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Diffstat (limited to '')
-rw-r--r-- | security/manager/ssl/OSReauthenticatorDarwin.mm | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/security/manager/ssl/OSReauthenticatorDarwin.mm b/security/manager/ssl/OSReauthenticatorDarwin.mm new file mode 100644 index 0000000000..5776f60674 --- /dev/null +++ b/security/manager/ssl/OSReauthenticatorDarwin.mm @@ -0,0 +1,63 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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 "OSReauthenticator.h" + +#include "nsCocoaUtils.h" + +using namespace mozilla; + +#include <CoreFoundation/CoreFoundation.h> +#include <LocalAuthentication/LocalAuthentication.h> + +static const int32_t kPasswordNotSetErrorCode = -1000; + +nsresult ReauthenticateUserMacOS(const nsAString& aPrompt, + /* out */ bool& aReauthenticated, + /* out */ bool& aIsBlankPassword) { + // The idea here is that we ask to be authorized to unlock the user's session. + // This should cause a prompt to come up for the user asking them for their + // password. If they correctly enter it, we'll set aReauthenticated to true. + + LAContext* context = [[LAContext alloc] init]; + NSString* prompt = nsCocoaUtils::ToNSString(aPrompt); + + dispatch_semaphore_t sema = dispatch_semaphore_create(0); + + __block BOOL biometricSuccess = NO; // mark variable r/w across the block + __block BOOL errorPasswordNotSet = NO; // mark variable r/w across the block + + // Note: This is an async callback in an already-async Promise chain. + [context evaluatePolicy:LAPolicyDeviceOwnerAuthentication + localizedReason:prompt + reply:^(BOOL success, NSError* error) { + dispatch_async(dispatch_get_main_queue(), ^{ + // error is not particularly useful in this context, and + // we have no mechanism to really return it. We could + // use it to set the nsresult, but this is a best-effort + // mechanism and there's no particular case for + // propagating up XPCOM. The one exception being a user + // account that has no passcode set, which we handle + // below. + errorPasswordNotSet = + error && [error code] == kPasswordNotSetErrorCode; + biometricSuccess = success || errorPasswordNotSet; + dispatch_semaphore_signal(sema); + }); + }]; + + // What we want to do here is convert this into a blocking call, since + // our calling methods expect us to block and set aReauthenticated on return. + dispatch_semaphore_wait(sema, DISPATCH_TIME_FOREVER); + dispatch_release(sema); + sema = NULL; + + aReauthenticated = biometricSuccess; + aIsBlankPassword = errorPasswordNotSet; + + [context release]; + return NS_OK; +} |