dcb700c9bd3fe4b90c6e1e79a6f2e6d00d25c193
[squirrelmail.git] / functions / attachment_common.php
1 <?php
2
3 /**
4 * attachment_common.php
5 *
6 * Copyright (c) 1999-2004 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 * @version $Id$
12 * @package squirrelmail
13 */
14
15 /**
16 * Needs documentation
17 */
18 require_once(SM_PATH . 'functions/global.php');
19
20 global $attachment_common_show_images_list;
21 $attachment_common_show_images_list = array();
22
23 global $FileExtensionToMimeType, $attachment_common_types;
24 $FileExtensionToMimeType = array('bmp' => 'image/x-bitmap',
25 'gif' => 'image/gif',
26 'htm' => 'text/html',
27 'html' => 'text/html',
28 'jpg' => 'image/jpeg',
29 'jpeg' => 'image/jpeg',
30 'php' => 'text/plain',
31 'png' => 'image/png',
32 'rtf' => 'text/richtext',
33 'txt' => 'text/plain',
34 'vcf' => 'text/x-vcard');
35
36 /* Register browser-supported image types */
37 sqgetGlobalVar('attachment_common_types', $attachment_common_types);
38 if (isset($attachment_common_types)) {
39 /* Don't run this before being logged in. That may happen
40 when plugins include mime.php */
41 foreach ($attachment_common_types as $val => $v) {
42 if ($val == 'image/gif')
43 register_attachment_common('image/gif', 'link_image');
44 elseif (($val == 'image/jpeg' || $val == 'image/pjpeg') and
45 (!isset($jpeg_done))) {
46 $jpeg_done = 1;
47 register_attachment_common('image/jpeg', 'link_image');
48 register_attachment_common('image/pjpeg', 'link_image');
49 }
50 elseif ($val == 'image/png')
51 register_attachment_common('image/png', 'link_image');
52 elseif ($val == 'image/x-xbitmap')
53 register_attachment_common('image/x-xbitmap', 'link_image');
54 }
55 unset($jpeg_done);
56 }
57
58 /* Register text-type attachments */
59 //register_attachment_common('message/rfc822', 'link_text');
60 register_attachment_common('message/rfc822', 'link_message');
61 register_attachment_common('text/plain', 'link_text');
62 register_attachment_common('text/richtext', 'link_text');
63
64 /* Register HTML */
65 register_attachment_common('text/html', 'link_html');
66
67
68 /* Register vcards */
69 register_attachment_common('text/x-vcard', 'link_vcard');
70 register_attachment_common('text/directory', 'link_vcard');
71
72 /* Register rules for general types.
73 * These will be used if there isn't a more specific rule available. */
74 register_attachment_common('text/*', 'link_text');
75 register_attachment_common('message/*', 'link_text');
76
77 /* Register "unknown" attachments */
78 register_attachment_common('application/octet-stream', 'octet_stream');
79
80
81 /* Function which optimizes readability of the above code */
82
83 function register_attachment_common($type, $func) {
84 global $squirrelmail_plugin_hooks;
85 $squirrelmail_plugin_hooks['attachment ' . $type]['attachment_common'] =
86 'attachment_common_' . $func;
87 }
88
89
90 function attachment_common_link_text(&$Args)
91 {
92 /* If there is a text attachment, we would like to create a 'view' button
93 that links to the text attachment viewer.
94
95 $Args[1] = the array of actions
96
97 Use our plugin name for adding an action
98 $Args[1]['attachment_common'] = array for href and text
99
100 $Args[1]['attachment_common']['text'] = What is displayed
101 $Args[1]['attachment_common']['href'] = Where it links to
102
103 This sets the 'href' of this plugin for a new link. */
104 sqgetGlobalVar('QUERY_STRING', $QUERY_STRING, SQ_SERVER);
105
106 $Args[1]['attachment_common']['href'] = SM_PATH . 'src/view_text.php?'. $QUERY_STRING;
107 $Args[1]['attachment_common']['href'] =
108 set_url_var($Args[1]['attachment_common']['href'],
109 'ent_id',$Args[5]);
110
111 /* The link that we created needs a name. "view" will be displayed for
112 all text attachments handled by this plugin. */
113 $Args[1]['attachment_common']['text'] = _("view");
114
115 /* Each attachment has a filename on the left, which is a link.
116 Where that link points to can be changed. Just in case the link above
117 for viewing text attachments is not the same as the default link for
118 this file, we'll change it.
119
120 This is a lot better in the image links, since the defaultLink will just
121 download the image, but the one that we set it to will format the page
122 to have an image tag in the center (looking a lot like this text viewer) */
123 $Args[6] = $Args[1]['attachment_common']['href'];
124 }
125
126 function attachment_common_link_message(&$Args)
127 {
128 $Args[1]['attachment_common']['href'] = SM_PATH . 'src/read_body.php?startMessage=' .
129 $Args[2] . '&amp;passed_id=' . $Args[3] . '&amp;mailbox=' . $Args[4] .
130 '&amp;passed_ent_id=' . $Args[5] . '&amp;override_type0=message&amp;override_type1=rfc822';
131 /* The link that we created needs a name. "view" will be displayed for
132 all text attachments handled by this plugin. */
133 $Args[1]['attachment_common']['text'] = _("view");
134
135 $Args[6] = $Args[1]['attachment_common']['href'];
136 }
137
138
139 function attachment_common_link_html(&$Args)
140 {
141 sqgetGlobalVar('QUERY_STRING', $QUERY_STRING, SQ_SERVER);
142
143 $Args[1]['attachment_common']['href'] = SM_PATH . 'src/view_text.php?'. $QUERY_STRING.
144 /* why use the overridetype? can this be removed */
145 '&amp;override_type0=text&amp;override_type1=html';
146 $Args[1]['attachment_common']['href'] =
147 set_url_var($Args[1]['attachment_common']['href'],
148 'ent_id',$Args[5]);
149
150 $Args[1]['attachment_common']['text'] = _("view");
151
152 $Args[6] = $Args[1]['attachment_common']['href'];
153 }
154
155 function attachment_common_link_image(&$Args)
156 {
157 global $attachment_common_show_images, $attachment_common_show_images_list;
158
159 sqgetGlobalVar('QUERY_STRING', $QUERY_STRING, SQ_SERVER);
160
161 $info['passed_id'] = $Args[3];
162 $info['mailbox'] = $Args[4];
163 $info['ent_id'] = $Args[5];
164
165 $attachment_common_show_images_list[] = $info;
166
167 $Args[1]['attachment_common']['href'] = SM_PATH . 'src/image.php?'. $QUERY_STRING;
168 $Args[1]['attachment_common']['href'] =
169 set_url_var($Args[1]['attachment_common']['href'],
170 'ent_id',$Args[5]);
171
172 $Args[1]['attachment_common']['text'] = _("view");
173
174 $Args[6] = $Args[1]['attachment_common']['href'];
175
176 }
177
178
179 function attachment_common_link_vcard(&$Args)
180 {
181 sqgetGlobalVar('QUERY_STRING', $QUERY_STRING, SQ_SERVER);
182
183 $Args[1]['attachment_common']['href'] = SM_PATH . 'src/vcard.php?'. $QUERY_STRING;
184 $Args[1]['attachment_common']['href'] =
185 set_url_var($Args[1]['attachment_common']['href'],
186 'ent_id',$Args[5]);
187
188 $Args[1]['attachment_common']['text'] = _("Business Card");
189
190 $Args[6] = $Args[1]['attachment_common']['href'];
191 }
192
193
194 function attachment_common_octet_stream(&$Args)
195 {
196 global $FileExtensionToMimeType;
197
198 do_hook('attachment_common-load_mime_types');
199
200 ereg('\\.([^\\.]+)$', $Args[7], $Regs);
201
202 $Ext = strtolower($Regs[1]);
203
204 if ($Ext == '' || ! isset($FileExtensionToMimeType[$Ext]))
205 return;
206
207 $Ret = do_hook('attachment ' . $FileExtensionToMimeType[$Ext],
208 $Args[1], $Args[2], $Args[3], $Args[4], $Args[5], $Args[6],
209 $Args[7], $Args[8], $Args[9]);
210
211 foreach ($Ret as $a => $b) {
212 $Args[$a] = $b;
213 }
214 }
215
216 ?>