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/*
* MinIO Go Library for Amazon S3 Compatible Cloud Storage
* Copyright 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 credentials
import (
"bytes"
"encoding/xml"
"fmt"
"io"
"io/ioutil"
)
// ErrorResponse - Is the typed error returned.
// ErrorResponse struct should be comparable since it is compared inside
// golang http API (https://github.com/golang/go/issues/29768)
type ErrorResponse struct {
XMLName xml.Name `xml:"https://sts.amazonaws.com/doc/2011-06-15/ ErrorResponse" json:"-"`
STSError struct {
Type string `xml:"Type"`
Code string `xml:"Code"`
Message string `xml:"Message"`
} `xml:"Error"`
RequestID string `xml:"RequestId"`
}
// Error - Is the typed error returned by all API operations.
type Error struct {
XMLName xml.Name `xml:"Error" json:"-"`
Code string
Message string
BucketName string
Key string
Resource 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
// Captures the server string returned in response header.
Server string
// Underlying HTTP status code for the returned error
StatusCode int `xml:"-" json:"-"`
}
// Error - Returns S3 error string.
func (e Error) Error() string {
if e.Message == "" {
return fmt.Sprintf("Error response code %s.", e.Code)
}
return e.Message
}
// Error - Returns STS error string.
func (e ErrorResponse) Error() string {
if e.STSError.Message == "" {
return fmt.Sprintf("Error response code %s.", e.STSError.Code)
}
return e.STSError.Message
}
// xmlDecoder provide decoded value in xml.
func xmlDecoder(body io.Reader, v interface{}) error {
d := xml.NewDecoder(body)
return d.Decode(v)
}
// xmlDecodeAndBody reads the whole body up to 1MB and
// tries to XML decode it into v.
// The body that was read and any error from reading or decoding is returned.
func xmlDecodeAndBody(bodyReader io.Reader, v interface{}) ([]byte, error) {
// read the whole body (up to 1MB)
const maxBodyLength = 1 << 20
body, err := ioutil.ReadAll(io.LimitReader(bodyReader, maxBodyLength))
if err != nil {
return nil, err
}
return bytes.TrimSpace(body), xmlDecoder(bytes.NewReader(body), v)
}
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