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#!/bin/perl -wT
# (c) 2019 Dennis Eriksen <https://dnns.no>
use strict;
use warnings;
use CGI;
use DBI;
my $q = CGI->new; # create CGI object
# create database handler
my $dbh = DBI->connect("dbi:Pg:dbname=purl") or die $DBI::errstr;
# set the short
my $short = scalar $ENV{REQUEST_URI};
$short =~ s/^\///;
$short =~ s/^\+//; # If short starts with +, remove it.
# SQL Query
my $query = qq(SELECT shorts.url FROM shorts WHERE shorts.short = ?;);
# run the query, and do an if on it
if (my $url = $dbh->selectrow_array($query, undef, $short)) {
$query = qq(UPDATE shorts SET count = count + 1, last_visited = now() WHERE short = ?;);
my $sth = $dbh->prepare( $query );
my $rv = $sth->execute( $short ) or die $sth->errstr;
print $q->redirect($url);
}
else {
print $q->header(-status=>'404 Not found',-charset=>'utf-8');
print <<notfound
<html>
<head><title>404 Not Found</title></head>
<body>
<center><h1>404 Not Found</h1></center>
<hr><center>nginx</center>
</body>
</html>
notfound
}
# disconnect from database
$dbh->disconnect();
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