diff --git a/README.md b/README.md index 611ec09..045e18d 100644 --- a/README.md +++ b/README.md @@ -2,3 +2,16 @@ simple-file-manager =================== A Simple PHP file manager. The code is a single php file. + +Just copy the index.php file to a folder on your webserver. + +Why it is good +============== + +- Single file, there are no images, or css folders. +- Ajax based so it is fast, but doesn't break the back button +- Allows drag and drop file uploads if folder is writable by the webserver +- Suits my asthetics. More like Dropbox, and less like Windows Explorer +- Works with Unicode file names +- The interface is usable from an iPad +- XSRF protection (though no authentication system) diff --git a/index.php b/index.php new file mode 100644 index 0000000..0ba221d --- /dev/null +++ b/index.php @@ -0,0 +1,407 @@ +
PASSWORD:
'; + exit; +} +*/ + +// must be in UTF-8 or `basename` doesn't work +setlocale(LC_ALL,'en_US.UTF-8'); + +$tmp = realpath($_REQUEST['file']); +if($tmp === false) + err(404,'File or Directory Not Found'); +if(substr($tmp, 0,strlen(__DIR__)) !== __DIR__) + err(403,"Forbidden"); + +if(!$_COOKIE['_sfm_xsrf']) + setcookie('_sfm_xsrf',bin2hex(openssl_random_pseudo_bytes(16))); +if($_POST) { + if($_COOKIE['_sfm_xsrf'] !== $_POST['xsrf'] || !$_POST['xsrf']) + err(403,"XSRF Failure"); +} + +$file = $_REQUEST['file'] ?: '.'; +if($_GET['do'] == 'list') { + if (is_dir($file)) { + $directory = $file; + $result = array(); + $files = array_diff(scandir($directory), array('.','..')); + foreach($files as $entry) if($entry !== basename(__FILE__)) { + $i = $directory . '/' . $entry; + $stat = stat($i); + $result[] = array( + 'mtime' => $stat['mtime'], + 'size' => $stat['size'], + 'name' => basename($i), + 'path' => preg_replace('@^\./@', '', $i), + 'is_dir' => is_dir($i), + 'is_deleteable' => (!is_dir($i) && is_writable($directory)) || + (is_dir($i) && is_writable($directory) && is_recursively_deleteable($i)), + 'is_readable' => is_readable($i), + 'is_writable' => is_writable($i), + 'is_executable' => is_executable($i), + ); + } + } else { + err(412,"Not a Directory"); + } + echo json_encode(array('success' => true, 'is_writable' => is_writable($file), 'results' =>$result)); + exit; +} elseif ($_POST['do'] == 'delete') { + rmrf($file); + exit; +} elseif ($_POST['do'] == 'mkdir') { + chdir($file); + @mkdir($_POST['name']); + exit; +} elseif ($_POST['do'] == 'upload') { + var_dump($_POST); + var_dump($_FILES); + var_dump($_FILES['file_data']['tmp_name']); + var_dump(move_uploaded_file($_FILES['file_data']['tmp_name'], $file.'/'.$_FILES['file_data']['name'])); + exit; +} elseif ($_GET['do'] == 'download') { + $filename = basename($file); + header('Content-Type: ' . mime_content_type($file)); + header('Content-Length: '. filesize($file)); + header(sprintf('Content-Disposition: attachment; filename=%s', + strpos('MSIE',$_SERVER['HTTP_REFERER']) ? rawurlencode($filename) : "\"$filename\"" )); + ob_flush(); + readfile($file); + exit; +} +function rmrf($dir) { + if(is_dir($dir)) { + $files = array_diff(scandir($dir), array('.','..')); + foreach ($files as $file) + rmrf("$dir/$file"); + rmdir($dir); + } else { + unlink($dir); + } +} +function is_recursively_deleteable($d) { + $stack = array($d); + while($dir = array_pop($stack)) { + if(!is_readable($dir) || !is_writable($dir)) + return false; + $files = array_diff(scandir($dir), array('.','..')); + foreach($files as $file) if(is_dir($file)) { + $stack[] = "$dir/$file"; + } + } + return true; +} + +function err($code,$msg) { + echo json_encode(array('error' => array('code'=>intval($code), 'msg' => $msg))); + exit; +} + +function asBytes($ini_v) { + $ini_v = trim($ini_v); + $s = array('g'=> 1<<30, 'm' => 1<<20, 'k' => 1<<10); + return intval($ini_v) * ($s[strtolower(substr($ini_v,-1))] ?: 1); +} +$MAX_UPLOAD_SIZE = min(asBytes(ini_get('post_max_size')), asBytes(ini_get('upload_max_filesize'))); +?> + + + + + + + + +
+
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+ Drag Files Here To Upload + or + +
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NameSizeModifiedPermissionsActions
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