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-rw-r--r--synapse/config/sso.py97
1 files changed, 86 insertions, 11 deletions
diff --git a/synapse/config/sso.py b/synapse/config/sso.py
index 366f0d4698..939eeac6de 100644
--- a/synapse/config/sso.py
+++ b/synapse/config/sso.py
@@ -27,7 +27,7 @@ class SSOConfig(Config):
         sso_config = config.get("sso") or {}  # type: Dict[str, Any]
 
         # The sso-specific template_dir
-        template_dir = sso_config.get("template_dir")
+        self.sso_template_dir = sso_config.get("template_dir")
 
         # Read templates from disk
         (
@@ -48,7 +48,7 @@ class SSOConfig(Config):
                 "sso_auth_success.html",
                 "sso_auth_bad_user.html",
             ],
-            template_dir,
+            self.sso_template_dir,
         )
 
         # These templates have no placeholders, so render them here
@@ -64,11 +64,8 @@ class SSOConfig(Config):
         # gracefully to the client). This would make it pointless to ask the user for
         # confirmation, since the URL the confirmation page would be showing wouldn't be
         # the client's.
-        # public_baseurl is an optional setting, so we only add the fallback's URL to the
-        # list if it's provided (because we can't figure out what that URL is otherwise).
-        if self.public_baseurl:
-            login_fallback_url = self.public_baseurl + "_matrix/static/client/login"
-            self.sso_client_whitelist.append(login_fallback_url)
+        login_fallback_url = self.public_baseurl + "_matrix/static/client/login"
+        self.sso_client_whitelist.append(login_fallback_url)
 
     def generate_config_section(self, **kwargs):
         return """\
@@ -86,9 +83,9 @@ class SSOConfig(Config):
             # phishing attacks from evil.site. To avoid this, include a slash after the
             # hostname: "https://my.client/".
             #
-            # If public_baseurl is set, then the login fallback page (used by clients
-            # that don't natively support the required login flows) is whitelisted in
-            # addition to any URLs in this list.
+            # The login fallback page (used by clients that don't natively support the
+            # required login flows) is automatically whitelisted in addition to any URLs
+            # in this list.
             #
             # By default, this list is empty.
             #
@@ -116,8 +113,13 @@ class SSOConfig(Config):
             #
             #     * providers: a list of available Identity Providers. Each element is
             #       an object with the following attributes:
+            #
             #         * idp_id: unique identifier for the IdP
             #         * idp_name: user-facing name for the IdP
+            #         * idp_icon: if specified in the IdP config, an MXC URI for an icon
+            #              for the IdP
+            #         * idp_brand: if specified in the IdP config, a textual identifier
+            #              for the brand of the IdP
             #
             #   The rendered HTML page should contain a form which submits its results
             #   back as a GET request, with the following query parameters:
@@ -127,10 +129,62 @@ class SSOConfig(Config):
             #
             #     * idp: the 'idp_id' of the chosen IDP.
             #
+            # * HTML page to prompt new users to enter a userid and confirm other
+            #   details: 'sso_auth_account_details.html'. This is only shown if the
+            #   SSO implementation (with any user_mapping_provider) does not return
+            #   a localpart.
+            #
+            #   When rendering, this template is given the following variables:
+            #
+            #     * server_name: the homeserver's name.
+            #
+            #     * idp: details of the SSO Identity Provider that the user logged in
+            #       with: an object with the following attributes:
+            #
+            #         * idp_id: unique identifier for the IdP
+            #         * idp_name: user-facing name for the IdP
+            #         * idp_icon: if specified in the IdP config, an MXC URI for an icon
+            #              for the IdP
+            #         * idp_brand: if specified in the IdP config, a textual identifier
+            #              for the brand of the IdP
+            #
+            #     * user_attributes: an object containing details about the user that
+            #       we received from the IdP. May have the following attributes:
+            #
+            #         * display_name: the user's display_name
+            #         * emails: a list of email addresses
+            #
+            #   The template should render a form which submits the following fields:
+            #
+            #     * username: the localpart of the user's chosen user id
+            #
+            # * HTML page allowing the user to consent to the server's terms and
+            #   conditions. This is only shown for new users, and only if
+            #   `user_consent.require_at_registration` is set.
+            #
+            #   When rendering, this template is given the following variables:
+            #
+            #     * server_name: the homeserver's name.
+            #
+            #     * user_id: the user's matrix proposed ID.
+            #
+            #     * user_profile.display_name: the user's proposed display name, if any.
+            #
+            #     * consent_version: the version of the terms that the user will be
+            #       shown
+            #
+            #     * terms_url: a link to the page showing the terms.
+            #
+            #   The template should render a form which submits the following fields:
+            #
+            #     * accepted_version: the version of the terms accepted by the user
+            #       (ie, 'consent_version' from the input variables).
+            #
             # * HTML page for a confirmation step before redirecting back to the client
             #   with the login token: 'sso_redirect_confirm.html'.
             #
-            #   When rendering, this template is given three variables:
+            #   When rendering, this template is given the following variables:
+            #
             #     * redirect_url: the URL the user is about to be redirected to. Needs
             #                     manual escaping (see
             #                     https://jinja.palletsprojects.com/en/2.11.x/templates/#html-escaping).
@@ -143,6 +197,17 @@ class SSOConfig(Config):
             #
             #     * server_name: the homeserver's name.
             #
+            #     * new_user: a boolean indicating whether this is the user's first time
+            #          logging in.
+            #
+            #     * user_id: the user's matrix ID.
+            #
+            #     * user_profile.avatar_url: an MXC URI for the user's avatar, if any.
+            #           None if the user has not set an avatar.
+            #
+            #     * user_profile.display_name: the user's display name. None if the user
+            #           has not set a display name.
+            #
             # * HTML page which notifies the user that they are authenticating to confirm
             #   an operation on their account during the user interactive authentication
             #   process: 'sso_auth_confirm.html'.
@@ -154,6 +219,16 @@ class SSOConfig(Config):
             #
             #     * description: the operation which the user is being asked to confirm
             #
+            #     * idp: details of the Identity Provider that we will use to confirm
+            #       the user's identity: an object with the following attributes:
+            #
+            #         * idp_id: unique identifier for the IdP
+            #         * idp_name: user-facing name for the IdP
+            #         * idp_icon: if specified in the IdP config, an MXC URI for an icon
+            #              for the IdP
+            #         * idp_brand: if specified in the IdP config, a textual identifier
+            #              for the brand of the IdP
+            #
             # * HTML page shown after a successful user interactive authentication session:
             #   'sso_auth_success.html'.
             #