Initial commit
This commit is contained in:
Denis Fedoseev
commit
234c3bfbd5
3 changed files with 169 additions and 0 deletions
BIN
public/icons/copy2.png
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BIN
public/icons/copy2.png
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88
shrlbe.pl
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88
shrlbe.pl
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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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81
templates/index.html.ep
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81
templates/index.html.ep
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<!DOCTYPE HTML>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<style type="text/css" media="screen">
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.content {
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width: 100%
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}
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.shorten_form {
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width: 50%;
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margin: 0 auto;
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}
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.title {
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width: 50%;
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margin: 0 auto;
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padding-bottom: 10px;
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}
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.url_data {
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width: 50%;
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margin: 0 auto;
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}
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button.copy_short_url {
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width: 32px;
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height:32px;
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padding: 0px;
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margin: 0;
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margin-left: 10px;
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}
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button.copy_short_url > img {
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display: block;
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width: 28px;
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height: 28px;
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padding: 0px;
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margin: 0;
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margin-left: -6px;
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margin-top: -4px;
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}
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textarea.short_url_text {
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width: 300px;
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height: 32px;
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}
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</style>
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</head>
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<body>
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<div class=content>
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<div class=title>
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URL Shortener
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</div>
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<div class=shorten_form>
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<form method=post>
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<input type=text name=url>
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<input type=submit value=short!>
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</form>
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</div>
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<% if (exists($page_data->{'url'})) { %>
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<div class=url_data>
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<p>source url: <a href='<%== $page_data->{'url'} %>'><%= $page_data->{'url'} %></a></p>
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<p><textarea autofocus class=short_url_text><%= $page_data->{'shorten_url'} %></textarea><button class="copy_short_url"><img src="/icons/copy2.png"></button></p>
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</div>
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<% } %>
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</div>
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</body>
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<script>
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var copyTextareaBtn = document.querySelector('.copy_short_url');
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copyTextareaBtn.addEventListener('click', function(event) {
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var copyTextarea = document.querySelector('.short_url_text');
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copyTextarea.focus();
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copyTextarea.select();
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try {
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var successful = document.execCommand('copy');
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var msg = successful ? 'successful' : 'unsuccessful';
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console.log('Copying text command was ' + msg);
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} catch (err) {
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console.log('Oops, unable to copy');
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}
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});
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</script>
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</html>
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