1 files changed, 0 insertions, 415 deletions
diff --git a/data/extensions/spyblock@gnu.org/lib/contentPolicy.js b/data/extensions/spyblock@gnu.org/lib/contentPolicy.js
deleted file mode 100644
index ad36655..0000000
--- a/data/extensions/spyblock@gnu.org/lib/contentPolicy.js
+++ /dev/null
@@ -1,415 +0,0 @@
-/*
- * This file is part of Adblock Plus <https://adblockplus.org/>,
- * Copyright (C) 2006-2017 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/>.
- */
-
-/**
- * @fileOverview Content policy implementation, responsible for blocking things.
- */
-
-"use strict";
-
-let {XPCOMUtils} = Cu.import("resource://gre/modules/XPCOMUtils.jsm", {});
-let {Services} = Cu.import("resource://gre/modules/Services.jsm", {});
-
-let {Utils} = require("utils");
-let {port} = require("messaging");
-let {Prefs} = require("prefs");
-let {FilterStorage} = require("filterStorage");
-let {BlockingFilter, WhitelistFilter, RegExpFilter} = require("filterClasses");
-let {defaultMatcher} = require("matcher");
-
-/**
- * Public policy checking functions and auxiliary objects
- * @class
- */
-var Policy = exports.Policy =
-{
-  /**
-   * Map of content types reported by Firefox to the respecitve content types
-   * used by Adblock Plus. Other content types are simply mapped to OTHER.
-   * @type Map.<string,string>
-   */
-  contentTypes: new Map(function* ()
-  {
-    // Treat navigator.sendBeacon() the same as <a ping>,
-    // it's essentially the same concept - merely generalized.
-    yield ["BEACON", "PING"];
-
-    // Treat <img srcset> and <picture> the same as other images.
-    yield ["IMAGESET", "IMAGE"];
-
-    // Treat fetch() the same as XMLHttpRequest,
-    // it's essentially the same - merely a more modern API.
-    yield ["FETCH", "XMLHTTPREQUEST"];
-
-    // Everything else is mapped to itself
-    for (let contentType of ["OTHER", "SCRIPT", "IMAGE", "STYLESHEET", "OBJECT",
-                             "SUBDOCUMENT", "DOCUMENT", "XMLHTTPREQUEST",
-                             "OBJECT_SUBREQUEST", "FONT", "MEDIA", "PING",
-                             "WEBSOCKET", "ELEMHIDE", "POPUP", "GENERICHIDE",
-                             "GENERICBLOCK"])
-      yield [contentType, contentType];
-  }()),
-
-  /**
-   * Set of content types that aren't associated with a visual document area
-   * @type Set.<string>
-   */
-  nonVisualTypes: new Set([
-    "SCRIPT", "STYLESHEET", "XMLHTTPREQUEST", "OBJECT_SUBREQUEST", "FONT",
-    "PING", "WEBSOCKET", "ELEMHIDE", "POPUP", "GENERICHIDE", "GENERICBLOCK"
-  ]),
-
-  /**
-   * Map containing all schemes that should be ignored by content policy.
-   * @type Set.<string>
-   */
-  whitelistSchemes: new Set(),
-
-  /**
-   * Called on module startup, initializes various exported properties.
-   */
-  init: function()
-  {
-    // whitelisted URL schemes
-    for (let scheme of Prefs.whitelistschemes.toLowerCase().split(" "))
-      this.whitelistSchemes.add(scheme);
-
-    port.on("shouldAllow", (message, sender) => this.shouldAllow(message));
-
-    // Generate class identifier used to collapse nodes and register
-    // corresponding stylesheet.
-    let collapsedClass = "";
-    let offset = "a".charCodeAt(0);
-    for (let i = 0; i < 20; i++)
-      collapsedClass +=  String.fromCharCode(offset + Math.random() * 26);
-    port.on("getCollapsedClass", (message, sender) => collapsedClass);
-
-    let collapseStyle = Services.io.newURI("data:text/css," +
-        encodeURIComponent("." + collapsedClass +
-        "{-moz-binding: url(chrome://global/content/bindings/general.xml#foobarbazdummy) !important;}"), null, null);
-    Utils.styleService.loadAndRegisterSheet(collapseStyle, Ci.nsIStyleSheetService.USER_SHEET);
-    onShutdown.add(() =>
-    {
-      Utils.styleService.unregisterSheet(collapseStyle, Ci.nsIStyleSheetService.USER_SHEET);
-    });
-  },
-
-  /**
-   * Checks whether a node should be blocked, hides it if necessary
-   * @param {Object} data  request data
-   * @param {String} data.contentType
-   * @param {String} data.location  location of the request
-   * @param {Object[]} data.frames
-   * @param {Boolean} data.isPrivate  true if the request belongs to a private browsing window
-   * @return {Object} An object containing properties allow, collapse and hits
-   *                  indicating how this request should be handled.
-   */
-  shouldAllow: function({contentType, location, frames, isPrivate})
-  {
-    let hits = [];
-
-    function addHit(frameIndex, contentType, docDomain, thirdParty, location, filter)
-    {
-      if (filter && !isPrivate)
-        FilterStorage.increaseHitCount(filter);
-      hits.push({
-        frameIndex, contentType, docDomain, thirdParty, location,
-        filter: filter ? filter.text : null,
-        filterType: filter ? filter.type : null
-      });
-    }
-
-    function response(allow, collapse)
-    {
-      return {allow, collapse, hits};
-    }
-
-    // Ignore whitelisted schemes
-    if (contentType != "POPUP" && !this.isBlockableScheme(location))
-      return response(true, false);
-
-    // Interpret unknown types as "other"
-    contentType = this.contentTypes.get(contentType) || "OTHER";
-
-    let nogeneric = false;
-    if (Prefs.enabled)
-    {
-      let whitelistHit =
-          this.isFrameWhitelisted(frames, false);
-      if (whitelistHit)
-      {
-        let [frameIndex, matchType, docDomain, thirdParty, location, filter] = whitelistHit;
-        addHit(frameIndex, matchType, docDomain, thirdParty, location, filter);
-        if (matchType == "DOCUMENT")
-          return response(true, false);
-        else
-          nogeneric = true;
-      }
-    }
-
-    let match = null;
-    let wndLocation = frames[0].location;
-    let docDomain = getHostname(wndLocation);
-    let [sitekey, sitekeyFrame] = getSitekey(frames);
-
-    let thirdParty = isThirdParty(location, docDomain);
-    let collapse = false;
-
-    if (!match && Prefs.enabled && RegExpFilter.typeMap.hasOwnProperty(contentType))
-    {
-      match = defaultMatcher.matchesAny(location, RegExpFilter.typeMap[contentType],
-                                        docDomain, thirdParty, sitekey, nogeneric, isPrivate);
-      if (match instanceof BlockingFilter && !this.nonVisualTypes.has(contentType))
-        collapse = (match.collapse != null ? match.collapse : !Prefs.fastcollapse);
-    }
-    addHit(null, contentType, docDomain, thirdParty, location, match);
-
-    return response(!match || match instanceof WhitelistFilter, collapse);
-  },
-
-  /**
-   * Checks whether the location's scheme is blockable.
-   * @param location  {nsIURI|String}
-   * @return {Boolean}
-   */
-  isBlockableScheme: function(location)
-  {
-    let scheme;
-    if (typeof location == "string")
-    {
-      let match = /^([\w\-]+):/.exec(location);
-      scheme = match ? match[1] : null;
-    }
-    else
-      scheme = location.scheme;
-    return !this.whitelistSchemes.has(scheme);
-  },
-
-  /**
-   * Checks whether a top-level window is whitelisted.
-   * @param {String} url
-   *    URL of the document loaded into the window
-   * @return {?WhitelistFilter}
-   *    exception rule that matched the URL if any
-   */
-  isWhitelisted: function(url)
-  {
-    if (!url)
-      return null;
-
-    // Do not apply exception rules to schemes on our whitelistschemes list.
-    if (!this.isBlockableScheme(url))
-      return null;
-
-    // Ignore fragment identifier
-    let index = url.indexOf("#");
-    if (index >= 0)
-      url = url.substring(0, index);
-
-    let result = defaultMatcher.matchesAny(url, RegExpFilter.typeMap.DOCUMENT,
-        getHostname(url), false, null);
-    return (result instanceof WhitelistFilter ? result : null);
-  },
-
-  /**
-   * Checks whether a frame is whitelisted.
-   * @param {Array} frames
-   *    frame structure as returned by getFrames() in child/utils module.
-   * @param {boolean} isElemHide
-   *    true if element hiding whitelisting should be considered
-   * @return {?Array}
-   *    An array with the hit parameters: frameIndex, contentType, docDomain,
-   *    thirdParty, location, filter. Note that the filter could be a
-   *    genericblock/generichide exception rule. If nothing matched null is
-   *    returned.
-   */
-  isFrameWhitelisted: function(frames, isElemHide)
-  {
-    let [sitekey, sitekeyFrame] = getSitekey(frames);
-    let nogenericHit = null;
-
-    let typeMap = RegExpFilter.typeMap.DOCUMENT;
-    if (isElemHide)
-      typeMap = typeMap | RegExpFilter.typeMap.ELEMHIDE;
-    let genericType = (isElemHide ? "GENERICHIDE" : "GENERICBLOCK");
-
-    for (let i = 0; i < frames.length; i++)
-    {
-      let frame = frames[i];
-      let wndLocation = frame.location;
-      let parentWndLocation = frames[Math.min(i + 1, frames.length - 1)].location;
-      let parentDocDomain = getHostname(parentWndLocation);
-
-      let match = defaultMatcher.matchesAny(wndLocation, typeMap, parentDocDomain, false, sitekey);
-      if (match instanceof WhitelistFilter)
-      {
-        let whitelistType = (match.contentType & RegExpFilter.typeMap.DOCUMENT) ? "DOCUMENT" : "ELEMHIDE";
-        return [i, whitelistType, parentDocDomain, false, wndLocation, match];
-      }
-
-      if (!nogenericHit)
-      {
-        match = defaultMatcher.matchesAny(wndLocation,
-            RegExpFilter.typeMap[genericType], parentDocDomain, false, sitekey);
-        if (match instanceof WhitelistFilter)
-          nogenericHit = [i, genericType, parentDocDomain, false, wndLocation, match];
-      }
-
-      if (frame == sitekeyFrame)
-        [sitekey, sitekeyFrame] = getSitekey(frames.slice(i + 1));
-    }
-
-    return nogenericHit;
-  },
-
-  /**
-   * Deletes nodes that were previously stored with a
-   * RequestNotifier.storeNodesForEntries() call or similar.
-   * @param {string} id  unique ID of the nodes
-   */
-  deleteNodes: function(id)
-  {
-    port.emit("deleteNodes", id);
-  },
-
-  /**
-   * Asynchronously re-checks filters for nodes given by an ID previously
-   * returned by a RequestNotifier.storeNodesForEntries() call or similar.
-   * @param {string} id  unique ID of the nodes
-   * @param {RequestEntry} entry
-   */
-  refilterNodes: function(id, entry)
-  {
-    port.emit("refilterNodes", {
-      nodesID: id,
-      entry: entry
-    });
-  }
-};
-Policy.init();
-
-/**
- * Extracts the hostname from a URL (might return null).
- */
-function getHostname(/**String*/ url) /**String*/
-{
-  try
-  {
-    return Utils.unwrapURL(url).host;
-  }
-  catch(e)
-  {
-    return null;
-  }
-}
-
-/**
- * Retrieves and validates the sitekey for a frame structure.
- */
-function getSitekey(frames)
-{
-  for (let frame of frames)
-  {
-    if (frame.sitekey && frame.sitekey.indexOf("_") >= 0)
-    {
-      let [key, signature] = frame.sitekey.split("_", 2);
-      key = key.replace(/=/g, "");
-
-      // Website specifies a key but is the signature valid?
-      let uri = Services.io.newURI(frame.location, null, null);
-      let host = uri.asciiHost;
-      if (uri.port > 0)
-        host += ":" + uri.port;
-      let params = [
-        uri.path.replace(/#.*/, ""),  // REQUEST_URI
-        host,                         // HTTP_HOST
-        Utils.httpProtocol.userAgent  // HTTP_USER_AGENT
-      ];
-      if (Utils.verifySignature(key, signature, params.join("\0")))
-        return [key, frame];
-    }
-  }
-
-  return [null, null];
-}
-
-/**
- * Retrieves the location of a window.
- * @param wnd {nsIDOMWindow}
- * @return {String} window location or null on failure
- */
-function getWindowLocation(wnd)
-{
-  if ("name" in wnd && wnd.name == "messagepane")
-  {
-    // Thunderbird branch
-    try
-    {
-      let mailWnd = wnd.QueryInterface(Ci.nsIInterfaceRequestor)
-                       .getInterface(Ci.nsIWebNavigation)
-                       .QueryInterface(Ci.nsIDocShellTreeItem)
-                       .rootTreeItem
-                       .QueryInterface(Ci.nsIInterfaceRequestor)
-                       .getInterface(Ci.nsIDOMWindow);
-
-      // Typically we get a wrapped mail window here, need to unwrap
-      try
-      {
-        mailWnd = mailWnd.wrappedJSObject;
-      } catch(e) {}
-
-      if ("currentHeaderData" in mailWnd && "content-base" in mailWnd.currentHeaderData)
-      {
-        return mailWnd.currentHeaderData["content-base"].headerValue;
-      }
-      else if ("currentHeaderData" in mailWnd && "from" in mailWnd.currentHeaderData)
-      {
-        let emailAddress = Utils.headerParser.extractHeaderAddressMailboxes(mailWnd.currentHeaderData.from.headerValue);
-        if (emailAddress)
-          return 'mailto:' + emailAddress.replace(/^[\s"]+/, "").replace(/[\s"]+$/, "").replace(/\s/g, '%20');
-      }
-    } catch(e) {}
-  }
-
-  // Firefox branch
-  return wnd.location.href;
-}
-
-/**
- * Checks whether the location's origin is different from document's origin.
- */
-function isThirdParty(/**String*/location, /**String*/ docDomain) /**Boolean*/
-{
-  if (!location || !docDomain)
-    return true;
-
-  let uri = Utils.makeURI(location);
-  try
-  {
-    return Utils.effectiveTLD.getBaseDomain(uri) != Utils.effectiveTLD.getBaseDomainFromHost(docDomain);
-  }
-  catch (e)
-  {
-    // EffectiveTLDService throws on IP addresses, just compare the host name
-    let host = "";
-    try
-    {
-      host = uri.host;
-    } catch (e) {}
-    return host != docDomain;
-  }
-}