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File Content: `elFinderConnector.class.php`

<?php

/**
 * Default elFinder connector
 *
 * @author Dmitry (dio) Levashov
 **/
class elFinderConnector
{
    /**
     * elFinder instance
     *
     * @var elFinder
     **/
    protected $elFinder;

    /**
     * Options
     *
     * @var array
     **/
    protected $options = array();

    /**
     * Must be use output($data) $data['header']
     *
     * @var string
     * @deprecated
     **/
    protected $header = '';

    /**
     * HTTP request method
     *
     * @var string
     */
    protected $reqMethod = '';

    /**
     * Content type of output JSON
     *
     * @var string
     */
    protected static $contentType = 'Content-Type: application/json; charset=utf-8';

    /**
     * Constructor
     *
     * @param      $elFinder
     * @param bool $debug
     *
     * @author Dmitry (dio) Levashov
     */
    public function __construct($elFinder, $debug = false)
    {

        $this->elFinder = $elFinder;
        $this->reqMethod = strtoupper($_SERVER["REQUEST_METHOD"]);
        if ($debug) {
            self::$contentType = 'Content-Type: text/plain; charset=utf-8';
        }
    }

    /**
     * Execute elFinder command and output result
     *
     * @return void
     * @throws Exception
     * @author Dmitry (dio) Levashov
     */
    public function run()
    {
        $isPost = $this->reqMethod === 'POST';
        $src = $isPost ? array_merge($_GET, $_POST) : $_GET;
        $maxInputVars = (!$src || isset($src['targets'])) ? ini_get('max_input_vars') : null;
        if ((!$src || $maxInputVars) && $rawPostData = file_get_contents('php://input')) {
            // for max_input_vars and supports IE XDomainRequest()
            $parts = explode('&', $rawPostData);
            if (!$src || $maxInputVars < count($parts)) {
                $src = array();
                foreach ($parts as $part) {
                    list($key, $value) = array_pad(explode('=', $part), 2, '');
                    $key = rawurldecode($key);
                    if (preg_match('/^(.+?)\[([^\[\]]*)\]$/', $key, $m)) {
                        $key = $m[1];
                        $idx = $m[2];
                        if (!isset($src[$key])) {
                            $src[$key] = array();
                        }
                        if ($idx) {
                            $src[$key][$idx] = rawurldecode($value);
                        } else {
                            $src[$key][] = rawurldecode($value);
                        }
                    } else {
                        $src[$key] = rawurldecode($value);
                    }
                }
                $_POST = $this->input_filter($src);
                $_REQUEST = $this->input_filter(array_merge_recursive($src, $_REQUEST));
            }
        }

        if (isset($src['targets']) && $this->elFinder->maxTargets && count($src['targets']) > $this->elFinder->maxTargets) {
            $this->output(array('error' => $this->elFinder->error(elFinder::ERROR_MAX_TARGTES)));
        }

        $cmd = isset($src['cmd']) ? $src['cmd'] : '';
        $args = array();

        if (!function_exists('json_encode')) {
            $error = $this->elFinder->error(elFinder::ERROR_CONF, elFinder::ERROR_CONF_NO_JSON);
            $this->output(array('error' => '{"error":["' . implode('","', $error) . '"]}', 'raw' => true));
        }

        if (!$this->elFinder->loaded()) {
            $this->output(array('error' => $this->elFinder->error(elFinder::ERROR_CONF, elFinder::ERROR_CONF_NO_VOL), 'debug' => $this->elFinder->mountErrors));
        }

        // telepat_mode: on
        if (!$cmd && $isPost) {
            $this->output(array('error' => $this->elFinder->error(elFinder::ERROR_UPLOAD, elFinder::ERROR_UPLOAD_TOTAL_SIZE), 'header' => 'Content-Type: text/html'));
        }
        // telepat_mode: off

        if (!$this->elFinder->commandExists($cmd)) {
            $this->output(array('error' => $this->elFinder->error(elFinder::ERROR_UNKNOWN_CMD)));
        }

        // collect required arguments to exec command
        $hasFiles = false;
        foreach ($this->elFinder->commandArgsList($cmd) as $name => $req) {
            if ($name === 'FILES') {
                if (isset($_FILES)) {
                    $hasFiles = true;
                } elseif ($req) {
                    $this->output(array('error' => $this->elFinder->error(elFinder::ERROR_INV_PARAMS, $cmd)));
                }
            } else {
                $arg = isset($src[$name]) ? $src[$name] : '';

                if (!is_array($arg) && $req !== '') {
                    $arg = trim($arg);
                }
                if ($req && $arg === '') {
                    $this->output(array('error' => $this->elFinder->error(elFinder::ERROR_INV_PARAMS, $cmd)));
                }
                $args[$name] = $arg;
            }
        }

        $args['debug'] = isset($src['debug']) ? !!$src['debug'] : false;

        $args = $this->input_filter($args);
        if ($hasFiles) {
            $args['FILES'] = $_FILES;
        }

        try {
            $this->output($this->elFinder->exec($cmd, $args));
        } catch (elFinderAbortException $e) {
            // connection aborted
            // unlock session data for multiple access
            $this->elFinder->getSession()->close();
            // HTTP response code
            header('HTTP/1.0 204 No Content');
            // clear output buffer
            while (ob_get_level() && ob_end_clean()) {
            }
            exit();
        }
    }

    /**
     * Sets the header.
     *
     * @param array|string  $value HTTP header(s)
     */
    public function setHeader($value)
    {
        $this->header = $value;
    }

    /**
     * Output json
     *
     * @param  array  data to output
     *
     * @return void
     * @throws elFinderAbortException
     * @author Dmitry (dio) Levashov
     */
    protected function output(array $data)
    {
        // unlock session data for multiple access
        $this->elFinder->getSession()->close();
        // client disconnect should abort
        ignore_user_abort(false);

        if ($this->header) {
            self::sendHeader($this->header);
        }

        if (isset($data['pointer'])) {
            // set time limit to 0
            elFinder::extendTimeLimit(0);

            // send optional header
            if (!empty($data['header'])) {
                self::sendHeader($data['header']);
            }

            // clear output buffer
            while (ob_get_level() && ob_end_clean()) {
            }

            $toEnd = true;
            $fp = $data['pointer'];
            $sendData = !($this->reqMethod === 'HEAD' || !empty($data['info']['xsendfile']));
            $psize = null;
            if (($this->reqMethod === 'GET' || !$sendData)
                && (elFinder::isSeekableStream($fp) || elFinder::isSeekableUrl($fp))
                && (array_search('Accept-Ranges: none', headers_list()) === false)) {
                header('Accept-Ranges: bytes');
                if (!empty($_SERVER['HTTP_RANGE'])) {
                    $size = $data['info']['size'];
                    $end = $size - 1;
                    if (preg_match('/bytes=(\d*)-(\d*)(,?)/i', $_SERVER['HTTP_RANGE'], $matches)) {
                        if (empty($matches[3])) {
                            if (empty($matches[1]) && $matches[1] !== '0') {
                                $start = $size - $matches[2];
                            } else {
                                $start = intval($matches[1]);
                                if (!empty($matches[2])) {
                                    $end = intval($matches[2]);
                                    if ($end >= $size) {
                                        $end = $size - 1;
                                    }
                                    $toEnd = ($end == ($size - 1));
                                }
                            }
                            $psize = $end - $start + 1;

                            header('HTTP/1.1 206 Partial Content');
                            header('Content-Length: ' . $psize);
                            header('Content-Range: bytes ' . $start . '-' . $end . '/' . $size);

                            // Apache mod_xsendfile dose not support range request
                            if (isset($data['info']['xsendfile']) && strtolower($data['info']['xsendfile']) === 'x-sendfile') {
                                if (function_exists('header_remove')) {
                                    header_remove($data['info']['xsendfile']);
                                } else {
                                    header($data['info']['xsendfile'] . ':');
                                }
                                unset($data['info']['xsendfile']);
                                if ($this->reqMethod !== 'HEAD') {
                                    $sendData = true;
                                }
                            }

                            $sendData && !elFinder::isSeekableUrl($fp) && fseek($fp, $start);
                        }
                    }
                }
                if ($sendData && is_null($psize)) {
                    elFinder::rewind($fp);
                }
            } else {
                header('Accept-Ranges: none');
                if (isset($data['info']) && !$data['info']['size']) {
                    if (function_exists('header_remove')) {
                        header_remove('Content-Length');
                    } else {
                        header('Content-Length:');
                    }
                }
            }

            if ($sendData) {
                if ($toEnd || elFinder::isSeekableUrl($fp)) {
                    // PHP < 5.6 has a bug of fpassthru
                    // see https://bugs.php.net/bug.php?id=66736
                    if (version_compare(PHP_VERSION, '5.6', '<')) {
                        file_put_contents('php://output', $fp);
                    } else {
                        if(function_exists('fpassthru')) {
                            fpassthru($fp);
                        } else {
                            file_put_contents('php://output', $fp);
                        }
                    }
                } else {
                    $out = fopen('php://output', 'wb');
                    stream_copy_to_stream($fp, $out, $psize);
                    fclose($out);
                }
            }

            if (!empty($data['volume'])) {
                $data['volume']->close($fp, $data['info']['hash']);
            } else {
                fclose($fp);
            }
            exit();
        } else {
            self::outputJson($data);
            exit(0);
        }
    }

    /**
     * Remove null & stripslashes applies on "magic_quotes_gpc"
     *
     * @param  mixed $args
     *
     * @return mixed
     * @author Naoki Sawada
     */
    protected function input_filter($args)
    {
        static $magic_quotes_gpc = NULL;

        if ($magic_quotes_gpc === NULL)
            $magic_quotes_gpc = (version_compare(PHP_VERSION, '5.4', '<') && get_magic_quotes_gpc());

        if (is_array($args)) {
            return array_map(array(& $this, 'input_filter'), $args);
        }
        $res = str_replace("\0", '', $args);
        $magic_quotes_gpc && ($res = stripslashes($res));
        $res = stripslashes($res);
        return $res;
    }

    /**
     * Send HTTP header
     *
     * @param string|array $header optional header
     */
    protected static function sendHeader($header = null)
    {
        if ($header) {
            if (is_array($header)) {
                foreach ($header as $h) {
                    header($h);
                }
            } else {
                header($header);
            }
        }
    }

    /**
     * Output JSON
     *
     * @param array $data
     */
    public static function outputJson($data)
    {
        // send header
        $header = isset($data['header']) ? $data['header'] : self::$contentType;
        self::sendHeader($header);

        unset($data['header']);

        if (!empty($data['raw']) && isset($data['error'])) {
            $out = $data['error'];
        } else {
            if (isset($data['debug']) && isset($data['debug']['backendErrors'])) {
                $data['debug']['backendErrors'] = array_merge($data['debug']['backendErrors'], elFinder::$phpErrors);
            }
            $out = json_encode($data);
        }

        // clear output buffer
        while (ob_get_level() && ob_end_clean()) {
        }

        header('Content-Length: ' . strlen($out));

        echo $out;

        flush();
    }
}// END class
Name	Size	Permission
editors	---	0755
flycache	---	0755
libs	---	0755
plugins	---	0755
resources	---	0755
autoload.php	2680 bytes	0644
elFinder.class.php	188084 bytes	0644
elFinderConnector.class.php	12774 bytes	0644
elFinderFlysystemGoogleDriveNetmount.php	15187 bytes	0644
elFinderPlugin.php	3331 bytes	0644
elFinderSession.php	8764 bytes	0644
elFinderSessionInterface.php	1094 bytes	0644
elFinderVolumeBox.class.php	61772 bytes	0644
elFinderVolumeDriver.class.php	263137 bytes	0644
elFinderVolumeDropbox2.class.php	47412 bytes	0644
elFinderVolumeFTP.class.php	58552 bytes	0644
elFinderVolumeGoogleDrive.class.php	71259 bytes	0644
elFinderVolumeGroup.class.php	5371 bytes	0644
elFinderVolumeLocalFileSystem.class.php	48374 bytes	0644
elFinderVolumeMySQL.class.php	30439 bytes	0644
elFinderVolumeOneDrive.class.php	67254 bytes	0644
elFinderVolumeSFTPphpseclib.class.php	27364 bytes	0644
elFinderVolumeTrash.class.php	1583 bytes	0644
elFinderVolumeTrashMySQL.class.php	1576 bytes	0644
mime.types	24863 bytes	0644
File Content: elFinderConnector.class.php

File Content: `elFinderConnector.class.php`
