-// Checks if an update is available for Shaarli.
-// (at most once a day, and only for registered user.)
-// Output: '' = no new version.
-// other= the available version.
-function checkUpdate()
-{
- if (!isLoggedIn()) return ''; // Do not check versions for visitors.
- if (empty($GLOBALS['config']['ENABLE_UPDATECHECK'])) return ''; // Do not check if the user doesn't want to.
-
- // Get latest version number at most once a day.
- if (!is_file($GLOBALS['config']['UPDATECHECK_FILENAME']) || (filemtime($GLOBALS['config']['UPDATECHECK_FILENAME'])<time()-($GLOBALS['config']['UPDATECHECK_INTERVAL'])))
- {
- $version = shaarli_version;
- list($headers, $data) = get_http_url('https://raw.githubusercontent.com/shaarli/Shaarli/master/shaarli_version.php', 2);
- if (strpos($headers[0], '200 OK') !== false) {
- $version = str_replace(' */ ?>', '', str_replace('<?php /* ', '', $data));
- }
- // If failed, never mind. We don't want to bother the user with that.
- file_put_contents($GLOBALS['config']['UPDATECHECK_FILENAME'],$version); // touch file date
- }
- // Compare versions:
- $newestversion=file_get_contents($GLOBALS['config']['UPDATECHECK_FILENAME']);
- if (version_compare($newestversion,shaarli_version)==1) return $newestversion;
- return '';
-}
-
-
-// -----------------------------------------------------------------------------------------------
-// Log to text file
-function logm($message)
-{
- $t = strval(date('Y/m/d_H:i:s')).' - '.$_SERVER["REMOTE_ADDR"].' - '.strval($message)."\n";
- file_put_contents($GLOBALS['config']['DATADIR'].'/log.txt',$t,FILE_APPEND);
-}
-
-// In a string, converts URLs to clickable links.
-// Function inspired from http://www.php.net/manual/en/function.preg-replace.php#85722
-function text2clickable($url)
-{
- $redir = empty($GLOBALS['redirector']) ? '' : $GLOBALS['redirector'];
- return preg_replace('!(((?:https?|ftp|file)://|apt:|magnet:)\S+[[:alnum:]]/?)!si','<a href="'.$redir.'$1" rel="nofollow">$1</a>',$url);
-}
-
-// This function inserts where relevant so that multiple spaces are properly displayed in HTML
-// even in the absence of <pre> (This is used in description to keep text formatting)
-function keepMultipleSpaces($text)
-{
- return str_replace(' ',' ',$text);
-
-}
-// ------------------------------------------------------------------------------------------
-// Sniff browser language to display dates in the right format automatically.
-// (Note that is may not work on your server if the corresponding local is not installed.)
-function autoLocale()
-{
- $attempts = array('en_US'); // Default if browser does not send HTTP_ACCEPT_LANGUAGE
- if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) // e.g. "fr,fr-fr;q=0.8,en;q=0.5,en-us;q=0.3"
- { // (It's a bit crude, but it works very well. Preferred language is always presented first.)
- if (preg_match('/([a-z]{2})-?([a-z]{2})?/i',$_SERVER['HTTP_ACCEPT_LANGUAGE'],$matches)) {
- $loc = $matches[1] . (!empty($matches[2]) ? '_' . strtoupper($matches[2]) : '');
- $attempts = array($loc.'.UTF-8', $loc, str_replace('_', '-', $loc).'.UTF-8', str_replace('_', '-', $loc),
- $loc . '_' . strtoupper($loc).'.UTF-8', $loc . '_' . strtoupper($loc),
- $loc . '_' . $loc.'.UTF-8', $loc . '_' . $loc, $loc . '-' . strtoupper($loc).'.UTF-8',
- $loc . '-' . strtoupper($loc), $loc . '-' . $loc.'.UTF-8', $loc . '-' . $loc);
- }
- }
- setlocale(LC_TIME, $attempts); // LC_TIME = Set local for date/time format only.
-}
-