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huangjx
257
lib/Tools/Helper.php
Normal file
257
lib/Tools/Helper.php
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<?php
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namespace OCA\NcDownloader\Tools;
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use OCA\NcDownloader\Tools\aria2Options;
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class Helper
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{
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public static function isUrl($URL)
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{
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$URLPattern = '%^(?:(?:https?|ftp)://)(?:\S+(?::\S*)?@|\d{1,3}(?:\.\d{1,3}){3}|(?:(?:[a-z\d\x{00a1}-\x{ffff}'
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. ']+-?)*[a-z\d\x{00a1}-\x{ffff}]+)(?:\.(?:[a-z\d\x{00a1}-\x{ffff}]+-?)*[a-z\d\x{00a1}-\x{ffff}]+)*(?:\.'
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. '[a-z\x{00a1}-\x{ffff}]{2,6}))(?::\d+)?(?:[^\s]*)?$%iu';
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preg_match($URLPattern, $URL, $Matches);
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if (count($Matches) === 1) {
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return true;
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}
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return false;
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}
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public static function isMagnet($url)
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{
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$scheme = parse_url($url, PHP_URL_SCHEME);
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return strtolower($scheme) == "magnet";
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}
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public static function isHttp($url)
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{
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$scheme = parse_url($url, PHP_URL_SCHEME);
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return (in_array($scheme, array('http', 'https')));
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}
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public static function isFtp($url)
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{
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$scheme = parse_url($url, PHP_URL_SCHEME);
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return strtolower($scheme) == "ftp";
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}
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public static function isGetUrlSite($url)
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{
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$host = parse_url($url, PHP_URL_HOST);
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$sites = ['twitter.com', 'youtube.com'];
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return (bool) (in_array($host, $sites));
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}
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public static function parseUrl($url)
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{
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parse_str(str_replace('tr=', 'tr[]=', parse_url($url, PHP_URL_QUERY)), $query);
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return $query;
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}
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public static function getUrlPath($url)
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{
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$path = parse_url($url, PHP_URL_PATH);
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return self::cleanString(basename($path));
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}
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public static function getFilename($url)
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{
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if (self::isMagnet($url)) {
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return self::parseUrl($url)['dn'];
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} else {
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return self::getUrlPath($url);
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}
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}
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public static function formatBytes($size, $precision = 2)
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{
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if ($size < 1) {
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return '0';
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}
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$base = log($size, 1024);
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$suffixes = array('', 'K', 'M', 'G', 'T');
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return round(pow(1024, $base - floor($base)), $precision) . ' ' . $suffixes[floor($base)];
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}
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public static function checkMediaType($url, $type = 'video/mp4')
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{
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$result = parse_url($url);
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if (isset($result['scheme']) && self::isHttp($url)) {
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if (isset($result['query'])) {
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parse_str($result['query'], $output);
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if (!isset($output['mime'])) {
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return false;
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}
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}
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return (bool) ($output['mime'] == trim($type));
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}
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return false;
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}
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public static function isYoutubeType($url)
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{
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$regex = '%^(?:(?:https?)://)(?:[a-z0-9_]*\.)?(?:twitter|youtube)\.com/%i';
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return (bool) preg_match($regex, $url);
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}
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public static function cleanString($string)
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{
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$replace = array
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(
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'/[áàâãªä]/u' => 'a',
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'/[ÁÀÂÃÄ]/u' => 'A',
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'/[ÍÌÎÏ]/u' => 'I',
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'/[íìîï]/u' => 'i',
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'/[éèêë]/u' => 'e',
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'/[ÉÈÊË]/u' => 'E',
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'/[óòôõºö]/u' => 'o',
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'/[ÓÒÔÕÖ]/u' => 'O',
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'/[úùûü]/u' => 'u',
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'/[ÚÙÛÜ]/u' => 'U',
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'/ç/' => 'c',
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'/Ç/' => 'C',
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'/ñ/' => 'n',
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'/Ñ/' => 'N',
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'/–/' => '-', // UTF-8 hyphen to "normal" hyphen
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'/[’‘‹›‚]/u' => '', // Literally a single quote
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'/[“”«»„]/u' => '', // Double quote
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'/ /' => '_', // nonbreaking space(equiv. to 0x160)
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'/[^a-z0-9_\s.-]/i' => '_',
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);
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return preg_replace(array_keys($replace), array_values($replace), $string);
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}
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public static function debug($msg)
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{
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$logger = \OC::$server->getLogger();
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$logger->debug($msg, ['app' => 'ncdownloader']);
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}
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public static function log($msg, $file = "/tmp/nc.log")
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{
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file_put_contents($file, print_r($msg, true));
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}
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public static function filterData($data, $filter = null)
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{
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if (!isset($filter)) {
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$filter = array(
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'status', 'followedBy', 'totalLength', 'errorMessage', 'dir', 'uploadLength', 'completedLength', 'downloadSpeed', 'files', 'numSeeders', 'connections', 'gid', 'following',
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);
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}
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$value = array_filter($data, function ($k) use ($filter) {
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return (in_array($k, $filter));
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}, ARRAY_FILTER_USE_KEY);
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return $value;
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}
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public function getFolderName($folder, $prefix)
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{
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$folder = ltrim($folder, $prefix);
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return substr($folder, 0, strpos($folder, '/'));
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}
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public static function Download($url, $file = null)
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{
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if (!isset($file)) {
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$file = "/tmp/" . self::getFilename($url);
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}
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_URL, $url);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
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curl_setopt($ch, CURLOPT_HEADER, 1);
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curl_setopt($ch, CURLOPT_BINARYTRANSFER, 1);
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curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
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$result = curl_exec($ch);
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curl_close($ch);
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file_put_contents($file, $result);
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}
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public static function is_function_enabled($function_name)
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{
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if (!function_exists($function_name)) {
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return false;
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}
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$ini = \OC::$server->getIniWrapper();
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$disabled = explode(',', $ini->get('disable_functions') ?: '');
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$disabled = array_map('trim', $disabled);
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if (in_array($function_name, $disabled)) {
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return false;
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}
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$disabled = explode(',', $ini->get('suhosin.executor.func.blacklist') ?: '');
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$disabled = array_map('trim', $disabled);
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if (in_array($function_name, $disabled)) {
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return false;
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}
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return true;
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}
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public static function findBinaryPath($program)
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{
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$memcache = \OC::$server->getMemCacheFactory()->createDistributed('findBinaryPath');
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if ($memcache->hasKey($program)) {
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return $memcache->get($program);
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}
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$dataPath = \OC::$server->getSystemConfig()->getValue('datadirectory');
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$paths = ['/usr/local/sbin', '/usr/local/bin', '/usr/sbin', '/usr/bin', '/sbin', '/bin', '/opt/bin', $dataPath . "/bin"];
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$result = null;
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if (self::is_function_enabled('exec')) {
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$exeSniffer = new ExecutableFinder();
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// Returns null if nothing is found
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$result = $exeSniffer->find($program, null, $paths);
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}
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// store the value for 5 minutes
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$memcache->set($program, $result, 300);
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return $result;
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}
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public static function formatInterval($interval, $granularity = 2)
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{
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$units = array(
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'1 year|years' => 31536000,
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'1 monthmonths' => 2592000,
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'1 week|weeks' => 604800,
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'1 day|days' => 86400,
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'1 hour|hours' => 3600,
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'1 min|mins' => 60,
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'1 sec|sec' => 1,
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);
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$output = '';
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foreach ($units as $key => $value) {
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$key = explode('|', $key);
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if ($interval >= $value) {
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$output .= ($output ? ' ' : '') . self::formatPlural(floor($interval / $value), $key[0], $key[1]);
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$interval %= $value;
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$granularity--;
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}
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if ($granularity == 0) {
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break;
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}
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}
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return $output ? $output : '0 sec';
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}
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public static function formatPlural($count, $singular, $plural)
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{
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if ($count == 1) {
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return $singular;
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} else {
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return $count . " " . $plural;
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}
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}
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public static function aria2Options()
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{
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return aria2Options::get();
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}
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public static function getTableTitles($type = null)
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{
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$general = ['filename', 'status', 'actions'];
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if(!isset($type)){
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return $general;
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}
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$titles = [
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'active' => ['filename', 'speed', 'progress', 'actions'],
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'waiting' => $general,
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'fail' => $general,
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'complete' => $general,
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];
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return $titles[$type];
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}
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}
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