The Tor Browser: toolkit/profile/nsToolkitProfileService.cpp@8bccb770b82d (annotated)

toolkit/profile/nsToolkitProfileService.cpp@8bccb770b82d (annotated)

toolkit/profile/nsToolkitProfileService.cpp

Wed, 31 Dec 2014 13:27:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 13:27:57 +0100
branch: TOR_BUG_3246
changeset 6: 8bccb770b82d
permissions: -rw-r--r--

Ignore runtime configuration files generated during quality assurance.

 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "mozilla/ArrayUtils.h"
 #include <stdio.h>
 #include <stdlib.h>
 #include <prprf.h>
 #include <prtime.h>
 #include "nsProfileLock.h"
 #ifdef XP_WIN
 #include <windows.h>
 #include <shlobj.h>
 #endif
 #ifdef XP_UNIX
 #include <unistd.h>
 #endif
 #include "nsIToolkitProfileService.h"
 #include "nsIToolkitProfile.h"
 #include "nsIFactory.h"
 #include "nsIFile.h"
 #include "nsISimpleEnumerator.h"
 #ifdef XP_MACOSX
 #include <CoreFoundation/CoreFoundation.h>
 #include "nsILocalFileMac.h"
 #endif
 #include "nsAppDirectoryServiceDefs.h"
 #include "nsXULAppAPI.h"
 #include "nsINIParser.h"
 #include "nsXREDirProvider.h"
 #include "nsAppRunner.h"
 #include "nsString.h"
 #include "nsReadableUtils.h"
 #include "nsNativeCharsetUtils.h"
 #include "mozilla/Attributes.h"
 using namespace mozilla;
 class nsToolkitProfile MOZ_FINAL : public nsIToolkitProfile
 {
 public:
     NS_DECL_ISUPPORTS
     NS_DECL_NSITOOLKITPROFILE
     friend class nsToolkitProfileService;
     nsRefPtr<nsToolkitProfile> mNext;
     nsToolkitProfile          *mPrev;
     ~nsToolkitProfile() { }
 private:
     nsToolkitProfile(const nsACString& aName,
                      nsIFile* aRootDir,
                      nsIFile* aLocalDir,
                      nsToolkitProfile* aPrev,
                      bool aForExternalApp);
     friend class nsToolkitProfileLock;
     nsCString                  mName;
     nsCOMPtr<nsIFile>          mRootDir;
     nsCOMPtr<nsIFile>          mLocalDir;
     nsIProfileLock*            mLock;
     bool                       mForExternalApp;
 };
 class nsToolkitProfileLock MOZ_FINAL : public nsIProfileLock
 {
 public:
     NS_DECL_ISUPPORTS
     NS_DECL_NSIPROFILELOCK
     nsresult Init(nsToolkitProfile* aProfile, nsIProfileUnlocker* *aUnlocker);
     nsresult Init(nsIFile* aDirectory, nsIFile* aLocalDirectory,
                   nsIProfileUnlocker* *aUnlocker);
     nsToolkitProfileLock() { }
     ~nsToolkitProfileLock();
 private:
     nsRefPtr<nsToolkitProfile> mProfile;
     nsCOMPtr<nsIFile> mDirectory;
     nsCOMPtr<nsIFile> mLocalDirectory;
     nsProfileLock mLock;
 };
 class nsToolkitProfileFactory MOZ_FINAL : public nsIFactory
 {
 public:
     NS_DECL_ISUPPORTS
     NS_DECL_NSIFACTORY
 };
 class nsToolkitProfileService MOZ_FINAL : public nsIToolkitProfileService
 {
 public:
     NS_DECL_ISUPPORTS
     NS_DECL_NSITOOLKITPROFILESERVICE
 private:
     friend class nsToolkitProfile;
     friend class nsToolkitProfileFactory;
     friend nsresult NS_NewToolkitProfileService(nsIToolkitProfileService**);
     nsToolkitProfileService() :
         mDirty(false),
         mStartWithLast(true),
         mStartOffline(false)
     {
         gService = this;
     }
     ~nsToolkitProfileService()
     {
         gService = nullptr;
     }
     NS_HIDDEN_(nsresult) Init();
     nsresult CreateTimesInternal(nsIFile *profileDir);
     nsresult CreateProfileInternal(nsIFile* aRootDir,
                                    const nsACString& aName,
                                    const nsACString* aProfileName,
                                    const nsACString* aAppName,
                                    const nsACString* aVendorName,
                                    /*in*/ nsIFile** aProfileDefaultsDir,
                                    bool aForExternalApp,
                                    nsIToolkitProfile** aResult);
     nsRefPtr<nsToolkitProfile>  mFirst;
     nsCOMPtr<nsIToolkitProfile> mChosen;
     nsCOMPtr<nsIFile>           mAppData;
     nsCOMPtr<nsIFile>           mTempData;
     nsCOMPtr<nsIFile>           mListFile;
     bool mDirty;
     bool mStartWithLast;
     bool mStartOffline;
     static nsToolkitProfileService *gService;
     class ProfileEnumerator MOZ_FINAL : public nsISimpleEnumerator
     {
     public:
         NS_DECL_ISUPPORTS
         NS_DECL_NSISIMPLEENUMERATOR
         ProfileEnumerator(nsToolkitProfile *first)
           { mCurrent = first; }
     private:
         ~ProfileEnumerator() { }
         nsRefPtr<nsToolkitProfile> mCurrent;
     };
 };
 nsToolkitProfile::nsToolkitProfile(const nsACString& aName,
                                    nsIFile* aRootDir,
                                    nsIFile* aLocalDir,
                                    nsToolkitProfile* aPrev,
                                    bool aForExternalApp) :
     mPrev(aPrev),
     mName(aName),
     mRootDir(aRootDir),
     mLocalDir(aLocalDir),
     mLock(nullptr),
     mForExternalApp(aForExternalApp)
 {
     NS_ASSERTION(aRootDir, "No file!");
     if (!aForExternalApp) {
         if (aPrev) {
             aPrev->mNext = this;
         } else {
             nsToolkitProfileService::gService->mFirst = this;
         }
     }
 }
 NS_IMPL_ISUPPORTS(nsToolkitProfile, nsIToolkitProfile)
 NS_IMETHODIMP
 nsToolkitProfile::GetRootDir(nsIFile* *aResult)
 {
     NS_ADDREF(*aResult = mRootDir);
     return NS_OK;
 }
 NS_IMETHODIMP
 nsToolkitProfile::GetLocalDir(nsIFile* *aResult)
 {
     NS_ADDREF(*aResult = mLocalDir);
     return NS_OK;
 }
 NS_IMETHODIMP
 nsToolkitProfile::GetName(nsACString& aResult)
 {
     aResult = mName;
     return NS_OK;
 }
 NS_IMETHODIMP
 nsToolkitProfile::SetName(const nsACString& aName)
 {
     NS_ASSERTION(nsToolkitProfileService::gService,
                  "Where did my service go?");
     NS_ENSURE_TRUE(!mForExternalApp, NS_ERROR_NOT_IMPLEMENTED);
     mName = aName;
     nsToolkitProfileService::gService->mDirty = true;
     return NS_OK;
 }
 NS_IMETHODIMP
 nsToolkitProfile::Remove(bool removeFiles)
 {
     NS_ASSERTION(nsToolkitProfileService::gService,
                  "Whoa, my service is gone.");
     NS_ENSURE_TRUE(!mForExternalApp, NS_ERROR_NOT_IMPLEMENTED);
     if (mLock)
         return NS_ERROR_FILE_IS_LOCKED;
     if (!mPrev && !mNext && nsToolkitProfileService::gService->mFirst != this)
         return NS_ERROR_NOT_INITIALIZED;
     if (removeFiles) {
         bool equals;
         nsresult rv = mRootDir->Equals(mLocalDir, &equals);
         if (NS_FAILED(rv))
             return rv;
         // The root dir might contain the temp dir, so remove
         // the temp dir first.
         if (!equals)
             mLocalDir->Remove(true);
         mRootDir->Remove(true);
     }
     if (mPrev)
         mPrev->mNext = mNext;
     else
         nsToolkitProfileService::gService->mFirst = mNext;
     if (mNext)
         mNext->mPrev = mPrev;
     mPrev = nullptr;
     mNext = nullptr;
     if (nsToolkitProfileService::gService->mChosen == this)
         nsToolkitProfileService::gService->mChosen = nullptr;
     nsToolkitProfileService::gService->mDirty = true;
     return NS_OK;
 }
 NS_IMETHODIMP
 nsToolkitProfile::Lock(nsIProfileUnlocker* *aUnlocker, nsIProfileLock* *aResult)
 {
     if (mLock) {
         NS_ADDREF(*aResult = mLock);
         return NS_OK;
     }
     nsRefPtr<nsToolkitProfileLock> lock = new nsToolkitProfileLock();
     if (!lock) return NS_ERROR_OUT_OF_MEMORY;
     nsresult rv = lock->Init(this, aUnlocker);
     if (NS_FAILED(rv)) return rv;
     NS_ADDREF(*aResult = lock);
     return NS_OK;
 }
 NS_IMPL_ISUPPORTS(nsToolkitProfileLock, nsIProfileLock)
 nsresult
 nsToolkitProfileLock::Init(nsToolkitProfile* aProfile, nsIProfileUnlocker* *aUnlocker)
 {
     nsresult rv;
     rv = Init(aProfile->mRootDir, aProfile->mLocalDir, aUnlocker);
     if (NS_SUCCEEDED(rv))
         mProfile = aProfile;
     return rv;
 }
 nsresult
 nsToolkitProfileLock::Init(nsIFile* aDirectory, nsIFile* aLocalDirectory,
                            nsIProfileUnlocker* *aUnlocker)
 {
     nsresult rv;
     rv = mLock.Lock(aDirectory, aUnlocker);
     if (NS_SUCCEEDED(rv)) {
         mDirectory = aDirectory;
         mLocalDirectory = aLocalDirectory;
     }
     return rv;
 }
 NS_IMETHODIMP
 nsToolkitProfileLock::GetDirectory(nsIFile* *aResult)
 {
     if (!mDirectory) {
         NS_ERROR("Not initialized, or unlocked!");
         return NS_ERROR_NOT_INITIALIZED;
     }
     NS_ADDREF(*aResult = mDirectory);
     return NS_OK;
 }
 NS_IMETHODIMP
 nsToolkitProfileLock::GetLocalDirectory(nsIFile* *aResult)
 {
     if (!mLocalDirectory) {
         NS_ERROR("Not initialized, or unlocked!");
         return NS_ERROR_NOT_INITIALIZED;
     }
     NS_ADDREF(*aResult = mLocalDirectory);
     return NS_OK;
 }
 NS_IMETHODIMP
 nsToolkitProfileLock::Unlock()
 {
     if (!mDirectory) {
         NS_ERROR("Unlocking a never-locked nsToolkitProfileLock!");
         return NS_ERROR_UNEXPECTED;
     }
     mLock.Unlock();
     if (mProfile) {
         mProfile->mLock = nullptr;
         mProfile = nullptr;
     }
     mDirectory = nullptr;
     mLocalDirectory = nullptr;
     return NS_OK;
 }
 NS_IMETHODIMP
 nsToolkitProfileLock::GetReplacedLockTime(PRTime *aResult)
 {
     mLock.GetReplacedLockTime(aResult);
     return NS_OK;
 }
 nsToolkitProfileLock::~nsToolkitProfileLock()
 {
     if (mDirectory) {
         Unlock();
     }
 }
 nsToolkitProfileService*
 nsToolkitProfileService::gService = nullptr;
 NS_IMPL_ISUPPORTS(nsToolkitProfileService,
                   nsIToolkitProfileService)
 nsresult
 nsToolkitProfileService::Init()
 {
     NS_ASSERTION(gDirServiceProvider, "No dirserviceprovider!");
     nsresult rv;
     rv = gDirServiceProvider->GetUserAppDataDirectory(getter_AddRefs(mAppData));
     NS_ENSURE_SUCCESS(rv, rv);
     rv = gDirServiceProvider->GetUserLocalDataDirectory(getter_AddRefs(mTempData));
     NS_ENSURE_SUCCESS(rv, rv);
     rv = mAppData->Clone(getter_AddRefs(mListFile));
     NS_ENSURE_SUCCESS(rv, rv);
     rv = mListFile->AppendNative(NS_LITERAL_CSTRING("profiles.ini"));
     NS_ENSURE_SUCCESS(rv, rv);
     bool exists;
     rv = mListFile->IsFile(&exists);
     if (NS_FAILED(rv) || !exists) {
         return NS_OK;
     }
     int64_t size;
     rv = mListFile->GetFileSize(&size);
     if (NS_FAILED(rv) || !size) {
         return NS_OK;
     }
     nsINIParser parser;
     rv = parser.Init(mListFile);
     // Init does not fail on parsing errors, only on OOM/really unexpected
     // conditions.
     if (NS_FAILED(rv))
         return rv;
     nsAutoCString buffer;
     rv = parser.GetString("General", "StartWithLastProfile", buffer);
     if (NS_SUCCEEDED(rv) && buffer.EqualsLiteral("0"))
         mStartWithLast = false;
     nsToolkitProfile* currentProfile = nullptr;
     unsigned int c = 0;
     for (c = 0; true; ++c) {
         nsAutoCString profileID("Profile");
         profileID.AppendInt(c);
         rv = parser.GetString(profileID.get(), "IsRelative", buffer);
         if (NS_FAILED(rv)) break;
         bool isRelative = buffer.EqualsLiteral("1");
         nsAutoCString filePath;
         rv = parser.GetString(profileID.get(), "Path", filePath);
         if (NS_FAILED(rv)) {
             NS_ERROR("Malformed profiles.ini: Path= not found");
             continue;
         }
         rv = parser.GetString(profileID.get(), "Name", buffer);
         if (NS_FAILED(rv)) {
             NS_ERROR("Malformed profiles.ini: Name= not found");
             continue;
         }
         nsCOMPtr<nsIFile> rootDir;
         rv = NS_NewNativeLocalFile(EmptyCString(), true,
                                    getter_AddRefs(rootDir));
         NS_ENSURE_SUCCESS(rv, rv);
         if (isRelative) {
             rv = rootDir->SetRelativeDescriptor(mAppData, filePath);
         } else {
             rv = rootDir->SetPersistentDescriptor(filePath);
         }
         if (NS_FAILED(rv)) continue;
         nsCOMPtr<nsIFile> localDir;
         if (isRelative) {
             rv = NS_NewNativeLocalFile(EmptyCString(), true,
                                        getter_AddRefs(localDir));
             NS_ENSURE_SUCCESS(rv, rv);
             rv = localDir->SetRelativeDescriptor(mTempData, filePath);
         } else {
             localDir = rootDir;
         }
         currentProfile = new nsToolkitProfile(buffer,
                                               rootDir, localDir,
                                               currentProfile, false);
         NS_ENSURE_TRUE(currentProfile, NS_ERROR_OUT_OF_MEMORY);
         rv = parser.GetString(profileID.get(), "Default", buffer);
         if (NS_SUCCEEDED(rv) && buffer.EqualsLiteral("1"))
             mChosen = currentProfile;
     }
     if (!mChosen && mFirst && !mFirst->mNext) // only one profile
         mChosen = mFirst;
     return NS_OK;
 }
 NS_IMETHODIMP
 nsToolkitProfileService::SetStartWithLastProfile(bool aValue)
 {
     if (mStartWithLast != aValue) {
         mStartWithLast = aValue;
         mDirty = true;
     }
     return NS_OK;
 }
 NS_IMETHODIMP
 nsToolkitProfileService::GetStartWithLastProfile(bool *aResult)
 {
     *aResult = mStartWithLast;
     return NS_OK;
 }
 NS_IMETHODIMP
 nsToolkitProfileService::GetStartOffline(bool *aResult)
 {
     *aResult = mStartOffline;
     return NS_OK;
 }
 NS_IMETHODIMP
 nsToolkitProfileService::SetStartOffline(bool aValue)
 {
     mStartOffline = aValue;
     return NS_OK;
 }
 NS_IMETHODIMP
 nsToolkitProfileService::GetProfiles(nsISimpleEnumerator* *aResult)
 {
     *aResult = new ProfileEnumerator(this->mFirst);
     if (!*aResult)
         return NS_ERROR_OUT_OF_MEMORY;
     NS_ADDREF(*aResult);
     return NS_OK;
 }
 NS_IMPL_ISUPPORTS(nsToolkitProfileService::ProfileEnumerator,
                   nsISimpleEnumerator)
 NS_IMETHODIMP
 nsToolkitProfileService::ProfileEnumerator::HasMoreElements(bool* aResult)
 {
     *aResult = mCurrent ? true : false;
     return NS_OK;
 }
 NS_IMETHODIMP
 nsToolkitProfileService::ProfileEnumerator::GetNext(nsISupports* *aResult)
 {
     if (!mCurrent) return NS_ERROR_FAILURE;
     NS_ADDREF(*aResult = mCurrent);
     mCurrent = mCurrent->mNext;
     return NS_OK;
 }
 NS_IMETHODIMP
 nsToolkitProfileService::GetSelectedProfile(nsIToolkitProfile* *aResult)
 {
     if (!mChosen && mFirst && !mFirst->mNext) // only one profile
         mChosen = mFirst;
     if (!mChosen) return NS_ERROR_FAILURE;
     NS_ADDREF(*aResult = mChosen);
     return NS_OK;
 }
 NS_IMETHODIMP
 nsToolkitProfileService::SetSelectedProfile(nsIToolkitProfile* aProfile)
 {
     if (mChosen != aProfile) {
         mChosen = aProfile;
         mDirty = true;
     }
     return NS_OK;
 }
 NS_IMETHODIMP
 nsToolkitProfileService::GetProfileByName(const nsACString& aName,
                                           nsIToolkitProfile* *aResult)
 {
     nsToolkitProfile* curP = mFirst;
     while (curP) {
         if (curP->mName.Equals(aName)) {
             NS_ADDREF(*aResult = curP);
             return NS_OK;
         }
         curP = curP->mNext;
     }
     return NS_ERROR_FAILURE;
 }
 NS_IMETHODIMP
 nsToolkitProfileService::LockProfilePath(nsIFile* aDirectory,
                                          nsIFile* aLocalDirectory,
                                          nsIProfileLock* *aResult)
 {
     return NS_LockProfilePath(aDirectory, aLocalDirectory, nullptr, aResult);
 }
 nsresult
 NS_LockProfilePath(nsIFile* aPath, nsIFile* aTempPath,
                    nsIProfileUnlocker* *aUnlocker, nsIProfileLock* *aResult)
 {
     nsRefPtr<nsToolkitProfileLock> lock = new nsToolkitProfileLock();
     if (!lock) return NS_ERROR_OUT_OF_MEMORY;
     nsresult rv = lock->Init(aPath, aTempPath, aUnlocker);
     if (NS_FAILED(rv)) return rv;
     NS_ADDREF(*aResult = lock);
     return NS_OK;
 }
 static const char kTable[] =
     { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
       'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
       '1', '2', '3', '4', '5', '6', '7', '8', '9', '0' };
 static void SaltProfileName(nsACString& aName)
 {
     double fpTime = double(PR_Now());
     // use 1e-6, granularity of PR_Now() on the mac is seconds
     srand((unsigned int)(fpTime * 1e-6 + 0.5));
     char salt[9];
     int i;
     for (i = 0; i < 8; ++i)
         salt[i] = kTable[rand() % ArrayLength(kTable)];
     salt[8] = '.';
     aName.Insert(salt, 0, 9);
 }
 NS_IMETHODIMP
 nsToolkitProfileService::CreateDefaultProfileForApp(const nsACString& aProfileName,
                                                     const nsACString& aAppName,
                                                     const nsACString& aVendorName,
                                                     nsIFile* aProfileDefaultsDir,
                                                     nsIToolkitProfile** aResult)
 {
     NS_ENSURE_STATE(!aProfileName.IsEmpty() || !aAppName.IsEmpty());
     nsCOMPtr<nsIFile> appData;
     nsresult rv =
         gDirServiceProvider->GetUserDataDirectory(getter_AddRefs(appData),
                                                   false,
                                                   &aProfileName,
                                                   &aAppName,
                                                   &aVendorName);
     NS_ENSURE_SUCCESS(rv, rv);
     nsCOMPtr<nsIFile> profilesini;
     appData->Clone(getter_AddRefs(profilesini));
     rv = profilesini->AppendNative(NS_LITERAL_CSTRING("profiles.ini"));
     NS_ENSURE_SUCCESS(rv, rv);
     bool exists = false;
     profilesini->Exists(&exists);
     NS_ENSURE_FALSE(exists, NS_ERROR_ALREADY_INITIALIZED);
     nsIFile* profileDefaultsDir = aProfileDefaultsDir;
     rv = CreateProfileInternal(nullptr,
                                NS_LITERAL_CSTRING("default"),
                                &aProfileName, &aAppName, &aVendorName,
                                &profileDefaultsDir, true, aResult);
     NS_ENSURE_SUCCESS(rv, rv);
     NS_ENSURE_STATE(*aResult);
     nsCOMPtr<nsIFile> rootDir;
     (*aResult)->GetRootDir(getter_AddRefs(rootDir));
     NS_ENSURE_SUCCESS(rv, rv);
     nsAutoCString profileDir;
     rv = rootDir->GetRelativeDescriptor(appData, profileDir);
     NS_ENSURE_SUCCESS(rv, rv);
     nsCString ini;
     ini.SetCapacity(512);
     ini.AppendLiteral("[General]\n");
     ini.AppendLiteral("StartWithLastProfile=1\n\n");
     ini.AppendLiteral("[Profile0]\n");
     ini.AppendLiteral("Name=default\n");
     ini.AppendLiteral("IsRelative=1\n");
     ini.AppendLiteral("Path=");
     ini.Append(profileDir);
     ini.Append('\n');
     ini.AppendLiteral("Default=1\n\n");
     FILE* writeFile;
     rv = profilesini->OpenANSIFileDesc("w", &writeFile);
     NS_ENSURE_SUCCESS(rv, rv);
     if (fwrite(ini.get(), sizeof(char), ini.Length(), writeFile) !=
         ini.Length()) {
         rv = NS_ERROR_UNEXPECTED;
     }
     fclose(writeFile);
     return rv;
 }
 NS_IMETHODIMP
 nsToolkitProfileService::CreateProfile(nsIFile* aRootDir,
                                        const nsACString& aName,
                                        nsIToolkitProfile** aResult)
 {
     return CreateProfileInternal(aRootDir, aName,
                                  nullptr, nullptr, nullptr, nullptr, false, aResult);
 }
 nsresult
 nsToolkitProfileService::CreateProfileInternal(nsIFile* aRootDir,
                                                const nsACString& aName,
                                                const nsACString* aProfileName,
                                                const nsACString* aAppName,
                                                const nsACString* aVendorName,
                                                nsIFile** aProfileDefaultsDir,
                                                bool aForExternalApp,
                                                nsIToolkitProfile** aResult)
 {
     nsresult rv = NS_ERROR_FAILURE;
     if (!aForExternalApp) {
         rv = GetProfileByName(aName, aResult);
         if (NS_SUCCEEDED(rv)) {
             return rv;
         }
     }
     nsCOMPtr<nsIFile> rootDir (aRootDir);
     nsAutoCString dirName;
     if (!rootDir) {
         rv = gDirServiceProvider->GetUserProfilesRootDir(getter_AddRefs(rootDir),
                                                          aProfileName, aAppName,
                                                          aVendorName);
         NS_ENSURE_SUCCESS(rv, rv);
         dirName = aName;
         SaltProfileName(dirName);
         if (NS_IsNativeUTF8()) {
             rootDir->AppendNative(dirName);
         } else {
             rootDir->Append(NS_ConvertUTF8toUTF16(dirName));
         }
     }
     nsCOMPtr<nsIFile> localDir;
     bool isRelative;
     rv = mAppData->Contains(rootDir, true, &isRelative);
     if (NS_SUCCEEDED(rv) && isRelative) {
         nsAutoCString path;
         rv = rootDir->GetRelativeDescriptor(mAppData, path);
         NS_ENSURE_SUCCESS(rv, rv);
         rv = NS_NewNativeLocalFile(EmptyCString(), true,
                                    getter_AddRefs(localDir));
         NS_ENSURE_SUCCESS(rv, rv);
         rv = localDir->SetRelativeDescriptor(mTempData, path);
     } else {
         localDir = rootDir;
     }
     bool exists;
     rv = rootDir->Exists(&exists);
     NS_ENSURE_SUCCESS(rv, rv);
     if (exists) {
         rv = rootDir->IsDirectory(&exists);
         NS_ENSURE_SUCCESS(rv, rv);
         if (!exists)
             return NS_ERROR_FILE_NOT_DIRECTORY;
     }
     else {
         nsCOMPtr<nsIFile> profileDefaultsDir;
         nsCOMPtr<nsIFile> profileDirParent;
         nsAutoString profileDirName;
         rv = rootDir->GetParent(getter_AddRefs(profileDirParent));
         NS_ENSURE_SUCCESS(rv, rv);
         rv = rootDir->GetLeafName(profileDirName);
         NS_ENSURE_SUCCESS(rv, rv);
         if (aProfileDefaultsDir) {
             profileDefaultsDir = *aProfileDefaultsDir;
         } else {
             bool dummy;
             rv = gDirServiceProvider->GetFile(NS_APP_PROFILE_DEFAULTS_50_DIR, &dummy,
                                               getter_AddRefs(profileDefaultsDir));
         }
         if (NS_SUCCEEDED(rv) && profileDefaultsDir)
             rv = profileDefaultsDir->CopyTo(profileDirParent,
                                             profileDirName);
         if (NS_FAILED(rv) || !profileDefaultsDir) {
             // if copying failed, lets just ensure that the profile directory exists.
             rv = rootDir->Create(nsIFile::DIRECTORY_TYPE, 0700);
             NS_ENSURE_SUCCESS(rv, rv);
         }
         rv = rootDir->SetPermissions(0700);
 #ifndef ANDROID
         // If the profile is on the sdcard, this will fail but its non-fatal
         NS_ENSURE_SUCCESS(rv, rv);
 #endif
     }
     rv = localDir->Exists(&exists);
     NS_ENSURE_SUCCESS(rv, rv);
     if (!exists) {
         rv = localDir->Create(nsIFile::DIRECTORY_TYPE, 0700);
         NS_ENSURE_SUCCESS(rv, rv);
     }
     // We created a new profile dir. Let's store a creation timestamp.
     // Note that this code path does not apply if the profile dir was
     // created prior to launching.
     rv = CreateTimesInternal(rootDir);
     NS_ENSURE_SUCCESS(rv, rv);
     nsToolkitProfile* last = aForExternalApp ? nullptr : mFirst;
     if (last) {
         while (last->mNext)
             last = last->mNext;
     }
     nsCOMPtr<nsIToolkitProfile> profile =
         new nsToolkitProfile(aName, rootDir, localDir, last, aForExternalApp);
     if (!profile) return NS_ERROR_OUT_OF_MEMORY;
     NS_ADDREF(*aResult = profile);
     return NS_OK;
 }
 nsresult
 nsToolkitProfileService::CreateTimesInternal(nsIFile* aProfileDir)
 {
     nsresult rv = NS_ERROR_FAILURE;
     nsCOMPtr<nsIFile> creationLog;
     rv = aProfileDir->Clone(getter_AddRefs(creationLog));
     NS_ENSURE_SUCCESS(rv, rv);
     rv = creationLog->AppendNative(NS_LITERAL_CSTRING("times.json"));
     NS_ENSURE_SUCCESS(rv, rv);
     bool exists = false;
     creationLog->Exists(&exists);
     if (exists) {
       return NS_OK;
     }
     rv = creationLog->Create(nsIFile::NORMAL_FILE_TYPE, 0700);
     NS_ENSURE_SUCCESS(rv, rv);
     // We don't care about microsecond resolution.
     int64_t msec = PR_Now() / PR_USEC_PER_MSEC;
     // Write it out.
     PRFileDesc *writeFile;
     rv = creationLog->OpenNSPRFileDesc(PR_WRONLY, 0700, &writeFile);
     NS_ENSURE_SUCCESS(rv, rv);
     PR_fprintf(writeFile, "{\n\"created\": %lld\n}\n", msec);
     PR_Close(writeFile);
     return NS_OK;
 }
 NS_IMETHODIMP
 nsToolkitProfileService::GetProfileCount(uint32_t *aResult)
 {
     if (!mFirst)
         *aResult = 0;
     else if (! mFirst->mNext)
         *aResult = 1;
     else
         *aResult = 2;
     return NS_OK;
 }
 NS_IMETHODIMP
 nsToolkitProfileService::Flush()
 {
     // Errors during writing might cause unhappy semi-written files.
     // To avoid this, write the entire thing to a buffer, then write
     // that buffer to disk.
     nsresult rv;
     uint32_t pCount = 0;
     nsToolkitProfile *cur;
     for (cur = mFirst; cur != nullptr; cur = cur->mNext)
         ++pCount;
     uint32_t length;
     nsAutoArrayPtr<char> buffer (new char[100+MAXPATHLEN*pCount]);
     NS_ENSURE_TRUE(buffer, NS_ERROR_OUT_OF_MEMORY);
     char *end = buffer;
     end += sprintf(end,
                    "[General]\n"
                    "StartWithLastProfile=%s\n\n",
                    mStartWithLast ? "1" : "0");
     nsAutoCString path;
     cur = mFirst;
     pCount = 0;
     while (cur) {
         // if the profile dir is relative to appdir...
         bool isRelative;
         rv = mAppData->Contains(cur->mRootDir, true, &isRelative);
         if (NS_SUCCEEDED(rv) && isRelative) {
             // we use a relative descriptor
             rv = cur->mRootDir->GetRelativeDescriptor(mAppData, path);
         } else {
             // otherwise, a persistent descriptor
             rv = cur->mRootDir->GetPersistentDescriptor(path);
             NS_ENSURE_SUCCESS(rv, rv);
         }
         end += sprintf(end,
                        "[Profile%u]\n"
                        "Name=%s\n"
                        "IsRelative=%s\n"
                        "Path=%s\n",
                        pCount, cur->mName.get(),
                        isRelative ? "1" : "0", path.get());
         if (mChosen == cur) {
             end += sprintf(end, "Default=1\n");
         }
         end += sprintf(end, "\n");
         cur = cur->mNext;
         ++pCount;
     }
     FILE* writeFile;
     rv = mListFile->OpenANSIFileDesc("w", &writeFile);
     NS_ENSURE_SUCCESS(rv, rv);
     if (buffer) {
         length = end - buffer;
         if (fwrite(buffer, sizeof(char), length, writeFile) != length) {
             fclose(writeFile);
             return NS_ERROR_UNEXPECTED;
         }
     }
     fclose(writeFile);
     return NS_OK;
 }
 NS_IMPL_ISUPPORTS(nsToolkitProfileFactory, nsIFactory)
 NS_IMETHODIMP
 nsToolkitProfileFactory::CreateInstance(nsISupports* aOuter, const nsID& aIID,
                                         void** aResult)
 {
     if (aOuter)
         return NS_ERROR_NO_AGGREGATION;
     nsCOMPtr<nsIToolkitProfileService> profileService =
         nsToolkitProfileService::gService;
     if (!profileService) {
         nsresult rv = NS_NewToolkitProfileService(getter_AddRefs(profileService));
         if (NS_FAILED(rv))
             return rv;
     }
     return profileService->QueryInterface(aIID, aResult);
 }
 NS_IMETHODIMP
 nsToolkitProfileFactory::LockFactory(bool aVal)
 {
     return NS_OK;
 }
 nsresult
 NS_NewToolkitProfileFactory(nsIFactory* *aResult)
 {
     *aResult = new nsToolkitProfileFactory();
     if (!*aResult)
         return NS_ERROR_OUT_OF_MEMORY;
     NS_ADDREF(*aResult);
     return NS_OK;
 }
 nsresult
 NS_NewToolkitProfileService(nsIToolkitProfileService* *aResult)
 {
     nsToolkitProfileService* profileService = new nsToolkitProfileService();
     if (!profileService)
         return NS_ERROR_OUT_OF_MEMORY;
     nsresult rv = profileService->Init();
     if (NS_FAILED(rv)) {
         NS_ERROR("nsToolkitProfileService::Init failed!");
         delete profileService;
         return rv;
     }
     NS_ADDREF(*aResult = profileService);
     return NS_OK;
 }
 nsresult
 XRE_GetFileFromPath(const char *aPath, nsIFile* *aResult)
 {
 #if defined(XP_MACOSX)
     int32_t pathLen = strlen(aPath);
     if (pathLen > MAXPATHLEN)
         return NS_ERROR_INVALID_ARG;
     CFURLRef fullPath =
         CFURLCreateFromFileSystemRepresentation(nullptr, (const UInt8 *) aPath,
                                                 pathLen, true);
     if (!fullPath)
         return NS_ERROR_FAILURE;
     nsCOMPtr<nsIFile> lf;
     nsresult rv = NS_NewNativeLocalFile(EmptyCString(), true,
                                         getter_AddRefs(lf));
     if (NS_SUCCEEDED(rv)) {
         nsCOMPtr<nsILocalFileMac> lfMac = do_QueryInterface(lf, &rv);
         if (NS_SUCCEEDED(rv)) {
             rv = lfMac->InitWithCFURL(fullPath);
             if (NS_SUCCEEDED(rv))
                 NS_ADDREF(*aResult = lf);
         }
     }
     CFRelease(fullPath);
     return rv;
 #elif defined(XP_UNIX)
     char fullPath[MAXPATHLEN];
     if (!realpath(aPath, fullPath))
         return NS_ERROR_FAILURE;
     return NS_NewNativeLocalFile(nsDependentCString(fullPath), true,
                                  aResult);
 #elif defined(XP_WIN)
     WCHAR fullPath[MAXPATHLEN];
     if (!_wfullpath(fullPath, NS_ConvertUTF8toUTF16(aPath).get(), MAXPATHLEN))
         return NS_ERROR_FAILURE;
     return NS_NewLocalFile(nsDependentString(fullPath), true,
                            aResult);
 #else
 #error Platform-specific logic needed here.
 #endif
 }

The Tor Browser / annotate

toolkit/profile/nsToolkitProfileService.cpp@8bccb770b82d (annotated)

toolkit/profile/nsToolkitProfileService.cpp