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
  97     global $QUERY_STRING;
  98     $Args[1]['attachment_common']['href'] = '../src/view_text.php?'. $QUERY_STRING;
  99
 100
 101     /* The link that we created needs a name.  "view" will be displayed for
 102        all text attachments handled by this plugin. */
 103     $Args[1]['attachment_common']['text'] = _("view");
 104
 105     /* Each attachment has a filename on the left, which is a link.
 106        Where that link points to can be changed.  Just in case the link above
 107        for viewing text attachments is not the same as the default link for
 108        this file, we'll change it.
 109
 110        This is a lot better in the image links, since the defaultLink will just
 111        download the image, but the one that we set it to will format the page
 112        to have an image tag in the center (looking a lot like this text viewer) */
 113     $Args[6] = $Args[1]['attachment_common']['href'];
 114 }
 115
 116
 117 function attachment_common_link_message(&$Args)
 118 {
 119     $Args[1]['attachment_common']['href'] = '../src/read_body.php?startMessage=' .
 120         $Args[2] . '&amp;passed_id=' . $Args[3] . '&amp;mailbox=' . $Args[4] .
 121         '&amp;passed_ent_id=' . $Args[5] . '&amp;override_type0=message&amp;override_type1=rfc822';
 122     /* The link that we created needs a name.  "view" will be displayed for
 123        all text attachments handled by this plugin. */
 124     $Args[1]['attachment_common']['text'] = _("view");
 125
 126     $Args[6] = $Args[1]['attachment_common']['href'];
 127 }
 128
 129
 130 function attachment_common_link_html(&$Args)
 131 {
 132     $Args[1]['attachment_common']['href'] = '../src/download.php?startMessage=' .
 133         $Args[2] . '&amp;passed_id=' . $Args[3] . '&amp;mailbox=' . $Args[4] .
 134        '&amp;passed_ent_id=' . $Args[5] . '&amp;override_type0=text&amp;override_type1=html';
 135
 136     if ($Args[8] && $Args[9]) {
 137         $Args[1]['attachment_common']['href'] .= '&amp;where=' .
 138         urlencode($Args[8]) . '&amp;what=' . urlencode($Args[9]);
 139     }
 140
 141     $Args[1]['attachment_common']['text'] = _("view");
 142
 143     $Args[6] = $Args[1]['attachment_common']['href'];
 144 }
 145
 146
 147 function attachment_common_link_image(&$Args)
 148 {
 149     global $attachment_common_show_images, $attachment_common_show_images_list;
 150
 151     $info['passed_id'] = $Args[3];
 152     $info['mailbox'] = $Args[4];
 153     $info['ent_id'] = $Args[5];
 154
 155     $attachment_common_show_images_list[] = $info;
 156
 157     $Args[1]['attachment_common']['href'] = '../src/image.php?startMessage=' .
 158         $Args[2] . '&amp;passed_id=' . $Args[3] . '&amp;mailbox=' . $Args[4] .
 159         '&amp;passed_ent_id=' . $Args[5];
 160
 161     if ($Args[8] && $Args[9]) {
 162         $Args[1]['attachment_common']['href'] .= '&amp;where=' .
 163         urlencode($Args[8]) . '&amp;what=' . urlencode($Args[9]);
 164     }
 165
 166     $Args[1]['attachment_common']['text'] = _("view");
 167
 168     $Args[6] = $Args[1]['attachment_common']['href'];
 169
 170 }
 171
 172
 173 function attachment_common_link_vcard(&$Args)
 174 {
 175     $Args[1]['attachment_common']['href'] = '../src/vcard.php?startMessage=' .
 176         $Args[2] . '&amp;passed_id=' . $Args[3] . '&amp;mailbox=' . $Args[4] .
 177         '&amp;passed_ent_id=' . $Args[5];
 178
 179     if (isset($where) && isset($what))
 180         $Args[1]['attachment_common']['href'] .= '&amp;where=' .
 181         urlencode($Args[8]) . '&amp;what=' . urlencode($Args[9]);
 182
 183     $Args[1]['attachment_common']['text'] = _("Business Card");
 184
 185     $Args[6] = $Args[1]['attachment_common']['href'];
 186 }
 187
 188
 189 function attachment_common_octet_stream(&$Args)
 190 {
 191     global $FileExtensionToMimeType;
 192
 193     do_hook('attachment_common-load_mime_types');
 194
 195     ereg('\\.([^\\.]+)$', $Args[7], $Regs);
 196
 197     $Ext = strtolower($Regs[1]);
 198
 199     if ($Ext == '' || ! isset($FileExtensionToMimeType[$Ext]))
 200         return;
 201
 202     $Ret = do_hook('attachment ' . $FileExtensionToMimeType[$Ext],
 203         $Args[1], $Args[2], $Args[3], $Args[4], $Args[5], $Args[6],
 204         $Args[7], $Args[8], $Args[9]);
 205
 206     foreach ($Ret as $a => $b) {
 207         $Args[$a] = $b;
 208     }
 209 }
 210
 211 ?>