zoneminder/web/api/app/Controller/MonitorsController.php

356 lines
9.1 KiB
PHP

<?php
App::uses('AppController', 'Controller');
/**
* Monitors Controller
*
* @property Monitor $Monitor
* @property PaginatorComponent $Paginator
*/
class MonitorsController extends AppController {
/**
* Components
*
* @var array
*/
public $components = array('Paginator', 'RequestHandler');
public function beforeFilter() {
parent::beforeFilter();
$canView = $this->Session->Read('monitorPermission');
if ($canView =='None')
{
throw new UnauthorizedException(__('Insufficient Privileges'));
return;
}
}
/**
* index method
*
* @return void
*/
public function index() {
$this->Monitor->recursive = 0;
if ($this->request->params['named']) {
$this->FilterComponent = $this->Components->load('Filter');
$conditions = $this->FilterComponent->buildFilter($this->request->params['named']);
} else {
$conditions = array();
}
$allowedMonitors=preg_split ('@,@', $this->Session->Read('allowedMonitors'),NULL, PREG_SPLIT_NO_EMPTY);
if (!empty($allowedMonitors)) {
$conditions['Monitor.Id' ] = $allowedMonitors;
}
$monitors = $this->Monitor->find('all',array('conditions'=>$conditions));
$this->set(array(
'monitors' => $monitors,
'_serialize' => array('monitors')
));
}
/**
* view method
*
* @throws NotFoundException
* @param string $id
* @return void
*/
public function view($id = null) {
$this->Monitor->recursive = 0;
if (!$this->Monitor->exists($id)) {
throw new NotFoundException(__('Invalid monitor'));
}
$allowedMonitors=preg_split ('@,@', $this->Session->Read('allowedMonitors'),NULL, PREG_SPLIT_NO_EMPTY);
if (!empty($allowedMonitors))
{
$restricted = array('Monitor.' . $this->Monitor->primaryKey => $allowedMonitors);
}
else
{
$restricted = '';
}
$options = array('conditions' => array(
array('Monitor.' . $this->Monitor->primaryKey => $id),
$restricted
)
);
$monitor = $this->Monitor->find('first', $options);
$this->set(array(
'monitor' => $monitor,
'_serialize' => array('monitor')
));
}
/**
* add method
*
* @return void
*/
public function add() {
if ($this->request->is('post')) {
if ($this->Session->Read('systemPermission') != 'Edit')
{
throw new UnauthorizedException(__('Insufficient privileges'));
return;
}
$this->Monitor->create();
if ($this->Monitor->save($this->request->data)) {
$this->daemonControl($this->Monitor->id, 'start');
return $this->flash(__('The monitor has been saved.'), array('action' => 'index'));
}
}
}
/**
* edit method
*
* @throws NotFoundException
* @param string $id
* @return void
*/
public function edit($id = null) {
$this->Monitor->id = $id;
if (!$this->Monitor->exists($id)) {
throw new NotFoundException(__('Invalid monitor'));
}
if ($this->Session->Read('systemPermission') != 'Edit')
{
throw new UnauthorizedException(__('Insufficient privileges'));
return;
}
if ($this->Monitor->save($this->request->data)) {
$message = 'Saved';
} else {
$message = 'Error';
}
$this->set(array(
'message' => $message,
'_serialize' => array('message')
));
// - restart or stop this monitor after change
$func = $this->Monitor->find('first', array(
'fields' => array('Function'),
'conditions' => array('Id' => $id)
))['Monitor']['Function'];
// We don't pass the request data as the monitor object because it may be a subset of the full monitor array
if ( $func == 'None' ) {
$this->daemonControl( $this->Monitor->id, 'stop' );
} else {
$this->daemonControl( $this->Monitor->id, 'restart' );
}
}
/**
* delete method
*
* @throws NotFoundException
* @param string $id
* @return void
*/
public function delete($id = null) {
$this->Monitor->id = $id;
if (!$this->Monitor->exists()) {
throw new NotFoundException(__('Invalid monitor'));
}
if ($this->Session->Read('systemPermission') != 'Edit')
{
throw new UnauthorizedException(__('Insufficient privileges'));
return;
}
$this->request->allowMethod('post', 'delete');
$this->daemonControl($this->Monitor->id, 'stop');
if ($this->Monitor->delete()) {
return $this->flash(__('The monitor has been deleted.'), array('action' => 'index'));
} else {
return $this->flash(__('The monitor could not be deleted. Please, try again.'), array('action' => 'index'));
}
}
public function sourceTypes() {
$sourceTypes = $this->Monitor->query("describe Monitors Type;");
preg_match('/^enum\((.*)\)$/', $sourceTypes[0]['COLUMNS']['Type'], $matches);
foreach( explode(',', $matches[1]) as $value ) {
$enum[] = trim( $value, "'" );
}
$this->set(array(
'sourceTypes' => $enum,
'_serialize' => array('sourceTypes')
));
}
// arm/disarm alarms
// expected format: http(s):/portal-api-url/monitors/alarm/id:M/command:C.json
// where M=monitorId
// where C=on|off|status
public function alarm()
{
$id = $this->request->params['named']['id'];
$cmd = strtolower($this->request->params['named']['command']);
if (!$this->Monitor->exists($id)) {
throw new NotFoundException(__('Invalid monitor'));
}
if ( $cmd != 'on' && $cmd != 'off' && $cmd != 'status')
{
throw new BadRequestException(__('Invalid command'));
}
$zm_path_bin = Configure::read('ZM_PATH_BIN');
switch ($cmd)
{
case "on":
$q = '-a';
$verbose = "-v";
break;
case "off":
$q = "-c";
$verbose = "-v";
break;
case "status":
$verbose = ""; // zmu has a bug - gives incorrect verbose output in this case
$q = "-s";
break;
}
// form auth key based on auth credentials
$this->loadModel('Config');
$options = array('conditions' => array('Config.' . $this->Config->primaryKey => 'ZM_OPT_USE_AUTH'));
$config = $this->Config->find('first', $options);
$zmOptAuth = $config['Config']['Value'];
$options = array('conditions' => array('Config.' . $this->Config->primaryKey => 'ZM_AUTH_RELAY'));
$config = $this->Config->find('first', $options);
$zmAuthRelay = $config['Config']['Value'];
$auth="";
if ($zmOptAuth)
{
if ($zmAuthRelay == 'hashed')
{
$options = array('conditions' => array('Config.' . $this->Config->primaryKey => 'ZM_AUTH_HASH_SECRET'));
$config = $this->Config->find('first', $options);
$zmAuthHashSecret = $config['Config']['Value'];
$time = localtime();
$ak = $zmAuthHashSecret.$this->Session->Read('username').$this->Session->Read('passwordHash').$time[2].$time[3].$time[4].$time[5];
$ak = md5($ak);
$auth = " -A ".$ak;
}
elseif ($zmAuthRelay == 'plain')
{
$auth = " -U " .$this->Session->Read('username')." -P ".$this->Session->Read('password');
}
elseif ($zmAuthRelay == 'none')
{
$auth = " -U " .$this->Session->Read('username');
}
}
$shellcmd = escapeshellcmd("$zm_path_bin/zmu $verbose -m$id $q $auth");
$status = exec ($shellcmd);
$this->set(array(
'status' => $status,
'_serialize' => array('status'),
));
}
// Check if a daemon is running for the monitor id
public function daemonStatus() {
$id = $this->request->params['named']['id'];
$daemon = $this->request->params['named']['daemon'];
if (!$this->Monitor->exists($id)) {
throw new NotFoundException(__('Invalid monitor'));
}
$monitor = $this->Monitor->find('first', array(
'fields' => array('Id', 'Type', 'Device'),
'conditions' => array('Id' => $id)
));
// Clean up the returned array
$monitor = Set::extract('/Monitor/.', $monitor);
// Pass -d for local, otherwise -m
if ($monitor[0]['Type'] == 'Local') {
$args = "-d ". $monitor[0]['Device'];
} else {
$args = "-m ". $monitor[0]['Id'];
}
// Build the command, and execute it
$zm_path_bin = Configure::read('ZM_PATH_BIN');
$command = escapeshellcmd("$zm_path_bin/zmdc.pl status $daemon $args");
$status = exec( $command );
// If 'not' is present, the daemon is not running, so return false
// https://github.com/ZoneMinder/ZoneMinder/issues/799#issuecomment-108996075
// Also sending back the status text so we can check if the monitor is in pending
// state which means there may be an error
$statustext = $status;
$status = (strpos($status, 'not')) ? false : true;
$this->set(array(
'status' => $status,
'statustext' => $statustext,
'_serialize' => array('status','statustext'),
));
}
public function daemonControl($id, $command, $monitor=null, $daemon=null) {
$args = '';
$daemons = array();
if (!$monitor) {
// Need to see if it is local or remote
$monitor = $this->Monitor->find('first', array(
'fields' => array('Type', 'Function'),
'conditions' => array('Id' => $id)
));
$monitor = $monitor['Monitor'];
}
if ($monitor['Type'] == 'Local') {
$args = "-d " . $monitor['Device'];
} else {
$args = "-m " . $id;
}
if ($monitor['Function'] == 'Monitor') {
array_push($daemons, 'zmc');
} else {
array_push($daemons, 'zmc', 'zma');
}
$zm_path_bin = Configure::read('ZM_PATH_BIN');
foreach ($daemons as $daemon) {
$shellcmd = escapeshellcmd("$zm_path_bin/zmdc.pl $command $daemon $args");
$status = exec( $shellcmd );
}
}
}