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-rw-r--r--synapse/config/cas.py46
-rw-r--r--synapse/config/oidc_config.py7
-rw-r--r--synapse/config/saml2_config.py81
3 files changed, 80 insertions, 54 deletions
diff --git a/synapse/config/cas.py b/synapse/config/cas.py
index 4526c1a67b..2f97e6d258 100644
--- a/synapse/config/cas.py
+++ b/synapse/config/cas.py
@@ -26,14 +26,14 @@ class CasConfig(Config):
 
     def read_config(self, config, **kwargs):
         cas_config = config.get("cas_config", None)
-        if cas_config:
-            self.cas_enabled = cas_config.get("enabled", True)
+        self.cas_enabled = cas_config and cas_config.get("enabled", True)
+
+        if self.cas_enabled:
             self.cas_server_url = cas_config["server_url"]
             self.cas_service_url = cas_config["service_url"]
             self.cas_displayname_attribute = cas_config.get("displayname_attribute")
-            self.cas_required_attributes = cas_config.get("required_attributes", {})
+            self.cas_required_attributes = cas_config.get("required_attributes") or {}
         else:
-            self.cas_enabled = False
             self.cas_server_url = None
             self.cas_service_url = None
             self.cas_displayname_attribute = None
@@ -41,13 +41,35 @@ class CasConfig(Config):
 
     def generate_config_section(self, config_dir_path, server_name, **kwargs):
         return """
-        # Enable CAS for registration and login.
+        # Enable Central Authentication Service (CAS) for registration and login.
         #
-        #cas_config:
-        #   enabled: true
-        #   server_url: "https://cas-server.com"
-        #   service_url: "https://homeserver.domain.com:8448"
-        #   #displayname_attribute: name
-        #   #required_attributes:
-        #   #    name: value
+        cas_config:
+          # Uncomment the following to enable authorization against a CAS server.
+          # Defaults to false.
+          #
+          #enabled: true
+
+          # The URL of the CAS authorization endpoint.
+          #
+          #server_url: "https://cas-server.com"
+
+          # The public URL of the homeserver.
+          #
+          #service_url: "https://homeserver.domain.com:8448"
+
+          # The attribute of the CAS response to use as the display name.
+          #
+          # If unset, no displayname will be set.
+          #
+          #displayname_attribute: name
+
+          # It is possible to configure Synapse to only allow logins if CAS attributes
+          # match particular values. All of the keys in the mapping below must exist
+          # and the values must match the given value. Alternately if the given value
+          # is None then any value is allowed (the attribute just must exist).
+          # All of the listed attributes must match for the login to be permitted.
+          #
+          #required_attributes:
+          #  userGroup: "staff"
+          #  department: None
         """
diff --git a/synapse/config/oidc_config.py b/synapse/config/oidc_config.py
index 7597fbc864..69d188341c 100644
--- a/synapse/config/oidc_config.py
+++ b/synapse/config/oidc_config.py
@@ -87,11 +87,10 @@ class OIDCConfig(Config):
 
     def generate_config_section(self, config_dir_path, server_name, **kwargs):
         return """\
-        # OpenID Connect integration. The following settings can be used to make Synapse
-        # use an OpenID Connect Provider for authentication, instead of its internal
-        # password database.
+        # Enable OpenID Connect (OIDC) / OAuth 2.0 for registration and login.
         #
-        # See https://github.com/matrix-org/synapse/blob/master/docs/openid.md.
+        # See https://github.com/matrix-org/synapse/blob/master/docs/openid.md
+        # for some example configurations.
         #
         oidc_config:
           # Uncomment the following to enable authorization against an OpenID Connect
diff --git a/synapse/config/saml2_config.py b/synapse/config/saml2_config.py
index 99aa8b3bf1..778750f43b 100644
--- a/synapse/config/saml2_config.py
+++ b/synapse/config/saml2_config.py
@@ -216,10 +216,8 @@ class SAML2Config(Config):
         return """\
         ## Single sign-on integration ##
 
-        # Enable SAML2 for registration and login. Uses pysaml2.
-        #
-        # At least one of `sp_config` or `config_path` must be set in this section to
-        # enable SAML login.
+        # The following settings can be used to make Synapse use a single sign-on
+        # provider for authentication, instead of its internal password database.
         #
         # You will probably also want to set the following options to `false` to
         # disable the regular login/registration flows:
@@ -228,6 +226,11 @@ class SAML2Config(Config):
         #
         # You will also want to investigate the settings under the "sso" configuration
         # section below.
+
+        # Enable SAML2 for registration and login. Uses pysaml2.
+        #
+        # At least one of `sp_config` or `config_path` must be set in this section to
+        # enable SAML login.
         #
         # Once SAML support is enabled, a metadata file will be exposed at
         # https://<server>:<port>/_matrix/saml2/metadata.xml, which you may be able to
@@ -243,40 +246,42 @@ class SAML2Config(Config):
           # so it is not normally necessary to specify them unless you need to
           # override them.
           #
-          #sp_config:
-          #  # point this to the IdP's metadata. You can use either a local file or
-          #  # (preferably) a URL.
-          #  metadata:
-          #    #local: ["saml2/idp.xml"]
-          #    remote:
-          #      - url: https://our_idp/metadata.xml
-          #
-          #  # By default, the user has to go to our login page first. If you'd like
-          #  # to allow IdP-initiated login, set 'allow_unsolicited: true' in a
-          #  # 'service.sp' section:
-          #  #
-          #  #service:
-          #  #  sp:
-          #  #    allow_unsolicited: true
-          #
-          #  # The examples below are just used to generate our metadata xml, and you
-          #  # may well not need them, depending on your setup. Alternatively you
-          #  # may need a whole lot more detail - see the pysaml2 docs!
-          #
-          #  description: ["My awesome SP", "en"]
-          #  name: ["Test SP", "en"]
-          #
-          #  organization:
-          #    name: Example com
-          #    display_name:
-          #      - ["Example co", "en"]
-          #    url: "http://example.com"
-          #
-          #  contact_person:
-          #    - given_name: Bob
-          #      sur_name: "the Sysadmin"
-          #      email_address": ["admin@example.com"]
-          #      contact_type": technical
+          sp_config:
+            # Point this to the IdP's metadata. You must provide either a local
+            # file via the `local` attribute or (preferably) a URL via the
+            # `remote` attribute.
+            #
+            #metadata:
+            #  local: ["saml2/idp.xml"]
+            #  remote:
+            #    - url: https://our_idp/metadata.xml
+
+            # By default, the user has to go to our login page first. If you'd like
+            # to allow IdP-initiated login, set 'allow_unsolicited: true' in a
+            # 'service.sp' section:
+            #
+            #service:
+            #  sp:
+            #    allow_unsolicited: true
+
+            # The examples below are just used to generate our metadata xml, and you
+            # may well not need them, depending on your setup. Alternatively you
+            # may need a whole lot more detail - see the pysaml2 docs!
+
+            #description: ["My awesome SP", "en"]
+            #name: ["Test SP", "en"]
+
+            #organization:
+            #  name: Example com
+            #  display_name:
+            #    - ["Example co", "en"]
+            #  url: "http://example.com"
+
+            #contact_person:
+            #  - given_name: Bob
+            #    sur_name: "the Sysadmin"
+            #    email_address": ["admin@example.com"]
+            #    contact_type": technical
 
           # Instead of putting the config inline as above, you can specify a
           # separate pysaml2 configuration file: