1 | <?php |
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2 | |||
3 | namespace Pronamic\WordPress\Pay\Gateways\IDealAdvancedV3; |
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4 | |||
5 | /** |
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6 | * Title: Security |
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7 | * Description: |
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8 | * Copyright: 2005-2020 Pronamic |
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9 | * Company: Pronamic |
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10 | * |
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11 | * @author Remco Tolsma |
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12 | * @version 2.0.0 |
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13 | * @since 1.0.0 |
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14 | */ |
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15 | class Security { |
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16 | /** |
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17 | * Indicator for the begin of an certificate |
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18 | * |
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19 | * @var string |
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20 | */ |
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21 | const CERTIFICATE_BEGIN = '-----BEGIN CERTIFICATE-----'; |
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22 | |||
23 | /** |
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24 | * Indicator for the end of an certificate |
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25 | * |
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26 | * @var string |
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27 | */ |
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28 | const CERTIFICATE_END = '-----END CERTIFICATE-----'; |
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29 | |||
30 | /** |
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31 | * Get the sha1 fingerprint from the specified certificate |
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32 | * |
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33 | * @param string $certificate |
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34 | * |
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35 | * @return string Fingerprint or null on failure |
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36 | */ |
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37 | public static function get_sha_fingerprint( $certificate ) { |
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38 | return self::get_fingerprint( $certificate, 'sha1' ); |
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39 | } |
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40 | |||
41 | /** |
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42 | * Get the md5 fingerprint from the specified certificate |
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43 | * |
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44 | * @param string $certificate |
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45 | * |
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46 | * @return string Fingerprint or null on failure |
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47 | */ |
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48 | public static function get_md5_fingerprint( $certificate ) { |
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49 | return self::get_fingerprint( $certificate, 'md5' ); |
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50 | } |
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51 | |||
52 | /** |
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53 | * Get the fingerprint from the specified certificate |
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54 | * |
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55 | * @param string $certificate |
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56 | * |
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57 | * @return string Fingerprint or null on failure |
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58 | */ |
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59 | public static function get_fingerprint( $certificate, $hash = null ) { |
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60 | $fingerprint = null; |
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61 | |||
62 | // The openssl_x509_read() function will throw an warning if the supplied |
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63 | // parameter cannot be coerced into an X509 certificate |
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64 | // @codingStandardsIgnoreStart |
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65 | $resource = @openssl_x509_read( $certificate ); |
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66 | // @codingStandardsIgnoreEnd |
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67 | |||
68 | if ( false === $resource ) { |
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69 | return false; |
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70 | } |
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71 | |||
72 | $output = null; |
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73 | |||
74 | $result = openssl_x509_export( $resource, $output ); |
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75 | |||
76 | if ( false === $result ) { |
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77 | return false; |
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78 | } |
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79 | |||
80 | $output = str_replace( self::CERTIFICATE_BEGIN, '', $output ); |
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81 | $output = str_replace( self::CERTIFICATE_END, '', $output ); |
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82 | |||
83 | // Base64 decode |
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84 | // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_decode |
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85 | $fingerprint = base64_decode( $output ); |
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86 | |||
87 | // Hash |
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88 | if ( null !== $hash ) { |
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89 | $fingerprint = hash( $hash, $fingerprint ); |
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90 | } |
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91 | |||
92 | /* |
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93 | * Uppercase |
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94 | * |
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95 | * Cannot find private certificate file with fingerprint: b4845cb5cbcee3e1e0afef2662552a2365960e72 |
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96 | * (Note: Some acquirers only accept fingerprints in uppercase. Make the value of "KeyName" in your XML data uppercase.). |
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97 | * https://www.ideal-checkout.nl/simulator/ |
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98 | * |
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99 | * @since 1.1.11 |
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100 | */ |
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101 | $fingerprint = strtoupper( $fingerprint ); |
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102 | |||
103 | return $fingerprint; |
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104 | } |
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105 | } |
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106 |