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59 lines
1.9 KiB
TypeScript
59 lines
1.9 KiB
TypeScript
import { RawMessage } from '../types/RawMessage';
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import {
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ContentMessage,
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ExpirationTimerUpdateMessage,
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} from '../messages/outgoing';
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import { EncryptionType, PubKey } from '../types';
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import { ClosedGroupMessage } from '../messages/outgoing/content/data/group/ClosedGroupMessage';
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import { ClosedGroupNewMessage } from '../messages/outgoing/content/data/group/ClosedGroupNewMessage';
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import _ from 'lodash';
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import { ConversationModel } from '../../models/conversation';
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import { ClosedGroupEncryptionPairReplyMessage } from '../messages/outgoing/content/data/group/ClosedGroupEncryptionPairReplyMessage';
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function getEncryptionTypeFromMessageType(
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message: ContentMessage
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): EncryptionType {
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// ClosedGroupNewMessage is sent using established channels, so using fallback
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if (
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message instanceof ClosedGroupNewMessage ||
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message instanceof ClosedGroupEncryptionPairReplyMessage
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) {
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return EncryptionType.Fallback;
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}
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// 1. any ClosedGroupMessage which is not a ClosedGroupNewMessage must be encoded with ClosedGroup
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// 2. if TypingMessage or ExpirationTimer and groupId is set => must be encoded with ClosedGroup too
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if (
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message instanceof ClosedGroupMessage ||
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(message instanceof ExpirationTimerUpdateMessage && message.groupId)
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) {
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return EncryptionType.ClosedGroup;
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} else {
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return EncryptionType.Fallback;
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}
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}
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export async function toRawMessage(
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device: PubKey,
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message: ContentMessage
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): Promise<RawMessage> {
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const timestamp = message.timestamp;
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const ttl = message.ttl();
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// window?.log?.debug('toRawMessage proto:', message.contentProto());
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const plainTextBuffer = message.plainTextBuffer();
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const encryption = getEncryptionTypeFromMessageType(message);
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// tslint:disable-next-line: no-unnecessary-local-variable
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const rawMessage: RawMessage = {
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identifier: message.identifier,
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plainTextBuffer,
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timestamp,
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device: device.key,
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ttl,
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encryption,
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};
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return rawMessage;
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}
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