/lib/pear/Text/Password.php
PHP | 536 lines | 276 code | 60 blank | 200 comment | 36 complexity | c2f80dfe6cfb56d8774374e373bdea04 MD5 | raw file
- <?php
- /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
- /**
- * Class to create passwords
- *
- * PHP versions 4 and 5
- *
- * LICENSE: This source file is subject to version 3.0 of the PHP license
- * that is available through the world-wide-web at the following URI:
- * http://www.php.net/license/3_0.txt. If you did not receive a copy of
- * the PHP License and are unable to obtain it through the web, please
- * send a note to license@php.net so we can mail you a copy immediately.
- *
- * @category Text
- * @package Text_Password
- * @author Martin Jansen <mj@php.net>
- * @author Olivier Vanhoucke <olivier@php.net>
- * @copyright 2004-2005 Martin Jansen, Olivier Vanhoucke
- * @license http://www.php.net/license/3_0.txt PHP License 3.0
- * @version CVS: $Id: Password.php 6 2006-12-15 17:27:27Z $
- * @link http://pear.php.net/package/Text_Password
- */
- /**
- * Number of possible characters in the password
- */
- $_Text_Password_NumberOfPossibleCharacters = 0;
- /**
- * Main class for the Text_Password package
- *
- * @category Text
- * @package Text_Password
- * @author Martin Jansen <mj@php.net>
- * @author Olivier Vanhoucke <olivier@php.net>
- * @copyright 2004-2005 Martin Jansen, Olivier Vanhoucke
- * @license http://www.php.net/license/3_0.txt PHP License 3.0
- * @version Release: @package_version@
- * @link http://pear.php.net/package/Text_Password
- */
- class Text_Password {
- /**
- * Create a single password.
- *
- * @access public
- * @param integer Length of the password.
- * @param string Type of password (pronounceable, unpronounceable)
- * @param string Character which could be use in the
- * unpronounceable password ex : 'A,B,C,D,E,F,G'
- * or numeric, alphabetical or alphanumeric.
- * @return string Returns the generated password.
- */
- function create($length = 10, $type = 'pronounceable', $chars = '')
- {
- switch ($type) {
- case 'unpronounceable' :
- return Text_Password::_createUnpronounceable($length, $chars);
- case 'pronounceable' :
- default :
- return Text_Password::_createPronounceable($length);
- }
- }
- /**
- * Create multiple, different passwords
- *
- * Method to create a list of different passwords which are
- * all different.
- *
- * @access public
- * @param integer Number of different password
- * @param integer Length of the password
- * @param string Type of password (pronounceable, unpronounceable)
- * @param string Character which could be use in the
- * unpronounceable password ex : 'A,B,C,D,E,F,G'
- * or numeric, alphabetical or alphanumeric.
- * @return array Array containing the passwords
- */
- function createMultiple($number, $length = 10, $type = 'pronounceable', $chars = '')
- {
- $passwords = array();
- while ($number > 0) {
- while (true) {
- $password = Text_Password::create($length, $type, $chars);
- if (!in_array($password, $passwords)) {
- $passwords[] = $password;
- break;
- }
- }
- $number--;
- }
- return $passwords;
- }
- /**
- * Create password from login
- *
- * Method to create password from login
- *
- * @access public
- * @param string Login
- * @param string Type
- * @param integer Key
- * @return string
- */
- function createFromLogin($login, $type, $key = 0)
- {
- switch ($type) {
- case 'reverse':
- return strrev($login);
- case 'shuffle':
- return Text_Password::_shuffle($login);
- case 'xor':
- return Text_Password::_xor($login, $key);
- case 'rot13':
- return str_rot13($login);
- case 'rotx':
- return Text_Password::_rotx($login, $key);
- case 'rotx++':
- return Text_Password::_rotxpp($login, $key);
- case 'rotx--':
- return Text_Password::_rotxmm($login, $key);
- case 'ascii_rotx':
- return Text_Password::_asciiRotx($login, $key);
- case 'ascii_rotx++':
- return Text_Password::_asciiRotxpp($login, $key);
- case 'ascii_rotx--':
- return Text_Password::_asciiRotxmm($login, $key);
- }
- }
- /**
- * Create multiple, different passwords from an array of login
- *
- * Method to create a list of different password from login
- *
- * @access public
- * @param array Login
- * @param string Type
- * @param integer Key
- * @return array Array containing the passwords
- */
- function createMultipleFromLogin($login, $type, $key = 0)
- {
- $passwords = array();
- $number = count($login);
- $save = $number;
- while ($number > 0) {
- while (true) {
- $password = Text_Password::createFromLogin($login[$save - $number], $type, $key);
- if (!in_array($password, $passwords)) {
- $passwords[] = $password;
- break;
- }
- }
- $number--;
- }
- return $passwords;
- }
- /**
- * Helper method to create password
- *
- * Method to create a password from a login
- *
- * @access private
- * @param string Login
- * @param integer Key
- * @return string
- */
- function _xor($login, $key)
- {
- $tmp = '';
- for ($i = 0; $i < strlen($login); $i++) {
- $next = ord($login{$i}) ^ $key;
- if ($next > 255) {
- $next -= 255;
- } elseif ($next < 0) {
- $next += 255;
- }
- $tmp .= chr($next);
- }
- return $tmp;
- }
- /**
- * Helper method to create password
- *
- * Method to create a password from a login
- * lowercase only
- *
- * @access private
- * @param string Login
- * @param integer Key
- * @return string
- */
- function _rotx($login, $key)
- {
- $tmp = '';
- $login = strtolower($login);
- for ($i = 0; $i < strlen($login); $i++) {
- if ((ord($login{$i}) >= 97) && (ord($login{$i}) <= 122)) { // 65, 90 for uppercase
- $next = ord($login{$i}) + $key;
- if ($next > 122) {
- $next -= 26;
- } elseif ($next < 97) {
- $next += 26;
- }
- $tmp .= chr($next);
- } else {
- $tmp .= $login{$i};
- }
- }
- return $tmp;
- }
- /**
- * Helper method to create password
- *
- * Method to create a password from a login
- * lowercase only
- *
- * @access private
- * @param string Login
- * @param integer Key
- * @return string
- */
- function _rotxpp($login, $key)
- {
- $tmp = '';
- $login = strtolower($login);
- for ($i = 0; $i < strlen($login); $i++, $key++) {
- if ((ord($login{$i}) >= 97) && (ord($login{$i}) <= 122)) { // 65, 90 for uppercase
- $next = ord($login{$i}) + $key;
- if ($next > 122) {
- $next -= 26;
- } elseif ($next < 97) {
- $next += 26;
- }
- $tmp .= chr($next);
- } else {
- $tmp .= $login{$i};
- }
- }
- return $tmp;
- }
- /**
- * Helper method to create password
- *
- * Method to create a password from a login
- * lowercase only
- *
- * @access private
- * @param string Login
- * @param integer Key
- * @return string
- */
- function _rotxmm($login, $key)
- {
- $tmp = '';
- $login = strtolower($login);
- for ($i = 0; $i < strlen($login); $i++, $key--) {
- if ((ord($login{$i}) >= 97) && (ord($login{$i}) <= 122)) { // 65, 90 for uppercase
- $next = ord($login{$i}) + $key;
- if ($next > 122) {
- $next -= 26;
- } elseif ($next < 97) {
- $next += 26;
- }
- $tmp .= chr($next);
- } else {
- $tmp .= $login{$i};
- }
- }
- return $tmp;
- }
- /**
- * Helper method to create password
- *
- * Method to create a password from a login
- *
- * @access private
- * @param string Login
- * @param integer Key
- * @return string
- */
- function _asciiRotx($login, $key)
- {
- $tmp = '';
- for ($i = 0; $i < strlen($login); $i++) {
- $next = ord($login{$i}) + $key;
- if ($next > 255) {
- $next -= 255;
- } elseif ($next < 0) {
- $next += 255;
- }
- switch ($next) { // delete white space
- case 0x09:
- case 0x20:
- case 0x0A:
- case 0x0D:
- $next++;
- }
- $tmp .= chr($next);
- }
- return $tmp;
- }
- /**
- * Helper method to create password
- *
- * Method to create a password from a login
- *
- * @access private
- * @param string Login
- * @param integer Key
- * @return string
- */
- function _asciiRotxpp($login, $key)
- {
- $tmp = '';
- for ($i = 0; $i < strlen($login); $i++, $key++) {
- $next = ord($login{$i}) + $key;
- if ($next > 255) {
- $next -= 255;
- } elseif ($next < 0) {
- $next += 255;
- }
- switch ($next) { // delete white space
- case 0x09:
- case 0x20:
- case 0x0A:
- case 0x0D:
- $next++;
- }
- $tmp .= chr($next);
- }
- return $tmp;
- }
- /**
- * Helper method to create password
- *
- * Method to create a password from a login
- *
- * @access private
- * @param string Login
- * @param integer Key
- * @return string
- */
- function _asciiRotxmm($login, $key)
- {
- $tmp = '';
- for ($i = 0; $i < strlen($login); $i++, $key--) {
- $next = ord($login{$i}) + $key;
- if ($next > 255) {
- $next -= 255;
- } elseif ($next < 0) {
- $next += 255;
- }
- switch ($next) { // delete white space
- case 0x09:
- case 0x20:
- case 0x0A:
- case 0x0D:
- $next++;
- }
- $tmp .= chr($next);
- }
- return $tmp;
- }
- /**
- * Helper method to create password
- *
- * Method to create a password from a login
- *
- * @access private
- * @param string Login
- * @return string
- */
- function _shuffle($login)
- {
- $tmp = array();
- for ($i = 0; $i < strlen($login); $i++) {
- $tmp[] = $login{$i};
- }
- shuffle($tmp);
- return implode($tmp, '');
- }
- /**
- * Create pronounceable password
- *
- * This method creates a string that consists of
- * vowels and consonats.
- *
- * @access private
- * @param integer Length of the password
- * @return string Returns the password
- */
- function _createPronounceable($length)
- {
- global $_Text_Password_NumberOfPossibleCharacters;
- $retVal = '';
- /**
- * List of vowels and vowel sounds
- */
- $v = array('a', 'e', 'i', 'o', 'u', 'ae', 'ou', 'io',
- 'ea', 'ou', 'ia', 'ai'
- );
- /**
- * List of consonants and consonant sounds
- */
- $c = array('b', 'c', 'd', 'g', 'h', 'j', 'k', 'l', 'm',
- 'n', 'p', 'r', 's', 't', 'u', 'v', 'w',
- 'tr', 'cr', 'fr', 'dr', 'wr', 'pr', 'th',
- 'ch', 'ph', 'st', 'sl', 'cl'
- );
- $v_count = 12;
- $c_count = 29;
- $_Text_Password_NumberOfPossibleCharacters = $v_count + $c_count;
- for ($i = 0; $i < $length; $i++) {
- $retVal .= $c[mt_rand(0, $c_count-1)] . $v[mt_rand(0, $v_count-1)];
- }
- return substr($retVal, 0, $length);
- }
- /**
- * Create unpronounceable password
- *
- * This method creates a random unpronounceable password
- *
- * @access private
- * @param integer Length of the password
- * @param string Character which could be use in the
- * unpronounceable password ex : 'ABCDEFG'
- * or numeric, alphabetical or alphanumeric.
- * @return string Returns the password
- */
- function _createUnpronounceable($length, $chars)
- {
- global $_Text_Password_NumberOfPossibleCharacters;
- $password = '';
- /**
- * List of character which could be use in the password
- */
- switch($chars) {
- case 'alphanumeric':
- $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
- $_Text_Password_NumberOfPossibleCharacters = 62;
- break;
- case 'alphabetical':
- $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
- $_Text_Password_NumberOfPossibleCharacters = 52;
- break;
- case 'numeric':
- $chars = '0123456789';
- $_Text_Password_NumberOfPossibleCharacters = 10;
- break;
- case '':
- $chars = '_#@%&ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
- $_Text_Password_NumberOfPossibleCharacters = 67;
- break;
- default:
- /**
- * Some characters shouldn't be used
- */
- $chars = trim($chars);
- $chars = str_replace(array('+', '|', '$', '^', '/', '\\', ','), '', $chars);
- $_Text_Password_NumberOfPossibleCharacters = strlen($chars);
- }
- /**
- * Generate password
- */
- for ($i = 0; $i < $length; $i++) {
- $num = mt_rand(0, $_Text_Password_NumberOfPossibleCharacters - 1);
- $password .= $chars{$num};
- }
- /**
- * Return password
- */
- return $password;
- }
- }
- ?>