1 files changed, 0 insertions, 69 deletions
diff --git a/vendor/golang.org/x/oauth2/pkce.go b/vendor/golang.org/x/oauth2/pkce.go
deleted file mode 100644
index cea8374d5..000000000
--- a/vendor/golang.org/x/oauth2/pkce.go
+++ /dev/null
@@ -1,69 +0,0 @@
-// Copyright 2023 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package oauth2
-
-import (
-	"crypto/rand"
-	"crypto/sha256"
-	"encoding/base64"
-	"net/url"
-)
-
-const (
-	codeChallengeKey       = "code_challenge"
-	codeChallengeMethodKey = "code_challenge_method"
-	codeVerifierKey        = "code_verifier"
-)
-
-// GenerateVerifier generates a PKCE code verifier with 32 octets of randomness.
-// This follows recommendations in RFC 7636.
-//
-// A fresh verifier should be generated for each authorization.
-// The resulting verifier should be passed to [Config.AuthCodeURL] or [Config.DeviceAuth]
-// with [S256ChallengeOption], and to [Config.Exchange] or [Config.DeviceAccessToken]
-// with [VerifierOption].
-func GenerateVerifier() string {
-	// "RECOMMENDED that the output of a suitable random number generator be
-	// used to create a 32-octet sequence.  The octet sequence is then
-	// base64url-encoded to produce a 43-octet URL-safe string to use as the
-	// code verifier."
-	// https://datatracker.ietf.org/doc/html/rfc7636#section-4.1
-	data := make([]byte, 32)
-	if _, err := rand.Read(data); err != nil {
-		panic(err)
-	}
-	return base64.RawURLEncoding.EncodeToString(data)
-}
-
-// VerifierOption returns a PKCE code verifier [AuthCodeOption]. It should only be
-// passed to [Config.Exchange] or [Config.DeviceAccessToken].
-func VerifierOption(verifier string) AuthCodeOption {
-	return setParam{k: codeVerifierKey, v: verifier}
-}
-
-// S256ChallengeFromVerifier returns a PKCE code challenge derived from verifier with method S256.
-//
-// Prefer to use [S256ChallengeOption] where possible.
-func S256ChallengeFromVerifier(verifier string) string {
-	sha := sha256.Sum256([]byte(verifier))
-	return base64.RawURLEncoding.EncodeToString(sha[:])
-}
-
-// S256ChallengeOption derives a PKCE code challenge derived from verifier with
-// method S256. It should be passed to [Config.AuthCodeURL] or [Config.DeviceAuth]
-// only.
-func S256ChallengeOption(verifier string) AuthCodeOption {
-	return challengeOption{
-		challenge_method: "S256",
-		challenge:        S256ChallengeFromVerifier(verifier),
-	}
-}
-
-type challengeOption struct{ challenge_method, challenge string }
-
-func (p challengeOption) setValue(m url.Values) {
-	m.Set(codeChallengeMethodKey, p.challenge_method)
-	m.Set(codeChallengeKey, p.challenge)
-}