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|
<% objToJson($return) %>
<%init>
my $DEBUG = 0;
my $url='http://www.ffiec.gov/Geocode/default.aspx';
my $sub = $cgi->param('sub');
my $return = {};
my $error = '';
use LWP::UserAgent;
use HTTP::Request;
use HTTP::Request::Common qw( GET POST );
use HTML::TokeParser;
if ( $sub eq 'censustract' ) {
my %arg = $cgi->param('arg');
warn join('', map "$_: $arg{$_}\n", keys %arg )
if $DEBUG;
my $ua = new LWP::UserAgent;
my $res = $ua->request( GET( $url ) );
warn $res->as_string
if $DEBUG > 1;
unless ($res->code eq '200') {
$error = $res->message;
} else {
my $content = $res->content;
my $p = new HTML::TokeParser \$content;
my $viewstate;
my $eventvalidation;
while (my $token = $p->get_tag('input') ) {
if ($token->[1]->{name} eq '__VIEWSTATE') {
$viewstate = $token->[1]->{value};
}
if ($token->[1]->{name} eq '__EVENTVALIDATION') {
$eventvalidation = $token->[1]->{value};
}
last if $viewstate && $eventvalidation;
}
unless ($viewstate && $eventvalidation ) {
$error = "either no __VIEWSTATE or __EVENTVALIDATION found";
} else {
my($zip5, $zip4) = split('-',$arg{zip});
#ugh workaround a mess at ffiec
$arg{year} = " $arg{year}" unless $arg{year} = "2010";
my @ffiec_args = (
__VIEWSTATE => $viewstate,
__EVENTVALIDATION => $eventvalidation,
ddlbYear => $arg{year},
ddlbYear => ' 2009',
txtAddress => $arg{address},
txtCity => $arg{city},
ddlbState => $arg{state},
txtZipCode => $zip5,
btnSearch => 'Search',
);
warn join("\n", @ffiec_args )
if $DEBUG;
push @{ $ua->requests_redirectable }, 'POST';
$res = $ua->request( POST( $url, \@ffiec_args ) );
warn $res->as_string
if $DEBUG > 1;
unless ($res->code eq '200') {
$error = $res->message;
} else {
my @id = qw( MSACode StateCode CountyCode TractCode );
$content = $res->content;
warn $res->content if $DEBUG > 1;
$p = new HTML::TokeParser \$content;
my $prefix = 'UcGeoResult11_lb';
my $compare =
sub { my $t=shift; scalar( grep { lc($t) eq lc("$prefix$_")} @id ) };
while (my $token = $p->get_tag('span') ) {
next unless ( $token->[1]->{id} && &$compare( $token->[1]->{id} ) );
$token->[1]->{id} =~ /^$prefix(\w+)$/;
$return->{lc($1)} = $p->get_trimmed_text("/span");
}
$error = "No census tract found" unless $return->{tractcode};
$return->{tractcode} .= ' '
unless $error || $JSON::VERSION >= 2; #broken JSON 1 workaround
} #unless ($res->code eq '200')
} #unless ($viewstate)
} #unless ($res->code eq '200')
$error = "FFIEC Geocoding error: $error" if $error;
$return->{'error'} = $error;
$return;
}
</%init>
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