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-rw-r--r--synapse/config/emailconfig.py29
-rw-r--r--synapse/config/logger.py4
-rw-r--r--synapse/config/password.py7
-rw-r--r--synapse/config/ratelimiting.py4
-rw-r--r--synapse/config/registration.py5
-rw-r--r--synapse/config/saml2_config.py33
-rw-r--r--synapse/config/tls.py32
7 files changed, 93 insertions, 21 deletions
diff --git a/synapse/config/emailconfig.py b/synapse/config/emailconfig.py
index cf39936da7..8381b8eb29 100644
--- a/synapse/config/emailconfig.py
+++ b/synapse/config/emailconfig.py
@@ -112,13 +112,17 @@ class EmailConfig(Config):
             missing = []
             for k in required:
                 if k not in email_config:
-                    missing.append(k)
+                    missing.append("email." + k)
+
+            if config.get("public_baseurl") is None:
+                missing.append("public_base_url")
 
             if len(missing) > 0:
                 raise RuntimeError(
-                    "email.password_reset_behaviour is set to 'local' "
-                    "but required keys are missing: %s"
-                    % (", ".join(["email." + k for k in missing]),)
+                    "Password resets emails are configured to be sent from "
+                    "this homeserver due to a partial 'email' block. "
+                    "However, the following required keys are missing: %s"
+                    % (", ".join(missing),)
                 )
 
             # Templates for password reset emails
@@ -156,13 +160,6 @@ class EmailConfig(Config):
                 filepath, "email.password_reset_template_success_html"
             )
 
-            if config.get("public_baseurl") is None:
-                raise RuntimeError(
-                    "email.password_reset_behaviour is set to 'local' but no "
-                    "public_baseurl is set. This is necessary to generate password "
-                    "reset links"
-                )
-
         if self.email_enable_notifs:
             required = [
                 "smtp_host",
@@ -233,11 +230,13 @@ class EmailConfig(Config):
         #   app_name: Matrix
         #
         #   # Enable email notifications by default
+        #   #
         #   notif_for_new_users: True
         #
         #   # Defining a custom URL for Riot is only needed if email notifications
         #   # should contain links to a self-hosted installation of Riot; when set
         #   # the "app_name" setting is ignored
+        #   #
         #   riot_base_url: "http://localhost/riot"
         #
         #   # Enable sending password reset emails via the configured, trusted
@@ -250,16 +249,22 @@ class EmailConfig(Config):
         #   #
         #   # If this option is set to false and SMTP options have not been
         #   # configured, resetting user passwords via email will be disabled
+        #   #
         #   #trust_identity_server_for_password_resets: false
         #
         #   # Configure the time that a validation email or text message code
         #   # will expire after sending
         #   #
         #   # This is currently used for password resets
+        #   #
         #   #validation_token_lifetime: 1h
         #
         #   # Template directory. All template files should be stored within this
-        #   # directory
+        #   # directory. If not set, default templates from within the Synapse
+        #   # package will be used
+        #   #
+        #   # For the list of default templates, please see
+        #   # https://github.com/matrix-org/synapse/tree/master/synapse/res/templates
         #   #
         #   #template_dir: res/templates
         #
diff --git a/synapse/config/logger.py b/synapse/config/logger.py
index 931aec41c0..0f5554211c 100644
--- a/synapse/config/logger.py
+++ b/synapse/config/logger.py
@@ -24,7 +24,7 @@ from twisted.logger import STDLibLogObserver, globalLogBeginner
 
 import synapse
 from synapse.app import _base as appbase
-from synapse.util.logcontext import LoggingContextFilter
+from synapse.logging.context import LoggingContextFilter
 from synapse.util.versionstring import get_version_string
 
 from ._base import Config
@@ -40,7 +40,7 @@ formatters:
 
 filters:
     context:
-        (): synapse.util.logcontext.LoggingContextFilter
+        (): synapse.logging.context.LoggingContextFilter
         request: ""
 
 handlers:
diff --git a/synapse/config/password.py b/synapse/config/password.py
index 598f84fc0c..d5b5953f2f 100644
--- a/synapse/config/password.py
+++ b/synapse/config/password.py
@@ -26,6 +26,7 @@ class PasswordConfig(Config):
             password_config = {}
 
         self.password_enabled = password_config.get("enabled", True)
+        self.password_localdb_enabled = password_config.get("localdb_enabled", True)
         self.password_pepper = password_config.get("pepper", "")
 
     def generate_config_section(self, config_dir_path, server_name, **kwargs):
@@ -35,6 +36,12 @@ class PasswordConfig(Config):
            #
            #enabled: false
 
+           # Uncomment to disable authentication against the local password
+           # database. This is ignored if `enabled` is false, and is only useful
+           # if you have other password_providers.
+           #
+           #localdb_enabled: false
+
            # Uncomment and change to a secret random string for extra security.
            # DO NOT CHANGE THIS AFTER INITIAL SETUP!
            #
diff --git a/synapse/config/ratelimiting.py b/synapse/config/ratelimiting.py
index 8c587f3fd2..33f31cf213 100644
--- a/synapse/config/ratelimiting.py
+++ b/synapse/config/ratelimiting.py
@@ -23,7 +23,7 @@ class RateLimitConfig(object):
 
 class FederationRateLimitConfig(object):
     _items_and_default = {
-        "window_size": 10000,
+        "window_size": 1000,
         "sleep_limit": 10,
         "sleep_delay": 500,
         "reject_limit": 50,
@@ -54,7 +54,7 @@ class RatelimitConfig(Config):
 
         # Load the new-style federation config, if it exists. Otherwise, fall
         # back to the old method.
-        if "federation_rc" in config:
+        if "rc_federation" in config:
             self.rc_federation = FederationRateLimitConfig(**config["rc_federation"])
         else:
             self.rc_federation = FederationRateLimitConfig(
diff --git a/synapse/config/registration.py b/synapse/config/registration.py
index 4a59e6ec90..b895c4e9f4 100644
--- a/synapse/config/registration.py
+++ b/synapse/config/registration.py
@@ -71,9 +71,8 @@ class RegistrationConfig(Config):
         self.default_identity_server = config.get("default_identity_server")
         self.allow_guest_access = config.get("allow_guest_access", False)
 
-        self.invite_3pid_guest = self.allow_guest_access and config.get(
-            "invite_3pid_guest", False
-        )
+        if config.get("invite_3pid_guest", False):
+            raise ConfigError("invite_3pid_guest is no longer supported")
 
         self.auto_join_rooms = config.get("auto_join_rooms", [])
         for room_alias in self.auto_join_rooms:
diff --git a/synapse/config/saml2_config.py b/synapse/config/saml2_config.py
index 872a1ba934..6a8161547a 100644
--- a/synapse/config/saml2_config.py
+++ b/synapse/config/saml2_config.py
@@ -12,6 +12,7 @@
 # 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.
+from synapse.python_dependencies import DependencyException, check_requirements
 
 from ._base import Config, ConfigError
 
@@ -25,6 +26,11 @@ class SAML2Config(Config):
         if not saml2_config or not saml2_config.get("enabled", True):
             return
 
+        try:
+            check_requirements("saml2")
+        except DependencyException as e:
+            raise ConfigError(e.message)
+
         self.saml2_enabled = True
 
         import saml2.config
@@ -37,6 +43,11 @@ class SAML2Config(Config):
         if config_path is not None:
             self.saml2_sp_config.load_file(config_path)
 
+        # session lifetime: in milliseconds
+        self.saml2_session_lifetime = self.parse_duration(
+            saml2_config.get("saml_session_lifetime", "5m")
+        )
+
     def _default_saml_config_dict(self):
         import saml2
 
@@ -72,6 +83,12 @@ class SAML2Config(Config):
         # so it is not normally necessary to specify them unless you need to
         # override them.
         #
+        # 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
+        # use to configure your SAML IdP with. Alternatively, you can manually configure
+        # the IdP to use an ACS location of
+        # https://<server>:<port>/_matrix/saml2/authn_response.
+        #
         #saml2_config:
         #  sp_config:
         #    # point this to the IdP's metadata. You can use either a local file or
@@ -81,7 +98,15 @@ class SAML2Config(Config):
         #      remote:
         #        - url: https://our_idp/metadata.xml
         #
-        #    # The rest of sp_config is just used to generate our metadata xml, and you
+        #    # 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 it, depending on your setup. Alternatively you
         #    # may need a whole lot more detail - see the pysaml2 docs!
         #
@@ -104,6 +129,12 @@ class SAML2Config(Config):
         #  # separate pysaml2 configuration file:
         #  #
         #  config_path: "%(config_dir_path)s/sp_conf.py"
+        #
+        #  # the lifetime of a SAML session. This defines how long a user has to
+        #  # complete the authentication process, if allow_unsolicited is unset.
+        #  # The default is 5 minutes.
+        #  #
+        #  # saml_session_lifetime: 5m
         """ % {
             "config_dir_path": config_dir_path
         }
diff --git a/synapse/config/tls.py b/synapse/config/tls.py
index 8fcf801418..ca508a224f 100644
--- a/synapse/config/tls.py
+++ b/synapse/config/tls.py
@@ -23,7 +23,7 @@ import six
 
 from unpaddedbase64 import encode_base64
 
-from OpenSSL import crypto
+from OpenSSL import SSL, crypto
 from twisted.internet._sslverify import Certificate, trustRootFromCertificates
 
 from synapse.config._base import Config, ConfigError
@@ -81,6 +81,27 @@ class TlsConfig(Config):
             "federation_verify_certificates", True
         )
 
+        # Minimum TLS version to use for outbound federation traffic
+        self.federation_client_minimum_tls_version = str(
+            config.get("federation_client_minimum_tls_version", 1)
+        )
+
+        if self.federation_client_minimum_tls_version not in ["1", "1.1", "1.2", "1.3"]:
+            raise ConfigError(
+                "federation_client_minimum_tls_version must be one of: 1, 1.1, 1.2, 1.3"
+            )
+
+        # Prevent people shooting themselves in the foot here by setting it to
+        # the biggest number blindly
+        if self.federation_client_minimum_tls_version == "1.3":
+            if getattr(SSL, "OP_NO_TLSv1_3", None) is None:
+                raise ConfigError(
+                    (
+                        "federation_client_minimum_tls_version cannot be 1.3, "
+                        "your OpenSSL does not support it"
+                    )
+                )
+
         # Whitelist of domains to not verify certificates for
         fed_whitelist_entries = config.get(
             "federation_certificate_verification_whitelist", []
@@ -261,6 +282,15 @@ class TlsConfig(Config):
         #
         #federation_verify_certificates: false
 
+        # The minimum TLS version that will be used for outbound federation requests.
+        #
+        # Defaults to `1`. Configurable to `1`, `1.1`, `1.2`, or `1.3`. Note
+        # that setting this value higher than `1.2` will prevent federation to most
+        # of the public Matrix network: only configure it to `1.3` if you have an
+        # entirely private federation setup and you can ensure TLS 1.3 support.
+        #
+        #federation_client_minimum_tls_version: 1.2
+
         # Skip federation certificate verification on the following whitelist
         # of domains.
         #