Add m-esr52 at 52.6.0

1 files changed, 167 insertions, 0 deletions

diff --git a/netwerk/base/mozIThirdPartyUtil.idl b/netwerk/base/mozIThirdPartyUtil.idl
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+++ b/netwerk/base/mozIThirdPartyUtil.idl
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsISupports.idl"
+
+interface nsIURI;
+interface mozIDOMWindowProxy;
+interface nsIChannel;
+
+/**
+ * Utility functions for determining whether a given URI, channel, or window
+ * hierarchy is third party with respect to a known URI.
+ */
+[scriptable, uuid(fd82700e-ffb4-4932-b7d6-08f0b5697dda)]
+interface mozIThirdPartyUtil : nsISupports
+{
+  /**
+   * isThirdPartyURI
+   *
+   * Determine whether two URIs are third party with respect to each other.
+   * This is determined by computing the base domain for both URIs. If they can
+   * be determined, and the base domains match, the request is defined as first
+   * party. If it cannot be determined because one or both URIs do not have a
+   * base domain (for instance, in the case of IP addresses, host aliases such
+   * as 'localhost', or a file:// URI), an exact string comparison on host is
+   * performed.
+   *
+   * For example, the URI "http://mail.google.com/" is not third party with
+   * respect to "http://images.google.com/", but "http://mail.yahoo.com/" and
+   * "http://192.168.1.1/" are.
+   *
+   * @return true if aFirstURI is third party with respect to aSecondURI.
+   *
+   * @throws if either URI is null, has a malformed host, or has an empty host
+   *         and is not a file:// URI.
+   */
+  boolean isThirdPartyURI(in nsIURI aFirstURI, in nsIURI aSecondURI);
+
+  /**
+   * isThirdPartyWindow
+   *
+   * Determine whether the given window hierarchy is third party. This is done
+   * as follows:
+   *
+   * 1) Obtain the URI of the principal associated with 'aWindow'. Call this the
+   *    'bottom URI'.
+   * 2) If 'aURI' is provided, determine if it is third party with respect to
+   *    the bottom URI. If so, return.
+   * 3) Find the same-type parent window, if there is one, and its URI.
+   *    Determine whether it is third party with respect to the bottom URI. If
+   *    so, return.
+   *
+   * Therefore, each level in the window hierarchy is tested. (This means that
+   * nested iframes with different base domains, even though the bottommost and
+   * topmost URIs might be equal, will be considered third party.)
+   *
+   * @param aWindow
+   *        The bottommost window in the hierarchy.
+   * @param aURI
+   *        A URI to test against. If null, the URI of the principal
+   *        associated with 'aWindow' will be used.
+   *
+   * For example, if 'aURI' is "http://mail.google.com/", 'aWindow' has a URI
+   * of "http://google.com/", and its parent is the topmost content window with
+   * a URI of "http://mozilla.com", the result will be true.
+   *
+   * @return true if 'aURI' is third party with respect to any of the URIs
+   *         associated with aWindow and its same-type parents.
+   *
+   * @throws if aWindow is null; the same-type parent of any window in the
+   *         hierarchy cannot be determined; or the URI associated with any
+   *         window in the hierarchy is null, has a malformed host, or has an
+   *         empty host and is not a file:// URI.
+   *
+   * @see isThirdPartyURI
+   */
+  boolean isThirdPartyWindow(in mozIDOMWindowProxy aWindow, [optional] in nsIURI aURI);
+
+  /**
+   * isThirdPartyChannel
+   *
+   * Determine whether the given channel and its content window hierarchy is
+   * third party. This is done as follows:
+   *
+   * 1) If 'aChannel' is an nsIHttpChannel and has the
+   *    'forceAllowThirdPartyCookie' property set, then:
+   *    a) If 'aURI' is null, return false.
+   *    b) Otherwise, find the URI of the channel, determine whether it is
+   *       foreign with respect to 'aURI', and return.
+   * 2) Find the URI of the channel and determine whether it is third party with
+   *    respect to the URI of the channel. If so, return.
+   * 3) Obtain the bottommost nsIDOMWindow, and its same-type parent if it
+   *    exists, from the channel's notification callbacks. Then:
+   *    a) If the parent is the same as the bottommost window, and the channel
+   *       has the LOAD_DOCUMENT_URI flag set, return false. This represents the
+   *       case where a toplevel load is occurring and the window's URI has not
+   *       yet been updated. (We have already checked that 'aURI' is not foreign
+   *       with respect to the channel URI.)
+   *    b) Otherwise, return the result of isThirdPartyWindow with arguments
+   *       of the channel's bottommost window and the channel URI, respectively.
+   *
+   * Therefore, both the channel's URI and each level in the window hierarchy
+   * associated with the channel is tested.
+   *
+   * @param aChannel
+   *        The channel associated with the load.
+   * @param aURI
+   *        A URI to test against. If null, the URI of the channel will be used.
+   *
+   * For example, if 'aURI' is "http://mail.google.com/", 'aChannel' has a URI
+   * of "http://google.com/", and its parent is the topmost content window with
+   * a URI of "http://mozilla.com", the result will be true.
+   *
+   * @return true if aURI is third party with respect to the channel URI or any
+   *         of the URIs associated with the same-type window hierarchy of the
+   *         channel.
+   *
+   * @throws if 'aChannel' is null; the channel has no notification callbacks or
+   *         an associated window; or isThirdPartyWindow throws.
+   *
+   * @see isThirdPartyWindow
+   */
+  boolean isThirdPartyChannel(in nsIChannel aChannel, [optional] in nsIURI aURI);
+
+  /**
+   * getBaseDomain
+   *
+   * Get the base domain for aHostURI; e.g. for "www.bbc.co.uk", this would be
+   * "bbc.co.uk". Only properly-formed URI's are tolerated, though a trailing
+   * dot may be present. If aHostURI is an IP address, an alias such as
+   * 'localhost', an eTLD such as 'co.uk', or the empty string, aBaseDomain will
+   * be the exact host. The result of this function should only be used in exact
+   * string comparisons, since substring comparisons will not be valid for the
+   * special cases elided above.
+   *
+   * @param aHostURI
+   *        The URI to analyze.
+   *
+   * @return the base domain.
+   */
+  AUTF8String getBaseDomain(in nsIURI aHostURI);
+
+  /**
+   * getURIFromWindow
+   *
+   * Returns the URI associated with the script object principal for the
+   * window.
+   */
+  nsIURI getURIFromWindow(in mozIDOMWindowProxy aWindow);
+
+  /**
+   * getTopWindowForChannel
+   *
+   * Returns the top-level window associated with the given channel.
+   */
+  mozIDOMWindowProxy getTopWindowForChannel(in nsIChannel aChannel);
+};
+
+%{ C++
+/**
+ * The mozIThirdPartyUtil implementation is an XPCOM service registered
+ * under the ContractID:
+ */
+#define THIRDPARTYUTIL_CONTRACTID "@mozilla.org/thirdpartyutil;1"
+%}
+