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Remove well-known proxy URL lookup; always use native

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This is actually required for SSS because otherwise it would use
the proxy over native support.
This commit is contained in:
Kegan Dougal 2024-09-13 14:33:29 +01:00
parent 7fbac10490
commit 194362a487
4 changed files with 6 additions and 125 deletions
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51
src/SlidingSyncManager.ts
View File

@ -322,44 +322,12 @@ export class SlidingSyncManager {
* @returns A working Sliding Sync or undefined
*/
public async setup(client: MatrixClient): Promise<SlidingSync | undefined> {
const baseUrl = client.baseUrl;
const proxyUrl = SettingsStore.getValue("feature_sliding_sync_proxy_url");
const wellKnownProxyUrl = await this.getProxyFromWellKnown(client);
const slidingSyncEndpoint = proxyUrl || wellKnownProxyUrl || baseUrl;
this.configure(client, slidingSyncEndpoint);
logger.info("Sliding sync activated at", slidingSyncEndpoint);
this.configure(client, client.baseUrl);
logger.info("Simplified Sliding Sync activated at", client.baseUrl);
this.startSpidering(100, 50); // 100 rooms at a time, 50ms apart
return this.slidingSync;
}
/**
* Get the sliding sync proxy URL from the client well known
* @param client The MatrixClient to use
* @return The proxy url
*/
public async getProxyFromWellKnown(client: MatrixClient): Promise<string | undefined> {
let proxyUrl: string | undefined;
try {
const clientDomain = await client.getDomain();
if (clientDomain === null) {
throw new RangeError("Homeserver domain is null");
}
const clientWellKnown = await AutoDiscovery.findClientConfig(clientDomain);
proxyUrl = clientWellKnown?.["org.matrix.msc3575.proxy"]?.url;
} catch (e) {
// Either client.getDomain() is null so we've shorted out, or is invalid so `AutoDiscovery.findClientConfig` has thrown
}
if (proxyUrl != undefined) {
logger.log("getProxyFromWellKnown: client well-known declares sliding sync proxy at", proxyUrl);
}
return proxyUrl;
}
/**
* Check if the server "natively" supports sliding sync (with an unstable endpoint).
* @param client The MatrixClient to use
@ -370,7 +338,7 @@ export class SlidingSyncManager {
// `client` can be undefined/null in tests for some reason.
const support = await client?.doesServerSupportUnstableFeature("org.matrix.simplified_msc3575");
if (support) {
logger.log("nativeSlidingSyncSupport: sliding sync advertised as unstable");
logger.log("nativeSlidingSyncSupport: org.matrix.simplified_msc3575 sliding sync advertised as unstable");
}
return support;
}
@ -387,17 +355,6 @@ export class SlidingSyncManager {
SlidingSyncController.serverSupportsSlidingSync = true;
return;
}
const proxyUrl = await this.getProxyFromWellKnown(client);
if (proxyUrl != undefined) {
const response = await fetch(new URL("/client/server.json", proxyUrl), {
method: Method.Get,
signal: timeoutSignal(10 * 1000), // 10s
});
if (response.status === 200) {
logger.log("checkSupport: well-known sliding sync proxy is up at", proxyUrl);
SlidingSyncController.serverSupportsSlidingSync = true;
}
}
SlidingSyncController.serverSupportsSlidingSync = false;
}
}

2
src/i18n/strings/en_EN.json
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@ -1470,7 +1470,7 @@
"render_reaction_images_description": "Sometimes referred to as \"custom emojis\".",
"report_to_moderators": "Report to moderators",
"report_to_moderators_description": "In rooms that support moderation, the “Report” button will let you report abuse to room moderators.",
"sliding_sync": "Sliding Sync mode",
"sliding_sync": "Simplified Sliding Sync mode",
"sliding_sync_description": "Under active development, cannot be disabled.",
"sliding_sync_disabled_notice": "Log out and back in to disable",
"sliding_sync_server_no_support": "Your server lacks support",

5
src/settings/Settings.tsx
View File

@ -388,11 +388,6 @@ export const SETTINGS: { [setting: string]: ISetting } = {
default: false,
controller: new SlidingSyncController(),
},
"feature_sliding_sync_proxy_url": {
// This is not a distinct feature, it is a legacy setting for feature_sliding_sync above
supportedLevels: LEVELS_DEVICE_ONLY_SETTINGS_WITH_CONFIG,
default: "",
},
"feature_element_call_video_rooms": {
isFeature: true,
labsGroup: LabGroup.VoiceAndVideo,

73
test/SlidingSyncManager-test.ts
View File

@ -14,7 +14,6 @@ import fetchMockJest from "fetch-mock-jest";
import { SlidingSyncManager } from "../src/SlidingSyncManager";
import { stubClient } from "./test-utils";
import SlidingSyncController from "../src/settings/controllers/SlidingSyncController";
import SettingsStore from "../src/settings/SettingsStore";
jest.mock("matrix-js-sdk/src/sliding-sync");
const MockSlidingSync = <jest.Mock<SlidingSync>>(<unknown>SlidingSync);
@ -41,7 +40,6 @@ describe("SlidingSyncManager", () => {
const roomId = "!room:id";
const subs = new Set<string>();
mocked(slidingSync.getRoomSubscriptions).mockReturnValue(subs);
mocked(slidingSync.modifyRoomSubscriptions).mockResolvedValue("yep");
await manager.setRoomVisible(roomId, true);
expect(slidingSync.modifyRoomSubscriptions).toHaveBeenCalledWith(new Set<string>([roomId]));
});
@ -67,7 +65,6 @@ describe("SlidingSyncManager", () => {
});
const subs = new Set<string>();
mocked(slidingSync.getRoomSubscriptions).mockReturnValue(subs);
mocked(slidingSync.modifyRoomSubscriptions).mockResolvedValue("yep");
await manager.setRoomVisible(roomId, true);
expect(slidingSync.modifyRoomSubscriptions).toHaveBeenCalledWith(new Set<string>([roomId]));
// we aren't prescriptive about what the sub name is.
@ -95,7 +92,6 @@ describe("SlidingSyncManager", () => {
mocked(slidingSync.getListParams).mockReturnValue({
ranges: [[0, 42]],
});
mocked(slidingSync.setList).mockResolvedValue("yep");
await manager.ensureListRegistered(listKey, {
sort: ["by_recency"],
});
@ -201,61 +197,11 @@ describe("SlidingSyncManager", () => {
describe("checkSupport", () => {
beforeEach(() => {
SlidingSyncController.serverSupportsSlidingSync = false;
jest.spyOn(manager, "getProxyFromWellKnown").mockResolvedValue("https://proxy/");
});
it("shorts out if the server has 'native' sliding sync support", async () => {
jest.spyOn(manager, "nativeSlidingSyncSupport").mockResolvedValue(true);
expect(SlidingSyncController.serverSupportsSlidingSync).toBeFalsy();
await manager.checkSupport(client);
expect(manager.getProxyFromWellKnown).not.toHaveBeenCalled(); // We return earlier
expect(SlidingSyncController.serverSupportsSlidingSync).toBeTruthy();
});
it("tries to find a sliding sync proxy url from the client well-known if there's no 'native' support", async () => {
jest.spyOn(manager, "nativeSlidingSyncSupport").mockResolvedValue(false);
expect(SlidingSyncController.serverSupportsSlidingSync).toBeFalsy();
await manager.checkSupport(client);
expect(manager.getProxyFromWellKnown).toHaveBeenCalled();
expect(SlidingSyncController.serverSupportsSlidingSync).toBeTruthy();
});
it("should query well-known on server_name not baseUrl", async () => {
fetchMockJest.get("https://matrix.org/.well-known/matrix/client", {
"m.homeserver": {
base_url: "https://matrix-client.matrix.org",
server: "matrix.org",
},
"org.matrix.msc3575.proxy": {
url: "https://proxy/",
},
});
fetchMockJest.get("https://matrix-client.matrix.org/_matrix/client/versions", { versions: ["v1.4"] });
mocked(manager.getProxyFromWellKnown).mockRestore();
jest.spyOn(manager, "nativeSlidingSyncSupport").mockResolvedValue(false);
expect(SlidingSyncController.serverSupportsSlidingSync).toBeFalsy();
await manager.checkSupport(client);
expect(SlidingSyncController.serverSupportsSlidingSync).toBeTruthy();
expect(fetchMockJest).not.toHaveFetched("https://matrix-client.matrix.org/.well-known/matrix/client");
});
});
describe("nativeSlidingSyncSupport", () => {
beforeEach(() => {
SlidingSyncController.serverSupportsSlidingSync = false;
});
it("should make an OPTIONS request to avoid unintended side effects", async () => {
// See https://github.com/element-hq/element-web/issues/27426
const unstableSpy = jest
.spyOn(client, "doesServerSupportUnstableFeature")
.mockImplementation(async (feature: string) => {
expect(feature).toBe("org.matrix.simplified_msc3575");
return true;
});
const proxySpy = jest.spyOn(manager, "getProxyFromWellKnown").mockResolvedValue("https://proxy/");
expect(SlidingSyncController.serverSupportsSlidingSync).toBeFalsy();
await manager.checkSupport(client); // first thing it does is call nativeSlidingSyncSupport
expect(proxySpy).not.toHaveBeenCalled();
expect(unstableSpy).toHaveBeenCalled();
expect(SlidingSyncController.serverSupportsSlidingSync).toBeTruthy();
});
});
@ -264,28 +210,11 @@ describe("SlidingSyncManager", () => {
jest.spyOn(manager, "configure");
jest.spyOn(manager, "startSpidering");
});
it("uses the baseUrl as a proxy if no proxy is set in the client well-known and the server has no native support", async () => {
it("uses the baseUrl", async () => {
await manager.setup(client);
expect(manager.configure).toHaveBeenCalled();
expect(manager.configure).toHaveBeenCalledWith(client, client.baseUrl);
expect(manager.startSpidering).toHaveBeenCalled();
});
it("uses the proxy declared in the client well-known", async () => {
jest.spyOn(manager, "getProxyFromWellKnown").mockResolvedValue("https://proxy/");
await manager.setup(client);
expect(manager.configure).toHaveBeenCalled();
expect(manager.configure).toHaveBeenCalledWith(client, "https://proxy/");
expect(manager.startSpidering).toHaveBeenCalled();
});
it("uses the legacy `feature_sliding_sync_proxy_url` if it was set", async () => {
jest.spyOn(manager, "getProxyFromWellKnown").mockResolvedValue("https://proxy/");
jest.spyOn(SettingsStore, "getValue").mockImplementation((name: string) => {
if (name === "feature_sliding_sync_proxy_url") return "legacy-proxy";
});
await manager.setup(client);
expect(manager.configure).toHaveBeenCalled();
expect(manager.configure).toHaveBeenCalledWith(client, "legacy-proxy");
expect(manager.startSpidering).toHaveBeenCalled();
});
});
});