491f0cd08a
* Copyright headers 1 * Licence headers 2 * Copyright Headers 3 * Copyright Headers 4 * Copyright Headers 5 * Copyright Headers 6 * Copyright headers 7 * Add copyright headers for html and config file * Replace license files and update package.json * Update with CLA * lint
86 lines
3.1 KiB
TypeScript
86 lines
3.1 KiB
TypeScript
/*
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Copyright 2024 New Vector Ltd.
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Copyright 2019 The Matrix.org Foundation C.I.C.
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SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
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Please see LICENSE files in the repository root for full details.
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*/
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import PermalinkConstructor, { PermalinkParts } from "./PermalinkConstructor";
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export const host = "matrix.to";
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export const baseUrl = `https://${host}`;
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export const baseUrlPattern = `^(?:https?://)?${host.replace(".", "\\.")}/#/(.*)`;
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/**
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* Generates matrix.to permalinks
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*/
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export default class MatrixToPermalinkConstructor extends PermalinkConstructor {
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public constructor() {
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super();
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}
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public forEvent(roomId: string, eventId: string, serverCandidates: string[]): string {
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return `${baseUrl}/#/${roomId}/${eventId}${this.encodeServerCandidates(serverCandidates)}`;
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}
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public forRoom(roomIdOrAlias: string, serverCandidates: string[]): string {
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return `${baseUrl}/#/${roomIdOrAlias}${this.encodeServerCandidates(serverCandidates)}`;
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}
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public forUser(userId: string): string {
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return `${baseUrl}/#/${userId}`;
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}
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public forEntity(entityId: string): string {
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return `${baseUrl}/#/${entityId}`;
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}
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public isPermalinkHost(testHost: string): boolean {
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return testHost === host;
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}
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public encodeServerCandidates(candidates: string[]): string {
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if (!candidates || candidates.length === 0) return "";
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return `?via=${candidates.map((c) => encodeURIComponent(c)).join("&via=")}`;
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}
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// Heavily inspired by/borrowed from the matrix-bot-sdk (with permission):
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// https://github.com/turt2live/matrix-js-bot-sdk/blob/7c4665c9a25c2c8e0fe4e509f2616505b5b66a1c/src/Permalinks.ts#L33-L61
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public parsePermalink(fullUrl: string): PermalinkParts {
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if (!fullUrl) {
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throw new Error("Does not appear to be a permalink");
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}
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const matches = [...fullUrl.matchAll(new RegExp(baseUrlPattern, "gi"))][0];
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if (!matches || matches.length < 2) {
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throw new Error("Does not appear to be a permalink");
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}
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const parts = matches[1].split("/");
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const entity = parts[0];
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if (entity[0] === "@") {
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// Probably a user, no further parsing needed.
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return PermalinkParts.forUser(entity);
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} else if (entity[0] === "#" || entity[0] === "!") {
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if (parts.length === 1) {
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// room without event permalink
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const [roomId, query = ""] = entity.split("?");
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const via = query.split(/&?via=/g).filter((p) => !!p);
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return PermalinkParts.forRoom(roomId, via);
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}
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// rejoin the rest because v3 events can have slashes (annoyingly)
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const eventIdAndQuery = parts.length > 1 ? parts.slice(1).join("/") : "";
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const [eventId, query = ""] = eventIdAndQuery.split("?");
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const via = query.split(/&?via=/g).filter((p) => !!p);
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return PermalinkParts.forEvent(entity, eventId, via);
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} else {
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throw new Error("Unknown entity type in permalink");
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}
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}
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}
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