1 | <?php |
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2 | /** |
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3 | * SocialConnect project |
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4 | * @author: Patsura Dmitry https://github.com/ovr <[email protected]> |
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5 | */ |
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6 | declare(strict_types=1); |
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7 | |||
8 | namespace SocialConnect\OAuth1\Signature; |
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9 | |||
10 | use SocialConnect\Provider\Consumer; |
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11 | use SocialConnect\OAuth1\Token; |
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12 | use SocialConnect\OAuth1\Util; |
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13 | |||
14 | class MethodRSASHA1 extends AbstractSignatureMethod |
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15 | { |
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16 | /** |
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17 | * @var string Path to the private key used for signing |
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18 | */ |
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19 | private $privateKey; |
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20 | |||
21 | /** |
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22 | * MethodRSASHA1 constructor. |
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23 | * |
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24 | * @param string $privateKey The path to the private key used for signing |
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25 | */ |
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26 | 12 | public function __construct($privateKey) |
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27 | { |
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28 | 12 | if (!is_readable($privateKey)) { |
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29 | 1 | throw new \InvalidArgumentException('The private key is not readable'); |
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30 | } |
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31 | |||
32 | 11 | if (!function_exists('openssl_pkey_get_private')) { |
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33 | throw new \InvalidArgumentException('The OpenSSL-Extension seems not to be available. That is necessary to handle RSA-SHA1'); |
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34 | } |
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35 | |||
36 | 11 | $this->privateKey = $privateKey; |
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37 | 11 | } |
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38 | |||
39 | /** |
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40 | * @return string |
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41 | */ |
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42 | 2 | public function getName() |
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43 | { |
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44 | 2 | return 'RSA-SHA1'; |
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45 | } |
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46 | |||
47 | /** |
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48 | * @param string $signatureBase |
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49 | * @param Consumer $consumer |
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50 | * @param Token $token |
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51 | * @return string |
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52 | */ |
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53 | 2 | public function buildSignature(string $signatureBase, Consumer $consumer, Token $token) |
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54 | { |
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55 | 2 | $certificate = openssl_pkey_get_private('file://' . $this->privateKey); |
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56 | 2 | $privateKeyId = openssl_pkey_get_private($certificate); |
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57 | |||
58 | 2 | $signature = null; |
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59 | |||
60 | 2 | openssl_sign($signatureBase, $signature, $privateKeyId, OPENSSL_ALGO_SHA1); |
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61 | 2 | openssl_free_key($privateKeyId); |
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62 | |||
63 | 2 | return base64_encode($signature); |
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64 | } |
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65 | } |
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66 |