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authorAndrew Morgan <andrew@amorgan.xyz>2020-08-26 12:22:25 +0100
committerAndrew Morgan <andrew@amorgan.xyz>2020-08-26 12:22:25 +0100
commit7affcd01c76f495dfe70dbb9f68d964a2d58b9bd (patch)
tree7a42640f7b1c7bd068332a4fd9dce3c2a0dcecd6 /synapse/handlers/oidc_handler.py
parentSimplify medium and address assignment (diff)
parentAdd functions to `MultiWriterIdGen` used by events stream (#8164) (diff)
downloadsynapse-github/anoa/user_param_ui_auth.tar.xz
Merge branch 'develop' of github.com:matrix-org/synapse into anoa/user_param_ui_auth github/anoa/user_param_ui_auth anoa/user_param_ui_auth
* 'develop' of github.com:matrix-org/synapse: (369 commits)
  Add functions to `MultiWriterIdGen` used by events stream (#8164)
  Do not allow send_nonmember_event to be called with shadow-banned users. (#8158)
  Changelog fixes
  1.19.1rc1
  Make StreamIdGen `get_next` and `get_next_mult` async  (#8161)
  Wording fixes to 'name' user admin api filter (#8163)
  Fix missing double-backtick in RST document
  Search in columns 'name' and 'displayname' in the admin users endpoint (#7377)
  Add type hints for state. (#8140)
  Stop shadow-banned users from sending non-member events. (#8142)
  Allow capping a room's retention policy (#8104)
  Add healthcheck for default localhost 8008 port on /health endpoint. (#8147)
  Fix flaky shadow-ban tests. (#8152)
  Fix join ratelimiter breaking profile updates and idempotency (#8153)
  Do not apply ratelimiting on joins to appservices (#8139)
  Don't fail /submit_token requests on incorrect session ID if request_token_inhibit_3pid_errors is turned on (#7991)
  Do not apply ratelimiting on joins to appservices (#8139)
  Micro-optimisations to get_auth_chain_ids (#8132)
  Allow denying or shadow banning registrations via the spam checker (#8034)
  Stop shadow-banned users from sending invites. (#8095)
  ...
Diffstat (limited to 'synapse/handlers/oidc_handler.py')
-rw-r--r--synapse/handlers/oidc_handler.py53
1 files changed, 31 insertions, 22 deletions
diff --git a/synapse/handlers/oidc_handler.py b/synapse/handlers/oidc_handler.py

index 9c08eb5399..c5bd2fea68 100644 --- a/synapse/handlers/oidc_handler.py +++ b/synapse/handlers/oidc_handler.py
@@ -12,9 +12,8 @@ # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. -import json import logging -from typing import Dict, Generic, List, Optional, Tuple, TypeVar +from typing import TYPE_CHECKING, Dict, Generic, List, Optional, Tuple, TypeVar from urllib.parse import urlencode import attr @@ -35,12 +34,14 @@ from typing_extensions import TypedDict from twisted.web.client import readBody from synapse.config import ConfigError -from synapse.http.server import finish_request +from synapse.http.server import respond_with_html from synapse.http.site import SynapseRequest from synapse.logging.context import make_deferred_yieldable -from synapse.push.mailer import load_jinja2_templates -from synapse.server import HomeServer from synapse.types import UserID, map_username_to_mxid_localpart +from synapse.util import json_decoder + +if TYPE_CHECKING: + from synapse.server import HomeServer logger = logging.getLogger(__name__) @@ -91,7 +92,8 @@ class OidcHandler: """Handles requests related to the OpenID Connect login flow. """ - def __init__(self, hs: HomeServer): + def __init__(self, hs: "HomeServer"): + self.hs = hs self._callback_url = hs.config.oidc_callback_url # type: str self._scopes = hs.config.oidc_scopes # type: List[str] self._client_auth = ClientAuth( @@ -121,9 +123,7 @@ class OidcHandler: self._hostname = hs.hostname # type: str self._server_name = hs.config.server_name # type: str self._macaroon_secret_key = hs.config.macaroon_secret_key - self._error_template = load_jinja2_templates( - hs.config.sso_template_dir, ["sso_error.html"] - )[0] + self._error_template = hs.config.sso_error_template # identifier for the external_ids table self._auth_provider_id = "oidc" @@ -144,15 +144,10 @@ class OidcHandler: access_denied. error_description: A human-readable description of the error. """ - html_bytes = self._error_template.render( + html = self._error_template.render( error=error, error_description=error_description - ).encode("utf-8") - - request.setResponseCode(400) - request.setHeader(b"Content-Type", b"text/html; charset=utf-8") - request.setHeader(b"Content-Length", b"%i" % len(html_bytes)) - request.write(html_bytes) - finish_request(request) + ) + respond_with_html(request, 400, html) def _validate_metadata(self): """Verifies the provider metadata. @@ -373,7 +368,7 @@ class OidcHandler: # and check for an error field. If not, we respond with a generic # error message. try: - resp = json.loads(resp_body.decode("utf-8")) + resp = json_decoder.decode(resp_body.decode("utf-8")) error = resp["error"] description = resp.get("error_description", error) except (ValueError, KeyError): @@ -390,7 +385,7 @@ class OidcHandler: # Since it is a not a 5xx code, body should be a valid JSON. It will # raise if not. - resp = json.loads(resp_body.decode("utf-8")) + resp = json_decoder.decode(resp_body.decode("utf-8")) if "error" in resp: error = resp["error"] @@ -695,9 +690,17 @@ class OidcHandler: self._render_error(request, "invalid_token", str(e)) return + # Pull out the user-agent and IP from the request. + user_agent = request.requestHeaders.getRawHeaders(b"User-Agent", default=[b""])[ + 0 + ].decode("ascii", "surrogateescape") + ip_address = self.hs.get_ip_from_request(request) + # Call the mapper to register/login the user try: - user_id = await self._map_userinfo_to_user(userinfo, token) + user_id = await self._map_userinfo_to_user( + userinfo, token, user_agent, ip_address + ) except MappingException as e: logger.exception("Could not map user") self._render_error(request, "mapping_error", str(e)) @@ -834,7 +837,9 @@ class OidcHandler: now = self._clock.time_msec() return now < expiry - async def _map_userinfo_to_user(self, userinfo: UserInfo, token: Token) -> str: + async def _map_userinfo_to_user( + self, userinfo: UserInfo, token: Token, user_agent: str, ip_address: str + ) -> str: """Maps a UserInfo object to a mxid. UserInfo should have a claim that uniquely identifies users. This claim @@ -849,6 +854,8 @@ class OidcHandler: Args: userinfo: an object representing the user token: a dict with the tokens obtained from the provider + user_agent: The user agent of the client making the request. + ip_address: The IP address of the client making the request. Raises: MappingException: if there was an error while mapping some properties @@ -905,7 +912,9 @@ class OidcHandler: # It's the first time this user is logging in and the mapped mxid was # not taken, register the user registered_user_id = await self._registration_handler.register_user( - localpart=localpart, default_display_name=attributes["display_name"], + localpart=localpart, + default_display_name=attributes["display_name"], + user_agent_ips=(user_agent, ip_address), ) await self._datastore.record_user_external_id(