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