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4b965c862d
Part of #9744 Removes all redundant `# -*- coding: utf-8 -*-` lines from files, as python 3 automatically reads source code as utf-8 now. `Signed-off-by: Jonathan de Jong <jonathan@automatia.nl>`
144 lines
5.2 KiB
Python
144 lines
5.2 KiB
Python
# Copyright 2015, 2016 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import logging
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from typing import TYPE_CHECKING
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from synapse.api.constants import LoginType
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from synapse.api.errors import SynapseError
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from synapse.api.urls import CLIENT_API_PREFIX
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from synapse.http.server import respond_with_html
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from synapse.http.servlet import RestServlet, parse_string
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from ._base import client_patterns
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if TYPE_CHECKING:
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from synapse.server import HomeServer
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logger = logging.getLogger(__name__)
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class AuthRestServlet(RestServlet):
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"""
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Handles Client / Server API authentication in any situations where it
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cannot be handled in the normal flow (with requests to the same endpoint).
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Current use is for web fallback auth.
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"""
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PATTERNS = client_patterns(r"/auth/(?P<stagetype>[\w\.]*)/fallback/web")
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def __init__(self, hs: "HomeServer"):
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super().__init__()
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self.hs = hs
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self.auth = hs.get_auth()
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self.auth_handler = hs.get_auth_handler()
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self.registration_handler = hs.get_registration_handler()
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self.recaptcha_template = hs.config.recaptcha_template
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self.terms_template = hs.config.terms_template
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self.success_template = hs.config.fallback_success_template
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async def on_GET(self, request, stagetype):
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session = parse_string(request, "session")
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if not session:
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raise SynapseError(400, "No session supplied")
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if stagetype == LoginType.RECAPTCHA:
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html = self.recaptcha_template.render(
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session=session,
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myurl="%s/r0/auth/%s/fallback/web"
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% (CLIENT_API_PREFIX, LoginType.RECAPTCHA),
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sitekey=self.hs.config.recaptcha_public_key,
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)
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elif stagetype == LoginType.TERMS:
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html = self.terms_template.render(
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session=session,
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terms_url="%s_matrix/consent?v=%s"
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% (self.hs.config.public_baseurl, self.hs.config.user_consent_version),
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myurl="%s/r0/auth/%s/fallback/web"
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% (CLIENT_API_PREFIX, LoginType.TERMS),
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)
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elif stagetype == LoginType.SSO:
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# Display a confirmation page which prompts the user to
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# re-authenticate with their SSO provider.
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html = await self.auth_handler.start_sso_ui_auth(request, session)
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else:
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raise SynapseError(404, "Unknown auth stage type")
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# Render the HTML and return.
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respond_with_html(request, 200, html)
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return None
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async def on_POST(self, request, stagetype):
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session = parse_string(request, "session")
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if not session:
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raise SynapseError(400, "No session supplied")
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if stagetype == LoginType.RECAPTCHA:
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response = parse_string(request, "g-recaptcha-response")
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if not response:
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raise SynapseError(400, "No captcha response supplied")
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authdict = {"response": response, "session": session}
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success = await self.auth_handler.add_oob_auth(
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LoginType.RECAPTCHA, authdict, request.getClientIP()
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)
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if success:
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html = self.success_template.render()
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else:
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html = self.recaptcha_template.render(
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session=session,
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myurl="%s/r0/auth/%s/fallback/web"
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% (CLIENT_API_PREFIX, LoginType.RECAPTCHA),
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sitekey=self.hs.config.recaptcha_public_key,
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)
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elif stagetype == LoginType.TERMS:
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authdict = {"session": session}
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success = await self.auth_handler.add_oob_auth(
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LoginType.TERMS, authdict, request.getClientIP()
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)
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if success:
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html = self.success_template.render()
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else:
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html = self.terms_template.render(
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session=session,
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terms_url="%s_matrix/consent?v=%s"
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% (
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self.hs.config.public_baseurl,
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self.hs.config.user_consent_version,
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),
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myurl="%s/r0/auth/%s/fallback/web"
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% (CLIENT_API_PREFIX, LoginType.TERMS),
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)
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elif stagetype == LoginType.SSO:
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# The SSO fallback workflow should not post here,
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raise SynapseError(404, "Fallback SSO auth does not support POST requests.")
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else:
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raise SynapseError(404, "Unknown auth stage type")
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# Render the HTML and return.
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respond_with_html(request, 200, html)
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return None
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def register_servlets(hs, http_server):
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AuthRestServlet(hs).register(http_server)
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