mirror of
https://github.com/gorhill/uBlock.git
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137 lines
4.2 KiB
JavaScript
137 lines
4.2 KiB
JavaScript
/*******************************************************************************
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µBlock - a browser extension to block requests.
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Copyright (C) 2015 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, HTMLDocument */
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/******************************************************************************/
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// Injected into specific web pages, those which have been pre-selected
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// because they are known to contains `abp:subscribe` links.
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/******************************************************************************/
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(function() {
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'use strict';
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/******************************************************************************/
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// https://github.com/chrisaljoudi/uBlock/issues/464
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if ( document instanceof HTMLDocument === false ) {
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//console.debug('subscriber.js > not a HTLMDocument');
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return;
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}
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// Because in case
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if ( !vAPI ) {
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//console.debug('subscriber.js > vAPI not found');
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return;
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}
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/******************************************************************************/
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// Only if at least one relevant link exists on the page
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// The links look like this:
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// abp:subscribe?location=https://easylist-downloads.adblockplus.org/easyprivacy.txt[...]
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if ( document.querySelector('a[href^="abp:"]') === null ) {
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return;
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}
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/******************************************************************************/
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var messager = vAPI.messaging.channel('subscriber.js');
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/******************************************************************************/
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var onAbpLinkClicked = function(ev) {
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if ( ev.button !== 0 ) {
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return;
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}
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var target = ev.target;
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var limit = 3;
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var href = '';
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do {
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if ( target instanceof HTMLAnchorElement ) {
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href = target.href;
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break;
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}
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target = target.parentNode;
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} while ( target && --limit );
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if ( href === '' ) {
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return;
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}
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var matches = /^abp:\/*subscribe\/*\?location=([^&]+).*title=([^&]+)/.exec(href);
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if ( matches === null ) {
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return;
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}
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var location = decodeURIComponent(matches[1]);
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var title = decodeURIComponent(matches[2]);
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ev.stopPropagation();
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ev.preventDefault();
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var onListsSelectionDone = function() {
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messager.send({ what: 'reloadAllFilters' });
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};
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var onExternalListsSaved = function() {
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messager.send({
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what: 'selectFilterLists',
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switches: [ { location: location, off: false } ]
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}, onListsSelectionDone);
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};
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var onSubscriberDataReady = function(details) {
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var confirmStr = details.confirmStr
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.replace('{{url}}', location)
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.replace('{{title}}', title);
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if ( !window.confirm(confirmStr) ) {
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return;
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}
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// List already subscribed to?
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// https://github.com/chrisaljoudi/uBlock/issues/1033
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// Split on line separators, not whitespaces.
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var externalLists = details.externalLists.trim().split(/\s*[\n\r]+\s*/);
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if ( externalLists.indexOf(location) !== -1 ) {
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return;
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}
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externalLists.push(location);
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messager.send({
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what: 'userSettings',
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name: 'externalLists',
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value: externalLists.join('\n')
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}, onExternalListsSaved);
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};
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messager.send({ what: 'subscriberData' }, onSubscriberDataReady);
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};
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document.addEventListener('click', onAbpLinkClicked, true);
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/******************************************************************************/
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})();
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/******************************************************************************/
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