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|
use strict;
use warnings;
use Test::More 0.88;
use Plack::Middleware::CrossOrigin;
use Plack::Test;
use Plack::Builder;
test_psgi
app => builder {
enable 'CrossOrigin',
origins => '*',
headers => '*',
methods => '*',
credentials => 0,
max_age => 60*60*24*30,
expose_headers => 'X-Exposed-Header',
;
sub { [ 200, [ 'Content-Type' => 'text/plain' ], [ 'Hello World' ] ] };
},
client => sub {
my $cb = shift;
my $req;
my $res;
$req = HTTP::Request->new(GET => 'http://localhost/');
$res = $cb->($req);
is $res->header('Access-Control-Allow-Origin'), undef, 'No CORS headers added with no Origin header';
is $res->header('Vary'), 'Origin', '... but Vary header added';
$req = HTTP::Request->new(GET => 'http://localhost/', [
'Origin' => 'http://www.example.com',
]);
$res = $cb->($req);
is $res->header('Access-Control-Allow-Origin'), '*', 'Access-Control-Allow-Origin header added';
is $res->header('Access-Control-Expose-Headers'), 'X-Exposed-Header', 'Access-Control-Expose-Headers header added';
is $res->header('Access-Control-Max-Age'), undef, 'No Max-Age header for simple request';
is $res->header('Vary'), 'Origin', 'Vary header added';
is $res->content, 'Hello World', "CORS handling doesn't interfere with request content";
$req = HTTP::Request->new(OPTIONS => 'http://localhost/', [
'Access-Control-Request-Method' => 'POST',
'Origin' => 'http://www.example.com',
]);
$res = $cb->($req);
is $res->header('Access-Control-Allow-Origin'), '*', 'Access-Control-Allow-Origin header added for preflight';
is $res->header('Access-Control-Allow-Methods'), 'POST', 'Access-Control-Allow-Methods header added for preflight';
is $res->header('Vary'), 'Origin', 'Vary header added for preflight';
is $res->header('Access-Control-Max-Age'), 60*60*24*30, 'Max-Age header added for preflight';
$req = HTTP::Request->new(OPTIONS => 'http://localhost/', [
'Access-Control-Request-Method' => 'POST',
'Access-Control-Request-Headers' => 'X-Extra-Header',
'Origin' => 'http://www.example.com',
]);
$res = $cb->($req);
ok $res->header('Access-Control-Allow-Origin'), 'Request with extra headers allowed';
is $res->header('Vary'), 'Origin', 'Vary header added';
$req = HTTP::Request->new(GET => 'http://localhost/', [
'Referer' => 'http://www.example.com/page',
'User-Agent' => 'AppleWebKit/534.16',
]);
$res = $cb->($req);
is $res->header('Access-Control-Allow-Origin'), '*', 'Buggy GET request from WebKit includes Allow-Origin header';
is $res->header('Vary'), 'Origin', 'Vary header added';
$req = HTTP::Request->new(GET => 'http://localhost/', [
'Referer' => 'http://www.example.com/page',
'User-Agent' => 'AppleWebKit/534.19',
]);
$res = $cb->($req);
is $res->header('Access-Control-Allow-Origin'), undef, 'New versions of WebKit don\'t trigger referer workaround';
is $res->header('Vary'), 'Origin', 'Vary header added';
my @warnings;
local $SIG{__WARN__} = sub { push @warnings, join '', @_ };
$req = HTTP::Request->new(GET => 'http://localhost/', [
'User-Agent' => 'AppleWebKit/534.16',
]);
$res = $cb->($req);
is $res->header('Access-Control-Allow-Origin'), undef, 'Buggy GET request from WebKit without Referer does not include Allow-Origin header';
is $res->header('Vary'), 'Origin', 'Vary header added';
is_deeply \@warnings, [], 'No warnings from buggy WebKit request';
};
test_psgi
app => builder {
enable 'CrossOrigin',
origins => [ 'http://www.example.com' ],
methods => ['GET', 'POST'],
headers => ['X-Extra-Header', 'X-Extra-Header-2'],
max_age => 60*60*24*30,
expose_headers => '*',
;
sub { [ 200, [
'Content-Type' => 'text/plain',
'X-Some-Other-Header' => 'true',
], [ 'Hello World' ] ] };
},
client => sub {
my $cb = shift;
my $req;
my $res;
$req = HTTP::Request->new(OPTIONS => 'http://localhost/', [
'Access-Control-Request-Method' => 'POST',
'Access-Control-Request-Headers' => 'X-Extra-Header',
'Origin' => 'http://www.example.com',
]);
$res = $cb->($req);
ok $res->header('Access-Control-Allow-Origin'), 'Request with explicitly listed extra header allowed';
is $res->header('Access-Control-Allow-Origin'), 'http://www.example.com', 'Explicitly listed origin returned';
is $res->header('Access-Control-Allow-Headers'), 'X-Extra-Header, X-Extra-Header-2', 'Allowed headers returned';
is $res->header('Access-Control-Allow-Methods'), 'GET, POST', 'Allowed methods returned';
is $res->header('Vary'), 'Origin', 'Vary header added';
$req = HTTP::Request->new(OPTIONS => 'http://localhost/', [
'Access-Control-Request-Method' => 'POST',
'Access-Control-Request-Headers' => 'X-Extra-Header-Other',
'Origin' => 'http://www.example.com',
]);
$res = $cb->($req);
is $res->header('Access-Control-Allow-Origin'), undef, 'Request with unmatched extra header rejected';
is $res->header('Vary'), 'Origin', 'Vary header added';
$req = HTTP::Request->new(OPTIONS => 'http://localhost/', [
'Access-Control-Request-Method' => 'POST',
'Origin' => 'http://www.example2.com',
]);
$res = $cb->($req);
is $res->header('Access-Control-Allow-Origin'), undef, 'Request with unmatched origin rejected';
is $res->header('Vary'), 'Origin', 'Vary header added';
$req = HTTP::Request->new(OPTIONS => 'http://localhost/', [
'Access-Control-Request-Method' => 'DELETE',
'Origin' => 'http://www.example.com',
]);
$res = $cb->($req);
is $res->header('Access-Control-Allow-Origin'), undef, 'Request with unmatched method rejected';
is $res->header('Vary'), 'Origin', 'Vary header added';
$req = HTTP::Request->new(OPTIONS => 'http://localhost/', [
'Origin' => 'http://www.example.com',
]);
$res = $cb->($req);
is $res->content, 'Hello World', 'OPTIONS request without Allow-Origin processes as normal';
is $res->header('Access-Control-Expose-Headers'), 'Vary, X-Some-Other-Header', 'Wildcard expose headers returned';
is $res->header('Vary'), 'Origin', 'Vary header added';
$req = HTTP::Request->new(GET => 'http://localhost/', [
'Referer' => 'http://www.example.com/page',
'User-Agent' => 'AppleWebKit/534.16',
]);
$res = $cb->($req);
is $res->header('Access-Control-Allow-Origin'), 'http://www.example.com', 'Buggy GET request from WebKit includes Allow-Origin header based on referer';
is $res->header('Vary'), 'Origin', 'Vary header added';
$req = HTTP::Request->new(GET => 'http://localhost/', [
'Referer' => 'http://www.example.com/page',
'User-Agent' => 'AppleWebKit/534.19',
]);
$res = $cb->($req);
is $res->header('Access-Control-Allow-Origin'), undef, 'New versions of WebKit don\'t trigger referer workaround';
is $res->header('Vary'), 'Origin', 'Vary header added';
};
test_psgi
app => builder {
enable 'CrossOrigin',
origins => '*',
methods => '*',
credentials => 1,
;
sub { [ 200, [ 'Content-Type' => 'text/plain' ], [ 'Hello World' ] ] };
},
client => sub {
my $cb = shift;
my $req;
my $res;
$req = HTTP::Request->new(OPTIONS => 'http://localhost/', [
'Access-Control-Request-Method' => 'POST',
'Origin' => 'http://www.example.com',
]);
$res = $cb->($req);
is $res->header('Access-Control-Allow-Credentials'), 'true', 'Resource with credentials adds correct header';
is $res->header('Access-Control-Allow-Origin'), 'http://www.example.com', '... and an explicit origin';
is $res->header('Vary'), 'Origin', '... and the Vary header';
};
my $has_run;
test_psgi
app => builder {
enable 'CrossOrigin',
origins => 'http://localhost',
;
sub {
$has_run = 1;
[ 200, [ 'Content-Type' => 'text/plain' ], [ 'Hello World' ] ];
};
},
client => sub {
my $cb = shift;
my $req;
my $res;
$req = HTTP::Request->new(POST => 'http://localhost/', [
'Origin' => 'http://www.example.com',
]);
$res = $cb->($req);
is $res->code, 403, 'Disallowed simple request returns 403 error';
ok ! $has_run, ' ... and aborts before running main app';
is $res->header('Vary'), 'Origin', ' ... but still adds the Vary header';
$has_run = 0;
$req = HTTP::Request->new(GET => 'http://localhost/', [
'Referer' => 'http://www.example.com/page',
'User-Agent' => 'AppleWebKit/534.16',
]);
$res = $cb->($req);
ok $has_run, 'WebKit workaround always allows app to run';
is $res->header('Vary'), 'Origin', 'Vary header added';
};
test_psgi
app => builder {
enable 'CrossOrigin',
origins => 'http://localhost',
continue_on_failure => 1,
;
sub {
$has_run = 1;
[ 200, [ 'Content-Type' => 'text/plain' ], [ 'Hello World' ] ];
};
},
client => sub {
my $cb = shift;
my $req;
my $res;
$has_run = 0;
$req = HTTP::Request->new(POST => 'http://localhost/', [
'Origin' => 'http://www.example.com',
]);
$res = $cb->($req);
ok $has_run, 'continue_on_failure allows main app to run for simple requests';
is $res->code, 200, ' ... and passes through results';
is $res->header('Access-Control-Allow-Origin'), undef, ' ... and doesn\'t add headers to allow CORS';
is $res->header('Vary'), 'Origin', ' ... but adds the Vary header';
$has_run = 0;
$req = HTTP::Request->new(OPTIONS => 'http://localhost/', [
'Access-Control-Request-Method' => 'POST',
'Origin' => 'http://www.example.com',
]);
$res = $cb->($req);
ok ! $has_run, 'continue_on_failure doesn\'t run main app for preflighted request';
is $res->header('Vary'), 'Origin', ' ... but adds the Vary header';
};
{
my @headers = ('Content-Type' => 'text/plain', 'Vary' => 'Accept-Language');
test_psgi
app => builder {
enable 'CrossOrigin',
origins => 'http://localhost',
;
sub {
[ 200, [ @headers ], [ 'Hello World' ] ];
};
},
client => sub {
my $cb = shift;
my $req;
my $res;
$req = HTTP::Request->new(GET => 'http://localhost/', [
'Origin' => 'http://localhost',
]);
$res = $cb->($req);
is $res->header('Vary'), 'Accept-Language, Origin', 'Vary header extended';
unshift @headers, 'Vary' => 'Origin';
$req = HTTP::Request->new(GET => 'http://localhost/', [
'Origin' => 'http://localhost',
]);
$res = $cb->($req);
is $res->header('Vary'), 'Origin, Accept-Language', 'Vary header not duplicated';
};
}
{
# Test that the access control headers are returned as single headers
# with comma-separated values. IE 11 (at least) appears to only evaluate
# the first 'Access-Control-Allow-Headers' header.
#
# We can't use test_psgi for this test because after the PSGI response
# is parsed by HTTP::Response we can no longer tell how the headers were
# actually formatted.
my $app = builder {
enable 'CrossOrigin',
origins => [ 'http://www.example.com' ],
methods => ['GET', 'POST'],
headers => ['X-Extra-Header', 'X-Extra-Header-2'],
expose_headers => ['X-Exposed-Header', 'X-Exposed-Header2'],
;
sub { [ 200, [
'Content-Type' => 'text/plain',
], [ 'Hello World' ] ] };
};
my $req = HTTP::Request->new(OPTIONS => 'http://localhost/', [
'Access-Control-Request-Method' => 'POST',
'Origin' => 'http://www.example.com',
]);
my $res = $app->($req->to_psgi);
is_deeply($res, [
200,
[
'Content-Type' => 'text/plain',
'Vary' => 'Origin',
'Access-Control-Allow-Origin' => 'http://www.example.com',
'Access-Control-Allow-Methods' => 'GET, POST',
'Access-Control-Allow-Headers' => 'X-Extra-Header, X-Extra-Header-2',
'Access-Control-Expose-Headers' => 'X-Exposed-Header, X-Exposed-Header2'
],
[]
], 'headers returned as comma separated values for the benenfit of IE');
}
test_psgi
app => builder {
enable 'CrossOrigin',
origins => [ 'http://*.example.com' ],
;
sub { [ 200, [
'Content-Type' => 'text/plain',
], [ 'Hello World' ] ] };
},
client => sub {
my $cb = shift;
my $req;
my $res;
$req = HTTP::Request->new(GET => 'http://localhost/', [
'Access-Control-Request-Method' => 'GET',
'Origin' => 'http://www.example.com',
]);
$res = $cb->($req);
is $res->header('Access-Control-Allow-Origin'), 'http://www.example.com',
'wildcard as partial domain allowed';
$req = HTTP::Request->new(GET => 'http://localhost/', [
'Access-Control-Request-Method' => 'GET',
'Origin' => 'http://www2.example.com',
]);
$res = $cb->($req);
is $res->header('Access-Control-Allow-Origin'), 'http://www2.example.com',
'wildcard as partial domain matches numbers';
$req = HTTP::Request->new(GET => 'http://localhost/', [
'Access-Control-Request-Method' => 'GET',
'Origin' => 'http://www.example2.com',
]);
$res = $cb->($req);
ok !$res->header('Access-Control-Allow-Origin'),
'non-matching origin not allowed with wildcard';
},
;
done_testing;
|
