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 $FileExtensionToMimeType = array('bmp'  => 'image/x-bitmap',
  19                                  'gif'  => 'image/gif',
  20                                  'htm'  => 'text/html',
  21                                  'html' => 'text/html',
  22                                  'jpg'  => 'image/jpeg',
  23                                  'jpeg' => 'image/jpeg',
  24                                  'php'  => 'text/plain',
  25                                  'png'  => 'image/png',
  26                                  'rtf'  => 'text/richtext',
  27                                  'txt'  => 'text/plain',
  28                                  'vcf'  => 'text/x-vcard');
  29
  30 /* Register browser-supported image types */
  31 sqextractGlobalVar('attachment_common_types');
  32 if (isset($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
  65 /* Register rules for general types.
  66  * These will be used if there isn't a more specific rule available. */
  67 register_attachment_common('text/*',  'link_text');
  68 register_attachment_common('message/*',  'link_text');
  69
  70 /* Register "unknown" attachments */
  71 register_attachment_common('application/octet-stream', 'octet_stream');
  72
  73
  74 /* Function which optimizes readability of the above code */
  75
  76 function register_attachment_common($type, $func) {
  77     global $squirrelmail_plugin_hooks;
  78     $squirrelmail_plugin_hooks['attachment ' . $type]['attachment_common'] =
  79                       'attachment_common_' . $func;
  80 }
  81
  82
  83 function attachment_common_link_text(&$Args)
  84 {
  85     /* If there is a text attachment, we would like to create a 'view' button
  86        that links to the text attachment viewer.
  87
  88        $Args[1] = the array of actions
  89
  90        Use our plugin name for adding an action
  91        $Args[1]['attachment_common'] = array for href and text
  92
  93        $Args[1]['attachment_common']['text'] = What is displayed
  94        $Args[1]['attachment_common']['href'] = Where it links to
  95
  96        This sets the 'href' of this plugin for a new link. */
  97     $QUERY_STRING = $_SERVER['QUERY_STRING'];;
  98
  99     $Args[1]['attachment_common']['href'] = '../src/view_text.php?'. $QUERY_STRING;
 100     $Args[1]['attachment_common']['href'] =
 101           set_url_var($Args[1]['attachment_common']['href'],
 102           'ent_id',$Args[5]);
 103
 104     /* The link that we created needs a name.  "view" will be displayed for
 105        all text attachments handled by this plugin. */
 106     $Args[1]['attachment_common']['text'] = _("view");
 107
 108     /* Each attachment has a filename on the left, which is a link.
 109        Where that link points to can be changed.  Just in case the link above
 110        for viewing text attachments is not the same as the default link for
 111        this file, we'll change it.
 112
 113        This is a lot better in the image links, since the defaultLink will just
 114        download the image, but the one that we set it to will format the page
 115        to have an image tag in the center (looking a lot like this text viewer) */
 116     $Args[6] = $Args[1]['attachment_common']['href'];
 117 }
 118
 119 function attachment_common_link_message(&$Args)
 120 {
 121     $Args[1]['attachment_common']['href'] = '../src/read_body.php?startMessage=' .
 122         $Args[2] . '&amp;passed_id=' . $Args[3] . '&amp;mailbox=' . $Args[4] .
 123         '&amp;passed_ent_id=' . $Args[5] . '&amp;override_type0=message&amp;override_type1=rfc822';
 124     /* The link that we created needs a name.  "view" will be displayed for
 125        all text attachments handled by this plugin. */
 126     $Args[1]['attachment_common']['text'] = _("view");
 127
 128     $Args[6] = $Args[1]['attachment_common']['href'];
 129 }
 130
 131
 132 function attachment_common_link_html(&$Args)
 133 {
 134     $QUERY_STRING = $_SERVER['QUERY_STRING'];;
 135
 136     $Args[1]['attachment_common']['href'] = '../src/view_text.php?'. $QUERY_STRING.
 137        /* why use the overridetype? can this be removed */
 138        '&amp;override_type0=text&amp;override_type1=html';
 139     $Args[1]['attachment_common']['href'] =
 140           set_url_var($Args[1]['attachment_common']['href'],
 141           'ent_id',$Args[5]);
 142
 143     $Args[1]['attachment_common']['text'] = _("view");
 144
 145     $Args[6] = $Args[1]['attachment_common']['href'];
 146 }
 147
 148 function attachment_common_link_image(&$Args)
 149 {
 150     $QUERY_STRING = $_SERVER['QUERY_STRING'];;
 151     global $attachment_common_show_images, $attachment_common_show_images_list;
 152
 153
 154     $info['passed_id'] = $Args[3];
 155     $info['mailbox'] = $Args[4];
 156     $info['ent_id'] = $Args[5];
 157
 158     $attachment_common_show_images_list[] = $info;
 159
 160     $Args[1]['attachment_common']['href'] = '../src/image.php?'. $QUERY_STRING;
 161     $Args[1]['attachment_common']['href'] =
 162           set_url_var($Args[1]['attachment_common']['href'],
 163           'ent_id',$Args[5]);
 164
 165     $Args[1]['attachment_common']['text'] = _("view");
 166
 167     $Args[6] = $Args[1]['attachment_common']['href'];
 168
 169 }
 170
 171
 172 function attachment_common_link_vcard(&$Args)
 173 {
 174     $QUERY_STRING = $_SERVER['QUERY_STRING'];;
 175
 176     $Args[1]['attachment_common']['href'] = '../src/vcard.php?'. $QUERY_STRING;
 177     $Args[1]['attachment_common']['href'] =
 178           set_url_var($Args[1]['attachment_common']['href'],
 179           'ent_id',$Args[5]);
 180
 181     $Args[1]['attachment_common']['text'] = _("Business Card");
 182
 183     $Args[6] = $Args[1]['attachment_common']['href'];
 184 }
 185
 186
 187 function attachment_common_octet_stream(&$Args)
 188 {
 189     global $FileExtensionToMimeType;
 190
 191     do_hook('attachment_common-load_mime_types');
 192
 193     ereg('\\.([^\\.]+)$', $Args[7], $Regs);
 194
 195     $Ext = strtolower($Regs[1]);
 196
 197     if ($Ext == '' || ! isset($FileExtensionToMimeType[$Ext]))
 198         return;
 199
 200     $Ret = do_hook('attachment ' . $FileExtensionToMimeType[$Ext],
 201         $Args[1], $Args[2], $Args[3], $Args[4], $Args[5], $Args[6],
 202         $Args[7], $Args[8], $Args[9]);
 203
 204     foreach ($Ret as $a => $b) {
 205         $Args[$a] = $b;
 206     }
 207 }
 208
 209 ?>