CanvasBlocker/lib/lists.js

130 lines
2.9 KiB
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
(function(){
"use strict";
let scope;
if ((typeof exports) !== "undefined"){
scope = exports;
}
else {
scope = require.register("./lists", {});
}
const settings = require("./settings");
function getDomainRegExpList(domainList){
const list = domainList
.split(",")
.map(function(entry){
return entry.replace(/^\s+|\s+$/g, "");
})
.filter(function(entry){
return !!entry.length;
})
.map(function(entry){
let regExp;
const domain = !!entry.match(/^[A-Za-z0-9_.-]+$/);
if (domain){
regExp = new RegExp("(?:^|\\.)" + entry.replace(/([\\+*?[^\]$(){}=!|.])/g, "\\$1") + "\\.?$", "i");
}
else {
regExp = new RegExp(entry, "i");
}
return {
match: function(url){
if (domain){
return (url.hostname || "").match(regExp);
}
else {
return url.href.match(regExp);
}
}
};
});
return addMatchToList(list);
}
function addMatchToList(list){
list.match = function(url){
return this.some(function(entry){
return entry.match(url);
});
};
return list;
}
const lists = {
white: [],
sessionWhite: [],
"ignore": [],
black: []
};
function updateList(type, value){
if (typeof value === "undefined"){
value = settings[type + "List"];
}
lists[type] = getDomainRegExpList(value);
return lists[type];
}
Object.keys(lists).forEach(function(type){
settings.on(type + "List", function({newValue}){
updateList(type, newValue);
});
updateList(type, settings[type + "List"]);
});
function updateStackList(value){
let list;
try {
let data = JSON.parse(value);
if (!Array.isArray(data)){
data = [data];
}
list = data.filter(function(entry){
return typeof entry === "object" && typeof entry.url === "string";
});
}
catch(error){
list = [];
}
list.match = function(stack){
return this.some(function(stackRule){
return stack.match(stackRule);
});
};
lists.stack = list;
}
lists.stack = [];
settings.on("stackList", function({newValue}){
updateStackList(newValue);
});
updateStackList(settings.stackList);
scope.get = function getList(type){
if (type === "white"){
const combined = lists.white.slice().concat(lists.sessionWhite);
return addMatchToList(combined);
}
return lists[type];
};
scope.appendTo = async function appendToList(type, entry){
const oldValue = settings[type + "List"];
await settings.set(type + "List", oldValue + (oldValue? ",": "") + entry);
return updateList(type);
};
scope.update = updateList;
scope.updateAll = function updateAllLists(){
updateList("white");
updateList("ignore");
updateList("black");
updateStackList(settings.stackList);
};
settings.onloaded(scope.updateAll);
}());