From 06dfb45c3954954c85dc9f75636140e15ab5c430 Mon Sep 17 00:00:00 2001
From: Lex Cao <lexcao@foxmail.com>
Date: Wed, 15 Jun 2022 02:46:35 +0800
Subject: [PATCH] Remove non-standard `code_challenge_method` from token
 request for IDP (#12473)

Closes #12141
---
 .../broker/oidc/AbstractOAuth2IdentityProvider.java        | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/services/src/main/java/org/keycloak/broker/oidc/AbstractOAuth2IdentityProvider.java b/services/src/main/java/org/keycloak/broker/oidc/AbstractOAuth2IdentityProvider.java
index b37d7f3953..0b2a286d03 100755
--- a/services/src/main/java/org/keycloak/broker/oidc/AbstractOAuth2IdentityProvider.java
+++ b/services/src/main/java/org/keycloak/broker/oidc/AbstractOAuth2IdentityProvider.java
@@ -372,8 +372,8 @@ public abstract class AbstractOAuth2IdentityProvider<C extends OAuth2IdentityPro
     }
 
     /**
-     * Get JSON property as text. JSON numbers and booleans are converted to text. Empty string is converted to null. 
-     * 
+     * Get JSON property as text. JSON numbers and booleans are converted to text. Empty string is converted to null.
+     *
      * @param jsonNode to get property from
      * @param name of property to get
      * @return string value of the property or null.
@@ -570,12 +570,11 @@ public abstract class AbstractOAuth2IdentityProvider<C extends OAuth2IdentityPro
                 }
 
                 tokenRequest.param(OAuth2Constants.CODE_VERIFIER, brokerCodeChallenge);
-                tokenRequest.param(OAuth2Constants.CODE_CHALLENGE_METHOD, getConfig().getPkceMethod());
             }
 
             return authenticateTokenRequest(tokenRequest);
         }
-        
+
     }
 
     protected String getProfileEndpointForValidation(EventBuilder event) {