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<?php |
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namespace LE_ACME2\Authorizer; |
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use LE_ACME2\Request; |
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use LE_ACME2\Response; |
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use LE_ACME2\Struct\ChallengeAuthorizationKey; |
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use LE_ACME2\Utilities; |
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use LE_ACME2\Exception; |
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use LE_ACME2\Order; |
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class HTTP extends AbstractAuthorizer { |
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const TEST_TOKEN = 'test-token'; |
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const TEST_CHALLENGE = 'test-challenge'; |
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protected static $_directoryPath = null; |
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public static function setDirectoryPath(string $directoryPath) { |
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if(!file_exists($directoryPath)) { |
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throw new \RuntimeException('HTTP authorization directory path does not exist'); |
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} |
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self::$_directoryPath = realpath($directoryPath) . DIRECTORY_SEPARATOR; |
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if(!file_exists(self::$_directoryPath . 'test-token')) { |
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file_put_contents(self::$_directoryPath . self::TEST_TOKEN, self::TEST_CHALLENGE); |
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} |
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} |
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public static function getDirectoryPath() : ?string { |
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return self::$_directoryPath; |
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} |
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protected function _getChallengeType(): string { |
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return Order::CHALLENGE_TYPE_HTTP; |
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} |
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/** |
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* @param Response\Authorization\Struct\Challenge $challenge |
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* @param Response\Authorization\Get $authorizationResponse |
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* @return bool |
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* |
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* @throws Exception\AuthorizationInvalid |
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* @throws Exception\ExpiredAuthorization |
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* @throws Exception\InvalidResponse |
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* @throws Exception\RateLimitReached |
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*/ |
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protected function _existsNotValidChallenges(Response\Authorization\Struct\Challenge $challenge, |
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Response\Authorization\Get $authorizationResponse |
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) : bool { |
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Utilities\Logger::getInstance()->add( |
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Utilities\Logger::LEVEL_DEBUG, |
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'Challenge "' . $challenge->token . '" has status:' . $challenge->status |
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); |
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if($challenge->status == Response\Authorization\Struct\Challenge::STATUS_PENDING) { |
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$this->_writeToFile($challenge); |
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if($this->_validateFile($authorizationResponse->getIdentifier()->value, $challenge)) { |
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$request = new Request\Authorization\Start($this->_account, $this->_order, $challenge); |
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/* $response = */ $request->getResponse(); |
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} else { |
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Utilities\Logger::getInstance()->add(Utilities\Logger::LEVEL_INFO, 'Could not validate HTTP Authorization file'); |
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} |
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} |
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if($challenge->status == Response\Authorization\Struct\Challenge::STATUS_INVALID) { |
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throw new Exception\HTTPAuthorizationInvalid( |
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'Received status "' . Response\Authorization\Struct\Challenge::STATUS_INVALID . '" while challenge should be verified' |
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); |
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} |
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return parent::_existsNotValidChallenges($challenge, $authorizationResponse); |
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} |
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private function _writeToFile(Response\Authorization\Struct\Challenge $challenge) : void { |
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file_put_contents( |
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self::$_directoryPath . $challenge->token, |
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(new ChallengeAuthorizationKey($this->_account))->get($challenge->token) |
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); |
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} |
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/** |
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* @param string $domain |
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* @param Response\Authorization\Struct\Challenge $challenge |
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* @return bool |
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* |
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* @throws Exception\HTTPAuthorizationInvalid |
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*/ |
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private function _validateFile(string $domain, Response\Authorization\Struct\Challenge $challenge) : bool { |
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$challengeAuthorizationKey = new ChallengeAuthorizationKey($this->_account); |
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$expectedResponse = $challengeAuthorizationKey->get($challenge->token); |
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$response = Utilities\ChallengeHTTP::fetch($domain, $challenge->token); |
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if($response != $expectedResponse) { |
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throw new Exception\HTTPAuthorizationInvalid( |
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'HTTP challenge for "' . $domain . '"": ' . |
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$domain . '/.well-known/acme-challenge/' . $challenge->token . |
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' tested, found invalid.' . PHP_EOL . |
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'- Expected: ' . var_export($expectedResponse, true) . PHP_EOL . |
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'- Response: ' . var_export($response, true) |
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); |
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} |
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return true; |
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} |
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} |
fbett /
le-acme2-php
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