add unit tests for auth related functions.

src/hooks.server.ts

@@ -2,28 +2,33 @@ import * as auth from "$lib/server/auth";
 import { forbiddenResponse, unauthorizedResponse } from "$lib/server/responseBodies";
 import { routeAuth, type Method } from "$lib/server/routeAuth";
 import { type Handle } from "@sveltejs/kit";
+import { JWT_SECRET } from "$env/static/private";
 
-export const handle: Handle = async ({ event, resolve }) => {
-	const creds = await auth.authenticate(event);
+export const handle: Handle = getHandleFn(JWT_SECRET);
 
-	if (!creds) {
-		return unauthorizedResponse();
-	}
+export function getHandleFn(jwtSecret: string): Handle {
+	return async ({ event, resolve }) => {
+		const creds = await auth.authenticate(event, jwtSecret);
 
-	const authResult = auth.isAuthorized(
-		routeAuth,
-		event.request.method as Method,
-		event.url.pathname,
-		creds,
-	);
+		if (!creds) {
+			return unauthorizedResponse();
+		}
 
-	if (authResult === auth.AuthorizationResult.Denied) {
-		return forbiddenResponse();
-	} else if (authResult === auth.AuthorizationResult.Unauthenticated) {
-		return unauthorizedResponse();
-	}
+		const authResult = auth.isAuthorized(
+			routeAuth,
+			event.request.method as Method,
+			event.url.pathname,
+			creds,
+		);
 
-	event.locals.user = creds;
+		if (authResult === auth.AuthorizationResult.Denied) {
+			return forbiddenResponse();
+		} else if (authResult === auth.AuthorizationResult.Unauthenticated) {
+			return unauthorizedResponse();
+		}
 
-	return await resolve(event);
-};
+		event.locals.user = creds;
+
+		return await resolve(event);
+	};
+}

src/lib/GameEvent.ts

@@ -174,7 +174,9 @@ export class RollForFirst implements GameEvent {
 				state.dieCount = 6;
 			} else {
 				// ...otherwise, setup for tie breaking rolls.
-				state.scores = scores.map((_, i) => (ties.has(i) ? FIRST_ROLL_PENDING : FIRST_ROLL_LOST));
+				state.scores = scores.map((_, i) =>
+					ties.has(i) ? FIRST_ROLL_PENDING : FIRST_ROLL_LOST,
+				);
 			}
 		}
 	}
@@ -201,8 +203,6 @@ export class Roll implements GameEvent {
 	}
 
 	run(state: State) {
-		const scores = state.scores ?? [];
-
 		throwIfGameOver(state);
 		throwIfWrongTurn(state, this.player);
 
@@ -346,7 +346,11 @@ export class Score implements GameEvent {
 
 	run(state: State) {
 		const { dieCount, heldScore, scores } = state;
-		const playerCount = scores?.length ?? 0;
+		const playerCount = scores?.length;
+
+		if (!playerCount) {
+			throw new Error("there are no players");
+		}
 
 		throwIfGameOver(state);
 		throwIfWrongTurn(state, this.player);
@@ -361,12 +365,14 @@ export class Score implements GameEvent {
 
 		// It's safe to tell the compiler that the player is not undefined because of the
 		// check above.
-		state.scores![this.player] += heldScore ?? 0;
+		state.scores![this.player] += heldScore!;
 
 		// Increment the index of the active player, circling back to 1 if the player
 		// who just scored was the last player in the array.
 		state.playing =
-			playerCount - 1 === this.player ? (state.playing = 0) : (state.playing = this.player + 1);
+			playerCount - 1 === this.player
+				? (state.playing = 0)
+				: (state.playing = this.player + 1);
 
 		state.dieCount = 6;
 		delete state.heldScore;

src/lib/Listing.ts

@@ -1,17 +1,17 @@
-import { hasProperty } from "$lib/validation";
+import { hasOnlyKeys, hasProperty } from "$lib/validation";
 import { isId, type Id } from "$lib/Id";
 
 export interface Listing<T = unknown> {
 	id: Id;
 	createdAt: string;
-	modifiedAt: string | null;
 	deleted: boolean;
+	modifiedAt: string | null;
 	data: T;
 }
 
 export function isListing<T>(
 	target: unknown,
-	dataGuard?: (target: unknown) => target is T
+	dataGuard?: (target: unknown) => target is T,
 ): target is Listing<T> {
 	if (!hasProperty(target, "id", isId)) return false;
 	if (!hasProperty(target, "createdAt", "string")) return false;
@@ -23,5 +23,8 @@ export function isListing<T>(
 	if (!hasProperty(target, "deleted", "boolean")) return false;
 	if (!hasProperty(target, "data", "object")) return false;
 
+	if (!hasOnlyKeys(target, ["id", "createdAt", "modifiedAt", "deleted", "data"]))
+		return false;
+
 	return dataGuard?.((target as any)["data"]) ?? true;
 }

src/lib/ServerResponse.ts

@@ -7,6 +7,10 @@ export type ServerResponse =
 	| { error: string };
 
 export function isServerResponse(target: unknown): target is ServerResponse {
+	const props = Object.getOwnPropertyNames(target);
+
+	if (props.length !== 1) return false;
+
 	if (hasProperty(target, "item", "object")) return true;
 	if (hasProperty(target, "items", "object[]")) return true;
 	if (hasProperty(target, "error", "string")) return true;

src/lib/server/auth.ts

@@ -1,4 +1,3 @@
-import { JWT_SECRET } from "$env/static/private";
 import type { RequestEvent } from "@sveltejs/kit";
 import jwt from "jsonwebtoken";
 import { type Method, type RouteAuthRule } from "./routeAuth";
@@ -17,10 +16,10 @@ export enum AuthorizationResult {
 	Unauthenticated,
 }
 
-export async function createToken(listing: Listing<LoginData>) {
+export async function createToken(listing: Listing<LoginData>, secret: string) {
 	return await jwt.sign(
 		{ sub: listing.id, username: listing.data.username, role: listing.data.role },
-		JWT_SECRET,
+		secret,
 		{
 			expiresIn: "1d",
 		},
@@ -29,21 +28,13 @@ export async function createToken(listing: Listing<LoginData>) {
 
 export async function authenticate(
 	event: RequestEvent,
+	jwtSecret: string,
 ): Promise<LocalCredentials | null> {
-	let path = event.url.pathname;
+	const authHeader = event.request.headers.get("authorization");
 	let tokenKind: "Basic" | "Bearer" | "None";
 	let tokenRole: string;
 	let tokenDesc: LocalCredentials;
 
-	const parts = breakupPath(path);
-
-	if (parts[0] !== "api") {
-		// not concerned about requests made to the frontend server
-		return { kind: "None", role: "default" };
-	}
-
-	const authHeader = event.request.headers.get("authorization");
-
 	// get token kind and role from the header
 	if (!authHeader) {
 		// This is a stranger: they have no token and they will be assigned the default
@@ -58,7 +49,7 @@ export async function authenticate(
 			tokenKind = "Bearer";
 
 			// The role can be derived from the JWT token.
-			const payload = await jwt.verify(token, JWT_SECRET);
+			const payload = await jwt.verify(token, jwtSecret);
 			if (typeof payload === "string") {
 				// I do not assign, and don't know what to do with, these kinds of
 				// tokens. Perhaps an error should be logged here, since this is a
@@ -93,7 +84,7 @@ export async function authenticate(
 }
 
 export function isAuthorized(
-	roleRules: { [k: string]: RouteAuthRule[] },
+	roleRules: Record<string, RouteAuthRule[]>,
 	method: Method,
 	path: string,
 	creds: LocalCredentials,
@@ -125,8 +116,9 @@ export function isAuthorized(
 }
 
 function breakupPath(path: string): string[] {
-	// remove a leading /
+	// remove leading and trailing /
 	if (path[0] === "/") path = path.slice(1);
+	if (path[path.length - 1] === "/") path = path.slice(0, path.length - 1);
 
 	return path.split("/");
 }
@@ -144,6 +136,9 @@ function matchesRequest(
 	for (let i = 0; i < ruleParts.length; i++) {
 		const rulePart = ruleParts[i];
 		const reqPart = requestParts[i];
+
+		if (!reqPart) return false;
+
 		if (rulePart[0] === "[" && rulePart[rulePart.length - 1] === "]") {
 			// This part of the path represents an ID.
 			continue;
@@ -159,5 +154,7 @@ function matchesRequest(
 		}
 	}
 
-	return true;
+	// Finished comparing without seeing a wildcard, meaning the requested path
+	// and the path rules should also be the same length.
+	return requestParts.length === ruleParts.length;
 }

src/lib/server/cache.ts

@@ -1,4 +0,0 @@
-import type { GameData } from "$lib/GameData";
-import type { Listing } from "$lib/Listing";
-
-export const games: Listing<GameData>[] = [];

src/lib/server/mongo.ts

@@ -1,20 +1,28 @@
 import type { Listing } from "$lib/Listing";
-import { MongoClient, ObjectId, ServerApiVersion, type Document, type WithId } from "mongodb";
+import {
+	MongoClient,
+	ObjectId,
+	ServerApiVersion,
+	type Document,
+	type WithId,
+} from "mongodb";
 import type { Id } from "../Id";
 
 type ListingFromMongo = Omit<Listing, "id"> & { _id: ObjectId };
 
 const uri = `mongodb://127.0.0.1:27017`;
 const DATABASE = "ten-thousand";
-let client: MongoClient | null = null;
+let cachedClient: MongoClient | null = null;
+
+async function getClient() {
+	if (cachedClient !== null) return cachedClient;
 
-async function init() {
 	const c = new MongoClient(uri, {
 		serverApi: {
 			version: ServerApiVersion.v1,
 			strict: true,
-			deprecationErrors: true
-		}
+			deprecationErrors: true,
+		},
 	});
 
 	await c.connect();
@@ -22,55 +30,60 @@ async function init() {
 }
 
 export async function writeListing(col: string, listing: Listing) {
-	if (client === null) {
-		client = await init();
-	}
+	const client = await getClient();
 
 	await client.db(DATABASE).collection(col).insertOne(fixListingForMongo(listing));
 }
 
+export async function listCollection<T>(
+	col: string,
+	dataGuard: (target: unknown) => target is Listing<T>,
+) {
+	const client = await getClient();
+	const res = await client.db(DATABASE).collection(col).find();
+
+	return (await res.toArray()).map((doc) => fixListingFromMongo(doc, dataGuard));
+}
+
 export async function readListingById<T>(
 	col: string,
 	id: Id,
-	dataGuard: (target: unknown) => target is T
-) {}
+	dataGuard: (target: unknown) => target is Listing<T>,
+) {
+	const client = await getClient();
+	const res = await client.db(DATABASE).collection(col).findOne({ _id: id });
+
+	if (res === null) return null;
+	return fixListingFromMongo(res, dataGuard);
+}
 
 export async function readListingByQuery<T>(
 	col: string,
 	query: object,
-	dataGuard: (target: unknown) => target is Listing<T>
+	dataGuard: (target: unknown) => target is Listing<T>,
 ): Promise<Listing<T> | null> {
-	if (client === null) {
-		client = await init();
-	}
-
+	const client = await getClient();
 	const res = await client.db(DATABASE).collection(col).findOne(query);
 
-	if (res === null) {
-		return null;
-	}
+	if (res === null) return null;
 
 	return fixListingFromMongo(res, dataGuard);
 }
 
 function fixListingForMongo(listing: Listing): ListingFromMongo {
-	// TODO: These two statements are tricky without any. Perhaps id could be optional,
-	//       but that's kind of stupid because it's not optional on the type I'm
-	//       constructing. Figure out something better here.
-	const adjusted: any = { _id: listing.id, ...listing };
-	delete adjusted.id;
-	return adjusted;
+	const { id, ...rest } = listing;
+	return {
+		_id: id,
+		...rest,
+	};
 }
 
 function fixListingFromMongo<T>(
 	target: WithId<Document>,
-	dataGuard: (target: unknown) => target is Listing<T>
+	dataGuard: (target: unknown) => target is Listing<T>,
 ): Listing<T> {
-	// TODO: These two statements are tricky without any. Perhaps id could be optional,
-	//       but that's kind of stupid because it's not optional on the type I'm
-	//       constructing. Figure out something better here.
-	const adjusted: any = { id: target._id, ...target };
-	delete adjusted._id;
+	const { _id, ...rest } = target;
+	const adjusted = { id: _id, ...rest };
 
 	if (!dataGuard(adjusted)) {
 		throw new Error("the returned document does not conform to the provided type");

src/lib/server/routeAuth.ts

@@ -7,7 +7,7 @@ export interface RouteAuthRule {
 	tokenKind?: "None" | "Bearer" | "Basic"; // defaults to "Bearer"
 }
 
-export const routeAuth: { [k: string]: RouteAuthRule[] } = {
+export const routeAuth: Record<string, RouteAuthRule[]> = {
 	// default is an unknown user. They are allowed to create a new user for themselves
 	// without any token, and they are allowed to access the token endpoint to login with
 	// a Basic token. Other than that, they cannot do anything!

src/lib/server/test/auth.spec.ts

@@ -0,0 +1,456 @@
+import { describe, expect, it } from "vitest";
+import * as jwt from "jsonwebtoken";
+import type { Listing } from "$lib/Listing";
+import type { LoginData } from "$lib/Login";
+import { createId } from "$lib/Id";
+import {
+	authenticate,
+	AuthorizationResult,
+	createToken,
+	isAuthorized,
+	type LocalCredentials,
+} from "$lib/server/auth";
+import type { Cookies, RequestEvent } from "@sveltejs/kit";
+import type { Method, RouteAuthRule } from "$lib/server/routeAuth";
+
+type TestData = {
+	heading: string;
+	conditions: {
+		token: LocalCredentials;
+		method: Method;
+		path: string;
+	};
+	expectations: {
+		result: AuthorizationResult;
+	};
+};
+
+const JWT_SECRET = "server-secret";
+
+const loginListing: Listing<LoginData> = {
+	id: createId(),
+	createdAt: new Date().toString(),
+	modifiedAt: new Date().toString(),
+	deleted: false,
+	data: {
+		username: "Somebody Important",
+		password: "some-password-hash",
+		role: "test-role",
+	},
+};
+
+function getEvent(overrides: Partial<RequestEvent> = {}): RequestEvent {
+	const event: RequestEvent = {
+		cookies: {} as Cookies,
+		fetch: async (): Promise<Response> => {
+			return new Response();
+		},
+		getClientAddress: () => "",
+		locals: { user: {} },
+		params: {},
+		platform: undefined,
+		request: new Request(new URL("https://localhost/api")),
+		route: { id: "" },
+		setHeaders: () => {},
+		url: new URL("https://localhost/api"),
+		isDataRequest: false,
+		isSubRequest: false,
+	};
+
+	return { ...event, ...overrides };
+}
+
+describe("auth", () => {
+	describe("createToken", () => {
+		it("should create a json web token", async () => {
+			const token = await createToken(loginListing, "some-server-secret");
+
+			expect(jwt.decode(token)).to.not.be.null;
+		});
+	});
+
+	describe("authenticate", () => {
+		it("should return a default/'None' object when no auth header is present", async () => {
+			const event = getEvent();
+
+			expect(await authenticate(event, JWT_SECRET)).to.deep.equal({
+				kind: "None",
+				role: "default",
+			});
+		});
+
+		it("should return a 'Bearer' object with the correct user role when a valid jwt token is passed", async () => {
+			const token = await createToken(loginListing, JWT_SECRET);
+			const request = new Request("http://localhost/api", {
+				headers: [["Authorization", `Bearer ${token}`]],
+			});
+			const event = getEvent({ request });
+			const tokenDesc = await authenticate(event, JWT_SECRET);
+
+			expect(tokenDesc).property("kind", "Bearer");
+			const { payload, ...rest } = tokenDesc as {
+				kind: "Bearer";
+				role: string;
+				payload: jwt.JwtPayload;
+			};
+
+			expect(payload).property("sub", loginListing.id.toString());
+			expect(payload).property("username", loginListing.data.username);
+			expect(payload).property("role", loginListing.data.role);
+			expect(rest).to.deep.equal({
+				kind: "Bearer",
+				role: loginListing.data.role,
+			});
+		});
+
+		it("should return null if a JWT token payload is a string", async () => {
+			const token = await jwt.sign("I'm just a dumb string!", JWT_SECRET);
+
+			const request = new Request("http://localhost/api", {
+				headers: [["Authorization", `Bearer ${token}`]],
+			});
+
+			const event = getEvent({ request });
+			const tokenDesc = await authenticate(event, JWT_SECRET);
+
+			expect(tokenDesc).to.be.null;
+		});
+
+		it("should return null if a JWT token payload is missing a role", async () => {
+			const token = await jwt.sign(
+				{
+					sub: loginListing.id,
+					username: loginListing.data.username,
+				},
+				JWT_SECRET,
+				{
+					expiresIn: "1d",
+				},
+			);
+
+			const request = new Request("http://localhost/api", {
+				headers: [["Authorization", `Bearer ${token}`]],
+			});
+
+			const event = getEvent({ request });
+			const tokenDesc = await authenticate(event, JWT_SECRET);
+
+			expect(tokenDesc).to.be.null;
+		});
+
+		it("should return a default/'Basic' object when a Basic header is provided", async () => {
+			const user = "someuser";
+			const pass = "somepass";
+			const token = Buffer.from(`${user}:${pass}`).toString("base64");
+			const request = new Request("http://localhost/api", {
+				headers: [["Authorization", `Basic ${token}`]],
+			});
+
+			const event = getEvent({ request });
+			const tokenDesc = await authenticate(event, JWT_SECRET);
+
+			expect(tokenDesc).to.deep.equal({
+				kind: "Basic",
+				payload: {
+					username: user,
+					password: pass,
+				},
+				role: "default",
+			});
+		});
+
+		it("should return null if the token type is nonesense", async () => {
+			const request = new Request("http://localhost/api", {
+				headers: [["Authorization", "Nonesense tokenbody"]],
+			});
+
+			const event = getEvent({ request });
+			const tokenDesc = await authenticate(event, JWT_SECRET);
+
+			expect(tokenDesc).to.be.null;
+		});
+	});
+
+	describe("isAuthorized", () => {
+		const authRules: Record<string, RouteAuthRule[]> = {
+			alternativeRole: [
+				{
+					action: "allow",
+					methods: ["*"],
+					endpoint: "/api/thing",
+				},
+			],
+			superUser: [
+				{
+					action: "allow",
+					methods: ["GET", "POST", "DELETE", "PUT"],
+					endpoint: "*",
+				},
+			],
+			tokenBearer: [
+				// user is explicitely not allowed to use PATCH
+				{ action: "deny", methods: ["PATCH"], endpoint: "*" },
+
+				// user is allowed to POST to resources
+				{
+					action: "allow",
+					methods: ["POST"],
+					endpoint: "/api/resource",
+					tokenKind: "Bearer",
+				},
+
+				// user is allowed to use any method on a single resource
+				{ action: "allow", methods: ["*"], endpoint: "/api/resource/[resourceid]" },
+
+				// user is allowed to GET or DELETE any resource nested under resource
+				{
+					action: "allow",
+					methods: ["GET", "DELETE"],
+					endpoint: "/api/resource/[resourceid]/*",
+				},
+			],
+			tokenNone: [
+				// user is allowed to hit an endpoint with a "None" token
+				{ action: "allow", methods: ["POST"], endpoint: "/api/user", tokenKind: "None" },
+			],
+			tokenBasic: [
+				// user is allowed to hit an endpoint with a "Basic token"
+				{
+					action: "allow",
+					methods: ["POST"],
+					endpoint: "/api/token",
+					tokenKind: "Basic",
+				},
+			],
+		};
+
+		const tokenBearer = { kind: "Bearer", role: "tokenBearer", payload: {} } as const;
+
+		const tests: TestData[] = [
+			{
+				heading: "should return allowed when a user calls an explicitly allowed path",
+				conditions: {
+					token: tokenBearer,
+					method: "POST",
+					path: "/api/resource",
+				},
+				expectations: {
+					result: AuthorizationResult.Allowed,
+				},
+			},
+			{
+				heading: "should match paths based on the role provided in the token",
+				conditions: {
+					token: { kind: "Bearer", role: "alternativeRole", payload: {} },
+					method: "POST",
+					path: "/api/thing",
+				},
+				expectations: {
+					result: AuthorizationResult.Allowed,
+				},
+			},
+			{
+				heading: "should ignore paths that only exist on other roles",
+				conditions: {
+					token: { kind: "Bearer", role: "alternativeRole", payload: {} },
+					method: "POST",
+					path: "/api/resource",
+				},
+				expectations: {
+					result: AuthorizationResult.Denied,
+				},
+			},
+			{
+				heading: "should return unauthenticated when a user has the wrong token type",
+				conditions: {
+					token: {
+						kind: "Basic",
+						role: "tokenBearer",
+						payload: { username: "Mr. Sneaky", password: "something-secret" },
+					},
+					method: "POST",
+					path: "/api/resource",
+				},
+				expectations: {
+					result: AuthorizationResult.Unauthenticated,
+				},
+			},
+			{
+				heading: "should return allowed when a rule opens a path with a wildcard method",
+				conditions: {
+					token: tokenBearer,
+					method: "PUT",
+					path: "/api/resource/some-resource-id",
+				},
+				expectations: {
+					result: AuthorizationResult.Allowed,
+				},
+			},
+			{
+				heading: "should return denied when the endpoint is valid, but the method is not",
+				conditions: {
+					token: tokenBearer,
+					method: "GET",
+					path: "/api/resource",
+				},
+				expectations: {
+					result: AuthorizationResult.Denied,
+				},
+			},
+			{
+				heading: "should return allowed when matching a wildcard endpoint",
+				conditions: {
+					token: {
+						kind: "Bearer",
+						role: "superUser",
+						payload: {},
+					},
+					method: "PUT",
+					path: "/api/magicresource",
+				},
+				expectations: {
+					result: AuthorizationResult.Allowed,
+				},
+			},
+			{
+				heading:
+					"should return denied wehen matching a wildcard endpoint with an invalid method",
+				conditions: {
+					token: {
+						kind: "Bearer",
+						role: "superUser",
+						payload: {},
+					},
+					method: "PATCH",
+					path: "/api/magicresource",
+				},
+				expectations: {
+					result: AuthorizationResult.Denied,
+				},
+			},
+			{
+				heading: "should return allowed when matching a nested endpoint wildcard",
+				conditions: {
+					token: tokenBearer,
+					method: "GET",
+					path: "/api/resource/some-resource-id/nested-resource",
+				},
+				expectations: {
+					result: AuthorizationResult.Allowed,
+				},
+			},
+			{
+				heading:
+					"should return return allowed when matching a resource deeply " +
+					"nested under an endpoint wildcard",
+				conditions: {
+					token: tokenBearer,
+					method: "GET",
+					path:
+						"/api/resource/some-resource-id/nested-resource/" +
+						"more-nested-resource/more-nested-id",
+				},
+				expectations: {
+					result: AuthorizationResult.Allowed,
+				},
+			},
+			{
+				heading:
+					"should not match a path rule if the request path ends before the " +
+					"rule path's endpoint wildcard",
+				conditions: {
+					token: tokenBearer,
+					method: "GET",
+					path: "/api/resource",
+				},
+				expectations: {
+					result: AuthorizationResult.Denied,
+				},
+			},
+			{
+				heading:
+					"should return denied when a 'denied' rule and an 'allowed' rule both match",
+				conditions: {
+					token: tokenBearer,
+					method: "PATCH",
+					path: "/api/resource/some-resource-id",
+				},
+				expectations: {
+					result: AuthorizationResult.Denied,
+				},
+			},
+			{
+				heading: "should return denied when a user calls an unmentioned path",
+				conditions: {
+					token: tokenBearer,
+					method: "GET",
+					path: "/api/unmentioned",
+				},
+				expectations: {
+					result: AuthorizationResult.Denied,
+				},
+			},
+			{
+				heading:
+					"should return unauthenticated when a user calls an unmentioned " +
+					"path with a 'None' token",
+				conditions: {
+					token: { kind: "None", role: "tokenBearer" },
+					method: "GET",
+					path: "/api/unmentioned",
+				},
+				expectations: {
+					result: AuthorizationResult.Unauthenticated,
+				},
+			},
+			{
+				heading:
+					"should return unauthenticated when a user calls an unmentioned " +
+					"path with a 'Basic' token",
+				conditions: {
+					token: {
+						kind: "Basic",
+						role: "tokenBearer",
+						payload: { username: "someuser", password: "super-secure" },
+					},
+					method: "GET",
+					path: "/api/unmentioned",
+				},
+				expectations: {
+					result: AuthorizationResult.Unauthenticated,
+				},
+			},
+			{
+				heading: "correctly matches a route with a trailing /",
+				conditions: {
+					token: tokenBearer,
+					method: "POST",
+					path: "/api/resource/",
+				},
+				expectations: {
+					result: AuthorizationResult.Allowed,
+				},
+			},
+			{
+				heading: "corretly matches a route without a leading /",
+				conditions: {
+					token: tokenBearer,
+					method: "POST",
+					path: "api/resource",
+				},
+				expectations: {
+					result: AuthorizationResult.Allowed,
+				},
+			},
+		];
+
+		for (const { heading, conditions, expectations } of tests) {
+			it(heading, () => {
+				const { token, method, path } = conditions;
+				const { result } = expectations;
+
+				expect(isAuthorized(authRules, method, path, token)).to.equal(result);
+			});
+		}
+	});
+});

src/lib/server/test/modifyListing.spec.ts

@@ -4,7 +4,7 @@ import { Game } from "$lib/server/Game";
 import { deepEqual, equal, ok } from "node:assert/strict";
 import { isId } from "$lib/Id";
 
-describe("Listing", () => {
+describe("modifyListing", () => {
 	describe("createNewListing", () => {
 		it("should create a new Listing with the provided data, and a new UUID", () => {
 			const game = new Game();

src/lib/test/GameData.spec.ts

@@ -29,8 +29,17 @@ describe("GameData", () => {
 			equal(isGameData(data), false);
 		});
 
+		it("rejects an object without a players property", () => {
+			const data: unknown = {
+				state: {},
+				isStarted: false,
+			};
+
+			equal(isGameData(data), false);
+		});
+
 		it("rejects an object with extra properties", () => {
-			const data: GameData & { extra: boolean } = {
+			const data: unknown = {
 				players: [idFromString(idString)],
 				isStarted: false,
 				state: {},

src/lib/test/GameEvent.spec.ts

@@ -9,11 +9,11 @@ import {
 	RollForFirst,
 	Score,
 	SeatPlayers,
-} from "../../GameEvent";
-import type { GameEventData } from "../../GameEvent";
-import type { GameData } from "../../GameData";
+} from "$lib/GameEvent";
+import type { GameEventData } from "$lib/GameEvent";
+import type { GameData } from "$lib/GameData";
 import { describe, it } from "vitest";
-import type { State } from "../../State";
+import type { State } from "$lib/State";
 import { doesNotThrow, deepStrictEqual, equal, ok, throws } from "assert";
 import { createId, idFromString, stringFromId } from "$lib/Id";
 
@@ -220,7 +220,10 @@ describe("Game Events", () => {
 			});
 
 			it("should throw if the value is not a number", () => {
-				throws(() => new RollForFirst({ kind: GameEventKind.RollForFirst, player: 0, value: [4] }));
+				throws(
+					() =>
+						new RollForFirst({ kind: GameEventKind.RollForFirst, player: 0, value: [4] }),
+				);
 			});
 		});
 
@@ -262,6 +265,10 @@ describe("Game Events", () => {
 				const state: State = { scores: [FIRST_ROLL_PENDING, FIRST_ROLL_PENDING] };
 
 				throws(() => ev.run(state));
+
+				// should treat missing scores as an empty array
+				delete state.scores;
+				throws(() => ev.run(state));
 			});
 
 			it("should throw if the player has already rolled", () => {
@@ -290,7 +297,12 @@ describe("Game Events", () => {
 
 			it("should reset the scores and set the winning player when everyone has rolled", () => {
 				const state: State = {
-					scores: [FIRST_ROLL_PENDING, FIRST_ROLL_PENDING, FIRST_ROLL_PENDING, FIRST_ROLL_PENDING],
+					scores: [
+						FIRST_ROLL_PENDING,
+						FIRST_ROLL_PENDING,
+						FIRST_ROLL_PENDING,
+						FIRST_ROLL_PENDING,
+					],
 				};
 
 				let ev = new RollForFirst({
@@ -313,14 +325,24 @@ describe("Game Events", () => {
 
 				deepStrictEqual(state, {
 					dieCount: 6,
-					scores: [FIRST_ROLL_PENDING, FIRST_ROLL_PENDING, FIRST_ROLL_PENDING, FIRST_ROLL_PENDING],
+					scores: [
+						FIRST_ROLL_PENDING,
+						FIRST_ROLL_PENDING,
+						FIRST_ROLL_PENDING,
+						FIRST_ROLL_PENDING,
+					],
 					playing: 2,
 				});
 			});
 
 			it("should reset tied players for tie breaker", () => {
 				const state: State = {
-					scores: [FIRST_ROLL_PENDING, FIRST_ROLL_PENDING, FIRST_ROLL_PENDING, FIRST_ROLL_PENDING],
+					scores: [
+						FIRST_ROLL_PENDING,
+						FIRST_ROLL_PENDING,
+						FIRST_ROLL_PENDING,
+						FIRST_ROLL_PENDING,
+					],
 				};
 
 				let ev = new RollForFirst({
@@ -340,13 +362,23 @@ describe("Game Events", () => {
 				ev.run(state);
 
 				deepStrictEqual(state, {
-					scores: [FIRST_ROLL_PENDING, FIRST_ROLL_LOST, FIRST_ROLL_LOST, FIRST_ROLL_PENDING],
+					scores: [
+						FIRST_ROLL_PENDING,
+						FIRST_ROLL_LOST,
+						FIRST_ROLL_LOST,
+						FIRST_ROLL_PENDING,
+					],
 				});
 			});
 
 			it("should throw if a player whose lost tries to roll again", () => {
 				const state: State = {
-					scores: [FIRST_ROLL_PENDING, FIRST_ROLL_LOST, FIRST_ROLL_LOST, FIRST_ROLL_PENDING],
+					scores: [
+						FIRST_ROLL_PENDING,
+						FIRST_ROLL_LOST,
+						FIRST_ROLL_LOST,
+						FIRST_ROLL_PENDING,
+					],
 				};
 
 				const ev = new RollForFirst({
@@ -359,7 +391,12 @@ describe("Game Events", () => {
 
 			it("should allow tied players to keep rolling until somoene wins", () => {
 				const state: State = {
-					scores: [FIRST_ROLL_PENDING, FIRST_ROLL_PENDING, FIRST_ROLL_LOST, FIRST_ROLL_PENDING],
+					scores: [
+						FIRST_ROLL_PENDING,
+						FIRST_ROLL_PENDING,
+						FIRST_ROLL_LOST,
+						FIRST_ROLL_PENDING,
+					],
 				};
 
 				// simulate another 3-way tie
@@ -379,7 +416,12 @@ describe("Game Events", () => {
 				deepStrictEqual(
 					state,
 					{
-						scores: [FIRST_ROLL_PENDING, FIRST_ROLL_PENDING, FIRST_ROLL_LOST, FIRST_ROLL_PENDING],
+						scores: [
+							FIRST_ROLL_PENDING,
+							FIRST_ROLL_PENDING,
+							FIRST_ROLL_LOST,
+							FIRST_ROLL_PENDING,
+						],
 					},
 					"shouldn't change in a 3-way tie",
 				);
@@ -397,7 +439,12 @@ describe("Game Events", () => {
 				deepStrictEqual(
 					state,
 					{
-						scores: [FIRST_ROLL_PENDING, FIRST_ROLL_LOST, FIRST_ROLL_LOST, FIRST_ROLL_PENDING],
+						scores: [
+							FIRST_ROLL_PENDING,
+							FIRST_ROLL_LOST,
+							FIRST_ROLL_LOST,
+							FIRST_ROLL_PENDING,
+						],
 					},
 					"should update for a smaller tie",
 				);
@@ -813,6 +860,17 @@ describe("Game Events", () => {
 				throws(() => ev.run(state));
 			});
 
+			it("should throw if there are no players", () => {
+				const state: State = {
+					dieCount: 4,
+					heldScore: 250,
+					playing: 0,
+				};
+
+				const ev = new Score({ kind: GameEventKind.Score, player: 0, value: 250 });
+				throws(() => ev.run(state));
+			});
+
 			it("should add the score to the players score and activate the next player", () => {
 				let state: State = {
 					dieCount: 4,

src/lib/test/Listing.spec.ts

@@ -0,0 +1,111 @@
+import { createId } from "$lib/Id";
+import { isListing, type Listing } from "$lib/Listing";
+import { describe, expect, it } from "vitest";
+
+let spiedValue: unknown;
+
+const passingDataGuard = (target: unknown): target is any => true;
+const failingDataGuard = (target: unknown): target is any => false;
+const spyingDataGuard = (target: unknown): target is any => {
+	spiedValue = target;
+	return true;
+};
+
+describe("Listing", () => {
+	describe("isListing", () => {
+		it("should return false if a required property is missing", () => {
+			const fullListing: Listing = {
+				id: createId(),
+				createdAt: new Date().toString(),
+				modifiedAt: new Date().toString(),
+				deleted: false,
+				data: {},
+			};
+
+			let listing: Partial<Listing> = { ...fullListing };
+			delete listing.id;
+			expect(isListing(listing)).to.be.false;
+
+			listing = { ...fullListing };
+			delete listing.createdAt;
+			expect(isListing(listing)).to.be.false;
+
+			listing = { ...fullListing };
+			delete listing.deleted;
+			expect(isListing(listing)).to.be.false;
+
+			listing = { ...fullListing };
+			delete listing.modifiedAt;
+			expect(isListing(listing)).to.be.false;
+
+			listing = { ...fullListing };
+			delete listing.data;
+			expect(isListing(listing)).to.be.false;
+		});
+
+		it("should return false if there is an extra property", () => {
+			const fullListing = {
+				id: createId(),
+				createdAt: new Date().toString(),
+				modifiedAt: new Date().toString(),
+				deleted: false,
+				extra: "property",
+				data: {},
+			};
+
+			expect(isListing(fullListing)).to.be.false;
+		});
+
+		it("should return true if all the required properties are present", () => {
+			const fullListing = {
+				id: createId(),
+				createdAt: new Date().toString(),
+				modifiedAt: new Date().toString() as string | null,
+				deleted: false,
+				data: {},
+			};
+
+			expect(isListing(fullListing)).to.be.true;
+
+			fullListing.modifiedAt = null;
+			expect(isListing(fullListing)).to.be.true;
+		});
+
+		it("should return true if properties are present and the data guard returns true", () => {
+			const fullListing = {
+				id: createId(),
+				createdAt: new Date().toString(),
+				modifiedAt: new Date().toString() as string | null,
+				deleted: false,
+				data: {},
+			};
+
+			expect(isListing(fullListing, passingDataGuard)).to.be.true;
+		});
+
+		it("should return false if properties are present and the data guard returns false", () => {
+			const fullListing = {
+				id: createId(),
+				createdAt: new Date().toString(),
+				modifiedAt: new Date().toString() as string | null,
+				deleted: false,
+				data: {},
+			};
+
+			expect(isListing(fullListing, failingDataGuard)).to.be.false;
+		});
+
+		it("should pass the data object to the provided data guard", () => {
+			const fullListing = {
+				id: createId(),
+				createdAt: new Date().toString(),
+				modifiedAt: new Date().toString() as string | null,
+				deleted: false,
+				data: { am: "the test object" },
+			};
+
+			expect(isListing(fullListing, spyingDataGuard)).to.be.true;
+			expect(spiedValue).to.deep.equal(fullListing.data);
+		});
+	});
+});

src/lib/test/Login.spec.ts

@@ -0,0 +1,62 @@
+import { hashPassword, isLoginData, type LoginData } from "$lib/Login";
+import { describe, expect, it } from "vitest";
+
+describe("Login", () => {
+	describe("isLoginData", () => {
+		it("should return false if a required property is missing", () => {
+			const fullLoginData: LoginData = {
+				password: "some-password",
+				username: "Sir User Userly III",
+				role: "default",
+			};
+
+			let loginData: Partial<LoginData> = {
+				...fullLoginData,
+			};
+			delete loginData.password;
+			expect(isLoginData(loginData)).to.be.false;
+
+			loginData = {
+				...fullLoginData,
+			};
+			delete loginData.username;
+			expect(isLoginData(loginData)).to.be.false;
+
+			loginData = {
+				...fullLoginData,
+			};
+			delete loginData.role;
+			expect(isLoginData(loginData)).to.be.false;
+		});
+
+		it("should return false if there are extra properties", () => {
+			const fullLoginData: LoginData & { extra: "property" } = {
+				password: "some-password",
+				username: "Sir User Userly III",
+				role: "default",
+				extra: "property",
+			};
+
+			expect(isLoginData(fullLoginData)).to.be.false;
+		});
+
+		it("should return true if the provided target is a Login", () => {
+			const fullLoginData: LoginData = {
+				password: "some-password",
+				username: "Sir User Userly III",
+				role: "default",
+			};
+
+			expect(isLoginData(fullLoginData)).to.be.true;
+		});
+	});
+
+	describe("hashPassword", () => {
+		it("should hash a password", async () => {
+			const pass = "some-password";
+			const hash = hashPassword(pass);
+
+			expect(hash).to.not.equal(pass);
+		});
+	});
+});

src/lib/test/ServerResponse.spec.ts

@@ -0,0 +1,47 @@
+import { isServerResponse } from "$lib/ServerResponse";
+import { describe, expect, it } from "vitest";
+
+describe("ServerResponse", () => {
+	describe("isServerResponse", () => {
+		it("should return false no optional property exists", () => {
+			const emptyResponse = {};
+
+			expect(isServerResponse(emptyResponse)).to.be.false;
+		});
+
+		it("should return false if more than one property is present", () => {
+			const overstuffedResponse = {
+				item: {},
+				error: "something is wrong",
+			};
+
+			expect(isServerResponse(overstuffedResponse)).to.be.false;
+		});
+
+		it("should return false if there is an unkown property", () => {
+			const gibberishServerResponse = {
+				some: "gibberish",
+			};
+
+			expect(isServerResponse(gibberishServerResponse)).to.be.false;
+		});
+
+		it("should return true when target is a proper server response", () => {
+			const singleServerResponse = {
+				item: {},
+			};
+
+			const listServerResponse = {
+				items: [],
+			};
+
+			const errorServerResponse = {
+				error: "something is wrong",
+			};
+
+			expect(isServerResponse(singleServerResponse)).to.be.true;
+			expect(isServerResponse(listServerResponse)).to.be.true;
+			expect(isServerResponse(errorServerResponse)).to.be.true;
+		});
+	});
+});

src/lib/test/validation.spec.ts

@@ -1,6 +1,6 @@
 import { describe, it } from "vitest";
 import { equal, ok } from "node:assert/strict";
-import { hasProperty, hasOnlyKeys } from "../../validation";
+import { hasProperty, hasOnlyKeys } from "$lib/validation";
 
 describe("validation", () => {
 	describe("hasProperty", () => {
@@ -46,7 +46,7 @@ describe("validation", () => {
 				third: false,
 				fourth: null,
 				fifth: { something: "important" },
-				sixth: ["one", "two"]
+				sixth: ["one", "two"],
 			};
 
 			ok(hasProperty(target, "first", "string"));
@@ -59,7 +59,7 @@ describe("validation", () => {
 
 		it("should return false if passed an array type and the property isn't an array", () => {
 			const target = {
-				arr: "not array"
+				arr: "not array",
 			};
 
 			equal(hasProperty(target, "arr", "string[]"), false);
@@ -67,7 +67,7 @@ describe("validation", () => {
 
 		it("should return false if the defined array contains a non-matching element", () => {
 			const target = {
-				arr: ["I", "was", "born", "in", 1989]
+				arr: ["I", "was", "born", "in", 1989],
 			};
 
 			equal(hasProperty(target, "arr", "string[]"), false);
@@ -75,7 +75,7 @@ describe("validation", () => {
 
 		it("should return true if all the elements in a defined array match", () => {
 			const target = {
-				arr: ["I", "was", "born", "in", "1989"]
+				arr: ["I", "was", "born", "in", "1989"],
 			};
 
 			ok(hasProperty(target, "arr", "string[]"));
@@ -83,7 +83,7 @@ describe("validation", () => {
 
 		it("should return true if all the elements in a defined array match one of multiple types", () => {
 			const target = {
-				arr: ["I", "was", "born", "in", 1989]
+				arr: ["I", "was", "born", "in", 1989],
 			};
 
 			ok(hasProperty(target, "arr", "(string|number)[]"));
@@ -91,7 +91,7 @@ describe("validation", () => {
 
 		it("should return true if type is null but property is nullable", () => {
 			const target = {
-				nullable: null
+				nullable: null,
 			};
 
 			ok(hasProperty(target, "nullable", "string", true));
@@ -107,7 +107,7 @@ describe("validation", () => {
 			const target = {
 				one: "one",
 				two: "two",
-				three: "three"
+				three: "three",
 			};
 
 			const keys = ["one", "two"];
@@ -119,7 +119,7 @@ describe("validation", () => {
 			const target = {
 				one: "one",
 				two: "two",
-				three: "three"
+				three: "three",
 			};
 
 			const keys = ["one", "two", "three"];
@@ -129,7 +129,7 @@ describe("validation", () => {
 
 		it("should return true if the target has only a subset of the provided keys", () => {
 			const target = {
-				one: "one"
+				one: "one",
 			};
 
 			const keys = ["one", "two", "three"];

src/routes/api/games/+server.ts

@@ -2,10 +2,12 @@ import type { RequestHandler } from "@sveltejs/kit";
 import { listResponse, singleResponse } from "$lib/server/responseBodies";
 import { createNewListing } from "$lib/server/modifyListing";
 import { Game } from "$lib/server/Game";
-import { games } from "$lib/server/cache";
-import { writeListing } from "$lib/server/mongo";
+import { listCollection, writeListing } from "$lib/server/mongo";
+import { isListing } from "$lib/Listing";
+import type { GameData } from "$lib/GameData";
 
-export const GET: RequestHandler = (): Response => {
+export const GET: RequestHandler = async (): Promise<Response> => {
+	const games = await listCollection("games", isListing<GameData>);
 	return listResponse(games);
 };
 
@@ -13,7 +15,6 @@ export const POST: RequestHandler = async (): Promise<Response> => {
 	const newListing = createNewListing(new Game());
 
 	await writeListing("games", newListing);
-	games.push(newListing);
 
 	return singleResponse(newListing.id);
 };

src/routes/api/games/[gameid]/+server.ts

@@ -1,15 +1,29 @@
-import { games } from "$lib/server/cache";
-import { badRequestResponse, notFoundResponse, singleResponse } from "$lib/server/responseBodies";
+import type { GameData } from "$lib/GameData";
+import { idFromString, type Id } from "$lib/Id";
+import { isListing } from "$lib/Listing";
+import { readListingById } from "$lib/server/mongo";
+import {
+	badRequestResponse,
+	notFoundResponse,
+	singleResponse,
+} from "$lib/server/responseBodies";
 import type { RequestHandler } from "@sveltejs/kit";
 
-export const GET: RequestHandler = ({ params }): Response => {
-	const id = params["gameid"];
+export const GET: RequestHandler = async ({ params }): Promise<Response> => {
+	const idStr = params["gameid"];
 
-	if (!id) {
+	if (!idStr) {
 		return badRequestResponse("missing gameid parameter");
 	}
 
-	const game = games.find(({ id: gid }) => id === gid.toString());
+	let id: Id;
+	try {
+		id = idFromString(idStr);
+	} catch (err) {
+		return notFoundResponse();
+	}
+
+	const game = await readListingById("games", id, isListing<GameData>);
 
 	if (!game) {
 		return notFoundResponse();

src/routes/api/token/+server.ts

@@ -10,6 +10,7 @@ import {
 import type { RequestHandler } from "@sveltejs/kit";
 import { compare } from "bcrypt";
 import { createToken } from "$lib/server/auth";
+import { JWT_SECRET } from "$env/static/private";
 
 export const POST: RequestHandler = async ({ locals }): Promise<Response> => {
 	try {
@@ -33,7 +34,7 @@ export const POST: RequestHandler = async ({ locals }): Promise<Response> => {
 		}
 
 		if (await compare(password, listing.data.password)) {
-			const token = await createToken(listing);
+			const token = await createToken(listing, JWT_SECRET);
 			return singleResponse(token);
 		}
 

src/tests/hooks.server.spec.ts

@@ -1,7 +1,7 @@
 import type { Cookies, RequestEvent } from "@sveltejs/kit";
 import { describe, it, expect, afterEach } from "vitest";
 import * as auth from "../lib/server/auth";
-import { handle } from "../hooks.server";
+import { getHandleFn } from "../hooks.server";
 import { createId } from "$lib/Id";
 
 let events: RequestEvent[] = [];
@@ -32,7 +32,7 @@ const resolve = async (event: RequestEvent): Promise<Response> => {
 	return new Response();
 };
 
-describe("handle", () => {
+describe("getHandleFn", () => {
 	afterEach(() => {
 		event.locals.user = {};
 		event.request.headers.delete("authorization");
@@ -41,12 +41,12 @@ describe("handle", () => {
 
 	it("returns unauthorized response if caller isn't properly authenticated", async () => {
 		event.request.headers.set("authorization", "Nonesense Token");
-		const res = await handle({ event, resolve });
+		const res = await getHandleFn("server-secret")({ event, resolve });
 		expect(res.status).to.equal(401);
 	});
 
 	it("returns unauthorized response if caller is missing required auth header", async () => {
-		const res = await handle({ event, resolve });
+		const res = await getHandleFn("server-secret")({ event, resolve });
 		expect(res.status).to.equal(401);
 	});
 
@@ -63,21 +63,57 @@ describe("handle", () => {
 			request: new Request("https://localhost/api/some/secret/route"),
 		};
 
-		const token = await auth.createToken({
-			id: createId(),
-			createdAt: new Date().toString(),
-			modifiedAt: new Date().toString(),
-			deleted: false,
-			data: {
-				password: "somethin' secret!",
-				username: "Mr. Man",
-				role: "default",
+		const token = await auth.createToken(
+			{
+				id: createId(),
+				createdAt: new Date().toString(),
+				modifiedAt: new Date().toString(),
+				deleted: false,
+				data: {
+					password: "somethin' secret!",
+					username: "Mr. Man",
+					role: "default",
+				},
 			},
-		});
+			"server-secret",
+		);
 
 		ev.request.headers.set("authorization", `Bearer ${token}`);
 
-		const res = await handle({ event: ev, resolve });
+		const res = await getHandleFn("server-secret")({ event: ev, resolve });
 		expect(res.status).to.equal(403);
 	});
+
+	it("attaches information about the credentials to the event and resolves when the user is authorized", async () => {
+		const ev: RequestEvent = {
+			...event,
+			url: new URL("https://localhost/api/some/secret/route"),
+			request: new Request("https://localhost/api/some/secret/route"),
+		};
+
+		const token = await auth.createToken(
+			{
+				id: createId(),
+				createdAt: new Date().toString(),
+				modifiedAt: new Date().toString(),
+				deleted: false,
+				data: {
+					password: "somethin' secret!",
+					username: "Mr. Man",
+					role: "player",
+				},
+			},
+			"server-secret",
+		);
+
+		ev.request.headers.set("authorization", `Bearer ${token}`);
+
+		const res = await getHandleFn("server-secret")({ event: ev, resolve });
+		expect(res.status).to.equal(200);
+
+		const user: auth.LocalCredentials = events[0].locals.user;
+
+		expect(user.role).to.equal("player");
+		expect(user.kind).to.equal("Bearer");
+	});
 });

src/tests/requests.http

@@ -1,7 +1,7 @@
 @token=token
-
 GET https://localhost:5173/api
 Accept: application/json
+Authorization: Bearer {{token}}
 
 ###
 
@@ -17,8 +17,9 @@ Authorization: Bearer {{token}}
 
 ###
 
-GET https://localhost:5173/api/games/de4cdb8c-0346-4ac6-a7a8-b4135b2d79e3
+GET https://localhost:5173/api/games/6790386c4a41c3599d47d986
 Accept: application/json
+Authorization: Bearer {{token}}
 
 ###