Make tracker less automatic and more resource-friendly
[plack-app-gruntmaster.git] / lib / Plack / App / Gruntmaster.pm
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1package Plack::App::Gruntmaster;
2
3use 5.014000;
4use strict;
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5our $VERSION = '5999.000_001';
6
e03e380b 7use CSS::Minifier::XS;
3b69df7a 8use Encode qw/encode decode/;
f34254b8 9use File::Slurp qw/read_file/;
e03e380b 10use JavaScript::Minifier::XS;
3b69df7a 11use JSON::MaybeXS qw/encode_json/;
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12use PerlX::Maybe;
13use Scope::Upper qw/unwind SUB UP/;
3b69df7a 14use Web::Simple;
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15
16use Gruntmaster::Data;
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17use Plack::App::Gruntmaster::HTML;
18
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19use Email::Sender::Simple qw/sendmail/;
20use Email::Simple;
21
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22use warnings NONFATAL => 'all';
23no warnings 'illegalproto';
f34254b8 24
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25##################################################
26
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27use constant USER_REGEX => qr/^\w{2,20}$/a;
28
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29use 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.
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33 go => 'text/plain', # ?
34 hs => 'text/x-haskell',
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35 java => 'text/x-java',
36 pas => 'text/x-pascal',
37 pl => 'text/x-perl',
38 py => 'text/x-python',
76454bde 39 l => 'text/plain',
e03e380b 40};
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41
42use constant FORMAT_EXTENSION => {
43 C => 'c',
44 CPP => 'cpp',
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45 GCCGO => 'go',
46 GOLANG => 'go',
47 HASKELL => 'hs',
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48 MONO => 'cs',
49 JAVA => 'java',
50 PASCAL => 'pas',
51 PERL => 'pl',
52 PYTHON => 'py',
e6d1bcd4 53 SBCL => 'l',
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54};
55
e03e380b 56use constant NOT_FOUND => [404, ['Content-Type' => 'text/plain'], ['Not found']];
3b69df7a 57use constant FORBIDDEN => [401, ['Content-Type' => 'text/plain', 'WWW-Authenticate' => 'Basic realm="Gruntmaster 6000"'], ['Forbidden']];
594d53ba 58
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59sub development() { ($ENV{PLACK_ENV} // 'development') eq 'development' }
60
c039d63e 61my ($env, $privacy);
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62
63sub db { $env->{'gruntmaster.dbic'} }
64
65sub remote_user {
66 my $user = $env->{'gruntmaster.user'};
67 $user &&= db->user($user);
68 $user
69}
70
3b69df7a 71sub admin { remote_user && remote_user->admin }
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72sub contest { db->contest ($_{contest}) }
73sub problem { db->problem ($_{problem}) }
74sub job { db->job ($_{job}) }
75sub user { db->user ($_{user}) }
76
77sub redirect { [301, ['X-Forever' => 1, 'Location' => $_[0]], []] }
78sub reply { [200, ['Content-Type' => 'text/plain'], \@_] }
79sub response {
c039d63e 80 my ($template, $title, $params, $maxage) = @_;
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81 unless ($params) {
82 $params = $title;
83 $title = 'No title';
84 }
9a4806b3 85 $params->{time} = time;
39e2d01a 86 $params->{args} = {%_};
c039d63e 87 bless {template => $template, title => $title, params => $params, maxage => ($maxage // 1)}, __PACKAGE__.'::Response'
594d53ba 88}
3b69df7a 89
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90sub forbid {
91 my ($condition) = @_;
92 $privacy = 'private' if $condition;
93 return if !$condition || admin;
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94 unwind FORBIDDEN, SUB UP
95}
31d70015 96
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97sub dispatch_request{
98 $env = $_[PSGI_ENV];
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99 $privacy = 'public';
100
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101 sub (GET) {
102 sub (/css/:theme) {
103 my $theme = $_{theme};
104 return NOT_FOUND unless -e "css/themes/$theme.css";
105 my $css = read_file "css/themes/$theme.css";
106 $css .= read_file $_ for <css/*.css>;
107 my @headers = ('X-Forever' => 1, 'Cache-Control' => 'public, max-age=604800', 'Content-Type' => 'text/css');
1bb102ef 108 [200, \@headers, [development ? $css : CSS::Minifier::XS::minify $css]]
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109 },
110
111 sub (/js.js) {
112 my $js;
113 $js .= read_file $_ for <js/*.js>;
114 my @headers = ('X-Forever' => 1, 'Cache-Control' => 'public, max-age=604800', 'Content-Type' => 'application/javascript');
1bb102ef 115 [200, \@headers, [development ? $js : JavaScript::Minifier::XS::minify $js]]
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116 },
117
118 sub (/src/:job) {
119 return NOT_FOUND if !job;
c22928ed 120 my $isowner = remote_user && remote_user->id eq job->rawowner;
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121 my $private = job->private || job->problem->private || job->contest && job->contest->is_running;
122 forbid !$isowner && $private;
123 my $privacy = $private ? 'private' : 'public';
124 my @headers = ('X-Forever' => 1, 'Cache-Control' => "$privacy, max-age=604800", 'Content-Type' => CONTENT_TYPES->{job->format});
125 push @headers, (Vary => 'Authorization') if $private;
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126 [200, \@headers, [job->source]]
127 },
128
129 sub (?:contest=) {
130 return NOT_FOUND if !contest;
131 forbid contest->is_pending;
132 response_filter { return shift }
133 },
134
135 sub (?:problem=) {
136 return NOT_FOUND if !problem;
137 forbid problem->is_private;
138 response_filter { return shift }
139 },
140
d3892d73 141 sub (?:format~) {
feaa8f5a 142 my $format = lc ($_{format} // '');
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143 response_filter {
144 my ($r) = @_;
145 return $r if ref $r ne 'Plack::App::Gruntmaster::Response';
c039d63e 146 my @hdrs = ('X-Forever' => 1, 'Cache-Control' => "$privacy, max-age=$r->{maxage}");
be6551aa 147 push @hdrs, Vary => 'Authorization' if $privacy eq 'private';
c039d63e 148 return [200, ['Content-Type' => 'application/json', @hdrs], [encode_json $r->{params}]] if $format eq 'json';
3b69df7a 149 my $ret = render $r->{template}, 'en', title => $r->{title}, %{$r->{params}};
c039d63e 150 [200, ['Content-Type' => 'text/html', @hdrs], [encode 'UTF-8', $ret]]
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151 },
152 },
153
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154 sub (/st/:contest) {
155 response st => 'Standings', {
7468a6a7 156 st => [ contest->standings ],
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157 problems => [
158 map { [$_->id, $_->name] }
159 sort { $a->value <=> $b->value }
160 map { $_->problem } contest->contest_problems],
c039d63e 161 }, 10
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162 },
163
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164 sub (/ed/:contest) {
165 forbid contest->is_running;
166 response ed => 'Editorial of ' . contest->name, db->problem_list(contest => $_{contest}, solution => 1);
167 },
168
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169 sub (/login) {
170 forbid !remote_user;
171
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172 my $return = $env->{HTTP_REFERER} // '/';
173 [303, ['Set-Cookie' => "username=".remote_user->id, Location => $return], []]
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174 },
175
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176 sub (/ct/:contest/log/st) { redirect "/st/$_{contest}" },
177
178 sub (/us/) { response us => 'Users', {us => db->user_list} },
179 sub (/ct/ + ?:owner~) { response ct => 'Contests', db->contest_list(%_) },
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180 sub (/log/ + ?:contest~&:owner~&:page~&:problem~&:private~) {
181 forbid $_{private};
39e2d01a 182 response log => 'Job list', {%{db->job_list(%_)}, maybe contest => $_{contest},}
b8a0fa71 183 },
87ffd88b 184 sub (/pb/ + ?:owner~&:contest~&:private~) {
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185 forbid $_{private};
186 response pb => 'Problems', {%{db->problem_list(%_)}, maybe contest => $_{contest}}
187 },
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188
189 sub (/us/:user) { response us_entry => user->name, db->user_entry($_{user}) },
190 sub (/ct/:contest) { response ct_entry => contest->name, db->contest_entry($_{contest}) },
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191 sub (/log/:job) {
192 forbid job->private;
193 response log_entry => "Job $_{job}", db->job_entry($_{job})
194 },
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195 sub (/pb/:problem + ?contest~) {
196 my (undef, undef, $contest) = @_;
197 $_{contest} = $contest;
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198 return NOT_FOUND if !contest && !problem->is_in_archive || contest && !db->contest_problems->find($_{contest}, $_{problem});
199 forbid problem->is_private;
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200 if (contest && contest->is_running) {
201 forbid !remote_user;
202 $privacy = 'private';
203 }
33ea2780 204 response pb_entry => problem->name, {%{db->problem_entry($_{problem}, $_{contest}, remote_user && remote_user->id)}, maybe contest => $_{contest}};
594d53ba 205 },
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206 sub (/sol/:problem) {
207 forbid !problem->is_in_archive;
208 response sol => 'Solution of ' . problem->name, {solution => db->problem($_{problem})->solution};
209 },
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210
211 sub (/) { redispatch_to '/index' },
cb0122d7 212 sub (/favicon.ico) { redirect '/static/favicon.ico' },
c039d63e 213 sub (/:article) { [200, ['Content-Type' => 'text/html', 'Cache-Control' => 'public, max-age=60', 'X-Forever' => 1], [render_article $_{article}, 'en']] }
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214 },
215
216 sub (POST) {
ca0c7ea2 217 sub (/action/register + %:username=&:password=&:confirm_password=&:name=&:email=&:phone=&:town=&:university=&:country=&:level=) {
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218 return reply 'Parameter too long' if grep { length > 200 } values %_;
219 return reply 'Bad username. Allowed characters are letters, digits and underscores, and the username must be between 2 and 20 characters long.' unless $_{username} =~ USER_REGEX;
220 return reply 'Username already in use' if db->user($_{username});
221 return reply 'The two passwords do not match' unless $_{password} eq $_{confirm_password};
222
ca0c7ea2 223 db->users->create({id => $_{username}, name => $_{name}, email => $_{email}, phone => $_{phone}, town => $_{town}, university => $_{university}, country => $_{country}, level => $_{level}});
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224 db->user($_{username})->set_passphrase($_{password});
225
c039d63e 226 purge '/us/';
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227 reply 'Registered successfully';
228 },
229
230 sub (/action/passwd + %:password=&:new_password=&:confirm_new_password=) {
231 forbid !remote_user;
232 return reply 'Incorrect password' unless remote_user->check_passphrase($_{password});
233 return reply 'The two passwords do not match' unless $_{new_password} eq $_{confirm_new_password};
234 remote_user->set_passphrase($_{new_password});
235 reply 'Password changed successfully';
236 },
237
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238 sub (/action/submit + %:problem=&:contest~&:prog_format=&:source_code~ + *prog~) {
239 my (undef, undef, $prog) = @_;
594d53ba 240 forbid !remote_user;
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241 return reply 'This contest has finished' if contest && contest->is_finished;
242 return reply 'This contest has not yet started' if !admin && contest && contest->is_pending;
31f5eb01 243 return reply 'This problem does not belong to this contest' if !contest && !problem->is_in_archive || contest && !db->contest_problems->find($_{contest}, $_{problem});
08794667 244 return reply 'Maximum source size is 10KB' if ($prog ? $prog->size : length $_{source_code}) > 10 * 1024;
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245 return reply 'You must wait 30 seconds between jobs' if !admin && time <= remote_user->lastjob + 30;
246 remote_user->update({lastjob => time});
247
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248 my $source = $prog ? read_file $prog->path : $_{source_code};
249 unlink $prog->path if $prog;
cb6adaff 250 my $private = (problem->private && !$_{contest}) ? 1 : 0;
b2597e87 251 $private = 1 if contest && contest->is_pending;
31dc8096 252 my $newjob = db->jobs->create({
594d53ba 253 maybe contest => $_{contest},
cb6adaff 254 private => $private,
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255 date => time,
256 extension => FORMAT_EXTENSION->{$_{prog_format}},
257 format => $_{prog_format},
258 problem => $_{problem},
08794667 259 source => $source,
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260 owner => remote_user->id,
261 });
262
c039d63e 263 purge '/log/';
31dc8096 264 [303, [Location => '/log/' . $newjob->id], []]
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265 },
266
267 sub (/action/request-reset + %:username=) {
268 return reply 'Password resets are disabled' unless $ENV{GRUNTMASTER_RESET_FROM};
269 my $user = db->user($_{username});
270 return reply 'No such user' unless $user;
271 my $token = join ':', $user->make_reset_hmac;
272 my $body = <<EOF;
273Someone has requested a password reset for your account.
274
275To reset your password, please submit the reset password form on the
276website using the following information:
277
278Username: $_{username}
279Password: <your new password>
280Reset token: $token
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281
282The token is valid for 24 hours.
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283EOF
284 my $email = Email::Simple->create(
285 header => [
286 From => $ENV{GRUNTMASTER_RESET_FROM},
287 To => $user->email,
288 Subject => 'Password reset token',
289 ],
290 body => $body,
291 );
292
293 my $ok = 0;
294 eval {
295 sendmail $email;
296 $ok = 1;
297 };
298 return reply 'Email sent' if $ok;
299 reply "Failure sending email: $@";
300 },
301
302 sub (/action/reset + %:username=&:password=&:token=) {
303 my $user = db->user($_{username});
304 return reply 'No such user' unless $user;
305 my ($token, $exp) = split ':', $_{token};
62f12c1f 306 return reply 'Reset token is expired' if time >= $exp;
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307 return reply 'Bad reset token' unless $user->make_reset_hmac($exp) eq $token;
308 $user->set_passphrase($_{password});
309 reply 'Password reset successfully';
310 },
594d53ba 311 }
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312}
313
594d53ba 314
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3151;
316__END__
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