pjs/extensions/cookie/nsCookiePermission.cpp

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4.4 KiB
C++

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is cookie manager code.
*
* The Initial Developer of the Original Code is
* Michiel van Leeuwen (mvl@exedo.nl).
* Portions created by the Initial Developer are Copyright (C) 2003
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsCookiePermission.h"
#include "nsICookie.h"
#include "nsIServiceManager.h"
#include "nsICookiePromptService.h"
#include "nsIDOMWindow.h"
#include "nsIURI.h"
#include "nsString.h"
/****************************************************************
************************ nsCookiePermission ********************
****************************************************************/
static const PRBool kDefaultPolicy = PR_TRUE;
NS_IMPL_ISUPPORTS1(nsCookiePermission, nsICookiePermission)
NS_IMETHODIMP
nsCookiePermission::TestPermission(nsIURI *aURI,
nsICookie *aCookie,
nsIDOMWindow *aParent,
PRInt32 aCookiesFromHost,
PRBool aChangingCookie,
PRBool aShowDialog,
PRBool *aPermission)
{
NS_ASSERTION(aURI, "could not get uri");
*aPermission = kDefaultPolicy;
nsresult rv;
if (!mPermMgr) {
mPermMgr = do_GetService(NS_PERMISSIONMANAGER_CONTRACTID, &rv);
if (NS_FAILED(rv)) return rv;
}
PRUint32 listPermission;
mPermMgr->TestPermission(aURI, "cookie", &listPermission);
if (listPermission == nsIPermissionManager::DENY_ACTION) {
*aPermission = PR_FALSE;
} else if (listPermission == nsIPermissionManager::ALLOW_ACTION) {
*aPermission = PR_TRUE;
} else if (aShowDialog) {
// check whether the user wants to be prompted. we only do this if the
// permissionlist lookup returned UNKNOWN_ACTION (i.e., no permissionlist
// entry exists for this host).
NS_ASSERTION(listPermission == nsIPermissionManager::UNKNOWN_ACTION,
"unknown permission");
// default to rejecting, in case the prompting process fails
*aPermission = PR_FALSE;
nsCAutoString hostPort;
aURI->GetHostPort(hostPort);
if (!aCookie || hostPort.IsEmpty()) {
return NS_ERROR_UNEXPECTED;
}
// we don't cache the cookiePromptService - it's not used often, so not
// worth the memory.
nsCOMPtr<nsICookiePromptService> cookiePromptService =
do_GetService(NS_COOKIEPROMPTSERVICE_CONTRACTID, &rv);
if (NS_FAILED(rv)) return rv;
PRBool rememberDecision = PR_FALSE;
rv = cookiePromptService->CookieDialog(nsnull, aCookie, hostPort,
aCookiesFromHost, aChangingCookie,
&rememberDecision, aPermission);
if (NS_FAILED(rv)) return rv;
if (rememberDecision) {
mPermMgr->Add(aURI, "cookie",
*aPermission ? (PRUint32) nsIPermissionManager::ALLOW_ACTION
: (PRUint32) nsIPermissionManager::DENY_ACTION);
}
}
return NS_OK;
}