88 lines
2.7 KiB
Go
88 lines
2.7 KiB
Go
// Copyright (c) 2020 Tulir Asokan
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package pushrules
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import (
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"encoding/json"
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"maunium.net/go/mautrix/event"
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)
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type PushRuleset struct {
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Override PushRuleArray
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Content PushRuleArray
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Room PushRuleMap
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Sender PushRuleMap
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Underride PushRuleArray
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}
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type rawPushRuleset struct {
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Override PushRuleArray `json:"override"`
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Content PushRuleArray `json:"content"`
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Room PushRuleArray `json:"room"`
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Sender PushRuleArray `json:"sender"`
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Underride PushRuleArray `json:"underride"`
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}
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// UnmarshalJSON parses JSON into this PushRuleset.
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//
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// For override, sender and underride push rule arrays, the type is added
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// to each PushRule and the array is used as-is.
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//
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// For room and sender push rule arrays, the type is added to each PushRule
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// and the array is converted to a map with the rule ID as the key and the
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// PushRule as the value.
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func (rs *PushRuleset) UnmarshalJSON(raw []byte) (err error) {
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data := rawPushRuleset{}
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err = json.Unmarshal(raw, &data)
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if err != nil {
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return
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}
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rs.Override = data.Override.SetType(OverrideRule)
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rs.Content = data.Content.SetType(ContentRule)
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rs.Room = data.Room.SetTypeAndMap(RoomRule)
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rs.Sender = data.Sender.SetTypeAndMap(SenderRule)
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rs.Underride = data.Underride.SetType(UnderrideRule)
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return
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}
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// MarshalJSON is the reverse of UnmarshalJSON()
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func (rs *PushRuleset) MarshalJSON() ([]byte, error) {
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data := rawPushRuleset{
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Override: rs.Override,
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Content: rs.Content,
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Room: rs.Room.Unmap(),
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Sender: rs.Sender.Unmap(),
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Underride: rs.Underride,
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}
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return json.Marshal(&data)
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}
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// DefaultPushActions is the value returned if none of the rule
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// collections in a Ruleset match the event given to GetActions()
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var DefaultPushActions = PushActionArray{&PushAction{Action: ActionDontNotify}}
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// GetActions matches the given event against all of the push rule
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// collections in this push ruleset in the order of priority as
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// specified in spec section 11.12.1.4.
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func (rs *PushRuleset) GetActions(room Room, evt *event.Event) (match PushActionArray) {
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// Add push rule collections to array in priority order
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arrays := []PushRuleCollection{rs.Override, rs.Content, rs.Room, rs.Sender, rs.Underride}
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// Loop until one of the push rule collections matches the room/event combo.
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for _, pra := range arrays {
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if pra == nil {
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continue
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}
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if match = pra.GetActions(room, evt); match != nil {
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// Match found, return it.
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return
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}
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}
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// No match found, return default actions.
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return DefaultPushActions
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}
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