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/read_body.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     $Args[6] = $Args[1]['attachment_common']['href'];
 131 }
 132
 133
 134 function attachment_common_link_html(&$Args)
 135 {
 136     $Args[1]['attachment_common']['href'] = '../src/download.php?startMessage=' .
 137         $Args[2] . '&amp;passed_id=' . $Args[3] . '&amp;mailbox=' . $Args[4] .
 138        '&amp;passed_ent_id=' . $Args[5] . '&amp;override_type0=text&amp;override_type1=html';
 139
 140     if ($Args[8] && $Args[9]) {
 141         $Args[1]['attachment_common']['href'] .= '&amp;where=' .
 142         urlencode($Args[8]) . '&amp;what=' . urlencode($Args[9]);
 143     }
 144
 145     $Args[1]['attachment_common']['text'] = _("view");
 146
 147     $Args[6] = $Args[1]['attachment_common']['href'];
 148 }
 149
 150
 151 function attachment_common_link_image(&$Args)
 152 {
 153     global $attachment_common_show_images, $attachment_common_show_images_list;
 154
 155     $info['passed_id'] = $Args[3];
 156     $info['mailbox'] = $Args[4];
 157     $info['ent_id'] = $Args[5];
 158
 159     $attachment_common_show_images_list[] = $info;
 160
 161     $Args[1]['attachment_common']['href'] = '../src/image.php?startMessage=' .
 162         $Args[2] . '&amp;passed_id=' . $Args[3] . '&amp;mailbox=' . $Args[4] .
 163         '&amp;passed_ent_id=' . $Args[5];
 164
 165     if ($Args[8] && $Args[9]) {
 166         $Args[1]['attachment_common']['href'] .= '&amp;where=' .
 167         urlencode($Args[8]) . '&amp;what=' . urlencode($Args[9]);
 168     }
 169
 170     $Args[1]['attachment_common']['text'] = _("view");
 171
 172     $Args[6] = $Args[1]['attachment_common']['href'];
 173
 174 }
 175
 176
 177 function attachment_common_link_vcard(&$Args)
 178 {
 179     $Args[1]['attachment_common']['href'] = '../src/vcard.php?startMessage=' .
 180         $Args[2] . '&amp;passed_id=' . $Args[3] . '&amp;mailbox=' . $Args[4] .
 181         '&amp;passed_ent_id=' . $Args[5];
 182
 183     if (isset($where) && isset($what))
 184         $Args[1]['attachment_common']['href'] .= '&amp;where=' .
 185         urlencode($Args[8]) . '&amp;what=' . urlencode($Args[9]);
 186
 187     $Args[1]['attachment_common']['text'] = _("Business Card");
 188
 189     $Args[6] = $Args[1]['attachment_common']['href'];
 190 }
 191
 192
 193 function attachment_common_octet_stream(&$Args)
 194 {
 195     global $FileExtensionToMimeType;
 196
 197     do_hook('attachment_common-load_mime_types');
 198
 199     ereg('\\.([^\\.]+)$', $Args[7], $Regs);
 200
 201     $Ext = strtolower($Regs[1]);
 202
 203     if ($Ext == '' || ! isset($FileExtensionToMimeType[$Ext]))
 204         return;
 205
 206     $Ret = do_hook('attachment ' . $FileExtensionToMimeType[$Ext],
 207         $Args[1], $Args[2], $Args[3], $Args[4], $Args[5], $Args[6],
 208         $Args[7], $Args[8], $Args[9]);
 209
 210     foreach ($Ret as $a => $b) {
 211         $Args[$a] = $b;
 212     }
 213 }
 214
 215 ?>