mirror of
https://github.com/gorhill/uBlock.git
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142 lines
4.3 KiB
JavaScript
142 lines
4.3 KiB
JavaScript
/*******************************************************************************
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µBlock - a Chromium 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 chrome, $ */
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/******************************************************************************/
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(function() {
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/******************************************************************************/
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var cachedUserFilters = '';
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/******************************************************************************/
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messaging.start('1p-filters.js');
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/******************************************************************************/
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// This is to give a visual hint that the content of user blacklist has changed.
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function userFiltersChanged() {
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$('#userFiltersApply')
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.attr(
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'disabled',
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$('#userFilters').val().trim() === cachedUserFilters
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);
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}
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/******************************************************************************/
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function renderUserFilters() {
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var onRead = function(details) {
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if ( details.error ) {
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return;
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}
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cachedUserFilters = details.content.trim();
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$('#userFilters').val(details.content);
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};
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messaging.ask({ what: 'readUserFilters' }, onRead);
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}
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/******************************************************************************/
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function allFiltersApplyHandler() {
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messaging.tell({ what: 'reloadAllFilters' });
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$('#userFiltersApply').attr('disabled', true );
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}
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/******************************************************************************/
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function appendToUserFiltersFromFile() {
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var input = $('<input />').attr({
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type: 'file',
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accept: 'text/plain'
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});
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var fileReaderOnLoadHandler = function() {
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var textarea = $('#userFilters');
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textarea.val(textarea.val() + '\n' + this.result);
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userFiltersChanged();
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};
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var filePickerOnChangeHandler = function() {
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$(this).off('change', filePickerOnChangeHandler);
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var file = this.files[0];
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if ( !file ) {
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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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input.off('change', filePickerOnChangeHandler);
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};
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input.on('change', filePickerOnChangeHandler);
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input.trigger('click');
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}
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/******************************************************************************/
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function exportUserFiltersToFile() {
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chrome.downloads.download({
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'url': 'data:text/plain,' + encodeURIComponent($('#userFilters').val()),
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'filename': 'my-ublock-filters.txt',
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'saveAs': true
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});
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}
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/******************************************************************************/
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function userFiltersApplyHandler() {
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var onWritten = function(details) {
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if ( details.error ) {
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return;
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}
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cachedUserFilters = details.content.trim();
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userFiltersChanged();
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allFiltersApplyHandler();
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};
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var request = {
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what: 'writeUserFilters',
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content: $('#userFilters').val()
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};
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messaging.ask(request, onWritten);
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}
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/******************************************************************************/
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$(function() {
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// Handle user interaction
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$('#importUserFiltersFromFile').on('click', appendToUserFiltersFromFile);
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$('#exportUserFiltersToFile').on('click', exportUserFiltersToFile);
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$('#userFilters').on('input propertychange', userFiltersChanged);
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$('#userFiltersApply').on('click', userFiltersApplyHandler);
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renderUserFilters();
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});
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/******************************************************************************/
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})();
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