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[gruntmaster-page.git] / app.psgi

diff --git a/app.psgi b/app.psgi
index 02d6e88f2218e0be2cb1b1442787b8001c63de04..45f746696087a41c88f558137d7d3ba8a04da040 100644 (file)
--- a/app.psgi
+++ b/app.psgi
@@ -1,11 +1,137 @@
 #!/usr/bin/perl -w
 use v5.14;
+no if $] >= 5.017011, warnings => 'experimental::smartmatch';
 
-use Plack::Builder;
+use Apache2::Authen::Passphrase qw/pwcheck/;
+use Apache2::AuthzCaps qw/hascaps/;
+use Gruntmaster::Data;
 use Plack::App::Gruntmaster;
+use Plack::Builder;
+use Plack::Request;
+use Digest::SHA qw/sha256/;
+use Log::Log4perl;
+
+use constant ACCESSLOG_FORMAT => '%{X-Forwarded-For}i|%h %u "%r" %>s %b "%{Referer}i" "%{User-agent}i"';
+use constant CONTENT_SECURITY_POLICY => q,default-src 'none'; script-src 'self' www.google-analytics.com; style-src 'self'; img-src 'self' www.google-analytics.com; connect-src 'self',;
+
+$Apache2::AuthzCaps::rootdir = $Apache2::Authen::Passphrase::rootdir;
+my $word   = qr,(\w+),a;
+my $number = qr,(\d+),a;
+my $db = Gruntmaster::Data->connect('dbi:Pg:');
+
+sub debug {
+       local $Log::Log4perl::caller_depth = $Log::Log4perl::caller_depth + 1;
+       $_[0]->{'psgix.logger'}->({qw/level debug message/ => $_[1]})
+}
+
+sub some_auth_required {
+       my $r = Plack::Request->new($_[0]);
+       return 1 if $_[0]->{'gruntmaster.reqadmin'} || $r->path eq '/action/passwd' || $r->path eq '/submit';
+       return 1 if $r->path =~ m,^/pb/$word, && $_[0]->{'gruntmaster.contest'} && time < $db->contest($_[0]->{'gruntmaster.contest'})->stop;
+       ''
+}
+
+sub is_problem_private {
+       my $pb = $_[0];
+       return 1 if $db->problem($pb)->private;
+       my $prv = 0;
+       for my $cp ($db->problem($pb)->contest_problems) {
+               $prv = 1;
+               return '' if $cp->contest->start <= time;
+       }
+
+       $prv
+}
+
+sub is_problem_in_contest {
+       my ($pb, $ct) = @_;
+       return 1 if $db->contest_problems->find($ct, $pb);
+       return '' if defined $ct;
+       for my $cp ($db->problem($pb)->contest_problems) {
+               return '' if $cp->contest->stop >= time;
+       }
+       1
+}
+
+sub admin_required {
+       local $_ = $_[0];
+       my $env = $_[1];
+       return $db->contest($env->{'gruntmaster.contest'})->owner->id if $env->{'gruntmaster.contest'} && $db->contest($env->{'gruntmaster.contest'})->start > time;
+       return $db->problem($1)->owner->id if m,^/pb/$word, && is_problem_private $1;
+       return $db->problem($1)->owner->id if m,^/pb/$word, && !is_problem_in_contest $1, $env->{'gruntmaster.contest'};
+       return $db->problem($env->{'gruntmaster.problem'}) if $env->{'gruntmaster.problem'} && is_problem_private $env->{'gruntmaster.problem'};
+       return $db->problem($env->{'gruntmaster.problem'}) if $env->{'gruntmaster.problem'} && !is_problem_in_contest $env->{'gruntmaster.problem'}, $env->{'gruntmaster.contest'};
+       return $db->job    ($1)->owner->id if m,^/log/(?:src/)?$number, && $db->job($1)->private;
+       return $db->job    ($1)->owner->id if m,^/log/(?:src/)?$number, && is_problem_private $db->job($1)->problem->id;
+       return $db->job    ($1)->owner->id if m,^/log/(?:src/)?$number, && $db->job($1)->contest && $db->job($1)->contest->stop > time;
+       ''
+}
+
+sub require_admin {
+       my $app = $_[0];
+       sub {
+               local *__ANON__ = "require_admin_middleware";
+               my $env = $_[0];
+               my $r = Plack::Request->new($env);
+               $env->{'gruntmaster.reqadmin'} = admin_required $r->path, $env;
+               $app->($env)
+       }
+}
+
+sub mangle_request {
+       my $app = $_[0];
+       sub {
+               local *__ANON__ = 'mangle_request_middleware';
+               my $env = $_[0];
+               my ($number, $word) = (qr,(\d+),a, qr,(\w+),a);
+               for ($env->{PATH_INFO}) {
+                       $env->{'gruntmaster.page'}    = $1 if s,/page/$number$,/,;
+                       $env->{'gruntmaster.contest'} = $1 if s,^/ct/$word/,/,;
+                       $env->{'gruntmaster.problem'} = $1 if s,^/pb/$word/,/,;
+                       $env->{'gruntmaster.user'}    = $1 if s,^/us/$word/,/,;
+                       $env->{'gruntmaster.page'}  //= -1 if m,^/log/$,;
+               }
+               $app->($env);
+       }
+}
+
+my %authen_cache;
+
+sub authenticate {
+       my ($user, $pass, $env) = @_;
+       my $cache_key = sha256 "$user:$pass";
+       my $time = $authen_cache{$cache_key} // 0;
+       if ($time >= time - 300) {
+               return 1;
+       } else {
+               delete $authen_cache{$cache_key};
+       }
+
+       return unless eval {
+               pwcheck $user, $pass;
+               1
+       };
+       $authen_cache{$cache_key} = time;
+
+       return if $env->{'gruntmaster.reqadmin'} && $env->{'gruntmaster.reqadmin'} ne $user && !hascaps $user, 'gmadm';
+       1
+}
+
+Log::Log4perl->init('log.conf');
+my $access_logger = Log::Log4perl->get_logger('access');
+$ENV{DBIC_NULLABLE_KEY_NOWARN} = 1;
 
 builder {
-       enable 'Static', path => qr,/static/,, pass_through => 1;
-       enable 'Log4perl', category => 'plack', conf => 'log.conf';
+       enable_if { $_[0]->{PATH_INFO} eq '/ok' } sub { sub{ [200, [], []] }};
+       enable 'AccessLog', format => ACCESSLOG_FORMAT, logger => sub { $access_logger->info(@_) };
+       enable 'ContentLength';
+       enable Header => set => ['Content-Security-Policy', CONTENT_SECURITY_POLICY];
+       enable_if { $_[0]->{PATH_INFO} =~ qr,^/static/,} Header => set => ['Cache-Control', 'public, max-age=604800'];
+       enable 'Static', path => qr,^/static/,;
+       enable 'Log4perl', category => 'plack';
+       enable \&mangle_request;
+       enable \&require_admin;
+       enable_if \&some_auth_required, 'Auth::Basic', authenticator => \&authenticate, realm => 'Gruntmaster 6000';
+       enable sub { my $app = $_[0]; sub { $_[0]->{'gruntmaster.dbic'} = $db; $app->($_[0]) } };
        Plack::App::Gruntmaster->to_app
 }