lib/Plack/App/Gruntmaster.pm

   1 package Plack::App::Gruntmaster;
   2
   3 use 5.014000;
   4 use strict;
   5 our $VERSION = '5999.000_001';
   6
   7 use CSS::Minifier::XS;
   8 use Encode qw/encode decode/;
   9 use File::Slurp qw/read_file/;
  10 use JavaScript::Minifier::XS;
  11 use JSON::MaybeXS qw/encode_json/;
  12 use PerlX::Maybe;
  13 use Scope::Upper qw/unwind SUB UP/;
  14 use Web::Simple;
  15
  16 use Gruntmaster::Data;
  17 use Plack::App::Gruntmaster::HTML;
  18
  19 use Email::Sender::Simple qw/sendmail/;
  20 use Email::Simple;
  21
  22 use warnings NONFATAL => 'all';
  23 no warnings 'illegalproto';
  24
  25 ##################################################
  26
  27 use constant USER_REGEX => qr/^\w{2,20}$/a;
  28
  29 use constant CONTENT_TYPES => +{
  30         c => 'text/x-csrc',
  31         cpp => 'text/x-c++src',
  32         cs => 'text/x-csharp', # Used by GNOME. Not in mime.types.
  33         go => 'text/plain', # ?
  34         hs => 'text/x-haskell',
  35         java => 'text/x-java',
  36         pas => 'text/x-pascal',
  37         pl => 'text/x-perl',
  38         py => 'text/x-python',
  39         l => 'text/plain',
  40 };
  41
  42 use constant FORMAT_EXTENSION => {
  43         C => 'c',
  44         CPP => 'cpp',
  45         GCCGO => 'go',
  46         GOLANG => 'go',
  47         HASKELL => 'hs',
  48         MONO => 'cs',
  49         JAVA => 'java',
  50         PASCAL => 'pas',
  51         PERL => 'pl',
  52         PYTHON => 'py',
  53         SBCL => 'l',
  54 };
  55
  56 use constant NOT_FOUND => [404, ['X-Forever' => 1, 'Content-Type' => 'text/plain'], ['Not found']];
  57
  58 sub development() { ($ENV{PLACK_ENV} // 'development') eq 'development' }
  59
  60 my ($env, $privacy);
  61
  62 sub db { $env->{'gruntmaster.dbic'} }
  63
  64 sub remote_user {
  65         my $user = $env->{REMOTE_USER};
  66         $user &&= db->user($user);
  67         $user
  68 }
  69
  70 sub admin   { remote_user && remote_user->admin }
  71 sub contest { db->contest ($_{contest}) }
  72 sub problem { db->problem ($_{problem}) }
  73 sub job     { db->job     ($_{job})     }
  74 sub user    { db->user    ($_{user})    }
  75
  76 sub redirect { [301, ['X-Forever' => 1, 'Location' => $_[0]], []] }
  77 sub reply    { [200, ['Content-Type' => 'text/plain; charset=utf-8'], \@_] }
  78 sub response {
  79         my ($template, $title, $params, $maxage) = @_;
  80         unless ($params) {
  81                 $params = $title;
  82                 $title = 'No title';
  83         }
  84         $params->{time} = time;
  85         $params->{args} = {%_};
  86         bless {template => $template, title => $title, params => $params, maxage => ($maxage // 1)}, __PACKAGE__.'::Response'
  87 }
  88
  89 sub forbid {
  90         my ($condition) = @_;
  91         $privacy = 'private' if $condition;
  92         return if !$condition || admin;
  93         unwind $env->{authcomplex}->unauthorized, SUB UP
  94 }
  95
  96 sub dispatch_request{
  97         $env = $_[PSGI_ENV];
  98         $privacy = 'public';
  99
 100         sub (GET) {
 101                 sub (/css/:theme) {
 102                         my $theme = $_{theme};
 103                         return NOT_FOUND unless -e "css/themes/$theme.css";
 104                         my $css = read_file "css/themes/$theme.css";
 105                         $css .= read_file $_ for <css/*.css>;
 106                         my @headers = ('X-Forever' => 1, 'Cache-Control' => 'public, max-age=604800', 'Content-Type' => 'text/css; charset=utf-8');
 107                         [200, \@headers, [development ? $css : CSS::Minifier::XS::minify $css]]
 108                 },
 109
 110                 sub (/js.js) {
 111                         my $js;
 112                         $js .= read_file $_ for <js/*.js>;
 113                         my @headers = ('X-Forever' => 1, 'Cache-Control' => 'public, max-age=604800', 'Content-Type' => 'application/javascript; charset=utf-8');
 114                         [200, \@headers, [development ? $js : JavaScript::Minifier::XS::minify $js]]
 115                 },
 116
 117                 sub (/robots.txt) { NOT_FOUND },
 118
 119                 sub (/src/:job) {
 120                         return NOT_FOUND if !job;
 121                         my $isowner = remote_user && remote_user->id eq job->rawowner;
 122                         my $private = job->private || job->problem->private || job->contest && job->contest->is_running;
 123                         forbid !$isowner && $private;
 124                         my $privacy = $private ? 'private' : 'public';
 125                         my @headers = ('X-Forever' => 1, 'Cache-Control' => "$privacy, max-age=604800", 'Content-Type' => CONTENT_TYPES->{job->extension});
 126                         push @headers, (Vary => 'Authorization') if $private;
 127                         [200, \@headers, [job->source]]
 128                 },
 129
 130                 sub (?:contest=) {
 131                         return NOT_FOUND if !contest;
 132                         forbid contest->is_pending;
 133                         response_filter { return shift }
 134                 },
 135
 136                 sub (?:problem=) {
 137                         return NOT_FOUND if !problem;
 138                         forbid problem->is_private;
 139                         response_filter { return shift }
 140                 },
 141
 142                 sub (?:format~) {
 143                         my $format = lc ($_{format} // '');
 144                         response_filter {
 145                                 my ($r) = @_;
 146                                 return $r if ref $r ne 'Plack::App::Gruntmaster::Response';
 147                                 my @hdrs = ('X-Forever' => 1, 'Cache-Control' => "$privacy, max-age=$r->{maxage}");
 148                                 push @hdrs, Vary => 'Authorization' if $privacy eq 'private';
 149                                 return [200, ['Content-Type' => 'application/json; charset=utf-8', @hdrs], [encode_json $r->{params}]] if $format eq 'json';
 150                                 my $ret = render $r->{template}, 'en', title => $r->{title}, %{$r->{params}};
 151                                 [200, ['Content-Type' => 'text/html; charset=utf-8', @hdrs], [encode 'UTF-8', $ret]]
 152                         },
 153                 },
 154
 155                 sub (/st/:contest) {
 156                         response st => 'Standings', {
 157                                 st => [ contest->standings ],
 158                                 problems => [
 159                                         map { [$_->id, $_->name] }
 160                                         sort { $a->value <=> $b->value }
 161                                         map { $_->problem } contest->contest_problems],
 162                         }, 10
 163                 },
 164
 165                 sub (/ed/:contest) {
 166                         forbid !contest->is_finished;
 167                         my $pblist = db->problem_list(contest => $_{contest}, solution => 1);
 168                         response ed => 'Editorial of ' . contest->name, {%$pblist, editorial => contest->editorial};
 169                 },
 170
 171                 sub (/login) {
 172                         forbid !remote_user;
 173
 174                         my $return = $env->{HTTP_REFERER} // '/';
 175                         [303, ['Set-Cookie' => "username=".remote_user->id, Location => $return], []]
 176                 },
 177
 178                 sub (/ct/:contest/log/st) { redirect "/st/$_{contest}" },
 179
 180                 sub (/us/)                                        { response us => 'Users', {us => db->user_list} },
 181                 sub (/ct/  + ?:owner~)                            { response ct => 'Contests', db->contest_list(%_) },
 182                 sub (/log/ + ?:contest~&:owner~&:page~&:problem~&:private~) {
 183                         forbid $_{private};
 184                         response log => 'Job list', {%{db->job_list(%_)}, maybe contest => $_{contest},}
 185                 },
 186                 sub (/pb/  + ?:owner~&:contest~&:private~)                  {
 187                         forbid $_{private};
 188                         response pb => 'Problems', {%{db->problem_list(%_)}, maybe contest => $_{contest}}
 189                 },
 190
 191                 sub (/us/:user)    { response us_entry => user->name, db->user_entry($_{user}) },
 192                 sub (/ct/:contest) { response ct_entry => contest->name, db->contest_entry($_{contest}) },
 193                 sub (/log/:job)    {
 194                         forbid job->private;
 195                         response log_entry => "Job  $_{job}", db->job_entry($_{job})
 196                 },
 197                 sub (/pb/:problem + ?contest~) {
 198                         my (undef, undef, $contest) = @_;
 199                         $_{contest} = $contest;
 200                         return NOT_FOUND if !contest && !problem->is_in_archive || contest && !db->contest_problems->find($_{contest}, $_{problem});
 201                         forbid problem->is_private;
 202                         if (contest && contest->is_running) {
 203                                 forbid !remote_user;
 204                                 $privacy = 'private';
 205                         }
 206                         response pb_entry => problem->name, {%{db->problem_entry($_{problem}, $_{contest}, remote_user && remote_user->id)}, maybe contest => $_{contest}};
 207                 },
 208                 sub (/sol/:problem) {
 209                         forbid !problem->is_in_archive;
 210                         response sol => 'Solution of ' . problem->name, {solution => db->problem($_{problem})->solution};
 211                 },
 212
 213                 sub (/) { redispatch_to '/index' },
 214                 sub (/favicon.ico) { redirect '/static/favicon.ico' },
 215                 sub (/:article) { [200, ['Content-Type' => 'text/html; charset=utf-8', 'Cache-Control' => 'public, max-age=60', 'X-Forever' => 1], [render_article $_{article}, 'en']] }
 216         },
 217
 218         sub (POST) {
 219                 sub (/action/submit + %:problem=&:contest~&:prog_format=&:source_code~ + *prog~) {
 220                         my (undef, undef, $prog) = @_;
 221                         forbid !remote_user;
 222                         return reply 'This contest has finished' if contest && contest->is_finished;
 223                         return reply 'This contest has not yet started' if !admin && contest && contest->is_pending;
 224                         return reply 'This problem does not belong to this contest' if !contest && !problem->is_in_archive || contest && !db->contest_problems->find($_{contest}, $_{problem});
 225                         return reply 'Maximum source size is 10KB' if ($prog ? $prog->size : length $_{source_code}) > 10 * 1024;
 226                         return reply 'You must wait 30 seconds between jobs' if !admin && time <= remote_user->lastjob + 30;
 227                         remote_user->update({lastjob => time});
 228
 229                         my $source = $prog ? read_file $prog->path : $_{source_code};
 230                         unlink $prog->path if $prog;
 231                         my $private = (problem->private && !$_{contest}) ? 1 : 0;
 232                         $private = 1 if contest && contest->is_pending;
 233                         my $newjob = db->jobs->create({
 234                                 maybe contest => $_{contest},
 235                                 private => $private,
 236                                 date => time,
 237                                 extension => FORMAT_EXTENSION->{$_{prog_format}},
 238                                 format => $_{prog_format},
 239                                 problem => $_{problem},
 240                                 source => $source,
 241                                 owner => remote_user->id,
 242                         });
 243
 244                         [303, [Location => '/log/' . $newjob->id], []]
 245                 },
 246         }
 247 }
 248
 249
 250 1;
 251 __END__