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Revert "Merge pull request #7153 from matrix-org/babolivier/sso_white…
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…list_login_fallback"

This was incorrectly merged to master.

This reverts commit 319c41f, reversing
changes made to 229eb81.
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richvdh committed Apr 3, 2020
1 parent 8d4cbde commit 0122ef1
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Showing 4 changed files with 1 addition and 28 deletions.
1 change: 0 additions & 1 deletion changelog.d/7153.feature

This file was deleted.

4 changes: 0 additions & 4 deletions docs/sample_config.yaml
Original file line number Diff line number Diff line change
Expand Up @@ -1392,10 +1392,6 @@ sso:
# 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.
#
# By default, this list is empty.
#
#client_whitelist:
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15 changes: 0 additions & 15 deletions synapse/config/sso.py
Original file line number Diff line number Diff line change
Expand Up @@ -39,17 +39,6 @@ def read_config(self, config, **kwargs):

self.sso_client_whitelist = sso_config.get("client_whitelist") or []

# Attempt to also whitelist the server's login fallback, since that fallback sets
# the redirect URL to itself (so it can process the login token then return
# 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)

def generate_config_section(self, **kwargs):
return """\
# Additional settings to use with single-sign on systems such as SAML2 and CAS.
Expand All @@ -65,10 +54,6 @@ def generate_config_section(self, **kwargs):
# 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.
#
# By default, this list is empty.
#
#client_whitelist:
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9 changes: 1 addition & 8 deletions tests/rest/client/v1/test_login.py
Original file line number Diff line number Diff line change
Expand Up @@ -350,14 +350,7 @@ def test_cas_redirect_confirm(self):
def test_cas_redirect_whitelisted(self):
"""Tests that the SSO login flow serves a redirect to a whitelisted url
"""
self._test_redirect("https://legit-site.com/")

@override_config({"public_baseurl": "https://example.com"})
def test_cas_redirect_login_fallback(self):
self._test_redirect("https://example.com/_matrix/static/client/login")

def _test_redirect(self, redirect_url):
"""Tests that the SSO login flow serves a redirect for the given redirect URL."""
redirect_url = "https://legit-site.com/"
cas_ticket_url = (
"/_matrix/client/r0/login/cas/ticket?redirectUrl=%s&ticket=ticket"
% (urllib.parse.quote(redirect_url))
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