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api-error-response.go
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api-error-response.go
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//
// MinIO Object Storage (c) 2021 MinIO, Inc.
//
// 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 madmin
import (
"encoding/xml"
"fmt"
"net/http"
)
/* **** SAMPLE ERROR RESPONSE ****
<?xml version="1.0" encoding="UTF-8"?>
<Error>
<Code>AccessDenied</Code>
<Message>Access Denied</Message>
<BucketName>bucketName</BucketName>
<Key>objectName</Key>
<RequestId>F19772218238A85A</RequestId>
<HostId>GuWkjyviSiGHizehqpmsD1ndz5NClSP19DOT+s2mv7gXGQ8/X1lhbDGiIJEXpGFD</HostId>
</Error>
*/
// ErrorResponse - Is the typed error returned by all API operations.
type ErrorResponse struct {
XMLName xml.Name `xml:"Error" json:"-"`
Code string
Message string
BucketName string
Key string
RequestID string `xml:"RequestId"`
HostID string `xml:"HostId"`
// Region where the bucket is located. This header is returned
// only in HEAD bucket and ListObjects response.
Region string
}
// Error - Returns HTTP error string
func (e ErrorResponse) Error() string {
return e.Message
}
const (
reportIssue = "Please report this issue at https://github.com/minio/minio/issues."
)
// httpRespToErrorResponse returns a new encoded ErrorResponse
// structure as error.
func httpRespToErrorResponse(resp *http.Response) error {
if resp == nil {
msg := "Response is empty. " + reportIssue
return ErrInvalidArgument(msg)
}
var errResp ErrorResponse
// Decode the json error
err := jsonDecoder(resp.Body, &errResp)
if err != nil {
return ErrorResponse{
Code: resp.Status,
Message: fmt.Sprintf("Failed to parse server response: %s.", err),
}
}
closeResponse(resp)
return errResp
}
// ToErrorResponse - Returns parsed ErrorResponse struct from body and
// http headers.
//
// For example:
//
// import admin "github.com/minio/madmin-go"
// ...
// ...
// ss, err := adm.ServiceStatus(...)
// if err != nil {
// resp := admin.ToErrorResponse(err)
// }
// ...
func ToErrorResponse(err error) ErrorResponse {
switch err := err.(type) {
case ErrorResponse:
return err
default:
return ErrorResponse{}
}
}
// ErrInvalidArgument - Invalid argument response.
func ErrInvalidArgument(message string) error {
return ErrorResponse{
Code: "InvalidArgument",
Message: message,
RequestID: "minio",
}
}