Making a Https Request Using Android Volley

Making a HTTPS request using Android Volley

Warning: The following code should not be used in production because it is vulnerable to SSL attacks

Probably these codes below will be helpful for you:

1.Create a HttpsTrustManager class that implements X509TrustManager:

public class HttpsTrustManager implements X509TrustManager {

    private static TrustManager[] trustManagers;
    private static final X509Certificate[] _AcceptedIssuers = new X509Certificate[]{};

    @Override
    public void checkClientTrusted(
            java.security.cert.X509Certificate[] x509Certificates, String s)
            throws java.security.cert.CertificateException {

    }

    @Override
    public void checkServerTrusted(
            java.security.cert.X509Certificate[] x509Certificates, String s)
            throws java.security.cert.CertificateException {

    }

    public boolean isClientTrusted(X509Certificate[] chain) {
        return true;
    }

    public boolean isServerTrusted(X509Certificate[] chain) {
        return true;
    }

    @Override
    public X509Certificate[] getAcceptedIssuers() {
        return _AcceptedIssuers;
    }

    public static void allowAllSSL() {
        HttpsURLConnection.setDefaultHostnameVerifier(new HostnameVerifier() {

            @Override
            public boolean verify(String arg0, SSLSession arg1) {
                return true;
            }

        });

        SSLContext context = null;
        if (trustManagers == null) {
            trustManagers = new TrustManager[]{new HttpsTrustManager()};
        }

        try {
            context = SSLContext.getInstance("TLS");
            context.init(null, trustManagers, new SecureRandom());
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        } catch (KeyManagementException e) {
            e.printStackTrace();
        }

        HttpsURLConnection.setDefaultSSLSocketFactory(context
                .getSocketFactory());
    }

}

2.Add HttpsTrustManager.allowAllSSL() before you make a https request:

HttpsTrustManager.allowAllSSL();
String  tag_string_req = "string_req";
StringRequest strReq = new StringRequest(Request.Method.POST,
        your_https_url, new Response.Listener<String>() {
    @Override
    public void onResponse(String response) {
        Log.d(TAG, "response :"+response);
    }
}, new Response.ErrorListener() {
    @Override
    public void onErrorResponse(VolleyError error) {
        VolleyLog.d(TAG, "Error: " + error.getMessage());
    }
}){
    @Override
    protected Map<String, String> getParams() {
        Map<String, String> params = new HashMap<String, String>();
        params.put("username", "max");
        params.put("password", "123456");
        return params;
    }
};
AppController.getInstance().addToRequestQueue(strReq, tag_string_req);

Android HTTPS Request with Volley

The message appears because you need to add a certificate to your volley https request.

To do this add HurlStack to your request in volley.

    HurlStack hurlStack = new HurlStack() {
        @Override
        protected HttpURLConnection createConnection(java.net.URL url)
                throws IOException {
            HttpsURLConnection httpsURLConnection = (HttpsURLConnection) super
                    .createConnection(url);
            try {
                httpsURLConnection
                        .setSSLSocketFactory(getSSLSocketFactory(context));
                // httpsURLConnection.setHostnameVerifier(getHostnameVerifier());
            } catch (Exception e) {
                e.printStackTrace();
            }
            return httpsURLConnection;
        }
    };

For the getSSLSocketFactory use this function.

 private SSLSocketFactory getSSLSocketFactory(Context context)
            throws CertificateException, KeyStoreException, IOException,
            NoSuchAlgorithmException, KeyManagementException {

// the certificate file will be stored in \app\src\main\res\raw folder path
        CertificateFactory cf = CertificateFactory.getInstance("X.509");
        InputStream caInput = context.getResources().openRawResource(
                R.raw.YourCertificate);

        Certificate ca = cf.generateCertificate(caInput);
        caInput.close();

        KeyStore keyStore = KeyStore.getInstance("BKS");

        keyStore.load(null, null);
        keyStore.setCertificateEntry("ca", ca);

        String tmfAlgorithm = TrustManagerFactory.getDefaultAlgorithm();
        TrustManagerFactory tmf = TrustManagerFactory.getInstance(tmfAlgorithm);
        tmf.init(keyStore);

        TrustManager[] wrappedTrustManagers = getWrappedTrustManagers(tmf
                .getTrustManagers());

        SSLContext sslContext = SSLContext.getInstance("TLS");
        sslContext.init(null, wrappedTrustManagers, null);

        return sslContext.getSocketFactory();
    }

For the TrustManager use this method:

private TrustManager[] getWrappedTrustManagers(TrustManager[] trustManagers) {
        final X509TrustManager originalTrustManager = (X509TrustManager) trustManagers[0];
        return new TrustManager[] { new X509TrustManager() {
            public X509Certificate[] getAcceptedIssuers() {
                return originalTrustManager.getAcceptedIssuers();
            }

            public void checkClientTrusted(X509Certificate[] certs,
                    String authType) {
                try {
                    if (certs != null && certs.length > 0) {
                        certs[0].checkValidity();
                    } else {
                        originalTrustManager
                                .checkClientTrusted(certs, authType);
                    }
                } catch (CertificateException e) {
                    Log.w("checkClientTrusted", e.toString());
                }
            }

            public void checkServerTrusted(X509Certificate[] certs,
                    String authType) {
                try {
                    if (certs != null && certs.length > 0) {
                        certs[0].checkValidity();
                    } else {
                        originalTrustManager
                                .checkServerTrusted(certs, authType);
                    }
                } catch (CertificateException e) {
                    Log.w("checkServerTrusted", e.toString());
                }
            }
        } };
    }

Finally in the RequestQueue call the hurlstack:

    RequestQueue requestQueue = Volley.newRequestQueue(context, hurlStack);
    requestQueue.add(Your Request);

HTTPS request using volley

I looked around to find an answer for this also. For me, I found it was as easy as changing my request URL from:

http://www.myserver.com/whatever

to

https://www.myserver.com/whatever

This may depend on your server and DNS settings. For instance, I redirect my root domain:

https://myserver.com to https://www.myserver.com. It's a Heroku thing...

When I tried to make requests to the root domain, I got 301 responses from the server as it tried to redirect to the www subdomain. Just keep in mind your DNS settings. Hope this helps someone!

Does Android Volley support SSL?

You can refer to my working sample code. Hope this helps!

public class MainActivity extends AppCompatActivity {

    private TextView mTextView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        mTextView = (TextView) findViewById(R.id.textView);

        String url = "https://192.168.1.100/testvolley";

        HurlStack hurlStack = new HurlStack() {
            @Override
            protected HttpURLConnection createConnection(URL url) throws IOException {
                HttpsURLConnection httpsURLConnection = (HttpsURLConnection) super.createConnection(url);
                try {
                    httpsURLConnection.setSSLSocketFactory(getSSLSocketFactory());
                    httpsURLConnection.setHostnameVerifier(getHostnameVerifier());
                } catch (Exception e) {
                    e.printStackTrace();
                }
                return httpsURLConnection;
            }
        };

        final JsonObjectRequest jsonObjectRequest = new JsonObjectRequest(Request.Method.GET, url, new Response.Listener<JSONObject>() {
            @Override
            public void onResponse(JSONObject response) {
                try {
                    mTextView.setText(response.toString(5));
                } catch (JSONException e) {
                    mTextView.setText(e.toString());
                }
            }
        }, new Response.ErrorListener() {
            @Override
            public void onErrorResponse(VolleyError error) {
                mTextView.setText(error.toString());
            }
        });

        final RequestQueue requestQueue = Volley.newRequestQueue(this, hurlStack);

        requestQueue.add(jsonObjectRequest);
    }

    // Let's assume your server app is hosting inside a server machine
    // which has a server certificate in which "Issued to" is "localhost",for example.
    // Then, inside verify method you can verify "localhost". 
    // If not, you can temporarily return true
    private HostnameVerifier getHostnameVerifier() {
        return new HostnameVerifier() {
            @Override
            public boolean verify(String hostname, SSLSession session) {
                //return true; // verify always returns true, which could cause insecure network traffic due to trusting TLS/SSL server certificates for wrong hostnames
                HostnameVerifier hv = HttpsURLConnection.getDefaultHostnameVerifier();
                return hv.verify("localhost", session);
            }
        };
    }

    private TrustManager[] getWrappedTrustManagers(TrustManager[] trustManagers) {
        final X509TrustManager originalTrustManager = (X509TrustManager) trustManagers[0];
        return new TrustManager[]{
                new X509TrustManager() {
                    public X509Certificate[] getAcceptedIssuers() {
                        return originalTrustManager.getAcceptedIssuers();
                    }

                    public void checkClientTrusted(X509Certificate[] certs, String authType) {
                        try {
                            if (certs != null && certs.length > 0){
                                certs[0].checkValidity();
                            } else {
                                originalTrustManager.checkClientTrusted(certs, authType);
                            }
                        } catch (CertificateException e) {
                            Log.w("checkClientTrusted", e.toString());
                        }
                    }

                    public void checkServerTrusted(X509Certificate[] certs, String authType) {
                        try {
                            if (certs != null && certs.length > 0){
                                certs[0].checkValidity();
                            } else {
                                originalTrustManager.checkServerTrusted(certs, authType);
                            }
                        } catch (CertificateException e) {
                            Log.w("checkServerTrusted", e.toString());
                        }
                    }
                }
        };
    }    

    private SSLSocketFactory getSSLSocketFactory()
            throws CertificateException, KeyStoreException, IOException, NoSuchAlgorithmException, KeyManagementException {
        CertificateFactory cf = CertificateFactory.getInstance("X.509");
        InputStream caInput = getResources().openRawResource(R.raw.my_cert); // this cert file stored in \app\src\main\res\raw folder path

        Certificate ca = cf.generateCertificate(caInput);
        caInput.close();

        KeyStore keyStore = KeyStore.getInstance("BKS");
        keyStore.load(null, null);
        keyStore.setCertificateEntry("ca", ca);

        String tmfAlgorithm = TrustManagerFactory.getDefaultAlgorithm();
        TrustManagerFactory tmf = TrustManagerFactory.getInstance(tmfAlgorithm);
        tmf.init(keyStore);

        TrustManager[] wrappedTrustManagers = getWrappedTrustManagers(tmf.getTrustManagers());

        SSLContext sslContext = SSLContext.getInstance("TLS");
        sslContext.init(null, wrappedTrustManagers, null);

        return sslContext.getSocketFactory();
    }
}

IMO, you should also read more at Google's Documentation - Security with HTTPS and SSL

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