/
error.go
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/
error.go
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// Copyright 2017 Istio Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package ca
import "google.golang.org/grpc/codes"
// ErrType is the type for CA errors.
type ErrType int
const (
// CANotReady means the CA is not ready to sign CSRs.
CANotReady ErrType = iota
// CSRError means the CA cannot sign CSR due to CSR error.
CSRError
// TTLError means the required TTL is invalid.
TTLError
// CertGenError means an error happened during the certificate generation.
CertGenError
)
// Error encapsulates the short and long errors.
type Error struct {
t ErrType
err error
}
// Error returns the string error message.
func (e Error) Error() string {
return e.err.Error()
}
// ErrorType returns a short string representing the error type.
func (e Error) ErrorType() string {
switch e.t {
case CANotReady:
return "CA_NOT_READY"
case CSRError:
return "CSR_ERROR"
case TTLError:
return "TTL_ERROR"
case CertGenError:
return "CERT_GEN_ERROR"
}
return "UNKNOWN"
}
// HTTPErrorCode returns an HTTP error code representing the error type.
func (e Error) HTTPErrorCode() codes.Code {
switch e.t {
case CANotReady:
return codes.Internal
case CertGenError:
return codes.Internal
case CSRError:
return codes.InvalidArgument
case TTLError:
return codes.InvalidArgument
}
return codes.Internal
}
// NewError creates a new Error instance.
func NewError(t ErrType, err error) *Error {
return &Error{
t: t,
err: err,
}
}