/**
* * There are two variants of content's modification in this method.
* The first one:
* If it's ajax-hit the content will be replaced by json data with dynamic blocks,
* javascript files and etc. - dynamic part
*
* The second one:
* If it's simple hit the content will be modified also,
* all dynamic blocks will be cutted out of the content - static part.
*
* @param string $content Html page content.
*
* @return string
*/
public function processPageContent($content)
{
global $APPLICATION;
$dividedData = $this->getDividedPageData($content);
$htmlCacheChanged = false;
if (self::getUseHTMLCache()) {
$isLicenseExpired = self::isLicenseExpired();
$staticHTMLCache = StaticHtmlCache::getInstance();
if ($staticHTMLCache->isCacheable()) {
$cacheExists = $staticHTMLCache->exists();
if ((!$cacheExists || $staticHTMLCache->getMd5() !== $dividedData["md5"]) && !\CHTMLPagesCache::isIE9()) {
if ($cacheExists) {
$staticHTMLCache->delete();
}
if (!$isLicenseExpired) {
$success = $staticHTMLCache->write($dividedData["static"], $dividedData["md5"]);
if ($success) {
$htmlCacheChanged = true;
$staticHTMLCache->setUserPrivateKey();
}
}
} else {
if ($isLicenseExpired) {
$staticHTMLCache->delete();
}
}
$dividedData["static"] = $this->replaceInjections($content);
} else {
$staticHTMLCache->delete();
return $this->getAjaxError("not_cacheable");
}
}
if (self::getUseAppCache() == true) {
AppCacheManifest::getInstance()->generate($dividedData["static"]);
} else {
AppCacheManifest::checkObsoleteManifest();
}
if (self::isAjaxRequest()) {
self::sendRandHeader();
header("Content-Type: application/x-javascript; charset=" . SITE_CHARSET);
header("X-Bitrix-Composite: Ajax " . ($htmlCacheChanged ? "(changed)" : "(stable)"));
$content = array("js" => $APPLICATION->arHeadScripts, "additional_js" => $APPLICATION->arAdditionalJS, "lang" => \CJSCore::GetCoreMessages(), "css" => $APPLICATION->GetCSSArray(), "htmlCacheChanged" => $htmlCacheChanged, "isManifestUpdated" => AppCacheManifest::getInstance()->getIsModified(), "dynamicBlocks" => $dividedData["dynamic"], "spread" => array_map(array("CUtil", "JSEscape"), $APPLICATION->GetSpreadCookieUrls()));
$content = \CUtil::PhpToJSObject($content);
} else {
$content = $dividedData["static"];
}
return $content;
}
/**
* Returns true if the current request was sent by IE9 and above
*
* @return bool
*/
public static function isIE9()
{
if (self::$isIE9 === null)
{
self::$isIE9 = false;
$userAgent = isset($_SERVER["HTTP_USER_AGENT"]) ? $_SERVER["HTTP_USER_AGENT"] : false;
if ($userAgent
&& strpos($userAgent, "Opera") === false
&& preg_match('#(MSIE|Internet Explorer) ([0-9]+)\\.([0-9]+)#', $userAgent, $version)
)
{
if (intval($version[2]) > 0 && doubleval($version[2].".".$version[3]) < 10)
{
self::$isIE9 = true;
}
}
}
return self::$isIE9;
}
