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Support SAML in the user interactive authentication workflow. (#7102)

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Patrick Cloke 2020-04-01 08:48:00 -04:00 • committed by GitHub
parent 468dcc767b
commit b9930d24a0
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11 changed files with 227 additions and 44 deletions
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42
synapse/rest/client/v2_alpha/auth.py
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@ -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")