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 require_once(SM_PATH . 'functions/global.php');
  15
  16 global $attachment_common_show_images_list;
  17 $attachment_common_show_images_list = array();
  18
  19 global $FileExtensionToMimeType, $attachment_common_types;
  20 $FileExtensionToMimeType = array('bmp'  => 'image/x-bitmap',
  21                                  'gif'  => 'image/gif',
  22                                  'htm'  => 'text/html',
  23                                  'html' => 'text/html',
  24                                  'jpg'  => 'image/jpeg',
  25                                  'jpeg' => 'image/jpeg',
  26                                  'php'  => 'text/plain',
  27                                  'png'  => 'image/png',
  28                                  'rtf'  => 'text/richtext',
  29                                  'txt'  => 'text/plain',
  30                                  'vcf'  => 'text/x-vcard');
  31
  32 /* Register browser-supported image types */
  33 sqgetGlobalVar('attachment_common_types', $attachment_common_types);
  34 if (isset($attachment_common_types)) {
  35     /* Don't run this before being logged in. That may happen
  36        when plugins include mime.php */
  37     foreach ($attachment_common_types as $val => $v) {
  38         if ($val == 'image/gif')
  39             register_attachment_common('image/gif',       'link_image');
  40         elseif (($val == 'image/jpeg' || $val == 'image/pjpeg') and
  41                 (!isset($jpeg_done))) {
  42             $jpeg_done = 1;
  43             register_attachment_common('image/jpeg',      'link_image');
  44             register_attachment_common('image/pjpeg',     'link_image');
  45         }
  46         elseif ($val == 'image/png')
  47             register_attachment_common('image/png',       'link_image');
  48         elseif ($val == 'image/x-xbitmap')
  49             register_attachment_common('image/x-xbitmap', 'link_image');
  50     }
  51     unset($jpeg_done);
  52 }
  53
  54 /* Register text-type attachments */
  55 //register_attachment_common('message/rfc822', 'link_text');
  56 register_attachment_common('message/rfc822', 'link_message');
  57 register_attachment_common('text/plain',     'link_text');
  58 register_attachment_common('text/richtext',  'link_text');
  59
  60 /* Register HTML */
  61 register_attachment_common('text/html',      'link_html');
  62
  63
  64 /* Register vcards */
  65 register_attachment_common('text/x-vcard',   'link_vcard');
  66 register_attachment_common('text/directory', 'link_vcard');
  67
  68 /* Register rules for general types.
  69  * These will be used if there isn't a more specific rule available. */
  70 register_attachment_common('text/*',  'link_text');
  71 register_attachment_common('message/*',  'link_text');
  72
  73 /* Register "unknown" attachments */
  74 register_attachment_common('application/octet-stream', 'octet_stream');
  75
  76
  77 /* Function which optimizes readability of the above code */
  78
  79 function register_attachment_common($type, $func) {
  80     global $squirrelmail_plugin_hooks;
  81     $squirrelmail_plugin_hooks['attachment ' . $type]['attachment_common'] =
  82                       'attachment_common_' . $func;
  83 }
  84
  85
  86 function attachment_common_link_text(&$Args)
  87 {
  88     /* If there is a text attachment, we would like to create a 'view' button
  89        that links to the text attachment viewer.
  90
  91        $Args[1] = the array of actions
  92
  93        Use our plugin name for adding an action
  94        $Args[1]['attachment_common'] = array for href and text
  95
  96        $Args[1]['attachment_common']['text'] = What is displayed
  97        $Args[1]['attachment_common']['href'] = Where it links to
  98
  99        This sets the 'href' of this plugin for a new link. */
 100     sqgetGlobalVar('QUERY_STRING', $QUERY_STRING, SQ_SERVER);
 101
 102     $Args[1]['attachment_common']['href'] = SM_PATH . 'src/view_text.php?'. $QUERY_STRING;
 103     $Args[1]['attachment_common']['href'] =
 104           set_url_var($Args[1]['attachment_common']['href'],
 105           'ent_id',$Args[5]);
 106
 107     /* The link that we created needs a name.  "view" will be displayed for
 108        all text attachments handled by this plugin. */
 109     $Args[1]['attachment_common']['text'] = _("view");
 110
 111     /* Each attachment has a filename on the left, which is a link.
 112        Where that link points to can be changed.  Just in case the link above
 113        for viewing text attachments is not the same as the default link for
 114        this file, we'll change it.
 115
 116        This is a lot better in the image links, since the defaultLink will just
 117        download the image, but the one that we set it to will format the page
 118        to have an image tag in the center (looking a lot like this text viewer) */
 119     $Args[6] = $Args[1]['attachment_common']['href'];
 120 }
 121
 122 function attachment_common_link_message(&$Args)
 123 {
 124     $Args[1]['attachment_common']['href'] = SM_PATH . 'src/read_body.php?startMessage=' .
 125         $Args[2] . '&amp;passed_id=' . $Args[3] . '&amp;mailbox=' . $Args[4] .
 126         '&amp;passed_ent_id=' . $Args[5] . '&amp;override_type0=message&amp;override_type1=rfc822';
 127     /* The link that we created needs a name.  "view" will be displayed for
 128        all text attachments handled by this plugin. */
 129     $Args[1]['attachment_common']['text'] = _("view");
 130
 131     $Args[6] = $Args[1]['attachment_common']['href'];
 132 }
 133
 134
 135 function attachment_common_link_html(&$Args)
 136 {
 137     sqgetGlobalVar('QUERY_STRING', $QUERY_STRING, SQ_SERVER);
 138
 139     $Args[1]['attachment_common']['href'] = SM_PATH . 'src/view_text.php?'. $QUERY_STRING.
 140        /* why use the overridetype? can this be removed */
 141        '&amp;override_type0=text&amp;override_type1=html';
 142     $Args[1]['attachment_common']['href'] =
 143           set_url_var($Args[1]['attachment_common']['href'],
 144           'ent_id',$Args[5]);
 145
 146     $Args[1]['attachment_common']['text'] = _("view");
 147
 148     $Args[6] = $Args[1]['attachment_common']['href'];
 149 }
 150
 151 function attachment_common_link_image(&$Args)
 152 {
 153     global $attachment_common_show_images, $attachment_common_show_images_list;
 154
 155     sqgetGlobalVar('QUERY_STRING', $QUERY_STRING, SQ_SERVER);
 156
 157     $info['passed_id'] = $Args[3];
 158     $info['mailbox'] = $Args[4];
 159     $info['ent_id'] = $Args[5];
 160
 161     $attachment_common_show_images_list[] = $info;
 162
 163     $Args[1]['attachment_common']['href'] = SM_PATH . 'src/image.php?'. $QUERY_STRING;
 164     $Args[1]['attachment_common']['href'] =
 165           set_url_var($Args[1]['attachment_common']['href'],
 166           'ent_id',$Args[5]);
 167
 168     $Args[1]['attachment_common']['text'] = _("view");
 169
 170     $Args[6] = $Args[1]['attachment_common']['href'];
 171
 172 }
 173
 174
 175 function attachment_common_link_vcard(&$Args)
 176 {
 177     sqgetGlobalVar('QUERY_STRING', $QUERY_STRING, SQ_SERVER);
 178
 179     $Args[1]['attachment_common']['href'] = SM_PATH . 'src/vcard.php?'. $QUERY_STRING;
 180     $Args[1]['attachment_common']['href'] =
 181           set_url_var($Args[1]['attachment_common']['href'],
 182           'ent_id',$Args[5]);
 183
 184     $Args[1]['attachment_common']['text'] = _("Business Card");
 185
 186     $Args[6] = $Args[1]['attachment_common']['href'];
 187 }
 188
 189
 190 function attachment_common_octet_stream(&$Args)
 191 {
 192     global $FileExtensionToMimeType;
 193
 194     do_hook('attachment_common-load_mime_types');
 195
 196     ereg('\\.([^\\.]+)$', $Args[7], $Regs);
 197
 198     $Ext = strtolower($Regs[1]);
 199
 200     if ($Ext == '' || ! isset($FileExtensionToMimeType[$Ext]))
 201         return;
 202
 203     $Ret = do_hook('attachment ' . $FileExtensionToMimeType[$Ext],
 204         $Args[1], $Args[2], $Args[3], $Args[4], $Args[5], $Args[6],
 205         $Args[7], $Args[8], $Args[9]);
 206
 207     foreach ($Ret as $a => $b) {
 208         $Args[$a] = $b;
 209     }
 210 }
 211
 212 ?>