pjs/extensions/cookie/nsCookieHTTPNotify.cpp

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9.1 KiB
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/* -*- Mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape 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/NPL/
*
* 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 mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* 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 NPL, 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 NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifdef DEBUG_dp
#include <stdio.h>
#endif
#include "nsCookieService.h" /* don't remove -- needed for mac build */
#include "nsCookieHTTPNotify.h"
#include "nsIGenericFactory.h"
#include "nsIHttpChannel.h"
#include "nsCookie.h"
#include "nsIURL.h"
#include "nsCRT.h"
#include "nsLiteralString.h"
#include "nsString.h"
#include "nsIServiceManager.h"
#include "nsINetModuleMgr.h"
#include "nsILoadGroup.h"
#include "nsICategoryManager.h"
#include "nsIHttpProtocolHandler.h" // for NS_HTTP_STARTUP_CATEGORY
#include "nsIInterfaceRequestor.h"
#include "nsIInterfaceRequestorUtils.h"
#include "nsIPrompt.h"
// we want to explore making the document own the load group
// so we can associate the document URI with the load group.
// until this point, we have an evil hack:
#include "nsIHttpChannelInternal.h"
static NS_DEFINE_CID(kINetModuleMgrCID, NS_NETMODULEMGR_CID);
///////////////////////////////////
// nsISupports
NS_IMPL_ISUPPORTS2(nsCookieHTTPNotify, nsIHttpNotify, nsINetNotify);
///////////////////////////////////
// nsCookieHTTPNotify Implementation
NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsCookieHTTPNotify, Init)
nsresult nsCookieHTTPNotify::Create(nsISupports *aOuter, REFNSIID aIID, void **aResult)
{
return nsCookieHTTPNotifyConstructor(aOuter, aIID, aResult);
}
NS_METHOD nsCookieHTTPNotify::RegisterProc(nsIComponentManager *aCompMgr,
nsIFile *aPath,
const char *registryLocation,
const char *componentType,
const nsModuleComponentInfo *info)
{
// Register ourselves into the NS_CATEGORY_HTTP_STARTUP
nsresult rv;
nsCOMPtr<nsICategoryManager> catman = do_GetService(NS_CATEGORYMANAGER_CONTRACTID, &rv);
if (NS_FAILED(rv)) return rv;
nsXPIDLCString prevEntry;
rv = catman->AddCategoryEntry(NS_HTTP_STARTUP_CATEGORY, "Http Cookie Notify", NS_COOKIEHTTPNOTIFY_CONTRACTID,
PR_TRUE, PR_TRUE, getter_Copies(prevEntry));
return NS_OK;
}
NS_METHOD nsCookieHTTPNotify::UnregisterProc(nsIComponentManager *aCompMgr,
nsIFile *aPath,
const char *registryLocation,
const nsModuleComponentInfo *info)
{
nsresult rv;
nsCOMPtr<nsICategoryManager> catman = do_GetService(NS_CATEGORYMANAGER_CONTRACTID, &rv);
if (NS_FAILED(rv)) return rv;
rv = catman->DeleteCategoryEntry(NS_HTTP_STARTUP_CATEGORY,
NS_COOKIEHTTPNOTIFY_CONTRACTID, PR_TRUE);
// Return value is not used from this function.
return NS_OK;
}
NS_IMETHODIMP
nsCookieHTTPNotify::Init()
{
// Register to handing http requests and responses
nsresult rv = NS_OK;
nsCOMPtr<nsINetModuleMgr> pNetModuleMgr = do_GetService(kINetModuleMgrCID, &rv);
if (NS_FAILED(rv)) return rv;
rv = pNetModuleMgr->RegisterModule(NS_NETWORK_MODULE_MANAGER_HTTP_REQUEST_CONTRACTID,
(nsIHttpNotify *)this);
if (NS_FAILED(rv)) return rv;
rv = pNetModuleMgr->RegisterModule(NS_NETWORK_MODULE_MANAGER_HTTP_RESPONSE_CONTRACTID,
(nsIHttpNotify *)this);
return rv;
}
nsCookieHTTPNotify::nsCookieHTTPNotify()
{
mCookieService = nsnull;
#ifdef DEBUG_dp
printf("CookieHTTPNotify Created.\n");
#endif /* DEBUG_dp */
}
nsCookieHTTPNotify::~nsCookieHTTPNotify()
{
}
NS_IMETHODIMP
nsCookieHTTPNotify::SetupCookieService()
{
nsresult rv = NS_OK;
if (!mCookieService)
{
mCookieService = do_GetService(NS_COOKIESERVICE_CONTRACTID, &rv);
}
return rv;
}
///////////////////////////////////
// nsIHttpNotify
NS_IMETHODIMP
nsCookieHTTPNotify::OnModifyRequest(nsIHttpChannel *aHttpChannel)
{
nsresult rv;
// Preconditions
NS_ENSURE_ARG_POINTER(aHttpChannel);
// Get the url
nsCOMPtr<nsIURI> pURL;
rv = aHttpChannel->GetURI(getter_AddRefs(pURL));
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIHttpChannelInternal> httpInternal = do_QueryInterface(aHttpChannel);
NS_ENSURE_TRUE(httpInternal, NS_ERROR_UNEXPECTED);
// Get the original url that the user either typed in or clicked on
nsCOMPtr<nsIURI> pFirstURL;
rv = httpInternal->GetDocumentURI(getter_AddRefs(pFirstURL));
if (NS_FAILED(rv)) return rv;
if (!pFirstURL) {
rv = aHttpChannel->GetOriginalURI(getter_AddRefs(pFirstURL));
if (NS_FAILED(rv)) return rv;
}
// Ensure that the cookie service exists
rv = SetupCookieService();
if (NS_FAILED(rv)) return rv;
// Get the cookies
char * cookie;
rv = mCookieService->GetCookieStringFromHttp(pURL, pFirstURL, aHttpChannel, &cookie);
if (NS_FAILED(rv)) return rv;
const char *headerVal = "";
if (cookie && *cookie)
headerVal = cookie;
// Set the cookie into the request headers overwriting any existing header.
rv = aHttpChannel->SetRequestHeader(NS_LITERAL_CSTRING("Cookie"),
nsDependentCString(headerVal),
PR_FALSE);
nsMemory::Free((void *)cookie);
return rv;
}
NS_IMETHODIMP
nsCookieHTTPNotify::OnExamineResponse(nsIHttpChannel *aHttpChannel)
{
nsresult rv;
// Preconditions
NS_ENSURE_ARG_POINTER(aHttpChannel);
// Get the Cookie header
nsCAutoString cookieHeader;
rv = aHttpChannel->GetResponseHeader(NS_LITERAL_CSTRING("Set-Cookie"), cookieHeader);
if (NS_FAILED(rv)) return rv;
if (cookieHeader.IsEmpty()) return NS_OK; // not an error, there's just no header.
// Get the url
nsCOMPtr<nsIURI> pURL;
rv = aHttpChannel->GetURI(getter_AddRefs(pURL));
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIHttpChannelInternal> httpInternal = do_QueryInterface(aHttpChannel);
NS_ENSURE_TRUE(httpInternal, NS_ERROR_UNEXPECTED);
// Get the original url that the user either typed in or clicked on
nsCOMPtr<nsIURI> pFirstURL;
rv = httpInternal->GetDocumentURI(getter_AddRefs(pFirstURL));
if (NS_FAILED(rv)) return rv;
// Get the prompter
nsCOMPtr<nsILoadGroup> pLoadGroup;
rv = aHttpChannel->GetLoadGroup(getter_AddRefs(pLoadGroup));
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIChannel> pChannel;
if (pLoadGroup) {
nsCOMPtr<nsIRequest> pRequest;
rv = pLoadGroup->GetDefaultLoadRequest(getter_AddRefs(pRequest));
if (NS_FAILED(rv)) return rv;
pChannel = do_QueryInterface(pRequest);
}
nsCOMPtr<nsIInterfaceRequestor> pInterfaces;
nsCOMPtr<nsIPrompt> pPrompter;
if (pChannel) {
pChannel->GetNotificationCallbacks(getter_AddRefs(pInterfaces));
} else {
aHttpChannel->GetNotificationCallbacks(getter_AddRefs(pInterfaces));
}
if (pInterfaces)
pInterfaces->GetInterface(NS_GET_IID(nsIPrompt), getter_AddRefs(pPrompter));
// Get the expires
nsCAutoString dateHeader;
rv = aHttpChannel->GetResponseHeader(NS_LITERAL_CSTRING("Date"), dateHeader);
// NS_ERROR_NOT_AVAILABLE is not a fatal error, other errors are
if (NS_FAILED(rv) && rv != NS_ERROR_NOT_AVAILABLE) return rv;
// Ensure that we have the cookie service
rv = SetupCookieService();
if (NS_FAILED(rv)) return rv;
// Save the cookie
rv = mCookieService->SetCookieStringFromHttp(pURL, pFirstURL, pPrompter, cookieHeader.get(), dateHeader.get(), aHttpChannel);
return rv;
}