forked from mystiq/hydrogen-web
134 lines
4.3 KiB
JavaScript
134 lines
4.3 KiB
JavaScript
/*
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Copyright 2020 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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export class URLRouter {
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constructor({history, navigation, parseUrlPath, stringifyPath}) {
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this._history = history;
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this._navigation = navigation;
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this._parseUrlPath = parseUrlPath;
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this._stringifyPath = stringifyPath;
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this._subscription = null;
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this._pathSubscription = null;
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this._isApplyingUrl = false;
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this._defaultSessionId = this._getLastSessionId();
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}
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_getLastSessionId() {
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const navPath = this._urlAsNavPath(this._history.getLastSessionUrl() || "");
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const sessionId = navPath.get("session")?.value;
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if (typeof sessionId === "string") {
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return sessionId;
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}
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return null;
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}
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attach() {
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this._subscription = this._history.subscribe(url => this._applyUrl(url));
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// subscribe to path before applying initial url
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// so redirects in _applyNavPathToHistory are reflected in url bar
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this._pathSubscription = this._navigation.pathObservable.subscribe(path => this._applyNavPathToHistory(path));
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this._applyUrl(this._history.get());
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}
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dispose() {
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this._subscription = this._subscription();
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this._pathSubscription = this._pathSubscription();
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}
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_applyNavPathToHistory(path) {
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const url = this.urlForPath(path);
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if (url !== this._history.get()) {
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if (this._isApplyingUrl) {
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// redirect
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this._history.replaceUrlSilently(url);
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} else {
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this._history.pushUrlSilently(url);
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}
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}
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}
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_applyNavPathToNavigation(navPath) {
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// this will cause _applyNavPathToHistory to be called,
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// so set a flag whether this request came from ourselves
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// (in which case it is a redirect if the url does not match the current one)
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this._isApplyingUrl = true;
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this._navigation.applyPath(navPath);
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this._isApplyingUrl = false;
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}
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_urlAsNavPath(url) {
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const urlPath = this._history.urlAsPath(url);
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return this._navigation.pathFrom(this._parseUrlPath(urlPath, this._navigation.path, this._defaultSessionId));
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}
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_applyUrl(url) {
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const navPath = this._urlAsNavPath(url);
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this._applyNavPathToNavigation(navPath);
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}
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pushUrl(url) {
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this._history.pushUrl(url);
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}
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tryRestoreLastUrl() {
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const lastNavPath = this._urlAsNavPath(this._history.getLastSessionUrl() || "");
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if (lastNavPath.segments.length !== 0) {
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this._applyNavPathToNavigation(lastNavPath);
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return true;
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}
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return false;
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}
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urlForSegments(segments) {
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let path = this._navigation.path;
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for (const segment of segments) {
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path = path.with(segment);
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if (!path) {
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return;
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}
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}
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return this.urlForPath(path);
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}
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urlForSegment(type, value) {
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return this.urlForSegments([this._navigation.segment(type, value)]);
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}
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urlUntilSegment(type) {
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return this.urlForPath(this._navigation.path.until(type));
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}
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urlForPath(path) {
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return this._history.pathAsUrl(this._stringifyPath(path));
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}
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openRoomActionUrl(roomId) {
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// not a segment to navigation knowns about, so append it manually
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const urlPath = `${this._stringifyPath(this._navigation.path.until("session"))}/open-room/${roomId}`;
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return this._history.pathAsUrl(urlPath);
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}
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createSSOCallbackURL() {
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return window.location.origin;
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}
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normalizeUrl() {
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// Remove any queryParameters from the URL
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// Gets rid of the loginToken after SSO
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this._history.replaceUrlSilently(`${window.location.origin}/${window.location.hash}`);
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}
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}
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