cc333637dd
* Remove home link on desktop app * Spellcheck, installation toasts, background styling, … * Add email,slack, auth support * More desktop style tweaks * Move redirect to client * cleanup * Record desktop usage * docs * fix: Selection state in search input when double clicking header
85 lines
3.1 KiB
TypeScript
85 lines
3.1 KiB
TypeScript
import passport from "@outlinewiki/koa-passport";
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import { Context } from "koa";
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import env from "@server/env";
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import Logger from "@server/logging/Logger";
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import { AuthenticationResult } from "@server/types";
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import { signIn } from "@server/utils/authentication";
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import { parseState } from "@server/utils/passport";
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export default function createMiddleware(providerName: string) {
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return function passportMiddleware(ctx: Context) {
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return passport.authorize(
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providerName,
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{
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session: false,
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},
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async (err, user, result: AuthenticationResult) => {
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if (err) {
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Logger.error("Error during authentication", err);
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if (err.id) {
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const notice = err.id.replace(/_/g, "-");
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const redirectUrl = err.redirectUrl ?? "/";
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const hasQueryString = redirectUrl?.includes("?");
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// Every authentication action is routed through the apex domain.
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// But when there is an error, we want to redirect the user on the
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// same domain or subdomain that they originated from (found in state).
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// get original host
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const state = ctx.cookies.get("state");
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const host = state ? parseState(state).host : ctx.hostname;
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// form a URL object with the err.redirectUrl and replace the host
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const reqProtocol = ctx.protocol;
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const requestHost = ctx.get("host");
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const url = new URL(
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`${reqProtocol}://${requestHost}${redirectUrl}`
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);
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url.host = host;
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return ctx.redirect(
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`${url.toString()}${hasQueryString ? "&" : "?"}notice=${notice}`
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);
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}
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if (env.ENVIRONMENT === "development") {
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throw err;
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}
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return ctx.redirect(`/?notice=auth-error`);
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}
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// Passport.js may invoke this callback with err=null and user=null in
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// the event that error=access_denied is received from the OAuth server.
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// I'm not sure why this exception to the rule exists, but it does:
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// https://github.com/jaredhanson/passport-oauth2/blob/e20f26aad60ed54f0e7952928cbb64979ef8da2b/lib/strategy.js#L135
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if (!user) {
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return ctx.redirect(`/?notice=auth-error`);
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}
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// Handle errors from Azure which come in the format: message, Trace ID,
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// Correlation ID, Timestamp in these two query string parameters.
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const { error, error_description } = ctx.request.query;
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if (error && error_description) {
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Logger.error(
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"Error from Azure during authentication",
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new Error(String(error_description))
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);
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// Display only the descriptive message to the user, log the rest
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const description = String(error_description).split("Trace ID")[0];
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return ctx.redirect(`/?notice=auth-error&description=${description}`);
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}
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if (result.user.isSuspended) {
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return ctx.redirect("/?notice=suspended");
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}
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await signIn(ctx, providerName, result);
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}
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)(ctx);
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};
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}
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