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authorRuben Rodriguez <ruben@gnu.org>2018-09-13 20:58:40 +0000
committerRuben Rodriguez <ruben@gnu.org>2018-09-13 20:58:40 +0000
commit3e4c252f982637b54719b427ac85ac3701d44abd (patch)
tree7b433796d4d3fcb9647e0da0cafe89e5e4d62521 /bg/Storage.js
parent0e004bf1a3c154b98a96494dc97ecba58b8162ed (diff)
parent3bf972bafeac738301623db6b08bedfd476abeca (diff)
Merge #17 `Brand new settings UI to manage whitelist, blacklist and other preferences. `
Diffstat (limited to 'bg/Storage.js')
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-/**
-* GNU LibreJS - A browser add-on to block nonfree nontrivial JavaScript.
-*
-* Copyright (C) 2018 Giorgio Maone <giorgio@maone.net>
-*
-* This file is part of GNU LibreJS.
-*
-* GNU LibreJS is free software: you can redistribute it and/or modify
-* it under the terms of the GNU General Public License as published by
-* the Free Software Foundation, either version 3 of the License, or
-* (at your option) any later version.
-*
-* GNU LibreJS is distributed in the hope that it will be useful,
-* but WITHOUT ANY WARRANTY; without even the implied warranty of
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-* GNU General Public License for more details.
-*
-* You should have received a copy of the GNU General Public License
-* along with GNU LibreJS. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-/**
- A tiny wrapper around extensions storage API, supporting CSV serialization for
- retro-compatibility
-*/
-
-var Storage = {
- ARRAY: {
- async load(key) {
- let array = (await browser.storage.local.get(key))[key];
- return array ? new Set(array) : new Set();
- },
- async save(key, list) {
- return await browser.storage.local.set({[key]: [...list]});
- },
- },
-
- CSV: {
- async load(key) {
- let csv = (await browser.storage.local.get(key))[key];
- return csv ? new Set(csv.split(/\s*,\s*/)) : new Set();
- },
-
- async save(key, list) {
- return await browser.storage.local.set({[key]: [...list].join(",")});
- }
- }
-};
-
-/**
- A class to hold and persist blacklists and whitelists
-*/
-
-class ListStore {
- constructor(key, storage = Storage.ARRAY) {
- this.key = key;
- this.storage = storage;
- this.items = new Set();
- }
-
- static hashItem(hash) {
- return hash.startsWith("(") ? hash : `(${hash})`;
- }
- static urlItem(url) {
- let queryPos = url.indexOf("?");
- return queryPos === -1 ? url : url.substring(0, queryPos);
- }
- static siteItem(url) {
- if (url.endsWith("/*")) return url;
- try {
- return `${new URL(url).origin}/*`;
- } catch (e) {
- return `${url}/*`;
- }
- }
-
- async save() {
- return await this.storage.save(this.key, this.items);
- }
-
- async load() {
- try {
- this.items = await this.storage.load(this.key);
- } catch (e) {
- console.error(e);
- }
- return this.items;
- }
-
- async store(item) {
- let size = this.items.size;
- return (size !== this.items.add(item).size) && await this.save();
- }
-
- async remove(item) {
- return this.items.delete(item) && await this.save();
- }
-
- contains(item) {
- return this.items.has(item);
- }
-}
-
-module.exports = { ListStore, Storage };