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May 22, 2020 16:48
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Notion.so > Personal Blog | custom domain + disqus comment
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const MY_DOMAIN = "support.indinerocorp.com" | |
const START_PAGE = "https://www.notion.so/inDinero-Help-Center-465343520bbe4af19f3b0144b70a1192" | |
addEventListener('fetch', event => { | |
event.respondWith(fetchAndApply(event.request)) | |
}) | |
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) | |
let response | |
if (url.pathname.startsWith("/app") && url.pathname.endsWith("js")) { | |
// skip validation in app.js | |
response = await fetch(`https://www.notion.so${url.pathname}`) | |
let body = await response.text() | |
try { | |
response = new Response(body.replace(/www.notion.so/g, MY_DOMAIN).replace(/notion.so/g, MY_DOMAIN), response) | |
response.headers.set('Content-Type', "application/x-javascript") | |
console.log("get rewrite app.js") | |
} catch (err) { | |
console.log(err) | |
} | |
} else if ((url.pathname.startsWith("/api"))) { | |
// Forward API | |
response = await fetch(`https://www.notion.so${url.pathname}`, { | |
body: request.body, // must match 'Content-Type' header | |
headers: { | |
'content-type': 'application/json;charset=UTF-8', | |
'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.103 Safari/537.36' | |
}, | |
method: "POST", // *GET, POST, PUT, DELETE, etc. | |
}) | |
response = new Response(response.body, response) | |
response.headers.set('Access-Control-Allow-Origin', "*") | |
} else if (url.pathname === `/`) { | |
// 301 redrict | |
let pageUrlList = START_PAGE.split("/") | |
let redrictUrl = `https://${MY_DOMAIN}/${pageUrlList[pageUrlList.length - 1]}` | |
return Response.redirect(redrictUrl, 301) | |
} else { | |
response = await fetch(`https://www.notion.so${url.pathname}`, { | |
body: request.body, // must match 'Content-Type' header | |
headers: request.headers, | |
method: request.method, // *GET, POST, PUT, DELETE, etc. | |
}) | |
response = new Response(response.body, response) | |
} | |
return response | |
} |
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