From 400c51ccd9e98bf428a93a9677a162f947e03061 Mon Sep 17 00:00:00 2001 From: gorhill Date: Mon, 9 Mar 2015 13:07:08 -0400 Subject: [PATCH] handler for "abp:subscribe?" links --- src/js/subscriber.js | 127 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 127 insertions(+) create mode 100644 src/js/subscriber.js diff --git a/src/js/subscriber.js b/src/js/subscriber.js new file mode 100644 index 000000000..ba97d7deb --- /dev/null +++ b/src/js/subscriber.js @@ -0,0 +1,127 @@ +/******************************************************************************* + + µBlock - a browser extension to block requests. + Copyright (C) 2015 Raymond Hill + + This program 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. + + This program 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 this program. If not, see {http://www.gnu.org/licenses/}. + + Home: https://github.com/gorhill/uBlock +*/ + +/* global vAPI, HTMLDocument */ + +/******************************************************************************/ + +// Injected into specific web pages, those which have been pre-selected +// because they are known to contains `abp:subscribe` links. + +/******************************************************************************/ + +(function() { + +'use strict'; + +/******************************************************************************/ + +// https://github.com/gorhill/uBlock/issues/464 +if ( document instanceof HTMLDocument === false ) { + //console.debug('contentscript-start.js > not a HTLMDocument'); + return false; +} + +// Because in case +if ( !vAPI ) { + //console.debug('contentscript-start.js > vAPI not found'); + return; +} + +/******************************************************************************/ + +// Only if at least one relevant link exists on the page +// The links look like this: +// abp:subscribe?location=https://easylist-downloads.adblockplus.org/easyprivacy.txt[...] + +if ( document.querySelector('[href^="abp:subscribe?"]') === null ) { + return; +} + +/******************************************************************************/ + +var messager = vAPI.messaging.channel('subscriber.js'); + +/******************************************************************************/ + +var onAbpLinkClicked = function(ev) { + var receiver = event.target; + if ( receiver === null ) { + return; + } + if ( receiver.tagName.toLowerCase() !== 'a' ) { + return; + } + var href = receiver.getAttribute('href') || ''; + if ( href === '' ) { + return; + } + var matches = /^abp:subscribe\?location=([^&]+).*title=([^&]+)/.exec(href); + if ( matches === null ) { + return; + } + var location = decodeURIComponent(matches[1]); + var title = decodeURIComponent(matches[2]); + + ev.stopPropagation(); + ev.preventDefault(); + + var onExternalListsSaved = function() { + messager.send({ + what: 'reloadAllFilters', + switches: [ { location: location, off: false } ], + update: false + }); + }; + + var onSubscriberDataReady = function(details) { + var confirmStr = details.confirmStr + .replace('{{url}}', location) + .replace('{{title}}', title); + if ( !window.confirm(confirmStr) ) { + return; + } + + // List already subscribed to? + var externalLists = details.externalLists.trim().split(/\s+/); + if ( externalLists.indexOf(location) !== -1 ) { + return; + } + + externalLists.push(location); + + messager.send({ + what: 'userSettings', + name: 'externalLists', + value: externalLists.join('\n') + }, onExternalListsSaved); + }; + + messager.send({ what: 'subscriberData' }, onSubscriberDataReady); +}; + +document.addEventListener('click', onAbpLinkClicked, true); + +/******************************************************************************/ + +})(); + +/******************************************************************************/