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