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f.php
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f.php
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<?php
/*
* Jirafeau, your web file repository
* Copyright (C) 2008 Julien "axolotl" BERNARD <[email protected]>
* Copyright (C) 2015 Jerome Jutteau <[email protected]>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
define('JIRAFEAU_ROOT', dirname(__FILE__) . '/');
require(JIRAFEAU_ROOT . 'lib/settings.php');
require(JIRAFEAU_ROOT . 'lib/functions.php');
require(JIRAFEAU_ROOT . 'lib/lang.php');
if (!isset($_GET['h']) || empty($_GET['h'])) {
header('Location: ./');
exit;
}
/* Operations may take a long time.
* Be sure PHP's safe mode is off.
*/
@set_time_limit(0);
$link_name = $_GET['h'];
if (!preg_match('/[0-9a-zA-Z_-]+$/', $link_name)) {
require(JIRAFEAU_ROOT.'lib/template/header.php');
echo '<div class="error"><p>' . t('FILE_404') . '</p></div>';
require(JIRAFEAU_ROOT.'lib/template/footer.php');
exit;
}
$link = jirafeau_get_link($link_name);
if (count($link) == 0) {
require(JIRAFEAU_ROOT.'lib/template/header.php');
echo '<div class="error"><p>' . t('FILE_404') .
'</p></div>';
require(JIRAFEAU_ROOT.'lib/template/footer.php');
exit;
}
$delete_code = '';
if (isset($_GET['d']) && !empty($_GET['d']) && $_GET['d'] != '1') {
$delete_code = $_GET['d'];
}
$crypt_key = '';
if (isset($_GET['k']) && !empty($_GET['k'])) {
$crypt_key = $_GET['k'];
}
$do_download = false;
if (isset($_GET['d']) && $_GET['d'] == '1') {
$do_download = true;
}
$do_preview = false;
if (isset($_GET['p']) && !empty($_GET['p'])) {
$do_preview = true;
}
$p = s2p($link['hash']);
if (!file_exists(VAR_FILES . $p . $link['hash'])) {
jirafeau_delete_link($link_name);
require(JIRAFEAU_ROOT.'lib/template/header.php');
echo '<div class="error"><p>'.t('FILE_NOT_AVAIL').
'</p></div>';
require(JIRAFEAU_ROOT.'lib/template/footer.php');
exit;
}
if (!empty($delete_code) && $delete_code == $link['link_code']) {
require(JIRAFEAU_ROOT.'lib/template/header.php');
if (isset($_POST['do_delete'])) {
jirafeau_delete_link($link_name);
echo '<div class="message"><p>'.t('FILE_DELETED').
'</p></div>';
} else { ?>
<div>
<form action="<?php echo 'f.php?h=' . $link_name . '&d=' . $delete_code; ?>" method="post" id="submit_delete_post" class="form login">
<input type="hidden" name="do_delete" value="1" />
<fieldset>
<legend> <?php echo t('CONFIRM_DEL') ?> </legend>
<table>
<tr><td>
<?php echo t('GONNA_DEL') . ' "' . jirafeau_escape($link['file_name']) . '" (' . jirafeau_human_size($link['file_size']) . ').' ?>
</td></tr>
<tr><td>
<?php echo t('USING_SERVICE'). ' <a href="tos.php" target="_blank" rel="noopener noreferrer">' . t('TOS') . '</a>.' ?>
</td></tr>
<tr><td>
<input type="submit" id="submit_delete" value="<?php echo t('DELETE'); ?>"/>
</td></tr>
</table>
</fieldset></form></div><?php
}
require(JIRAFEAU_ROOT.'lib/template/footer.php');
exit;
}
if ($link['time'] != JIRAFEAU_INFINITY && time() > $link['time']) {
jirafeau_delete_link($link_name);
require(JIRAFEAU_ROOT.'lib/template/header.php');
echo '<div class="error"><p>'.
t('FILE_EXPIRED') . ' ' .
t('FILE_DELETED') .
'</p></div>';
require(JIRAFEAU_ROOT . 'lib/template/footer.php');
exit;
}
if (empty($crypt_key) && $link['crypted']) {
require(JIRAFEAU_ROOT.'lib/template/header.php');
echo '<div class="error"><p>' . t('FILE_404') .
'</p></div>';
require(JIRAFEAU_ROOT.'lib/template/footer.php');
exit;
}
$password_challenged = false;
if (!empty($link['key'])) {
if (!isset($_POST['key'])) {
require(JIRAFEAU_ROOT.'lib/template/header.php');
echo '<div>' .
'<form action="f.php" method="post" id="submit_post" class="form login">'; ?>
<input type = "hidden" name = "jirafeau" value = "<?php echo JIRAFEAU_VERSION ?>"/><?php
echo '<fieldset>' .
'<legend>' . t('PSW_PROTEC') .
'</legend><table><tr><td>' .
t('GIMME_PSW') . ' : ' .
'<input type = "password" name = "key" autocomplete = "current-password"/>' .
'</td></tr>' .
'<tr><td>' .
t('USING_SERVICE'). ' <a href="tos.php" target="_blank" rel="noopener noreferrer">' . t('TOS') . '</a>.' .
'</td></tr>';
if ($link['onetime'] == 'O') {
echo '<tr><td id="self_destruct">' .
t('AUTO_DESTRUCT') .
'</td></tr>';
} ?><tr><td><input type="submit" id = "submit_download" value="<?php echo t('DL'); ?>"
onclick="document.getElementById('submit_post').action='<?php
echo 'f.php?h=' . $link_name . '&d=1';
if (!empty($crypt_key)) {
echo '&k=' . urlencode($crypt_key);
} ?>';
document.getElementById('submit_download').submit ();"/><?php
if ($cfg['preview'] && jirafeau_is_viewable($link['mime_type'])) {
?><input type="submit" id = "submit_preview" value="<?php echo t('PREVIEW'); ?>"
onclick="document.getElementById('submit_post').action='<?php
echo 'f.php?h=' . $link_name . '&p=1';
if (!empty($crypt_key)) {
echo '&k=' . urlencode($crypt_key);
} ?>';
document.getElementById('submit_preview').submit ();"/><?php
}
echo '</td></tr></table></fieldset></form></div>';
require(JIRAFEAU_ROOT.'lib/template/footer.php');
exit;
} else {
if ($link['key'] == md5($_POST['key'])) {
$password_challenged = true;
} else {
sleep(2);
require(JIRAFEAU_ROOT.'lib/template/header.php');
echo '<div class="error"><p>' . t('ACCESS_KO') .
'</p></div>';
require(JIRAFEAU_ROOT.'lib/template/footer.php');
exit;
}
}
}
if (!$password_challenged && !$do_download && !$do_preview) {
require(JIRAFEAU_ROOT.'lib/template/header.php');
echo '<div>' .
'<form action="f.php" method="post" id="submit_post" class="form download">'; ?>
<input type = "hidden" name = "jirafeau" value = "<?php echo JIRAFEAU_VERSION ?>"/><?php
echo '<fieldset><legend>' . jirafeau_escape($link['file_name']) . '</legend><table>' .
'<tr><td>' .
t('NOW_DOWNLOADING') . ' "' . jirafeau_escape($link['file_name']) . '" (' . jirafeau_human_size($link['file_size']) . ').' .
'</td></tr>' .
'<tr><td>' .
t('USING_SERVICE'). ' <a href="tos.php" target="_blank" rel="noopener noreferrer">' . t('TOS') . '</a>.' .
'</td></tr>';
if ($link['onetime'] == 'O') {
echo '<tr><td id="self_destruct">' .
t('AUTO_DESTRUCT') .
'</td></tr>';
} ?>
<tr><td><input type="submit" id = "submit_download" value="<?php echo t('DL'); ?>"
onclick="document.getElementById('submit_post').action='<?php
echo 'f.php?h=' . $link_name . '&d=1';
if (!empty($crypt_key)) {
echo '&k=' . urlencode($crypt_key);
} ?>';
document.getElementById('submit_post').submit ();"/><?php
if ($cfg['preview'] && jirafeau_is_viewable($link['mime_type'])) {
?><input type="submit" id = "submit_preview" value="<?php echo t('PREVIEW'); ?>"
onclick="document.getElementById('submit_post').action='<?php
echo 'f.php?h=' . $link_name . '&p=1';
if (!empty($crypt_key)) {
echo '&k=' . urlencode($crypt_key);
} ?>';
document.getElementById('submit_post').submit ();"/><?php
}
echo '</td></tr>';
echo '</table></fieldset></form></div>';
require(JIRAFEAU_ROOT.'lib/template/footer.php');
exit;
}
header('HTTP/1.0 200 OK');
header('Content-Length: ' . $link['file_size']);
if (!jirafeau_is_viewable($link['mime_type']) || !$cfg['preview'] || $do_download) {
header('Content-Disposition: attachment; filename="' . $link['file_name'] . '"');
} else {
header('Content-Disposition: filename="' . $link['file_name'] . '"');
}
header('Content-Type: ' . $link['mime_type']);
if ($cfg['file_hash'] == "md5") {
header('Content-MD5: ' . hex_to_base64($link['hash']));
}
if ($cfg['litespeed_workaround']) {
// Work around that LiteSpeed truncates large files.
// See https://www.litespeedtech.com/support/wiki/doku.php/litespeed_wiki:config:internal-redirect
if ($_GET['litespeed_workaround'] == 'phase2') {
$file_web_path = preg_replace('#^' . $_SERVER['DOCUMENT_ROOT'] . '#', '', VAR_FILES);
header('X-LiteSpeed-Location: ' . $file_web_path . $p . $link['hash']);
} else {
// Since Content-Type isn't forwarded by LiteSpeed, first
// redirect to the same URL but append the file name.
header('Location: ' . $_SERVER['PHP_SELF'] . '/' . $link['file_name'] . '?' .
$_SERVER['QUERY_STRING'] . '&litespeed_workaround=phase2');
}
}
/* Read encrypted file. */
elseif ($link['crypted']) {
/* Init module */
$m = mcrypt_module_open('rijndael-256', '', 'ofb', '');
/* Extract key and iv. */
$hash_key = md5($crypt_key);
$iv = jirafeau_crypt_create_iv($hash_key, mcrypt_enc_get_iv_size($m));
/* Init module. */
mcrypt_generic_init($m, $hash_key, $iv);
/* Decrypt file. */
$r = fopen(VAR_FILES . $p . $link['hash'], 'r');
while (!feof($r)) {
$dec = mdecrypt_generic($m, fread($r, 1024));
print $dec;
}
fclose($r);
/* Cleanup. */
mcrypt_generic_deinit($m);
mcrypt_module_close($m);
}
/* Read file. */
else {
if ($cfg['use_xsendfile']) {
$file_web_path = preg_replace('#^' . $_SERVER['DOCUMENT_ROOT'] . '#', '', VAR_FILES);
header('X-Sendfile: ' . $file_web_path . $p . $link['hash']);
} else {
$r = fopen(VAR_FILES . $p . $link['hash'], 'r');
while (!feof($r)) {
print fread($r, 1024);
}
fclose($r);
}
}
if ($link['onetime'] == 'O') {
jirafeau_delete_link($link_name);
}
exit;
?>