From c53d8d026021f97075fb2f4940ba22793c38fb6e Mon Sep 17 00:00:00 2001 From: davehauenstein Date: Wed, 15 Apr 2009 22:06:42 +0000 Subject: added toolbar; functionality includes refresh button to get back to original page, print article, email a link to the article with a personal note git-svn-id: http://arc90labs-readability.googlecode.com/svn/trunk@31 d4e419ec-0920-11de-bbfd-a7c1bc4c261e --- lib/Zend/Mail/Protocol/Abstract.php | 385 ++++++++++++++++++++++++++++++++++++ 1 file changed, 385 insertions(+) create mode 100644 lib/Zend/Mail/Protocol/Abstract.php (limited to 'lib/Zend/Mail/Protocol/Abstract.php') diff --git a/lib/Zend/Mail/Protocol/Abstract.php b/lib/Zend/Mail/Protocol/Abstract.php new file mode 100644 index 0000000..cfb1f42 --- /dev/null +++ b/lib/Zend/Mail/Protocol/Abstract.php @@ -0,0 +1,385 @@ +_validHost = new Zend_Validate(); + $this->_validHost->addValidator(new Zend_Validate_Hostname(Zend_Validate_Hostname::ALLOW_ALL)); + + if (!$this->_validHost->isValid($host)) { + /** + * @see Zend_Mail_Protocol_Exception + */ + require_once 'Zend/Mail/Protocol/Exception.php'; + throw new Zend_Mail_Protocol_Exception(join(', ', $this->_validHost->getMessages())); + } + + $this->_host = $host; + $this->_port = $port; + } + + + /** + * Class destructor to cleanup open resources + * + * @return void + */ + public function __destruct() + { + $this->_disconnect(); + } + + + /** + * Create a connection to the remote host + * + * Concrete adapters for this class will implement their own unique connect scripts, using the _connect() method to create the socket resource. + */ + abstract public function connect(); + + + /** + * Retrieve the last client request + * + * @return string + */ + public function getRequest() + { + return $this->_request; + } + + + /** + * Retrieve the last server response + * + * @return array + */ + public function getResponse() + { + return $this->_response; + } + + + /** + * Retrieve the transaction log + * + * @return string + */ + public function getLog() + { + return $this->_log; + } + + + /** + * Reset the transaction log + * + * @return void + */ + public function resetLog() + { + $this->_log = ''; + } + + + /** + * Connect to the server using the supplied transport and target + * + * An example $remote string may be 'tcp://mail.example.com:25' or 'ssh://hostname.com:2222' + * + * @param string $remote Remote + * @throws Zend_Mail_Protocol_Exception + * @return boolean + */ + protected function _connect($remote) + { + $errorNum = 0; + $errorStr = ''; + + // open connection + $this->_socket = @stream_socket_client($remote, $errorNum, $errorStr, self::TIMEOUT_CONNECTION); + + if ($this->_socket === false) { + if ($errorNum == 0) { + $errorStr = 'Could not open socket'; + } + /** + * @see Zend_Mail_Protocol_Exception + */ + require_once 'Zend/Mail/Protocol/Exception.php'; + throw new Zend_Mail_Protocol_Exception($errorStr); + } + + if (($result = stream_set_timeout($this->_socket, self::TIMEOUT_CONNECTION)) === false) { + /** + * @see Zend_Mail_Protocol_Exception + */ + require_once 'Zend/Mail/Protocol/Exception.php'; + throw new Zend_Mail_Protocol_Exception('Could not set stream timeout'); + } + + return $result; + } + + + /** + * Disconnect from remote host and free resource + * + * @return void + */ + protected function _disconnect() + { + if (is_resource($this->_socket)) { + fclose($this->_socket); + } + } + + + /** + * Send the given request followed by a LINEEND to the server. + * + * @param string $request + * @throws Zend_Mail_Protocol_Exception + * @return integer|boolean Number of bytes written to remote host + */ + protected function _send($request) + { + if (!is_resource($this->_socket)) { + /** + * @see Zend_Mail_Protocol_Exception + */ + require_once 'Zend/Mail/Protocol/Exception.php'; + throw new Zend_Mail_Protocol_Exception('No connection has been established to ' . $this->_host); + } + + $this->_request = $request; + + $result = fwrite($this->_socket, $request . self::EOL); + + // Save request to internal log + $this->_log .= $request . self::EOL; + + if ($result === false) { + /** + * @see Zend_Mail_Protocol_Exception + */ + require_once 'Zend/Mail/Protocol/Exception.php'; + throw new Zend_Mail_Protocol_Exception('Could not send request to ' . $this->_host); + } + + return $result; + } + + + /** + * Get a line from the stream. + * + * @var integer $timeout Per-request timeout value if applicable + * @throws Zend_Mail_Protocol_Exception + * @return string + */ + protected function _receive($timeout = null) + { + if (!is_resource($this->_socket)) { + /** + * @see Zend_Mail_Protocol_Exception + */ + require_once 'Zend/Mail/Protocol/Exception.php'; + throw new Zend_Mail_Protocol_Exception('No connection has been established to ' . $this->_host); + } + + // Adapters may wish to supply per-commend timeouts according to appropriate RFC + if ($timeout !== null) { + stream_set_timeout($this->_socket, $timeout); + } + + // Retrieve response + $reponse = fgets($this->_socket, 1024); + + // Save request to internal log + $this->_log .= $reponse; + + // Check meta data to ensure connection is still valid + $info = stream_get_meta_data($this->_socket); + + if (!empty($info['timed_out'])) { + /** + * @see Zend_Mail_Protocol_Exception + */ + require_once 'Zend/Mail/Protocol/Exception.php'; + throw new Zend_Mail_Protocol_Exception($this->_host . ' has timed out'); + } + + if ($reponse === false) { + /** + * @see Zend_Mail_Protocol_Exception + */ + require_once 'Zend/Mail/Protocol/Exception.php'; + throw new Zend_Mail_Protocol_Exception('Could not read from ' . $this->_host); + } + + return $reponse; + } + + + /** + * Parse server response for successful codes + * + * Read the response from the stream and check for expected return code. + * Throws a Zend_Mail_Protocol_Exception if an unexpected code is returned. + * + * @param string|array $code One or more codes that indicate a successful response + * @throws Zend_Mail_Protocol_Exception + * @return string Last line of response string + */ + protected function _expect($code, $timeout = null) + { + $this->_response = array(); + $cmd = ''; + $msg = ''; + + if (!is_array($code)) { + $code = array($code); + } + + do { + $this->_response[] = $result = $this->_receive($timeout); + sscanf($result, $this->_template, $cmd, $msg); + + if ($cmd === null || !in_array($cmd, $code)) { + /** + * @see Zend_Mail_Protocol_Exception + */ + require_once 'Zend/Mail/Protocol/Exception.php'; + throw new Zend_Mail_Protocol_Exception($result); + } + + } while (strpos($msg, '-') === 0); // The '-' message prefix indicates an information string instead of a response string. + + return $msg; + } +} -- cgit v1.2.3