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feat: [OAuth2] Set token_format=jwt for NAMED_USER_CURRENT_TENANT IAS token exchange #1112

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feat: [OAuth2] Set token_format=jwt for NAMED_USER_CURRENT_TENANT IAS token exchange #1112

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feat: [OAuth2] Set `token_format=jwt` for `NAMED_USER_CURRENT_TENANT`…
CharlesDuboisSAP Mar 6, 2026
873f488
release notes
CharlesDuboisSAP Mar 6, 2026
7d00b1e
format
CharlesDuboisSAP Mar 6, 2026
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22 changes: 9 additions & 13 deletions ...ivity-oauth/src/main/java/com/sap/cloud/sdk/cloudplatform/connectivity/OAuth2Service.java
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Original file line number Diff line number Diff line change
Expand Up @@ -148,18 +148,13 @@ String retrieveAccessToken()
onBehalfOf,
identity.getId());

final OAuth2TokenResponse tokenResponse = ResilienceDecorator.executeSupplier(() -> {
switch( onBehalfOf ) {
case TECHNICAL_USER_PROVIDER:
return executeClientCredentialsFlow(null);
case TECHNICAL_USER_CURRENT_TENANT:
final Tenant tenant = TenantAccessor.tryGetCurrentTenant().getOrNull();
return executeClientCredentialsFlow(tenant);
case NAMED_USER_CURRENT_TENANT:
return executeUserExchangeFlow();
default:
throw new IllegalStateException("Unknown behalf " + onBehalfOf);
}
final OAuth2TokenResponse tokenResponse = ResilienceDecorator.executeSupplier(() -> switch (onBehalfOf) {
case TECHNICAL_USER_PROVIDER -> executeClientCredentialsFlow(null);
case TECHNICAL_USER_CURRENT_TENANT -> {
final Tenant tenant = TenantAccessor.tryGetCurrentTenant().getOrNull();
yield executeClientCredentialsFlow(tenant);
}
case NAMED_USER_CURRENT_TENANT -> executeUserExchangeFlow();
}, resilienceConfiguration);

if( tokenResponse == null ) {
Expand Down Expand Up @@ -231,6 +226,7 @@ private void setAppTidInCaseOfIAS( @Nullable final String tenantId )
if( onBehalfOf == OnBehalfOf.NAMED_USER_CURRENT_TENANT ) {
// workaround until a fix is provided by IAS
additionalParameters.put("refresh_expiry", "0");
additionalParameters.put("token_format", "jwt");
}
}
}
Expand Down Expand Up @@ -475,6 +471,6 @@ OAuth2Service build()
enum TenantPropagationStrategy
{
TENANT_SUBDOMAIN,
ZID_HEADER;
ZID_HEADER
}
}
1 change: 1 addition & 0 deletions release_notes.md
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Expand Up @@ -10,6 +10,7 @@

- [Connectivity Destination Service] Migrated to Apache Httpclient 5.
- The replacement for `HttpClientAccessor` is `ApacheHttpClient5Accessor`
- [OAuth2] Set `token_format=jwt` for `NAMED_USER_CURRENT_TENANT` IAS token exchange.

### ✨ New Functionality

Expand Down