pjs/extensions/cookie/nsCookieService.cpp

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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* 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.
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* Contributor(s):
*
*
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* 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
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#include "nsIServiceManager.h"
#include "nsCookieService.h"
#include "nsCookieHTTPNotify.h"
#include "nsCRT.h"
#include "nsCookies.h"
#include "nsIGenericFactory.h"
#include "nsXPIDLString.h"
#include "nsIScriptGlobalObject.h"
#include "nsIDOMWindowInternal.h"
#include "nsIPrompt.h"
#include "nsIObserverService.h"
#include "nsIObserver.h"
#include "nsIDocumentLoader.h"
#include "nsIWebProgress.h"
#include "nsCURILoader.h"
#include "nsNetCID.h"
#include "nsAppDirectoryServiceDefs.h"
#include "nsIHttpChannel.h"
#include "nsIHttpChannelInternal.h"
static NS_DEFINE_IID(kDocLoaderServiceCID, NS_DOCUMENTLOADER_SERVICE_CID);
static const PRUint32 kLazyWriteLoadingTimeout = 10000; //msec
static const PRUint32 kLazyWriteFinishedTimeout = 1000; //msec
// sadly, we need this multiple definition until everything is in one file
static const char kCookieFileName2[] = "cookies.txt";
////////////////////////////////////////////////////////////////////////////////
// nsCookieService Implementation
NS_IMPL_ISUPPORTS4(nsCookieService, nsICookieService,
nsIObserver, nsIWebProgressListener, nsISupportsWeakReference);
PRBool gCookieIconVisible = PR_FALSE;
nsCookieService::nsCookieService() :
mCookieFile(nsnull),
mObserverService(nsnull),
mLoadCount(0),
mWritePending(PR_FALSE)
{
gCookiePrefObserver = nsnull;
sCookieList = nsnull;
}
nsCookieService::~nsCookieService()
{
if (mWriteTimer)
mWriteTimer->Cancel();
// clean up memory
COOKIE_RemoveAll();
NS_IF_RELEASE(gCookiePrefObserver);
if (sCookieList) {
delete sCookieList;
}
}
nsresult nsCookieService::Init()
{
nsresult rv;
// install the main cookie pref observer (defined in nsCookieService.h)
// this will be integrated into nsCookieService when nsCookies is removed.
gCookiePrefObserver = new nsCookiePrefObserver();
// create sCookieList
sCookieList = new nsVoidArray();
// if we can't create them, return an error so do_GetService() fails
if (!gCookiePrefObserver || !sCookieList) {
return NS_ERROR_OUT_OF_MEMORY;
}
// init nsCookiePrefObserver, and fail if it can't get the prefbranch
NS_ADDREF(gCookiePrefObserver);
rv = gCookiePrefObserver->Init();
if (NS_FAILED(rv)) return rv;
// cache mCookieFile
rv = NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR, getter_AddRefs(mCookieFile));
if (NS_SUCCEEDED(rv)) {
rv = mCookieFile->AppendNative(NS_LITERAL_CSTRING(kCookieFileName2));
}
COOKIE_Read();
mObserverService = do_GetService("@mozilla.org/observer-service;1", &rv);
if (mObserverService) {
mObserverService->AddObserver(this, "profile-before-change", PR_TRUE);
mObserverService->AddObserver(this, "profile-do-change", PR_TRUE);
mObserverService->AddObserver(this, "cookieIcon", PR_TRUE);
}
// Register as an observer for the document loader
nsCOMPtr<nsIDocumentLoader> docLoaderService = do_GetService(kDocLoaderServiceCID, &rv);
if (NS_SUCCEEDED(rv) && docLoaderService) {
nsCOMPtr<nsIWebProgress> progress(do_QueryInterface(docLoaderService));
if (progress)
(void) progress->AddProgressListener((nsIWebProgressListener*)this,
nsIWebProgress::NOTIFY_STATE_DOCUMENT |
nsIWebProgress::NOTIFY_STATE_NETWORK);
} else {
NS_ERROR("Couldn't get nsIDocumentLoader");
}
return NS_OK;
}
void
nsCookieService::LazyWrite(PRBool aForce)
{
// !aForce resets the timer at load end, but only if a write is pending
if (!aForce && !mWritePending)
return;
PRUint32 timeout = mLoadCount > 0 ? kLazyWriteLoadingTimeout :
kLazyWriteFinishedTimeout;
if (mWriteTimer) {
mWriteTimer->SetDelay(timeout);
mWritePending = PR_TRUE;
} else {
mWriteTimer = do_CreateInstance("@mozilla.org/timer;1");
if (mWriteTimer) {
mWriteTimer->InitWithFuncCallback(DoLazyWrite, this, timeout,
nsITimer::TYPE_ONE_SHOT);
mWritePending = PR_TRUE;
}
}
}
void
nsCookieService::DoLazyWrite(nsITimer *aTimer, void *aClosure)
{
nsCookieService *service = NS_REINTERPRET_CAST(nsCookieService *, aClosure);
service->mWritePending = PR_FALSE;
COOKIE_Write();
}
// nsIWebProgressListener implementation
NS_IMETHODIMP
nsCookieService::OnProgressChange(nsIWebProgress *aProgress,
nsIRequest *aRequest,
PRInt32 curSelfProgress,
PRInt32 maxSelfProgress,
PRInt32 curTotalProgress,
PRInt32 maxTotalProgress)
{
NS_NOTREACHED("notification excluded in AddProgressListener(...)");
return NS_OK;
}
NS_IMETHODIMP
nsCookieService::OnStateChange(nsIWebProgress* aWebProgress,
nsIRequest *aRequest,
PRUint32 progressStateFlags,
nsresult aStatus)
{
if (progressStateFlags & STATE_IS_NETWORK) {
if (progressStateFlags & STATE_START)
++mLoadCount;
if (progressStateFlags & STATE_STOP) {
if (mLoadCount > 0) // needed because at startup we may miss initial STATE_START
--mLoadCount;
if (mLoadCount == 0)
LazyWrite(PR_FALSE);
}
}
if (mObserverService &&
(progressStateFlags & STATE_IS_DOCUMENT) &&
(progressStateFlags & STATE_STOP)) {
mObserverService->NotifyObservers(nsnull, "cookieChanged", NS_LITERAL_STRING("cookies").get());
}
return NS_OK;
}
/* void onLocationChange (in nsIURI location); */
NS_IMETHODIMP nsCookieService::OnLocationChange(nsIWebProgress* aWebProgress,
nsIRequest* aRequest,
nsIURI *location)
{
NS_NOTREACHED("notification excluded in AddProgressListener(...)");
return NS_OK;
}
NS_IMETHODIMP
nsCookieService::OnStatusChange(nsIWebProgress* aWebProgress,
nsIRequest* aRequest,
nsresult aStatus,
const PRUnichar* aMessage)
{
NS_NOTREACHED("notification excluded in AddProgressListener(...)");
return NS_OK;
}
NS_IMETHODIMP
nsCookieService::OnSecurityChange(nsIWebProgress *aWebProgress,
nsIRequest *aRequest,
PRUint32 state)
{
NS_NOTREACHED("notification excluded in AddProgressListener(...)");
return NS_OK;
}
NS_IMETHODIMP
nsCookieService::GetCookieString(nsIURI *aHostURI, char ** aCookie) {
*aCookie = COOKIE_GetCookie(aHostURI, nsnull);
return NS_OK;
}
NS_IMETHODIMP
nsCookieService::GetCookieStringFromHttp(nsIURI *aHostURI, nsIURI *aFirstURI, char ** aCookie) {
*aCookie = COOKIE_GetCookie(aHostURI, aFirstURI);
return NS_OK;
}
NS_IMETHODIMP
nsCookieService::SetCookieString(nsIURI *aHostURI, nsIPrompt *aPrompt, const char *aCookieHeader, nsIHttpChannel *aHttpChannel)
{
nsCOMPtr<nsIURI> firstURI;
if (aHttpChannel) {
nsCOMPtr<nsIHttpChannelInternal> httpInternal = do_QueryInterface(aHttpChannel);
if (!httpInternal ||
NS_FAILED(httpInternal->GetDocumentURI(getter_AddRefs(firstURI)))) {
COOKIE_LOGFAILURE(SET_COOKIE, aHostURI, aCookieHeader, "unable to determine first URI");
return NS_OK;
}
}
COOKIE_SetCookie(aHostURI, firstURI, aPrompt, aCookieHeader, nsnull, aHttpChannel);
LazyWrite(PR_TRUE);
return NS_OK;
}
NS_IMETHODIMP
nsCookieService::SetCookieStringFromHttp(nsIURI *aHostURI, nsIURI *aFirstURI, nsIPrompt *aPrompt, const char *aCookieHeader, const char *aServerTime, nsIHttpChannel* aHttpChannel)
{
nsCOMPtr<nsIURI> firstURI = aFirstURI;
if (!firstURI) {
firstURI = aHostURI;
}
COOKIE_SetCookie(aHostURI, firstURI, aPrompt, aCookieHeader, aServerTime, aHttpChannel);
LazyWrite(PR_TRUE);
return NS_OK;
}
NS_IMETHODIMP
nsCookieService::GetCookieIconIsVisible(PRBool *aIsVisible) {
*aIsVisible = gCookieIconVisible;
return NS_OK;
}
NS_IMETHODIMP nsCookieService::Observe(nsISupports *aSubject, const char *aTopic, const PRUnichar *aData)
{
if (!nsCRT::strcmp(aTopic, "profile-before-change")) {
// The profile is about to change,
// or is going away because the application is shutting down.
if (mWriteTimer)
mWriteTimer->Cancel();
if (!nsCRT::strcmp(aData, NS_LITERAL_STRING("shutdown-cleanse").get())) {
COOKIE_RemoveAll();
// delete the cookie file
if (mCookieFile) {
mCookieFile->Remove(PR_FALSE);
}
} else {
COOKIE_Write();
COOKIE_RemoveAll();
}
} else if (!nsCRT::strcmp(aTopic, "profile-do-change")) {
// The profile has already changed.
// Now just read them from the new profile location.
// we also need to update the cached cookie file location
nsresult rv;
rv = NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR, getter_AddRefs(mCookieFile));
if (NS_SUCCEEDED(rv)) {
rv = mCookieFile->AppendNative(NS_LITERAL_CSTRING(kCookieFileName2));
}
COOKIE_Read();
} else if (!nsCRT::strcmp(aTopic, "cookieIcon")) {
// this is an evil trick to avoid the blatant inefficiency of
// (!nsCRT::strcmp(aData, NS_LITERAL_STRING("on").get()))
gCookieIconVisible = (aData[0] == 'o' && aData[1] == 'n' && aData[2] == '\0');
}
return NS_OK;
}