89 lines
2 KiB
Perl
89 lines
2 KiB
Perl
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use strict;
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use warnings FATAL => 'all';
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use feature qw/say/;
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use Mojolicious::Lite -signatures;
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use URI;
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use DBIx::Struct qw/connector hash_ref_slice/;
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use Data::Dumper;
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my $SITE_NAME = 'shrl.be/';
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my $db_file = 'shrl.db';
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DBIx::Struct::connect(sprintf('dbi:SQLite:dbname=%s', $db_file),"","");
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# Render template "index.html.ep" from the DATA section
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get '/' => sub ($c) {
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$c->render(template => 'index', page_data => {});
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};
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post '/' => sub ($c) {
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my $url = normalize_source_url($c->param('url'));
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my $shorten_path = write_url($url);
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my $shorten_url = $SITE_NAME.$shorten_path;
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$c->render(template => 'index', page_data => { url => $url, shorten_url => $shorten_url});
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};
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get '/:shorten_path' => sub ($c) {
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my $path = $c->param('shorten_path');
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my $url = get_url($path);
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if ($url) {
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$c->res->code(307);
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$c->redirect_to($url);
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} else {
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$c->render(status => 404, text => 'Page not found :(');
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}
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};
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app->start;
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sub rand_str() {
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my @set = ('0' ..'9', 'A' .. 'z', 'a'..'z');
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my $str = join '' => map $set[rand @set], 1 .. 8;
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return $str;
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}
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sub normalize_source_url($source_url) {
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my $uri = URI->new($source_url);
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$uri = URI->new('http://'.$source_url) if !$uri->scheme;
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return $uri->as_string;
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}
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sub write_url($source_url) {
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my $shorten_path;
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eval {
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my $short_row = one_row('urls',{ source_url => $source_url});
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if (!$short_row) {
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$shorten_path = rand_str();
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new_row('urls' =>
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source_url => $source_url,
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shorten_path => $shorten_path,
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);
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} else {
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$shorten_path = $short_row->shorten_path;
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}
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};
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if ($@) { #may fall with deep recursion if no free names available
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if ($@ =~ /urls.shorten_path inserting /) {
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&write_url($source_url);
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}
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die $@;
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}
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return $shorten_path;
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}
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sub get_url($shorten_path) {
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my $row = one_row('urls', { shorten_path => $shorten_path});
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return $row->source_url if($row);
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return;
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}
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