314 lines
10 KiB
Python
314 lines
10 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2014 OpenMarket Ltd
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
from twisted.internet import defer
|
|
|
|
from synapse.api.errors import SynapseError, Codes, UnrecognizedRequestError, NotFoundError
|
|
from base import RestServlet, client_path_pattern
|
|
from synapse.storage.push_rule import InconsistentRuleException, RuleNotFoundException
|
|
|
|
import json
|
|
|
|
|
|
class PushRuleRestServlet(RestServlet):
|
|
PATTERN = client_path_pattern("/pushrules/.*$")
|
|
PRIORITY_CLASS_MAP = {
|
|
'underride': 0,
|
|
'sender': 1,
|
|
'room': 2,
|
|
'content': 3,
|
|
'override': 4
|
|
}
|
|
PRIORITY_CLASS_INVERSE_MAP = {v: k for k,v in PRIORITY_CLASS_MAP.items()}
|
|
|
|
def rule_spec_from_path(self, path):
|
|
if len(path) < 2:
|
|
raise UnrecognizedRequestError()
|
|
if path[0] != 'pushrules':
|
|
raise UnrecognizedRequestError()
|
|
|
|
scope = path[1]
|
|
path = path[2:]
|
|
if scope not in ['global', 'device']:
|
|
raise UnrecognizedRequestError()
|
|
|
|
device = None
|
|
if scope == 'device':
|
|
if len(path) == 0:
|
|
raise UnrecognizedRequestError()
|
|
device = path[0]
|
|
path = path[1:]
|
|
|
|
if len(path) == 0:
|
|
raise UnrecognizedRequestError()
|
|
|
|
template = path[0]
|
|
path = path[1:]
|
|
|
|
if len(path) == 0:
|
|
raise UnrecognizedRequestError()
|
|
|
|
rule_id = path[0]
|
|
|
|
spec = {
|
|
'scope' : scope,
|
|
'template': template,
|
|
'rule_id': rule_id
|
|
}
|
|
if device:
|
|
spec['device'] = device
|
|
return spec
|
|
|
|
def rule_tuple_from_request_object(self, rule_template, rule_id, req_obj):
|
|
if rule_template in ['override', 'underride']:
|
|
if 'conditions' not in req_obj:
|
|
raise InvalidRuleException("Missing 'conditions'")
|
|
conditions = req_obj['conditions']
|
|
for c in conditions:
|
|
if 'kind' not in c:
|
|
raise InvalidRuleException("Condition without 'kind'")
|
|
elif rule_template == 'room':
|
|
conditions = [{
|
|
'kind': 'event_match',
|
|
'key': 'room_id',
|
|
'pattern': rule_id
|
|
}]
|
|
elif rule_template == 'sender':
|
|
conditions = [{
|
|
'kind': 'event_match',
|
|
'key': 'user_id',
|
|
'pattern': rule_id
|
|
}]
|
|
elif rule_template == 'content':
|
|
if 'pattern' not in req_obj:
|
|
raise InvalidRuleException("Content rule missing 'pattern'")
|
|
conditions = [{
|
|
'kind': 'event_match',
|
|
'key': 'content.body',
|
|
'pattern': req_obj['pattern']
|
|
}]
|
|
else:
|
|
raise InvalidRuleException("Unknown rule template: %s" % (rule_template))
|
|
|
|
if 'actions' not in req_obj:
|
|
raise InvalidRuleException("No actions found")
|
|
actions = req_obj['actions']
|
|
|
|
for a in actions:
|
|
if a in ['notify', 'dont-notify', 'coalesce']:
|
|
pass
|
|
elif isinstance(a, dict) and 'set_sound' in a:
|
|
pass
|
|
else:
|
|
raise InvalidRuleException("Unrecognised action")
|
|
|
|
return (conditions, actions)
|
|
|
|
def priority_class_from_spec(self, spec):
|
|
if spec['template'] not in PushRuleRestServlet.PRIORITY_CLASS_MAP.keys():
|
|
raise InvalidRuleException("Unknown template: %s" % (spec['kind']))
|
|
pc = PushRuleRestServlet.PRIORITY_CLASS_MAP[spec['template']]
|
|
|
|
if spec['scope'] == 'device':
|
|
pc += 5
|
|
|
|
return pc
|
|
|
|
@defer.inlineCallbacks
|
|
def on_PUT(self, request):
|
|
spec = self.rule_spec_from_path(request.postpath)
|
|
try:
|
|
priority_class = self.priority_class_from_spec(spec)
|
|
except InvalidRuleException as e:
|
|
raise SynapseError(400, e.message)
|
|
|
|
user = yield self.auth.get_user_by_req(request)
|
|
|
|
content = _parse_json(request)
|
|
|
|
try:
|
|
(conditions, actions) = self.rule_tuple_from_request_object(
|
|
spec['template'],
|
|
spec['rule_id'],
|
|
content
|
|
)
|
|
except InvalidRuleException as e:
|
|
raise SynapseError(400, e.message)
|
|
|
|
before = request.args.get("before", None)
|
|
if before and len(before):
|
|
before = before[0]
|
|
after = request.args.get("after", None)
|
|
if after and len(after):
|
|
after = after[0]
|
|
|
|
try:
|
|
yield self.hs.get_datastore().add_push_rule(
|
|
user_name=user.to_string(),
|
|
rule_id=spec['rule_id'],
|
|
priority_class=priority_class,
|
|
conditions=conditions,
|
|
actions=actions,
|
|
before=before,
|
|
after=after
|
|
)
|
|
except InconsistentRuleException as e:
|
|
raise SynapseError(400, e.message)
|
|
except RuleNotFoundException:
|
|
raise SynapseError(400, "before/after rule not found")
|
|
|
|
defer.returnValue((200, {}))
|
|
|
|
@defer.inlineCallbacks
|
|
def on_GET(self, request):
|
|
user = yield self.auth.get_user_by_req(request)
|
|
|
|
# we build up the full structure and then decide which bits of it
|
|
# to send which means doing unnecessary work sometimes but is
|
|
# is probably not going to make a whole lot of difference
|
|
rawrules = yield self.hs.get_datastore().get_push_rules_for_user_name(user.to_string())
|
|
|
|
rules = {'global': {}, 'device': {}}
|
|
|
|
rules['global'] = _add_empty_priority_class_arrays(rules['global'])
|
|
|
|
for r in rawrules:
|
|
rulearray = None
|
|
|
|
r["conditions"] = json.loads(r["conditions"])
|
|
r["actions"] = json.loads(r["actions"])
|
|
|
|
template_name = _priority_class_to_template_name(r['priority_class'])
|
|
|
|
if r['priority_class'] > PushRuleRestServlet.PRIORITY_CLASS_MAP['override']:
|
|
# per-device rule
|
|
instance_handle = _instance_handle_from_conditions(r["conditions"])
|
|
if not instance_handle:
|
|
continue
|
|
if instance_handle not in rules['device']:
|
|
rules['device'][instance_handle] = []
|
|
rules['device'][instance_handle] = \
|
|
_add_empty_priority_class_arrays(rules['device'][instance_handle])
|
|
|
|
rulearray = rules['device'][instance_handle]
|
|
else:
|
|
rulearray = rules['global'][template_name]
|
|
|
|
template_rule = _rule_to_template(r)
|
|
if template_rule:
|
|
rulearray.append(template_rule)
|
|
|
|
path = request.postpath[1:]
|
|
if path == []:
|
|
defer.returnValue((200, rules))
|
|
|
|
if path[0] == 'global':
|
|
path = path[1:]
|
|
result = _filter_ruleset_with_path(rules['global'], path)
|
|
defer.returnValue((200, result))
|
|
elif path[0] == 'device':
|
|
path = path[1:]
|
|
if path == []:
|
|
raise UnrecognizedRequestError
|
|
instance_handle = path[0]
|
|
if instance_handle not in rules['device']:
|
|
ret = {}
|
|
ret = _add_empty_priority_class_arrays(ret)
|
|
defer.returnValue((200, ret))
|
|
ruleset = rules['device'][instance_handle]
|
|
result = _filter_ruleset_with_path(ruleset, path)
|
|
defer.returnValue((200, result))
|
|
else:
|
|
raise UnrecognizedRequestError()
|
|
|
|
|
|
def on_OPTIONS(self, _):
|
|
return 200, {}
|
|
|
|
|
|
def _add_empty_priority_class_arrays(d):
|
|
for pc in PushRuleRestServlet.PRIORITY_CLASS_MAP.keys():
|
|
d[pc] = []
|
|
return d
|
|
|
|
def _instance_handle_from_conditions(conditions):
|
|
"""
|
|
Given a list of conditions, return the instance handle of the
|
|
device rule if there is one
|
|
"""
|
|
for c in conditions:
|
|
if c['kind'] == 'device':
|
|
return c['instance_handle']
|
|
return None
|
|
|
|
def _filter_ruleset_with_path(ruleset, path):
|
|
if path == []:
|
|
return ruleset
|
|
template_kind = path[0]
|
|
if template_kind not in ruleset:
|
|
raise UnrecognizedRequestError()
|
|
path = path[1:]
|
|
if path == []:
|
|
return ruleset[template_kind]
|
|
rule_id = path[0]
|
|
for r in ruleset[template_kind]:
|
|
if r['rule_id'] == rule_id:
|
|
return r
|
|
raise NotFoundError
|
|
|
|
def _priority_class_to_template_name(pc):
|
|
if pc > PushRuleRestServlet.PRIORITY_CLASS_MAP['override']:
|
|
# per-device
|
|
prio_class_index = pc - PushRuleRestServlet.PRIORITY_CLASS_MAP['override']
|
|
return PushRuleRestServlet.PRIORITY_CLASS_INVERSE_MAP[prio_class_index]
|
|
else:
|
|
return PushRuleRestServlet.PRIORITY_CLASS_INVERSE_MAP[pc]
|
|
|
|
def _rule_to_template(rule):
|
|
template_name = _priority_class_to_template_name(rule['priority_class'])
|
|
if template_name in ['override', 'underride']:
|
|
return {k:rule[k] for k in ["rule_id", "conditions", "actions"]}
|
|
elif template_name in ["sender", "room"]:
|
|
return {k:rule[k] for k in ["rule_id", "actions"]}
|
|
elif template_name == 'content':
|
|
if len(rule["conditions"]) != 1:
|
|
return None
|
|
thecond = rule["conditions"][0]
|
|
if "pattern" not in thecond:
|
|
return None
|
|
ret = {k:rule[k] for k in ["rule_id", "actions"]}
|
|
ret["pattern"] = thecond["pattern"]
|
|
return ret
|
|
|
|
|
|
class InvalidRuleException(Exception):
|
|
pass
|
|
|
|
|
|
# XXX: C+ped from rest/room.py - surely this should be common?
|
|
def _parse_json(request):
|
|
try:
|
|
content = json.loads(request.content.read())
|
|
if type(content) != dict:
|
|
raise SynapseError(400, "Content must be a JSON object.",
|
|
errcode=Codes.NOT_JSON)
|
|
return content
|
|
except ValueError:
|
|
raise SynapseError(400, "Content not JSON.", errcode=Codes.NOT_JSON)
|
|
|
|
|
|
def register_servlets(hs, http_server):
|
|
PushRuleRestServlet(hs).register(http_server)
|