Rietveld Code Review Tool
Help | Bug tracker | Discussion group | Source code

Unified Diff: lib/whitelisting.js

Issue 5088751004942336: Issue 370 - Right-clicked element is removed independent of created filter (Closed)
Patch Set: Rebase to rev 3c9cea80c481 Created July 18, 2014, 8:54 a.m.
Use n/p to move between diff chunks; N/P to move between comments.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « lib/websql/io.js ('k') | metadata.chrome » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: lib/whitelisting.js
===================================================================
new file mode 100644
--- /dev/null
+++ b/lib/whitelisting.js
@@ -0,0 +1,92 @@
+/*
+ * This file is part of Adblock Plus <http://adblockplus.org/>,
+ * Copyright (C) 2006-2014 Eyeo GmbH
+ *
+ * Adblock Plus is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * Adblock Plus 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 Adblock Plus. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+let {defaultMatcher} = require("matcher");
+let {WhitelistFilter} = require("filterClasses");
+
+let pagesWithKeyException = new ext.PageMap();
+
+let isWhitelisted = exports.isWhitelisted = function(url, parentUrl, type)
+{
+ let filter = defaultMatcher.matchesAny(
+ stripFragmentFromURL(url),
+ type || "DOCUMENT",
+ extractHostFromURL(parentUrl || url),
+ false
+ );
+
+ return (filter instanceof WhitelistFilter ? filter : null);
+};
+
+let isFrameWhitelisted = exports.isFrameWhitelisted = function(page, frame, type)
+{
+ let urlsWithKeyException = pagesWithKeyException.get(page);
+
+ for (; frame != null; frame = frame.parent)
+ {
+ if (urlsWithKeyException && stripFragmentFromURL(frame.url) in urlsWithKeyException)
+ return true;
+ if (isWhitelisted(frame.url, (frame.parent || {}).url, type))
+ return true;
+ }
+
+ return false;
+};
+
+let verifyKeyException = function(token, url, docDomain)
+{
+ let match = token.match(/((.*?)=*)_(.*)/);
+ if (!match)
+ return false; // invalid format
+
+ let strippedKey = match[2];
+ if (!defaultMatcher.matchesByKey(url, strippedKey, docDomain))
+ return false; // unknown key
+
+ let uri = new URI(url);
+ let params = [
+ uri.path, // REQUEST_URI
+ uri.asciiHost + (uri.port != -1 ? ":" + uri.port : ""), // HTTP_HOST
+ window.navigator.userAgent // HTTP_USER_AGENT
+ ];
+
+ let key = match[1];
+ let signature = match[3];
+ return verifySignature(key, signature, params.join("\0"));
+};
+
+let recordKeyException = function(page, url)
+{
+ let urlsWithKeyException = pagesWithKeyException.get(page);
+
+ if (!urlsWithKeyException)
+ {
+ urlsWithKeyException = {__proto__: null};
+ pagesWithKeyException.set(page, urlsWithKeyException);
+ }
+
+ urlsWithKeyException[url] = null;
+};
+
+let processKeyException = exports.processKeyException = function(token, page, frame)
+{
+ let url = stripFragmentFromURL(frame.url);
+ let docDomain = extractHostFromURL((frame.parent || frame).url);
+
+ if (verifyKeyException(token, url, docDomain))
+ recordKeyException(page, url);
+};
« no previous file with comments | « lib/websql/io.js ('k') | metadata.chrome » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld