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<?
/*. require_module 'standard'; .*/
/*. require_module 'session'; .*/
/*. require_module 'zlib'; .*/
/*. require_module 'pcre'; .*/
class CHTMLPagesCache
{
/*. void .*/
function startCaching()
{
$HTML_PAGES_ROOT = $_SERVER["DOCUMENT_ROOT"].BX_PERSONAL_ROOT."/html_pages";
if(
$_SERVER["REQUEST_METHOD"] === "POST"
|| array_key_exists(session_name(), $_COOKIE)
|| array_key_exists(session_name(), $_REQUEST)
|| (strncmp($_SERVER["REQUEST_URI"], BX_ROOT, strlen(BX_ROOT)) == 0)
|| (strncmp($_SERVER["REQUEST_URI"], BX_PERSONAL_ROOT, strlen(BX_ROOT)) == 0)
|| (preg_match("#^/index_controller\\.php#", $_SERVER["REQUEST_URI"]) > 0)
)
{
return;
}
$arHTMLPagesOptions = array();
if(file_exists($HTML_PAGES_ROOT."/.config.php"))
include($HTML_PAGES_ROOT."/.config.php");
//Check for stored authorization
if(
isset($arHTMLPagesOptions["STORE_PASSWORD"]) && $arHTMLPagesOptions["STORE_PASSWORD"] == "Y"
&& isset($_COOKIE[$arHTMLPagesOptions["COOKIE_LOGIN"]]) && $_COOKIE[$arHTMLPagesOptions["COOKIE_LOGIN"]] <> ''
&& isset($_COOKIE[$arHTMLPagesOptions["COOKIE_PASS"]]) && $_COOKIE[$arHTMLPagesOptions["COOKIE_PASS"]] <> ''
)
{
return;
}
//Check for masks
$p = strpos($_SERVER["REQUEST_URI"], "?");
if($p === false)
$PAGES_FILE = $_SERVER["REQUEST_URI"];
else
$PAGES_FILE = substr($_SERVER["REQUEST_URI"], 0, $p);
if(is_array($arHTMLPagesOptions["~EXCLUDE_MASK"]))
{
foreach($arHTMLPagesOptions["~EXCLUDE_MASK"] as $mask)
{
if(preg_match($mask, $PAGES_FILE) > 0)
{
return;
}
}
}
if(is_array($arHTMLPagesOptions["~INCLUDE_MASK"]))
{
foreach($arHTMLPagesOptions["~INCLUDE_MASK"] as $mask)
{
if(preg_match($mask, $PAGES_FILE) > 0)
{
$PAGES_FILE = "*";
break;
}
}
}
if($PAGES_FILE !== "*")
return;
$arMatch = array();
if(preg_match("#^(/.+?)\\.php\\?(.*)#", $_SERVER["REQUEST_URI"], $arMatch) > 0)
{
if(strpos($arMatch[2], "\\")!==false || strpos($arMatch[2], "/")!==false)
return;
$PAGES_FILE = $HTML_PAGES_ROOT.$arMatch[1]."@".$arMatch[2].".html";
}
elseif(preg_match("#^(/.+)\\.php$#", $_SERVER["REQUEST_URI"], $arMatch) > 0)
{
$PAGES_FILE = $HTML_PAGES_ROOT.$arMatch[1]."@.html";
}
if(preg_match("#^(.*?)/\\?(.*)#", $_SERVER["REQUEST_URI"], $arMatch) > 0)
{
if(strpos($arMatch[2], "\\")!==false || strpos($arMatch[2], "/")!==false)
return;
if(strlen($arMatch[1]) && substr($arMatch[1], 0, 1)!=="/")
return;
$PAGES_FILE = $HTML_PAGES_ROOT.$arMatch[1]."/index@".$arMatch[2].".html";
}
elseif(preg_match("#^(.*)/$#", $_SERVER["REQUEST_URI"], $arMatch) > 0)
{
if(strlen($arMatch[1]) && substr($arMatch[1], 0, 1)!=="/")
return;
$PAGES_FILE = $HTML_PAGES_ROOT.$arMatch[1]."/index@.html";
}
//This checks for invalid symbols
//TODO: make it Windows compatible
if(preg_match("/(\\?|\\*|\\.\\.)/", $PAGES_FILE) > 0)
return;
if(file_exists($PAGES_FILE))
{
//Update statistic
CHTMLPagesCache::writeStatistic(1);
$mtime = filemtime($PAGES_FILE);
$fsize = filesize($PAGES_FILE);
//Handle ETag
$ETag = md5($PAGES_FILE.$fsize.$mtime);
if(array_key_exists("HTTP_IF_NONE_MATCH", $_SERVER) && ($_SERVER['HTTP_IF_NONE_MATCH'] === $ETag))
{
CHTMLPagesCache::SetStatus("304 Not Modified");
die();
}
header("ETag: ".$ETag);
//Handle Last Modified
$lastModified = gmdate('D, d M Y H:i:s', $mtime).' GMT';
if(array_key_exists("HTTP_IF_MODIFIED_SINCE", $_SERVER) && ($_SERVER['HTTP_IF_MODIFIED_SINCE'] === $lastModified))
{
CHTMLPagesCache::SetStatus("304 Not Modified");
die();
}
header("Expires: Fri, 7 Jun 1974 04:00:00 GMT");
header('Last-Modified: '.$lastModified);
$fp = fopen($PAGES_FILE, "rb");
if($fp !== false)
{
if(version_compare(phpversion(), "5.3.0", "<") && (($v = ini_get("magic_quotes_runtime")) == 1 || strtolower($v) == 'on'))
set_magic_quotes_runtime(0);
$contents = fread($fp, $fsize);
fclose($fp);
//Try to parse charset encoding
$head_end = strpos($contents, "</head>");
if($head_end !== false)
{
if(preg_match("#<meta\\s+http-equiv\\s*=\\s*(['\"])Content-Type(\\1)\\s+content\\s*=\\s*(['\"])(.*?)(\\3)#im", substr($contents, 0, $head_end), $arMatch))
{
header("Content-type: ".$arMatch[4]);
}
}
//compression support
$compress = "";
if($arHTMLPagesOptions["COMPRESS"])
{
if(isset($_SERVER["HTTP_ACCEPT_ENCODING"]))
{
if(strpos($_SERVER["HTTP_ACCEPT_ENCODING"],'x-gzip') !== false)
$compress = "x-gzip";
elseif(strpos($_SERVER["HTTP_ACCEPT_ENCODING"],'gzip') !== false)
$compress = "gzip";
}
}
if($compress)
{
if(isset($_SERVER["HTTP_USER_AGENT"]))
{
$USER_AGENT = $_SERVER["HTTP_USER_AGENT"];
if((strpos($USER_AGENT, "MSIE 5")>0 || strpos($USER_AGENT, "MSIE 6.0")>0) && strpos($USER_AGENT, "Opera")===false)
$contents = str_repeat(" ", 2048)."\r\n".$contents;
}
$Size = function_exists("mb_strlen")? mb_strlen($contents, 'latin1'): strlen($contents);
$Crc = crc32($contents);
$contents = gzcompress($contents, 4);
$contents = function_exists("mb_substr")? mb_substr($contents, 0, -4, 'latin1'): substr($contents, 0, -4);
header("Content-Encoding: $compress");
echo "\x1f\x8b\x08\x00\x00\x00\x00\x00",$contents,pack('V',$Crc),pack('V',$Size);
}
else
{
header("Content-Length: ".filesize($PAGES_FILE));
echo $contents;
}
die();
}
}
else//if(file_exists($PAGES_FILE))
{
define('HTML_PAGES_FILE', $PAGES_FILE);
}
}
//Deletes all above html_pages
/*. float .*/
function deleteRecursive(/*. string .*/$path = "")
{
$base_bir = $_SERVER["DOCUMENT_ROOT"].BX_PERSONAL_ROOT."/html_pages";
//Estimate for freed space
$bytes = 0.0;
//Check if someone is trieng to escape from $base_dir
if(strpos($path, "..")!==false)
return 0;
$dh = false;
if(is_dir($base_bir.$path))
$dh = opendir($base_bir.$path);
if($dh !== false)
{
while(($file = readdir($dh)) !== false)
{
if(
$file === "."
|| $file === ".."
|| $file === "404.php"
|| $file === ".htaccess"
|| $file === ".config.php"
|| $file === ".enabled"
)
continue;
$file_path = $base_bir.$path."/".$file;
if(is_dir($file_path))
{
$bytes += CHTMLPagesCache::deleteRecursive($path.$file."/");
rmdir($file_path);
}
elseif(is_file($file_path))
{
$bytes += filesize($file_path);
unlink($file_path);
}
}
closedir($dh);
}
return doubleval($bytes);
}
function OnEpilog()
{
global $USER;
$bAutorized = is_object($USER) && $USER->IsAuthorized();
if(!$bAutorized && defined("HTML_PAGES_FILE"))
{
@setcookie(session_name(), "", time()-360000, "/");
}
$bExcludeByFile = $_SERVER["SCRIPT_NAME"] == "/bitrix/admin/get_start_menu.php";
$posts = 0;
$bytes = 0.0;
$all_clean = false;
//Check if modifyng action happend
if(($_SERVER["REQUEST_METHOD"] === "POST") || ($bAutorized && check_bitrix_sessid() && !$bExcludeByFile))
{
//if it was admin post
if(strncmp($_SERVER["REQUEST_URI"], "/bitrix/", 8) === 0)
{
//Then will clean all the cache
$bytes = CHTMLPagesCache::deleteRecursive("/");
$all_clean = true;
}
//check if it was SEF post
elseif(array_key_exists("SEF_APPLICATION_CUR_PAGE_URL", $_REQUEST) && file_exists($_SERVER['DOCUMENT_ROOT']."/urlrewrite.php"))
{
$arUrlRewrite = array();
include($_SERVER['DOCUMENT_ROOT']."/urlrewrite.php");
foreach($arUrlRewrite as $val)
{
if(preg_match($val["CONDITION"], $_SERVER["REQUEST_URI"]) > 0)
{
if (strlen($val["RULE"]) > 0)
$url = preg_replace($val["CONDITION"], (StrLen($val["PATH"]) > 0 ? $val["PATH"]."?" : "").$val["RULE"], $_SERVER["REQUEST_URI"]);
else
$url = $val["PATH"];
$pos=strpos($url, "?");
if($pos !== false)
{
$url = substr($url, 0, $pos);
}
$url = substr($url, 0, strrpos($url, "/")+1);
$bytes = CHTMLPagesCache::deleteRecursive($url);
break;
}
}
}
//public page post
else
{
$folder = substr($_SERVER["REQUEST_URI"], 0, strrpos($_SERVER["REQUEST_URI"], "/"));
$bytes = CHTMLPagesCache::deleteRecursive($folder);
}
$posts++;
}
if($bytes > 0.0 && class_exists("cdiskquota"))
{
CDiskQuota::updateDiskQuota("file", $bytes, "delete");
}
if($posts || $bytes)
{
CHTMLPagesCache::writeStatistic(
0, //hit
0, //miss
0, //quota
$posts, //posts
($all_clean? false: -$bytes) //files
);
}
}
function CleanAll()
{
$bytes = CHTMLPagesCache::deleteRecursive("/");
if($bytes > 0.0 && class_exists("cdiskquota"))
{
CDiskQuota::updateDiskQuota("file", $bytes, "delete");
}
}
function writeFile($file_name, $content)
{
global $USER;
if(is_object($USER) && $USER->IsAuthorized())
return;
$content_len = function_exists('mb_strlen')? mb_strlen($content, 'latin1'): strlen($content);
if($content_len <= 0)
return;
$arHTMLPagesOptions = CHTMLPagesCache::GetOptions(true);
if(!is_array($arHTMLPagesOptions))
return;
//Let's be pessimists
$bQuota = false;
if(class_exists("cdiskquota"))
{
$quota = new CDiskQuota();
if($quota->checkDiskQuota(array("FILE_SIZE" => $content_len)))
$bQuota = true;
}
else
{
$bQuota = true;
}
$arStat = CHTMLPagesCache::readStatistic();
if($arStat)
$cached_size = $arStat["FILE_SIZE"];
else
$cached_size = 0.0;
$cache_quota = doubleval($arHTMLPagesOptions["~FILE_QUOTA"]);
if($bQuota && ($cache_quota > 0.0))
{
if($cache_quota < ($cached_size + $content_len))
$bQuota = false;
}
if($bQuota)
{
CheckDirPath($file_name);
$written = 0;
$tmp_filename = $file_name.md5(mt_rand()).".tmp";
$file = fopen($tmp_filename, "wb");
if($file !== false)
{
$written = fwrite($file, $content);
if($written == $content_len)
{
fclose($file);
if(file_exists($file_name))
unlink($file_name);
rename($tmp_filename, $file_name);
@chmod($file_name, defined("BX_FILE_PERMISSIONS")? BX_FILE_PERMISSIONS: 0664);
if(class_exists("cdiskquota"))
{
CDiskQuota::updateDiskQuota("file", $content_len, "copy");
}
}
else
{
$written = 0;
fclose($file);
if(file_exists($file_name))
unlink($file_name);
if(file_exists($tmp_filename))
unlink($tmp_filename);
}
}
$arStat = CHTMLPagesCache::writeStatistic(
0, //hit
1, //miss
0, //quota
0, //posts
$written //files
);
}
else
{
//Fire cleanup
CHTMLPagesCache::CleanAll();
CHTMLPagesCache::writeStatistic(0, 0, 1, 0, false);
}
}
function IsOn()
{
return file_exists($_SERVER["DOCUMENT_ROOT"].BX_PERSONAL_ROOT."/html_pages/.enabled");
}
function SetEnabled($status)
{
$file_name = $_SERVER["DOCUMENT_ROOT"].BX_PERSONAL_ROOT."/html_pages/.enabled";
if($status)
{
RegisterModuleDependences("main", "OnEpilog", "main", "CHTMLPagesCache", "OnEpilog");
RegisterModuleDependences("main", "OnLocalRedirect", "main", "CHTMLPagesCache", "OnEpilog");
//For very first run we have to fall into defaults
CHTMLPagesCache::SetOptions(CHTMLPagesCache::GetOptions());
if(!file_exists($file_name))
{
$f = fopen($file_name, "w");
fwrite($f, "0,0,0,0,0");
fclose($f);
@chmod($file_name, defined("BX_FILE_PERMISSIONS")? BX_FILE_PERMISSIONS: 0664);
}
}
else
{
UnRegisterModuleDependences("main", "OnEpilog", "main", "CHTMLPagesCache", "OnEpilog");
UnRegisterModuleDependences("main", "OnLocalRedirect", "main", "CHTMLPagesCache", "OnEpilog");
if(file_exists($file_name))
unlink($file_name);
}
}
function SetOptions($arOptions = array(), $bCompile = true)
{
if($bCompile)
CHTMLPagesCache::CompileOptions($arOptions);
$file_name = $_SERVER["DOCUMENT_ROOT"].BX_PERSONAL_ROOT."/html_pages/.config.php";
$tmp_filename = $file_name.md5(mt_rand()).".tmp";
CheckDirPath($file_name);
$fh = fopen($tmp_filename, "wb");
if($fh !== false)
{
$content = "<?\n\$arHTMLPagesOptions = array(\n";
foreach($arOptions as $key => $value)
{
if(is_array($value))
{
$content .= "\t\"".EscapePHPString($key)."\" => array(\n";
foreach($value as $key2 => $val)
{
$content .= "\t\t\"".EscapePHPString($key2)."\" => \"".EscapePHPString($val)."\",\n";
}
$content .= "\t),\n";
}
else
{
$content .= "\t\"".EscapePHPString($key)."\" => \"".EscapePHPString($value)."\",\n";
}
}
$content .= ");\n?>\n";
$written = fwrite($fh, $content);
$len = function_exists('mb_strlen')? mb_strlen($content, 'latin1'): strlen($content);
if($written === $len)
{
fclose($fh);
if(file_exists($file_name))
unlink($file_name);
rename($tmp_filename, $file_name);
@chmod($file_name, defined("BX_FILE_PERMISSIONS")? BX_FILE_PERMISSIONS: 0664);
}
else
{
fclose($fh);
if(file_exists($tmp_filename))
unlink($tmp_filename);
}
}
}
function GetOptions($bCheck = false)
{
$arHTMLPagesOptions = array();
$file_name = $_SERVER["DOCUMENT_ROOT"].BX_PERSONAL_ROOT."/html_pages/.config.php";
if(file_exists($file_name))
{
include($file_name);
}
if(!is_array($arHTMLPagesOptions))
{
if($bCheck)
return false;
else
$arHTMLPagesOptions = array();
}
$bCompile = false;
if(!array_key_exists("INCLUDE_MASK", $arHTMLPagesOptions))
{
$arHTMLPagesOptions["INCLUDE_MASK"] = "*.php;*/";
$bCompile = true;
}
if(!array_key_exists("EXCLUDE_MASK", $arHTMLPagesOptions))
{
$arHTMLPagesOptions["EXCLUDE_MASK"] = "/bitrix/*;/404.php";
$bCompile = true;
}
if(!array_key_exists("FILE_QUOTA", $arHTMLPagesOptions))
{
$arHTMLPagesOptions["FILE_QUOTA"] = 100;
$bCompile = true;
}
if($bCompile)
{
CHTMLPagesCache::CompileOptions($arHTMLPagesOptions);
}
return $arHTMLPagesOptions;
}
function CompileOptions(&$arOptions)
{
$arOptions["~INCLUDE_MASK"] = array();
$inc = str_replace(
array("\\", ".", "?", "*", "'"),
array("/", "\.", ".", ".*?", "\'"),
$arOptions["INCLUDE_MASK"]
);
$arIncTmp = explode(";", $inc);
foreach($arIncTmp as $mask)
{
$mask = trim($mask);
if(strlen($mask) > 0)
$arOptions["~INCLUDE_MASK"][] = "'^".$mask."$'";
}
$arOptions["~EXCLUDE_MASK"] = array();
$inc = str_replace(
array("\\", ".", "?", "*", "'"),
array("/", "\.", ".", ".*?", "\'"),
$arOptions["EXCLUDE_MASK"]
);
$arIncTmp = explode(";", $inc);
foreach($arIncTmp as $mask)
{
$mask = trim($mask);
if(strlen($mask) > 0)
$arOptions["~EXCLUDE_MASK"][] = "'^".$mask."$'";
}
if(intval($arOptions["FILE_QUOTA"]) > 0)
$arOptions["~FILE_QUOTA"] = doubleval($arOptions["FILE_QUOTA"]) * 1024.0 * 1024.0;
else
$arOptions["~FILE_QUOTA"] = 0.0;
$arOptions["COMPRESS"] = IsModuleInstalled('compression');
$arOptions["STORE_PASSWORD"] = COption::GetOptionString("main", "store_password", "Y");
$cookie_prefix = COption::GetOptionString('main', 'cookie_name', 'BITRIX_SM');
$arOptions["COOKIE_LOGIN"] = $cookie_prefix.'_LOGIN';
$arOptions["COOKIE_PASS"] = $cookie_prefix.'_UIDH';
}
function readStatistic()
{
$arResult = false;
$file_name = $_SERVER["DOCUMENT_ROOT"].BX_PERSONAL_ROOT."/html_pages/.enabled";
if(file_exists($file_name))
{
$fp = fopen($file_name, "r");
if($fp !== false)
{
$file_values = explode(",", fgets($fp));
fclose($fp);
$arResult = array(
"HITS" => intval($file_values[0]),
"MISSES" => intval($file_values[1]),
"QUOTA" => intval($file_values[2]),
"POSTS" => intval($file_values[3]),
"FILE_SIZE" => doubleval($file_values[4]),
);
}
}
return $arResult;
}
function writeStatistic($hit = 0, $miss = 0, $quota = 0, $posts = 0, $files = 0.0)
{
$file_name = $_SERVER["DOCUMENT_ROOT"].BX_PERSONAL_ROOT."/html_pages/.enabled";
$fp = @fopen($file_name, "r+");
if($fp)
$file_values = explode(",", fgets($fp));
else
$file_values = array();
if(count($file_values) > 1)
{
$new_file_values = array(
intval($file_values[0]) + $hit,
intval($file_values[1]) + $miss,
intval($file_values[2]) + $quota,
intval($file_values[3]) + $posts,
$files === false? 0: doubleval($file_values[4]) + doubleval($files),
);
fseek($fp, 0);
ftruncate($fp, 0);
fwrite($fp, implode(",", $new_file_values));
}
if($fp)
fclose($fp);
}
function SetStatus($status)
{
$bCgi = (stristr(php_sapi_name(), "cgi") !== false);
$bFastCgi = ($bCgi && (array_key_exists('FCGI_ROLE', $_SERVER) || array_key_exists('FCGI_ROLE', $_ENV)));
if($bCgi && !$bFastCgi)
header("Status: ".$status);
else
header($_SERVER["SERVER_PROTOCOL"]." ".$status);
}
}
?>