feature: initial commit

public/api/users/:id/index.ts

@@ -0,0 +1,149 @@
+import { PASSWORD_ENTRY, PASSWORD_ENTRY_STORE } from '../../../../models/password_entry.ts';
+import { SESSIONS } from '../../../../models/session.ts';
+import { USER, USER_STORE } from '../../../../models/user.ts';
+import { USER_PERMISSIONS, USER_PERMISSIONS_STORE } from '../../../../models/user_permissions.ts';
+import parse_body from '../../../../utils/bodyparser.ts';
+
+export const PERMISSIONS: Record<string, (req: Request, meta: Record<string, any>) => Promise<boolean>> = {};
+
+// GET /api/users/:id - Get single user
+PERMISSIONS.GET = (_req: Request, meta: Record<string, any>): Promise<boolean> => {
+	const user_is_self = !!meta.user && !!meta.params && meta.user.id === meta.params.id;
+	const can_read_self = meta.user_permissions?.permissions.includes('self.read');
+	const can_read_others = meta.user_permissions?.permissions?.includes('users.read');
+
+	return can_read_others || (can_read_self && user_is_self);
+};
+export async function GET(_req: Request, meta: Record<string, any>): Promise<Response> {
+	const user_id: string = meta.params?.id?.toLowerCase().trim() ?? '';
+	const user: USER | null = user_id.length === 49 ? await USER_STORE.get(user_id) : null; // lurid is 49 chars as we use them, eg: "also-play-flow-want-form-wide-thus-work-burn-same"
+
+	if (!user) {
+		return Response.json({
+			error: {
+				message: `Could not locate a user with id: "${user_id}"`,
+				cause: 'unknown_user'
+			}
+		}, {
+			status: 404
+		});
+	}
+
+	const user_is_self = meta.user?.id === user.id;
+	const has_permission_to_read = (user_is_self && meta.user_permissions?.permissions?.includes('self.read')) ||
+		(meta.user_permissions?.permissions?.includes('users.read'));
+
+	if (!has_permission_to_read) {
+		return Response.json({
+			error: {
+				message: 'Permission denied.',
+				cause: 'permission_denied'
+			}
+		}, {
+			status: 400
+		});
+	}
+
+	return Response.json(user, {
+		status: 200
+	});
+}
+
+// PUT /api/users/:id - Update user
+PERMISSIONS.PUT = (_req: Request, meta: Record<string, any>): Promise<boolean> => {
+	const user_is_self = !!meta.user && !!meta.params && meta.user.id === meta.params.id;
+	const can_write_self = meta.user_permissions?.permissions.includes('self.write');
+	const can_write_others = meta.user_permissions?.permissions?.includes('users.write');
+
+	return can_write_others || (can_write_self && user_is_self);
+};
+export async function PUT(req: Request, meta: { params: Record<string, any> }): Promise<Response> {
+	const now = new Date().toISOString();
+	const id: string = meta.params.id ?? '';
+	const existing = await USER_STORE.get(id);
+
+	if (!existing) {
+		return Response.json({
+			error: {
+				message: 'User not found',
+				cause: 'unknown_user'
+			}
+		}, {
+			status: 404
+		});
+	}
+
+	try {
+		const body = await parse_body(req);
+		const updated = {
+			...existing,
+			username: body.username || existing.username,
+			timestamps: {
+				created: existing.timestamps.created,
+				updated: now
+			}
+		};
+
+		await USER_STORE.update(updated);
+		return Response.json(updated, {
+			status: 200
+		});
+	} catch (err) {
+		return Response.json({
+			error: {
+				message: (err as Error)?.message ?? 'Unknown error due to invalid user data.',
+				cause: (err as Error)?.cause ?? 'invalid_user_data'
+			}
+		}, {
+			status: 400
+		});
+	}
+}
+
+// DELETE /api/users/:id - Delete user
+PERMISSIONS.DELETE = (_req: Request, meta: Record<string, any>): Promise<boolean> => {
+	const user_is_self = !!meta.user && !!meta.params && meta.user.id === meta.params.id;
+	const can_write_self = meta.user_permissions?.permissions.includes('self.write');
+	const can_write_others = meta.user_permissions?.permissions?.includes('users.write');
+
+	return can_write_others || (can_write_self && user_is_self);
+};
+export async function DELETE(_req: Request, meta: { params: Record<string, any> }): Promise<Response> {
+	const user_id: string = meta.params.id ?? '';
+
+	const user: USER | null = await USER_STORE.get(user_id);
+	if (!user) {
+		return Response.json({
+			error: {
+				message: 'Error deleting user.',
+				cause: 'unknown_user'
+			}
+		}, {
+			status: 404
+		});
+	}
+
+	const password_entry: PASSWORD_ENTRY | null = await PASSWORD_ENTRY_STORE.get(user_id);
+	if (password_entry) {
+		await PASSWORD_ENTRY_STORE.delete(password_entry);
+	}
+	const user_permissions: USER_PERMISSIONS | null = await USER_PERMISSIONS_STORE.get(user_id);
+	if (user_permissions) {
+		await USER_PERMISSIONS_STORE.delete(user_permissions);
+	}
+
+	const sessions = await SESSIONS.find({
+		user_id
+	});
+	for (const session of sessions) {
+		await SESSIONS.delete(session);
+	}
+
+	await USER_STORE.delete(user);
+
+	return Response.json({
+		deleted: true
+	}, {
+		status: 200
+	});
+}