1 files changed, 0 insertions, 223 deletions
diff --git a/vendor/github.com/minio/minio-go/v7/pkg/signer/request-signature-streaming-unsigned-trailer.go b/vendor/github.com/minio/minio-go/v7/pkg/signer/request-signature-streaming-unsigned-trailer.go
deleted file mode 100644
index e18002b8d..000000000
--- a/vendor/github.com/minio/minio-go/v7/pkg/signer/request-signature-streaming-unsigned-trailer.go
+++ /dev/null
@@ -1,223 +0,0 @@
-/*
- * MinIO Go Library for Amazon S3 Compatible Cloud Storage
- * Copyright 2022 MinIO, Inc.
- *
- * 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 signer
-
-import (
-	"bytes"
-	"fmt"
-	"io"
-	"net/http"
-	"strconv"
-	"strings"
-	"time"
-)
-
-// getUnsignedChunkLength - calculates the length of chunk metadata
-func getUnsignedChunkLength(chunkDataSize int64) int64 {
-	return int64(len(fmt.Sprintf("%x", chunkDataSize))) +
-		crlfLen +
-		chunkDataSize +
-		crlfLen
-}
-
-// getUSStreamLength - calculates the length of the overall stream (data + metadata)
-func getUSStreamLength(dataLen, chunkSize int64, trailers http.Header) int64 {
-	if dataLen <= 0 {
-		return 0
-	}
-
-	chunksCount := int64(dataLen / chunkSize)
-	remainingBytes := int64(dataLen % chunkSize)
-	streamLen := int64(0)
-	streamLen += chunksCount * getUnsignedChunkLength(chunkSize)
-	if remainingBytes > 0 {
-		streamLen += getUnsignedChunkLength(remainingBytes)
-	}
-	streamLen += getUnsignedChunkLength(0)
-	if len(trailers) > 0 {
-		for name, placeholder := range trailers {
-			if len(placeholder) > 0 {
-				streamLen += int64(len(name) + len(trailerKVSeparator) + len(placeholder[0]) + 1)
-			}
-		}
-		streamLen += crlfLen
-	}
-
-	return streamLen
-}
-
-// prepareStreamingRequest - prepares a request with appropriate
-// headers before computing the seed signature.
-func prepareUSStreamingRequest(req *http.Request, sessionToken string, dataLen int64, timestamp time.Time) {
-	req.TransferEncoding = []string{"aws-chunked"}
-	if sessionToken != "" {
-		req.Header.Set("X-Amz-Security-Token", sessionToken)
-	}
-
-	req.Header.Set("X-Amz-Date", timestamp.Format(iso8601DateFormat))
-	// Set content length with streaming signature for each chunk included.
-	req.ContentLength = getUSStreamLength(dataLen, int64(payloadChunkSize), req.Trailer)
-}
-
-// StreamingUSReader implements chunked upload signature as a reader on
-// top of req.Body's ReaderCloser chunk header;data;... repeat
-type StreamingUSReader struct {
-	contentLen     int64         // Content-Length from req header
-	baseReadCloser io.ReadCloser // underlying io.Reader
-	bytesRead      int64         // bytes read from underlying io.Reader
-	buf            bytes.Buffer  // holds signed chunk
-	chunkBuf       []byte        // holds raw data read from req Body
-	chunkBufLen    int           // no. of bytes read so far into chunkBuf
-	done           bool          // done reading the underlying reader to EOF
-	chunkNum       int
-	totalChunks    int
-	lastChunkSize  int
-	trailer        http.Header
-}
-
-// writeChunk - signs a chunk read from s.baseReader of chunkLen size.
-func (s *StreamingUSReader) writeChunk(chunkLen int, addCrLf bool) {
-	s.buf.WriteString(strconv.FormatInt(int64(chunkLen), 16) + "\r\n")
-
-	// Write chunk data into streaming buffer
-	s.buf.Write(s.chunkBuf[:chunkLen])
-
-	// Write the chunk trailer.
-	if addCrLf {
-		s.buf.Write([]byte("\r\n"))
-	}
-
-	// Reset chunkBufLen for next chunk read.
-	s.chunkBufLen = 0
-	s.chunkNum++
-}
-
-// addSignedTrailer - adds a trailer with the provided headers,
-// then signs a chunk and adds it to output.
-func (s *StreamingUSReader) addTrailer(h http.Header) {
-	olen := len(s.chunkBuf)
-	s.chunkBuf = s.chunkBuf[:0]
-	for k, v := range h {
-		s.chunkBuf = append(s.chunkBuf, []byte(strings.ToLower(k)+trailerKVSeparator+v[0]+"\n")...)
-	}
-
-	s.buf.Write(s.chunkBuf)
-	s.buf.WriteString("\r\n\r\n")
-
-	// Reset chunkBufLen for next chunk read.
-	s.chunkBuf = s.chunkBuf[:olen]
-	s.chunkBufLen = 0
-	s.chunkNum++
-}
-
-// StreamingUnsignedV4 - provides chunked upload
-func StreamingUnsignedV4(req *http.Request, sessionToken string, dataLen int64, reqTime time.Time) *http.Request {
-	// Set headers needed for streaming signature.
-	prepareUSStreamingRequest(req, sessionToken, dataLen, reqTime)
-
-	if req.Body == nil {
-		req.Body = io.NopCloser(bytes.NewReader([]byte("")))
-	}
-
-	stReader := &StreamingUSReader{
-		baseReadCloser: req.Body,
-		chunkBuf:       make([]byte, payloadChunkSize),
-		contentLen:     dataLen,
-		chunkNum:       1,
-		totalChunks:    int((dataLen+payloadChunkSize-1)/payloadChunkSize) + 1,
-		lastChunkSize:  int(dataLen % payloadChunkSize),
-	}
-	if len(req.Trailer) > 0 {
-		stReader.trailer = req.Trailer
-		// Remove...
-		req.Trailer = nil
-	}
-
-	req.Body = stReader
-
-	return req
-}
-
-// Read - this method performs chunk upload signature providing a
-// io.Reader interface.
-func (s *StreamingUSReader) Read(buf []byte) (int, error) {
-	switch {
-	// After the last chunk is read from underlying reader, we
-	// never re-fill s.buf.
-	case s.done:
-
-	// s.buf will be (re-)filled with next chunk when has lesser
-	// bytes than asked for.
-	case s.buf.Len() < len(buf):
-		s.chunkBufLen = 0
-		for {
-			n1, err := s.baseReadCloser.Read(s.chunkBuf[s.chunkBufLen:])
-			// Usually we validate `err` first, but in this case
-			// we are validating n > 0 for the following reasons.
-			//
-			// 1. n > 0, err is one of io.EOF, nil (near end of stream)
-			// A Reader returning a non-zero number of bytes at the end
-			// of the input stream may return either err == EOF or err == nil
-			//
-			// 2. n == 0, err is io.EOF (actual end of stream)
-			//
-			// Callers should always process the n > 0 bytes returned
-			// before considering the error err.
-			if n1 > 0 {
-				s.chunkBufLen += n1
-				s.bytesRead += int64(n1)
-
-				if s.chunkBufLen == payloadChunkSize ||
-					(s.chunkNum == s.totalChunks-1 &&
-						s.chunkBufLen == s.lastChunkSize) {
-					// Sign the chunk and write it to s.buf.
-					s.writeChunk(s.chunkBufLen, true)
-					break
-				}
-			}
-			if err != nil {
-				if err == io.EOF {
-					// No more data left in baseReader - last chunk.
-					// Done reading the last chunk from baseReader.
-					s.done = true
-
-					// bytes read from baseReader different than
-					// content length provided.
-					if s.bytesRead != s.contentLen {
-						return 0, fmt.Errorf("http: ContentLength=%d with Body length %d", s.contentLen, s.bytesRead)
-					}
-
-					// Sign the chunk and write it to s.buf.
-					s.writeChunk(0, len(s.trailer) == 0)
-					if len(s.trailer) > 0 {
-						// Trailer must be set now.
-						s.addTrailer(s.trailer)
-					}
-					break
-				}
-				return 0, err
-			}
-		}
-	}
-	return s.buf.Read(buf)
-}
-
-// Close - this method makes underlying io.ReadCloser's Close method available.
-func (s *StreamingUSReader) Close() error {
-	return s.baseReadCloser.Close()
-}