diff --git a/changelog.d/7067.feature b/changelog.d/7067.feature new file mode 100644 index 000000000000..53ea485e03f9 --- /dev/null +++ b/changelog.d/7067.feature @@ -0,0 +1 @@ +Render a configurable and comprehensible error page if something goes wrong during the SAML2 authentication process. diff --git a/docs/sample_config.yaml b/docs/sample_config.yaml index 301e6ae6b759..91eff4c8ad80 100644 --- a/docs/sample_config.yaml +++ b/docs/sample_config.yaml @@ -1360,12 +1360,24 @@ saml2_config: # #grandfathered_mxid_source_attribute: upn - # Path to a file containing HTML content to serve in case an error happens - # when the user gets redirected from the SAML IdP back to Synapse. - # If no file is provided, this defaults to some minimalistic HTML telling the - # user that something went wrong and they should try authenticating again. + # Directory in which Synapse will try to find the template files below. + # If not set, default templates from within the Synapse package will be used. + # + # DO NOT UNCOMMENT THIS SETTING unless you want to customise the templates. + # If you *do* uncomment it, you will need to make sure that all the templates + # below are in the directory. + # + # Synapse will look for the following templates in this directory: + # + # * HTML page to display to users if something goes wrong during the + # authentication process: 'saml_error.html'. # - #error_html_path: /path/to/static/content/saml_error.html + # This template doesn't currently need any variable to render. + # + # You can see the default templates at: + # https://github.com/matrix-org/synapse/tree/master/synapse/res/templates + # + #template_dir: "res/templates" diff --git a/synapse/config/saml2_config.py b/synapse/config/saml2_config.py index 07895c431509..8fe64d90f857 100644 --- a/synapse/config/saml2_config.py +++ b/synapse/config/saml2_config.py @@ -15,6 +15,9 @@ # limitations under the License. import logging +import os + +import pkg_resources from synapse.python_dependencies import DependencyException, check_requirements from synapse.util.module_loader import load_module, load_python_module @@ -27,18 +30,6 @@ "synapse.handlers.saml_handler.DefaultSamlMappingProvider" ) -SAML2_ERROR_DEFAULT_HTML = """ - - -

Oops! Something went wrong

-

- Try logging in again from your Matrix client and if the problem persists - please contact the server's administrator. -

- - -""" - def _dict_merge(merge_dict, into_dict): """Do a deep merge of two dicts @@ -172,12 +163,13 @@ def read_config(self, config, **kwargs): saml2_config.get("saml_session_lifetime", "5m") ) - if "error_html_path" in config: - self.saml2_error_html_content = self.read_file( - config["error_html_path"], "saml2_config.error_html_path", - ) - else: - self.saml2_error_html_content = SAML2_ERROR_DEFAULT_HTML + template_dir = saml2_config.get("template_dir") + if not template_dir: + template_dir = pkg_resources.resource_filename("synapse", "res/templates",) + + self.saml2_error_html_content = self.read_file( + os.path.join(template_dir, "saml_error.html"), "saml2_config.saml_error", + ) def _default_saml_config_dict( self, required_attributes: set, optional_attributes: set @@ -345,12 +337,24 @@ def generate_config_section(self, config_dir_path, server_name, **kwargs): # #grandfathered_mxid_source_attribute: upn - # Path to a file containing HTML content to serve in case an error happens - # when the user gets redirected from the SAML IdP back to Synapse. - # If no file is provided, this defaults to some minimalistic HTML telling the - # user that something went wrong and they should try authenticating again. + # Directory in which Synapse will try to find the template files below. + # If not set, default templates from within the Synapse package will be used. + # + # DO NOT UNCOMMENT THIS SETTING unless you want to customise the templates. + # If you *do* uncomment it, you will need to make sure that all the templates + # below are in the directory. + # + # Synapse will look for the following templates in this directory: + # + # * HTML page to display to users if something goes wrong during the + # authentication process: 'saml_error.html'. + # + # This template doesn't currently need any variable to render. + # + # You can see the default templates at: + # https://github.com/matrix-org/synapse/tree/master/synapse/res/templates # - #error_html_path: /path/to/static/content/saml_error.html + #template_dir: "res/templates" """ % { "config_dir_path": config_dir_path } diff --git a/synapse/res/templates/saml_error.html b/synapse/res/templates/saml_error.html new file mode 100644 index 000000000000..bfd6449c5d5e --- /dev/null +++ b/synapse/res/templates/saml_error.html @@ -0,0 +1,45 @@ + + + + + SSO error + + +

Oops! Something went wrong during authentication.

+

+ If you are seeing this page after clicking a link sent to you via email, make + sure you only click the confirmation link once, and that you open the + validation link in the same client you're logging in from. +

+

+ Try logging in again from your Matrix client and if the problem persists + please contact the server's administrator. +

+ + + + \ No newline at end of file