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<?php |
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/* |
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Copyright (c) 2007, Till Brehm, projektfarm Gmbh |
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Copyright (c) 2014, Marius Cramer, pixcept KG |
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All rights reserved. |
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Redistribution and use in source and binary forms, with or without modification, |
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are permitted provided that the following conditions are met: |
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* Redistributions of source code must retain the above copyright notice, |
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this list of conditions and the following disclaimer. |
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* Redistributions in binary form must reproduce the above copyright notice, |
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this list of conditions and the following disclaimer in the documentation |
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and/or other materials provided with the distribution. |
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* Neither the name of ISPConfig nor the names of its contributors |
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may be used to endorse or promote products derived from this software without |
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specific prior written permission. |
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, |
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
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OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
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EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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class validate_password { |
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private function _get_password_strength($password) { |
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$length = strlen($password); |
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$points = 0; |
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if ($length < 5) { |
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return 1; |
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} |
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$different = 0; |
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if (preg_match('/[abcdefghijklnmopqrstuvwxyz]/', $password)) { |
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$different += 1; |
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} |
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if (preg_match('/[ABCDEFGHIJKLNMOPQRSTUVWXYZ]/', $password)) { |
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$points += 1; |
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$different += 1; |
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} |
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if (preg_match('/[0123456789]/', $password)) { |
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$points += 1; |
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$different += 1; |
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} |
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if (preg_match('/[`~!@#$%^&*()_+|\\=-\[\]}{\';:\/?.>,<" ]/', $password)) { |
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$points += 1; |
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$different += 1; |
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} |
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if ($points == 0 || $different < 3) { |
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if ($length >= 5 && $length <= 6) { |
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return 1; |
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} else if ($length >= 7 && $length <= 8) { |
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return 2; |
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} else { |
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return 3; |
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} |
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} else if ($points == 1) { |
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if ($length >= 5 && $length <= 6) { |
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return 2; |
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} else if (length >= 7 && length <=10) { |
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return 3; |
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} else { |
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return 4; |
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} |
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} else if ($points == 2) { |
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if ($length >= 5 && $length <= 8) { |
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return 3; |
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} else if ($length >= 9 && $length <= 10) { |
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return 4; |
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} else { |
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return 5; |
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} |
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} else if ($points == 3) { |
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if ($length >= 5 && $length <= 6) { |
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return 3; |
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} else if ($length >= 7 && $length <= 8) { |
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return 4; |
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} else { |
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return 5; |
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} |
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} else if ($points >= 4) { |
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if ($length >= 5 && $length <= 6) { |
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return 4; |
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} else { |
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return 5; |
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} |
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} |
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} |
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/* Validator function */ |
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function password_check($field_name, $field_value, $validator) { |
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global $app; |
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if($field_value == '') return false; |
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$app->uses('ini_parser,getconf'); |
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$server_config_array = $app->getconf->get_global_config(); |
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$min_password_strength = 0; |
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$min_password_length = 5; |
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if(isset($server_config_array['misc']['min_password_length'])) $min_password_length = $server_config_array['misc']['min_password_length']; |
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if(isset($server_config_array['misc']['min_password_strength'])) $min_password_strength = $server_config_array['misc']['min_password_strength']; |
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if($min_password_strength > 0) { |
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$lng_text = $app->lng('weak_password_txt'); |
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$lng_text = str_replace(array('{chars}', '{strength}'), array($min_password_length, $app->lng('strength_' . $min_password_strength)), $lng_text); |
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} else { |
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$lng_text = $app->lng('weak_password_length_txt'); |
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$lng_text = str_replace('{chars}', $min_password_length, $lng_text); |
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} |
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if(!$lng_text) $lng_text = 'weak_password_txt'; // always return a string, even if language is missing - otherwise validator is NOT MATCHING! |
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if(strlen($field_value) < $min_password_length) return $lng_text; |
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if($this->_get_password_strength($field_value) < $min_password_strength) return $lng_text; |
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return false; |
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} |
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} |