1 | <?php |
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2 | /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ |
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3 | |
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4 | /** |
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5 | * Class to create passwords |
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6 | * |
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7 | * PHP versions 4 and 5 |
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8 | * |
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9 | * LICENSE: This source file is subject to version 3.0 of the PHP license |
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10 | * that is available through the world-wide-web at the following URI: |
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11 | * http://www.php.net/license/3_0.txt. If you did not receive a copy of |
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12 | * the PHP License and are unable to obtain it through the web, please |
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13 | * send a note to license@php.net so we can mail you a copy immediately. |
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14 | * |
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15 | * @category Text |
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16 | * @package Text_Password |
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17 | * @author Martin Jansen <mj@php.net> |
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18 | * @author Olivier Vanhoucke <olivier@php.net> |
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19 | * @copyright 2004-2005 Martin Jansen, Olivier Vanhoucke |
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20 | * @license http://www.php.net/license/3_0.txt PHP License 3.0 |
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21 | * @version CVS: $Id$ |
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22 | * @link http://pear.php.net/package/Text_Password |
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23 | */ |
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24 | |
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25 | /** |
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26 | * Number of possible characters in the password |
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27 | */ |
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28 | $GLOBALS['_Text_Password_NumberOfPossibleCharacters'] = 0; |
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29 | |
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30 | /** |
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31 | * Main class for the Text_Password package |
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32 | * |
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33 | * @category Text |
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34 | * @package Text_Password |
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35 | * @author Martin Jansen <mj@php.net> |
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36 | * @author Olivier Vanhoucke <olivier@php.net> |
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37 | * @copyright 2004-2005 Martin Jansen, Olivier Vanhoucke |
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38 | * @license http://www.php.net/license/3_0.txt PHP License 3.0 |
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39 | * @version Release: @package_version@ |
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40 | * @link http://pear.php.net/package/Text_Password |
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41 | */ |
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42 | class Text_Password { |
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43 | |
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44 | /** |
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45 | * Create a single password. |
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46 | * |
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47 | * @access public |
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48 | * @param integer Length of the password. |
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49 | * @param string Type of password (pronounceable, unpronounceable) |
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50 | * @param string Character which could be use in the |
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51 | * unpronounceable password ex : 'ABCDEFG' |
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52 | * or numeric, alphabetical or alphanumeric. |
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53 | * @return string Returns the generated password. |
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54 | */ |
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55 | function create($length = 10, $type = 'pronounceable', $chars = '') |
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56 | { |
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57 | switch ($type) { |
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58 | case 'unpronounceable' : |
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59 | return Text_Password::_createUnpronounceable($length, $chars); |
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60 | |
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61 | case 'pronounceable' : |
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62 | default : |
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63 | return Text_Password::_createPronounceable($length); |
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64 | } |
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65 | } |
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66 | |
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67 | /** |
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68 | * Create multiple, different passwords |
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69 | * |
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70 | * Method to create a list of different passwords which are |
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71 | * all different. |
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72 | * |
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73 | * @access public |
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74 | * @param integer Number of different password |
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75 | * @param integer Length of the password |
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76 | * @param string Type of password (pronounceable, unpronounceable) |
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77 | * @param string Character which could be use in the |
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78 | * unpronounceable password ex : 'A,B,C,D,E,F,G' |
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79 | * or numeric, alphabetical or alphanumeric. |
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80 | * @return array Array containing the passwords |
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81 | */ |
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82 | function createMultiple($number, $length = 10, $type = 'pronounceable', $chars = '') |
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83 | { |
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84 | $passwords = array(); |
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85 | |
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86 | while ($number > 0) { |
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87 | while (true) { |
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88 | $password = Text_Password::create($length, $type, $chars); |
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89 | if (!in_array($password, $passwords)) { |
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90 | $passwords[] = $password; |
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91 | break; |
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92 | } |
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93 | } |
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94 | $number--; |
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95 | } |
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96 | return $passwords; |
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97 | } |
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98 | |
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99 | /** |
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100 | * Create password from login |
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101 | * |
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102 | * Method to create password from login |
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103 | * |
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104 | * @access public |
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105 | * @param string Login |
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106 | * @param string Type |
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107 | * @param integer Key |
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108 | * @return string |
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109 | */ |
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110 | function createFromLogin($login, $type, $key = 0) |
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111 | { |
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112 | switch ($type) { |
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113 | case 'reverse': |
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114 | return strrev($login); |
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115 | |
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116 | case 'shuffle': |
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117 | return Text_Password::_shuffle($login); |
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118 | |
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119 | case 'xor': |
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120 | return Text_Password::_xor($login, $key); |
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121 | |
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122 | case 'rot13': |
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123 | return str_rot13($login); |
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124 | |
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125 | case 'rotx': |
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126 | return Text_Password::_rotx($login, $key); |
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127 | |
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128 | case 'rotx++': |
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129 | return Text_Password::_rotxpp($login, $key); |
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130 | |
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131 | case 'rotx--': |
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132 | return Text_Password::_rotxmm($login, $key); |
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133 | |
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134 | case 'ascii_rotx': |
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135 | return Text_Password::_asciiRotx($login, $key); |
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136 | |
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137 | case 'ascii_rotx++': |
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138 | return Text_Password::_asciiRotxpp($login, $key); |
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139 | |
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140 | case 'ascii_rotx--': |
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141 | return Text_Password::_asciiRotxmm($login, $key); |
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142 | } |
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143 | } |
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144 | |
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145 | /** |
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146 | * Create multiple, different passwords from an array of login |
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147 | * |
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148 | * Method to create a list of different password from login |
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149 | * |
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150 | * @access public |
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151 | * @param array Login |
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152 | * @param string Type |
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153 | * @param integer Key |
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154 | * @return array Array containing the passwords |
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155 | */ |
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156 | function createMultipleFromLogin($login, $type, $key = 0) |
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157 | { |
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158 | $passwords = array(); |
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159 | $number = count($login); |
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160 | $save = $number; |
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161 | |
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162 | while ($number > 0) { |
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163 | while (true) { |
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164 | $password = Text_Password::createFromLogin($login[$save - $number], $type, $key); |
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165 | if (!in_array($password, $passwords)) { |
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166 | $passwords[] = $password; |
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167 | break; |
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168 | } |
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169 | } |
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170 | $number--; |
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171 | } |
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172 | return $passwords; |
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173 | } |
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174 | |
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175 | /** |
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176 | * Helper method to create password |
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177 | * |
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178 | * Method to create a password from a login |
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179 | * |
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180 | * @access private |
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181 | * @param string Login |
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182 | * @param integer Key |
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183 | * @return string |
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184 | */ |
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185 | function _xor($login, $key) |
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186 | { |
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187 | $tmp = ''; |
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188 | |
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189 | for ($i = 0; $i < strlen($login); $i++) { |
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190 | $next = ord($login{$i}) ^ $key; |
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191 | if ($next > 255) { |
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192 | $next -= 255; |
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193 | } elseif ($next < 0) { |
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194 | $next += 255; |
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195 | } |
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196 | $tmp .= chr($next); |
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197 | } |
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198 | |
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199 | return $tmp; |
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200 | } |
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201 | |
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202 | /** |
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203 | * Helper method to create password |
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204 | * |
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205 | * Method to create a password from a login |
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206 | * lowercase only |
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207 | * |
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208 | * @access private |
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209 | * @param string Login |
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210 | * @param integer Key |
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211 | * @return string |
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212 | */ |
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213 | function _rotx($login, $key) |
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214 | { |
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215 | $tmp = ''; |
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216 | $login = strtolower($login); |
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217 | |
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218 | for ($i = 0; $i < strlen($login); $i++) { |
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219 | if ((ord($login{$i}) >= 97) && (ord($login{$i}) <= 122)) { // 65, 90 for uppercase |
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220 | $next = ord($login{$i}) + $key; |
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221 | if ($next > 122) { |
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222 | $next -= 26; |
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223 | } elseif ($next < 97) { |
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224 | $next += 26; |
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225 | } |
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226 | $tmp .= chr($next); |
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227 | } else { |
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228 | $tmp .= $login{$i}; |
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229 | } |
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230 | } |
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231 | |
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232 | return $tmp; |
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233 | } |
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234 | |
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235 | /** |
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236 | * Helper method to create password |
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237 | * |
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238 | * Method to create a password from a login |
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239 | * lowercase only |
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240 | * |
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241 | * @access private |
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242 | * @param string Login |
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243 | * @param integer Key |
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244 | * @return string |
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245 | */ |
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246 | function _rotxpp($login, $key) |
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247 | { |
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248 | $tmp = ''; |
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249 | $login = strtolower($login); |
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250 | |
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251 | for ($i = 0; $i < strlen($login); $i++, $key++) { |
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252 | if ((ord($login{$i}) >= 97) && (ord($login{$i}) <= 122)) { // 65, 90 for uppercase |
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253 | $next = ord($login{$i}) + $key; |
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254 | if ($next > 122) { |
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255 | $next -= 26; |
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256 | } elseif ($next < 97) { |
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257 | $next += 26; |
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258 | } |
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259 | $tmp .= chr($next); |
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260 | } else { |
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261 | $tmp .= $login{$i}; |
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262 | } |
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263 | } |
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264 | |
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265 | return $tmp; |
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266 | } |
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267 | |
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268 | /** |
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269 | * Helper method to create password |
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270 | * |
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271 | * Method to create a password from a login |
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272 | * lowercase only |
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273 | * |
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274 | * @access private |
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275 | * @param string Login |
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276 | * @param integer Key |
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277 | * @return string |
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278 | */ |
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279 | function _rotxmm($login, $key) |
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280 | { |
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281 | $tmp = ''; |
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282 | $login = strtolower($login); |
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283 | |
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284 | for ($i = 0; $i < strlen($login); $i++, $key--) { |
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285 | if ((ord($login{$i}) >= 97) && (ord($login{$i}) <= 122)) { // 65, 90 for uppercase |
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286 | $next = ord($login{$i}) + $key; |
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287 | if ($next > 122) { |
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288 | $next -= 26; |
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289 | } elseif ($next < 97) { |
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290 | $next += 26; |
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291 | } |
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292 | $tmp .= chr($next); |
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293 | } else { |
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294 | $tmp .= $login{$i}; |
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295 | } |
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296 | } |
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297 | |
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298 | return $tmp; |
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299 | } |
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300 | |
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301 | /** |
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302 | * Helper method to create password |
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303 | * |
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304 | * Method to create a password from a login |
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305 | * |
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306 | * @access private |
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307 | * @param string Login |
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308 | * @param integer Key |
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309 | * @return string |
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310 | */ |
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311 | function _asciiRotx($login, $key) |
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312 | { |
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313 | $tmp = ''; |
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314 | |
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315 | for ($i = 0; $i < strlen($login); $i++) { |
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316 | $next = ord($login{$i}) + $key; |
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317 | if ($next > 255) { |
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318 | $next -= 255; |
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319 | } elseif ($next < 0) { |
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320 | $next += 255; |
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321 | } |
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322 | switch ($next) { // delete white space |
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323 | case 0x09: |
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324 | case 0x20: |
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325 | case 0x0A: |
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326 | case 0x0D: |
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327 | $next++; |
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328 | } |
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329 | $tmp .= chr($next); |
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330 | } |
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331 | |
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332 | return $tmp; |
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333 | } |
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334 | |
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335 | /** |
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336 | * Helper method to create password |
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337 | * |
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338 | * Method to create a password from a login |
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339 | * |
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340 | * @access private |
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341 | * @param string Login |
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342 | * @param integer Key |
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343 | * @return string |
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344 | */ |
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345 | function _asciiRotxpp($login, $key) |
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346 | { |
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347 | $tmp = ''; |
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348 | |
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349 | for ($i = 0; $i < strlen($login); $i++, $key++) { |
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350 | $next = ord($login{$i}) + $key; |
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351 | if ($next > 255) { |
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352 | $next -= 255; |
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353 | } elseif ($next < 0) { |
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354 | $next += 255; |
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355 | } |
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356 | switch ($next) { // delete white space |
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357 | case 0x09: |
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358 | case 0x20: |
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359 | case 0x0A: |
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360 | case 0x0D: |
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361 | $next++; |
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362 | } |
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363 | $tmp .= chr($next); |
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364 | } |
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365 | |
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366 | return $tmp; |
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367 | } |
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368 | |
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369 | /** |
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370 | * Helper method to create password |
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371 | * |
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372 | * Method to create a password from a login |
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373 | * |
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374 | * @access private |
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375 | * @param string Login |
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376 | * @param integer Key |
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377 | * @return string |
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378 | */ |
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379 | function _asciiRotxmm($login, $key) |
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380 | { |
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381 | $tmp = ''; |
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382 | |
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383 | for ($i = 0; $i < strlen($login); $i++, $key--) { |
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384 | $next = ord($login{$i}) + $key; |
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385 | if ($next > 255) { |
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386 | $next -= 255; |
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387 | } elseif ($next < 0) { |
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388 | $next += 255; |
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389 | } |
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390 | switch ($next) { // delete white space |
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391 | case 0x09: |
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392 | case 0x20: |
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393 | case 0x0A: |
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394 | case 0x0D: |
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395 | $next++; |
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396 | } |
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397 | $tmp .= chr($next); |
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398 | } |
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399 | |
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400 | return $tmp; |
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401 | } |
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402 | |
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403 | /** |
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404 | * Helper method to create password |
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405 | * |
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406 | * Method to create a password from a login |
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407 | * |
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408 | * @access private |
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409 | * @param string Login |
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410 | * @return string |
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411 | */ |
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412 | function _shuffle($login) |
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413 | { |
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414 | $tmp = array(); |
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415 | |
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416 | for ($i = 0; $i < strlen($login); $i++) { |
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417 | $tmp[] = $login{$i}; |
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418 | } |
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419 | |
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420 | shuffle($tmp); |
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421 | |
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422 | return implode($tmp, ''); |
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423 | } |
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424 | |
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425 | /** |
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426 | * Create pronounceable password |
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427 | * |
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428 | * This method creates a string that consists of |
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429 | * vowels and consonats. |
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430 | * |
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431 | * @access private |
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432 | * @param integer Length of the password |
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433 | * @return string Returns the password |
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434 | */ |
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435 | function _createPronounceable($length) |
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436 | { |
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437 | |
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438 | $retVal = ''; |
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439 | |
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440 | /** |
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441 | * List of vowels and vowel sounds |
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442 | */ |
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443 | $v = array('a', 'e', 'i', 'o', 'u', 'ae', 'ou', 'io', |
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444 | 'ea', 'ou', 'ia', 'ai' |
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445 | ); |
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446 | |
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447 | /** |
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448 | * List of consonants and consonant sounds |
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449 | */ |
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450 | $c = array('b', 'c', 'd', 'g', 'h', 'j', 'k', 'l', 'm', |
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451 | 'n', 'p', 'r', 's', 't', 'u', 'v', 'w', |
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452 | 'tr', 'cr', 'fr', 'dr', 'wr', 'pr', 'th', |
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453 | 'ch', 'ph', 'st', 'sl', 'cl' |
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454 | ); |
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455 | |
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456 | $v_count = 12; |
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457 | $c_count = 29; |
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458 | |
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459 | $GLOBALS['_Text_Password_NumberOfPossibleCharacters'] = $v_count + $c_count; |
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460 | |
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461 | for ($i = 0; $i < $length; $i++) { |
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462 | $retVal .= $c[mt_rand(0, $c_count-1)] . $v[mt_rand(0, $v_count-1)]; |
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463 | } |
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464 | |
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465 | return substr($retVal, 0, $length); |
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466 | } |
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467 | |
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468 | /** |
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469 | * Create unpronounceable password |
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470 | * |
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471 | * This method creates a random unpronounceable password |
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472 | * |
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473 | * @access private |
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474 | * @param integer Length of the password |
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475 | * @param string Character which could be use in the |
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476 | * unpronounceable password ex : 'ABCDEFG' |
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477 | * or numeric, alphabetical or alphanumeric. |
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478 | * @return string Returns the password |
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479 | */ |
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480 | function _createUnpronounceable($length, $chars) |
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481 | { |
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482 | $password = ''; |
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483 | |
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484 | /** |
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485 | * List of character which could be use in the password |
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486 | */ |
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487 | switch($chars) { |
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488 | |
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489 | case 'alphanumeric': |
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490 | $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'; |
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491 | $GLOBALS['_Text_Password_NumberOfPossibleCharacters'] = 62; |
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492 | break; |
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493 | |
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494 | case 'alphabetical': |
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495 | $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'; |
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496 | $GLOBALS['_Text_Password_NumberOfPossibleCharacters'] = 52; |
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497 | break; |
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498 | |
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499 | case 'numeric': |
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500 | $chars = '0123456789'; |
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501 | $GLOBALS['_Text_Password_NumberOfPossibleCharacters'] = 10; |
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502 | break; |
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503 | |
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504 | case '': |
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505 | $chars = '_#@%&ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'; |
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506 | $GLOBALS['_Text_Password_NumberOfPossibleCharacters'] = 67; |
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507 | break; |
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508 | |
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509 | default: |
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510 | /** |
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511 | * Some characters shouldn't be used |
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512 | */ |
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513 | $chars = trim($chars); |
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514 | $chars = str_replace(array('+', '|', '$', '^', '/', '\\', ','), '', $chars); |
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515 | |
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516 | $GLOBALS['_Text_Password_NumberOfPossibleCharacters'] = strlen($chars); |
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517 | } |
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518 | |
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519 | /** |
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520 | * Generate password |
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521 | */ |
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522 | for ($i = 0; $i < $length; $i++) { |
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523 | $num = mt_rand(0, $GLOBALS['_Text_Password_NumberOfPossibleCharacters'] - 1); |
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524 | $password .= $chars{$num}; |
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525 | } |
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526 | |
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527 | /** |
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528 | * Return password |
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529 | */ |
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530 | return $password; |
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531 | } |
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532 | } |
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533 | ?> |
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