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#!/usr/bin/perl
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use strict;
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use warnings;
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use Dancer2;
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use Socket;
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use DBI;
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use File::Fetch;
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use PerlIO::gzip;
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use Data::Dumper;
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### README
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# to install needed modules on debian:
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# * apt-get install libperlio-gzip-perl libdancer2-perl libdbi-perl libdbd-sqlite3-perl
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### vars
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my $dbfile = "xtrd.db";
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my $ip2asn_csv_url = 'http://iptoasn.com/data/ip2asn-v4-u32.tsv.gz';
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set port => 12110;
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### connect to database
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my $dbh = DBI->connect("dbi:SQLite:dbname=$dbfile","","");
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$dbh->do("PRAGMA cache_size = 800000");
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### create ip2asn database & table if needed and fill with ip information
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if(create_db_table($dbh,"ip2asn","ip2asn( ip_from INTEGER, ip_to INTEGER, ip_as INTEGER)","ip2asnIndex ON ip2asn(ip_from,ip_to);"))
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{
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get_ipas_data($dbh,$ip2asn_csv_url);
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}
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### create server database & table if needed
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create_db_table($dbh,"server","server( server_ip TEXT, server_port INTEGER, server_as INTEGER, server_status INTEGER)","");
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### hook for HTTP "security"
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hook 'before' => sub {
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header 'Access-Control-Allow-Origin' => '*';
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};
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### main get route
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get '/v2/server' => sub {
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my $server = get_server($dbh,"1");
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return encode_json $server;
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};
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put '/v2/server/:ip/:port/:status' => sub {
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my $ip = route_parameters->get('ip');
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my $port = route_parameters->get('port');
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my $status = route_parameters->get('status');
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my $result = add_server($dbh,$ip,$port,$status);
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return encode_json $result;
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};
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### start the loop
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start;
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### if you reach this, you're done
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exit;
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sub add_server
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{
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my ($dbh,$ip,$port,$status) = @_;
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my $id = get_server_id($dbh,$ip,$port);
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if($id ne "0")
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{
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# update server status
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set_server_status($dbh,$id,$status);
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my $return_code = {"status" => "1"};
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return $return_code;
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}
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else
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{
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# create
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my $resolve = gethostbyname($ip);
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my $a_record = inet_ntoa($resolve);
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my $as = find_as($dbh,$a_record);
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my $add_server_cmd = "INSERT INTO server VALUES ('".$ip."','".$port."','".$as."','".$status."');";
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my $add_server_sth = $dbh->prepare($add_server_cmd);
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$add_server_sth->execute();
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my $return_code = {"status" => "1"};
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return $return_code;
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}
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}
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sub set_server_status
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{
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my ($dbh,$id,$status) = @_;
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my $set_status_cmd = "UPDATE server set server_status = '".$status."' WHERE _rowid_ = '".$id."';";
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my $set_status_sth = $dbh->prepare($set_status_cmd);
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$set_status_sth->execute();
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}
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sub get_server_id
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{
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my ($dbh,$ip,$port) = @_;
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my $get_id_cmd = "SELECT _rowid_ FROM server WHERE server_ip = '".$ip."' AND server_port = '".$port."';";
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my $get_id_sth = $dbh->prepare($get_id_cmd);
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$get_id_sth->execute();
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my $result = $get_id_sth->fetch;
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return $result->[0] || 0;
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}
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sub get_server
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{
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my ($dbh,$status) = @_;
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if($status eq "") { $status = 1; }
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my $get_server_cmd = "SELECT * FROM server WHERE server_status = '".$status."';";
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my $get_server_sth = $dbh->prepare($get_server_cmd);
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$get_server_sth->execute();
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my $result = $get_server_sth->fetchall_arrayref;;
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return $result;
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}
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sub get_ipas_data
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{
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my ($dbh,$ip2asn_csv_url) = @_;
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my $ff = File::Fetch->new(uri => $ip2asn_csv_url);
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my $temp_file = $ff->fetch( to => '/tmp' );
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open(FILE,"<:gzip",$temp_file) or die "Can't open file: $!";
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my @data = <FILE>;
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close(FILE);
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$dbh->do('begin');
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my $max_commit = 10000;
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my $inserted = 0;
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my $array_size = @data;
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my $last_p = -1;
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print "loading data...\n";
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foreach my $line (@data)
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{
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chomp($line);
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if($line=~/^(\d+)\s+(\d+)\s+(\d+)/)
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{
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if($3 eq "0") { next; }
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#my %temp_hash = ('from' => $1, 'to' => $2, 'as' => $3);
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#push(@ipaslist,\%temp_hash);
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my $insert_cmd .= "INSERT INTO ip2asn VALUES ('".$1."','".$2."','".$3."');";
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my $insert_sth = $dbh->prepare($insert_cmd);
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$inserted += $insert_sth->execute();
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# print status for console users
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my $p = int($inserted * 100 / $array_size);
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if($p != $last_p) { print $p % 10 ? "" : "$p%\n"; }
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$last_p = $p;
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# only commit every $max_commit statements (it's faster)
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unless ($inserted % $max_commit)
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{
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$dbh->do('commit');
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$dbh->do('begin');
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}
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}
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}
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$dbh->do('commit');
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unlink($temp_file);
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print "data prepared for searches!\n";
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}
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sub find_as
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{
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my ($dbh, $ip) = @_;
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my $ip_id = unpack("N", inet_aton($ip));
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my $get_as_cmd = "SELECT ip_as FROM ip2asn WHERE ip_from < '".$ip_id."' AND ip_to > '".$ip_id."';";
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my $get_as_sth = $dbh->prepare($get_as_cmd);
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$get_as_sth->execute();
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my $result = $get_as_sth->fetch;
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return $result->[0] || 0;
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}
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sub create_db_table
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{
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my ($dbh,$table,$schema,$schema_index) = @_;
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my $check_table_cmd = "SELECT name FROM sqlite_master WHERE type='table' AND name='".$table."';";
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my $check_table_sth = $dbh->prepare($check_table_cmd);
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$check_table_sth->execute();
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if(!$check_table_sth->fetch)
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{
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print "creating table '".$table."'...\n";
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my $create_table_cmd = "CREATE TABLE ".$schema;
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my $create_table_sth = $dbh->prepare($create_table_cmd);
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$create_table_sth->execute();
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if($schema_index ne "")
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{
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my $create_index_cmd = "CREATE INDEX ".$schema_index;
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my $create_index_sth = $dbh->prepare($create_index_cmd);
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$create_index_sth->execute();
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}
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return 1;
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}
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else
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{
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return 0;
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}
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}
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