ad87422c60
Moved /tftpboot/index.cfg -> /config.ini Moved /tftpboot/resolver.php -> /lib/resolver.php Added /lib/config.php - include /lib/config.php in resolver.php and index.php Changed $config array Signed-off-by: Diederik de Groot <ddegroot@talon.nl>
115 lines
3.1 KiB
PHP
Executable File
115 lines
3.1 KiB
PHP
Executable File
#!/usr/bin/php
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<?php
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include_once("config.php");
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/* Todo:
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- setup logging
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- read config.file
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- improve error handling
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- secure urlencoding/urldecoding
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- don't allow browsing
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- check source ip-range
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- check HTTPHeader for known BrowserTypes
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*/
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class Resolver {
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private $isDirty = FALSE;
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private $cache = array();
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private $config;
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function __construct($config) {
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$this->config = $config;
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if(file_exists($this->config['main']['cache_filename'])) {
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$this->cache = unserialize(file_get_contents($config['main']['cache_filename']));
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} else {
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$this->buildCleanCache();
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}
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}
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function __destruct() {
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//print_r($this->cache);
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if ($this->isDirty) {
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if (!file_put_contents($this->config['main']['cache_filename'], serialize($this->cache))) {
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throw new Exception("Could not write to file '".$this->config['cache_filename']."' at Resolver::destruct");
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}
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}
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}
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function searchForFile($filename) {
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foreach($this->config['subdirs'] as $key => $value) {
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if ($key === "firmware" || $key === "tftproot" ) {
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continue;
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}
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$path = realpath($this->config['main']['base_path'] . "/" . $value['path'] . "/$filename");
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if (file_exists($path)) {
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$this-> addFile($filename, $path);
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return $path;
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}
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}
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throw new Exception("File '$filename' does not exist");
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}
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function buildCleanCache() {
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foreach($this->config['subdirs'] as $key =>$value) {
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if ($key === "tftproot") {
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continue;
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}
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$path = $this->config['main']['base_path'] . "/" . $value['path'] . "/";
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$dir_iterator = new RecursiveDirectoryIterator($path);
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$iterator = new RecursiveIteratorIterator($dir_iterator, RecursiveIteratorIterator::SELF_FIRST);
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foreach ($iterator as $file) {
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if ($file->isFile()) {
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if ($value['strip'] === 1) {
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$this->addFile($file->getFileName(), $file->getPathname());
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} else {
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$subdir = basename(dirname($file->getPathname()));
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$this->addFile('$subpath/'.$file->getFileName(), $file->getPathname());
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}
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}
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}
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}
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$this->isDirty = TRUE;
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}
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function addFile($hash, $path) {
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//echo 'Adding $hash\n';
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$this->cache[$hash] = $path;
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$this->isDirty =TRUE;
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}
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function removeFile($hash) {
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//echo 'Removing $hash\n';
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unset($this->cache[$hash]);
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$this->isDirty = TRUE;
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}
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function resolve($request) /* canthrow */ {
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$path = '';
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if (array_key_exists($request, $this->cache)) {
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if ($path = $this->cache[$request]) {
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if (!file_exists($path)) {
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$this->removeFile($request);
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throw new Exception("File '$request' does not exist on FS");
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}
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return $path;
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}
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}
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if ($this->searchForFile($request)) {
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return $this->cache[$request];
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}
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return $path;
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}
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}
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$resolver = new Resolver($config);
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try {
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print($resolver->resolve("jar70sccp.9-4-2ES26.sbn")."\n");
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print($resolver->resolve("Russian_Russian_Federation/be-sccp.jar")."\n");
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print($resolver->resolve("Spain/g3-tones.xml")."\n");
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print($resolver->resolve("320x196x4/Chan-SCCP-b.png")."\n");
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} catch (Exception $e) {
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print($e . "\n");
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}
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try {
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print($resolver->resolve("XMLDefault.cnf.xml")."\n");
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} catch (Exception $e) {
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print($e . "\n");
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}
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unset($resolver);
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#unlink($CACHEFILE_NAME);
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?>
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