[Chrome OS] Infrastucture for doing offline/online login simultaneously

chrome/browser/chromeos/login/cryptohome_op.cc

+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/chromeos/login/cryptohome_op.h"
+
+#include <string>
+
+#include "chrome/browser/chromeos/cros/cros_library.h"
+#include "chrome/browser/chromeos/cros/cryptohome_library.h"
+#include "chrome/browser/chromeos/login/auth_attempt_state.h"
+#include "chrome/browser/chromeos/login/auth_attempt_state_resolver.h"
+
+namespace chromeos {
+
+CryptohomeOp::CryptohomeOp(AuthAttemptState* current_attempt,
+                           AuthAttemptStateResolver* callback)
+    : attempt_(current_attempt),
+      resolver_(callback) {
+  CHECK(chromeos::CrosLibrary::Get()->EnsureLoaded());
+}
+
+CryptohomeOp::~CryptohomeOp() {}
+
+void CryptohomeOp::OnComplete(bool success, int return_code) {
+  ChromeThread::PostTask(
+      ChromeThread::IO, FROM_HERE,
+      NewRunnableMethod(this,
+                        &CryptohomeOp::TriggerResolve,
+                        success, return_code));
+}
+
+void CryptohomeOp::TriggerResolve(bool success, int return_code) {
+  DCHECK(ChromeThread::CurrentlyOn(ChromeThread::IO));
+  attempt_->RecordOfflineLoginStatus(success, return_code);
+  resolver_->Resolve();
+}
+
+MountAttempt::MountAttempt(AuthAttemptState* current_attempt,
+                           AuthAttemptStateResolver* callback)
+    : CryptohomeOp(current_attempt, callback) {
+}
+
+MountAttempt::~MountAttempt() {}
+
+bool MountAttempt::Initiate() {
+  DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI));
+  CryptohomeLibrary* lib = CrosLibrary::Get()->GetCryptohomeLibrary();
+  return lib->AsyncMount(attempt_->username, attempt_->ascii_hash, this);
+}
+
+MountGuestAttempt::MountGuestAttempt(AuthAttemptState* current_attempt,
+                                     AuthAttemptStateResolver* callback)
+    : CryptohomeOp(current_attempt, callback) {
+}
+
+MountGuestAttempt::~MountGuestAttempt() {}
+
+bool MountGuestAttempt::Initiate() {
+  DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI));
+  CryptohomeLibrary* lib = CrosLibrary::Get()->GetCryptohomeLibrary();
+  return lib->AsyncMountForBwsi(this);
+}
+
+MigrateAttempt::MigrateAttempt(AuthAttemptState* current_attempt,
+                               AuthAttemptStateResolver* callback,
+                               bool passing_old_hash,
+                               const std::string& hash)
+    : CryptohomeOp(current_attempt, callback),
+      is_old_hash_(passing_old_hash),
+      hash_(hash) {
+}
+
+MigrateAttempt::~MigrateAttempt() {}
+
+bool MigrateAttempt::Initiate() {
+  DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI));
+  CryptohomeLibrary* lib = CrosLibrary::Get()->GetCryptohomeLibrary();
+  if (is_old_hash_) {
+    return lib->AsyncMigrateKey(attempt_->username,
+                                hash_,
+                                attempt_->ascii_hash,
+                                this);
+  } else {
+    return lib->AsyncMigrateKey(attempt_->username,
+                                attempt_->ascii_hash,
+                                hash_,
+                                this);
+  }
+}
+
+void MigrateAttempt::TriggerResolve(bool success, int return_code) {
+  if (success)
+    attempt_->ResetOfflineLoginStatus();
+  else
+    attempt_->RecordOfflineLoginStatus(success, return_code);
+  resolver_->Resolve();
+}
+
+RemoveAttempt::RemoveAttempt(AuthAttemptState* current_attempt,
+                             AuthAttemptStateResolver* callback)
+    : CryptohomeOp(current_attempt, callback) {
+}
+
+RemoveAttempt::~RemoveAttempt() {}
+
+bool RemoveAttempt::Initiate() {
+  DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI));
+  CryptohomeLibrary* lib = CrosLibrary::Get()->GetCryptohomeLibrary();
+  return lib->AsyncRemove(attempt_->username, this);
+}
+
+void RemoveAttempt::TriggerResolve(bool success, int return_code) {
+  DCHECK(ChromeThread::CurrentlyOn(ChromeThread::IO));
+  if (success)
+    attempt_->ResetOfflineLoginStatus();
+  else
+    attempt_->RecordOfflineLoginStatus(success, return_code);
+  resolver_->Resolve();
+}
+
+}  // namespace chromeos