diff options
| -rw-r--r-- | changelog.d/15816.feature | 1 | ||||
| -rw-r--r-- | docs/usage/configuration/config_documentation.md | 2 | ||||
| -rw-r--r-- | synapse/config/cas.py | 13 | ||||
| -rw-r--r-- | synapse/handlers/cas.py | 6 |
4 files changed, 20 insertions, 2 deletions
diff --git a/changelog.d/15816.feature b/changelog.d/15816.feature new file mode 100644 index 0000000000..9248dd6792 --- /dev/null +++ b/changelog.d/15816.feature @@ -0,0 +1 @@ +Add configuration setting for CAS protocol version. Contributed by Aurélien Grimpard. diff --git a/docs/usage/configuration/config_documentation.md b/docs/usage/configuration/config_documentation.md index 743c51d76a..235f873860 100644 --- a/docs/usage/configuration/config_documentation.md +++ b/docs/usage/configuration/config_documentation.md @@ -3420,6 +3420,7 @@ Has the following sub-options: to style the login flow according to the identity provider in question. See the [spec](https://spec.matrix.org/latest/) for possible options here. * `server_url`: The URL of the CAS authorization endpoint. +* `protocol_version`: The CAS protocol version, defaults to none (version 3 is required if you want to use "required_attributes"). * `displayname_attribute`: The attribute of the CAS response to use as the display name. If no name is given here, no displayname will be set. * `required_attributes`: It is possible to configure Synapse to only allow logins if CAS attributes @@ -3433,6 +3434,7 @@ Example configuration: cas_config: enabled: true server_url: "https://cas-server.com" + protocol_version: 3 displayname_attribute: name required_attributes: userGroup: "staff" diff --git a/synapse/config/cas.py b/synapse/config/cas.py index c4e63e7411..6e2d9addbf 100644 --- a/synapse/config/cas.py +++ b/synapse/config/cas.py @@ -18,7 +18,7 @@ from typing import Any, List from synapse.config.sso import SsoAttributeRequirement from synapse.types import JsonDict -from ._base import Config +from ._base import Config, ConfigError from ._util import validate_config @@ -41,6 +41,16 @@ class CasConfig(Config): public_baseurl = self.root.server.public_baseurl self.cas_service_url = public_baseurl + "_matrix/client/r0/login/cas/ticket" + self.cas_protocol_version = cas_config.get("protocol_version") + if ( + self.cas_protocol_version is not None + and self.cas_protocol_version not in [1, 2, 3] + ): + raise ConfigError( + "Unsupported CAS protocol version %s (only versions 1, 2, 3 are supported)" + % (self.cas_protocol_version,), + ("cas_config", "protocol_version"), + ) self.cas_displayname_attribute = cas_config.get("displayname_attribute") required_attributes = cas_config.get("required_attributes") or {} self.cas_required_attributes = _parsed_required_attributes_def( @@ -54,6 +64,7 @@ class CasConfig(Config): else: self.cas_server_url = None self.cas_service_url = None + self.cas_protocol_version = None self.cas_displayname_attribute = None self.cas_required_attributes = [] diff --git a/synapse/handlers/cas.py b/synapse/handlers/cas.py index 5c71637038..a850545453 100644 --- a/synapse/handlers/cas.py +++ b/synapse/handlers/cas.py @@ -67,6 +67,7 @@ class CasHandler: self._cas_server_url = hs.config.cas.cas_server_url self._cas_service_url = hs.config.cas.cas_service_url + self._cas_protocol_version = hs.config.cas.cas_protocol_version self._cas_displayname_attribute = hs.config.cas.cas_displayname_attribute self._cas_required_attributes = hs.config.cas.cas_required_attributes @@ -121,7 +122,10 @@ class CasHandler: Returns: The parsed CAS response. """ - uri = self._cas_server_url + "/proxyValidate" + if self._cas_protocol_version == 3: + uri = self._cas_server_url + "/p3/proxyValidate" + else: + uri = self._cas_server_url + "/proxyValidate" args = { "ticket": ticket, "service": self._build_service_param(service_args), |