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// Copyright 2014 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.
#ifndef CHROMEOS_LOGIN_AUTH_AUTH_STATUS_CONSUMER_H_
#define CHROMEOS_LOGIN_AUTH_AUTH_STATUS_CONSUMER_H_
#include <string>
#include "base/logging.h"
#include "chromeos/chromeos_export.h"
#include "google_apis/gaia/gaia_auth_consumer.h"
#include "google_apis/gaia/google_service_auth_error.h"
#include "net/base/net_errors.h"
namespace chromeos {
class UserContext;
class CHROMEOS_EXPORT AuthFailure {
public:
enum FailureReason {
NONE,
COULD_NOT_MOUNT_CRYPTOHOME,
COULD_NOT_MOUNT_TMPFS,
COULD_NOT_UNMOUNT_CRYPTOHOME,
DATA_REMOVAL_FAILED, // Could not destroy your old data
LOGIN_TIMED_OUT,
UNLOCK_FAILED,
NETWORK_AUTH_FAILED, // Could not authenticate against Google
OWNER_REQUIRED, // Only the device owner can log-in.
WHITELIST_CHECK_FAILED, // Login attempt blocked by whitelist. This value
// is
// synthesized by the ExistingUserController and
// passed to the login_status_consumer_ in tests
// only. It is never generated or seen by any of the
// other authenticator classes.
TPM_ERROR, // Critical TPM error encountered.
USERNAME_HASH_FAILED, // Could not get username hash.
NUM_FAILURE_REASONS, // This has to be the last item.
};
explicit AuthFailure(FailureReason reason)
: reason_(reason), error_(GoogleServiceAuthError::NONE) {
DCHECK(reason != NETWORK_AUTH_FAILED);
}
inline bool operator==(const AuthFailure& b) const {
if (reason_ != b.reason_) {
return false;
}
if (reason_ == NETWORK_AUTH_FAILED) {
return error_ == b.error_;
}
return true;
}
static AuthFailure FromNetworkAuthFailure(
const GoogleServiceAuthError& error) {
return AuthFailure(NETWORK_AUTH_FAILED, error);
}
static AuthFailure AuthFailureNone() { return AuthFailure(NONE); }
const std::string GetErrorString() const {
switch (reason_) {
case DATA_REMOVAL_FAILED:
return "Could not destroy your old data.";
case COULD_NOT_MOUNT_CRYPTOHOME:
return "Could not mount cryptohome.";
case COULD_NOT_UNMOUNT_CRYPTOHOME:
return "Could not unmount cryptohome.";
case COULD_NOT_MOUNT_TMPFS:
return "Could not mount tmpfs.";
case LOGIN_TIMED_OUT:
return "Login timed out. Please try again.";
case UNLOCK_FAILED:
return "Unlock failed.";
case NETWORK_AUTH_FAILED:
if (error_.state() == GoogleServiceAuthError::CONNECTION_FAILED) {
return net::ErrorToString(error_.network_error());
}
return "Google authentication failed.";
case OWNER_REQUIRED:
return "Login is restricted to the owner's account only.";
case WHITELIST_CHECK_FAILED:
return "Login attempt blocked by whitelist.";
default:
NOTREACHED();
return std::string();
}
}
const GoogleServiceAuthError& error() const { return error_; }
const FailureReason& reason() const { return reason_; }
private:
AuthFailure(FailureReason reason, GoogleServiceAuthError error)
: reason_(reason), error_(error) {}
FailureReason reason_;
GoogleServiceAuthError error_;
};
// An interface that defines the callbacks for objects that the
// Authenticator class will call to report the success/failure of
// authentication for Chromium OS.
class CHROMEOS_EXPORT AuthStatusConsumer {
public:
virtual ~AuthStatusConsumer() {}
// The current login attempt has ended in failure, with error |error|.
virtual void OnAuthFailure(const AuthFailure& error) = 0;
// The current login attempt has succeeded for |user_context|.
virtual void OnAuthSuccess(const UserContext& user_context) = 0;
// The current guest login attempt has succeeded.
virtual void OnOffTheRecordAuthSuccess() {}
// The same password didn't work both online and offline.
virtual void OnPasswordChangeDetected();
};
} // namespace chromeos
#endif // CHROMEOS_LOGIN_AUTH_AUTH_STATUS_CONSUMER_H_
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