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Support CAS in UI Auth flows. (#7186)

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Patrick Cloke 2020-04-03 15:35:05 -04:00 • committed by GitHub
parent b0db928c63
commit 694d8bed0e
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5 changed files with 137 additions and 89 deletions
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20
synapse/rest/client/v1/login.py
View file

@ -425,7 +425,9 @@ class CasRedirectServlet(BaseSSORedirectServlet):
self._cas_handler = hs.get_cas_handler()
def get_sso_url(self, client_redirect_url: bytes) -> bytes:
return self._cas_handler.handle_redirect_request(client_redirect_url)
return self._cas_handler.get_redirect_url(
{"redirectUrl": client_redirect_url}
).encode("ascii")
class CasTicketServlet(RestServlet):
@ -436,10 +438,20 @@ class CasTicketServlet(RestServlet):
self._cas_handler = hs.get_cas_handler()
async def on_GET(self, request: SynapseRequest) -> None:
client_redirect_url = parse_string(request, "redirectUrl", required=True)
client_redirect_url = parse_string(request, "redirectUrl")
ticket = parse_string(request, "ticket", required=True)
await self._cas_handler.handle_ticket_request(
request, client_redirect_url, ticket
# Maybe get a session ID (if this ticket is from user interactive
# authentication).
session = parse_string(request, "session")
# Either client_redirect_url or session must be provided.
if not client_redirect_url and not session:
message = "Missing string query parameter redirectUrl or session"
raise SynapseError(400, message, errcode=Codes.MISSING_PARAM)
await self._cas_handler.handle_ticket(
request, ticket, client_redirect_url, session
)

28
synapse/rest/client/v2_alpha/auth.py
View file

@ -111,6 +111,11 @@ class AuthRestServlet(RestServlet):
self._saml_enabled = hs.config.saml2_enabled
if self._saml_enabled:
self._saml_handler = hs.get_saml_handler()
self._cas_enabled = hs.config.cas_enabled
if self._cas_enabled:
self._cas_handler = hs.get_cas_handler()
self._cas_server_url = hs.config.cas_server_url
self._cas_service_url = hs.config.cas_service_url
def on_GET(self, request, stagetype):
session = parse_string(request, "session")
@ -133,14 +138,27 @@ class AuthRestServlet(RestServlet):
% (CLIENT_API_PREFIX, LoginType.TERMS),
}
elif stagetype == LoginType.SSO and self._saml_enabled:
elif stagetype == LoginType.SSO:
# 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
)
if self._cas_enabled:
# Generate a request to CAS that redirects back to an endpoint
# to verify the successful authentication.
sso_redirect_url = self._cas_handler.get_redirect_url(
{"session": session},
)
elif self._saml_enabled:
client_redirect_url = ""
sso_redirect_url = self._saml_handler.handle_redirect_request(
client_redirect_url, session
)
else:
raise SynapseError(400, "Homeserver not configured for SSO.")
html = self.auth_handler.start_sso_ui_auth(sso_redirect_url, session)
else:
raise SynapseError(404, "Unknown auth stage type")