120 lines
4.1 KiB
Python
120 lines
4.1 KiB
Python
# Copyright 2016 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import copy
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from typing import Any, Dict, List, Optional
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from synapse.push.rulekinds import PRIORITY_CLASS_INVERSE_MAP, PRIORITY_CLASS_MAP
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from synapse.synapse_rust.push import FilteredPushRules, PushRule
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from synapse.types import UserID
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def format_push_rules_for_user(
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user: UserID, ruleslist: FilteredPushRules
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) -> Dict[str, Dict[str, List[Dict[str, Any]]]]:
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"""Converts a list of rawrules and a enabled map into nested dictionaries
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to match the Matrix client-server format for push rules"""
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rules: Dict[str, Dict[str, List[Dict[str, Any]]]] = {"global": {}}
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rules["global"] = _add_empty_priority_class_arrays(rules["global"])
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for r, enabled in ruleslist.rules():
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template_name = _priority_class_to_template_name(r.priority_class)
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rulearray = rules["global"][template_name]
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template_rule = _rule_to_template(r)
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if not template_rule:
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continue
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rulearray.append(template_rule)
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_convert_type_to_value(template_rule, user)
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template_rule["enabled"] = enabled
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if "conditions" not in template_rule:
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# Not all formatted rules have explicit conditions, e.g. "room"
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# rules omit them as they can be derived from the kind and rule ID.
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#
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# If the formatted rule has no conditions then we can skip the
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# formatting of conditions.
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continue
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# Remove internal stuff.
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template_rule["conditions"] = copy.deepcopy(template_rule["conditions"])
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for c in template_rule["conditions"]:
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c.pop("_cache_key", None)
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_convert_type_to_value(c, user)
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return rules
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def _convert_type_to_value(rule_or_cond: Dict[str, Any], user: UserID) -> None:
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for type_key in ("pattern", "value"):
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type_value = rule_or_cond.pop(f"{type_key}_type", None)
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if type_value == "user_id":
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rule_or_cond[type_key] = user.to_string()
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elif type_value == "user_localpart":
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rule_or_cond[type_key] = user.localpart
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def _add_empty_priority_class_arrays(d: Dict[str, list]) -> Dict[str, list]:
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for pc in PRIORITY_CLASS_MAP.keys():
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d[pc] = []
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return d
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def _rule_to_template(rule: PushRule) -> Optional[Dict[str, Any]]:
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templaterule: Dict[str, Any]
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unscoped_rule_id = _rule_id_from_namespaced(rule.rule_id)
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template_name = _priority_class_to_template_name(rule.priority_class)
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if template_name in ["override", "underride"]:
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templaterule = {"conditions": rule.conditions, "actions": rule.actions}
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elif template_name in ["sender", "room"]:
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templaterule = {"actions": rule.actions}
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unscoped_rule_id = rule.conditions[0]["pattern"]
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elif template_name == "content":
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if len(rule.conditions) != 1:
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return None
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thecond = rule.conditions[0]
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templaterule = {"actions": rule.actions}
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if "pattern" in thecond:
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templaterule["pattern"] = thecond["pattern"]
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elif "pattern_type" in thecond:
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templaterule["pattern_type"] = thecond["pattern_type"]
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else:
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return None
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else:
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# This should not be reached unless this function is not kept in sync
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# with PRIORITY_CLASS_INVERSE_MAP.
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raise ValueError("Unexpected template_name: %s" % (template_name,))
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templaterule["rule_id"] = unscoped_rule_id
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templaterule["default"] = rule.default
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return templaterule
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def _rule_id_from_namespaced(in_rule_id: str) -> str:
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return in_rule_id.split("/")[-1]
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def _priority_class_to_template_name(pc: int) -> str:
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return PRIORITY_CLASS_INVERSE_MAP[pc]
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