Files
versitygw/s3api/middlewares/md5.go
2023-06-12 07:46:09 -07:00

44 lines
1.2 KiB
Go

// Copyright 2023 Versity Software
// This file is 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 middlewares
import (
"crypto/md5"
"encoding/base64"
"github.com/gofiber/fiber/v2"
"github.com/versity/versitygw/s3api/controllers"
"github.com/versity/versitygw/s3err"
)
func VerifyMD5Body() fiber.Handler {
return func(ctx *fiber.Ctx) error {
incomingSum := ctx.Get("Content-Md5")
if incomingSum == "" {
return ctx.Next()
}
sum := md5.Sum(ctx.Body())
calculatedSum := base64.StdEncoding.EncodeToString(sum[:])
if incomingSum != calculatedSum {
return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrInvalidDigest))
}
return ctx.Next()
}
}