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, 350 insertions, 0 deletions

diff --git a/lib/Zend/Mail/Transport/Abstract.php b/lib/Zend/Mail/Transport/Abstract.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 Transport
+ * @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: Abstract.php 8064 2008-02-16 10:58:39Z thomas $
+ */
+
+
+/**
+ * @see Zend_Mime
+ */
+require_once 'Zend/Mime.php';
+
+
+/**
+ * Abstract for sending eMails through different
+ * ways of transport
+ *
+ * @category   Zend
+ * @package    Zend_Mail
+ * @subpackage Transport
+ * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+abstract class Zend_Mail_Transport_Abstract 
+{
+    /**
+     * Mail body
+     * @var string
+     * @access public
+     */
+    public $body = '';
+
+    /**
+     * MIME boundary
+     * @var string
+     * @access public
+     */
+    public $boundary = '';
+
+    /**
+     * Mail header string
+     * @var string
+     * @access public
+     */
+    public $header = '';
+
+    /**
+     * Array of message headers
+     * @var array
+     * @access protected
+     */
+    protected $_headers = array();
+
+    /**
+     * Message is a multipart message
+     * @var boolean
+     * @access protected
+     */
+    protected $_isMultipart = false;
+
+    /**
+     * Zend_Mail object
+     * @var false|Zend_Mail
+     * @access protected
+     */
+    protected $_mail = false;
+
+    /**
+     * Array of message parts
+     * @var array
+     * @access protected
+     */
+    protected $_parts = array();
+
+    /**
+     * Recipients string
+     * @var string
+     * @access public
+     */
+    public $recipients = '';
+
+    /**
+     * EOL character string used by transport
+     * @var string
+     * @access public
+     */
+    public $EOL = "\r\n";
+
+    /**
+     * Send an email independent from the used transport
+     *
+     * The requisite information for the email will be found in the following
+     * properties:
+     *
+     * - {@link $recipients} - list of recipients (string)
+     * - {@link $header} - message header
+     * - {@link $body} - message body
+     */
+    abstract protected function _sendMail();
+
+    /**
+     * Return all mail headers as an array
+     *
+     * If a boundary is given, a multipart header is generated with a
+     * Content-Type of either multipart/alternative or multipart/mixed depending
+     * on the mail parts present in the {@link $_mail Zend_Mail object} present.
+     *
+     * @param string $boundary
+     * @return array
+     */
+    protected function _getHeaders($boundary)
+    {
+        if (null !== $boundary) {
+            // Build multipart mail
+            $type = $this->_mail->getType();
+            if (!$type) {
+                if ($this->_mail->hasAttachments) {
+                    $type = Zend_Mime::MULTIPART_MIXED;
+                } elseif ($this->_mail->getBodyText() && $this->_mail->getBodyHtml()) {
+                    $type = Zend_Mime::MULTIPART_ALTERNATIVE;
+                } else {
+                    $type = Zend_Mime::MULTIPART_MIXED;
+                }
+            }
+
+            $this->_headers['Content-Type'] = array(
+                $type . '; charset="' . $this->_mail->getCharset() . '";'
+                . $this->EOL
+                . " " . 'boundary="' . $boundary . '"'
+            );
+            $this->_headers['MIME-Version'] = array('1.0');
+
+            $this->boundary = $boundary;
+        }
+
+        return $this->_headers;
+    }
+
+    /**
+     * Prepend header name to header value
+     *
+     * @param string $item
+     * @param string $key
+     * @param string $prefix
+     * @static
+     * @access protected
+     * @return void
+     */
+    protected static function _formatHeader(&$item, $key, $prefix)
+    {
+        $item = $prefix . ': ' . $item;
+    }
+
+    /**
+     * Prepare header string for use in transport
+     *
+     * Prepares and generates {@link $header} based on the headers provided.
+     *
+     * @param mixed $headers
+     * @access protected
+     * @return void
+     * @throws Zend_Mail_Transport_Exception if any header lines exceed 998
+     * characters
+     */
+    protected function _prepareHeaders($headers)
+    {
+        if (!$this->_mail) {
+            /**
+             * @see Zend_Mail_Transport_Exception
+             */
+            require_once 'Zend/Mail/Transport/Exception.php';
+            throw new Zend_Mail_Transport_Exception('Missing Zend_Mail object in _mail property');
+        }
+
+        $this->header = '';
+
+        foreach ($headers as $header => $content) {
+            if (isset($content['append'])) {
+                unset($content['append']);
+                $value = implode(',' . $this->EOL . ' ', $content);
+                $this->header .= $header . ': ' . $value . $this->EOL;
+            } else {
+                array_walk($content, array(get_class($this), '_formatHeader'), $header);
+                $this->header .= implode($this->EOL, $content) . $this->EOL;
+            }
+        }
+
+        // Sanity check on headers -- should not be > 998 characters
+        $sane = true;
+        foreach (explode($this->EOL, $this->header) as $line) {
+            if (strlen(trim($line)) > 998) {
+                $sane = false;
+                break;
+            }
+        }
+        if (!$sane) {
+            /**
+             * @see Zend_Mail_Transport_Exception
+             */
+            require_once 'Zend/Mail/Transport/Exception.php';
+            throw new Zend_Mail_Exception('At least one mail header line is too long');
+        }
+    }
+
+    /**
+     * Generate MIME compliant message from the current configuration
+     *
+     * If both a text and HTML body are present, generates a
+     * multipart/alternative Zend_Mime_Part containing the headers and contents
+     * of each. Otherwise, uses whichever of the text or HTML parts present.
+     *
+     * The content part is then prepended to the list of Zend_Mime_Parts for
+     * this message.
+     *
+     * @return void
+     */
+    protected function _buildBody()
+    {
+        if (($text = $this->_mail->getBodyText())
+            && ($html = $this->_mail->getBodyHtml()))
+        {
+            // Generate unique boundary for multipart/alternative
+            $mime = new Zend_Mime(null);
+            $boundaryLine = $mime->boundaryLine($this->EOL);
+            $boundaryEnd  = $mime->mimeEnd($this->EOL);
+
+            $text->disposition = false;
+            $html->disposition = false;
+
+            $body = $boundaryLine
+                  . $text->getHeaders($this->EOL)
+                  . $this->EOL
+                  . $text->getContent($this->EOL)
+                  . $this->EOL
+                  . $boundaryLine
+                  . $html->getHeaders($this->EOL)
+                  . $this->EOL
+                  . $html->getContent($this->EOL)
+                  . $this->EOL
+                  . $boundaryEnd;
+
+            $mp           = new Zend_Mime_Part($body);
+            $mp->type     = Zend_Mime::MULTIPART_ALTERNATIVE;
+            $mp->boundary = $mime->boundary();
+
+            $this->_isMultipart = true;
+
+            // Ensure first part contains text alternatives
+            array_unshift($this->_parts, $mp);
+
+            // Get headers
+            $this->_headers = $this->_mail->getHeaders();
+            return;
+        }
+
+        // If not multipart, then get the body
+        if (false !== ($body = $this->_mail->getBodyHtml())) {
+            array_unshift($this->_parts, $body);
+        } elseif (false !== ($body = $this->_mail->getBodyText())) {
+            array_unshift($this->_parts, $body);
+        }
+
+        if (!$body) {
+            /**
+             * @see Zend_Mail_Transport_Exception
+             */
+            require_once 'Zend/Mail/Transport/Exception.php';
+            throw new Zend_Mail_Transport_Exception('No body specified');
+        }
+
+        // Get headers
+        $this->_headers = $this->_mail->getHeaders();
+        $headers = $body->getHeadersArray($this->EOL);
+        foreach ($headers as $header) {
+            // Headers in Zend_Mime_Part are kept as arrays with two elements, a
+            // key and a value
+            $this->_headers[$header[0]] = array($header[1]);
+        }
+    }
+
+    /**
+     * Send a mail using this transport
+     *
+     * @param  Zend_Mail $mail
+     * @access public
+     * @return void
+     * @throws Zend_Mail_Transport_Exception if mail is empty
+     */
+    public function send(Zend_Mail $mail)
+    {
+        $this->_isMultipart = false;
+        $this->_mail        = $mail;
+        $this->_parts       = $mail->getParts();
+        $mime               = $mail->getMime();
+
+        // Build body content
+        $this->_buildBody();
+
+        // Determine number of parts and boundary
+        $count    = count($this->_parts);
+        $boundary = null;
+        if ($count < 1) {
+            /**
+             * @see Zend_Mail_Transport_Exception
+             */
+            require_once 'Zend/Mail/Transport/Exception.php';
+            throw new Zend_Mail_Transport_Exception('Empty mail cannot be sent');
+        }
+
+        if ($count > 1) {
+            // Multipart message; create new MIME object and boundary
+            $mime     = new Zend_Mime($this->_mail->getMimeBoundary());
+            $boundary = $mime->boundary();
+        } elseif ($this->_isMultipart) {
+            // multipart/alternative -- grab boundary
+            $boundary = $this->_parts[0]->boundary;
+        }
+
+        // Determine recipients, and prepare headers
+        $this->recipients = implode(',', $mail->getRecipients());
+        $this->_prepareHeaders($this->_getHeaders($boundary));
+
+        // Create message body
+        // This is done so that the same Zend_Mail object can be used in
+        // multiple transports
+        $message = new Zend_Mime_Message();
+        $message->setParts($this->_parts);
+        $message->setMime($mime);
+        $this->body = $message->generateMessage($this->EOL);
+
+        // Send to transport!
+        $this->_sendMail();
+    }
+}