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<?php |
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namespace Pronamic\WordPress\Pay\Gateways\IDealAdvancedV3; |
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/** |
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* Title: Security |
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* Description: |
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* Copyright: 2005-2020 Pronamic |
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* Company: Pronamic |
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* |
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* @author Remco Tolsma |
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* @version 2.0.0 |
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* @since 1.0.0 |
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*/ |
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class Security { |
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/** |
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* Indicator for the begin of an certificate |
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* |
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* @var string |
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*/ |
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const CERTIFICATE_BEGIN = '-----BEGIN CERTIFICATE-----'; |
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/** |
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* Indicator for the end of an certificate |
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* |
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* @var string |
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*/ |
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const CERTIFICATE_END = '-----END CERTIFICATE-----'; |
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/** |
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* Get the sha1 fingerprint from the specified certificate |
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* |
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* @param string $certificate |
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* |
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* @return string Fingerprint or null on failure |
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*/ |
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public static function get_sha_fingerprint( $certificate ) { |
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return self::get_fingerprint( $certificate, 'sha1' ); |
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} |
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/** |
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* Get the md5 fingerprint from the specified certificate |
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* |
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* @param string $certificate |
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* |
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* @return string Fingerprint or null on failure |
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*/ |
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public static function get_md5_fingerprint( $certificate ) { |
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return self::get_fingerprint( $certificate, 'md5' ); |
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} |
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/** |
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* Get the fingerprint from the specified certificate |
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* |
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* @param string $certificate |
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* |
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* @return string Fingerprint or null on failure |
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*/ |
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public static function get_fingerprint( $certificate, $hash = null ) { |
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$fingerprint = null; |
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// The openssl_x509_read() function will throw an warning if the supplied |
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// parameter cannot be coerced into an X509 certificate |
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// @codingStandardsIgnoreStart |
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$resource = @openssl_x509_read( $certificate ); |
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// @codingStandardsIgnoreEnd |
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if ( false === $resource ) { |
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return false; |
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} |
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$output = null; |
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$result = openssl_x509_export( $resource, $output ); |
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if ( false === $result ) { |
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return false; |
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} |
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$output = str_replace( self::CERTIFICATE_BEGIN, '', $output ); |
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$output = str_replace( self::CERTIFICATE_END, '', $output ); |
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// Base64 decode |
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// phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_decode |
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$fingerprint = base64_decode( $output ); |
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// Hash |
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if ( null !== $hash ) { |
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$fingerprint = hash( $hash, $fingerprint ); |
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} |
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/* |
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* Uppercase |
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* |
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* Cannot find private certificate file with fingerprint: b4845cb5cbcee3e1e0afef2662552a2365960e72 |
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* (Note: Some acquirers only accept fingerprints in uppercase. Make the value of "KeyName" in your XML data uppercase.). |
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* https://www.ideal-checkout.nl/simulator/ |
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* |
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* @since 1.1.11 |
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*/ |
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$fingerprint = strtoupper( $fingerprint ); |
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return $fingerprint; |
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} |
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} |
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