IsValidHmacAlgorithm::checkList()   A
last analyzed

Complexity

Conditions 1
Paths 1

Size

Total Lines 6
Code Lines 3

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
dl 0
loc 6
rs 9.4285
c 0
b 0
f 0
cc 1
eloc 3
nc 1
nop 1
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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 a hmac algorithm that we can use?
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 */
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class IsValidHmacAlgorithm 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 a hmac algorithm 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 hmac algorithm
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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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        // PHP will give us a list of HMAC algorithms that
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        // it supports
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        $supportedAlgos = hash_algos();
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        return in_array($fieldOrVar, $supportedAlgos);
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    }
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    /**
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     * do we have a hmac algorithm that we can use?
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     *
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     * @param  string $fieldOrVar
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     *         the item to be checked
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     * @return bool
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     *         TRUE if the item is a supported hmac algorithm
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     *         FALSE otherwise
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     */
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    public function inspect($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 a hmac algorithm 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 $list is a supported hmac algorithm
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     *         FALSE otherwise
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     */
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    public static function checkList($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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}