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diff --git a/src/main/java/com/juick/PushComponent.java b/src/main/java/com/juick/PushComponent.java
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+++ b/src/main/java/com/juick/PushComponent.java
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+/*
+ * Juick
+ * Copyright (C) 2013, Ugnich Anton
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.juick;
+
+import com.google.android.gcm.server.Message;
+import com.google.android.gcm.server.MulticastResult;
+import com.google.android.gcm.server.Result;
+import com.google.android.gcm.server.Sender;
+import com.juick.json.MessageSerializer;
+import com.juick.server.PushQueries;
+import com.juick.server.SubscriptionsQueries;
+import com.juick.xmpp.JID;
+import com.juick.xmpp.Message.MessageListener;
+import com.juick.xmpp.Stream;
+import com.juick.xmpp.StreamComponent;
+import com.juick.xmpp.extensions.JuickMessage;
+import com.juick.xmpp.utils.XmlUtils;
+import com.notnoop.apns.APNS;
+import com.notnoop.apns.ApnsService;
+import org.apache.http.Consts;
+import org.apache.http.Header;
+import org.apache.http.HttpResponse;
+import org.apache.http.NameValuePair;
+import org.apache.http.client.HttpClient;
+import org.apache.http.client.entity.UrlEncodedFormEntity;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.entity.StringEntity;
+import org.apache.http.impl.client.HttpClientBuilder;
+import org.apache.http.message.BasicNameValuePair;
+import org.apache.http.util.EntityUtils;
+import org.apache.http.util.TextUtils;
+import org.json.JSONObject;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.jdbc.datasource.DriverManagerDataSource;
+
+import javax.servlet.ServletContextEvent;
+import javax.servlet.ServletContextListener;
+import java.io.IOException;
+import java.net.Socket;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Properties;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.logging.Level;
+import java.util.logging.LogManager;
+import java.util.logging.Logger;
+import java.util.stream.Collectors;
+
+/**
+ *
+ * @author Ugnich Anton
+ */
+public class PushComponent implements ServletContextListener, Stream.StreamListener, MessageListener {
+
+    private static Logger logger = Logger.getLogger(PushComponent.class.getName());
+
+    private ExecutorService executorService;
+    String wns_application_sip;
+    String wns_client_secret;
+    JdbcTemplate sql;
+    Socket socket;
+    Stream xmpp;
+    Sender GCMSender;
+
+    @Override
+    public void contextInitialized(final ServletContextEvent sce) {
+        logger.info("component initialized");
+        executorService = Executors.newSingleThreadExecutor();
+        executorService.submit((Runnable) () -> {
+            Properties conf = new Properties();
+            try {
+                conf.load(sce.getServletContext().getResourceAsStream("/WEB-INF/juick.conf"));
+                LogManager.getLogManager().readConfiguration(
+                        sce.getServletContext().getResourceAsStream("/WEB-INF/logging.properties"));
+                wns_application_sip = conf.getProperty("wns_application_sip", "");
+                wns_client_secret = conf.getProperty("wns_client_secret", "");
+                GCMSender = new Sender(conf.getProperty("gcm_key"));
+
+                setupSql(conf.getProperty("datasource_driver", "com.mysql.jdbc.Driver"), conf.getProperty("datasource_url", ""));
+                setupXmppComponent(new JID("", conf.getProperty("push_jid"), ""), conf.getProperty("xmpp_host", "localhost"),
+                        Integer.parseInt(conf.getProperty("xmpp_port", "5347")), conf.getProperty("push_xmpp_password", ""));
+            } catch (IOException e) {
+                logger.log(Level.SEVERE, e.getMessage(), e);
+            }
+        });
+    }
+
+    @Override
+    public void contextDestroyed(ServletContextEvent sce) {
+        executorService.shutdown();
+        logger.info("component destroyed");
+    }
+
+    public void setupSql(String driver, String url) {
+        DriverManagerDataSource dataSource = new DriverManagerDataSource();
+        dataSource.setDriverClassName(driver);
+        dataSource.setUrl(url);
+        sql = new JdbcTemplate(dataSource);
+    }
+
+    public void setupXmppComponent(JID jid, String host, int port, String password) {
+        try {
+            socket = new Socket(host, port);
+            xmpp = new StreamComponent(jid, socket.getInputStream(), socket.getOutputStream(), password);
+            xmpp.addChildParser(new JuickMessage());
+            xmpp.addListener((Stream.StreamListener) this);
+            xmpp.addListener((MessageListener) this);
+            xmpp.startParsing();
+        } catch (IOException e) {
+            logger.log(Level.SEVERE, e.getMessage(), e);
+        }
+    }
+
+    @Override
+    public void onStreamReady() {
+        logger.info("XMPP STREAM READY");
+    }
+
+    @Override
+    public void onStreamFail(Exception e) {logger.log(Level.SEVERE, "XMPP STREAM FAIL", e);}
+
+    @Override
+    public void onMessage(com.juick.xmpp.Message msg) {
+        JuickMessage jmsg = (JuickMessage)msg.getChild(JuickMessage.XMLNS);
+        List<User> subscribedUsers = new ArrayList<>();
+        boolean isPM = jmsg.getMID() == 0;
+        boolean isReply = jmsg.getRID() > 0;
+        int pmTo = 0;
+        if (isPM) {
+            pmTo = Integer.parseInt(msg.to.Username);
+        } else {
+            if (isReply) {
+                subscribedUsers =
+                        SubscriptionsQueries.getUsersSubscribedToComments(sql, jmsg.getMID(), jmsg.getUser().getUID());
+            } else {
+                // new message
+                subscribedUsers = SubscriptionsQueries.getSubscribedUsers(sql, jmsg.getUser().getUID(), jmsg.getMID());
+            }
+        }
+
+        /*** ANDROID ***/
+        final List<String> regids = new ArrayList<>();
+        if (isPM) {
+            PushQueries.getAndroidRegID(sql, pmTo).ifPresent(regids::add);
+        } else {
+            List<Integer> uids = subscribedUsers.stream().map(User::getUID).collect(Collectors.toList());
+            if (uids.size() > 0) {
+                regids.addAll(PushQueries.getAndroidTokens(sql, uids));
+            }
+        }
+
+        if (!regids.isEmpty()) {
+            MessageSerializer messageSerializer = new MessageSerializer();
+            String json = messageSerializer.serialize(jmsg).toString();
+            logger.info(json);
+            Message message = new Message.Builder().addData("message", json).build();
+            try {
+                MulticastResult result = GCMSender.send(message, regids, 3);
+                List<Result> results = result.getResults();
+                for (int i = 0; i < results.size(); i++) {
+                    logger.info("RES " + i + ": " + results.get(i).toString());
+                }
+            } catch (IOException e) {
+                logger.log(Level.SEVERE, e.getMessage(), e);
+            } catch (IllegalArgumentException err) {
+                logger.warning("Android: Invalid API Key");
+            }
+        } else {
+            logger.info("GMS: no recipients");
+        }
+
+        /*** WinPhone ***/
+        final List<String> urls = new ArrayList<>();
+        if (isPM) {
+            PushQueries.getWinPhoneURL(sql, pmTo).ifPresent(urls::add);
+        } else {
+            List<Integer> uids = subscribedUsers.stream().map(User::getUID).collect(Collectors.toList());
+            if (uids.size() > 0) {
+                urls.addAll(PushQueries.getWindowsTokens(sql, uids));
+            }
+        }
+
+
+        if (urls.isEmpty()) {
+            logger.info("WNS: no recipients");
+        } else {
+            try {
+                String wnsToken = getWnsAccessToken();
+                String text1 = "@" + jmsg.getUser().getUName();
+                if (!jmsg.Tags.isEmpty()) {
+                    text1 += ":" + XmlUtils.escape(jmsg.getTagsString());
+                }
+                String text2 = XmlUtils.escape(jmsg.getText());
+                String xml = "<?xml version=\"1.0\" encoding=\"utf-8\"?>"
+                        + "<toast>"
+                        + "<visual>"
+                        + "<binding template=\"ToastImageAndText02\">"
+                        + "<image id=\"1\" src=\"http://i.juick.com/as/" + jmsg.getUser().getUID() + ".png\" />"
+                        + "<text id=\"1\">" + text1 + "</text>"
+                        + "<text id=\"2\">" + text2 + "</text>"
+                        + "</binding>"
+                        + "</visual>"
+                        + "<commands>"
+                        + "<command arguments=\"?mid=" + jmsg.getMID() + "\" />"
+                        + "</commands>"
+                        + "</toast>";
+                logger.fine(xml);
+                for (String url : urls) {
+                    logger.info("WNS: " + url);
+                    sendWNS(wnsToken, url, xml);
+                }
+            } catch (IOException | IllegalStateException e) {
+                logger.log(Level.SEVERE, "WNS: ", e);
+            }
+        }
+
+        /*** iOS ***/
+        final List<String> tokens = new ArrayList<>();
+        if (isPM) {
+            PushQueries.getAPNSToken(sql, pmTo).ifPresent(tokens::add);
+        } else {
+            List<Integer> uids = subscribedUsers.stream().map(User::getUID).collect(Collectors.toList());
+            if (uids.size() > 0) {
+                tokens.addAll(PushQueries.getAPNSTokens(sql, uids));
+            }
+        }
+        if (!tokens.isEmpty()) {
+            ApnsService service = APNS.newService().withCert("/etc/juick/ios.p12", "juick")
+                    .withSandboxDestination().build();
+            for (String token : tokens) {
+                String payload = APNS.newPayload().alertTitle("@" + jmsg.getUser().getUName()).alertBody(jmsg.getText()).build();
+                logger.info("APNS: " + token);
+                service.push(token, payload);
+            }
+        } else {
+            logger.info("APNS: no recipients");
+        }
+    }
+
+    String getWnsAccessToken() throws IOException, IllegalStateException {
+        if(TextUtils.isEmpty(wns_application_sip)) {
+            throw new IllegalStateException("'wns_application_sip' is not initialized");
+        }
+        if(TextUtils.isEmpty(wns_client_secret)) {
+            throw new IllegalStateException("'wns_client_secret' is not initialized");
+        }
+        HttpClient client = HttpClientBuilder.create().build();
+        String url = "https://login.live.com/accesstoken.srf";
+        List<NameValuePair> formParams = new ArrayList<>();
+        formParams.add(new BasicNameValuePair("grant_type", "client_credentials"));
+        formParams.add(new BasicNameValuePair("client_id", wns_application_sip));
+        formParams.add(new BasicNameValuePair("client_secret", wns_client_secret));
+        formParams.add(new BasicNameValuePair("scope", "notify.windows.com"));
+        UrlEncodedFormEntity entity = new UrlEncodedFormEntity(formParams, Consts.UTF_8);
+        HttpPost httppost = new HttpPost(url);
+        httppost.setEntity(entity);
+        HttpResponse response = client.execute(httppost);
+        int statusCode = response.getStatusLine().getStatusCode();
+        String responseContent = EntityUtils.toString(response.getEntity(), Consts.UTF_8);
+        JSONObject json = new JSONObject(responseContent);
+        if(statusCode != 200) {
+            throw new IOException(json.opt("error") + ": " + json.opt("error_description"));
+        }
+        String tokenType = (String)json.get("token_type");
+        if(tokenType.length() >= 1) {
+            tokenType = Character.toUpperCase(tokenType.charAt(0)) + tokenType.substring(1);
+        }
+        return tokenType + " " + json.get("access_token");
+    }
+
+    void sendWNS(String wnsToken, String url, String xml) throws IOException {
+        HttpClient client = HttpClientBuilder.create().build();
+        StringEntity entity = new StringEntity(xml, Consts.UTF_8);
+        HttpPost httpPost = new HttpPost(url);
+        httpPost.setHeader("Content-Type", "text/xml");
+        httpPost.setHeader("Authorization", wnsToken);
+        httpPost.setHeader("X-WNS-Type", "wns/toast");
+        httpPost.setEntity(entity);
+        HttpResponse response = client.execute(httpPost);
+        int statusCode = response.getStatusLine().getStatusCode();
+        if(statusCode != 200) {
+            String headersContent = stringifyWnsHttpHeaders(response.getAllHeaders());
+            throw new IOException(headersContent);
+        }
+    }
+
+    static String stringifyWnsHttpHeaders(Header[] allHeaders) {
+        String[] wnsHeaders = Arrays.stream(allHeaders)
+                .filter(x -> x.getName().startsWith("X-WNS-") || x.getName().startsWith("WWW-"))
+                .map(x -> x.getName() + ": " + x.getValue())
+                .toArray(String[]::new);
+        return String.join("\n", wnsHeaders);
+    }
+}