
* Slash is needed for hierarchical links
* In case you'd like to learn about percent encoding: http://www.blooberry.com/indexdot/html/topics/urlencoding.htm
*
*/
public static function HrefEncode($href, $ampersands=true){
$ampersand = '&';
if( $ampersands ){
$ampersand = '&amp;';
}
$href = rawurlencode($href);
return str_replace(
['%26amp%3B', '%26', '%2F', '%5C'],
[$ampersand, $ampersand, '/', '\\'],
$href
);
}
/**
* RawUrlEncode parts of the query string ( characters except & and = )
*
*/
public static function QueryEncode($query, $ampersands=true){
if( empty($query) ){
return '';
}
$query = str_replace('+', '%20', $query); //in case urlencode() was used instead of rawurlencode()
if( strpos($query, '&amp;') !== false ){
$parts = explode('&amp;', $query);
}else{
$parts = explode('&', $query);
}
$ampersand = $query = '';
foreach($parts as $part){
if( strpos($part, '=') ){
list($key,$value) = explode('=', $part, 2);
$query .= $ampersand . rawurlencode(rawurldecode($key)) . '=' . rawurlencode(rawurldecode($value));
}else{
$query .= $ampersand.rawurlencode(rawurldecode($part));
}
if( $ampersands ){
$ampersand = '&amp;';
}else{
$ampersand = '&';
}
}
return $query;
}
public static function AbsoluteLink($href, $label, $query='', $attr=''){
if( strpos($attr,'title="') === false){
$attr .= ' title="' . htmlspecialchars(strip_tags($label)) . '" ';
}
return '<a href="' . self::AbsoluteUrl($href, $query) . '" ' . $attr . '>' . self::Ampersands($label) . '</a>';
}
public static function AbsoluteUrl($href='', $query='', $with_schema=true, $ampersands=true, $with_port=false){
$server = self::ServerName(false, $with_port);
if( $server === false ){
return self::GetUrl($href, $query, $ampersands);
}
$schema = '';
if( $with_schema ){
$schema = ( isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) == 'on' ) ? 'https://' : 'http://';
}
return $schema.$server.self::GetUrl($href,$query,$ampersands);
}
/**
* Return ther server name
*
*/
public static function ServerName($strip_www=false, $with_port=false){
$add_port = '';
if( isset($_SERVER['SERVER_NAME']) ){
$server = self::UrlChars($_SERVER['SERVER_NAME']);
if( $with_port && isset($_SERVER['SERVER_PORT']) ){
$port = $_SERVER['SERVER_PORT'];
if( $port != 80 && $port != 443 ){
$add_port = ':' . $port;
}
}
}else{
return false;
}
if( $strip_www && strpos($server, 'www.') === 0 ){
$server = substr($server, 4);
}
return $server . $add_port;
}
public static function UrlChars($string){
$string = str_replace(' ', '%20', $string);
return preg_replace('|[^a-z0-9-~+_.?#=!&;,/:%@$\|*\'()\[\]\\x80-\\xff]|i', '', $string);
}
/**
* Get the full path of a physical file on the server
* The query string component of a path should not be included but will be protected from being encoded
*
*/
public static function GetDir($dir='', $ampersands=false){
global $dirPrefix;
$query = '';
$pos = mb_strpos($dir, '?');
if( $pos !== false ){
$query = mb_substr($dir, $pos);
$dir = mb_substr($dir, 0, $pos);
}
$dir = $dirPrefix . '/' . ltrim($dir, '/');
return self::HrefEncode($dir, $ampersands) . $query;
}
/**
* Get the label for a page from it's index
* @param string $index
* @param bool $amp Whether or not to escape ampersand characters
*/
public static function GetLabelIndex($index=null, $amp=false){
global $gp_titles,$langmessage;
$info = [];
if( isset($gp_titles[$index]) ){
$info = $gp_titles[$index];
}
if( isset($info['label']) ){
$return = $info['label'];
}elseif( isset($info['lang_index']) ){
$return = $langmessage[$info['lang_index']];
}else{
$return = self::IndexToTitle($index);
$return = \gp\tool\Files::CleanLabel($return);
}
if( $amp ){
return str_replace('&', '&amp;', $return);
}
return $return;
}
/**
* Get the label for a page from it's title
* @param string $title
*
*/
public static function GetLabel($title=null){
global $gp_titles, $gp_index, $langmessage;
$return = false;
if( isset($gp_index[$title]) ){
$id = $gp_index[$title];
$info =& $gp_titles[$id];
if( isset($info['label']) ){
$return = $info['label'];
}elseif( isset($info['lang_index']) ){
$return = $langmessage[$info['lang_index']];
}
}
if( $return === false ){
$return = \gp\tool\Files::CleanLabel($title);
}
return $return;
}
/**
* Get the browser title for a page
* @param string $title
*
*/
public static function GetBrowserTitle($title){
global $gp_titles, $gp_index;
if( !isset($gp_index[$title]) ){
return false;
}
$index = $gp_index[$title];
$title_info = $gp_titles[$index];
if( isset($title_info['browser_title']) ){
return $title_info['browser_title'];
}
$label = self::GetLabel($title);
return strip_tags($label);
}
/**
* Add js and css components to the current web page
*
* @static
* @since 2.0b1
* @param array|string $names can be either a csv (with or without space characters) or an array. Since 5.1.1
*/
public static function LoadComponents($names=''){
if( gettype($names) == 'array' ){
$names = implode(',', $names);
}
\gp\tool\Output::$components .= ',' . $names . ',';
\gp\tool\Output::$components = str_replace(',,', ',', \gp\tool\Output::$components);
\gp\tool\Output::$components = str_replace(' ', '', \gp\tool\Output::$components);
}
/**
* Add gallery js and css to the <head> section of a page
*
*/
public static function ShowingGallery(){
global $page, $config;
static $showing = false;
if( $showing ){
return;
}
$showing = true;
self::AddColorBox();
$css = \gp\tool\Plugins::OneFilter('Gallery_Style');
if( $css === false ){
if( !empty($config['gallery_legacy_style']) ){
$page->css_user[] = '/include/css/legacy_gallery.css';
return;
}
$page->css_user[] = '/include/css/default_gallery.css';
self::LoadComponents('dotdotdot');
$page->jQueryCode .= "\n" .
'$(".filetype-gallery .caption")'.
'.dotdotdot({ ' .
'watch : "window", ' .
'callback : function(isTruncated, orgContent){ ' .
'$(this).data("originalContent", orgContent); ' .
'}' .
'});';
if( \gp\tool::LoggedIn() ){
$page->head_script .= "\n" .
'var gallery_editing_options = { legacy_style : false };';
$page->jQueryCode .= "\n" .
'$(document).on("editor_area:loaded", function(){ ' .
'$(".filetype-gallery .caption").trigger("destroy.dot"); ' .
'});';
}
return;
}
$page->head .= "\n" .
'<link type="text/css" media="screen" rel="stylesheet" href="' . $css . '" />';
}
public static function AddColorBox(){
global $page, $config, $dataDir;
static $init = false;
if( $init ){
return;
}
$init = true;
// use page->lang for colorbox
if( isset($page->lang) &&
$page->lang != $config['language'] &&
file_exists($dataDir . '/include/languages/' . $page->lang . '.main.inc')
){
include($dataDir . '/include/languages/' . $page->lang . '.main.inc');
}else{
global $langmessage;
}
\gp\tool\Output::$inline_vars['colorbox_lang'] = [
'previous' => $langmessage['Previous'],
'next' => $langmessage['Next'],
'close' => $langmessage['Close'],
'caption' => $langmessage['caption'],
'current' => sprintf($langmessage['Image_of'],'{current}','{total}')
]; //'Start Slideshow'=>'slideshowStart', 'Stop Slideshow'=>'slideshowStop'
self::LoadComponents('colorbox');
}
/**
* Set the $config array from /data/_site/config.php
*
*/
public static function GetConfig(){
global $config, $gp_hooks;
$config = \gp\tool\Files::Get('_site/config');
if( !is_array($config) || !array_key_exists('gpversion', $config) ){
self::stop();
}
//make sure defaults are set
$config += [
'maximgarea' => '2073600',
'preserve_icc_profiles' => true, //5.1
'preserve_image_metadata' => true, //5.1
'maxthumbsize' => '300',
'maxthumbheight' => '', //5.1
'thumbskeepaspect' => false,
'check_uploads' => false,
'colorbox_style' => 'example1',
'gallery_legacy_style' => true,
'combinecss' => true,
'combinejs' => true,
'minifyjs' => false, //5.2
'etag_headers' => true,
'customlang' => [],
'showgplink' => true,
'showsitemap' => true,
'showlogin' => true,
'auto_redir' => 90, //2.5
'history_limit' => min(gp_backup_limit, 30),
'resize_images' => true, //3.5
'addons' => [],
'themes' => [],
'gadgets' => [],
'passhash' => 'sha1',
'hooks' => [],
'space_char' => '-', //4.6
'cdn' => '',
'admin_ui_autohide_below' => '992', //5.2
'admin_ui_hotkey' => 'H', //5.2
'admin_ui_hotkey_code' => 'ctrlKey+72', //5.2
'homepath_auto' => true, //5.2
];
//cdn settings
if( isset($config['jquery']) && $config['jquery'] != 'local' ){
$config['cdn'] = 'CloudFlare';
unset($config['jquery']);
}
//shahash deprecated 4.0
if( isset($config['shahash']) && !$config['shahash'] ){
$config['passhash'] = 'md5';
}
// default gadgets
$config['gadgets']['Contact'] = ['class' => '\\gp\\special\\ContactGadget'];
$config['gadgets']['Search'] = ['method' => ['\\gp\\special\\Search', 'gadget']];
$config['gadgets']['Admin_Link'] = ['method' => ['\\gp\\tool\\Output', 'AdminLinkGadget']];
$config['gadgets']['Login_Link'] = ['method' => ['\\gp\\tool\\Output', 'LoginLinkGadget']];
foreach($config['hooks'] as $hook => $hook_info){
if( isset($gp_hooks[$hook]) ){
$gp_hooks[$hook] += $hook_info;
}else{
$gp_hooks[$hook] = $hook_info;
}
}
self::GetLangFile();
self::GetPagesPHP();
//upgrade?
if( version_compare($config['gpversion'], '2.3.4', '<') ){
new \gp\tool\Upgrade();
}
}
/**
* Stop loading
* Check to see if the cms has already been installed
*
*/
public static function stop(){
global $dataDir;
if( !\gp\tool::Installed() ){
if( file_exists($dataDir . '/include/install/install.php') ){
self::SetLinkPrefix();
includeFile('install/install.php');
die();
}
}
die(
'<p>Notice: The site configuration did not load properly.</p>'
. '<p>If you are the site administrator, you can troubleshoot the problem turning '
. 'debugging "on" or bypass it by enabling ' . \CMS_NAME . ' safe mode.</p>'
. '<p>More information is available in the '
. '<a href="' . \CMS_DOMAIN . '/Docs/Main/Troubleshooting">Documentation</a>.</p>'
. self::ErrorBuffer(true, false)
);
}
/**
* Return true if
*
*/
public static function Installed(){
global $dataDir;
return \gp\tool\Files::Exists($dataDir . '/data/_site/config.php');
}
/**
* Set global variables ($gp_index, $gp_titles, $gp_menu and $gpLayouts) from _site/pages.php
*
*/
public static function GetPagesPHP(){
global $gp_index, $gp_titles, $gp_menu, $gpLayouts, $config;
$pages = \gp\tool\Files::Get('_site/pages');
$gpLayouts = $pages['gpLayouts'];
$gp_index = $pages['gp_index'];
$gp_titles = $pages['gp_titles'];
$gp_menu = $pages['gp_menu'];
if( !is_array($gp_menu) ){
self::stop();
}
//title related configuration settings
if( empty($config['homepath_key']) ){
$config['homepath_key'] = key($gp_menu);
}
$config['homepath'] = self::IndexToTitle($config['homepath_key']);
}
/**
* Generate a new file index
* skip indexes that are just numeric
*/
public static function NewFileIndex(){
global $gp_index, $gp_titles, $dataDir, $config;
$last_index = 'a';
$num_index = 0;
/*prevent reusing old indexes */
if( count($gp_index) > 0 ){
$max = count($gp_index);
$title = end($gp_index);
for($i = $max; $i > 0; $i--){
$last_index = current($gp_index);
$type = self::SpecialOrAdmin($title);
if( $type === 'special' ){
$title = prev($gp_index);
continue;
}
$i = 0;
}
reset($gp_index);
$num_index = base_convert($last_index, 36, 10);
$num_index++;
}
do{
$index = base_convert($num_index, 10, 36);
$num_index++;
//check backup dir
$backup_dir = $dataDir . '/data/_backup/pages/' . $index;
if( file_exists($backup_dir) ){
$index = false;
continue;
}
//check for page directory
$draft_file = $dataDir . '/data/_pages/' . substr($config['gpuniq'], 0, 7) . '_' . $index;
if( file_exists($draft_file) ){
$index = false;
continue;
}
}while( !$index || is_numeric($index) || isset($gp_titles[$index]) );
return $index;
}
/**
* Return the title of file using the index
* Will return false for titles that are external links
* @param string $index The index of the file
*/
public static function IndexToTitle($index){
global $gp_index;
return array_search($index, $gp_index);
}
/**
* Traverse the $menu upwards looking for the parents of the a title given by it's index
* @param string $index The data index of the child title
* @return array
*
*/
public static function Parents($index, $menu){
$parents = [];
if( !isset($menu[$index]) || !isset($menu[$index]['level']) ){
return $parents;
}
$checkLevel = $menu[$index]['level'];
$menu_ids = array_keys($menu);
$key = array_search($index, $menu_ids);
for($i = ($key-1); $i >= 0; $i--){
$id = $menu_ids[$i];
//check the level
$level = $menu[$id]['level'];
if( $level >= $checkLevel ){
continue;
}
$checkLevel = $level;
$parents[] = $id;
//no need to go further
if( $level == 0 ){
return $parents;
}
}
return $parents;
}
/**
* Traverse the $menu and gather all the descendants of a title given by it's $index
* @param string $index The data index of the child title
* @param array $menu The menu to use to check for descendants
* @param bool $children_only Option to return a list of children instead of all descendants. Since 4.3
* @return array
*/
public static function Descendants($index, $menu, $children_only=false){
$titles = [];
if( !isset($menu[$index]) || !isset($menu[$index]['level']) ){
return $titles;
}
$start_level = $menu[$index]['level'];
$menu_ids = array_keys($menu);
$key = array_search($index, $menu_ids);
$count = count($menu);
for($i = ($key+1); $i < $count; $i++){
$id = $menu_ids[$i];
$level = $menu[$id]['level'];
if( $level <= $start_level ){
return $titles;
}
if( !$children_only ){
$titles[] = $id;
}elseif( $level == $start_level + 1 ){
$titles[] = $id;
}
}
return $titles;
}
/**
* Return the configuration value or default if it's not set
*
* @since 1.7
*
* @param string $key The key to the $config array
* @param mixed $default The value to return if $config[$key] is not set
* @return mixed
*/
public static function ConfigValue($key, $default=false){
global $config;
if( !isset($config[$key]) ){
return $default;
}
return $config[$key];
}
/**
* Generate a random alphanumeric string of variable length
*
* @param int $len length of string to return
* @param bool $cases Whether or not to use upper and lowercase characters
*/
public static function RandomString($len=40, $cases=true){
$string = 'abcdefghijklmnopqrstuvwxyz1234567890';
if( $cases ){
$string .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
}
$string = str_repeat($string, (int)round($len / 2));
$string = str_shuffle($string);
$start = mt_rand(1, (strlen($string) - $len));
return substr($string, $start, $len);
}
/**
* Include the main.inc language file for $language
*
*/
public static function GetLangFile($file='main.inc', $language=false){
global $dataDir, $config, $langmessage;
$language = $language ? $language : $config['language'];
$path = $dataDir.'/include/languages/' . $language . '.main.inc';
if( !file_exists($path) ){
include($dataDir . '/include/languages/en.main.inc'); //default to en
return false;
}
include($path);
return true;
}
/**
* Get translation of a $langmessage key
* @since 5.2
* @param string key to be found in the $langmessage array
* @param string optional language code (de, fr, …) of the language to be loaded.
* if omitted the current CMS language will be used.
* @return string the translation if it exists, otherwise the passed term
*
*/
public static function Translate($term, $lang=false){
global $dataDir;
if( empty($lang) ){
// use CMS language
global $langmessage;
}else{
$path = $dataDir . '/include/languages/' . $lang . '.main.inc';
if( !file_exists($path) ){
return $term;
}
include($path);
}
return isset($langmessage[$term]) ? $langmessage[$term] : $term;
}
/**
* Determine if the $title is a special or admin page
* @param string $title
* @return mixed 'admin','special' or false
*/
public static function SpecialOrAdmin($title){
global $gp_index, $gp_titles;
$lower_title = strtolower($title);
if( $lower_title === 'admin' ){
return 'admin';
}elseif( strpos($lower_title, 'admin_') === 0 || strpos($lower_title, 'admin/') === 0 ){
return 'admin';
}
if( strpos($lower_title, 'special_') === 0 ){
return 'special';
}
$parts = explode('/', $title);
do{
$title = implode('/', $parts);
if( isset($gp_index[$title]) ){
$key = $gp_index[$title];
$info = $gp_titles[$key];
if( $info['type'] == 'special' ){
return 'special';
}
}
array_pop($parts);
}while( count($parts) );
return false;
}
/**
* Return the name of the page being requested based on $_SERVER['REQUEST_URI']
* May also redirect the request
*
* @return string The title to display based on the request uri
*
*/
public static function WhichPage(){
global $config, $gp_menu;
$path = \gp\tool\Editing::Sanitize($_SERVER['REQUEST_URI']);
$path = self::CleanRequest($path);
$pos = mb_strpos($path, '?');
if( $pos !== false ){
$path = mb_substr($path, 0, $pos);
}
$path = \gp\tool\Plugins::Filter('WhichPage', [$path]);
//redirect if an "external link" is the first entry of the main menu
if( empty($path) && isset($gp_menu[$config['homepath_key']]) ){
$homepath_info = $gp_menu[$config['homepath_key']];
if( isset($homepath_info['url']) ){
self::Redirect($homepath_info['url'], 302);
}
}
if( empty($path) ){
return $config['homepath'];
}
//redirect to / for homepath request
if( isset($config['homepath']) && $path == $config['homepath'] ){
self::Redirect(self::GetUrl('', '', false));
}
return $path;
}
/**
* Redirect the request to $path with http $code
*
* @param string|array $path url to redirect to
* @param string $code http redirect code: 301 or 302
*
*/
public static function Redirect($path, $code=302){
global $wbMessageBuffer, $gpAdmin;
// if $path is an array, generate a url with \gp\tool::GetUrl($path);
// add gpreq and jsoncallback to maintain ajax requests
if( is_array($path) ){
$add_query = ['gpreq' => 1, 'jsoncallback' => 1];
$add_query = array_intersect_key($_REQUEST, $add_query);
$path += [1=>[]];
$path[1] += $add_query;
$path = \gp\tool::GetUrl($path[0], http_build_query($path[1], '', '&'), false);
}
//store any messages for display after the redirect
if( self::LoggedIn() && count($wbMessageBuffer) ){
$gpAdmin['message_buffer'] = $wbMessageBuffer;
}
//prevent a cache from creating an infinite redirect
Header('Last-Modified: ' . gmdate('D, j M Y H:i:s') . ' GMT');
Header('Expires: ' . gmdate('D, j M Y H:i:s', time()) . ' GMT');
Header('Cache-Control: no-store, no-cache, must-revalidate'); // HTTP/1.1
Header('Cache-Control: post-check=0, pre-check=0', false);
Header('Pragma: no-cache' ); // HTTP/1.0
switch((int)$code){
case 301:
self::status_header(301, 'Moved Permanently');
break;
case 302:
self::status_header(302, 'Found');
break;
}
header('Location: ' . $path);
die();
}
/**
* Remove $dirPrefix and index.php from a path to get the page title
*
* @param string $path A full relative url like /install_dir/index.php/request_title
*
*/
public static function CleanRequest($path){
global $dirPrefix;
//use dirPrefix to find requested title
if( !empty($dirPrefix) ){
$pos = strpos($path, $dirPrefix);
if( $pos !== false ){
$path = substr($path, $pos + strlen($dirPrefix));
}
}
//remove /index.php/
$pos = strpos($path, '/index.php');
if( $pos === 0 ){
$path = substr($path, 11);
}
$path = ltrim($path, '/');
return $path;
}
/**
* Handle admin login/logout/session_start if admin session parameters exist
*
*/
public static function sessions(){
//alternate sessions
if( defined('gpcom_sessions') ){
include(gpcom_sessions);
}
$cmd = '';
if( isset($_GET['cmd']) && $_GET['cmd'] == 'logout' ){
$cmd = 'logout';
}elseif( isset($_POST['cmd']) && $_POST['cmd'] == 'login' ){
$cmd = $_POST['cmd'];
}elseif( count($_COOKIE) ){
foreach($_COOKIE as $key => $value){
if( strpos($key, 'gpEasy_') === 0 ){
$cmd = 'start';
break;
}
}
}
if( empty($cmd) ){
return;
}
\gp\tool\Session::Init();
}
/**
* Return true if an administrator is logged in
* @return bool
*/
public static function LoggedIn(){
global $gpAdmin;
$loggedin = false;
if( isset($gpAdmin) && is_array($gpAdmin) ){
$loggedin = true;
}
return \gp\tool\Plugins::Filter('LoggedIn', [$loggedin]);
}
/**
* @deprecated
* Create a new nonce
* Deprecated as of Typesetter 5.2
* Use \gp\tool\Nonce::Create() instead
*/
public static function new_nonce($action='none', $anon=false, $factor=43200){
// trigger_error('Deprecated: \gp\tool::new_nonce(), use \gp\tool\Nonce::Create() instead', E_USER_WARNING);
return \gp\tool\Nonce::Create($action, $anon, $factor);
}
/**
* @deprecated
* Verify a nonce ($check_nonce)
* Deprecated as of Typesetter 5.2
* Use \gp\tool\Nonce::Verify() instead
*
* @param string $action Should be the same $action that is passed to new_nonce()
* @param mixed $check_nonce The user submitted nonce or false if $_REQUEST['_gpnonce'] can be used
* @param bool $anon True if the nonce is being used for anonymous users
* @param int $factor Determines the length of time the generated nonce will be valid. The default 43200 will result in a 24hr period of time.
* @return mixed Return false if the $check_nonce did not pass. 1 or 2 if it passes.
*
*/
public static function verify_nonce($action='none', $check_nonce=false, $anon=false, $factor=43200){
// trigger_error('Deprecated: \gp\tool::verify_nonce(), use \gp\tool\Nonce::Verify() instead', E_USER_WARNING);
return \gp\tool\Nonce::Verify($action, $check_nonce, $anon, $factor);
}
/**
* @deprecated
* Generate a nonce hash
* Deprecated as of Typesetter 5.2
* Use \gp\tool\Nonce::Hash() instead
*
* @param string $nonce
* @param int $tick_offset
* @param int $factor Determines the length of time the generated nonce will be valid. The default 43200 will result in a 24hr period of time.
*
*/
public static function nonce_hash($nonce, $tick_offset=0, $factor=43200){
// trigger_error('Deprecated: \gp\tool::nonce_hash(), use \gp\tool\Nonce::Hash() instead', E_USER_WARNING);
return \gp\tool\Nonce::Hash($nonce, $tick_offset, $factor);
}
/**
* Return the command sent by the user
* Don't use $_REQUEST here because SetCookieArgs() uses $_GET
*
*/
public static function GetCommand($type='cmd'){
global $gpAdmin;
if( is_array($gpAdmin) && isset($gpAdmin['locked']) && $gpAdmin['locked'] ){
return false;
}
if( isset($_POST[$type]) ){
return $_POST[$type];
}
if( isset($_GET[$type]) ){
return $_GET[$type];
}
return false;
}
/**
* Used for receiving arguments from javascript without having to put variables in the $_GET request
* nice for things that shouldn't be repeated!
*/
public static function SetCookieArgs(){
static $done = false;
if( $done || !gp_cookie_cmd ){
return;
}
self::RawCookies();
//get cookie arguments
if( empty($_COOKIE['cookie_cmd']) ){
return;
}
$test = $_COOKIE['cookie_cmd'];
if( $test[0] === '?' ){
$test = substr($test, 1);
}
parse_str($test,$cookie_args);
if( !$cookie_args ){
return;
}
//parse_str will overwrite values in $_GET/$_REQUEST
$_GET = $cookie_args + $_GET;
$_REQUEST = $cookie_args + $_REQUEST;
//for requests with verification, we'll set $_POST
if( !empty($_GET['verified']) ){
$_POST = $cookie_args + $_POST;
}
$done = true;
}
/**
* Fix the $_COOKIE array if RAW_HTTP_COOKIE is set
* Some servers encrypt cookie values before sending them to the client
* Since cookies set by the client (with JavaScript) are not encrypted,
* the values won't be set in $_COOOKIE
*
*/
public static function RawCookies(){
if( empty($_SERVER['RAW_HTTP_COOKIE']) ){
return;
}
$csplit = explode(';', $_SERVER['RAW_HTTP_COOKIE']);
foreach($csplit as $pair){
if( !strpos($pair, '=') ){
continue;
}
list($key, $value) = explode('=', $pair);
$key = rawurldecode(trim($key));
if( !array_key_exists($key, $_COOKIE) ){
$_COOKIE[$key] = rawurldecode(trim($value));
}
}
}
/**
* Output Javascript code to set variable defaults
*
*/
public static function JsStart(){
global $linkPrefix;
//default Variables
\gp\tool\Output::$inline_vars['isadmin'] = false;
\gp\tool\Output::$inline_vars['gpBase'] = rtrim(self::GetDir(''), '/');
\gp\tool\Output::$inline_vars['post_nonce'] = '';
\gp\tool\Output::$inline_vars['req_type'] = strtolower(htmlspecialchars($_SERVER['REQUEST_METHOD']));
if( \gpdebugjs ){
if( is_string(\gpdebugjs) ){
\gp\tool\Output::$inline_vars['debugjs'] = 'send';
}else{
\gp\tool\Output::$inline_vars['debugjs'] = true;
}
}else{
\gp\tool\Output::$inline_vars['debugjs'] = false;
}
if( self::LoggedIn() ){
\gp\tool\Output::$inline_vars['isadmin'] = true;
\gp\tool\Output::$inline_vars['req_time'] = time();
\gp\tool\Output::$inline_vars['gpBLink'] = self::HrefEncode($linkPrefix, false);
\gp\tool\Output::$inline_vars['post_nonce'] = \gp\tool\Nonce::Create('post', true);
\gp\tool\Output::$inline_vars['gpFinderUrl'] = \gp\tool::GetUrl('Admin/Browser');
\gp\tool\Output::$inline_vars['hideAdminUIcfg'] = self::HideAdminUIcfg();
\gp\tool\Session::GPUIVars();
}
echo 'var gplinks={}, gpinputs={}, gpresponse={}';
foreach(\gp\tool\Output::$inline_vars as $key => $value){
echo ',' . $key . '=' . json_encode($value);
}
echo ';';
}
/**
* Get config values for hiding the admin UI
*
* @return array $cfg configuration values
*
*/
public static function HideAdminUIcfg(){
global $config, $langmessage;
$cfg = [
'autohide_below' => 0,
'hotkey' => '',
'hotkey_modkeys' => [],
'hotkey_which' => '',
];
if( !empty($config['admin_ui_autohide_below']) && is_numeric($config['admin_ui_autohide_below']) ){
$cfg['autohide_below'] = (int)$config['admin_ui_autohide_below'];
}
if( !empty($config['admin_ui_hotkey']) && !empty($config['admin_ui_hotkey_code']) ){
$cfg['hotkey'] = $config['admin_ui_hotkey'];
if( strpos($config['admin_ui_hotkey_code'], 'ctrlKey+') !== false ){
$cfg['hotkey_modkeys'][] = 'ctrlKey';
}
if( strpos($config['admin_ui_hotkey_code'], 'shiftKey+') !== false ){
$cfg['hotkey_modkeys'][] = 'shiftKey';
}
if( strpos($config['admin_ui_hotkey_code'], 'altKey+') !== false ){
$cfg['hotkey_modkeys'][] = 'altKey';
}
if( strpos($config['admin_ui_hotkey_code'], 'metaKey+') !== false ){
$cfg['hotkey_modkeys'][] = 'metaKey';
}
$parts = explode('+', $config['admin_ui_hotkey_code']);
$cfg['hotkey_which'] = array_pop($parts);
}
return $cfg;
}
/**
* Return the hash of $arg using the appropriate hashing function for the installation
*
* @param string $arg The string to be hashed
* @param string $algo The hashing algorithm to be used
* @param int $loops The number of times to loop the $arg through the algorithm
*
*/
public static function hash($arg, $algo='sha512', $loops=1000){
$arg = trim($arg);
switch($algo){
//password_hash
case 'password_hash':
$temp = self::hash($arg, 'sha512', 50); // 50 salted sha512, same as in /include/admin/Settings/Users.php -> SetUserPass
return password_hash($temp, PASSWORD_DEFAULT);
//md5
case 'md5':
trigger_error('md5 should not be used, please reset your password');
return md5($arg);
//sha1
case 'sha1':
return sha1($arg);
}
//sha512: looped with dynamic salt
for($i = 0; $i < $loops; $i++){
$ints = preg_replace('#[a-f]#', '', $arg);
$salt_start = (int)substr($ints, 0, 1);
$salt_len = (int)substr($ints, 2, 1);
$salt = substr($arg, $salt_start, $salt_len);
$arg = hash($algo, $arg . $salt);
}
return $arg;
}
public static function AjaxWarning(){
global $page,$langmessage;
$page->ajaxReplace[] = ['gpabox', '', $langmessage['OOPS_Start_over']];
}
public static function IdUrl($request_cmd='cv'){
global $config, $dataDir, $gpLayouts;
//command
$args = [];
$args['cmd'] = $request_cmd;
$_SERVER += ['SERVER_SOFTWARE' => ''];
//checkin
if( isset($config['gpuniq']) ){
$args['mdu'] = substr(md5($config['gpuniq']), 0, 20); // gpuniq won't be set before installation
}
$args['site'] = self::AbsoluteUrl(''); //keep full path for backwards compat
$args['gpv'] = \gpversion;
$args['php'] = phpversion();
$args['se'] = $_SERVER['SERVER_SOFTWARE'];
$args['data'] = $dataDir;
//$args['zlib'] = (int)function_exists('gzcompress');
//service provider
if( defined('service_provider_id') && is_numeric(\service_provider_id) ){
$args['provider'] = \service_provider_id;
}
//plugins
$addon_ids = [];
if( isset($config['addons']) && is_array($config['addons']) ){
self::AddonIds($addon_ids, $config['addons']);
}
//themes
if( isset($config['themes']) && is_array($config['themes']) ){
self::AddonIds($addon_ids, $config['themes']);
}
//layouts
if( is_array($gpLayouts) ){
foreach($gpLayouts as $layout_info){
if( !isset($layout_info['addon_id']) ){
continue;
}
$addon_ids[] = $layout_info['addon_id'];
}
}
$addon_ids = array_unique($addon_ids);
$args['as'] = implode('-', $addon_ids);
return \addon_browse_path . '/Resources?' . http_build_query($args, '', '&');
}
public static function AddonIds(&$addon_ids, $array){
foreach($array as $addon_info){
if( !isset($addon_info['id']) ){
continue;
}
$addon_id = $addon_info['id'];
if( isset($addon_info['order']) ){
$addon_id .= '.' . $addon_info['order'];
}
$addon_ids[] = $addon_id;
}
}
/**
* Used to send error reports without affecting the display of a page
*
*/
public static function IdReq($img_path, $jquery=true){
global $page;
// don't send for unit testing
if( defined('gp_unit_testing') ){
return;
}
//using jquery asynchronously doesn't affect page loading
//error function defined to prevent the default error function in main.js from firing
if( $jquery && is_object($page) ){
$page->head_script .= '$.ajax(' . json_encode($img_path) . ', {error:function(){}, dataType: "jsonp"});';
return;
}
return '<img src="' . self::Ampersands($img_path) . '" height="1" width="1" alt="" '
. 'style="border:0 none!important; height:1px!important; width:1px!important; '
. 'padding:0!important; margin:0!important;"/>';
}
/**
* Return a debug message with link to online debug info
*
*/
public static function Debug($lang_key, $debug=[]){
global $langmessage, $dataDir;
//add backtrace info
$backtrace = debug_backtrace();
while( count($backtrace) > 0 && !empty($backtrace[0]['function']) && $backtrace[0]['function'] == 'Debug' ){
array_shift($backtrace);
}
$debug['trace'] = array_intersect_key(
$backtrace[0],
[
'file' => '',
'line' => '',
'function' => '',
'class' => '',
]
);
if( !empty($debug['trace']['file']) && !empty($dataDir) && strpos($debug['trace']['file'],$dataDir) === 0 ){
$debug['trace']['file'] = substr($debug['trace']['file'], strlen($dataDir) );
}
//add php and cms info
$debug['lang_key'] = $lang_key;
$debug['phpversion'] = phpversion();
$debug['gpversion'] = \gpversion;
$debug['Rewrite'] = $_SERVER['gp_rewrite'];
$debug['Server'] = isset($_SERVER['SERVER_SOFTWARE']) ? $_SERVER['SERVER_SOFTWARE'] : '';
//create string
$debug = json_encode($debug);
$debug = base64_encode($debug);
$debug = trim($debug, '=');
$debug = strtr($debug, '+/', '-_');
$label = isset($langmessage[$lang_key]) ? $langmessage[$lang_key] : $lang_key;
return ' <span>' . $label . ' <a href="' . \debug_path . '?data=' . $debug . '" target="_blank">More Info...</a></span>';
}
//only include error buffer when admin is logged in
public static function ErrorBuffer($check_user=true, $jquery=true){
global $wbErrorBuffer, $config, $dataDir, $rootDir;
if( count($wbErrorBuffer) == 0 ){
return;
}
if( isset($config['Report_Errors']) && !$config['Report_Errors'] ){
return;
}
if( $check_user && !self::LoggedIn() ){
return;
}
$dataDir_len = strlen($dataDir);
$rootDir_len = strlen($rootDir);
$img_path = self::IdUrl('er');
$i = 0;
foreach($wbErrorBuffer as $error){
//remove $dataDir or $rootDir from the filename
$file_name = self::WinPath($error['ef' . $i]);
if( $dataDir_len > 1 && strpos($file_name,$dataDir) === 0 ){
$file_name = substr($file_name, $dataDir_len);
}elseif( $rootDir_len > 1 && strpos($file_name, $rootDir) === 0 ){
$file_name = substr($file_name, $rootDir_len);
}
$error['ef' . $i] = substr($file_name, -100);
$new_path = $img_path . '&' . http_build_query($error, '', '&');
//maximum length of 2000 characters
if( strlen($new_path) > 2000 ){
break;
}
$img_path = $new_path;
$i++;
}
return self::IdReq($img_path, $jquery);
}
/**
* Test if function exists. Also handles case where function is disabled via Suhosin.
* Modified from: http://dev.piwik.org/trac/browser/trunk/plugins/Installation/Controller.php
*
* @param string $function Function name
* @return bool True if function exists (not disabled); False otherwise.
*/
public static function function_exists($function){
$function = strtolower($function);
// eval() is a language construct
if( $function == 'eval' ){
// does not check suhosin.executor.eval.whitelist (or blacklist)
if( extension_loaded('suhosin') && self::IniGet('suhosin.executor.disable_eval') ){
return false;
}
return true;
}
if( !function_exists($function) ){
return false;
}
$blacklist = @ini_get('disable_functions');
if( extension_loaded('suhosin') ){
$blacklist .= ',' . @ini_get('suhosin.executor.func.blacklist');
}
$blacklist = explode(',', $blacklist);
$blacklist = array_map('trim', $blacklist);
$blacklist = array_map('strtolower', $blacklist);
if( in_array($function, $blacklist) ){
return false;
}
return true;
}
/**
* A more functional JSON Encode function
* @param mixed $data
* @return string
*/
public static function JsonEncode($data){
$search = ['<script', '<\/script>'];
$repl = ['<"+"script', '<"+"\/script>'];
$type = gettype($data);
switch( $type ){
case 'NULL':
return 'null';
case 'boolean':
return ($data ? 'true' : 'false');
case 'integer':
case 'double':
case 'float':
return json_encode($data);
case 'string':
$data = htmlspecialchars_decode(htmlspecialchars($data, ENT_SUBSTITUTE, 'UTF-8'));
$data = json_encode($data);
return str_replace($search, $repl, $data);
case 'object':
$data = get_object_vars($data);
case 'array':
$output_index_count = 0;
$output_indexed = [];
$output_associative = [];
foreach( $data as $key => $value ){
$output_indexed[] = self::JsonEncode($value);
$output_associative[] = self::JsonEncode($key) . ':' . self::JsonEncode($value);
if( $output_index_count !== NULL && $output_index_count++ !== $key ){
$output_index_count = NULL;
}
}
if( $output_index_count !== NULL ){
return '[' . implode(',', $output_indexed) . ']';
}
return '{' . implode(',', $output_associative) . '}';
}
return ''; // Not supported
}
/**
* Date format funciton, uses formatting similar to php's strftime function
* http://php.net/manual/en/function.strftime.php
*
*/
public static function Date($format='', $time=null){
if( empty($format) ){
return '';
}
if( is_null($time) ){
$time = time();
}
$time = (int)$time;
$match_count = preg_match_all('#%+[^\s]#', $format, $matches, PREG_OFFSET_CAPTURE);
if( $match_count ){
$matches = array_reverse($matches[0]);
foreach($matches as $match){
$len = strlen($match[0]);
if( $len%2 ){
$replacement = strftime($match[0], $time);
}else{
$piece = substr($match[0], -2, 2);
switch($piece){
case '%e':
$replacement = strftime(substr($match[0], 0, -2), $time) . ltrim(strftime('%d', $time), '0');
break;
default:
$replacement = strftime($match[0], $time);
break;
}
}
$format = substr_replace($format, $replacement, $match[1], strlen($match[0]));
}
}
return $format;
}
/**
* Get an image's thumbnail path
*
*/
public static function ThumbnailPath($img){
//already thumbnail path
if( strpos($img, '/data/_uploaded/image/thumbnails') !== false ){
return $img;
}
$dir_part = '/data/_uploaded/';
$pos = strpos($img, $dir_part);
if( $pos === false ){
return $img;
}
// svg or not svg
$nameParts = explode('.', $img);
$type = array_pop($nameParts);
$type = strtolower($type);
if( strpos('svgz', $type) !== 0 ){
$type = 'jpg';
}
return substr_replace($img, '/data/_uploaded/image/thumbnails/', $pos, strlen($dir_part)) . '.' . $type;
}
/**
* Generate a checksum for the $array
*
*/
public static function ArrayHash($array){
return md5(json_encode($array));
}
/**
* Return the key of an array if found
* Alert if $msg is not null
*
* @param string $key
* @param array $array
* @param string $msg
* @return mixed
*/
public static function ArrayKey($key, $array, $msg=null){
global $langmessage;
if( !isset($array[$key]) ){
if( !is_null($msg) ){
msg($langmessage['OOPS'] . ' ' . $msg);
}
return false;
}
return array_search($array[$key], $array, true);
}
/**
* Convert a string representation of a byte value to an number
* @param string $value
* @return int
*/
public static function getByteValue($value){
if( is_numeric($value) ){
return (int)$value;
}
$lastChar = strtolower(substr($value, -1));
$num = (int)substr($value, 0, -1);
switch($lastChar){
case 'g':
$num *= 1024;
case 'm':
$num *= 1024;
case 'k':
$num *= 1024;
break;
}
return $num;
}
/**
* Get the extension of the $file
*
*/
public static function Ext($file){
$ext = pathinfo($file, PATHINFO_EXTENSION);
return strtolower($ext);
}
/**
* @deprecated 3.0
* use \gp\tool\Editing::UseCK();
*/
public static function UseFCK($contents, $name='gpcontent'){
trigger_error('Deprecated Function');
\gp\tool\Editing::UseCK($contents, $name);
}
/**
* @deprecated 3.0
* Use \gp\tool\Editing::UseCK();
*/
public static function UseCK($contents, $name='gpcontent', $options=[]){
trigger_error('Deprecated Function');
\gp\tool\Editing::UseCK($contents, $name, $options);
}
}
}
namespace{
class common extends \gp\tool{}
}