779 lines
22 KiB
PHP
779 lines
22 KiB
PHP
|
<?php
|
||
|
|
|
||
|
|
/**
|
||
|
|
* PHPIDS
|
||
|
|
*
|
||
|
|
* Requirements: PHP5, SimpleXML
|
||
|
|
*
|
||
|
|
* Copyright (c) 2008 PHPIDS group (https://phpids.org)
|
||
|
|
*
|
||
|
|
* PHPIDS is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU Lesser General Public License as published by
|
||
|
|
* the Free Software Foundation, version 3 of the License, or
|
||
|
|
* (at your option) any later version.
|
||
|
|
*
|
||
|
|
* PHPIDS is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU Lesser General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU Lesser General Public License
|
||
|
|
* along with PHPIDS. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
*
|
||
|
|
* PHP version 5.1.6+
|
||
|
|
*
|
||
|
|
* @category Security
|
||
|
|
* @package PHPIDS
|
||
|
|
* @author Mario Heiderich <mario.heiderich@gmail.com>
|
||
|
|
* @author Christian Matthies <ch0012@gmail.com>
|
||
|
|
* @author Lars Strojny <lars@strojny.net>
|
||
|
|
* @license http://www.gnu.org/licenses/lgpl.html LGPL
|
||
|
|
* @link http://php-ids.org/
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Monitoring engine
|
||
|
|
*
|
||
|
|
* This class represents the core of the frameworks attack detection mechanism
|
||
|
|
* and provides functions to scan incoming data for malicious appearing script
|
||
|
|
* fragments.
|
||
|
|
*
|
||
|
|
* @category Security
|
||
|
|
* @package PHPIDS
|
||
|
|
* @author Christian Matthies <ch0012@gmail.com>
|
||
|
|
* @author Mario Heiderich <mario.heiderich@gmail.com>
|
||
|
|
* @author Lars Strojny <lars@strojny.net>
|
||
|
|
* @copyright 2007-2009 The PHPIDS Group
|
||
|
|
* @license http://www.gnu.org/licenses/lgpl.html LGPL
|
||
|
|
* @version Release: $Id:Monitor.php 949 2008-06-28 01:26:03Z christ1an $
|
||
|
|
* @link http://php-ids.org/
|
||
|
|
*/
|
||
|
|
class IDS_Monitor
|
||
|
|
{
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Tags to define what to search for
|
||
|
|
*
|
||
|
|
* Accepted values are xss, csrf, sqli, dt, id, lfi, rfe, spam, dos
|
||
|
|
*
|
||
|
|
* @var array
|
||
|
|
*/
|
||
|
|
private $tags = null;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Request array
|
||
|
|
*
|
||
|
|
* Array containing raw data to search in
|
||
|
|
*
|
||
|
|
* @var array
|
||
|
|
*/
|
||
|
|
private $request = null;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Container for filter rules
|
||
|
|
*
|
||
|
|
* Holds an instance of IDS_Filter_Storage
|
||
|
|
*
|
||
|
|
* @var object
|
||
|
|
*/
|
||
|
|
private $storage = null;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Results
|
||
|
|
*
|
||
|
|
* Holds an instance of IDS_Report which itself provides an API to
|
||
|
|
* access the detected results
|
||
|
|
*
|
||
|
|
* @var object
|
||
|
|
*/
|
||
|
|
private $report = null;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Scan keys switch
|
||
|
|
*
|
||
|
|
* Enabling this property will cause the monitor to scan both the key and
|
||
|
|
* the value of variables
|
||
|
|
*
|
||
|
|
* @var boolean
|
||
|
|
*/
|
||
|
|
public $scanKeys = false;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Exception container
|
||
|
|
*
|
||
|
|
* Using this array it is possible to define variables that must not be
|
||
|
|
* scanned. Per default, utmz google analytics parameters are permitted.
|
||
|
|
*
|
||
|
|
* @var array
|
||
|
|
*/
|
||
|
|
private $exceptions = array();
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Html container
|
||
|
|
*
|
||
|
|
* Using this array it is possible to define variables that legally
|
||
|
|
* contain html and have to be prepared before hitting the rules to
|
||
|
|
* avoid too many false alerts
|
||
|
|
*
|
||
|
|
* @var array
|
||
|
|
*/
|
||
|
|
private $html = array();
|
||
|
|
|
||
|
|
/**
|
||
|
|
* JSON container
|
||
|
|
*
|
||
|
|
* Using this array it is possible to define variables that contain
|
||
|
|
* JSON data - and should be treated as such
|
||
|
|
*
|
||
|
|
* @var array
|
||
|
|
*/
|
||
|
|
private $json = array();
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Holds HTMLPurifier object
|
||
|
|
*
|
||
|
|
* @var object
|
||
|
|
*/
|
||
|
|
private $htmlpurifier = NULL;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Path to HTMLPurifier source
|
||
|
|
*
|
||
|
|
* This path might be changed in case one wishes to make use of a
|
||
|
|
* different HTMLPurifier source file e.g. if already used in the
|
||
|
|
* application PHPIDS is protecting
|
||
|
|
*
|
||
|
|
* @var string
|
||
|
|
*/
|
||
|
|
private $pathToHTMLPurifier = '';
|
||
|
|
|
||
|
|
/**
|
||
|
|
* HTMLPurifier cache directory
|
||
|
|
*
|
||
|
|
* @var string
|
||
|
|
*/
|
||
|
|
private $HTMLPurifierCache = '';
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This property holds the tmp JSON string from the
|
||
|
|
* _jsonDecodeValues() callback
|
||
|
|
*
|
||
|
|
* @var string
|
||
|
|
*/
|
||
|
|
private $tmpJsonString = '';
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Constructor
|
||
|
|
*
|
||
|
|
* @param array $request array to scan
|
||
|
|
* @param object $init instance of IDS_Init
|
||
|
|
* @param array $tags list of tags to which filters should be applied
|
||
|
|
*
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public function __construct(array $request, IDS_Init $init, array $tags = null)
|
||
|
|
{
|
||
|
|
$version = isset($init->config['General']['min_php_version'])
|
||
|
|
? $init->config['General']['min_php_version'] : '5.1.6';
|
||
|
|
|
||
|
|
if (version_compare(PHP_VERSION, $version, '<')) {
|
||
|
|
throw new Exception(
|
||
|
|
'PHP version has to be equal or higher than ' . $version . ' or
|
||
|
|
PHP version couldn\'t be determined'
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
if (!empty($request)) {
|
||
|
|
$this->storage = new IDS_Filter_Storage($init);
|
||
|
|
$this->request = $request;
|
||
|
|
$this->tags = $tags;
|
||
|
|
|
||
|
|
$this->scanKeys = $init->config['General']['scan_keys'];
|
||
|
|
|
||
|
|
$this->exceptions = isset($init->config['General']['exceptions'])
|
||
|
|
? $init->config['General']['exceptions'] : false;
|
||
|
|
|
||
|
|
$this->html = isset($init->config['General']['html'])
|
||
|
|
? $init->config['General']['html'] : false;
|
||
|
|
|
||
|
|
$this->json = isset($init->config['General']['json'])
|
||
|
|
? $init->config['General']['json'] : false;
|
||
|
|
|
||
|
|
if(isset($init->config['General']['HTML_Purifier_Path'])
|
||
|
|
&& isset($init->config['General']['HTML_Purifier_Cache'])) {
|
||
|
|
|
||
|
|
$this->pathToHTMLPurifier =
|
||
|
|
$init->config['General']['HTML_Purifier_Path'];
|
||
|
|
|
||
|
|
$this->HTMLPurifierCache = $init->getBasePath()
|
||
|
|
. $init->config['General']['HTML_Purifier_Cache'];
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!is_writeable($init->getBasePath()
|
||
|
|
. $init->config['General']['tmp_path'])) {
|
||
|
|
throw new Exception(
|
||
|
|
'Please make sure the ' .
|
||
|
|
htmlspecialchars($init->getBasePath() .
|
||
|
|
$init->config['General']['tmp_path'], ENT_QUOTES, 'UTF-8') .
|
||
|
|
' folder is writable'
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
include_once 'IDS/Report.php';
|
||
|
|
$this->report = new IDS_Report;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Starts the scan mechanism
|
||
|
|
*
|
||
|
|
* @return object IDS_Report
|
||
|
|
*/
|
||
|
|
public function run()
|
||
|
|
{
|
||
|
|
|
||
|
|
if (!empty($this->request)) {
|
||
|
|
foreach ($this->request as $key => $value) {
|
||
|
|
$this->_iterate($key, $value);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->getReport();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Iterates through given data and delegates it to IDS_Monitor::_detect() in
|
||
|
|
* order to check for malicious appearing fragments
|
||
|
|
*
|
||
|
|
* @param mixed $key the former array key
|
||
|
|
* @param mixed $value the former array value
|
||
|
|
*
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
private function _iterate($key, $value)
|
||
|
|
{
|
||
|
|
|
||
|
|
if (!is_array($value)) {
|
||
|
|
if (is_string($value)) {
|
||
|
|
|
||
|
|
if ($filter = $this->_detect($key, $value)) {
|
||
|
|
include_once 'IDS/Event.php';
|
||
|
|
$this->report->addEvent(
|
||
|
|
new IDS_Event(
|
||
|
|
$key,
|
||
|
|
$value,
|
||
|
|
$filter
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
foreach ($value as $subKey => $subValue) {
|
||
|
|
$this->_iterate($key . '.' . $subKey, $subValue);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Checks whether given value matches any of the supplied filter patterns
|
||
|
|
*
|
||
|
|
* @param mixed $key the key of the value to scan
|
||
|
|
* @param mixed $value the value to scan
|
||
|
|
*
|
||
|
|
* @return bool|array false or array of filter(s) that matched the value
|
||
|
|
*/
|
||
|
|
private function _detect($key, $value)
|
||
|
|
{
|
||
|
|
|
||
|
|
// define the pre-filter
|
||
|
|
$prefilter = '/[^\w\s\/@!?\.]+|(?:\.\/)|(?:@@\w+)'
|
||
|
|
. '|(?:\+ADw)|(?:union\s+select)/i';
|
||
|
|
|
||
|
|
// to increase performance, only start detection if value
|
||
|
|
// isn't alphanumeric
|
||
|
|
if (!$this->scanKeys
|
||
|
|
&& (!$value || !preg_match($prefilter, $value))) {
|
||
|
|
return false;
|
||
|
|
} elseif($this->scanKeys) {
|
||
|
|
if((!$key || !preg_match($prefilter, $key))
|
||
|
|
&& (!$value || !preg_match($prefilter, $value))) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// check if this field is part of the exceptions
|
||
|
|
if (is_array($this->exceptions)) {
|
||
|
|
foreach($this->exceptions as $exception) {
|
||
|
|
$matches = array();
|
||
|
|
if(preg_match('/(\/.*\/[^eE]*)$/', $exception, $matches)) {
|
||
|
|
if(isset($matches[1]) && preg_match($matches[1], $key)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if($exception === $key) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// check for magic quotes and remove them if necessary
|
||
|
|
if (function_exists('get_magic_quotes_gpc')
|
||
|
|
&& get_magic_quotes_gpc()) {
|
||
|
|
$value = stripslashes($value);
|
||
|
|
}
|
||
|
|
if(function_exists('get_magic_quotes_gpc')
|
||
|
|
&& !get_magic_quotes_gpc()
|
||
|
|
&& version_compare(PHP_VERSION, '5.3.0', '>=')) {
|
||
|
|
$value = preg_replace('/\\\(["\'\/])/im', '$1', $value);
|
||
|
|
}
|
||
|
|
|
||
|
|
// if html monitoring is enabled for this field - then do it!
|
||
|
|
if (is_array($this->html) && in_array($key, $this->html, true)) {
|
||
|
|
list($key, $value) = $this->_purifyValues($key, $value);
|
||
|
|
}
|
||
|
|
|
||
|
|
// check if json monitoring is enabled for this field
|
||
|
|
if (is_array($this->json) && in_array($key, $this->json, true)) {
|
||
|
|
list($key, $value) = $this->_jsonDecodeValues($key, $value);
|
||
|
|
}
|
||
|
|
|
||
|
|
// use the converter
|
||
|
|
include_once 'IDS/Converter.php';
|
||
|
|
$value = IDS_Converter::runAll($value);
|
||
|
|
$value = IDS_Converter::runCentrifuge($value, $this);
|
||
|
|
|
||
|
|
// scan keys if activated via config
|
||
|
|
$key = $this->scanKeys ? IDS_Converter::runAll($key)
|
||
|
|
: $key;
|
||
|
|
$key = $this->scanKeys ? IDS_Converter::runCentrifuge($key, $this)
|
||
|
|
: $key;
|
||
|
|
|
||
|
|
$filters = array();
|
||
|
|
$filterSet = $this->storage->getFilterSet();
|
||
|
|
foreach ($filterSet as $filter) {
|
||
|
|
|
||
|
|
/*
|
||
|
|
* in case we have a tag array specified the IDS will only
|
||
|
|
* use those filters that are meant to detect any of the
|
||
|
|
* defined tags
|
||
|
|
*/
|
||
|
|
if (is_array($this->tags)) {
|
||
|
|
if (array_intersect($this->tags, $filter->getTags())) {
|
||
|
|
if ($this->_match($key, $value, $filter)) {
|
||
|
|
$filters[] = $filter;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if ($this->_match($key, $value, $filter)) {
|
||
|
|
$filters[] = $filter;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return empty($filters) ? false : $filters;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Purifies given key and value variables using HTMLPurifier
|
||
|
|
*
|
||
|
|
* This function is needed whenever there is variables for which HTML
|
||
|
|
* might be allowed like e.g. WYSIWYG post bodies. It will dectect malicious
|
||
|
|
* code fragments and leaves harmless parts untouched.
|
||
|
|
*
|
||
|
|
* @param mixed $key
|
||
|
|
* @param mixed $value
|
||
|
|
* @since 0.5
|
||
|
|
* @throws Exception
|
||
|
|
*
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
private function _purifyValues($key, $value)
|
||
|
|
{
|
||
|
|
/*
|
||
|
|
* Perform a pre-check if string is valid for purification
|
||
|
|
*/
|
||
|
|
if(!$this->_purifierPreCheck($key, $value)) {
|
||
|
|
return array($key, $value);
|
||
|
|
}
|
||
|
|
|
||
|
|
include_once $this->pathToHTMLPurifier;
|
||
|
|
|
||
|
|
if (!is_writeable($this->HTMLPurifierCache)) {
|
||
|
|
throw new Exception(
|
||
|
|
$this->HTMLPurifierCache . ' must be writeable');
|
||
|
|
}
|
||
|
|
|
||
|
|
if (class_exists('HTMLPurifier')) {
|
||
|
|
$config = HTMLPurifier_Config::createDefault();
|
||
|
|
$config->set('Attr.EnableID', true);
|
||
|
|
$config->set('Cache.SerializerPath', $this->HTMLPurifierCache);
|
||
|
|
$config->set('Output.Newline', "\n");
|
||
|
|
$this->htmlpurifier = new HTMLPurifier($config);
|
||
|
|
} else {
|
||
|
|
throw new Exception(
|
||
|
|
'HTMLPurifier class could not be found - ' .
|
||
|
|
'make sure the purifier files are valid and' .
|
||
|
|
' the path is correct'
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
$value = preg_replace('/[\x0b-\x0c]/', ' ', $value);
|
||
|
|
$key = preg_replace('/[\x0b-\x0c]/', ' ', $key);
|
||
|
|
|
||
|
|
$purified_value = $this->htmlpurifier->purify($value);
|
||
|
|
$purified_key = $this->htmlpurifier->purify($key);
|
||
|
|
|
||
|
|
$redux_value = strip_tags($value);
|
||
|
|
$redux_key = strip_tags($key);
|
||
|
|
|
||
|
|
if ($value != $purified_value || $redux_value) {
|
||
|
|
$value = $this->_diff($value, $purified_value, $redux_value);
|
||
|
|
} else {
|
||
|
|
$value = NULL;
|
||
|
|
}
|
||
|
|
if ($key != $purified_key) {
|
||
|
|
$key = $this->_diff($key, $purified_key, $redux_key);
|
||
|
|
} else {
|
||
|
|
$key = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
return array($key, $value);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method makes sure no dangerous markup can be smuggled in
|
||
|
|
* attributes when HTML mode is switched on.
|
||
|
|
*
|
||
|
|
* If the precheck considers the string too dangerous for
|
||
|
|
* purification false is being returned.
|
||
|
|
*
|
||
|
|
* @param mixed $key
|
||
|
|
* @param mixed $value
|
||
|
|
* @since 0.6
|
||
|
|
*
|
||
|
|
* @return boolean
|
||
|
|
*/
|
||
|
|
private function _purifierPreCheck($key = '', $value = '')
|
||
|
|
{
|
||
|
|
/*
|
||
|
|
* Remove control chars before pre-check
|
||
|
|
*/
|
||
|
|
$tmp_value = preg_replace('/\p{C}/', null, $value);
|
||
|
|
$tmp_key = preg_replace('/\p{C}/', null, $key);
|
||
|
|
|
||
|
|
$precheck = '/<(script|iframe|applet|object)\W/i';
|
||
|
|
if(preg_match($precheck, $tmp_key)
|
||
|
|
|| preg_match($precheck, $tmp_value)) {
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method calculates the difference between the original
|
||
|
|
* and the purified markup strings.
|
||
|
|
*
|
||
|
|
* @param string $original the original markup
|
||
|
|
* @param string $purified the purified markup
|
||
|
|
* @param string $redux the string without html
|
||
|
|
* @since 0.5
|
||
|
|
*
|
||
|
|
* @return string the difference between the strings
|
||
|
|
*/
|
||
|
|
private function _diff($original, $purified, $redux)
|
||
|
|
{
|
||
|
|
/*
|
||
|
|
* deal with over-sensitive alt-attribute addition of the purifier
|
||
|
|
* and other common html formatting problems
|
||
|
|
*/
|
||
|
|
$purified = preg_replace('/\s+alt="[^"]*"/m', null, $purified);
|
||
|
|
$purified = preg_replace('/=?\s*"\s*"/m', null, $purified);
|
||
|
|
$original = preg_replace('/\s+alt="[^"]*"/m', null, $original);
|
||
|
|
$original = preg_replace('/=?\s*"\s*"/m', null, $original);
|
||
|
|
$original = preg_replace('/style\s*=\s*([^"])/m', 'style = "$1', $original);
|
||
|
|
|
||
|
|
# deal with oversensitive CSS normalization
|
||
|
|
$original = preg_replace('/(?:([\w\-]+:)+\s*([^;]+;\s*))/m', '$1$2', $original);
|
||
|
|
|
||
|
|
# strip whitespace between tags
|
||
|
|
$original = trim(preg_replace('/>\s*</m', '><', $original));
|
||
|
|
$purified = trim(preg_replace('/>\s*</m', '><', $purified));
|
||
|
|
|
||
|
|
$original = preg_replace(
|
||
|
|
'/(=\s*(["\'`])[^>"\'`]*>[^>"\'`]*["\'`])/m', 'alt$1', $original
|
||
|
|
);
|
||
|
|
|
||
|
|
// no purified html is left
|
||
|
|
if (!$purified) {
|
||
|
|
return $original;
|
||
|
|
}
|
||
|
|
|
||
|
|
// calculate the diff length
|
||
|
|
$length = mb_strlen($original) - mb_strlen($purified);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Calculate the difference between the original html input
|
||
|
|
* and the purified string.
|
||
|
|
*/
|
||
|
|
$array_1 = preg_split('/(?<!^)(?!$)/u', html_entity_decode(urldecode($original)));
|
||
|
|
$array_2 = preg_split('/(?<!^)(?!$)/u', $purified);
|
||
|
|
|
||
|
|
// create an array containing the single character differences
|
||
|
|
$differences = array();
|
||
|
|
foreach ($array_1 as $key => $value) {
|
||
|
|
if (!isset($array_2[$key]) || $value !== $array_2[$key]) {
|
||
|
|
$differences[] = $value;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// return the diff - ready to hit the converter and the rules
|
||
|
|
if(intval($length) <= 10) {
|
||
|
|
$diff = trim(join('', $differences));
|
||
|
|
} else {
|
||
|
|
$diff = mb_substr(trim(join('', $differences)), 0, strlen($original));
|
||
|
|
}
|
||
|
|
|
||
|
|
// clean up spaces between tag delimiters
|
||
|
|
$diff = preg_replace('/>\s*</m', '><', $diff);
|
||
|
|
|
||
|
|
// correct over-sensitively stripped bad html elements
|
||
|
|
$diff = preg_replace('/[^<](iframe|script|embed|object' .
|
||
|
|
'|applet|base|img|style)/m', '<$1', $diff);
|
||
|
|
|
||
|
|
if (mb_strlen($diff) < 4) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $diff . $redux;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method prepares incoming JSON data for the PHPIDS detection
|
||
|
|
* process. It utilizes _jsonConcatContents() as callback and returns a
|
||
|
|
* string version of the JSON data structures.
|
||
|
|
*
|
||
|
|
* @param mixed $key
|
||
|
|
* @param mixed $value
|
||
|
|
* @since 0.5.3
|
||
|
|
*
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
private function _jsonDecodeValues($key, $value) {
|
||
|
|
|
||
|
|
$tmp_key = json_decode($key);
|
||
|
|
$tmp_value = json_decode($value);
|
||
|
|
|
||
|
|
if($tmp_value && is_array($tmp_value) || is_object($tmp_value)) {
|
||
|
|
array_walk_recursive($tmp_value, array($this, '_jsonConcatContents'));
|
||
|
|
$value = $this->tmpJsonString;
|
||
|
|
} else {
|
||
|
|
$this->tmpJsonString .= " " . $tmp_value . "\n";
|
||
|
|
}
|
||
|
|
|
||
|
|
if($tmp_key && is_array($tmp_key) || is_object($tmp_key)) {
|
||
|
|
array_walk_recursive($tmp_key, array($this, '_jsonConcatContents'));
|
||
|
|
$key = $this->tmpJsonString;
|
||
|
|
} else {
|
||
|
|
$this->tmpJsonString .= " " . $tmp_key . "\n";
|
||
|
|
}
|
||
|
|
|
||
|
|
return array($key, $value);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This is the callback used in _jsonDecodeValues(). The method
|
||
|
|
* concatenates key and value and stores them in $this->tmpJsonString.
|
||
|
|
*
|
||
|
|
* @param mixed $key
|
||
|
|
* @param mixed $value
|
||
|
|
* @since 0.5.3
|
||
|
|
*
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
private function _jsonConcatContents($key, $value) {
|
||
|
|
|
||
|
|
if(is_string($key) && is_string($value)) {
|
||
|
|
$this->tmpJsonString .= $key . " " . $value . "\n";
|
||
|
|
} else {
|
||
|
|
$this->_jsonDecodeValues(
|
||
|
|
json_encode($key), json_encode($value)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Matches given value and/or key against given filter
|
||
|
|
*
|
||
|
|
* @param mixed $key the key to optionally scan
|
||
|
|
* @param mixed $value the value to scan
|
||
|
|
* @param object $filter the filter object
|
||
|
|
*
|
||
|
|
* @return boolean
|
||
|
|
*/
|
||
|
|
private function _match($key, $value, $filter)
|
||
|
|
{
|
||
|
|
if ($this->scanKeys) {
|
||
|
|
if ($filter->match($key)) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($filter->match($value)) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sets exception array
|
||
|
|
*
|
||
|
|
* @param mixed $exceptions the thrown exceptions
|
||
|
|
*
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public function setExceptions($exceptions)
|
||
|
|
{
|
||
|
|
if (!is_array($exceptions)) {
|
||
|
|
$exceptions = array($exceptions);
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->exceptions = $exceptions;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns exception array
|
||
|
|
*
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function getExceptions()
|
||
|
|
{
|
||
|
|
return $this->exceptions;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sets html array
|
||
|
|
*
|
||
|
|
* @param mixed $html the fields containing html
|
||
|
|
* @since 0.5
|
||
|
|
*
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public function setHtml($html)
|
||
|
|
{
|
||
|
|
if (!is_array($html)) {
|
||
|
|
$html = array($html);
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->html = $html;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Adds a value to the html array
|
||
|
|
*
|
||
|
|
* @since 0.5
|
||
|
|
*
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public function addHtml($value)
|
||
|
|
{
|
||
|
|
$this->html[] = $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns html array
|
||
|
|
*
|
||
|
|
* @since 0.5
|
||
|
|
*
|
||
|
|
* @return array the fields that contain allowed html
|
||
|
|
*/
|
||
|
|
public function getHtml()
|
||
|
|
{
|
||
|
|
return $this->html;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sets json array
|
||
|
|
*
|
||
|
|
* @param mixed $json the fields containing json
|
||
|
|
* @since 0.5.3
|
||
|
|
*
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public function setJson($json)
|
||
|
|
{
|
||
|
|
if (!is_array($json)) {
|
||
|
|
$json = array($json);
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->json = $json;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Adds a value to the json array
|
||
|
|
*
|
||
|
|
* @param string the value containing JSON data
|
||
|
|
* @since 0.5.3
|
||
|
|
*
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public function addJson($value)
|
||
|
|
{
|
||
|
|
$this->json[] = $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns json array
|
||
|
|
*
|
||
|
|
* @since 0.5.3
|
||
|
|
*
|
||
|
|
* @return array the fields that contain json
|
||
|
|
*/
|
||
|
|
public function getJson()
|
||
|
|
{
|
||
|
|
return $this->json;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns storage container
|
||
|
|
*
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function getStorage()
|
||
|
|
{
|
||
|
|
return $this->storage;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns report object providing various functions to work with
|
||
|
|
* detected results. Also the centrifuge data is being set as property
|
||
|
|
* of the report object.
|
||
|
|
*
|
||
|
|
* @return object IDS_Report
|
||
|
|
*/
|
||
|
|
public function getReport()
|
||
|
|
{
|
||
|
|
if (isset($this->centrifuge) && $this->centrifuge) {
|
||
|
|
$this->report->setCentrifuge($this->centrifuge);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->report;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Local variables:
|
||
|
|
* tab-width: 4
|
||
|
|
* c-basic-offset: 4
|
||
|
|
* End:
|
||
|
|
* vim600: sw=4 ts=4 expandtab
|
||
|
|
*/
|