<?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

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

/**

 * @see Zend_Mail_Transport_Abstract

 */

require_once 'Zend/Mail/Transport/Abstract.php';

/**

 * @see Zend_Mime

 */

require_once 'Zend/Mime.php';

/**

 * @see Zend_Mime_Message

 */

require_once 'Zend/Mime/Message.php';

/**

 * @see Zend_Mime_Part

 */

require_once 'Zend/Mime/Part.php';

/**

 * Class for sending an email.

 *

 * @category   Zend

 * @package    Zend_Mail

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

class Zend_Mail extends Zend_Mime_Message

{

    /**#@+

     * @access protected

     */

    /**

     * @var Zend_Mail_Transport_Abstract

     * @static

     */

    protected static $_defaultTransport = null;

    /**

     * @var array

     * @static

     */

    protected static $_defaultFrom;

    /**

     * @var array

     * @static

     */

    protected static $_defaultReplyTo;

    /**

     * Mail character set

     * @var string

     */

    protected $_charset = 'iso-8859-1';

    /**

     * Mail headers

     * @var array

     */

    protected $_headers = array();

    /**

     * Encoding of Mail headers

     * @var string

     */

    protected $_headerEncoding = Zend_Mime::ENCODING_QUOTEDPRINTABLE;

    /**

     * From: address

     * @var string

     */

    protected $_from = null;

    /**

     * To: addresses

     * @var array

     */

    protected $_to = array();

    /**

     * Array of all recipients

     * @var array

     */

    protected $_recipients = array();

    /**

     * Reply-To header

     * @var string

     */

    protected $_replyTo = null;

    /**

     * Return-Path header

     * @var string

     */

    protected $_returnPath = null;

    /**

     * Subject: header

     * @var string

     */

    protected $_subject = null;

    /**

     * Date: header

     * @var string

     */

    protected $_date = null;

    /**

     * Message-ID: header

     * @var string

     */

    protected $_messageId = null;

    /**

     * text/plain MIME part

     * @var false|Zend_Mime_Part

     */

    protected $_bodyText = false;

    /**

     * text/html MIME part

     * @var false|Zend_Mime_Part

     */

    protected $_bodyHtml = false;

    /**

     * MIME boundary string

     * @var string

     */

    protected $_mimeBoundary = null;

    /**

     * Content type of the message

     * @var string

     */

    protected $_type = null;

    /**#@-*/

    /**

     * Flag: whether or not email has attachments

     * @var boolean

     */

    public $hasAttachments = false;

    /**

     * Sets the default mail transport for all following uses of

     * Zend_Mail::send();

     *

     * @todo Allow passing a string to indicate the transport to load

     * @todo Allow passing in optional options for the transport to load

     * @param  Zend_Mail_Transport_Abstract $transport

     */

    public static function setDefaultTransport(Zend_Mail_Transport_Abstract $transport)

    {

        self::$_defaultTransport = $transport;

    }

    /**

     * Gets the default mail transport for all following uses of

     * unittests

     *

     * @todo Allow passing a string to indicate the transport to load

     * @todo Allow passing in optional options for the transport to load

     */

    public static function getDefaultTransport()

    {

        return self::$_defaultTransport;

    }

    /**

     * Clear the default transport property

     */

    public static function clearDefaultTransport()

    {

        self::$_defaultTransport = null;

    }

    /**

     * Public constructor

     *

     * @param  string $charset

     * @return void

     */

    public function __construct($charset = null)

    {

        if ($charset != null) {

            $this->_charset = $charset;

        }

    }

    /**

     * Return charset string

     *

     * @return string

     */

    public function getCharset()

    {

        return $this->_charset;

    }

    /**

     * Set content type

     *

     * Should only be used for manually setting multipart content types.

     *

     * @param  string $type Content type

     * @return Zend_Mail Implements fluent interface

     * @throws Zend_Mail_Exception for types not supported by Zend_Mime

     */

    public function setType($type)

    {

        $allowed = array(

            Zend_Mime::MULTIPART_ALTERNATIVE,

            Zend_Mime::MULTIPART_MIXED,

            Zend_Mime::MULTIPART_RELATED,

        );

        if (!in_array($type, $allowed)) {

            /**

             * @see Zend_Mail_Exception

             */

            require_once 'Zend/Mail/Exception.php';

            throw new Zend_Mail_Exception('Invalid content type "' . $type . '"');

        }

        $this->_type = $type;

        return $this;

    }

    /**

     * Get content type of the message

     *

     * @return string

     */

    public function getType()

    {

        return $this->_type;

    }

    /**

     * Set an arbitrary mime boundary for the message

     *

     * If not set, Zend_Mime will generate one.

     *

     * @param  string    $boundary

     * @return Zend_Mail Provides fluent interface

     */

    public function setMimeBoundary($boundary)

    {

        $this->_mimeBoundary = $boundary;

        return $this;

    }

    /**

     * Return the boundary string used for the message

     *

     * @return string

     */

    public function getMimeBoundary()

    {

        return $this->_mimeBoundary;

    }

    /**

     * Return encoding of mail headers

     *

     * @deprecated use {@link getHeaderEncoding()} instead

     * @return string

     */

    public function getEncodingOfHeaders()

    {

        return $this->getHeaderEncoding();

    }

    /**

     * Return the encoding of mail headers

     *

     * Either Zend_Mime::ENCODING_QUOTEDPRINTABLE or Zend_Mime::ENCODING_BASE64

     *

     * @return string

     */

    public function getHeaderEncoding()

    {

        return $this->_headerEncoding;

    }

    /**

     * Set the encoding of mail headers

     *

     * @deprecated Use {@link setHeaderEncoding()} instead.

     * @param  string $encoding

     * @return Zend_Mail

     */

    public function setEncodingOfHeaders($encoding)

    {

        return $this->setHeaderEncoding($encoding);

    }

    /**

     * Set the encoding of mail headers

     *

     * @param  string $encoding Zend_Mime::ENCODING_QUOTEDPRINTABLE or Zend_Mime::ENCODING_BASE64

     * @return Zend_Mail Provides fluent interface

     */

    public function setHeaderEncoding($encoding)

    {

        $allowed = array(

            Zend_Mime::ENCODING_BASE64,

            Zend_Mime::ENCODING_QUOTEDPRINTABLE

        );

        if (!in_array($encoding, $allowed)) {

            /**

             * @see Zend_Mail_Exception

             */

            require_once 'Zend/Mail/Exception.php';

            throw new Zend_Mail_Exception('Invalid encoding "' . $encoding . '"');

        }

        $this->_headerEncoding = $encoding;

        return $this;

    }

    /**

     * Sets the text body for the message.

     *

     * @param  string $txt

     * @param  string $charset

     * @param  string $encoding

     * @return Zend_Mail Provides fluent interface

    */

    public function setBodyText($txt, $charset = null, $encoding = Zend_Mime::ENCODING_QUOTEDPRINTABLE)

    {

        if ($charset === null) {

            $charset = $this->_charset;

        }

        $mp = new Zend_Mime_Part($txt);

        $mp->encoding = $encoding;

        $mp->type = Zend_Mime::TYPE_TEXT;

        $mp->disposition = Zend_Mime::DISPOSITION_INLINE;

        $mp->charset = $charset;

        $this->_bodyText = $mp;

        return $this;

    }

    /**

     * Return text body Zend_Mime_Part or string

     *

     * @param  bool textOnly Whether to return just the body text content or the MIME part; defaults to false, the MIME part

     * @return false|Zend_Mime_Part|string

     */

    public function getBodyText($textOnly = false)

    {

        if ($textOnly && $this->_bodyText) {

            $body = $this->_bodyText;

            return $body->getContent();

        }

        return $this->_bodyText;

    }

    /**

     * Sets the HTML body for the message

     *

     * @param  string    $html

     * @param  string    $charset

     * @param  string    $encoding

     * @return Zend_Mail Provides fluent interface

     */

    public function setBodyHtml($html, $charset = null, $encoding = Zend_Mime::ENCODING_QUOTEDPRINTABLE)

    {

        if ($charset === null) {

            $charset = $this->_charset;

        }

        $mp = new Zend_Mime_Part($html);

        $mp->encoding = $encoding;

        $mp->type = Zend_Mime::TYPE_HTML;

        $mp->disposition = Zend_Mime::DISPOSITION_INLINE;

        $mp->charset = $charset;

        $this->_bodyHtml = $mp;

        return $this;

    }

    /**

     * Return Zend_Mime_Part representing body HTML

     *

     * @param  bool $htmlOnly Whether to return the body HTML only, or the MIME part; defaults to false, the MIME part

     * @return false|Zend_Mime_Part|string

     */

    public function getBodyHtml($htmlOnly = false)

    {

        if ($htmlOnly && $this->_bodyHtml) {

            $body = $this->_bodyHtml;

            return $body->getContent();

        }

        return $this->_bodyHtml;

    }

    /**

     * Adds an existing attachment to the mail message

     *

     * @param  Zend_Mime_Part $attachment

     * @return Zend_Mail Provides fluent interface

     */

    public function addAttachment(Zend_Mime_Part $attachment)

    {

        $this->addPart($attachment);

        $this->hasAttachments = true;

        return $this;

    }

    /**

     * Creates a Zend_Mime_Part attachment

     *

     * Attachment is automatically added to the mail object after creation. The

     * attachment object is returned to allow for further manipulation.

     *

     * @param  string         $body

     * @param  string         $mimeType

     * @param  string         $disposition

     * @param  string         $encoding

     * @param  string         $filename OPTIONAL A filename for the attachment

     * @return Zend_Mime_Part Newly created Zend_Mime_Part object (to allow

     * advanced settings)

     */

    public function createAttachment($body,

                                     $mimeType    = Zend_Mime::TYPE_OCTETSTREAM,

                                     $disposition = Zend_Mime::DISPOSITION_ATTACHMENT,

                                     $encoding    = Zend_Mime::ENCODING_BASE64,

                                     $filename    = null)

    {