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64 lines
2.3 KiB
TypeScript
64 lines
2.3 KiB
TypeScript
/*
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Copyright 2023 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import type { ISasEvent } from "matrix-js-sdk/src/crypto/verification/SAS";
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import type { MatrixClient } from "matrix-js-sdk/src/matrix";
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import type { VerificationRequest } from "matrix-js-sdk/src/crypto/verification/request/VerificationRequest";
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export type EmojiMapping = [emoji: string, name: string];
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/**
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* wait for the given client to receive an incoming verification request
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*
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* @param cli - matrix client we expect to receive a request
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*/
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export function waitForVerificationRequest(cli: MatrixClient): Promise<VerificationRequest> {
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return new Promise<VerificationRequest>((resolve) => {
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const onVerificationRequestEvent = (request: VerificationRequest) => {
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// @ts-ignore CryptoEvent is not exported to window.matrixcs; using the string value here
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cli.off("crypto.verification.request", onVerificationRequestEvent);
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resolve(request);
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};
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// @ts-ignore
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cli.on("crypto.verification.request", onVerificationRequestEvent);
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});
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}
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/**
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* Handle an incoming verification request
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*
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* Starts the key verification process, and, once it is accepted on the other side, confirms that the
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* emojis match.
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*
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* Returns a promise that resolves, with the emoji list, once we confirm the emojis
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*
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* @param request - incoming verification request
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*/
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export function handleVerificationRequest(request: VerificationRequest) {
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return new Promise<EmojiMapping[]>((resolve) => {
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const onShowSas = (event: ISasEvent) => {
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verifier.off("show_sas", onShowSas);
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event.confirm();
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verifier.done();
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resolve(event.sas.emoji);
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};
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const verifier = request.beginKeyVerification("m.sas.v1");
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verifier.on("show_sas", onShowSas);
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verifier.verify();
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});
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}
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