frostfs-s3-gw/http/http.go

58 lines
1.5 KiB
Go

package http
import (
"fmt"
"net/http"
"strconv"
"github.com/minio/minio/legacy/crypto"
)
type (
HTTPResponseWriter struct {
serverName string
serverRegion string
}
// MimeType represents various MIME type used API responses.
MimeType string
// ContextKey is a custom type used to pass values within contexts.
ContextKey string
)
const BearerTokenContextKey ContextKey = "bearer-token"
const (
// MimeType_None means no response type.
MimeType_None MimeType = ""
// MimeType_ApplicationJSON means response type is JSON.
MimeType_ApplicationJSON MimeType = "application/json"
// MimeType_ApplicationXML means response type is XML.
MimeType_ApplicationXML MimeType = "application/xml"
)
func NewHTTPResponseWriter(appName, appVersion, region string) *HTTPResponseWriter {
return &HTTPResponseWriter{
serverName: fmt.Sprintf("%s/%s", appName, appVersion),
serverRegion: region,
}
}
func (rw *HTTPResponseWriter) writeResponse(w http.ResponseWriter, statusCode int, response []byte, mimeType MimeType) {
w.Header().Set("Server", rw.serverName)
if len(rw.serverRegion) > 0 {
w.Header().Set("X-Amz-Bucket-Region", rw.serverRegion)
}
w.Header().Set("Accept-Ranges", "bytes")
crypto.RemoveSensitiveHeaders(w.Header())
if mimeType != MimeType_None {
w.Header().Set("Content-Type", string(mimeType))
}
w.Header().Set("Content-Length", strconv.Itoa(len(response)))
w.WriteHeader(statusCode)
if response != nil {
w.Write(response)
w.(http.Flusher).Flush()
}
}