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# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
"""
Tests for L{twisted.web.vhost}.
"""
from __future__ import absolute_import, division
from twisted.internet.defer import gatherResults
from twisted.trial.unittest import TestCase
from twisted.web.http import NOT_FOUND
from twisted.web.resource import NoResource
from twisted.web.static import Data
from twisted.web.server import Site
from twisted.web.vhost import (_HostResource,
NameVirtualHost,
VHostMonsterResource)
from twisted.web.test.test_web import DummyRequest
from twisted.web.test._util import _render
class HostResourceTests(TestCase):
"""
Tests for L{_HostResource}.
"""
def test_getChild(self):
"""
L{_HostResource.getChild} returns the proper I{Resource} for the vhost
embedded in the URL. Verify that returning the proper I{Resource}
required changing the I{Host} in the header.
"""
bazroot = Data(b'root data', "")
bazuri = Data(b'uri data', "")
baztest = Data(b'test data', "")
bazuri.putChild(b'test', baztest)
bazroot.putChild(b'uri', bazuri)
hr = _HostResource()
root = NameVirtualHost()
root.default = Data(b'default data', "")
root.addHost(b'baz.com', bazroot)
request = DummyRequest([b'uri', b'test'])
request.prepath = [b'bar', b'http', b'baz.com']
request.site = Site(root)
request.isSecure = lambda: False
request.host = b''
step = hr.getChild(b'baz.com', request) # Consumes rest of path
self.assertIsInstance(step, Data)
request = DummyRequest([b'uri', b'test'])
step = root.getChild(b'uri', request)
self.assertIsInstance(step, NoResource)
class NameVirtualHostTests(TestCase):
"""
Tests for L{NameVirtualHost}.
"""
def test_renderWithoutHost(self):
"""
L{NameVirtualHost.render} returns the result of rendering the
instance's C{default} if it is not L{None} and there is no I{Host}
header in the request.
"""
virtualHostResource = NameVirtualHost()
virtualHostResource.default = Data(b"correct result", "")
request = DummyRequest([''])
self.assertEqual(
virtualHostResource.render(request), b"correct result")
def test_renderWithoutHostNoDefault(self):
"""
L{NameVirtualHost.render} returns a response with a status of I{NOT
FOUND} if the instance's C{default} is L{None} and there is no I{Host}
header in the request.
"""
virtualHostResource = NameVirtualHost()
request = DummyRequest([''])
d = _render(virtualHostResource, request)
def cbRendered(ignored):
self.assertEqual(request.responseCode, NOT_FOUND)
d.addCallback(cbRendered)
return d
def test_renderWithHost(self):
"""
L{NameVirtualHost.render} returns the result of rendering the resource
which is the value in the instance's C{host} dictionary corresponding
to the key indicated by the value of the I{Host} header in the request.
"""
virtualHostResource = NameVirtualHost()
virtualHostResource.addHost(b'example.org', Data(b"winner", ""))
request = DummyRequest([b''])
request.requestHeaders.addRawHeader(b'host', b'example.org')
d = _render(virtualHostResource, request)
def cbRendered(ignored, request):
self.assertEqual(b''.join(request.written), b"winner")
d.addCallback(cbRendered, request)
# The port portion of the Host header should not be considered.
requestWithPort = DummyRequest([b''])
requestWithPort.requestHeaders.addRawHeader(b'host', b'example.org:8000')
dWithPort = _render(virtualHostResource, requestWithPort)
def cbRendered(ignored, requestWithPort):
self.assertEqual(b''.join(requestWithPort.written), b"winner")
dWithPort.addCallback(cbRendered, requestWithPort)
return gatherResults([d, dWithPort])
def test_renderWithUnknownHost(self):
"""
L{NameVirtualHost.render} returns the result of rendering the
instance's C{default} if it is not L{None} and there is no host
matching the value of the I{Host} header in the request.
"""
virtualHostResource = NameVirtualHost()
virtualHostResource.default = Data(b"correct data", "")
request = DummyRequest([b''])
request.requestHeaders.addRawHeader(b'host', b'example.com')
d = _render(virtualHostResource, request)
def cbRendered(ignored):
self.assertEqual(b''.join(request.written), b"correct data")
d.addCallback(cbRendered)
return d
def test_renderWithUnknownHostNoDefault(self):
"""
L{NameVirtualHost.render} returns a response with a status of I{NOT
FOUND} if the instance's C{default} is L{None} and there is no host
matching the value of the I{Host} header in the request.
"""
virtualHostResource = NameVirtualHost()
request = DummyRequest([''])
request.requestHeaders.addRawHeader(b'host', b'example.com')
d = _render(virtualHostResource, request)
def cbRendered(ignored):
self.assertEqual(request.responseCode, NOT_FOUND)
d.addCallback(cbRendered)
return d
def test_renderWithHTMLHost(self):
"""
L{NameVirtualHost.render} doesn't echo unescaped HTML when present in
the I{Host} header.
"""
virtualHostResource = NameVirtualHost()
request = DummyRequest([''])
request.requestHeaders.addRawHeader(b"host", b"<b>example</b>.com")
d = _render(virtualHostResource, request)
def cbRendered(ignored):
self.assertNotIn("<b>", request.written)
d.addCallback(cbRendered)
return d
def test_getChild(self):
"""
L{NameVirtualHost.getChild} returns correct I{Resource} based off
the header and modifies I{Request} to ensure proper prepath and
postpath are set.
"""
virtualHostResource = NameVirtualHost()
leafResource = Data(b"leaf data", "")
leafResource.isLeaf = True
normResource = Data(b"norm data", "")
virtualHostResource.addHost(b'leaf.example.org', leafResource)
virtualHostResource.addHost(b'norm.example.org', normResource)
request = DummyRequest([])
request.requestHeaders.addRawHeader(b'host', b'norm.example.org')
request.prepath = [b'']
self.assertIsInstance(virtualHostResource.getChild(b'', request),
NoResource)
self.assertEqual(request.prepath, [b''])
self.assertEqual(request.postpath, [])
request = DummyRequest([])
request.requestHeaders.addRawHeader(b'host', b'leaf.example.org')
request.prepath = [b'']
self.assertIsInstance(virtualHostResource.getChild(b'', request),
Data)
self.assertEqual(request.prepath, [])
self.assertEqual(request.postpath, [b''])
class VHostMonsterResourceTests(TestCase):
"""
Tests for L{VHostMonsterResource}.
"""
def test_getChild(self):
"""
L{VHostMonsterResource.getChild} returns I{_HostResource} and modifies
I{Request} with correct L{Request.isSecure}.
"""
vhm = VHostMonsterResource()
request = DummyRequest([])
self.assertIsInstance(vhm.getChild(b'http', request), _HostResource)
self.assertFalse(request.isSecure())
request = DummyRequest([])
self.assertIsInstance(vhm.getChild(b'https', request), _HostResource)
self.assertTrue(request.isSecure())