nette2 - phpseclib handle

HmpsetPresenter.php

<?php

namespace App\AdminModule\Presenters;

use Nette,
    App\Model,
    Nette\Application\Responses,
    Net_SSH2, //pear phpseclib 0.3.9. composer: phpseclib/phpseclib
    Net_SCP;

/**
 * HomepageSettings presenter.
 */
class HmpsetPresenter extends BasePresenter {

    const WEBCAM_IP = '127.0.0.1'; //target ip or url
    const WEBCAM1_PORT = 2201;
    const WEBCAM2_PORT = 2202;
    const WEBCAM_UNAME = 'uname';
    const WEBCAM_PWD = 'pwd';
    
    public function renderWebcam() {
        $this->template->webcam_ip = self::WEBCAM_IP;
        $this->template->webcam1_port = self::WEBCAM1_PORT;
        $this->template->webcam2_port = self::WEBCAM2_PORT;
        
        $webcamPath = __DIR__.'/../../../www/uploads/content/webcam/';
        $this->template->fEW1 = file_exists($webcamPath.'webcam1_pub.jpg');
        if($this->template->fEW1){
            $this->template->fTime1 = filemtime($webcamPath.'webcam1_pub.jpg');
        }
        $this->template->fEW2 = file_exists($webcamPath.'webcam2_pub.jpg');
        if($this->template->fEW2){
            $this->template->fTime2 = filemtime($webcamPath.'webcam2_pub.jpg');
        }
    }
    
 public function handleRefreshWebcam($webcamId = 1) {
        $ajax = $this->isAjax();
        $port = ($webcamId == 1) ? self::WEBCAM1_PORT : self::WEBCAM2_PORT;
        $ssh2 = new \Net_SSH2(self::WEBCAM_IP, $port, 6);

        if (!$ssh2->login(self::WEBCAM_UNAME, self::WEBCAM_PWD)) {
            if ($ajax) {
                $this->sendResponse(new Responses\JsonResponse(array('login' => 'fail')));
            } else {
                $this->flashMessage('Nepodařilo se přihlásit k SSH.', 'error');
            }
        } else {
            $scp = new \Net_SCP($ssh2);
            if ($scp->get('/tmp/snap.jpeg', __DIR__ . '/../../../www/uploads/content/webcam/' . $webcamId . '.jpg')) {
                $image = new Nette\Utils\Image(imagecreatefromjpeg(__DIR__ . '/../../../www/uploads/content/webcam/' . $webcamId . '.jpg'));
                $image->resize(640, 480, Nette\Utils\Image::EXACT);
                $image->save(__DIR__ . '/../../../www/uploads/content/webcam/webcam' . $webcamId . '_pub.jpg', 60);
                unset($image);
                chmod(__DIR__ . '/../../../www/uploads/content/webcam/webcam' . $webcamId . '_pub.jpg', 0754);
            }
            $ssh2->disconnect();
        }
        if ($ajax) {
            $this->redrawControl('snpWebcam' . $webcamId);
        } else {
            $this->redirect('Hmpset:webcam');
        }
    }
}

webcam.latte

{block slogan}Test webkamer{/block}

{block content}
<div class="container">
    <div class="row">
        <div class="col-sm-6 col-xs-12">
            <div class="panel panel-primary">
                <div class="panel-heading">
                    <span class="panel-title">
                        Webkamera 1: {$webcam_ip}:{$webcam1_port}
                    </span>
                    <a n:href="refreshWebcam! 1" class="btn btn-xs btn-success pull-right ajax"><i class="fa fa-1x fa-refresh"></i></a>
                </div>
                <div class="panel-body" n:snippet="snpWebcam1">
                    <img n:if="$fEW1" src="/uploads/content/webcam/webcam1_pub.jpg?cacheBreaker=#" alt="webcam1" class="img img-responsive center-block v-offset-bottom-1 img-no-cache" />
                    <p n:ifset="$fTime1" class="text-center">Poslední update: {$fTime1|date:'j.n.Y G:i:s'}</p>
                </div>
            </div>
        </div>
        <div class="col-sm-6 col-xs-12">
            <div class="panel panel-primary">
                <div class="panel-heading">
                    <span class="panel-title">
                        Webkamera 2: {$webcam_ip}:{$webcam2_port}
                    </span> 
                    <a n:href="refreshWebcam! 2" class="btn btn-xs btn-success pull-right ajax"><i class="fa fa-1x fa-refresh"></i></a></div>
                <div class="panel-body" n:snippet="snpWebcam2">
                    <img n:if="$fEW2" src="/uploads/content/webcam/webcam2_pub.jpg?cacheBreaker=#" alt="webcam2" class="img img-responsive center-block v-offset-bottom-1 img-no-cache" />
                    <p n:ifset="$fTime2" class="text-center">Poslední update: {$fTime2|date:'j.n.Y G:i:s'}</p>
                </div>
            </div>
        </div>
    </div>
</div>
{/block}

{block scripts}
{include parent}
<script type="text/javascript">
    jQuery(function(){
        $(document).ajaxComplete(function(event, xhr, settings){
            var XHRurl = settings.url;
            if(XHRurl.indexOf('do=refreshWebcam')>-1){
                var $els = $('img.img-no-cache');
                if($els.length > 0){
                    var $timestampParam = '?cacheBreaker=' + new Date().getTime();
                    $els.each(function(){
                        var $origSrc = $(this).attr('src');
                        $(this).attr('src', $origSrc.replace(/(\?cacheBreaker=).*/,$timestampParam));
                    });
                }
            }
        });
    });
</script>
{/block}