411 lines
8.7 KiB
PHP
411 lines
8.7 KiB
PHP
<?php
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//
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// ZoneMinder web function library, $Date$, $Revision$
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// Copyright (C) 2003 Philip Coombes
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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//
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function userLogin( $username, $password )
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{
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global $user, $HTTP_SESSION_VARS;
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$sql = "select * from Users where Username = '$username' and Password = password('$password') and Enabled = 1";
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$result = mysql_query( $sql );
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if ( !$result )
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echo mysql_error();
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$HTTP_SESSION_VARS['username'] = $username;
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$HTTP_SESSION_VARS['password'] = $password;
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if ( $db_user = mysql_fetch_assoc( $result ) )
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{
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$HTTP_SESSION_VARS['user'] = $user = $db_user;
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}
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else
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{
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unset( $user );
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}
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session_write_close();
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}
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function userLogout()
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{
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global $user, $HTTP_SESSION_VARS;
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unset( $HTTP_SESSION_VARS['user'] );
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unset( $user );
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session_destroy();
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}
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function visibleMonitor( $mid )
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{
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global $user;
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return( empty($user['MonitorIds']) || in_array( $mid, split( ',', $user['MonitorIds'] ) ) );
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}
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function canView( $area, $mid=false )
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{
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global $user;
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return( ($user[$area] == 'View' || $user[$area] == 'Edit') && ( !$mid || visibleMonitor( $mid ) ) );
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}
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function canEdit( $area, $mid=false )
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{
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global $user;
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return( $user[$area] == 'Edit' && ( !$mid || visibleMonitor( $mid ) ) );
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}
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function deleteEvent( $eid )
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{
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global $user;
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if ( $user['Events'] == 'Edit' && $eid )
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{
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$result = mysql_query( "delete from Events where Id = '$eid'" );
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if ( !$result )
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die( mysql_error() );
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if ( !ZM_OPT_FAST_DELETE )
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{
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$result = mysql_query( "delete from Stats where EventId = '$eid'" );
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if ( !$result )
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die( mysql_error() );
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$result = mysql_query( "delete from Frames where EventId = '$eid'" );
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if ( !$result )
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die( mysql_error() );
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system( escapeshellcmd( "rm -rf ".ZM_PATH_EVENTS."/*/".sprintf( "%d", $eid ) ) );
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}
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}
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}
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function makeLink( $url, $label, $condition=1 )
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{
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$string = "";
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if ( $condition )
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{
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$string .= '<a href="'.$url.'">';
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}
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$string .= $label;
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if ( $condition )
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{
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$string .= '</a>';
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}
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return( $string );
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}
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function buildSelect( $name, $contents, $onchange="" )
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{
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if ( preg_match( "/^(\w+)\s*\[\s*['\"]?(\w+)[\"']?\s*]$/", $name, $matches ) )
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{
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$arr = $matches[1];
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$idx = $matches[2];
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global $$arr;
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$value = ${$arr}[$idx];
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}
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else
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{
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global $$name;
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$value = $$name;
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}
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ob_start();
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?>
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<select name="<?= $name ?>" class="form"<?php if ( $onchange ) { echo " onChange=\"$onchange\""; } ?>>
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<?php
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foreach ( $contents as $content_value => $content_text )
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{
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?>
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<option value="<?= $content_value ?>"<?php if ( $value == $content_value ) { echo " selected"; } ?>><?= $content_text ?></option>
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<?php
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}
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?>
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</select>
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<?php
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$html = ob_get_contents();
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ob_end_clean();
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return( $html );
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}
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function getFormChanges( $values, $new_values, $types=false )
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{
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$changes = array();
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if ( !$types )
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$types = array();
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foreach( $new_values as $key=>$value )
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{
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switch( $types[$key] )
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{
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case 'set' :
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{
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if ( is_array( $new_values[$key] ) )
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{
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if ( join(',',$new_values[$key]) != $values[$key] )
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{
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$changes[] = "$key = '".join(',',$new_values[$key])."'";
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}
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}
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elseif ( $values[$key] )
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{
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$changes[] = "$key = ''";
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}
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break;
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}
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default :
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{
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if ( $values[$key] != $value )
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{
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$changes[] = "$key = '$value'";
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}
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break;
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}
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}
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}
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return( $changes );
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}
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function getBrowser( &$browser, &$version )
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{
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global $HTTP_SERVER_VARS;
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if (ereg( 'MSIE ([0-9].[0-9]{1,2})',$HTTP_SERVER_VARS['HTTP_USER_AGENT'],$log_version))
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{
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$version = $log_version[1];
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$browser = 'ie';
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}
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elseif (ereg( 'Safari/([0-9.]+)',$HTTP_SERVER_VARS['HTTP_USER_AGENT'],$log_version))
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{
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$version = $log_version[1];
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$browser = 'safari';
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}
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elseif (ereg( 'Opera ([0-9].[0-9]{1,2})',$HTTP_SERVER_VARS['HTTP_USER_AGENT'],$log_version))
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{
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$version = $log_version[1];
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$browser = 'opera';
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}
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elseif (ereg( 'Mozilla/([0-9].[0-9]{1,2})',$HTTP_SERVER_VARS['HTTP_USER_AGENT'],$log_version))
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{
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$version = $log_version[1];
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$browser = 'mozilla';
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}
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else
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{
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$version = 0;
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$browser = 'unknown';
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}
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}
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function isNetscape()
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{
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getBrowser( $browser, $version );
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return( $browser == "mozilla" );
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}
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function canStreamNative()
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{
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return( ZM_CAN_STREAM == "yes" || ( ZM_CAN_STREAM == "auto" && isNetscape() ) );
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}
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function canStreamApplet()
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{
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return( (ZM_OPT_CAMBOZOLA && file_exists( ZM_PATH_WEB.'/'.ZM_PATH_CAMBOZOLA )) );
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}
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function canStream()
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{
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return( canStreamNative() | canStreamApplet() );
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}
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function fixDevices()
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{
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$string = ZM_PATH_BIN."/zmfix";
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$string .= " 2>/dev/null >&- <&- >/dev/null";
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exec( $string );
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}
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function packageControl( $command )
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{
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$string = ZM_PATH_BIN."/zmpkg.pl $command";
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$string .= " 2>/dev/null >&- <&- >/dev/null";
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exec( $string );
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}
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function daemonControl( $command, $daemon=false, $args=false )
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{
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$string = ZM_PATH_BIN."/zmdc.pl $command";
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if ( $daemon )
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{
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$string .= " $daemon";
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if ( $args )
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{
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$string .= " $args";
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}
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}
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$string .= " 2>/dev/null >&- <&- >/dev/null";
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exec( $string );
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}
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function zmcControl( $monitor, $restart=false )
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{
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if ( $monitor['Type'] == "Local" )
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{
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$sql = "select count(if(Function!='None',1,NULL)) as ActiveCount from Monitors where Device = '".$monitor['Device']."'";
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$zmc_args = "-d ".$monitor['Device'];
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}
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else
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{
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$sql = "select count(if(Function!='None',1,NULL)) as ActiveCount from Monitors where Id = '".$monitor['Id']."'";
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$zmc_args = "-m ".$monitor['Id'];
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}
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$result = mysql_query( $sql );
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if ( !$result )
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echo mysql_error();
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$row = mysql_fetch_assoc( $result );
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$active_count = $row['ActiveCount'];
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if ( !$active_count )
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{
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daemonControl( "stop", "zmc", $zmc_args );
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}
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else
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{
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if ( $restart )
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{
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daemonControl( "stop", "zmc", $zmc_args );
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}
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daemonControl( "start", "zmc", $zmc_args );
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}
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}
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function zmaControl( $monitor, $restart=false )
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{
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if ( !is_array( $monitor ) )
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{
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$sql = "select Id,Function,RunMode from Monitors where Id = '$monitor'";
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$result = mysql_query( $sql );
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if ( !$result )
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echo mysql_error();
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$monitor = mysql_fetch_assoc( $result );
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}
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if ( $monitor['RunMode'] == 'Triggered' )
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{
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// Don't touch anything that's triggered
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return;
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}
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switch ( $monitor['Function'] )
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{
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case 'Modect' :
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case 'Record' :
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case 'Mocord' :
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{
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if ( $restart )
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{
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daemonControl( "stop", "zma", "-m ".$monitor['Id'] );
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if ( ZM_OPT_FRAME_SERVER )
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{
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daemonControl( "stop", "zmf", "-m ".$monitor['Id'] );
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}
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}
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if ( ZM_OPT_FRAME_SERVER )
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{
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daemonControl( "start", "zmf", "-m ".$monitor['Id'] );
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}
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daemonControl( "start", "zma", "-m ".$monitor['Id'] );
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break;
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}
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default :
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{
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daemonControl( "stop", "zma", "-m ".$monitor['Id'] );
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if ( ZM_OPT_FRAME_SERVER )
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{
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daemonControl( "stop", "zmf", "-m ".$monitor['Id'] );
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}
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break;
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}
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}
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}
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function daemonCheck( $daemon=false, $args=false )
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{
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$string = ZM_PATH_BIN."/zmdc.pl check";
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if ( $daemon )
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{
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$string .= " $daemon";
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if ( $args )
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$string .= " $args";
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}
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$result = exec( $string );
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return( preg_match( '/running/', $result ) );
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}
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function zmcCheck( $monitor )
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{
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if ( $monitor['Type'] == 'Local' )
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{
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$zmc_args = "-d ".$monitor['Device'];
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}
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else
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{
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$zmc_args = "-m ".$monitor['Id'];
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}
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return( daemonCheck( "zmc", $zmc_args ) );
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}
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function zmaCheck( $monitor )
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{
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if ( is_array( $monitor ) )
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{
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$monitor = $monitor['Id'];
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}
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return( daemonCheck( "zma", "-m $monitor" ) );
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}
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function createVideo( $event, $rate, $scale, $overwrite=0 )
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{
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$command = ZM_PATH_BIN."/zmvideo.pl -e ".$event['Id']." -r ".sprintf( "%.2f", ($rate/SCALE_SCALE) )." -s ".sprintf( "%.2f", ($scale/SCALE_SCALE) );
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if ( $overwrite )
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$command .= " -o";
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$result = exec( $command, $output, $status );
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return( $status?"":rtrim($result) );
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}
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function createImage( $monitor, $scale )
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{
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if ( is_array( $monitor ) )
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{
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$monitor = $monitor['Id'];
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}
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chdir( ZM_DIR_IMAGES );
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$command = ZMU_COMMAND." -m $monitor -i";
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if ( !empty($scale) && $scale < 100 )
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$command .= " -S $scale";
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$status = exec( escapeshellcmd( $command ) );
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chdir( '..' );
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return( $status );
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}
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function reScale( $dimension, $scale=SCALE_SCALE )
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{
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if ( $scale == SCALE_SCALE )
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return( $dimension );
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return( (int)(($dimension*$scale)/SCALE_SCALE) );
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}
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?>
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