* Jirafeau, your web file repository
* Copyright (C) 2008 Julien "axolotl" BERNARD <axolotl@magieeternelle.org>
* Copyright (C) 2015 Jerome Jutteau <jerome@jutteau.fr>
- * Copyright (C) 2015 Nicola Spanti (RyDroid) <dev@nicola-spanti.info>
+ * Copyright (C) 2024 Jirafeau project <https://gitlab.com/jirafeau> (see AUTHORS.md)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
// Convert UTC timestamp to a datetime field
function jirafeau_get_datetimefield($timestamp)
{
-
$ts = date_create("@" . $timestamp);
$content = '<span class="datetime" data-datetime="' . date_format($ts, 'Y-m-d H:i') . '">'
. date_format($ts, 'Y-m-d H:i') . ' (GMT)</span>';
'link' => '',
'delete_link' => ''));
}
+ jirafeau_add_file($file, $one_time_download, $key, $time, $ip, $crypt, $link_name_length, $file_hash_method);
+}
- /* array representing no error */
- $noerr = array('has_error' => false, 'why' => '');
-
+/**
+ *
+ * @param bool $crypt_module_enabled
+ * @param string $file_path
+ * @return array [bool, string]
+ */
+function jirafeau_handle_add_file_encryption($crypt_module_enabled, $file_path) {
/* Crypt file if option is enabled. */
$crypted = false;
$crypt_key = '';
- if ($crypt == true && !(extension_loaded('sodium') == true)) {
+ if ($crypt_module_enabled == true && !(extension_loaded('sodium') == true)) {
error_log("PHP extension sodium not loaded, won't encrypt in Jirafeau");
}
- if ($crypt == true && extension_loaded('sodium') == true) {
- $crypt_key = jirafeau_encrypt_file($file['tmp_name'], $file['tmp_name'].'crypt');
+ if ($crypt_module_enabled == true && extension_loaded('sodium') == true) {
+ $crypt_key = jirafeau_encrypt_file($file_path, $file_path.'crypt');
if (strlen($crypt_key) > 0) {
- if (rename($file['tmp_name'].'crypt', $file['tmp_name']) === true) {
+ if (rename($file_path.'crypt', $file_path) === true) {
$crypted = true;
}
}
}
+ return [$crypted, $crypt_key];
+}
+
+/**
+ * adds an uploaded or copy/linked local file
+ * @param $file the file struct given by $_FILE[]
+ * @param $one_time_download is the file a one time download ?
+ * @param $key if not empty, protect the file with this key
+ * @param $time the time of validity of the file
+ * @param $ip uploader's ip
+ * @param $crypt boolean asking to crypt or not
+ * @param $link_name_length size of the link name
+ * @param $is_upload, determines if the file is uploaded or local - it controls which file-functions are used
+ * @return array an array containing some information
+ * 'error' => information on possible errors
+ * 'link' => the link name of the uploaded file
+ * 'delete_link' => the link code to delete file
+ */
+function jirafeau_add_file($file, $one_time_download, $key, $time, $ip, $crypt, $link_name_length, $file_hash_method, $is_upload = true)
+{
+ // TODO needs to be adapted
+ $move_operation = $is_upload ? 'move_uploaded_file' : 'symlink';
+
+ /* array representing no error */
+ $noerr = array('has_error' => false, 'why' => '');
+
+ $crypted = false;
+ $crypt_key = '';
+ list($crypted, $crypt_key) = jirafeau_handle_add_file_encryption($crypt, $file['tmp_name']);
+
+
/* file information */
$hash = jirafeau_hash_file($file_hash_method, $file['tmp_name']);
$name = str_replace(NL, '', trim($file['name']));
if (file_exists(VAR_FILES . $p . $hash)) {
$rc = unlink($file['tmp_name']);
} elseif ((file_exists(VAR_FILES . $p) || @mkdir(VAR_FILES . $p, 0755, true))
- && move_uploaded_file($file['tmp_name'], VAR_FILES . $p . $hash)) {
+ &&
+ //move_uploaded_file($file['tmp_name'], VAR_FILES . $p . $hash))
+ $move_operation($file['tmp_name'], VAR_FILES . $p . $hash))
+ {
+
$rc = true;
}
if (!$rc) {
$handle,
$name . NL. $mime_type . NL. $size . NL. $password . NL. $time .
NL . $hash. NL . ($one_time_download ? 'O' : 'R') . NL . time() .
- NL . $ip . NL. $delete_link_code . NL . ($crypted ? 'C2' : 'O')
+ NL . $ip . NL. $delete_link_code . NL . ($crypted ? 'C' : 'O')
);
fclose($handle);
$hash_link = substr(base_16_to_64(md5_file($link_tmp_name)), 0, $link_name_length);
'crypt_key' => $crypt_key);
}
+
+function jirafeau_admin_list_table ($name, $file_hash, $link_hash, $visitor_function = null) {
+ echo '<fieldset><legend>';
+ if (!empty($name)) {
+ echo t('FILENAME') . ": " . jirafeau_escape($name);
+ }
+ if (!empty($file_hash)) {
+ echo t('FILE') . ": " . jirafeau_escape($file_hash);
+ }
+ if (!empty($link_hash)) {
+ echo t('LINK') . ": " . jirafeau_escape($link_hash);
+ }
+ if (empty($name) && empty($file_hash) && empty($link_hash)) {
+ echo t('LS_FILES');
+ }
+ echo '</legend>';
+ echo '<table>';
+ echo '<tr>';
+ echo '<th></th>';
+ echo '<th>' . t('ACTION') . '</th>';
+ echo '</tr>';
+ if ($visitor_function != null) {
+ $visitor_function($name, $file_hash, $link_hash);
+ }
+ echo '</table></fieldset>';
+}
+
+
+
+
+
/**
* Tells if a mime-type is viewable in a browser
* @param $mime the mime type
*/
function jirafeau_admin_list($name, $file_hash, $link_hash)
{
- echo '<fieldset><legend>';
- if (!empty($name)) {
- echo t('FILENAME') . ": " . jirafeau_escape($name);
- }
- if (!empty($file_hash)) {
- echo t('FILE') . ": " . jirafeau_escape($file_hash);
- }
- if (!empty($link_hash)) {
- echo t('LINK') . ": " . jirafeau_escape($link_hash);
- }
- if (empty($name) && empty($file_hash) && empty($link_hash)) {
- echo t('LS_FILES');
- }
- echo '</legend>';
- echo '<table>';
- echo '<tr>';
- echo '<th></th>';
- echo '<th>' . t('ACTION') . '</th>';
- echo '</tr>';
-
- /* Get all links files. */
- $stack = array(VAR_LINKS);
- while (($d = array_shift($stack)) && $d != null) {
- $dir = scandir($d);
- foreach ($dir as $node) {
- if (strcmp($node, '.') == 0 || strcmp($node, '..') == 0 ||
- preg_match('/\.tmp/i', "$node")) {
- continue;
- }
- if (is_dir($d . $node)) {
- /* Push new found directory. */
- $stack[] = $d . $node . '/';
- } elseif (is_file($d . $node)) {
- /* Read link information. */
- $l = jirafeau_get_link($node);
- if (!count($l)) {
+ $function = function($name, $file_hash, $link_hash) {
+ /* Get all links files. */
+ $stack = array(VAR_LINKS);
+ while (($d = array_shift($stack)) && $d != null) {
+ $dir = scandir($d);
+ foreach ($dir as $node) {
+ if (strcmp($node, '.') == 0 || strcmp($node, '..') == 0 ||
+ preg_match('/\.tmp/i', "$node")) {
continue;
}
- $ld = jirafeau_get_download_stats($node);
-
- /* Filter. */
- if (!empty($name) && !@preg_match("/$name/i", jirafeau_escape($l['file_name']))) {
- continue;
- }
- if (!empty($file_hash) && $file_hash != $l['hash']) {
- continue;
+ if (is_dir($d . $node)) {
+ /* Push new found directory. */
+ $stack[] = $d . $node . '/';
+ } elseif (is_file($d . $node)) {
+ /* Read link information. */
+ $l = jirafeau_get_link($node);
+ if (!count($l)) {
+ continue;
+ }
+
+ /* Filter. */
+ if (!empty($name) && !@preg_match("/$name/i", jirafeau_escape($l['file_name']))) {
+ continue;
+ }
+ if (!empty($file_hash) && $file_hash != $l['hash']) {
+ continue;
+ }
+ if (!empty($link_hash) && $link_hash != $node) {
+ continue;
+ }
+ /* Print link information. */
+ echo '<tr>';
+ echo '<td><strong>';
+
+ if (!$l['crypted'] && !$l['crypted_legacy']) {
+ echo'<a href="f.php?h='. jirafeau_escape($node) .'" title="' .
+ t('DL_PAGE') . '">' . jirafeau_escape($l['file_name']) . '</a>';
+ }
+ else {
+ echo jirafeau_escape($l['file_name']);
+ }
+
+ echo '</strong><br/>';
+
+ echo t('TYPE') . ': ' . jirafeau_escape($l['mime_type']) . '<br/>';
+ echo t('SIZE') . ': ' . jirafeau_human_size($l['file_size']) . '<br>';
+ echo t('EXPIRE') . ': ' . ($l['time'] == -1 ? '∞' : jirafeau_get_datetimefield($l['time'])) . '<br/>';
+ echo t('ONETIME') . ': ' . ($l['onetime'] == 'O' ? t('YES') : t('NO')) . '<br/>';
+ echo t('ENCRYPTED') . ': ' . (($l['crypted'] || $l['crypted_legacy']) ? t('YES') : t('NO')) . '<br/>';
+ echo t('UPLOAD_DATE') . ': ' . jirafeau_get_datetimefield($l['upload_date']) . '<br/>';
+ if (strlen($l['ip']) > 0) {
+ echo t('ORIGIN') . ': ' . $l['ip'] . '<br/>';
+ }
+ echo '</td><td>';
+
+ if (!$l['crypted'] && !$l['crypted_legacy']) {
+ echo '<form method="post">' .
+ '<input type = "hidden" name = "action" value = "download"/>' .
+ '<input type = "hidden" name = "link" value = "' . $node . '"/>' .
+ jirafeau_admin_csrf_field() .
+ '<input type = "submit" value = "' . t('DL') . '" />' .
+ '</form>';
+ }
+
+ echo '<form method="post">' .
+ '<input type = "hidden" name = "action" value = "delete_link"/>' .
+ '<input type = "hidden" name = "link" value = "' . $node . '"/>' .
+ jirafeau_admin_csrf_field() .
+ '<input type = "submit" value = "' . t('DEL_LINK') . '" />' .
+ '</form>' .
+ '<form method="post">' .
+ '<input type = "hidden" name = "action" value = "delete_file"/>' .
+ '<input type = "hidden" name = "hash" value = "' . $l['hash'] . '"/>' .
+ jirafeau_admin_csrf_field() .
+ '<input type = "submit" value = "' . t('DEL_FILE_LINKS') . '" />' .
+ '</form>' .
+ '</td>';
+ echo '</tr>';
}
- if (!empty($link_hash) && $link_hash != $node) {
- continue;
- }
- /* Print link information. */
- echo '<tr>';
- echo '<td>' .
- '<strong><a id="upload_link" href="f.php?h='. jirafeau_escape($node) .'" title="' .
- t('DL_PAGE') . '">' . jirafeau_escape($l['file_name']) . '</a></strong><br/>';
- echo t('TYPE') . ': ' . jirafeau_escape($l['mime_type']) . '<br/>';
- echo t('SIZE') . ': ' . jirafeau_human_size($l['file_size']) . '<br>';
- echo t('EXPIRE') . ': ' . ($l['time'] == -1 ? '∞' : jirafeau_get_datetimefield($l['time'])) . '<br/>';
- echo t('ONETIME') . ': ' . ($l['onetime'] == 'O' ? 'Yes' : 'No') . '<br/>';
- echo t('UPLOAD_DATE') . ': ' . jirafeau_get_datetimefield($l['upload_date']) . '<br/>';
- if (strlen($l['ip']) > 0) {
- echo t('ORIGIN') . ': ' . $l['ip'] . '<br/>';
- }
- echo t('DOWNLOAD_COUNT') . ': ' . $ld['count'] . '<br/>';
- if ($ld['count'] > 0) {
- echo t('DOWNLOAD_DATE') . ': ' . jirafeau_get_datetimefield($ld['date']) . '<br/>';
- echo t('DOWNLOAD_IP') . ': ' . $ld['ip'] . '<br/>';
- }
- echo '</td><td>';
- echo '<form method="post">' .
- '<input type = "hidden" name = "action" value = "download"/>' .
- '<input type = "hidden" name = "link" value = "' . $node . '"/>' .
- jirafeau_admin_csrf_field() .
- '<input type = "submit" value = "' . t('DL') . '" />' .
- '</form>' .
- '<form method="post">' .
- '<input type = "hidden" name = "action" value = "delete_link"/>' .
- '<input type = "hidden" name = "link" value = "' . $node . '"/>' .
- jirafeau_admin_csrf_field() .
- '<input type = "submit" value = "' . t('DEL_LINK') . '" />' .
- '</form>' .
- '<form method="post">' .
- '<input type = "hidden" name = "action" value = "delete_file"/>' .
- '<input type = "hidden" name = "hash" value = "' . $l['hash'] . '"/>' .
- jirafeau_admin_csrf_field() .
- '<input type = "submit" value = "' . t('DEL_FILE_LINKS') . '" />' .
- '</form>' .
- '</td>';
- echo '</tr>';
}
}
- }
- echo '</table></fieldset>';
+ };
+ jirafeau_admin_list_table($name, $file_hash, $link_hash, $function);
}
/**
function jirafeau_admin_bug_report($cfg)
{
$out = "<fieldset><legend>" . t('REPORTING_AN_ISSUE') . "</legend>";
- $out .= "If you have a problem related to Jirafeau, please <a href='https://gitlab.com/mojo42/Jirafeau/-/issues'>open an issue</a>, explain your problem in english and copy-paste the following content:<br/><br/><code>";
+ $out .= "If you have a problem related to Jirafeau, please <a href='" . JIRAFEAU_WEBSITE . "/-/issues'>open an issue</a>, explain your problem in english and copy-paste the following content:<br/><br/><code>";
$out .= "# Jirafeau<br/>";
$out .= "- version: " . JIRAFEAU_VERSION . "<br/>";
function jirafeau_async_init($filename, $type, $one_time, $key, $time, $ip)
{
/* Create temporary folder. */
- $ref;
- $p;
+ $ref = '';
+ $p = '';
$code = jirafeau_gen_random(4);
do {
$ref = jirafeau_gen_random(32);
}
/**
- * Crypt file and returns decrypt key.
+ * Crypt file using Sodium and returns decrypt key.
* @param $fp_src file path to the file to crypt.
- * @param $fp_dst file path to the file to write crypted file (could be the same).
- * @return decrypt key composed of the key and the iv separated by a point ('.')
+ * @param $fp_dst file path to the file to write crypted file (must not be the same).
+ * @return key used to encrypt the file
*/
function jirafeau_encrypt_file($fp_src, $fp_dst)
{
$fs = filesize($fp_src);
- if ($fs === false || $fs == 0 || !(extension_loaded('sodium') == true)) {
+ if ($fs === false || $fs == 0 || extension_loaded('sodium') == false || $fp_src == $fp_dst) {
return '';
}
$enc = sodium_crypto_secretstream_xchacha20poly1305_push($crypt_state, $to_enc);
if (fwrite($w, $enc) === false) {
- return '';
+ return '';
}
}
}
/**
- * Decrypt file.
+ * Decrypt file using Sodium.
* @param $fp_src file path to the file to decrypt.
- * @param $fp_dst file path to the file to write decrypted file (could be the same).
- * @param $k string composed of the key and the iv separated by a point ('.')
- * @return key used to decrypt. a string of length 0 is returned if failed.
+ * @param $fp_dst file path to the file to write decrypted file (must not be the same).
+ * @param $k decryption key
+ * @return true if decryption succeeded, false otherwise
*/
function jirafeau_decrypt_file($fp_src, $fp_dst, $k)
{
$fs = filesize($fp_src);
- if ($fs === false || $fs == 0 || extension_loaded('sodium') == false) {
+ if ($fs === false || $fs == 0 || extension_loaded('sodium') == false || $fp_src == $fp_dst) {
return false;
}
/* Decrypt file. */
- $r = fopen(VAR_FILES . $p . $link['hash'], 'rb');
+ $r = fopen($fp_src, 'rb');
+ $w = fopen($fp_dst, 'wb');
$crypt_header = fread($r, SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_HEADERBYTES);
/* Init module. */
- $crypt_state = sodium_crypto_secretstream_xchacha20poly1305_init_pull($crypt_header, $crypt_key);
+ $crypt_state = sodium_crypto_secretstream_xchacha20poly1305_init_pull($crypt_header, $k);
/* Decrypt file. */
for ($i = SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_HEADERBYTES; $i < $fs; $i += JIRAFEAU_SODIUM_CHUNKSIZE + SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_ABYTES) {
$to_dec = fread($r, JIRAFEAU_SODIUM_CHUNKSIZE + SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_ABYTES);
[$dec, $crypt_tag] = sodium_crypto_secretstream_xchacha20poly1305_pull($crypt_state, $to_dec);
- echo $dec;
+
+ if (fwrite($w, $dec) === false) {
+ return false;
+ }
}
fclose($r);
+ fclose($w);
/* Cleanup. */
sodium_memzero($crypt_state);
}
/**
- * Decrypt file.
+ * Decrypt file using mcrypt.
* @param $fp_src file path to the file to decrypt.
* @param $fp_dst file path to the file to write decrypted file (could be the same).
* @param $k string composed of the key and the iv separated by a point ('.')
- * @return key used to decrypt. a string of length 0 is returned if failed.
+ * @return true if decryption succeeded, false otherwise
*/
function jirafeau_decrypt_file_legacy($fp_src, $fp_dst, $k)
{
$crypt_key = $k;
$hash_key = md5($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. */
$r = fopen($fp_src, 'r');
$w = fopen($fp_dst, 'c');
fwrite($handle, $count . NL . time() . NL . $ip);
fclose($handle);
}
+
+function jirafeau_create_upload_finished_box($preview = true) {
+ ?>
+
+ <div id="upload_finished">
+ <p><?php echo t('FILE_UP') ?></p>
+
+ <div id="upload_finished_download_page">
+ <p>
+ <a id="upload_link" href=""><?php echo t('DL_PAGE') ?></a>
+ <a id="upload_link_email" href=""><img id="upload_image_email"/></a>
+ </p><p>
+ <code id=upload_link_text></code>
+ <button id="upload_link_button">📋</button>
+ </p>
+ </div>
+
+ <?php if ($preview == true) {
+ ?>
+ <div id="upload_finished_preview">
+ <p>
+ <a id="preview_link" href=""><?php echo t('VIEW_LINK') ?></a>
+ </p><p>
+ <code id=preview_link_text></code>
+ <button id="preview_link_button">📋</button>
+ </p>
+ </div>
+ <?php
+} ?>
+
+ <div id="upload_direct_download">
+ <p>
+ <a id="direct_link" href=""><?php echo t('DIRECT_DL') ?></a>
+ </p><p>
+ <code id=direct_link_text></code>
+ <button id="direct_link_button">📋</button>
+ </p>
+ </div>
+
+ <div id="upload_delete">
+ <p>
+ <a id="delete_link" href=""><?php echo t('DELETE_LINK') ?></a>
+ </p><p>
+ <code id=delete_link_text></code>
+ <button id="delete_link_button">📋</button>
+ </p>
+ </div>
+
+ <div id="upload_validity">
+ <p><?php echo t('VALID_UNTIL'); ?>:</p>
+ <p id="date"></p>
+ </div>
+</div>
+<?php
+}
+
+function jirafeau_get_expiration_time_options() {
+ return
+ array(
+ array(
+ 'value' => 'minute',
+ 'label' => '1_MIN'
+ ),
+ array(
+ 'value' => 'hour',
+ 'label' => '1_H'
+ ),
+ array(
+ 'value' => 'day',
+ 'label' => '1_D'
+ ),
+ array(
+ 'value' => 'week',
+ 'label' => '1_W'
+ ),
+ array(
+ 'value' => 'fortnight',
+ 'label' => '2_W'
+ ),
+ array(
+ 'value' => 'month',
+ 'label' => '1_M'
+ ),
+ array(
+ 'value' => 'quarter',
+ 'label' => '1_Q'
+ ),
+ array(
+ 'value' => 'year',
+ 'label' => '1_Y'
+ ),
+ array(
+ 'value' => 'none',
+ 'label' => 'NONE'
+ )
+ );
+}
+
+
+
+ /**
+ *
+ * creates the time selection field
+ * @param mixed $cfg
+ * @return void
+ */
+ function jirafeau_create_selection_array($cfg) {
+ echo
+ '<select name="time" id="select_time">';
+
+
+ $expirationTimeOptions = jirafeau_get_expiration_time_options();
+
+ foreach ($expirationTimeOptions as $expirationTimeOption) {
+ $selected = ($expirationTimeOption['value'] === $cfg['availability_default'])? 'selected="selected"' : '';
+ if (true === $cfg['availabilities'][$expirationTimeOption['value']]) {
+ echo '<option value="' . $expirationTimeOption['value'] . '" ' .
+ $selected . '>' . t($expirationTimeOption['label']) . '</option>';
+ }
+ }
+ echo '</select>';
+ }
+
+ function jirafeau_datestr_to_int ($time_str) {
+ $time = time();
+ switch ($time_str) {
+ case 'minute':
+ $time += JIRAFEAU_MINUTE;
+ break;
+ case 'hour':
+ $time += JIRAFEAU_HOUR;
+ break;
+ case 'day':
+ $time += JIRAFEAU_DAY;
+ break;
+ case 'week':
+ $time += JIRAFEAU_WEEK;
+ break;
+ case 'fortnight':
+ $time += JIRAFEAU_FORTNIGHT;
+ break;
+ case 'month':
+ $time += JIRAFEAU_MONTH;
+ break;
+ case 'quarter':
+ $time += JIRAFEAU_QUARTER;
+ break;
+ case 'year':
+ $time += JIRAFEAU_YEAR;
+ break;
+ default:
+ $time = JIRAFEAU_INFINITY;
+ break;
+ }
+ return $time;
+}
+
+
+
+
+/**
+ * links or copy a local file
+ * TODO: boolean in config for linking
+ * @param string $filepath
+ * @param $one_time_download is the file a one time download ?
+ * @param $key if not empty, protect the file with this key
+ * @param $time the time of validity of the file
+ * @param $ip uploader's ip
+ * @param $crypt boolean asking to crypt or not
+ * @param $link_name_length size of the link name
+ * @returns an array containing some information
+ * 'error' => information on possible errors
+ * 'link' => the link name of the uploaded file
+ * 'delete_link' => the link code to delete file
+ */
+function jirafeau_copy_local_file($local_file_path, $one_time_download, $key, $time, $ip, $crypt, $link_name_length, $file_hash_method) {
+
+ if (!file_exists($local_file_path)) {
+ return (array(
+ 'error' =>
+ array('has_error' => true,
+ 'why' => t('INTERNAL_ERROR_FILE_NOT_EXIST')),
+ 'link' =>'',
+ 'delete_link' => ''));
+ }
+ if(
+ // sanity check if file can be opened
+ $file = fopen($local_file_path, "r")
+ )
+ {
+ // close file pointer - it's not needed here
+ fclose($file);
+ $time_in_int = jirafeau_datestr_to_int($time);
+ return jirafeau_add_file(
+ jirafeau_create_file_array($local_file_path),
+ $one_time_download,
+ $key,
+ $time_in_int,
+ $ip,
+ $crypt,
+ $link_name_length,
+ $file_hash_method,
+ false
+ );
+ }
+ else {
+ return (array(
+ 'error' =>
+ array('has_error' => true,
+ 'why' => t('INTERNAL_ERROR_FP_OPEN_LOCAL')),
+ 'link' =>'',
+ 'delete_link' => ''));
+ }
+
+}
+
+
+function jirafeau_create_file_array($file_path) {
+ return
+ [
+ 'type' => mime_content_type($file_path),
+ 'tmp_name' => $file_path,
+ 'name' => basename($file_path),
+ 'size' => filesize($file_path),
+ ];
+}