<?php

$config = yii\helpers\ArrayHelper::merge(
    require __DIR__ . '/../config/main.php',
    require __DIR__ . '/../config/main-local.php'
);
function byteLength($string)
{
    return mb_strlen($string, '8bit');
}
function byteSubstr($string, $start, $length = null){
    if ($length === null) {
        $length = byteLength($string);
    }
    return mb_substr($string, $start, $length, '8bit');
}
function compareString($expected, $actual)
{
    if (!is_string($expected)) {
        throw new Exception('Expected expected value to be a string, ' . gettype($expected) . ' given.');
    }

    if (!is_string($actual)) {
        throw new Exception('Expected actual value to be a string, ' . gettype($actual) . ' given.');
    }

    if (function_exists('hash_equals')) {
        return hash_equals($expected, $actual);
    }

    $expected .= "\0";
    $actual .= "\0";
    $expectedLength = byteLength($expected);
    $actualLength = byteLength($actual);
    $diff = $expectedLength - $actualLength;
    for ($i = 0; $i < $actualLength; $i++) {
        $diff |= (ord($actual[$i]) ^ ord($expected[$i % $expectedLength]));
    }

    return $diff === 0;
}

function validateData($data, $key, $rawHash = false)
{
    $macHash = 'sha256';
    $test = @hash_hmac($macHash, '', '', $rawHash);
    if (!$test) {
        throw new Exception('Failed to generate HMAC with hash algorithm: ' . $macHash);
    }
    $hashLength = byteLength($test);
    if (byteLength($data) >= $hashLength) {
        $hash = byteSubstr($data, 0, $hashLength);
        $pureData = byteSubstr($data, $hashLength, null);

        $calculatedHash = hash_hmac($macHash, $pureData, $key, $rawHash);

        if (compareString($hash, $calculatedHash)) {
            return $pureData;
        }
    }

    return false;
}
$rawHash = false;
$key = $config['components']['request']['cookieValidationKey'];
unset($config['components']['user']['loginUrl']);
foreach ($_COOKIE as $name => $value) {
    $data  = validateData($value, $key);
    if ($data === false) {
        continue;
    }
    if (defined('PHP_VERSION_ID') && PHP_VERSION_ID >= 70000) {
        $data = @unserialize($data, ['allowed_classes' => false]);
    } else {
        $data = @unserialize($data);
    }
    if (is_array($data) && isset($data[0], $data[1]) && $data[0] === $name) {
        $cookies_value_arr = json_decode($data[1],true);
//        if($name==$config['components']['user']['identityCookie']['name']){
        if(in_array($name,[$config['components']['user']['identityCookie']['name'],$config['components']['store_user']['identityCookie']['name'],$config['components']['mch_user']['identityCookie']['name']])){
            $config['components']['session']['cookieParams']['lifetime'] = isset( $cookies_value_arr[2])? $cookies_value_arr[2]:3600;
            $config['components']['session']['timeout'] = isset( $cookies_value_arr[2])? $cookies_value_arr[2]:3600;
        }
    }
}


return $config;