| 1 | /** |
| 2 | * The confirmation gate: a signed-in person whose account has not confirmed |
| 3 | * its email address is sent to /confirm-email from every page, except the |
| 4 | * pages that page needs (confirming by link, signing out and in again, |
| 5 | * resetting a password) and the public pages about g1t: its policies, |
| 6 | * security, support, status and prices. No Workers or React imports, so it |
| 7 | * can be tested under Node. |
| 8 | */ |
| 9 | |
| 10 | /** Where an account confirms its address: the code, a new one, a new address. */ |
| 11 | export const CONFIRM_PATH = "/confirm-email"; |
| 12 | |
| 13 | /** Pages a pending account can open as they are. */ |
| 14 | const OPEN = new Set([ |
| 15 | CONFIRM_PATH, |
| 16 | // The link in the email, which confirms whoever follows it. |
| 17 | "/verify", |
| 18 | "/logout", |
| 19 | "/login", |
| 20 | "/login/two-factor", |
| 21 | "/register", |
| 22 | "/forgot", |
| 23 | "/reset", |
| 24 | // Who makes g1t and the promises it keeps. |
| 25 | "/policies", |
| 26 | "/security", |
| 27 | "/support", |
| 28 | "/status", |
| 29 | "/status.json", |
| 30 | "/pricing", |
| 31 | ]); |
| 32 | |
| 33 | /** Prefixes of the same: each policy, signing in with GitHub, well-known files. */ |
| 34 | const OPEN_UNDER = ["/policies/", "/auth/github", "/.well-known/"]; |
| 35 | |
| 36 | type Pending = { kind?: string; verified?: boolean } | null | undefined; |
| 37 | |
| 38 | /** The page a data request (`/foo.data`, `/_root.data`) is for. */ |
| 39 | export function pageOf(pathname: string): string { |
| 40 | if (!pathname.endsWith(".data")) return pathname; |
| 41 | const page = pathname.slice(0, -".data".length); |
| 42 | return page === "/_root" || page === "" ? "/" : page; |
| 43 | } |
| 44 | |
| 45 | /** Whether a pending account may open `pathname` as it is. */ |
| 46 | export function openWhilePending(pathname: string): boolean { |
| 47 | const page = pageOf(pathname); |
| 48 | const path = page.length > 1 ? page.replace(/\/+$/, "") : page; |
| 49 | return OPEN.has(path) || OPEN_UNDER.some((prefix) => path.startsWith(prefix)); |
| 50 | } |
| 51 | |
| 52 | /** |
| 53 | * Where to send `viewer` instead of `pathname` + `search`: the confirmation |
| 54 | * page, with where they were going as `next`; null when the page is theirs |
| 55 | * to open (confirmed, signed out, an agent or a workspace, or a page in the |
| 56 | * list above). |
| 57 | */ |
| 58 | export function confirmGate(pathname: string, search: string, viewer: Pending): string | null { |
| 59 | if (!viewer || (viewer.kind ?? "user") !== "user" || viewer.verified) return null; |
| 60 | if (openWhilePending(pathname)) return null; |
| 61 | const page = pageOf(pathname); |
| 62 | // A data request's own parameters are not where they were going. |
| 63 | const params = new URLSearchParams(search); |
| 64 | params.delete("_routes"); |
| 65 | const query = params.toString(); |
| 66 | const next = page === "/" && !query ? "" : `?next=${encodeURIComponent(page + (query ? `?${query}` : ""))}`; |
| 67 | return `${CONFIRM_PATH}${next}`; |
| 68 | } |
| 69 | |
| 70 | /** What the confirmation page says once a code or link has worked. */ |
| 71 | export function confirmedLine(done: { joined?: string | null; inviteLapsed?: string | null }): string { |
| 72 | if (done.inviteLapsed) return done.inviteLapsed; |
| 73 | if (done.joined) return `Your email address is confirmed, and you have joined ${done.joined}.`; |
| 74 | return "Your email address is confirmed."; |
| 75 | } |
| 76 | |
| 77 | /** Where to go once confirmed: back where they were going, else the workspace joined, else home. */ |
| 78 | export function afterConfirming(next: string, joined?: string | null): string { |
| 79 | if (next && next !== "/") return next; |
| 80 | return joined ? `/${joined}` : "/"; |
| 81 | } |