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