functions/attachment_common.php

   1 <?php
   2
   3 /**
   4  * attachment_common.php
   5  *
   6  * Copyright (c) 1999-2002 The SquirrelMail Project Team
   7  * Licensed under the GNU GPL. For full terms see the file COPYING.
   8  *
   9  * This file provides the handling of often-used attachment types.
  10  *
  11  * $Id$
  12  */
  13
  14 global $attachment_common_show_images_list;
  15 $attachment_common_show_images_list = array();
  16
  17 global $FileExtensionToMimeType, $attachment_common_types;
  18 $FileExtensionToMimeType = array('bmp'  => 'image/x-bitmap',
  19                                  'gif'  => 'image/gif',
  20                                  'htm'  => 'text/html',
  21                                  'html' => 'text/html',
  22                                  'jpg'  => 'image/jpeg',
  23                                  'jpeg' => 'image/jpeg',
  24                                  'php'  => 'text/plain',
  25                                  'png'  => 'image/png',
  26                                  'rtf'  => 'text/richtext',
  27                                  'txt'  => 'text/plain',
  28                                  'vcf'  => 'text/x-vcard');
  29
  30 /* Register browser-supported image types */
  31 if (isset($attachment_common_types)) {
  32     /* Don't run this before being logged in. That may happen
  33        when plugins include mime.php */
  34     foreach ($attachment_common_types as $val => $v) {
  35         if ($val == 'image/gif')
  36             register_attachment_common('image/gif',       'link_image');
  37         elseif (($val == 'image/jpeg' || $val == 'image/pjpeg') and
  38                 (!isset($jpeg_done))) {
  39             $jpeg_done = 1;
  40             register_attachment_common('image/jpeg',      'link_image');
  41             register_attachment_common('image/pjpeg',     'link_image');
  42         }
  43         elseif ($val == 'image/png')
  44             register_attachment_common('image/png',       'link_image');
  45         elseif ($val == 'image/x-xbitmap')
  46             register_attachment_common('image/x-xbitmap', 'link_image');
  47     }
  48     unset($jpeg_done);
  49 }
  50
  51 /* Register text-type attachments */
  52 register_attachment_common('message/rfc822', 'link_text');
  53 register_attachment_common('text/plain',     'link_text');
  54 register_attachment_common('text/richtext',  'link_text');
  55
  56 /* Register HTML */
  57 register_attachment_common('text/html',      'link_html');
  58
  59
  60 /* Register vcards */
  61 register_attachment_common('text/x-vcard',   'link_vcard');
  62
  63 /* Register rules for general types.
  64  * These will be used if there isn't a more specific rule available. */
  65 register_attachment_common('text/*',  'link_text');
  66 register_attachment_common('message/*',  'link_text');
  67
  68 /* Register "unknown" attachments */
  69 register_attachment_common('application/octet-stream', 'octet_stream');
  70
  71
  72 /* Function which optimizes readability of the above code */
  73
  74 function register_attachment_common($type, $func) {
  75     global $squirrelmail_plugin_hooks;
  76     $squirrelmail_plugin_hooks['attachment ' . $type]['attachment_common'] =
  77                       'attachment_common_' . $func;
  78 }
  79
  80
  81 function attachment_common_link_text(&$Args)
  82 {
  83     /* If there is a text attachment, we would like to create a 'view' button
  84        that links to the text attachment viewer.
  85
  86        $Args[1] = the array of actions
  87
  88        Use our plugin name for adding an action
  89        $Args[1]['attachment_common'] = array for href and text
  90
  91        $Args[1]['attachment_common']['text'] = What is displayed
  92        $Args[1]['attachment_common']['href'] = Where it links to
  93
  94        This sets the 'href' of this plugin for a new link. */
  95     $Args[1]['attachment_common']['href'] = '../src/download.php?startMessage=' .
  96         $Args[2] . '&amp;passed_id=' . $Args[3] . '&amp;mailbox=' . $Args[4] .
  97         '&amp;passed_ent_id=' . $Args[5] . '&amp;override_type0=text&amp;override_type1=plain';
  98
  99     /* If we got here from a search, we should preserve these variables */
 100     if ($Args[8] && $Args[9])
 101         $Args[1]['attachment_common']['href'] .= '&amp;where=' .
 102         urlencode($Args[8]) . '&amp;what=' . urlencode($Args[9]);
 103
 104     /* The link that we created needs a name.  "view" will be displayed for
 105        all text attachments handled by this plugin. */
 106     $Args[1]['attachment_common']['text'] = _("view");
 107
 108     /* Each attachment has a filename on the left, which is a link.
 109        Where that link points to can be changed.  Just in case the link above
 110        for viewing text attachments is not the same as the default link for
 111        this file, we'll change it.
 112
 113        This is a lot better in the image links, since the defaultLink will just
 114        download the image, but the one that we set it to will format the page
 115        to have an image tag in the center (looking a lot like this text viewer) */
 116     $Args[6] = $Args[1]['attachment_common']['href'];
 117 }
 118
 119
 120 function attachment_common_link_html(&$Args)
 121 {
 122     $Args[1]['attachment_common']['href'] = '../src/download.php?startMessage=' .
 123         $Args[2] . '&amp;passed_id=' . $Args[3] . '&amp;mailbox=' . $Args[4] .
 124        '&amp;passed_ent_id=' . $Args[5] . '&amp;override_type0=text&amp;override_type1=html';
 125
 126     if ($Args[8] && $Args[9]) {
 127         $Args[1]['attachment_common']['href'] .= '&amp;where=' .
 128         urlencode($Args[8]) . '&amp;what=' . urlencode($Args[9]);
 129     }
 130
 131     $Args[1]['attachment_common']['text'] = _("view");
 132
 133     $Args[6] = $Args[1]['attachment_common']['href'];
 134 }
 135
 136
 137 function attachment_common_link_image(&$Args)
 138 {
 139     global $attachment_common_show_images, $attachment_common_show_images_list;
 140
 141     $info['passed_id'] = $Args[3];
 142     $info['mailbox'] = $Args[4];
 143     $info['ent_id'] = $Args[5];
 144
 145     $attachment_common_show_images_list[] = $info;
 146
 147     $Args[1]['attachment_common']['href'] = '../src/image.php?startMessage=' .
 148         $Args[2] . '&amp;passed_id=' . $Args[3] . '&amp;mailbox=' . $Args[4] .
 149         '&amp;passed_ent_id=' . $Args[5];
 150
 151     if ($Args[8] && $Args[9]) {
 152         $Args[1]['attachment_common']['href'] .= '&amp;where=' .
 153         urlencode($Args[8]) . '&amp;what=' . urlencode($Args[9]);
 154     }
 155
 156     $Args[1]['attachment_common']['text'] = _("view");
 157
 158     $Args[6] = $Args[1]['attachment_common']['href'];
 159
 160 }
 161
 162
 163 function attachment_common_link_vcard(&$Args)
 164 {
 165     $Args[1]['attachment_common']['href'] = '../src/vcard.php?startMessage=' .
 166         $Args[2] . '&amp;passed_id=' . $Args[3] . '&amp;mailbox=' . $Args[4] .
 167         '&amp;passed_ent_id=' . $Args[5];
 168
 169     if (isset($where) && isset($what))
 170         $Args[1]['attachment_common']['href'] .= '&amp;where=' .
 171         urlencode($Args[8]) . '&amp;what=' . urlencode($Args[9]);
 172
 173     $Args[1]['attachment_common']['text'] = _("Business Card");
 174
 175     $Args[6] = $Args[1]['attachment_common']['href'];
 176 }
 177
 178
 179 function attachment_common_octet_stream(&$Args)
 180 {
 181     global $FileExtensionToMimeType;
 182
 183     do_hook('attachment_common-load_mime_types');
 184
 185     ereg('\\.([^\\.]+)$', $Args[7], $Regs);
 186
 187     $Ext = strtolower($Regs[1]);
 188
 189     if ($Ext == '' || ! isset($FileExtensionToMimeType[$Ext]))
 190         return;
 191
 192     $Ret = do_hook('attachment ' . $FileExtensionToMimeType[$Ext],
 193         $Args[1], $Args[2], $Args[3], $Args[4], $Args[5], $Args[6],
 194         $Args[7], $Args[8], $Args[9]);
 195
 196     foreach ($Ret as $a => $b) {
 197         $Args[$a] = $b;
 198     }
 199 }
 200
 201 ?>