OLD | NEW |
(Empty) | |
| 1 /* |
| 2 * This file is part of Adblock Plus <http://adblockplus.org/>, |
| 3 * Copyright (C) 2006-2014 Eyeo GmbH |
| 4 * |
| 5 * Adblock Plus is free software: you can redistribute it and/or modify |
| 6 * it under the terms of the GNU General Public License version 3 as |
| 7 * published by the Free Software Foundation. |
| 8 * |
| 9 * Adblock Plus is distributed in the hope that it will be useful, |
| 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 * GNU General Public License for more details. |
| 13 * |
| 14 * You should have received a copy of the GNU General Public License |
| 15 * along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>. |
| 16 */ |
| 17 |
| 18 let {defaultMatcher} = require("matcher"); |
| 19 let {WhitelistFilter} = require("filterClasses"); |
| 20 |
| 21 let pagesWithKeyException = new ext.PageMap(); |
| 22 |
| 23 let isWhitelisted = exports.isWhitelisted = function(url, parentUrl, type) |
| 24 { |
| 25 let filter = defaultMatcher.matchesAny( |
| 26 stripFragmentFromURL(url), |
| 27 type || "DOCUMENT", |
| 28 extractHostFromURL(parentUrl || url), |
| 29 false |
| 30 ); |
| 31 |
| 32 return (filter instanceof WhitelistFilter ? filter : null); |
| 33 }; |
| 34 |
| 35 let isFrameWhitelisted = exports.isFrameWhitelisted = function(page, frame, type
) |
| 36 { |
| 37 let urlsWithKeyException = pagesWithKeyException.get(page); |
| 38 |
| 39 for (; frame != null; frame = frame.parent) |
| 40 { |
| 41 if (urlsWithKeyException && stripFragmentFromURL(frame.url) in urlsWithKeyEx
ception) |
| 42 return true; |
| 43 if (isWhitelisted(frame.url, (frame.parent || {}).url, type)) |
| 44 return true; |
| 45 } |
| 46 |
| 47 return false; |
| 48 }; |
| 49 |
| 50 let verifyKeyException = function(token, url, docDomain) |
| 51 { |
| 52 let match = token.match(/((.*?)=*)_(.*)/); |
| 53 if (!match) |
| 54 return false; // invalid format |
| 55 |
| 56 let strippedKey = match[2]; |
| 57 if (!defaultMatcher.matchesByKey(url, strippedKey, docDomain)) |
| 58 return false; // unknown key |
| 59 |
| 60 let uri = new URI(url); |
| 61 let params = [ |
| 62 uri.path, // REQUEST_URI |
| 63 uri.asciiHost + (uri.port != -1 ? ":" + uri.port : ""), // HTTP_HOST |
| 64 window.navigator.userAgent // HTTP_USER_AGENT |
| 65 ]; |
| 66 |
| 67 let key = match[1]; |
| 68 let signature = match[3]; |
| 69 return verifySignature(key, signature, params.join("\0")); |
| 70 }; |
| 71 |
| 72 let recordKeyException = function(page, url) |
| 73 { |
| 74 let urlsWithKeyException = pagesWithKeyException.get(page); |
| 75 |
| 76 if (!urlsWithKeyException) |
| 77 { |
| 78 urlsWithKeyException = {__proto__: null}; |
| 79 pagesWithKeyException.set(page, urlsWithKeyException); |
| 80 } |
| 81 |
| 82 urlsWithKeyException[url] = null; |
| 83 }; |
| 84 |
| 85 let processKeyException = exports.processKeyException = function(token, page, fr
ame) |
| 86 { |
| 87 let url = stripFragmentFromURL(frame.url); |
| 88 let docDomain = extractHostFromURL((frame.parent || frame).url); |
| 89 |
| 90 if (verifyKeyException(token, url, docDomain)) |
| 91 recordKeyException(page, url); |
| 92 }; |
OLD | NEW |