Files
versitygw/s3api/utils/utils.go

88 lines
2.2 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 utils
import (
"bytes"
"errors"
"fmt"
"net/http"
"strings"
"github.com/gofiber/fiber/v2"
"github.com/valyala/fasthttp"
)
func GetUserMetaData(headers *fasthttp.RequestHeader) (metadata map[string]string) {
metadata = make(map[string]string)
headers.VisitAll(func(key, value []byte) {
if strings.HasPrefix(string(key), "X-Amz-Meta-") {
trimmedKey := strings.TrimPrefix(string(key), "X-Amz-Meta-")
headerValue := string(value)
metadata[trimmedKey] = headerValue
}
})
return
}
func CreateHttpRequestFromCtx(ctx *fiber.Ctx, signedHdrs []string) (*http.Request, error) {
req := ctx.Request()
httpReq, err := http.NewRequest(string(req.Header.Method()), req.URI().String(), bytes.NewReader(req.Body()))
if err != nil {
return nil, errors.New("error in creating an http request")
}
// Set the request headers
req.Header.VisitAll(func(key, value []byte) {
keyStr := string(key)
if includeHeader(keyStr, signedHdrs) {
httpReq.Header.Add(keyStr, string(value))
}
})
// Set the Host header
httpReq.Host = string(req.Header.Host())
return httpReq, nil
}
func SetMetaHeaders(ctx *fiber.Ctx, meta map[string]string) {
for key, val := range meta {
ctx.Set(fmt.Sprintf("X-Amz-Meta-%s", key), val)
}
}
type CustomHeader struct {
Key string
Value string
}
func SetResponseHeaders(ctx *fiber.Ctx, headers []CustomHeader) {
for _, header := range headers {
ctx.Set(header.Key, header.Value)
}
}
func includeHeader(hdr string, signedHdrs []string) bool {
for _, shdr := range signedHdrs {
if strings.EqualFold(hdr, shdr) {
return true
}
}
return false
}