"
);
ini_set('error_append_string', '');
error_reporting(E_ALL);
} else {
error_reporting(E_ALL & ~E_NOTICE);
}
}
}
class Download
{
// Timeout delay in seconds
public const CURL_TIMEOUT = 2;
public const ERROR_CURL = 1001;
private static $sAppName = '';
private static string $sFileName = '';
private static string $sSourceURL = '';
private static bool $bDebug = false;
private static string $sDebugFileName = '';
public function __construct($ApplicationName)
{
static::$bDebug = false;
static::$sAppName = $ApplicationName;
}
/**
* Enable the debug mode for this class.
*
* @param mixed $bOnOff
*/
public function debugMode($bOnOff)
{
static::$bDebug = $bOnOff;
if ($bOnOff) {
// A debug.log file will be created in
// the folder of the calling script
static::$sDebugFileName = DIR . 'debug.log';
}
}
// URL where the script will find a file to download
public function setURL($sURL)
{
static::$sSourceURL = trim((string) $sURL);
}
/**
* Once download, a file will be created on the disk.
* Use this property to specify the name of that file.
*
* @param mixed $sName
*/
public function setFileName($sName)
{
static::$sFileName = trim((string) $sName);
}
/**
* Download the application package ZIP file.
*
* @param type $url
* @param type $file
*
* @return string
*/
public function download()
{
$wError = 0;
// Try to use CURL, if installed
if (self::iscURLEnabled()) {
// $sFileName is the fullname of the file to create f.i.
// /home/www/username/rootweb/downloaded-file.zip
$fp = @fopen(static::$sFileName, 'w');
if (!$fp) {
throw new Exception(static::$sAppName . ' - Could not open the file!');
}
if (!file_exists(static::$sFileName)) {
$wError = self::ERROR_CURL;
} else {
@fclose($fp);
@chmod(static::$sFileName, 0644);
}
if (0 === $wError) {
// Ok, try to download the file
$ch = curl_init(static::$sSourceURL);
if ($ch) {
// Start the download process
@set_time_limit(0);
$fp = @fopen(static::$sFileName, 'w');
if (!curl_setopt($ch, CURLOPT_URL, static::$sSourceURL)) {
fclose($fp);
curl_close($ch);
$wError = self::ERROR_CURL;
} else {
// Download
curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 6.1; WOW64) ' .
'AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.153 ' .
'Safari/537.36 FirePHP/4Chrome');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, false);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, self::CURL_TIMEOUT);
// Output curl debugging messages into a text file
if (static::$bDebug) {
// output debugging info in a txt file
curl_setopt($ch, CURLOPT_VERBOSE, true);
$fdebug = fopen(static::$sDebugFileName, 'w');
curl_setopt($ch, CURLOPT_STDERR, $fdebug);
}
// Add CURLOPT_SSL if the protocol is https
if ('https' == substr((string) static::$sSourceURL, 0, 5)) {
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
}
curl_setopt($ch, CURLOPT_HEADER, false);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, false);
curl_setopt($ch, CURLOPT_FILE, $fp);
curl_setopt($ch, CURLOPT_MAXREDIRS, 3);
$rc = curl_exec($ch);
curl_close($ch);
fclose($fp);
if (!$rc) {
$wError = self::ERROR_CURL;
}
@chmod(static::$sFileName, 0644);
}
}
}
}
self::removeIfNull();
if (!file_exists(static::$sFileName)) {
// Unsuccessful, try with fopen()
// Use a context to be able to define a timeout
$context = stream_context_create(
['http' => ['timeout' => self::CURL_TIMEOUT]]
);
// Get the content if fopen() is enabled
$content = @fopen(static::$sSourceURL, 'r', false, $context);
if ('' !== $content) {
@file_put_contents(static::$sFileName, $content);
}
self::removeIfNull();
if (file_exists(static::$sFileName)) {
$wError = 0;
}
}
return $wError;
}
/**
* Return a text for the encountered error.
*
* @param mixed $code
*/
public function getErrorMessage($code)
{
$sReturn =
'
Your system configuration doesn\'t allow to download the file.
' .
'
Please click ' .
'here to ' .
'manually download the file, then open your ' .
'FTP client and send the downloaded file to your ' .
'website folder.
' .
'
Once this is done, just refresh this page.
' .
'
Note: the filename should be ' . static::$sFileName . '
';
return $sReturn;
}
/**
* Detect if the CURL library is loaded.
*/
private function iscURLEnabled()
{
return (!function_exists('curl_init') && !function_exists('curl_setopt') &&
!function_exists('curl_exec') && !function_exists('curl_close')) ? false : true;
}
/**
* If the file is there and has a size of 0 byte,
* it's a failure, the file wasn't downloaded.
*/
private function removeIfNull()
{
if (file_exists(static::$sFileName)) {
if (filesize(static::$sFileName) < 1000) {
unlink(static::$sFileName);
}
}
}
}
class aeSecureDownload
{
/**
* Download a file from GitHub like "aesecure_quickscan_pattern.json", ...
* See the DOWNLOAD_URL constant for the URL.
*
* @param [type] $file
* @param mixed $uri
*
* @return void
*/
public static function get($file, $uri)
{
try {
// Try to download
$aeDownload = new Download('Quickscan');
$aeDownload->debugMode(DEBUG);
// Be sure to have only one "/" and not two
if (trim('' !== $uri)) {
$uri = ltrim(rtrim((string) $uri, '/'), '/') . '/';
}
$url = rtrim(DOWNLOAD_URL, '/') . '/' . $uri . basename((string) $file);
$aeDownload->setURL($url);
$aeDownload->setFileName($file);
$wReturn = $aeDownload->download();
if (0 !== $wReturn) {
$sErrorMsg = $aeDownload->getErrorMessage($wReturn);
}
} catch (Exception $e) {
$wReturn = 1001;
$sErrorMsg = $e->getMessage();
}
unset($aeDownload);
}
}
/**
* Add localization; read an external json file with translations.
*/
class aeSecureLanguage
{
public const DEFAULT_LANGUAGE = 'en-GB';
// Filename pattern for languages files
public const LANG_FILE = 'aesecure_quickscan_lang_%s.json';
// Hard-coded list of supported languages
// @See https://github.com/cavo789/aesecure_quickscan for xxx_lang_xxxx.json files
public const SUPPORTED_LANGUAGES = 'en;en-GB;fr;fr-FR;nl;nl-BE';
private string $_filename = '';
private $_lang = null;
private $_arrLanguage = null;
private bool $_bLoaded = false;
private $supportedLanguages = null;
private $browserLanguages = null;
protected static $instance = null;
public function __construct($lang = null)
{
$aeSession = aeSecureSession::getInstance();
if (null == $lang) {
$lang = str_replace('_', '-', (string) aeSecureFct::getParam('lang', 'string', '', 5));
}
// Initialize the list of supported languages
$this->supportedLanguages = explode(';', self::SUPPORTED_LANGUAGES);
// Get the list of languages supported by the Browser and by aeSecure
// (presence of the language's file)
self::getBrowserLanguage();
if (in_array($lang, $this->supportedLanguages)) {
// Perfect match
// The language (f.i. nl-BE) is supported; we've a nl-BE.json file; use it
$result = $lang;
} elseif (in_array(substr((string) $lang, 0, 2), $this->supportedLanguages)) {
// If the user ask for f.i. en-US and we've a file for "en", use that file.
// For instance en-GB
$result = substr((string) $lang, 0, 2);
} else {
// No, not found. Use the languages supported by the browser and check if aeSecure
// support that language
$result = '';
// Search for a perfect match so if the language is en_US, try to find en_US.json
// and not en_GB.json
foreach ($this->browserLanguages as $lang => $value) {
if (in_array($lang, $this->supportedLanguages)) {
$result = $lang;
break;
}
}
// If $result is still empty, no perfect match so search on the language and not
// language and country. So, if the language is en-US and if a file en-GB is found, get it.
if ('' == $result) {
$result = 'en-GB';
foreach ($this->browserLanguages as $lang => $value) {
// Check if there is a language file (f.i. if $lang is "fr"
// (and not "fr_FR"), the glob function will return
// the list of files like fr*.json
if (in_array(substr((string) $lang, 0, 2), $this->supportedLanguages)) {
$result = substr((string) $lang, 0, 2);
break;
}
}
}
// Still not? Use en-GB by default
if ('' == $result) {
$result = self::DEFAULT_LANGUAGE;
}
}
$aeSession->set('Lang', $lang);
// Max 5 characters
$lang = substr((string) $lang, 0, 5);
// Just be sure to have en-GB and not f.i. EN-GB or en_gb
$lang = strtolower(substr($lang, 0, 2)) . '-' . strtoupper(substr($lang, -2));
if ('en-US' == $lang) {
$lang = 'en-GB';
}
$this->_lang = $lang;
$this->_filename = DIR . DS . sprintf(self::LANG_FILE, $this->_lang);
$this->_bLoaded = false;
if (!file_exists($this->_filename)) {
// Try to download if not present
aeSecureDownload::get($this->_filename, 'settings/');
}
if (file_exists($this->_filename)) {
$string = file_get_contents($this->_filename);
$string = str_replace('\\u', '\u', $string);
if (null === json_decode($string, true, 512, JSON_THROW_ON_ERROR)) {
die('There is a problem in ' . $this->_filename .
'. Probably an invalid json file
' .
html_entity_decode($string) . '
');
}
$this->_arrLanguage = json_decode($string, true, 512, JSON_THROW_ON_ERROR);
$this->_bLoaded = true;
}
// If the parametrized file isn't found (f.i. the user set fr-FR has
// preferred language and the file is not
// present), then use by default en-GB
if (!$this->_bLoaded) {
// Try to download if not present
$this->_filename = DIR . DS . sprintf(self::LANG_FILE, self::DEFAULT_LANGUAGE);
if (!file_exists($this->_filename)) {
aeSecureDownload::get($this->_filename, 'settings/');
}
if (file_exists($this->_filename)) {
$string = file_get_contents($this->_filename);
$string = str_replace('\\u', '\u', $string);
if (null === json_decode($string, true, 512, JSON_THROW_ON_ERROR)) {
die('There is a problem in ' . $this->_filename . '. ' .
'Probably an invalid json file
' .
html_entity_decode($string) . '
');
}
$this->_arrLanguage = json_decode($string, true, 512, JSON_THROW_ON_ERROR);
$this->_bLoaded = true;
}
}
// Still not? Use the first language file that is present
if ((!$this->_bLoaded) && (count($this->supportedLanguages) > 0)) {
foreach ($this->supportedLanguages as $key => $value) {
$this->_filename = DIR . DS . sprintf(self::LANG_FILE, $value);
if (file_exists($this->_filename)) {
$string = file_get_contents($this->_filename);
$string = str_replace('\\u', '\u', $string);
if (null === json_decode($string, true, 512, JSON_THROW_ON_ERROR)) {
die('There is a problem in ' . $this->_filename .
'. Probably an invalid json file
' .
html_entity_decode($string) . '
');
}
$this->_arrLanguage = json_decode($string, true, 512, JSON_THROW_ON_ERROR);
$this->_bLoaded = true;
$this->_lang = $value;
break;
}
}
}
return true;
}
public function ready(): bool
{
return $this->_bLoaded;
}
/**
* Translation functionality, search the CODE in the json file and returns its
* value (the translated text).
*/
public function get(string $code): string
{
$sText = '';
if (isset($this->_arrLanguage[$code])) {
$sText = $this->_arrLanguage[$code];
}
return $sText;
}
public function getlang(): string
{
return $this->_lang;
}
/**
* $language can be initialized or not. If not, the script will detect supported
* languages as defined in the user's browser. If initialized, should be something
* like 'en-GB', 'fr-FR', ...
*/
public static function getInstance(?string $lang = null): self
{
if (null === self::$instance) {
self::$instance = new aeSecureLanguage($lang);
}
return self::$instance;
}
/**
* Read the HTTP_ACCEPT_LANGUAGE browser info to determine the best language
* to use for aeSecure based on the browser's preferences.
*
* @return string Returns f.i. en-GB, fr-FR, nl-NL, ...
*/
private function getBrowserLanguage(): string
{
$default = null;
$httplanguages = $_SERVER['HTTP_ACCEPT_LANGUAGE'];
if (empty($httplanguages)) {
return $default;
}
$this->browserLanguages = [];
$result = '';
// $this->browserLanguages is an array, sorted by priority order, of the
// supported languages; for instance:
// array
// 'fr' => float 1
// 'en_US' => float 0.8
// 'en' => float 0.6
foreach (preg_split('/,\s*/', (string) $httplanguages) as $accept) {
$result = preg_match('/^([a-z]{1,8}(?:[-_][a-z]{1,8})*)(?:;\s*' .
'q=(0(?:\.[0-9]{1,3})?|1(?:\.0{1,3})?))?$/i', (string) $accept, $match);
if (!$result) {
continue;
}
$quality = (isset($match[2]) ? (float)$match[2] : 1.0);
$countries = explode('-', $match[1]);
$region = array_shift($countries);
$country_sub = explode('_', $region);
$region = array_shift($country_sub);
foreach ($countries as $country) {
$this->browserLanguages[$region . '-' . strtoupper($country)] = $quality;
}
foreach ($country_sub as $country) {
$this->browserLanguages[$region . '-' . strtoupper($country)] = $quality;
}
$this->browserLanguages[$region] = $quality;
}
return true;
}
}
/**
* A few helping functions.
*/
class aeSecureFct
{
/**
* Remove special characters, f.i clean('a|"bc!@£de^&$f g') will return 'abcdef-g'.
*/
public static function sanitize(string $string): string
{
// Replaces all spaces with hyphens.
$string = str_replace(' ', '-', $string);
// Removes special chars.
return (string) preg_replace('/[^A-Za-z0-9\-]/', '', $string);
}
/**
* Generic function for adding a js in the HTML response.
*
* @param type $localfile
* @param type $weblocation
* @param mixed $defer
*
* @return string
*/
public static function addJavascript($localfile, $weblocation = '', $defer = false)
{
$return = '';
// Perhaps the script (aesecure_quickscan.php) is a symbolic link so __DIR__
// is the folder where the real file can be found and SCRIPT_FILENAME his link,
// the line below should therefore not be used anymore
if (is_file(str_replace('/', DS, dirname((string) $_SERVER['SCRIPT_FILENAME'])) . DS . $localfile)) {
$return = '';
} else {
if ('' != $weblocation) {
$return = '';
}
}
return $return;
}
/**
* Generic function for adding a css in the HTML response.
*
* @param type $localfile
* @param type $weblocation
*
* @return string
*/
public static function addStylesheet($localfile, $weblocation = '')
{
$return = '';
// Perhaps the script (aesecure_quickscan.php) is a symbolic link so __DIR__ is the
// folder where the real file can be found and SCRIPT_FILENAME his link, the line
// below should therefore not be used anymore
if (is_file(str_replace('/', DS, dirname((string) $_SERVER['SCRIPT_FILENAME'])) . DS . $localfile)) {
$return = '';
} else {
if ('' != $weblocation) {
$return = '';
}
}
return $return;
}
public static function human_filesize($bytes, $decimals = 2)
{
$sz = 'BKMGTP';
$factor = intval(floor((strlen((string) $bytes) - 1) / 3));
return sprintf("%.{$decimals}f", $bytes / pow(1024, $factor)) . @$sz[$factor];
}
/**
* Return a string like '1 an 10 mois 6 jours 3 heures'... ie the age of f.i. a file.
*
* echo aeSecureFct::time_elapsed_string(filemtime($filename))
*/
public static function time_elapsed_string(int $ptime): string
{
$diff = time() - $ptime;
$calc_times = [];
$timeleft = [];
// Prepare array, depending on the output we want to get.
$calc_times[] = ['an', 'ans', 31557600];
$calc_times[] = ['mois', 'mois', 2592000];
$calc_times[] = ['jour', 'jour', 86400];
$calc_times[] = ['heure', 'heures', 3600];
$calc_times[] = ['minute', 'minutes', 60];
$calc_times[] = ['seconde', 'secondes', 1];
foreach ($calc_times as $timedata) {
[$time_sing, $time_plur, $offset] = $timedata;
if ($diff >= $offset) {
$left = floor($diff / $offset);
$diff -= ($left * $offset);
$timeleft[] = "{$left} " . (1 == $left ? $time_sing : $time_plur);
}
}
return $timeleft ? (time() > $ptime ? null : '-') . implode(' ', $timeleft) : 0;
}
/**
* Return true when the call to the php script has been done through an ajax request.
*/
public static function isAjaxRequest(): bool
{
$bAjax = (isset($_SERVER['HTTP_X_REQUESTED_WITH']) &&
('XMLHttpRequest' == $_SERVER['HTTP_X_REQUESTED_WITH']));
return $bAjax;
}
/**
* Return the memory usage when this function is called. By calling this function
* at different place in the code, it's then possible to determine which part is
* eating a lot of memory.
*
* @return type
*/
public static function getMemoryUsed()
{
$mem_usage = memory_get_peak_usage(true);
return ($mem_usage < 1048576)
? round($mem_usage / 1024, 2) . ' kb'
: round($mem_usage / 1048576, 2) . ' mb';
}
/**
* Safely read values from posted forms ($_POST).
*
* @param mixed $type
*/
public static function getParam(string $name, $type = 'string', mixed $default = '', int $maxlen = 0): mixed
{
$tmp = '';
$return = $default;
if (isset($_POST[$name])) {
if (in_array($type, ['int', 'integer'])) {
$return = htmlspecialchars((string) $_POST[$name], ENT_QUOTES); // filter_input(INPUT_POST, $name, FILTER_SANITIZE_NUMBER_INT);
} elseif ('boolean' == $type) {
// false = 5 characters
$tmp = substr(htmlspecialchars((string) $_POST[$name], ENT_QUOTES), 0, 5); // substr(filter_input(INPUT_POST, $name, FILTER_SANITIZE_STRING), 0, 5);
$return = (in_array(strtolower($tmp), ['on', 'true'])) ? true : false;
} elseif ('string' == $type) {
$return = htmlspecialchars((string) $_POST[$name], ENT_QUOTES); //filter_input(INPUT_POST, $name, FILTER_SANITIZE_STRING);
if ($maxlen > 0) {
$return = substr($return, 0, $maxlen);
}
} elseif ('unsafe' == $type) {
$return = $_POST[$name];
}
} else {
$aeSession = aeSecureSession::getInstance();
// Get from the $_GET only in debug mode or for very few parameters like "lang" (to allow to switch between
// languages) and "aes" (boolean set to 1 when QuickScan is started from within the aeSecure Firewall interface)
if ((true === $aeSession->get('Debug', DEBUG)) || in_array($name, ['aes', 'lang'])) {
if (isset($_GET[$name])) {
if (in_array($type, ['int', 'integer'])) {
$return = htmlspecialchars((string) $_GET[$name], ENT_QUOTES); //filter_input(INPUT_GET, $name, FILTER_SANITIZE_NUMBER_INT);
} elseif ('boolean' == $type) {
// false = 5 characters
$tmp = substr(htmlspecialchars((string) $_GET[$name], ENT_QUOTES), 0, 5);
$return = (in_array(strtolower($tmp), ['1', 'on', 'true'])) ? true : false;
} elseif ('string' == $type) {
$return = htmlspecialchars((string) $_GET[$name], ENT_QUOTES);
} elseif ('unsafe' == $type) {
$return = $_GET[$name];
}
}
}
}
if ('boolean' == $type) {
$return = (in_array($return, ['on', '1']) ? true : false);
}
return $return;
}
}
/**
* Logging functionality.
*/
class aeSecureLog
{
private $_sLogFile = null;
protected static $instance = null;
public function __construct($sLogFile, $killFile = true)
{
$this->_sLogFile = $sLogFile;
if ((true == $killFile) && (file_exists($this->_sLogFile)) && (is_writable($this->_sLogFile))) {
unlink($this->_sLogFile);
}
return true;
}
public function kill()
{
if ((file_exists($this->_sLogFile)) && (is_writable($this->_sLogFile))) {
unlink($this->_sLogFile);
}
}
public function filename()
{
return $this->_sLogFile;
}
/**
* Add a line in the $sLogFile log file.
*
* @param type $sLine
*
* @return type
*/
public function addLog($sLine)
{
if (!is_writable(dirname((string) $this->_sLogFile))) {
return;
}
if ('' != $this->_sLogFile) {
if ($handle = fopen($this->_sLogFile, 'a')) {
fwrite($handle, (string) ($sLine . "\n"));
fclose($handle);
}
}
}
/**
* @param type $sLogFile Name of the logfile that will be used
* @param type $killFile Default True : kill the logfile if present when starting the run
*
* @return type
*/
public static function getInstance($sLogFile = null, $killFile = false)
{
if (null != $sLogFile) {
if (null === self::$instance) {
self::$instance = new aeSecureLog($sLogFile, $killFile);
}
}
return self::$instance;
}
}
/**
* Working with files and folders.
*/
class aeSecureFiles
{
protected $aeSession = null;
protected $aeLog = null;
protected static $instance = null;
public function __construct()
{
$this->aeSession = aeSecureSession::getInstance();
}
public function SeeFile(?string $filename = null): ?string
{
$return = null;
if (null != $filename) {
if ((is_file($filename)) && is_readable($filename)) {
$return = file_get_contents($filename);
}
}
return $return;
}
/**
* Kill physically a file.
*
* @return type -1 if the file has been removed successfully
*/
public function KillFile(?string $filename = null): int
{
$return = 0;
if (null == $filename) {
return $return;
}
if ((is_file($filename)) && is_writable($filename)) {
try {
if (true === $this->aeSession->get('Debug', DEBUG)) {
if (null == $this->aeLog) {
$this->aeLog = aeSecureLog::getInstance();
}
$this->aeLog->addLog('*** Kill ' . $filename . ' ***');
}
unlink($filename);
if (!is_file($filename)) {
$return = -1;
}
} catch (Exception $e) {
$return = -999;
}
} else {
$return = -50;
}
echo $return;
}
/**
* Remove recursively folders
* (f.i. rrmdir(__DIR__/hashes/cms/joomla/2.5.27) will kill the full tree below
* the specified folder).
*
* @param bool $killroot If true, the folder himself will be removed.
* rrmdir(__DIR__/hashes/cms/joomla/2.5.27, true) ==>
* remove folder 2.5.27 too and not only his children
*/
public function rrmdir(string $folder, bool $killroot = false, array $arrIgnoreFiles = ['.htaccess', 'index.html']): bool
{
try {
if (!is_dir($folder) && file_exists($folder)) {
try {
if (!is_writable($folder)) {
$bResult = @chmod($folder, octdec('755'));
}
return @unlink($folder);
} catch (Exception $e) {
return false;
}
}
foreach (scandir($folder) as $file) {
if ('.' == $file || '..' == $file || in_array($file, $arrIgnoreFiles)) {
continue;
}
if (!self::rrmdir($folder . DS . $file)) {
if (!is_writable($folder . DS . $file)) {
$bResult = chmod($folder . DS . $file, octdec('755'));
}
if (!self::rrmdir($folder . DS . $file)) {
return false;
}
}
}
// Remove the folder only if not read-only and empty
if ((is_writable($folder)) && (0 === count(glob("$folder/*")))) {
@rmdir($folder);
}
return true;
} catch (Exception $ex) {
if (true === $this->aeSession->get('Debug', DEBUG)) {
echo '
' . print_r($ex, true) . '
';
}
return false;
}
}
public static function getInstance(): self
{
if (null === self::$instance) {
self::$instance = new aeSecureFiles();
}
return self::$instance;
}
public static function getFileMimeType(string $filename): ?string
{
$mime_type = null;
if (is_file($filename)) {
$finfo = null;
if (class_exists('info')) {
// return mime type
$finfo = new finfo(FILEINFO_MIME);
}
if ($finfo) {
$file_info = $finfo->file($filename);
$mime_type = substr($file_info, 0, strpos($file_info, ';'));
} else {
// Requires to enable "extension=php_fileinfo.dll" on a Windows machine
if (function_exists('finfo_open')) {
$finfo = finfo_open(FILEINFO_MIME_TYPE);
}
if ($finfo) {
$mime_type = finfo_file($finfo, $filename);
finfo_close($finfo);
}
}
}
return $mime_type;
}
/**
* Return true if the file contains text content.
*/
public static function isTextFileContent(string $filename): string
{
$mimeType = aeSecureFiles::getFileMimeType($filename);
$isTextType = false;
// Try to determine if it's a text file; in that case the MIME type is
// something like text/plain or text/richtext i.e. starting with the "text/" prefix
$isTextType = ('text/' == substr((string) $mimeType, 0, 5));
// A few mimetype are also text like application/javascript
if (!$isTextType) {
$isTextType = in_array($mimeType, ['application/xml']);
// Still not? Try to use the file's extension to determine this
if (!$isTextType) {
$ext = pathinfo($filename, PATHINFO_EXTENSION);
$isTextType = in_array($ext, ['css', 'csv', 'eot', 'html', 'htm', 'ini',
'js', 'json', 'php', 'sh', 'svg', 'txt', 'xml']);
}
}
return $isTextType;
}
}
/**
* Session helper.
*/
class aeSecureSession
{
protected static $instance = null;
protected static $prefix = 'aeS_';
public function __construct($bDestroy = false)
{
// server should keep session data for AT LEAST 1 hour
try {
ini_set('session.gc_maxlifetime', 3600);
// each client should remember their session id for EXACTLY 1 hour
session_set_cookie_params(3600);
} catch (\Exception $exception) {
}
if (!isset($_SESSION)) {
try {
session_start();
} catch (Exception $e) {
// 1.1.9 - On some hoster the path where to store session is incorrectly
// set and this gives a fatal error
// Handle this and use the /tmp folder in this case.
try {
session_destroy();
session_save_path(sys_get_temp_dir());
try {
session_start();
} catch (Exception $e) {
// 1.1.12
// Still not? Use the current dir
session_destroy();
session_save_path(DIR);
session_start();
}
} catch (\Exception $exception) {
}
}
}
if ($bDestroy) {
session_destroy();
}
return true;
}
public static function getInstance($bDestroy = false): self
{
if (null === self::$instance) {
self::$instance = new aeSecureSession($bDestroy);
}
return self::$instance;
}
public static function set(string $name, mixed $value): void
{
$_SESSION[static::$prefix . $name] = $value;
}
public static function get(string $name, mixed $defaultvalue): mixed
{
return $_SESSION[static::$prefix . $name] ?? $defaultvalue;
}
}
/**
* CMS functionnalities.
*/
class aeSecureCMS
{
public const SUPPORTED_CMS = 'aesecure_quickscan_supported_cms.json';
/**
* Try to determine if the site is a CMS site and in that case, get the CMS version.
*/
public static function getInfo(string $directory): array
{
$CMS = '';
$MainVersion = '';
$Version = '';
$FullVersion = '';
// Try to derive the root folder
$root = rtrim($directory, DS) . DS;
// Get the list of CMS (it's a json string stored in a constant)
// and try to find a CMS
$file = DIR . DS . self::SUPPORTED_CMS;
if (!is_file($file)) {
aeSecureDownload::get($file, 'settings/');
}
if (!is_file($file)) {
die(sprintf('Sorry, the file [%s] is missing', basename($file)));
}
$arrCMS = json_decode(file_get_contents($file), true, 512, JSON_THROW_ON_ERROR);
foreach ($arrCMS as $key => $value) {
if (method_exists('aeSecureCMS', 'is' . $key)) {
$method = self::class . '::is' . $key; // PHP 8.2
[$return, $CMS, $Filename, $FullVersion, $MainVersion, $Version] = call_user_func($method, $root);
if (true === $return) {
break;
}
}
}
return [(string) $CMS, (string) $FullVersion, (string) $MainVersion, (string) $Version, (string) $root];
}
/**
* Detect if the CMS is Cake.
*/
private static function iscake(string $root): bool|array
{
$filename = rtrim($root, DS) . DS . 'admin' . DS . 'cake' . DS . 'config' . DS . 'config.php';
if (file_exists($filename)) {
$content = file_get_contents($filename);
preg_match('/.*\\Cake\.version\'\] *= *\'(.*)\'/', $content, $arrMatches, PREG_OFFSET_CAPTURE);
$FullVersion = (count($arrMatches) > 0) ? (string) $arrMatches[1][0] : '';
return [true, 'Cake', $filename, $FullVersion, $FullVersion, $FullVersion];
} else {
return false;
}
}
/**
* Detect if the CMS is Concrete5.
*/
private static function isConcrete5(string $root): bool|array
{
$filename = rtrim($root, DS) . DS . 'concrete' . DS . 'config' . DS . 'concrete.php';
if (file_exists($filename)) {
$content = file_get_contents($filename);
preg_match('/.*\'version\' *\=\> *\'(.*)\'/', $content, $arrMatches, PREG_OFFSET_CAPTURE);
$FullVersion = (count($arrMatches) > 0) ? (string) $arrMatches[1][0] : '';
return [true, 'Concrete5', $filename, $FullVersion, $FullVersion, $FullVersion];
} else {
return false;
}
}
/**
* Detect if the CMS is Contao.
*/
private static function isContao(string $root): bool|array
{
$filename = rtrim($root, DS) . DS . 'system' . DS . 'config' . DS . 'constants.php';
if (file_exists($filename)) {
$content = file_get_contents($filename);
preg_match('/.*VERSION\', *\'(.*)\'/', $content, $arrMatches, PREG_OFFSET_CAPTURE);
$MainVersion = (count($arrMatches) > 0) ? $arrMatches[1][0] : '';
preg_match('/.*BUILD\', *\'(.*)\'/', $content, $arrMatches, PREG_OFFSET_CAPTURE);
$FullVersion = $MainVersion . '.' . ((count($arrMatches) > 0) ? (string) $arrMatches[1][0] : '');
return [true, 'Contao', $filename, $FullVersion, $MainVersion, $FullVersion];
} else {
return false;
}
}
/**
* Detect if the CMS is Dolibarr.
*/
private static function isDolibarr(string $root): bool|array
{
$filename = rtrim($root, DS) . DS . 'htdocs' . DS . 'filefunc.inc.php';
if (file_exists($filename)) {
$content = file_get_contents($filename);
preg_match('/.*DOL_VERSION\', *\'(.*)\'/', $content, $arrMatches, PREG_OFFSET_CAPTURE);
$FullVersion = (count($arrMatches) > 0) ? (string) $arrMatches[1][0] : '';
return [true, 'Dolibarr', $filename, $FullVersion, $FullVersion, $FullVersion];
} else {
return false;
}
}
/**
* Detect if the CMS is Drupal.
*/
private static function isDrupal(string $root): bool|array
{
$filename = rtrim($root, DS) . DS . 'modules' . DS . 'system' . DS . 'system.module';
if (file_exists($filename)) {
$content = file_get_contents($filename);
preg_match('/.*define\(\'VERSION\', *\'(.*)\'/', $content, $arrMatches, PREG_OFFSET_CAPTURE);
$FullVersion = (count($arrMatches) > 0) ? $arrMatches[1][0] : '';
return [true, 'Drupal', $filename, $FullVersion, $FullVersion, $FullVersion];
} else {
return false;
}
}
/**
* Detect if the CMS is eFront.
*/
private static function iseFront(string $root): bool|array
{
$filename = rtrim($root, DS) . DS . 'libraries' . DS . 'configuration.php';
if (file_exists($filename)) {
$content = file_get_contents($filename);
preg_match('/.*G_VERSION_NUM\', *\'(.*)\'/', $content, $arrMatches, PREG_OFFSET_CAPTURE);
$FullVersion = (count($arrMatches) > 0) ? (string) $arrMatches[1][0] : '';
return [true, 'eFront', $filename, $FullVersion, $FullVersion, $FullVersion];
} else {
return false;
}
}
/**
* Detect if the CMS is EspoCRM.
*/
private static function isEspoCRM(string $root): bool|array
{
$filename = rtrim($root, DS) . DS . 'data' . DS . 'config.php';
if (file_exists($filename)) {
$content = file_get_contents($filename);
preg_match('/.*version\' \=\> *\'(.*)\'/', $content, $arrMatches, PREG_OFFSET_CAPTURE);
$FullVersion = (count($arrMatches) > 0) ? (string) $arrMatches[1][0] : '';
return [true, 'EspoCRM', $filename, $FullVersion, $FullVersion, $FullVersion];
} else {
return false;
}
}
/**
* Detect if the CMS is FormaLMS.
*/
private static function isFormaLMS(string $root): bool|array
{
$filename = rtrim($root, DS) . DS . 'appCore' . DS . 'index.php';
if (file_exists($filename)) {
$content = file_get_contents($filename);
preg_match('/.*_file_version_\', *\'(.*)\'/', $content, $arrMatches, PREG_OFFSET_CAPTURE);
$FullVersion = (count($arrMatches) > 0) ? (string) $arrMatches[1][0] : '';
return [true, 'FormaLMS', $filename, $FullVersion, $FullVersion, $FullVersion];
} else {
return false;
}
}
/**
* Detect if the CMS is Grav.
*/
private static function isGrav(string $root): bool|array
{
$filename = rtrim($root, DS) . DS . 'system' . DS . 'defines.php';
if (file_exists($filename)) {
$content = file_get_contents($filename);
preg_match('/.*define\(\'GRAV_VERSION\', *\'(.*)\'/', $content, $arrMatches, PREG_OFFSET_CAPTURE);
$FullVersion = (count($arrMatches) > 0) ? (string) $arrMatches[1][0] : '';
return [true, 'Grav', $filename, $FullVersion, $FullVersion, $FullVersion];
} else {
return false;
}
}
/**
* Detect if the CMS is GRR.
*/
private static function isGrr(string $root): bool|array
{
$filename = rtrim($root, DS) . DS . 'include' . DS . 'misc.inc.php';
if (file_exists($filename)) {
$content = file_get_contents($filename);
$pattern = '/\\$version_grr[[:blank:]]=[[:blank:]]"(.*)"/';
preg_match($pattern, $content, $arrMatches, PREG_OFFSET_CAPTURE);
$FullVersion = (count($arrMatches) > 0) ? (string) $arrMatches[1][0] : '';
return [true, 'GRR', $filename, $FullVersion, $FullVersion, $FullVersion, $root];
} else {
return false;
}
}
/**
* Detect if the CMS is Joomla.
*/
private static function isJoomla(string $root): bool|array
{
if ((($wpos = strpos($root, DS . 'administrator' . DS)) > 0) ||
(($wpos = strpos($root, DS . 'bin' . DS)) > 0) ||
(($wpos = strpos($root, DS . 'cache' . DS)) > 0) ||
(($wpos = strpos($root, DS . 'cli' . DS)) > 0) ||
(($wpos = strpos($root, DS . 'components' . DS)) > 0) ||
(($wpos = strpos($root, DS . 'images' . DS)) > 0) ||
(($wpos = strpos($root, DS . 'includes' . DS)) > 0) ||
(($wpos = strpos($root, DS . 'language' . DS)) > 0) ||
(($wpos = strpos($root, DS . 'layouts' . DS)) > 0) ||
(($wpos = strpos($root, DS . 'libraries' . DS)) > 0) ||
(($wpos = strpos($root, DS . 'logs' . DS)) > 0) ||
(($wpos = strpos($root, DS . 'media' . DS)) > 0) ||
(($wpos = strpos($root, DS . 'modules' . DS)) > 0) ||
(($wpos = strpos($root, DS . 'plugins' . DS)) > 0) ||
(($wpos = strpos($root, DS . 'templates' . DS)) > 0) ||
(($wpos = strpos($root, DS . 'tmp' . DS)) > 0)
) {
$root = substr($root, 0, $wpos);
}
// Now, $root is probably the website root. Check if we can found a Joomla!® instance
$filename = rtrim($root, DS) . DS . 'libraries' . DS . 'src' . DS . 'Version.php';
// Now, $root is probably the website root. Check if we can found a Joomla!® instance
if (!file_exists($filename)) {
$filename = rtrim($root, DS) . DS . 'libraries' . DS . 'cms' . DS . 'version' . DS . 'version.php';
}
if (!file_exists($filename)) {
$filename = rtrim($root, DS) . DS . 'libraries' . DS . 'joomla' . DS . 'version.php';
}
if (file_exists($filename)) {
$content = file_get_contents($filename);
$pattern = '/MAJOR_VERSION = (\d+)/';
if (preg_match($pattern, $content, $arrMatches, PREG_OFFSET_CAPTURE) > 0) {
// As from Joomla 4, RELEASE, DEV_LEVEL, ... are removed.
$arr = ['MAJOR_VERSION' => 0, 'MINOR_VERSION' => 0, 'PATCH_VERSION' => 0, 'RELDATE' => 0, 'RELTIME' => 0, 'RELTZ' => 0];
} else {
$arr = ['RELEASE' => 0, 'DEV_LEVEL' => 0, 'DEV_STATUS' => 0, 'RELDATE' => 0, 'RELTIME' => 0, 'RELTZ' => 0];
}
foreach ($arr as $key => $value) {
// Use [[:blank:]] and not just a space character because sometimes the
// version.php file contains something other than a space
// this is the case for J1.5.26
// Note : since J3.5, variables are now constants and without the preceding dollar sign so
// before J3.5, it was $RELEASE f.i., since 3.5, it's just RELEASE
$pattern = '/.*\$?' . $key . "[[:blank:]]*=[[:blank:]]*'?([0-9A-Za-z\-\.]*)'?/";
preg_match($pattern, $content, $arrMatches, PREG_OFFSET_CAPTURE);
if (count($arrMatches) > 0) {
$arr[$key] = $arrMatches[1][0];
}
}
if (isset($arr['MAJOR_VERSION'])) {
// Joomla 3.8.2 or greater
$MainVersion = $arr['MAJOR_VERSION'] . '.' . $arr['MINOR_VERSION'];
$Version = $arr['MAJOR_VERSION'] . '.' . $arr['MINOR_VERSION'] . '.' . $arr['PATCH_VERSION'];
$FullVersion = $arr['MAJOR_VERSION'] . '.' . $arr['MINOR_VERSION'] . '.' . $arr['PATCH_VERSION'] . ' ' . '(' . $arr['RELDATE'] . ' ' . $arr['RELTIME'] . ' ' . $arr['RELTZ'] . ')';
} else {
$MainVersion = $arr['RELEASE'];
$Version = $arr['RELEASE'] . '.' . $arr['DEV_LEVEL'];
$FullVersion = $arr['RELEASE'] . '.' . $arr['DEV_LEVEL'] . ' (' . $arr['DEV_STATUS'] . ') ' . '(' . $arr['RELDATE'] . ' ' . $arr['RELTIME'] . ' ' . $arr['RELTZ'] . ')';
}
return [true, 'Joomla', $filename, (string) $FullVersion, (string) $MainVersion, (string) $Version];
} else {
return false;
}
}
/**
* Detect if the CMS is Magento.
*/
private static function isMagento(string $root): bool|array
{
$filename = rtrim($root, DS) . DS . 'app' . DS . 'Mage.php';
if (file_exists($filename)) {
$content = file_get_contents($filename);
$arr = ['major' => 0, 'minor' => 0, 'revision' => 0, 'patch' => 0];
foreach ($arr as $key => $value) {
preg_match('/.*\'' . $key . '\' *=\> *\'(\\d+)\'/', $content, $arrMatches, PREG_OFFSET_CAPTURE);
if (count($arrMatches) > 0) {
(string) $arr[$key] = $arrMatches[1][0];
}
}
$FullVersion = $arr['major'] . '.' . $arr['minor'] . '.' . $arr['revision'] . '.' . $arr['patch'];
return [true, 'Magento', $filename, $FullVersion, $FullVersion, $FullVersion];
} else {
return false;
}
}
/**
* Detect if the CMS is MediaWiki.
*/
private static function isMediaWiki(string $root): bool|array
{
$filename = rtrim($root, DS) . DS . 'includes' . DS . 'DefaultSettings.php';
if (file_exists($filename)) {
$content = file_get_contents($filename);
$pattern = '/.*\$wgVersion \= \'(\\d+\\.\\d+\\.\\d+)\'/';
preg_match($pattern, $content, $arrMatches, PREG_OFFSET_CAPTURE);
$FullVersion = (count($arrMatches) > 0) ? (string) $arrMatches[1][0] : '';
return [true, 'MediaWiki', $filename, $FullVersion, $FullVersion, $FullVersion, $root];
} else {
return false;
}
}
/**
* Detect if the CMS is phpBB.
*/
private static function isphpBB(string $root): bool|array
{
$filename = rtrim($root, DS) . DS . 'styles' . DS . 'prosilver' . DS . 'style.cfg';
if (file_exists($filename)) {
$content = file_get_contents($filename);
$pattern = '/.*phpbb_version \= (\\d+\\.\\d+\\.\\d+)/';
preg_match($pattern, $content, $arrMatches, PREG_OFFSET_CAPTURE);
$FullVersion = (count($arrMatches) > 0) ? (string) $arrMatches[1][0] : '';
return [true, 'phpBB', $filename, $FullVersion, $FullVersion, $FullVersion];
} else {
return false;
}
}
/**
* Detect if the CMS is phpList.
*/
private static function isphpList(string $root): bool|array
{
$filename = rtrim($root, DS) . DS . 'public_html' . DS . 'lists' . DS . 'admin' . DS . 'init.php';
if (file_exists($filename)) {
$content = file_get_contents($filename);
preg_match('/.*"VERSION", "(.*)"/', $content, $arrMatches, PREG_OFFSET_CAPTURE);
$FullVersion = (count($arrMatches) > 0) ? (string) $arrMatches[1][0] : '';
return [true, 'phpList', $filename, $FullVersion, $FullVersion, $FullVersion];
} else {
return false;
}
}
/**
* Detect if the framework is phpMyAdmin.
*/
private static function isphpmyadmin(string $root): bool|array
{
$filename = rtrim($root, DS) . DS . 'libraries' . DS . 'config.class.php';
if (!file_exists($filename)) {
$filename = rtrim($root, DS) . DS . 'libraries' . DS . 'config.php';
}
if (file_exists($filename)) {
$content = file_get_contents($filename);
$pattern = '/.*PMA_VERSION\', *\'(\\d+\\.\\d+\\.\\d+)\'/';
preg_match($pattern, $content, $arrMatches, PREG_OFFSET_CAPTURE);
$FullVersion = (count($arrMatches) > 0) ? (string) $arrMatches[1][0] : '';
return [true, 'phpmyadmin', $filename, $FullVersion, $FullVersion, $FullVersion, $root];
} else {
return false;
}
}
/**
* Detect if the framework is PMP.
*/
private static function isPMB(string $root): bool|array
{
$filename = rtrim($root, DS) . DS . 'includes' . DS . 'config.inc.php';
if (file_exists($filename)) {
$content = file_get_contents($filename);
$pattern = '/\\$pmb_version_brut[[:blank:]]=[[:blank:]]"(\\d+\\.\\d+\\.\\d+(.*))"/';
preg_match($pattern, $content, $arrMatches, PREG_OFFSET_CAPTURE);
$FullVersion = (count($arrMatches) > 0) ? (string) $arrMatches[1][0] : '';
return [true, 'PMB', $filename, $FullVersion, $FullVersion, $FullVersion, $root];
} else {
return false;
}
}
/**
* Detect if the CMS is Prestashop.
*/
private static function isPrestashop(string $root): bool|array
{
$filename = rtrim($root, DS) . DS . 'config' . DS . 'settings.inc.php';
if (file_exists($filename)) {
$content = file_get_contents($filename);
$pattern = '/.*_PS_VERSION_\', *\'(.*)\'/';
preg_match($pattern, $content, $arrMatches, PREG_OFFSET_CAPTURE);
$FullVersion = (count($arrMatches) > 0) ? (string) $arrMatches[1][0] : '';
return [true, 'Prestashop', $filename, $FullVersion, $FullVersion, $FullVersion];
} else {
return false;
}
}
/**
* Detect if the CMS is SilverStripe.
*/
private static function isSilverStripe(string $root): bool|array
{
$filename = rtrim($root, DS) . DS . 'cms' . DS . 'silverstripe_version';
if (file_exists($filename)) {
$FullVersion = (string) file_get_contents($filename);
return [true, 'silverstripe', $filename, $FullVersion, $FullVersion, $FullVersion];
} else {
return false;
}
}
/**
* Detect if the CMS is WordPress.
*/
private static function isWordPress(string $root): bool|array
{
$filename = '';
if (strpos($root, 'wp-admin') > 0) {
$filename = rtrim(substr($filename, 0, strpos($root, 'wp-admin')), DS) . DS . 'wp-includes' . DS . 'version.php';
} elseif (strpos($root, 'wp-content') > 0) {
$filename = rtrim(substr($filename, 0, strpos($root, 'wp-content')), DS) . DS . 'wp-includes' . DS . 'version.php';
} elseif (strpos($root, 'wp-includes') > 0) {
$filename = rtrim(substr($filename, 0, strpos($root, 'wp-includes')), DS) . DS . 'wp-includes' . DS . 'version.php';
} else {
$filename = rtrim($root, DS) . DS . 'wp-includes' . DS . 'version.php';
if (!file_exists($filename)) {
$filename = rtrim(dirname($root), DS) . DS . 'wp-includes' . DS . 'version.php';
}
}
if (file_exists($filename)) {
// ---------------------------
// --- WordPress ---
// ---------------------------
$CMS = 'Wordpress';
$configuration = file_get_contents($filename);
$pattern = '/.*\\$wp_version *= *\'(.*)\'/';
preg_match($pattern, $configuration, $arrMatches, PREG_OFFSET_CAPTURE);
$FullVersion = (count($arrMatches) > 0) ? (string) $arrMatches[1][0] : '';
// Get the website root folder
$root = dirname(dirname($filename));
return [true, $CMS, $filename, $FullVersion, $FullVersion, $FullVersion];
} else {
return false;
}
}
/**
* Detect if the CMS is x3cms.
*/
private static function isx3cms(string $root): bool|array
{
$filename = rtrim($root, DS) . DS . 'INSTALL' . DS . 'index.php';
if (file_exists($filename)) {
$content = file_get_contents($filename);
$pattern = '/.*\'X4VERSION\', *\'(\\d+\\.\\d+\\.\\d+)\'/';
preg_match($pattern, $content, $arrMatches, PREG_OFFSET_CAPTURE);
$FullVersion = (count($arrMatches) > 0) ? (string) $arrMatches[1][0] : '';
return [true, 'x3cms', $filename, $FullVersion, $FullVersion, $FullVersion];
} else {
return false;
}
}
}
/**
* PHP, JS and HTML code related to the progress bar functionnality.
*/
class aeSecureProgressBar
{
protected $aeSession = null;
private $_filename = null;
private $_ID = null;
private $_CSS = 'progress-bar';
private int $_frequency = 1000; // refresh the progress bar each xx seconds (1000=one second)
private int $_start = 0; // f.i. 0 (current step in the progress bar)
private int $_end = 0; // f.i. 100 (number of steps)
private int $_pct = 0; // calculated progression in percentage
protected static $instance = null;
public function __construct($ID, $Class)
{
$this->_ID = $ID;
$this->_CSS = $Class;
$this->_filename = str_replace('.php', '.tmp', __FILE__);
$this->_start = 0;
$this->_end = 100;
$this->_pct = 0;
// Refresh frequency
$this->_frequency = PROGRESSBARFREQUENCY * 1000;
$this->aeSession = aeSecureSession::getInstance();
return true;
}
/**
* Getter & Setter for the Start position of the progress bar (by default, 0).
*/
public function getStart(): int
{
return $this->_start;
}
public function setStart(int $value = 0): void
{
$this->_start = $value;
}
/**
* Getter & Setter for the End position of the progress bar (by default, 100).
*/
public function getEnd(): int
{
return 0 == $this->_end ? 1 : $this->_end;
}
public function setEnd(int $value = 100): void
{
$this->_end = $value;
}
/**
* Remove the temporary file with the progress indicator.
*/
public function clean()
{
if (file_exists($this->_filename)) {
unlink($this->_filename);
}
}
/**
* Increment the position of the progress bar percentage (write the percentage
* in the temporary file that will be used by the ajax Progress bar).
*
* @return bool
*/
public function incTaskCount()
{
if (true === $this->aeSession->get('Debug', DEBUG)) {
return false;
}
++$this->_start;
if (($this->_start / $this->getEnd()) > $this->_pct) {
$this->_pct = intval(intval($this->_start) / $this->getEnd());
// *******************************************************************
// *******************************************************************
// *******************************************************************
//
// The session should be closed otherwise Ajax request won't be called
// asynchronously and the progress bar won't be incremented
// http://stackoverflow.com/questions/3506574
session_write_close();
//
// *******************************************************************
if ($handle = fopen($this->_filename, 'w+')) {
fwrite($handle, (int)($this->_pct * 100));
fclose($handle);
}
}
return true;
}
/**
* Return the current progress value; read it from a file.
*/
public function getProgress()
{
if (true === $this->aeSession->get('Debug', DEBUG)) {
return false;
}
header('Content-Type: application/json');
header('Cache-Control: no-cache');
if (file_exists($this->_filename)) {
echo json_encode(['pct' => file_get_contents($this->_filename)], JSON_THROW_ON_ERROR);
} else {
echo json_encode(['pct' => '100']);
}
try {
ob_end_flush();
flush();
} catch (Exception $e) {
}
die();
}
/**
* Generate the HTML code for the progress bar.
*
* @return type
*/
public function getHTML()
{
if (true === $this->aeSession->get('Debug', DEBUG)) {
return false;
}
echo
'
' .
'
' .
'
' .
'
' .
'
' .
'
';
}
/**
* Generate the JS code for the progress bar (initialization and show evolution
* during the scanning).
*
* @param mixed $what
*/
public function getJSFunction($what = 'function')
{
if (true === $this->aeSession->get('Debug', DEBUG)) {
return false;
}
switch ($what) {
case 'initialize':
// Variables needed for the progress bar JS code
echo 'progressFct=null;previousPct=0;';
break;
case 'ajax_before':
// The long process will start; initialize the progress bar and show it
echo
'previousPct=0;' .
'$(".' . $this->_CSS . '").attr("aria-valuenow", 0);' .
'$(".' . $this->_CSS . '").css("width","0%");' .
'$(".' . $this->_CSS . '").html($(".' . $this->_CSS . '").attr("aria-valuenow") + "%");' .
'$("#' . $this->_ID . '").fadeIn(300); ' .
'progressFct=setInterval( function () {getProgress();},' . $this->_frequency . ');';
break;
case 'ajax_success':
// The long process is now finished, put the progress bar to 100% and then hide it
echo
'$(".' . $this->_CSS . '").attr("aria-valuenow", 100);' .
'$(".' . $this->_CSS . '").css("width","100%");' .
'$(".' . $this->_CSS . '").html($(".' . $this->_CSS . '").attr("aria-valuenow") + "%");' .
'clearTimeout(progressFct);' .
'$("#' . $this->_ID . '").fadeOut(300);';
break;
case 'function':
// The long process is running, update the progress bar
echo
'function getProgress() {
$.ajax({
url:"' . FILE . '",
data:"task=progress",
type:"' . ((true === $this->aeSession->get('Debug', DEBUG)) ? 'GET' : 'POST') . '",
async:true,
timeout: 600000, // Scanning a site can be very long
cache:false,
dataType:"json",
success: function(json) {
percentage=parseInt(json.pct);
if (percentage>=100) {
$(".' . $this->_CSS . '").attr("aria-valuenow", 100);
$(".' . $this->_CSS . '").css("width","100%");
$(".' . $this->_CSS . '").html($(".' . $this->_CSS . '").attr("aria-valuenow") + "%");
clearTimeout(progressFct);
$("#' . $this->_ID . '").fadeOut(300);
} else {
if (percentage>previousPct) {
if ($("#gettingFiles").length) $("#gettingFiles").hide();
if (percentage>100) percentage=100;
$(".' . $this->_CSS . '").attr("aria-valuenow", Math.round(percentage));
$(".' . $this->_CSS . '").css("width", percentage + "%");
$(".' . $this->_CSS . '").html($(".' . $this->_CSS . '").attr("aria-valuenow") + "%");
$("#' . $this->_ID . '").show();
previousPct=percentage;
}
}
} // success
});
return;
} // function getProgress()';
break;
}
}
/**
* @param type $ID ID to give to the HTML progress bar container
* @param type $Class CSS class to give to the HTML container
*
* @return type
*/
public static function getInstance($ID = 'ajaxResultPct', $Class = 'progress-bar')
{
if (null === self::$instance) {
self::$instance = new aeSecureProgressBar($ID, $Class);
}
return self::$instance;
}
}
/**
* The scanner himself.
*/
class aeSecureScan
{
// hash of files already scanned and are viruses (the file is a virus)
public const BLACKLIST = 'aesecure_quickscan_blacklist.json';
// JSON for the detected CMS (f. i. aesecure_quickscan_J!3.9.0.json for a Joomla 3.9.0 version)
public const CMS = 'aesecure_quickscan_%s.json';
// hash of files already scanned and where a virus was found (the file contains a virus)
public const EDITED = 'aesecure_quickscan_edited.json';
// hash of files that can be considered as safe
public const OTHER = 'aesecure_quickscan_other.json';
// JSON with patterns to scan for finding viruses
public const PATTERN = 'aesecure_quickscan_pattern.json';
// hash of files that can be considered as safe
public const WHITELIST = 'aesecure_quickscan_whitelist.json';
// List of supported CMS
public const SUPPORTED_CMS = 'aesecure_quickscan_supported_cms.json';
public const FOLDERS = 'aesecure_quickscan_folders.json';
protected $aeFiles = null;
protected $aeLanguage = null;
protected $aeLog = null;
protected $aeSession = null;
protected $aeProgress = null;
private $_directory = null; // Folder to scan
private $_start = 0; // When processing files by block (files #1 till #2500, #2501 till #5000, ...) start is the "from" part f.i. 2501
private int $_end = 0; // and _end will be the end part f.i. 5000
private $_arrCMS = null; // Used by the hash functions
private $_arrRegex = null; // Array with regex patterns to match
private $_arrCMSHashes = null; // Array with the hash of the installed CMS
private $_arrWhiteListHashes = null; // Array with whitelisted files (files from the CMS core)
private $_arrOtherHashes = null; // Array with whitelisted files (files whitelisted during aeSecure DeepScan runs)
private $_arrBlackListHashes = null; // Array with blacklisted files (the file is a virus)
private $_arrEditedHashes = null; // Array with hash of edited files (a virus was appended in a file)
public function __construct()
{
date_default_timezone_set('Europe/Brussels');
setlocale(LC_TIME, 'fr_FR.utf8', 'fra');
// Instanciate objects
$this->aeLanguage = aeSecureLanguage::getInstance();
$this->aeFiles = aeSecureFiles::getInstance();
$this->aeProgress = aeSecureProgressBar::getInstance();
$this->aeSession = aeSecureSession::getInstance();
// Create the logfile
if (true === $this->aeSession->get('Debug', DEBUG)) {
$this->aeLog = aeSecureLog::getInstance(str_replace('.php', '.files.tmp', __FILE__));
}
$rootFolder = DIR;
$this->aeSession->set('folder', '');
// By default, scan the current directory.
// In Expert mode, allow to use a session to store the name of the folder
// Get the folder to process
if (true === $this->aeSession->get('Expert', EXPERT)) {
$folder = base64_decode((string) aeSecureFct::getParam('folder', 'string', ''));
if ('' == $folder) {
$folder = $this->aeSession->get('folder', $rootFolder);
}
// Check if the user has specified a folder in the user entry form
if (is_dir($folder)) {
$this->aeSession->set('folder', $folder);
}
} else {
$tmp = $this->aeSession->get('folder', '');
if ('' == $tmp) {
$this->aeSession->set('folder', $rootFolder);
}
}
// When running the scan for f.i. only 1000 files and not all files present on the server,
// the start parameter will f.i. be set to 0 while the end parameter will be set to 1000.
// This is just like a pagination so processing the 1000 next files will be :
// start=1000 and end=1000.
$this->_start = aeSecureFct::getParam('start', 'integer', 0);
$this->_end = $this->_start + aeSecureFct::getParam('end', 'integer', 0);
$this->_directory = $rootFolder;
if ($this->aeSession->get('Expert', EXPERT)) {
$this->_directory = trim((string) $this->aeSession->get('folder', $rootFolder));
if ('' == $this->_directory) {
$this->_directory = $rootFolder;
}
}
$this->_arrCMS = [['joomla' => 'J!'], ['wordpress' => 'WP']];
if (!is_file($file = DIR . DS . self::PATTERN)) {
aeSecureDownload::get($file, 'settings/');
}
return true;
}
public function directory()
{
return $this->_directory;
}
/**
* The aesecure_quickscan_pattern.json is using constant for the disclaimer info.
* These constants should be replaced by their translated text.
*
* @param type $disclaimer
*
* @return string
*/
public function getDisclaimerText($disclaimer)
{
$return = match ($disclaimer) {
'HIGHPROBALITY' => $this->aeLanguage->get('HIGHPROBALITY'),
'HIGHPROBALITYFALSEGIF' => $this->aeLanguage->get('HIGHPROBALITYFALSEGIF'),
'WARNINGBASE64ENCODEDPATTERN' => $this->aeLanguage->get('WARNINGBASE64ENCODEDPATTERN'),
'HIGHPROBALITYBADSITE' => $this->aeLanguage->get('HIGHPROBALITYBADSITE'),
'HIGHPROBALITYBASE64KEYWORD' => $this->aeLanguage->get('HIGHPROBALITYBASE64KEYWORD'),
'WARNINGNOTMANDATORYAVIRUS' => $this->aeLanguage->get('WARNINGNOTMANDATORYAVIRUS'),
default => $disclaimer . ((true === $this->aeSession->get('Debug', DEBUG))
? ' *please add translation*'
: ''),
};
return $return;
}
/**
* Add a file in the whitelist.
*/
public function WhiteList(?string $filename = null)
{
// Don't white list files in demo mode, simulate that everything was ok (return -1)
if (DEMO) {
return -1;
}
if (!is_file($file = DIR . DS . self::WHITELIST)) {
aeSecureDownload::get($file, 'settings/');
}
if (!is_file($file)) {
die(sprintf('Sorry, the file [%s] is missing', basename($file)));
}
if (file_exists($filename)) {
$json = json_decode(file_get_contents($file), true, 512, JSON_THROW_ON_ERROR);
$sha = md5_file($filename);
if (!(isset($json[$sha]))) {
$json[$sha] = 1;
}
asort($json);
// Output the file with all hashes
$fp = fopen($file, 'w');
fwrite($fp, json_encode($json, JSON_THROW_ON_ERROR));
fclose($fp);
unset($fp);
}
return -1;
}
/**
* Process the action (like running the scan or displaying the progress bar).
*/
public function Process()
{
if (!is_file($file = DIR . DS . self::PATTERN)) {
aeSecureDownload::get($file, 'settings/');
}
if (!is_file($file)) {
die(sprintf('Sorry, the file [%s] is missing', basename($file)));
}
$this->_arrRegex = json_decode(file_get_contents($file), true, 512, JSON_THROW_ON_ERROR);
// Process the task if any, from POST or GET depending on the debug mode state
// Get the folder to process
$this->_directory = DIR;
if ($this->aeSession->get('Expert', EXPERT)) {
$this->_directory = trim((string) $this->aeSession->get('folder', DIR));
if ('' == $this->_directory) {
$this->_directory = DIR;
}
}
$task = aeSecureFct::getParam('task', 'string', '');
if ('' !== $task) {
switch ($task) {
case 'checkwhitelist': {
// Detect the existence of the whitelist.json file
$filename = DIR . DS . self::WHITELIST;
echo file_exists($filename) ? 1 : 0;
die();
break;
}
case 'byebye': {
// Don't kill files in demo mode, simulate that everything was ok (return -1)
if (DEMO) {
die(-1);
}
// keepwhitelist is a variable posted by the Ajax request and will
// inform if the script should or not remove the user's whitelist file.
$bKeepWhiteList = aeSecureFct::getParam('keepwhitelist', 'boolean', true);
if (true !== $this->aeSession->get('Debug', DEBUG)) {
// Get the list of aeSecure QuickScan JSON
// Need to use "DIR . DS" so filenames will be absolute which is needed
$arrDeleteFiles = glob(DIR . DS . 'aesecure_quickscan_*.json');
// And don't scan this script also
$arrDeleteFiles[] = DIR . DS . FILE;
// Kill the debug log file if present
if (null !== $this->aeLog) {
$arrDeleteFiles[] = $this->aeLog->filename();
}
foreach ($arrDeleteFiles as $filename) {
$bDelete = true;
if ($filename == DIR . DS . self::WHITELIST) {
// If $bKeepWhiteList=true, we can't delete the file
$bDelete = !$bKeepWhiteList;
}
if ($bDelete) {
if (is_file($filename) && is_readable($filename)) {
unlink($filename);
}
}
}
}
die('
' .
'Success The file ' . FILE .
' has been removed from the server.
');
break;
}
case 'doscan': {
die($this->doScan());
break;
}
case 'getcountfiles': {
die($this->getCountFiles());
break;
}
case 'killfile': {
// Don't kill files in demo mode, simulate that everything was ok (return -1)
if (DEMO) {
die(-1);
}
$filename = base64_decode((string) aeSecureFct::getParam('filename', 'string', ''));
if ('' != $filename) {
die($this->aeFiles->KillFile($filename));
}
break;
}
case 'seedebug': {
$filename = $this->aeLog->filename();
if (file_exists($filename)) {
$src = htmlentities((string) $this->aeFiles->SeeFile($filename));
} else {
$src = 'File ' . $filename . ' not found';
}
die('
' . $src . '
');
break;
}
case 'seefile': {
if (DEMO) {
// Don't return source code in DEMO mode
echo '
' .
'Demo mode This functionnality is not enabled ' .
'during the demo mode; sorry.
';
die();
}
$filename = base64_decode((string) aeSecureFct::getParam('filename', 'string', ''));
$src = htmlentities((string) $this->aeFiles->SeeFile($filename));
// Highlight patterns in the file source code
foreach ($this->_arrRegex as $regex) {
$arrMatch = [];
preg_match_all('/' . $regex['pattern'] . '/im', $src, $arrMatch, PREG_OFFSET_CAPTURE);
// Something found? Greater than zero means; yes, the regex has been matched.
if (count($arrMatch[0]) > 0) {
$disclaimer = (key_exists('disclaimer', $regex)
? $this->getDisclaimerText($regex['disclaimer'])
: '');
$patternFound = count($arrMatch[1]);
for ($i = 0; $i < $patternFound; $i++) {
// Get the found keyword (f.i. AnonGhost then, in the second loop,
// bash_history in our example)
$keyword = (isset($arrMatch[1][$i][0])
? $keyword = $arrMatch[1][$i][0]
: '');
if (!in_array($arrMatch[0], [null, ''])) {
$src = str_replace($keyword, '' . $keyword . '', $src);
}
}
}
}
$src = '' .
'' .
'' .
'' .
'' .
'' .
'' .
'aeSecure QuickScan | ' . basename($filename) . '' .
'' .
'' .
'' .
'' .
'
' .
'
' . $filename . '
' . $src . '
' .
self::getHTMLFooter() .
'';
die($src);
break;
}
case 'progress': {
die($this->aeProgress->getProgress());
break;
}
case 'cleansite': {
die($this->doCleanSite());
break;
}
case 'chgfolder': {
// Get the CMS if any
[$CMS, $CMSFullVersion, $CMSMainVersion, $CMSVersion, $SiteRoot] = aeSecureCMS::getInfo($this->_directory);
// reset the list of files to be sure that the scanner will process them again
$this->aeSession->set('arrFiles', null);
$this->aeSession->set('folder', null);
header('Content-Type: application/json');
header('Cache-Control: no-cache');
echo json_encode(
[
'CMS' => $CMS . ' ' . $CMSFullVersion,
],
JSON_THROW_ON_ERROR
);
die('');
break;
}
case 'whitelist': {
$filename = base64_decode((string) aeSecureFct::getParam('filename', 'string', ''));
die($this->WhiteList($filename));
break;
}
default: {
die('
Invalid call' .
'Sorry, the call to ' . FILE . ' is invalid.
');
}
}
}
// No given task given, display the HTML page
}
/**
* Download from avonture.be a json file with the hash of natives files of,
* f.i., Joomla 3.9.0. If the download is successfull, the downloaded file will be stored
* in the same folder than this script, name : aesecure_quickscan_CMS.json. This file will be killed
* when the user will click on the "Kill this script" button available on the user's form.
*
* @param string $CMS f.i. "Joomla"
* @param string $version f.i. "2.5.27"
*
* @return array array of hashes like below. All these hashes are native files => no scan needed
* array(3707) {
* ["a62f6525e7418dc679ad1c6c2ebe662dc67207cb"]=> int(1)
* ["43ae5dae1df4bec4ecb2879146518283f55eab67"]=> int(1)
* ["9b0661ab4d6d640ef8275995dfc2830c974af781"]=> int(1)
* ["6e71c8f8ba7b9318d57773c4cdb60e98ffb43eb0"]=> int(1)
*/
public function gethashes(string $CMS, string $version): array
{
if (null == $CMS) {
return [null, null];
}
$file = DIR . DS . self::SUPPORTED_CMS;
if (!is_file($file)) {
return [null, null];
}
$arrCMS = json_decode(file_get_contents($file), true, 512, JSON_THROW_ON_ERROR);
// arrCMS is an array like this :
// ['joomla']=array("prefix"=>"J!","archives"=>"http://")
// One entry by CMS with an array with, at least, "prefix" and "archives"
$prefix = $arrCMS[strtolower($CMS)]['prefix'];
// Build the name of the JSON file with whitelisted hash for the CMS found on the system
// Build a filename like c:/site/hacked/aesecure_quickscan_J!3.9.0.json
$json = DIR . DS . sprintf(self::CMS, $prefix . $version);
// Pascal : recherche dans repertoire hashes :
// $json = DIR . DS . 'hashes'. DS.strtolower($CMS).DS.$prefix . $version.'.json';
// If the file has zero byte, remove it, not normal.
// @TODO : file_exists while raise a fatal error when there is an open_basedir
// restriction and when aeSecure QuickScan has been stored in the website rootfolder
// => by searching one folder above, open_basedir will block the request and will return
// an empty page
if ((null != $json) && file_exists($json) && (0 == filesize($json))) {
@unlink($json);
}
if (!file_exists($json)) {
// Try to download the JSON for the CMS and the version found
// On GitHub the file with CMS hashes doesn't start with the
// "aesecure_quickscan_" prefix
$json = rtrim(dirname($json), DS) . DS .
str_replace('aesecure_quickscan_', '', basename($json));
aeSecureDownload::get($json, 'hashes/' . strtolower($CMS) . '/');
if (file_exists($json)) {
// rename the file from f.i. "J!3.9.0.json" to "aesecure_quickscan_J!3.9.0.json"
// so all Quickscan files are using the "aesecure_quickscan_" prefix
$old = $json;
$json = rtrim(dirname($old), DS) . DS . 'aesecure_quickscan_' . basename($old);
rename($old, $json);
}
}
// Do we have the json file with all hashes?
// Created just now or already there from a previous run?
$arrHashes = [];
if (file_exists($json)) {
$arrHashes = json_decode(file_get_contents($json), true, 512, JSON_THROW_ON_ERROR);
}
return [$arrHashes];
}
public function getHTMLFooter(): string
{
$aeLanguage = aeSecureLanguage::getInstance();
return '';
}
public function getCountPatterns(): int
{
return count($this->_arrRegex);
}
/**
* Clean the site by emptying the cache folders and temporary folders.
*
* @return type
*/
private function doCleanSite(): void
{
$output = '';
// Try to clean these folders
$arr = [
'administrator' . DS . 'cache',
'aesecure' . DS . 'cache',
'aesecure' . DS . 'tmp',
'cache',
'temp'
];
foreach ($arr as $tmp) {
if (is_dir($folder = rtrim((string) $this->_directory, DS) . DS . $tmp)) {
if (!DEMO) {
$this->aeFiles->rrmdir(
$dir = $folder,
$killroot = false,
$arrIgnoreFiles = ['.htaccess', 'index.html']
);
}
// Don't give full path in demo mode
if (DEMO) {
$folder = str_replace(DIR, '', $folder);
}
$output .= '
';
}
/**
* Read the json files with hashes (whitelist, other and blacklist) and initialize arrays
* This function is called by the GetCountFiles() and doScan() functions.
*/
private function initializeHashes(): bool
{
// Try to determine the CMS used and, if found one, try to get a json file
// with hashes of native files. If found, this is a tremendous news since
// these files are known as safe (native ones!) so should not be scanned
// when the file present on the website has the same hash meaning that this
// file was never altered at all.
[$CMS, $CMSFullVersion, $CMSMainVersion, $CMSVersion, $SiteRoot] = aeSecureCMS::getInfo($this->_directory);
[$this->_arrCMSHashes] = $this->gethashes($CMS, $CMSVersion);
// Get whitelist.json and other.json
for ($i = 0; $i < 2; $i++) {
$file = (0 == $i ? self::WHITELIST : self::OTHER);
$arr = [];
if (file_exists(DIR . DS . $file)) {
$arr = json_decode(file_get_contents(DIR . DS . $file), true, 512, JSON_THROW_ON_ERROR);
} else {
// Try to download the file
$json = DIR . DS . $file;
// Download the whitelist file if possible
if (!file_exists($json)) {
aeSecureDownload::get($json, 'settings/');
}
// If the file has zero byte, delete it, the download was not successfull
try {
if (file_exists($json) && (0 == filesize($json))) {
unlink($json);
}
} catch (Exception $ex) {
}
if (file_exists($json)) {
$arr = json_decode(file_get_contents($json), true, 512, JSON_THROW_ON_ERROR);
}
}
if (0 == $i) {
$this->_arrWhiteListHashes = $arr;
} else {
$this->_arrOtherHashes = $arr;
}
}
// Check if there is a blacklist hash file
if (!file_exists($file = DIR . DS . self::BLACKLIST)) {
aeSecureDownload::get($file, 'settings/');
}
// If so, load the file
if (file_exists($file)) {
$this->_arrBlackListHashes = json_decode(file_get_contents($file), true, 512, JSON_THROW_ON_ERROR);
}
// Check if there is a edited hash file
if (!file_exists($file = DIR . DS . self::EDITED)) {
aeSecureDownload::get($file, 'settings/');
}
// If so, load the file
if (file_exists($file)) {
$this->_arrEditedHashes = json_decode(file_get_contents($file), true, 512, JSON_THROW_ON_ERROR);
}
return true;
}
/**
* Scan the disk and search for each files that will be then processed by the scanner.
* This function will initialize the arrFiles session variable.
*/
private function getCountFiles(mixed $echo = true, mixed &$arrFiles = null): bool
{
try {
clearstatcache();
if (!get_cfg_var('safe_mode')) {
// set_time_limit isn't used when safe_mode is active
// No max execution time
@ini_set('max_execution_time', '0');
// Remove time limit; avoid 504 HTTP errors
@ini_set('set_time_limit', '0');
}
} catch (Exception $e) {
}
// Allocate the maximum allowed memory to the script (-1 = no limit)
@ini_set('memory_limit', (true !== $this->aeSession->get('Debug', DEBUG)) ? -1 : MEMORY_LIMIT);
if (!is_dir($this->_directory)) {
echo '
' .
sprintf(DIRNOTFOUND, $this->_directory) . '
';
return false;
}
$previousFolder = $this->aeSession->get('Folder', null);
$arrFiles = [];
$wNbrBlacklisted = 0;
$wNbrEdited = 0;
$wNbrSkipped = 0;
$wNbrWhitelisted = 0;
if ((null == $arrFiles) || (0 == count($arrFiles))) {
// The "arrFiles" session variable is either not found or equal to NULL ==>
// Get the list of files in the current folder and subfolders by scanning
// files and folders on the disk
$dir = new RecursiveDirectoryIterator($this->_directory, RecursiveDirectoryIterator::SKIP_DOTS);
$files = new RecursiveIteratorIterator($dir, RecursiveIteratorIterator::LEAVES_ONLY);
// Release a few memory
unset($dir);
$arrFiles = [];
$arrFilesBlacklisted = [];
$arrFilesEditlisted = [];
// Collect all files but ignore this script
$IgnoreArchives = $this->aeSession->get('IgnoreArchives', true);
$IgnoreDocuments = $this->aeSession->get('IgnoreDocuments', true);
$IgnoreFonts = $this->aeSession->get('IgnoreFonts', true);
$IgnoreImages = $this->aeSession->get('IgnoreImages', true);
$IgnoreMedia = $this->aeSession->get('IgnoreMedia', true);
$IgnoreSoundMovies = $this->aeSession->get('IgnoreSoundMovies', true);
$IgnoreText = $this->aeSession->get('IgnoreText', true);
// Prepare the arrays with extensions, by category
$arrArchive = explode(',', str_replace(' ', '', ExtArchives));
$arrDocuments = explode(',', str_replace(' ', '', ExtDocuments));
$arrFonts = explode(',', str_replace(' ', '', ExtFonts));
$arrImages = explode(',', str_replace(' ', '', ExtImages));
$arrMedias = explode(',', str_replace(' ', '', ExtMedia));
$arrSoundMovies = explode(',', str_replace(' ', '', ExtSoundMovies));
$arrText = explode(',', str_replace(' ', '', ExtText));
// Initialize arrays with hashes
self::initializeHashes();
// Don't scan aeSecure QuickScan files
// Need to use "DIR . DS" so filenames will be absolute which is needed
$arrSkipFiles = glob(DIR . DS . 'aesecure_quickscan_*.json');
// And don't scan this script also
$arrSkipFiles[] = DIR . DS . FILE;
foreach ($files as $filename => $object) {
// Don't process these files
if (in_array($filename, $arrSkipFiles)) {
continue;
}
try {
// Only files and only when size is greater than zero
// (A virus can't be an empty file)
if (is_file($filename) && (filesize($filename) !== 0)) {
$md5 = md5_file($filename);
if (isset($this->_arrBlackListHashes[$md5])) {
// Already known as bad?
$arrFiles[] = $filename;
$arrFilesBlacklisted[] = str_replace(DIR.'/', '', $filename);
++$wNbrBlacklisted;
} elseif (isset($this->_arrEditedHashes[$md5])) {
// Already known as having a virus in it?
$arrFiles[] = $filename;
$arrFilesEditlisted[] = str_replace(DIR.'/', '', $filename);
++$wNbrEdited;
} elseif (isset($this->_arrCMSHashes[$md5]) || isset($this->_arrWhiteListHashes[$md5]) || isset($this->_arrOtherHashes[$md5])) {
// if the hash of file is listed in the CMS core file,
// white list or other hashes, don't process it, the file is safe
++$wNbrWhitelisted;
} else {
// Get file's extension
$ext = $object->getExtension();
$bAdd = true;
if (($IgnoreArchives) && (in_array($ext, $arrArchive))) {
$bAdd = false;
}
if (($IgnoreDocuments) && (in_array($ext, $arrDocuments))) {
$bAdd = false;
}
if (($IgnoreFonts) && (in_array($ext, $arrFonts))) {
$bAdd = false;
}
if (($IgnoreImages) && (in_array($ext, $arrImages))) {
$bAdd = false;
}
if (($IgnoreMedia) && (in_array($ext, $arrMedias))) {
$bAdd = false;
}
if (($IgnoreSoundMovies) && (in_array($ext, $arrSoundMovies))) {
$bAdd = false;
}
if (($IgnoreText) && (in_array($ext, $arrText))) {
$bAdd = false;
}
if (true === $bAdd) {
$arrFiles[] = $filename;
} else {
++$wNbrSkipped;
}
}
}
} catch (Exception $ex) {
if (true === $this->aeSession->get('Debug', DEBUG)) {
echo '
' . print_r($ex, true) . '
';
}
}
}
unset($arrSkipFiles);
// Put the array in a session variable and remember the processed folder
$this->aeSession->set('Folder', $this->_directory);
$this->aeSession->set('arrFiles', json_encode($arrFiles, JSON_THROW_ON_ERROR));
} else {
// The user is running the script once more for the same folder
// ==> don't scan the disk again, just user the session variable to speed up the process
$arrFiles = json_decode((string) $arrFiles, null, 512, JSON_THROW_ON_ERROR);
}
if (null == $arrFiles) {
$arrFiles = json_decode((string) $this->aeSession->get('arrFiles', null), null, 512, JSON_THROW_ON_ERROR);
}
unset($this->arrOtherHashes, $this->arrWhiteListHashes, $this->arrBlackListHashes, $this->arrCMSHashes);
if (true == $echo) {
try {
header('Content-Type: application/json');
header('Cache-Control: no-cache');
} catch (\Exception $exception) {
}
sort($arrFilesBlacklisted);
echo sprintf(
'{"count":%d,"whitelisted":%d,"blacklisted":%d,"blacklisting":%s,"edited":%d,"editlisting":%s,"skipped":%d}',
count($arrFiles),
$wNbrWhitelisted ?? 0,
$wNbrBlacklisted ?? 0,
json_encode($arrFilesBlacklisted),
$wNbrEdited ?? 0,
json_encode($arrFilesEditlisted),
$wNbrSkipped ?? 0
);
// Prevent a warning; flush only if there is something to flush
try {
while (ob_get_level() > 0) {
ob_end_flush();
}
flush();
} catch (\Exception $e) {
}
die();
} else {
return true;
}
}
/**
* Start the scan.
*
* @global type $sLogFile
* @global type $sProgressFile
*/
private function doScan(): string|bool
{
$aeLanguage = aeSecureLanguage::getInstance();
try {
if (!get_cfg_var('safe_mode')) {
// set_time_limit isn't used when safe_mode is active
// No max execution time
@ini_set('max_execution_time', '0');
// Remove time limit; avoid 504 HTTP errors
@ini_set('set_time_limit', '0');
}
} catch (Exception $e) {
}
// Allocate the maximum allowed memory to the script (-1 = no limit)
@ini_set('memory_limit', (true !== $this->aeSession->get('Debug', DEBUG)) ? -1 : MEMORY_LIMIT);
$wFile = 0;
$wCount = 0;
$wFound = 0;
$wProcessedFile = 0;
$wSkipSize = 0;
$wSkipChmod = 0;
$wSkipHashes = 0;
$wUnreadable = 0;
if (!is_dir($this->_directory)) {
echo '
' .
sprintf(DIRNOTFOUND, $this->_directory) . '
';
return false;
}
$previousFolder = $this->aeSession->get('Folder', null);
// If the folder isn't the same, clear the arrFiles session variable
if ((null == $previousFolder) || ($previousFolder != $this->_directory)) {
$this->aeSession->set('arrFiles', null);
}
$arrFiles = $this->aeSession->get('arrFiles', null);
if (null == $arrFiles) {
$this->getCountFiles($echo = false, $arrFiles);
}
$arrFiles = json_decode((string) $this->aeSession->get('arrFiles', null), null, 512, JSON_THROW_ON_ERROR);
$wCount = count($arrFiles);
// $this->_end can be 0 => process all files
if ((0 == $this->_end) || ($this->_end > $wCount)) {
$this->_end = $wCount;
}
$bFound = false;
$output = '';
// Initialize arrays with hashes
self::initializeHashes();
// Start the scan, process all files
if (($wCount = count($arrFiles)) > 0) {
if (true === $this->aeSession->get('Debug', DEBUG)) {
// Reset the log file
$this->aeLog->kill();
$this->aeLog->addLog('#' . $wCount . " files to process\n");
}
$output = '';
$this->aeProgress->setStart(0);
$this->aeProgress->setEnd($this->_end - $this->_start);
for ($wFile = $this->_start; $wFile < $this->_end; $wFile++) {
$filename = $arrFiles[$wFile];
// Skip aesecure_quickscan to avoid a ton of false positive.
// aesecure_quickscan.php is supposed to be just download,
// installed on the website and thus supposed to be clean.
// Once aeSecure QuickScan has finished his job, the script
// is supposed to be deleted so, yes, to avoid a ton of false
// positive, don't scan this script.
if (FILE == (basename((string) $filename))) {
continue;
}
if (!file_exists($filename)) {
continue;
}
++$wProcessedFile;
// Consider the file safe
$bInfected = false;
$this->aeProgress->incTaskCount();
$output_line = '';
if (is_readable($filename)) {
// Empty file
if (0 == filesize($filename)) {
if (true === $this->aeSession->get('Debug', DEBUG)) {
$this->aeLog->addLog('Scanning #' . ($wFile + 1) . '. ' . $filename .
' SKIP; Filesize=0');
}
continue;
}
if (filesize($filename) <= MAX_SIZE) {
$md5 = md5_file($filename);
// Check if the file was never altered. If yes, great news,
// the processing of that file can be avoided => faster
// Be sure that the hash isn't in the blacklist; for security.
if (!isset($this->_arrBlackListHashes[$md5])) {
if (isset($this->_arrCMSHashes[$md5])) {
if (FULLDEBUG && !aeSecureFct::isAjaxRequest()) {
echo sprintf(
'%s is an original CMS file; not altered thus safe ',
$filename
);
}
++$wSkipHashes;
if (true === $this->aeSession->get('Debug', DEBUG)) {
$this->aeLog->addLog('Scanning #' . ($wFile + 1) . '. ' .
$filename . ' SKIP; Original CMS file');
}
continue;
}
// Check if the file is a white listed one or found in
// the Other hashes (also white listed)
if (isset($this->_arrWhiteListHashes[$md5]) || isset($this->_arrOtherHashes[$md5])) {
++$wSkipHashes;
if (FULLDEBUG && !aeSecureFct::isAjaxRequest()) {
echo sprintf(
'%s is whitelisted, healthy file ',
$filename
);
}
if (true === $this->aeSession->get('Debug', DEBUG)) {
$this->aeLog->addLog('Scanning #' . ($wFile + 1) . '. ' . $filename .
' SKIP; Hash whitelisted' .
(isset($this->_arrOtherHashes[$md5])
? ' in the other.json file'
: ''));
}
continue;
}
}
$OutputTemplate =
'
';
// Check if the file is a black listed one
if (isset($this->_arrBlackListHashes[$md5])) {
// The file being scanned is blacklisted
$bInfected = true;
$bFound = true;
$FOUND =
'' . $aeLanguage->get('DANGER') . ' ' . $aeLanguage->get('BLACKLISTED') .
'
';
}
}
// Something found? Greater than zero means; yes, the regex
// has been matched.
if (is_array($arrMatch) && (count($arrMatch) > 0)) {
if (count($arrMatch[0]) > 0) {
// Something has been found in that file.
$bInfected = true;
// The regex is always composed of three things
// 1. 2. 3.
// (.*)(VIRUS_CODE)(.*)
//
// (1) Something before followed by the virus code
// (2) followed by something
// (3) so the regex match f.i. the entire line
// and not only the keyword (2)
//
// When the regex is something of severall codes like
// 1. 2. 3.
// (.*)(AnonGhost|bash_history)(.*)
//
// the $arrMatch[2] position will return the number
// of matches so if these two words are found in the file
// $patternFound will be set to two and the code below
// will process these two matches
$patternFound = count($arrMatch[1]);
// Process every matches
for ($i = 0; $i < $patternFound; $i++) {
// Get the found keyword (f.i. AnonGhost then, in the
// second loop, bash_history in our example)
$keyword = (isset($arrMatch[1][$i][0])
? $keyword = $arrMatch[1][$i][0]
: '');
// Get the full line where the keyword was found
$code = $arrMatch[0][$i][0];
// And get the position in the file (start position of
// the keyword)
$position = $arrMatch[1][$i][1];
// When outputting the result, get the context i.e. a
// specific number of characters before the found pattern
// and the same number of characters after so QuickScan
// can display the portion of code where this suspicious
// pattern is found, making easier to read and determine
// the dangerosity of the code
$sContext = '';
try {
$wStart = ($position > CONTEXT_NBRCHARS ? $position - CONTEXT_NBRCHARS : 0);
$wEnd = ($position + strlen($keyword) + CONTEXT_NBRCHARS) - $wStart;
$sContext = substr($content, $wStart, $wEnd);
} catch (Exception $e) {
if (true === $this->aeSession->get('Debug', DEBUG)) {
echo '
';
}
if ('' != $output_line) {
// Add action buttons :
//
// 1. See the file (only if text file)
// 2. Kill the file (only if expert mode enabled)
//
$isTextType = aeSecureFiles::isTextFileContent($filename);
if ($isTextType) {
// The "See the source file" button is only displayed for files that are detected with text content and
// thus not for images or archive files f.i.
$buttonSee = '';
} else {
$buttonSee = '';
}
// Add to white list button
$buttonWhitelist = '';
if (true === $this->aeSession->get('Expert', EXPERT)) {
// Kill file button
$buttonDelete = '';
} else {
$buttonDelete = '';
}
// Add a dismissal div so the user can hide this result
$output .= '
';
} else {
// No hashes found for that version of the CMS
if (true === $aeSession->get('Expert', EXPERT)) {
$usingHashes = sprintf(
$usingHashes,
'red',
'down',
$aeLanguage->get('NOTUSINGHASHESSHORT')
);
}
$showInfo = '
Error. No translation file found. ' .
'Please download the aeSecure QuickScan archive again and take ' .
'the json file that match your preferred language ' .
'(for instance aesecure_quickscan_en-GB.json). ' .
'You can find this file in the archive and you need to save ' .
'it in the same folder of aesecure_quickscan.php, then refresh ' .
'this page.
get('ALERTINFO'),
aeSecureFct::human_filesize(MAX_SIZE, 0)
);
?>
ready()) {
echo '
getHTMLFooter(); ?>