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1 | package Plack::App::Gruntmaster; | |
2 | ||
3 | use 5.014000; | |
4 | use strict; | |
5 | our $VERSION = '5999.000_001'; | |
6 | ||
7 | use Encode qw/encode decode/; | |
8 | use File::Slurp qw/read_file/; | |
9 | use JSON::MaybeXS qw/encode_json/; | |
10 | use PerlX::Maybe; | |
11 | use Scope::Upper qw/unwind SUB UP/; | |
12 | use Web::Simple; | |
13 | ||
14 | use Gruntmaster::Data; | |
15 | use Plack::App::Gruntmaster::HTML; | |
16 | ||
17 | use warnings NONFATAL => 'all'; | |
18 | no warnings 'illegalproto'; | |
19 | ||
20 | ################################################## | |
21 | ||
22 | use constant USER_REGEX => qr/^\w{2,20}$/a; | |
23 | ||
24 | use constant FORMAT_EXTENSION => { | |
25 | C => 'c', | |
26 | CPP => 'cpp', | |
27 | GCCGO => 'go', | |
28 | GOLANG => 'go', | |
29 | GOLFSCRIPT => 'gs', | |
30 | HASKELL => 'hs', | |
31 | MONO => 'cs', | |
32 | JAVA => 'java', | |
33 | PASCAL => 'pas', | |
34 | PERL => 'pl', | |
35 | PYTHON => 'py', | |
36 | RUBY => 'rb', | |
37 | SBCL => 'l', | |
38 | }; | |
39 | ||
40 | use constant NOT_FOUND => [404, ['X-Forever' => 1, 'Content-Type' => 'text/plain'], ['Not found']]; | |
41 | ||
42 | my ($env, $privacy); | |
43 | ||
44 | sub db { $env->{'gruntmaster.dbic'} } | |
45 | ||
46 | sub remote_user { | |
47 | unless ($env->{'gruntmaster.user'}) { | |
48 | my $user = $env->{REMOTE_USER}; | |
49 | $user &&= db->user_entry($user); | |
50 | $env->{'gruntmaster.user'} = $user; | |
51 | } | |
52 | $env->{'gruntmaster.user'} | |
53 | } | |
54 | ||
55 | sub admin { remote_user && remote_user->{admin} } | |
56 | ||
57 | sub redirect { [301, ['X-Forever' => 1, 'Cache-Control' => 'public, max-age=86400', 'Location' => $_[0]], []] } | |
58 | sub reply { [200, ['Content-Type' => 'text/plain; charset=utf-8'], \@_] } | |
59 | sub response { | |
60 | my ($template, $title, $params, $maxage) = @_; | |
61 | unless ($params) { | |
62 | $params = $title; | |
63 | $title = 'No title'; | |
64 | } | |
65 | $params->{time} = time; | |
66 | $params->{args} = {%_}; | |
67 | bless {template => $template, title => $title, params => $params, maxage => ($maxage // 3600)}, __PACKAGE__.'::Response' | |
68 | } | |
69 | ||
70 | sub forbid { | |
71 | my ($condition) = @_; | |
72 | $privacy = 'private' if $condition; | |
73 | return if !$condition || admin; | |
74 | unwind $env->{authcomplex}->unauthorized, SUB UP | |
75 | } | |
76 | ||
77 | sub dispatch_request{ | |
78 | $env = $_[PSGI_ENV]; | |
79 | $privacy = 'public'; | |
80 | ||
81 | sub (GET) { | |
82 | sub (/robots.txt) { NOT_FOUND }, | |
83 | ||
84 | sub (/src/:job) { | |
85 | my $job = db->job_full($_{job}); | |
86 | return NOT_FOUND if !$job; | |
87 | my $isowner = remote_user && remote_user->{id} eq $job->{owner}; | |
88 | my $contest = $job->{contest} && db->contest_entry($job->{contest}); | |
89 | my $private = $job->{private} || $contest && ($contest->{started} && !$contest->{finished}); | |
90 | forbid !$isowner && $private; | |
91 | my $privacy = $private ? 'private' : 'public'; | |
92 | my @headers = ('X-Forever' => 1, 'Cache-Control' => "$privacy, max-age=604800", 'Content-Type' => 'text/plain'); | |
93 | push @headers, (Vary => 'Authorization') if $private; | |
94 | [200, \@headers, [$job->{source}]] | |
95 | }, | |
96 | ||
97 | sub (?:format~) { | |
98 | my $format = lc ($_{format} // ''); | |
99 | response_filter { | |
100 | my ($r) = @_; | |
101 | return $r if ref $r ne 'Plack::App::Gruntmaster::Response'; | |
102 | my @hdrs = ('X-Forever' => 1, 'Cache-Control' => "$privacy, max-age=$r->{maxage}"); | |
103 | push @hdrs, Vary => 'Authorization' if $privacy eq 'private'; | |
104 | return [200, ['Content-Type' => 'application/json; charset=utf-8', @hdrs], [encode_json $r->{params}]] if $format eq 'json'; | |
105 | my $ret = render $r->{template}, 'en', title => $r->{title}, %{$r->{params}}; | |
106 | [200, ['Content-Type' => 'text/html; charset=utf-8', @hdrs], [encode 'UTF-8', $ret]] | |
107 | }, | |
108 | }, | |
109 | ||
110 | sub (/st/:contest) { response st => 'Standings', db->standings($_{contest}), 10 }, | |
111 | ||
112 | sub (/ed/:contest) { | |
113 | my $contest = db->contest_full($_{contest}); | |
114 | forbid !$contest->{finished}; | |
115 | my $pblist = db->problem_list(contest => $_{contest}, solution => 1); | |
116 | response ed => 'Editorial of ' . $contest->{name}, {%$pblist, editorial => $contest->{editorial}} | |
117 | }, | |
118 | ||
119 | sub (/login) { | |
120 | forbid !remote_user; | |
121 | [200, ['Content-Type' => 'text/plain; charset=UTF-8', 'Cache-Control' => 'private, max-age=300', Vary => 'Authorization'], [$env->{REMOTE_USER}]] | |
122 | }, | |
123 | ||
124 | sub (/ct/:contest/log/st) { redirect "/st/$_{contest}" }, | |
125 | ||
126 | sub (/us/) { response us => 'Users', {us => db->user_list} }, | |
127 | sub (/ct/ + ?:owner~) { response ct => 'Contests', db->contest_list(%_), 300 }, | |
128 | sub (/log/ + ?:contest~&:owner~&:page~&:problem~&:private~&:result~) { | |
129 | forbid $_{private}; | |
130 | response log => 'Job list', db->job_list(%_), 5 | |
131 | }, | |
132 | sub (/pb/ + ?:owner~&:contest~&:private~) { | |
133 | forbid $_{private}; | |
134 | my $pending = $_{contest} && !db->contest_entry($_{contest})->{started}; | |
135 | forbid $pending; | |
136 | response pb => 'Problems', db->problem_list(%_) | |
137 | }, | |
138 | ||
139 | sub (/us/:user) { | |
140 | my $user = db->user_entry($_{user}); | |
141 | response us_entry => $user->{name}, $user | |
142 | }, | |
143 | sub (/ct/:contest) { | |
144 | my $contest = db->contest_entry($_{contest}); | |
145 | response ct_entry => $contest->{name}, $contest, 60 | |
146 | }, | |
147 | sub (/log/:job) { | |
148 | my $job = db->job_entry($_{job}); | |
149 | forbid $job->{private}; | |
150 | response log_entry => "Job $_{job}", $job, 10 | |
151 | }, | |
152 | sub (/pb/:problem + ?contest~) { | |
153 | my (undef, undef, $contest) = @_; | |
154 | $_{contest} = $contest; | |
155 | $contest = $contest && db->contest_entry($_{contest}); | |
156 | return NOT_FOUND if $contest && !db->contest_has_problem($_{contest}, $_{problem}); | |
157 | my $problem = db->problem_entry($_{problem}, $_{contest}); | |
158 | forbid $problem->{private} && !$contest; | |
159 | if ($contest) { | |
160 | return redirect "/pb/$_{problem}" if !$contest->{started} || $contest->{finished}; | |
161 | forbid !remote_user; | |
162 | $privacy = 'private'; | |
163 | } | |
164 | response pb_entry => $problem->{name}, $problem, $_{contest} ? 10 : (); | |
165 | }, | |
166 | sub (/sol/:problem) { | |
167 | my $problem = db->problem_entry($_{problem}); | |
168 | forbid $problem->{private}; | |
169 | response sol => 'Solution of ' . $problem->{name}, {solution => $problem->{solution}}; | |
170 | }, | |
171 | ||
172 | sub (/) { redispatch_to '/index' }, | |
173 | sub (/favicon.ico) { redirect '/static/favicon.ico' }, | |
174 | sub (/:article) { [200, ['Content-Type' => 'text/html; charset=utf-8', 'Cache-Control' => 'public, max-age=3600', 'X-Forever' => 1], [render_article $_{article}, 'en']] } | |
175 | }, | |
176 | ||
177 | sub (POST) { | |
178 | sub (/action/submit + %:problem=&:contest~&:prog_format=&:source_code~ + *prog~) { | |
179 | my (undef, undef, $prog) = @_; | |
180 | forbid !remote_user; | |
181 | my $problem = db->problem_entry($_{problem}); | |
182 | my $private = $problem->{private} ? 1 : 0; | |
183 | if ($_{contest}) { | |
184 | $private = 0; | |
185 | my $contest = db->contest_entry($_{contest}); | |
186 | return reply 'This contest has not yet started' if !$contest->{started}; | |
187 | return reply 'This contest has finished' if $contest->{finished}; | |
188 | return reply 'This problem is private' if !admin && $private; | |
189 | return reply 'This problem does not belong to this contest' unless db->contest_has_problem($_{contest}, $_{problem}); | |
190 | } | |
191 | return reply 'Maximum source size is 10KB' if ($prog ? $prog->size : length $_{source_code}) > 10 * 1024; | |
192 | return reply 'You must wait 30 seconds between jobs' if !admin && time <= remote_user->{lastjob} + 30; | |
193 | ||
194 | my $source = $prog ? read_file $prog->path : $_{source_code}; | |
195 | unlink $prog->path if $prog; | |
196 | my $id = db->create_job( | |
197 | maybe contest => $_{contest}, | |
198 | private => $private, | |
199 | date => time, | |
200 | extension => FORMAT_EXTENSION->{$_{prog_format}}, | |
201 | format => $_{prog_format}, | |
202 | problem => $_{problem}, | |
203 | source => $source, | |
204 | owner => remote_user->{id}, | |
205 | ); | |
206 | ||
207 | [303, [Location => '/log/' . $id], []] | |
208 | }, | |
209 | } | |
210 | } | |
211 | ||
212 | ||
213 | 1; | |
214 | __END__ |