diff --git a/synapse/rest/client/v2_alpha/auth.py b/synapse/rest/client/v2_alpha/auth.py
index 85cf5a14c6..1787562b90 100644
--- a/synapse/rest/client/v2_alpha/auth.py
+++ b/synapse/rest/client/v2_alpha/auth.py
@@ -18,6 +18,7 @@ import logging
from synapse.api.constants import LoginType
from synapse.api.errors import SynapseError
from synapse.api.urls import CLIENT_API_PREFIX
+from synapse.handlers.auth import SUCCESS_TEMPLATE
from synapse.http.server import finish_request
from synapse.http.servlet import RestServlet, parse_string
@@ -89,30 +90,6 @@ TERMS_TEMPLATE = """
</html>
"""
-SUCCESS_TEMPLATE = """
-<html>
-<head>
-<title>Success!</title>
-<meta name='viewport' content='width=device-width, initial-scale=1,
- user-scalable=no, minimum-scale=1.0, maximum-scale=1.0'>
-<link rel="stylesheet" href="/_matrix/static/client/register/style.css">
-<script>
-if (window.onAuthDone) {
- window.onAuthDone();
-} else if (window.opener && window.opener.postMessage) {
- window.opener.postMessage("authDone", "*");
-}
-</script>
-</head>
-<body>
- <div>
- <p>Thank you</p>
- <p>You may now close this window and return to the application</p>
- </div>
-</body>
-</html>
-"""
-
class AuthRestServlet(RestServlet):
"""
@@ -130,6 +107,11 @@ class AuthRestServlet(RestServlet):
self.auth_handler = hs.get_auth_handler()
self.registration_handler = hs.get_registration_handler()
+ # SSO configuration.
+ self._saml_enabled = hs.config.saml2_enabled
+ if self._saml_enabled:
+ self._saml_handler = hs.get_saml_handler()
+
def on_GET(self, request, stagetype):
session = parse_string(request, "session")
if not session:
@@ -150,6 +132,15 @@ class AuthRestServlet(RestServlet):
"myurl": "%s/r0/auth/%s/fallback/web"
% (CLIENT_API_PREFIX, LoginType.TERMS),
}
+
+ elif stagetype == LoginType.SSO and self._saml_enabled:
+ # Display a confirmation page which prompts the user to
+ # re-authenticate with their SSO provider.
+ client_redirect_url = ""
+ sso_redirect_url = self._saml_handler.handle_redirect_request(
+ client_redirect_url, session
+ )
+ html = self.auth_handler.start_sso_ui_auth(sso_redirect_url, session)
else:
raise SynapseError(404, "Unknown auth stage type")
@@ -210,6 +201,9 @@ class AuthRestServlet(RestServlet):
"myurl": "%s/r0/auth/%s/fallback/web"
% (CLIENT_API_PREFIX, LoginType.TERMS),
}
+ elif stagetype == LoginType.SSO:
+ # The SSO fallback workflow should not post here,
+ raise SynapseError(404, "Fallback SSO auth does not support POST requests.")
else:
raise SynapseError(404, "Unknown auth stage type")
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