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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_ASH_PRINTING_OAUTH2_STATUS_CODE_H_
#define CHROME_BROWSER_ASH_PRINTING_OAUTH2_STATUS_CODE_H_
#include <string>
#include <string_view>
#include "base/functional/callback.h"
namespace ash::printing::oauth2 {
enum class StatusCode {
// Success - no errors occurred.
kOK = 0,
// The provided server URL is invalid.
kInvalidURL,
// The client is registered to the server but there is no active OAuth2
// sessions. Run the method InitAuthorization(...) and then
// FinishAuthorization(...) to start OAuth2 session,
kAuthorizationNeeded,
// The client is not registered to the server and the server does not support
// dynamic registration (as described in rfc7591).
kClientNotRegistered,
// The server is untrusted.
kUntrustedAuthorizationServer,
// The server denied the request.
kAccessDenied,
// RedirectURL obtained during authorization process does not match any
// existing session. It means that the obtained response was invalid or the
// session was removed (see StatusCode::kTooManySessions) in the meantime.
kNoMatchingSession,
// Access token is invalid or expired (used internally only).
kInvalidAccessToken,
// The server sent 503 Service Unavailable HTTP status code.
kServerTemporarilyUnavailable,
// The server sent 500 Internal Server Error HTTP status code.
kServerError,
// The server sent invalid or unexpected response.
kInvalidResponse,
// Cannot open HTTPS connection to the server.
kConnectionError,
// The session was terminated because maximum number of sessions was reached.
kTooManySessions,
// Unexpected or unknown error occurred.
kUnexpectedError
};
// Returns the given `status` as strings that can be used in device-log.
// Returned string equals C++ name of `status` without leading 'k', e.g.:
// kClientNotRegistered is converted to "ClientNotRegistered".
std::string_view ToStringPiece(StatusCode status);
// This is the standard callback used in oauth2 namespace. When `status` equals
// StatusCode::kOK, `data` may contain an access token or authorization URL.
// When `status` is different than StatusCode::kOK, `data` may contain
// an additional error message.
using StatusCallback =
base::OnceCallback<void(StatusCode status, std::string data)>;
} // namespace ash::printing::oauth2
#endif // CHROME_BROWSER_ASH_PRINTING_OAUTH2_STATUS_CODE_H_
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