Update dependencies

vendor/github.com/minio/minio-go/pkg/s3signer/request-signature-streaming.go

@@ -99,7 +99,7 @@ func prepareStreamingRequest(req *http.Request, sessionToken string, dataLen int
 	if sessionToken != "" {
 		req.Header.Set("X-Amz-Security-Token", sessionToken)
 	}
-	req.Header.Set("Content-Encoding", streamingEncoding)
+	req.Header.Add("Content-Encoding", streamingEncoding)
 	req.Header.Set("X-Amz-Date", timestamp.Format(iso8601DateFormat))
 
 	// Set content length with streaming signature for each chunk included.

vendor/github.com/minio/minio-go/pkg/s3signer/request-signature-v2.go

@@ -42,9 +42,7 @@ const (
 func encodeURL2Path(u *url.URL) (path string) {
 	// Encode URL path.
 	if isS3, _ := filepath.Match("*.s3*.amazonaws.com", u.Host); isS3 {
-		hostSplits := strings.SplitN(u.Host, ".", 4)
-		// First element is the bucket name.
-		bucketName := hostSplits[0]
+		bucketName := u.Host[:strings.LastIndex(u.Host, ".s3")]
 		path = "/" + bucketName
 		path += u.Path
 		path = s3utils.EncodePath(path)

vendor/github.com/minio/minio-go/pkg/s3signer/utils_test.go

@@ -25,6 +25,7 @@ import (
 // Tests url encoding.
 func TestEncodeURL2Path(t *testing.T) {
 	type urlStrings struct {
+		bucketName     string
 		objName        string
 		encodedObjName string
 	}
@@ -32,22 +33,27 @@ func TestEncodeURL2Path(t *testing.T) {
 	bucketName := "bucketName"
 	want := []urlStrings{
 		{
+			bucketName:     "bucketName",
 			objName:        "本語",
 			encodedObjName: "%E6%9C%AC%E8%AA%9E",
 		},
 		{
+			bucketName:     "bucketName",
 			objName:        "本語.1",
 			encodedObjName: "%E6%9C%AC%E8%AA%9E.1",
 		},
 		{
 			objName:        ">123>3123123",
+			bucketName:     "bucketName",
 			encodedObjName: "%3E123%3E3123123",
 		},
 		{
+			bucketName:     "bucketName",
 			objName:        "test 1 2.txt",
 			encodedObjName: "test%201%202.txt",
 		},
 		{
+			bucketName:     "test.bucketName",
 			objName:        "test++ 1.txt",
 			encodedObjName: "test%2B%2B%201.txt",
 		},
@@ -63,4 +69,5 @@ func TestEncodeURL2Path(t *testing.T) {
 			t.Fatal("Error")
 		}
 	}
+
 }

vendor/github.com/minio/minio-go/pkg/s3utils/utils.go

@@ -80,6 +80,9 @@ func IsVirtualHostSupported(endpointURL url.URL, bucketName string) bool {
 	return IsAmazonEndpoint(endpointURL) || IsGoogleEndpoint(endpointURL)
 }
 
+// AmazonS3Host - regular expression used to determine if an arg is s3 host.
+var AmazonS3Host = regexp.MustCompile("^s3[.-]?(.*?)\\.amazonaws\\.com$")
+
 // IsAmazonEndpoint - Match if it is exactly Amazon S3 endpoint.
 func IsAmazonEndpoint(endpointURL url.URL) bool {
 	if IsAmazonChinaEndpoint(endpointURL) {
@@ -88,7 +91,7 @@ func IsAmazonEndpoint(endpointURL url.URL) bool {
 	if IsAmazonGovCloudEndpoint(endpointURL) {
 		return true
 	}
-	return endpointURL.Host == "s3.amazonaws.com"
+	return AmazonS3Host.MatchString(endpointURL.Host)
 }
 
 // IsAmazonGovCloudEndpoint - Match if it is exactly Amazon S3 GovCloud endpoint.
@@ -205,7 +208,7 @@ func EncodePath(pathName string) string {
 // We support '.' with bucket names but we fallback to using path
 // style requests instead for such buckets.
 var (
-	validBucketName       = regexp.MustCompile(`^[A-Za-z0-9][A-Za-z0-9\.\-]{1,61}[A-Za-z0-9]$`)
+	validBucketName       = regexp.MustCompile(`^[A-Za-z0-9][A-Za-z0-9\.\-\_\:]{1,61}[A-Za-z0-9]$`)
 	validBucketNameStrict = regexp.MustCompile(`^[a-z0-9][a-z0-9\.\-]{1,61}[a-z0-9]$`)
 	ipAddress             = regexp.MustCompile(`^(\d+\.){3}\d+$`)
 )
@@ -240,14 +243,13 @@ func checkBucketNameCommon(bucketName string, strict bool) (err error) {
 }
 
 // CheckValidBucketName - checks if we have a valid input bucket name.
-// This is a non stricter version.
-// - http://docs.aws.amazon.com/AmazonS3/latest/dev/UsingBucket.html
 func CheckValidBucketName(bucketName string) (err error) {
 	return checkBucketNameCommon(bucketName, false)
 }
 
 // CheckValidBucketNameStrict - checks if we have a valid input bucket name.
 // This is a stricter version.
+// - http://docs.aws.amazon.com/AmazonS3/latest/dev/UsingBucket.html
 func CheckValidBucketNameStrict(bucketName string) (err error) {
 	return checkBucketNameCommon(bucketName, true)
 }

vendor/github.com/minio/minio-go/pkg/s3utils/utils_test.go

@@ -301,10 +301,14 @@ func TestIsValidBucketName(t *testing.T) {
 		{"", errors.New("Bucket name cannot be empty"), false},
 		{"my..bucket", errors.New("Bucket name contains invalid characters"), false},
 		{"192.168.1.168", errors.New("Bucket name cannot be an ip address"), false},
+		{":bucketname", errors.New("Bucket name contains invalid characters"), false},
+		{"_bucketName", errors.New("Bucket name contains invalid characters"), false},
 		{"my.bucket.com", nil, true},
 		{"my-bucket", nil, true},
 		{"123my-bucket", nil, true},
 		{"Mybucket", nil, true},
+		{"My_bucket", nil, true},
+		{"My:bucket", nil, true},
 	}
 
 	for i, testCase := range testCases {