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https://github.com/home-assistant/core
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* Use http status codes and add HTTP_BAD_GATEWAY constant * Address review comments: - using constants in tado integration - using constant in media_player init.py * Add and use HTTP_ACCEPTED constant
271 lines
8.5 KiB
Python
271 lines
8.5 KiB
Python
"""HTTP views handle login flow.
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# GET /auth/providers
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Return a list of auth providers. Example:
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[
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{
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"name": "Local",
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"id": null,
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"type": "local_provider",
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}
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]
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# POST /auth/login_flow
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Create a login flow. Will return the first step of the flow.
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Pass in parameter 'client_id' and 'redirect_url' validate by indieauth.
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Pass in parameter 'handler' to specify the auth provider to use. Auth providers
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are identified by type and id.
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And optional parameter 'type' has to set as 'link_user' if login flow used for
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link credential to exist user. Default 'type' is 'authorize'.
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{
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"client_id": "https://hassbian.local:8123/",
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"handler": ["local_provider", null],
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"redirect_url": "https://hassbian.local:8123/",
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"type': "authorize"
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}
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Return value will be a step in a data entry flow. See the docs for data entry
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flow for details.
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{
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"data_schema": [
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{"name": "username", "type": "string"},
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{"name": "password", "type": "string"}
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],
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"errors": {},
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"flow_id": "8f7e42faab604bcab7ac43c44ca34d58",
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"handler": ["insecure_example", null],
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"step_id": "init",
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"type": "form"
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}
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# POST /auth/login_flow/{flow_id}
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Progress the flow. Most flows will be 1 page, but could optionally add extra
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login challenges, like TFA. Once the flow has finished, the returned step will
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have type "create_entry" and "result" key will contain an authorization code.
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The authorization code associated with an authorized user by default, it will
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associate with an credential if "type" set to "link_user" in
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"/auth/login_flow"
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{
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"flow_id": "8f7e42faab604bcab7ac43c44ca34d58",
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"handler": ["insecure_example", null],
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"result": "411ee2f916e648d691e937ae9344681e",
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"title": "Example",
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"type": "create_entry",
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"version": 1
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}
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"""
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from ipaddress import ip_address
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from aiohttp import web
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import voluptuous as vol
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import voluptuous_serialize
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from homeassistant import data_entry_flow
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from homeassistant.components.http.ban import (
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log_invalid_auth,
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process_success_login,
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process_wrong_login,
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)
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from homeassistant.components.http.data_validator import RequestDataValidator
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from homeassistant.components.http.view import HomeAssistantView
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from homeassistant.const import (
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HTTP_BAD_REQUEST,
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HTTP_METHOD_NOT_ALLOWED,
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HTTP_NOT_FOUND,
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)
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from . import indieauth
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async def async_setup(hass, store_result):
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"""Component to allow users to login."""
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hass.http.register_view(AuthProvidersView)
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hass.http.register_view(LoginFlowIndexView(hass.auth.login_flow, store_result))
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hass.http.register_view(LoginFlowResourceView(hass.auth.login_flow, store_result))
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class AuthProvidersView(HomeAssistantView):
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"""View to get available auth providers."""
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url = "/auth/providers"
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name = "api:auth:providers"
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requires_auth = False
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async def get(self, request):
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"""Get available auth providers."""
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hass = request.app["hass"]
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if not hass.components.onboarding.async_is_user_onboarded():
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return self.json_message(
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message="Onboarding not finished",
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status_code=HTTP_BAD_REQUEST,
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message_code="onboarding_required",
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)
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return self.json(
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[
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{"name": provider.name, "id": provider.id, "type": provider.type}
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for provider in hass.auth.auth_providers
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]
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)
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def _prepare_result_json(result):
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"""Convert result to JSON."""
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if result["type"] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY:
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data = result.copy()
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data.pop("result")
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data.pop("data")
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return data
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if result["type"] != data_entry_flow.RESULT_TYPE_FORM:
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return result
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data = result.copy()
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schema = data["data_schema"]
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if schema is None:
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data["data_schema"] = []
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else:
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data["data_schema"] = voluptuous_serialize.convert(schema)
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return data
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class LoginFlowIndexView(HomeAssistantView):
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"""View to create a config flow."""
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url = "/auth/login_flow"
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name = "api:auth:login_flow"
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requires_auth = False
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def __init__(self, flow_mgr, store_result):
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"""Initialize the flow manager index view."""
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self._flow_mgr = flow_mgr
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self._store_result = store_result
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async def get(self, request):
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"""Do not allow index of flows in progress."""
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return web.Response(status=HTTP_METHOD_NOT_ALLOWED)
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@RequestDataValidator(
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vol.Schema(
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{
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vol.Required("client_id"): str,
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vol.Required("handler"): vol.Any(str, list),
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vol.Required("redirect_uri"): str,
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vol.Optional("type", default="authorize"): str,
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}
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)
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)
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@log_invalid_auth
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async def post(self, request, data):
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"""Create a new login flow."""
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if not await indieauth.verify_redirect_uri(
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request.app["hass"], data["client_id"], data["redirect_uri"]
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):
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return self.json_message(
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"invalid client id or redirect uri", HTTP_BAD_REQUEST
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)
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if isinstance(data["handler"], list):
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handler = tuple(data["handler"])
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else:
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handler = data["handler"]
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try:
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result = await self._flow_mgr.async_init(
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handler,
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context={
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"ip_address": ip_address(request.remote),
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"credential_only": data.get("type") == "link_user",
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},
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)
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except data_entry_flow.UnknownHandler:
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return self.json_message("Invalid handler specified", HTTP_NOT_FOUND)
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except data_entry_flow.UnknownStep:
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return self.json_message("Handler does not support init", HTTP_BAD_REQUEST)
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if result["type"] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY:
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await process_success_login(request)
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result.pop("data")
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result["result"] = self._store_result(data["client_id"], result["result"])
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return self.json(result)
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return self.json(_prepare_result_json(result))
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class LoginFlowResourceView(HomeAssistantView):
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"""View to interact with the flow manager."""
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url = "/auth/login_flow/{flow_id}"
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name = "api:auth:login_flow:resource"
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requires_auth = False
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def __init__(self, flow_mgr, store_result):
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"""Initialize the login flow resource view."""
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self._flow_mgr = flow_mgr
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self._store_result = store_result
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async def get(self, request):
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"""Do not allow getting status of a flow in progress."""
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return self.json_message("Invalid flow specified", HTTP_NOT_FOUND)
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@RequestDataValidator(vol.Schema({"client_id": str}, extra=vol.ALLOW_EXTRA))
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@log_invalid_auth
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async def post(self, request, flow_id, data):
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"""Handle progressing a login flow request."""
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client_id = data.pop("client_id")
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if not indieauth.verify_client_id(client_id):
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return self.json_message("Invalid client id", HTTP_BAD_REQUEST)
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try:
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# do not allow change ip during login flow
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for flow in self._flow_mgr.async_progress():
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if flow["flow_id"] == flow_id and flow["context"][
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"ip_address"
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] != ip_address(request.remote):
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return self.json_message("IP address changed", HTTP_BAD_REQUEST)
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result = await self._flow_mgr.async_configure(flow_id, data)
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except data_entry_flow.UnknownFlow:
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return self.json_message("Invalid flow specified", HTTP_NOT_FOUND)
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except vol.Invalid:
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return self.json_message("User input malformed", HTTP_BAD_REQUEST)
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if result["type"] != data_entry_flow.RESULT_TYPE_CREATE_ENTRY:
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# @log_invalid_auth does not work here since it returns HTTP 200
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# need manually log failed login attempts
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if result.get("errors") is not None and result["errors"].get("base") in [
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"invalid_auth",
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"invalid_code",
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]:
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await process_wrong_login(request)
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return self.json(_prepare_result_json(result))
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result.pop("data")
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result["result"] = self._store_result(client_id, result["result"])
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return self.json(result)
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async def delete(self, request, flow_id):
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"""Cancel a flow in progress."""
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try:
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self._flow_mgr.async_abort(flow_id)
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except data_entry_flow.UnknownFlow:
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return self.json_message("Invalid flow specified", HTTP_NOT_FOUND)
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return self.json_message("Flow aborted")
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