signal-desktop/ts/messages/helpers.ts

103 lines
2.6 KiB
TypeScript

// Copyright 2021 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
import * as log from '../logging/log';
import type { ConversationModel } from '../models/conversations';
import type {
CustomError,
MessageAttributesType,
QuotedMessageType,
} from '../model-types.d';
import type { UUIDStringType } from '../types/UUID';
import { isIncoming, isOutgoing } from '../state/selectors/message';
export function isQuoteAMatch(
message: MessageAttributesType | null | undefined,
conversationId: string,
quote: QuotedMessageType
): message is MessageAttributesType {
if (!message) {
return false;
}
const { authorUuid, id } = quote;
const authorConversationId = window.ConversationController.ensureContactIds({
e164: 'author' in quote ? quote.author : undefined,
uuid: authorUuid,
});
return (
message.sent_at === id &&
message.conversationId === conversationId &&
getContactId(message) === authorConversationId
);
}
export function getContactId(
message: MessageAttributesType
): string | undefined {
const source = getSource(message);
const sourceUuid = getSourceUuid(message);
if (!source && !sourceUuid) {
return window.ConversationController.getOurConversationId();
}
return window.ConversationController.ensureContactIds({
e164: source,
uuid: sourceUuid,
});
}
export function getContact(
message: MessageAttributesType
): ConversationModel | undefined {
const id = getContactId(message);
return window.ConversationController.get(id);
}
export function getSource(message: MessageAttributesType): string | undefined {
if (isIncoming(message)) {
return message.source;
}
if (!isOutgoing(message)) {
log.warn('Message.getSource: Called for non-incoming/non-outgoing message');
}
return window.textsecure.storage.user.getNumber();
}
export function getSourceDevice(
message: MessageAttributesType
): string | number | undefined {
const { sourceDevice } = message;
if (isIncoming(message)) {
return sourceDevice;
}
if (!isOutgoing(message)) {
log.warn(
'Message.getSourceDevice: Called for non-incoming/non-outgoing message'
);
}
return sourceDevice || window.textsecure.storage.user.getDeviceId();
}
export function getSourceUuid(
message: MessageAttributesType
): UUIDStringType | undefined {
if (isIncoming(message)) {
return message.sourceUuid;
}
if (!isOutgoing(message)) {
log.warn(
'Message.getSourceUuid: Called for non-incoming/non-outgoing message'
);
}
return window.textsecure.storage.user.getUuid()?.toString();
}
export const isCustomError = (e: unknown): e is CustomError =>
e instanceof Error;