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-rw-r--r--synapse/config/_base.py39
-rw-r--r--synapse/config/_base.pyi2
-rw-r--r--synapse/config/oidc_config.py76
-rw-r--r--synapse/config/ratelimiting.py32
-rw-r--r--synapse/config/registration.py2
-rw-r--r--synapse/config/repository.py19
-rw-r--r--synapse/config/saml2_config.py8
-rw-r--r--synapse/config/server.py99
-rw-r--r--synapse/config/sso.py98
9 files changed, 261 insertions, 114 deletions
diff --git a/synapse/config/_base.py b/synapse/config/_base.py

index 6a0768ce00..a851f8801d 100644 --- a/synapse/config/_base.py +++ b/synapse/config/_base.py
@@ -18,18 +18,18 @@ import argparse import errno import os -import time -import urllib.parse from collections import OrderedDict from hashlib import sha256 from textwrap import dedent -from typing import Any, Callable, Iterable, List, MutableMapping, Optional +from typing import Any, Iterable, List, MutableMapping, Optional import attr import jinja2 import pkg_resources import yaml +from synapse.util.templates import _create_mxc_to_http_filter, _format_ts_filter + class ConfigError(Exception): """Represents a problem parsing the configuration @@ -262,6 +262,7 @@ class Config: # Search the custom template directory as well search_directories.insert(0, custom_template_directory) + # TODO: switch to synapse.util.templates.build_jinja_env loader = jinja2.FileSystemLoader(search_directories) env = jinja2.Environment(loader=loader, autoescape=jinja2.select_autoescape(),) @@ -277,38 +278,6 @@ class Config: return [env.get_template(filename) for filename in filenames] -def _format_ts_filter(value: int, format: str): - return time.strftime(format, time.localtime(value / 1000)) - - -def _create_mxc_to_http_filter(public_baseurl: str) -> Callable: - """Create and return a jinja2 filter that converts MXC urls to HTTP - - Args: - public_baseurl: The public, accessible base URL of the homeserver - """ - - def mxc_to_http_filter(value, width, height, resize_method="crop"): - if value[0:6] != "mxc://": - return "" - - server_and_media_id = value[6:] - fragment = None - if "#" in server_and_media_id: - server_and_media_id, fragment = server_and_media_id.split("#", 1) - fragment = "#" + fragment - - params = {"width": width, "height": height, "method": resize_method} - return "%s_matrix/media/v1/thumbnail/%s?%s%s" % ( - public_baseurl, - server_and_media_id, - urllib.parse.urlencode(params), - fragment or "", - ) - - return mxc_to_http_filter - - class RootConfig: """ Holder of an application's configuration. diff --git a/synapse/config/_base.pyi b/synapse/config/_base.pyi
index 7ed07a801d..70025b5d60 100644 --- a/synapse/config/_base.pyi +++ b/synapse/config/_base.pyi
@@ -54,7 +54,7 @@ class RootConfig: tls: tls.TlsConfig database: database.DatabaseConfig logging: logger.LoggingConfig - ratelimit: ratelimiting.RatelimitConfig + ratelimiting: ratelimiting.RatelimitConfig media: repository.ContentRepositoryConfig captcha: captcha.CaptchaConfig voip: voip.VoipConfig diff --git a/synapse/config/oidc_config.py b/synapse/config/oidc_config.py
index 0162d7f7b0..9d8196d8c3 100644 --- a/synapse/config/oidc_config.py +++ b/synapse/config/oidc_config.py
@@ -14,7 +14,6 @@ # See the License for the specific language governing permissions and # limitations under the License. -import string from collections import Counter from typing import Iterable, Optional, Tuple, Type @@ -54,7 +53,7 @@ class OIDCConfig(Config): "Multiple OIDC providers have the idp_id %r." % idp_id ) - self.oidc_callback_url = self.public_baseurl + "_synapse/oidc/callback" + self.oidc_callback_url = self.public_baseurl + "_synapse/client/oidc/callback" @property def oidc_enabled(self) -> bool: @@ -78,10 +77,14 @@ class OIDCConfig(Config): # offer the user a choice of login mechanisms. # # idp_icon: An optional icon for this identity provider, which is presented - # by identity picker pages. If given, must be an MXC URI of the format - # mxc://<server-name>/<media-id>. (An easy way to obtain such an MXC URI - # is to upload an image to an (unencrypted) room and then copy the "url" - # from the source of the event.) + # by clients and Synapse's own IdP picker page. If given, must be an + # MXC URI of the format mxc://<server-name>/<media-id>. (An easy way to + # obtain such an MXC URI is to upload an image to an (unencrypted) room + # and then copy the "url" from the source of the event.) + # + # idp_brand: An optional brand for this identity provider, allowing clients + # to style the login flow according to the identity provider in question. + # See the spec for possible options here. # # discover: set to 'false' to disable the use of the OIDC discovery mechanism # to discover endpoints. Defaults to true. @@ -142,17 +145,21 @@ class OIDCConfig(Config): # # For the default provider, the following settings are available: # - # sub: name of the claim containing a unique identifier for the - # user. Defaults to 'sub', which OpenID Connect compliant - # providers should provide. + # subject_claim: name of the claim containing a unique identifier + # for the user. Defaults to 'sub', which OpenID Connect + # compliant providers should provide. # # localpart_template: Jinja2 template for the localpart of the MXID. # If this is not set, the user will be prompted to choose their - # own username. + # own username (see 'sso_auth_account_details.html' in the 'sso' + # section of this file). # # display_name_template: Jinja2 template for the display name to set # on first login. If unset, no displayname will be set. # + # email_template: Jinja2 template for the email address of the user. + # If unset, no email address will be added to the account. + # # extra_attributes: a map of Jinja2 templates for extra attributes # to send back to the client during login. # Note that these are non-standard and clients will ignore them @@ -188,6 +195,12 @@ class OIDCConfig(Config): # userinfo_endpoint: "https://accounts.example.com/userinfo" # jwks_uri: "https://accounts.example.com/.well-known/jwks.json" # skip_verification: true + # user_mapping_provider: + # config: + # subject_claim: "id" + # localpart_template: "{{{{ user.login }}}}" + # display_name_template: "{{{{ user.name }}}}" + # email_template: "{{{{ user.email }}}}" # For use with Keycloak # @@ -202,6 +215,7 @@ class OIDCConfig(Config): # #- idp_id: github # idp_name: Github + # idp_brand: org.matrix.github # discover: false # issuer: "https://github.com/" # client_id: "your-client-id" # TO BE FILLED @@ -213,8 +227,8 @@ class OIDCConfig(Config): # user_mapping_provider: # config: # subject_claim: "id" - # localpart_template: "{{ user.login }}" - # display_name_template: "{{ user.name }}" + # localpart_template: "{{{{ user.login }}}}" + # display_name_template: "{{{{ user.name }}}}" """.format( mapping_provider=DEFAULT_USER_MAPPING_PROVIDER ) @@ -225,11 +239,22 @@ OIDC_PROVIDER_CONFIG_SCHEMA = { "type": "object", "required": ["issuer", "client_id", "client_secret"], "properties": { - # TODO: fix the maxLength here depending on what MSC2528 decides - # remember that we prefix the ID given here with `oidc-` - "idp_id": {"type": "string", "minLength": 1, "maxLength": 128}, + "idp_id": { + "type": "string", + "minLength": 1, + # MSC2858 allows a maxlen of 255, but we prefix with "oidc-" + "maxLength": 250, + "pattern": "^[A-Za-z0-9._~-]+$", + }, "idp_name": {"type": "string"}, "idp_icon": {"type": "string"}, + "idp_brand": { + "type": "string", + # MSC2758-style namespaced identifier + "minLength": 1, + "maxLength": 255, + "pattern": "^[a-z][a-z0-9_.-]*$", + }, "discover": {"type": "boolean"}, "issuer": {"type": "string"}, "client_id": {"type": "string"}, @@ -348,25 +373,8 @@ def _parse_oidc_config_dict( config_path + ("user_mapping_provider", "module"), ) - # MSC2858 will apply certain limits in what can be used as an IdP id, so let's - # enforce those limits now. - # TODO: factor out this stuff to a generic function idp_id = oidc_config.get("idp_id", "oidc") - # TODO: update this validity check based on what MSC2858 decides. - valid_idp_chars = set(string.ascii_lowercase + string.digits + "-._") - - if any(c not in valid_idp_chars for c in idp_id): - raise ConfigError( - 'idp_id may only contain a-z, 0-9, "-", ".", "_"', - config_path + ("idp_id",), - ) - - if idp_id[0] not in string.ascii_lowercase: - raise ConfigError( - "idp_id must start with a-z", config_path + ("idp_id",), - ) - # prefix the given IDP with a prefix specific to the SSO mechanism, to avoid # clashes with other mechs (such as SAML, CAS). # @@ -392,6 +400,7 @@ def _parse_oidc_config_dict( idp_id=idp_id, idp_name=oidc_config.get("idp_name", "OIDC"), idp_icon=idp_icon, + idp_brand=oidc_config.get("idp_brand"), discover=oidc_config.get("discover", True), issuer=oidc_config["issuer"], client_id=oidc_config["client_id"], @@ -422,6 +431,9 @@ class OidcProviderConfig: # Optional MXC URI for icon for this IdP. idp_icon = attr.ib(type=Optional[str]) + # Optional brand identifier for this IdP. + idp_brand = attr.ib(type=Optional[str]) + # whether the OIDC discovery mechanism is used to discover endpoints discover = attr.ib(type=bool) diff --git a/synapse/config/ratelimiting.py b/synapse/config/ratelimiting.py
index 14b8836197..def33a60ad 100644 --- a/synapse/config/ratelimiting.py +++ b/synapse/config/ratelimiting.py
@@ -24,7 +24,7 @@ class RateLimitConfig: defaults={"per_second": 0.17, "burst_count": 3.0}, ): self.per_second = config.get("per_second", defaults["per_second"]) - self.burst_count = config.get("burst_count", defaults["burst_count"]) + self.burst_count = int(config.get("burst_count", defaults["burst_count"])) class FederationRateLimitConfig: @@ -102,6 +102,20 @@ class RatelimitConfig(Config): defaults={"per_second": 0.01, "burst_count": 3}, ) + self.rc_3pid_validation = RateLimitConfig( + config.get("rc_3pid_validation") or {}, + defaults={"per_second": 0.003, "burst_count": 5}, + ) + + self.rc_invites_per_room = RateLimitConfig( + config.get("rc_invites", {}).get("per_room", {}), + defaults={"per_second": 0.3, "burst_count": 10}, + ) + self.rc_invites_per_user = RateLimitConfig( + config.get("rc_invites", {}).get("per_user", {}), + defaults={"per_second": 0.003, "burst_count": 5}, + ) + def generate_config_section(self, **kwargs): return """\ ## Ratelimiting ## @@ -131,6 +145,9 @@ class RatelimitConfig(Config): # users are joining rooms the server is already in (this is cheap) vs # "remote" for when users are trying to join rooms not on the server (which # can be more expensive) + # - one for ratelimiting how often a user or IP can attempt to validate a 3PID. + # - two for ratelimiting how often invites can be sent in a room or to a + # specific user. # # The defaults are as shown below. # @@ -164,7 +181,18 @@ class RatelimitConfig(Config): # remote: # per_second: 0.01 # burst_count: 3 - + # + #rc_3pid_validation: + # per_second: 0.003 + # burst_count: 5 + # + #rc_invites: + # per_room: + # per_second: 0.3 + # burst_count: 10 + # per_user: + # per_second: 0.003 + # burst_count: 5 # Ratelimiting settings for incoming federation # diff --git a/synapse/config/registration.py b/synapse/config/registration.py
index ac48913a0b..afb3e0b2a1 100644 --- a/synapse/config/registration.py +++ b/synapse/config/registration.py
@@ -378,6 +378,8 @@ class RegistrationConfig(Config): # By default, any room aliases included in this list will be created # as a publicly joinable room when the first user registers for the # homeserver. This behaviour can be customised with the settings below. + # If the room already exists, make certain it is a publicly joinable + # room. The join rule of the room must be set to 'public'. # #auto_join_rooms: # - "#example:example.com" diff --git a/synapse/config/repository.py b/synapse/config/repository.py
index 850ac3ebd6..fcaea8fb93 100644 --- a/synapse/config/repository.py +++ b/synapse/config/repository.py
@@ -17,9 +17,7 @@ import os from collections import namedtuple from typing import Dict, List -from netaddr import IPSet - -from synapse.config.server import DEFAULT_IP_RANGE_BLACKLIST +from synapse.config.server import DEFAULT_IP_RANGE_BLACKLIST, generate_ip_set from synapse.python_dependencies import DependencyException, check_requirements from synapse.util.module_loader import load_module @@ -187,16 +185,17 @@ class ContentRepositoryConfig(Config): "to work" ) - self.url_preview_ip_range_blacklist = IPSet( - config["url_preview_ip_range_blacklist"] - ) - # we always blacklist '0.0.0.0' and '::', which are supposed to be # unroutable addresses. - self.url_preview_ip_range_blacklist.update(["0.0.0.0", "::"]) + self.url_preview_ip_range_blacklist = generate_ip_set( + config["url_preview_ip_range_blacklist"], + ["0.0.0.0", "::"], + config_path=("url_preview_ip_range_blacklist",), + ) - self.url_preview_ip_range_whitelist = IPSet( - config.get("url_preview_ip_range_whitelist", ()) + self.url_preview_ip_range_whitelist = generate_ip_set( + config.get("url_preview_ip_range_whitelist", ()), + config_path=("url_preview_ip_range_whitelist",), ) self.url_preview_url_blacklist = config.get("url_preview_url_blacklist", ()) diff --git a/synapse/config/saml2_config.py b/synapse/config/saml2_config.py
index f33dfa0d6a..ad865a667f 100644 --- a/synapse/config/saml2_config.py +++ b/synapse/config/saml2_config.py
@@ -194,8 +194,8 @@ class SAML2Config(Config): optional_attributes.add(self.saml2_grandfathered_mxid_source_attribute) optional_attributes -= required_attributes - metadata_url = public_baseurl + "_matrix/saml2/metadata.xml" - response_url = public_baseurl + "_matrix/saml2/authn_response" + metadata_url = public_baseurl + "_synapse/client/saml2/metadata.xml" + response_url = public_baseurl + "_synapse/client/saml2/authn_response" return { "entityid": metadata_url, "service": { @@ -233,10 +233,10 @@ class SAML2Config(Config): # 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 + # https://<server>:<port>/_synapse/client/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. + # https://<server>:<port>/_synapse/client/saml2/authn_response. # saml2_config: # `sp_config` is the configuration for the pysaml2 Service Provider. diff --git a/synapse/config/server.py b/synapse/config/server.py
index 47a0370173..b5e82ba3d0 100644 --- a/synapse/config/server.py +++ b/synapse/config/server.py
@@ -15,6 +15,7 @@ # See the License for the specific language governing permissions and # limitations under the License. +import itertools import logging import os.path import re @@ -23,7 +24,7 @@ from typing import Any, Dict, Iterable, List, Optional, Set import attr import yaml -from netaddr import IPSet +from netaddr import AddrFormatError, IPNetwork, IPSet from synapse.api.room_versions import KNOWN_ROOM_VERSIONS from synapse.util.stringutils import parse_and_validate_server_name @@ -40,6 +41,66 @@ logger = logging.Logger(__name__) # in the list. DEFAULT_BIND_ADDRESSES = ["::", "0.0.0.0"] + +def _6to4(network: IPNetwork) -> IPNetwork: + """Convert an IPv4 network into a 6to4 IPv6 network per RFC 3056.""" + + # 6to4 networks consist of: + # * 2002 as the first 16 bits + # * The first IPv4 address in the network hex-encoded as the next 32 bits + # * The new prefix length needs to include the bits from the 2002 prefix. + hex_network = hex(network.first)[2:] + hex_network = ("0" * (8 - len(hex_network))) + hex_network + return IPNetwork( + "2002:%s:%s::/%d" % (hex_network[:4], hex_network[4:], 16 + network.prefixlen,) + ) + + +def generate_ip_set( + ip_addresses: Optional[Iterable[str]], + extra_addresses: Optional[Iterable[str]] = None, + config_path: Optional[Iterable[str]] = None, +) -> IPSet: + """ + Generate an IPSet from a list of IP addresses or CIDRs. + + Additionally, for each IPv4 network in the list of IP addresses, also + includes the corresponding IPv6 networks. + + This includes: + + * IPv4-Compatible IPv6 Address (see RFC 4291, section 2.5.5.1) + * IPv4-Mapped IPv6 Address (see RFC 4291, section 2.5.5.2) + * 6to4 Address (see RFC 3056, section 2) + + Args: + ip_addresses: An iterable of IP addresses or CIDRs. + extra_addresses: An iterable of IP addresses or CIDRs. + config_path: The path in the configuration for error messages. + + Returns: + A new IP set. + """ + result = IPSet() + for ip in itertools.chain(ip_addresses or (), extra_addresses or ()): + try: + network = IPNetwork(ip) + except AddrFormatError as e: + raise ConfigError( + "Invalid IP range provided: %s." % (ip,), config_path + ) from e + result.add(network) + + # It is possible that these already exist in the set, but that's OK. + if ":" not in str(network): + result.add(IPNetwork(network).ipv6(ipv4_compatible=True)) + result.add(IPNetwork(network).ipv6(ipv4_compatible=False)) + result.add(_6to4(network)) + + return result + + +# IP ranges that are considered private / unroutable / don't make sense. DEFAULT_IP_RANGE_BLACKLIST = [ # Localhost "127.0.0.0/8", @@ -53,6 +114,8 @@ DEFAULT_IP_RANGE_BLACKLIST = [ "192.0.0.0/24", # Link-local networks. "169.254.0.0/16", + # Formerly used for 6to4 relay. + "192.88.99.0/24", # Testing networks. "198.18.0.0/15", "192.0.2.0/24", @@ -66,6 +129,12 @@ DEFAULT_IP_RANGE_BLACKLIST = [ "fe80::/10", # Unique local addresses. "fc00::/7", + # Testing networks. + "2001:db8::/32", + # Multicast. + "ff00::/8", + # Site-local addresses + "fec0::/10", ] DEFAULT_ROOM_VERSION = "6" @@ -294,17 +363,15 @@ class ServerConfig(Config): ) # Attempt to create an IPSet from the given ranges - try: - self.ip_range_blacklist = IPSet(ip_range_blacklist) - except Exception as e: - raise ConfigError("Invalid range(s) provided in ip_range_blacklist.") from e + # Always blacklist 0.0.0.0, :: - self.ip_range_blacklist.update(["0.0.0.0", "::"]) + self.ip_range_blacklist = generate_ip_set( + ip_range_blacklist, ["0.0.0.0", "::"], config_path=("ip_range_blacklist",) + ) - try: - self.ip_range_whitelist = IPSet(config.get("ip_range_whitelist", ())) - except Exception as e: - raise ConfigError("Invalid range(s) provided in ip_range_whitelist.") from e + self.ip_range_whitelist = generate_ip_set( + config.get("ip_range_whitelist", ()), config_path=("ip_range_whitelist",) + ) # The federation_ip_range_blacklist is used for backwards-compatibility # and only applies to federation and identity servers. If it is not given, @@ -312,14 +379,12 @@ class ServerConfig(Config): federation_ip_range_blacklist = config.get( "federation_ip_range_blacklist", ip_range_blacklist ) - try: - self.federation_ip_range_blacklist = IPSet(federation_ip_range_blacklist) - except Exception as e: - raise ConfigError( - "Invalid range(s) provided in federation_ip_range_blacklist." - ) from e # Always blacklist 0.0.0.0, :: - self.federation_ip_range_blacklist.update(["0.0.0.0", "::"]) + self.federation_ip_range_blacklist = generate_ip_set( + federation_ip_range_blacklist, + ["0.0.0.0", "::"], + config_path=("federation_ip_range_blacklist",), + ) self.start_pushers = config.get("start_pushers", True) diff --git a/synapse/config/sso.py b/synapse/config/sso.py
index 59be825532..6c60c6fea4 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 @@ -106,15 +106,19 @@ class SSOConfig(Config): # # When rendering, this template is given the following variables: # * redirect_url: the URL that the user will be redirected to after - # login. Needs manual escaping (see - # https://jinja.palletsprojects.com/en/2.11.x/templates/#html-escaping). + # login. # # * server_name: the homeserver's name. # # * 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: @@ -124,33 +128,101 @@ 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: - # * 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). + # When rendering, this template is given the following variables: + # + # * redirect_url: the URL the user is about to be redirected to. # # * display_url: the same as `redirect_url`, but with the query # parameters stripped. The intention is to have a # human-readable URL to show to users, not to use it as - # the final address to redirect to. Needs manual escaping - # (see https://jinja.palletsprojects.com/en/2.11.x/templates/#html-escaping). + # the final address to redirect to. # # * 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'. # # 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). + # * redirect_url: the URL the user is about to be redirected to. # # * 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'. #