LCOV - code coverage report
Current view: directory - js/xpconnect/wrappers - CrossOriginWrapper.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 41 22 53.7 %
Date: 2012-06-02 Functions: 13 6 46.2 %

       1                 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
       2                 :  * vim: set ts=4 sw=4 et tw=99 ft=cpp:
       3                 :  *
       4                 :  * ***** BEGIN LICENSE BLOCK *****
       5                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       6                 :  *
       7                 :  * The contents of this file are subject to the Mozilla Public License Version
       8                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       9                 :  * the License. You may obtain a copy of the License at
      10                 :  * http://www.mozilla.org/MPL/
      11                 :  *
      12                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      13                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      14                 :  * for the specific language governing rights and limitations under the
      15                 :  * License.
      16                 :  *
      17                 :  * The Original Code is mozilla.org code, released
      18                 :  * June 24, 2010.
      19                 :  *
      20                 :  * The Initial Developer of the Original Code is
      21                 :  *    The Mozilla Foundation
      22                 :  *
      23                 :  * Contributor(s):
      24                 :  *    Andreas Gal <gal@mozilla.com>
      25                 :  *
      26                 :  * Alternatively, the contents of this file may be used under the terms of
      27                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      28                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      29                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      30                 :  * of those above. If you wish to allow use of your version of this file only
      31                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      32                 :  * use your version of this file under the terms of the MPL, indicate your
      33                 :  * decision by deleting the provisions above and replace them with the notice
      34                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      35                 :  * the provisions above, a recipient may use your version of this file under
      36                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      37                 :  *
      38                 :  * ***** END LICENSE BLOCK ***** */
      39                 : 
      40                 : #include "nsJSPrincipals.h"
      41                 : 
      42                 : #include "XPCWrapper.h"
      43                 : 
      44                 : #include "CrossOriginWrapper.h"
      45                 : #include "AccessCheck.h"
      46                 : #include "WrapperFactory.h"
      47                 : 
      48                 : namespace xpc {
      49                 : 
      50            2928 : NoWaiverWrapper::NoWaiverWrapper(unsigned flags) : js::CrossCompartmentWrapper(flags)
      51                 : {
      52            2928 : }
      53                 : 
      54            2974 : NoWaiverWrapper::~NoWaiverWrapper()
      55                 : {
      56            5948 : }
      57                 : 
      58            1464 : CrossOriginWrapper::CrossOriginWrapper(unsigned flags) : NoWaiverWrapper(flags)
      59                 : {
      60            1464 : }
      61                 : 
      62            1487 : CrossOriginWrapper::~CrossOriginWrapper()
      63                 : {
      64            2974 : }
      65                 : 
      66                 : bool
      67               0 : CrossOriginWrapper::getPropertyDescriptor(JSContext *cx, JSObject *wrapper, jsid id,
      68                 :                                           bool set, js::PropertyDescriptor *desc)
      69                 : {
      70               0 :     return CrossCompartmentWrapper::getPropertyDescriptor(cx, wrapper, id, set, desc) &&
      71               0 :            WrapperFactory::WaiveXrayAndWrap(cx, &desc->value);
      72                 : }
      73                 : 
      74                 : bool
      75               0 : CrossOriginWrapper::getOwnPropertyDescriptor(JSContext *cx, JSObject *wrapper, jsid id,
      76                 :                                              bool set, js::PropertyDescriptor *desc)
      77                 : {
      78               0 :     return CrossCompartmentWrapper::getOwnPropertyDescriptor(cx, wrapper, id, set, desc) &&
      79               0 :            WrapperFactory::WaiveXrayAndWrap(cx, &desc->value);
      80                 : }
      81                 : 
      82                 : bool
      83               0 : CrossOriginWrapper::get(JSContext *cx, JSObject *wrapper, JSObject *receiver, jsid id,
      84                 :                         js::Value *vp)
      85                 : {
      86               0 :     return CrossCompartmentWrapper::get(cx, wrapper, receiver, id, vp) &&
      87               0 :            WrapperFactory::WaiveXrayAndWrap(cx, vp);
      88                 : }
      89                 : 
      90                 : bool
      91               0 : CrossOriginWrapper::call(JSContext *cx, JSObject *wrapper, unsigned argc, js::Value *vp)
      92                 : {
      93               0 :     return CrossCompartmentWrapper::call(cx, wrapper, argc, vp) &&
      94               0 :            WrapperFactory::WaiveXrayAndWrap(cx, vp);
      95                 : }
      96                 : 
      97                 : bool
      98               0 : CrossOriginWrapper::construct(JSContext *cx, JSObject *wrapper,
      99                 :                               unsigned argc, js::Value *argv, js::Value *rval)
     100                 : {
     101               0 :     return CrossCompartmentWrapper::construct(cx, wrapper, argc, argv, rval) &&
     102               0 :            WrapperFactory::WaiveXrayAndWrap(cx, rval);
     103                 : }
     104                 : 
     105                 : bool
     106             345 : NoWaiverWrapper::enter(JSContext *cx, JSObject *wrapper, jsid id, Action act, bool *bp)
     107                 : {
     108             345 :     *bp = true; // always allowed
     109             345 :     nsIScriptSecurityManager *ssm = XPCWrapper::GetSecurityManager();
     110             345 :     if (!ssm) {
     111               0 :         return true;
     112                 :     }
     113                 : 
     114                 :     // Note: By the time enter is called here, CrossCompartmentWrapper has
     115                 :     // already pushed the fake stack frame onto cx. Because of this, the frame
     116                 :     // that we're clamping is the one that we want (the one in our compartment).
     117             345 :     JSStackFrame *fp = NULL;
     118             345 :     nsIPrincipal *principal = GetCompartmentPrincipal(js::GetObjectCompartment(wrappedObject(wrapper)));
     119             345 :     nsresult rv = ssm->PushContextPrincipal(cx, JS_FrameIterator(cx, &fp), principal);
     120             345 :     if (NS_FAILED(rv)) {
     121               0 :         NS_WARNING("Not allowing call because we're out of memory");
     122               0 :         JS_ReportOutOfMemory(cx);
     123               0 :         return false;
     124                 :     }
     125             345 :     return true;
     126                 : }
     127                 : 
     128                 : void
     129             345 : NoWaiverWrapper::leave(JSContext *cx, JSObject *wrapper)
     130                 : {
     131             345 :     nsIScriptSecurityManager *ssm = XPCWrapper::GetSecurityManager();
     132             345 :     if (ssm) {
     133             345 :         ssm->PopContextPrincipal(cx);
     134                 :     }
     135             345 : }
     136                 : 
     137                 : }

Generated by: LCOV version 1.7