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authhandler: Add support for PKCE

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- Added new TokenSourceWithPKCE function to authhandler package.
- Updated Token method to support PKCE flow, sending code challenge and challenge method on the auth-code request, and sending code verifier on the exchange request.
- Updated google/default.go to support PKCE param.

Change-Id: Iab895bc01407c4742706061753f5329a772068ec
GitHub-Last-Rev: c1fddd28bc
GitHub-Pull-Request: golang/oauth2#568
Reviewed-on: https://go-review.googlesource.com/c/oauth2/+/410515
Run-TryBot: Cody Oss <codyoss@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Shin Fan <shinfan@google.com>
Reviewed-by: Cody Oss <codyoss@google.com>
This commit is contained in:
Andy Zhao
2022-06-09 18:27:12 +00:00
committed by Cody Oss
parent d0670ef3b1
commit fd043fe589
3 changed files with 105 additions and 6 deletions
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9
google/default.go
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@@ -54,11 +54,14 @@ type CredentialsParams struct {
// Optional.
Subject string
// AuthHandler is the AuthorizationHandler used for 3-legged OAuth flow. Optional.
// AuthHandler is the AuthorizationHandler used for 3-legged OAuth flow. Required for 3LO flow.
AuthHandler authhandler.AuthorizationHandler
// State is a unique string used with AuthHandler. Optional.
// State is a unique string used with AuthHandler. Required for 3LO flow.
State string
// PKCE is used to support PKCE flow. Optional for 3LO flow.
PKCE *authhandler.PKCEParams
}
func (params CredentialsParams) deepCopy() CredentialsParams {
@@ -176,7 +179,7 @@ func CredentialsFromJSONWithParams(ctx context.Context, jsonData []byte, params
if config != nil {
return &Credentials{
ProjectID: "",
TokenSource: authhandler.TokenSource(ctx, config, params.State, params.AuthHandler),
TokenSource: authhandler.TokenSourceWithPKCE(ctx, config, params.State, params.AuthHandler, params.PKCE),
JSON: jsonData,
}, nil
}