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<?php
/**
* Copyright (C) 2015 freakedout (www.freakedout.de)
* This program 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.
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
**/
// no direct access
defined('_JEXEC') or die('Restricted access');
/**
* EmailAddressValidator Class
* http://code.google.com/p/php-email-address-validation/
* Released under New BSD license
* http://www.opensource.org/licenses/bsd-license.php
**/
class EmailAddressValidator {
/**
* Check email address validity
* @param strEmailAddress Email address to be checked
* @return True if email is valid, false if not
*/
public function check_email_address($strEmailAddress) {
// If magic quotes is "on", email addresses with quote marks will
// fail validation because of added escape characters. Uncommenting
// the next three lines will allow for this issue.
if (get_magic_quotes_gpc()) {
$strEmailAddress = stripslashes($strEmailAddress);
}
// Control characters are not allowed
if (preg_match('/[\x00-\x1F\x7F-\xFF]/', $strEmailAddress)) {
return false;
}
// Check email length - min 3 (a@a), max 256
if (!$this->check_text_length($strEmailAddress, 3, 256)) {
return false;
}
// Split it into sections using last instance of "@"
$intAtSymbol = strrpos($strEmailAddress, '@');
if ($intAtSymbol === false) {
// No "@" symbol in email.
return false;
}
$arrEmailAddress[0] = substr($strEmailAddress, 0, $intAtSymbol);
$arrEmailAddress[1] = substr($strEmailAddress, $intAtSymbol + 1);
// Count the "@" symbols. Only one is allowed, except where
// contained in quote marks in the local part. Quickest way to
// check this is to remove anything in quotes. We also remove
// characters escaped with backslash, and the backslash
// character.
$arrTempAddress[0] = preg_replace('/\./'
,''
,$arrEmailAddress[0]);
$arrTempAddress[0] = preg_replace('/"[^"]+"/'
,''
,$arrTempAddress[0]);
$arrTempAddress[1] = $arrEmailAddress[1];
$strTempAddress = $arrTempAddress[0] . $arrTempAddress[1];
// Then check - should be no "@" symbols.
if (strrpos($strTempAddress, '@') !== false) {
// "@" symbol found
return false;
}
// Check local portion
if (!$this->check_local_portion($arrEmailAddress[0])) {
return false;
}
// Check domain portion
if (!$this->check_domain_portion($arrEmailAddress[1])) {
return false;
}
// If we're still here, all checks above passed. Email is valid.
return true;
}
/**
* Checks email section before "@" symbol for validity
* @param strLocalPortion Text to be checked
* @return True if local portion is valid, false if not
*/
protected function check_local_portion($strLocalPortion) {
// Local portion can only be from 1 to 64 characters, inclusive.
// Please note that servers are encouraged to accept longer local
// parts than 64 characters.
if (!$this->check_text_length($strLocalPortion, 1, 64)) {
return false;
}
// Local portion must be:
// 1) a dot-atom (strings separated by periods)
// 2) a quoted string
// 3) an obsolete format string (combination of the above)
$arrLocalPortion = explode('.', $strLocalPortion);
for ($i = 0, $max = sizeof($arrLocalPortion); $i < $max; $i++) {
if (!preg_match('.^('
. '([A-Za-z0-9!#$%&\'*+/=?^_`{|}~-]'
. '[A-Za-z0-9!#$%&\'*+/=?^_`{|}~-]{0,63})'
.'|'
. '("[^\\\"]{0,62}")'
.')$.'
,$arrLocalPortion[$i])) {
return false;
}
}
return true;
}
/**
* Checks email section after "@" symbol for validity
* @param strDomainPortion Text to be checked
* @return True if domain portion is valid, false if not
*/
protected function check_domain_portion($strDomainPortion) {
// Total domain can only be from 1 to 255 characters, inclusive
if (!$this->check_text_length($strDomainPortion, 1, 255)) {
return false;
}
// Check if domain is IP, possibly enclosed in square brackets.
if (preg_match('/^(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])'
.'(\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])){3}$/'
,$strDomainPortion) ||
preg_match('/^\[(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])'
.'(\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])){3}\]$/'
,$strDomainPortion)) {
return true;
} else {
$arrDomainPortion = explode('.', $strDomainPortion);
if (sizeof($arrDomainPortion) < 2) {
return false; // Not enough parts to domain
}
for ($i = 0, $max = sizeof($arrDomainPortion); $i < $max; $i++) {
// Each portion must be between 1 and 63 characters, inclusive
if (!$this->check_text_length($arrDomainPortion[$i], 1, 63)) {
return false;
}
if (!preg_match('/^(([A-Za-z0-9][A-Za-z0-9-]{0,61}[A-Za-z0-9])|'
.'([A-Za-z0-9]+))$/', $arrDomainPortion[$i])) {
return false;
}
if ($i == $max - 1) { // TLD cannot be only numbers
if (strlen(preg_replace('/[0-9]/', '', $arrDomainPortion[$i])) <= 0) {
return false;
}
}
}
}
return true;
}
/**
* Check given text length is between defined bounds
* @param strText Text to be checked
* @param intMinimum Minimum acceptable length
* @param intMaximum Maximum acceptable length
* @return True if string is within bounds (inclusive), false if not
*/
protected function check_text_length($strText, $intMinimum, $intMaximum) {
// Minimum and maximum are both inclusive
$intTextLength = strlen($strText);
if (($intTextLength < $intMinimum) || ($intTextLength > $intMaximum)) {
return false;
} else {
return true;
}
}
}
/**
* xml2array() will convert the given XML text to an array in the XML structure.
* Link: http://www.bin-co.com/php/scripts/xml2array/
* Arguments : $contents - The XML text
* $get_attributes - 1 or 0. If this is 1 the function will get the attributes as well as the tag values - this results in a different array structure in the return value.
* $priority - Can be 'tag' or 'attribute'. This will change the way the resulting array sturcture. For 'tag', the tags are given more importance.
* Return: The parsed XML in an array form. Use print_r() to see the resulting array structure.
* Examples: $array = xml2array(file_get_contents('feed.xml'));
* $array = xml2array(file_get_contents('feed.xml', 1, 'attribute'));
*/
class xml2array{
function parse($contents, $get_attributes=1, $priority = 'tag') {
if (!isset($contents) || !$contents) return array();
if (!function_exists('xml_parser_create')) {
//print "'xml_parser_create()' function not found!";
return array();
}
//Get the XML parser of PHP - PHP must have this module for the parser to work
$parser = xml_parser_create('');
xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, "UTF-8"); # http://minutillo.com/steve/weblog/2004/6/17/php-xml-and-character-encodings-a-tale-of-sadness-rage-and-data-loss
xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1);
xml_parse_into_struct($parser, trim($contents), $xml_values);
xml_parser_free($parser);
if (!$xml_values) return;//Hmm...
//Initializations
$xml_array = array();
$parents = array();
$opened_tags = array();
$arr = array();
$current = &$xml_array; //Refference
//Go through the tags.
$repeated_tag_index = array();//Multiple tags with same name will be turned into an array
foreach($xml_values as $data) {
unset($attributes,$value);//Remove existing values, or there will be trouble
//This command will extract these variables into the foreach scope
// tag(string), type(string), level(int), attributes(array).
extract($data);//We could use the array by itself, but this cooler.
$result = array();
$attributes_data = array();
if (isset($value)) {
if ($priority == 'tag') $result = $value;
else $result['value'] = $value; //Put the value in a assoc array if we are in the 'Attribute' mode
}
//Set the attributes too.
if (isset($attributes) and $get_attributes) {
foreach($attributes as $attr => $val) {
if ($priority == 'tag') $attributes_data[$attr] = $val;
else $result['attr'][$attr] = $val; //Set all the attributes in a array called 'attr'
}
}
//See tag status and do the needed.
if ($type == "open") {//The starting of the tag '<tag>'
$parent[$level-1] = &$current;
if (!is_array($current) or (!in_array($tag, array_keys($current)))) { //Insert New tag
$current[$tag] = $result;
if ($attributes_data) $current[$tag. '_attr'] = $attributes_data;
$repeated_tag_index[$tag.'_'.$level] = 1;
$current = &$current[$tag];
} else { //There was another element with the same tag name
if (isset($current[$tag][0])) {//If there is a 0th element it is already an array
$current[$tag][$repeated_tag_index[$tag.'_'.$level]] = $result;
$repeated_tag_index[$tag.'_'.$level]++;
} else {//This section will make the value an array if multiple tags with the same name appear together
$current[$tag] = array($current[$tag],$result);//This will combine the existing item and the new item together to make an array
$repeated_tag_index[$tag.'_'.$level] = 2;
if (isset($current[$tag.'_attr'])) { //The attribute of the last(0th) tag must be moved as well
$current[$tag]['0_attr'] = $current[$tag.'_attr'];
unset($current[$tag.'_attr']);
}
}
$last_item_index = $repeated_tag_index[$tag.'_'.$level]-1;
$current = &$current[$tag][$last_item_index];
}
} elseif ($type == "complete") { //Tags that ends in 1 line '<tag />'
//See if the key is already taken.
if (!isset($current[$tag])) { //New Key
$current[$tag] = $result;
$repeated_tag_index[$tag.'_'.$level] = 1;
if ($priority == 'tag' and $attributes_data) $current[$tag. '_attr'] = $attributes_data;
} else { //If taken, put all things inside a list(array)
if (isset($current[$tag][0]) and is_array($current[$tag])) {//If it is already an array...
// ...push the new element into that array.
$current[$tag][$repeated_tag_index[$tag.'_'.$level]] = $result;
if ($priority == 'tag' and $get_attributes and $attributes_data) {
$current[$tag][$repeated_tag_index[$tag.'_'.$level] . '_attr'] = $attributes_data;
}
$repeated_tag_index[$tag.'_'.$level]++;
} else { //If it is not an array...
$current[$tag] = array($current[$tag],$result); //...Make it an array using using the existing value and the new value
$repeated_tag_index[$tag.'_'.$level] = 1;
if ($priority == 'tag' and $get_attributes) {
if (isset($current[$tag.'_attr'])) { //The attribute of the last(0th) tag must be moved as well
$current[$tag]['0_attr'] = $current[$tag.'_attr'];
unset($current[$tag.'_attr']);
}
if ($attributes_data) {
$current[$tag][$repeated_tag_index[$tag.'_'.$level] . '_attr'] = $attributes_data;
}
}
$repeated_tag_index[$tag.'_'.$level]++; //0 and 1 index is already taken
}
}
} elseif ($type == 'close') { //End of tag '</tag>'
$current = &$parent[$level-1];
}
}
return($xml_array);
}
}
final class SimpleXMLArrayHelper {
/**
* @uses SimpleXMLElement
* @see http://php.net/manual/en/class.simplexmlelement.php
* @author Shvakov Kirill shvakov@gmail.com
* @category utility
* @version 0.1 (11.03.2011)
*/
private
$rootNode = 'root',
$attributes = null,
$simpleXml = null;
/**
* @param string $rootNode
* @param array $attributes
* @return void
*/
public function __construct($rootNode = 'root', array $attributes = array()) {
$this->rootNode = $rootNode;
$this->attributes = $attributes;
}
/**
* @param array $arrayData
* @return object
*/
public function setArray(array $arrayData) {
$this->simpleXml = new SimpleXMLElement("<?xml version='1.0' encoding='utf-8'?>\n<" . $this->rootNode . ">\n</" . $this->rootNode . ">");
if (is_array($this->attributes) && count($this->attributes)) {
foreach ($this->attributes as $attribute => $attributeValue) {
$this->simpleXml->addAttribute($attribute, (string) $attributeValue);
}
}
$this->createXml($this->simpleXml, $arrayData);
return $this;
}
/**
* @param SimpleXMLElement $node
* @param array $arrayData
* @return void
*/
private function createXml(SimpleXMLElement $node, array $arrayData) {
foreach($arrayData as $nodeName => $data) {
$value = !empty($data['value']) ? $data['value'] : '';
$currentNode = $node->addChild($nodeName, $value);
if (!empty($data) && is_array($data)) {
foreach ($data as $attribute => $attributeValue) {
if (!empty($attributeValue) && is_array($attributeValue)) {
foreach ($attributeValue as $child) {
if (!is_array($child)) {
continue;
}
$this->createXml($currentNode, $child);
}
continue;
}
if (substr($attribute, 0, 1) != '@') {
continue;
}
$currentNode->addAttribute(substr($attribute, 1), $attributeValue);
}
}
}
}
/**
* @param string $xmlString
* @return object
*/
public function setXml($xmlString) {
if (file_exists($xmlString)) {
$xmlString = file_get_contents($xmlString);
}
$this->simpleXml = new SimpleXMLElement($xmlString);
return $this;
}
/**
* @param undefined
* @return string
*/
public function asXml() {
return $this->simpleXml->asXML();
}
/**
* @param undefined
* @return array
*/
public function asArray() {
return self :: toArray($this->simpleXml);
}
/**
* @param mixed array || SimpleXMLElement
* @return array
*/
private function toArray($objects) {
$array = array();
$objects = (array) $objects;
foreach ($objects as $key => $object) {
if ($object instanceof SimpleXMLElement || is_array($object)) {
$object = self :: toArray($object);
}
$array = array_merge($array, array($key => $object));
}
return $array;
}
/**
* @param undefined
* @return string
*/
public function __toString() {
return __CLASS__ . ' :: __toString()';
}
}
function removeSpecialCharacters($string) {
// Replace other special chars
$specialCharacters = array(
'!' => '',
'"' => '',
"'" => '',
"^" => '',
'#' => '',
'$' => '',
'%' => '',
'&' => '',
'*' => '',
'@' => '',
'.' => '',
'€' => '',
'£' => '',
'+' => '',
'=' => '',
'§' => '',
'(' => '',
')' => '',
'\\' => '',
"/" => ''
);
while (list($character, $replacement) = each($specialCharacters)) {
$string = str_replace($character, '-' . $replacement . '-', $string);
}
$string = strtr($string,
"ÀÂÃÄÅáâãäåÒÓÔÕÖØòóôõöøÈÉÊËèéêëÇçÌÎìíîïÙÚÛÜùúûüÿÑñ-",
"AAAAAaaaaaOOOOOOooooooEEEEeeeeCcIIiiiiUUUUuuuuyNn_"
);
// Remove all remaining other unknown characters
$string = preg_replace('/[^a-zA-Z0-9-]/', '', $string);
$string = preg_replace('/^[-]+/', '', $string);
$string = preg_replace('/[-]+$/', '', $string);
$string = preg_replace('/[-]{2,}/', '', $string);
return $string;
}
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