| 1 | import * as Schema from "effect/Schema"; |
| 2 | |
| 3 | /** |
| 4 | * Filename (under `~/.alchemy/credentials/{profile}/`) used to cache the |
| 5 | * Cloudflare-deployed HTTP state store's endpoint + bearer token. |
| 6 | * |
| 7 | * Kept in this leaf module (rather than `StateStore/State.ts`) so the |
| 8 | * Cloudflare auth provider can invalidate the cache on |
| 9 | * `profile edit` / provider logout without importing the heavy state-store |
| 10 | * module and creating an import cycle |
| 11 | * (`StateStore/State.ts` -> `Providers.ts` -> `Auth/AuthProvider.ts`). |
| 12 | */ |
| 13 | export const CREDENTIALS_FILE = "cloudflare-state-store"; |
| 14 | |
| 15 | /** |
| 16 | * On-disk shape of the cached Cloudflare state-store credentials. |
| 17 | * |
| 18 | * Extends the generic `HttpStateStoreCredentials` (`{ url, authToken }`) |
| 19 | * with the `accountId` the credentials were minted against. The `url` already |
| 20 | * encodes the account (via the `*.workers.dev` subdomain), so a cache written |
| 21 | * while logged into account A keeps pointing at account A's state store even |
| 22 | * after the user re-authenticates against account B. Persisting `accountId` |
| 23 | * lets `state()` detect that mismatch and re-derive. |
| 24 | * |
| 25 | * `accountId` is optional so legacy files written before this field existed |
| 26 | * still parse — they are treated as stale (see |
| 27 | * {@link isStateStoreCredentialsStale}) and re-derived on next use. |
| 28 | */ |
| 29 | export const StoredStateStoreCredentials = Schema.Struct({ |
| 30 | url: Schema.String, |
| 31 | /** Bearer token used to authenticate every request. */ |
| 32 | authToken: Schema.String, |
| 33 | /** Cloudflare account ID the `url`/`authToken` were minted against. */ |
| 34 | accountId: Schema.optional(Schema.String), |
| 35 | }); |
| 36 | export type StoredStateStoreCredentials = |
| 37 | typeof StoredStateStoreCredentials.Type; |
| 38 | |
| 39 | /** |
| 40 | * `true` when cached state-store credentials must not be trusted for the |
| 41 | * current account: |
| 42 | * |
| 43 | * - the file predates the `accountId` field (legacy cache — exactly the |
| 44 | * artifact that caused deploys to silently target the wrong account), or |
| 45 | * - it was minted against a different account than the one now in use. |
| 46 | * |
| 47 | * A stale cache is discarded and re-derived from the current account. |
| 48 | */ |
| 49 | export const isStateStoreCredentialsStale = ( |
| 50 | credentials: StoredStateStoreCredentials, |
| 51 | currentAccountId: string, |
| 52 | ): boolean => |
| 53 | credentials.accountId == null || credentials.accountId !== currentAccountId; |