Currently Go http connection pool was not being properly utilized leading to degrading performance as the number of concurrent requests increased. As recommended by Go implementation, we have to drain the response body and close it.
151 lines
3.9 KiB
Go
151 lines
3.9 KiB
Go
/*
|
|
* Minio Cloud Storage, (C) 2017 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 (
|
|
"bytes"
|
|
"crypto/rand"
|
|
"encoding/json"
|
|
"errors"
|
|
"fmt"
|
|
"io"
|
|
"io/ioutil"
|
|
"net/http"
|
|
|
|
"github.com/minio/minio/pkg/quick"
|
|
"github.com/minio/sio"
|
|
"golang.org/x/crypto/argon2"
|
|
)
|
|
|
|
// EncryptServerConfigData - encrypts server config data.
|
|
func EncryptServerConfigData(password string, data []byte) ([]byte, error) {
|
|
salt := make([]byte, 32)
|
|
if _, err := io.ReadFull(rand.Reader, salt); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// derive an encryption key from the master key and the nonce
|
|
var key [32]byte
|
|
copy(key[:], argon2.IDKey([]byte(password), salt, 1, 64*1024, 4, 32))
|
|
|
|
encrypted, err := sio.EncryptReader(bytes.NewReader(data), sio.Config{
|
|
Key: key[:]},
|
|
)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
edata, err := ioutil.ReadAll(encrypted)
|
|
return append(salt, edata...), err
|
|
}
|
|
|
|
// DecryptServerConfigData - decrypts server config data.
|
|
func DecryptServerConfigData(password string, data io.Reader) ([]byte, error) {
|
|
salt := make([]byte, 32)
|
|
if _, err := io.ReadFull(data, salt); err != nil {
|
|
return nil, err
|
|
}
|
|
// derive an encryption key from the master key and the nonce
|
|
var key [32]byte
|
|
copy(key[:], argon2.IDKey([]byte(password), salt, 1, 64*1024, 4, 32))
|
|
|
|
decrypted, err := sio.DecryptReader(data, sio.Config{
|
|
Key: key[:]},
|
|
)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return ioutil.ReadAll(decrypted)
|
|
}
|
|
|
|
// GetConfig - returns the config.json of a minio setup, incoming data is encrypted.
|
|
func (adm *AdminClient) GetConfig() ([]byte, error) {
|
|
// Execute GET on /minio/admin/v1/config to get config of a setup.
|
|
resp, err := adm.executeMethod("GET",
|
|
requestData{relPath: "/v1/config"})
|
|
defer closeResponse(resp)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if resp.StatusCode != http.StatusOK {
|
|
return nil, httpRespToErrorResponse(resp)
|
|
}
|
|
defer closeResponse(resp)
|
|
|
|
return DecryptServerConfigData(adm.secretAccessKey, resp.Body)
|
|
}
|
|
|
|
// SetConfig - set config supplied as config.json for the setup.
|
|
func (adm *AdminClient) SetConfig(config io.Reader) (err error) {
|
|
const maxConfigJSONSize = 256 * 1024 // 256KiB
|
|
|
|
// Read configuration bytes
|
|
configBuf := make([]byte, maxConfigJSONSize+1)
|
|
n, err := io.ReadFull(config, configBuf)
|
|
if err == nil {
|
|
return fmt.Errorf("too large file")
|
|
}
|
|
if err != io.ErrUnexpectedEOF {
|
|
return err
|
|
}
|
|
configBytes := configBuf[:n]
|
|
|
|
type configVersion struct {
|
|
Version string `json:"version,omitempty"`
|
|
}
|
|
var cfg configVersion
|
|
|
|
// Check if read data is in json format
|
|
if err = json.Unmarshal(configBytes, &cfg); err != nil {
|
|
return errors.New("Invalid JSON format: " + err.Error())
|
|
}
|
|
|
|
// Check if the provided json file has "version" key set
|
|
if cfg.Version == "" {
|
|
return errors.New("Missing or unset \"version\" key in json file")
|
|
}
|
|
// Validate there are no duplicate keys in the JSON
|
|
if err = quick.CheckDuplicateKeys(string(configBytes)); err != nil {
|
|
return errors.New("Duplicate key in json file: " + err.Error())
|
|
}
|
|
|
|
econfigBytes, err := EncryptServerConfigData(adm.secretAccessKey, configBytes)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
reqData := requestData{
|
|
relPath: "/v1/config",
|
|
content: econfigBytes,
|
|
}
|
|
|
|
// Execute PUT on /minio/admin/v1/config to set config.
|
|
resp, err := adm.executeMethod("PUT", reqData)
|
|
|
|
defer closeResponse(resp)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if resp.StatusCode != http.StatusOK {
|
|
return httpRespToErrorResponse(resp)
|
|
}
|
|
|
|
return nil
|
|
}
|