55 lines
1.4 KiB
TypeScript
55 lines
1.4 KiB
TypeScript
/**
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* Keeps the server and the client agreed on what each role may do. The server
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* enforces this table (`api/lib/permissions.ts`, `api/routes/ws.ts`) and the
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* client reads the same one to hide what a role can't do
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* (`src/utils/auth/permissions.ts`).
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*
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* @module
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*/
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import type { Role } from "./user.ts";
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/**
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* An action only some roles may take. A new one goes in this union and in
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* `ALL_PERMISSIONS`, which is what grants it to admins.
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*/
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export type Permission =
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| "dump:moderate"
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| "comment:moderate"
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| "playlist:moderate"
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| "chat:moderate"
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| "user:manage"
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| "category:manage";
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const ALL_PERMISSIONS: readonly Permission[] = [
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"dump:moderate",
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"comment:moderate",
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"playlist:moderate",
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"chat:moderate",
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"user:manage",
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"category:manage",
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];
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/**
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* Read through {@link hasPermission}. Roles are fixed in code. An admin holds
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* every permission, and a moderator the moderation ones only.
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*/
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export const ROLE_PERMISSIONS: Record<Role, readonly Permission[]> = {
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admin: ALL_PERMISSIONS,
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moderator: [
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"dump:moderate",
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"comment:moderate",
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"playlist:moderate",
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"chat:moderate",
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],
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user: [],
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};
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/**
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* Checks whether `role` grants `permission`. The server's `can` and the
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* client's `can` both wrap it.
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*/
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export function hasPermission(role: Role, permission: Permission): boolean {
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return ROLE_PERMISSIONS[role].includes(permission);
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}
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