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Script to use on Cloudflare for custom Notion URLs
/* CONFIGURATION STARTS HERE */
/* Step 1: enter your domain name like fruitionsite.com */
const MY_DOMAIN = "fruitionsite.com"
/*
* Step 2: enter your URL slug to page ID mapping
* The key on the left is the slug (without the slash)
* The value on the right is the Notion page ID
*/
const SLUG_TO_PAGE = {
"": "771ef38657244c27b9389734a9cbff44",
}
/* Step 3: enter your page title and description for SEO purposes */
const PAGE_TITLE = ""
const PAGE_DESCRIPTION = ""
/* Step 4: enter a Google Font name, you can choose from https://fonts.google.com */
const GOOGLE_FONT = ""
/* Step 5: enter any custom scripts you'd like */
const CUSTOM_SCRIPT = ``
/* CONFIGURATION ENDS HERE */
const PAGE_TO_SLUG = {}
const slugs = []
const pages = []
Object.keys(SLUG_TO_PAGE).forEach(slug => {
const page = SLUG_TO_PAGE[slug]
slugs.push(slug)
pages.push(page)
PAGE_TO_SLUG[page] = slug
})
addEventListener("fetch", event => {
event.respondWith(fetchAndApply(event.request))
})
function generateSitemap() {
let sitemap = '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">'
slugs.forEach(
slug =>
(sitemap +=
"<url><loc>https://" + MY_DOMAIN + "/" + slug + "</loc></url>")
)
sitemap += "</urlset>"
return sitemap
}
const corsHeaders = {
"Access-Control-Allow-Origin": "*",
"Access-Control-Allow-Methods": "GET, HEAD, POST, PUT, OPTIONS",
"Access-Control-Allow-Headers": "Content-Type",
}
function handleOptions(request) {
if (
request.headers.get("Origin") !== null &&
request.headers.get("Access-Control-Request-Method") !== null &&
request.headers.get("Access-Control-Request-Headers") !== null
) {
// Handle CORS pre-flight request.
return new Response(null, {
headers: corsHeaders,
})
} else {
// Handle standard OPTIONS request.
return new Response(null, {
headers: {
Allow: "GET, HEAD, POST, PUT, OPTIONS",
},
})
}
}
async function fetchAndApply(request) {
if (request.method === "OPTIONS") {
return handleOptions(request)
}
let url = new URL(request.url)
url.hostname = "www.notion.so"
if (url.pathname === "/robots.txt") {
return new Response("Sitemap: https://" + MY_DOMAIN + "/sitemap.xml")
}
if (url.pathname === "/sitemap.xml") {
let response = new Response(generateSitemap())
response.headers.set("content-type", "application/xml")
return response
}
let response
if (url.pathname.startsWith("/app") && url.pathname.endsWith("js")) {
response = await fetch(url.toString())
let body = await response.text()
response = new Response(
body
.replace(/www.notion.so/g, MY_DOMAIN)
.replace(/notion.so/g, MY_DOMAIN),
response
)
response.headers.set("Content-Type", "application/x-javascript")
return response
} else if (url.pathname.startsWith("/api")) {
// Forward API
response = await fetch(url.toString(), {
body: url.pathname.startsWith("/api/v3/getPublicPageData")
? null
: request.body,
headers: {
"content-type": "application/json;charset=UTF-8",
"user-agent":
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.163 Safari/537.36",
},
method: "POST",
})
response = new Response(response.body, response)
response.headers.set("Access-Control-Allow-Origin", "*")
return response
} else if (slugs.indexOf(url.pathname.slice(1)) > -1) {
const pageId = SLUG_TO_PAGE[url.pathname.slice(1)]
return Response.redirect("https://" + MY_DOMAIN + "/" + pageId, 301)
} else {
response = await fetch(url.toString(), {
body: request.body,
headers: request.headers,
method: request.method,
})
response = new Response(response.body, response)
response.headers.delete("Content-Security-Policy")
response.headers.delete("X-Content-Security-Policy")
}
return appendJavascript(response, SLUG_TO_PAGE)
}
class MetaRewriter {
element(element) {
if (PAGE_TITLE !== "") {
if (
element.getAttribute("property") === "og:title" ||
element.getAttribute("name") === "twitter:title"
) {
element.setAttribute("content", PAGE_TITLE)
}
if (element.tagName === "title") {
element.setInnerContent(PAGE_TITLE)
}
}
if (PAGE_DESCRIPTION !== "") {
if (
element.getAttribute("name") === "description" ||
element.getAttribute("property") === "og:description" ||
element.getAttribute("name") === "twitter:description"
) {
element.setAttribute("content", PAGE_DESCRIPTION)
}
}
if (
element.getAttribute("property") === "og:url" ||
element.getAttribute("name") === "twitter:url"
) {
element.setAttribute("content", MY_DOMAIN)
}
if (element.getAttribute("name") === "apple-itunes-app") {
element.remove()
}
}
}
class HeadRewriter {
element(element) {
if (GOOGLE_FONT !== "") {
element.append(
`<link href="https://fonts.googleapis.com/css?family=${GOOGLE_FONT.replace(
" ",
"+"
)}:Regular,Bold,Italic&display=swap" rel="stylesheet">
<style>* { font-family: "${GOOGLE_FONT}" !important; }</style>`,
{
html: true,
}
)
}
element.append(
`<style>
div.notion-topbar > div > div:nth-child(3) { display: none !important; }
div.notion-topbar > div > div:nth-child(4) { display: none !important; }
div.notion-topbar > div > div:nth-child(5) { display: none !important; }
div.notion-topbar > div > div:nth-child(6) { display: none !important; }
div.notion-topbar-mobile > div:nth-child(3) { display: none !important; }
div.notion-topbar-mobile > div:nth-child(4) { display: none !important; }
div.notion-topbar > div > div:nth-child(1n).toggle-mode { display: block !important; }
div.notion-topbar-mobile > div:nth-child(1n).toggle-mode { display: block !important; }
</style>`,
{
html: true,
}
)
}
}
class BodyRewriter {
constructor(SLUG_TO_PAGE) {
this.SLUG_TO_PAGE = SLUG_TO_PAGE
}
element(element) {
element.append(
`<div style="display:none">Powered by <a href="http://fruitionsite.com">Fruition</a></div>
<script>
window.CONFIG.domainBaseUrl = location.origin;
const SLUG_TO_PAGE = ${JSON.stringify(this.SLUG_TO_PAGE)};
const PAGE_TO_SLUG = {};
const slugs = [];
const pages = [];
const el = document.createElement('div');
let redirected = false;
Object.keys(SLUG_TO_PAGE).forEach(slug => {
const page = SLUG_TO_PAGE[slug];
slugs.push(slug);
pages.push(page);
PAGE_TO_SLUG[page] = slug;
});
function getPage() {
return location.pathname.slice(-32);
}
function getSlug() {
return location.pathname.slice(1);
}
function updateSlug() {
const slug = PAGE_TO_SLUG[getPage()];
if (slug != null) {
history.replaceState(history.state, '', '/' + slug);
}
}
function onDark() {
el.innerHTML = '<div title="Change to Light Mode" style="margin-left: auto; margin-right: 14px; min-width: 0px;"><div role="button" tabindex="0" style="user-select: none; transition: background 120ms ease-in 0s; cursor: pointer; border-radius: 44px;"><div style="display: flex; flex-shrink: 0; height: 14px; width: 26px; border-radius: 44px; padding: 2px; box-sizing: content-box; background: rgb(46, 170, 220); transition: background 200ms ease 0s, box-shadow 200ms ease 0s;"><div style="width: 14px; height: 14px; border-radius: 44px; background: white; transition: transform 200ms ease-out 0s, background 200ms ease-out 0s; transform: translateX(12px) translateY(0px);"></div></div></div></div>';
document.body.classList.add('dark');
__console.environment.ThemeStore.setState({ mode: 'dark' });
};
function onLight() {
el.innerHTML = '<div title="Change to Dark Mode" style="margin-left: auto; margin-right: 14px; min-width: 0px;"><div role="button" tabindex="0" style="user-select: none; transition: background 120ms ease-in 0s; cursor: pointer; border-radius: 44px;"><div style="display: flex; flex-shrink: 0; height: 14px; width: 26px; border-radius: 44px; padding: 2px; box-sizing: content-box; background: rgba(135, 131, 120, 0.3); transition: background 200ms ease 0s, box-shadow 200ms ease 0s;"><div style="width: 14px; height: 14px; border-radius: 44px; background: white; transition: transform 200ms ease-out 0s, background 200ms ease-out 0s; transform: translateX(0px) translateY(0px);"></div></div></div></div>';
document.body.classList.remove('dark');
__console.environment.ThemeStore.setState({ mode: 'light' });
}
function toggle() {
if (document.body.classList.contains('dark')) {
onLight();
} else {
onDark();
}
}
function addDarkModeButton(device) {
const nav = device === 'web' ? document.querySelector('.notion-topbar').firstChild : document.querySelector('.notion-topbar-mobile');
el.className = 'toggle-mode';
el.addEventListener('click', toggle);
nav.appendChild(el);
onLight();
}
const observer = new MutationObserver(function() {
if (redirected) return;
const nav = document.querySelector('.notion-topbar');
const mobileNav = document.querySelector('.notion-topbar-mobile');
if (nav && nav.firstChild && nav.firstChild.firstChild
|| mobileNav && mobileNav.firstChild) {
redirected = true;
updateSlug();
addDarkModeButton(nav ? 'web' : 'mobile');
const onpopstate = window.onpopstate;
window.onpopstate = function() {
if (slugs.includes(getSlug())) {
const page = SLUG_TO_PAGE[getSlug()];
if (page) {
history.replaceState(history.state, 'bypass', '/' + page);
}
}
onpopstate.apply(this, [].slice.call(arguments));
updateSlug();
};
}
});
observer.observe(document.querySelector('#notion-app'), {
childList: true,
subtree: true,
});
const replaceState = window.history.replaceState;
window.history.replaceState = function(state) {
if (arguments[1] !== 'bypass' && slugs.includes(getSlug())) return;
return replaceState.apply(window.history, arguments);
};
const pushState = window.history.pushState;
window.history.pushState = function(state) {
const dest = new URL(location.protocol + location.host + arguments[2]);
const id = dest.pathname.slice(-32);
if (pages.includes(id)) {
arguments[2] = '/' + PAGE_TO_SLUG[id];
}
return pushState.apply(window.history, arguments);
};
const open = window.XMLHttpRequest.prototype.open;
window.XMLHttpRequest.prototype.open = function() {
arguments[1] = arguments[1].replace('${MY_DOMAIN}', 'www.notion.so');
return open.apply(this, [].slice.call(arguments));
};
</script>${CUSTOM_SCRIPT}`,
{
html: true,
}
)
}
}
async function appendJavascript(res, SLUG_TO_PAGE) {
return new HTMLRewriter()
.on("title", new MetaRewriter())
.on("meta", new MetaRewriter())
.on("head", new HeadRewriter())
.on("body", new BodyRewriter(SLUG_TO_PAGE))
.transform(res)
}
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