<?php

function getcache($str)
{
    $cache = null;
    $cache = new \Doctrine\Common\Cache\FilesystemCache(sys_get_temp_dir(), '.Onedrive');
    return $cache->fetch($str);
}

function savecache($key, $value, $exp = 3300)
{
    $cache = null;
    $cache = new \Doctrine\Common\Cache\FilesystemCache(sys_get_temp_dir(), '.Onedrive');
    $cache->save($key, $value, $exp);
}

function config_oauth()
{
    global $constStr;
    $constStr['language'] = $_COOKIE['language'];
    if ($constStr['language']=='') $constStr['language'] = getConfig('language');
    if ($constStr['language']=='') $constStr['language'] = 'en-us';
    $_SERVER['sitename'] = getConfig('sitename');
    if (empty($_SERVER['sitename'])) $_SERVER['sitename'] = $constStr['defaultSitename'][$constStr['language']];
    $_SERVER['redirect_uri'] = 'https://scfonedrive.github.io';

    if (getConfig('Onedrive_ver')=='MS') {
        // MS
        // https://portal.azure.com
        $_SERVER['client_id'] = '4da3e7f2-bf6d-467c-aaf0-578078f0bf7c';
        $_SERVER['client_secret'] = '7/+ykq2xkfx:.DWjacuIRojIaaWL0QI6';
        $_SERVER['oauth_url'] = 'https://login.microsoftonline.com/common/oauth2/v2.0/';
        $_SERVER['api_url'] = 'https://graph.microsoft.com/v1.0/me/drive/root';
        $_SERVER['scope'] = 'https://graph.microsoft.com/Files.ReadWrite.All offline_access';
    }
    if (getConfig('Onedrive_ver')=='CN') {
        // CN
        // https://portal.azure.cn
        $_SERVER['client_id'] = '04c3ca0b-8d07-4773-85ad-98b037d25631';
        $_SERVER['client_secret'] = 'h8@B7kFVOmj0+8HKBWeNTgl@pU/z4yLB';
        $_SERVER['oauth_url'] = 'https://login.partner.microsoftonline.cn/common/oauth2/v2.0/';
        $_SERVER['api_url'] = 'https://microsoftgraph.chinacloudapi.cn/v1.0/me/drive/root';
        $_SERVER['scope'] = 'https://microsoftgraph.chinacloudapi.cn/Files.ReadWrite.All offline_access';
    }
    if (getConfig('Onedrive_ver')=='MSC') {
        // MS Customer
        // https://portal.azure.com
        $_SERVER['client_id'] = getConfig('client_id');
        $_SERVER['client_secret'] = getConfig('client_secret');
        $_SERVER['oauth_url'] = 'https://login.microsoftonline.com/common/oauth2/v2.0/';
        $_SERVER['api_url'] = 'https://graph.microsoft.com/v1.0/me/drive/root';
        $_SERVER['scope'] = 'https://graph.microsoft.com/Files.ReadWrite.All offline_access';
    }

    $_SERVER['client_secret'] = urlencode($_SERVER['client_secret']);
    $_SERVER['scope'] = urlencode($_SERVER['scope']);
}

function getListpath($domain)
{
    $domain_path = getConfig('domain_path');
    /*$tmp_path='';
    if ($domain_path!='') {
        $tmp = explode("|",$domain_path);
        foreach ($tmp as $multidomain_paths){
            $pos = strpos($multidomain_paths,":");
            $tmp_path = path_format(substr($multidomain_paths,$pos+1));
            if (substr($multidomain_paths,0,$pos)==$host_name) $private_path=$tmp_path;
        }
    }*/
    if (isset($domain_path[$domain])) return spurlencode($domain_path[$domain],'/');
    return spurlencode(getConfig('public_path'),'/');
}

function path_format($path)
{
    $path = '/' . $path;
    while (strpos($path, '//') !== FALSE) {
        $path = str_replace('//', '/', $path);
    }
    return $path;
}

function spurlencode($str,$splite='')
{
    $str = str_replace(' ', '%20',$str);
    $tmp='';
    if ($splite!='') {
        $tmparr=explode($splite,$str);
        for($x=0;$x<count($tmparr);$x++) {
            if ($tmparr[$x]!='') $tmp .= $splite . urlencode($tmparr[$x]);
        }
    } else {
        $tmp = urlencode($str);
    }
    $tmp = str_replace('%2520', '%20',$tmp);
    return $tmp;
}

function is_guestup_path($path)
{
    if (path_format('/'.path_format(urldecode($_SERVER['list_path'].path_format($path))).'/')==path_format('/'.path_format(getConfig('guestup_path')).'/')&&getConfig('guestup_path')!='') return 1;
    return 0;
}

function curl_request($url, $data = false, $headers = [])
{
    if (!isset($headers['Accept'])) $headers['Accept'] = '*/*';
    if (!isset($headers['Referer'])) $headers['Referer'] = $url;
    if (!isset($headers['Content-Type'])) $headers['Content-Type'] = 'application/x-www-form-urlencoded';
    $sendHeaders = array();
    foreach ($headers as $headerName => $headerVal) {
        $sendHeaders[] = $headerName . ': ' . $headerVal;
    }
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    if ($data !== false) {
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
    }
    curl_setopt($ch, CURLOPT_TIMEOUT, 5);
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_HEADER, 0);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
    curl_setopt($ch, CURLOPT_HTTPHEADER, $sendHeaders);
    $response['body'] = curl_exec($ch);
    $response['stat'] = curl_getinfo($ch,CURLINFO_HTTP_CODE);
    curl_close($ch);
    return $response;
}

function clearbehindvalue($path,$page1,$maxpage,$pageinfocache)
{
    for ($page=$page1+1;$page<$maxpage;$page++) {
        $pageinfocache['nextlink_' . $path . '_page_' . $page] = '';
    }
    return $pageinfocache;
}

function comppass($pass)
{
    if ($_POST['password1'] !== '') if (md5($_POST['password1']) === $pass ) {
        date_default_timezone_set('UTC');
        $_SERVER['Set-Cookie'] = 'password='.$pass.'; expires='.date(DATE_COOKIE,strtotime('+1hour'));
        date_default_timezone_set(get_timezone($_COOKIE['timezone']));
        return 2;
    }
    if ($_COOKIE['password'] !== '') if ($_COOKIE['password'] === $pass ) return 3;
    return 4;
}

function encode_str_replace($str)
{
    $str = str_replace('&','&amp;',$str);
    $str = str_replace('+','%2B',$str);
    $str = str_replace('#','%23',$str);
    return $str;
}

function gethiddenpass($path,$passfile)
{
    $ispassfile = fetch_files(spurlencode(path_format($path . '/' . $passfile),'/'));
    //echo $path . '<pre>' . json_encode($ispassfile, JSON_PRETTY_PRINT) . '</pre>';
    if (isset($ispassfile['file'])) {
        $arr = curl_request($ispassfile['@microsoft.graph.downloadUrl']);
        if ($arr['stat']==200) {
            $passwordf=explode("\n",$arr['body']);
            $password=$passwordf[0];
            $password=md5($password);
            return $password;
        } else {
            //return md5('DefaultP@sswordWhenNetworkError');
            return md5( md5(time()).rand(1000,9999) );
        }
    } else {
        if ($path !== '' ) {
            $path = substr($path,0,strrpos($path,'/'));
            return gethiddenpass($path,$passfile);
        } else {
            return '';
        }
    }
    return md5('DefaultP@sswordWhenNetworkError');
}

function get_timezone($timezone = '8')
{
    $timezones = array( 
        '-12'=>'Pacific/Kwajalein', 
        '-11'=>'Pacific/Samoa', 
        '-10'=>'Pacific/Honolulu', 
        '-9'=>'America/Anchorage', 
        '-8'=>'America/Los_Angeles', 
        '-7'=>'America/Denver', 
        '-6'=>'America/Mexico_City', 
        '-5'=>'America/New_York', 
        '-4'=>'America/Caracas', 
        '-3.5'=>'America/St_Johns', 
        '-3'=>'America/Argentina/Buenos_Aires', 
        '-2'=>'America/Noronha',
        '-1'=>'Atlantic/Azores', 
        '0'=>'UTC', 
        '1'=>'Europe/Paris', 
        '2'=>'Europe/Helsinki', 
        '3'=>'Europe/Moscow', 
        '3.5'=>'Asia/Tehran', 
        '4'=>'Asia/Baku', 
        '4.5'=>'Asia/Kabul', 
        '5'=>'Asia/Karachi', 
        '5.5'=>'Asia/Calcutta', //Asia/Colombo
        '6'=>'Asia/Dhaka',
        '6.5'=>'Asia/Rangoon', 
        '7'=>'Asia/Bangkok', 
        '8'=>'Asia/Shanghai', 
        '9'=>'Asia/Tokyo', 
        '9.5'=>'Australia/Darwin', 
        '10'=>'Pacific/Guam', 
        '11'=>'Asia/Magadan', 
        '12'=>'Asia/Kamchatka'
    );
    if ($timezone=='') $timezone = '8';
    return $timezones[$timezone];
}

function message($message, $title = 'Message', $statusCode = 200)
{
    return output('<html><meta charset=utf-8><body><h1>' . $title . '</h1><p>' . $message . '</p></body></html>', $statusCode);
}

function needUpdate()
{
    if ($_SERVER['admin']) {
        $current_ver = file_get_contents(__DIR__ . '/version');
        $current_ver = substr($current_ver, strpos($current_ver, '.')+1);
        $current_ver = explode(urldecode('%0A'),$current_ver)[0];
        $current_ver = explode(urldecode('%0D'),$current_ver)[0];
        $github_version = file_get_contents('https://raw.githubusercontent.com/qkqpttgf/OneManager-php/master/version');
        $github_ver = substr($github_version, strpos($github_version, '.')+1);
        $github_ver = explode(urldecode('%0A'),$github_ver)[0];
        $github_ver = explode(urldecode('%0D'),$github_ver)[0];
        if ($current_ver != $github_ver) {
            $_SERVER['github_version'] = $github_version;
            return 1;
        }
    }
    return 0;
}

function output($body, $statusCode = 200, $headers = ['Content-Type' => 'text/html'], $isBase64Encoded = false)
{
    return [
        'isBase64Encoded' => $isBase64Encoded,
        'statusCode' => $statusCode,
        'headers' => $headers,
        'body' => $body
    ];
}

function passhidden($path)
{
    $path = str_replace('+','%2B',$path);
    $path = str_replace('&amp;','&', path_format(urldecode($path)));
    if (getConfig('passfile') != '') {
        if (substr($path,-1)=='/') $path=substr($path,0,-1);
        $hiddenpass=gethiddenpass($path,getConfig('passfile'));
        if ($hiddenpass != '') {
            return comppass($hiddenpass);
        } else {
            return 1;
        }
    } else {
        return 0;
    }
    return 4;
}

function size_format($byte)
{
    $i = 0;
    while (abs($byte) >= 1024) {
        $byte = $byte / 1024;
        $i++;
        if ($i == 3) break;
    }
    $units = array('B', 'KB', 'MB', 'GB', 'TB');
    $ret = round($byte, 2);
    return ($ret . ' ' . $units[$i]);
}

function time_format($ISO)
{
    $ISO = str_replace('T', ' ', $ISO);
    $ISO = str_replace('Z', ' ', $ISO);
    //return $ISO;
    return date('Y-m-d H:i:s',strtotime($ISO . " UTC"));
}

function get_thumbnails_url($path = '/')
{
    $path1 = path_format($path);
    $path = path_format($_SERVER['list_path'] . path_format($path));
    $url = $_SERVER['api_url'];
    if ($path !== '/') {
        $url .= ':' . $path;
        if (substr($url,-1)=='/') $url=substr($url,0,-1);
    }
    $url .= ':/thumbnails/0/medium';
    $files = json_decode(curl_request($url, false, ['Authorization' => 'Bearer ' . $_SERVER['access_token']])['body'], true);
    if (isset($files['url'])) return output($files['url']);
    return output('', 404);
}