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<?php |
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/** |
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* Copyright (c) 2017-present Ganbaro Digital Ltd |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* * Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* * Neither the names of the copyright holders nor the names of his |
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* contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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* |
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* @category Libraries |
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* @package MessagingPipeline/Checks |
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* @author Stuart Herbert <[email protected]> |
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* @copyright 2017-present Ganbaro Digital Ltd www.ganbarodigital.com |
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* @license http://www.opensource.org/licenses/bsd-license.php BSD License |
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* @link http://ganbarodigital.github.io/php-mv-messaging-pipeline |
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*/ |
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namespace GanbaroDigital\MessagingPipeline\V1\Checks; |
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use GanbaroDigital\MissingBits\Checks\Check; |
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use GanbaroDigital\MissingBits\Checks\ListCheck; |
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use GanbaroDigital\MissingBits\Checks\ListCheckHelper; |
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/** |
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* do we have an encryption cipher that we can use? |
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*/ |
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class IsValidEncryptionCipher implements Check, ListCheck |
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{ |
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// saves us having to implement inspectList() ourselves |
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use ListCheckHelper; |
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/** |
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* do we have an encryption cipher that we can use? |
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* |
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* @param string $fieldOrVar |
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* the item to be checked |
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* @return bool |
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* TRUE if the item is a supported encryption cipher |
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* FALSE otherwise |
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*/ |
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public static function check(string $fieldOrVar) : bool |
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{ |
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// OpenSSL will give us a list of encryption ciphers that |
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// it supports |
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$supportedAlgos = openssl_get_cipher_methods(); |
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return in_array($fieldOrVar, $supportedAlgos); |
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} |
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/** |
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* do we have an encryption cipher that we can use? |
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* |
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* @param string $fieldOrVar |
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* the item to be checked |
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* @return bool |
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* TRUE if the item is a supported encryption cipher |
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* FALSE otherwise |
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*/ |
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public function inspect($fieldOrVar) |
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{ |
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// we are just a wrapper around our stateless check |
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return static::check($fieldOrVar); |
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} |
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/** |
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* do we have an encryption cipher that we can use? |
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* |
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* @param array|Traversable $list |
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* the item to be checked |
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* @return bool |
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* TRUE if every item in $list is a supported encryption cipher |
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* FALSE otherwise |
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*/ |
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public static function checkList($list) : bool |
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{ |
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// we are just a wrapper around our OO list inspector |
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$inspector = new static; |
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return $inspector->inspectList($list); |
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} |
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} |