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package it.niedermann.owncloud.notes.glide;
import android.content.Context;
import android.util.Log;
import androidx.annotation.NonNull;
import com.bumptech.glide.Priority;
import com.bumptech.glide.load.DataSource;
import com.bumptech.glide.load.data.DataFetcher;
import com.bumptech.glide.load.model.GlideUrl;
import com.google.gson.GsonBuilder;
import com.nextcloud.android.sso.aidl.NextcloudRequest;
import com.nextcloud.android.sso.api.NextcloudAPI;
import com.nextcloud.android.sso.api.Response;
import com.nextcloud.android.sso.exceptions.NextcloudFilesAppAccountNotFoundException;
import com.nextcloud.android.sso.exceptions.NoCurrentAccountSelectedException;
import com.nextcloud.android.sso.exceptions.TokenMismatchException;
import com.nextcloud.android.sso.helper.SingleAccountHelper;
import com.nextcloud.android.sso.model.SingleSignOnAccount;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* Fetches an {@link InputStream} using the sso library.
*/
public class SingleSignOnStreamFetcher implements DataFetcher<InputStream> {
private static final String TAG = SingleSignOnStreamFetcher.class.getSimpleName();
private static final String METHOD_GET = "GET";
private static final Map<String, NextcloudAPI> INITIALIZED_APIs = new HashMap<>();
private final Context context;
private final GlideUrl url;
// Public API.
@SuppressWarnings("WeakerAccess")
public SingleSignOnStreamFetcher(Context context, GlideUrl url) {
this.context = context;
this.url = url;
}
@Override
public void loadData(@NonNull Priority priority, @NonNull final DataCallback<? super InputStream> callback) {
NextcloudAPI client = null;
try {
SingleSignOnAccount ssoAccount = SingleAccountHelper.getCurrentSingleSignOnAccount(context);
client = INITIALIZED_APIs.get(ssoAccount.name);
boolean didInitialize = false;
if (client == null) {
client = new NextcloudAPI(context, SingleAccountHelper.getCurrentSingleSignOnAccount(context), new GsonBuilder().create(), new NextcloudAPI.ApiConnectedListener() {
@Override
public void onConnected() {
Log.v(TAG, "SSO API successfully initialized");
}
@Override
public void onError(Exception ex) {
Log.e(TAG, ex.getMessage(), ex);
}
});
INITIALIZED_APIs.put(ssoAccount.name, client);
didInitialize = true;
}
NextcloudRequest.Builder requestBuilder = null;
try {
requestBuilder = new NextcloudRequest.Builder()
.setMethod(METHOD_GET)
.setUrl(url.toURL().getPath());
Map<String, List<String>> header = new HashMap<>();
for (Map.Entry<String, String> headerEntry : url.getHeaders().entrySet()) {
header.put(headerEntry.getKey(), Collections.singletonList(headerEntry.getValue()));
}
requestBuilder.setHeader(header);
NextcloudRequest nextcloudRequest = requestBuilder.build();
Log.v(TAG, nextcloudRequest.toString());
Response response = client.performNetworkRequestV2(nextcloudRequest);
callback.onDataReady(response.getBody());
} catch (MalformedURLException e) {
callback.onLoadFailed(e);
} catch (TokenMismatchException e) {
if (!didInitialize) {
Log.w(TAG, "SSO Glide loader failed with TokenMismatchException, trying to re-initialize...");
client.stop();
INITIALIZED_APIs.remove(ssoAccount.name);
loadData(priority, callback);
} else {
e.printStackTrace();
callback.onLoadFailed(e);
}
} catch (Exception e) {
callback.onLoadFailed(e);
}
} catch (NextcloudFilesAppAccountNotFoundException e) {
e.printStackTrace();
} catch (NoCurrentAccountSelectedException e) {
e.printStackTrace();
}
}
@Override
public void cleanup() {
}
@Override
public void cancel() {
}
@NonNull
@Override
public Class<InputStream> getDataClass() {
return InputStream.class;
}
@NonNull
@Override
public DataSource getDataSource() {
return DataSource.REMOTE;
}
}
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