vendor: delete

3 files changed, 0 insertions, 521 deletions

diff --git a/vendor/github.com/googleapis/enterprise-certificate-proxy/LICENSE b/vendor/github.com/googleapis/enterprise-certificate-proxy/LICENSE
deleted file mode 100644
index d64569567..000000000
--- a/vendor/github.com/googleapis/enterprise-certificate-proxy/LICENSE
+++ /dev/null
@@ -1,202 +0,0 @@
-
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diff --git a/vendor/github.com/googleapis/enterprise-certificate-proxy/client/client.go b/vendor/github.com/googleapis/enterprise-certificate-proxy/client/client.go
deleted file mode 100644
index ea5beb5aa..000000000
--- a/vendor/github.com/googleapis/enterprise-certificate-proxy/client/client.go
+++ /dev/null
@@ -1,219 +0,0 @@
-// Copyright 2022 Google LLC.
-// 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
-//
-//     https://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 client is a cross-platform client for the signer binary (a.k.a."EnterpriseCertSigner").
-//
-// The signer binary is OS-specific, but exposes a standard set of APIs for the client to use.
-package client
-
-import (
-	"crypto"
-	"crypto/ecdsa"
-	"crypto/rsa"
-	"crypto/x509"
-	"encoding/gob"
-	"errors"
-	"fmt"
-	"io"
-	"net/rpc"
-	"os"
-	"os/exec"
-
-	"github.com/googleapis/enterprise-certificate-proxy/client/util"
-)
-
-const signAPI = "EnterpriseCertSigner.Sign"
-const certificateChainAPI = "EnterpriseCertSigner.CertificateChain"
-const publicKeyAPI = "EnterpriseCertSigner.Public"
-const encryptAPI = "EnterpriseCertSigner.Encrypt"
-const decryptAPI = "EnterpriseCertSigner.Decrypt"
-
-// A Connection wraps a pair of unidirectional streams as an io.ReadWriteCloser.
-type Connection struct {
-	io.ReadCloser
-	io.WriteCloser
-}
-
-// Close closes c's underlying ReadCloser and WriteCloser.
-func (c *Connection) Close() error {
-	rerr := c.ReadCloser.Close()
-	werr := c.WriteCloser.Close()
-	if rerr != nil {
-		return rerr
-	}
-	return werr
-}
-
-func init() {
-	gob.Register(crypto.SHA256)
-	gob.Register(crypto.SHA384)
-	gob.Register(crypto.SHA512)
-	gob.Register(&rsa.PSSOptions{})
-	gob.Register(&rsa.OAEPOptions{})
-}
-
-// SignArgs contains arguments for a Sign API call.
-type SignArgs struct {
-	Digest []byte            // The content to sign.
-	Opts   crypto.SignerOpts // Options for signing. Must implement HashFunc().
-}
-
-// EncryptArgs contains arguments for an Encrypt API call.
-type EncryptArgs struct {
-	Plaintext []byte // The plaintext to encrypt.
-	Opts      any    // Options for encryption. Ex: an instance of crypto.Hash.
-}
-
-// DecryptArgs contains arguments to for a Decrypt API call.
-type DecryptArgs struct {
-	Ciphertext []byte               // The ciphertext to decrypt.
-	Opts       crypto.DecrypterOpts // Options for decryption. Ex: an instance of *rsa.OAEPOptions.
-}
-
-// Key implements credential.Credential by holding the executed signer subprocess.
-type Key struct {
-	cmd       *exec.Cmd        // Pointer to the signer subprocess.
-	client    *rpc.Client      // Pointer to the rpc client that communicates with the signer subprocess.
-	publicKey crypto.PublicKey // Public key of loaded certificate.
-	chain     [][]byte         // Certificate chain of loaded certificate.
-}
-
-// CertificateChain returns the credential as a raw X509 cert chain. This contains the public key.
-func (k *Key) CertificateChain() [][]byte {
-	return k.chain
-}
-
-// Close closes the RPC connection and kills the signer subprocess.
-// Call this to free up resources when the Key object is no longer needed.
-func (k *Key) Close() error {
-	if err := k.cmd.Process.Kill(); err != nil {
-		return fmt.Errorf("failed to kill signer process: %w", err)
-	}
-	// Wait for cmd to exit and release resources. Since the process is forcefully killed, this
-	// will return a non-nil error (varies by OS), which we will ignore.
-	_ = k.cmd.Wait()
-	// The Pipes connecting the RPC client should have been closed when the signer subprocess was killed.
-	// Calling `k.client.Close()` before `k.cmd.Process.Kill()` or `k.cmd.Wait()` _will_ cause a segfault.
-	if err := k.client.Close(); err.Error() != "close |0: file already closed" {
-		return fmt.Errorf("failed to close RPC connection: %w", err)
-	}
-	return nil
-}
-
-// Public returns the public key for this Key.
-func (k *Key) Public() crypto.PublicKey {
-	return k.publicKey
-}
-
-// Sign signs a message digest, using the specified signer opts. Implements crypto.Signer interface.
-func (k *Key) Sign(_ io.Reader, digest []byte, opts crypto.SignerOpts) (signed []byte, err error) {
-	if opts != nil && opts.HashFunc() != 0 && len(digest) != opts.HashFunc().Size() {
-		return nil, fmt.Errorf("Digest length of %v bytes does not match Hash function size of %v bytes", len(digest), opts.HashFunc().Size())
-	}
-	err = k.client.Call(signAPI, SignArgs{Digest: digest, Opts: opts}, &signed)
-	return
-}
-
-// Encrypt encrypts a plaintext msg into ciphertext, using the specified encrypt opts.
-func (k *Key) Encrypt(_ io.Reader, msg []byte, opts any) (ciphertext []byte, err error) {
-	err = k.client.Call(encryptAPI, EncryptArgs{Plaintext: msg, Opts: opts}, &ciphertext)
-	return
-}
-
-// Decrypt decrypts a ciphertext msg into plaintext, using the specified decrypter opts. Implements crypto.Decrypter interface.
-func (k *Key) Decrypt(_ io.Reader, msg []byte, opts crypto.DecrypterOpts) (plaintext []byte, err error) {
-	err = k.client.Call(decryptAPI, DecryptArgs{Ciphertext: msg, Opts: opts}, &plaintext)
-	return
-}
-
-// ErrCredUnavailable is a sentinel error that indicates ECP Cred is unavailable,
-// possibly due to missing config or missing binary path.
-var ErrCredUnavailable = errors.New("Cred is unavailable")
-
-// Cred spawns a signer subprocess that listens on stdin/stdout to perform certificate
-// related operations, including signing messages with the private key.
-//
-// The signer binary path is read from the specified configFilePath, if provided.
-// Otherwise, use the default config file path.
-//
-// The config file also specifies which certificate the signer should use.
-func Cred(configFilePath string) (*Key, error) {
-	if configFilePath == "" {
-		envFilePath := util.GetConfigFilePathFromEnv()
-		if envFilePath != "" {
-			configFilePath = envFilePath
-		} else {
-			configFilePath = util.GetDefaultConfigFilePath()
-		}
-	}
-	enterpriseCertSignerPath, err := util.LoadSignerBinaryPath(configFilePath)
-	if err != nil {
-		if errors.Is(err, util.ErrConfigUnavailable) {
-			return nil, ErrCredUnavailable
-		}
-		return nil, err
-	}
-	k := &Key{
-		cmd: exec.Command(enterpriseCertSignerPath, configFilePath),
-	}
-
-	// Redirect errors from subprocess to parent process.
-	k.cmd.Stderr = os.Stderr
-
-	// RPC client will communicate with subprocess over stdin/stdout.
-	kin, err := k.cmd.StdinPipe()
-	if err != nil {
-		return nil, err
-	}
-	kout, err := k.cmd.StdoutPipe()
-	if err != nil {
-		return nil, err
-	}
-	k.client = rpc.NewClient(&Connection{kout, kin})
-
-	if err := k.cmd.Start(); err != nil {
-		return nil, fmt.Errorf("starting enterprise cert signer subprocess: %w", err)
-	}
-
-	if err := k.client.Call(certificateChainAPI, struct{}{}, &k.chain); err != nil {
-		return nil, fmt.Errorf("failed to retrieve certificate chain: %w", err)
-	}
-
-	var publicKeyBytes []byte
-	if err := k.client.Call(publicKeyAPI, struct{}{}, &publicKeyBytes); err != nil {
-		return nil, fmt.Errorf("failed to retrieve public key: %w", err)
-	}
-
-	publicKey, err := x509.ParsePKIXPublicKey(publicKeyBytes)
-	if err != nil {
-		return nil, fmt.Errorf("failed to parse public key: %w", err)
-	}
-
-	var ok bool
-	k.publicKey, ok = publicKey.(crypto.PublicKey)
-	if !ok {
-		return nil, fmt.Errorf("invalid public key type: %T", publicKey)
-	}
-
-	switch pub := k.publicKey.(type) {
-	case *rsa.PublicKey:
-		if pub.Size() < 256 {
-			return nil, fmt.Errorf("RSA modulus size is less than 2048 bits: %v", pub.Size()*8)
-		}
-	case *ecdsa.PublicKey:
-	default:
-		return nil, fmt.Errorf("unsupported public key type: %v", pub)
-	}
-
-	return k, nil
-}
diff --git a/vendor/github.com/googleapis/enterprise-certificate-proxy/client/util/util.go b/vendor/github.com/googleapis/enterprise-certificate-proxy/client/util/util.go
deleted file mode 100644
index f374a7f55..000000000
--- a/vendor/github.com/googleapis/enterprise-certificate-proxy/client/util/util.go
+++ /dev/null
@@ -1,100 +0,0 @@
-// Copyright 2022 Google LLC.
-// 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
-//
-//     https://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 util provides helper functions for the client.
-package util
-
-import (
-	"encoding/json"
-	"errors"
-	"io"
-	"os"
-	"os/user"
-	"path/filepath"
-	"runtime"
-	"strings"
-)
-
-const configFileName = "certificate_config.json"
-
-// EnterpriseCertificateConfig contains parameters for initializing signer.
-type EnterpriseCertificateConfig struct {
-	Libs Libs `json:"libs"`
-}
-
-// Libs specifies the locations of helper libraries.
-type Libs struct {
-	ECP string `json:"ecp"`
-}
-
-// ErrConfigUnavailable is a sentinel error that indicates ECP config is unavailable,
-// possibly due to entire config missing or missing binary path.
-var ErrConfigUnavailable = errors.New("Config is unavailable")
-
-// LoadSignerBinaryPath retrieves the path of the signer binary from the config file.
-func LoadSignerBinaryPath(configFilePath string) (path string, err error) {
-	jsonFile, err := os.Open(configFilePath)
-	if err != nil {
-		if errors.Is(err, os.ErrNotExist) {
-			return "", ErrConfigUnavailable
-		}
-		return "", err
-	}
-
-	byteValue, err := io.ReadAll(jsonFile)
-	if err != nil {
-		return "", err
-	}
-	var config EnterpriseCertificateConfig
-	err = json.Unmarshal(byteValue, &config)
-	if err != nil {
-		return "", err
-	}
-	signerBinaryPath := config.Libs.ECP
-	if signerBinaryPath == "" {
-		return "", ErrConfigUnavailable
-	}
-
-	signerBinaryPath = strings.ReplaceAll(signerBinaryPath, "~", guessHomeDir())
-	signerBinaryPath = strings.ReplaceAll(signerBinaryPath, "$HOME", guessHomeDir())
-	return signerBinaryPath, nil
-}
-
-func guessHomeDir() string {
-	// Prefer $HOME over user.Current due to glibc bug: golang.org/issue/13470
-	if v := os.Getenv("HOME"); v != "" {
-		return v
-	}
-	// Else, fall back to user.Current:
-	if u, err := user.Current(); err == nil {
-		return u.HomeDir
-	}
-	return ""
-}
-
-func getDefaultConfigFileDirectory() (directory string) {
-	if runtime.GOOS == "windows" {
-		return filepath.Join(os.Getenv("APPDATA"), "gcloud")
-	}
-	return filepath.Join(guessHomeDir(), ".config/gcloud")
-}
-
-// GetDefaultConfigFilePath returns the default path of the enterprise certificate config file created by gCloud.
-func GetDefaultConfigFilePath() (path string) {
-	return filepath.Join(getDefaultConfigFileDirectory(), configFileName)
-}
-
-// GetConfigFilePathFromEnv returns the path associated with environment variable GOOGLE_API_CERTIFICATE_CONFIG
-func GetConfigFilePathFromEnv() (path string) {
-	return os.Getenv("GOOGLE_API_CERTIFICATE_CONFIG")
-}