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const apiUrl = "https://returnyoutubedislikeapi.com";
let api;
if (typeof chrome !== "undefined" && typeof chrome.runtime !== "undefined")
api = chrome;
else if (
typeof browser !== "undefined" &&
typeof browser.runtime !== "undefined"
)
api = browser;
api.runtime.onMessage.addListener((request, sender, sendResponse) => {
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") {
// chrome.identity.clearAllCachedAuthTokens(() => console.log("logged off"));
} else if (request.message == "set_state") {
// chrome.identity.getAuthToken({ interactive: true }, function (token) {
let token = "";
fetch(`${apiUrl}/votes?videoId=${request.videoId}&likeCount=${request.likeCount || ''}`, {
method: "GET",
headers: {
Accept: "application/json",
},
})
.then((response) => response.json())
.then((response) => {
sendResponse(response);
})
.catch();
return true;
} else if (request.message == "send_links") {
toSend = toSend.concat(request.videoIds.filter((x) => !sentIds.has(x)));
if (toSend.length >= 20) {
fetch(`${apiUrl}/votes`, {
method: "POST",
headers: {
"Content-Type": "application/json",
},
body: JSON.stringify(toSend),
});
for (const toSendUrl of toSend) {
sentIds.add(toSendUrl);
}
toSend = [];
}
} else if (request.message == "register") {
register();
return true;
} else if (request.message == "send_vote") {
sendVote(request.videoId, request.vote);
return true;
}
});
async function sendVote(videoId, vote) {
api.storage.sync.get(null, async (storageResult) => {
if (!storageResult.userId || !storageResult.registrationConfirmed) {
await register();
return;
}
fetch(`${apiUrl}/interact/vote`, {
method: "POST",
headers: {
"Content-Type": "application/json",
},
body: JSON.stringify({
userId: storageResult.userId,
videoId,
value: vote,
}),
})
.then(async (response) => {
if (response.status == 401) {
await register();
await sendVote(videoId, vote);
return;
}
return response.json()
})
.then((response) => {
solvePuzzle(response).then((solvedPuzzle) => {
fetch(`${apiUrl}/interact/confirmVote`, {
method: "POST",
headers: {
"Content-Type": "application/json",
},
body: JSON.stringify({
...solvedPuzzle,
userId: storageResult.userId,
videoId,
}),
});
});
});
});
}
function register() {
let userId = generateUserID();
api.storage.sync.set({ userId });
return fetch(`${apiUrl}/puzzle/registration?userId=${userId}`, {
method: "GET",
headers: {
Accept: "application/json",
},
})
.then((response) => response.json())
.then((response) => {
return solvePuzzle(response).then((solvedPuzzle) => {
return fetch(`${apiUrl}/puzzle/registration?userId=${userId}`, {
method: "POST",
headers: {
"Content-Type": "application/json",
},
body: JSON.stringify(solvedPuzzle),
}).then((response) =>
response.json().then((result) => {
if (result === true) {
return api.storage.sync.set({ registrationConfirmed: true });
}
})
);
});
})
.catch();
}
api.storage.sync.get(null, (res) => {
if (!res || !res.userId || !res.registrationConfirmed) {
register();
}
});
const sentIds = new Set();
let toSend = [];
function sendUserSubmittedStatisticsToApi(statistics) {
fetch(`${apiUrl}/votes/user-submitted`, {
method: "POST",
headers: {
"Content-Type": "application/json",
},
body: JSON.stringify(statistics),
});
}
function countLeadingZeroes(uInt8View, limit) {
let zeroes = 0;
let value = 0;
for (let i = 0; i < uInt8View.length; i++) {
value = uInt8View[i];
if (value === 0) {
zeroes += 8;
} else {
let count = 1;
if (value >>> 4 === 0) {
count += 4;
value <<= 4;
}
if (value >>> 6 === 0) {
count += 2;
value <<= 2;
}
zeroes += count - (value >>> 7);
break;
}
if (zeroes >= limit) {
break;
}
}
return zeroes;
}
async function solvePuzzle(puzzle) {
let challenge = Uint8Array.from(atob(puzzle.challenge), (c) =>
c.charCodeAt(0)
);
let buffer = new ArrayBuffer(20);
let uInt8View = new Uint8Array(buffer);
let uInt32View = new Uint32Array(buffer);
let maxCount = Math.pow(2, puzzle.difficulty) * 5;
for (let i = 4; i < 20; i++) {
uInt8View[i] = challenge[i - 4];
}
for (let i = 0; i < maxCount; i++) {
uInt32View[0] = i;
let hash = await crypto.subtle.digest("SHA-512", buffer);
let hashUint8 = new Uint8Array(hash);
if (countLeadingZeroes(hashUint8) >= puzzle.difficulty) {
return {
solution: btoa(String.fromCharCode.apply(null, uInt8View.slice(0, 4))),
};
}
}
}
function generateUserID(length = 36) {
const charset =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
let result = "";
if (crypto && crypto.getRandomValues) {
const values = new Uint32Array(length);
crypto.getRandomValues(values);
for (let i = 0; i < length; i++) {
result += charset[values[i] % charset.length];
}
return result;
} else {
for (let i = 0; i < length; i++) {
result += charset[Math.floor(Math.random() * charset.length)];
}
return result;
}
}
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