zoneminder/web/includes/Filter.php

247 lines
7.6 KiB
PHP

<?php
namespace ZM;
class Filter {
public $defaults = array(
'Id' => null,
'Name' => '',
'AutoExecute' => 0,
'AutoExecuteCmd' => 0,
'AutoEmail' => 0,
'AutoDelete' => 0,
'AutoArchive' => 0,
'AutoVideo' => 0,
'AutoUpload' => 0,
'AutoMessage' => 0,
'AutoMove' => 0,
'AutoMoveTo' => 0,
'UpdateDiskSpace' => 0,
'Background' => 0,
'Concurrent' => 0,
'limit' => 100,
'Query' => array(),
'sort_field' => ZM_WEB_EVENT_SORT_FIELD,
'sort_asc' => ZM_WEB_EVENT_SORT_ORDER,
);
public function __construct( $IdOrRow=NULL ) {
$row = NULL;
if ( $IdOrRow ) {
if ( is_integer($IdOrRow) or is_numeric($IdOrRow) ) {
$row = dbFetchOne('SELECT * FROM Filters WHERE Id=?', NULL, array($IdOrRow));
if ( ! $row ) {
Error('Unable to load Filter record for Id=' . $IdOrRow);
}
} elseif ( is_array($IdOrRow) ) {
$row = $IdOrRow;
} else {
$backTrace = debug_backtrace();
$file = $backTrace[1]['file'];
$line = $backTrace[1]['line'];
Error("Unknown argument passed to Filter Constructor from $file:$line)");
Error("Unknown argument passed to Filter Constructor ($IdOrRow)");
return;
}
} # end if isset($IdOrRow)
if ( $row ) {
foreach ($row as $k => $v) {
$this->{$k} = $v;
}
if ( array_key_exists('Query', $this) and $this->{'Query'} ) {
$this->{'Query'} = jsonDecode($this->{'Query'});
} else {
$this->{'Query'} = array();
}
}
} // end function __construct
public function __call( $fn, array $args ) {
if ( count( $args ) ) {
$this->{$fn} = $args[0];
}
if ( array_key_exists( $fn, $this ) ) {
return $this->{$fn};
} else if ( array_key_exists( $fn, $this->defaults ) ) {
$this->{$fn} = $this->defaults{$fn};
return $this->{$fn};
} else {
$backTrace = debug_backtrace();
$file = $backTrace[1]['file'];
$line = $backTrace[1]['line'];
Warning( "Unknown function call Filter->$fn from $file:$line" );
}
}
public function terms( ) {
if ( func_num_args( ) ) {
$this->Query()['terms'] = func_get_arg(0);
}
if ( isset( $this->Query()['terms'] ) ) {
return $this->Query()['terms'];
}
return array();
}
// The following three fields are actually stored in the Query
public function sort_field( ) {
if ( func_num_args( ) ) {
$this->Query()['sort_field'] = func_get_arg(0);
}
if ( isset( $this->Query()['sort_field'] ) ) {
return $this->{'Query'}['sort_field'];
}
return $this->defaults{'sort_field'};
}
public function sort_asc( ) {
if ( func_num_args( ) ) {
$this->{'Query'}['sort_asc'] = func_get_arg(0);
}
if ( isset( $this->Query()['sort_asc'] ) ) {
return $this->{'Query'}['sort_asc'];
}
return $this->defaults{'sort_asc'};
}
public function limit( ) {
if ( func_num_args( ) ) {
$this->{'Query'}['limit'] = func_get_arg(0);
}
if ( isset( $this->Query()['limit'] ) )
return $this->{'Query'}['limit'];
return $this->defaults{'limit'};
}
public static function find( $parameters = null, $options = null ) {
$filters = array();
$sql = 'SELECT * FROM Filters ';
$values = array();
if ( $parameters ) {
$fields = array();
$sql .= 'WHERE ';
foreach ( $parameters as $field => $value ) {
if ( $value == null ) {
$fields[] = $field.' IS NULL';
} else if ( is_array( $value ) ) {
$func = function(){return '?';};
$fields[] = $field.' IN ('.implode(',', array_map($func, $value)). ')';
$values += $value;
} else {
$fields[] = $field.'=?';
$values[] = $value;
}
}
$sql .= implode(' AND ', $fields);
}
if ( $options ) {
if ( isset($options['order']) ) {
$sql .= ' ORDER BY ' . $options['order'];
}
if ( isset($options['limit']) ) {
if ( is_integer($options['limit']) or ctype_digit($options['limit']) ) {
$sql .= ' LIMIT ' . $options['limit'];
} else {
$backTrace = debug_backtrace();
$file = $backTrace[1]['file'];
$line = $backTrace[1]['line'];
Error("Invalid value for limit(".$options['limit'].") passed to Filter::find from $file:$line");
return array();
}
}
}
$result = dbQuery($sql, $values);
$results = $result->fetchALL(PDO::FETCH_CLASS | PDO::FETCH_PROPS_LATE, 'Filter');
foreach ( $results as $row => $obj ) {
$filters[] = $obj;
}
return $filters;
} # end find()
public static function find_one( $parameters = array() ) {
$results = Filter::find($parameters, array('limit'=>1));
if ( ! sizeof($results) ) {
return;
}
return $results[0];
} # end find_one()
public function delete() {
dbQuery('DELETE FROM Filters WHERE Id=?', array($this->{'Id'}));
} # end function delete()
public function set( $data ) {
foreach ($data as $k => $v) {
if ( is_array( $v ) ) {
$this->{$k} = $v;
} else if ( is_string( $v ) ) {
$this->{$k} = trim( $v );
} else if ( is_integer( $v ) ) {
$this->{$k} = $v;
} else if ( is_bool( $v ) ) {
$this->{$k} = $v;
} else {
Error( "Unknown type $k => $v of var " . gettype( $v ) );
$this->{$k} = $v;
}
}
} # end function set
public function control($command, $server_id=null) {
$Servers = $server_id ? Server::find(array('Id'=>$server_id)) : Server::find();
if ( !count($Servers) and !$server_id ) {
# This will be the non-multi-server case
$Servers = array(new Server());
}
foreach ( $Servers as $Server ) {
if ( !defined('ZM_SERVER_ID') or !$Server->Id() or ZM_SERVER_ID==$Server->Id() ) {
# Local
Logger::Debug("Controlling filter locally $command for server ".$Server->Id());
daemonControl($command, 'zmfilter.pl', '--filter_id='.$this->{'Id'});
} else {
# Remote case
$url = $Server->UrlToIndex();
if ( ZM_OPT_USE_AUTH ) {
if ( ZM_AUTH_RELAY == 'hashed' ) {
$url .= '?auth='.generateAuthHash(ZM_AUTH_HASH_IPS);
} else if ( ZM_AUTH_RELAY == 'plain' ) {
$url = '?user='.$_SESSION['username'];
$url = '?pass='.$_SESSION['password'];
} else if ( ZM_AUTH_RELAY == 'none' ) {
$url = '?user='.$_SESSION['username'];
}
}
$url .= '&view=filter&action=control&command='.$command.'&Id='.$this->Id().'&ServerId'.$Server->Id();
Logger::Debug("sending command to $url");
$data = array();
if ( defined('ZM_ENABLE_CSRF_MAGIC') )
$data['__csrf_magic'] = csrf_get_secret();
// use key 'http' even if you send the request to https://...
$options = array(
'http' => array(
'header' => "Content-type: application/x-www-form-urlencoded\r\n",
'method' => 'POST',
'content' => http_build_query($data)
)
);
$context = stream_context_create($options);
try {
$result = file_get_contents($url, false, $context);
if ( $result === FALSE ) { /* Handle error */
Error("Error restarting zmfilter.pl using $url");
}
} catch ( Exception $e ) {
Error("Except $e thrown trying to restart zmfilter");
}
} # end if local or remote
} # end foreach erver
} # end function control
} # end class Filter
?>