// When running locally will occupy the 0.0.0.0 hostname space but when deployed inside // of docker this endpoint is not exposed so it is only on the Docker instances internal network // so no additional security is needed on the endpoint directly. Auth is done however by the express // middleware prior to leaving the node-side of the application so that is good enough >:) const PROCESSOR_API = "http://0.0.0.0:8888"; async function checkProcessorAlive() { return await fetch(`${PROCESSOR_API}`) .then((res) => res.ok) .catch((e) => false); } async function acceptedFileTypes() { return await fetch(`${PROCESSOR_API}/accepts`) .then((res) => { if (!res.ok) throw new Error("Could not reach"); return res.json(); }) .then((res) => res) .catch(() => null); } async function processDocument(filename = "") { if (!filename) return false; return await fetch(`${PROCESSOR_API}/process`, { method: "POST", headers: { "Content-Type": "application/json", }, body: JSON.stringify({ filename }), }) .then((res) => { if (!res.ok) throw new Error("Response could not be completed"); return res.json(); }) .then((res) => res) .catch((e) => { console.log(e.message); return { success: false, reason: e.message, documents: [] }; }); } async function processLink(link = "") { if (!link) return false; return await fetch(`${PROCESSOR_API}/process-link`, { method: "POST", headers: { "Content-Type": "application/json", }, body: JSON.stringify({ link }), }) .then((res) => { if (!res.ok) throw new Error("Response could not be completed"); return res.json(); }) .then((res) => res) .catch((e) => { console.log(e.message); return { success: false, reason: e.message, documents: [] }; }); } // We will not ever expose the document processor to the frontend API so instead we relay // all requests through the server. You can use this function to directly expose a specific endpoint // on the document processor. async function forwardExtensionRequest({ endpoint, method, body }) { return await fetch(`${PROCESSOR_API}${endpoint}`, { method, body, // Stringified JSON! headers: { "Content-Type": "application/json", }, }) .then((res) => { if (!res.ok) throw new Error("Response could not be completed"); return res.json(); }) .then((res) => res) .catch((e) => { console.log(e.message); return { success: false, data: {}, reason: e.message }; }); } module.exports = { checkProcessorAlive, processDocument, processLink, acceptedFileTypes, forwardExtensionRequest, };