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/*
* MinIO Go Library for Amazon S3 Compatible Cloud Storage
* Copyright 2017 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"
"crypto/sha256"
"encoding/hex"
"hash"
"io"
"net/http"
"testing"
"time"
md5simd "github.com/minio/md5-simd"
)
// hashWrapper implements the md5simd.Hasher interface.
type hashWrapper struct {
hash.Hash
}
func newSHA256Hasher() md5simd.Hasher {
return &hashWrapper{Hash: sha256.New()}
}
func (m *hashWrapper) Close() {
m.Hash = nil
}
func sum256hex(data []byte) string {
hash := sha256.New()
hash.Write(data)
return hex.EncodeToString(hash.Sum(nil))
}
func TestGetSeedSignature(t *testing.T) {
accessKeyID := "AKIAIOSFODNN7EXAMPLE"
secretAccessKeyID := "wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY"
dataLen := 66560
data := bytes.Repeat([]byte("a"), dataLen)
body := io.NopCloser(bytes.NewReader(data))
req := NewRequest(http.MethodPut, "/examplebucket/chunkObject.txt", body)
req.Header.Set("x-amz-storage-class", "REDUCED_REDUNDANCY")
req.Host = "s3.amazonaws.com"
reqTime, err := time.Parse("20060102T150405Z", "20130524T000000Z")
if err != nil {
t.Fatalf("Failed to parse time - %v", err)
}
req = StreamingSignV4(req, accessKeyID, secretAccessKeyID, "", "us-east-1", int64(dataLen), reqTime, newSHA256Hasher())
actualSeedSignature := req.Body.(*StreamingReader).seedSignature
expectedSeedSignature := "38cab3af09aa15ddf29e26e36236f60fb6bfb6243a20797ae9a8183674526079"
if actualSeedSignature != expectedSeedSignature {
t.Errorf("Expected %s but received %s", expectedSeedSignature, actualSeedSignature)
}
}
func TestChunkSignature(t *testing.T) {
chunkData := bytes.Repeat([]byte("a"), 65536)
reqTime, _ := time.Parse(iso8601DateFormat, "20130524T000000Z")
previousSignature := "4f232c4386841ef735655705268965c44a0e4690baa4adea153f7db9fa80a0a9"
location := "us-east-1"
secretAccessKeyID := "wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY"
expectedSignature := "ad80c730a21e5b8d04586a2213dd63b9a0e99e0e2307b0ade35a65485a288648"
chunkCheckSum := sum256hex(chunkData)
actualSignature := buildChunkSignature(chunkCheckSum, reqTime, location, previousSignature, secretAccessKeyID)
if actualSignature != expectedSignature {
t.Errorf("Expected %s but received %s", expectedSignature, actualSignature)
}
}
// Example on https://docs.aws.amazon.com/AmazonS3/latest/API/sigv4-streaming-trailers.html
func TestTrailerChunkSignature(t *testing.T) {
chunkData := []byte("x-amz-checksum-crc32c:wdBDMA==\n")
reqTime, _ := time.Parse(iso8601DateFormat, "20130524T000000Z")
previousSignature := "e05ab64fe1dfdbf0b5870abbaabdb063c371d4e96f2767e6934d90529c5ae850"
location := "us-east-1"
secretAccessKeyID := "wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY"
expectedSignature := "41e14ac611e27a8bb3d66c3bad6856f209297767d5dd4fc87d8fa9e422e03faf"
chunkCheckSum := sum256hex(chunkData)
actualSignature := buildTrailerChunkSignature(chunkCheckSum, reqTime, location, previousSignature, secretAccessKeyID)
if actualSignature != expectedSignature {
t.Errorf("Expected %s but received %s", expectedSignature, actualSignature)
}
}
func TestSetStreamingAuthorization(t *testing.T) {
location := "us-east-1"
secretAccessKeyID := "wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY"
accessKeyID := "AKIAIOSFODNN7EXAMPLE"
req := NewRequest(http.MethodPut, "/examplebucket/chunkObject.txt", nil)
req.Header.Set("x-amz-storage-class", "REDUCED_REDUNDANCY")
req.Host = ""
req.URL.Host = "s3.amazonaws.com"
dataLen := int64(65 * 1024)
reqTime, _ := time.Parse(iso8601DateFormat, "20130524T000000Z")
req = StreamingSignV4(req, accessKeyID, secretAccessKeyID, "", location, dataLen, reqTime, newSHA256Hasher())
expectedAuthorization := "AWS4-HMAC-SHA256 Credential=AKIAIOSFODNN7EXAMPLE/20130524/us-east-1/s3/aws4_request,SignedHeaders=host;x-amz-content-sha256;x-amz-date;x-amz-decoded-content-length;x-amz-storage-class,Signature=38cab3af09aa15ddf29e26e36236f60fb6bfb6243a20797ae9a8183674526079"
actualAuthorization := req.Header.Get("Authorization")
if actualAuthorization != expectedAuthorization {
t.Errorf("Expected %s but received %s", expectedAuthorization, actualAuthorization)
}
}
// Test against https://docs.aws.amazon.com/AmazonS3/latest/API/sigv4-streaming-trailers.html
func TestSetStreamingAuthorizationTrailer(t *testing.T) {
location := "us-east-1"
secretAccessKeyID := "wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY"
accessKeyID := "AKIAIOSFODNN7EXAMPLE"
req := NewRequest(http.MethodPut, "/examplebucket/chunkObject.txt", nil)
req.Header.Set("Content-Encoding", "aws-chunked")
req.Header.Set("x-amz-decoded-content-length", "66560")
req.Header.Set("x-amz-storage-class", "REDUCED_REDUNDANCY")
req.Host = ""
req.URL.Host = "s3.amazonaws.com"
req.Trailer = http.Header{}
req.Trailer.Set("x-amz-checksum-crc32c", "wdBDMA==")
dataLen := int64(65 * 1024)
reqTime, _ := time.Parse(iso8601DateFormat, "20130524T000000Z")
req = StreamingSignV4(req, accessKeyID, secretAccessKeyID, "", location, dataLen, reqTime, newSHA256Hasher())
// (order of signed headers is different)
expectedAuthorization := "AWS4-HMAC-SHA256 Credential=AKIAIOSFODNN7EXAMPLE/20130524/us-east-1/s3/aws4_request,SignedHeaders=content-encoding;host;x-amz-content-sha256;x-amz-date;x-amz-decoded-content-length;x-amz-storage-class;x-amz-trailer,Signature=106e2a8a18243abcf37539882f36619c00e2dfc72633413f02d3b74544bfeb8e"
actualAuthorization := req.Header.Get("Authorization")
if actualAuthorization != expectedAuthorization {
t.Errorf("Expected \n%s but received \n%s", expectedAuthorization, actualAuthorization)
}
chunkData := []byte("x-amz-checksum-crc32c:wdBDMA==\n")
t.Log(hex.EncodeToString(sum256(chunkData)))
}
func TestStreamingReader(t *testing.T) {
reqTime, _ := time.Parse("20060102T150405Z", "20130524T000000Z")
location := "us-east-1"
secretAccessKeyID := "wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY"
accessKeyID := "AKIAIOSFODNN7EXAMPLE"
dataLen := int64(65 * 1024)
req := NewRequest(http.MethodPut, "/examplebucket/chunkObject.txt", nil)
req.Header.Set("x-amz-storage-class", "REDUCED_REDUNDANCY")
req.ContentLength = 65 * 1024
req.Host = ""
req.URL.Host = "s3.amazonaws.com"
baseReader := io.NopCloser(bytes.NewReader(bytes.Repeat([]byte("a"), 65*1024)))
req.Body = baseReader
req = StreamingSignV4(req, accessKeyID, secretAccessKeyID, "", location, dataLen, reqTime, newSHA256Hasher())
b, err := io.ReadAll(req.Body)
if err != nil {
t.Errorf("Expected no error but received %v %d", err, len(b))
}
req.Body.Close()
}
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