mirror of
https://github.com/wallabag/wallabag.git
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262 lines
No EOL
8.7 KiB
PHP
262 lines
No EOL
8.7 KiB
PHP
<?php
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/**
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* poche, a read it later open source system
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*
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* @category poche
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* @author Nicolas Lœuillet <support@inthepoche.com>
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* @copyright 2013
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* @license http://www.wtfpl.net/ see COPYING file
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*/
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class Tools
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{
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public static function initPhp()
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{
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define('START_TIME', microtime(true));
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if (phpversion() < 5) {
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die(_('Oops, it seems you don\'t have PHP 5.'));
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}
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error_reporting(E_ALL);
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function stripslashesDeep($value) {
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return is_array($value)
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? array_map('stripslashesDeep', $value)
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: stripslashes($value);
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}
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if (get_magic_quotes_gpc()) {
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$_POST = array_map('stripslashesDeep', $_POST);
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$_GET = array_map('stripslashesDeep', $_GET);
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$_COOKIE = array_map('stripslashesDeep', $_COOKIE);
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}
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ob_start();
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register_shutdown_function('ob_end_flush');
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}
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public static function getPocheUrl()
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{
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$https = (!empty($_SERVER['HTTPS'])
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&& (strtolower($_SERVER['HTTPS']) == 'on'))
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|| (isset($_SERVER["SERVER_PORT"])
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&& $_SERVER["SERVER_PORT"] == '443'); // HTTPS detection.
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$serverport = (!isset($_SERVER["SERVER_PORT"])
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|| $_SERVER["SERVER_PORT"] == '80'
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|| ($https && $_SERVER["SERVER_PORT"] == '443')
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? '' : ':' . $_SERVER["SERVER_PORT"]);
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$scriptname = str_replace('/index.php', '/', $_SERVER["SCRIPT_NAME"]);
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if (!isset($_SERVER["SERVER_NAME"])) {
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return $scriptname;
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}
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return 'http' . ($https ? 's' : '') . '://'
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. $_SERVER["SERVER_NAME"] . $serverport . $scriptname;
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}
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public static function redirect($url = '')
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{
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if ($url === '') {
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$url = (empty($_SERVER['HTTP_REFERER'])?'?':$_SERVER['HTTP_REFERER']);
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if (isset($_POST['returnurl'])) {
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$url = $_POST['returnurl'];
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}
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}
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# prevent loop
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if (empty($url) || parse_url($url, PHP_URL_QUERY) === $_SERVER['QUERY_STRING']) {
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$url = Tools::getPocheUrl();
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}
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if (substr($url, 0, 1) !== '?') {
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$ref = Tools::getPocheUrl();
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if (substr($url, 0, strlen($ref)) !== $ref) {
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$url = $ref;
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}
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}
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self::logm('redirect to ' . $url);
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header('Location: '.$url);
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exit();
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}
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public static function getTplFile($view)
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{
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$tpl_file = 'home.twig';
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switch ($view)
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{
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case 'install':
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$tpl_file = 'install.twig';
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break;
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case 'import';
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$tpl_file = 'import.twig';
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break;
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case 'export':
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$tpl_file = 'export.twig';
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break;
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case 'config':
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$tpl_file = 'config.twig';
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break;
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case 'view':
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$tpl_file = 'view.twig';
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break;
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default:
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break;
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}
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return $tpl_file;
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}
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public static function getFile($url)
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{
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$timeout = 15;
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$useragent = "Mozilla/5.0 (Windows NT 5.1; rv:18.0) Gecko/20100101 Firefox/18.0";
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if (in_array ('curl', get_loaded_extensions())) {
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# Fetch feed from URL
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$curl = curl_init();
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curl_setopt($curl, CURLOPT_URL, $url);
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curl_setopt($curl, CURLOPT_TIMEOUT, $timeout);
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curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
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curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($curl, CURLOPT_HEADER, false);
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# for ssl, do not verified certificate
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curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
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curl_setopt($curl, CURLOPT_AUTOREFERER, TRUE );
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# FeedBurner requires a proper USER-AGENT...
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curl_setopt($curl, CURL_HTTP_VERSION_1_1, true);
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curl_setopt($curl, CURLOPT_ENCODING, "gzip, deflate");
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curl_setopt($curl, CURLOPT_USERAGENT, $useragent);
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$data = curl_exec($curl);
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$httpcode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
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$httpcodeOK = isset($httpcode) and ($httpcode == 200 or $httpcode == 301);
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curl_close($curl);
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} else {
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# create http context and add timeout and user-agent
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$context = stream_context_create(
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array(
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'http' => array(
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'timeout' => $timeout,
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'header' => "User-Agent: " . $useragent,
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'follow_location' => true
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),
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'ssl' => array(
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'verify_peer' => false,
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'allow_self_signed' => true
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)
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)
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);
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# only download page lesser than 4MB
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$data = @file_get_contents($url, false, $context, -1, 4000000);
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if (isset($http_response_header) and isset($http_response_header[0])) {
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$httpcodeOK = isset($http_response_header) and isset($http_response_header[0]) and ((strpos($http_response_header[0], '200 OK') !== FALSE) or (strpos($http_response_header[0], '301 Moved Permanently') !== FALSE));
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}
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}
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# if response is not empty and response is OK
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if (isset($data) and isset($httpcodeOK) and $httpcodeOK) {
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# take charset of page and get it
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preg_match('#<meta .*charset=.*>#Usi', $data, $meta);
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# if meta tag is found
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if (!empty($meta[0])) {
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preg_match('#charset="?(.*)"#si', $meta[0], $encoding);
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# if charset is found set it otherwise, set it to utf-8
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$html_charset = (!empty($encoding[1])) ? strtolower($encoding[1]) : 'utf-8';
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if (empty($encoding[1])) $encoding[1] = 'utf-8';
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} else {
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$html_charset = 'utf-8';
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$encoding[1] = '';
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}
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# replace charset of url to charset of page
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$data = str_replace('charset=' . $encoding[1], 'charset=' . $html_charset, $data);
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return $data;
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}
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else {
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return FALSE;
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}
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}
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public static function renderJson($data)
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{
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header('Cache-Control: no-cache, must-revalidate');
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header('Expires: Sat, 26 Jul 1997 05:00:00 GMT');
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header('Content-type: application/json; charset=UTF-8');
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echo json_encode($data);
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exit();
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}
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public static function logm($message)
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{
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if (DEBUG_POCHE) {
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$t = strval(date('Y/m/d_H:i:s')) . ' - ' . $_SERVER["REMOTE_ADDR"] . ' - ' . strval($message) . "\n";
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file_put_contents(CACHE . '/log.txt', $t, FILE_APPEND);
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error_log('DEBUG POCHE : ' . $message);
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}
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}
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public static function encodeString($string)
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{
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return sha1($string . SALT);
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}
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public static function checkVar($var, $default = '')
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{
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return ((isset ($_REQUEST["$var"])) ? htmlentities($_REQUEST["$var"]) : $default);
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}
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public static function getDomain($url)
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{
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$pieces = parse_url($url);
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$domain = isset($pieces['host']) ? $pieces['host'] : '';
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if (preg_match('/(?P<domain>[a-z0-9][a-z0-9\-]{1,63}\.[a-z\.]{2,6})$/i', $domain, $regs)) {
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return $regs['domain'];
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}
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return FALSE;
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}
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public static function getReadingTime($text) {
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$word = str_word_count(strip_tags($text));
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$minutes = floor($word / 200);
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$seconds = floor($word % 200 / (200 / 60));
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$time = array('minutes' => $minutes, 'seconds' => $seconds);
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return $minutes;
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}
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public static function createMyConfig()
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{
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$myconfig_file = './inc/poche/myconfig.inc.php';
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if (version_compare(POCHE_VERSION, '1.0-beta3') == 1) {
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# $myconfig_file is only created with poche > 1.0-beta3
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# in 1.0-beta3, the update script creates $myconfig_file
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if (!is_writable('./inc/poche/')) {
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self::logm('you don\'t have write access to create ./inc/poche/myconfig.inc.php');
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die('You don\'t have write access to create ./inc/poche/myconfig.inc.php.');
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}
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if (!file_exists($myconfig_file))
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{
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$fp = fopen($myconfig_file, 'w');
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fwrite($fp, '<?php'."\r\n");
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fwrite($fp, "define ('POCHE_VERSION', '1.0-beta3');" . "\r\n");
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fwrite($fp, "define ('SALT', '" . md5(time() . $_SERVER['SCRIPT_FILENAME'] . rand()) . "');" . "\r\n");
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fwrite($fp, "define ('LANG', 'en_EN.utf8');" . "\r\n");
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fclose($fp);
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}
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}
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}
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} |