class_htmlmimemail.php

系统介绍 Engineer系统是降低服务器负载

<?php
/**
* Filename.......: class.html.mime.mail.inc
* Project........: HTML Mime mail class
* Last Modified..: $Date: 2004/02/11 20:32:13 $
* CVS Revision...: $Revision: 1.4 $
* Copyright......: 2001, 2002 Richard Heyes
*/

class htmlMimeMail
{
	/**
	* The html part of the message
    * @var string
    */
	var $html;

	/**
	* The text part of the message(only used in TEXT only messages)
	* @var string
	*/
	var $text;

	/**
	* The main body of the message after building
	* @var string
	*/
	var $output;

	/**
	* The alternative text to the HTML part (only used in HTML messages)
	* @var string
	*/
	var $html_text;

	/**
	* An array of embedded images/objects
	* @var array
	*/
	var $html_images;

	/**
	* An array of recognised image types for the findHtmlImages() method
	* @var array
	*/
	var $image_types;

	/**
	* Parameters that affect the build process
	* @var array
	*/
	var $build_params;

	/**
	* Array of attachments
	* @var array
	*/
	var $attachments;

	/**
	* The main message headers
	* @var array
	*/
	var $headers;

	/**
	* Whether the message has been built or not
	* @var boolean
	*/
	var $is_built;
	
	/**
    * The return path address. If not set the From:
	* address is used instead
	* @var string
    */
	var $return_path;
	
	/**
    * Array of information needed for smtp sending
	* @var array
    */
	var $smtp_params;

/**
* Constructor function. Sets the headers
* if supplied.
*/

	function htmlMimeMail()
	{
		/**
        * Initialise some variables.
        */
		$this->html_images = array();
		$this->headers     = array();
		$this->is_built    = false;

		/**
        * If you want the auto load functionality
		* to find other image/file types, add the
		* extension and content type here.
        */
		$this->image_types = array(
									'gif'	=> 'image/gif',
									'jpg'	=> 'image/jpeg',
									'jpeg'	=> 'image/jpeg',
									'jpe'	=> 'image/jpeg',
									'bmp'	=> 'image/bmp',
									'png'	=> 'image/png',
									'tif'	=> 'image/tiff',
									'tiff'	=> 'image/tiff',
									'swf'	=> 'application/x-shockwave-flash'
								  );

		/**
        * Set these up
        */
		$this->build_params['html_encoding'] = 'quoted-printable';
		$this->build_params['text_encoding'] = '7bit';
		$this->build_params['html_charset']  = 'ISO-8859-1';
		$this->build_params['text_charset']  = 'ISO-8859-1';
		$this->build_params['head_charset']  = 'ISO-8859-1';
		$this->build_params['text_wrap']     = 998;

		/**
        * Defaults for smtp sending
        */
		if (!empty($GLOBALS['_SERVER']['HTTP_HOST'])) {
			$helo = $GLOBALS['_SERVER']['HTTP_HOST'];
		} elseif (!empty($GLOBALS['_SERVER']['SERVER_NAME'])) {
			$helo = $GLOBALS['_SERVER']['SERVER_NAME'];
		} else {
			$helo = 'localhost';
		}

		$this->smtp_params['host'] = 'localhost';
		$this->smtp_params['port'] = 25;
		$this->smtp_params['helo'] = $helo;
		$this->smtp_params['auth'] = false;
		$this->smtp_params['user'] = '';
		$this->smtp_params['pass'] = '';

		/**
        * Make sure the MIME version header is first.
        */
		$this->headers['MIME-Version'] = '1.0';
	}

/**
* This function will read a file in
* from a supplied filename and return
* it. This can then be given as the first
* argument of the the functions
* add_html_image() or add_attachment().
*/
	function getFile($filename)
	{
		$return = '';
		if ($fp = fopen($filename, 'rb')) {
			while (!feof($fp)) {
				$return .= fread($fp, 1024);
			}
			fclose($fp);
			return $return;

		} else {
			return false;
		}
	}

/**
* Accessor to set the CRLF style
*/
	function setCrlf($crlf = "\n")
	{
		if (!defined('CRLF')) {
			define('CRLF', $crlf, true);
		}

		if (!defined('MAIL_MIMEPART_CRLF')) {
			define('MAIL_MIMEPART_CRLF', $crlf, true);
		}
	}

/**
* Accessor to set the SMTP parameters
*/
	function setSMTPParams($host = null, $port = null, $helo = null, $auth = null, $user = null, $pass = null)
	{
		if (!is_null($host)) $this->smtp_params['host'] = $host;
		if (!is_null($port)) $this->smtp_params['port'] = $port;
		if (!is_null($helo)) $this->smtp_params['helo'] = $helo;
		if (!is_null($auth)) $this->smtp_params['auth'] = $auth;
		if (!is_null($user)) $this->smtp_params['user'] = $user;
		if (!is_null($pass)) $this->smtp_params['pass'] = $pass;
	}

/**
* Accessor function to set the text encoding
*/
	function setTextEncoding($encoding = '7bit')
	{
		$this->build_params['text_encoding'] = $encoding;
	}

/**
* Accessor function to set the HTML encoding
*/
	function setHtmlEncoding($encoding = 'quoted-printable')
	{
		$this->build_params['html_encoding'] = $encoding;
	}

/**
* Accessor function to set the text charset
*/
	function setTextCharset($charset = 'ISO-8859-1')
	{
		$this->build_params['text_charset'] = $charset;
	}

/**
* Accessor function to set the HTML charset
*/
	function setHtmlCharset($charset = 'ISO-8859-1')
	{
		$this->build_params['html_charset'] = $charset;
	}

/**
* Accessor function to set the header encoding charset
*/
	function setHeadCharset($charset = 'ISO-8859-1')
	{
		$this->build_params['head_charset'] = $charset;
	}

/**
* Accessor function to set the text wrap count
*/
	function setTextWrap($count = 998)
	{
		$this->build_params['text_wrap'] = $count;
	}

/**
* Accessor to set a header
*/
	function setHeader($name, $value)
	{
		$this->headers[$name] = $value;
	}

/**
* Accessor to add a Subject: header
*/
	function setSubject($subject)
	{
		$this->headers['Subject'] = $subject;
	}

/**
* Accessor to add a From: header
*/
	function setFrom($from)
	{
		$this->headers['From'] = $from;
	}

/**
* Accessor to set the return path
*/
	function setReturnPath($return_path)
	{
		$this->return_path = $return_path;
	}

/**
* Accessor to add a Cc: header
*/
	function setCc($cc)
	{
		$this->headers['Cc'] = $cc;
	}

/**
* Accessor to add a Bcc: header
*/
	function setBcc($bcc)
	{
		$this->headers['Bcc'] = $bcc;
	}

/**
* Adds plain text. Use this function
* when NOT sending html email
*/
	function setText($text = '')
	{
		$this->text = $text;
	}

/**
* Adds a html part to the mail.
* Also replaces image names with
* content-id's.
*/
	function setHtml($html, $text = null, $images_dir = null)
	{
		$this->html      = $html;
		$this->html_text = $text;

		if (isset($images_dir)) {
			$this->_findHtmlImages($images_dir);
		}
	}

/**
* Function for extracting images from
* html source. This function will look
* through the html code supplied by add_html()
* and find any file that ends in one of the
* extensions defined in $obj->image_types.
* If the file exists it will read it in and
* embed it, (not an attachment).
*
* @author Dan Allen
*/
	function _findHtmlImages($images_dir)
	{
		// Build the list of image extensions
		while (list($key,) = each($this->image_types)) {
			$extensions[] = $key;
		}

		preg_match_all('/(?:"|\')([^"\']+\.('.implode('|', $extensions).'))(?:"|\')/Ui', $this->html, $images);

		for ($i=0; $i<count($images[1]); $i++) {
			if (file_exists($images_dir . $images[1][$i])) {
				$html_images[] = $images[1][$i];
				$this->html = str_replace($images[1][$i], basename($images[1][$i]), $this->html);
			}
		}

		if (!empty($html_images)) {

			// If duplicate images are embedded, they may show up as attachments, so remove them.
			$html_images = array_unique($html_images);
			sort($html_images);
	
			for ($i=0; $i<count($html_images); $i++) {
				if ($image = $this->getFile($images_dir.$html_images[$i])) {
					$ext = substr($html_images[$i], strrpos($html_images[$i], '.') + 1);
					$content_type = $this->image_types[strtolower($ext)];
					$this->addHtmlImage($image, basename($html_images[$i]), $content_type);
				}
			}
		}
	}

/**
* Adds an image to the list of embedded
* images.
*/
	function addHtmlImage($file, $name = '', $c_type='application/octet-stream')
	{
		$this->html_images[] = array(
										'body'   => $file,
										'name'   => $name,
										'c_type' => $c_type,
										'cid'    => md5(uniqid(time()))
									);
	}


/**
* Adds a file to the list of attachments.
*/
	function addAttachment($file, $name = '', $c_type='application/octet-stream', $encoding = 'base64')
	{
		$this->attachments[] = array(
									'body'		=> $file,
									'name'		=> $name,
									'c_type'	=> $c_type,
									'encoding'	=> $encoding
								  );