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codiad/components/filemanager/class.filemanager.php

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<?php
/*
* Copyright (c) Codiad & Kent Safranski (codiad.com), distributed
* as-is and without warranty under the MIT License. See
* [root]/license.txt for more. This information must remain intact.
*/
require_once('../../lib/diff_match_patch.php');
require_once('../../common.php');
class Filemanager extends Common {
//////////////////////////////////////////////////////////////////
// PROPERTIES
//////////////////////////////////////////////////////////////////
public $root = "";
public $project = "";
public $rel_path = "";
public $path = "";
public $patch = "";
public $type = "";
public $new_name = "";
public $content = "";
public $destination = "";
public $upload = "";
public $controller = "";
public $upload_json = "";
public $search_string = "";
public $search_file_type = "";
public $query = "";
public $foptions = "";
// JSEND Return Contents
public $status = "";
public $data = "";
public $message = "";
//////////////////////////////////////////////////////////////////
// METHODS
//////////////////////////////////////////////////////////////////
// -----------------------------||----------------------------- //
//////////////////////////////////////////////////////////////////
// Construct
//////////////////////////////////////////////////////////////////
public function __construct( $get, $post, $files ) {
$this->rel_path = Filemanager::cleanPath($get['path']);
if ( $this->rel_path != "/ ") {
$this->rel_path .= "/";
}
if ( ! empty( $get['query'] ) ) {
$this->query = $get['query'];
}
if ( ! empty($get['options'] ) ) {
$this->foptions = $get['options'];
}
$this->root = $get['root'];
if ( $this->isAbsPath( $get['path'] ) ) {
$this->path = Filemanager::cleanPath($get['path']);
} else {
$this->root .= '/';
$this->path = $this->root . Filemanager::cleanPath( $get['path'] );
}
// Search
if ( ! empty( $post['search_string'] ) ) {
$this->search_string = ($post['search_string']);
}
if ( ! empty( $post['search_file_type'] ) ) {
$this->search_file_type = ($post['search_file_type']);
}
// Create
if ( ! empty($get['type'] ) ) {
$this->type = $get['type'];
}
// Modify\Create
if ( ! empty( $get['new_name'] ) ) {
$this->new_name = $get['new_name'];
}
foreach ( array( 'content', 'mtime', 'patch' ) as $key ) {
if ( ! empty( $post[$key] ) ) {
if ( get_magic_quotes_gpc() ) {
$this->$key = stripslashes( $post[$key] );
} else {
$this->$key = $post[$key];
}
}
}
// Duplicate
if ( ! empty( $get['destination'] ) ) {
$get['destination'] = Filemanager::cleanPath( $get['destination'] );
if ( $this->isAbsPath( $get['path'] ) ) {
$this->destination = $get['destination'];
} else {
$this->destination = $this->root . $get['destination'];
}
}
}
//////////////////////////////////////////////////////////////////
// INDEX (Returns list of files and directories)
//////////////////////////////////////////////////////////////////
public function index() {
if ( file_exists( $this->path ) ) {
$index = array();
if ( is_dir( $this->path ) && $handle = opendir( $this->path ) ) {
while (false !== ( $object = readdir( $handle ) ) ) {
if ($object != "." && $object != ".." && $object != $this->controller) {
if ( is_dir( $this->path.'/'.$object ) ) {
$type = "directory";
$size = count( glob( $this->path . '/' . $object . '/*' ) );
} else {
$type = "file";
$size = @filesize( $this->path.'/' . $object );
}
$index[] = array(
"name"=>$this->rel_path . $object,
"type"=>$type,
"size"=>$size
);
}
}
$folders = array();
$files = array();
foreach ($index as $item => $data) {
if ( $data['type'] == 'directory' ) {
$folders[] = array( "name"=>$data['name'], "type"=>$data['type'], "size"=>$data['size'] );
}
if ( $data['type'] == 'file' ) {
$files[] = array( "name"=>$data['name'], "type"=>$data['type'], "size"=>$data['size'] );
}
}
function sorter($a, $b, $key = 'name') {
return strnatcmp( $a[$key], $b[$key] );
}
usort( $folders, "sorter" );
usort( $files, "sorter" );
$output = array_merge( $folders, $files );
$this->status = "success";
$this->data = '"index":' . json_encode( $output );
} else {
$this->status = "error";
$this->message = "Not A Directory";
}
} else {
$this->status = "error";
$this->message = "Path Does Not Exist";
}
$this->respond();
}
public function find() {
if ( ! function_exists( 'shell_exec' ) ) {
$this->status = "error";
$this->message = "Shell_exec() Command Not Enabled.";
} else {
chdir( $this->path );
$input = str_replace( '"', '', $this->query );
$cmd = 'find -L ';
$strategy = '';
if ( $this->foptions && $this->foptions['strategy'] ) {
$strategy = $this->foptions['strategy'];
}
switch ( $strategy ) {
case 'substring':
$cmd = "$cmd -iname ".escapeshellarg( '*' . $input . '*' );
break;
case 'regexp':
$cmd = "$cmd -regex ".escapeshellarg( $input );
break;
case 'left_prefix':
default:
$cmd = "$cmd -iname ".escapeshellarg( $input . '*');
break;
}
$cmd = "$cmd -printf \"%h/%f %y\n\"";
$output = shell_exec( $cmd );
$file_arr = explode( "\n", $output );
$output_arr = array();
error_reporting( 0 );
foreach ( $file_arr as $i => $fentry ) {
$farr = explode( " ", $fentry );
$fname = trim( $farr[0] );
if ( $farr[1] == 'f' ) {
$ftype = 'file';
} else {
$ftype = 'directory';
}
if ( strlen( $fname ) != 0 ) {
$fname = $this->rel_path . substr( $fname, 2 );
$f = array( 'path' => $fname, 'type' => $ftype );
array_push( $output_arr, $f );
}
}
if ( count( $output_arr ) == 0 ) {
$this->status = "error";
$this->message = "No Results Returned";
} else {
$this->status = "success";
$this->data = '"index":' . json_encode( $output_arr );
}
}
$this->respond();
}
//////////////////////////////////////////////////////////////////
// SEARCH
//////////////////////////////////////////////////////////////////
public function search() {
if ( ! function_exists( 'shell_exec' ) ) {
$this->status = "error";
$this->message = "Shell_exec() Command Not Enabled.";
} else {
if ( $_GET['type'] == 1 ) {
$this->path = WORKSPACE;
}
$return = array();
$input = str_replace( '"', '', $this->search_string );
$cmd = 'find -L ' . escapeshellarg( $this->path ) . ' -iregex '.escapeshellarg( '.*' . $this->search_file_type ) . ' -type f | xargs grep -i -I -n -R -H ' . escapeshellarg( $input ) . '';
$output = shell_exec( $cmd );
$output_arr = explode( "\n", $output );
foreach ( $output_arr as $line ) {
$data = explode( ":", $line );
$da = array();
if ( count( $data ) > 2 ) {
$da['line'] = $data[1];
$da['file'] = str_replace( $this->path, '', $data[0] );
$da['result'] = str_replace( $this->root, '', $data[0] );
$da['string'] = str_replace( $data[0] . ":" . $data[1] . ':', '', $line );
$return[] = $da;
}
}
if ( count( $return ) == 0 ) {
$this->status = "error";
$this->message = "No Results Returned";
} else {
$this->status = "success";
$this->data = '"index":' . json_encode( $return );
}
}
$this->respond();
}
//////////////////////////////////////////////////////////////////
// OPEN (Returns the contents of a file)
//////////////////////////////////////////////////////////////////
public function open() {
if ( is_file( $this->path ) ) {
$output = file_get_contents($this->path);
if ( extension_loaded( 'mbstring' ) ) {
if ( ! mb_check_encoding( $output, 'UTF-8' ) ) {
if ( mb_check_encoding( $output, 'ISO-8859-1' ) ) {
$output = utf8_encode( $output );
} else {
$output = mb_convert_encoding( $content, 'UTF-8' );
}
}
}
$this->status = "success";
$this->data = '"content":' . json_encode( $output );
$mtime = filemtime( $this->path );
$this->data .= ', "mtime":'.$mtime;
} else {
$this->status = "error";
$this->message = "Not A File :" . $this->path;
}
$this->respond();
}
//////////////////////////////////////////////////////////////////
// OPEN IN BROWSER (Return URL)
//////////////////////////////////////////////////////////////////
public function openinbrowser() {
$protocol = ( ( ! empty( $_SERVER['HTTPS'] ) && $_SERVER['HTTPS'] != 'off' ) || $_SERVER['SERVER_PORT'] == 443 ) ? "https://" : "http://";
$domainName = $_SERVER['HTTP_HOST'];
$url = $protocol . WSURL . '/' . $this->rel_path;
$this->status = "success";
$this->data = '"url":' . json_encode( rtrim( $url, "/" ) );
$this->respond();
}
//////////////////////////////////////////////////////////////////
// CREATE (Creates a new file or directory)
//////////////////////////////////////////////////////////////////
public function create() {
// Create file
if ( $this->type == "file" ) {
if ( ! file_exists( $this->path ) ) {
if ( $file = fopen( $this->path, 'w' ) ) {
// Write content
if ( $this->content ) {
fwrite( $file, $this->content );
}
$this->data = '"mtime":' . filemtime( $this->path );
fclose( $file );
$this->status = "success";
} else {
$this->status = "error";
$this->message = "Cannot Create File";
}
} else {
$this->status = "error";
$this->message = "File Already Exists";
}
}
// Create directory
if ( $this->type == "directory" ) {
if ( ! is_dir( $this->path ) ) {
mkdir( $this->path );
$this->status = "success";
} else {
$this->status = "error";
$this->message = "Directory Already Exists";
}
}
$this->respond();
}
//////////////////////////////////////////////////////////////////
// DELETE (Deletes a file or directory (+contents or only contents))
//////////////////////////////////////////////////////////////////
public function delete( $keep_parent = false ) {
if( Common::checkPath( $path ) ) {
$this->status = "error";
$this->message = "No access.";
$this->respond();
return;
}
function rrmdir( $path, $follow, $keep_parent = false ) {
if ( is_file( $path ) ) {
unlink( $path );
} else {
$files = array_diff( scandir( $path ), array( '.', '..' ) );
foreach ( $files as $file ) {
if ( is_link( $path . "/" . $file ) ) {
if ( $follow ) {
rrmdir( $path . "/" . $file, $follow, false);
}
unlink( $path . "/" . $file );
} elseif ( is_dir( $path . "/" . $file ) ) {
rrmdir( $path . "/" . $file, $follow, false );
} else {
unlink( $path . "/" . $file );
}
}
if( $keep_parent === false ) {
rmdir( $path );
return;
} else {
return;
}
}
}
if ( file_exists( $this->path ) ) {
if ( isset( $_GET['follow'] ) ) {
rrmdir( $this->path, true, $keep_parent );
} else {
rrmdir( $this->path, false, $keep_parent );
}
$this->status = "success";
} else {
$this->status = "error";
$this->message = "Path Does Not Exist ";
}
$this->respond();
}
//////////////////////////////////////////////////////////////////
// MODIFY (Modifies a file name/contents or directory name)
//////////////////////////////////////////////////////////////////
public function modify() {
// Change name
if ( $this->new_name ) {
$explode = explode( '/', $this->path );
array_pop( $explode );
$new_path = implode( "/", $explode ) . "/" . $this->new_name;
if ( ! file_exists( $new_path ) ) {
if ( rename( $this->path, $new_path ) ) {
//unlink($this->path);
$this->status = "success";
} else {
$this->status = "error";
$this->message = "Could Not Rename";
}
} else {
$this->status = "error";
$this->message = "Path Already Exists";
}
} else {
// Change content
if ( $this->content || $this->patch ) {
if ( $this->content == ' ' ) {
$this->content = ''; // Blank out file
}
if ( $this->patch && ! $this->mtime ) {
$this->status = "error";
$this->message = "mtime parameter not found";
$this->respond();
return;
}
if ( is_file( $this->path ) ) {
$serverMTime = filemtime( $this->path );
$fileContents = file_get_contents( $this->path );
if ( $this->patch && $this->mtime != $serverMTime ) {
$this->status = "error";
$this->message = "Client is out of sync";
//DEBUG : file_put_contents($this->path.".conflict", "SERVER MTIME :".$serverMTime.", CLIENT MTIME :".$this->mtime);
$this->respond();
return;
} elseif ( strlen( trim( $this->patch ) ) == 0 && ! $this->content ) {
// Do nothing if the patch is empty and there is no content
$this->status = "success";
$this->data = '"mtime":' . $serverMTime;
$this->respond();
return;
}
if ( $file = fopen( $this->path, 'w' ) ) {
if ( $this->patch ) {
$dmp = new diff_match_patch();
$p = $dmp->patch_apply( $dmp->patch_fromText( $this->patch ), $fileContents );
$this->content = $p[0];
//DEBUG : file_put_contents($this->path.".orig",$fileContents );
//DEBUG : file_put_contents($this->path.".patch", $this->patch);
}
if ( fwrite( $file, $this->content ) === false ) {
$this->status = "error";
$this->message = "could not write to file";
} else {
// Unless stat cache is cleared the pre-cached mtime will be
// returned instead of new modification time after editing
// the file.
clearstatcache();
$this->data = '"mtime":'.filemtime( $this->path );
$this->status = "success";
}
fclose( $file );
} else {
$this->status = "error";
$this->message = "Cannot Write to File";
}
} else {
$this->status = "error";
$this->message = "Not A File";
}
} else {
$file = fopen( $this->path, 'w' );
fclose( $file );
$this->data = '"mtime":' . filemtime ($this->path);
$this->status = "success";
}
}
$this->respond();
}
//////////////////////////////////////////////////////////////////
// DUPLICATE (Creates a duplicate of the object - (cut/copy/paste)
//////////////////////////////////////////////////////////////////
public function duplicate() {
if ( ! file_exists( $this->path ) ) {
$this->status = "error";
$this->message = "Invalid Source";
}
function recurse_copy( $src, $dst ) {
$dir = opendir( $src );
@mkdir( $dst );
while ( false !== ( $file = readdir( $dir ) ) ) {
if (( $file != '.' ) && ( $file != '..' )) {
if ( is_dir( $src . '/' . $file ) ) {
recurse_copy( $src . '/' . $file, $dst . '/' . $file );
} else {
copy( $src . '/' . $file, $dst . '/' . $file );
}
}
}
closedir($dir);
}
if ( $this->status != "error" ) {
if ( is_file( $this->path ) ) {
copy( $this->path, $this->destination );
$this->status = "success";
} else {
recurse_copy( $this->path, $this->destination );
if ( ! $this->response ) {
$this->status = "success";
}
}
}
$this->respond();
}
//////////////////////////////////////////////////////////////////
// UPLOAD (Handles uploads to the specified directory)
//////////////////////////////////////////////////////////////////
public function upload() {
// Check that the path is a directory
if ( is_file( $this->path ) ) {
$this->status = "error";
$this->message = "Path Not A Directory";
} else {
// Handle upload
$info = array();
foreach( $_FILES['upload']['name'] as $key => $value ) {
if ( ! empty( $value ) ) {
$filename = $value;
$add = $this->path."/$filename";
if ( @move_uploaded_file( $_FILES['upload']['tmp_name'][$key], $add ) ) {
$info[] = array(
"name"=>$value,
"size"=>filesize($add),
"url"=>$add,
"thumbnail_url"=>$add,
"delete_url"=>$add,
"delete_type"=>"DELETE"
);
}
}
}
$this->upload_json = json_encode( $info );
}
$this->respond();
}
//////////////////////////////////////////////////////////////////
// RESPOND (Outputs data in JSON [JSEND] format)
//////////////////////////////////////////////////////////////////
public function respond() {
// Success ///////////////////////////////////////////////
if ( $this->status=="success" ) {
if ( $this->data ) {
$json = '{"status":"success","data":{' . $this->data . '}}';
} else {
$json = '{"status":"success","data":null}';
}
// Upload JSON ///////////////////////////////////////////
} elseif ( $this->upload_json != '' ) {
$json = $this->upload_json;
// Error /////////////////////////////////////////////////
} else {
$json = '{"status":"error","message":"'.$this->message.'"}';
}
// Output ////////////////////////////////////////////////
echo( $json );
}
//////////////////////////////////////////////////////////////////
// Clean a path
//////////////////////////////////////////////////////////////////
public static function cleanPath( $path ) {
// replace backslash with slash
$path = str_replace( '\\', '/', $path );
// allow only valid chars in paths$
$path = preg_replace( '/[^A-Za-z0-9\-\._\/\ ]/', '', $path );
// maybe this is not needed anymore
// prevent Poison Null Byte injections
$path = str_replace( chr( 0 ), '', $path );
// prevent go out of the workspace
while ( strpos( $path, '../' ) !== false ) {
$path = str_replace( '../', '', $path );
}
return $path;
}
}
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