mirror of
https://github.com/minio/minio.git
synced 2024-12-25 14:45:54 -05:00
ee4a6a823d
- adding oauth support to MinIO browser (#8400) by @kanagaraj - supports multi-line get/set/del for all config fields - add support for comments, allow toggle - add extensive validation of config before saving - support MinIO browser to support proper claims, using STS tokens - env support for all config parameters, legacy envs are also supported with all documentation now pointing to latest ENVs - preserve accessKey/secretKey from FS mode setups - add history support implements three APIs - ClearHistory - RestoreHistory - ListHistory - add help command support for each config parameters - all the bug fixes after migration to KV, and other bug fixes encountered during testing.
437 lines
12 KiB
Go
437 lines
12 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2019 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"bufio"
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"bytes"
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"encoding/json"
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"io"
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"net/http"
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"strings"
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"github.com/gorilla/mux"
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"github.com/minio/minio/cmd/config"
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"github.com/minio/minio/cmd/logger"
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"github.com/minio/minio/pkg/color"
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"github.com/minio/minio/pkg/madmin"
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)
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// DelConfigKVHandler - DELETE /minio/admin/v2/del-config-kv
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func (a adminAPIHandlers) DelConfigKVHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "DelConfigKVHandler")
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objectAPI := validateAdminReq(ctx, w, r)
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if objectAPI == nil {
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return
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}
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// Deny if WORM is enabled
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if globalWORMEnabled {
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrMethodNotAllowed), r.URL)
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return
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}
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if r.ContentLength > maxEConfigJSONSize || r.ContentLength == -1 {
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// More than maxConfigSize bytes were available
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigTooLarge), r.URL)
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return
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}
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password := globalActiveCred.SecretKey
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kvBytes, err := madmin.DecryptData(password, io.LimitReader(r.Body, r.ContentLength))
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if err != nil {
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logger.LogIf(ctx, err, logger.Application)
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigBadJSON), r.URL)
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return
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}
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cfg, err := readServerConfig(ctx, objectAPI)
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if err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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oldCfg := cfg.Clone()
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scanner := bufio.NewScanner(bytes.NewReader(kvBytes))
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for scanner.Scan() {
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if err = cfg.DelKVS(scanner.Text()); err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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}
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if err = scanner.Err(); err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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if err = saveServerConfig(ctx, objectAPI, cfg, oldCfg); err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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}
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// SetConfigKVHandler - PUT /minio/admin/v2/set-config-kv
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func (a adminAPIHandlers) SetConfigKVHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "SetConfigKVHandler")
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objectAPI := validateAdminReq(ctx, w, r)
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if objectAPI == nil {
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return
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}
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// Deny if WORM is enabled
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if globalWORMEnabled {
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrMethodNotAllowed), r.URL)
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return
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}
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if r.ContentLength > maxEConfigJSONSize || r.ContentLength == -1 {
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// More than maxConfigSize bytes were available
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigTooLarge), r.URL)
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return
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}
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password := globalActiveCred.SecretKey
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kvBytes, err := madmin.DecryptData(password, io.LimitReader(r.Body, r.ContentLength))
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if err != nil {
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logger.LogIf(ctx, err, logger.Application)
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigBadJSON), r.URL)
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return
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}
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cfg, err := readServerConfig(ctx, objectAPI)
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if err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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defaultKVS := configDefaultKVS()
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oldCfg := cfg.Clone()
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scanner := bufio.NewScanner(bytes.NewReader(kvBytes))
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var comment string
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for scanner.Scan() {
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if strings.HasPrefix(scanner.Text(), config.KvComment) {
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// Join multiple comments for each newline, separated by ","
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comments := []string{comment, strings.TrimPrefix(scanner.Text(), config.KvComment)}
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comment = strings.Join(comments, config.KvNewline)
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continue
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}
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if err = cfg.SetKVS(scanner.Text(), comment, defaultKVS); err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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// Empty the comment for the next sub-system
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comment = ""
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}
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if err = scanner.Err(); err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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if err = validateConfig(cfg); err != nil {
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writeCustomErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigBadJSON), err.Error(), r.URL)
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return
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}
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// Update the actual server config on disk.
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if err = saveServerConfig(ctx, objectAPI, cfg, oldCfg); err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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// Write to the config input KV to history.
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if err = saveServerConfigHistory(ctx, objectAPI, kvBytes); err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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}
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// GetConfigKVHandler - GET /minio/admin/v2/get-config-kv?key={key}
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func (a adminAPIHandlers) GetConfigKVHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "GetConfigKVHandler")
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objectAPI := validateAdminReq(ctx, w, r)
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if objectAPI == nil {
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return
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}
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vars := mux.Vars(r)
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var body strings.Builder
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if vars["key"] != "" {
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kvs, err := globalServerConfig.GetKVS(vars["key"])
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if err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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for k, kv := range kvs {
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c, ok := kv[config.Comment]
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if ok {
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// For multiple comments split it correctly.
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for _, c1 := range strings.Split(c, config.KvNewline) {
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if c1 == "" {
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continue
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}
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body.WriteString(color.YellowBold(config.KvComment))
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body.WriteString(config.KvSpaceSeparator)
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body.WriteString(color.BlueBold(strings.TrimSpace(c1)))
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body.WriteString(config.KvNewline)
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}
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}
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body.WriteString(color.CyanBold(k))
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body.WriteString(config.KvSpaceSeparator)
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body.WriteString(kv.String())
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if len(kvs) > 1 {
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body.WriteString(config.KvNewline)
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}
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}
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} else {
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body.WriteString(globalServerConfig.String())
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}
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password := globalActiveCred.SecretKey
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econfigData, err := madmin.EncryptData(password, []byte(body.String()))
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if err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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writeSuccessResponseJSON(w, econfigData)
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}
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func (a adminAPIHandlers) ClearConfigHistoryKVHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "ClearConfigHistoryKVHandler")
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objectAPI := validateAdminReq(ctx, w, r)
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if objectAPI == nil {
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return
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}
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vars := mux.Vars(r)
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restoreID := vars["restoreId"]
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if restoreID == "" {
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrInvalidRequest), r.URL)
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return
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}
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if restoreID == "all" {
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chEntries, err := listServerConfigHistory(ctx, objectAPI)
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if err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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for _, chEntry := range chEntries {
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if err = delServerConfigHistory(ctx, objectAPI, chEntry.RestoreID); err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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}
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} else {
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if err := delServerConfigHistory(ctx, objectAPI, restoreID); err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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}
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}
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// RestoreConfigHistoryKVHandler - restores a config with KV settings for the given KV id.
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func (a adminAPIHandlers) RestoreConfigHistoryKVHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "RestoreConfigHistoryKVHandler")
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objectAPI := validateAdminReq(ctx, w, r)
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if objectAPI == nil {
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return
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}
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vars := mux.Vars(r)
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restoreID := vars["restoreId"]
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if restoreID == "" {
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrInvalidRequest), r.URL)
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return
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}
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kvBytes, err := readServerConfigHistory(ctx, objectAPI, restoreID)
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if err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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cfg, err := readServerConfig(ctx, objectAPI)
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if err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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defaultKVS := configDefaultKVS()
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oldCfg := cfg.Clone()
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scanner := bufio.NewScanner(bytes.NewReader(kvBytes))
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var comment string
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for scanner.Scan() {
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if strings.HasPrefix(scanner.Text(), config.KvComment) {
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// Join multiple comments for each newline, separated by "\n"
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comment = strings.Join([]string{comment, scanner.Text()}, config.KvNewline)
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continue
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}
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if err = cfg.SetKVS(scanner.Text(), comment, defaultKVS); err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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comment = ""
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}
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if err = scanner.Err(); err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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if err = validateConfig(cfg); err != nil {
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writeCustomErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigBadJSON), err.Error(), r.URL)
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return
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}
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if err = saveServerConfig(ctx, objectAPI, cfg, oldCfg); err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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delServerConfigHistory(ctx, objectAPI, restoreID)
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}
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// ListConfigHistoryKVHandler - lists all the KV ids.
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func (a adminAPIHandlers) ListConfigHistoryKVHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "ListConfigHistoryKVHandler")
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objectAPI := validateAdminReq(ctx, w, r)
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if objectAPI == nil {
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return
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}
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chEntries, err := listServerConfigHistory(ctx, objectAPI)
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if err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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data, err := json.Marshal(chEntries)
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if err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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writeSuccessResponseJSON(w, data)
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}
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// HelpConfigKVHandler - GET /minio/admin/v2/help-config-kv?subSys={subSys}&key={key}
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func (a adminAPIHandlers) HelpConfigKVHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "HelpConfigKVHandler")
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objectAPI := validateAdminReq(ctx, w, r)
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if objectAPI == nil {
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return
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}
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vars := mux.Vars(r)
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subSys := vars["subSys"]
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key := vars["key"]
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rd, err := GetHelp(subSys, key)
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if err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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io.Copy(w, rd)
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w.(http.Flusher).Flush()
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}
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// SetConfigHandler - PUT /minio/admin/v1/config
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func (a adminAPIHandlers) SetConfigHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "SetConfigHandler")
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objectAPI := validateAdminReq(ctx, w, r)
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if objectAPI == nil {
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return
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}
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// Deny if WORM is enabled
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if globalWORMEnabled {
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrMethodNotAllowed), r.URL)
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return
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}
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if r.ContentLength > maxEConfigJSONSize || r.ContentLength == -1 {
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// More than maxConfigSize bytes were available
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigTooLarge), r.URL)
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return
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}
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password := globalActiveCred.SecretKey
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configBytes, err := madmin.DecryptData(password, io.LimitReader(r.Body, r.ContentLength))
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if err != nil {
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logger.LogIf(ctx, err, logger.Application)
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigBadJSON), r.URL)
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return
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}
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var cfg config.Config
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if err = json.Unmarshal(configBytes, &cfg); err != nil {
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logger.LogIf(ctx, err)
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writeCustomErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigBadJSON), err.Error(), r.URL)
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return
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}
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if err = validateConfig(cfg); err != nil {
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writeCustomErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigBadJSON), err.Error(), r.URL)
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return
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}
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if err = saveServerConfig(ctx, objectAPI, cfg, nil); err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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// Reply to the client before restarting minio server.
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writeSuccessResponseHeadersOnly(w)
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}
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// GetConfigHandler - GET /minio/admin/v1/config
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// Get config.json of this minio setup.
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func (a adminAPIHandlers) GetConfigHandler(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "GetConfigHandler")
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objectAPI := validateAdminReq(ctx, w, r)
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if objectAPI == nil {
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return
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}
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config, err := readServerConfig(ctx, objectAPI)
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if err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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configData, err := json.MarshalIndent(config, "", "\t")
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if err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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password := globalActiveCred.SecretKey
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econfigData, err := madmin.EncryptData(password, configData)
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if err != nil {
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writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
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return
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}
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writeSuccessResponseJSON(w, econfigData)
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}
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