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Improve SAML error messages (#8248)

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Patrick Cloke 2020-09-14 09:05:36 -04:00 • committed by GitHub
parent 04cc249b43
commit 6605470bfb
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9 changed files with 178 additions and 185 deletions
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16
synapse/rest/saml2/response_resource.py
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@ -13,10 +13,8 @@
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from twisted.python import failure
from synapse.api.errors import SynapseError
from synapse.http.server import DirectServeHtmlResource, return_html_error
from synapse.http.server import DirectServeHtmlResource
class SAML2ResponseResource(DirectServeHtmlResource):
@ -27,21 +25,15 @@ class SAML2ResponseResource(DirectServeHtmlResource):
def __init__(self, hs):
super().__init__()
self._saml_handler = hs.get_saml_handler()
self._error_html_template = hs.config.saml2.saml2_error_html_template
async def _async_render_GET(self, request):
# We're not expecting any GET request on that resource if everything goes right,
# but some IdPs sometimes end up responding with a 302 redirect on this endpoint.
# In this case, just tell the user that something went wrong and they should
# try to authenticate again.
f = failure.Failure(
SynapseError(400, "Unexpected GET request on /saml2/authn_response")
self._saml_handler._render_error(
request, "unexpected_get", "Unexpected GET request on /saml2/authn_response"
)
return_html_error(f, request, self._error_html_template)
async def _async_render_POST(self, request):
try:
await self._saml_handler.handle_saml_response(request)
except Exception:
f = failure.Failure()
return_html_error(f, request, self._error_html_template)
await self._saml_handler.handle_saml_response(request)