Add book record to user PDS

.gitignore

···
 # typescript
 *.tsbuildinfo
 next-env.d.ts
+
+# SQLite databases
+*.db
+*.db-shm
+*.db-wal

app/.well-known/jwks.json/route.ts

···
+import { JoseKey } from "@atproto/oauth-client-node";
+import { NextResponse } from "next/server";
+
+const PRIVATE_KEY = process.env.PRIVATE_KEY;
+
+export async function GET() {
+	if (!PRIVATE_KEY) {
+		return NextResponse.json({ keys: [] });
+	}
+
+	const key = await JoseKey.fromJWK(JSON.parse(PRIVATE_KEY));
+
+	return NextResponse.json({ keys: [key.publicJwk] });
+}

app/api/add-book/route.ts

···
+import { getSession } from "@/lib/auth/session";
+import { Agent } from "@atproto/api";
+import { NextRequest, NextResponse } from "next/server";
+
+export async function POST(request: NextRequest) {
+	try {
+		const { creators, googleBooksId, title } = await request.json();
+		const session = await getSession();
+		const agent = new Agent(session);
+		const record = {
+			createdAt: new Date().toISOString(),
+			creators,
+			googleBooksId,
+			isLendable: true,
+			title
+		};
+
+		await agent.com.atproto.repo.createRecord({
+			collection: "xyz.mootpool.item",
+			record,
+			repo: session.did
+		});
+
+		return NextResponse.json({ success: true });
+	} catch (error) {
+		console.error("Failed to create book record:", error);
+
+		return NextResponse.json(
+			{
+				error: "Failed to create book record"
+			},
+			{ status: 500 }
+		);
+	}
+}

app/api/auth/atproto/callback/route.ts

···
-import { atprotoClient } from "@/lib/atprotoAuth";
-import { NextRequest, NextResponse } from "next/server";
-
-const APP_URL = process.env.NEXT_PUBLIC_APP_URL;
-
-if (!APP_URL) {
-	throw new Error(
-		"NEXT_PUBLIC_APP_URL is not set. This is required for OAuth configuration."
-	);
-}
-
-export async function GET(request: NextRequest) {
-	try {
-		const params = request.nextUrl.searchParams;
-		const { session } = await atprotoClient.callback(params);
-		const did = session.sub;
-		const redirectURL = new URL("/library", APP_URL);
-
-		redirectURL.searchParams.set("atproto_did", session.did);
-		redirectURL.searchParams.set("auth_status", "success");
-
-		const response = NextResponse.redirect(redirectURL);
-
-		response.cookies.set("atproto_did", did, {
-			httpOnly: true,
-			maxAge: 60 * 60 * 24 * 30,
-			path: "/",
-			sameSite: "lax",
-			secure: false
-		});
-
-		return response;
-	} catch (error) {
-		console.error("ATProto Callback Error:", error);
-
-		const redirectURL = new URL("/", APP_URL);
-
-		redirectURL.searchParams.set("auth_error", "failed");
-
-		return NextResponse.redirect(redirectURL);
-	}
-}

app/api/auth/atproto/client-metadata.json/route.ts

···
-import { atprotoClient } from "@/lib/atprotoAuth";
-import { NextResponse } from "next/server";
-
-export async function GET() {
-	return NextResponse.json(atprotoClient.clientMetadata, {
-		headers: { "Content-Type": "application/json" }
-	});
-}

app/api/auth/atproto/login/route.ts

···
-import { atprotoClient } from "@/lib/atprotoAuth";
-import { NextRequest, NextResponse } from "next/server";
-
-export async function POST(request: NextRequest) {
-	const { atprotoHandle } = await request.json();
-
-
-	try {
-		const url = await atprotoClient.authorize(atprotoHandle, {
-			state: crypto.randomUUID()
-		});
-
-		return NextResponse.json({
-			url: url.toString()
-		});
-	} catch (error) {
-		const message =
-			error instanceof Error
-				? error.message
-				: "An unknown error occurred during the process.";
-
-		return NextResponse.json(
-			{ error: message, success: false },
-			{ status: 401 }
-		);
-	}
-}

app/item/[isbn]/page.tsx

···
 		getBookInfo();
 	}, [isbn]);
 
+	const handleSubmit = async () => {
+		const response = await fetch("/api/add-book", {
+			body: JSON.stringify("test"),
+			headers: { "Content-Type": "application/json" },
+			method: "POST"
+		});
+	};
+
 	return (
 		<div className="bg-gray-800 grid grid-rows-10 h-screen p-4 w-screen">
 			<header className="flex gap-4 items-center row-span-1 ">
···
 				{details?.volumeInfo.imageLinks.thumbnail ? (
 					<div className="col-span-2 relative rounded-lg row-span-3">
 						<Image
-                        className="object-contain rounded-lg"
+							className="object-contain rounded-lg"
 							src={details.volumeInfo.imageLinks.thumbnail}
 							alt={""}
 							fill
···
 					<div className="bg-gray-700 border border-gray-600 col-span-2 row-span-3 rounded-lg"></div>
 				)}
 				<div className="bg-gray-700 border border-gray-600 col-span-3 rounded-lg row-span-5"></div>
-				<div className="bg-gray-700 border border-gray-600 col-span-2 rounded-lg row-span-2"></div>
+				<div className="bg-gray-700 border border-gray-600 col-span-2 flex items-center justify-center rounded-lg row-span-2">
+					<button
+						className={`hover:bg-orange-300 bg-orange-400 hover:cursor-pointer px-4 py-2 rounded-lg ${saira.className}`}
+						onClick={handleSubmit}
+					>
+						Add to Library
+					</button>
+				</div>
 			</main>
 			<footer className="row-span-1"></footer>
 		</div>

app/oauth-client-metadata.json/route.ts

···
+import { getOAuthClient } from "@/lib/auth/client";
+import { NextResponse } from "next/server";
+
+export async function GET() {
+	const client = await getOAuthClient();
+
+	return NextResponse.json(client.clientMetadata);
+}

app/oauth/callback/route.ts

···
+import { getOAuthClient } from "@/lib/auth/client";
+import { NextRequest, NextResponse } from "next/server";
+
+const PUBLIC_URL = process.env.PUBLIC_URL || "http://127.0.0.1:3000";
+
+export async function GET(request: NextRequest) {
+	try {
+		const params = request.nextUrl.searchParams;
+		const client = await getOAuthClient();
+		const { session } = await client.callback(params);
+		const response = NextResponse.redirect(new URL("/library", PUBLIC_URL));
+
+		response.cookies.set("did", session.did, {
+			httpOnly: true,
+			maxAge: 60 * 60 * 24 * 7,
+			path: "/",
+			sameSite: "lax",
+			secure: process.env.NODE_ENV === "production"
+		});
+
+		return response;
+	} catch (error) {
+		console.error("OAuth callback error:", error);
+
+		return NextResponse.redirect(
+			new URL("/?error=login_failed", PUBLIC_URL)
+		);
+	}
+}

app/oauth/login/route.ts

···
+import { getOAuthClient, SCOPE } from "@/lib/auth/client";
+import { NextRequest, NextResponse } from "next/server";
+
+export async function POST(request: NextRequest) {
+	try {
+		const { handle } = await request.json();
+
+		if (!handle || typeof handle !== "string") {
+			return NextResponse.json(
+				{ error: "Handle is required" },
+				{ status: 400 }
+			);
+		}
+
+		const client = await getOAuthClient();
+		const authURL = await client?.authorize(handle, { scope: SCOPE });
+
+		return NextResponse.json({ redirectURL: authURL?.toString() });
+	} catch (error) {
+		console.error("OAuth login error:", error);
+
+		return NextResponse.json(
+			{
+				error: error instanceof Error ? error.message : "Login failed"
+			},
+			{ status: 500 }
+		);
+	}
+}

app/page.tsx

···
 const Home = () => {
 	const isSelectingRef = useRef(false);
 
-	const [atprotoHandle, setATProtoHandle] = useState("");
+	const [handle, setHandle] = useState("");
 	const [handleSuggestions, setHandleSuggestions] = useState([]);
 
 	useEffect(() => {
···
 			return;
 		}
 
-		if (atprotoHandle.length < 3) {
+		if (handle.length < 3) {
 			setHandleSuggestions([]);
 
 			return;
···
 
 		const timer = setTimeout(async () => {
 			const response = await fetch(
-				`/api/search-handles?handle=${atprotoHandle}`
+				`/api/search-handles?handle=${handle}`
 			);
 			const data = await response.json();
 
···
 		}, 400);
 
 		return () => clearTimeout(timer);
-	}, [atprotoHandle]);
+	}, [handle]);
 
 	return (
 		<main className="bg-gray-800 flex flex-col h-screen items-center justify-center w-screen">
···
 				MOOTPOOL
 			</h1>
 			<div className="flex flex-col gap-2 w-1/4">
-				<label htmlFor="atprotoHandle">Your ATProto Handle</label>
+				<label htmlFor="handle">Your ATProto Handle</label>
 				<div>
 					<input
 						className={`border border-gray-600 focus:border-orange-400 h-12 focus:outline-none p-2 ${
···
 								: "rounded-lg"
 						} w-full`}
 						id=""
-						name="atprotoHandle"
+						name="handle"
 						placeholder="Enter your ATProto handle (e.g. example.blacksky.app)"
-						onChange={(e) => setATProtoHandle(e.target.value)}
+						onChange={(e) => setHandle(e.target.value)}
 						type="text"
-						value={atprotoHandle}
+						value={handle}
 					/>
 					{handleSuggestions.length ? (
 						<div className="absolute bg-gray-800 border border-t-0 border-gray-600 hover:cursor-pointer flex flex-col gap-2 p-2 rounded-b-lg w-1/4">
···
 										isSelectingRef.current = true;
 
 										setHandleSuggestions([]);
-										setATProtoHandle(suggestion.handle);
+										setHandle(suggestion.handle);
 									}}
 								>
 									<Image
···
 					className={`${saira.className} bg-orange-400 hover:bg-orange-300 hover:cursor-pointer h-12 rounded-lg`}
 					onClick={async () => {
 						try {
-							const response = await fetch(
-								"/api/auth/atproto/login",
-								{
-									body: JSON.stringify({ atprotoHandle }),
-									headers: {
-										"Content-Type": "application/json"
-									},
-									method: "POST"
-								}
-							);
+							const response = await fetch("/oauth/login", {
+								body: JSON.stringify({ handle }),
+								headers: {
+									"Content-Type": "application/json"
+								},
+								method: "POST"
+							});
 							const data = await response.json();
 
-							if(response.ok && data.url){
-								window.location.href = data.url;
-							}
-							else{
-								console.error("Login initiation failed:", data.error)
+							console.log(data);
+
+							if (response.ok && data.redirectURL) {
+								window.location.href = data.redirectURL;
+							} else {
+								console.error(
+									"Login initiation failed:",
+									data.error
+								);
 							}
 						} catch (error) {
-							console.error("Error initiating ATProto OAuth:", error)
+							console.error(
+								"Error initiating ATProto OAuth:",
+								error
+							);
 						}
 					}}
 				>

lib/auth/client.ts

···
+import {
+	buildAtprotoLoopbackClientMetadata,
+	JoseKey,
+	Keyset,
+	NodeOAuthClient,
+	NodeSavedSession,
+	NodeSavedState
+} from "@atproto/oauth-client-node";
+import { getDB } from "../db/index";
+
+declare global {
+	var _oauthClient: NodeOAuthClient | undefined;
+}
+
+const PRIVATE_KEY = process.env.PRIVATE_KEY;
+const PUBLIC_URL = process.env.PUBLIC_URL;
+
+export const SCOPE =
+	"atproto repo:xyz.mootpool.item?action=create rpc:app.bsky.actor.getProfile?aud=did:web:api.bsky.app#bsky_appview";
+
+const getClientMetadata = () => {
+	if (PUBLIC_URL) {
+		return {
+			client_id: `${PUBLIC_URL}/oauth-client-metadata.json`,
+			client_name: "mootpool",
+			client_uri: PUBLIC_URL,
+			dpop_bound_access_tokens: true,
+			grant_types: ["authorization_code", "refresh_token"],
+			jwks_uri: `${PUBLIC_URL}/.well-known/jwks.json`,
+			redirect_uris: [`${PUBLIC_URL}/oauth/callback`],
+			response_types: ["code"],
+			scope: SCOPE,
+			token_endpoint_auth_method: "private_key_jwt" as const,
+			token_endpoint_auth_signing_alg: "ES256" as const
+		};
+	}
+
+	return buildAtprotoLoopbackClientMetadata({
+		redirect_uris: ["http://127.0.0.1:3000/oauth/callback"],
+		scope: SCOPE
+	});
+};
+
+const getKeyset = async () => {
+	if (PUBLIC_URL && PRIVATE_KEY) {
+		return new Keyset([await JoseKey.fromJWK(JSON.parse(PRIVATE_KEY))]);
+	}
+
+	return undefined;
+};
+
+export const getOAuthClient = async () => {
+	if (globalThis._oauthClient) {
+		return globalThis._oauthClient;
+	}
+
+	globalThis._oauthClient = new NodeOAuthClient({
+		clientMetadata: getClientMetadata(),
+		keyset: await getKeyset(),
+		sessionStore: {
+			del: async (key: string) => {
+				const db = getDB();
+
+				await db
+					?.deleteFrom("auth_session")
+					.where("key", "=", key)
+					.execute();
+			},
+			get: async (key: string) => {
+				const db = getDB();
+				const row = await db
+					?.selectFrom("auth_session")
+					.select("value")
+					.where("key", "=", key)
+					.executeTakeFirst();
+
+				return row ? JSON.parse(row.value) : undefined;
+			},
+			set: async (key: string, value: NodeSavedSession) => {
+				const db = getDB();
+				const valueJSON = JSON.stringify(value);
+
+				await db
+					?.insertInto("auth_session")
+					.values({ key, value: valueJSON })
+					.onConflict((oc) =>
+						oc.column("key").doUpdateSet({ value: valueJSON })
+					)
+					.execute();
+			}
+		},
+		stateStore: {
+			del: async (key: string) => {
+				const db = getDB();
+
+				await db
+					?.deleteFrom("auth_state")
+					.where("key", "=", key)
+					.execute();
+			},
+			get: async (key: string) => {
+				const db = getDB();
+				const row = await db
+					?.selectFrom("auth_state")
+					.select("value")
+					.where("key", "=", key)
+					.executeTakeFirst();
+
+				return row ? JSON.parse(row.value) : undefined;
+			},
+			set: async (key: string, value: NodeSavedState) => {
+				const db = getDB();
+				const valueJSON = JSON.stringify(value);
+
+				await db
+					?.insertInto("auth_state")
+					.values({ key, value: valueJSON })
+					.onConflict((oc) =>
+						oc.column("key").doUpdateSet({ value: valueJSON })
+					)
+					.execute();
+			}
+		}
+	});
+
+	return globalThis._oauthClient;
+};

lib/auth/session.ts

···
+import { cookies } from "next/headers";
+import { getOAuthClient } from "./client";
+
+export const getDID = async () => {
+	const cookieStore = await cookies();
+
+	return cookieStore.get("did")?.value ?? null;
+};
+
+export const getSession = async () => {
+	const did = await getDID();
+
+	if (!did) {
+		return null;
+	}
+
+	try {
+		const client = await getOAuthClient();
+
+		return await client.restore(did);
+	} catch {
+		return null;
+	}
+};

lib/db/index.ts

···
+import Database from "better-sqlite3";
+import { Kysely, SqliteDialect } from "kysely";
+
+const DATABASE_PATH = process.env.DATABASE_PATH || "app.db";
+
+let _db: Kysely<DatabaseSchema> | null = null;
+
+export const getDB = () => {
+	if (!_db) {
+		const sqlite = new Database(DATABASE_PATH);
+
+		sqlite.pragma("journal_mode = WAL");
+
+		sqlite.exec(`
+			CREATE TABLE IF NOT EXISTS auth_state (
+				key TEXT PRIMARY KEY,
+				value TEXT NOT NULL
+			);
+
+			CREATE TABLE IF NOT EXISTS auth_session (
+				key TEXT PRIMARY KEY,
+				value TEXT NOT NULL
+			);
+		`);
+
+		_db = new Kysely<DatabaseSchema>({
+			dialect: new SqliteDialect({ database: sqlite })
+		});
+	}
+
+	return _db;
+};
+
+interface AuthSessionTable {
+	key: string;
+	value: string;
+}
+
+interface AuthStateTable {
+	key: string;
+	value: string;
+}
+
+export interface DatabaseSchema {
+	auth_session: AuthSessionTable;
+	auth_state: AuthStateTable;
+}

package-lock.json

···
       "dependencies": {
         "@atproto/api": "^0.18.11",
         "@atproto/oauth-client-node": "^0.3.15",
+        "better-sqlite3": "^12.6.2",
+        "kysely": "^0.28.11",
         "next": "16.1.1",
         "react": "19.2.3",
         "react-dom": "19.2.3"
       },
       "devDependencies": {
         "@tailwindcss/postcss": "^4",
+        "@types/better-sqlite3": "^7.6.13",
         "@types/node": "^20",
         "@types/react": "^19",
         "@types/react-dom": "^19",
···
         "tslib": "^2.4.0"
       }
     },
+    "node_modules/@types/better-sqlite3": {
+      "version": "7.6.13",
+      "resolved": "https://registry.npmjs.org/@types/better-sqlite3/-/better-sqlite3-7.6.13.tgz",
+      "integrity": "sha512-NMv9ASNARoKksWtsq/SHakpYAYnhBrQgGD8zkLYk/jaK8jUGn08CfEdTRgYhMypUQAfzSP8W6gNLe0q19/t4VA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
     "node_modules/@types/estree": {
       "version": "1.0.8",
       "resolved": "https://registry.npmjs.org/@types/estree/-/estree-1.0.8.tgz",
···
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/base64-js": {
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
+      "integrity": "sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ],
+      "license": "MIT"
+    },
     "node_modules/baseline-browser-mapping": {
       "version": "2.9.12",
       "resolved": "https://registry.npmjs.org/baseline-browser-mapping/-/baseline-browser-mapping-2.9.12.tgz",
···
         "baseline-browser-mapping": "dist/cli.js"
       }
     },
+    "node_modules/better-sqlite3": {
+      "version": "12.6.2",
+      "resolved": "https://registry.npmjs.org/better-sqlite3/-/better-sqlite3-12.6.2.tgz",
+      "integrity": "sha512-8VYKM3MjCa9WcaSAI3hzwhmyHVlH8tiGFwf0RlTsZPWJ1I5MkzjiudCo4KC4DxOaL/53A5B1sI/IbldNFDbsKA==",
+      "hasInstallScript": true,
+      "license": "MIT",
+      "dependencies": {
+        "bindings": "^1.5.0",
+        "prebuild-install": "^7.1.1"
+      },
+      "engines": {
+        "node": "20.x || 22.x || 23.x || 24.x || 25.x"
+      }
+    },
+    "node_modules/bindings": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.5.0.tgz",
+      "integrity": "sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==",
+      "license": "MIT",
+      "dependencies": {
+        "file-uri-to-path": "1.0.0"
+      }
+    },
+    "node_modules/bl": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-4.1.0.tgz",
+      "integrity": "sha512-1W07cM9gS6DcLperZfFSj+bWLtaPGSOHWhPiGzXmvVJbRLdG82sH/Kn8EtW1VqWVA54AKf2h5k5BbnIbwF3h6w==",
+      "license": "MIT",
+      "dependencies": {
+        "buffer": "^5.5.0",
+        "inherits": "^2.0.4",
+        "readable-stream": "^3.4.0"
+      }
+    },
     "node_modules/brace-expansion": {
       "version": "1.1.12",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.12.tgz",
···
         "node": "^6 || ^7 || ^8 || ^9 || ^10 || ^11 || ^12 || >=13.7"
       }
     },
+    "node_modules/buffer": {
+      "version": "5.7.1",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.7.1.tgz",
+      "integrity": "sha512-EHcyIPBQ4BSGlvjB16k5KgAJ27CIsHY/2JBmCRReo48y9rQ3MaUzWX3KVlBa4U7MyX02HdVj0K7C3WaB3ju7FQ==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "base64-js": "^1.3.1",
+        "ieee754": "^1.1.13"
+      }
+    },
     "node_modules/call-bind": {
       "version": "1.0.8",
       "resolved": "https://registry.npmjs.org/call-bind/-/call-bind-1.0.8.tgz",
···
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+      "license": "ISC"
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     "node_modules/yallist": {
       "version": "3.1.1",

package.json

···
   "dependencies": {
     "@atproto/api": "^0.18.11",
     "@atproto/oauth-client-node": "^0.3.15",
+    "better-sqlite3": "^12.6.2",
+    "kysely": "^0.28.11",
     "next": "16.1.1",
     "react": "19.2.3",
     "react-dom": "19.2.3"
   },
   "devDependencies": {
     "@tailwindcss/postcss": "^4",
+    "@types/better-sqlite3": "^7.6.13",
     "@types/node": "^20",
     "@types/react": "^19",
     "@types/react-dom": "^19",