mirror of
https://github.com/vichan-devel/vichan.git
synced 2024-12-11 07:16:10 +01:00
189 lines
4.1 KiB
PHP
189 lines
4.1 KiB
PHP
<?php
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defined('TINYBOARD') or exit;
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function file_write($path, $data, $simple = false, $skip_purge = false) {
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global $config, $debug;
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if (preg_match('/^remote:\/\/(.+)\:(.+)$/', $path, $m)) {
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if (isset($config['remote'][$m[1]])) {
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require_once 'inc/remote.php';
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$remote = new Remote($config['remote'][$m[1]]);
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$remote->write($data, $m[2]);
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return;
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} else {
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error('Invalid remote server: ' . $m[1]);
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}
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}
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if (!$fp = fopen($path, $simple ? 'w' : 'c')) {
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error('Unable to open file for writing: ' . $path);
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}
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// File locking
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if (!$simple && !flock($fp, LOCK_EX)) {
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error('Unable to lock file: ' . $path);
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}
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// Truncate file
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if (!$simple && !ftruncate($fp, 0)) {
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error('Unable to truncate file: ' . $path);
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}
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// Write data
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if (($bytes = fwrite($fp, $data)) === false) {
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error('Unable to write to file: ' . $path);
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}
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// Unlock
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if (!$simple) {
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flock($fp, LOCK_UN);
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}
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// Close
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if (!fclose($fp)) {
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error('Unable to close file: ' . $path);
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}
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/**
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* Create gzipped file.
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*
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* When writing into a file foo.bar and the size is larger or equal to 1
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* KiB, this also produces the gzipped version foo.bar.gz
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*
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* This is useful with nginx with gzip_static on.
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*/
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if ($config['gzip_static']) {
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$gzpath = "$path.gz";
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// if ($bytes >= 1024)
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if ($bytes & ~0x3ff) {
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if (file_put_contents($gzpath, gzencode($data), $simple ? 0 : LOCK_EX) === false) {
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error("Unable to write to file: $gzpath");
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}
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}
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else {
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@unlink($gzpath);
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}
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}
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if (!$skip_purge && isset($config['purge'])) {
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// Purge cache
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if (basename($path) == $config['file_index']) {
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// Index file (/index.html); purge "/" as well
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$uri = dirname($path);
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// root
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if ($uri == '.') {
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$uri = '';
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} else {
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$uri .= '/';
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}
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purge($uri);
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}
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purge($path);
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}
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if ($config['debug']) {
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$debug['write'][] = $path . ': ' . $bytes . ' bytes';
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}
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event('write', $path);
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}
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function file_unlink($path) {
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global $config, $debug;
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if ($config['debug']) {
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if (!isset($debug['unlink'])) {
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$debug['unlink'] = array();
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}
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$debug['unlink'][] = $path;
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}
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$ret = @unlink($path);
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if ($config['gzip_static']) {
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$gzpath = "$path.gz";
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@unlink($gzpath);
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}
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if (isset($config['purge']) && $path[0] != '/' && isset($_SERVER['HTTP_HOST'])) {
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// Purge cache
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if (basename($path) == $config['file_index']) {
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// Index file (/index.html); purge "/" as well
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$uri = dirname($path);
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// root
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if ($uri == '.') {
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$uri = '';
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} else {
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$uri .= '/';
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}
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purge($uri);
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}
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purge($path);
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}
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event('unlink', $path);
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return $ret;
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}
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function purge($uri) {
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global $config, $debug;
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// Fix for Unicode
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$uri = rawurlencode($uri);
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$noescape = "/!~*()+:";
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$noescape = preg_split('//', $noescape);
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$noescape_url = array_map("rawurlencode", $noescape);
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$uri = str_replace($noescape_url, $noescape, $uri);
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if (preg_match($config['referer_match'], $config['root']) && isset($_SERVER['REQUEST_URI'])) {
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$uri = (str_replace('\\', '/', dirname($_SERVER['REQUEST_URI'])) == '/' ? '/' : str_replace('\\', '/', dirname($_SERVER['REQUEST_URI'])) . '/') . $uri;
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} else {
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$uri = $config['root'] . $uri;
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}
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if ($config['debug']) {
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$debug['purge'][] = $uri;
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}
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foreach ($config['purge'] as &$purge) {
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$host = &$purge[0];
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$port = &$purge[1];
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$http_host = isset($purge[2]) ? $purge[2] : (isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : 'localhost');
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$request = "PURGE {$uri} HTTP/1.1\r\nHost: {$http_host}\r\nUser-Agent: Tinyboard\r\nConnection: Close\r\n\r\n";
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if ($fp = fsockopen($host, $port, $errno, $errstr, $config['purge_timeout'])) {
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fwrite($fp, $request);
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fclose($fp);
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} else {
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// Cannot connect?
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error('Could not PURGE for ' . $host);
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}
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}
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}
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/**
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* Recursively delete a directory with it's content.
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*/
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function rrmdir($dir) {
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if (is_dir($dir)) {
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$objects = scandir($dir);
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foreach ($objects as $object) {
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if ($object != "." && $object != "..") {
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if (filetype($dir."/".$object) == "dir") {
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rrmdir($dir."/".$object);
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} else {
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file_unlink($dir."/".$object);
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}
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}
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}
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reset($objects);
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rmdir($dir);
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}
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}
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