use 5.014000;
use strict;
-use warnings;
-use parent qw/Plack::Component/;
-no if $] >= 5.017011, warnings => 'experimental::smartmatch';
our $VERSION = '5999.000_001';
+use CSS::Minifier::XS;
+use Encode qw/encode decode/;
use File::Slurp qw/read_file/;
-use HTTP::Negotiate qw/choose/;
-use Plack::Request;
-use Gruntmaster::Page::Log;
-use Gruntmaster::Page::Pb::Entry;
-use Gruntmaster::Page::Generic;
-
-my %handlers;
-
-sub call {
- my $env = $_[1];
- my $r = Plack::Request->new($env);
- my @handlers = @{ $handlers{$r->method} // [] };
- for my $handler (@handlers) {
- my ($re, $obj) = @$handler;
- my @args;
- next unless @args = $r->path =~ m/^$re$/a;
- my $format = choose $obj->variants, $r->headers;
- return $obj->generate($format, $env, map { $_ // '' } @args);
- }
+use JavaScript::Minifier::XS;
+use JSON::MaybeXS qw/encode_json/;
+use PerlX::Maybe;
+use Scope::Upper qw/unwind SUB UP/;
+use Web::Simple;
- if ($r->method eq 'GET' || $r->method eq 'HEAD') {
- my $article = $r->path eq '/' ? '/index' : $r->path;
- $article = substr $article, 1;
- $article =~ tr,/,_,;
- my @variants = grep { !/\.title$/ } <a/$article.*>;
- if (@variants) {
- my $lang = choose [ map { [$_, 1, 'text/html', undef, undef, $_, undef] } map { /\.(.+)$/ } @variants ], $r->headers;
- my $content = read_file "a/$article.$lang";
- my $title = read_file "a/$article.$lang.title";
- my $html = Gruntmaster::Page::Base::header($lang, $title) . $content . Gruntmaster::Page::Base::footer($lang);
- return [200, ['Content-Type' => 'text/html', 'Content-Language' => $lang, 'Vary' => 'Accept-Language', 'X-Forever' => 1, 'Cache-Control' => 'max-age=300'], [$html] ]
- }
- }
+use Gruntmaster::Data;
+use Plack::App::Gruntmaster::HTML;
+
+use warnings NONFATAL => 'all';
+no warnings 'illegalproto';
+no if $] >= 5.017011, warnings => 'experimental::smartmatch';
+
+##################################################
+
+use constant USER_REGEX => qr/^\w{2,20}$/a;
+
+use constant CONTENT_TYPES => +{
+ c => 'text/x-csrc',
+ cpp => 'text/x-c++src',
+ cs => 'text/x-csharp', # Used by GNOME. Not in mime.types.
+ go => 'text/plain', # ?
+ hs => 'text/x-haskell',
+ java => 'text/x-java',
+ pas => 'text/x-pascal',
+ pl => 'text/x-perl',
+ py => 'text/x-python',
+};
+
+use constant FORMAT_EXTENSION => {
+ C => 'c',
+ CPP => 'cpp',
+ GCCGO => 'go',
+ GOLANG => 'go',
+ HASKELL => 'hs',
+ MONO => 'cs',
+ JAVA => 'java',
+ PASCAL => 'pas',
+ PERL => 'pl',
+ PYTHON => 'py',
+};
- [404, ['Content-Type' => 'text/plain'], ['Not found']]
+use constant NOT_FOUND => [404, ['Content-Type' => 'text/plain'], ['Not found']];
+use constant FORBIDDEN => [401, ['Content-Type' => 'text/plain', 'WWW-Authenticate' => 'Basic realm="Gruntmaster 6000"'], ['Forbidden']];
+
+sub development() { ($ENV{PLACK_ENV} // 'development') eq 'development' }
+
+my ($env, $privacy);
+
+sub db { $env->{'gruntmaster.dbic'} }
+
+sub remote_user {
+ my $user = $env->{'gruntmaster.user'};
+ $user &&= db->user($user);
+ $user
}
-sub get {
- my ($re, $obj) = @_;
- eval "require Gruntmaster::Page::$obj" or die $@;
- push @{$handlers{GET }}, [ $re, "Gruntmaster::Page::$obj" ]
+sub admin { remote_user && remote_user->admin }
+sub contest { db->contest ($_{contest}) }
+sub problem { db->problem ($_{problem}) }
+sub job { db->job ($_{job}) }
+sub user { db->user ($_{user}) }
+
+sub redirect { [301, ['X-Forever' => 1, 'Location' => $_[0]], []] }
+sub reply { [200, ['Content-Type' => 'text/plain'], \@_] }
+sub response {
+ my ($template, $title, $params, $maxage) = @_;
+ unless ($params) {
+ $params = $title;
+ $title = 'No title';
+ }
+ $params->{time} = time;
+ $params->{args} = {%_};
+ bless {template => $template, title => $title, params => $params, maxage => ($maxage // 1)}, __PACKAGE__.'::Response'
}
-sub post {
- my ($re, $obj) = @_;
- eval "require Gruntmaster::Page::$obj" or die $@;
- push @{$handlers{POST}}, [ $re, "Gruntmaster::Page::$obj" ]
+sub forbid {
+ my ($condition) = @_;
+ $privacy = 'private' if $condition;
+ return if !$condition || admin;
+ unwind FORBIDDEN, SUB UP
}
-BEGIN{
- my $word = qr,(\w+),a;
- my $ct = qr,(?:\/ct/$word)?,a;
-
- sub generic {
- my ($thing, $ct, $fs) = @_;
- $ct //= '', $fs //= '';
- my $pkg = ucfirst $thing;
- get qr,$ct/$thing/, => $pkg;
- get qr,$ct/$thing/read, => "${pkg}::Read";
- get qr,$ct/$thing/$word$fs, => "${pkg}::Entry";
-# post qr,$ct/$thing/$word/create, => "${pkg}::Entry::Create";
- get qr,$ct/$thing/$word/read, => "${pkg}::Entry::Read";
-# post qr,$ct/$thing/$word/update, => "${pkg}::Entry::Update";
-# post qr,$ct/$thing/$word/delete, => "${pkg}::Entry::Delete";
- }
+sub dispatch_request{
+ $env = $_[PSGI_ENV];
+ $privacy = 'public';
+
+ sub (GET) {
+ sub (/css/:theme) {
+ my $theme = $_{theme};
+ return NOT_FOUND unless -e "css/themes/$theme.css";
+ my $css = read_file "css/themes/$theme.css";
+ $css .= read_file $_ for <css/*.css>;
+ my @headers = ('X-Forever' => 1, 'Cache-Control' => 'public, max-age=604800', 'Content-Type' => 'text/css');
+ [200, \@headers, [development ? $css : CSS::Minifier::XS::minify $css]]
+ },
+
+ sub (/js.js) {
+ my $js;
+ $js .= read_file $_ for <js/*.js>;
+ my @headers = ('X-Forever' => 1, 'Cache-Control' => 'public, max-age=604800', 'Content-Type' => 'application/javascript');
+ [200, \@headers, [development ? $js : JavaScript::Minifier::XS::minify $js]]
+ },
- get qr,/css/$word\.css, => 'CSS';
- get qr,/js\.js, => 'JS';
+ sub (/src/:job) {
+ return NOT_FOUND if !job;
+ forbid job->private || job->problem->private || job->contest && job->contest->is_running;
+ my @headers = ('X-Forever' => 1, 'Cache-Control' => 'public, max-age=604800', 'Content-Type' => CONTENT_TYPES->{job->format});
+ [200, \@headers, [job->source]]
+ },
- generic 'us';
- generic ct => '', '/';
- generic pb => $ct;
- #generic log => $ct;
+ sub (?:contest=) {
+ return NOT_FOUND if !contest;
+ forbid contest->is_pending;
+ response_filter { return shift }
+ },
- get qr,$ct/log/(\d+)?, => 'Log';
- get qr,$ct/log/st, => 'St';
- get qr,$ct/log/job/$word, => 'Log::Entry';
- get qr,$ct/log/job/$word/read, => 'Log::Entry::Read';
- get qr,$ct/log/src/$word\.$word, => 'Src';
- post qr,$ct/pb/$word/submit, => 'Submit';
+ sub (?:problem=) {
+ return NOT_FOUND if !problem;
+ forbid problem->is_private;
+ response_filter { return shift }
+ },
- post qr,/action/register, => 'Register';
- post qr,/action/passwd, => 'Passwd';
+ sub (?:format~) {
+ my $format = lc ($_{format} // '');
+ response_filter {
+ my ($r) = @_;
+ return $r if ref $r ne 'Plack::App::Gruntmaster::Response';
+ my @hdrs = ('X-Forever' => 1, 'Cache-Control' => "$privacy, max-age=$r->{maxage}");
+ return [200, ['Content-Type' => 'application/json', @hdrs], [encode_json $r->{params}]] if $format eq 'json';
+ my $ret = render $r->{template}, 'en', title => $r->{title}, %{$r->{params}};
+ [200, ['Content-Type' => 'text/html', @hdrs], [encode 'UTF-8', $ret]]
+ },
+ },
+
+ sub (/st/:contest) {
+ response st => 'Standings', {
+ st => [ contest->standings ],
+ problems => [
+ map { [$_->id, $_->name] }
+ sort { $a->value <=> $b->value }
+ map { $_->problem } contest->contest_problems],
+ }, 10
+ },
+
+ sub (/ed/:contest) {
+ forbid contest->is_running;
+ response ed => 'Editorial of ' . contest->name, db->problem_list(contest => $_{contest}, solution => 1);
+ },
+
+ sub (/login) {
+ forbid !remote_user;
+
+ my $return = $env->{HTTP_REFERER} // '/';
+ [303, ['Set-Cookie' => "username=".remote_user->id, Location => $return], []]
+ },
+
+ sub (/ct/:contest/log/st) { redirect "/st/$_{contest}" },
+
+ sub (/us/) { response us => 'Users', {us => db->user_list} },
+ sub (/ct/ + ?:owner~) { response ct => 'Contests', db->contest_list(%_) },
+ sub (/log/ + ?:contest~&:owner~&:page~&:problem~&:private~) {
+ forbid $_{private};
+ response log => 'Job list', {%{db->job_list(%_)}, maybe contest => $_{contest},}
+ },
+ sub (/pb/ + ?:owner~&:contest~&:private~) {
+ forbid $_{private};
+ response pb => 'Problems', {%{db->problem_list(%_)}, maybe contest => $_{contest}}
+ },
+
+ sub (/us/:user) { response us_entry => user->name, db->user_entry($_{user}) },
+ sub (/ct/:contest) { response ct_entry => contest->name, db->contest_entry($_{contest}) },
+ sub (/log/:job) {
+ forbid job->private;
+ response log_entry => "Job $_{job}", db->job_entry($_{job})
+ },
+ sub (/pb/:problem + ?contest~) {
+ my (undef, undef, $contest) = @_;
+ $_{contest} = $contest;
+ return NOT_FOUND if !contest && !problem->is_in_archive || contest && !db->contest_problems->find($_{contest}, $_{problem});
+ forbid problem->is_private;
+ if (contest && contest->is_running) {
+ forbid !remote_user;
+ $privacy = 'private';
+ }
+ response pb_entry => problem->name, {%{db->problem_entry($_{problem}, $_{contest}, remote_user && remote_user->id)}, maybe contest => $_{contest}};
+ },
+ sub (/sol/:problem) {
+ forbid !problem->is_in_archive;
+ response sol => 'Solution of ' . problem->name, {solution => db->problem($_{problem})->solution};
+ },
+
+ sub (/) { redispatch_to '/index' },
+ sub (/favicon.ico) { redirect '/static/favicon.ico' },
+ sub (/:article) { [200, ['Content-Type' => 'text/html', 'Cache-Control' => 'public, max-age=60', 'X-Forever' => 1], [render_article $_{article}, 'en']] }
+ },
+
+ sub (POST) {
+ sub (/action/register + %:username=&:password=&:confirm_password=&:name=&:email=&:phone=&:town=&:university=&:country=&:level=) {
+ return reply 'Parameter too long' if grep { length > 200 } values %_;
+ return reply 'Bad username. Allowed characters are letters, digits and underscores, and the username must be between 2 and 20 characters long.' unless $_{username} =~ USER_REGEX;
+ return reply 'Username already in use' if db->user($_{username});
+ return reply 'The two passwords do not match' unless $_{password} eq $_{confirm_password};
+
+ db->users->create({id => $_{username}, name => $_{name}, email => $_{email}, phone => $_{phone}, town => $_{town}, university => $_{university}, country => $_{country}, level => $_{level}});
+ db->user($_{username})->set_passphrase($_{password});
+
+ purge '/us/';
+ reply 'Registered successfully';
+ },
+
+ sub (/action/passwd + %:password=&:new_password=&:confirm_new_password=) {
+ forbid !remote_user;
+ return reply 'Incorrect password' unless remote_user->check_passphrase($_{password});
+ return reply 'The two passwords do not match' unless $_{new_password} eq $_{confirm_new_password};
+ remote_user->set_passphrase($_{new_password});
+ reply 'Password changed successfully';
+ },
+
+ sub (/action/submit + %:problem=&:contest~&:prog_format=&:source_code~ + *prog~) {
+ my (undef, undef, $prog) = @_;
+ forbid !remote_user;
+ return reply 'This contest has finished' if contest && contest->is_finished;
+ return reply 'This contest has not yet started' if !admin && contest && contest->is_pending;
+ return reply 'This problem does not belong to this contest' if !contest && !problem->is_in_archive || contest && !db->contest_problems->find($_{contest}, $_{problem});
+ return reply 'Maximum source size is 10KB' if ($prog ? $prog->size : length $_{source_code}) > 10 * 1024;
+ return reply 'You must wait 30 seconds between jobs' if !admin && time <= remote_user->lastjob + 30;
+ remote_user->update({lastjob => time});
+
+ my $source = $prog ? read_file $prog->path : $_{source_code};
+ unlink $prog->path if $prog;
+ my $newjob = db->jobs->create({
+ maybe contest => $_{contest},
+ maybe private => problem->private && !$_{contest},
+ date => time,
+ extension => FORMAT_EXTENSION->{$_{prog_format}},
+ format => $_{prog_format},
+ problem => $_{problem},
+ source => $source,
+ owner => remote_user->id,
+ });
+
+ purge '/log/';
+ [303, [Location => '/log/' . $newjob->id], []]
+ }
+ }
}
+
1;
__END__