| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  *  Copyright (C) 2016 SURFnet. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  *  This program is free software: you can redistribute it and/or modify | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  *  it under the terms of the GNU Affero General Public License as | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  *  published by the Free Software Foundation, either version 3 of the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  *  License, or (at your option) any later version. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  *  This program is distributed in the hope that it will be useful, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  *  but WITHOUT ANY WARRANTY; without even the implied warranty of | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  *  GNU Affero General Public License for more details. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  *  You should have received a copy of the GNU Affero General Public License | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  *  along with this program.  If not, see <http://www.gnu.org/licenses/>. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  | namespace fkooman\RemoteStorage\Http; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  | use fkooman\RemoteStorage\Http\Exception\InputValidationException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  | class InputValidation | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |     public static function displayName($displayName) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |         $displayName = filter_var($displayName, FILTER_UNSAFE_RAW, FILTER_FLAG_STRIP_LOW); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |         if (0 === mb_strlen($displayName)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |             throw new InputValidationException('invalid "display_name"'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |         return $displayName; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |     public static function commonName($commonName) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |         if (1 !== preg_match('/^[a-fA-F0-9]{32}$/', $commonName)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |             throw new InputValidationException('invalid "common_name"'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |         return $commonName; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |     public static function serverCommonName($serverCommonName) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |         if (1 !== preg_match('/^[a-zA-Z0-9-.]+$/', $serverCommonName)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |             throw new InputValidationException('invalid "server_common_name"'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |         return $serverCommonName; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |     public static function profileId($profileId) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |         if (1 !== preg_match('/^[a-zA-Z0-9]+$/', $profileId)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |             throw new InputValidationException('invalid "profile_id"'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |         return $profileId; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |     public static function instanceId($instanceId) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |         if (1 !== preg_match('/^[a-zA-Z0-9-.]+$/', $instanceId)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |             throw new InputValidationException('invalid "instance_id"'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |         return $instanceId; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |     public static function languageCode($languageCode) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |         $supportedLanguages = ['en_US', 'nl_NL', 'de_DE', 'fr_FR']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |         if (!in_array($languageCode, $supportedLanguages)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |             throw new InputValidationException('invalid "language_code"'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |         return $languageCode; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |     public static function totpSecret($totpSecret) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |         if (1 !== preg_match('/^[A-Z0-9]{16}$/', $totpSecret)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |             throw new InputValidationException('invalid "totp_secret"'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |         return $totpSecret; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |     public static function yubiKeyOtp($yubiKeyOtp) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |         if (1 !== preg_match('/^[a-z]{44}$/', $yubiKeyOtp)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |             throw new InputValidationException('invalid "yubi_key_otp"'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |         return $yubiKeyOtp; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |     public static function totpKey($totpKey) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |         if (1 !== preg_match('/^[0-9]{6}$/', $totpKey)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |             throw new InputValidationException('invalid "totp_key"'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |         return $totpKey; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |     public static function clientId($clientId) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |         if (1 !== preg_match('/^(?:[\x20-\x7E])+$/', $clientId)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |             throw new InputValidationException('invalid "client_id"'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  |         return $clientId; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |      * @return string | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 150 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 151 |  |  |     public static function userId($userId) | 
            
                                                                        
                            
            
                                    
            
            
                | 152 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 153 |  |  |         if (1 !== preg_match('/^[a-zA-Z0-9-.@]+$/', $userId)) { | 
            
                                                                        
                            
            
                                    
            
            
                | 154 |  |  |             throw new InputValidationException('invalid "user_id"'); | 
            
                                                                        
                            
            
                                    
            
            
                | 155 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 156 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 157 |  |  |         return $userId; | 
            
                                                                        
                            
            
                                    
            
            
                | 158 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  |      * @return int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  |     public static function dateTime($dateTime) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  |         // try to parse first | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |         if (false === $unixTime = strtotime($dateTime)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |             // if that fails, check if it is already unixTime | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |             if (is_numeric($dateTime)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  |                 $unixTime = (int) $dateTime; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  |                 if (0 <= $unixTime) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  |                     return $unixTime; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |             throw new InputValidationException('invalid "date_time"'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  |         return $unixTime; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  |      */ | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 184 |  | View Code Duplication |     public static function ipAddress($ipAddress) | 
                            
                    |  |  |  | 
                                                                                        
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                | 185 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 |  |  |         if (false === filter_var($ipAddress, FILTER_VALIDATE_IP)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  |             throw new InputValidationException('invalid "ip_address"'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 |  |  |         // normalize the IP address (only makes a difference for IPv6) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 |  |  |         return inet_ntop(inet_pton($ipAddress)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 |  |  |     public static function vootToken($vootToken) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 |  |  |         if (1 !== preg_match('/^[a-zA-Z0-9-]+$/', $vootToken)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 |  |  |             throw new InputValidationException('invalid "voot_token"'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 |  |  |         return $vootToken; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 |  |  |     public static function ip4($ip4) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 |  |  |         if (false === filter_var($ip4, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 |  |  |             throw new InputValidationException('invalid "ip4"'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 215 |  |  |         return $ip4; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 216 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 217 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 218 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 219 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 220 |  |  |      */ | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 221 |  | View Code Duplication |     public static function ip6($ip6) | 
                            
                    |  |  |  | 
                                                                                        
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                | 222 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 223 |  |  |         if (false === filter_var($ip6, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 224 |  |  |             throw new InputValidationException('invalid "ip6"'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 225 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 226 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 227 |  |  |         // normalize the IPv6 address | 
            
                                                                                                            
                            
            
                                    
            
            
                | 228 |  |  |         return inet_ntop(inet_pton($ip6)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 229 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 230 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 231 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 232 |  |  |      * @return int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 233 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 234 |  |  |     public static function connectedAt($connectedAt) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 235 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 236 |  |  |         if (!is_numeric($connectedAt) || 0 > intval($connectedAt)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 237 |  |  |             throw new InputValidationException('invalid "connected_at"'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 238 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 239 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 240 |  |  |         return intval($connectedAt); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 241 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 242 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 243 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 244 |  |  |      * @return int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 245 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 246 |  |  |     public static function disconnectedAt($disconnectedAt) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 247 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 248 |  |  |         if (!is_numeric($disconnectedAt) || 0 > intval($disconnectedAt)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 249 |  |  |             throw new InputValidationException('invalid "disconnected_at"'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 250 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 251 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 252 |  |  |         return intval($disconnectedAt); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 253 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 254 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 255 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 256 |  |  |      * @return int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 257 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 258 |  |  |     public static function bytesTransferred($bytesTransferred) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 259 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 260 |  |  |         if (!is_numeric($bytesTransferred) || 0 > intval($bytesTransferred)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 261 |  |  |             throw new InputValidationException('invalid "bytes_transferred"'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 262 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 263 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 264 |  |  |         return intval($bytesTransferred); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 265 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 266 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 267 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 268 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 269 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 270 |  |  |     public static function twoFactorType($twoFactorType) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 271 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 272 |  |  |         if ('totp' !== $twoFactorType && 'yubi' !== $twoFactorType) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 273 |  |  |             throw new InputValidationException('invalid "two_factor_type"'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 274 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 275 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 276 |  |  |         return $twoFactorType; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 277 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 278 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 279 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 280 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 281 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 282 |  |  |     public static function twoFactorValue($twoFactorValue) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 283 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 284 |  |  |         if (!is_string($twoFactorValue) || 0 >= strlen($twoFactorValue)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 285 |  |  |             throw new InputValidationException('invalid "two_factor_value"'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 286 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 287 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 288 |  |  |         return $twoFactorValue; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 289 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 290 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 291 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 292 |  |  |      * @return int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 293 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 294 |  |  |     public static function messageId($messageId) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 295 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 296 |  |  |         if (!is_numeric($messageId) || 0 >= $messageId) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 297 |  |  |             throw new InputValidationException('invalid "message_id"'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 298 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 299 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 300 |  |  |         return (int) $messageId; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 301 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 302 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 303 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 304 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 305 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 306 |  |  |     public static function messageType($messageType) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 307 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 308 |  |  |         if ('motd' !== $messageType && 'notification' !== $messageType && 'maintenance' !== $messageType) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 309 |  |  |             throw new InputValidationException('invalid "message_type"'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 310 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 311 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 312 |  |  |         return $messageType; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 313 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 314 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 315 |  |  |  | 
            
                        
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.