mirror of
https://github.com/gorhill/uBlock.git
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137 lines
4.4 KiB
JavaScript
137 lines
4.4 KiB
JavaScript
/*******************************************************************************
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µBlock - a browser extension to block requests.
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Copyright (C) 2014 Raymond Hill
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see {http://www.gnu.org/licenses/}.
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Home: https://github.com/gorhill/uBlock
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*/
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/* global vAPI, uDom */
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/******************************************************************************/
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(function() {
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'use strict';
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/******************************************************************************/
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var messager = vAPI.messaging.channel('whitelist.js');
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/******************************************************************************/
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var cachedWhitelist = '';
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// Could make it more fancy if needed. But speed... It's a compromise.
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var reUnwantedChars = /[\x00-\x09\x0b\x0c\x0e-\x1f!"$'()<>{}|\\^\[\]`~]/;
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/******************************************************************************/
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var whitelistChanged = function() {
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var s = uDom('#whitelist').val().trim();
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var bad = reUnwantedChars.test(s);
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uDom('#whitelistApply').prop(
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'disabled',
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s === cachedWhitelist || bad
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);
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uDom('#whitelist').toggleClass('bad', bad);
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};
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/******************************************************************************/
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var renderWhitelist = function() {
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var onRead = function(whitelist) {
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cachedWhitelist = whitelist;
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uDom('#whitelist').val(cachedWhitelist);
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};
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messager.send({ what: 'getWhitelist' }, onRead);
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whitelistChanged();
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};
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/******************************************************************************/
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var handleImportFilePicker = function() {
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var fileReaderOnLoadHandler = function() {
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var textarea = uDom('#whitelist');
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textarea.val([textarea.val(), this.result].join('\n').trim());
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whitelistChanged();
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};
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var file = this.files[0];
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if ( file === undefined || file.name === '' ) {
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return;
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}
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if ( file.type.indexOf('text') !== 0 ) {
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return;
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}
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var fr = new FileReader();
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fr.onload = fileReaderOnLoadHandler;
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fr.readAsText(file);
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};
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/******************************************************************************/
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var startImportFilePicker = function() {
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var input = document.getElementById('importFilePicker');
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// Reset to empty string, this will ensure an change event is properly
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// triggered if the user pick a file, even if it is the same as the last
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// one picked.
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input.value = '';
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input.click();
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};
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/******************************************************************************/
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var exportWhitelistToFile = function() {
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var val = uDom('#whitelist').val().trim();
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if ( val === '' ) {
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return;
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}
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var now = new Date();
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var filename = vAPI.i18n('whitelistExportFilename')
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.replace('{{datetime}}', now.toLocaleString())
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.replace(/ +/g, '_');
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vAPI.download({
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'url': 'data:text/plain;charset=utf-8,' + encodeURIComponent(val),
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'filename': filename
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});
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};
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/******************************************************************************/
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var whitelistApplyHandler = function() {
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cachedWhitelist = uDom('#whitelist').val().trim();
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var request = {
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what: 'setWhitelist',
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whitelist: cachedWhitelist
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};
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messager.send(request, renderWhitelist);
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};
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/******************************************************************************/
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uDom.onLoad(function() {
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uDom('#importWhitelistFromFile').on('click', startImportFilePicker);
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uDom('#importFilePicker').on('change', handleImportFilePicker);
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uDom('#exportWhitelistToFile').on('click', exportWhitelistToFile);
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uDom('#whitelist').on('input', whitelistChanged);
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uDom('#whitelistApply').on('click', whitelistApplyHandler);
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renderWhitelist();
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});
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/******************************************************************************/
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})();
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