add vendoring

vendor/maunium.net/go/mautrix/event/ephemeral.go

@@ -0,0 +1,140 @@
+// Copyright (c) 2020 Tulir Asokan
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+package event
+
+import (
+	"encoding/json"
+	"time"
+
+	"maunium.net/go/mautrix/id"
+)
+
+// TypingEventContent represents the content of a m.typing ephemeral event.
+// https://spec.matrix.org/v1.2/client-server-api/#mtyping
+type TypingEventContent struct {
+	UserIDs []id.UserID `json:"user_ids"`
+}
+
+// ReceiptEventContent represents the content of a m.receipt ephemeral event.
+// https://spec.matrix.org/v1.2/client-server-api/#mreceipt
+type ReceiptEventContent map[id.EventID]Receipts
+
+func (rec ReceiptEventContent) Set(evtID id.EventID, receiptType ReceiptType, userID id.UserID, receipt ReadReceipt) {
+	rec.GetOrCreate(evtID).GetOrCreate(receiptType).Set(userID, receipt)
+}
+
+func (rec ReceiptEventContent) GetOrCreate(evt id.EventID) Receipts {
+	receipts, ok := rec[evt]
+	if !ok {
+		receipts = make(Receipts)
+		rec[evt] = receipts
+	}
+	return receipts
+}
+
+type ReceiptType string
+
+const (
+	ReceiptTypeRead        ReceiptType = "m.read"
+	ReceiptTypeReadPrivate ReceiptType = "m.read.private"
+)
+
+type Receipts map[ReceiptType]UserReceipts
+
+func (rps Receipts) GetOrCreate(receiptType ReceiptType) UserReceipts {
+	read, ok := rps[receiptType]
+	if !ok {
+		read = make(UserReceipts)
+		rps[receiptType] = read
+	}
+	return read
+}
+
+type UserReceipts map[id.UserID]ReadReceipt
+
+func (ur UserReceipts) Set(userID id.UserID, receipt ReadReceipt) {
+	ur[userID] = receipt
+}
+
+type ThreadID = id.EventID
+
+const ReadReceiptThreadMain ThreadID = "main"
+
+type ReadReceipt struct {
+	Timestamp time.Time
+
+	// Thread ID for thread-specific read receipts from MSC3771
+	ThreadID ThreadID
+
+	// Extra contains any unknown fields in the read receipt event.
+	// Most servers don't allow clients to set them, so this will be empty in most cases.
+	Extra map[string]interface{}
+}
+
+func (rr *ReadReceipt) UnmarshalJSON(data []byte) error {
+	// Hacky compatibility hack against crappy clients that send double-encoded read receipts.
+	// TODO is this actually needed? clients can't currently set custom content in receipts 🤔
+	if data[0] == '"' && data[len(data)-1] == '"' {
+		var strData string
+		err := json.Unmarshal(data, &strData)
+		if err != nil {
+			return err
+		}
+		data = []byte(strData)
+	}
+
+	var parsed map[string]interface{}
+	err := json.Unmarshal(data, &parsed)
+	if err != nil {
+		return err
+	}
+	threadID, _ := parsed["thread_id"].(string)
+	ts, tsOK := parsed["ts"].(float64)
+	delete(parsed, "thread_id")
+	delete(parsed, "ts")
+	*rr = ReadReceipt{
+		ThreadID: ThreadID(threadID),
+		Extra:    parsed,
+	}
+	if tsOK {
+		rr.Timestamp = time.UnixMilli(int64(ts))
+	}
+	return nil
+}
+
+func (rr ReadReceipt) MarshalJSON() ([]byte, error) {
+	data := rr.Extra
+	if data == nil {
+		data = make(map[string]interface{})
+	}
+	if rr.ThreadID != "" {
+		data["thread_id"] = rr.ThreadID
+	}
+	if !rr.Timestamp.IsZero() {
+		data["ts"] = rr.Timestamp.UnixMilli()
+	}
+	return json.Marshal(data)
+}
+
+type Presence string
+
+const (
+	PresenceOnline      Presence = "online"
+	PresenceOffline     Presence = "offline"
+	PresenceUnavailable Presence = "unavailable"
+)
+
+// PresenceEventContent represents the content of a m.presence ephemeral event.
+// https://spec.matrix.org/v1.2/client-server-api/#mpresence
+type PresenceEventContent struct {
+	Presence        Presence            `json:"presence"`
+	Displayname     string              `json:"displayname,omitempty"`
+	AvatarURL       id.ContentURIString `json:"avatar_url,omitempty"`
+	LastActiveAgo   int64               `json:"last_active_ago,omitempty"`
+	CurrentlyActive bool                `json:"currently_active,omitempty"`
+	StatusMessage   string              `json:"status_msg,omitempty"`
+}