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<?php
/**
* The MIT License (MIT)
*
* Copyright (c) 2015 Camil Staps
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
header('Content-type: text/plain');
if (exec('echo EXEC') != 'EXEC') {
die('exec() is disabled.');
}
$extended = isset($_GET['extended']) && $_GET['extended'] != 'false';
$expressions = $_GET['expressions'];
if ($expressions == [])
die('Not enough expressions requested');
foreach ($expressions as $k => $e)
if (preg_match('/[^a-zA-Z\|\&~\-><01 ]/', $e))
die('Forbidden character in expression ' . $e);
$expressions = array_map('escapeshellarg', $expressions);
$expressions = implode(' ', $expressions);
$extended = $extended ? '-e' : '';
$call = './LogicParser -b -nt ' . $extended . ' ' . $expressions;
$out = [];
exec($call, $out);
echo implode("\n", $out);
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