/**
* Determines if file requires http protocol to get contents (Not allowed)
*
* @param string $sUrl
* @return boolean
*/
public function isHttpAdapterAvailable($sUrl)
{
return !(preg_match('#^(?:http|//)#i', $sUrl) && !JchOptimizeUrl::isInternal($sUrl) || $this->isPHPFile($sUrl));
}
/**
* Callback function to correct urls in aggregated css files
*
* @param array $aMatches Array of all matches
* @return string Correct url of images from aggregated css file
*/
public function _correctUrlCB($aMatches, $aUrl)
{
if (empty($aMatches[1]) || preg_match('#^(?:\\(|/\\*)#', $aMatches[0])) {
return $aMatches[0];
}
$sImageUrl = $aMatches[1];
$sCssFileUrl = empty($aUrl['url']) ? '' : $aUrl['url'];
if (JchOptimizeUrl::isHttpScheme($sImageUrl)) {
if ((JchOptimizeUrl::isInternal($sCssFileUrl) || $sCssFileUrl == '') && JchOptimizeUrl::isInternal($sImageUrl)) {
$sImageUrl = JchOptimizeUrl::toRootRelative($sImageUrl, $sCssFileUrl);
$oImageUri = clone JchPlatformUri::getInstance($sImageUrl);
$aStaticFiles = $this->params->get('pro_staticfiles', array('css', 'js', 'jpe?g', 'gif', 'png', 'ico', 'bmp', 'pdf'));
unset($aStaticFiles[0]);
$sStaticFiles = implode('|', $aStaticFiles);
$aFontFiles = $this->fontFiles();
$sFontFiles = implode('|', $aFontFiles);
if (preg_match('#\\.(?>' . $sStaticFiles . ')#', $oImageUri->getPath())) {
$sImageUrl = JchOptimizeHelper::cookieLessDomain($this->params, $oImageUri->toString(array('path')));
} elseif ($this->params->get('pro_cookielessdomain_enable', '0') && preg_match('#\\.(?>' . $sFontFiles . ')#', $oImageUri->getPath())) {
$oUri = clone JchPlatformUri::getInstance();
$sImageUrl = '//' . $oUri->toString(array('host', 'port')) . $oImageUri->toString(array('path'));
}
} else {
if (!JchOptimizeUrl::isAbsolute($sImageUrl)) {
$sImageUrl = JchOptimizeUrl::toAbsolute($sImageUrl, $sCssFileUrl);
}
}
}
$sImageUrl = preg_match('#(?<!\\\\)[\\s\'"(),]#', $sImageUrl) ? '"' . $sImageUrl . '"' : $sImageUrl;
return $sImageUrl;
}
/**
* Get local path of file from the url if internal
* If external or php file, the url is returned
*
* @param string $sUrl Url of file
* @return string File path
*/
public static function getFilePath($sUrl)
{
$sUriPath = JchPlatformUri::base(TRUE);
$oUri = clone JchPlatformUri::getInstance();
$oUrl = clone JchPlatformUri::getInstance(html_entity_decode($sUrl));
//Use absolute file path if file is internal and a static file
if (JchOptimizeUrl::isInternal($sUrl) && !JchOptimizeUrl::requiresHttpProtocol($sUrl)) {
return JchPlatformPaths::absolutePath(str_replace($sUriPath, '', $oUrl->getPath()));
} else {
$scheme = $oUrl->getScheme();
if (empty($scheme)) {
$oUrl->setScheme($oUri->getScheme());
}
$host = $oUrl->getHost();
if (empty($host)) {
$oUrl->setHost($oUri->getHost());
}
$path = $oUrl->getPath();
if (!empty($path)) {
if (substr($path, 0, 1) != '/') {
$oUrl->setPath($sUriPath . '/' . $path);
}
}
$sUrl = $oUrl->toString();
$query = $oUrl->getQuery();
if (!empty($query)) {
parse_str($query, $args);
$sUrl = str_replace($query, http_build_query($args, '', '&'), $sUrl);
}
return $sUrl;
}
}
/**
*
* @param type $sPath
*/
protected function excludeExternalExtensions($sPath)
{
if (!$this->params->get('includeAllExtensions', '0')) {
return !JchOptimizeUrl::isInternal($sPath) || preg_match('#' . JchPlatformExcludes::extensions() . '#i', $sPath);
}
return FALSE;
}
/**
*
* @param type $sUrl
* @return type
*/
public static function prepareFileValues($sFile, $sType = '', $iLen = 27)
{
if ($sType != 'value') {
$oFile = JchPlatformUri::getInstance($sFile);
if (JchOptimizeUrl::isInternal($sFile)) {
$sFile = $oFile->getPath();
} else {
$sFile = $oFile->toString(array('scheme', 'user', 'pass', 'host', 'port', 'path'));
}
if ($sType == 'key') {
return $sFile;
}
}
$sEps = '';
if (strlen($sFile) > $iLen) {
$sFile = substr($sFile, -$iLen);
$sFile = preg_replace('#^[^/]*+/#', '/', $sFile);
$sEps = '...';
}
return $sEps . $sFile;
}
/**
*
* @param type $aImgs
*/
public function getCachedImgAttributes($aImgs)
{
$aImgAttributes = array();
$total = count($aImgs[0]);
for ($i = 0; $i < $total; $i++) {
$sUrl = !empty($aImgs[1][$i]) ? $aImgs[1][$i] : (!empty($aImgs[2][$i]) ? $aImgs[2][$i] : $aImgs[3][$i]);
if (JchOptimizeUrl::isInvalid($sUrl) || !$this->oParser->isHttpAdapterAvailable($sUrl) || JchOptimizeUrl::isSSL($sUrl) && !extension_loaded('openssl') || !JchOptimizeUrl::isHttpScheme($sUrl)) {
$aImgAttributes[] = $aImgs[0][$i];
continue;
}
$sPath = JchOptimizeHelper::getFilePath($sUrl);
if (file_exists($sPath)) {
$aSize = getimagesize($sPath);
if ($aSize === false || empty($aSize) || $aSize[0] == '1' && $aSize[1] == '1') {
$aImgAttributes[] = $aImgs[0][$i];
continue;
}
$sImg = preg_replace('#(?:width|height)\\s*+=(?:\\s*+"([^">]*+)"|\\s*+\'([^\'>]*+)\'|([^\\s>]++))#i', '', $aImgs[0][$i]);
$aImgAttributes[] = preg_replace('#\\s*+/?>#', ' ' . $aSize[3] . ' />', $sImg);
} else {
$aImgAttributes[] = $aImgs[0][$i];
continue;
}
}
return $aImgAttributes;
}
