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

1 files changed, 443 insertions, 0 deletions

diff --git a/lib/Zend/Mail/Protocol/Smtp.php b/lib/Zend/Mail/Protocol/Smtp.php
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+<?php
+
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ * 
+ * @category   Zend
+ * @package    Zend_Mail
+ * @subpackage Protocol
+ * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Smtp.php 11196 2008-09-02 00:56:25Z yoshida@zend.co.jp $
+ */
+
+
+/**
+ * @see Zend_Mime
+ */
+require_once 'Zend/Mime.php';
+
+
+/**
+ * @see Zend_Mail_Protocol_Abstract
+ */
+require_once 'Zend/Mail/Protocol/Abstract.php';
+
+
+/**
+ * Smtp implementation of Zend_Mail_Protocol_Abstract
+ *
+ * Minimum implementation according to RFC2821: EHLO, MAIL FROM, RCPT TO, DATA, RSET, NOOP, QUIT
+ * 
+ * @category   Zend
+ * @package    Zend_Mail
+ * @subpackage Protocol
+ * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Mail_Protocol_Smtp extends Zend_Mail_Protocol_Abstract
+{
+    /**
+     * The transport method for the socket
+     *
+     * @var string
+     */
+    protected $_transport = 'tcp';
+
+
+    /**
+     * Indicates that a session is requested to be secure
+     *
+     * @var string
+     */
+    protected $_secure;
+
+
+    /**
+     * Indicates an smtp session has been started by the HELO command
+     *
+     * @var boolean
+     */
+    protected $_sess = false;
+
+
+    /**
+     * Indicates the HELO command has been issues
+     *
+     * @var unknown_type
+     */
+    protected $_helo = false;
+
+
+    /**
+     * Indicates an smtp AUTH has been issued and authenticated
+     *
+     * @var unknown_type
+     */
+    protected $_auth = false;
+
+
+    /**
+     * Indicates a MAIL command has been issued
+     *
+     * @var unknown_type
+     */
+    protected $_mail = false;
+
+
+    /**
+     * Indicates one or more RCTP commands have been issued
+     *
+     * @var unknown_type
+     */
+    protected $_rcpt = false;
+
+
+    /**
+     * Indicates that DATA has been issued and sent
+     *
+     * @var unknown_type
+     */
+    protected $_data = null;
+
+
+    /**
+     * Constructor.
+     *
+     * @param  string  $host
+     * @param  integer $port
+     * @param  array   $config
+     * @return void
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function __construct($host = '127.0.0.1', $port = null, array $config = array())
+    {
+        if (isset($config['ssl'])) {
+            switch (strtolower($config['ssl'])) {
+                case 'tls':
+                    $this->_secure = 'tls';
+                    break;
+
+                case 'ssl':
+                    $this->_transport = 'ssl';
+                    $this->_secure = 'ssl';
+                    if ($port == null) {
+                        $port = 465;
+                    }
+                    break;
+
+                default:
+                    /**
+                     * @see Zend_Mail_Protocol_Exception
+                     */
+                    require_once 'Zend/Mail/Protocol/Exception.php';
+                    throw new Zend_Mail_Protocol_Exception($config['ssl'] . ' is unsupported SSL type');
+                    break;
+            }
+        }
+
+        // If no port has been specified then check the master PHP ini file. Defaults to 25 if the ini setting is null.
+        if ($port == null) {
+            if (($port = ini_get('smtp_port')) == '') {
+                $port = 25;
+            }
+        }
+
+        parent::__construct($host, $port);
+    }
+
+
+    /**
+     * Connect to the server with the parameters given in the constructor.
+     *
+     * @return boolean
+     */
+    public function connect()
+    {
+        return $this->_connect($this->_transport . '://' . $this->_host . ':'. $this->_port);
+    }
+
+
+    /**
+     * Initiate HELO/EHLO sequence and set flag to indicate valid smtp session
+     *
+     * @param  string $host The client hostname or IP address (default: 127.0.0.1)
+     * @throws Zend_Mail_Protocol_Exception
+     * @return void
+     */
+    public function helo($host = '127.0.0.1')
+    {
+        // Respect RFC 2821 and disallow HELO attempts if session is already initiated.
+        if ($this->_sess === true) {
+            /**
+             * @see Zend_Mail_Protocol_Exception
+             */
+            require_once 'Zend/Mail/Protocol/Exception.php';
+            throw new Zend_Mail_Protocol_Exception('Cannot issue HELO to existing session');
+        }
+
+        // Validate client hostname
+        if (!$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()));
+        }
+
+        // Initiate helo sequence
+        $this->_expect(220, 300); // Timeout set for 5 minutes as per RFC 2821 4.5.3.2
+        $this->_ehlo($host);
+
+        // If a TLS session is required, commence negotiation
+        if ($this->_secure == 'tls') {
+            $this->_send('STARTTLS');
+            $this->_expect(220, 180);
+            if (!stream_socket_enable_crypto($this->_socket, true, STREAM_CRYPTO_METHOD_TLS_CLIENT)) {
+                /**
+                 * @see Zend_Mail_Protocol_Exception
+                 */
+                require_once 'Zend/Mail/Protocol/Exception.php';
+                throw new Zend_Mail_Protocol_Exception('Unable to connect via TLS');
+            }
+            $this->_ehlo($host);
+        }
+
+        $this->_startSession();
+        $this->auth();
+    }
+
+
+    /**
+     * Send EHLO or HELO depending on capabilities of smtp host
+     *
+     * @param  string $host The client hostname or IP address (default: 127.0.0.1)
+     * @throws Zend_Mail_Protocol_Exception
+     * @return void
+     */
+    protected function _ehlo($host)
+    {
+        // Support for older, less-compliant remote servers. Tries multiple attempts of EHLO or HELO.
+        try {
+            $this->_send('EHLO ' . $host);
+            $this->_expect(250, 300); // Timeout set for 5 minutes as per RFC 2821 4.5.3.2
+        } catch (Zend_Mail_Protocol_Exception $e) {
+            $this->_send('HELO ' . $host);
+            $this->_expect(250, 300); // Timeout set for 5 minutes as per RFC 2821 4.5.3.2
+        } catch (Zend_Mail_Protocol_Exception $e) {
+            throw $e;
+        }
+    }
+
+
+    /**
+     * Issues MAIL command
+     *
+     * @param  string $from Sender mailbox
+     * @throws Zend_Mail_Protocol_Exception
+     * @return void
+     */
+    public function mail($from)
+    {
+        if ($this->_sess !== true) {
+            /**
+             * @see Zend_Mail_Protocol_Exception
+             */
+            require_once 'Zend/Mail/Protocol/Exception.php';
+            throw new Zend_Mail_Protocol_Exception('A valid session has not been started');
+        }
+
+        $this->_send('MAIL FROM:<' . $from . '>');
+        $this->_expect(250, 300); // Timeout set for 5 minutes as per RFC 2821 4.5.3.2
+
+        // Set mail to true, clear recipients and any existing data flags as per 4.1.1.2 of RFC 2821
+        $this->_mail = true;
+        $this->_rcpt = false;
+        $this->_data = false;
+    }
+
+
+    /**
+     * Issues RCPT command
+     *
+     * @param  string $to Receiver(s) mailbox
+     * @throws Zend_Mail_Protocol_Exception
+     * @return void
+     */
+    public function rcpt($to)
+    {
+        if ($this->_mail !== true) {
+            /**
+             * @see Zend_Mail_Protocol_Exception
+             */
+            require_once 'Zend/Mail/Protocol/Exception.php';
+            throw new Zend_Mail_Protocol_Exception('No sender reverse path has been supplied');
+        }
+
+        // Set rcpt to true, as per 4.1.1.3 of RFC 2821
+        $this->_send('RCPT TO:<' . $to . '>');
+        $this->_expect(array(250, 251), 300); // Timeout set for 5 minutes as per RFC 2821 4.5.3.2
+        $this->_rcpt = true;
+    }
+
+
+    /**
+     * Issues DATA command
+     *
+     * @param  string $data
+     * @throws Zend_Mail_Protocol_Exception
+     * @return void
+     */
+    public function data($data)
+    {
+        // Ensure recipients have been set
+        if ($this->_rcpt !== true) {
+            /**
+             * @see Zend_Mail_Protocol_Exception
+             */
+            require_once 'Zend/Mail/Protocol/Exception.php';
+            throw new Zend_Mail_Protocol_Exception('No recipient forward path has been supplied');
+        }
+
+        $this->_send('DATA');
+        $this->_expect(354, 120); // Timeout set for 2 minutes as per RFC 2821 4.5.3.2
+
+        foreach (explode(Zend_Mime::LINEEND, $data) as $line) {
+            if (strpos($line, '.') === 0) {
+                // Escape lines prefixed with a '.'
+                $line = '.' . $line;
+            }
+            $this->_send($line);
+        }
+
+        $this->_send('.');
+        $this->_expect(250, 600); // Timeout set for 10 minutes as per RFC 2821 4.5.3.2
+        $this->_data = true;
+    }
+
+
+    /**
+     * Issues the RSET command end validates answer
+     *
+     * Can be used to restore a clean smtp communication state when a transaction has been cancelled or commencing a new transaction.
+     *
+     * @return void
+     */
+    public function rset()
+    {
+        $this->_send('RSET');
+        // MS ESMTP doesn't follow RFC, see [ZF-1377]
+        $this->_expect(array(250, 220));
+
+        $this->_mail = false;
+        $this->_rcpt = false;
+        $this->_data = false;
+    }
+
+
+    /**
+     * Issues the NOOP command end validates answer
+     *
+     * Not used by Zend_Mail, could be used to keep a connection alive or check if it is still open.
+     *
+     * @return void
+     */
+    public function noop()
+    {
+        $this->_send('NOOP');
+        $this->_expect(250, 300); // Timeout set for 5 minutes as per RFC 2821 4.5.3.2
+    }
+
+
+    /**
+     * Issues the VRFY command end validates answer
+     *
+     * Not used by Zend_Mail.
+     *
+     * @param  string $user User Name or eMail to verify
+     * @return void
+     */
+    public function vrfy($user)
+    {
+        $this->_send('VRFY ' . $user);
+        $this->_expect(array(250, 251, 252), 300); // Timeout set for 5 minutes as per RFC 2821 4.5.3.2
+    }
+
+
+    /**
+     * Issues the QUIT command and clears the current session
+     *
+     * @return void
+     */
+    public function quit()
+    {
+        if ($this->_sess) {
+            $this->_send('QUIT');
+            $this->_expect(221, 300); // Timeout set for 5 minutes as per RFC 2821 4.5.3.2
+            $this->_stopSession();
+        }
+    }
+
+
+    /**
+     * Default authentication method
+     *
+     * This default method is implemented by AUTH adapters to properly authenticate to a remote host.
+     *
+     * @throws Zend_Mail_Protocol_Exception
+     * @return void
+     */
+    public function auth()
+    {
+        if ($this->_auth === true) {
+            /**
+             * @see Zend_Mail_Protocol_Exception
+             */
+            require_once 'Zend/Mail/Protocol/Exception.php';
+            throw new Zend_Mail_Protocol_Exception('Already authenticated for this session');
+        }
+    }
+
+
+    /**
+     * Closes connection
+     *
+     * @return void
+     */
+    public function disconnect()
+    {
+        $this->_disconnect();
+    }
+
+
+    /**
+     * Start mail session
+     *
+     * @return void
+     */
+    protected function _startSession()
+    {
+        $this->_sess = true;
+    }
+
+
+    /**
+     * Stop mail session
+     *
+     * @return void
+     */
+    protected function _stopSession()
+    {
+        $this->_sess = false;
+    }
+}