Publish writing workspace framework

2026-07-16 23:40:02 -07:00
commit c20e7a94fa
28 changed files with 13940 additions and 0 deletions
@@ -0,0 +1,86 @@
+import { headers } from "next/headers";
+import { redirect } from "next/navigation";
+
+export type ChatGPTUser = {
+  displayName: string;
+  email: string;
+  fullName: string | null;
+};
+
+const USER_EMAIL_HEADER = "oai-authenticated-user-email";
+const USER_FULL_NAME_HEADER = "oai-authenticated-user-full-name";
+const USER_FULL_NAME_ENCODING_HEADER =
+  "oai-authenticated-user-full-name-encoding";
+const PERCENT_ENCODED_UTF8 = "percent-encoded-utf-8";
+const SIGN_IN_PATH = "/signin-with-chatgpt";
+const SIGN_OUT_PATH = "/signout-with-chatgpt";
+const CALLBACK_PATH = "/callback";
+
+export async function getChatGPTUser(): Promise<ChatGPTUser | null> {
+  const requestHeaders = await headers();
+  const email = requestHeaders.get(USER_EMAIL_HEADER);
+  if (!email) return null;
+
+  const encodedFullName = requestHeaders.get(USER_FULL_NAME_HEADER);
+  const fullName =
+    encodedFullName &&
+    requestHeaders.get(USER_FULL_NAME_ENCODING_HEADER) === PERCENT_ENCODED_UTF8
+      ? safeDecodeURIComponent(encodedFullName)
+      : null;
+
+  return {
+    displayName: fullName ?? email,
+    email,
+    fullName,
+  };
+}
+
+export async function requireChatGPTUser(
+  returnTo: string,
+): Promise<ChatGPTUser> {
+  const user = await getChatGPTUser();
+  if (user) return user;
+
+  redirect(chatGPTSignInPath(returnTo));
+}
+
+export function chatGPTSignInPath(returnTo: string): string {
+  const safeReturnTo = safeRelativeReturnPath(returnTo);
+  return `${SIGN_IN_PATH}?return_to=${encodeURIComponent(safeReturnTo)}`;
+}
+
+export function chatGPTSignOutPath(returnTo = "/"): string {
+  const safeReturnTo = safeRelativeReturnPath(returnTo);
+  return `${SIGN_OUT_PATH}?return_to=${encodeURIComponent(safeReturnTo)}`;
+}
+
+function safeRelativeReturnPath(value: string): string {
+  if (!value.startsWith("/") || value.startsWith("//")) return "/";
+
+  let url: URL;
+  try {
+    url = new URL(value, "https://app.local");
+  } catch {
+    return "/";
+  }
+  if (url.origin !== "https://app.local") return "/";
+  if (isReservedAuthPath(url.pathname)) return "/";
+
+  return `${url.pathname}${url.search}${url.hash}`;
+}
+
+function isReservedAuthPath(pathname: string): boolean {
+  return (
+    pathname === SIGN_IN_PATH ||
+    pathname === SIGN_OUT_PATH ||
+    pathname === CALLBACK_PATH
+  );
+}
+
+function safeDecodeURIComponent(value: string): string | null {
+  try {
+    return decodeURIComponent(value);
+  } catch {
+    return null;
+  }
+}
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+@import "tailwindcss";
+
+:root {
+  --background: #ffffff;
+  --foreground: #171717;
+}
+
+@theme inline {
+  --color-background: var(--background);
+  --color-foreground: var(--foreground);
+  --font-sans: var(--font-geist-sans);
+  --font-mono: var(--font-geist-mono);
+}
+
+@media (prefers-color-scheme: dark) {
+  :root {
+    --background: #0a0a0a;
+    --foreground: #ededed;
+  }
+}
+
+body {
+  background: var(--background);
+  color: var(--foreground);
+  font-family: Arial, Helvetica, sans-serif;
+}
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+import type { Metadata } from "next";
+import { Geist, Geist_Mono } from "next/font/google";
+import "./globals.css";
+
+const geistSans = Geist({
+  variable: "--font-geist-sans",
+  subsets: ["latin"],
+});
+
+const geistMono = Geist_Mono({
+  variable: "--font-geist-mono",
+  subsets: ["latin"],
+});
+
+export const metadata: Metadata = {
+  title: "Writing Workspace Framework",
+  description: "A conversation-first writing workspace visualization.",
+  icons: {
+    icon: "/favicon.svg",
+    shortcut: "/favicon.svg",
+  },
+};
+
+export default function RootLayout({
+  children,
+}: Readonly<{
+  children: React.ReactNode;
+}>) {
+  return (
+    <html lang="en">
+      <body
+        className={`${geistSans.variable} ${geistMono.variable} antialiased`}
+      >
+        {children}
+      </body>
+    </html>
+  );
+}
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+import { redirect } from "next/navigation";
+
+export default function Home() {
+  redirect("/writing-workspace-framework.html");
+}