garancia/classes/Media.php
2016-10-10 15:24:25 +02:00

553 lines
21 KiB
PHP
Executable File

<?php
/*
* 2007-2012 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License (OSL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/osl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@prestashop.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
* @author PrestaShop SA <contact@prestashop.com>
* @copyright 2007-2013 PrestaShop SA
* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
* International Registered Trademark & Property of PrestaShop SA
*/
class MediaCore
{
public static $jquery_ui_dependencies = array(
'ui.core' => array('fileName' => 'jquery.ui.core.min.js', 'dependencies' => array(), 'theme' => true),
'ui.widget' => array('fileName' => 'jquery.ui.widget.min.js', 'dependencies' => array(), 'theme' => false),
'ui.mouse' => array('fileName' => 'jquery.ui.mouse.min.js', 'dependencies' => array('ui.core', 'ui.widget'), 'theme' => false),
'ui.position' => array('fileName' => 'jquery.ui.mouse.min.js', 'dependencies' => array(), 'theme' => false),
'ui.draggable' => array('fileName' => 'jquery.ui.mouse.min.js', 'dependencies' => array('ui.core', 'ui.widget', 'ui.mouse'), 'theme' => false),
'ui.droppable' => array('fileName' => 'jquery.ui.mouse.min.js', 'dependencies' => array('ui.core', 'ui.widget', 'ui.mouse', 'ui.draggable'), 'theme' => false),
'ui.resizable' => array('fileName' => 'jquery.ui.mouse.min.js', 'dependencies' => array('ui.core', 'ui.widget', 'ui.mouse'), 'theme' => true),
'ui.selectable' => array('fileName' => 'jquery.ui.mouse.min.js', 'dependencies' => array('ui.core', 'ui.widget', 'ui.mouse'), 'theme' => true),
'ui.sortable' => array('fileName' => 'jquery.ui.mouse.min.js', 'dependencies' => array('ui.core', 'ui.widget', 'ui.mouse'), 'theme' => true),
'ui.accordion' => array('fileName' => 'jquery.ui.mouse.min.js', 'dependencies' => array('ui.core', 'ui.widget'), 'theme' => true),
'ui.autocomplete' => array('fileName' => 'jquery.ui.mouse.min.js', 'dependencies' => array('ui.core', 'ui.widget', 'ui.position'), 'theme' => true),
'ui.button' => array('fileName' => 'jquery.ui.mouse.min.js', 'dependencies' => array('ui.core', 'ui.widget'), 'theme' => true),
'ui.dialog' => array('fileName' => 'jquery.ui.mouse.min.js', 'dependencies' => array('ui.core', 'ui.widget', 'ui.position'), 'theme' => true),
'ui.slider' => array('fileName' => 'jquery.ui.mouse.min.js', 'dependencies' => array('ui.core', 'ui.widget', 'ui.mouse'), 'theme' => true),
'ui.tabs' => array('fileName' => 'jquery.ui.mouse.min.js', 'dependencies' => array('ui.core', 'ui.widget'), 'theme' => true),
'ui.datepicker' => array('fileName' => 'jquery.ui.mouse.min.js', 'dependencies' => array('ui.core'), 'theme' => true),
'ui.progressbar' => array('fileName' => 'jquery.ui.mouse.min.js', 'dependencies' => array('ui.core', 'ui.widget'), 'theme' => true),
'effects.core' => array('fileName' => 'jquery.ui.mouse.min.js', 'dependencies' => array(), 'theme' => false),
'effects.blind' => array('fileName' => 'jquery.ui.mouse.min.js', 'dependencies' => array('effects.core'), 'theme' => false),
'effects.bounce' => array('fileName' => 'jquery.ui.mouse.min.js', 'dependencies' => array('effects.core'), 'theme' => false),
'effects.clip' => array('fileName' => 'jquery.ui.mouse.min.js', 'dependencies' => array('effects.core'), 'theme' => false),
'effects.drop' => array('fileName' => 'jquery.ui.mouse.min.js', 'dependencies' => array('effects.core'), 'theme' => false),
'effects.explode' => array('fileName' => 'jquery.ui.mouse.min.js', 'dependencies' => array('effects.core'), 'theme' => false),
'effects.fade' => array('fileName' => 'jquery.ui.mouse.min.js', 'dependencies' => array('effects.core'), 'theme' => false),
'effects.fold' => array('fileName' => 'jquery.ui.mouse.min.js', 'dependencies' => array('effects.core'), 'theme' => false),
'effects.highlight' => array('fileName' => 'jquery.ui.mouse.min.js', 'dependencies' => array('effects.core'), 'theme' => false),
'effects.pulsate' => array('fileName' => 'jquery.ui.mouse.min.js', 'dependencies' => array('effects.core'), 'theme' => false),
'effects.scale' => array('fileName' => 'jquery.ui.mouse.min.js', 'dependencies' => array('effects.core'), 'theme' => false),
'effects.shake' => array('fileName' => 'jquery.ui.mouse.min.js', 'dependencies' => array('effects.core'), 'theme' => false),
'effects.slide' => array('fileName' => 'jquery.ui.mouse.min.js', 'dependencies' => array('effects.core'), 'theme' => false),
'effects.transfer' => array('fileName' => 'jquery.ui.mouse.min.js', 'dependencies' => array('effects.core'), 'theme' => false)
);
public static function minifyHTML($html_content)
{
if (strlen($html_content) > 0)
{
//set an alphabetical order for args
$html_content = preg_replace_callback(
'/(<[a-zA-Z0-9]+)((\s?[a-zA-Z0-9]+=[\"\\\'][^\"\\\']*[\"\\\']\s?)*)>/',
array('Media', 'minifyHTMLpregCallback'),
$html_content,
Media::getBackTrackLimit());
require_once(_PS_TOOL_DIR_.'minify_html/minify_html.class.php');
$html_content = str_replace(chr(194).chr(160), '&nbsp;', $html_content);
if (trim($minified_content = Minify_HTML::minify($html_content, array('xhtml', 'cssMinifier', 'jsMinifier'))) != '')
$html_content = $minified_content;
return $html_content;
}
return false;
}
public static function minifyHTMLpregCallback($preg_matches)
{
$args = array();
preg_match_all('/[a-zA-Z0-9]+=[\"\\\'][^\"\\\']*[\"\\\']/is', $preg_matches[2], $args);
$args = $args[0];
sort($args);
// if there is no args in the balise, we don't write a space (avoid previous : <title >, now : <title>)
if (empty($args))
$output = $preg_matches[1].'>';
else
$output = $preg_matches[1].' '.implode(' ', $args).'>';
return $output;
}
public static function packJSinHTML($html_content)
{
if (strlen($html_content) > 0)
{
$html_content_copy = $html_content;
$html_content = preg_replace_callback(
'/\\s*(<script\\b[^>]*?>)([\\s\\S]*?)(<\\/script>)\\s*/i',
array('Media', 'packJSinHTMLpregCallback'),
$html_content,
Media::getBackTrackLimit());
// If the string is too big preg_replace return an error
// In this case, we don't compress the content
if (preg_last_error() == PREG_BACKTRACK_LIMIT_ERROR)
{
error_log('ERROR: PREG_BACKTRACK_LIMIT_ERROR in function packJSinHTML');
return $html_content_copy;
}
return $html_content;
}
return false;
}
public static function packJSinHTMLpregCallback($preg_matches)
{
$preg_matches[1] = $preg_matches[1].'/* <![CDATA[ */';
$preg_matches[2] = Media::packJS($preg_matches[2]);
$preg_matches[count($preg_matches) - 1] = '/* ]]> */'.$preg_matches[count($preg_matches) - 1];
unset($preg_matches[0]);
$output = implode('', $preg_matches);
return $output;
}
public static function packJS($js_content)
{
if (!empty($js_content))
{
require_once(_PS_TOOL_DIR_.'js_minify/jsmin.php');
try {
$js_content = JSMin::minify($js_content);
} catch (Exception $e) {
if (_PS_MODE_DEV_)
echo $e->getMessage();
return $js_content;
}
}
return $js_content;
}
public static function minifyCSS($css_content, $fileuri = false, &$import_url = array())
{
global $current_css_file;
$current_css_file = $fileuri;
if (strlen($css_content) > 0)
{
$limit = Media::getBackTrackLimit();
$css_content = preg_replace('#/\*.*?\*/#s', '', $css_content, $limit);
$css_content = preg_replace_callback('#(url\((?!data:)(?:\'|")?)([^\)\'"]*(?:\'|")?\))#s', array('Tools', 'replaceByAbsoluteURL'), $css_content, $limit);
$css_content = preg_replace('#\s+#', ' ', $css_content, $limit);
$css_content = str_replace(array("\t", "\n", "\r"), '', $css_content);
$css_content = str_replace(array('; ', ': '), array(';', ':'), $css_content);
$css_content = str_replace(array(' {', '{ '), '{', $css_content);
$css_content = str_replace(', ', ',', $css_content);
$css_content = str_replace(array('} ', ' }', ';}'), '}', $css_content);
$css_content = str_replace(array(':0px', ':0em', ':0pt', ':0%'), ':0', $css_content);
$css_content = str_replace(array(' 0px', ' 0em', ' 0pt', ' 0%'), ' 0', $css_content);
$css_content = str_replace('\'images_ie/', '\'images/', $css_content);
$css_content = preg_replace_callback('#(AlphaImageLoader\(src=\')([^\']*\',)#s', array('Tools', 'replaceByAbsoluteURL'), $css_content);
// Store all import url
preg_match_all('#@import .*?;#i', $css_content, $m);
for ($i = 0, $total = count($m[0]); $i < $total; $i++)
{
$import_url[] = $m[0][$i];
$css_content = str_replace($m[0][$i], '', $css_content);
}
return trim($css_content);
}
return false;
}
/**
* addJS return javascript path
*
* @param mixed $js_uri
* @return string
*/
public static function getJSPath($js_uri)
{
if (is_array($js_uri) || $js_uri === null || empty($js_uri))
return false;
$url_data = parse_url($js_uri);
if (!array_key_exists('host', $url_data))
$file_uri = _PS_ROOT_DIR_.Tools::str_replace_once(__PS_BASE_URI__, DIRECTORY_SEPARATOR, $url_data['path']); // remove PS_BASE_URI on _PS_ROOT_DIR_ for the following
else
$file_uri = $js_uri;
// check if js files exists
if (!preg_match('/^http(s?):\/\//i', $file_uri) && !@filemtime($file_uri))
return false;
if (Context::getContext()->controller->controller_type == 'admin')
{
$js_uri = preg_replace('/^'.preg_quote(__PS_BASE_URI__, '/').'/', '/', $js_uri);
$js_uri = dirname(preg_replace('/\?.+$/', '', $_SERVER['REQUEST_URI']).'a').'/..'.$js_uri;
}
return $js_uri;
}
/**
* addCSS return stylesheet path.
*
* @param mixed $css_uri
* @param string $css_media_type
* @return string
*/
public static function getCSSPath($css_uri, $css_media_type = 'all')
{
if (empty($css_uri))
return false;
// remove PS_BASE_URI on _PS_ROOT_DIR_ for the following
$url_data = parse_url($css_uri);
$file_uri = _PS_ROOT_DIR_.Tools::str_replace_once(__PS_BASE_URI__, DIRECTORY_SEPARATOR, $url_data['path']);
// check if css files exists
if (!@filemtime($file_uri))
return false;
if (Context::getContext()->controller->controller_type == 'admin')
{
$css_uri = preg_replace('/^'.preg_quote(__PS_BASE_URI__, '/').'/', '/', $css_uri);
$css_uri = dirname(preg_replace('/\?.+$/', '', $_SERVER['REQUEST_URI']).'a').'/..'.$css_uri;
}
return array($css_uri => $css_media_type);
}
/**
* return jquery path.
*
* @param mixed $version
* @return string
*/
public static function getJqueryPath($version = null, $folder = null, $minifier = true)
{
$add_no_conflict = false;
if ($version === null)
$version = _PS_JQUERY_VERSION_; //set default version
else if (preg_match('/^([0-9]+\.)+[0-9]$/Ui', $version))
$add_no_conflict = true;
else
return false;
if ($folder === null)
$folder = _PS_JS_DIR_.'jquery/'; //set default folder
//check if file exist
$file = $folder.'jquery-'.$version.($minifier ? '.min.js' : '.js');
// remove PS_BASE_URI on _PS_ROOT_DIR_ for the following
$url_data = parse_url($file);
$file_uri = _PS_ROOT_DIR_.Tools::str_replace_once(__PS_BASE_URI__, DIRECTORY_SEPARATOR, $url_data['path']);
// check if js files exists, if not try to load query from ajax.googleapis.com
$return = array();
if (@filemtime($file_uri))
$return[] = Media::getJSPath($file);
else
$return[] = Media::getJSPath(Tools::getCurrentUrlProtocolPrefix().'ajax.googleapis.com/ajax/libs/jquery/'.$version.'/jquery'.($minifier ? '.min.js' : '.js'));
if ($add_no_conflict)
$return[] = Media::getJSPath(_PS_JS_DIR_.'jquery/jquery.noConflict.php?version='.$version);
return $return;
}
/**
* return jqueryUI component path.
*
* @param mixed $component
* @return string
*/
public static function getJqueryUIPath($component, $theme, $check_dependencies)
{
$ui_path = array('js' => array(), 'css' => array());
$folder = _PS_JS_DIR_.'jquery/ui/';
$file = 'jquery.'.$component.'.min.js';
$url_data = parse_url($folder.$file);
$file_uri = _PS_ROOT_DIR_.Tools::str_replace_once(__PS_BASE_URI__, DIRECTORY_SEPARATOR, $url_data['path']);
$ui_tmp = array();
if (self::$jquery_ui_dependencies[$component]['theme'] && $check_dependencies)
{
$theme_css = Media::getCSSPath($folder.'themes/'.$theme.'/jquery.ui.theme.css');
$comp_css = Media::getCSSPath($folder.'themes/'.$theme.'/jquery.'.$component.'.css');
if (!empty($theme_css) || $theme_css)
$ui_path['css'] = array_merge($ui_path['css'], $theme_css);
if (!empty($comp_css) || $comp_css)
$ui_path['css'] = array_merge($ui_path['css'], $comp_css);
}
if ($check_dependencies && array_key_exists($component, self::$jquery_ui_dependencies))
{
foreach (self::$jquery_ui_dependencies[$component]['dependencies'] as $dependency)
{
$ui_tmp[] = Media::getJqueryUIPath($dependency, $theme, false);
if (self::$jquery_ui_dependencies[$dependency]['theme'])
$dep_css = Media::getCSSPath($folder.'themes/'.$theme.'/jquery.'.$dependency.'.css');
if (isset($dep_css) && (!empty($dep_css) || $dep_css))
$ui_path['css'] = array_merge($ui_path['css'], $dep_css);
}
}
if (@filemtime($file_uri))
{
if (!empty($ui_tmp))
{
foreach ($ui_tmp as $ui)
{
$ui_path['js'][] = $ui['js'];
$ui_path['css'][] = $ui['css'];
}
$ui_path['js'][] = Media::getJSPath($folder.$file);
}
else
$ui_path['js'] = Media::getJSPath($folder.$file);
}
//add i18n file for datepicker
if ($component == 'ui.datepicker')
$ui_path['js'][] = Media::getJSPath($folder.'i18n/jquery.ui.datepicker-'.Context::getContext()->language->iso_code.'.js');
return $ui_path;
}
/**
* return jquery plugin path.
*
* @param mixed $name
* @return void
*/
public static function getJqueryPluginPath($name, $folder = null)
{
$plugin_path = array('js' => array(), 'css' => array());
if ($folder === null)
$folder = _PS_JS_DIR_.'jquery/plugins/'; //set default folder
$file = 'jquery.'.$name.'.js';
$url_data = parse_url($folder);
$file_uri = _PS_ROOT_DIR_.Tools::str_replace_once(__PS_BASE_URI__, DIRECTORY_SEPARATOR, $url_data['path']);
if (@file_exists($file_uri.$file))
$plugin_path['js'] = Media::getJSPath($folder.$file);
elseif (@file_exists($file_uri.$name.'/'.$file))
$plugin_path['js'] = Media::getJSPath($folder.$name.'/'.$file);
else
return false;
$plugin_path['css'] = Media::getJqueryPluginCSSPath($name, $folder);
return $plugin_path;
}
/**
* return jquery plugin css path if exist.
*
* @param mixed $name
* @return void
*/
public static function getJqueryPluginCSSPath($name, $folder = null)
{
if ($folder === null)
$folder = _PS_JS_DIR_.'jquery/plugins/'; //set default folder
$file = 'jquery.'.$name.'.css';
$url_data = parse_url($folder);
$file_uri = _PS_ROOT_DIR_.Tools::str_replace_once(__PS_BASE_URI__, DIRECTORY_SEPARATOR, $url_data['path']);
if (@file_exists($file_uri.$file))
return Media::getCSSPath($folder.$file);
elseif (@file_exists($file_uri.$name.'/'.$file))
return Media::getCSSPath($folder.$name.'/'.$file);
else
return false;
}
/**
* Combine Compress and Cache CSS (ccc) calls
*
* @param array css_files
* @return array processed css_files
*/
public static function cccCss($css_files)
{
//inits
$css_files_by_media = array();
$compressed_css_files = array();
$compressed_css_files_not_found = array();
$compressed_css_files_infos = array();
$protocol_link = Tools::getCurrentUrlProtocolPrefix();
// group css files by media
foreach ($css_files as $filename => $media)
{
if (!array_key_exists($media, $css_files_by_media))
$css_files_by_media[$media] = array();
$infos = array();
$infos['uri'] = $filename;
$url_data = parse_url($filename);
$infos['path'] = _PS_ROOT_DIR_.Tools::str_replace_once(__PS_BASE_URI__, '/', $url_data['path']);
$css_files_by_media[$media]['files'][] = $infos;
if (!array_key_exists('date', $css_files_by_media[$media]))
$css_files_by_media[$media]['date'] = 0;
$css_files_by_media[$media]['date'] = max(
file_exists($infos['path']) ? filemtime($infos['path']) : 0,
$css_files_by_media[$media]['date']
);
if (!array_key_exists($media, $compressed_css_files_infos))
$compressed_css_files_infos[$media] = array('key' => '');
$compressed_css_files_infos[$media]['key'] .= $filename;
}
// get compressed css file infos
foreach ($compressed_css_files_infos as $media => &$info)
{
$key = md5($info['key'].$protocol_link);
$filename = _PS_THEME_DIR_.'cache/'.$key.'_'.$media.'.css';
$info = array(
'key' => $key,
'date' => file_exists($filename) ? filemtime($filename) : 0
);
}
// aggregate and compress css files content, write new caches files
$import_url = array();
foreach ($css_files_by_media as $media => $media_infos)
{
$cache_filename = _PS_THEME_DIR_.'cache/'.$compressed_css_files_infos[$media]['key'].'_'.$media.'.css';
if ($media_infos['date'] > $compressed_css_files_infos[$media]['date'])
{
$compressed_css_files[$media] = '';
foreach ($media_infos['files'] as $file_infos)
{
if (file_exists($file_infos['path']))
$compressed_css_files[$media] .= Media::minifyCSS(file_get_contents($file_infos['path']), $file_infos['uri'], $import_url);
else
$compressed_css_files_not_found[] = $file_infos['path'];
}
if (!empty($compressed_css_files_not_found))
$content = '/* WARNING ! file(s) not found : "'.
implode(',', $compressed_css_files_not_found).
'" */'."\n".$compressed_css_files[$media];
else
$content = $compressed_css_files[$media];
$content = implode('', $import_url).$content;
file_put_contents($cache_filename, $content);
chmod($cache_filename, 0777);
}
$compressed_css_files[$media] = $cache_filename;
}
// rebuild the original css_files array
$css_files = array();
foreach ($compressed_css_files as $media => $filename)
{
$url = str_replace(_PS_THEME_DIR_, _THEMES_DIR_._THEME_NAME_.'/', $filename);
$css_files[$protocol_link.Tools::getMediaServer($url).$url] = $media;
}
return $css_files;
}
public static function getBackTrackLimit()
{
static $limit = null;
if ($limit === null)
{
$limit = @ini_get('pcre.backtrack_limit');
if (!$limit)
$limit = -1;
}
return $limit;
}
/**
* Combine Compress and Cache (ccc) JS calls
*
* @param array js_files
* @return array processed js_files
*/
public static function cccJS($js_files)
{
//inits
$compressed_js_files_not_found = array();
$js_files_infos = array();
$js_files_date = 0;
$compressed_js_filename = '';
$js_external_files = array();
$protocol_link = Tools::getCurrentUrlProtocolPrefix();
// get js files infos
foreach ($js_files as $filename)
{
$expr = explode(':', $filename);
if ($expr[0] == 'http')
$js_external_files[] = $filename;
else
{
$infos = array();
$infos['uri'] = $filename;
$url_data = parse_url($filename);
$infos['path'] = _PS_ROOT_DIR_.Tools::str_replace_once(__PS_BASE_URI__, '/', $url_data['path']);
$js_files_infos[] = $infos;
$js_files_date = max(
file_exists($infos['path']) ? filemtime($infos['path']) : 0,
$js_files_date
);
$compressed_js_filename .= $filename;
}
}
// get compressed js file infos
$compressed_js_filename = md5($compressed_js_filename);
$compressed_js_path = _PS_THEME_DIR_.'cache/'.$compressed_js_filename.'.js';
$compressed_js_file_date = file_exists($compressed_js_path) ? filemtime($compressed_js_path) : 0;
// aggregate and compress js files content, write new caches files
if ($js_files_date > $compressed_js_file_date)
{
$content = '';
foreach ($js_files_infos as $file_infos)
{
if (file_exists($file_infos['path']))
$content .= file_get_contents($file_infos['path']).';';
else
$compressed_js_files_not_found[] = $file_infos['path'];
}
$content = Media::packJS($content);
if (!empty($compressed_js_files_not_found))
$content = '/* WARNING ! file(s) not found : "'.
implode(',', $compressed_js_files_not_found).
'" */'."\n".$content;
file_put_contents($compressed_js_path, $content);
chmod($compressed_js_path, 0777);
}
// rebuild the original js_files array
$url = str_replace(_PS_ROOT_DIR_.'/', __PS_BASE_URI__, $compressed_js_path);
return array_merge(array($protocol_link.Tools::getMediaServer($url).$url), $js_external_files);
}
}