first commit

src/lib/auth/cookies.ts

@@ -0,0 +1,52 @@
+import { environment } from "#environment/config";
+import { jwt } from "#environment/jwt";
+
+import type { CookieOptions } from "#types/config";
+
+class CookieService {
+	extractToken(request: Request): string | null {
+		return request.headers.get("Cookie")?.match(/session=([^;]+)/)?.[1] || null;
+	}
+
+	generateCookie(
+		token: string,
+		maxAge = jwt.expiration,
+		options?: CookieOptions,
+	): string {
+		const {
+			secure = !environment.development,
+			httpOnly = true,
+			sameSite = environment.development ? "Lax" : "None",
+			path = "/",
+			domain,
+		} = options || {};
+
+		let cookie = `session=${encodeURIComponent(token)}; Path=${path}; Max-Age=${maxAge}`;
+
+		if (httpOnly) cookie += "; HttpOnly";
+		if (secure) cookie += "; Secure";
+		if (sameSite) cookie += `; SameSite=${sameSite}`;
+		if (domain) cookie += `; Domain=${domain}`;
+
+		return cookie;
+	}
+
+	clearCookie(options?: Omit<CookieOptions, "httpOnly" | "secure">): string {
+		const {
+			sameSite = environment.development ? "Lax" : "None",
+			path = "/",
+			domain,
+		} = options || {};
+
+		let cookie = `session=; Path=${path}; Max-Age=0; HttpOnly`;
+
+		if (!environment.development) cookie += "; Secure";
+		if (sameSite) cookie += `; SameSite=${sameSite}`;
+		if (domain) cookie += `; Domain=${domain}`;
+
+		return cookie;
+	}
+}
+
+const cookieService = new CookieService();
+export { CookieService, cookieService };