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[C2S] Add DPoP (RFC 9449) support for OAuth token binding #2941

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[C2S] Add DPoP (RFC 9449) support for OAuth token binding #2941

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15 changes: 9 additions & 6 deletions includes/oauth/class-authorization-code.php
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Original file line number Diff line number Diff line change
Expand Up @@ -103,13 +103,14 @@ public static function create(
/**
* Exchange authorization code for tokens.
*
* @param string $code The authorization code.
* @param string $client_id The client ID.
* @param string $redirect_uri The redirect URI (must match original).
* @param string $code_verifier The PKCE code verifier.
* @param string $code The authorization code.
* @param string $client_id The client ID.
* @param string $redirect_uri The redirect URI (must match original).
* @param string $code_verifier The PKCE code verifier.
* @param string|null $dpop_jkt Optional DPoP JWK thumbprint for proof-of-possession binding.
* @return array|\WP_Error Token data or error.
*/
public static function exchange( $code, $client_id, $redirect_uri, $code_verifier ) {
public static function exchange( $code, $client_id, $redirect_uri, $code_verifier, $dpop_jkt = null ) {
$code_hash = self::hash_code( $code );
$transient = self::TRANSIENT_PREFIX . $code_hash;
$code_data = \get_transient( $transient );
Expand Down Expand Up @@ -168,7 +169,9 @@ public static function exchange( $code, $client_id, $redirect_uri, $code_verifie
return Token::create(
$code_data['user_id'],
$client_id,
$code_data['scopes']
$code_data['scopes'],
Token::DEFAULT_EXPIRATION,
$dpop_jkt
);
}

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