diff options
Diffstat (limited to 'synapse/handlers')
| -rw-r--r-- | synapse/handlers/identity.py | 163 |
1 files changed, 121 insertions, 42 deletions
diff --git a/synapse/handlers/identity.py b/synapse/handlers/identity.py index d199521b58..583b612dd9 100644 --- a/synapse/handlers/identity.py +++ b/synapse/handlers/identity.py @@ -61,21 +61,76 @@ class IdentityHandler(BaseHandler): return False return True + def _extract_items_from_creds_dict(self, creds): + """ + Retrieve entries from a "credentials" dictionary + + Args: + creds (dict[str, str]): Dictionary of credentials that contain the following keys: + * client_secret|clientSecret: A unique secret str provided by the client + * id_server|idServer: the domain of the identity server to query + * id_access_token: The access token to authenticate to the identity + server with. + + Returns: + tuple(str, str, str|None): A tuple containing the client_secret, the id_server, + and the id_access_token value if available. + """ + client_secret = creds.get("client_secret") or creds.get("clientSecret") + if not client_secret: + raise SynapseError( + 400, "No client_secret in creds", errcode=Codes.MISSING_PARAM + ) + + id_server = creds.get("id_server") or creds.get("idServer") + if not id_server: + raise SynapseError( + 400, "No id_server in creds", errcode=Codes.MISSING_PARAM + ) + + id_access_token = creds.get("id_access_token") + return client_secret, id_server, id_access_token + @defer.inlineCallbacks - def threepid_from_creds(self, creds): - if "id_server" in creds: - id_server = creds["id_server"] - elif "idServer" in creds: - id_server = creds["idServer"] - else: - raise SynapseError(400, "No id_server in creds") + def threepid_from_creds(self, creds, use_v2=True): + """ + Retrieve and validate a threepid identitier from a "credentials" dictionary + + Args: + creds (dict[str, str]): Dictionary of credentials that contain the following keys: + * client_secret|clientSecret: A unique secret str provided by the client + * id_server|idServer: the domain of the identity server to query + * id_access_token: The access token to authenticate to the identity + server with. Required if use_v2 is true + use_v2 (bool): Whether to use v2 Identity Service API endpoints + + Returns: + Deferred[dict[str,str|int]|None]: A dictionary consisting of response params to + the /getValidated3pid endpoint of the Identity Service API, or None if the + threepid was not found + """ + client_secret, id_server, id_access_token = self._extract_items_from_creds_dict( + creds + ) - if "client_secret" in creds: - client_secret = creds["client_secret"] - elif "clientSecret" in creds: - client_secret = creds["clientSecret"] + # If an id_access_token is not supplied, force usage of v1 + if id_access_token is None: + use_v2 = False + + query_params = {"sid": creds["sid"], "client_secret": client_secret} + + # Decide which API endpoint URLs and query parameters to use + if use_v2: + url = "https://%s%s" % ( + id_server, + "/_matrix/identity/v2/3pid/getValidated3pid", + ) + query_params["id_access_token"] = id_access_token else: - raise SynapseError(400, "No client_secret in creds") + url = "https://%s%s" % ( + id_server, + "/_matrix/identity/api/v1/3pid/getValidated3pid", + ) if not self._should_trust_id_server(id_server): logger.warn( @@ -85,43 +140,55 @@ class IdentityHandler(BaseHandler): return None try: - data = yield self.http_client.get_json( - "https://%s%s" - % (id_server, "/_matrix/identity/api/v1/3pid/getValidated3pid"), - {"sid": creds["sid"], "client_secret": client_secret}, - ) + data = yield self.http_client.get_json(url, query_params) + return data if "medium" in data else None except HttpResponseException as e: - logger.info("getValidated3pid failed with Matrix error: %r", e) - raise e.to_synapse_error() + if e.code != 404 or not use_v2: + # Generic failure + logger.info("getValidated3pid failed with Matrix error: %r", e) + raise e.to_synapse_error() - if "medium" in data: - return data - return None + # This identity server is too old to understand Identity Service API v2 + # Attempt v1 endpoint + logger.info("Got 404 when POSTing JSON %s, falling back to v1 URL", url) + return (yield self.threepid_from_creds(creds, use_v2=False)) @defer.inlineCallbacks - def bind_threepid(self, creds, mxid): + def bind_threepid(self, creds, mxid, use_v2=True): + """Bind a 3PID to an identity server + + Args: + creds (dict[str, str]): Dictionary of credentials that contain the following keys: + * client_secret|clientSecret: A unique secret str provided by the client + * id_server|idServer: the domain of the identity server to query + * id_access_token: The access token to authenticate to the identity + server with. Required if use_v2 is true + mxid (str): The MXID to bind the 3PID to + use_v2 (bool): Whether to use v2 Identity Service API endpoints + + Returns: + Deferred[dict]: The response from the identity server + """ logger.debug("binding threepid %r to %s", creds, mxid) - data = None - if "id_server" in creds: - id_server = creds["id_server"] - elif "idServer" in creds: - id_server = creds["idServer"] - else: - raise SynapseError(400, "No id_server in creds") + client_secret, id_server, id_access_token = self._extract_items_from_creds_dict( + creds + ) + + # If an id_access_token is not supplied, force usage of v1 + if id_access_token is None: + use_v2 = False - if "client_secret" in creds: - client_secret = creds["client_secret"] - elif "clientSecret" in creds: - client_secret = creds["clientSecret"] + # Decide which API endpoint URLs to use + bind_data = {"sid": creds["sid"], "client_secret": client_secret, "mxid": mxid} + if use_v2: + bind_url = "https://%s/_matrix/identity/v2/3pid/bind" % (id_server,) + bind_data["id_access_token"] = id_access_token else: - raise SynapseError(400, "No client_secret in creds") + bind_url = "https://%s/_matrix/identity/api/v1/3pid/bind" % (id_server,) try: - data = yield self.http_client.post_json_get_json( - "https://%s%s" % (id_server, "/_matrix/identity/api/v1/3pid/bind"), - {"sid": creds["sid"], "client_secret": client_secret, "mxid": mxid}, - ) + data = yield self.http_client.post_json_get_json(bind_url, bind_data) logger.debug("bound threepid %r to %s", creds, mxid) # Remember where we bound the threepid @@ -131,13 +198,23 @@ class IdentityHandler(BaseHandler): address=data["address"], id_server=id_server, ) + + return data + except HttpResponseException as e: + if e.code != 404 or not use_v2: + logger.error("3PID bind failed with Matrix error: %r", e) + raise e.to_synapse_error() except CodeMessageException as e: data = json.loads(e.msg) # XXX WAT? - return data + return data + + logger.info("Got 404 when POSTing JSON %s, falling back to v1 URL", bind_url) + return (yield self.bind_threepid(creds, mxid, use_v2=False)) @defer.inlineCallbacks def try_unbind_threepid(self, mxid, threepid): - """Removes a binding from an identity server + """Attempt to remove a 3PID from an identity server, or if one is not provided, all + identity servers we're aware the binding is present on Args: mxid (str): Matrix user ID of binding to be removed @@ -188,6 +265,8 @@ class IdentityHandler(BaseHandler): server doesn't support unbinding """ url = "https://%s/_matrix/identity/api/v1/3pid/unbind" % (id_server,) + url_bytes = "/_matrix/identity/api/v1/3pid/unbind".encode("ascii") + content = { "mxid": mxid, "threepid": {"medium": threepid["medium"], "address": threepid["address"]}, @@ -199,7 +278,7 @@ class IdentityHandler(BaseHandler): auth_headers = self.federation_http_client.build_auth_headers( destination=None, method="POST", - url_bytes="/_matrix/identity/api/v1/3pid/unbind".encode("ascii"), + url_bytes=url_bytes, content=content, destination_is=id_server, ) |