commit 2f15abbb0f2d772b0c7f9ff7c3a697390ce3813b Author: Kathy Brade brade@pearlcrescent.com Date: Tue Feb 24 13:50:23 2015 -0500

Bug 14631: Improve profile access error messages.

Instead of always reporting that the profile is locked, display specific messages for "access denied" and "read-only file system".

To allow for localization, get profile-related error strings from Torbutton. Use app display name ("Tor Browser") in profile-related error alerts. --- .../mozapps/profile/profileSelection.properties | 5 + toolkit/profile/nsToolkitProfileService.cpp | 57 +++++++- toolkit/profile/nsToolkitProfileService.h | 13 +- toolkit/xre/nsAppRunner.cpp | 157 ++++++++++++++++++--- 4 files changed, 208 insertions(+), 24 deletions(-)

diff --git a/toolkit/locales/en-US/chrome/mozapps/profile/profileSelection.properties b/toolkit/locales/en-US/chrome/mozapps/profile/profileSelection.properties index d326083202b2..aa38bda24347 100644 --- a/toolkit/locales/en-US/chrome/mozapps/profile/profileSelection.properties +++ b/toolkit/locales/en-US/chrome/mozapps/profile/profileSelection.properties @@ -12,6 +12,11 @@ restartMessageUnlocker=%S is already running, but is not responding. The old %S restartMessageNoUnlockerMac=A copy of %S is already open. Only one copy of %S can be open at a time. restartMessageUnlockerMac=A copy of %S is already open. The running copy of %S will quit in order to open this one.

+# LOCALIZATION NOTE (profileProblemTitle, profileReadOnly, profileReadOnlyMac, profileAccessDenied): Messages displayed when the browser profile cannot be accessed or written to. %S is the application name. +profileProblemTitle=%S Profile Problem +profileReadOnly=You cannot run %S from a read-only file system. Please copy %S to another location before trying to use it. +profileReadOnlyMac=You cannot run %S from a read-only file system. Please copy %S to your Desktop or Applications folder before trying to use it. +profileAccessDenied=%S does not have permission to access the profile. Please adjust your file system permissions and try again. # Profile manager # LOCALIZATION NOTE (profileTooltip): First %S is the profile name, second %S is the path to the profile folder. profileTooltip=Profile: ‘%S’ — Path: ‘%S’ diff --git a/toolkit/profile/nsToolkitProfileService.cpp b/toolkit/profile/nsToolkitProfileService.cpp index b80291179219..90eb336cb3d2 100644 --- a/toolkit/profile/nsToolkitProfileService.cpp +++ b/toolkit/profile/nsToolkitProfileService.cpp @@ -1159,9 +1159,10 @@ nsToolkitProfileService::SelectStartupProfile( }

bool wasDefault; + ProfileStatus profileStatus; nsresult rv = SelectStartupProfile(&argc, argv.get(), aIsResetting, aRootDir, aLocalDir, - aProfile, aDidCreate, &wasDefault); + aProfile, aDidCreate, &wasDefault, profileStatus);

// Since we were called outside of the normal startup path complete any // startup tasks. @@ -1194,7 +1195,8 @@ nsToolkitProfileService::SelectStartupProfile( nsresult nsToolkitProfileService::SelectStartupProfile( int* aArgc, char* aArgv[], bool aIsResetting, nsIFile** aRootDir, nsIFile** aLocalDir, nsIToolkitProfile** aProfile, bool* aDidCreate, - bool* aWasDefaultSelection) { + bool* aWasDefaultSelection, ProfileStatus& aProfileStatus) { + aProfileStatus = PROFILE_STATUS_OK; if (mStartupProfileSelected) { return NS_ERROR_ALREADY_INITIALIZED; } @@ -1288,6 +1290,13 @@ nsresult nsToolkitProfileService::SelectStartupProfile( rv = XRE_GetFileFromPath(arg, getter_AddRefs(lf)); NS_ENSURE_SUCCESS(rv, rv);

+ aProfileStatus = CheckProfileWriteAccess(lf); + if (PROFILE_STATUS_OK != aProfileStatus) { + NS_ADDREF(*aRootDir = lf); + NS_ADDREF(*aLocalDir = lf); + return NS_ERROR_FAILURE; + } + // Make sure that the profile path exists and it's a directory. bool exists; rv = lf->Exists(&exists); @@ -2081,3 +2090,47 @@ nsresult XRE_GetFileFromPath(const char* aPath, nsIFile** aResult) { # error Platform-specific logic needed here. #endif } + +// Check for write permission to the profile directory by trying to create a +// new file (after ensuring that no file with the same name exists). +ProfileStatus nsToolkitProfileService::CheckProfileWriteAccess( + nsIFile* aProfileDir) { +#if defined(XP_UNIX) + constexpr auto writeTestFileName = u".parentwritetest"_ns; +#else + constexpr auto writeTestFileName = u"parent.writetest"_ns; +#endif + + nsCOMPtr<nsIFile> writeTestFile; + nsresult rv = aProfileDir->Clone(getter_AddRefs(writeTestFile)); + if (NS_SUCCEEDED(rv)) rv = writeTestFile->Append(writeTestFileName); + + if (NS_SUCCEEDED(rv)) { + bool doesExist = false; + rv = writeTestFile->Exists(&doesExist); + if (NS_SUCCEEDED(rv) && doesExist) rv = writeTestFile->Remove(true); + } + + if (NS_SUCCEEDED(rv)) { + rv = writeTestFile->Create(nsIFile::NORMAL_FILE_TYPE, 0666); + (void)writeTestFile->Remove(true); + } + + ProfileStatus status = + NS_SUCCEEDED(rv) ? PROFILE_STATUS_OK : PROFILE_STATUS_OTHER_ERROR; + if (NS_ERROR_FILE_ACCESS_DENIED == rv) + status = PROFILE_STATUS_ACCESS_DENIED; + else if (NS_ERROR_FILE_READ_ONLY == rv) + status = PROFILE_STATUS_READ_ONLY; + + return status; +} + +ProfileStatus nsToolkitProfileService::CheckProfileWriteAccess( + nsIToolkitProfile* aProfile) { + nsCOMPtr<nsIFile> profileDir; + nsresult rv = aProfile->GetRootDir(getter_AddRefs(profileDir)); + if (NS_FAILED(rv)) return PROFILE_STATUS_OTHER_ERROR; + + return CheckProfileWriteAccess(profileDir); +} diff --git a/toolkit/profile/nsToolkitProfileService.h b/toolkit/profile/nsToolkitProfileService.h index 6b68c019ca52..aa92b9a27b64 100644 --- a/toolkit/profile/nsToolkitProfileService.h +++ b/toolkit/profile/nsToolkitProfileService.h @@ -16,6 +16,14 @@ #include "nsProfileLock.h" #include "nsINIParser.h"

+enum ProfileStatus { + PROFILE_STATUS_OK, + PROFILE_STATUS_ACCESS_DENIED, + PROFILE_STATUS_READ_ONLY, + PROFILE_STATUS_IS_LOCKED, + PROFILE_STATUS_OTHER_ERROR +}; + class nsToolkitProfile final : public nsIToolkitProfile, public mozilla::LinkedListElement<RefPtr<nsToolkitProfile>> { @@ -80,10 +88,13 @@ class nsToolkitProfileService final : public nsIToolkitProfileService { nsresult SelectStartupProfile(int* aArgc, char* aArgv[], bool aIsResetting, nsIFile** aRootDir, nsIFile** aLocalDir, nsIToolkitProfile** aProfile, bool* aDidCreate, - bool* aWasDefaultSelection); + bool* aWasDefaultSelection, + ProfileStatus& aProfileStatus); nsresult CreateResetProfile(nsIToolkitProfile** aNewProfile); nsresult ApplyResetProfile(nsIToolkitProfile* aOldProfile); void CompleteStartup(); + static ProfileStatus CheckProfileWriteAccess(nsIToolkitProfile* aProfile); + static ProfileStatus CheckProfileWriteAccess(nsIFile* aProfileDir);

private: friend class nsToolkitProfile; diff --git a/toolkit/xre/nsAppRunner.cpp b/toolkit/xre/nsAppRunner.cpp index 761c5975f5b5..414c33f18147 100644 --- a/toolkit/xre/nsAppRunner.cpp +++ b/toolkit/xre/nsAppRunner.cpp @@ -2280,6 +2280,91 @@ nsresult LaunchChild(bool aBlankCommandLine, bool aTryExec) { return NS_ERROR_LAUNCHED_CHILD_PROCESS; }

+static nsresult GetOverrideStringBundleForLocale(nsIStringBundleService* aSBS, + const char* aTorbuttonURI, + const char* aLocale, + nsIStringBundle** aResult) { + NS_ENSURE_ARG(aSBS); + NS_ENSURE_ARG(aTorbuttonURI); + NS_ENSURE_ARG(aLocale); + NS_ENSURE_ARG(aResult); + + const char* kFormatStr = + "jar:%s!/chrome/torbutton/locale/%s/torbutton.properties"; + nsPrintfCString strBundleURL(kFormatStr, aTorbuttonURI, aLocale); + nsresult rv = aSBS->CreateBundle(strBundleURL.get(), aResult); + NS_ENSURE_SUCCESS(rv, rv); + + // To ensure that we have a valid string bundle, try to retrieve a string + // that we know exists. + nsAutoString val; + rv = (*aResult)->GetStringFromName("profileProblemTitle", val); + if (!NS_SUCCEEDED(rv)) *aResult = nullptr; // No good. Discard it. + + return rv; +} + +static void GetOverrideStringBundle(nsIStringBundleService* aSBS, + nsIStringBundle** aResult) { + if (!aSBS || !aResult) return; + + *aResult = nullptr; + + // Build Torbutton file URI string by starting from GREDir. + RefPtr<nsXREDirProvider> dirProvider = nsXREDirProvider::GetSingleton(); + if (!dirProvider) return; + + nsCOMPtr<nsIFile> greDir = dirProvider->GetGREDir(); + if (!greDir) return; + + // Create file URI, extract as string, and append omni.ja relative path. + nsCOMPtr<nsIURI> uri; + nsAutoCString uriString; + if (NS_FAILED(NS_NewFileURI(getter_AddRefs(uri), greDir)) || + NS_FAILED(uri->GetSpec(uriString))) { + return; + } + + uriString.Append("omni.ja"); + + nsAutoCString userAgentLocale; + if (!NS_SUCCEEDED( + Preferences::GetCString("intl.locale.requested", userAgentLocale))) { + return; + } + + nsresult rv = GetOverrideStringBundleForLocale( + aSBS, uriString.get(), userAgentLocale.get(), aResult); + if (NS_FAILED(rv)) { + // Try again using base locale, e.g., "en" vs. "en-US". + int16_t offset = userAgentLocale.FindChar('-', 1); + if (offset > 0) { + nsAutoCString shortLocale(Substring(userAgentLocale, 0, offset)); + rv = GetOverrideStringBundleForLocale(aSBS, uriString.get(), + shortLocale.get(), aResult); + } + } +} + +static nsresult GetFormattedString(nsIStringBundle* aOverrideBundle, + nsIStringBundle* aMainBundle, + const char* aName, + const nsTArray<nsString>& aParams, + nsAString& aResult) { + NS_ENSURE_ARG(aName); + + nsresult rv = NS_ERROR_FAILURE; + if (aOverrideBundle) { + rv = aOverrideBundle->FormatStringFromName(aName, aParams, aResult); + } + + // If string was not found in override bundle, use main (browser) bundle. + if (NS_FAILED(rv) && aMainBundle) + rv = aMainBundle->FormatStringFromName(aName, aParams, aResult); + + return rv; +} + static const char kProfileProperties[] = "chrome://mozapps/locale/profile/profileSelection.properties";

@@ -2345,7 +2430,7 @@ static nsresult ProfileMissingDialog(nsINativeAppSupport* aNative) { sbs->CreateBundle(kProfileProperties, getter_AddRefs(sb)); NS_ENSURE_TRUE_LOG(sbs, NS_ERROR_FAILURE);

- NS_ConvertUTF8toUTF16 appName(gAppData->name); + NS_ConvertUTF8toUTF16 appName(MOZ_APP_DISPLAYNAME); AutoTArray<nsString, 2> params = {appName, appName};

// profileMissing @@ -2367,11 +2452,12 @@ static nsresult ProfileMissingDialog(nsINativeAppSupport* aNative) { } }

-static ReturnAbortOnError ProfileLockedDialog(nsIFile* aProfileDir, - nsIFile* aProfileLocalDir, - nsIProfileUnlocker* aUnlocker, - nsINativeAppSupport* aNative, - nsIProfileLock** aResult) { +static ReturnAbortOnError ProfileErrorDialog(nsIFile* aProfileDir, + nsIFile* aProfileLocalDir, + ProfileStatus aStatus, + nsIProfileUnlocker* aUnlocker, + nsINativeAppSupport* aNative, + nsIProfileLock** aResult) { nsresult rv;

bool exists; @@ -2399,24 +2485,39 @@ static ReturnAbortOnError ProfileLockedDialog(nsIFile* aProfileDir, sbs->CreateBundle(kProfileProperties, getter_AddRefs(sb)); NS_ENSURE_TRUE_LOG(sbs, NS_ERROR_FAILURE);

- NS_ConvertUTF8toUTF16 appName(gAppData->name); + nsCOMPtr<nsIStringBundle> overrideSB; + GetOverrideStringBundle(sbs, getter_AddRefs(overrideSB)); + + NS_ConvertUTF8toUTF16 appName(MOZ_APP_DISPLAYNAME); AutoTArray<nsString, 3> params = {appName, appName, appName};

nsAutoString killMessage; #ifndef XP_MACOSX - rv = sb->FormatStringFromName( - aUnlocker ? "restartMessageUnlocker" : "restartMessageNoUnlocker2", - params, killMessage); + static const char kRestartUnlocker[] = "restartMessageUnlocker"; + static const char kRestartNoUnlocker[] = "restartMessageNoUnlocker2"; + static const char kReadOnly[] = "profileReadOnly"; #else - rv = sb->FormatStringFromName( - aUnlocker ? "restartMessageUnlockerMac" : "restartMessageNoUnlockerMac", - params, killMessage); -#endif + static const char kRestartUnlocker[] = "restartMessageUnlockerMac"; + static const char kRestartNoUnlocker[] = "restartMessageNoUnlockerMac"; + static const char kReadOnly[] = "profileReadOnlyMac"; +#endif + static const char kAccessDenied[] = "profileAccessDenied"; + + const char* errorKey = aUnlocker ? kRestartUnlocker : kRestartNoUnlocker; + if (PROFILE_STATUS_READ_ONLY == aStatus) + errorKey = kReadOnly; + else if (PROFILE_STATUS_ACCESS_DENIED == aStatus) + errorKey = kAccessDenied; + rv = GetFormattedString(overrideSB, sb, errorKey, params, killMessage); NS_ENSURE_SUCCESS(rv, NS_ERROR_FAILURE);

+ const char* titleKey = ((PROFILE_STATUS_READ_ONLY == aStatus) || + (PROFILE_STATUS_ACCESS_DENIED == aStatus)) + ? "profileProblemTitle" + : "restartTitle"; params.SetLength(1); nsAutoString killTitle; - rv = sb->FormatStringFromName("restartTitle", params, killTitle); + rv = sb->FormatStringFromName(titleKey, params, killTitle); NS_ENSURE_SUCCESS(rv, NS_ERROR_FAILURE);

#ifdef MOZ_BACKGROUNDTASKS @@ -2576,6 +2677,13 @@ static nsCOMPtr<nsIToolkitProfile> gResetOldProfile; static nsresult LockProfile(nsINativeAppSupport* aNative, nsIFile* aRootDir, nsIFile* aLocalDir, nsIToolkitProfile* aProfile, nsIProfileLock** aResult) { + ProfileStatus status = + (aProfile ? nsToolkitProfileService::CheckProfileWriteAccess(aProfile) + : nsToolkitProfileService::CheckProfileWriteAccess(aRootDir)); + if (PROFILE_STATUS_OK != status) + return ProfileErrorDialog(aRootDir, aLocalDir, status, nullptr, aNative, + aResult); + // If you close Firefox and very quickly reopen it, the old Firefox may // still be closing down. Rather than immediately showing the // "Firefox is running but is not responding" message, we spend a few @@ -2602,7 +2710,8 @@ static nsresult LockProfile(nsINativeAppSupport* aNative, nsIFile* aRootDir, } while (TimeStamp::Now() - start < TimeDuration::FromSeconds(kLockRetrySeconds));

- return ProfileLockedDialog(aRootDir, aLocalDir, unlocker, aNative, aResult); + return ProfileErrorDialog(aRootDir, aLocalDir, PROFILE_STATUS_IS_LOCKED, + unlocker, aNative, aResult); }

// Pick a profile. We need to end up with a profile root dir, local dir and @@ -2617,7 +2726,8 @@ static nsresult LockProfile(nsINativeAppSupport* aNative, nsIFile* aRootDir, static nsresult SelectProfile(nsToolkitProfileService* aProfileSvc, nsINativeAppSupport* aNative, nsIFile** aRootDir, nsIFile** aLocalDir, nsIToolkitProfile** aProfile, - bool* aWasDefaultSelection) { + bool* aWasDefaultSelection, + nsIProfileLock** aResult) { StartupTimeline::Record(StartupTimeline::SELECT_PROFILE);

nsresult rv; @@ -2663,9 +2773,14 @@ static nsresult SelectProfile(nsToolkitProfileService* aProfileSvc,

// Ask the profile manager to select the profile directories to use. bool didCreate = false; - rv = aProfileSvc->SelectStartupProfile(&gArgc, gArgv, gDoProfileReset, - aRootDir, aLocalDir, aProfile, - &didCreate, aWasDefaultSelection); + ProfileStatus profileStatus = PROFILE_STATUS_OK; + rv = aProfileSvc->SelectStartupProfile( + &gArgc, gArgv, gDoProfileReset, aRootDir, aLocalDir, aProfile, &didCreate, + aWasDefaultSelection, profileStatus); + if (PROFILE_STATUS_OK != profileStatus) { + return ProfileErrorDialog(*aRootDir, *aLocalDir, profileStatus, nullptr, + aNative, aResult); + }

if (rv == NS_ERROR_SHOW_PROFILE_MANAGER) { return ShowProfileManager(aProfileSvc, aNative); @@ -4560,7 +4675,7 @@ int XREMain::XRE_mainStartup(bool* aExitFlag) { nsCOMPtr<nsIToolkitProfile> profile; rv = SelectProfile(mProfileSvc, mNativeApp, getter_AddRefs(mProfD), getter_AddRefs(mProfLD), getter_AddRefs(profile), - &wasDefaultSelection); + &wasDefaultSelection, getter_AddRefs(mProfileLock)); if (rv == NS_ERROR_LAUNCHED_CHILD_PROCESS || rv == NS_ERROR_ABORT) { *aExitFlag = true; return 0;