187 lines
8.6 KiB
JavaScript
187 lines
8.6 KiB
JavaScript
|
|
||
|
|
|
||
|
|
"use strict";
|
||
|
|
|
||
|
|
var Background = new function() {
|
||
|
|
|
||
|
|
console.log("loading background.js ...");
|
||
|
|
|
||
|
|
const {js, css} = chrome.runtime.getManifest().content_scripts[0];
|
||
|
|
const badgeColor = "#646464";
|
||
|
|
const playMsg = chrome.i18n.getMessage("play");
|
||
|
|
const pauseMsg = chrome.i18n.getMessage("pause");
|
||
|
|
const sArea = "local";
|
||
|
|
const permsAutoplayKey = Permissions.key("autoplay");
|
||
|
|
const permsAutoplayDefaultKey = Permissions.defaultKey("autoplay");
|
||
|
|
const permsFlashKey = Permissions.key("flash");
|
||
|
|
const permsFlashDefaultKey = Permissions.defaultKey("flash");
|
||
|
|
const sKeys = ["disabled", "debug", permsFlashKey, permsFlashDefaultKey, permsAutoplayKey,
|
||
|
|
permsAutoplayDefaultKey, "selector-css", "uhandler", "handler", "disableOverwrite", "devtools"];
|
||
|
|
|
||
|
|
var selector = null;
|
||
|
|
var permissions = null;
|
||
|
|
var permsAutoplayCache = {};
|
||
|
|
var permsFlashCache = {};
|
||
|
|
var tabs = { get(id) { return this[id] || (this[id] = {id, count: 0})}};
|
||
|
|
var menuitem = null;
|
||
|
|
|
||
|
|
var storage = new Storage(sKeys, sArea);
|
||
|
|
storage.addChangeListener(function(changes){
|
||
|
|
if (changes.indexOf("selector-css") != -1) selector = storage.data["selector-css"].split("{")[0];
|
||
|
|
if (changes.indexOf(permsAutoplayKey) != -1 || changes.indexOf(permsAutoplayDefaultKey) != -1) permsAutoplayCache = {};
|
||
|
|
if (changes.indexOf(permsFlashKey) != -1 || changes.indexOf(permsFlashDefaultKey) != -1) permsFlashCache = {};
|
||
|
|
if (changes.indexOf("disabled") != -1) updateIcon();
|
||
|
|
});
|
||
|
|
|
||
|
|
storage.ready.then(function() {
|
||
|
|
console.log("storage.ready");
|
||
|
|
updateIcon();
|
||
|
|
permissions = new Permissions(storage.data);
|
||
|
|
if (permissions.default("autoplay") === undefined) permissions.setDefault("autoplay", Permission.DENY_ACTION);
|
||
|
|
if (permissions.default("flash") === undefined) permissions.setDefault("flash", Permission.ALLOW_ACTION);
|
||
|
|
chrome.webNavigation.onCommitted.addListener(onCommitted, {url: [{schemes: ["http", "https", "about"]}]});
|
||
|
|
if (!storage.data.uhandler)
|
||
|
|
loadScript("uhandler", chrome.extension.getURL("script/userhandler.js"));
|
||
|
|
if (!storage.data.handler)
|
||
|
|
loadScript("handler", chrome.extension.getURL("script/handler.js"));
|
||
|
|
if (!storage.data["selector-css"])
|
||
|
|
loadScript("selector-css", chrome.extension.getURL("script/selector.css"));
|
||
|
|
selector = storage.data["selector-css"].split("{")[0];
|
||
|
|
js.forEach(function(a) { execScript(a, null, 0)});
|
||
|
|
});
|
||
|
|
|
||
|
|
chrome.browserAction.setBadgeBackgroundColor({color: badgeColor});
|
||
|
|
chrome.tabs.onRemoved.addListener(function(tabid){ delete tabs[tabid]; });
|
||
|
|
chrome.tabs.onActivated.addListener(resetMenuitem);
|
||
|
|
chrome.runtime.onMessage.addListener(handleMessage);
|
||
|
|
chrome.runtime.onInstalled.addListener(function(details) {
|
||
|
|
if (details.reason == "update" && !storage.data.disableOverwrite) {
|
||
|
|
loadScript("handler", chrome.extension.getURL("script/handler.js"));
|
||
|
|
loadScript("selector-css", chrome.extension.getURL("script/selector.css"));
|
||
|
|
selector = storage.data["selector-css"].split("{")[0];
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
return {
|
||
|
|
get i18n() { return i18n; },
|
||
|
|
get storage() { return storage; },
|
||
|
|
get permissions() { return permissions; },
|
||
|
|
openOptionsPage: function openOptionsPage(hash) {
|
||
|
|
chrome.runtime.openOptionsPage();
|
||
|
|
if (hash) addEventListener("message", function(e) {
|
||
|
|
if (location.origin == e.origin && e.data == "optionsPageActive")
|
||
|
|
e.source.location.hash = hash;
|
||
|
|
}, { once: true});
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
function resetMenuitem(){ if (menuitem) menuitem = chrome.contextMenus.remove("play-menuitem"); }
|
||
|
|
|
||
|
|
function updateIcon() { chrome.browserAction.setIcon({ path: "/icons/" + (storage.data.disabled ? "icon32d.png" : "icon32.png")})};
|
||
|
|
|
||
|
|
function handleMessage(request, sender, sendResponse)
|
||
|
|
{
|
||
|
|
if (!storage.data.handler) {
|
||
|
|
console.log("handleMessage delayed -", request, sender);
|
||
|
|
storage.ready.then(function() { handleMessage(request, sender, sendResponse)});
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
if (request == "permission") {
|
||
|
|
var data = {debug: !!storage.data.debug};
|
||
|
|
var allow = true, host = sender.tab && new URL(sender.tab.url).origin;
|
||
|
|
if (host && !storage.data.disabled) {
|
||
|
|
var permission = permsAutoplayCache[host] ||
|
||
|
|
(permsAutoplayCache[host] = permissions.testPermission("autoplay", sender.tab.url));
|
||
|
|
allow = permission == Permission.ALLOW_ACTION ||
|
||
|
|
(permission == Permission.ACCESS_SESSION && tabs.get(sender.tab.id).last == host);
|
||
|
|
data.strict = permission == Permission.PROMPT_ACTION;
|
||
|
|
}
|
||
|
|
var msg = {msg: "permission", data, allow, selector, handler: storage.data.handler, uhandler: storage.data.uhandler};
|
||
|
|
// console.log("background send:", msg, sender.url, sender.tab.url);
|
||
|
|
sendResponse(msg);
|
||
|
|
}
|
||
|
|
if (request == "count")
|
||
|
|
chrome.browserAction.setBadgeText({text: String(++tabs.get(sender.tab.id).count), tabId: sender.tab.id});
|
||
|
|
if (request.msg == "contextmenu") {
|
||
|
|
resetMenuitem();
|
||
|
|
if (request.media)
|
||
|
|
menuitem = chrome.contextMenus.create({ id: "play-menuitem", title: request.paused ? playMsg : pauseMsg,
|
||
|
|
contexts: ["all"], onclick: function onClick(info, tab) { if (info.menuItemId == "play-menuitem") sendResponse();}
|
||
|
|
})
|
||
|
|
return !!request.media;
|
||
|
|
}
|
||
|
|
if (request.msg == "select") {
|
||
|
|
fetch(request.url, {cache: "no-store"}).then(function(res) {
|
||
|
|
res.blob().then(function(file){ sendResponse({url: URL.createObjectURL(file), name: file.name}); });
|
||
|
|
});
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
if (request.msg == "load") {
|
||
|
|
var res = loadScript(request.script, request.file);
|
||
|
|
sendResponse(res);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
function onCommitted(details)
|
||
|
|
{
|
||
|
|
var allow = true, url = new URL(details.url);
|
||
|
|
if (url.protocol.search("^chrome") != -1) return;
|
||
|
|
|
||
|
|
var tab = tabs.get(details.tabId);
|
||
|
|
if (details.frameId == 0) {
|
||
|
|
tab.last = tab.host;
|
||
|
|
tab.host = url.origin;
|
||
|
|
tab.url = details.url;
|
||
|
|
tab.count = 0;
|
||
|
|
chrome.browserAction.setBadgeText({text:'', tabId: tab.id});
|
||
|
|
chrome.tabs.query({ active: true, currentWindow: true}, function(tabs) {
|
||
|
|
if (tabs[0] && tabs[0].id == tab.id) resetMenuitem();
|
||
|
|
});
|
||
|
|
}
|
||
|
|
if (!storage.data.disabled && tab.url) {
|
||
|
|
var permission = permsFlashCache[tab.host] ||
|
||
|
|
(permsFlashCache[tab.host] = permissions.testPermission("flash", tab.url));
|
||
|
|
if (permission == Permission.DENY_ACTION)
|
||
|
|
execScript("content/navigator.js", details.tabId, details.frameId);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
function execScript(file, tabId, frameId) {
|
||
|
|
chrome.tabs.executeScript(tabId, {file, frameId, matchAboutBlank: true, runAt: "document_start"}, function() {
|
||
|
|
if (chrome.runtime.lastError && storage.data.debug)
|
||
|
|
console.error("chrome.tabs.executeScript - error", chrome.runtime.lastError, {tabId, frameId, file});
|
||
|
|
});
|
||
|
|
};
|
||
|
|
|
||
|
|
function insertCSS(file, tabId, frameId) {
|
||
|
|
chrome.tabs.insertCSS(tabId, {file, frameId, matchAboutBlank: true, runAt: "document_start"}, function() {
|
||
|
|
if (chrome.runtime.lastError && storage.data.debug)
|
||
|
|
console.error("chrome.tabs.insertCSS - error", chrome.runtime.lastError, {tabId, frameId, file});
|
||
|
|
});
|
||
|
|
};
|
||
|
|
|
||
|
|
function loadScript(script, url){
|
||
|
|
try {
|
||
|
|
var request = new XMLHttpRequest();
|
||
|
|
request.overrideMimeType("text/plain");
|
||
|
|
request.open("GET", url, false);
|
||
|
|
request.setRequestHeader("pragma", "no-cache");
|
||
|
|
request.send();
|
||
|
|
if (request.statusText == "Not Found" || !request.responseURL)
|
||
|
|
throw new DOMException(`Failed to load '${url}'.`, "NetworkError");
|
||
|
|
|
||
|
|
storage.data[script] = request.responseText;
|
||
|
|
storage.commit([script]);
|
||
|
|
} catch (e) {
|
||
|
|
chrome.extension.isAllowedFileSchemeAccess(function(allowed) {
|
||
|
|
if(!allowed && url.search(/^blob:/) == -1)
|
||
|
|
return alert(chrome.i18n.getMessage("allowFileUrls"));
|
||
|
|
alert(`${chrome.i18n.getMessage("loadError")} ${e.name}\n ${e.message}`);
|
||
|
|
});
|
||
|
|
return e;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
//</>
|