Files
OpenFrontIO/src/client/components
Evan 274b516ea3 feat(crazygames): backend login + surface the signed-in user (#4542)
Client-side CrazyGames login: exchange the SDK user token for our
session, then surface that identity in the UI. Implements the client
side of the [CrazyGames login handoff
guide](https://docs.crazygames.com/sdk/user/).

## Part 1 — Backend login (token exchange)

On CrazyGames we exchange the SDK's user token for our own session via
`POST /auth/crazygames`, instead of the cookie-based `/auth/refresh`
(the refresh cookie is `SameSite=Lax` and unusable from the CrazyGames
iframe).

- **`CrazyGamesSDK.ts`** — `getUserToken()` wrapper (awaits `ready()`,
gates on `isUserAccountAvailable`, returns `null` on throw / no
signed-in user).
- **`Auth.ts`** — `doRefreshJwt()` routes to `doCrazyGamesLogin()` when
on CrazyGames with a signed-in account; a `null` token (guest / no
account) falls through to the existing `/auth/refresh` flow.
`reauthAfterCrazyGamesChange()` drops the cached session on a
mid-session sign-in.
- **`Main.ts`** — `addAuthListener` re-runs auth + `getUserMe()` when
the player signs into CrazyGames mid-session.

Everything funnels through the existing `userAuth()` → `refreshJwt()`
path, so **startup login and the 15-min re-exchange on expiry come for
free** — no new expiry/polling code.

## Part 2 — Surface the signed-in user

- **Account button** shows the CrazyGames avatar + username when signed
in (clicking opens the account modal), or a **"Sign in"** that opens
CrazyGames' own `showAuthPrompt()` when a guest. Wired across every
entry point: the desktop nav pill, the mobile hamburger item (un-hidden
on CrazyGames by dropping `.no-crazygames`), and — since CrazyGames
renders below the `lg` breakpoint where the desktop nav is hidden — a
new button in the **homepage top bar's** right slot.
- **AccountModal** treats the CrazyGames user as logged-in: "Connected
as" avatar + username, currency/subscription, and stats/games/friends.
**No Discord/Google/email login+link buttons and no logout** (CrazyGames
owns the account). A guest who reaches the modal gets a CrazyGames
sign-in button, never Discord/Google.
- **`CrazyGamesSDK.ts`** — `getUserProfile()` + `showAuthPrompt()`
wrappers; `profilePictureUrl` added to the user type.

Identity comes from the SDK (`getUser()`), not `/users/@me`, which
doesn't surface CrazyGames identity yet.

## Behavior

- **Signed-in CrazyGames account** → real backend session; avatar +
username in the top bar; CrazyGames-only account modal.
- **CrazyGames guest / not signed in** → silent fallback to guest; "Sign
in" button opens `showAuthPrompt()`; auto-logged-in the moment they sign
in (via `addAuthListener`).
- **Not on CrazyGames** → completely unchanged.

## Testing

- `npx tsc --noEmit` — clean
- `npx eslint` on changed files — clean
- No new i18n keys (reuses `main.sign_in`, `account_modal.*`).
- No unit tests: this repo tests core sim only, and CrazyGames only
initializes inside a crazygames.com iframe, so the CG paths can't run
locally (the localhost SDK mock returns unsigned tokens the backend
rejects). **Needs a manual pass on the CrazyGames game page (gameId
`64178`)** covering: signed-in avatar/username + account modal, guest
"Sign in" → prompt, and mid-session sign-in.

## Assumptions to confirm (backend)

1. The `/auth/crazygames` JWT carries the same `iss` (`getApiBase()`)
and `aud` (`getAudience()`) as normal openfront.io tokens and satisfies
`TokenPayloadSchema` (incl. base64url `sub`) — otherwise `userAuth()`
will `logOut()`.
2. CrazyGames iframes our own origin (so `getApiBase()` →
`https://api.openfront.io`), consistent with the existing integration.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

---------

Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-09 08:02:45 -07:00
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