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pjs/extensions/cookie/nsPermissionManager.cpp

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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):
* Michiel van Leeuwen (mvl@exedo.nl)
*
* 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 ***** */
#include "nsPermissionManager.h"
#include "nsPermission.h"
#include "nsCRT.h"
#include "nsNetUtil.h"
#include "nsILineInputStream.h"
#include "nsAppDirectoryServiceDefs.h"
#include "prprf.h"
////////////////////////////////////////////////////////////////////////////////
// XXX how do we choose this number?
#define PL_ARENA_CONST_ALIGN_MASK 3
#include "plarena.h"
static PLArenaPool *gHostArena = nsnull;
// making sHostArena 512b for nice allocation
// growing is quite cheap
#define HOST_ARENA_SIZE 512
// equivalent to strdup() - does no error checking,
// we're assuming we're only called with a valid pointer
static char *
ArenaStrDup(const char* str, PLArenaPool* aArena)
{
void* mem;
const PRUint32 size = strlen(str) + 1;
PL_ARENA_ALLOCATE(mem, aArena, size);
if (mem)
memcpy(mem, str, size);
return NS_STATIC_CAST(char*, mem);
}
nsHostEntry::nsHostEntry(const char* aHost)
{
mHost = ArenaStrDup(aHost, gHostArena);
}
nsHostEntry::nsHostEntry(const nsHostEntry& toCopy)
{
mHost = ArenaStrDup(toCopy.mHost, gHostArena);
}
////////////////////////////////////////////////////////////////////////////////
class nsPermissionEnumerator : public nsISimpleEnumerator
{
public:
NS_DECL_ISUPPORTS
nsPermissionEnumerator(const nsTHashtable<nsHostEntry> *aHostTable,
const char* *aHostList,
const PRUint32 aHostCount,
const char* *aTypeArray)
: mHostCount(aHostCount),
mHostIndex(0),
mTypeIndex(0),
mHostTable(aHostTable),
mHostList(aHostList),
mTypeArray(aTypeArray)
{
Prefetch();
}
NS_IMETHOD HasMoreElements(PRBool *aResult)
{
*aResult = (mNextPermission != nsnull);
return NS_OK;
}
NS_IMETHOD GetNext(nsISupports **aResult)
{
*aResult = mNextPermission;
if (!mNextPermission)
return NS_ERROR_FAILURE;
NS_ADDREF(*aResult);
Prefetch();
return NS_OK;
}
virtual ~nsPermissionEnumerator()
{
delete[] mHostList;
}
protected:
void Prefetch();
PRInt32 mHostCount;
PRInt32 mHostIndex;
PRInt32 mTypeIndex;
const nsTHashtable<nsHostEntry> *mHostTable;
const char* *mHostList;
nsCOMPtr<nsIPermission> mNextPermission;
const char* *mTypeArray;
};
NS_IMPL_ISUPPORTS1(nsPermissionEnumerator, nsISimpleEnumerator)
// Sets mNextPermission to a new nsIPermission on success,
// to nsnull when no new permissions are present.
void
nsPermissionEnumerator::Prefetch()
{
// init to null, so we know when we've prefetched something
mNextPermission = nsnull;
// check we have something more to get
PRUint32 permission;
while (mHostIndex < mHostCount && !mNextPermission) {
// loop over the types to find it
nsHostEntry *entry = mHostTable->GetEntry(mHostList[mHostIndex]);
if (entry) {
// see if we've found it
permission = entry->GetPermission(mTypeIndex);
if (permission != nsIPermissionManager::UNKNOWN_ACTION) {
mNextPermission = new nsPermission(entry->GetHost(),
nsDependentCString(mTypeArray[mTypeIndex]),
permission);
}
}
// increment mTypeIndex/mHostIndex as required
++mTypeIndex;
if (mTypeIndex == NUMBER_OF_TYPES) {
mTypeIndex = 0;
++mHostIndex;
}
}
}
////////////////////////////////////////////////////////////////////////////////
// nsPermissionManager Implementation
static const char kPermissionsFileName[] = "cookperm.txt";
static const char kPermissionChangeNotification[] = PERM_CHANGE_NOTIFICATION;
NS_IMPL_ISUPPORTS3(nsPermissionManager, nsIPermissionManager, nsIObserver, nsISupportsWeakReference)
nsPermissionManager::nsPermissionManager()
: mHostCount(0)
{
}
nsPermissionManager::~nsPermissionManager()
{
RemoveTypeStrings();
RemoveAllFromMemory();
}
nsresult nsPermissionManager::Init()
{
nsresult rv;
if (!mHostTable.Init()) {
return NS_ERROR_OUT_OF_MEMORY;
}
// Cache the permissions file
rv = NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR, getter_AddRefs(mPermissionsFile));
if (NS_SUCCEEDED(rv)) {
rv = mPermissionsFile->AppendNative(NS_LITERAL_CSTRING(kPermissionsFileName));
}
// Clear the array of type strings
memset(mTypeArray, nsnull, sizeof(mTypeArray));
// Ignore an error. That is not a problem. No cookperm.txt usually.
Read();
mObserverService = do_GetService("@mozilla.org/observer-service;1", &rv);
if (NS_SUCCEEDED(rv)) {
mObserverService->AddObserver(this, "profile-before-change", PR_TRUE);
mObserverService->AddObserver(this, "profile-do-change", PR_TRUE);
}
return NS_OK;
}
NS_IMETHODIMP
nsPermissionManager::Add(nsIURI *aURI,
const char *aType,
PRUint32 aPermission)
{
NS_ASSERTION(aURI, "could not get uri");
NS_ENSURE_ARG_POINTER(aType);
nsresult rv;
nsCAutoString hostPort;
aURI->GetHostPort(hostPort);
if (hostPort.IsEmpty()) {
// Nothing to add
return NS_OK;
}
PRInt32 typeIndex = GetTypeIndex(aType, PR_TRUE);
if (typeIndex == -1 || aPermission >= NUMBER_OF_PERMISSIONS)
return NS_ERROR_FAILURE;
rv = AddInternal(hostPort, typeIndex, aPermission);
if (NS_FAILED(rv)) return rv;
// Notify permission manager dialog to update its display
//
// This used to be conditional, but now we use AddInternal
// for cases when no notification is needed
NotifyObservers(hostPort);
mChangedList = PR_TRUE;
Write();
return NS_OK;
}
// This only adds a permission to memory (it doesn't save to disk), and doesn't
// bounds check aTypeIndex or aPermission. These are up to the caller.
nsresult
nsPermissionManager::AddInternal(const nsAFlatCString &aHost,
PRInt32 aTypeIndex,
PRUint32 aPermission)
{
if (!gHostArena) {
gHostArena = new PLArenaPool;
if (!gHostArena)
return NS_ERROR_OUT_OF_MEMORY;
PL_INIT_ARENA_POOL(gHostArena, "PermissionHostArena", HOST_ARENA_SIZE);
}
// When an entry already exists, AddEntry will return that, instead
// of adding a new one
nsHostEntry *entry = mHostTable.PutEntry(aHost.get());
if (!entry) return NS_ERROR_FAILURE;
if (entry->PermissionsAreEmpty()) {
++mHostCount;
}
entry->SetPermission(aTypeIndex, aPermission);
return NS_OK;
}
NS_IMETHODIMP
nsPermissionManager::Remove(const nsACString &aHost,
const char *aType)
{
NS_ENSURE_ARG_POINTER(aType);
PRInt32 typeIndex = GetTypeIndex(aType, PR_FALSE);
// If type == -1, the type isn't known,
// so just return NS_OK
if (typeIndex == -1) return NS_OK;
nsHostEntry* entry = mHostTable.GetEntry(PromiseFlatCString(aHost).get());
if (entry) {
entry->SetPermission(typeIndex, nsIPermissionManager::UNKNOWN_ACTION);
// If no more types are present, remove the entry
if (entry->PermissionsAreEmpty()) {
mHostTable.RawRemoveEntry(entry);
--mHostCount;
}
mChangedList = PR_TRUE;
Write();
// Notify Observers
NotifyObservers(aHost);
}
return NS_OK;
}
NS_IMETHODIMP
nsPermissionManager::RemoveAll()
{
RemoveAllFromMemory();
Write();
return NS_OK;
}
NS_IMETHODIMP
nsPermissionManager::TestPermission(nsIURI *aURI,
const char *aType,
PRUint32 *aPermission)
{
NS_ASSERTION(aURI, "could not get uri");
NS_ASSERTION(aPermission, "no permission pointer");
NS_ENSURE_ARG_POINTER(aType);
// set the default
*aPermission = nsIPermissionManager::UNKNOWN_ACTION;
nsCAutoString hostPort;
aURI->GetHostPort(hostPort);
// Don't error on no host. Just return UNKNOWN_ACTION as permission.
if (hostPort.IsEmpty()) {
return NS_OK;
}
PRInt32 typeIndex = GetTypeIndex(aType, PR_FALSE);
// If type == -1, the type isn't known,
// so just return NS_OK
if (typeIndex == -1) return NS_OK;
PRUint32 offset = 0;
do {
nsHostEntry *entry = mHostTable.GetEntry(hostPort.get() + offset);
if (entry) {
*aPermission = entry->GetPermission(typeIndex);
if (*aPermission != nsIPermissionManager::UNKNOWN_ACTION)
break;
}
offset = hostPort.FindChar('.', offset) + 1;
// walk up the domaintree (we stop as soon as we find a match,
// which will be the most specific domain we have an entry for).
// this is new behavior; we only used to do this for popups.
// see bug 176950.
} while (offset > 0);
return NS_OK;
}
// A little helper function to add the hostname to the list.
// The hostname comes from an arena, and so it won't go away
PR_STATIC_CALLBACK(PLDHashOperator)
AddHostToList(nsHostEntry *entry, void *arg)
{
// arg is a double-ptr to an string entry in the hostList array,
// so we dereference it twice to assign the |const char*| string
// and once so we can increment the |const char**| array location
// ready for the next assignment.
const char*** elementPtr = NS_STATIC_CAST(const char***, arg);
**elementPtr = entry->GetKey();
++(*elementPtr);
return PL_DHASH_NEXT;
}
NS_IMETHODIMP nsPermissionManager::GetEnumerator(nsISimpleEnumerator **aEnum)
{
*aEnum = nsnull;
// get the host list, to hand to the enumerator.
// the enumerator takes ownership of the list.
// create a new host list. enumerator takes ownership of it.
const char* *hostList = new const char*[mHostCount];
if (!hostList) return NS_ERROR_OUT_OF_MEMORY;
// Make a copy of the pointer, so we can increase it without loosing
// the original pointer
const char** hostListCopy = hostList;
mHostTable.EnumerateEntries(AddHostToList, &hostListCopy);
nsPermissionEnumerator* permissionEnum = new nsPermissionEnumerator(&mHostTable, hostList, mHostCount, NS_CONST_CAST(const char**, mTypeArray));
if (!permissionEnum) {
return NS_ERROR_OUT_OF_MEMORY;
}
NS_ADDREF(permissionEnum);
*aEnum = permissionEnum;
return NS_OK;
}
NS_IMETHODIMP nsPermissionManager::Observe(nsISupports *aSubject, const char *aTopic, const PRUnichar *someData)
{
nsresult rv = NS_OK;
if (!nsCRT::strcmp(aTopic, "profile-before-change")) {
// The profile is about to change.
// Dump current permission. This will be done by calling
// RemoveAllFromMemory which clears the memory-resident
// permission table. The reason the permission file does not
// need to be updated is because the file was updated every time
// the memory-resident table changed (i.e., whenever a new permission
// was accepted). If this condition ever changes, the permission
// file would need to be updated here.
RemoveTypeStrings();
RemoveAllFromMemory();
if (!nsCRT::strcmp(someData, NS_LITERAL_STRING("shutdown-cleanse").get()))
if (mPermissionsFile) {
mPermissionsFile->Remove(PR_FALSE);
}
}
else if (!nsCRT::strcmp(aTopic, "profile-do-change")) {
// The profile has aleady changed.
// Now just read them from the new profile location.
// Re-get the permissions file
rv = NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR, getter_AddRefs(mPermissionsFile));
if (NS_SUCCEEDED(rv)) {
rv = mPermissionsFile->AppendNative(NS_LITERAL_CSTRING(kPermissionsFileName));
}
Read();
}
return rv;
}
//*****************************************************************************
//*** nsPermissionManager private methods
//*****************************************************************************
nsresult
nsPermissionManager::RemoveAllFromMemory()
{
mHostTable.Clear();
mHostCount = 0;
if (gHostArena) {
PL_FinishArenaPool(gHostArena);
delete gHostArena;
}
gHostArena = nsnull;
mChangedList = PR_TRUE;
return NS_OK;
}
void
nsPermissionManager::RemoveTypeStrings()
{
for (PRUint32 i = NUMBER_OF_TYPES; i--; ) {
if (mTypeArray[i]) {
PL_strfree(mTypeArray[i]);
mTypeArray[i] = nsnull;
}
}
}
// Returns -1 on failure
PRInt32
nsPermissionManager::GetTypeIndex(const char *aType,
PRBool aAdd)
{
PRInt32 firstEmpty = -1;
for (PRUint32 i = 0; i < NUMBER_OF_TYPES; ++i) {
if (!mTypeArray[i]) {
if (firstEmpty == -1)
// Don't break, the type might be later in the array
firstEmpty = i;
} else if (!strcmp(aType, mTypeArray[i])) {
return i;
}
}
if (!aAdd || firstEmpty == -1)
// Not found, but that is ok - we were just looking.
// Or, no free spots left - error.
return -1;
// This type was not registered before.
// Can't use ToNewCString here, other strings in the array are allocated
// with PL_strdup too, and they all need to be freed the same way
mTypeArray[firstEmpty] = PL_strdup(aType);
if (!mTypeArray[firstEmpty])
return -1;
return firstEmpty;
}
// broadcast a notification that a permission has changed
nsresult
nsPermissionManager::NotifyObservers(const nsACString &aHost)
{
if (mObserverService) {
return mObserverService->NotifyObservers(NS_STATIC_CAST(nsIPermissionManager *, this),
kPermissionChangeNotification,
NS_ConvertUTF8toUCS2(aHost).get());
}
return NS_ERROR_FAILURE;
}
// Note:
// We don't do checkbox states here anymore.
// When a consumer wants it back, that is up to the consumer, not this backend
// For cookies, it is now done with a persist in the dialog xul file.
static const char kTab = '\t';
static const char kNew = '\n';
static const char kTrue = 'T';
static const char kFalse = 'F';
static const char kFirstLetter = 'a';
static const char kTypeSign = '%';
nsresult
nsPermissionManager::Read()
{
nsresult rv;
if (!mPermissionsFile) {
// For backwards compatibility, add those types when not yet set.
mTypeArray[0] = PL_strdup("cookie");
mTypeArray[1] = PL_strdup("image");
mTypeArray[2] = PL_strdup("popup");
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIInputStream> fileInputStream;
rv = NS_NewLocalFileInputStream(getter_AddRefs(fileInputStream), mPermissionsFile);
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsILineInputStream> lineInputStream = do_QueryInterface(fileInputStream, &rv);
if (NS_FAILED(rv)) return rv;
/* format is:
* host \t number permission \t number permission ... \n
* if this format isn't respected we move onto the next line in the file.
* permission is T or F for accept or deny, otherwise a lowercase letter,
* with a=0, b=1 etc
*/
nsAutoString bufferUnicode;
nsCAutoString buffer;
nsASingleFragmentCString::char_iterator iter;
PRBool isMore = PR_TRUE;
while (isMore && NS_SUCCEEDED(lineInputStream->ReadLine(bufferUnicode, &isMore))) {
CopyUCS2toASCII(bufferUnicode, buffer);
if (buffer.IsEmpty() || buffer.First() == '#') {
continue;
}
if (buffer.First() == kTypeSign) {
// A permission string line
PRInt32 stringIndex;
if ((stringIndex = buffer.FindChar(kTab) + 1) == 0) {
continue;
}
PRUint32 type;
if (!PR_sscanf(buffer.get() + 1, "%u", &type) || type >= NUMBER_OF_TYPES) {
continue;
}
// Older versions of mozilla can't parse the permission string lines.
// They will put them back like '%0 0F' instead of '%0 cookie'
// Ignore those lines, and revert to the defaults later.
// XXX This means that when the user has additional types besides the
// default, those will be lost after using an old version with the
// new profile, and then going back to a new version.
if (!PL_strcmp(buffer.get() + stringIndex, "0F"))
continue;
NS_ASSERTION(GetTypeIndex(buffer.get() + stringIndex, PR_FALSE) == -1, "Corrupt cookperm.txt file");
mTypeArray[type] = PL_strdup(buffer.get() + stringIndex);
continue;
}
PRInt32 hostIndex, permissionIndex;
PRUint32 nextPermissionIndex = 0;
hostIndex = 0;
if ((permissionIndex = buffer.FindChar('\t', hostIndex) + 1) == 0) {
continue;
}
// ignore leading periods in host name
while (hostIndex < permissionIndex && (buffer.CharAt(hostIndex) == '.')) {
++hostIndex;
}
// nullstomp the trailing tab, to get a flat string
buffer.BeginWriting(iter);
*(iter += permissionIndex - 1) = char(0);
nsDependentCString host(buffer.get() + hostIndex, iter);
for (;;) {
if (nextPermissionIndex == buffer.Length()+1) {
break;
}
if ((nextPermissionIndex = buffer.FindChar(kTab, permissionIndex) + 1) == 0) {
nextPermissionIndex = buffer.Length()+1;
}
const nsASingleFragmentCString &permissionString = Substring(buffer, permissionIndex, nextPermissionIndex - permissionIndex - 1);
permissionIndex = nextPermissionIndex;
PRInt32 type = 0;
PRUint32 index = 0;
if (permissionString.IsEmpty()) {
continue; // empty permission entry -- should never happen
}
// Parse "2T"
char c = permissionString.CharAt(index);
while (index < permissionString.Length() && c >= '0' && c <= '9') {
type = 10*type + (c-'0');
c = permissionString.CharAt(++index);
}
if (index >= permissionString.Length()) {
continue; // bad format for this permission entry
}
PRUint32 permission;
if (permissionString.CharAt(index) == kTrue)
permission = nsIPermissionManager::ALLOW_ACTION;
else if (permissionString.CharAt(index) == kFalse)
permission = nsIPermissionManager::DENY_ACTION;
else
permission = permissionString.CharAt(index) - kFirstLetter;
// |permission| is unsigned, so no need to check for < 0
if (permission >= NUMBER_OF_PERMISSIONS)
continue;
// Ignore @@@ as host. Old style checkbox status
if (!permissionString.IsEmpty() && !host.Equals(NS_LITERAL_CSTRING("@@@@"))) {
rv = AddInternal(host, type, permission);
if (NS_FAILED(rv)) return rv;
}
}
}
// Old files, without the part that defines the types, assume 0 is cookie
// etc. So add those types, but make sure not to overwrite types from new
// style files.
GetTypeIndex("cookie", PR_TRUE);
GetTypeIndex("image", PR_TRUE);
GetTypeIndex("popup", PR_TRUE);
mChangedList = PR_FALSE;
return NS_OK;
}
// A helper function that adds the pointer to the entry to the list.
// This is not threadsafe, and only safe if the consumer does not
// modify the list. It is only used in Write() where we are sure
// that nothing else changes the list while we are saving.
PR_STATIC_CALLBACK(PLDHashOperator)
AddEntryToList(nsHostEntry *entry, void *arg)
{
// arg is a double-ptr to an entry in the hostList array,
// so we dereference it twice to assign the |nsHostEntry*|
// and once so we can increment the |nsHostEntry**| array location
// ready for the next assignment.
nsHostEntry*** elementPtr = NS_STATIC_CAST(nsHostEntry***, arg);
**elementPtr = entry;
++(*elementPtr);
return PL_DHASH_NEXT;
}
nsresult
nsPermissionManager::Write()
{
nsresult rv;
if (!mChangedList) {
return NS_OK;
}
if (!mPermissionsFile) {
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIOutputStream> fileOutputStream;
rv = NS_NewLocalFileOutputStream(getter_AddRefs(fileOutputStream), mPermissionsFile);
if (NS_FAILED(rv)) return rv;
// get a buffered output stream 4096 bytes big, to optimize writes
nsCOMPtr<nsIOutputStream> bufferedOutputStream;
rv = NS_NewBufferedOutputStream(getter_AddRefs(bufferedOutputStream), fileOutputStream, 4096);
if (NS_FAILED(rv)) return rv;
static const char kHeader[] =
"# HTTP Permission File\n"
"# http://www.netscape.com/newsref/std/cookie_spec.html\n"
"# This is a generated file! Do not edit.\n\n";
bufferedOutputStream->Write(kHeader, sizeof(kHeader) - 1, &rv);
// Write the type strings.
// Format: % index \t typestring \n
// (% sign is to distinguish type string lines from permission lines)
PRUint32 i;
for (i = 0; i < NUMBER_OF_TYPES; ++i) {
if (mTypeArray[i]) {
bufferedOutputStream->Write(&kTypeSign, 1, &rv);
char typeNumber[3];
PRUint32 len = PR_snprintf(typeNumber, sizeof(typeNumber), "%u", i);
bufferedOutputStream->Write(typeNumber, len, &rv);
bufferedOutputStream->Write(&kTab, 1, &rv);
bufferedOutputStream->Write(mTypeArray[i], strlen(mTypeArray[i]), &rv);
bufferedOutputStream->Write(&kNew, 1, &rv);
}
}
bufferedOutputStream->Write(&kNew, 1, &rv);
/* format shall be:
* host \t permission \t permission ... \n
*/
// create a new host list
nsHostEntry* *hostList = new nsHostEntry*[mHostCount];
if (!hostList) return NS_ERROR_OUT_OF_MEMORY;
// Make a copy of the pointer, so we can increase it without loosing
// the original pointer
nsHostEntry** hostListCopy = hostList;
mHostTable.EnumerateEntries(AddEntryToList, &hostListCopy);
for (i = 0; i < mHostCount; ++i) {
nsHostEntry *entry = NS_STATIC_CAST(nsHostEntry*, hostList[i]);
NS_ASSERTION(entry, "corrupt permission list");
bufferedOutputStream->Write(entry->GetHost().get(), entry->GetHost().Length(), &rv);
for (PRInt32 type = 0; type < NUMBER_OF_TYPES; ++type) {
PRUint32 permission = entry->GetPermission(type);
if (permission) {
bufferedOutputStream->Write(&kTab, 1, &rv);
char typeString[5];
PRUint32 len = PR_snprintf(typeString, sizeof(typeString), "%d", type);
bufferedOutputStream->Write(typeString, len, &rv);
if (permission == nsIPermissionManager::ALLOW_ACTION) {
bufferedOutputStream->Write(&kTrue, 1, &rv);
} else if (permission == nsIPermissionManager::DENY_ACTION) {
bufferedOutputStream->Write(&kFalse, 1, &rv);
} else {
char permString[2];
PR_snprintf(permString, sizeof(permString), "%c", kFirstLetter + permission);
bufferedOutputStream->Write(permString, 1, &rv);
}
}
}
bufferedOutputStream->Write(&kNew, 1, &rv);
}
delete[] hostList;
mChangedList = PR_FALSE;
return NS_OK;
}
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