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7dc32473 MG |
1 | package Plack::App::Gruntmaster; |
2 | ||
3 | use 5.014000; | |
4 | use strict; | |
7dc32473 MG |
5 | our $VERSION = '5999.000_001'; |
6 | ||
e03e380b MG |
7 | use Apache2::Authen::Passphrase qw/pwcheck pwset/; |
8 | use CSS::Minifier::XS; | |
f34254b8 | 9 | use File::Slurp qw/read_file/; |
e03e380b | 10 | use JavaScript::Minifier::XS; |
7dc32473 | 11 | |
594d53ba MG |
12 | use HTML::Template::Compiled; |
13 | use PerlX::Maybe; | |
14 | use Scope::Upper qw/unwind SUB UP/; | |
15 | ||
16 | use Gruntmaster::Data; | |
17 | use Web::Simple; | |
18 | no warnings FATAL => 'all'; | |
19 | use warnings; | |
20 | no warnings::illegalproto; | |
21 | no if $] >= 5.017011, warnings => 'experimental::smartmatch'; | |
f34254b8 | 22 | |
594d53ba MG |
23 | ################################################## |
24 | ||
25 | sub read_templates { | |
26 | my $name = shift; | |
27 | ||
28 | my %tmpl = map { m/\.(.+)$/; $1 => scalar read_file $_ } <tmpl/$name.*>; | |
29 | my %arti = map { m/\.(.+)$/; $1 => scalar read_file $_ } <a/$name.*>; | |
30 | return %tmpl ? %tmpl : %arti | |
7dc32473 MG |
31 | } |
32 | ||
594d53ba MG |
33 | my %header_templates = read_templates 'header'; |
34 | my %footer_templates = read_templates 'footer'; | |
35 | my %templates; | |
36 | ||
37 | sub render { | |
38 | my ($tmpl, $title, %params) = @_; | |
39 | unless ($templates{$tmpl}) { | |
40 | $templates{$tmpl} = { read_templates $tmpl }; | |
41 | for my $lang (keys $templates{$tmpl}) { | |
42 | my $header = $header_templates{$lang} =~ s/TITLE_GOES_HERE/$title/rg; | |
43 | $templates{$tmpl}{$lang} = $header . $templates{$tmpl}{$lang}; | |
44 | } | |
45 | $templates{$tmpl}{$_} .= $footer_templates{$_} for keys $templates{$tmpl}; | |
46 | ||
e03e380b | 47 | } |
594d53ba MG |
48 | |
49 | my $htc = HTML::Template::Compiled->new(scalarref => \$templates{$tmpl}{en}, default_escape => 'HTML', use_perl => 1); | |
50 | $htc->param(%params); | |
51 | [200, ['Content-Type' => 'text/html'], [$htc->output]] | |
7dc32473 MG |
52 | } |
53 | ||
594d53ba MG |
54 | use constant USER_REGEX => qr/^\w{2,20}$/a; |
55 | ||
e03e380b MG |
56 | use constant CONTENT_TYPES => +{ |
57 | c => 'text/x-csrc', | |
58 | cpp => 'text/x-c++src', | |
59 | cs => 'text/x-csharp', # Used by GNOME. Not in mime.types. | |
60 | java => 'text/x-java', | |
61 | pas => 'text/x-pascal', | |
62 | pl => 'text/x-perl', | |
63 | py => 'text/x-python', | |
64 | }; | |
594d53ba MG |
65 | |
66 | use constant FORMAT_EXTENSION => { | |
67 | C => 'c', | |
68 | CPP => 'cpp', | |
69 | MONO => 'cs', | |
70 | JAVA => 'java', | |
71 | PASCAL => 'pas', | |
72 | PERL => 'pl', | |
73 | PYTHON => 'py', | |
74 | }; | |
75 | ||
e03e380b | 76 | use constant NOT_FOUND => [404, ['Content-Type' => 'text/plain'], ['Not found']]; |
594d53ba MG |
77 | use constant FORBIDDEN => [401, ['Content-Type' => 'text/plain', 'WWW-Authenticate' => ' Basic realm="Gruntmaster 6000"'], ['Forbidden']]; |
78 | ||
79 | my $env; | |
80 | ||
81 | sub db { $env->{'gruntmaster.dbic'} } | |
82 | ||
83 | sub remote_user { | |
84 | my $user = $env->{'gruntmaster.user'}; | |
85 | $user &&= db->user($user); | |
86 | $user | |
87 | } | |
88 | ||
89 | sub admin { remote_user && remote_user->isadmin } | |
90 | sub contest { db->contest ($_{contest}) } | |
91 | sub problem { db->problem ($_{problem}) } | |
92 | sub job { db->job ($_{job}) } | |
93 | sub user { db->user ($_{user}) } | |
94 | ||
95 | sub redirect { [301, ['X-Forever' => 1, 'Location' => $_[0]], []] } | |
96 | sub reply { [200, ['Content-Type' => 'text/plain'], \@_] } | |
97 | sub response { | |
98 | my ($template, $title, $params) = @_; | |
99 | unless ($params) { | |
100 | $params = $title; | |
101 | $title = 'No title'; | |
102 | } | |
103 | bless {template => $template, title => $title, params => $params}, __PACKAGE__.'::Response' | |
104 | } | |
105 | sub forbid { | |
106 | return if !shift || admin; | |
107 | unwind FORBIDDEN, SUB UP | |
108 | } | |
31d70015 | 109 | |
594d53ba MG |
110 | sub dispatch_request{ |
111 | $env = $_[PSGI_ENV]; | |
112 | sub (GET) { | |
113 | sub (/css/:theme) { | |
114 | my $theme = $_{theme}; | |
115 | return NOT_FOUND unless -e "css/themes/$theme.css"; | |
116 | my $css = read_file "css/themes/$theme.css"; | |
117 | $css .= read_file $_ for <css/*.css>; | |
118 | my @headers = ('X-Forever' => 1, 'Cache-Control' => 'public, max-age=604800', 'Content-Type' => 'text/css'); | |
119 | [200, \@headers, [CSS::Minifier::XS::minify $css]] | |
120 | }, | |
121 | ||
122 | sub (/js.js) { | |
123 | my $js; | |
124 | $js .= read_file $_ for <js/*.js>; | |
125 | my @headers = ('X-Forever' => 1, 'Cache-Control' => 'public, max-age=604800', 'Content-Type' => 'application/javascript'); | |
126 | [200, \@headers, [JavaScript::Minifier::XS::minify $js]] | |
127 | }, | |
128 | ||
129 | sub (/src/:job) { | |
130 | return NOT_FOUND if !job; | |
131 | forbid job->private || job->problem->private || job->contest && job->contest->private; | |
132 | my @headers = ('X-Forever' => 1, 'Cache-Control' => 'public, max-age=604800', 'Content-Type' => CONTENT_TYPES->{job->format}); | |
133 | [200, \@headers, [job->source]] | |
134 | }, | |
135 | ||
136 | sub (?:contest=) { | |
137 | return NOT_FOUND if !contest; | |
138 | forbid contest->is_pending; | |
139 | response_filter { return shift } | |
140 | }, | |
141 | ||
142 | sub (?:problem=) { | |
143 | return NOT_FOUND if !problem; | |
144 | forbid problem->is_private; | |
145 | response_filter { return shift } | |
146 | }, | |
147 | ||
148 | sub () { | |
149 | response_filter { | |
150 | my ($r) = @_; | |
151 | return $r if ref $r ne 'Plack::App::Gruntmaster::Response'; | |
152 | return [200, ['Content-Type' => 'application/json', 'X-Forever' => 1], [encode_json $r->{params}]] if $env->{HTTP_ACCEPT} =~ m,^\s*application/json\s*$,g; | |
153 | render $r->{template}, $r->{title}, %{$r->{params}} | |
154 | }, | |
155 | }, | |
156 | ||
157 | sub (/st/) { | |
158 | response st => 'Standings', { st => [db->standings] } | |
159 | }, | |
160 | ||
161 | sub (/st/:contest) { | |
162 | response st => 'Standings', { | |
163 | st => [ db->standings($_{contest}) ], | |
164 | problems => [map { $_->problem } contest->contest_problems] | |
165 | } | |
166 | }, | |
167 | ||
168 | sub (/ct/:contest/log/st) { redirect "/st/$_{contest}" }, | |
169 | ||
170 | sub (/us/) { response us => 'Users', {us => db->user_list} }, | |
171 | sub (/ct/ + ?:owner~) { response ct => 'Contests', db->contest_list(%_) }, | |
172 | sub (/log/ + ?:contest~&:owner~&:page~&:problem~) { response log => 'Job list', {log => db->job_list(%_)} }, | |
173 | sub (/pb/ + ?:owner~&:contest~) { response pb => 'Problems', db->problem_list(%_) }, | |
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) { response log_entry => "Job $_{job}", db->job_entry($_{job}) }, | |
178 | sub (/pb/:problem + ?:contest~) { | |
179 | return NOT_FOUND if !contest && !problem->is_in_archive || contest && !db->contest_problems->find($_{contest}, $_{problem}); | |
180 | forbid problem->is_private; | |
181 | response pb_entry => problem->name, db->problem_entry($_{problem}, $_{contest}, remote_user && remote_user->id); | |
182 | }, | |
183 | ||
184 | sub (/) { redispatch_to '/index' }, | |
185 | ||
186 | sub (/:article) { | |
187 | my $title = read_file "a/$_{article}.en.title"; | |
188 | response $_{article} => $title, {}; | |
189 | } | |
190 | }, | |
191 | ||
192 | sub (POST) { | |
193 | sub (/action/register + %:username=&:password=&:confirm_password=&:name=&:email=&:phone=&:town=&:university=&:level=) { | |
194 | return reply 'Parameter too long' if grep { length > 200 } values %_; | |
195 | return reply 'Bad username. Allowed characters are letters, digits and underscores, and the username must be between 2 and 20 characters long.' unless $_{username} =~ USER_REGEX; | |
196 | return reply 'Username already in use' if db->user($_{username}); | |
197 | return reply 'The two passwords do not match' unless $_{password} eq $_{confirm_password}; | |
198 | ||
199 | db->users->create({id => $_{username}, name => $_{name}, email => $_{email}, phone => $_{phone}, town => $_{town}, university => $_{university}, level => $_{level}}); | |
200 | db->user($_{username})->set_passphrase($_{password}); | |
201 | ||
202 | reply 'Registered successfully'; | |
203 | }, | |
204 | ||
205 | sub (/action/passwd + %:password=&:new_password=&:confirm_new_password=) { | |
206 | forbid !remote_user; | |
207 | return reply 'Incorrect password' unless remote_user->check_passphrase($_{password}); | |
208 | return reply 'The two passwords do not match' unless $_{new_password} eq $_{confirm_new_password}; | |
209 | remote_user->set_passphrase($_{new_password}); | |
210 | reply 'Password changed successfully'; | |
211 | }, | |
212 | ||
213 | sub (/action/submit + %:problem=&:contest~&prog_format=&private~ + *source_code=) { | |
214 | forbid !remote_user; | |
215 | return reply 'This contest has finished' if contest->is_finished; | |
216 | return reply 'This contest has not yet started' if !admin && contest->is_pending; | |
217 | return reply 'Maximum source size is 10KB' if $_{source_code}->size > 25 * 1024; | |
218 | return reply 'You must wait 30 seconds between jobs' if !admin && time <= remote_user->lastjob + 30; | |
219 | remote_user->update({lastjob => time}); | |
220 | ||
221 | my $prog = read_file $_{source_code}->path; | |
222 | unlink $_{source_code}->path; | |
223 | db->jobs->create({ | |
224 | maybe contest => $_{contest}, | |
225 | maybe private => $_{private}, | |
226 | date => time, | |
227 | extension => FORMAT_EXTENSION->{$_{prog_format}}, | |
228 | format => $_{prog_format}, | |
229 | problem => $_{problem}, | |
230 | source => $prog, | |
231 | owner => remote_user->id, | |
232 | }); | |
233 | ||
234 | redirect $_{contest} ? "/log/?contest=$_{contest}" : '/log/'; | |
235 | } | |
236 | } | |
7dc32473 MG |
237 | } |
238 | ||
594d53ba | 239 | |
7dc32473 MG |
240 | 1; |
241 | __END__ |