Updated 30 files and deleted 2976 files (automated)

1 files changed, 0 insertions, 485 deletions

diff --git a/includes/external/matrix/node_modules/matrix-js-sdk/src/crypto/OutgoingRoomKeyRequestManager.ts b/includes/external/matrix/node_modules/matrix-js-sdk/src/crypto/OutgoingRoomKeyRequestManager.ts
deleted file mode 100644
index 4628b3e..0000000
--- a/includes/external/matrix/node_modules/matrix-js-sdk/src/crypto/OutgoingRoomKeyRequestManager.ts
+++ /dev/null
@@ -1,485 +0,0 @@
-/*
-Copyright 2017 - 2021 The Matrix.org Foundation C.I.C.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-import { v4 as uuidv4 } from "uuid";
-
-import { logger } from "../logger";
-import { MatrixClient } from "../client";
-import { IRoomKeyRequestBody, IRoomKeyRequestRecipient } from "./index";
-import { CryptoStore, OutgoingRoomKeyRequest } from "./store/base";
-import { EventType, ToDeviceMessageId } from "../@types/event";
-import { MapWithDefault } from "../utils";
-
-/**
- * Internal module. Management of outgoing room key requests.
- *
- * See https://docs.google.com/document/d/1m4gQkcnJkxNuBmb5NoFCIadIY-DyqqNAS3lloE73BlQ
- * for draft documentation on what we're supposed to be implementing here.
- */
-
-// delay between deciding we want some keys, and sending out the request, to
-// allow for (a) it turning up anyway, (b) grouping requests together
-const SEND_KEY_REQUESTS_DELAY_MS = 500;
-
-/**
- *  possible states for a room key request
- *
- * The state machine looks like:
- * ```
- *
- *     |         (cancellation sent)
- *     | .-------------------------------------------------.
- *     | |                                                 |
- *     V V       (cancellation requested)                  |
- *   UNSENT  -----------------------------+                |
- *     |                                  |                |
- *     |                                  |                |
- *     | (send successful)                |  CANCELLATION_PENDING_AND_WILL_RESEND
- *     V                                  |                Λ
- *    SENT                                |                |
- *     |--------------------------------  |  --------------'
- *     |                                  |  (cancellation requested with intent
- *     |                                  |   to resend the original request)
- *     |                                  |
- *     | (cancellation requested)         |
- *     V                                  |
- * CANCELLATION_PENDING                   |
- *     |                                  |
- *     | (cancellation sent)              |
- *     V                                  |
- * (deleted)  <---------------------------+
- * ```
- */
-export enum RoomKeyRequestState {
-    /** request not yet sent */
-    Unsent,
-    /** request sent, awaiting reply */
-    Sent,
-    /** reply received, cancellation not yet sent */
-    CancellationPending,
-    /**
-     * Cancellation not yet sent and will transition to UNSENT instead of
-     * being deleted once the cancellation has been sent.
-     */
-    CancellationPendingAndWillResend,
-}
-
-interface RequestMessageBase {
-    requesting_device_id: string;
-    request_id: string;
-}
-
-interface RequestMessageRequest extends RequestMessageBase {
-    action: "request";
-    body: IRoomKeyRequestBody;
-}
-
-interface RequestMessageCancellation extends RequestMessageBase {
-    action: "request_cancellation";
-}
-
-type RequestMessage = RequestMessageRequest | RequestMessageCancellation;
-
-export class OutgoingRoomKeyRequestManager {
-    // handle for the delayed call to sendOutgoingRoomKeyRequests. Non-null
-    // if the callback has been set, or if it is still running.
-    private sendOutgoingRoomKeyRequestsTimer?: ReturnType<typeof setTimeout>;
-
-    // sanity check to ensure that we don't end up with two concurrent runs
-    // of sendOutgoingRoomKeyRequests
-    private sendOutgoingRoomKeyRequestsRunning = false;
-
-    private clientRunning = true;
-
-    public constructor(
-        private readonly baseApis: MatrixClient,
-        private readonly deviceId: string,
-        private readonly cryptoStore: CryptoStore,
-    ) {}
-
-    /**
-     * Called when the client is stopped. Stops any running background processes.
-     */
-    public stop(): void {
-        logger.log("stopping OutgoingRoomKeyRequestManager");
-        // stop the timer on the next run
-        this.clientRunning = false;
-    }
-
-    /**
-     * Send any requests that have been queued
-     */
-    public sendQueuedRequests(): void {
-        this.startTimer();
-    }
-
-    /**
-     * Queue up a room key request, if we haven't already queued or sent one.
-     *
-     * The `requestBody` is compared (with a deep-equality check) against
-     * previous queued or sent requests and if it matches, no change is made.
-     * Otherwise, a request is added to the pending list, and a job is started
-     * in the background to send it.
-     *
-     * @param resend - whether to resend the key request if there is
-     *    already one
-     *
-     * @returns resolves when the request has been added to the
-     *    pending list (or we have established that a similar request already
-     *    exists)
-     */
-    public async queueRoomKeyRequest(
-        requestBody: IRoomKeyRequestBody,
-        recipients: IRoomKeyRequestRecipient[],
-        resend = false,
-    ): Promise<void> {
-        const req = await this.cryptoStore.getOutgoingRoomKeyRequest(requestBody);
-        if (!req) {
-            await this.cryptoStore.getOrAddOutgoingRoomKeyRequest({
-                requestBody: requestBody,
-                recipients: recipients,
-                requestId: this.baseApis.makeTxnId(),
-                state: RoomKeyRequestState.Unsent,
-            });
-        } else {
-            switch (req.state) {
-                case RoomKeyRequestState.CancellationPendingAndWillResend:
-                case RoomKeyRequestState.Unsent:
-                    // nothing to do here, since we're going to send a request anyways
-                    return;
-
-                case RoomKeyRequestState.CancellationPending: {
-                    // existing request is about to be cancelled.  If we want to
-                    // resend, then change the state so that it resends after
-                    // cancelling.  Otherwise, just cancel the cancellation.
-                    const state = resend
-                        ? RoomKeyRequestState.CancellationPendingAndWillResend
-                        : RoomKeyRequestState.Sent;
-                    await this.cryptoStore.updateOutgoingRoomKeyRequest(
-                        req.requestId,
-                        RoomKeyRequestState.CancellationPending,
-                        {
-                            state,
-                            cancellationTxnId: this.baseApis.makeTxnId(),
-                        },
-                    );
-                    break;
-                }
-                case RoomKeyRequestState.Sent: {
-                    // a request has already been sent.  If we don't want to
-                    // resend, then do nothing.  If we do want to, then cancel the
-                    // existing request and send a new one.
-                    if (resend) {
-                        const state = RoomKeyRequestState.CancellationPendingAndWillResend;
-                        const updatedReq = await this.cryptoStore.updateOutgoingRoomKeyRequest(
-                            req.requestId,
-                            RoomKeyRequestState.Sent,
-                            {
-                                state,
-                                cancellationTxnId: this.baseApis.makeTxnId(),
-                                // need to use a new transaction ID so that
-                                // the request gets sent
-                                requestTxnId: this.baseApis.makeTxnId(),
-                            },
-                        );
-                        if (!updatedReq) {
-                            // updateOutgoingRoomKeyRequest couldn't find the request
-                            // in state ROOM_KEY_REQUEST_STATES.SENT, so we must have
-                            // raced with another tab to mark the request cancelled.
-                            // Try again, to make sure the request is resent.
-                            return this.queueRoomKeyRequest(requestBody, recipients, resend);
-                        }
-
-                        // We don't want to wait for the timer, so we send it
-                        // immediately. (We might actually end up racing with the timer,
-                        // but that's ok: even if we make the request twice, we'll do it
-                        // with the same transaction_id, so only one message will get
-                        // sent).
-                        //
-                        // (We also don't want to wait for the response from the server
-                        // here, as it will slow down processing of received keys if we
-                        // do.)
-                        try {
-                            await this.sendOutgoingRoomKeyRequestCancellation(updatedReq, true);
-                        } catch (e) {
-                            logger.error("Error sending room key request cancellation;" + " will retry later.", e);
-                        }
-                        // The request has transitioned from
-                        // CANCELLATION_PENDING_AND_WILL_RESEND to UNSENT. We
-                        // still need to resend the request which is now UNSENT, so
-                        // start the timer if it isn't already started.
-                    }
-                    break;
-                }
-                default:
-                    throw new Error("unhandled state: " + req.state);
-            }
-        }
-    }
-
-    /**
-     * Cancel room key requests, if any match the given requestBody
-     *
-     *
-     * @returns resolves when the request has been updated in our
-     *    pending list.
-     */
-    public cancelRoomKeyRequest(requestBody: IRoomKeyRequestBody): Promise<unknown> {
-        return this.cryptoStore.getOutgoingRoomKeyRequest(requestBody).then((req): unknown => {
-            if (!req) {
-                // no request was made for this key
-                return;
-            }
-            switch (req.state) {
-                case RoomKeyRequestState.CancellationPending:
-                case RoomKeyRequestState.CancellationPendingAndWillResend:
-                    // nothing to do here
-                    return;
-
-                case RoomKeyRequestState.Unsent:
-                    // just delete it
-
-                    // FIXME: ghahah we may have attempted to send it, and
-                    // not yet got a successful response. So the server
-                    // may have seen it, so we still need to send a cancellation
-                    // in that case :/
-
-                    logger.log("deleting unnecessary room key request for " + stringifyRequestBody(requestBody));
-                    return this.cryptoStore.deleteOutgoingRoomKeyRequest(req.requestId, RoomKeyRequestState.Unsent);
-
-                case RoomKeyRequestState.Sent: {
-                    // send a cancellation.
-                    return this.cryptoStore
-                        .updateOutgoingRoomKeyRequest(req.requestId, RoomKeyRequestState.Sent, {
-                            state: RoomKeyRequestState.CancellationPending,
-                            cancellationTxnId: this.baseApis.makeTxnId(),
-                        })
-                        .then((updatedReq) => {
-                            if (!updatedReq) {
-                                // updateOutgoingRoomKeyRequest couldn't find the
-                                // request in state ROOM_KEY_REQUEST_STATES.SENT,
-                                // so we must have raced with another tab to mark
-                                // the request cancelled. There is no point in
-                                // sending another cancellation since the other tab
-                                // will do it.
-                                logger.log(
-                                    "Tried to cancel room key request for " +
-                                        stringifyRequestBody(requestBody) +
-                                        " but it was already cancelled in another tab",
-                                );
-                                return;
-                            }
-
-                            // We don't want to wait for the timer, so we send it
-                            // immediately. (We might actually end up racing with the timer,
-                            // but that's ok: even if we make the request twice, we'll do it
-                            // with the same transaction_id, so only one message will get
-                            // sent).
-                            //
-                            // (We also don't want to wait for the response from the server
-                            // here, as it will slow down processing of received keys if we
-                            // do.)
-                            this.sendOutgoingRoomKeyRequestCancellation(updatedReq).catch((e) => {
-                                logger.error("Error sending room key request cancellation;" + " will retry later.", e);
-                                this.startTimer();
-                            });
-                        });
-                }
-                default:
-                    throw new Error("unhandled state: " + req.state);
-            }
-        });
-    }
-
-    /**
-     * Look for room key requests by target device and state
-     *
-     * @param userId - Target user ID
-     * @param deviceId - Target device ID
-     *
-     * @returns resolves to a list of all the {@link OutgoingRoomKeyRequest}
-     */
-    public getOutgoingSentRoomKeyRequest(userId: string, deviceId: string): Promise<OutgoingRoomKeyRequest[]> {
-        return this.cryptoStore.getOutgoingRoomKeyRequestsByTarget(userId, deviceId, [RoomKeyRequestState.Sent]);
-    }
-
-    /**
-     * Find anything in `sent` state, and kick it around the loop again.
-     * This is intended for situations where something substantial has changed, and we
-     * don't really expect the other end to even care about the cancellation.
-     * For example, after initialization or self-verification.
-     * @returns An array of `queueRoomKeyRequest` outputs.
-     */
-    public async cancelAndResendAllOutgoingRequests(): Promise<void[]> {
-        const outgoings = await this.cryptoStore.getAllOutgoingRoomKeyRequestsByState(RoomKeyRequestState.Sent);
-        return Promise.all(
-            outgoings.map(({ requestBody, recipients }) => this.queueRoomKeyRequest(requestBody, recipients, true)),
-        );
-    }
-
-    // start the background timer to send queued requests, if the timer isn't
-    // already running
-    private startTimer(): void {
-        if (this.sendOutgoingRoomKeyRequestsTimer) {
-            return;
-        }
-
-        const startSendingOutgoingRoomKeyRequests = (): void => {
-            if (this.sendOutgoingRoomKeyRequestsRunning) {
-                throw new Error("RoomKeyRequestSend already in progress!");
-            }
-            this.sendOutgoingRoomKeyRequestsRunning = true;
-
-            this.sendOutgoingRoomKeyRequests()
-                .finally(() => {
-                    this.sendOutgoingRoomKeyRequestsRunning = false;
-                })
-                .catch((e) => {
-                    // this should only happen if there is an indexeddb error,
-                    // in which case we're a bit stuffed anyway.
-                    logger.warn(`error in OutgoingRoomKeyRequestManager: ${e}`);
-                });
-        };
-
-        this.sendOutgoingRoomKeyRequestsTimer = setTimeout(
-            startSendingOutgoingRoomKeyRequests,
-            SEND_KEY_REQUESTS_DELAY_MS,
-        );
-    }
-
-    // look for and send any queued requests. Runs itself recursively until
-    // there are no more requests, or there is an error (in which case, the
-    // timer will be restarted before the promise resolves).
-    private async sendOutgoingRoomKeyRequests(): Promise<void> {
-        if (!this.clientRunning) {
-            this.sendOutgoingRoomKeyRequestsTimer = undefined;
-            return;
-        }
-
-        const req = await this.cryptoStore.getOutgoingRoomKeyRequestByState([
-            RoomKeyRequestState.CancellationPending,
-            RoomKeyRequestState.CancellationPendingAndWillResend,
-            RoomKeyRequestState.Unsent,
-        ]);
-
-        if (!req) {
-            this.sendOutgoingRoomKeyRequestsTimer = undefined;
-            return;
-        }
-
-        try {
-            switch (req.state) {
-                case RoomKeyRequestState.Unsent:
-                    await this.sendOutgoingRoomKeyRequest(req);
-                    break;
-                case RoomKeyRequestState.CancellationPending:
-                    await this.sendOutgoingRoomKeyRequestCancellation(req);
-                    break;
-                case RoomKeyRequestState.CancellationPendingAndWillResend:
-                    await this.sendOutgoingRoomKeyRequestCancellation(req, true);
-                    break;
-            }
-
-            // go around the loop again
-            return this.sendOutgoingRoomKeyRequests();
-        } catch (e) {
-            logger.error("Error sending room key request; will retry later.", e);
-            this.sendOutgoingRoomKeyRequestsTimer = undefined;
-        }
-    }
-
-    // given a RoomKeyRequest, send it and update the request record
-    private sendOutgoingRoomKeyRequest(req: OutgoingRoomKeyRequest): Promise<unknown> {
-        logger.log(
-            `Requesting keys for ${stringifyRequestBody(req.requestBody)}` +
-                ` from ${stringifyRecipientList(req.recipients)}` +
-                `(id ${req.requestId})`,
-        );
-
-        const requestMessage: RequestMessage = {
-            action: "request",
-            requesting_device_id: this.deviceId,
-            request_id: req.requestId,
-            body: req.requestBody,
-        };
-
-        return this.sendMessageToDevices(requestMessage, req.recipients, req.requestTxnId || req.requestId).then(() => {
-            return this.cryptoStore.updateOutgoingRoomKeyRequest(req.requestId, RoomKeyRequestState.Unsent, {
-                state: RoomKeyRequestState.Sent,
-            });
-        });
-    }
-
-    // Given a RoomKeyRequest, cancel it and delete the request record unless
-    // andResend is set, in which case transition to UNSENT.
-    private sendOutgoingRoomKeyRequestCancellation(req: OutgoingRoomKeyRequest, andResend = false): Promise<unknown> {
-        logger.log(
-            `Sending cancellation for key request for ` +
-                `${stringifyRequestBody(req.requestBody)} to ` +
-                `${stringifyRecipientList(req.recipients)} ` +
-                `(cancellation id ${req.cancellationTxnId})`,
-        );
-
-        const requestMessage: RequestMessage = {
-            action: "request_cancellation",
-            requesting_device_id: this.deviceId,
-            request_id: req.requestId,
-        };
-
-        return this.sendMessageToDevices(requestMessage, req.recipients, req.cancellationTxnId).then(() => {
-            if (andResend) {
-                // We want to resend, so transition to UNSENT
-                return this.cryptoStore.updateOutgoingRoomKeyRequest(
-                    req.requestId,
-                    RoomKeyRequestState.CancellationPendingAndWillResend,
-                    { state: RoomKeyRequestState.Unsent },
-                );
-            }
-            return this.cryptoStore.deleteOutgoingRoomKeyRequest(
-                req.requestId,
-                RoomKeyRequestState.CancellationPending,
-            );
-        });
-    }
-
-    // send a RoomKeyRequest to a list of recipients
-    private sendMessageToDevices(
-        message: RequestMessage,
-        recipients: IRoomKeyRequestRecipient[],
-        txnId?: string,
-    ): Promise<{}> {
-        const contentMap = new MapWithDefault<string, Map<string, Record<string, any>>>(() => new Map());
-        for (const recip of recipients) {
-            const userDeviceMap = contentMap.getOrCreate(recip.userId);
-            userDeviceMap.set(recip.deviceId, {
-                ...message,
-                [ToDeviceMessageId]: uuidv4(),
-            });
-        }
-
-        return this.baseApis.sendToDevice(EventType.RoomKeyRequest, contentMap, txnId);
-    }
-}
-
-function stringifyRequestBody(requestBody: IRoomKeyRequestBody): string {
-    // we assume that the request is for megolm keys, which are identified by
-    // room id and session id
-    return requestBody.room_id + " / " + requestBody.session_id;
-}
-
-function stringifyRecipientList(recipients: IRoomKeyRequestRecipient[]): string {
-    return `[${recipients.map((r) => `${r.userId}:${r.deviceId}`).join(",")}]`;
-}