#!/usr/bin/perl
#
# agi-VICIrecGateway.agi version 2.14
# 
# Designed to work on a stand-alone Asterisk server and record calls in stereo
#
# You need to put a line similar to this below in your extensions.conf file in
# the context for where incoming calls go from your trunks (for example, the
# trunkinbound context which is present in the default dialplan):
#
#[handler]
#exten => addheader,1,Set(PJSIP_HEADER(add,X-VICIrecGatewayID)=${VICIrecGatewayID})
#exten => addheader,n,Return()
#
#[stereo-rec-inbound] 
#exten => _X.,1,Progress() 
#exten => _X.,n,Noop(${CALLERID(num)}) 
#exten => _X.,n,AGI(agi-VICIrecGateway.agi) 
#exten => _X.,n,Noop(${CARRIER_FILENAME}) 
#exten => _X.,n,Noop(${DIALER_FILENAME}) 
#exten => _X.,n,MixMonitor(,r(${CARRIER_FILENAME})t(${DIALER_FILENAME})S) 
#exten => _X.,n,Dial(PJSIP/${EXTEN}@pjdial147,,Tob(handler^addheader^1))
#
#[stereo-rec-outbound] 
#exten => _X.,1,Progress() 
#exten => _X.,n,Noop(${CALLERID(num)}) 
#exten => _X.,n,AGI(agi-VICIrecGateway.agi) 
#exten => _X.,n,Noop(${CARRIER_FILENAME}) 
#exten => _X.,n,Noop(${DIALER_FILENAME}) 
#exten => _X.,n,MixMonitor(,t(${CARRIER_FILENAME})r(${DIALER_FILENAME})S) 
#exten => _X.,n,Dial(PJSIP/${EXTEN}@pjsgw1,,To)  
#
# Copyright (C) 2023  Matt Florell <vicidial@gmail.com>    LICENSE: AGPLv2
#
# changes:
# 230125-2212 - First Build
#


$script = 'agi-VICIrecGateway.agi';
$US='_';
$dialer_id='';
$call_direction = 'INBOUND';
$lead_id=0;
$insert_gateway_id='';
$DBX=0;		# set to 1 for extra debugging output

($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime(time);
$year = ($year + 1900);
$mon++;
if ($mon < 10) {$mon = "0$mon";}
if ($mday < 10) {$mday = "0$mday";}
if ($hour < 10) {$hour = "0$hour";}
if ($min < 10) {$min = "0$min";}
if ($sec < 10) {$sec = "0$sec";}

$hm = "$hour$min";
$hm = ($hm + 0);

$now_date_epoch = time();
$now_date = "$year-$mon-$mday $hour:$min:$sec";
$CLInow_date = "$year-$mon-$mday\\ $hour:$min:$sec";
$start_time=$now_date;
$CIDdate = "$mon$mday$hour$min$sec";
$tsSQLdate = "$year$mon$mday$hour$min$sec";
$SQLdate = "$year-$mon-$mday $hour:$min:$sec";
$SQLdateBEGIN = $SQLdate;
	while (length($CIDdate) > 9) {$CIDdate =~ s/^.//gi;} # 0902235959 changed to 902235959

# default path to astguiclient configuration file:
$PATHconf =		'/etc/astguiclient.conf';

open(conf, "$PATHconf") || die "can't open $PATHconf: $!\n";
@conf = <conf>;
close(conf);
$i=0;
foreach(@conf)
	{
	$line = $conf[$i];
	$line =~ s/ |>|\n|\r|\t|\#.*|;.*//gi;
	if ( ($line =~ /^PATHhome/) && ($CLIhome < 1) )
		{$PATHhome = $line;   $PATHhome =~ s/.*=//gi;}
	if ( ($line =~ /^PATHlogs/) && ($CLIlogs < 1) )
		{$PATHlogs = $line;   $PATHlogs =~ s/.*=//gi;}
	if ( ($line =~ /^PATHagi/) && ($CLIagi < 1) )
		{$PATHagi = $line;   $PATHagi =~ s/.*=//gi;}
	if ( ($line =~ /^PATHweb/) && ($CLIweb < 1) )
		{$PATHweb = $line;   $PATHweb =~ s/.*=//gi;}
	if ( ($line =~ /^PATHsounds/) && ($CLIsounds < 1) )
		{$PATHsounds = $line;   $PATHsounds =~ s/.*=//gi;}
	if ( ($line =~ /^PATHmonitor/) && ($CLImonitor < 1) )
		{$PATHmonitor = $line;   $PATHmonitor =~ s/.*=//gi;}
	if ( ($line =~ /^VARserver_ip/) && ($CLIserver_ip < 1) )
		{$VARserver_ip = $line;   $VARserver_ip =~ s/.*=//gi;}
	if ( ($line =~ /^VARDB_server/) && ($CLIDB_server < 1) )
		{$VARDB_server = $line;   $VARDB_server =~ s/.*=//gi;}
	if ( ($line =~ /^VARDB_database/) && ($CLIDB_database < 1) )
		{$VARDB_database = $line;   $VARDB_database =~ s/.*=//gi;}
	if ( ($line =~ /^VARDB_user/) && ($CLIDB_user < 1) )
		{$VARDB_user = $line;   $VARDB_user =~ s/.*=//gi;}
	if ( ($line =~ /^VARDB_pass/) && ($CLIDB_pass < 1) )
		{$VARDB_pass = $line;   $VARDB_pass =~ s/.*=//gi;}
	if ( ($line =~ /^VARDB_port/) && ($CLIDB_port < 1) )
		{$VARDB_port = $line;   $VARDB_port =~ s/.*=//gi;}
	$i++;
	}

if (!$VARDB_port) {$VARDB_port='3306';}
if (!$AGILOGfile) {$AGILOGfile = "$PATHlogs/agiout.$year-$mon-$mday";}
if (!$DIDLOGfile) {$DIDLOGfile = "$PATHlogs/didin.$year-$mon-$mday";}

use DBI;
use Time::HiRes ('gettimeofday','usleep','sleep');  # necessary to have perl sleep command of less than one second
use Asterisk::AGI;
$AGI = new Asterisk::AGI;

$dbhA = DBI->connect("DBI:mysql:$VARDB_database:$VARDB_server:$VARDB_port", "$VARDB_user", "$VARDB_pass")
    or die "Couldn't connect to database: " . DBI->errstr;

### Grab Server values from the database
$stmtA = "SELECT agi_output,local_gmt,asterisk_version FROM servers where server_ip = '$VARserver_ip';";
$sthA = $dbhA->prepare($stmtA) or die "preparing: ",$dbhA->errstr;
$sthA->execute or die "executing: $stmtA ", $dbhA->errstr;
$sthArows=$sthA->rows;
if ($sthArows > 0)
	{
	$AGILOG = '0';
	@aryA = $sthA->fetchrow_array;
	$DBagi_output =		$aryA[0];
	$local_gmt =		$aryA[1];
	$asterisk_version = $aryA[2];
	if ($DBagi_output =~ /STDERR/)	{$AGILOG = '1';}
	if ($DBagi_output =~ /FILE/)	{$AGILOG = '2';}
	if ($DBagi_output =~ /BOTH/)	{$AGILOG = '3';}
	}
$sthA->finish();

#############################################
##### START SYSTEM SETTINGS LOOKUP      #####
$stmtA = "SELECT enable_queuemetrics_logging,queuemetrics_server_ip,queuemetrics_dbname,queuemetrics_login,queuemetrics_pass,queuemetrics_log_id,queuemetrics_eq_prepend,did_agent_log,alt_log_server_ip,alt_log_dbname,alt_log_login,alt_log_pass,tables_use_alt_log_db,did_system_filter,inbound_answer_config FROM system_settings;";
$sthA = $dbhA->prepare($stmtA) or die "preparing: ",$dbhA->errstr;
$sthA->execute or die "executing: $stmtA ", $dbhA->errstr;
$sthArows=$sthA->rows;
if ($sthArows > 0)
	{
	@aryA = $sthA->fetchrow_array;
	$enable_queuemetrics_logging =	$aryA[0];
	$queuemetrics_server_ip	=		$aryA[1];
	$queuemetrics_dbname =			$aryA[2];
	$queuemetrics_login=			$aryA[3];
	$queuemetrics_pass =			$aryA[4];
	$queuemetrics_log_id =			$aryA[5];
	$queuemetrics_eq_prepend =		$aryA[6];
	$did_agent_log =				$aryA[7];
	$alt_log_server_ip =			$aryA[8];
	$alt_log_dbname =				$aryA[9];
	$alt_log_login =				$aryA[10];
	$alt_log_pass =					$aryA[11];
	$tables_use_alt_log_db =		$aryA[12];
	$SSdid_system_filter =			$aryA[13];
	$SSinbound_answer_config =		$aryA[14];
	}
$sthA->finish();
##### END SYSTEM SETTINGS LOOKUP      #####
###########################################


$|=1;
while(<STDIN>) 
	{
	chomp;
	last unless length($_);
	if ($AGILOG)
		{
		if (/^agi_(\w+)\:\s+(.*)$/)
			{
			$AGI{$1} = $2;
			}
		}

	if (/^agi_uniqueid\:\s+(.*)$/)		{$unique_id = $1; $uniqueid = $unique_id;}
	if (/^agi_channel\:\s+(.*)$/)		{$channel = $1;}
	if (/^agi_extension\:\s+(.*)$/)		{$extension = $1;}
	if (/^agi_type\:\s+(.*)$/)			{$type = $1;}
	if (/^agi_callerid\:\s+(.*)$/)		{$callerid = $1;}
	if (/^agi_calleridname\:\s+(.*)$/)	{$calleridname = $1;}
	}

if ($calleridname =~ /^V\d\d\d\d\d\d\d\d\d\d\d\d\d\d\d\d\d\d\d|^Y\d\d\d\d\d\d\d\d\d\d\d\d\d\d\d\d\d\d\d|^M\d\d\d\d\d\d\d\d\d\d\d\d\d\d\d\d\d\d\d|^DC\d\d\d\d\d\dW\d\d\d\d\d\d\d\d\d\dW/)
	{
	$dialer_id = $calleridname;
	$call_direction = 'OUTBOUND';
	if ($calleridname =~ /^V\d\d\d\d\d\d\d\d\d\d\d\d\d\d\d\d\d\d\d|^Y\d\d\d\d\d\d\d\d\d\d\d\d\d\d\d\d\d\d\d|^M\d\d\d\d\d\d\d\d\d\d\d\d\d\d\d\d\d\d\d/)
		{
		$lead_id = substr($calleridname, 10, 10);
		$lead_id = ($lead_id + 0);
		}
	if ($calleridname =~ /^DC\d\d\d\d\d\dW\d\d\d\d\d\d\d\d\d\dW/)
		{
		$lead_id = substr($calleridname, 9, 10);
		$lead_id = ($lead_id + 0);
		}
	}

if ( ($callerid =~ /\".*\"/) && ( (!$calleridname) or ($calleridname =~ /unknown/) ) )
	{
	$calleridname = $callerid;
	$calleridname =~ s/\<\d\d\d\d\d\d\d\d\d\d\>//gi;
	$calleridname =~ s/\"|\" //gi;
	}

$callerid =~ s/\D|\'//gi;
$calleridname =~ s/unknown|\'//gi;
if ( (!$callerid) or ($callerid =~ /unknown/) )
	{$callerid = $calleridname;}

$callerid =~ s/\'|\"|\\\\|\\\|\\|\\;|\\\;|\;|;//gi;
$calleridname =~ s/\'|\"|\\\\|\\\|\\|\\;|\\\;|\;|;//gi;
$extension =~ s/\'|\"|\\\\|\\\|\\|\\;|\\\;|\;|;//gi;

### Log the call to gateway_recording_log
$stmtA = "INSERT INTO gateway_recording_log SET call_direction='$call_direction',call_id='$dialer_id',lead_id='$lead_id',uniqueid='$uniqueid',server_ip='$VARserver_ip',caller_id_number='$callerid',caller_id_name='$calleridname',extension='$extension',start_time=NOW();";
	if ($AGILOG) {$agi_string = "|$stmtA|";   &agi_output;}
$affected_rowsG = $dbhA->do($stmtA);
if ($AGILOG) {$agi_string = "--    gateway_recording_log LOG INSERT: |$affected_rowsG|$stmtA|";   &agi_output;}

$stmtB = "SELECT LAST_INSERT_ID() LIMIT 1;";
$sthA = $dbhA->prepare($stmtB) or die "preparing: ",$dbhA->errstr;
$sthA->execute or die "executing: $stmtA ", $dbhA->errstr;
$sthArows=$sthA->rows;
if ($sthArows > 0)
	{
	@aryA = $sthA->fetchrow_array;
	$insert_gateway_id = $aryA[0];
	if ($AGILOG) {$agi_string = "--    gateway_id: |$insert_gateway_id|";   &agi_output;}
	}
$sthA->finish();

$PADgateway_id = sprintf("%010s", $insert_gateway_id);	while (length($PADgateway_id) > 10) {chop($PADgateway_id);}
$gatewayCID = "G$CIDdate$PADgateway_id";

$dialer_idSQL='';
if (length($dialer_id) < 1) 
	{
	$dialer_id = $gatewayCID;
	$dialer_idSQL = ",call_id='$gatewayCID'";
	}

$AGI->set_variable('_VICIrecGatewayID',"$gatewayCID");
if ($AGILOG) {$agi_string = "--    setting gateway channel variable: |VICIrecGatewayID|$gatewayCID|";   &agi_output;}


$record_call='Y';
### if set to record this call, start recording ###
if ($record_call =~ /Y/)
	{
	$insert_recording_id='';
	$filename = "$tsSQLdate$US$extension$US$callerid";
	### code to record call goes here ###

	### set variables for audio files to be used by MixMonitor application
	$AGI->set_variable('CARRIER_FILENAME', "STEREO/CARRIER_$dialer_id$US$tsSQLdate.wav");
	$AGI->set_variable('DIALER_FILENAME', "STEREO/DIALER_$dialer_id$US$tsSQLdate.wav");

#	%ast_ver_str = parse_asterisk_version($asterisk_version);
#	if (( $ast_ver_str{major} = 1 ) && ($ast_ver_str{minor} < 6))
#		{
#		$AGI->exec("Monitor wav|/var/spool/asterisk/monitor/MIX/$filename");
#		}
#	else
#		{
#		$AGI->exec("Monitor","wav,/var/spool/asterisk/monitor/MIX/$filename"); 
#		}

	### insert record into recording_log table ###
	$stmtA = "INSERT INTO recording_log (channel,server_ip,extension,start_time,start_epoch,length_in_sec,filename,lead_id,user,location,vicidial_id) values('$channel','$VARserver_ip','$dialer_id','$SQLdate','$now_date_epoch','0','$dialer_id$US$tsSQLdate','$lead_id','GATEWAY','$dialer_id$US$tsSQLdate','G$insert_gateway_id');";
	$affected_rowsR = $dbhA->do($stmtA);
	if ($affected_rowsR > 0)
		{
		$stmtB = "select LAST_INSERT_ID() LIMIT 1;";
		$sthA = $dbhA->prepare($stmtB) or die "preparing: ",$dbhA->errstr;
		$sthA->execute or die "executing: $stmtA ", $dbhA->errstr;
		$sthArows=$sthA->rows;
		if ($sthArows > 0)
			{
			@aryA = $sthA->fetchrow_array;
			$insert_recording_id = $aryA[0];
			}
		$sthA->finish();
		}

	if ($AGILOG) {$did_string = "--    RECORDING LOG : |$affected_rowsR|$insert_recording_id|$stmtA|";   &did_output;}

	### update gateway_recording_log
	$stmtA = "UPDATE gateway_recording_log SET recording_log_id='$insert_recording_id',filename='$dialer_id$US$tsSQLdate' $dialer_idSQL where gateway_recording_id='$insert_gateway_id';";
		if ($AGILOG) {$agi_string = "|$stmtA|";   &agi_output;}
	$affected_rowsG = $dbhA->do($stmtA);
	if ($AGILOG) {$agi_string = "--    gateway_recording_log LOG UPDATE: |$affected_rowsG|$stmtA|";   &agi_output;}
	}





######### SUBROUTINES #################

sub checkresult 
	{
	$pass=0;   $fail=0;
	my ($res) = @_;
	my $retval;
	$tests++;
	chomp $res;
	if ($res =~ /^200/) 
		{
		$res =~ /result=(-?\d+)/;
		if (!length($1)) 
			{
		#	print STDERR "FAIL ($res)\n";
			$fail++;
			} 
		else 
			{
		#	print STDERR "PASS ($1)\n";
			$pass++;
			}
		} 
	else 
		{
	#	print STDERR "FAIL (unexpected result '$res')\n";
		$fail++;
		}
	}

sub leading_zero($) 
	{
    $_ = $_[0];
    s/^(\d)$/0$1/;
    s/^(\d\d)$/0$1/;
    return $_;
	} # End of the leading_zero() routine.

sub agi_output
	{
	if ($AGILOG >=2)
		{
		### open the log file for writing ###
		open(Lout, ">>$AGILOGfile")
				|| die "Can't open $AGILOGfile: $!\n";
		print Lout "$now_date|$script|$agi_string\n";
		close(Lout);
		}
		### send to STDERR writing ###
	if ( ($AGILOG == '1') || ($AGILOG == '3') )
		{print STDERR "$now_date|$script|$agi_string\n";}
	$agi_string='';
	}

sub did_output
	{
	if ($AGILOG >=2)
		{
		### open the log file for writing ###
		open(Dout, ">>$DIDLOGfile")
				|| die "Can't open $DIDLOGfile: $!\n";
		print Dout "$did_string\n";
		close(Dout);
		}
	$did_string='';
	}

# subroutine to parse the asterisk version
# and return a hash with the various part
sub parse_asterisk_version
	{
	# grab the arguments
	my $ast_ver_str = $_[0];

	# get everything after the - and put it in $ast_ver_postfix
	my @hyphen_parts = split( /-/ , $ast_ver_str );

	my $ast_ver_postfix = $hyphen_parts[1];

	# now split everything before the - up by the .
	my @dot_parts = split( /\./ , $hyphen_parts[0] );

	my %ast_ver_hash;

	if ( $dot_parts[0] <= 1 )
		{
			%ast_ver_hash = (
				"major" => $dot_parts[0],
				"minor" => $dot_parts[1],
				"build" => $dot_parts[2],
				"revision" => $dot_parts[3],
				"postfix" => $ast_ver_postfix
			);
		}

	# digium dropped the 1 from asterisk 10 but we still need it
	if ( $dot_parts[0] > 1 )
		{
			%ast_ver_hash = (
				"major" => 1,
				"minor" => $dot_parts[0],
				"build" => $dot_parts[1],
				"revision" => $dot_parts[2],
				"postfix" => $ast_ver_postfix
			);
		}

	return ( %ast_ver_hash );
	}