summaryrefslogtreecommitdiff
path: root/rt/t/web/csrf.t
blob: 24aae40a1063476b5e645e290ef76fb49fbf8c7a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
use strict;
use warnings;

use RT::Test tests => undef;

my $ticket = RT::Ticket->new(RT::CurrentUser->new('root'));
my ($ok, $msg) = $ticket->Create(Queue => 1, Owner => 'nobody', Subject => 'bad music');
ok($ok);
my $other = RT::Test->load_or_create_queue(Name => "Other queue", Disabled => 0);
my $other_queue_id = $other->id;

my ($baseurl, $m) = RT::Test->started_ok;

my $test_page = "/Ticket/Create.html?Queue=1";
my $test_path = "/Ticket/Create.html";

ok $m->login, 'logged in';

# valid referer
$m->add_header(Referer => $baseurl);
$m->get_ok($test_page);
$m->content_lacks("Possible cross-site request forgery");
$m->title_is('Create a new ticket');

# off-site referer BUT provides auth
$m->add_header(Referer => 'http://example.net');
$m->get_ok("$test_page&user=root&pass=password");
$m->content_lacks("Possible cross-site request forgery");
$m->title_is('Create a new ticket');

# explicitly no referer BUT provides auth
$m->add_header(Referer => undef);
$m->get_ok("$test_page&user=root&pass=password");
$m->content_lacks("Possible cross-site request forgery");
$m->title_is('Create a new ticket');

# now send a referer from an attacker
$m->add_header(Referer => 'http://example.net');
$m->get_ok($test_page);
$m->content_contains("Possible cross-site request forgery");
$m->content_contains("If you really intended to visit <tt>/Ticket/Create.html</tt>");
$m->content_contains("the Referrer header supplied by your browser (example.net:80) is not allowed");
$m->title_is('Possible cross-site request forgery');

# reinstate mech's usual header policy
$m->delete_header('Referer');

# clicking the resume request button gets us to the test page
$m->follow_link(text_regex => qr{resume your request});
$m->content_lacks("Possible cross-site request forgery");
like($m->response->request->uri, qr{^http://[^/]+\Q$test_path\E\?CSRF_Token=\w+$});
$m->title_is('Create a new ticket');

# try a whitelisted argument from an attacker
$m->add_header(Referer => 'http://example.net');
$m->get_ok("/Ticket/Display.html?id=1");
$m->content_lacks("Possible cross-site request forgery");
$m->title_is('#1: bad music');

# now a non-whitelisted argument
$m->get_ok("/Ticket/Display.html?id=1&Action=Take");
$m->content_contains("Possible cross-site request forgery");
$m->content_contains("If you really intended to visit <tt>/Ticket/Display.html</tt>");
$m->content_contains("the Referrer header supplied by your browser (example.net:80) is not allowed");
$m->title_is('Possible cross-site request forgery');

$m->delete_header('Referer');
$m->follow_link(text_regex => qr{resume your request});
$m->content_lacks("Possible cross-site request forgery");
like($m->response->request->uri, qr{^http://[^/]+\Q/Ticket/Display.html});
$m->title_is('#1: bad music');
$m->content_contains('Owner changed from Nobody to root');

# force mech to never set referer
$m->add_header(Referer => undef);
$m->get_ok($test_page);
$m->content_contains("Possible cross-site request forgery");
$m->content_contains("If you really intended to visit <tt>/Ticket/Create.html</tt>");
$m->content_contains("your browser did not supply a Referrer header");
$m->title_is('Possible cross-site request forgery');

$m->follow_link(text_regex => qr{resume your request});
$m->content_lacks("Possible cross-site request forgery");
is($m->response->redirects, 0, "no redirection");
like($m->response->request->uri, qr{^http://[^/]+\Q$test_path\E\?CSRF_Token=\w+$});
$m->title_is('Create a new ticket');

# try sending the wrong csrf token, then the right one
$m->add_header(Referer => undef);
$m->get_ok($test_page);
$m->content_contains("Possible cross-site request forgery");
$m->content_contains("If you really intended to visit <tt>/Ticket/Create.html</tt>");
$m->content_contains("your browser did not supply a Referrer header");
$m->title_is('Possible cross-site request forgery');

# Sending a wrong CSRF is just a normal request.  We'll make a request
# with just an invalid token, which means no Queue=, which means
# Create.html errors out.
my $link = $m->find_link(text_regex => qr{resume your request});
(my $broken_url = $link->url) =~ s/(CSRF_Token)=\w+/$1=crud/;
$m->get_ok($broken_url);
$m->content_contains("Queue could not be loaded");
$m->title_is('RT Error');
$m->warning_like(qr/Queue could not be loaded/);

# The token doesn't work for other pages, or other arguments to the same page.
$m->add_header(Referer => undef);
$m->get_ok($test_page);
$m->content_contains("Possible cross-site request forgery");
my ($token) = $m->content =~ m{CSRF_Token=(\w+)};

$m->add_header(Referer => undef);
$m->get_ok("/Admin/Queues/Modify.html?id=new&Name=test&CSRF_Token=$token");
$m->content_contains("Possible cross-site request forgery");
$m->content_contains("If you really intended to visit <tt>/Admin/Queues/Modify.html</tt>");
$m->content_contains("your browser did not supply a Referrer header");
$m->title_is('Possible cross-site request forgery');

$m->follow_link(text_regex => qr{resume your request});
$m->content_lacks("Possible cross-site request forgery");
$m->title_is('Configuration for queue test');

# Try the same page, but different query parameters, which are blatted by the token
$m->get_ok("/Ticket/Create.html?Queue=$other_queue_id&CSRF_Token=$token");
$m->content_lacks("Possible cross-site request forgery");
$m->title_is('Create a new ticket');
$m->text_unlike(qr/Queue:\s*Other queue/);
$m->text_like(qr/Queue:\s*General/);

# Ensure that file uploads work across the interstitial
$m->delete_header('Referer');
$m->get_ok($test_page);
$m->content_contains("Create a new ticket", 'ticket create page');
$m->form_name('TicketCreate');
$m->field('Subject', 'Attachments test');

my $logofile = "$RT::MasonComponentRoot/NoAuth/images/bpslogo.png";
open LOGO, "<", $logofile or die "Can't open logo file: $!";
binmode LOGO;
my $logo_contents = do {local $/; <LOGO>};
close LOGO;
$m->field('Attach',  $logofile);

# Lose the referer before the POST
$m->add_header(Referer => undef);
$m->submit;
$m->content_contains("Possible cross-site request forgery");
$m->content_contains("If you really intended to visit <tt>/Ticket/Create.html</tt>");
$m->follow_link(text_regex => qr{resume your request});
$m->content_contains('Download bpslogo.png', 'page has file name');
$m->follow_link_ok({text => "Download bpslogo.png"});
is($m->content, $logo_contents, "Binary content matches");


# now try self-service with CSRF
my $user = RT::User->new(RT->SystemUser);
$user->Create(Name => "SelfService", Password => "chops", Privileged => 0);

$m = RT::Test::Web->new;
$m->get_ok("$baseurl/index.html?user=SelfService&pass=chops");
$m->title_is("Open tickets", "got self-service interface");
$m->content_contains("My open tickets", "got self-service interface");

# post without referer
$m->add_header(Referer => undef);
$m->get_ok("/SelfService/Create.html?Queue=1");
$m->content_contains("Possible cross-site request forgery");
$m->content_contains("If you really intended to visit <tt>/SelfService/Create.html</tt>");
$m->content_contains("your browser did not supply a Referrer header");
$m->title_is('Possible cross-site request forgery');

$m->follow_link(text_regex => qr{resume your request});
$m->content_lacks("Possible cross-site request forgery");
is($m->response->redirects, 0, "no redirection");
like($m->response->request->uri, qr{^http://[^/]+\Q/SelfService/Create.html\E\?CSRF_Token=\w+$});
$m->title_is('Create a ticket');
$m->content_contains('Describe the issue below:');

undef $m;
done_testing;