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<?php |
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declare(strict_types=1); |
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namespace SimpleSAML\XMLSecurity\Utils; |
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use SimpleSAML\XMLSecurity\Exception\InvalidArgumentException; |
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use function array_unshift; |
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use function chunk_split; |
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use function implode; |
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use function is_array; |
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use function preg_match; |
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/** |
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* Collection of Utility functions specifically for certificates |
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*/ |
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class Certificate |
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{ |
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/** |
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* The pattern that the contents of a certificate should adhere to |
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*/ |
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public const CERTIFICATE_PATTERN = '/^-----BEGIN CERTIFICATE-----([^-]*)^-----END CERTIFICATE-----/m'; |
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public const PUBLIC_KEY_PATTERN = '/^-----BEGIN PUBLIC KEY-----([^-]*)^-----END PUBLIC KEY-----/m'; |
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public const PRIVATE_KEY_PATTERN = '/^-----BEGIN RSA PRIVATE KEY-----([^-]*)^-----END RSA PRIVATE KEY-----/m'; |
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/** |
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* @param string $certificate |
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* @param string $pattern |
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* |
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* @return bool |
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*/ |
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public static function hasValidStructure(string $certificate, string $pattern = self::PUBLIC_KEY_PATTERN): bool |
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{ |
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return !!preg_match($pattern, $certificate); |
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} |
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/** |
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* @param string $X509CertificateContents |
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* |
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* @return string |
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*/ |
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public static function convertToCertificate(string $X509CertificateContents): string |
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{ |
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return "-----BEGIN CERTIFICATE-----\n" |
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. chunk_split($X509CertificateContents, 64, "\n") |
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. "-----END CERTIFICATE-----"; |
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} |
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/** |
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* @param array<string, mixed>|string $issuer |
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* |
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* @return string |
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*/ |
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public static function parseIssuer(array|string $issuer): string |
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{ |
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if (is_array($issuer)) { |
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$parts = []; |
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foreach ($issuer as $key => $value) { |
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array_unshift($parts, $key . '=' . $value); |
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} |
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return implode(',', $parts); |
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} |
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return $issuer; |
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} |
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/** |
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* @param string $key The PEM-encoded key |
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* @param string $pattern The pattern to use |
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* @return string The stripped key |
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*/ |
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public static function stripHeaders(string $key, string $pattern = self::PUBLIC_KEY_PATTERN): string |
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{ |
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$matches = []; |
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$result = preg_match($pattern, $key, $matches); |
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if ($result === false) { |
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throw new InvalidArgumentException('Could not find content matching the provided pattern.'); |
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} |
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return preg_replace('/\s+/', '', $matches[1]); |
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} |
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} |
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simplesamlphp /
xml-security
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