X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=inc%2Fpoche%2FTools.class.php;h=55fedac8df38fad0c87b6e3e8bf4029f0a6811f9;hb=d5c481c2f40f1d05750a7020df1f129439627247;hp=c277035febdcb0b972d8c69f880a37b4141c3663;hpb=eb1af592194e225bf887e4893e697f0ab8dd9a26;p=github%2Fwallabag%2Fwallabag.git diff --git a/inc/poche/Tools.class.php b/inc/poche/Tools.class.php old mode 100644 new mode 100755 index c277035f..55fedac8 --- a/inc/poche/Tools.class.php +++ b/inc/poche/Tools.class.php @@ -1,25 +1,22 @@ + * @category wallabag + * @author Nicolas Lœuillet * @copyright 2013 - * @license http://www.wtfpl.net/ see COPYING file + * @license http://opensource.org/licenses/MIT see COPYING file */ - -class Tools + +final class Tools { + /** + * Initialize PHP environment + */ public static function initPhp() { define('START_TIME', microtime(true)); - if (phpversion() < 5) { - die(_('Oops, it seems you don\'t have PHP 5.')); - } - - error_reporting(E_ALL); - function stripslashesDeep($value) { return is_array($value) ? array_map('stripslashesDeep', $value) @@ -36,27 +33,49 @@ class Tools register_shutdown_function('ob_end_flush'); } + /** + * Get wallabag instance URL + * + * @return string + */ public static function getPocheUrl() { $https = (!empty($_SERVER['HTTPS']) && (strtolower($_SERVER['HTTPS']) == 'on')) || (isset($_SERVER["SERVER_PORT"]) - && $_SERVER["SERVER_PORT"] == '443'); // HTTPS detection. + && $_SERVER["SERVER_PORT"] == '443') // HTTPS detection. + || (isset($_SERVER["SERVER_PORT"]) //Custom HTTPS port detection + && $_SERVER["SERVER_PORT"] == SSL_PORT) + || (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) + && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https'); + $serverport = (!isset($_SERVER["SERVER_PORT"]) || $_SERVER["SERVER_PORT"] == '80' || ($https && $_SERVER["SERVER_PORT"] == '443') + || ($https && $_SERVER["SERVER_PORT"]==SSL_PORT) //Custom HTTPS port detection ? '' : ':' . $_SERVER["SERVER_PORT"]); $scriptname = str_replace('/index.php', '/', $_SERVER["SCRIPT_NAME"]); - if (!isset($_SERVER["SERVER_NAME"])) { + if (!isset($_SERVER["HTTP_HOST"])) { return $scriptname; } + $host = (isset($_SERVER['HTTP_X_FORWARDED_HOST']) ? $_SERVER['HTTP_X_FORWARDED_HOST'] : (isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : $_SERVER['SERVER_NAME'])); + + if (strpos($host, ':') !== false) { + $serverport = ''; + } + return 'http' . ($https ? 's' : '') . '://' - . $_SERVER["SERVER_NAME"] . $serverport . $scriptname; + . $host . $serverport . $scriptname; } + /** + * Redirects to a URL + * + * @param string $url + */ public static function redirect($url = '') { if ($url === '') { @@ -77,36 +96,34 @@ class Tools $url = $ref; } } + + self::logm('redirect to ' . $url); header('Location: '.$url); exit(); } + /** + * Returns name of the template file to display + * + * @param $view + * @return string + */ public static function getTplFile($view) { - $tpl_file = 'home.twig'; - switch ($view) - { - case 'install': - $tpl_file = 'install.twig'; - break; - case 'import'; - $tpl_file = 'import.twig'; - break; - case 'export': - $tpl_file = 'export.twig'; - break; - case 'config': - $tpl_file = 'config.twig'; - break; - case 'view': - $tpl_file = 'view.twig'; - break; - default: - break; - } - return $tpl_file; + $views = array( + 'install', 'import', 'export', 'config', 'tags', + 'edit-tags', 'view', 'login', 'error' + ); + + return (in_array($view, $views) ? $view . '.twig' : 'home.twig'); } + /** + * Download a file (typically, for downloading pictures on web server) + * + * @param $url + * @return bool|mixed|string + */ public static function getFile($url) { $timeout = 15; @@ -117,7 +134,9 @@ class Tools $curl = curl_init(); curl_setopt($curl, CURLOPT_URL, $url); curl_setopt($curl, CURLOPT_TIMEOUT, $timeout); - curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true); + if (!ini_get('open_basedir') && !ini_get('safe_mode')) { + curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true); + } curl_setopt($curl, CURLOPT_RETURNTRANSFER, true); curl_setopt($curl, CURLOPT_HEADER, false); @@ -151,7 +170,7 @@ class Tools ); # only download page lesser than 4MB - $data = @file_get_contents($url, false, $context, -1, 4000000); + $data = @file_get_contents($url, false, $context, -1, 4000000); if (isset($http_response_header) and isset($http_response_header[0])) { $httpcodeOK = isset($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)); @@ -169,6 +188,7 @@ class Tools preg_match('#charset="?(.*)"#si', $meta[0], $encoding); # if charset is found set it otherwise, set it to utf-8 $html_charset = (!empty($encoding[1])) ? strtolower($encoding[1]) : 'utf-8'; + if (empty($encoding[1])) $encoding[1] = 'utf-8'; } else { $html_charset = 'utf-8'; $encoding[1] = ''; @@ -184,6 +204,11 @@ class Tools } } + /** + * Headers for JSON export + * + * @param $data + */ public static function renderJson($data) { header('Cache-Control: no-cache, must-revalidate'); @@ -193,16 +218,195 @@ class Tools exit(); } + /** + * Create new line in log file + * + * @param $message + */ public static function logm($message) { - if (DEBUG_POCHE) { + if (DEBUG_POCHE && php_sapi_name() != 'cli') { $t = strval(date('Y/m/d_H:i:s')) . ' - ' . $_SERVER["REMOTE_ADDR"] . ' - ' . strval($message) . "\n"; - file_put_contents('./log.txt', $t, FILE_APPEND); + file_put_contents(CACHE . '/log.txt', $t, FILE_APPEND); + error_log('DEBUG POCHE : ' . $message); } } - public static function encodeString($string) + /** + * Encode a URL by using a salt + * + * @param $string + * @return string + */ + public static function encodeString($string) { return sha1($string . SALT); } -} \ No newline at end of file + + /** + * Cleans a variable + * + * @param $var + * @param string $default + * @return string + */ + public static function checkVar($var, $default = '') + { + return ((isset($_REQUEST["$var"])) ? htmlentities($_REQUEST["$var"]) : $default); + } + + /** + * Returns the domain name for a URL + * + * @param $url + * @return string + */ + public static function getDomain($url) + { + return parse_url($url, PHP_URL_HOST); + } + + /** + * For a given text, we calculate reading time for an article + * + * @param $text + * @return float + */ + public static function getReadingTime($text) + { + return floor(str_word_count(strip_tags($text)) / 200); + } + + /** + * Returns the correct header for a status code + * + * @param $status_code + */ + private static function _status($status_code) + { + if (strpos(php_sapi_name(), 'apache') !== false) { + + header('HTTP/1.0 '.$status_code); + } + else { + + header('Status: '.$status_code); + } + } + + /** + * Get the content for a given URL (by a call to FullTextFeed) + * + * @param Url $url + * @return mixed + */ + public static function getPageContent(Url $url) + { + // Saving and clearing context + $REAL = array(); + foreach( $GLOBALS as $key => $value ) { + if( $key != 'GLOBALS' && $key != '_SESSION' && $key != 'HTTP_SESSION_VARS' ) { + $GLOBALS[$key] = array(); + $REAL[$key] = $value; + } + } + // Saving and clearing session + if (isset($_SESSION)) { + $REAL_SESSION = array(); + foreach( $_SESSION as $key => $value ) { + $REAL_SESSION[$key] = $value; + unset($_SESSION[$key]); + } + } + + // Running code in different context + $scope = function() { + extract( func_get_arg(1) ); + $_GET = $_REQUEST = array( + "url" => $url->getUrl(), + "max" => 5, + "links" => "preserve", + "exc" => "", + "format" => "json", + "submit" => "Create Feed" + ); + ob_start(); + require func_get_arg(0); + $json = ob_get_contents(); + ob_end_clean(); + return $json; + }; + + $json = $scope("inc/3rdparty/makefulltextfeed.php", array("url" => $url)); + + // Clearing and restoring context + foreach ($GLOBALS as $key => $value) { + if($key != "GLOBALS" && $key != "_SESSION" ) { + unset($GLOBALS[$key]); + } + } + foreach ($REAL as $key => $value) { + $GLOBALS[$key] = $value; + } + + // Clearing and restoring session + if (isset($REAL_SESSION)) { + foreach($_SESSION as $key => $value) { + unset($_SESSION[$key]); + } + + foreach($REAL_SESSION as $key => $value) { + $_SESSION[$key] = $value; + } + } + + return json_decode($json, true); + } + + /** + * Returns whether we handle an AJAX (XMLHttpRequest) request. + * + * @return boolean whether we handle an AJAX (XMLHttpRequest) request. + */ + public static function isAjaxRequest() + { + return isset($_SERVER['HTTP_X_REQUESTED_WITH']) && $_SERVER['HTTP_X_REQUESTED_WITH']==='XMLHttpRequest'; + } + + /* + * Empty cache folder + */ + public static function emptyCache() + { + $files = new RecursiveIteratorIterator( + new RecursiveDirectoryIterator(CACHE, RecursiveDirectoryIterator::SKIP_DOTS), + RecursiveIteratorIterator::CHILD_FIRST + ); + + foreach ($files as $fileInfo) { + $todo = ($fileInfo->isDir() ? 'rmdir' : 'unlink'); + $todo($fileInfo->getRealPath()); + } + + Tools::logm('empty cache'); + Tools::redirect(); + } + + public static function generateToken() + { + if (ini_get('open_basedir') === '') { + if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') { + // alternative to /dev/urandom for Windows + $token = substr(base64_encode(uniqid(mt_rand(), true)), 0, 20); + } else { + $token = substr(base64_encode(file_get_contents('/dev/urandom', false, null, 0, 20)), 0, 15); + } + } + else { + $token = substr(base64_encode(uniqid(mt_rand(), true)), 0, 20); + } + + return str_replace('+', '', $token); + } + +}