| 1 |
<?php |
| 2 |
|
| 3 |
if (!defined('ABSPATH')) exit; |
| 4 |
if (!class_exists('BVFSCallback')) : |
| 5 |
require_once dirname( __FILE__ ) . '/../streams.php'; |
| 6 |
|
| 7 |
class BVFSCallback extends BVCallbackBase { |
| 8 |
public $stream; |
| 9 |
public $account; |
| 10 |
|
| 11 |
public static $cwAllowedFiles = array(".htaccess", ".user.ini", "malcare-waf.php"); |
| 12 |
const FS_WING_VERSION = 1.1; |
| 13 |
|
| 14 |
public function __construct($callback_handler) { |
| 15 |
$this->account = $callback_handler->account; |
| 16 |
} |
| 17 |
|
| 18 |
function fileStat($relfile, $md5 = false) { |
| 19 |
$absfile = ABSPATH.$relfile; |
| 20 |
$fdata = array(); |
| 21 |
$fdata["filename"] = $relfile; |
| 22 |
$stats = @stat($absfile); |
| 23 |
if ($stats) { |
| 24 |
foreach (preg_grep('#size|uid|gid|mode|mtime#i', array_keys($stats)) as $key ) { |
| 25 |
$fdata[$key] = $stats[$key]; |
| 26 |
} |
| 27 |
if (is_link($absfile)) { |
| 28 |
$fdata["link"] = @readlink($absfile); |
| 29 |
} |
| 30 |
if ($md5 === true && !is_dir($absfile)) { |
| 31 |
$fdata["md5"] = $this->calculateMd5($absfile, array(), 0, 0, 0); |
| 32 |
} |
| 33 |
} else { |
| 34 |
$fdata["failed"] = true; |
| 35 |
} |
| 36 |
return $fdata; |
| 37 |
} |
| 38 |
|
| 39 |
function scanFilesUsingGlob($initdir = "./", $offset = 0, $limit = 0, $bsize = 512, $recurse = true, $regex = '{.??,}*') { |
| 40 |
$i = 0; |
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$dirs = array(); |
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$dirs[] = $initdir; |
| 43 |
$bfc = 0; |
| 44 |
$bfa = array(); |
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$current = 0; |
| 46 |
$abspath = realpath(ABSPATH).'/'; |
| 47 |
$abslen = strlen($abspath); |
| 48 |
# XNOTE: $recurse cannot be used directly here |
| 49 |
while ($i < count($dirs)) { |
| 50 |
$dir = $dirs[$i]; |
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|
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foreach (glob($abspath.$dir.$regex, GLOB_NOSORT | GLOB_BRACE) as $absfile) { |
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$relfile = substr($absfile, $abslen); |
| 54 |
if (is_dir($absfile) && !is_link($absfile)) { |
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$dirs[] = $relfile."/"; |
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} |
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$current++; |
| 58 |
if ($offset >= $current) |
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continue; |
| 60 |
if (($limit != 0) && (($current - $offset) > $limit)) { |
| 61 |
$i = count($dirs); |
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break; |
| 63 |
} |
| 64 |
$bfa[] = $this->fileStat($relfile); |
| 65 |
$bfc++; |
| 66 |
if ($bfc == $bsize) { |
| 67 |
$str = serialize($bfa); |
| 68 |
$this->stream->writeStream($str); |
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$bfc = 0; |
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$bfa = array(); |
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} |
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} |
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$regex = '{.??,}*'; |
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$i++; |
| 75 |
if ($recurse == false) |
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break; |
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} |
| 78 |
if ($bfc != 0) { |
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$str = serialize($bfa); |
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$this->stream->writeStream($str); |
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} |
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return array("status" => "done"); |
| 83 |
} |
| 84 |
|
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function scanFiles($initdir = "./", $offset = 0, $limit = 0, $bsize = 512, $recurse = true, $md5 = false) { |
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$i = 0; |
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$links = array(); |
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$dirs = array(); |
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$dirs[] = $initdir; |
| 90 |
$bfc = 0; |
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$bfa = array(); |
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$current = 0; |
| 93 |
while ($i < count($dirs)) { |
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$dir = $dirs[$i]; |
| 95 |
$d = @opendir(ABSPATH.$dir); |
| 96 |
if ($d) { |
| 97 |
while (($file = readdir($d)) !== false) { |
| 98 |
if ($file == '.' || $file == '..') { continue; } |
| 99 |
$relfile = $dir.$file; |
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$absfile = ABSPATH.$relfile; |
| 101 |
if (is_link($absfile)) { |
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$links[] = $relfile; |
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} |
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if (is_dir($absfile) && !is_link($absfile)) { |
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$dirs[] = $relfile."/"; |
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} |
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$current++; |
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if ($offset >= $current) |
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continue; |
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if (($limit != 0) && (($current - $offset) > $limit)) { |
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$i = count($dirs); |
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break; |
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} |
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$bfa[] = $this->fileStat($relfile, $md5); |
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$bfc++; |
| 116 |
if ($bfc == $bsize) { |
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$str = serialize($bfa); |
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$this->stream->writeStream($str); |
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$bfc = 0; |
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$bfa = array(); |
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} |
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} |
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closedir($d); |
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} |
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$i++; |
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if ($recurse == false) |
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break; |
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} |
| 129 |
if ($bfc != 0) { |
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$str = serialize($bfa); |
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$this->stream->writeStream($str); |
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} |
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|
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return $links; |
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} |
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|
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function calculateMd5($absfile, $fdata, $offset, $limit, $bsize) { |
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if ($offset == 0 && $limit == 0) { |
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$md5 = md5_file($absfile); |
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} else { |
| 141 |
if ($limit == 0) |
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$limit = $fdata["size"]; |
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if ($offset + $limit < $fdata["size"]) |
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$limit = $fdata["size"] - $offset; |
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$handle = fopen($absfile, "rb"); |
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$ctx = hash_init('md5'); |
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fseek($handle, $offset, SEEK_SET); |
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$dlen = 1; |
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while (($limit > 0) && ($dlen > 0)) { |
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if ($bsize > $limit) |
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$bsize = $limit; |
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$d = fread($handle, $bsize); |
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$dlen = strlen($d); |
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hash_update($ctx, $d); |
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$limit -= $dlen; |
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} |
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fclose($handle); |
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$md5 = hash_final($ctx); |
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} |
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return $md5; |
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} |
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|
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function getFilesContent($files, $withContent = true) { |
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$result = array(); |
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foreach ($files as $file) { |
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$fdata = $this->fileStat($file); |
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$absfile = ABSPATH.$file; |
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|
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if (is_dir($absfile) && !is_link($absfile)) { |
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$fdata['is_dir'] = true; |
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} else { |
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if (!is_readable($absfile)) { |
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$fdata['error'] = 'file not readable'; |
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} else { |
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if ($withContent === true) { |
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if ($content = file_get_contents($absfile)) { |
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$fdata['content'] = $content; |
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} else { |
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$fdata['error'] = 'unable to read file'; |
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} |
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} |
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} |
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} |
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|
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$result[$file] = $fdata; |
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} |
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|
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return $result; |
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} |
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|
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function getFilesStats($files, $offset = 0, $limit = 0, $bsize = 102400, $md5 = false) { |
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$result = array(); |
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foreach ($files as $file) { |
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$fdata = $this->fileStat($file); |
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$absfile = ABSPATH.$file; |
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if (!is_readable($absfile)) { |
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$result["missingfiles"][] = $file; |
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continue; |
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} |
| 200 |
if ($md5 === true && !is_dir($absfile)) { |
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$fdata["md5"] = $this->calculateMd5($absfile, $fdata, $offset, $limit, $bsize); |
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} |
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$result[] = $fdata; |
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} |
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return $result; |
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} |
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|
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function uploadFiles($files, $offset = 0, $limit = 0, $bsize = 102400) { |
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$result = array(); |
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foreach ($files as $file) { |
| 211 |
if (!is_readable(ABSPATH.$file)) { |
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$result["missingfiles"][] = $file; |
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continue; |
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} |
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$handle = fopen(ABSPATH.$file, "rb"); |
| 216 |
if (($handle != null) && is_resource($handle)) { |
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$fdata = $this->fileStat($file); |
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$_limit = $limit; |
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$_bsize = $bsize; |
| 220 |
if ($_limit == 0) |
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$_limit = $fdata["size"]; |
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if ($offset + $_limit > $fdata["size"]) |
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$_limit = $fdata["size"] - $offset; |
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$fdata["limit"] = $_limit; |
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$sfdata = serialize($fdata); |
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$this->stream->writeStream($sfdata); |
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fseek($handle, $offset, SEEK_SET); |
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$dlen = 1; |
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while (($_limit > 0) && ($dlen > 0)) { |
| 230 |
if ($_bsize > $_limit) |
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$_bsize = $_limit; |
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$d = fread($handle, $_bsize); |
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$dlen = strlen($d); |
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$this->stream->writeStream($d); |
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$_limit -= $dlen; |
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} |
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fclose($handle); |
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} else { |
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$result["unreadablefiles"][] = $file; |
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} |
| 241 |
} |
| 242 |
$result["status"] = "done"; |
| 243 |
return $result; |
| 244 |
} |
| 245 |
|
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function process($request) { |
| 247 |
$params = $request->params; |
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$stream_init_info = BVStream::startStream($this->account, $request); |
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|
| 250 |
if (array_key_exists('stream', $stream_init_info)) { |
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$this->stream = $stream_init_info['stream']; |
| 252 |
switch ($request->method) { |
| 253 |
case "scanfilesglob": |
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$initdir = urldecode($params['initdir']); |
| 255 |
$offset = intval(urldecode($params['offset'])); |
| 256 |
$limit = intval(urldecode($params['limit'])); |
| 257 |
$bsize = intval(urldecode($params['bsize'])); |
| 258 |
$regex = urldecode($params['regex']); |
| 259 |
$recurse = true; |
| 260 |
if (array_key_exists('recurse', $params) && $params["recurse"] == "false") { |
| 261 |
$recurse = false; |
| 262 |
} |
| 263 |
$resp = $this->scanFilesUsingGlob($initdir, $offset, $limit, $bsize, $recurse, $regex); |
| 264 |
break; |
| 265 |
case "scanfiles": |
| 266 |
$links = array(); |
| 267 |
$dir_options = array(); |
| 268 |
if (array_key_exists('dir_options', $params)) { |
| 269 |
$dir_options = $params['dir_options']; |
| 270 |
} |
| 271 |
$bsize = intval(urldecode($params['bsize'])); |
| 272 |
foreach($dir_options as $option) { |
| 273 |
$dir = urldecode($option['dir']); |
| 274 |
$offset = intval(urldecode($option['offset'])); |
| 275 |
$limit = intval(urldecode($option['limit'])); |
| 276 |
$recurse = true; |
| 277 |
if (array_key_exists('recurse', $option) && $option["recurse"] == "false") { |
| 278 |
$recurse = false; |
| 279 |
} |
| 280 |
$md5 = true; |
| 281 |
if (array_key_exists('md5', $option) && $option["md5"] == "false") { |
| 282 |
$md5 = false; |
| 283 |
} |
| 284 |
|
| 285 |
$_links = $this->scanFiles($dir, $offset, $limit, $bsize, $recurse, $md5); |
| 286 |
$links = array_merge($links, $_links); |
| 287 |
} |
| 288 |
$resp = array("status" => "done", "links" => $links); |
| 289 |
break; |
| 290 |
case "getfilesstats": |
| 291 |
$md5 = array_key_exists('md5', $params) ? $params['md5'] : false; |
| 292 |
$stats = $this->getFilesStats( |
| 293 |
$params['files'], $params['offset'], $params['limit'], $params['bsize'], $md5 |
| 294 |
); |
| 295 |
$resp = array('stats' => $stats); |
| 296 |
break; |
| 297 |
case "sendmanyfiles": |
| 298 |
$files = $params['files']; |
| 299 |
$offset = intval(urldecode($params['offset'])); |
| 300 |
$limit = intval(urldecode($params['limit'])); |
| 301 |
$bsize = intval(urldecode($params['bsize'])); |
| 302 |
$resp = $this->uploadFiles($files, $offset, $limit, $bsize); |
| 303 |
break; |
| 304 |
case "filelist": |
| 305 |
$dir_options = array(); |
| 306 |
if (array_key_exists('dir_options', $params)) { |
| 307 |
$dir_options = $params['dir_options']; |
| 308 |
} |
| 309 |
if (array_key_exists('chdir', $params)) { |
| 310 |
chdir(ABSPATH); |
| 311 |
} |
| 312 |
$resp = array(); |
| 313 |
foreach($dir_options as $options) { |
| 314 |
$glob_option = 0; |
| 315 |
if (array_key_exists('onlydir', $options)) { |
| 316 |
$glob_option = GLOB_ONLYDIR; |
| 317 |
} |
| 318 |
|
| 319 |
$regexes = array("*", ".*"); |
| 320 |
if (array_key_exists('regex', $options)) { |
| 321 |
$regexes = array($options['regex']); |
| 322 |
} |
| 323 |
|
| 324 |
$md5 = false; |
| 325 |
if (array_key_exists('md5', $options)) { |
| 326 |
$md5 = $options['md5']; |
| 327 |
} |
| 328 |
|
| 329 |
$directoryList = array(); |
| 330 |
|
| 331 |
foreach($regexes as $regex) { |
| 332 |
$directoryList = array_merge($directoryList, glob($options['dir'].$regex, $glob_option)); |
| 333 |
} |
| 334 |
$resp[$options['dir']] = array('stats' => $this->getFilesStats($directoryList, 0, 0, 0, $md5)); |
| 335 |
} |
| 336 |
break; |
| 337 |
case "dirsexists": |
| 338 |
$resp = array(); |
| 339 |
$dirs = $params['dirs']; |
| 340 |
|
| 341 |
foreach ($dirs as $dir) { |
| 342 |
$path = ABSPATH.$dir; |
| 343 |
if (file_exists($path) && is_dir($path) && !is_link($path)) { |
| 344 |
$resp[$dir] = true; |
| 345 |
} else { |
| 346 |
$resp[$dir] = false; |
| 347 |
} |
| 348 |
} |
| 349 |
|
| 350 |
$resp["status"] = "Done"; |
| 351 |
break; |
| 352 |
case "gtfilescntent": |
| 353 |
$files = $params['files']; |
| 354 |
$withContent = array_key_exists('withcontent', $params) ? $params['withcontent'] : true; |
| 355 |
$resp = array("files_content" => $this->getFilesContent($files, $withContent)); |
| 356 |
break; |
| 357 |
case "gtfls": |
| 358 |
$resp = array(); |
| 359 |
|
| 360 |
if (array_key_exists('get_files_content', $params)) { |
| 361 |
$args = $params['get_files_content']; |
| 362 |
$with_content = array_key_exists('withcontent', $args) ? $args['withcontent'] : true; |
| 363 |
$resp['get_files_content'] = $this->getFilesContent($args['files'], $with_content); |
| 364 |
} |
| 365 |
|
| 366 |
if (array_key_exists('get_files_stats', $params)) { |
| 367 |
$args = $params['get_files_stats']; |
| 368 |
$md5 = array_key_exists('md5', $args) ? $args['md5'] : false; |
| 369 |
$stats = $this->getFilesStats( |
| 370 |
$args['files'], $args['offset'], $args['limit'], $args['bsize'], $md5 |
| 371 |
); |
| 372 |
|
| 373 |
$result = array(); |
| 374 |
foreach ($stats as $stat) { |
| 375 |
$result[$stat['filename']] = $stat; |
| 376 |
} |
| 377 |
$resp['get_files_stats'] = $result; |
| 378 |
} |
| 379 |
|
| 380 |
break; |
| 381 |
default: |
| 382 |
$resp = false; |
| 383 |
} |
| 384 |
$end_stream_info = $this->stream->endStream(); |
| 385 |
if (!empty($end_stream_info) && is_array($resp)) { |
| 386 |
$resp = array_merge($resp, $end_stream_info); |
| 387 |
} |
| 388 |
} else { |
| 389 |
$resp = $stream_init_info; |
| 390 |
} |
| 391 |
return $resp; |
| 392 |
} |
| 393 |
} |
| 394 |
endif; |
