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One more fix for require_admin
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1 #!/usr/bin/perl -w
2 use v5.14;
3 no if $] >= 5.017011, warnings => 'experimental::smartmatch';
4
5 use Apache2::Authen::Passphrase qw/pwcheck/;
6 use Apache2::AuthzCaps qw/hascaps/;
7 use Gruntmaster::Data;
8 use Plack::App::Gruntmaster;
9 use Plack::Builder;
10 use Plack::Request;
11 use Digest::SHA qw/sha256/;
12 use Log::Log4perl;
13
14 use constant ACCESSLOG_FORMAT => '%{X-Forwarded-For}i|%h %u "%r" %>s %b "%{Referer}i" "%{User-agent}i"';
15 use constant CONTENT_SECURITY_POLICY => q,default-src 'none'; script-src 'self' www.google-analytics.com; style-src 'self'; img-src 'self'; connect-src 'self',;
16
17 $Apache2::AuthzCaps::rootdir = $Apache2::Authen::Passphrase::rootdir;
18 my $word = qr,(\w+),a;
19 my $db = Gruntmaster::Data->connect('dbi:Pg:');
20
21 sub debug {
22 local $Log::Log4perl::caller_depth = $Log::Log4perl::caller_depth + 1;
23 $_[0]->{'psgix.logger'}->({qw/level debug message/ => $_[1]})
24 }
25
26 sub some_auth_required {
27 my $r = Plack::Request->new($_[0]);
28 return 1 if $_[0]->{'gruntmaster.reqadmin'} || $r->path eq '/action/passwd' || $r->path eq '/submit';
29 return 1 if $r->path =~ m,^/ct/$word/pb/$word, && time < $db->contest($1)->stop;
30 ''
31 }
32
33 sub is_problem_private {
34 my $pb = $_[0];
35 return 1 if $db->problem($pb)->private;
36 my $prv = 0;
37 for my $cp ($db->problem($pb)->contest_problems) {
38 $prv = 1;
39 return '' if $cp->contest->start <= time;
40 }
41
42 $prv
43 }
44
45 sub admin_required {
46 local $_ = $_[0];
47 my $env = $_[1];
48 return $db->contest($env->{'gruntmaster.contest'})->owner->id if $env->{'gruntmaster.contest'} && $db->contest($env->{'gruntmaster.contest'})->start > time;
49 return $db->problem($1)->owner->id if m,^/pb/$word, && is_problem_private $1 || $env->{'gruntmaster.problem'} && is_problem_private $env->{'gruntmaster.problem'};
50 return $db->job ($1)->owner->id if m,^/log/(?:src/)?$word, && ($db->job($1)->private || is_problem_private $db->job($1)->problem->id || $db->job($1)->contest && $db->contest($db->job($1)->contest)->start > time);
51 ''
52 }
53
54 sub require_admin {
55 my $app = $_[0];
56 sub {
57 local *__ANON__ = "require_admin_middleware";
58 my $env = $_[0];
59 my $r = Plack::Request->new($env);
60 $env->{'gruntmaster.reqadmin'} = admin_required $r->path, $env;
61 $app->($env)
62 }
63 }
64
65 sub mangle_request {
66 my $app = $_[0];
67 sub {
68 local *__ANON__ = 'mangle_request_middleware';
69 my $env = $_[0];
70 my ($number, $word) = (qr,(\d+),a, qr,(\w+),a);
71 for ($env->{PATH_INFO}) {
72 $env->{'gruntmaster.page'} = $1 if s,/page/$number$,/,;
73 $env->{'gruntmaster.problem'} = $1 if s,^/pb/$word/,/,;
74 $env->{'gruntmaster.contest'} = $1 if s,^/ct/$word/,/,;
75 $env->{'gruntmaster.user'} = $1 if s,^/us/$word/,/,;
76 $env->{'gruntmaster.page'} //= -1 if m,^/log/$,;
77 }
78 $app->($env);
79 }
80 }
81
82 my %authen_cache;
83
84 sub authenticate {
85 my ($user, $pass, $env) = @_;
86 my $cache_key = sha256 "$user:$pass";
87 my $time = $authen_cache{$cache_key} // 0;
88 if ($time >= time - 300) {
89 return 1;
90 } else {
91 delete $authen_cache{$cache_key};
92 }
93
94 return unless eval {
95 pwcheck $user, $pass;
96 1
97 };
98 $authen_cache{$cache_key} = time;
99
100 return if $env->{'gruntmaster.reqadmin'} && $env->{'gruntmaster.reqadmin'} ne $user && !hascaps $user, 'gmadm';
101 1
102 }
103
104 Log::Log4perl->init('log.conf');
105 my $access_logger = Log::Log4perl->get_logger('access');
106 $ENV{DBIC_NULLABLE_KEY_NOWARN} = 1;
107
108 builder {
109 enable_if { $_[0]->{PATH_INFO} eq '/ok' } sub { sub{ [200, [], []] }};
110 enable 'AccessLog', format => ACCESSLOG_FORMAT, logger => sub { $access_logger->info(@_) };
111 enable 'ContentLength';
112 enable Header => set => ['Content-Security-Policy', CONTENT_SECURITY_POLICY];
113 enable_if { $_[0]->{PATH_INFO} =~ qr,^/static/,} Header => set => ['Cache-Control', 'public, max-age=604800'];
114 enable 'Static', path => qr,^/static/,;
115 enable 'Log4perl', category => 'plack';
116 enable \&mangle_request;
117 enable \&require_admin;
118 enable_if \&some_auth_required, 'Auth::Basic', authenticator => \&authenticate, realm => 'Gruntmaster 6000';
119 enable sub { my $app = $_[0]; sub { $_[0]->{'gruntmaster.dbic'} = $db; $app->($_[0]) } };
120 Plack::App::Gruntmaster->to_app
121 }
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