MadelineProto/id.php

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<?php
/*
Copyright 2016 Daniil Gentili
(https://daniil.it)
This file is part of MadelineProto.
MadelineProto 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.
MadelineProto 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 General Public License along with MadelineProto.
If not, see <http://www.gnu.org/licenses/>.
*/
require 'vendor/autoload.php';
//require '../db:id.php';
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//$select = $pdo->prepare('SELECT * FROM ul');
//$select->execute();
//$pdores = $select->fetchAll(PDO::FETCH_ASSOC);
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function foreach_offset_length($string)
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{
$res = [];
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$strlen = strlen($string);
for ($offset = 0; $offset < strlen($string); $offset++) {
for ($length = $strlen - $offset; $length > 0; $length--) {
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$s = substr($string, $offset, $length);
$number = (string) (new \phpseclib\Math\BigInteger(strrev($s), 256));
//$number = ord($s);
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$res[] = ['number' => $number, 'offset' => $offset, 'length' => $length];
}
}
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return $res;
}
$res = [];
$pdores = [['file_id' => 'AwADBAADiQEAAo_aCgYAAc-fglzxcY0C']];
foreach ($pdores as $r) {
$base256 = base64url_decode($r['file_id']);
$res = foreach_offset_length($base256);
if (!isset($same)) {
$same = $res;
} else {
foreach ($same as $key => $s) {
if (!in_array($s, $res)) {
unset($same[$key]);
}
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}
}
}
var_dump($res);
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function base64url_decode($data)
{
return base64_decode(str_pad(strtr($data, '-_', '+/'), strlen($data) % 4, '=', STR_PAD_RIGHT));
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}