]> git.p6c8.net - jirafeau.git/blob - f.php
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[jirafeau.git] / f.php
1 <?php
2 /*
3 * Jirafeau, your web file repository
4 * Copyright (C) 2008 Julien "axolotl" BERNARD <axolotl@magieeternelle.org>
5 * Copyright (C) 2015 Jerome Jutteau <jerome@jutteau.fr>
6 *
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
16 *
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 */
20 define('JIRAFEAU_ROOT', dirname(__FILE__) . '/');
21
22 require(JIRAFEAU_ROOT . 'lib/settings.php');
23 require(JIRAFEAU_ROOT . 'lib/functions.php');
24 require(JIRAFEAU_ROOT . 'lib/lang.php');
25
26 if (!isset($_GET['h']) || empty($_GET['h'])) {
27 header('Location: ./');
28 exit;
29 }
30
31 /* Operations may take a long time.
32 * Be sure PHP's safe mode is off.
33 */
34 @set_time_limit(0);
35
36 $link_name = $_GET['h'];
37
38 if (!preg_match('/[0-9a-zA-Z_-]+$/', $link_name)) {
39 require(JIRAFEAU_ROOT.'lib/template/header.php');
40 echo '<div class="error"><p>' . t('FILE_404') . '</p></div>';
41 require(JIRAFEAU_ROOT.'lib/template/footer.php');
42 exit;
43 }
44
45 $link = jirafeau_get_link($link_name);
46 if (count($link) == 0) {
47 require(JIRAFEAU_ROOT.'lib/template/header.php');
48 echo '<div class="error"><p>' . t('FILE_404') .
49 '</p></div>';
50 require(JIRAFEAU_ROOT.'lib/template/footer.php');
51 exit;
52 }
53
54 $delete_code = '';
55 if (isset($_GET['d']) && !empty($_GET['d']) && $_GET['d'] != '1') {
56 $delete_code = $_GET['d'];
57 }
58
59 $crypt_key = '';
60 if (isset($_GET['k']) && !empty($_GET['k'])) {
61 $crypt_key = $_GET['k'];
62 }
63
64 $do_download = false;
65 if (isset($_GET['d']) && $_GET['d'] == '1') {
66 $do_download = true;
67 }
68
69 $do_preview = false;
70 if (isset($_GET['p']) && !empty($_GET['p'])) {
71 $do_preview = true;
72 }
73
74 $p = s2p($link['hash']);
75 if (!file_exists(VAR_FILES . $p . $link['hash'])) {
76 jirafeau_delete_link($link_name);
77 require(JIRAFEAU_ROOT.'lib/template/header.php');
78 echo '<div class="error"><p>'.t('FILE_NOT_AVAIL').
79 '</p></div>';
80 require(JIRAFEAU_ROOT.'lib/template/footer.php');
81 exit;
82 }
83
84 if (!empty($delete_code) && $delete_code == $link['link_code']) {
85 require(JIRAFEAU_ROOT.'lib/template/header.php');
86 if (isset($_POST['do_delete'])) {
87 jirafeau_delete_link($link_name);
88 echo '<div class="message"><p>'.t('FILE_DELETED').
89 '</p></div>';
90 } else { ?>
91 <div>
92 <form action="<?php echo 'f.php?h=' . $link_name . '&amp;d=' . $delete_code; ?>" method="post" id="submit_delete_post" class="form login">
93 <input type="hidden" name="do_delete" value="1" />
94 <fieldset>
95 <legend> <?php echo t('CONFIRM_DEL') ?> </legend>
96 <table>
97 <tr><td>
98 <?php echo t('GONNA_DEL') . ' "' . jirafeau_escape($link['file_name']) . '" (' . jirafeau_human_size($link['file_size']) . ').' ?>
99 </td></tr>
100 <tr><td>
101 <?php echo t('USING_SERVICE'). ' <a href="tos.php" target="_blank" rel="noopener noreferrer">' . t('TOS') . '</a>.' ?>
102 </td></tr>
103 <tr><td>
104 <input type="submit" id="submit_delete" value="<?php echo t('DELETE'); ?>"/>
105 </td></tr>
106 </table>
107 </fieldset></form></div><?php
108 }
109 require(JIRAFEAU_ROOT.'lib/template/footer.php');
110 exit;
111 }
112
113 if ($link['time'] != JIRAFEAU_INFINITY && time() > $link['time']) {
114 jirafeau_delete_link($link_name);
115 require(JIRAFEAU_ROOT.'lib/template/header.php');
116 echo '<div class="error"><p>'.
117 t('FILE_EXPIRED') . ' ' .
118 t('FILE_DELETED') .
119 '</p></div>';
120 require(JIRAFEAU_ROOT . 'lib/template/footer.php');
121 exit;
122 }
123
124 if (empty($crypt_key) && $link['crypted']) {
125 require(JIRAFEAU_ROOT.'lib/template/header.php');
126 echo '<div class="error"><p>' . t('FILE_404') .
127 '</p></div>';
128 require(JIRAFEAU_ROOT.'lib/template/footer.php');
129 exit;
130 }
131
132 $password_challenged = false;
133 if (!empty($link['key'])) {
134 if (!isset($_POST['key'])) {
135 require(JIRAFEAU_ROOT.'lib/template/header.php');
136 echo '<div>' .
137 '<form action="f.php" method="post" id="submit_post" class="form login">'; ?>
138 <input type = "hidden" name = "jirafeau" value = "<?php echo JIRAFEAU_VERSION ?>"/><?php
139 echo '<fieldset>' .
140 '<legend>' . t('PSW_PROTEC') .
141 '</legend><table><tr><td>' .
142 t('GIMME_PSW') . ' : ' .
143 '<input type = "password" name = "key" autocomplete = "current-password"/>' .
144 '</td></tr>' .
145 '<tr><td>' .
146 t('USING_SERVICE'). ' <a href="tos.php" target="_blank" rel="noopener noreferrer">' . t('TOS') . '</a>.' .
147 '</td></tr>';
148
149 if ($link['onetime'] == 'O') {
150 echo '<tr><td id="self_destruct">' .
151 t('AUTO_DESTRUCT') .
152 '</td></tr>';
153 } ?><tr><td><input type="submit" id = "submit_download" value="<?php echo t('DL'); ?>"
154 onclick="document.getElementById('submit_post').action='<?php
155 echo 'f.php?h=' . $link_name . '&amp;d=1';
156 if (!empty($crypt_key)) {
157 echo '&amp;k=' . urlencode($crypt_key);
158 } ?>';
159 document.getElementById('submit_download').submit ();"/><?php
160 if ($cfg['preview'] && jirafeau_is_viewable($link['mime_type'])) {
161 ?><input type="submit" id = "submit_preview" value="<?php echo t('PREVIEW'); ?>"
162 onclick="document.getElementById('submit_post').action='<?php
163 echo 'f.php?h=' . $link_name . '&amp;p=1';
164 if (!empty($crypt_key)) {
165 echo '&amp;k=' . urlencode($crypt_key);
166 } ?>';
167 document.getElementById('submit_preview').submit ();"/><?php
168 }
169 echo '</td></tr></table></fieldset></form></div>';
170 require(JIRAFEAU_ROOT.'lib/template/footer.php');
171 exit;
172 } else {
173 if ($link['key'] == md5($_POST['key'])) {
174 $password_challenged = true;
175 } else {
176 sleep(2);
177 require(JIRAFEAU_ROOT.'lib/template/header.php');
178 echo '<div class="error"><p>' . t('ACCESS_KO') .
179 '</p></div>';
180 require(JIRAFEAU_ROOT.'lib/template/footer.php');
181 exit;
182 }
183 }
184 }
185
186 if (!$password_challenged && !$do_download && !$do_preview) {
187 require(JIRAFEAU_ROOT.'lib/template/header.php');
188 echo '<div>' .
189 '<form action="f.php" method="post" id="submit_post" class="form download">'; ?>
190 <input type = "hidden" name = "jirafeau" value = "<?php echo JIRAFEAU_VERSION ?>"/><?php
191 echo '<fieldset><legend>' . jirafeau_escape($link['file_name']) . '</legend><table>' .
192 '<tr><td>' .
193 t('NOW_DOWNLOADING') . ' "' . jirafeau_escape($link['file_name']) . '" (' . jirafeau_human_size($link['file_size']) . ').' .
194 '</td></tr>' .
195 '<tr><td>' .
196 t('USING_SERVICE'). ' <a href="tos.php" target="_blank" rel="noopener noreferrer">' . t('TOS') . '</a>.' .
197 '</td></tr>';
198
199 if ($link['onetime'] == 'O') {
200 echo '<tr><td id="self_destruct">' .
201 t('AUTO_DESTRUCT') .
202 '</td></tr>';
203 } ?>
204 <tr><td><input type="submit" id = "submit_download" value="<?php echo t('DL'); ?>"
205 onclick="document.getElementById('submit_post').action='<?php
206 echo 'f.php?h=' . $link_name . '&amp;d=1';
207 if (!empty($crypt_key)) {
208 echo '&amp;k=' . urlencode($crypt_key);
209 } ?>';
210 document.getElementById('submit_post').submit ();"/><?php
211
212 if ($cfg['preview'] && jirafeau_is_viewable($link['mime_type'])) {
213 ?><input type="submit" id = "submit_preview" value="<?php echo t('PREVIEW'); ?>"
214 onclick="document.getElementById('submit_post').action='<?php
215 echo 'f.php?h=' . $link_name . '&amp;p=1';
216 if (!empty($crypt_key)) {
217 echo '&amp;k=' . urlencode($crypt_key);
218 } ?>';
219 document.getElementById('submit_post').submit ();"/><?php
220 }
221 echo '</td></tr>';
222 echo '</table></fieldset></form></div>';
223 require(JIRAFEAU_ROOT.'lib/template/footer.php');
224 exit;
225 }
226
227 header('HTTP/1.0 200 OK');
228 header('Content-Length: ' . $link['file_size']);
229 if (!jirafeau_is_viewable($link['mime_type']) || !$cfg['preview'] || $do_download) {
230 header('Content-Disposition: attachment; filename="' . $link['file_name'] . '"');
231 } else {
232 header('Content-Disposition: filename="' . $link['file_name'] . '"');
233 }
234 header('Content-Type: ' . $link['mime_type']);
235 if ($cfg['file_hash'] == "md5") {
236 header('Content-MD5: ' . hex_to_base64($link['hash']));
237 }
238 if ($cfg['litespeed_workaround']) {
239 // Work around that LiteSpeed truncates large files.
240 // See https://www.litespeedtech.com/support/wiki/doku.php/litespeed_wiki:config:internal-redirect
241 if ($_GET['litespeed_workaround'] == 'phase2') {
242 $file_web_path = preg_replace('#^' . $_SERVER['DOCUMENT_ROOT'] . '#', '', VAR_FILES);
243 header('X-LiteSpeed-Location: ' . $file_web_path . $p . $link['hash']);
244 } else {
245 // Since Content-Type isn't forwarded by LiteSpeed, first
246 // redirect to the same URL but append the file name.
247 header('Location: ' . $_SERVER['PHP_SELF'] . '/' . $link['file_name'] . '?' .
248 $_SERVER['QUERY_STRING'] . '&litespeed_workaround=phase2');
249 }
250 }
251 /* Read encrypted file. */
252 elseif ($link['crypted']) {
253 /* Init module */
254 $m = mcrypt_module_open('rijndael-256', '', 'ofb', '');
255 /* Extract key and iv. */
256 $hash_key = md5($crypt_key);
257 $iv = jirafeau_crypt_create_iv($hash_key, mcrypt_enc_get_iv_size($m));
258 /* Init module. */
259 mcrypt_generic_init($m, $hash_key, $iv);
260 /* Decrypt file. */
261 $r = fopen(VAR_FILES . $p . $link['hash'], 'r');
262 while (!feof($r)) {
263 $dec = mdecrypt_generic($m, fread($r, 1024));
264 print $dec;
265 }
266 fclose($r);
267 /* Cleanup. */
268 mcrypt_generic_deinit($m);
269 mcrypt_module_close($m);
270 }
271 /* Read file. */
272 else {
273 if ($cfg['use_xsendfile']) {
274 $file_web_path = preg_replace('#^' . $_SERVER['DOCUMENT_ROOT'] . '#', '', VAR_FILES);
275 header('X-Sendfile: ' . $file_web_path . $p . $link['hash']);
276 } else {
277 $r = fopen(VAR_FILES . $p . $link['hash'], 'r');
278 while (!feof($r)) {
279 print fread($r, 1024);
280 }
281 fclose($r);
282 }
283 }
284
285 if ($link['onetime'] == 'O') {
286 jirafeau_delete_link($link_name);
287 }
288 exit;
289
290 ?>

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