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|
use Test::More;
use strict;
use warnings;
use Plack::Test;
use HTTP::Request::Common;
use Plack::Builder;
use Plack::Session::State::Cookie;
my $form = <<FORM;
<html>
<head><title>the form</title></head>
<body>
<form action="/post" method="post">
<input type="text" name="name" />
<input type="submit" />
</form>
</body>
</html>
FORM
my $form_outside = <<FORM;
<html>
<head><title>the form</title></head>
<body>
<form action="http://example.com/post" method="post">
<input type="text" name="name" />
<input type="submit" />
</form>
<form action="http://example.com:80/post" method="post">
<input type="text" name="text" />
<input type="submit" />
</form>
</body>
</html>
FORM
my $form_localhost = <<FORM;
<html>
<head><title>the form</title></head>
<body>
<form action="http://localhost/post" method="post">
<input type="text" name="name" />
<input type="submit" />
</form>
</body>
</html>
FORM
my $form_localhost_port = <<FORM;
<html>
<head><title>the form</title></head>
<body>
<form action="http://localhost:80/post" method="post">
<input type="text" name="name" />
<input type="submit" />
</form>
</body>
</html>
FORM
my $base_app = sub {
my $req = Plack::Request->new(shift);
my $name = $req->param('name') or die 'name not found';
return [ 200, [ 'Content-Type' => 'text/plain' ], [ "Hello " . $name ] ]
};
my $mapped = builder {
mount "/post" => $base_app;
mount "/form/html" => sub { [ 200, [ 'Content-Type' => 'text/html' ], [ $form ] ] };
mount "/form/xhtml" => sub { [ 200, [ 'Content-Type' => 'application/xhtml+xml' ], [ $form ] ] };
mount "/form/text" => sub { [ 200, [ 'Content-Type' => 'text/plain' ], [ $form ] ] };
mount "/form/html-charset" => sub { [ 200, [ 'Content-Type' => 'text/html; charset=UTF-8' ], [ $form ] ] };
mount "/form/xhtml-charset" => sub { [ 200, [ 'Content-Type' => 'application/xhtml+xml; charset=UTF-8' ], [ $form ] ] };
mount "/form/text-charset" => sub { [ 200, [ 'Content-Type' => 'text/plain; charset=UTF-8' ], [ $form ] ] };
mount "/form/html-outside" => sub { [ 200, [ 'Content-Type' => 'text/html' ], [ $form_outside ] ] };
mount "/form/html-localhost" => sub { [ 200, [ 'Content-Type' => 'text/html' ], [ $form_localhost ] ] };
mount "/form/html-localhost-port" => sub { [ 200, [ 'Content-Type' => 'text/html' ], [ $form_localhost_port ] ] };
};
# normal input
my $app1 = builder {
enable 'Session', state => Plack::Session::State::Cookie->new(session_key => 'sid');
enable 'CSRFBlock';
$mapped;
};
# psgix.input.buffered
my $app2 = builder {
enable 'Session', state => Plack::Session::State::Cookie->new(session_key => 'sid');
enable sub {
my $app = shift;
sub {
my $env = shift;
my $req = Plack::Request->new($env);
my $content = $req->content; # <<< force psgix.input.buffered true.
$app->($env);
};
};
enable 'CSRFBlock';
$mapped;
};
for my $app ($app1, $app2) {
test_psgi app => $app, client => sub {
my $cb = shift;
my $res = $cb->(POST "http://localhost/post", [name => 'Plack']);
is $res->code, 403;
my $h_cookie = $res->header('Set-Cookie');
$h_cookie =~ /sid=([^; ]+)/;
my $sid = $1;
ok($sid);
$res = $cb->(POST "http://localhost/post", [name => 'Plack'], Cookie => "sid=$sid");
is $res->code, 403, 'Forbidden for CSRF';
$res = $cb->(POST "http://localhost/post", [SEC => '1234567890123456', name => 'Plack'], Cookie => "sid=$sid");
is $res->code, 403, 'Forbidden for faked token';
$res = $cb->(GET "http://localhost/form/html", Cookie => "sid=$sid");
is $res->code, 200, 'form /form/html';
ok $res->content =~ /<input type="hidden" name="SEC" value="([0-9a-f]{16})" \/>/, 'form_has_token /form/html';
my $token = $1;
# Make sure we *dont* have the meta header here
ok $res->content !~ /<meta name="csrftoken" content="([0-9a-f]{8})"\/>/;
$res = $cb->(GET "http://localhost/form/html-charset", Cookie => "sid=$sid");
is $res->code, 200, 'form /form/html-charset';
ok $res->content =~ /<input type="hidden" name="SEC" value="([0-9a-f]{16})" \/>/, 'form_has_token /form/html-charset';
is $1, $token, 'same token for same sid';
$res = $cb->(GET "http://localhost/form/html-outside", Cookie => "sid=$sid");
is $res->code, 200, 'form /form/html-outside';
ok $res->content !~ /<input type="hidden" name="SEC" value="([0-9a-f]{16})" \/>/, 'form_has_not_token /form/html-outside';
$res = $cb->(GET "http://localhost/form/html-localhost", Cookie => "sid=$sid");
is $res->code, 200, 'form /form/html-localhost';
ok $res->content =~ /<input type="hidden" name="SEC" value="([0-9a-f]{16})" \/>/, 'form_has_token /form/html-localhost';
is $1, $token, 'same token for same sid again';
$res = $cb->(GET "http://localhost/form/html-localhost-port", Cookie => "sid=$sid");
is $res->code, 200, 'form /form/html-localhost-port';
ok $res->content =~ /<input type="hidden" name="SEC" value="([0-9a-f]{16})" \/>/, 'form_has_token /form/html-localhost-port';
is $1, $token, 'same token for same sid again2';
# application/x-www-form-urlencoded
$res = $cb->(POST "http://localhost/post",
[SEC => $token, name => 'Plack'],
Cookie => "sid=$sid",
'Content-Type' => 'application/x-www-form-urlencoded'
);
is $res->code, 200, 'correct token returns 200';
is $res->content, 'Hello Plack', 'name param';
$res = $cb->(POST "http://localhost/post",
[SEC => $token, x => 'x' x 20000, name => 'Plack'],
Cookie => "sid=$sid",
'Content-Type' => 'application/x-www-form-urlencoded'
);
is $res->code, 200, 'correnct token returns 200 / long body';
is $res->content, 'Hello Plack', 'name param / long body';
# multipart/form-data
$res = $cb->(POST "http://localhost/post",
[SEC => $token, name => 'Plack'],
Cookie => "sid=$sid",
'Content-Type' => 'multipart/form-data'
);
is $res->code, 200, 'correct token returns 200 / multipart/form-data';
is $res->content, 'Hello Plack', 'name param / multipart/form-data';
$res = $cb->(POST "http://localhost/post",
[SEC => $token, x => 'x' x 20000, name => 'Plack'],
Cookie => "sid=$sid",
'Content-Type' => 'multipart/form-data'
);
is $res->code, 200, 'correct token returns 200 / long body / multipart/form-data';
is $res->content, 'Hello Plack', 'name param / long body / multipart/form-data';
# application/x-www-form-urlencoded; charset=UTF-8
$res = $cb->(POST "http://localhost/post",
[SEC => $token, name => 'Plack'],
Cookie => "sid=$sid",
'Content-Type' => 'application/x-www-form-urlencoded; chartset=UTF-8'
);
is $res->code, 200, 'correct token returns 200 / charset';
is $res->content, 'Hello Plack', 'name param / charset';
$res = $cb->(POST "http://localhost/post",
[SEC => $token, x => 'x' x 20000, name => 'Plack'],
Cookie => "sid=$sid",
'Content-Type' => 'application/x-www-form-urlencoded; chartset=UTF-8'
);
is $res->code, 200, 'correct token returns 200 / long body / charset';
is $res->content, 'Hello Plack', 'name param / long body /charset';
# multipart/form-data; charset=UTF-8
$res = $cb->(POST "http://localhost/post",
[SEC => $token, name => 'Plack'],
Cookie => "sid=$sid",
'Content-Type' => 'multipart/form-data; chartset=UTF-8'
);
is $res->code, 200, 'correct token returns 200 / long body / multipart/form-data / charset';
is $res->content, 'Hello Plack', 'name param / long body / multipart/form-data / charset';
$res = $cb->(POST "http://localhost/post",
[SEC => $token, x => 'x' x 20000, name => 'Plack'],
Cookie => "sid=$sid",
'Content-Type' => 'multipart/form-data; chartset=UTF-8'
);
is $res->code, 200;
is $res->content, 'Hello Plack';
# supported content-type
$res = $cb->(GET "http://localhost/form/xhtml", Cookie => "sid=$sid");
like $res->content, qr/<input type="hidden" name="SEC" value="$token" \/>/, 'xhtml form has token';
$res = $cb->(GET "http://localhost/form/text", Cookie => "sid=$sid");
unlike $res->content, qr/<input type="hidden" name="SEC" value="$token" \/>/, 'text form has not token';
$res = $cb->(GET "http://localhost/form/xhtml-charset", Cookie => "sid=$sid");
like $res->content, qr/<input type="hidden" name="SEC" value="$token" \/>/, 'xhtml-charset form has token';
$res = $cb->(GET "http://localhost/form/text-charset", Cookie => "sid=$sid");
unlike $res->content, qr/<input type="hidden" name="SEC" value="$token" \/>/, 'text-charset form has token';
};
}; # for my $app ($app1,$app2)
# customized parameter
my $app3 = builder {
enable 'Session', , state => Plack::Session::State::Cookie->new(session_key => 'sid');
enable 'CSRFBlock',
token_length => 8,
parameter_name => 'TKN',
onetime => 1,
blocked => sub {
[ 404,
['Content-Type' => 'text/plain'],
[ 'csrf' ]
]
}
;
$mapped;
};
test_psgi app => $app3, client => sub {
my $cb = shift;
my $res = $cb->(GET "http://localhost/form/xhtml");
is $res->code, 200, 'w/param form';
my $h_cookie = $res->header('Set-Cookie');
$h_cookie =~ /sid=([^; ]+)/;
my $sid = $1;
ok $res->content =~ /<input type="hidden" name="TKN" value="([0-9a-f]{8})" \/>/;
my $token = $1;
$res = $cb->(POST "http://localhost/post", [TKN => $token, name => 'Plack'], Cookie => "sid=$sid");
is $res->code, 200, 'w/param:onetime token use firsttime';
$res = $cb->(POST "http://localhost/post", [TKN => $token, name => 'Plack'], Cookie => "sid=$sid");
is $res->code, 404, 'w/param:onetime second token use';
is $res->content, 'csrf', 'w/param:blocked custom blocked app';
for(1..2) {
$res = $cb->(GET "http://localhost/form/xhtml", Cookie => "sid=$sid");
is $res->code, 200, 'w/param form again';
ok $res->content =~ /<input type="hidden" name="TKN" value="([0-9a-f]{8})" \/>/;
isnt $1, $token, 'w/param:onetime token changed';
$token = $1;
$res = $cb->(POST "http://localhost/post", [TKN => $token, name => 'Plack'], Cookie => "sid=$sid");
is $res->code, 200, 'w/param:onetime new token used';
}
$res = $cb->(POST "http://localhost/post", [TKN => $token, name => 'Plack'], Cookie => "sid=$sid");
is $res->code, 404, 'w/param:onetime second token use again';
is $res->content, 'csrf', 'w/param:blocked custom blocked app again';
};
# Test Meta Tag + Header
my $app4 = builder {
enable 'Session',
state => Plack::Session::State::Cookie->new(session_key => 'sid');
enable 'CSRFBlock', token_length => 8, meta_tag => 'csrftoken';
$mapped;
};
test_psgi app => $app4, client => sub {
my $cb = shift;
my $res = $cb->(GET "http://localhost/form/html");
is $res->code, 200;
my $h_cookie = $res->header('Set-Cookie');
$h_cookie =~ /sid=([^; ]+)/;
my $sid = $1;
ok $res->content =~ /<input type="hidden" name="SEC" value="([0-9a-f]{8})" \/>/;
my $token = $1;
ok $res->content =~ /<meta name="csrftoken" content="([0-9a-f]{8})"\/>/;
my $meta_token = $1;
is $token => $meta_token, 'Got correct token in meta tag';
$res = $cb->(
POST "http://localhost/post",
[name => 'Plack'],
Cookie => "sid=$sid", 'X-CSRF-Token' => $meta_token
);
is $res->code, 200, 'w/Token in Header Only';
};
done_testing;
|
