Implement "HEAD" HTTP method

[stefan-niedermann]

com.nextcloud.android.sso.exceptions.NextcloudUnsupportedMethodException: The requested HTTP Method is not supported yet! Please contact the developers of the Android Single-On Library for Android
    at com.nextcloud.android.sso.api.AidlNetworkRequest.performNetworkRequestV2(AidlNetworkRequest.java:155)
    at com.nextcloud.android.sso.api.NextcloudAPI.performNetworkRequestV2(NextcloudAPI.java:148)
    at it.niedermann.owncloud.notes.persistence.NotesClient.requestServer(NotesClient.java:200)
    at it.niedermann.owncloud.notes.persistence.NotesClient.getAvatarEtag(NotesClient.java:163)
    at it.niedermann.owncloud.notes.persistence.NoteServerSyncHelper.lambda$updateAvatar$1$NoteServerSyncHelper(NoteServerSyncHelper.java:140)
    at it.niedermann.owncloud.notes.persistence.-$$Lambda$NoteServerSyncHelper$ebqrDd5AoK1YIz4nbNy6Gg1L8Wc.run(Unknown Source:2)
    at java.lang.Thread.run(Thread.java:764)

[David-Development]

Thanks for the request! Maybe you can elaborate a little bit about the use-case? :)

[stefan-niedermann]

Concrete use case: I tried to check the ETag of an image before downloading the whole payload, to check whether or not the cached version is up to date.

[desperateCoder]

For the "PROPPATCH" method, it would be also nice to have the HTTP annotation working, so I can use SSO for webdav requests as well. Or should I open a new issue?

[desperateCoder]

@stefan-niedermann @David-Development @tobiasKaminsky this exception is not thrown in SSO, it is returned by the files app. This is where the stacktrace leads to (SSO, AidlNetworkRequest.java, Line 152):

        // Handle Remote Exceptions
        if (response.getException() != null) {
            if (response.getException().getMessage() != null) {
/*## HERE ##*/  throw parseNextcloudCustomException(response.getException());
            }
            throw response.getException();
        }

@tobiasKaminsky: any chance, you can add support for HEAD, PROPFIND and PROPPATCH?

[stefan-niedermann]

Currently no longer needed by me. Deck & Notes both have a pull-2-refresh mechanism and i decided that it was the easiest way to simply clear the Glide cache when one triggers this mechanism.