zoneminder/web/includes/actions.php

<?php
//
// ZoneMinder web action file, $Date$, $Revision$
// Copyright (C) 2001-2008 Philip Coombes
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//

// PP - POST request handler for PHP which does not need extensions
// credit: http://wezfurlong.org/blog/2006/nov/http-post-from-php-without-curl/


function do_request($method, $url, $data=array(), $optional_headers = null) {
  global $php_errormsg;

  $params = array('http' => array(
        'method' => $method,
        'content' => $data
        ));
  if ($optional_headers !== null) {
    $params['http']['header'] = $optional_headers;
  }
  $ctx = stream_context_create($params);
  $fp = @fopen($url, 'rb', false, $ctx);
  if (!$fp) {
    throw new Exception("Problem with $url, $php_errormsg");
  }
  $response = @stream_get_contents($fp);
  if ($response === false) {
    throw new Exception("Problem reading data from $url, $php_errormsg");
  }
  return $response;
}

function do_post_request($url, $data, $optional_headers = null) {
  $params = array('http' => array(
        'method' => 'POST',
        'content' => $data
        ));
  if ($optional_headers !== null) {
    $params['http']['header'] = $optional_headers;
  }
  $ctx = stream_context_create($params);
  $fp = @fopen($url, 'rb', false, $ctx);
  if (!$fp) {
    throw new Exception("Problem with $url, $php_errormsg");
  }
  $response = @stream_get_contents($fp);
  if ($response === false) {
    throw new Exception("Problem reading data from $url, $php_errormsg");
  }
  return $response;
}

function getAffectedIds( $name ) {
  $names = $name.'s';
  $ids = array();
	if ( isset($_REQUEST[$names]) ) {
		if ( is_array($_REQUEST[$names]) ) {
			$ids = $_REQUEST[$names];
		} else {
			$ids = array($_REQUEST[$names]);
		}
	} else if ( isset($_REQUEST[$name]) ) {
		if ( is_array($_REQUEST[$name]) ) {
			$ids = $_REQUEST[$name];
		} else {
			$ids = array($_REQUEST[$name]);
		}
	}
	return $ids;
}


if ( empty($action) ) {
  return;
}
if ( $action == 'login' && isset($_REQUEST['username']) && ( ZM_AUTH_TYPE == 'remote' || isset($_REQUEST['password']) ) ) {
  // if true, a popup will display after login
  // PP - lets validate reCaptcha if it exists
  if ( defined('ZM_OPT_USE_GOOG_RECAPTCHA') 
      && defined('ZM_OPT_GOOG_RECAPTCHA_SECRETKEY') 
      && defined('ZM_OPT_GOOG_RECAPTCHA_SITEKEY')
      && ZM_OPT_USE_GOOG_RECAPTCHA && ZM_OPT_GOOG_RECAPTCHA_SECRETKEY 
      && ZM_OPT_GOOG_RECAPTCHA_SITEKEY )
  {
    $url = 'https://www.google.com/recaptcha/api/siteverify';
    $fields = array (
        'secret'    => ZM_OPT_GOOG_RECAPTCHA_SECRETKEY,
        'response'  => $_REQUEST['g-recaptcha-response'],
        'remoteip'  => $_SERVER['REMOTE_ADDR']
        );
    $res = do_post_request($url, http_build_query($fields));
    $responseData = json_decode($res,true);
    // PP - credit: https://github.com/google/recaptcha/blob/master/src/ReCaptcha/Response.php
    // if recaptcha resulted in error, we might have to deny login
    if (isset($responseData['success']) && $responseData['success'] == false) {
      // PP - before we deny auth, let's make sure the error was not 'invalid secret'
      // because that means the user did not configure the secret key correctly
      // in this case, we prefer to let him login in and display a message to correct
      // the key. Unfortunately, there is no way to check for invalid site key in code
      // as it produces the same error as when you don't answer a recaptcha
      if (isset($responseData['error-codes']) && is_array($responseData['error-codes'])) {
        if (!in_array('invalid-input-secret',$responseData['error-codes'])) {	
          Error('reCaptcha authentication failed');
          userLogout();
          $view='login';
          $refreshParent = true;
          return;
        } else {
          //Let them login but show an error
          echo '<script type="text/javascript">alert("'.translate('RecaptchaWarning').'"); </script>';
          Error('Invalid recaptcha secret detected');
        }
      }
    } // end if success==false
  } // end if using reCaptcha

  $username = validStr($_REQUEST['username']);
  $password = isset($_REQUEST['password'])?validStr($_REQUEST['password']):'';
  userLogin($username, $password);
  $refreshParent = true;
  $view = 'console';
  $redirect = ZM_BASE_URL.$_SERVER['PHP_SELF'].'?view=console';
} else if ( $action == 'logout' ) {
  userLogout();
  $refreshParent = true;
  $view = 'none';
} else if ( $action == 'bandwidth' && isset($_REQUEST['newBandwidth']) ) {
  $_COOKIE['zmBandwidth'] = validStr($_REQUEST['newBandwidth']);
  setcookie( 'zmBandwidth', validStr($_REQUEST['newBandwidth']), time()+3600*24*30*12*10 );
  $refreshParent = true;
}

// Event scope actions, view permissions only required
if ( canView('Events') ) {

  if ( isset( $_REQUEST['object'] ) and ( $_REQUEST['object'] == 'filter' ) ) {
    if ( $action == 'addterm' ) {
      $_REQUEST['filter'] = addFilterTerm( $_REQUEST['filter'], $_REQUEST['line'] );
    } elseif ( $action == 'delterm' ) {
      $_REQUEST['filter'] = delFilterTerm( $_REQUEST['filter'], $_REQUEST['line'] );
    } else if ( canEdit( 'Events' ) ) {
      if ( $action == 'delete' ) {
        if ( ! empty($_REQUEST['Id']) ) {
          dbQuery('DELETE FROM Filters WHERE Id=?', array($_REQUEST['Id']));
        }
      } else if ( ( $action == 'Save' ) or ( $action == 'SaveAs' ) or ( $action == 'execute' ) ) {
       # or ( $action == 'submit' ) ) {

        $sql = '';
        $_REQUEST['filter']['Query']['sort_field'] = validStr($_REQUEST['filter']['Query']['sort_field']);
        $_REQUEST['filter']['Query']['sort_asc'] = validStr($_REQUEST['filter']['Query']['sort_asc']);
        $_REQUEST['filter']['Query']['limit'] = validInt($_REQUEST['filter']['Query']['limit']);
        if ( $action == 'execute' ) {
          $tempFilterName = '_TempFilter'.time();
          $sql .= ' Name = \''.$tempFilterName.'\'';
        } else {
          $sql .= ' Name = '.dbEscape($_REQUEST['filter']['Name']);
        }
        $sql .= ', Query = '.dbEscape(jsonEncode($_REQUEST['filter']['Query']));
        $sql .= ', AutoArchive = '.(!empty($_REQUEST['filter']['AutoArchive']) ? 1 : 0);
        $sql .= ', AutoVideo = '. ( !empty($_REQUEST['filter']['AutoVideo']) ? 1 : 0);
        $sql .= ', AutoUpload = '. ( !empty($_REQUEST['filter']['AutoUpload']) ? 1 : 0);
        $sql .= ', AutoEmail = '. ( !empty($_REQUEST['filter']['AutoEmail']) ? 1 : 0);
        $sql .= ', AutoMessage = '. ( !empty($_REQUEST['filter']['AutoMessage']) ? 1 : 0);
        $sql .= ', AutoExecute = '. ( !empty($_REQUEST['filter']['AutoExecute']) ? 1 : 0);
        $sql .= ', AutoExecuteCmd = '.dbEscape($_REQUEST['filter']['AutoExecuteCmd']);
        $sql .= ', AutoDelete = '. ( !empty($_REQUEST['filter']['AutoDelete']) ? 1 : 0);
        if ( !empty($_REQUEST['filter']['AutoMove']) ? 1 : 0) {
          $sql .= ', AutoMove = 1, AutoMoveTo='. validInt($_REQUEST['filter']['AutoMoveTo']);
        } else {
          $sql .= ', AutoMove = 0'; 
        }
        $sql .= ', UpdateDiskSpace = '. ( !empty($_REQUEST['filter']['UpdateDiskSpace']) ? 1 : 0);
        $sql .= ', Background = '. ( !empty($_REQUEST['filter']['Background']) ? 1 : 0);
        $sql .= ', Concurrent  = '. ( !empty($_REQUEST['filter']['Concurrent']) ? 1 : 0);

        if ( $_REQUEST['Id'] and ( $action == 'Save' ) ) {
          dbQuery('UPDATE Filters SET ' . $sql. ' WHERE Id=?', array($_REQUEST['Id']));
        } else {
          dbQuery('INSERT INTO Filters SET' . $sql);
          $_REQUEST['Id'] = dbInsertId();
        }
        if ( $action == 'execute' ) {
          executeFilter( $tempFilterName );
        }

      } // end if save or execute
    } // end if canEdit(Events)
    return;
  } // end if object == filter
    else {

    // Event scope actions, edit permissions required
    if ( canEdit('Events') ) {
      if ( ($action == 'rename') && isset($_REQUEST['eventName']) && !empty($_REQUEST['eid']) ) {
        dbQuery('UPDATE Events SET Name=? WHERE Id=?', array($_REQUEST['eventName'], $_REQUEST['eid']));
      } else if ( $action == 'eventdetail' ) {
        if ( !empty($_REQUEST['eid']) ) {
          dbQuery( 'UPDATE Events SET Cause=?, Notes=? WHERE Id=?', array( $_REQUEST['newEvent']['Cause'], $_REQUEST['newEvent']['Notes'], $_REQUEST['eid'] ) );
        } else {
					$dbConn->beginTransaction();
          foreach( getAffectedIds('markEid') as $markEid ) {
            dbQuery( 'UPDATE Events SET Cause=?, Notes=? WHERE Id=?', array( $_REQUEST['newEvent']['Cause'], $_REQUEST['newEvent']['Notes'], $markEid ) );
          }
					$dbConn->commit();
        }
        $refreshParent = true;
        $closePopup = true;
      } elseif ( $action == 'archive' || $action == 'unarchive' ) {
        $archiveVal = ($action == 'archive')?1:0;
        if ( !empty($_REQUEST['eid']) ) {
          dbQuery('UPDATE Events SET Archived=? WHERE Id=?', array($archiveVal, $_REQUEST['eid']));
        } else {
					$dbConn->beginTransaction();
          foreach( getAffectedIds( 'markEid' ) as $markEid ) {
            dbQuery('UPDATE Events SET Archived=? WHERE Id=?', array($archiveVal, $markEid));
          }
					$dbConn->commit();
          $refreshParent = true;
        }
      } elseif ( $action == 'delete' ) {
				$dbConn->beginTransaction();
        foreach( getAffectedIds( 'markEid' ) as $markEid ) {
          deleteEvent( $markEid );
        }
				$dbConn->commit();
        $refreshParent = true;
      }
    } // end if canEdit(Events)
  } // end if filter or something else
} // end canView(Events)

// Monitor control actions, require a monitor id and control view permissions for that monitor
if ( !empty($_REQUEST['mid']) && canView( 'Control', $_REQUEST['mid'] ) ) {
  require_once( 'control_functions.php' );
  require_once( 'Monitor.php' );
  $mid = validInt($_REQUEST['mid']);
  if ( $action == 'control' ) {
    $monitor = new Monitor( $mid );

    $ctrlCommand = buildControlCommand( $monitor );
    sendControlCommand( $monitor->Id(), $ctrlCommand );
  } elseif ( $action == 'settings' ) {
    $args = ' -m ' . escapeshellarg($mid);
    $args .= ' -B' . escapeshellarg($_REQUEST['newBrightness']);
    $args .= ' -C' . escapeshellarg($_REQUEST['newContrast']);
    $args .= ' -H' . escapeshellarg($_REQUEST['newHue']);
    $args .= ' -O' . escapeshellarg($_REQUEST['newColour']);

    $zmuCommand = getZmuCommand( $args );

    $zmuOutput = exec( $zmuCommand );
    list( $brightness, $contrast, $hue, $colour ) = explode( ' ', $zmuOutput );
    dbQuery( 'UPDATE Monitors SET Brightness = ?, Contrast = ?, Hue = ?, Colour = ? WHERE Id = ?', array($brightness, $contrast, $hue, $colour, $mid));
  }
}

// Control capability actions, require control edit permissions
if ( canEdit('Control') ) {
  if ( $action == 'controlcap' ) {
    require_once( 'Control.php' );
    $Control = new Control( !empty($_REQUEST['cid']) ? $_REQUEST['cid'] : null );

    //$changes = getFormChanges( $control, $_REQUEST['newControl'], $types, $columns );
    $Control->save( $_REQUEST['newControl'] );
    $refreshParent = true;
    $view = 'none';
  } elseif ( $action == 'delete' ) {
    if ( isset($_REQUEST['markCids']) ) {
      foreach( $_REQUEST['markCids'] as $markCid ) {
        dbQuery( 'delete from Controls where Id = ?', array($markCid) );
        dbQuery( 'update Monitors set Controllable = 0, ControlId = 0 where ControlId = ?', array($markCid) );
        $refreshParent = true;
      }
    }
  } // end if action
} // end if canEdit Controls

if ( isset($_REQUEST['object']) and $_REQUEST['object'] == 'Monitor' ) {
  if ( $action == 'save' ) {
    foreach ( $_REQUEST['mids'] as $mid ) {
      $mid = ValidInt( $mid );
      if ( ! canEdit('Monitors', $mid ) ) {
        Warning("Cannot edit monitor $mid");
        continue;
      }
      $Monitor = new Monitor( $mid );
      if ( $Monitor->Type() != 'WebSite' ) {
        $Monitor->zmaControl('stop');
        $Monitor->zmcControl('stop');
      }
      $Monitor->save( $_REQUEST['newMonitor'] );
      if ($Monitor->Function() != 'None' && $Monitor->Type() != 'WebSite' ) {
        $Monitor->zmcControl('start');
        if ( $Monitor->Enabled() ) {
          $Monitor->zmaControl('start');
        }
      }

    } // end foreach mid
    $refreshParent = true;
  } // end if action == save
} // end if object is Monitor

// Monitor edit actions, require a monitor id and edit permissions for that monitor
if ( !empty($_REQUEST['mid']) && canEdit( 'Monitors', $_REQUEST['mid'] ) ) {
  $mid = validInt($_REQUEST['mid']);
  if ( $action == 'function' ) {
    $monitor = dbFetchOne( 'SELECT * FROM Monitors WHERE Id=?', NULL, array($mid) );

    $newFunction = validStr($_REQUEST['newFunction']);
    # Because we use a checkbox, it won't get passed in the request. So not being in _REQUEST means 0
    $newEnabled = ( !isset( $_REQUEST['newEnabled'] ) or $_REQUEST['newEnabled'] != '1' ) ? '0' : '1';
    $oldFunction = $monitor['Function'];
    $oldEnabled = $monitor['Enabled'];
    if ( $newFunction != $oldFunction || $newEnabled != $oldEnabled ) {
      dbQuery( 'UPDATE Monitors SET Function=?, Enabled=? WHERE Id=?', array( $newFunction, $newEnabled, $mid ) );

      $monitor['Function'] = $newFunction;
      $monitor['Enabled'] = $newEnabled;
      if ( daemonCheck() && $monitor['Type'] != 'WebSite' ) {
        $restart = ($oldFunction == 'None') || ($newFunction == 'None') || ($newEnabled != $oldEnabled);
        zmaControl( $monitor, 'stop' );
        zmcControl( $monitor, $restart?'restart':'' );
        zmaControl( $monitor, 'start' );
      }
      $refreshParent = true;
    }
  } elseif ( $action == 'zone' && isset( $_REQUEST['zid'] ) ) {
    $zid = validInt($_REQUEST['zid']);
    $monitor = dbFetchOne( 'SELECT * FROM Monitors WHERE Id=?', NULL, array($mid) );

    if ( !empty($zid) ) {
      $zone = dbFetchOne( 'SELECT * FROM Zones WHERE MonitorId=? AND Id=?', NULL, array( $mid, $zid ) );
    } else {
      $zone = array();
    }

    if ( $_REQUEST['newZone']['Units'] == 'Percent' ) {
      $_REQUEST['newZone']['MinAlarmPixels'] = intval(($_REQUEST['newZone']['MinAlarmPixels']*$_REQUEST['newZone']['Area'])/100);
      $_REQUEST['newZone']['MaxAlarmPixels'] = intval(($_REQUEST['newZone']['MaxAlarmPixels']*$_REQUEST['newZone']['Area'])/100);
      if ( isset($_REQUEST['newZone']['MinFilterPixels']) )
        $_REQUEST['newZone']['MinFilterPixels'] = intval(($_REQUEST['newZone']['MinFilterPixels']*$_REQUEST['newZone']['Area'])/100);
      if ( isset($_REQUEST['newZone']['MaxFilterPixels']) )
        $_REQUEST['newZone']['MaxFilterPixels'] = intval(($_REQUEST['newZone']['MaxFilterPixels']*$_REQUEST['newZone']['Area'])/100);
      if ( isset($_REQUEST['newZone']['MinBlobPixels']) )
        $_REQUEST['newZone']['MinBlobPixels'] = intval(($_REQUEST['newZone']['MinBlobPixels']*$_REQUEST['newZone']['Area'])/100);
      if ( isset($_REQUEST['newZone']['MaxBlobPixels']) )
        $_REQUEST['newZone']['MaxBlobPixels'] = intval(($_REQUEST['newZone']['MaxBlobPixels']*$_REQUEST['newZone']['Area'])/100);
    }

    unset( $_REQUEST['newZone']['Points'] );
    $types = array();
    $changes = getFormChanges( $zone, $_REQUEST['newZone'], $types );

    if ( count( $changes ) ) {
      if ( $zid > 0 ) {
        dbQuery( 'UPDATE Zones SET '.implode( ', ', $changes ).' WHERE MonitorId=? AND Id=?', array( $mid, $zid) );
      } else {
        dbQuery( 'INSERT INTO Zones SET MonitorId=?, '.implode( ', ', $changes ), array( $mid ) );
      }
      if ( daemonCheck() && $monitor['Type'] != 'WebSite' ) {
        if ( $_REQUEST['newZone']['Type'] == 'Privacy' ) {
          zmaControl( $monitor, 'stop' );
          zmcControl( $monitor, 'restart' );
          zmaControl( $monitor, 'start' );
        } else {
          zmaControl( $mid, 'restart' );
        }
      }
      if ( $_REQUEST['newZone']['Type'] == 'Privacy' && $monitor['Controllable'] ) {
        require_once( 'control_functions.php' );
        sendControlCommand( $mid, 'quit' );
      }
      $refreshParent = true;
    }
    $view = 'none';
  } elseif ( $action == 'plugin' && isset($_REQUEST['pl'])) {
    $sql='SELECT * FROM PluginsConfig WHERE MonitorId=? AND ZoneId=? AND pluginName=?';
    $pconfs=dbFetchAll( $sql, NULL, array( $mid, $_REQUEST['zid'], $_REQUEST['pl'] ) );
    $changes=0;
    foreach( $pconfs as $pconf ) {
      $value=$_REQUEST['pluginOpt'][$pconf['Name']];
      if(array_key_exists($pconf['Name'], $_REQUEST['pluginOpt']) && ($pconf['Value']!=$value)) {
        dbQuery('UPDATE PluginsConfig SET Value=? WHERE id=?', array( $value, $pconf['Id'] ) );
        $changes++;
      }
    }
    if($changes>0) {
      if ( daemonCheck() && $monitor['Type'] != 'WebSite' ) {
        zmaControl( $mid, 'restart' );
      }
      $refreshParent = true;
    }
    $view = 'none';
  } elseif ( $action == 'sequence' && isset($_REQUEST['smid']) ) {
    $smid = validInt($_REQUEST['smid']);
    $monitor = dbFetchOne( 'select * from Monitors where Id = ?', NULL, array($mid) );
    $smonitor = dbFetchOne( 'select * from Monitors where Id = ?', NULL, array($smid) );

    dbQuery( 'update Monitors set Sequence=? where Id=?', array( $smonitor['Sequence'], $monitor['Id'] ) );
    dbQuery( 'update Monitors set Sequence=? WHERE Id=?', array( $monitor['Sequence'], $smonitor['Id'] ) );

    $refreshParent = true;
    fixSequences();
  } elseif ( $action == 'delete' ) {
    if ( isset($_REQUEST['markZids']) ) {
      $deletedZid = 0;
      foreach( $_REQUEST['markZids'] as $markZid ) {
        $zone = dbFetchOne( 'select * from Zones where Id=?', NULL, array($markZid) );
        dbQuery( 'delete from Zones WHERE MonitorId=? AND Id=?', array( $mid, $markZid) );
        $deletedZid = 1;
      }
      if ( $deletedZid ) {
        if ( daemonCheck() && $monitor['Type'] != 'WebSite' ) {
          if ( $zone['Type'] == 'Privacy' ) {
            zmaControl( $mid, 'stop' );
            zmcControl( $mid, 'restart' );
            zmaControl( $mid, 'start' );
          } else {
            zmaControl( $mid, 'restart' );
          }
        } // end if daemonCheck()
        $refreshParent = true;
      } // end if deletedzid
    } // end if isset($_REQUEST['markZids'])
  } // end if action 
} // end if $mid and canEdit($mid)

// Monitor edit actions, monitor id derived, require edit permissions for that monitor
if ( canEdit( 'Monitors' ) ) {
  if ( $action == 'monitor' ) {
    $mid = 0;
    if ( !empty($_REQUEST['mid']) ) {
      $mid = validInt($_REQUEST['mid']);
      $monitor = dbFetchOne( 'SELECT * FROM Monitors WHERE Id=?', NULL, array($mid) );

      if ( ZM_OPT_X10 ) {
        $x10Monitor = dbFetchOne( 'SELECT * FROM TriggersX10 WHERE MonitorId=?', NULL, array($mid) );
        if ( !$x10Monitor )
          $x10Monitor = array();
      }
    } else {
      $monitor = array();
      if ( ZM_OPT_X10 ) {
        $x10Monitor = array();
      }
    }
    $Monitor = new Monitor($monitor);

    // Define a field type for anything that's not simple text equivalent
    $types = array(
        'Triggers' => 'set',
        'Controllable' => 'toggle',
        'TrackMotion' => 'toggle',
        'Enabled' => 'toggle',
        'DoNativeMotDet' => 'toggle',
        'Exif' => 'toggle',
        'RTSPDescribe' => 'toggle',
        'RecordAudio' => 'toggle',
        'Method' => 'raw',
        );

    if ( $_REQUEST['newMonitor']['ServerId'] == 'auto' ) {
      $_REQUEST['newMonitor']['ServerId'] = dbFetchOne('SELECT Id FROM Servers WHERE Status=\'Running\' ORDER BY FreeMem DESC, CpuLoad ASC LIMIT 1', 'Id');
      Logger::Debug("Auto selecting server: Got " . $_REQUEST['newMonitor']['ServerId'] );
      if ( ( ! $_REQUEST['newMonitor'] ) and defined('ZM_SERVER_ID') ) {
        $_REQUEST['newMonitor']['ServerId'] = ZM_SERVER_ID;
        Logger::Debug("Auto selecting server to " . ZM_SERVER_ID);
      }
    }

    $columns = getTableColumns('Monitors');
    $changes = getFormChanges($monitor, $_REQUEST['newMonitor'], $types, $columns);

    if ( count( $changes ) ) {
      if ( $mid ) {

        # If we change anything that changes the shared mem size, zma can complain.  So let's stop first.
        if ( $monitor['Type'] != 'WebSite' ) {
          zmaControl($monitor, 'stop');
          zmcControl($monitor, 'stop');
        }
        dbQuery( 'UPDATE Monitors SET '.implode( ', ', $changes ).' WHERE Id=?', array($mid) );
        // Groups will be added below
        if ( isset($changes['Name']) or isset($changes['StorageId']) ) {
          $OldStorage = new Storage( $monitor['StorageId'] );
          $saferOldName = basename( $monitor['Name'] );
          if ( file_exists( $OldStorage->Path().'/'.$saferOldName ) )
            unlink( $OldStorage->Path().'/'.$saferOldName );

          $NewStorage = new Storage( $_REQUEST['newMonitor']['StorageId'] );
          if ( ! file_exists( $NewStorage->Path().'/'.$mid ) )
            mkdir( $NewStorage->Path().'/'.$mid, 0755 );
          $saferNewName = basename( $_REQUEST['newMonitor']['Name'] );
          symlink( $mid, $NewStorage->Path().'/'.$saferNewName );
        }
        if ( isset($changes['Width']) || isset($changes['Height']) ) {
          $newW = $_REQUEST['newMonitor']['Width'];
          $newH = $_REQUEST['newMonitor']['Height'];
          $newA = $newW * $newH;
          $oldW = $monitor['Width'];
          $oldH = $monitor['Height'];
          $oldA = $oldW * $oldH;

          $zones = dbFetchAll( 'SELECT * FROM Zones WHERE MonitorId=?', NULL, array($mid) );
          foreach ( $zones as $zone ) {
            $newZone = $zone;
            $points = coordsToPoints( $zone['Coords'] );
            for ( $i = 0; $i < count($points); $i++ ) {
              $points[$i]['x'] = intval(($points[$i]['x']*($newW-1))/($oldW-1));
              $points[$i]['y'] = intval(($points[$i]['y']*($newH-1))/($oldH-1));
            }
            $newZone['Coords'] = pointsToCoords( $points );
            $newZone['Area'] = intval(round(($zone['Area']*$newA)/$oldA));
            $newZone['MinAlarmPixels'] = intval(round(($newZone['MinAlarmPixels']*$newA)/$oldA));
            $newZone['MaxAlarmPixels'] = intval(round(($newZone['MaxAlarmPixels']*$newA)/$oldA));
            $newZone['MinFilterPixels'] = intval(round(($newZone['MinFilterPixels']*$newA)/$oldA));
            $newZone['MaxFilterPixels'] = intval(round(($newZone['MaxFilterPixels']*$newA)/$oldA));
            $newZone['MinBlobPixels'] = intval(round(($newZone['MinBlobPixels']*$newA)/$oldA));
            $newZone['MaxBlobPixels'] = intval(round(($newZone['MaxBlobPixels']*$newA)/$oldA));

            $changes = getFormChanges( $zone, $newZone, $types );

            if ( count( $changes ) ) {
              dbQuery( 'update Zones set '.implode( ', ', $changes ).' WHERE MonitorId=? AND Id=?', array( $mid, $zone['Id'] ) );
            }
          }
        }
        $restart = true;
      } else if ( ! $user['MonitorIds'] ) { // Can only create new monitors if we are not restricted to specific monitors
# FIXME This is actually a race condition. Should lock the table.
        $maxSeq = dbFetchOne('SELECT MAX(Sequence) AS MaxSequence FROM Monitors', 'MaxSequence');
        $changes[] = 'Sequence = '.($maxSeq+1);

        if ( dbQuery( 'INSERT INTO Monitors SET '.implode( ', ', $changes ) ) ) {
          $mid = dbInsertId();
          $zoneArea = $_REQUEST['newMonitor']['Width'] * $_REQUEST['newMonitor']['Height'];
          dbQuery( "insert into Zones set MonitorId = ?, Name = 'All', Type = 'Active', Units = 'Percent', NumCoords = 4, Coords = ?, Area=?, AlarmRGB = 0xff0000, CheckMethod = 'Blobs', MinPixelThreshold = 25, MinAlarmPixels=?, MaxAlarmPixels=?, FilterX = 3, FilterY = 3, MinFilterPixels=?, MaxFilterPixels=?, MinBlobPixels=?, MinBlobs = 1", array( $mid, sprintf( "%d,%d %d,%d %d,%d %d,%d", 0, 0, $_REQUEST['newMonitor']['Width']-1, 0, $_REQUEST['newMonitor']['Width']-1, $_REQUEST['newMonitor']['Height']-1, 0, $_REQUEST['newMonitor']['Height']-1 ), $zoneArea, intval(($zoneArea*3)/100), intval(($zoneArea*75)/100), intval(($zoneArea*3)/100), intval(($zoneArea*75)/100), intval(($zoneArea*2)/100)  ) );
          //$view = 'none';
          $Storage = new Storage( $_REQUEST['newMonitor']['StorageId'] );
          mkdir( $Storage->Path().'/'.$mid, 0755 );
          $saferName = basename($_REQUEST['newMonitor']['Name']);
          symlink( $mid, $Storage->Path().'/'.$saferName );
  
        } else {
          Error("Error saving new Monitor.");
          return;
        }
      } else {
        Error("Users with Monitors restrictions cannot create new monitors.");
        return;
      }

      $restart = true;
    } else {
      Logger::Debug("No action due to no changes to Monitor");
    } # end if count(changes)

    if (
      ( !isset($_POST['newMonitor']['GroupIds']) )
      or
      ( count($_POST['newMonitor']['GroupIds']) != count($Monitor->GroupIds()) )
      or 
      array_diff($_POST['newMonitor']['GroupIds'], $Monitor->GroupIds())
    ) {
      if ( $Monitor->Id() )
        dbQuery('DELETE FROM Groups_Monitors WHERE MonitorId=?', array($mid));

      if ( isset($_POST['newMonitor']['GroupIds']) ) {
        foreach ( $_POST['newMonitor']['GroupIds'] as $group_id ) {
          dbQuery('INSERT INTO Groups_Monitors (GroupId,MonitorId) VALUES (?,?)', array($group_id, $mid));
        }
      }
    } // end if there has been a change of groups

    if ( ZM_OPT_X10 ) {
      $x10Changes = getFormChanges( $x10Monitor, $_REQUEST['newX10Monitor'] );

      if ( count( $x10Changes ) ) {
        if ( $x10Monitor && isset($_REQUEST['newX10Monitor']) ) {
          dbQuery( 'update TriggersX10 set '.implode( ', ', $x10Changes ).' where MonitorId=?', array($mid) );
        } elseif ( !$user['MonitorIds'] ) {
          if ( !$x10Monitor ) {
            dbQuery( 'insert into TriggersX10 set MonitorId = ?, '.implode( ', ', $x10Changes ), array( $mid ) );
          } else {
            dbQuery( 'delete from TriggersX10 where MonitorId = ?', array($mid) );
          }
        }
        $restart = true;
      }
    }

    if ( $restart ) {
      
      $new_monitor = new Monitor($mid);
      //fixDevices();

      if ( $monitor['Type'] != 'WebSite' ) {
        $new_monitor->zmcControl('start');
        $new_monitor->zmaControl('start');
      }

      if ( $new_monitor->Controllable() ) {
        require_once( 'control_functions.php' );
        sendControlCommand( $mid, 'quit' );
      } 
      // really should thump zmwatch and maybe zmtrigger too.
      //daemonControl( 'restart', 'zmwatch.pl' );
      $refreshParent = true;
    } // end if restart
    $view = 'none';
  } elseif ( $action == 'delete' ) {
    if ( isset($_REQUEST['markMids']) && !$user['MonitorIds'] ) {
      require_once( 'Monitor.php' );
      foreach( $_REQUEST['markMids'] as $markMid ) {
        if ( canEdit('Monitors', $markMid) ) {
          // This could be faster as a select all
          if ( $monitor = dbFetchOne( 'SELECT * FROM Monitors WHERE Id = ?', NULL, array($markMid) ) ) {
            $Monitor = new Monitor($monitor);
            $Monitor->delete();
          } // end if monitor found in db
        } // end if canedit this monitor
      } // end foreach monitor in MarkMid
    } // markMids is set and we aren't limited to specific monitors
  } // end if action == Delete
}

// Device view actions
if ( canEdit( 'Devices' ) ) {
  if ( $action == 'device' ) {
    if ( !empty($_REQUEST['command']) ) {
      setDeviceStatusX10( $_REQUEST['key'], $_REQUEST['command'] );
    } elseif ( isset( $_REQUEST['newDevice'] ) ) {
      if ( isset($_REQUEST['did']) ) {
        dbQuery( 'update Devices set Name=?, KeyString=? where Id=?', array($_REQUEST['newDevice']['Name'], $_REQUEST['newDevice']['KeyString'], $_REQUEST['did']) );
      } else {
        dbQuery( 'insert into Devices set Name=?, KeyString=?', array( $_REQUEST['newDevice']['Name'], $_REQUEST['newDevice']['KeyString'] ) );
      }
      $refreshParent = true;
      $view = 'none';
    }
  } elseif ( $action == 'delete' ) {
    if ( isset($_REQUEST['markDids']) ) {
      foreach( $_REQUEST['markDids'] as $markDid ) {
        dbQuery( 'delete from Devices where Id=?', array($markDid) );
        $refreshParent = true;
      }
    }
  } // end if action
} // end if canedit devices

// Group view actions
if ( canView( 'Groups' ) && $action == 'setgroup' ) {
  if ( !empty($_REQUEST['gid']) ) {
    setcookie( 'zmGroup', validInt($_REQUEST['gid']), time()+3600*24*30*12*10 );
  } else {
    setcookie( 'zmGroup', '', time()-3600*24*2 );
  }
  $refreshParent = true;
}

// Group edit actions
# Should probably verify that each monitor id is a valid monitor, that we have access to. However at the moment, you have to have System permissions to do this
if ( canEdit( 'Groups' ) ) {
  if ( $action == 'group' ) {
    $monitors = empty( $_POST['newGroup']['MonitorIds'] ) ? '' : implode(',', $_POST['newGroup']['MonitorIds']);
    $group_id = null;
    if ( !empty($_POST['gid']) ) {
      $group_id = $_POST['gid'];
      dbQuery( 'UPDATE Groups SET Name=?, ParentId=? WHERE Id=?',
        array($_POST['newGroup']['Name'], ( $_POST['newGroup']['ParentId'] == '' ? null : $_POST['newGroup']['ParentId'] ), $group_id) );
      dbQuery( 'DELETE FROM Groups_Monitors WHERE GroupId=?', array($group_id) );
    } else {
      dbQuery( 'INSERT INTO Groups (Name,ParentId) VALUES (?,?)',
        array( $_POST['newGroup']['Name'], ( $_POST['newGroup']['ParentId'] == '' ? null : $_POST['newGroup']['ParentId'] ) ) );
      $group_id=dbInsertId();
    }
    if ( $group_id ) {
      foreach ( $_POST['newGroup']['MonitorIds'] as $mid ) {
        dbQuery( 'INSERT INTO Groups_Monitors (GroupId,MonitorId) VALUES (?,?)', array($group_id, $mid) );
      }
    }
    $view = 'none';
    $refreshParent = true;
  } else if ( $action == 'delete' ) {
    if ( !empty($_REQUEST['gid']) ) {
      if ( is_array( $_REQUEST['gid'] ) ) {
        foreach( $_REQUEST['gid'] as $gid ) {
          $Group = new Group( $gid );
          $Group->delete();
        }
      } else {
        $Group = new Group( $_REQUEST['gid'] );
        $Group->delete();
      }
    }
    $refreshParent = true;
  } # end if action
} // end if can edit groups

// System edit actions
if ( canEdit( 'System' ) ) {
  if ( isset( $_REQUEST['object'] ) ) {
    if ( $_REQUEST['object'] == 'MontageLayout' ) {
      require_once('MontageLayout.php');
      if ( $action == 'Save' ) {
        $Layout = null;
        if ( $_REQUEST['Name'] != '' ) {
          $Layout = new MontageLayout();
          $Layout->Name( $_REQUEST['Name'] );
        } else {
          $Layout = new MontageLayout( $_REQUEST['zmMontageLayout'] );
        }
        $Layout->Positions( $_REQUEST['Positions'] );
        $Layout->save();
        session_start();
        $_SESSION['zmMontageLayout'] = $Layout->Id();
        setcookie('zmMontageLayout', $Layout->Id(), 1 );
        session_write_close();
        $redirect = ZM_BASE_URL.$_SERVER['PHP_SELF'].'?view=montage';
      } // end if save

    } else if ( $_REQUEST['object'] == 'server' ) {

      if ( $action == 'Save' ) {
        if ( !empty($_REQUEST['id']) )
          $dbServer = dbFetchOne( 'SELECT * FROM Servers WHERE Id=?', NULL, array($_REQUEST['id']) );
        else
          $dbServer = array();

        $types = array();
        $changes = getFormChanges( $dbServer, $_REQUEST['newServer'], $types );

        if ( count( $changes ) ) {
          if ( !empty($_REQUEST['id']) ) {
            dbQuery( 'UPDATE Servers SET '.implode( ', ', $changes ).' WHERE Id = ?', array($_REQUEST['id']) );
          } else {
            dbQuery( 'INSERT INTO Servers set '.implode( ', ', $changes ) );
          }
          $refreshParent = true;
        }
        $view = 'none';
      } else if ( $action == 'delete' ) {
        if ( !empty($_REQUEST['markIds']) ) {
          foreach( $_REQUEST['markIds'] as $Id )
            dbQuery( 'DELETE FROM Servers WHERE Id=?', array($Id) );
        }
        $refreshParent = true;
      } else {
        Error( "Unknown action $action in saving Server" );
      }
    } else if ( $_REQUEST['object'] == 'storage' ) {
      if ( $action == 'Save' ) {
        if ( !empty($_REQUEST['id']) )
          $dbStorage = dbFetchOne( 'SELECT * FROM Storage WHERE Id=?', NULL, array($_REQUEST['id']) );
        else
          $dbStorage = array();

        $types = array();
        $changes = getFormChanges( $dbStorage, $_REQUEST['newStorage'], $types );

        if ( count( $changes ) ) {
          if ( !empty($_REQUEST['id']) ) {
            dbQuery( 'UPDATE Storage SET '.implode( ', ', $changes ).' WHERE Id = ?', array($_REQUEST['id']) );
          } else {
            dbQuery( 'INSERT INTO Storage set '.implode( ', ', $changes ) );
          }
          $refreshParent = true;
        }
        $view = 'none';
      } else if ( $action == 'delete' ) {
        if ( !empty($_REQUEST['markIds']) ) {
          foreach( $_REQUEST['markIds'] as $Id )
            dbQuery( 'DELETE FROM Storage WHERE Id=?', array($Id) );
        }
        $refreshParent = true;
      } else {
        Error( "Unknown action $action in saving Storage" );
      }
    } # end if isset($_REQUEST['object'] )

  } else if ( $action == 'version' && isset($_REQUEST['option']) ) {
    $option = $_REQUEST['option'];
    switch( $option ) {
      case 'go' :
        {
          // Ignore this, the caller will open the page itself
          break;
        }
      case 'ignore' :
        {
          dbQuery( "update Config set Value = '".ZM_DYN_LAST_VERSION."' where Name = 'ZM_DYN_CURR_VERSION'" );
          break;
        }
      case 'hour' :
      case 'day' :
      case 'week' :
        {
          $nextReminder = time();
          if ( $option == 'hour' ) {
            $nextReminder += 60*60;
          } elseif ( $option == 'day' ) {
            $nextReminder += 24*60*60;
          } elseif ( $option == 'week' ) {
            $nextReminder += 7*24*60*60;
          }
          dbQuery( "update Config set Value = '".$nextReminder."' where Name = 'ZM_DYN_NEXT_REMINDER'" );
          break;
        }
      case 'never' :
        {
          dbQuery( "update Config set Value = '0' where Name = 'ZM_CHECK_FOR_UPDATES'" );
          break;
        }
    }
  }
  if ( $action == 'donate' && isset($_REQUEST['option']) ) {
    $option = $_REQUEST['option'];
    switch( $option ) {
      case 'go' :
        {
          // Ignore this, the caller will open the page itself
          break;
        }
      case 'hour' :
      case 'day' :
      case 'week' :
      case 'month' :
        {
          $nextReminder = time();
          if ( $option == 'hour' ) {
            $nextReminder += 60*60;
          } elseif ( $option == 'day' ) {
            $nextReminder += 24*60*60;
          } elseif ( $option == 'week' ) {
            $nextReminder += 7*24*60*60;
          } elseif ( $option == 'month' ) {
            $nextReminder += 30*24*60*60;
          }
          dbQuery( "update Config set Value = '".$nextReminder."' where Name = 'ZM_DYN_DONATE_REMINDER_TIME'" );
          break;
        }
      case 'never' :
      case 'already' :
        {
          dbQuery( "update Config set Value = '0' where Name = 'ZM_DYN_SHOW_DONATE_REMINDER'" );
          break;
        }
    } // end switch option
  }
  if ( $action == 'options' && isset($_REQUEST['tab']) ) {
    $configCat = $configCats[$_REQUEST['tab']];
    $changed = false;
    foreach ( $configCat as $name=>$value ) {
      unset( $newValue );
      if ( $value['Type'] == 'boolean' && empty($_REQUEST['newConfig'][$name]) ) {
        $newValue = 0;
      } else if ( isset($_REQUEST['newConfig'][$name]) ) {
        $newValue = preg_replace( "/\r\n/", "\n", stripslashes( $_REQUEST['newConfig'][$name] ) );
      }

      if ( isset($newValue) && ($newValue != $value['Value']) ) {
        dbQuery( 'UPDATE Config SET Value=? WHERE Name=?', array( $newValue, $name ) );
        $changed = true;
      }
    } // end foreach config entry
    if ( $changed ) {
      switch( $_REQUEST['tab'] ) {
        case 'system' :
        case 'config' :
          $restartWarning = true;
          break;
        case 'web' :
        case 'tools' :
          break;
        case 'logging' :
        case 'network' :
        case 'mail' :
        case 'upload' :
          $restartWarning = true;
          break;
        case 'highband' :
        case 'medband' :
        case 'lowband' :
          break;
      }
      $redirect = ZM_BASE_URL.$_SERVER['PHP_SELF'].'?view=options&tab='.$_REQUEST['tab'];
    }
    loadConfig( false );
  } elseif ( $action == 'user' ) {
    if ( !empty($_REQUEST['uid']) )
      $dbUser = dbFetchOne( "SELECT * FROM Users WHERE Id=?", NULL, array($_REQUEST['uid']) );
    else
      $dbUser = array();

    $types = array();
    $changes = getFormChanges( $dbUser, $_REQUEST['newUser'], $types );

    if ( $_REQUEST['newUser']['Password'] )
      $changes['Password'] = 'Password = password('.dbEscape($_REQUEST['newUser']['Password']).')';
    else
      unset( $changes['Password'] );

    if ( count( $changes ) ) {
      if ( !empty($_REQUEST['uid']) ) {
        dbQuery( 'update Users set '.implode( ', ', $changes ).' where Id = ?', array($_REQUEST['uid']) );
        # If we are updating the logged in user, then update our session user data.
        if ( $user and ( $dbUser['Username'] == $user['Username'] ) )
          userLogin( $dbUser['Username'], $dbUser['Password'] );
      } else {
        dbQuery( 'insert into Users set '.implode( ', ', $changes ) );
      }
      $refreshParent = true;
    }
    $view = 'none';
  } elseif ( $action == 'state' ) {
    if ( !empty($_REQUEST['runState']) ) {
      //if ( $cookies ) session_write_close();
      packageControl( $_REQUEST['runState'] );
      $refreshParent = true;
    }
  } elseif ( $action == 'save' ) {
    if ( !empty($_REQUEST['runState']) || !empty($_REQUEST['newState']) ) {
      $sql = 'SELECT Id,Function,Enabled FROM Monitors ORDER BY Id';
      $definitions = array();
      foreach( dbFetchAll( $sql ) as $monitor )
      {
        $definitions[] = $monitor['Id'].':'.$monitor['Function'].':'.$monitor['Enabled'];
      }
      $definition = join( ',', $definitions );
      if ( $_REQUEST['newState'] )
        $_REQUEST['runState'] = $_REQUEST['newState'];
      dbQuery( 'replace into States set Name=?, Definition=?', array( $_REQUEST['runState'],$definition) );
    }
  } elseif ( $action == 'delete' ) {
    if ( isset($_REQUEST['runState']) )
      dbQuery( 'delete from States where Name=?', array($_REQUEST['runState']) );

    if ( isset($_REQUEST['markUids']) ) {
      foreach( $_REQUEST['markUids'] as $markUid )
        dbQuery( 'delete from Users where Id = ?', array($markUid) );
      if ( $markUid == $user['Id'] )
        userLogout();
    }
  }
} else {
  if ( ZM_USER_SELF_EDIT && $action == 'user' ) {
    $uid = $user['Id'];

    $dbUser = dbFetchOne( 'SELECT Id, Password, Language FROM Users WHERE Id = ?', NULL, array($uid) );

    $types = array();
    $changes = getFormChanges( $dbUser, $_REQUEST['newUser'], $types );

    if ( !empty($_REQUEST['newUser']['Password']) )
      $changes['Password'] = 'Password = password('.dbEscape($_REQUEST['newUser']['Password']).')';
    else
      unset( $changes['Password'] );
    if ( count( $changes ) ) {
      dbQuery( 'update Users set '.implode( ', ', $changes ).' where Id=?', array($uid) );
      $refreshParent = true;
    }
    $view = 'none';
  }
}

if ( $action == 'reset' ) {
  session_start();
  $_SESSION['zmEventResetTime'] = strftime( STRF_FMT_DATETIME_DB );
  setcookie( 'zmEventResetTime', $_SESSION['zmEventResetTime'], time()+3600*24*30*12*10 );
  session_write_close();
}

?>