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Add a module API to allow modules to edit push rule actions (#12406)

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Co-authored-by: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
This commit is contained in:
Brendan Abolivier 2022-04-27 15:55:33 +02:00 • committed by GitHub
parent d743b25c8f
commit 5ef673de4f
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8 changed files with 319 additions and 104 deletions
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112
synapse/rest/client/push_rule.py
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@ -12,9 +12,7 @@
# See the License for the specific language governing permissions and
# limitations under the License.
from typing import TYPE_CHECKING, List, Optional, Sequence, Tuple, Union
import attr
from typing import TYPE_CHECKING, List, Sequence, Tuple, Union
from synapse.api.errors import (
NotFoundError,
@ -22,6 +20,7 @@ from synapse.api.errors import (
SynapseError,
UnrecognizedRequestError,
)
from synapse.handlers.push_rules import InvalidRuleException, RuleSpec, check_actions
from synapse.http.server import HttpServer
from synapse.http.servlet import (
RestServlet,
@ -29,7 +28,6 @@ from synapse.http.servlet import (
parse_string,
)
from synapse.http.site import SynapseRequest
from synapse.push.baserules import BASE_RULE_IDS
from synapse.push.clientformat import format_push_rules_for_user
from synapse.push.rulekinds import PRIORITY_CLASS_MAP
from synapse.rest.client._base import client_patterns
@ -40,14 +38,6 @@ if TYPE_CHECKING:
from synapse.server import HomeServer
@attr.s(slots=True, frozen=True, auto_attribs=True)
class RuleSpec:
scope: str
template: str
rule_id: str
attr: Optional[str]
class PushRuleRestServlet(RestServlet):
PATTERNS = client_patterns("/(?P<path>pushrules/.*)$", v1=True)
SLIGHTLY_PEDANTIC_TRAILING_SLASH_ERROR = (
@ -60,6 +50,7 @@ class PushRuleRestServlet(RestServlet):
self.store = hs.get_datastores().main
self.notifier = hs.get_notifier()
self._is_worker = hs.config.worker.worker_app is not None
self._push_rules_handler = hs.get_push_rules_handler()
async def on_PUT(self, request: SynapseRequest, path: str) -> Tuple[int, JsonDict]:
if self._is_worker:
@ -81,8 +72,13 @@ class PushRuleRestServlet(RestServlet):
user_id = requester.user.to_string()
if spec.attr:
await self.set_rule_attr(user_id, spec, content)
self.notify_user(user_id)
try:
await self._push_rules_handler.set_rule_attr(user_id, spec, content)
except InvalidRuleException as e:
raise SynapseError(400, "Invalid actions: %s" % e)
except RuleNotFoundException:
raise NotFoundError("Unknown rule")
return 200, {}
if spec.rule_id.startswith("."):
@ -98,23 +94,23 @@ class PushRuleRestServlet(RestServlet):
before = parse_string(request, "before")
if before:
before = _namespaced_rule_id(spec, before)
before = f"global/{spec.template}/{before}"
after = parse_string(request, "after")
if after:
after = _namespaced_rule_id(spec, after)
after = f"global/{spec.template}/{after}"
try:
await self.store.add_push_rule(
user_id=user_id,
rule_id=_namespaced_rule_id_from_spec(spec),
rule_id=f"global/{spec.template}/{spec.rule_id}",
priority_class=priority_class,
conditions=conditions,
actions=actions,
before=before,
after=after,
)
self.notify_user(user_id)
self._push_rules_handler.notify_user(user_id)
except InconsistentRuleException as e:
raise SynapseError(400, str(e))
except RuleNotFoundException as e:
@ -133,11 +129,11 @@ class PushRuleRestServlet(RestServlet):
requester = await self.auth.get_user_by_req(request)
user_id = requester.user.to_string()
namespaced_rule_id = _namespaced_rule_id_from_spec(spec)
namespaced_rule_id = f"global/{spec.template}/{spec.rule_id}"
try:
await self.store.delete_push_rule(user_id, namespaced_rule_id)
self.notify_user(user_id)
self._push_rules_handler.notify_user(user_id)
return 200, {}
except StoreError as e:
if e.code == 404:
@ -172,55 +168,6 @@ class PushRuleRestServlet(RestServlet):
else:
raise UnrecognizedRequestError()
def notify_user(self, user_id: str) -> None:
stream_id = self.store.get_max_push_rules_stream_id()
self.notifier.on_new_event("push_rules_key", stream_id, users=[user_id])
async def set_rule_attr(
self, user_id: str, spec: RuleSpec, val: Union[bool, JsonDict]
) -> None:
if spec.attr not in ("enabled", "actions"):
# for the sake of potential future expansion, shouldn't report
# 404 in the case of an unknown request so check it corresponds to
# a known attribute first.
raise UnrecognizedRequestError()
namespaced_rule_id = _namespaced_rule_id_from_spec(spec)
rule_id = spec.rule_id
is_default_rule = rule_id.startswith(".")
if is_default_rule:
if namespaced_rule_id not in BASE_RULE_IDS:
raise NotFoundError("Unknown rule %s" % (namespaced_rule_id,))
if spec.attr == "enabled":
if isinstance(val, dict) and "enabled" in val:
val = val["enabled"]
if not isinstance(val, bool):
# Legacy fallback
# This should *actually* take a dict, but many clients pass
# bools directly, so let's not break them.
raise SynapseError(400, "Value for 'enabled' must be boolean")
await self.store.set_push_rule_enabled(
user_id, namespaced_rule_id, val, is_default_rule
)
elif spec.attr == "actions":
if not isinstance(val, dict):
raise SynapseError(400, "Value must be a dict")
actions = val.get("actions")
if not isinstance(actions, list):
raise SynapseError(400, "Value for 'actions' must be dict")
_check_actions(actions)
namespaced_rule_id = _namespaced_rule_id_from_spec(spec)
rule_id = spec.rule_id
is_default_rule = rule_id.startswith(".")
if is_default_rule:
if namespaced_rule_id not in BASE_RULE_IDS:
raise SynapseError(404, "Unknown rule %r" % (namespaced_rule_id,))
await self.store.set_push_rule_actions(
user_id, namespaced_rule_id, actions, is_default_rule
)
else:
raise UnrecognizedRequestError()
def _rule_spec_from_path(path: Sequence[str]) -> RuleSpec:
"""Turn a sequence of path components into a rule spec
@ -291,24 +238,11 @@ def _rule_tuple_from_request_object(
raise InvalidRuleException("No actions found")
actions = req_obj["actions"]
_check_actions(actions)
check_actions(actions)
return conditions, actions
def _check_actions(actions: List[Union[str, JsonDict]]) -> None:
if not isinstance(actions, list):
raise InvalidRuleException("No actions found")
for a in actions:
if a in ["notify", "dont_notify", "coalesce"]:
pass
elif isinstance(a, dict) and "set_tweak" in a:
pass
else:
raise InvalidRuleException("Unrecognised action")
def _filter_ruleset_with_path(ruleset: JsonDict, path: List[str]) -> JsonDict:
if path == []:
raise UnrecognizedRequestError(
@ -357,17 +291,5 @@ def _priority_class_from_spec(spec: RuleSpec) -> int:
return pc
def _namespaced_rule_id_from_spec(spec: RuleSpec) -> str:
return _namespaced_rule_id(spec, spec.rule_id)
def _namespaced_rule_id(spec: RuleSpec, rule_id: str) -> str:
return "global/%s/%s" % (spec.template, rule_id)
class InvalidRuleException(Exception):
pass
def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
PushRuleRestServlet(hs).register(http_server)