mirror of
https://github.com/minio/minio.git
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439 lines
13 KiB
Go
439 lines
13 KiB
Go
// Copyright (c) 2015-2022 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"net/http"
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"strings"
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"github.com/minio/madmin-go/v2"
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"github.com/minio/minio-go/v7/pkg/set"
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"github.com/minio/minio/internal/config"
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cfgldap "github.com/minio/minio/internal/config/identity/ldap"
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"github.com/minio/minio/internal/config/identity/openid"
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"github.com/minio/minio/internal/logger"
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"github.com/minio/mux"
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iampolicy "github.com/minio/pkg/iam/policy"
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"github.com/minio/pkg/ldap"
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)
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func (a adminAPIHandlers) addOrUpdateIDPHandler(ctx context.Context, w http.ResponseWriter, r *http.Request, isUpdate bool) {
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objectAPI, cred := validateAdminReq(ctx, w, r, iampolicy.ConfigUpdateAdminAction)
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if objectAPI == nil {
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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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// Ensure body content type is opaque to ensure that request body has not
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// been interpreted as form data.
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contentType := r.Header.Get("Content-Type")
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if contentType != "application/octet-stream" {
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrBadRequest), r.URL)
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return
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}
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password := cred.SecretKey
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reqBytes, 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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idpCfgType := mux.Vars(r)["type"]
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if !madmin.ValidIDPConfigTypes.Contains(idpCfgType) {
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigInvalidIDPType), r.URL)
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return
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}
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var subSys string
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switch idpCfgType {
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case madmin.OpenidIDPCfg:
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subSys = madmin.IdentityOpenIDSubSys
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case madmin.LDAPIDPCfg:
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subSys = madmin.IdentityLDAPSubSys
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}
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cfgName := mux.Vars(r)["name"]
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cfgTarget := madmin.Default
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if cfgName != "" {
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cfgTarget = cfgName
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if idpCfgType == madmin.LDAPIDPCfg && cfgName != madmin.Default {
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// LDAP does not support multiple configurations. So cfgName must be
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// empty or `madmin.Default`.
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigLDAPNonDefaultConfigName), r.URL)
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return
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}
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}
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// Check that this is a valid Create vs Update API call.
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s := globalServerConfig.Clone()
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if apiErrCode := handleCreateUpdateValidation(s, subSys, cfgTarget, isUpdate); apiErrCode != ErrNone {
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(apiErrCode), r.URL)
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return
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}
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cfgData := ""
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{
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tgtSuffix := ""
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if cfgTarget != madmin.Default {
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tgtSuffix = config.SubSystemSeparator + cfgTarget
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}
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cfgData = subSys + tgtSuffix + config.KvSpaceSeparator + string(reqBytes)
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}
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cfg, err := readServerConfig(ctx, objectAPI, nil)
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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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dynamic, err := cfg.ReadConfig(strings.NewReader(cfgData))
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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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// IDP config is not dynamic. Sanity check.
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if dynamic {
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writeCustomErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrInternalError), err.Error(), r.URL)
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return
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}
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if err = validateConfig(cfg, subSys); err != nil {
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var validationErr ldap.Validation
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if errors.As(err, &validationErr) {
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// If we got an LDAP validation error, we need to send appropriate
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// error message back to client (likely mc).
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writeCustomErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigLDAPValidation),
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validationErr.FormatError(), r.URL)
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return
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}
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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); 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, []byte(cfgData)); 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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writeSuccessResponseHeadersOnly(w)
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}
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func handleCreateUpdateValidation(s config.Config, subSys, cfgTarget string, isUpdate bool) APIErrorCode {
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if cfgTarget != madmin.Default {
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// This cannot give an error at this point.
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subSysTargets, _ := s.GetAvailableTargets(subSys)
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subSysTargetsSet := set.CreateStringSet(subSysTargets...)
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if isUpdate && !subSysTargetsSet.Contains(cfgTarget) {
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return ErrAdminConfigIDPCfgNameDoesNotExist
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}
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if !isUpdate && subSysTargetsSet.Contains(cfgTarget) {
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return ErrAdminConfigIDPCfgNameAlreadyExists
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}
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return ErrNone
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}
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// For the default configuration name, since it will always be an available
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// target, we need to check if a configuration value has been set previously
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// to figure out if this is a valid create or update API call.
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// This cannot really error (FIXME: improve the type for GetConfigInfo)
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var cfgInfos []madmin.IDPCfgInfo
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switch subSys {
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case madmin.IdentityOpenIDSubSys:
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cfgInfos, _ = globalIAMSys.OpenIDConfig.GetConfigInfo(s, cfgTarget)
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case madmin.IdentityLDAPSubSys:
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cfgInfos, _ = globalIAMSys.LDAPConfig.GetConfigInfo(s, cfgTarget)
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}
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if len(cfgInfos) > 0 && !isUpdate {
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return ErrAdminConfigIDPCfgNameAlreadyExists
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}
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if len(cfgInfos) == 0 && isUpdate {
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return ErrAdminConfigIDPCfgNameDoesNotExist
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}
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return ErrNone
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}
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// AddIdentityProviderCfg: adds a new IDP config for openid/ldap.
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//
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// PUT <admin-prefix>/idp-cfg/openid/dex1 -> create named config `dex1`
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//
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// PUT <admin-prefix>/idp-cfg/openid/_ -> create (default) named config `_`
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func (a adminAPIHandlers) AddIdentityProviderCfg(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "AddIdentityProviderCfg")
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defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
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a.addOrUpdateIDPHandler(ctx, w, r, false)
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}
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// UpdateIdentityProviderCfg: updates an existing IDP config for openid/ldap.
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//
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// PATCH <admin-prefix>/idp-cfg/openid/dex1 -> update named config `dex1`
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//
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// PATCH <admin-prefix>/idp-cfg/openid/_ -> update (default) named config `_`
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func (a adminAPIHandlers) UpdateIdentityProviderCfg(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "UpdateIdentityProviderCfg")
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defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
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a.addOrUpdateIDPHandler(ctx, w, r, true)
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}
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// ListIdentityProviderCfg:
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//
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// GET <admin-prefix>/idp-cfg/openid -> lists openid provider configs.
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func (a adminAPIHandlers) ListIdentityProviderCfg(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "ListIdentityProviderCfg")
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defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
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objectAPI, cred := validateAdminReq(ctx, w, r, iampolicy.ConfigUpdateAdminAction)
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if objectAPI == nil {
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return
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}
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password := cred.SecretKey
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idpCfgType := mux.Vars(r)["type"]
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if !madmin.ValidIDPConfigTypes.Contains(idpCfgType) {
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigInvalidIDPType), r.URL)
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return
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}
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var cfgList []madmin.IDPListItem
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var err error
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switch idpCfgType {
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case madmin.OpenidIDPCfg:
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cfg := globalServerConfig.Clone()
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cfgList, err = globalIAMSys.OpenIDConfig.GetConfigList(cfg)
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case madmin.LDAPIDPCfg:
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cfg := globalServerConfig.Clone()
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cfgList, err = globalIAMSys.LDAPConfig.GetConfigList(cfg)
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default:
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrNotImplemented), r.URL)
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return
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}
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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(cfgList)
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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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econfigData, err := madmin.EncryptData(password, data)
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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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// GetIdentityProviderCfg:
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//
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// GET <admin-prefix>/idp-cfg/openid/dex_test
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func (a adminAPIHandlers) GetIdentityProviderCfg(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "GetIdentityProviderCfg")
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defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
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objectAPI, cred := validateAdminReq(ctx, w, r, iampolicy.ConfigUpdateAdminAction)
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if objectAPI == nil {
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return
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}
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idpCfgType := mux.Vars(r)["type"]
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cfgName := mux.Vars(r)["name"]
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password := cred.SecretKey
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if !madmin.ValidIDPConfigTypes.Contains(idpCfgType) {
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigInvalidIDPType), r.URL)
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return
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}
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cfg := globalServerConfig.Clone()
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var cfgInfos []madmin.IDPCfgInfo
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var err error
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switch idpCfgType {
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case madmin.OpenidIDPCfg:
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cfgInfos, err = globalIAMSys.OpenIDConfig.GetConfigInfo(cfg, cfgName)
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case madmin.LDAPIDPCfg:
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cfgInfos, err = globalIAMSys.LDAPConfig.GetConfigInfo(cfg, cfgName)
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}
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if err != nil {
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if errors.Is(err, openid.ErrProviderConfigNotFound) || errors.Is(err, cfgldap.ErrProviderConfigNotFound) {
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminNoSuchConfigTarget), r.URL)
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return
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}
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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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res := madmin.IDPConfig{
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Type: idpCfgType,
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Name: cfgName,
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Info: cfgInfos,
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}
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data, err := json.Marshal(res)
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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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econfigData, err := madmin.EncryptData(password, data)
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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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// DeleteIdentityProviderCfg:
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//
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// DELETE <admin-prefix>/idp-cfg/openid/dex_test
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func (a adminAPIHandlers) DeleteIdentityProviderCfg(w http.ResponseWriter, r *http.Request) {
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ctx := newContext(r, w, "DeleteIdentityProviderCfg")
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defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
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objectAPI, _ := validateAdminReq(ctx, w, r, iampolicy.ConfigUpdateAdminAction)
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if objectAPI == nil {
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return
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}
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idpCfgType := mux.Vars(r)["type"]
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cfgName := mux.Vars(r)["name"]
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if !madmin.ValidIDPConfigTypes.Contains(idpCfgType) {
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigInvalidIDPType), r.URL)
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return
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}
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cfgCopy := globalServerConfig.Clone()
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var subSys string
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switch idpCfgType {
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case madmin.OpenidIDPCfg:
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subSys = config.IdentityOpenIDSubSys
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cfgInfos, err := globalIAMSys.OpenIDConfig.GetConfigInfo(cfgCopy, cfgName)
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if err != nil {
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if errors.Is(err, openid.ErrProviderConfigNotFound) {
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminNoSuchConfigTarget), r.URL)
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return
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}
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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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hasEnv := false
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for _, ci := range cfgInfos {
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if ci.IsCfg && ci.IsEnv {
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hasEnv = true
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break
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}
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}
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if hasEnv {
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigEnvOverridden), r.URL)
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return
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}
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case madmin.LDAPIDPCfg:
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subSys = config.IdentityLDAPSubSys
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cfgInfos, err := globalIAMSys.LDAPConfig.GetConfigInfo(cfgCopy, cfgName)
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if err != nil {
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if errors.Is(err, openid.ErrProviderConfigNotFound) {
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminNoSuchConfigTarget), r.URL)
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return
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}
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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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hasEnv := false
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for _, ci := range cfgInfos {
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if ci.IsCfg && ci.IsEnv {
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hasEnv = true
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break
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}
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}
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if hasEnv {
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigEnvOverridden), r.URL)
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return
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}
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default:
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writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrNotImplemented), r.URL)
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return
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}
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cfg, err := readServerConfig(ctx, objectAPI, nil)
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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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cfgKey := fmt.Sprintf("%s:%s", subSys, cfgName)
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if cfgName == madmin.Default {
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cfgKey = subSys
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}
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if err = cfg.DelKVS(cfgKey); 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, subSys); 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); 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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dynamic := config.SubSystemsDynamic.Contains(subSys)
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if dynamic {
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applyDynamic(ctx, objectAPI, cfg, subSys, r, w)
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}
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}
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