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<?php |
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/** |
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* Created by PhpStorm. |
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* User: Alexandre |
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* Date: 10/03/2018 |
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* Time: 15:59 |
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*/ |
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namespace OAuth2; |
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abstract class Helper |
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{ |
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const CHARS = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; |
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const LENGTH = 22; |
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public static function containsNotAsciiChar(string $string) |
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{ |
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return preg_match('/[^\x20-\x7e]/', $string); |
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} |
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public static function generateToken($length = self::LENGTH) |
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{ |
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$token = ''; |
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for ($i = 0; $i < $length; ++$i) { |
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$token .= self::CHARS[random_int(0, strlen(self::CHARS) - 1)]; |
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} |
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return $token; |
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} |
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public static function pemToInline($pem) { |
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$pem = str_replace('-----BEGIN PUBLIC KEY-----', '', $pem); |
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$pem = str_replace('-----END PUBLIC KEY-----', '', $pem); |
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$pem = str_replace("\n", '', $pem); |
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return $pem; |
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} |
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public static function certToArray($cert) { |
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return [ |
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'kty' => 'RSA', |
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'alg' => 'RSA256', |
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'use' => 'sig', |
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'kid' => $cert->getKid(), |
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'n' => $cert->getN(), |
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'e' => $cert->getE(), |
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'x5c' => self::pemToInline($cert->getPublicKey()) |
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]; |
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} |
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public static function generateRSAKeys() { |
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$config = array( |
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"digest_alg" => "sha512", |
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"private_key_bits" => 4096, |
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"private_key_type" => OPENSSL_KEYTYPE_RSA, |
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); |
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// Create the private and public key |
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$res = openssl_pkey_new($config); |
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// Extract the private key from $res to $privKey |
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openssl_pkey_export($res, $privKey); |
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// Extract the public key from $res to $pubKey |
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$details = openssl_pkey_get_details($res); |
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$pubKey = $details["key"]; |
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return ['privKey' => $privKey, 'pubKey' => $pubKey, 'rsa' => $details['rsa']]; |
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} |
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} |
php-guard /
oauth-server
