zoneminder/web/zm_funcs.php

308 lines
7.2 KiB
PHP

<?php
//
// ZoneMinder function library file, $Date$, $Revision$
// Copyright (C) 2003 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
function userLogin( $username, $password )
{
global $user, $HTTP_SESSION_VARS;
$sql = "select * from Users where Username = '$username' and Password = password('$password') and Enabled = 1";
$result = mysql_query( $sql );
if ( !$result )
echo mysql_error();
if ( $user = mysql_fetch_assoc( $result ) )
{
$HTTP_SESSION_VARS[user] = $user;
}
else
{
$HTTP_SESSION_VARS[user] = array();
}
}
function userLogout()
{
global $user, $HTTP_SESSION_VARS;
unset( $HTTP_SESSION_VARS[user] );
unset( $user );
session_destroy();
}
function visibleMonitor( $mid )
{
global $user;
return( !$user[MonitorIds] || in_array( $mid, split( ',', $user[MonitorIds] ) ) );
}
function canView( $area, $mid=false )
{
global $user;
return( ($user[$area] == 'View' || $user[$area] == 'Edit') && ( !$mid || visibleMonitor( $mid ) ) );
}
function canEdit( $area, $mid=false )
{
global $user;
return( $user[$area] == 'Edit' && ( !$mid || visibleMonitor( $mid ) ) );
}
function deleteEvent( $eid )
{
global $user;
if ( $user[Events] == 'Edit' && $eid )
{
$result = mysql_query( "delete from Events where Id = '$eid'" );
if ( !$result )
die( mysql_error() );
if ( !ZM_OPT_FAST_DELETE )
{
$result = mysql_query( "delete from Stats where EventId = '$eid'" );
if ( !$result )
die( mysql_error() );
$result = mysql_query( "delete from Frames where EventId = '$eid'" );
if ( !$result )
die( mysql_error() );
system( escapeshellcmd( "rm -rf ".ZM_PATH_EVENTS."/*/".sprintf( "%d", $eid ) ) );
}
}
}
function makeLink( $url, $label, $condition=1 )
{
$string = "";
if ( $condition )
{
$string .= '<a href="'.$url.'">';
}
$string .= $label;
if ( $condition )
{
$string .= '</a>';
}
return( $string );
}
function buildSelect( $name, $contents, $onchange="" )
{
global $$name;
?>
<select name="<?= $name ?>" class="form"<?php if ( $onchange ) { echo " onChange=\"$onchange\""; } ?>>
<?php
foreach ( $contents as $content_value => $content_text )
{
?>
<option value="<?= $content_value ?>"<?php if ( $$name == $content_value ) { echo " selected"; } ?>><?= $content_text ?></option>
<?php
}
?>
</select>
<?php
}
function getBrowser( &$browser, &$version )
{
global $HTTP_SERVER_VARS;
if (ereg( 'MSIE ([0-9].[0-9]{1,2})',$HTTP_SERVER_VARS[HTTP_USER_AGENT],$log_version))
{
$version = $log_version[1];
$browser = 'ie';
}
elseif (ereg( 'Opera ([0-9].[0-9]{1,2})',$HTTP_SERVER_VARS[HTTP_USER_AGENT],$log_version))
{
$version = $log_version[1];
$browser = 'opera';
}
elseif (ereg( 'Mozilla/([0-9].[0-9]{1,2})',$HTTP_SERVER_VARS[HTTP_USER_AGENT],$log_version))
{
$version = $log_version[1];
$browser = 'mozilla';
}
else
{
$version = 0;
$browser = 'unknown';
}
}
function isNetscape()
{
getBrowser( $browser, $version );
return( $browser == "mozilla" );
}
function canStream()
{
return( ZM_CAN_STREAM || isNetscape() || (ZM_OPT_CAMBOZOLA && file_exists( ZM_PATH_WEB.'/'.ZM_PATH_CAMBOZOLA )) );
}
function fixDevices()
{
$string = ZM_PATH_BIN."/zmfix";
$string .= " 2>/dev/null >&- <&- >/dev/null";
exec( $string );
}
function packageControl( $command )
{
$string = ZM_PATH_BIN."/zmpkg.pl $command";
$string .= " 2>/dev/null >&- <&- >/dev/null";
exec( $string );
}
function daemonControl( $command, $daemon=false, $args=false )
{
$string = ZM_PATH_BIN."/zmdc.pl $command";
if ( $daemon )
{
$string .= " $daemon";
if ( $args )
{
$string .= " $args";
}
}
$string .= " 2>/dev/null >&- <&- >/dev/null";
exec( $string );
}
function zmcControl( $monitor, $restart=false )
{
if ( $monitor[Type] == "Local" )
{
$sql = "select count(if(Function='Passive',1,NULL)) as PassiveCount, count(if(Function='Active',1,NULL)) as ActiveCount, count(if(Function='X10',1,NULL)) as X10Count from Monitors where Device = '$monitor[Device]'";
$zmc_args = "-d $monitor[Device]";
}
else
{
$sql = "select count(if(Function='Passive',1,NULL)) as PassiveCount, count(if(Function='Active',1,NULL)) as ActiveCount, count(if(Function='X10',1,NULL)) as X10Count from Monitors where Host = '$monitor[Host]' and Port = '$monitor[Port]' and Path = '$monitor[Path]'";
$zmc_args = "-H $monitor[Host] -P $monitor[Port] -p '$monitor[Path]'";
}
$result = mysql_query( $sql );
if ( !$result )
echo mysql_error();
$row = mysql_fetch_assoc( $result );
$passive_count = $row[PassiveCount];
$active_count = $row[ActiveCount];
$x10_count = $row[X10Count];
if ( !$passive_count && !$active_count && !$x10_count )
{
daemonControl( "stop", "zmc", $zmc_args );
}
else
{
if ( $restart )
{
daemonControl( "stop", "zmc", $zmc_args );
}
daemonControl( "start", "zmc", $zmc_args );
}
}
function zmaControl( $monitor, $restart=false )
{
if ( !is_array( $monitor ) )
{
$sql = "select Id,Function from Monitors where Id = '$monitor'";
$result = mysql_query( $sql );
if ( !$result )
echo mysql_error();
$monitor = mysql_fetch_assoc( $result );
}
if ( $monitor['Function'] == 'Active' )
{
if ( $restart )
{
daemonControl( "stop", "zmfilter.pl", "-m $monitor[Id] -e -1" );
daemonControl( "stop", "zma", "-m $monitor[Id]" );
if ( ZM_OPT_FRAME_SERVER )
{
daemonControl( "stop", "zmf", "-m $monitor[Id]" );
}
}
if ( ZM_OPT_FRAME_SERVER )
{
daemonControl( "start", "zmf", "-m $monitor[Id]" );
}
daemonControl( "start", "zma", "-m $monitor[Id]" );
daemonControl( "start", "zmfilter.pl", "-m $monitor[Id] -e -1" );
}
else
{
daemonControl( "stop", "zmfilter.pl", "-m $monitor[Id] -e -1" );
daemonControl( "stop", "zma", "-m $monitor[Id]" );
if ( ZM_OPT_FRAME_SERVER )
{
daemonControl( "stop", "zmf", "-m $monitor[Id]" );
}
}
}
function daemonCheck( $daemon=false, $args=false )
{
$string = ZM_PATH_BIN."/zmdc.pl check";
if ( $daemon )
{
$string .= " $daemon";
if ( $args )
$string .= " $args";
}
$result = exec( $string );
return( preg_match( '/running/', $result ) );
}
function zmcCheck( $monitor )
{
if ( $monitor[Type] == 'Local' )
{
$zmc_args = "-d $monitor[Device]";
}
else
{
$zmc_args = "-H $monitor[Host] -P $monitor[Port] -p '$monitor[Path]'";
}
return( daemonCheck( "zmc", $zmc_args ) );
}
function zmaCheck( $monitor )
{
if ( is_array( $monitor ) )
{
$monitor = $monitor[Id];
}
return( daemonCheck( "zma", "-m $monitor" ) );
}
function createVideo( $event )
{
$command = ZM_PATH_BIN."/zmvideo.pl -e $event[Id]";
$result = exec( $command, $output, $status );
return( $status?"":rtrim($result) );
}
?>