GitHub user kormpakis added a comment to the discussion: Apache Superset &
Keycloak integration
> To resolve the issue where, after entering credentials on the Keycloak page,
> you are redirected back to Apache Superset with the message: "The request to
> sign in was denied," you need to ensure that the OAuth2 flow is correctly
> configured and that the necessary permissions are granted.
>
> Here are some steps you can take to troubleshoot and resolve the issue:
>
> 1. **Check Redirect URI**: Ensure that the `redirect_uri` configured in
> Keycloak matches the one expected by Superset. The `redirect_uri` should be
> correctly set in both Keycloak and Superset configurations.
> 2. **Verify OAuth2 Configuration**: Make sure that the OAuth2 client
> configuration in Keycloak is correct. This includes the client ID, client
> secret, and the allowed redirect URIs.
> 3. **Inspect Browser Console and Network Logs**: Look at the browser console
> and network logs to see if there are any errors or warnings that can provide
> more details about why the sign-in request was denied.
> 4. **Check Superset Logs**: Review the Superset logs for any error messages
> or warnings related to the OAuth2 authentication process. This can provide
> more insight into what might be going wrong.
> 5. **Ensure Correct Permissions**: Verify that the user has the necessary
> permissions in Keycloak to access the application.
> 6. **Cross-Origin Requests**: Ensure that cross-origin requests are properly
> handled and that the `event.origin` and `event.source` checks in the
> `handleMessage` function are correctly validating the message source.
>
> Here is the relevant part of the code that handles the OAuth2 redirect and
> message validation:
>
> ```tsx
> const handleMessage = (event: MessageEvent) => {
> const redirectUrl = new URL(extra.redirect_uri);
> if (
> event.origin === redirectUrl.origin &&
> event.data.tabId === extra.tab_id &&
> event.source === oAuthTab.current
> ) {
> if (source === 'sqllab' && query) {
> dispatch(reRunQuery(query));
> } else if (source === 'explore' && chartId) {
> dispatch(triggerQuery(true, chartId));
> } else if (source === 'dashboard') {
> dispatch(onRefresh(chartList, true, 0, dashboardId));
> }
> }
> };
> ```
>
> Ensure that the `redirect_uri`, `tab_id`, and `event.origin` are correctly
> set and match the expected values. This validation is crucial for the OAuth2
> flow to succeed
> [[1]](https://github.com/apache/superset/blob/master/superset-frontend/src/components/ErrorMessage/OAuth2RedirectMessage.tsx).
>
> Additionally, review the specific error messages or logs generated by
> Superset when the OAuth2 authentication fails. The relevant error messages
> are:
>
> 1. **OAuth2RedirectError**:
> ```python
> SupersetError(
> message="You don't have permission to access the data.",
> error_type=SupersetErrorType.OAUTH2_REDIRECT,
> level=ErrorLevel.WARNING,
> extra={"url": url, "tab_id": tab_id, "redirect_uri": redirect_uri},
> )
> ```
> 2. **OAuth2Error**:
> ```python
> SupersetError(
> message="Something went wrong while doing OAuth2",
> error_type=SupersetErrorType.OAUTH2_REDIRECT_ERROR,
> level=ErrorLevel.ERROR,
> extra={"error": error},
> )
>
> <sup>[[2]](https://github.com/apache/superset/blob/master/superset/exceptions.py)</sup><sup>[[3]](https://github.com/apache/superset/blob/master/superset/errors.py)</sup>
> ```
>
> By following these steps and ensuring that the configurations are correct,
> you should be able to resolve the issue and successfully authenticate using
> Keycloak with Apache Superset.
>
> _To continue talking to [Dosu](https://dosu.dev), mention @dosu._
This is like a ChatGPT reply, lol.
GitHub link:
https://github.com/apache/superset/discussions/33623#discussioncomment-13315428
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