browser-extension/extension/background.js

141 lines
3.2 KiB
JavaScript

/*
extension background script listening for events
*/
console.log("running background.js");
let browserType = getBrowser();
// boilerplate to dedect browser type api
function getBrowser() {
if (typeof chrome !== "undefined") {
if (typeof browser !== "undefined") {
return browser;
} else {
return chrome;
}
} else {
console.log("failed to dedect browser");
throw "browser detection error"
};
}
// send get request to API backend
async function sendGet(path, access) {
const url = `${access.url}:${access.port}/${path}`;
console.log("GET: " + url);
const rawResponse = await fetch(url, {
method: "GET",
headers: {
"Accept": "application/json",
"Content-Type": "application/json",
"Authorization": "Token " + access.apiKey,
"mode": "no-cors"
}
});
const content = await rawResponse.json();
return content;
}
// send post request to API backend
async function sendPost(path, access, payload) {
const url = `${access.url}:${access.port}/${path}`;
console.log("POST: " + url);
console.log("POST: " + JSON.stringify(payload))
const rawResponse = await fetch(url, {
method: "POST",
headers: {
"Accept": "application/json",
"Content-Type": "application/json",
"Authorization": "Token " + access.apiKey,
"mode": "no-cors"
},
body: JSON.stringify(payload)
});
const content = await rawResponse.json();
return content;
}
// read access details from storage.local
async function getAccess() {
var storage = await browserType.storage.local.get("access");
return storage.access
}
// send ping to server, return response
async function verifyConnection() {
const path = "api/ping/";
let access = await getAccess();
let response = await sendGet(path, access)
console.log("verify connection: " + JSON.stringify(response));
return response
}
// store last youtube link
function setYoutubeLink(data) {
browserType.storage.local.set(data, function() {
console.log("Stored history: " + JSON.stringify(data));
});
}
// send download task to server, return response
async function downloadLink(toDownload) {
const path = "api/download/";
let payload = {
"data": [
{
"youtube_id": toDownload,
"status": "pending",
}
]
}
let access = await getAccess();
let response = await sendPost(path, access, payload)
return response
}
// process and return message if needed
function handleMessage(request, sender, sendResponse) {
console.log("message background.js listener: " + JSON.stringify(request));
if (request.verify === true) {
let response = verifyConnection();
response.then(message => {
sendResponse(message);
})
} else if (request.youtube) {
setYoutubeLink(request)
} else if (request.download) {
let response = downloadLink(request.download.url);
response.then(message => {
sendResponse(message)
})
}
return true;
}
browserType.runtime.onMessage.addListener(handleMessage);