return-youtube-dislike/Extensions/chrome/background.js

const apiUrl = "https://return-youtube-dislike-api.azurewebsites.net";
const securityToken = Math.random().toString(36).substring(2, 15);

chrome.runtime.onMessage.addListener((request, sender, sendResponse) => {
	sendResponse(securityToken);
});

chrome.runtime.onMessageExternal.addListener((request, sender, sendResponse) => {
    if (request.securityToken === securityToken) {
        if (request.message === "get_auth_token") {
            // chrome.identity.getAuthToken({ interactive: true }, function (token) {
            //   console.log(token);
            //   chrome.identity.getProfileUserInfo(function (userInfo) {
            //     console.log(JSON.stringify(userInfo));
            //   });
            // });
        } else if (request.message === "log_off") {
            // console.log("logging off");
            // chrome.identity.clearAllCachedAuthTokens(() => console.log("logged off"));
        } else if (request.message == "set_state") {
            // console.log(request);
            // chrome.identity.getAuthToken({ interactive: true }, function (token) {
            let token = "";
            fetch(`${apiUrl}/votes?videoId=${request.videoId}`, {
                    method: "GET",
                    headers: {
                        Accept: "application/json",
                        Authorization: "Bearer " + token,
                    },
                })
                .then((response) => response.json())
                .then((response) => {
                    console.log(response);
                    sendResponse(response);
                })
                .catch();
            //});
            return true;
        }
    }
});