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authorBrendan Abolivier <babolivier@matrix.org>2020-03-02 16:36:32 +0000
committerBrendan Abolivier <babolivier@matrix.org>2020-03-02 16:36:32 +0000
commitb2bd54a2e31d9a248f73fadb184ae9b4cbdb49f9 (patch)
tree409b30e1dfc1bfd0951e5497a9fce4bb6418ce5a /tests
parentCast a coroutine into a Deferred in the federation base (#6996) (diff)
downloadsynapse-b2bd54a2e31d9a248f73fadb184ae9b4cbdb49f9.tar.xz
Add a confirmation step to the SSO login flow
Diffstat (limited to 'tests')
-rw-r--r--tests/rest/client/v1/test_login.py85
1 files changed, 85 insertions, 0 deletions
diff --git a/tests/rest/client/v1/test_login.py b/tests/rest/client/v1/test_login.py
index eae5411325..2b8ad5c753 100644
--- a/tests/rest/client/v1/test_login.py
+++ b/tests/rest/client/v1/test_login.py
@@ -1,4 +1,7 @@
 import json
+import urllib.parse
+
+from mock import Mock
 
 import synapse.rest.admin
 from synapse.rest.client.v1 import login
@@ -252,3 +255,85 @@ class LoginRestServletTestCase(unittest.HomeserverTestCase):
         )
         self.render(request)
         self.assertEquals(channel.code, 200, channel.result)
+
+
+class CASRedirectConfirmTestCase(unittest.HomeserverTestCase):
+
+    servlets = [
+        login.register_servlets,
+    ]
+
+    def make_homeserver(self, reactor, clock):
+        self.base_url = "https://matrix.goodserver.com/"
+        self.redirect_path = "_synapse/client/login/sso/redirect/confirm"
+
+        config = self.default_config()
+        config["enable_registration"] = True
+        config["cas_config"] = {
+            "enabled": True,
+            "server_url": "https://fake.test",
+            "service_url": "https://matrix.goodserver.com:8448",
+        }
+        config["public_baseurl"] = self.base_url
+
+        async def get_raw(uri, args):
+            """Return an example response payload from a call to the `/proxyValidate`
+            endpoint of a CAS server, copied from
+            https://apereo.github.io/cas/5.0.x/protocol/CAS-Protocol-V2-Specification.html#26-proxyvalidate-cas-20
+
+            This needs to be returned by an async function (as opposed to set as the
+            mock's return value) because the corresponding Synapse code awaits on it.
+            """
+            return """
+                <cas:serviceResponse xmlns:cas='http://www.yale.edu/tp/cas'>
+                  <cas:authenticationSuccess>
+                      <cas:user>username</cas:user>
+                      <cas:proxyGrantingTicket>PGTIOU-84678-8a9d...</cas:proxyGrantingTicket>
+                      <cas:proxies>
+                          <cas:proxy>https://proxy2/pgtUrl</cas:proxy>
+                          <cas:proxy>https://proxy1/pgtUrl</cas:proxy>
+                      </cas:proxies>
+                  </cas:authenticationSuccess>
+                </cas:serviceResponse>
+            """
+
+        mocked_http_client = Mock(spec=["get_raw"])
+        mocked_http_client.get_raw.side_effect = get_raw
+
+        self.hs = self.setup_test_homeserver(
+            config=config, proxied_http_client=mocked_http_client,
+        )
+
+        return self.hs
+
+    def test_cas_redirect_confirm(self):
+        """Tests that the SSO login flow serves a confirmation page before redirecting a
+        user to the redirect URL.
+        """
+        base_url = "/login/cas/ticket?redirectUrl"
+        redirect_url = "https://dodgy-site.com/"
+
+        url_parts = list(urllib.parse.urlparse(base_url))
+        query = dict(urllib.parse.parse_qsl(url_parts[4]))
+        query.update({"redirectUrl": redirect_url})
+        query.update({"ticket": "ticket"})
+        url_parts[4] = urllib.parse.urlencode(query)
+        cas_ticket_url = urllib.parse.urlunparse(url_parts)
+
+        # Get Synapse to call the fake CAS and serve the template.
+        request, channel = self.make_request("GET", cas_ticket_url)
+        self.render(request)
+
+        # Test that the response is HTML.
+        content_type_header_value = ""
+        for header in channel.result.get("headers", []):
+            if header[0] == b"Content-Type":
+                content_type_header_value = header[1].decode("utf8")
+
+        self.assertTrue(content_type_header_value.startswith("text/html"))
+
+        # Test that the body isn't empty.
+        self.assertTrue(len(channel.result["body"]) > 0)
+
+        # And that it contains our redirect link
+        self.assertIn(redirect_url, channel.result["body"].decode("UTF-8"))