1 files changed, 304 insertions, 0 deletions
diff --git a/Library/Functions.php b/Library/Functions.php
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+++ b/Library/Functions.php
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+<?php
+
+// EasyGiant is a PHP framework for creating and managing dynamic content
+//
+// Copyright (C) 2009 - 2011  Antonio Gallo
+// See COPYRIGHT.txt and LICENSE.txt.
+//
+// This file is part of EasyGiant
+//
+// EasyGiant is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// EasyGiant 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with EasyGiant.  If not, see <http://www.gnu.org/licenses/>.
+
+if (!defined('EG')) die('Direct access not allowed!');
+
+
+/*
+	SANITIZE FUNCTIONS
+*/
+
+function none($string) {
+	return $string;
+}
+
+function forceInt($string) {
+	return (int)$string;
+}
+
+function forceNat($string)
+{
+	$string = (int)$string;
+	if ($string <= 0) return 1;
+	return $string;
+}
+
+function sanitizeDb($stringa) {
+
+	if (DATABASE_TYPE === 'Mysql')
+	{
+		$stringa = mysql_real_escape_string($stringa);
+		return $stringa;
+	}
+
+	if (DATABASE_TYPE === 'Mysqli')
+	{
+		$mysqli = Db_Mysqli::getInstance();
+		$db = $mysqli->getDb();
+		$stringa = $db->real_escape_string($stringa);
+		return $stringa;
+	}
+
+	return $stringa;
+}
+
+function sanitizeAll($stringa) {
+
+	$stringa=sanitizeHtml($stringa);
+	$stringa=sanitizeDb($stringa);
+	return $stringa;
+
+}
+
+function sanitizeHtml($stringa) {
+
+	$charset = Params::$htmlentititiesCharset;
+	$stringa=htmlentities($stringa,ENT_QUOTES,$charset);
+	return $stringa;
+
+}
+
+//check if only alphabetic + optional characters are present in the string $string. Set $string to $altString if other characters are found
+//$optChar: allowed characters divided by '|'  Ex: '+|-|;'
+function sanitizeCustom($string,$optChar,$altString = 'EasyGiant')
+{
+	
+	$optChar = html_entity_decode($optChar,ENT_QUOTES);
+	$optCharArray = explode('|',$optChar);
+	$temp = $string;
+	foreach($optCharArray as $char)
+	{
+		$temp = str_replace($char,null,$temp);
+	}
+	if (ctype_alnum($temp))
+	{
+		return $string;
+	}
+	else
+	{
+		return $altString;
+	}
+}
+
+
+
+
+/*
+SANITIZE DEEP
+*/
+
+function stripslashesDeep($value) {
+	return $value;
+}
+
+
+function sanitizeHtmlDeep($value) {
+	return array_map('sanitizeHtml', $value);
+}
+
+
+function sanitizeDbDeep($value) {
+	return array_map('sanitizeDb', $value);
+}
+
+
+function sanitizeCustomDeep($stringArray,$optChar,$altString = 'EasyGiant')
+{
+	$result = array();
+	foreach ($stringArray as $key => $value)
+	{
+		$result[$key] = sanitizeCustom($value,$optChar,$altString);
+	}
+	return $result;
+}
+
+
+function sanitizeAllDeep($value) {
+	return array_map('sanitizeAll', $value);
+}
+
+
+function forceIntDeep($value) {
+	return array_map('forceInt', $value);
+}
+
+function forceNatDeep($value) {
+	return array_map('forceNat', $value);
+}
+
+function noneDeep($value) {
+	return array_map('none', $value);
+}
+
+
+function md5Deep($value) 
+{
+	return array_map('md5', $value);
+}
+
+function sha1Deep($value)
+{
+	return array_map('sha1', $value);
+}
+
+
+
+
+
+
+
+function sanitizeAlnum($string)
+{
+	return ctype_alnum($string) ? sanitizeAll($string) : '';
+}
+
+
+function sanitizeIp($ip)
+{
+	return preg_match('/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/',$ip) ? sanitizeAll($ip) : '';
+}
+
+
+/*
+	CHECK FUNCTIONS
+*/
+
+//check if a string has the mail format (abc.efg@hij.klm.on)
+//modification of the rule found at http://www.sastgroup.com/tutorials/8-espressioni-regolari-per-validare-un-po-di-tutto
+//original rule: /^[^0-9][a-zA-Z0-9_]+([.][a-zA-Z0-9_]+)*[@][a-zA-Z0-9_]+([.][a-zA-Z0-9_]+)*[.][a-zA-Z]{2,4}$/
+function checkMail($string)
+{
+	if (preg_match('/^[a-zA-Z0-9_\-]+([.][a-zA-Z0-9_\-]+){0,2}[@][a-zA-Z0-9_\-]+([.][a-zA-Z0-9_\-]+){0,2}[.][a-zA-Z]{2,4}$/',$string))
+	{
+		return true;
+	}
+	else
+	{
+		return false;
+	}
+}
+
+
+
+function wrap($string,$tag_class) {#wrap the string with the tag and its class
+	#$tag_class has to be an associative array (tag1=>class1,$tag2=>class2,.. )!!
+	$str_front=null;
+	$str_rear=null;
+	if (is_array($tag_class)) {
+		foreach ($tag_class as $tag => $class) {
+				$tag = str_replace('+','',$tag);
+				if (!is_array($class))
+				{
+					$str_class=isset($class) ? " class=\"".$class."\"" : null;
+				}
+				else
+				{
+					$str_class = null;
+					foreach ($class as $attr => $val)
+					{
+						$str_class .= " ".$attr."='".$val."' ";
+					}
+				}
+				$str_front.="<".$tag.$str_class.">\n";
+				$str_rear.="</".$tag.">\n";
+		}
+	}
+	return $str_front.$string.$str_rear;
+}
+
+//generate a random password
+//$start: start number of mt_rand
+//$end: end number of mt_rand
+function randString($length,$start = 33, $end = 126)
+{
+	$random = '';
+	for ($i = 0; $i < $length; $i++)
+	{
+		$random .= chr(mt_rand($start, $end));
+	}
+	return $random;
+}
+
+//generate a random string
+//$charNumb:number of characters of the final string
+//$allowedChars: allowed characters
+function generateString($charNumb = 8,$allowedChars = '0123456789abcdefghijklmnopqrstuvwxyz')
+{
+	$str = null;
+	for ($i = 0; $i < $charNumb; $i++)
+	{
+		$str .= substr($allowedChars, mt_rand(0, strlen($allowedChars)-1), 1);
+	}
+	return $str;
+}
+
+
+function getIp()
+{
+    $ip = "";
+
+    if (isset($_SERVER))
+    {
+        if (!empty($_SERVER["HTTP_X_FORWARDED_FOR"]))
+        {
+            $ip = sanitizeIp($_SERVER["HTTP_X_FORWARDED_FOR"]);
+        } else if (!empty($_SERVER["HTTP_CLIENT_IP"])) {
+            $ip = sanitizeIp($_SERVER["HTTP_CLIENT_IP"]);
+        } else {
+            $ip = sanitizeIp($_SERVER["REMOTE_ADDR"]);
+        }
+    } else {
+        if ( getenv( 'HTTP_X_FORWARDED_FOR' ) !== false ) {
+            $ip = sanitizeIp(getenv( 'HTTP_X_FORWARDED_FOR' ));
+        } else if ( getenv( 'HTTP_CLIENT_IP' ) !== false ) {
+            $ip = sanitizeIp(getenv( 'HTTP_CLIENT_IP' ));
+        } else {
+            $ip = sanitizeIp(getenv( 'REMOTE_ADDR' ));
+        }
+    }
+    return $ip;
+}
+
+
+
+function getUserAgent() {
+	if (isset($_SERVER['HTTP_USER_AGENT']))
+	{
+		return md5($_SERVER['HTTP_USER_AGENT']);
+	} 
+	else
+	{
+		return md5('firefox');
+	}
+}
+
+
+function xml_encode($string)
+{
+	$trans = get_html_translation_table(HTML_ENTITIES, ENT_QUOTES);
+	foreach ($trans as $k=>$v)
+	{
+		$trans[$k]= "&#".ord($k).";";
+	}
+	
+	return strtr($string, $trans);
+}