Authenticator.setDefault() with Fresco requests

Hi I’m using Fresco to show images from a password-protected webservice. I’m setting the default authenticator for my http/https requests in my app’s onCreate like this:

        Authenticator.setDefault(new Authenticator() {
            @Override
            protected PasswordAuthentication getPasswordAuthentication() {
                return new PasswordAuthentication(
                        userWebService, pwdWebService.toCharArray());
            }
        });

But everytime I call

                SimpleDraweeView image = (SimpleDraweeView) findViewById(R.id.imageView_product);
                GenericDraweeHierarchy h = image.getHierarchy();
                h.setActualImageScaleType(ScalingUtils.ScaleType.CENTER_INSIDE);
                image.setImageURI(uri);

the request is fired twice: the first fails the authentication (response 401) while the second authenticate correctly (response 200). I’m not 100% sure but I actually feel like it’s a Fresco issue since the code is really simple. Is anyone able to test this?

Thanks, Kind Regards.

[Doomkyn]

UPDATE: Actually seems like a bug of the native android network layer (HttpURLConnection). Previously I was doing this to initialize Fresco:

Authenticator.setDefault(new Authenticator() {
            @Override
            protected PasswordAuthentication getPasswordAuthentication() {
                return new PasswordAuthentication(
                        userWebService, pwdWebService.toCharArray());
            }
        });

Fresco.initialize(this);

In this case, the agency that provide me the WebService form where I load my images told me they always see 2 requests for every image, the first without authentication header and the second correctly authenticated.

Then, thanks to @massimocarli’s post , I tried using OkHttp3 as network layer, implementing it like this:

String credentials = userWebService + ":" + pwdWebService;
        final String basic =
                "Basic " + Base64.encodeToString(credentials.getBytes(), Base64.NO_WRAP);
        final OkHttpClient.Builder okHttpClientBuilder = new OkHttpClient.Builder()
                .addInterceptor(new Interceptor() {
                    @Override
                    public Response intercept(Chain chain) throws IOException {
                        final Request.Builder requestBuilder = chain.request().newBuilder();
                        requestBuilder.addHeader("Authorization", basic);
                        return chain.proceed(requestBuilder.build());
                    }
                });
        final ImagePipelineConfig imagePipelineConfig = OkHttpImagePipelineConfigFactory.newBuilder(
                getApplicationContext(),
                okHttpClientBuilder.build())
                .build();

        Fresco.initialize(this, imagePipelineConfig);

And now it seems to work fine: only one authenticated request is fired.

I’m not closing this, I actually wait for a mod to close this so if there is a more technical consideration to do, it can be done.

Kind regards.

[massimocarli]

Great @Doomkyn, that is actually the solution that we usually suggest for this 😃

Thanks