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<?php |
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/** |
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* Copyright (c) 2014 Robin Appelman <[email protected]> |
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* This file is licensed under the Licensed under the MIT license: |
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* http://opensource.org/licenses/MIT |
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*/ |
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namespace Icewind\SMB; |
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use Icewind\SMB\Exception\AuthenticationException; |
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use Icewind\SMB\Exception\ConnectException; |
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use Icewind\SMB\Exception\ConnectionException; |
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use Icewind\SMB\Exception\InvalidHostException; |
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use Icewind\SMB\Exception\NoLoginServerException; |
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class Connection extends RawConnection { |
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const DELIMITER = 'smb:'; |
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/** |
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* send input to smbclient |
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* |
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* @param string $input |
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*/ |
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public function write($input) { |
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parent::write($input . PHP_EOL); |
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} |
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/** |
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* get all unprocessed output from smbclient until the next prompt |
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* |
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* @param callable $callback (optional) callback to call for every line read |
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* @return string |
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* @throws AuthenticationException |
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* @throws ConnectException |
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* @throws ConnectionException |
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* @throws InvalidHostException |
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* @throws NoLoginServerException |
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*/ |
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public function read(callable $callback = null) { |
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if (!$this->isValid()) { |
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throw new ConnectionException('Connection not valid'); |
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} |
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$promptLine = $this->readLine(); //first line is prompt |
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$this->checkConnectionError($promptLine); |
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$output = array(); |
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$line = $this->readLine(); |
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if ($line === false) { |
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$this->unknownError($promptLine); |
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} |
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$length = mb_strlen(self::DELIMITER); |
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while (mb_substr($line, 0, $length) !== self::DELIMITER && $line !== false) { //next prompt functions as delimiter |
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if (is_callable($callback)) { |
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$result = $callback($line); |
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if ($result === false) { // allow the callback to close the connection for infinite running commands |
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$this->close(true); |
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} |
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} else { |
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$output[] .= $line; |
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} |
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$line = $this->readLine(); |
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} |
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return $output; |
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} |
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/** |
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* @param string $promptLine (optional) prompt line that might contain some info about the error |
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* @throws ConnectException |
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*/ |
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private function unknownError($promptLine = '') { |
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if ($promptLine) { //maybe we have some error we missed on the previous line |
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throw new ConnectException('Unknown error (' . $promptLine . ')'); |
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} else { |
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$error = $this->readError(); // maybe something on stderr |
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if ($error) { |
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throw new ConnectException('Unknown error (' . $error . ')'); |
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} else { |
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throw new ConnectException('Unknown error'); |
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} |
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} |
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} |
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/** |
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* check if the first line holds a connection failure |
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* |
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* @param $line |
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* @throws AuthenticationException |
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* @throws InvalidHostException |
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* @throws NoLoginServerException |
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*/ |
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private function checkConnectionError($line) { |
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$line = rtrim($line, ')'); |
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if (substr($line, -23) === ErrorCodes::LogonFailure) { |
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throw new AuthenticationException('Invalid login'); |
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} |
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if (substr($line, -26) === ErrorCodes::BadHostName) { |
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throw new InvalidHostException('Invalid hostname'); |
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} |
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if (substr($line, -22) === ErrorCodes::Unsuccessful) { |
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throw new InvalidHostException('Connection unsuccessful'); |
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} |
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if (substr($line, -28) === ErrorCodes::ConnectionRefused) { |
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throw new InvalidHostException('Connection refused'); |
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} |
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if (substr($line, -26) === ErrorCodes::NoLogonServers) { |
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throw new NoLoginServerException('No login server'); |
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} |
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} |
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public function close($terminate = true) { |
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if (is_resource($this->getInputStream())) { |
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$this->write('close' . PHP_EOL); |
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} |
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parent::close($terminate); |
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} |
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} |
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icewind1991 /
SMB
