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chrome.tabs.onUpdated.addListener(function(tabId, changeInfo, tab) {
chrome.tabs.sendMessage(tabId, {
message: 'update',
});
});
chrome.runtime.onMessage.addListener(function (request, sender, callback) {
switch(request.message) {
case "submitTimes":
submitTimes(request.videoID, callback);
//this allows the callback to be called later by the submitTimes function
return true;
case "addSponsorTime":
addSponsorTime(request.time, request.videoID, callback);
//this allows the callback to be called later
return true;
case "getSponsorTimes":
getSponsorTimes(request.videoID, function(sponsorTimes) {
callback({
sponsorTimes: sponsorTimes
})
});
//this allows the callback to be called later
return true;
case "submitVote":
submitVote(request.type, request.UUID, callback);
//this allows the callback to be called later
return true;
case "alertPrevious":
chrome.notifications.create("stillThere" + Math.random(), {
type: "basic",
title: chrome.i18n.getMessage("wantToSubmit") + request.previousVideoID + "?",
message: chrome.i18n.getMessage("leftTimes"),
iconUrl: "./icons/LogoSponsorBlocker256px.png"
});
}
});
//add help page on install
chrome.runtime.onInstalled.addListener(function (object) {
// TODO (shownInstallPage): remove shownInstallPage logic after sufficient amount of time,
// so that people have time to upgrade and move to shownInstallPage-free code.
chrome.storage.sync.get(["userID", "shownInstallPage"], function(result) {
const userID = result.userID;
// TODO (shownInstallPage): delete row below
const shownInstallPage = result.shownInstallPage;
// If there is no userID, then it is the first install.
if (!userID){
// Show install page, if there is no user id
// and there is no shownInstallPage.
// TODO (shownInstallPage): remove this if statement, but leave contents
if (!shownInstallPage){
//open up the install page
chrome.tabs.create({url: chrome.extension.getURL("/help/"+chrome.i18n.getMessage("helpPage"))});
}
// TODO (shownInstallPage): delete if statement and contents
// If shownInstallPage is set, remove it.
if (!!shownInstallPage){
chrome.storage.sync.remove("shownInstallPage");
}
//generate a userID
const newUserID = generateUserID();
//save this UUID
chrome.storage.sync.set({
"userID": newUserID
});
}
});
});
//gets the sponsor times from memory
function getSponsorTimes(videoID, callback) {
let sponsorTimes = [];
let sponsorTimeKey = "sponsorTimes" + videoID;
chrome.storage.sync.get([sponsorTimeKey], function(result) {
let sponsorTimesStorage = result[sponsorTimeKey];
if (sponsorTimesStorage != undefined && sponsorTimesStorage.length > 0) {
sponsorTimes = sponsorTimesStorage;
}
callback(sponsorTimes)
});
}
function addSponsorTime(time, videoID, callback) {
getSponsorTimes(videoID, function(sponsorTimes) {
//add to sponsorTimes
if (sponsorTimes.length > 0 && sponsorTimes[sponsorTimes.length - 1].length < 2) {
//it is an end time
sponsorTimes[sponsorTimes.length - 1][1] = time;
} else {
//it is a start time
let sponsorTimesIndex = sponsorTimes.length;
sponsorTimes[sponsorTimesIndex] = [];
sponsorTimes[sponsorTimesIndex][0] = time;
}
//save this info
let sponsorTimeKey = "sponsorTimes" + videoID;
chrome.storage.sync.set({[sponsorTimeKey]: sponsorTimes}, callback);
});
}
function submitVote(type, UUID, callback) {
chrome.storage.sync.get(["userID"], function(result) {
let userID = result.userID;
if (userID == undefined || userID === "undefined") {
//generate one
userID = generateUserID();
chrome.storage.sync.set({
"userID": userID
});
}
//publish this vote
sendRequestToServer("GET", "/api/voteOnSponsorTime?UUID=" + UUID + "&userID=" + userID + "&type=" + type, function(xmlhttp, error) {
if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
callback({
successType: 1
});
} else if (xmlhttp.readyState == 4 && xmlhttp.status == 405) {
//duplicate vote
callback({
successType: 0,
statusCode: xmlhttp.status
});
} else if (error) {
//error while connect
callback({
successType: -1,
statusCode: xmlhttp.status
});
}
})
})
}
function submitTimes(videoID, callback) {
//get the video times from storage
let sponsorTimeKey = 'sponsorTimes' + videoID;
chrome.storage.sync.get([sponsorTimeKey, "userID"], async function(result) {
let sponsorTimes = result[sponsorTimeKey];
let userID = result.userID;
if (sponsorTimes != undefined && sponsorTimes.length > 0) {
let durationResult = await new Promise((resolve, reject) => {
chrome.tabs.query({
active: true,
currentWindow: true
}, function(tabs) {
chrome.tabs.sendMessage(tabs[0].id, {
message: "getVideoDuration"
}, (response) => resolve(response));
});
});
//check if a sponsor exceeds the duration of the video
for (let i = 0; i < sponsorTimes.length; i++) {
if (sponsorTimes[i][1] > durationResult.duration) {
sponsorTimes[i][1] = durationResult.duration;
}
}
//submit these times
for (let i = 0; i < sponsorTimes.length; i++) {
//submit the sponsorTime
sendRequestToServer("GET", "/api/postVideoSponsorTimes?videoID=" + videoID + "&startTime=" + sponsorTimes[i][0] + "&endTime=" + sponsorTimes[i][1]
+ "&userID=" + userID, function(xmlhttp, error) {
if (xmlhttp.readyState == 4 && !error) {
callback({
statusCode: xmlhttp.status
});
if (xmlhttp.status == 200) {
//add these to the storage log
chrome.storage.sync.get(["sponsorTimesContributed"], function(result) {
let currentContributionAmount = 0;
if (result.sponsorTimesContributed != undefined) {
//current contribution amount is known
currentContributionAmount = result.sponsorTimesContributed;
}
//save the amount contributed
chrome.storage.sync.set({"sponsorTimesContributed": currentContributionAmount + sponsorTimes.length});
});
}
} else if (error) {
callback({
statusCode: -1
});
}
});
}
}
});
}
function sendRequestToServer(type, address, callback) {
let xmlhttp = new XMLHttpRequest();
xmlhttp.open(type, serverAddress + address, true);
if (callback != undefined) {
xmlhttp.onreadystatechange = function () {
callback(xmlhttp, false);
};
xmlhttp.onerror = function(ev) {
callback(xmlhttp, true);
};
}
//submit this request
xmlhttp.send();
}
function generateUserID(length = 36) {
let charset = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
let result = "";
if (window.crypto && window.crypto.getRandomValues) {
values = new Uint32Array(length);
window.crypto.getRandomValues(values);
for (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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