functions/attachment_common.php

   1 <?php
   2
   3 /**
   4  * attachment_common.php
   5  *
   6  * Copyright (c) 1999-2003 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 sqgetGlobalVar('attachment_common_types', $attachment_common_types);
  32 if (isset($attachment_common_types)) {
  33     /* Don't run this before being logged in. That may happen
  34        when plugins include mime.php */
  35     foreach ($attachment_common_types as $val => $v) {
  36         if ($val == 'image/gif')
  37             register_attachment_common('image/gif',       'link_image');
  38         elseif (($val == 'image/jpeg' || $val == 'image/pjpeg') and
  39                 (!isset($jpeg_done))) {
  40             $jpeg_done = 1;
  41             register_attachment_common('image/jpeg',      'link_image');
  42             register_attachment_common('image/pjpeg',     'link_image');
  43         }
  44         elseif ($val == 'image/png')
  45             register_attachment_common('image/png',       'link_image');
  46         elseif ($val == 'image/x-xbitmap')
  47             register_attachment_common('image/x-xbitmap', 'link_image');
  48     }
  49     unset($jpeg_done);
  50 }
  51
  52 /* Register text-type attachments */
  53 //register_attachment_common('message/rfc822', 'link_text');
  54 register_attachment_common('message/rfc822', 'link_message');
  55 register_attachment_common('text/plain',     'link_text');
  56 register_attachment_common('text/richtext',  'link_text');
  57
  58 /* Register HTML */
  59 register_attachment_common('text/html',      'link_html');
  60
  61
  62 /* Register vcards */
  63 register_attachment_common('text/x-vcard',   'link_vcard');
  64 register_attachment_common('text/directory', 'link_vcard');
  65
  66 /* Register rules for general types.
  67  * These will be used if there isn't a more specific rule available. */
  68 register_attachment_common('text/*',  'link_text');
  69 register_attachment_common('message/*',  'link_text');
  70
  71 /* Register "unknown" attachments */
  72 register_attachment_common('application/octet-stream', 'octet_stream');
  73
  74
  75 /* Function which optimizes readability of the above code */
  76
  77 function register_attachment_common($type, $func) {
  78     global $squirrelmail_plugin_hooks;
  79     $squirrelmail_plugin_hooks['attachment ' . $type]['attachment_common'] =
  80                       'attachment_common_' . $func;
  81 }
  82
  83
  84 function attachment_common_link_text(&$Args)
  85 {
  86     /* If there is a text attachment, we would like to create a 'view' button
  87        that links to the text attachment viewer.
  88
  89        $Args[1] = the array of actions
  90
  91        Use our plugin name for adding an action
  92        $Args[1]['attachment_common'] = array for href and text
  93
  94        $Args[1]['attachment_common']['text'] = What is displayed
  95        $Args[1]['attachment_common']['href'] = Where it links to
  96
  97        This sets the 'href' of this plugin for a new link. */
  98     sqgetGlobalVar('QUERY_STRING', $QUERY_STRING, SQ_SERVER);
  99
 100     $Args[1]['attachment_common']['href'] = SM_PATH . 'src/view_text.php?'. $QUERY_STRING;
 101     $Args[1]['attachment_common']['href'] =
 102           set_url_var($Args[1]['attachment_common']['href'],
 103           'ent_id',$Args[5]);
 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] = $Args[1]['attachment_common']['href'];
 118 }
 119
 120 function attachment_common_link_message(&$Args)
 121 {
 122     $Args[1]['attachment_common']['href'] = SM_PATH . 'src/read_body.php?startMessage=' .
 123         $Args[2] . '&amp;passed_id=' . $Args[3] . '&amp;mailbox=' . $Args[4] .
 124         '&amp;passed_ent_id=' . $Args[5] . '&amp;override_type0=message&amp;override_type1=rfc822';
 125     /* The link that we created needs a name.  "view" will be displayed for
 126        all text attachments handled by this plugin. */
 127     $Args[1]['attachment_common']['text'] = _("view");
 128
 129     $Args[6] = $Args[1]['attachment_common']['href'];
 130 }
 131
 132
 133 function attachment_common_link_html(&$Args)
 134 {
 135     sqgetGlobalVar('QUERY_STRING', $QUERY_STRING, SQ_SERVER);
 136
 137     $Args[1]['attachment_common']['href'] = SM_PATH . 'src/view_text.php?'. $QUERY_STRING.
 138        /* why use the overridetype? can this be removed */
 139        '&amp;override_type0=text&amp;override_type1=html';
 140     $Args[1]['attachment_common']['href'] =
 141           set_url_var($Args[1]['attachment_common']['href'],
 142           'ent_id',$Args[5]);
 143
 144     $Args[1]['attachment_common']['text'] = _("view");
 145
 146     $Args[6] = $Args[1]['attachment_common']['href'];
 147 }
 148
 149 function attachment_common_link_image(&$Args)
 150 {
 151     global $attachment_common_show_images, $attachment_common_show_images_list;
 152
 153     sqgetGlobalVar('QUERY_STRING', $QUERY_STRING, SQ_SERVER);
 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'] = SM_PATH . 'src/image.php?'. $QUERY_STRING;
 162     $Args[1]['attachment_common']['href'] =
 163           set_url_var($Args[1]['attachment_common']['href'],
 164           'ent_id',$Args[5]);
 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     sqgetGlobalVar('QUERY_STRING', $QUERY_STRING, SQ_SERVER);
 176
 177     $Args[1]['attachment_common']['href'] = SM_PATH . 'src/vcard.php?'. $QUERY_STRING;
 178     $Args[1]['attachment_common']['href'] =
 179           set_url_var($Args[1]['attachment_common']['href'],
 180           'ent_id',$Args[5]);
 181
 182     $Args[1]['attachment_common']['text'] = _("Business Card");
 183
 184     $Args[6] = $Args[1]['attachment_common']['href'];
 185 }
 186
 187
 188 function attachment_common_octet_stream(&$Args)
 189 {
 190     global $FileExtensionToMimeType;
 191
 192     do_hook('attachment_common-load_mime_types');
 193
 194     ereg('\\.([^\\.]+)$', $Args[7], $Regs);
 195
 196     $Ext = strtolower($Regs[1]);
 197
 198     if ($Ext == '' || ! isset($FileExtensionToMimeType[$Ext]))
 199         return;
 200
 201     $Ret = do_hook('attachment ' . $FileExtensionToMimeType[$Ext],
 202         $Args[1], $Args[2], $Args[3], $Args[4], $Args[5], $Args[6],
 203         $Args[7], $Args[8], $Args[9]);
 204
 205     foreach ($Ret as $a => $b) {
 206         $Args[$a] = $b;
 207     }
 208 }
 209
 210 ?>