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// Copyright 2018 Google LLC All Rights Reserved.
//
// 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 registry
import (
"encoding/json"
"net/http"
)
type regError struct {
Status int
Code string
Message string
}
func (r *regError) Write(resp http.ResponseWriter) error {
resp.WriteHeader(r.Status)
type err struct {
Code string `json:"code"`
Message string `json:"message"`
}
type wrap struct {
Errors []err `json:"errors"`
}
return json.NewEncoder(resp).Encode(wrap{
Errors: []err{
{
Code: r.Code,
Message: r.Message,
},
},
})
}
// regErrInternal returns an internal server error.
func regErrInternal(err error) *regError {
return ®Error{
Status: http.StatusInternalServerError,
Code: "INTERNAL_SERVER_ERROR",
Message: err.Error(),
}
}
var regErrBlobUnknown = ®Error{
Status: http.StatusNotFound,
Code: "BLOB_UNKNOWN",
Message: "Unknown blob",
}
var regErrUnsupported = ®Error{
Status: http.StatusMethodNotAllowed,
Code: "UNSUPPORTED",
Message: "Unsupported operation",
}
var regErrDigestMismatch = ®Error{
Status: http.StatusBadRequest,
Code: "DIGEST_INVALID",
Message: "digest does not match contents",
}
var regErrDigestInvalid = ®Error{
Status: http.StatusBadRequest,
Code: "NAME_INVALID",
Message: "invalid digest",
}
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