Completed
Pull Request — master (#625)
by Julián
69:21 queued 34:15
created

CryptKey::saveKeyToFile()   A

Complexity

Conditions 3
Paths 2

Size

Total Lines 12
Code Lines 6

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
c 1
b 0
f 0
dl 0
loc 12
rs 9.4285
cc 3
eloc 6
nc 2
nop 1
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<?php
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/**
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 * Cryptography key holder.
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 *
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 * @author      Julián Gutiérrez <[email protected]>
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 * @copyright   Copyright (c) Alex Bilbie
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 * @license     http://mit-license.org/
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 *
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 * @link        https://github.com/thephpleague/oauth2-server
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 */
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namespace League\OAuth2\Server;
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class CryptKey
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{
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    const RSA_KEY_PATTERN =
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        '/^(-----BEGIN (RSA )?(PUBLIC|PRIVATE) KEY-----\n)(.|\n)+(-----END (RSA )?(PUBLIC|PRIVATE) KEY-----)$/';
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    /**
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     * @var string
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     */
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    protected $keyPath;
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    /**
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     * @var null|string
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     */
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    protected $passPhrase;
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    /**
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     * @param string      $keyPath
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     * @param null|string $passPhrase
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     */
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    public function __construct($keyPath, $passPhrase = null)
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    {
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        if (preg_match(self::RSA_KEY_PATTERN, $keyPath)) {
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            $keyPath = $this->saveKeyToFile($keyPath);
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        }
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        if (strpos($keyPath, 'file://') !== 0) {
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            $keyPath = 'file://' . $keyPath;
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        }
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        if (!file_exists($keyPath) || !is_readable($keyPath)) {
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            throw new \LogicException(sprintf('Key path "%s" does not exist or is not readable', $keyPath));
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        }
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        $this->keyPath = $keyPath;
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        $this->passPhrase = $passPhrase;
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    }
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    /**
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     * @param string $key
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     *
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     * @return string
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     */
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    private function saveKeyToFile($key)
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    {
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        $keyPath = sys_get_temp_dir() . '/' . sha1($key) . '.key';
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        if (!file_exists($keyPath) && !touch($keyPath)) {
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            throw new \RuntimeException('"%s" key file could not be created', $keyPath);
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        }
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        file_put_contents($keyPath, $key);
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        return 'file://' . $keyPath;
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    }
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    /**
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     * Retrieve key path.
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     *
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     * @return string
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     */
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    public function getKeyPath()
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    {
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        return $this->keyPath;
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    }
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    /**
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     * Retrieve key pass phrase.
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     *
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     * @return null|string
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     */
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    public function getPassPhrase()
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    {
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        return $this->passPhrase;
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    }
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}
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