1 files changed, 0 insertions, 75 deletions
diff --git a/vendor/google.golang.org/grpc/internal/credentials/spiffe.go b/vendor/google.golang.org/grpc/internal/credentials/spiffe.go
deleted file mode 100644
index 25ade6230..000000000
--- a/vendor/google.golang.org/grpc/internal/credentials/spiffe.go
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- *
- * Copyright 2020 gRPC authors.
- *
- * 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 credentials defines APIs for parsing SPIFFE ID.
-//
-// All APIs in this package are experimental.
-package credentials
-
-import (
-	"crypto/tls"
-	"crypto/x509"
-	"net/url"
-
-	"google.golang.org/grpc/grpclog"
-)
-
-var logger = grpclog.Component("credentials")
-
-// SPIFFEIDFromState parses the SPIFFE ID from State. If the SPIFFE ID format
-// is invalid, return nil with warning.
-func SPIFFEIDFromState(state tls.ConnectionState) *url.URL {
-	if len(state.PeerCertificates) == 0 || len(state.PeerCertificates[0].URIs) == 0 {
-		return nil
-	}
-	return SPIFFEIDFromCert(state.PeerCertificates[0])
-}
-
-// SPIFFEIDFromCert parses the SPIFFE ID from x509.Certificate. If the SPIFFE
-// ID format is invalid, return nil with warning.
-func SPIFFEIDFromCert(cert *x509.Certificate) *url.URL {
-	if cert == nil || cert.URIs == nil {
-		return nil
-	}
-	var spiffeID *url.URL
-	for _, uri := range cert.URIs {
-		if uri == nil || uri.Scheme != "spiffe" || uri.Opaque != "" || (uri.User != nil && uri.User.Username() != "") {
-			continue
-		}
-		// From this point, we assume the uri is intended for a SPIFFE ID.
-		if len(uri.String()) > 2048 {
-			logger.Warning("invalid SPIFFE ID: total ID length larger than 2048 bytes")
-			return nil
-		}
-		if len(uri.Host) == 0 || len(uri.Path) == 0 {
-			logger.Warning("invalid SPIFFE ID: domain or workload ID is empty")
-			return nil
-		}
-		if len(uri.Host) > 255 {
-			logger.Warning("invalid SPIFFE ID: domain length larger than 255 characters")
-			return nil
-		}
-		// A valid SPIFFE certificate can only have exactly one URI SAN field.
-		if len(cert.URIs) > 1 {
-			logger.Warning("invalid SPIFFE ID: multiple URI SANs")
-			return nil
-		}
-		spiffeID = uri
-	}
-	return spiffeID
-}