NAME
MIME::Lite::HTML - Provide routine to transform a HTML page in a MIME-Lite mail
SYNOPSIS
use MIME::Lite;
use MIME::Lite::HTML;
my $mailHTML = new MIME::Lite::HTML
From => 'MIME-Lite@alianwebserver.com',
To => 'alian@jupiter',
Subject => 'Mail in HTML with images';
$MIMEmail = $mailHTML->parse('http://www.alianwebserver.com');
$MIMEmail->send; # or for win user : $mail->send_by_smtp('smtp.fai.com');
VERSION
$Revision: 1.2 $
DESCRIPTION
This module provide routine to transform a HTML page in MIME::Lite mail. So you need this module to use MIME-Lite-HTML possibilities
What's happen ?
The job done is:
Get the file (LWP) if needed
Parse page to find include images
Attach them to mail with adequat cid
Include external CSS,Javascript file
Replace relative url with absolute one
Build the final MIME-Lite object with each part found
Usage
It can be used by example in a HTML newsletter. You make a classic HTML page, and give just url to MIME::Lite::HTML.
Construction
MIME-Lite-HTML use a MIME-Lite object, and RFC2257 construction:
If images are present, construction use is:
--> multipart/alternative
------> text/plain if present
------> multipart/related
-------------> text/html
-------------> each images
If no images is present, this is that:
---> multipart/alternative
-------> text/plain if present
-------> text/html
Documentation
Additionnal documentation can be found here:
MIME-lite module
RFC 822, RFC 1521, RFC 1522 and specially RFC 2257 (MIME Encapsulation of Aggregate Documents, such as HTML)
Clients tested
HTML in mail is not full supported so this module can't work with all email clients. If some client recognize HTML, they didn't support images include in HTML. So in fact, they recognize multipart/relative but not multipart/related.
- Netscape Messager (Linux-Windows)
-
100% ok
- Outlook Express (Windows)
-
100% ok
- Eudora (Windows)
-
If this module just send HTML and text, (without images), 100% ok.
With images, Eudora didn't recognize multipart/related part as describe in RFC 2257, even if he can read his own HTML mail. So if images are present in HTML part, text and HTML part will be displayed both, text part in first. Two additional headers will be displayed in HTML part too in this case. Version 1.0 of this module correct major problem of headers displayed with image include in HTML part.
- KMail (Linux)
-
If this module just send HTML and text, (without images), 100% ok.
In other case, Kmail didn't support image include in HTML. So if you set in KMail "Prefer HTML to text", it display HTML with images broken. Otherwise, it display text part.
- Pegasus (Windows)
-
If this module just send HTML and text, (without images), 100% ok.
Pegasus didn't support images in HTML. When it find a multipart/related message, it ignore it, and display text part.
If you find others mail client who support (or not support) MIME-Lite-HTML module, give me some feedback ! If you want be sure that your mail can be read by maximum of people, (so not only OE and Netscape), don't include images in your mail, and use a text buffer too. If multipart/related mail is not recognize, multipart/alternative can be read by the most of mail client.
Public Interface
- new(%hash)
-
Create a new instance of MIME::Lite::HTML.
%hash can have this key : [Proxy], [Debug], [HashTemplate] Others keys are use with MIME::Lite constructor.
This MIME-Lite keys are: Bcc, Encrypted, Received, Sender, Cc, From, References, Subject, Comments, Keywords, Reply-To To, Content-*, Message-ID,Resent-*, X-*,Date,MIME-Version,Return-Path, Organization
$hash{'HashTemplate'} is a reference to a hash. If present, MIME::Lite::HTML will substitute <? $name ?> with $hash{'HashTemplate'}{'name'} when parse url to send. $hash{'HashTemplate'} can be used too for include data for subelement. Ex: $hash{'HashTemplate'}{'http://www.alianwebserver.com/images/sommaire.gif'}=\@data; or $hash{'HashTemplate'}{'http://www.alianwebserver.com/script.js'}="alert("Hello world");";
When module find the image http://www.alianwebserver.com/images/sommaire.gif in buffer, it don't get image with LWP but use data found in $hash{'HashTemplate'}.
- parse($html, [$url_txt], [$url_base])
-
Subroutine used for created HTML mail with MIME-Lite
Parameters:
- $html
-
Url of HTML file to send, can be a local file. If $url is not an url (http or https or ftp or file or nntp), $url is used as a buffer. Example : http://www.alianwebserver.com, file://c|/tmp/index.html or '<img src=toto.gif>'.
- $url_txt
-
Url of text part to send for person who doesn't support HTML mail. As $html, $url_txt can be a simple buffer.
- $url_base
-
$url_base is used if $html is a buffer, for get element found in HTML buffer.
Return the MIME::Lite part to send
- size()
-
Display size of mail in characters (so octets) that will be send. (So use it *after* parse method). Use this method for control size of mail send, I personnaly hate receive 500k by mail. I pay for a 33k modem :-(
Private methods
- build_mime_object($html,[$txt],[@mail])
-
(private)
Build the final MIME-Lite object to send with each part read before
- $html
-
Buffer of HTML part
- $txt
-
Buffer of text part
-
List of images attached to HTML part. Each item is a MIME-Lite object.
See "Construction" in "Description" for know how MIME-Lite object is build.
- include_css($gabarit,$root)
-
(private)
Search in HTML buffer ($gabarit) to remplace call to extern CSS file with his content. $root is original absolute url where css file will be found.
- include_javascript($gabarit,$root)
-
(private)
Search in HTML buffer ($gabarit) to remplace call to extern javascript file with his content. $root is original absolute url where javascript file will be found.
- input_image($gabarit,$root)
-
(private)
Search in HTML buffer ($gabarit) to remplace input form image with his cid
Return final buffer and list of MIME::Lite part
- link_form($gabarit,$root)
-
(private)
Replace link to formulaire with absolute link
- fill_template($masque,$vars)
-
$masque : Path of template $vars : hash ref with keys/val to substitue
Give template with remplaced variables Ex: if $$vars{age}=12, and $masque have
J'ai <? $age ?> ans,
this function give:
J'ai 12 ans,
Error Handling
The set_err routine is used privately. You can ask for an array of all the errors which occured inside the parse routine by calling:
@errors = $mailHTML->errstr;
If no errors where found, it'll return undef.
AUTHOR
Alain BARBET alian@alianwebserver.com