Ejemplo n.º 1
0
    def authenticate(self, context, auth_info, auth_context):
        """Authenticate user."""

        # user has been authenticated externally
        if 'REMOTE_USER' in context['environment']:
            external = get_auth_method('external')
            external.authenticate(context, auth_info, auth_context)

        # need to aggregate the results in case two or more methods
        # are specified
        auth_response = {'methods': []}
        for method_name in auth_info.get_method_names():
            method = get_auth_method(method_name)
            resp = method.authenticate(context,
                                       auth_info.get_method_data(method_name),
                                       auth_context)
            if resp:
                auth_response['methods'].append(method_name)
                auth_response[method_name] = resp

        if auth_response["methods"]:
            # authentication continuation required
            raise exception.AdditionalAuthRequired(auth_response)

        if 'user_id' not in auth_context:
            msg = _('User not found')
            raise exception.Unauthorized(msg)
Ejemplo n.º 2
0
    def authenticate(self, request, auth_info, auth_context):
        """Authenticate user."""
        # NOTE(notmorgan): This is not super pythonic, but we lean on the
        # __setitem__ method in auth_context to handle edge cases and security
        # of the attributes set by the plugins. This check to ensure
        # `auth_context` is an instance of AuthContext is extra insurance and
        # will prevent regressions.
        if not isinstance(auth_context, AuthContext):
            LOG.error(
                _LE('`auth_context` passed to the Auth controller '
                    '`authenticate` method is not of type '
                    '`keystone.auth.controllers.AuthContext`. For security '
                    'purposes this is required. This is likely a programming '
                    'error. Received object of type `%s`'), type(auth_context))
            raise exception.Unauthorized(
                _('Cannot Authenticate due to internal error.'))
        # The 'external' method allows any 'REMOTE_USER' based authentication
        # In some cases the server can set REMOTE_USER as '' instead of
        # dropping it, so this must be filtered out
        if request.remote_user:
            try:
                external = get_auth_method('external')
                external.authenticate(request, auth_info, auth_context)
            except exception.AuthMethodNotSupported:
                # This will happen there is no 'external' plugin registered
                # and the container is performing authentication.
                # The 'kerberos'  and 'saml' methods will be used this way.
                # In those cases, it is correct to not register an
                # 'external' plugin;  if there is both an 'external' and a
                # 'kerberos' plugin, it would run the check on identity twice.
                LOG.debug("No 'external' plugin is registered.")
            except exception.Unauthorized:
                # If external fails then continue and attempt to determine
                # user identity using remaining auth methods
                LOG.debug("Authorization failed for 'external' auth method.")

        # need to aggregate the results in case two or more methods
        # are specified
        auth_response = {'methods': []}
        for method_name in auth_info.get_method_names():
            method = get_auth_method(method_name)
            resp = method.authenticate(request,
                                       auth_info.get_method_data(method_name),
                                       auth_context)
            if resp:
                auth_response['methods'].append(method_name)
                auth_response[method_name] = resp

        if auth_response["methods"]:
            # authentication continuation required
            raise exception.AdditionalAuthRequired(auth_response)

        if 'user_id' not in auth_context:
            msg = _('User not found by auth plugin; authentication failed')
            LOG.warning(msg)
            raise exception.Unauthorized(msg)
Ejemplo n.º 3
0
    def authenticate(self, request, auth_info, auth_context):
        """Authenticate user."""
        # The 'external' method allows any 'REMOTE_USER' based authentication
        # In some cases the server can set REMOTE_USER as '' instead of
        # dropping it, so this must be filtered out
        if request.remote_user:
            try:
                external = get_auth_method('external')
                external.authenticate(request,
                                      auth_info,
                                      auth_context)
            except exception.AuthMethodNotSupported:
                # This will happen there is no 'external' plugin registered
                # and the container is performing authentication.
                # The 'kerberos'  and 'saml' methods will be used this way.
                # In those cases, it is correct to not register an
                # 'external' plugin;  if there is both an 'external' and a
                # 'kerberos' plugin, it would run the check on identity twice.
                LOG.debug("No 'external' plugin is registered.")
            except exception.Unauthorized:
                # If external fails then continue and attempt to determine
                # user identity using remaining auth methods
                LOG.debug("Authorization failed for 'external' auth method.")

        # need to aggregate the results in case two or more methods
        # are specified
        auth_response = {'methods': []}
        for method_name in auth_info.get_method_names():
            method = get_auth_method(method_name)
            resp = method.authenticate(request,
                                       auth_info.get_method_data(method_name),
                                       auth_context)
            if resp:
                auth_response['methods'].append(method_name)
                auth_response[method_name] = resp

        if auth_response["methods"]:
            # authentication continuation required
            raise exception.AdditionalAuthRequired(auth_response)

        if 'user_id' not in auth_context:
            msg = _('User not found')
            raise exception.Unauthorized(msg)
Ejemplo n.º 4
0
    def authenticate(self, context, auth_info, auth_context):
        """Authenticate user."""

        # The 'external' method allows any 'REMOTE_USER' based authentication
        if 'REMOTE_USER' in context['environment']:
            try:
                external = get_auth_method('external')
                external.authenticate(context, auth_info, auth_context)
            except exception.AuthMethodNotSupported:
                # This will happen there is no 'external' plugin registered
                # and the container is performing authentication.
                # The 'kerberos'  and 'saml' methods will be used this way.
                # In those cases, it is correct to not register an
                # 'external' plugin;  if there is both an 'external' and a
                # 'kerberos' plugin, it would run the check on identity twice.
                pass

        # need to aggregate the results in case two or more methods
        # are specified
        auth_response = {'methods': []}
        for method_name in auth_info.get_method_names():
            method = get_auth_method(method_name)
            resp = method.authenticate(context,
                                       auth_info.get_method_data(method_name),
                                       auth_context)
            if resp:
                auth_response['methods'].append(method_name)
                auth_response[method_name] = resp

        if auth_response["methods"]:
            # authentication continuation required
            raise exception.AdditionalAuthRequired(auth_response)

        if 'user_id' not in auth_context:
            msg = _('User not found')
            raise exception.Unauthorized(msg)