diff options
Diffstat (limited to 'synapse/rest/client/v1/login.py')
| -rw-r--r-- | synapse/rest/client/v1/login.py | 64 |
1 files changed, 63 insertions, 1 deletions
diff --git a/synapse/rest/client/v1/login.py b/synapse/rest/client/v1/login.py index e580f71964..56e5cf79fe 100644 --- a/synapse/rest/client/v1/login.py +++ b/synapse/rest/client/v1/login.py @@ -15,7 +15,7 @@ from twisted.internet import defer -from synapse.api.errors import SynapseError +from synapse.api.errors import SynapseError, LoginError, Codes from synapse.types import UserID from base import ClientV1RestServlet, client_path_pattern @@ -27,6 +27,9 @@ from saml2 import BINDING_HTTP_POST from saml2 import config from saml2.client import Saml2Client +import xml.etree.ElementTree as ET +import requests + logger = logging.getLogger(__name__) @@ -35,16 +38,23 @@ class LoginRestServlet(ClientV1RestServlet): PATTERN = client_path_pattern("/login$") PASS_TYPE = "m.login.password" SAML2_TYPE = "m.login.saml2" + CAS_TYPE = "m.login.cas" def __init__(self, hs): super(LoginRestServlet, self).__init__(hs) self.idp_redirect_url = hs.config.saml2_idp_redirect_url self.saml2_enabled = hs.config.saml2_enabled + self.cas_enabled = hs.config.cas_enabled + + self.cas_server_url = hs.config.cas_server_url + self.servername = hs.config.server_name def on_GET(self, request): flows = [{"type": LoginRestServlet.PASS_TYPE}] if self.saml2_enabled: flows.append({"type": LoginRestServlet.SAML2_TYPE}) + if self.cas_enabled: + flows.append({"type": LoginRestServlet.CAS_TYPE}) return (200, {"flows": flows}) def on_OPTIONS(self, request): @@ -67,6 +77,12 @@ class LoginRestServlet(ClientV1RestServlet): "uri": "%s%s" % (self.idp_redirect_url, relay_state) } defer.returnValue((200, result)) + elif self.cas_enabled and (login_submission["type"] == LoginRestServlet.CAS_TYPE): + url = "%s/proxyValidate" % (self.cas_server_url) + parameters = {"ticket": login_submission["ticket"], "service": login_submission["service"]} + response = requests.get(url, verify=False, params=parameters) + result = yield self.do_cas_login(response.text) + defer.returnValue(result) else: raise SynapseError(400, "Bad login type.") except KeyError: @@ -100,6 +116,41 @@ class LoginRestServlet(ClientV1RestServlet): defer.returnValue((200, result)) + @defer.inlineCallbacks + def do_cas_login(self, cas_response_body): + root = ET.fromstring(cas_response_body) + if not root.tag.endswith("serviceResponse"): + raise LoginError(401, "Invalid CAS response", errcode=Codes.UNAUTHORIZED) + if not root[0].tag.endswith("authenticationSuccess"): + raise LoginError(401, "Unsuccessful CAS response", errcode=Codes.UNAUTHORIZED) + for child in root[0]: + if child.tag.endswith("user"): + user = child.text + user_id = "@%s:%s" % (user, self.servername) + auth_handler = self.handlers.auth_handler + user_exists = yield auth_handler.does_user_exist(user_id) + if user_exists: + user_id, access_token, refresh_token = yield auth_handler.login_with_cas_user_id(user_id) + result = { + "user_id": user_id, # may have changed + "access_token": access_token, + "refresh_token": refresh_token, + "home_server": self.hs.hostname, + } + + else: + user_id, access_token = yield self.handlers.registration_handler.register(localpart=user) + result = { + "user_id": user_id, # may have changed + "access_token": access_token, + "home_server": self.hs.hostname, + } + + defer.returnValue((200, result)) + + + raise LoginError(401, "Invalid CAS response", errcode=Codes.UNAUTHORIZED) + class LoginFallbackRestServlet(ClientV1RestServlet): PATTERN = client_path_pattern("/login/fallback$") @@ -173,6 +224,15 @@ class SAML2RestServlet(ClientV1RestServlet): defer.returnValue(None) defer.returnValue((200, {"status": "not_authenticated"})) +class CasRestServlet(ClientV1RestServlet): + PATTERN = client_path_pattern("/login/cas") + + def __init__(self, hs): + super(CasRestServlet, self).__init__(hs) + self.cas_server_url = hs.config.cas_server_url + + def on_GET(self, request): + return (200, {"serverUrl": self.cas_server_url}) def _parse_json(request): try: @@ -188,4 +248,6 @@ def register_servlets(hs, http_server): LoginRestServlet(hs).register(http_server) if hs.config.saml2_enabled: SAML2RestServlet(hs).register(http_server) + if hs.config.cas_enabled: + CasRestServlet(hs).register(http_server) # TODO PasswordResetRestServlet(hs).register(http_server) |