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Copy pathadmin-handler-utils.go
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172 lines (160 loc) · 4.98 KB
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// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package cmd
import (
"context"
"errors"
"net/http"
"github.com/minio/kes"
"github.com/minio/madmin-go"
"github.com/minio/minio/internal/auth"
"github.com/minio/minio/internal/config"
iampolicy "github.com/minio/pkg/iam/policy"
)
func validateAdminReq(ctx context.Context, w http.ResponseWriter, r *http.Request, action iampolicy.AdminAction) (ObjectLayer, auth.Credentials) {
// Get current object layer instance.
objectAPI := newObjectLayerFn()
if objectAPI == nil || globalNotificationSys == nil {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL)
return nil, auth.Credentials{}
}
// Validate request signature.
cred, adminAPIErr := checkAdminRequestAuth(ctx, r, action, "")
if adminAPIErr != ErrNone {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(adminAPIErr), r.URL)
return nil, cred
}
return objectAPI, cred
}
// AdminError - is a generic error for all admin APIs.
type AdminError struct {
Code string
Message string
StatusCode int
}
func (ae AdminError) Error() string {
return ae.Message
}
func toAdminAPIErr(ctx context.Context, err error) APIError {
if err == nil {
return noError
}
var apiErr APIError
switch e := err.(type) {
case iampolicy.Error:
apiErr = APIError{
Code: "XMinioMalformedIAMPolicy",
Description: e.Error(),
HTTPStatusCode: http.StatusBadRequest,
}
case config.Error:
apiErr = APIError{
Code: "XMinioConfigError",
Description: e.Error(),
HTTPStatusCode: http.StatusBadRequest,
}
case AdminError:
apiErr = APIError{
Code: e.Code,
Description: e.Message,
HTTPStatusCode: e.StatusCode,
}
default:
switch {
case errors.Is(err, errConfigNotFound):
apiErr = APIError{
Code: "XMinioConfigError",
Description: err.Error(),
HTTPStatusCode: http.StatusNotFound,
}
case errors.Is(err, errIAMActionNotAllowed):
apiErr = APIError{
Code: "XMinioIAMActionNotAllowed",
Description: err.Error(),
HTTPStatusCode: http.StatusForbidden,
}
case errors.Is(err, errIAMNotInitialized):
apiErr = APIError{
Code: "XMinioIAMNotInitialized",
Description: err.Error(),
HTTPStatusCode: http.StatusServiceUnavailable,
}
case errors.Is(err, kes.ErrKeyExists):
apiErr = APIError{
Code: "XMinioKMSKeyExists",
Description: err.Error(),
HTTPStatusCode: http.StatusConflict,
}
// Tier admin API errors
case errors.Is(err, madmin.ErrTierNameEmpty):
apiErr = APIError{
Code: "XMinioAdminTierNameEmpty",
Description: err.Error(),
HTTPStatusCode: http.StatusBadRequest,
}
case errors.Is(err, madmin.ErrTierInvalidConfig):
apiErr = APIError{
Code: "XMinioAdminTierInvalidConfig",
Description: err.Error(),
HTTPStatusCode: http.StatusBadRequest,
}
case errors.Is(err, madmin.ErrTierInvalidConfigVersion):
apiErr = APIError{
Code: "XMinioAdminTierInvalidConfigVersion",
Description: err.Error(),
HTTPStatusCode: http.StatusBadRequest,
}
case errors.Is(err, madmin.ErrTierTypeUnsupported):
apiErr = APIError{
Code: "XMinioAdminTierTypeUnsupported",
Description: err.Error(),
HTTPStatusCode: http.StatusBadRequest,
}
case errors.Is(err, errTierBackendInUse):
apiErr = APIError{
Code: "XMinioAdminTierBackendInUse",
Description: err.Error(),
HTTPStatusCode: http.StatusConflict,
}
case errors.Is(err, errTierInsufficientCreds):
apiErr = APIError{
Code: "XMinioAdminTierInsufficientCreds",
Description: err.Error(),
HTTPStatusCode: http.StatusBadRequest,
}
case errIsTierPermError(err):
apiErr = APIError{
Code: "XMinioAdminTierInsufficientPermissions",
Description: err.Error(),
HTTPStatusCode: http.StatusBadRequest,
}
default:
apiErr = errorCodes.ToAPIErrWithErr(toAdminAPIErrCode(ctx, err), err)
}
}
return apiErr
}
// toAdminAPIErrCode - converts errErasureWriteQuorum error to admin API
// specific error.
func toAdminAPIErrCode(ctx context.Context, err error) APIErrorCode {
switch err {
case errErasureWriteQuorum:
return ErrAdminConfigNoQuorum
default:
return toAPIErrorCode(ctx, err)
}
}