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config_controller.php
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config_controller.php
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<?php
/*
All Emoncms code is released under the GNU Affero General Public License.
See COPYRIGHT.txt and LICENSE.txt.
---------------------------------------------------------------------
Emoncms - open source energy visualisation
Part of the OpenEnergyMonitor project:
http://openenergymonitor.org
*/
// no direct access
defined('EMONCMS_EXEC') or die('Restricted access');
function config_controller()
{
global $route, $session;
$result = false;
$emonhub_config_file = "/home/pi/data/emonhub.conf";
$emonhub_logfile = "/var/log/emonhub/emonhub.log";
if (!$session['write']) return false;
if ($route->action == 'view') {
$route->format = "html";
$result = view("Modules/config/edit.php", array());
return array('content'=>$result, 'fullwidth'=>false);
}
else if ($route->action == 'get') {
$route->format = "text";
return file_get_contents($emonhub_config_file);
}
else if ($route->action == 'getemonhublog') {
$route->format = "text";
ob_start();
passthru("journalctl -u emonhub -n 30 --no-pager");
return trim(ob_get_clean());
}
else if ($route->action == 'set' && isset($_POST['config'])) {
$route->format = "text";
$config = $_POST['config'];
$fh = fopen($emonhub_config_file,"w");
fwrite($fh,$config);
fclose($fh);
return "Config Saved";
}
else if ($route->action == 'downloadlog')
{
header("Content-Type: application/octet-stream");
header("Content-Transfer-Encoding: Binary");
header("Content-disposition: attachment; filename=\"" . basename($emonhub_logfile) . "\"");
header("Pragma: no-cache");
header("Expires: 0");
flush();
if (file_exists($emonhub_logfile))
{
ob_start();
readfile($emonhub_logfile);
echo(trim(ob_get_clean()));
}
else
{
echo($emonhub_logfile . " does not exist!");
}
exit;
}
// emonHub restart requires added to /etc/sudoers:
// www-data ALL=(ALL) NOPASSWD:service emonhub restart
else if ($route->action == 'restart')
{
exec("sudo /bin/systemctl restart emonhub > /dev/null &");
return true;
}
return array('content'=>$result);
}