functions/attachment_common.php

   1 <?php
   2     /**
   3     ** attachment_common.php
   4     **
   5     **  Copyright (c) 1999-2001 The Squirrelmail Development Team
   6     **  Licensed under the GNU GPL. For full terms see the file COPYING.
   7     **
   8     ** This file provides the handling of often-used attachment types.
   9     **
  10     ** $Id$
  11     **/
  12
  13   global $attachment_common_show_images_list;
  14   $attachment_common_show_images_list = array();
  15
  16   global $FileExtensionToMimeType, $attachment_common_types;
  17   $FileExtensionToMimeType = array('bmp'  => 'image/x-bitmap',
  18                                    'gif'  => 'image/gif',
  19                                    'htm'  => 'text/html',
  20                                    'html' => 'text/html',
  21                                    'jpg'  => 'image/jpeg',
  22                                    'jpeg' => 'image/jpeg',
  23                                    'php'  => 'text/plain',
  24                                    'png'  => 'image/png',
  25                                    'rtf'  => 'text/richtext',
  26                                    'txt'  => 'text/plain',
  27                                    'vcf'  => 'text/x-vcard');
  28
  29   // Register browser-supported image types
  30   if (isset($attachment_common_types)) {
  31      // Don't run this before being logged in. That may happen
  32      // when plugins include mime.php
  33      foreach ($attachment_common_types as $val => $v) {
  34         if ($val == 'image/gif')
  35            register_attachment_common('image/gif',       'link_image');
  36         elseif (($val == 'image/jpeg' || $val == 'image/pjpeg') and
  37                 (!isset($jpeg_done))) {
  38            $jpeg_done = 1;
  39            register_attachment_common('image/jpeg',      'link_image');
  40            register_attachment_common('image/pjpeg',     'link_image');
  41         }
  42         elseif ($val == 'image/png')
  43            register_attachment_common('image/png',       'link_image');
  44         elseif ($val == 'image/x-xbitmap')
  45            register_attachment_common('image/x-xbitmap', 'link_image');
  46      }
  47      unset($jpeg_done);
  48   }
  49
  50   // Register text-type attachments
  51   register_attachment_common('message/rfc822', 'link_text');
  52   register_attachment_common('text/plain',     'link_text');
  53   register_attachment_common('text/richtext',  'link_text');
  54
  55   // Register HTML
  56   register_attachment_common('text/html',      'link_html');
  57
  58   // Register vcards
  59   register_attachment_common('text/x-vcard',   'link_vcard');
  60
  61   // Register "unknown" attachments
  62   register_attachment_common('application/octet-stream', 'octet_stream');
  63
  64
  65 /* Function which optimizes readability of the above code */
  66
  67 function register_attachment_common($type, $func) {
  68   global $squirrelmail_plugin_hooks;
  69   $squirrelmail_plugin_hooks['attachment ' . $type]['attachment_common'] =
  70                       'attachment_common_' . $func;
  71 }
  72
  73
  74 function attachment_common_link_text(&$Args)
  75 {
  76   // If there is a text attachment, we would like to create a 'view' button
  77   // that links to the text attachment viewer.
  78   //
  79   // $Args[1] = the array of actions
  80   //
  81   // Use our plugin name for adding an action
  82   // $Args[1]['attachment_common'] = array for href and text
  83   //
  84   // $Args[1]['attachment_common']['text'] = What is displayed
  85   // $Args[1]['attachment_common']['href'] = Where it links to
  86   //
  87   // This sets the 'href' of this plugin for a new link.
  88   $Args[1]['attachment_common']['href'] = '../src/download.php?startMessage=' .
  89      $Args[2] . '&passed_id=' . $Args[3] . '&mailbox=' . $Args[4] .
  90      '&passed_ent_id=' . $Args[5] . '&override_type0=text&override_type1=plain';
  91
  92   // If we got here from a search, we should preserve these variables
  93   if ($Args[8] && $Args[9])
  94      $Args[1]['attachment_common']['href'] .= '&where=' .
  95      urlencode($Args[8]) . '&what=' . urlencode($Args[9]);
  96
  97   // The link that we created needs a name.  "view" will be displayed for
  98   // all text attachments handled by this plugin.
  99   $Args[1]['attachment_common']['text'] = _("view");
 100
 101   // Each attachment has a filename on the left, which is a link.
 102   // Where that link points to can be changed.  Just in case the link above
 103   // for viewing text attachments is not the same as the default link for
 104   // this file, we'll change it.
 105   //
 106   // This is a lot better in the image links, since the defaultLink will just
 107   // download the image, but the one that we set it to will format the page
 108   // to have an image tag in the center (looking a lot like this text viewer)
 109   $Args[6] = $Args[1]['attachment_common']['href'];
 110 }
 111
 112
 113 function attachment_common_link_html(&$Args)
 114 {
 115   $Args[1]['attachment_common']['href'] = '../src/download.php?startMessage=' .
 116      $Args[2] . '&passed_id=' . $Args[3] . '&mailbox=' . $Args[4] .
 117     '&passed_ent_id=' . $Args[5] . '&override_type0=text&override_type1=html';
 118
 119   if ($Args[8] && $Args[9])
 120      $Args[1]['attachment_common']['href'] .= '&where=' .
 121      urlencode($Args[8]) . '&what=' . urlencode($Args[9]);
 122
 123   $Args[1]['attachment_common']['text'] = _("view");
 124
 125   $Args[6] = $Args[1]['attachment_common']['href'];
 126 }
 127
 128
 129 function attachment_common_link_image(&$Args)
 130 {
 131   global $attachment_common_show_images, $attachment_common_show_images_list;
 132
 133   $info['passed_id'] = $Args[3];
 134   $info['mailbox'] = $Args[4];
 135   $info['ent_id'] = $Args[5];
 136
 137   $attachment_common_show_images_list[] = $info;
 138
 139   $Args[1]['attachment_common']['href'] = '../src/image.php?startMessage=' .
 140      $Args[2] . '&passed_id=' . $Args[3] . '&mailbox=' . $Args[4] .
 141      '&passed_ent_id=' . $Args[5];
 142
 143   if ($Args[8] && $Args[9])
 144      $Args[1]['attachment_common']['href'] .= '&where=' .
 145      urlencode($Args[8]) . '&what=' . urlencode($Args[9]);
 146
 147   $Args[1]['attachment_common']['text'] = _("view");
 148
 149   $Args[6] = $Args[1]['attachment_common']['href'];
 150 }
 151
 152
 153 function attachment_common_link_vcard(&$Args)
 154 {
 155   $Args[1]['attachment_common']['href'] = '../src/vcard.php?startMessage=' .
 156      $Args[2] . '&passed_id=' . $Args[3] . '&mailbox=' . $Args[4] .
 157      '&passed_ent_id=' . $Args[5];
 158
 159   if (isset($where) && isset($what))
 160      $Args[1]['attachment_common']['href'] .= '&where=' .
 161      urlencode($Args[8]) . '&what=' . urlencode($Args[9]);
 162
 163   $Args[1]['attachment_common']['text'] = _("Business Card");
 164
 165   $Args[6] = $Args[1]['attachment_common']['href'];
 166 }
 167
 168
 169 function attachment_common_octet_stream(&$Args)
 170 {
 171    global $FileExtensionToMimeType;
 172
 173    do_hook('attachment_common-load_mime_types');
 174
 175    ereg('\\.([^\\.]+)$', $Args[7], $Regs);
 176
 177    $Ext = strtolower($Regs[1]);
 178
 179    if ($Ext == '' || ! isset($FileExtensionToMimeType[$Ext]))
 180        return;
 181
 182    $Ret = do_hook('attachment ' . $FileExtensionToMimeType[$Ext],
 183        $Args[1], $Args[2], $Args[3], $Args[4], $Args[5], $Args[6],
 184        $Args[7], $Args[8], $Args[9]);
 185
 186    foreach ($Ret as $a => $b) {
 187        $Args[$a] = $b;
 188    }
 189 }
 190
 191 ?>