107 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			107 lines
		
	
	
		
			3.6 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.types import UserID
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def format_push_rules_for_user(
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    user: UserID, ruleslist: List
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) -> Dict[str, Dict[str, list]]:
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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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    # We're going to be mutating this a lot, so do a deep copy
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    ruleslist = copy.deepcopy(ruleslist)
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    rules: Dict[str, Dict[str, List[Dict[str, Any]]]] = {
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        "global": {},
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        "device": {},
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    }
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    rules["global"] = _add_empty_priority_class_arrays(rules["global"])
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    for r in ruleslist:
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        template_name = _priority_class_to_template_name(r["priority_class"])
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        # Remove internal stuff.
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        for c in r["conditions"]:
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            c.pop("_id", None)
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            pattern_type = c.pop("pattern_type", None)
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            if pattern_type == "user_id":
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                c["pattern"] = user.to_string()
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            elif pattern_type == "user_localpart":
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                c["pattern"] = user.localpart
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        rulearray = rules["global"][template_name]
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        template_rule = _rule_to_template(r)
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        if template_rule:
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            if "enabled" in r:
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                template_rule["enabled"] = r["enabled"]
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            else:
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                template_rule["enabled"] = True
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            rulearray.append(template_rule)
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    return rules
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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: Dict[str, Any]) -> Optional[Dict[str, Any]]:
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    unscoped_rule_id = None
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    if "rule_id" in rule:
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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 = {k: rule[k] for k in ["conditions", "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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        if "pattern" not in thecond:
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            return None
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        templaterule = {"actions": rule["actions"]}
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        templaterule["pattern"] = thecond["pattern"]
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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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    if unscoped_rule_id:
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        templaterule["rule_id"] = unscoped_rule_id
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    if "default" in rule:
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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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