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('message/rfc822', 'link_message');
  54 register_attachment_common('text/plain',     'link_text');
  55 register_attachment_common('text/richtext',  'link_text');
  56
  57 /* Register HTML */
  58 register_attachment_common('text/html',      'link_html');
  59
  60
  61 /* Register vcards */
  62 register_attachment_common('text/x-vcard',   'link_vcard');
  63
  64 /* Register rules for general types.
  65  * These will be used if there isn't a more specific rule available. */
  66 register_attachment_common('text/*',  'link_text');
  67 register_attachment_common('message/*',  'link_text');
  68
  69 /* Register "unknown" attachments */
  70 register_attachment_common('application/octet-stream', 'octet_stream');
  71
  72
  73 /* Function which optimizes readability of the above code */
  74
  75 function register_attachment_common($type, $func) {
  76     global $squirrelmail_plugin_hooks;
  77     $squirrelmail_plugin_hooks['attachment ' . $type]['attachment_common'] =
  78                       'attachment_common_' . $func;
  79 }
  80
  81
  82 function attachment_common_link_text(&$Args)
  83 {
  84     /* If there is a text attachment, we would like to create a 'view' button
  85        that links to the text attachment viewer.
  86
  87        $Args[1] = the array of actions
  88
  89        Use our plugin name for adding an action
  90        $Args[1]['attachment_common'] = array for href and text
  91
  92        $Args[1]['attachment_common']['text'] = What is displayed
  93        $Args[1]['attachment_common']['href'] = Where it links to
  94
  95        This sets the 'href' of this plugin for a new link. */
  96     $Args[1]['attachment_common']['href'] = '../src/download.php?startMessage=' .
  97         $Args[2] . '&amp;passed_id=' . $Args[3] . '&amp;mailbox=' . $Args[4] .
  98         '&amp;passed_ent_id=' . $Args[5] . '&amp;override_type0=text&amp;override_type1=plain';
  99
 100     /* If we got here from a search, we should preserve these variables */
 101     if ($Args[8] && $Args[9])
 102         $Args[1]['attachment_common']['href'] .= '&amp;where=' .
 103         urlencode($Args[8]) . '&amp;what=' . urlencode($Args[9]);
 104
 105     /* The link that we created needs a name.  "view" will be displayed for
 106        all text attachments handled by this plugin. */
 107     $Args[1]['attachment_common']['text'] = _("view");
 108
 109     /* Each attachment has a filename on the left, which is a link.
 110        Where that link points to can be changed.  Just in case the link above
 111        for viewing text attachments is not the same as the default link for
 112        this file, we'll change it.
 113
 114        This is a lot better in the image links, since the defaultLink will just
 115        download the image, but the one that we set it to will format the page
 116        to have an image tag in the center (looking a lot like this text viewer) */
 117     $Args[6] = $Args[1]['attachment_common']['href'];
 118 }
 119
 120
 121 function attachment_common_link_message(&$Args)
 122 {
 123     $Args[1]['attachment_common']['href'] = '../src/download.php?startMessage=' .
 124         $Args[2] . '&amp;passed_id=' . $Args[3] . '&amp;mailbox=' . $Args[4] .
 125         '&amp;passed_ent_id=' . $Args[5] . '&amp;override_type0=message&amp;override_type1=rfc822';
 126     /* The link that we created needs a name.  "view" will be displayed for
 127        all text attachments handled by this plugin. */
 128     $Args[1]['attachment_common']['text'] = _("view");
 129 }
 130
 131
 132 function attachment_common_link_html(&$Args)
 133 {
 134     $Args[1]['attachment_common']['href'] = '../src/download.php?startMessage=' .
 135         $Args[2] . '&amp;passed_id=' . $Args[3] . '&amp;mailbox=' . $Args[4] .
 136        '&amp;passed_ent_id=' . $Args[5] . '&amp;override_type0=text&amp;override_type1=html';
 137
 138     if ($Args[8] && $Args[9]) {
 139         $Args[1]['attachment_common']['href'] .= '&amp;where=' .
 140         urlencode($Args[8]) . '&amp;what=' . urlencode($Args[9]);
 141     }
 142
 143     $Args[1]['attachment_common']['text'] = _("view");
 144
 145     $Args[6] = $Args[1]['attachment_common']['href'];
 146 }
 147
 148
 149 function attachment_common_link_image(&$Args)
 150 {
 151     global $attachment_common_show_images, $attachment_common_show_images_list;
 152
 153     $info['passed_id'] = $Args[3];
 154     $info['mailbox'] = $Args[4];
 155     $info['ent_id'] = $Args[5];
 156
 157     $attachment_common_show_images_list[] = $info;
 158
 159     $Args[1]['attachment_common']['href'] = '../src/image.php?startMessage=' .
 160         $Args[2] . '&amp;passed_id=' . $Args[3] . '&amp;mailbox=' . $Args[4] .
 161         '&amp;passed_ent_id=' . $Args[5];
 162
 163     if ($Args[8] && $Args[9]) {
 164         $Args[1]['attachment_common']['href'] .= '&amp;where=' .
 165         urlencode($Args[8]) . '&amp;what=' . urlencode($Args[9]);
 166     }
 167
 168     $Args[1]['attachment_common']['text'] = _("view");
 169
 170     $Args[6] = $Args[1]['attachment_common']['href'];
 171
 172 }
 173
 174
 175 function attachment_common_link_vcard(&$Args)
 176 {
 177     $Args[1]['attachment_common']['href'] = '../src/vcard.php?startMessage=' .
 178         $Args[2] . '&amp;passed_id=' . $Args[3] . '&amp;mailbox=' . $Args[4] .
 179         '&amp;passed_ent_id=' . $Args[5];
 180
 181     if (isset($where) && isset($what))
 182         $Args[1]['attachment_common']['href'] .= '&amp;where=' .
 183         urlencode($Args[8]) . '&amp;what=' . urlencode($Args[9]);
 184
 185     $Args[1]['attachment_common']['text'] = _("Business Card");
 186
 187     $Args[6] = $Args[1]['attachment_common']['href'];
 188 }
 189
 190
 191 function attachment_common_octet_stream(&$Args)
 192 {
 193     global $FileExtensionToMimeType;
 194
 195     do_hook('attachment_common-load_mime_types');
 196
 197     ereg('\\.([^\\.]+)$', $Args[7], $Regs);
 198
 199     $Ext = strtolower($Regs[1]);
 200
 201     if ($Ext == '' || ! isset($FileExtensionToMimeType[$Ext]))
 202         return;
 203
 204     $Ret = do_hook('attachment ' . $FileExtensionToMimeType[$Ext],
 205         $Args[1], $Args[2], $Args[3], $Args[4], $Args[5], $Args[6],
 206         $Args[7], $Args[8], $Args[9]);
 207
 208     foreach ($Ret as $a => $b) {
 209         $Args[$a] = $b;
 210     }
 211 }
 212
 213 ?>