googleapis / googleapis/google-api-java-client-services

Calendar: Additional Scope enforced to be requested when it is not needed

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api: calendar priority: p3 type: bug
主要语言
Java
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描述

#### Environment details

1. Specify the API at the beginning of the title. Calendar API
2. OS type and version: Android target SDK 33
3. Java version: Android 13
4. version(s): com.google.apis:google-api-services-calendar:v3-rev20230707-2.0.0

#### Steps to reproduce

1. Sign-In to Google and request Scope CALENDAR_EVENTS_READONLY =
https://www.googleapis.com/auth/calendar.events.readonly"
2. Retrieve the Calendar Events List for a certain CalendarID
3. Get warning [GoogleAuthUtil] isUserRecoverableError status: NEED_REMOTE_CONSENT, which triggers exception UserRecoverableAuthIOException
4. Upon handling exception, Request_Permission is requesting Scope "https://www.googleapis.com/auth/calendar". This is not needed, as observed in https://developers.google.com/calendar/api/v3/reference/events/list, and selecting only the events.readonly scope

#### Code example (simplified)

```java
GoogleSignInOptions mGoogleSignInOptions = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
.requestEmail()
.requestScopes(new Scope(CalendarScopes.CALENDAR_EVENTS_READONLY)) //https://developers.google.com/identity/protocols/oauth2/scopes#calendar
.build();

// Build a GoogleSignInClient with the options specified by gso.
GoogleSignInClient mGoogleSignInClient = GoogleSignIn.getClient(MainActivity.this, mGoogleSignInOptions);
Intent signInIntent = mGoogleSignInClient.getSignInIntent();
startActivityForResult(signInIntent, SIGN_IN_REQUEST_CODE);

do {
page++;
Events events;
Log.i(appLogTAG, "Sending events request, page "+page);

events = calendarService.events().list(calendarID).execute();

List items = events.getItems();

for (Event event : items) {
//some work
}

pageToken = events.getNextPageToken();
syncToken = events.getNextSyncToken();
} while (pageToken != null);

}catch (UserRecoverableAuthIOException e) {
toastInUI("Error while retrieving data. ");

//request missing permissions
Intent intent = e.getIntent();
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
appContext.startActivity(intent);

} catch (GoogleJsonResponseException e) {
if (e.getStatusCode() == 410) {
// A 410 status code, "Gone", indicates that the sync token is invalid.
Log.e(appLogTAG,"Invalid sync token, clearing event store and re-syncing.");
} else {
throw new RuntimeException(e);
}
}catch (SocketTimeoutException e) {
Log.e(appLogTAG, "Timeout while retrieving data.");
toastInUI("Timeout while retrieving data.");
}catch (IOException e) {
Log.e(appLogTAG, "Unknown error.");
throw new RuntimeException(e);
}

```

#### Stack trace
```
W [GoogleAuthUtil] isUserRecoverableError status: NEED_REMOTE_CONSENT
```

#### External references such as API reference guides

- https://developers.google.com/calendar/api/v3/reference/events/list

#### Any additional information below

I have tried debugging to understand where the enforced permission request comes from without success. From the link in External References the requested Scope is enough to list all events in the Calendar.

Thanks!

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