squirrelmail/functions/attachment_common.php
2001-12-23 07:42:40 +00:00

208 lines
7.6 KiB
PHP

<?php
/**
* attachment_common.php
*
* Copyright (c) 1999-2002 The SquirrelMail Project Team
* Licensed under the GNU GPL. For full terms see the file COPYING.
*
* This file provides the handling of often-used attachment types.
*
* $Id$
*/
/*****************************************************************/
/*** THIS FILE NEEDS TO HAVE ITS FORMATTING FIXED!!! ***/
/*** PLEASE DO SO AND REMOVE THIS COMMENT SECTION. ***/
/*** + Base level indent should begin at left margin, as ***/
/*** the $attachment_common_show_images_list stuff below. ***/
/*** + All identation should consist of four space blocks ***/
/*** + Tab characters are evil. ***/
/*** + all comments should use "slash-star ... star-slash" ***/
/*** style -- no pound characters, no slash-slash style ***/
/*** + FLOW CONTROL STATEMENTS (if, while, etc) SHOULD ***/
/*** ALWAYS USE { AND } CHARACTERS!!! ***/
/*** + Please use ' instead of ", when possible. Note " ***/
/*** should always be used in _( ) function calls. ***/
/*** Thank you for your help making the SM code more readable. ***/
/*****************************************************************/
global $attachment_common_show_images_list;
$attachment_common_show_images_list = array();
global $FileExtensionToMimeType, $attachment_common_types;
$FileExtensionToMimeType = array('bmp' => 'image/x-bitmap',
'gif' => 'image/gif',
'htm' => 'text/html',
'html' => 'text/html',
'jpg' => 'image/jpeg',
'jpeg' => 'image/jpeg',
'php' => 'text/plain',
'png' => 'image/png',
'rtf' => 'text/richtext',
'txt' => 'text/plain',
'vcf' => 'text/x-vcard');
// Register browser-supported image types
if (isset($attachment_common_types)) {
// Don't run this before being logged in. That may happen
// when plugins include mime.php
foreach ($attachment_common_types as $val => $v) {
if ($val == 'image/gif')
register_attachment_common('image/gif', 'link_image');
elseif (($val == 'image/jpeg' || $val == 'image/pjpeg') and
(!isset($jpeg_done))) {
$jpeg_done = 1;
register_attachment_common('image/jpeg', 'link_image');
register_attachment_common('image/pjpeg', 'link_image');
}
elseif ($val == 'image/png')
register_attachment_common('image/png', 'link_image');
elseif ($val == 'image/x-xbitmap')
register_attachment_common('image/x-xbitmap', 'link_image');
}
unset($jpeg_done);
}
// Register text-type attachments
register_attachment_common('message/rfc822', 'link_text');
register_attachment_common('text/plain', 'link_text');
register_attachment_common('text/richtext', 'link_text');
// Register HTML
register_attachment_common('text/html', 'link_html');
// Register vcards
register_attachment_common('text/x-vcard', 'link_vcard');
// Register "unknown" attachments
register_attachment_common('application/octet-stream', 'octet_stream');
/* Function which optimizes readability of the above code */
function register_attachment_common($type, $func) {
global $squirrelmail_plugin_hooks;
$squirrelmail_plugin_hooks['attachment ' . $type]['attachment_common'] =
'attachment_common_' . $func;
}
function attachment_common_link_text(&$Args)
{
// If there is a text attachment, we would like to create a 'view' button
// that links to the text attachment viewer.
//
// $Args[1] = the array of actions
//
// Use our plugin name for adding an action
// $Args[1]['attachment_common'] = array for href and text
//
// $Args[1]['attachment_common']['text'] = What is displayed
// $Args[1]['attachment_common']['href'] = Where it links to
//
// This sets the 'href' of this plugin for a new link.
$Args[1]['attachment_common']['href'] = '../src/download.php?startMessage=' .
$Args[2] . '&passed_id=' . $Args[3] . '&mailbox=' . $Args[4] .
'&passed_ent_id=' . $Args[5] . '&override_type0=text&override_type1=plain';
// If we got here from a search, we should preserve these variables
if ($Args[8] && $Args[9])
$Args[1]['attachment_common']['href'] .= '&where=' .
urlencode($Args[8]) . '&what=' . urlencode($Args[9]);
// The link that we created needs a name. "view" will be displayed for
// all text attachments handled by this plugin.
$Args[1]['attachment_common']['text'] = _("view");
// Each attachment has a filename on the left, which is a link.
// Where that link points to can be changed. Just in case the link above
// for viewing text attachments is not the same as the default link for
// this file, we'll change it.
//
// This is a lot better in the image links, since the defaultLink will just
// download the image, but the one that we set it to will format the page
// to have an image tag in the center (looking a lot like this text viewer)
$Args[6] = $Args[1]['attachment_common']['href'];
}
function attachment_common_link_html(&$Args)
{
$Args[1]['attachment_common']['href'] = '../src/download.php?startMessage=' .
$Args[2] . '&passed_id=' . $Args[3] . '&mailbox=' . $Args[4] .
'&passed_ent_id=' . $Args[5] . '&override_type0=text&override_type1=html';
if ($Args[8] && $Args[9])
$Args[1]['attachment_common']['href'] .= '&where=' .
urlencode($Args[8]) . '&what=' . urlencode($Args[9]);
$Args[1]['attachment_common']['text'] = _("view");
$Args[6] = $Args[1]['attachment_common']['href'];
}
function attachment_common_link_image(&$Args)
{
global $attachment_common_show_images, $attachment_common_show_images_list;
$info['passed_id'] = $Args[3];
$info['mailbox'] = $Args[4];
$info['ent_id'] = $Args[5];
$attachment_common_show_images_list[] = $info;
$Args[1]['attachment_common']['href'] = '../src/image.php?startMessage=' .
$Args[2] . '&passed_id=' . $Args[3] . '&mailbox=' . $Args[4] .
'&passed_ent_id=' . $Args[5];
if ($Args[8] && $Args[9])
$Args[1]['attachment_common']['href'] .= '&where=' .
urlencode($Args[8]) . '&what=' . urlencode($Args[9]);
$Args[1]['attachment_common']['text'] = _("view");
$Args[6] = $Args[1]['attachment_common']['href'];
}
function attachment_common_link_vcard(&$Args)
{
$Args[1]['attachment_common']['href'] = '../src/vcard.php?startMessage=' .
$Args[2] . '&passed_id=' . $Args[3] . '&mailbox=' . $Args[4] .
'&passed_ent_id=' . $Args[5];
if (isset($where) && isset($what))
$Args[1]['attachment_common']['href'] .= '&where=' .
urlencode($Args[8]) . '&what=' . urlencode($Args[9]);
$Args[1]['attachment_common']['text'] = _("Business Card");
$Args[6] = $Args[1]['attachment_common']['href'];
}
function attachment_common_octet_stream(&$Args)
{
global $FileExtensionToMimeType;
do_hook('attachment_common-load_mime_types');
ereg('\\.([^\\.]+)$', $Args[7], $Regs);
$Ext = strtolower($Regs[1]);
if ($Ext == '' || ! isset($FileExtensionToMimeType[$Ext]))
return;
$Ret = do_hook('attachment ' . $FileExtensionToMimeType[$Ext],
$Args[1], $Args[2], $Args[3], $Args[4], $Args[5], $Args[6],
$Args[7], $Args[8], $Args[9]);
foreach ($Ret as $a => $b) {
$Args[$a] = $b;
}
}
?>