114 lines
4.1 KiB
TypeScript
114 lines
4.1 KiB
TypeScript
import { logger } from "matrix-js-sdk/src/logger";
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import { getVectorConfig } from "../getconfig";
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function onBackToElementClick(): void {
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// Cookie should expire in 4 hours
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document.cookie = "element_mobile_redirect_to_guide=false;path=/;max-age=14400";
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window.location.href = "../";
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}
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// NEVER pass user-controlled content to this function! Hardcoded strings only please.
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function renderConfigError(message: string): void {
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const contactMsg =
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"If this is unexpected, please contact your system administrator " + "or technical support representative.";
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message = `<h2>Error loading Element</h2><p>${message}</p><p>${contactMsg}</p>`;
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const toHide = document.getElementsByClassName("mx_HomePage_container");
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const errorContainers = document.getElementsByClassName(
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"mx_HomePage_errorContainer",
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) as HTMLCollectionOf<HTMLDivElement>;
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for (const e of toHide) {
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// We have to clear the content because .style.display='none'; doesn't work
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// due to an !important in the CSS.
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e.innerHTML = "";
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}
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for (const e of errorContainers) {
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e.style.display = "block";
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e.innerHTML = message;
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}
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}
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async function initPage(): Promise<void> {
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document.getElementById("back_to_element_button").onclick = onBackToElementClick;
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const config = await getVectorConfig("..");
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// We manually parse the config similar to how validateServerConfig works because
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// calling that function pulls in roughly 4mb of JS we don't use.
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const wkConfig = config["default_server_config"]; // overwritten later under some conditions
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const serverName = config["default_server_name"];
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const defaultHsUrl = config["default_hs_url"];
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const defaultIsUrl = config["default_is_url"];
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const incompatibleOptions = [wkConfig, serverName, defaultHsUrl].filter((i) => !!i);
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if (incompatibleOptions.length > 1) {
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return renderConfigError(
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"Invalid configuration: can only specify one of default_server_config, default_server_name, " +
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"or default_hs_url.",
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);
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}
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if (incompatibleOptions.length < 1) {
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return renderConfigError("Invalid configuration: no default server specified.");
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}
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let hsUrl = "";
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let isUrl = "";
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if (wkConfig && wkConfig["m.homeserver"]) {
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hsUrl = wkConfig["m.homeserver"]["base_url"];
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if (wkConfig["m.identity_server"]) {
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isUrl = wkConfig["m.identity_server"]["base_url"];
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}
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}
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if (serverName) {
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// We also do our own minimal .well-known validation to avoid pulling in the js-sdk
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try {
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const result = await fetch(`https://${serverName}/.well-known/matrix/client`);
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const wkConfig = await result.json();
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if (wkConfig && wkConfig["m.homeserver"]) {
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hsUrl = wkConfig["m.homeserver"]["base_url"];
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if (wkConfig["m.identity_server"]) {
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isUrl = wkConfig["m.identity_server"]["base_url"];
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}
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}
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} catch (e) {
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logger.error(e);
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return renderConfigError("Unable to fetch homeserver configuration");
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}
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}
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if (defaultHsUrl) {
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hsUrl = defaultHsUrl;
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isUrl = defaultIsUrl;
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}
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if (!hsUrl) {
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return renderConfigError("Unable to locate homeserver");
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}
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if (hsUrl && !hsUrl.endsWith("/")) hsUrl += "/";
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if (isUrl && !isUrl.endsWith("/")) isUrl += "/";
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if (hsUrl !== "https://matrix.org/") {
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(document.getElementById("configure_element_button") as HTMLAnchorElement).href =
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"https://mobile.element.io?hs_url=" + encodeURIComponent(hsUrl) + "&is_url=" + encodeURIComponent(isUrl);
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document.getElementById("step1_heading").innerHTML = "1: Install the app";
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document.getElementById("step2_container").style.display = "block";
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document.getElementById("hs_url").innerText = hsUrl;
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if (isUrl) {
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document.getElementById("custom_is").style.display = "block";
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document.getElementById("is_url").style.display = "block";
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document.getElementById("is_url").innerText = isUrl;
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}
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}
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}
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initPage();
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