From 4314d834724bbb5c671e7300b7de865fe53c51fb Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Tue, 8 Nov 2016 15:54:33 +0300
Subject: reorganize structure again

---
 .../java/com/juick/components/s2s/Connection.java  | 149 +++++++++++++++++++++
 1 file changed, 149 insertions(+)
 create mode 100644 juick-xmpp/src/main/java/com/juick/components/s2s/Connection.java

(limited to 'juick-xmpp/src/main/java/com/juick/components/s2s/Connection.java')

diff --git a/juick-xmpp/src/main/java/com/juick/components/s2s/Connection.java b/juick-xmpp/src/main/java/com/juick/components/s2s/Connection.java
new file mode 100644
index 00000000..0c1f3d4d
--- /dev/null
+++ b/juick-xmpp/src/main/java/com/juick/components/s2s/Connection.java
@@ -0,0 +1,149 @@
+package com.juick.components.s2s;
+
+import com.juick.components.XMPPServer;
+import org.xmlpull.mxp1.MXParser;
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+
+import javax.crypto.Mac;
+import javax.crypto.spec.SecretKeySpec;
+import javax.net.ssl.KeyManagerFactory;
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.TrustManager;
+import javax.net.ssl.X509TrustManager;
+import java.io.*;
+import java.net.Socket;
+import java.nio.charset.Charset;
+import java.security.*;
+import java.security.cert.CertificateException;
+import java.util.UUID;
+import java.util.logging.Logger;
+
+/**
+ *
+ * @author ugnich
+ */
+public class Connection {
+
+    protected static final Logger logger = Logger.getLogger(Connection.class.getName());
+
+    public String streamID;
+    public long tsCreated = 0;
+    public long tsLocalData = 0;
+    public long bytesLocal = 0;
+    public long packetsLocal = 0;
+    XMPPServer xmpp;
+    Socket socket;
+    public static final String NS_DB = "jabber:server:dialback";
+    public static final String NS_TLS = "urn:ietf:params:xml:ns:xmpp-tls";
+    public static final String NS_STREAM = "http://etherx.jabber.org/streams";
+    XmlPullParser parser = new MXParser();
+    OutputStreamWriter writer;
+    private boolean secured = false;
+    SSLContext sc;
+    private TrustManager[] trustAllCerts = new TrustManager[]{
+            new X509TrustManager() {
+                public void checkClientTrusted(java.security.cert.X509Certificate[] certs, String authType) {
+                }
+
+                public void checkServerTrusted(java.security.cert.X509Certificate[] certs, String authType) {
+                }
+                public java.security.cert.X509Certificate[] getAcceptedIssuers() {
+                    return null;
+                }
+            }
+    };
+
+
+    public Connection(XMPPServer xmpp) throws XmlPullParserException, KeyStoreException, CertificateException, NoSuchAlgorithmException, IOException, UnrecoverableKeyException, KeyManagementException {
+        this.xmpp = xmpp;
+        tsCreated = System.currentTimeMillis();
+        parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);
+        KeyStore ks = KeyStore.getInstance("JKS");
+        try (InputStream ksIs = new FileInputStream(xmpp.keystore)) {
+            ks.load(ksIs, xmpp.keystorePassword.toCharArray());
+            KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory
+                    .getDefaultAlgorithm());
+            kmf.init(ks, xmpp.keystorePassword.toCharArray());
+            sc = SSLContext.getInstance("TLSv1.2");
+            sc.init(kmf.getKeyManagers(), trustAllCerts, new SecureRandom());
+        } catch (Exception e) {
+            logger.warning("tls unavailable");
+        }
+    }
+
+    public void logParser() {
+        if (streamID == null) {
+            return;
+        }
+        String tag = "IN: <" + parser.getName();
+        for (int i = 0; i < parser.getAttributeCount(); i++) {
+            tag += " " + parser.getAttributeName(i) + "=\"" + parser.getAttributeValue(i) + "\"";
+        }
+        tag += ">...</" + parser.getName() + ">\n";
+        logger.fine(tag);
+    }
+
+    public void sendStanza(String xml) throws IOException {
+        if (streamID != null) {
+            logger.fine("OUT: " + xml + "\n");
+        }
+        writer.write(xml);
+        writer.flush();
+        tsLocalData = System.currentTimeMillis();
+        bytesLocal += xml.length();
+        packetsLocal++;
+    }
+
+    public void closeConnection() {
+        if (streamID != null) {
+            logger.info(String.format("CLOSING STREAM %s", streamID));
+        }
+
+        try {
+            writer.write("</stream:stream>");
+        } catch (Exception e) {
+        }
+
+        try {
+            writer.close();
+        } catch (Exception e) {
+        }
+
+        try {
+            socket.close();
+        } catch (Exception e) {
+        }
+    }
+
+    static String generateDialbackKey(String to, String from, String id) throws Exception {
+        Mac hmacSha256 = Mac.getInstance("hmacSHA256");
+
+        SecretKeySpec secret_key = new SecretKeySpec("$UppPerSeCCret4".getBytes(), "SHA-256");
+        hmacSha256.init(secret_key);
+        byte key[] = hmacSha256.doFinal((to + " " + from + " " + id).getBytes());
+
+        StringBuilder hexkey = new StringBuilder();
+        for (int i = 0; i < key.length; i++) {
+            hexkey.append(Integer.toHexString(0xFF & key[i]));
+        }
+
+        return hexkey.toString();
+    }
+
+    public boolean isSecured() {
+        return secured;
+    }
+
+    public void setSecured(boolean secured) {
+        this.secured = secured;
+    }
+
+    public void restartParser() throws XmlPullParserException, IOException {
+        parser = new MXParser();
+        parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);
+        parser.setInput(new InputStreamReader(socket.getInputStream()));
+        writer = new OutputStreamWriter(socket.getOutputStream(), Charset.forName("UTF-8"));
+        streamID = UUID.randomUUID().toString();
+    }
+}
-- 
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