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[gruntmaster-page.git] / 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 warnings NONFATAL => 'all';
20 no warnings 'illegalproto';
21 no if $] >= 5.017011, warnings => 'experimental::smartmatch';
22
23 ##################################################
24
25 use constant USER_REGEX => qr/^\w{2,20}$/a;
26
27 use constant CONTENT_TYPES => +{
28 c => 'text/x-csrc',
29 cpp => 'text/x-c++src',
30 cs => 'text/x-csharp', # Used by GNOME. Not in mime.types.
31 go => 'text/plain', # ?
32 hs => 'text/x-haskell',
33 java => 'text/x-java',
34 pas => 'text/x-pascal',
35 pl => 'text/x-perl',
36 py => 'text/x-python',
37 };
38
39 use constant FORMAT_EXTENSION => {
40 C => 'c',
41 CPP => 'cpp',
42 GCCGO => 'go',
43 GOLANG => 'go',
44 HASKELL => 'hs',
45 MONO => 'cs',
46 JAVA => 'java',
47 PASCAL => 'pas',
48 PERL => 'pl',
49 PYTHON => 'py',
50 };
51
52 use constant NOT_FOUND => [404, ['Content-Type' => 'text/plain'], ['Not found']];
53 use constant FORBIDDEN => [401, ['Content-Type' => 'text/plain', 'WWW-Authenticate' => 'Basic realm="Gruntmaster 6000"'], ['Forbidden']];
54
55 sub development() { ($ENV{PLACK_ENV} // 'development') eq 'development' }
56
57 my ($env, $privacy);
58
59 sub db { $env->{'gruntmaster.dbic'} }
60
61 sub remote_user {
62 my $user = $env->{'gruntmaster.user'};
63 $user &&= db->user($user);
64 $user
65 }
66
67 sub admin { remote_user && remote_user->admin }
68 sub contest { db->contest ($_{contest}) }
69 sub problem { db->problem ($_{problem}) }
70 sub job { db->job ($_{job}) }
71 sub user { db->user ($_{user}) }
72
73 sub redirect { [301, ['X-Forever' => 1, 'Location' => $_[0]], []] }
74 sub reply { [200, ['Content-Type' => 'text/plain'], \@_] }
75 sub response {
76 my ($template, $title, $params, $maxage) = @_;
77 unless ($params) {
78 $params = $title;
79 $title = 'No title';
80 }
81 $params->{time} = time;
82 $params->{args} = {%_};
83 bless {template => $template, title => $title, params => $params, maxage => ($maxage // 1)}, __PACKAGE__.'::Response'
84 }
85
86 sub forbid {
87 my ($condition) = @_;
88 $privacy = 'private' if $condition;
89 return if !$condition || admin;
90 unwind FORBIDDEN, SUB UP
91 }
92
93 sub dispatch_request{
94 $env = $_[PSGI_ENV];
95 $privacy = 'public';
96
97 sub (GET) {
98 sub (/css/:theme) {
99 my $theme = $_{theme};
100 return NOT_FOUND unless -e "css/themes/$theme.css";
101 my $css = read_file "css/themes/$theme.css";
102 $css .= read_file $_ for <css/*.css>;
103 my @headers = ('X-Forever' => 1, 'Cache-Control' => 'public, max-age=604800', 'Content-Type' => 'text/css');
104 [200, \@headers, [development ? $css : CSS::Minifier::XS::minify $css]]
105 },
106
107 sub (/js.js) {
108 my $js;
109 $js .= read_file $_ for <js/*.js>;
110 my @headers = ('X-Forever' => 1, 'Cache-Control' => 'public, max-age=604800', 'Content-Type' => 'application/javascript');
111 [200, \@headers, [development ? $js : JavaScript::Minifier::XS::minify $js]]
112 },
113
114 sub (/src/:job) {
115 return NOT_FOUND if !job;
116 forbid job->private || job->problem->private || job->contest && job->contest->is_running;
117 my @headers = ('X-Forever' => 1, 'Cache-Control' => 'public, max-age=604800', 'Content-Type' => CONTENT_TYPES->{job->format});
118 [200, \@headers, [job->source]]
119 },
120
121 sub (?:contest=) {
122 return NOT_FOUND if !contest;
123 forbid contest->is_pending;
124 response_filter { return shift }
125 },
126
127 sub (?:problem=) {
128 return NOT_FOUND if !problem;
129 forbid problem->is_private;
130 response_filter { return shift }
131 },
132
133 sub (?:format~) {
134 my $format = lc ($_{format} // '');
135 response_filter {
136 my ($r) = @_;
137 return $r if ref $r ne 'Plack::App::Gruntmaster::Response';
138 my @hdrs = ('X-Forever' => 1, 'Cache-Control' => "$privacy, max-age=$r->{maxage}");
139 return [200, ['Content-Type' => 'application/json', @hdrs], [encode_json $r->{params}]] if $format eq 'json';
140 my $ret = render $r->{template}, 'en', title => $r->{title}, %{$r->{params}};
141 [200, ['Content-Type' => 'text/html', @hdrs], [encode 'UTF-8', $ret]]
142 },
143 },
144
145 sub (/st/:contest) {
146 response st => 'Standings', {
147 st => [ contest->standings ],
148 problems => [
149 map { [$_->id, $_->name] }
150 sort { $a->value <=> $b->value }
151 map { $_->problem } contest->contest_problems],
152 }, 10
153 },
154
155 sub (/login) {
156 forbid !remote_user;
157
158 my $return = $env->{HTTP_REFERER} // '/';
159 [303, ['Set-Cookie' => "username=".remote_user->id, Location => $return], []]
160 },
161
162 sub (/ct/:contest/log/st) { redirect "/st/$_{contest}" },
163
164 sub (/us/) { response us => 'Users', {us => db->user_list} },
165 sub (/ct/ + ?:owner~) { response ct => 'Contests', db->contest_list(%_) },
166 sub (/log/ + ?:contest~&:owner~&:page~&:problem~&:private~) {
167 forbid $_{private};
168 response log => 'Job list', {%{db->job_list(%_)}, maybe contest => $_{contest},}
169 },
170 sub (/pb/ + ?:owner~&:contest~&:private~) {
171 forbid $_{private};
172 response pb => 'Problems', {%{db->problem_list(%_)}, maybe contest => $_{contest}}
173 },
174
175 sub (/us/:user) { response us_entry => user->name, db->user_entry($_{user}) },
176 sub (/ct/:contest) { response ct_entry => contest->name, db->contest_entry($_{contest}) },
177 sub (/log/:job) {
178 forbid job->private;
179 response log_entry => "Job $_{job}", db->job_entry($_{job})
180 },
181 sub (/pb/:problem + ?contest~) {
182 my (undef, undef, $contest) = @_;
183 $_{contest} = $contest;
184 return NOT_FOUND if !contest && !problem->is_in_archive || contest && !db->contest_problems->find($_{contest}, $_{problem});
185 forbid problem->is_private;
186 if (contest && contest->is_running) {
187 forbid !remote_user;
188 $privacy = 'private';
189 }
190 response pb_entry => problem->name, {%{db->problem_entry($_{problem}, $_{contest}, remote_user && remote_user->id)}, maybe contest => $_{contest}};
191 },
192 sub (/sol/:problem) {
193 forbid !problem->is_in_archive;
194 response sol => 'Solution of ' . problem->name, {solution => db->problem($_{problem})->solution};
195 },
196
197 sub (/) { redispatch_to '/index' },
198 sub (/:article) { [200, ['Content-Type' => 'text/html', 'Cache-Control' => 'public, max-age=60', 'X-Forever' => 1], [render_article $_{article}, 'en']] }
199 },
200
201 sub (POST) {
202 sub (/action/register + %:username=&:password=&:confirm_password=&:name=&:email=&:phone=&:town=&:university=&:level=) {
203 return reply 'Parameter too long' if grep { length > 200 } values %_;
204 return reply 'Bad username. Allowed characters are letters, digits and underscores, and the username must be between 2 and 20 characters long.' unless $_{username} =~ USER_REGEX;
205 return reply 'Username already in use' if db->user($_{username});
206 return reply 'The two passwords do not match' unless $_{password} eq $_{confirm_password};
207
208 db->users->create({id => $_{username}, name => $_{name}, email => $_{email}, phone => $_{phone}, town => $_{town}, university => $_{university}, level => $_{level}});
209 db->user($_{username})->set_passphrase($_{password});
210
211 purge '/us/';
212 reply 'Registered successfully';
213 },
214
215 sub (/action/passwd + %:password=&:new_password=&:confirm_new_password=) {
216 forbid !remote_user;
217 return reply 'Incorrect password' unless remote_user->check_passphrase($_{password});
218 return reply 'The two passwords do not match' unless $_{new_password} eq $_{confirm_new_password};
219 remote_user->set_passphrase($_{new_password});
220 reply 'Password changed successfully';
221 },
222
223 sub (/action/submit + %:problem=&:contest~&:prog_format=&:source_code~ + *prog~) {
224 my (undef, undef, $prog) = @_;
225 forbid !remote_user;
226 return reply 'This contest has finished' if contest && contest->is_finished;
227 return reply 'This contest has not yet started' if !admin && contest && contest->is_pending;
228 return reply 'This problem does not belong to this contest' if !contest && !problem->is_in_archive || contest && !db->contest_problems->find($_{contest}, $_{problem});
229 return reply 'Maximum source size is 10KB' if ($prog ? $prog->size : length $_{source_code}) > 10 * 1024;
230 return reply 'You must wait 30 seconds between jobs' if !admin && time <= remote_user->lastjob + 30;
231 remote_user->update({lastjob => time});
232
233 my $source = $prog ? read_file $prog->path : $_{source_code};
234 unlink $prog->path if $prog;
235 my $newjob = db->jobs->create({
236 maybe contest => $_{contest},
237 maybe private => problem->private && !$_{contest},
238 date => time,
239 extension => FORMAT_EXTENSION->{$_{prog_format}},
240 format => $_{prog_format},
241 problem => $_{problem},
242 source => $source,
243 owner => remote_user->id,
244 });
245
246 purge '/log/';
247 [303, [Location => '/log/' . $newjob->id], []]
248 }
249 }
250 }
251
252
253 1;
254 __END__
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