refactoring

pom.xml

@@ -23,6 +23,47 @@
 					<encoding>UTF-8</encoding>
 				</configuration>
 			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-jar-plugin</artifactId>
+				<version>2.6</version>
+				<configuration>
+					<archive>
+						<manifest>
+							<addClasspath>true</addClasspath>
+							<classpathPrefix>lib/</classpathPrefix>
+							<mainClass>edu.kit.scc.Main</mainClass>
+						</manifest>
+					</archive>
+				</configuration>
+			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-resources-plugin</artifactId>
+				<version>2.7</version>
+			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-dependency-plugin</artifactId>
+				<version>2.10</version>
+				<executions>
+					<execution>
+						<id>copy-dependencies</id>
+						<phase>prepare-package</phase>
+						<goals>
+							<goal>copy-dependencies</goal>
+						</goals>
+						<configuration>
+							<outputDirectory>
+								${project.build.directory}/lib
+							</outputDirectory>
+							<overWriteReleases>false</overWriteReleases>
+							<overWriteSnapshots>false</overWriteSnapshots>
+							<overWriteIfNewer>true</overWriteIfNewer>
+						</configuration>
+					</execution>
+				</executions>
+			</plugin>
 		</plugins>
 	</build>
 
@@ -37,7 +78,7 @@
 			<artifactId>httpclient</artifactId>
 			<version>4.1</version>
 		</dependency>
-		
+
 		<!-- OpenID Connect -->
 		<dependency>
 			<groupId>com.nimbusds</groupId>
@@ -45,5 +86,22 @@
 			<version>5.1</version>
 		</dependency>
 
+		<!-- Utils -->
+		<dependency>
+			<groupId>com.google.guava</groupId>
+			<artifactId>guava</artifactId>
+			<version>18.0</version>
+		</dependency>
+		<dependency>
+			<groupId>org.json</groupId>
+			<artifactId>json</artifactId>
+			<version>20151123</version>
+		</dependency>
+		<dependency>
+			<groupId>ch.qos.logback</groupId>
+			<artifactId>logback-classic</artifactId>
+			<version>1.0.13</version>
+		</dependency>
+
 	</dependencies>
 </project>
\ No newline at end of file

src/main/java/edu/kit/scc/Main.java

 package edu.kit.scc;
 
-import java.net.URISyntaxException;
+import org.apache.directory.api.ldap.model.exception.LdapException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
-import com.nimbusds.oauth2.sdk.ParseException;
-
-import edu.kit.scc.oidc.OidcClient;
+import edu.kit.scc.dei.adsecp.EcpAuthenticator;
+import edu.kit.scc.http.HttpClient;
+import edu.kit.scc.http.HttpResponse;
 
 public class Main {
 
-	private static String authorizationCode = "4/RRRRiWO4Avp1olNeXv2NyJUljPD4_5NqMHQQg0WY_-w";
-	private static String accessToken = "ya29.YAJ0rCj_mZbvfXKtqYSDYjwZE-vc0MNqEpQcT931T3vWv-5tdXKD85iVC2lxIq1HYHG8";
+	private static final Logger log = LoggerFactory.getLogger(Main.class);
 
-	public static void main(String[] args) {
-		OidcClient oidcClient = new OidcClient();
+	// private static String authorizationCode =
+	// "997fc6c123b3224b3ade247ea8376164";
+	// private static String accessToken = "88e3bd6a549e385926378129b330c";
 
-		try {
-			oidcClient.requestUserInfo(accessToken);
-		} catch (URISyntaxException | ParseException e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
-		}
+	public static void main(String[] args) {
 
+		// OidcClient oidcClient = new OidcClient(clientId, clientSecret,
+		// redirectUri, oidcTokenEndpoint,
+		// oidcUserInfoEndpoint);
+		//
+		// Tokens tokens = oidcClient.requestTokens(authorizationCode);
+		//
+		// oidcClient.requestUserInfo(tokens.getAccessToken().getValue());
+
+		// Utils.printProperties();
+		// ScimClient scimClient = new ScimClient();
+		// scimClient.getUsers("admin", "admin");
+		// scimClient.getGroups("admin", "admin");
+
+		// HttpClient client = new HttpClient();
+		// HttpResponse response =
+		// client.makeHTTPPOSTRequest("password=password",
+		// "http://localhost:50070");
+		// log.debug(response.toString());
+		// client.makePOST("localhost", 50070, "user", "password",
+		// "http://localhost:50070");
+
+		// EcpAuthenticator auth = new EcpAuthenticator();
+		// try {
+		// auth.authenticate(null);
+		// } catch (LdapException e) {
+		// // TODO Auto-generated catch block
+		// e.printStackTrace();
+		// }
 	}
 }

src/main/java/edu/kit/scc/Utils.java

+package edu.kit.scc;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Map.Entry;
+import java.util.Properties;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public final class Utils {
+
+	private static final Logger log = LoggerFactory.getLogger(Utils.class);
+
+	private Utils() {
+	}
+
+	public static Properties loadProperties() {
+		InputStream in = null;
+		Properties properties = new Properties();
+		try {
+			// load properties from configuration.properties file
+			in = Main.class.getClassLoader().getResourceAsStream("config.properties");
+			if (in != null) {
+				properties.load(in);
+				log.debug("loaded properties from {} file", "config.properties");
+			}
+			// load properties from System.getProperty, overwrite
+			// configuration.properties
+			if (System.getProperty("registerApp.serviceUrl") != null)
+				properties.put("regapp.serviceUrl", System.getProperty("registerApp.serviceUrl"));
+			if (System.getProperty("registerApp.serviceUsername") != null)
+				properties.put("regapp.serviceUsername", System.getProperty("registerApp.serviceUsername"));
+			if (System.getProperty("registerApp.servicePassword") != null)
+				properties.put("regapp.servicePassword", System.getProperty("registerApp.servicePassword"));
+			if (System.getProperty("registerApp.checkCert") != null)
+				properties.put("regapp.checkCert", System.getProperty("registerApp.serviceUrl"));
+		} catch (IOException e) {
+			// e.printStackTrace();
+			log.error(e.getMessage());
+		} finally {
+			if (in != null) {
+				try {
+					in.close();
+				} catch (IOException e) {
+					// e.printStackTrace();
+					log.error(e.getMessage());
+				}
+			}
+		}
+		return properties;
+	}
+
+	public static void printProperties() {
+		Properties properties = loadProperties();
+		for (Entry<Object, Object> e : properties.entrySet())
+			log.info("{}: {}", new Object[] { e.getKey(), e.getValue() });
+	}
+}

src/main/java/edu/kit/scc/dei/adsecp/EcpAuthenticator.java

 package edu.kit.scc.dei.adsecp;
 
-import java.io.IOException;
 import java.io.UnsupportedEncodingException;
 import java.net.URI;
 import java.net.URISyntaxException;
-import java.net.URLEncoder;
-import java.security.KeyManagementException;
-import java.security.NoSuchAlgorithmException;
-import java.security.SecureRandom;
-import java.security.cert.X509Certificate;
-import java.util.ArrayList;
-import java.util.List;
-
-import javax.net.ssl.SSLContext;
-import javax.net.ssl.TrustManager;
-import javax.net.ssl.X509TrustManager;
+import java.util.Properties;
 
 import org.apache.directory.api.ldap.model.constants.AuthenticationLevel;
 import org.apache.directory.api.ldap.model.constants.SchemaConstants;
@@ -31,68 +20,70 @@ import org.apache.directory.server.core.api.interceptor.context.BindOperationCon
 import org.apache.directory.server.core.api.interceptor.context.LookupOperationContext;
 import org.apache.directory.server.core.authn.SimpleAuthenticator;
 import org.apache.directory.server.i18n.I18n;
-import org.apache.http.HttpResponse;
 import org.apache.http.HttpStatus;
-import org.apache.http.NameValuePair;
-import org.apache.http.ParseException;
-import org.apache.http.auth.AuthScope;
-import org.apache.http.auth.UsernamePasswordCredentials;
-import org.apache.http.client.ClientProtocolException;
-import org.apache.http.client.entity.UrlEncodedFormEntity;
-import org.apache.http.client.methods.HttpPost;
-import org.apache.http.conn.ClientConnectionManager;
-import org.apache.http.conn.scheme.Scheme;
-import org.apache.http.conn.scheme.SchemeRegistry;
-import org.apache.http.conn.ssl.AllowAllHostnameVerifier;
-import org.apache.http.conn.ssl.SSLSocketFactory;
-import org.apache.http.impl.client.DefaultHttpClient;
-import org.apache.http.impl.conn.SingleClientConnManager;
-import org.apache.http.message.BasicNameValuePair;
-import org.apache.http.protocol.HTTP;
-import org.apache.http.util.EntityUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import edu.kit.scc.Utils;
+import edu.kit.scc.http.HttpClient;
+import edu.kit.scc.http.HttpResponse;
+import edu.kit.scc.http.HttpsClient;
+
 public class EcpAuthenticator extends SimpleAuthenticator {
 
 	private static final Logger logger = LoggerFactory.getLogger(EcpAuthenticator.class);
 
 	// Reg-App connection properties, overwritten by system properties
-	// registerApp.serviceUrl
-	private static String serviceUrl = "https://localhost/rest/ecp/regid/";
-	// registerApp.serviceUsername
-	private static String serviceUsername = "ldaprest";
-	// registerApp.servicePassword
-	private static String servicePassword = "qwertz";
+	//
+	// config.properties regapp.serviceUrl or registerApp.serviceUrl
+	private String serviceUrl;
+	// config.properties regapp.serviceUsername or registerApp.serviceUsername
+	private String serviceUsername;
+	// config.properties regapp.servicePassword or registerApp.servicePassword
+	private String servicePassword;
+	// config.properties regapp.checkCert or registerApp.checkCert
+	private Boolean checkCert;
+
 	// from registerApp.serviceUrl
-	private static String serviceHost = "localhost";
+	private String serviceHost;
 	// from registerApp.serviceUrl
-	private static int servicePort = 443;
+	private int servicePort;
 	// from registerApp.serviceUrl
-	private static String serviceProtocol = "http";
-	// registerApp.checkCert
-	private static Boolean checkCert = Boolean.TRUE;
+	private String serviceProtocol;
 
 	public EcpAuthenticator() {
 		super();
 
+		Properties properties = Utils.loadProperties();
+		this.serviceUrl = properties.getProperty("regapp.serviceUrl");
+		this.serviceUsername = properties.getProperty("regapp.serviceUsername");
+		this.servicePassword = properties.getProperty("regapp.servicePassword");
+		this.checkCert = Boolean.valueOf(properties.getProperty("regapp.checkCert"));
+
 		logger.info("Constructing EcpAuthenticator");
+		logger.debug("RegApp service url {}", serviceUrl);
+		logger.debug("RegApp service username {}", serviceUsername);
+		logger.debug("RegApp service password {}", servicePassword);
+		logger.debug("RegApp check certificate {}", checkCert);
 	}
 
 	@Override
 	public LdapPrincipal authenticate(BindOperationContext bindContext) throws LdapException {
-		logger.debug("Starting ECP Auth routine for {}", bindContext.getDn());
-
 		try {
+			logger.debug("Starting ECP Auth routine for {}", bindContext.getDn());
+
 			LdapPrincipal principal = super.authenticate(bindContext);
 
 			logger.debug("SimpleAuthentication succeded, no ECP auth");
+
 			return principal;
+		} catch (NullPointerException e) {
+			logger.warn(e.getMessage());
 		} catch (LdapException e) {
 			logger.warn("LdapException", e);
 		}
 
-		logger.debug("ECP Authenticate called");
+		logger.debug("ECP authenticate called");
 
 		// TODO - needs to be reconsidered
 		//
@@ -104,7 +95,7 @@ public class EcpAuthenticator extends SimpleAuthenticator {
 		// bindContext.getEntry().get("description") == null)
 		// lookupUserPassword(bindContext);
 
-		String regId = "";
+		String regId = "007";
 
 		try {
 			regId = (String) bindContext.getEntry().get("description").get().getValue();
@@ -116,26 +107,20 @@ public class EcpAuthenticator extends SimpleAuthenticator {
 			throw new IllegalStateException("description not of type String");
 		}
 
-		byte[] credentials = bindContext.getCredentials();
-		String password;
+		String password = "";
 		try {
+			byte[] credentials = bindContext.getCredentials();
 			password = new String(credentials, "UTF-8");
+		} catch (NullPointerException e) {
+			logger.error("Context has no password", e);
+			// throw new IllegalStateException("entry has no description");
 		} catch (UnsupportedEncodingException e) {
-			logger.error("Unsupported encoding: UTF-8");
+			logger.error("Unsupported encoding: UTF-8", e);
 			throw new LdapAuthenticationException("Internal server error");
 		}
 
 		logger.debug("trying login for regId {}", regId);
 
-		if (System.getProperty("registerApp.serviceUrl") != null)
-			serviceUrl = System.getProperty("registerApp.serviceUrl");
-		if (System.getProperty("registerApp.serviceUsername") != null)
-			serviceUsername = System.getProperty("registerApp.serviceUsername");
-		if (System.getProperty("registerApp.servicePassword") != null)
-			servicePassword = System.getProperty("registerApp.servicePassword");
-		if (System.getProperty("registerApp.checkCert") != null)
-			checkCert = Boolean.parseBoolean(System.getProperty("registerApp.checkCert"));
-
 		try {
 			serviceHost = new URI(serviceUrl).getHost();
 			servicePort = new URI(serviceUrl).getPort();
@@ -148,43 +133,36 @@ public class EcpAuthenticator extends SimpleAuthenticator {
 		logger.debug("ECPAuth Config: url {}, user {}, pass {}, host {}, port {}, protocol {}, cert {}", new Object[] {
 				serviceUrl, serviceUsername, servicePassword, serviceHost, servicePort, serviceProtocol, checkCert });
 
-		DefaultHttpClient httpClient = getHttpClient(serviceProtocol, checkCert);
+		serviceUrl = serviceUrl.replaceAll("/$", "");
+		serviceUrl += "/" + regId;
 
-		httpClient.getCredentialsProvider().setCredentials(new AuthScope(serviceHost, servicePort),
-				new UsernamePasswordCredentials(serviceUsername, servicePassword));
+		HttpResponse response = null;
+		if (serviceProtocol.toLowerCase().equals("http")) {
+			HttpClient httpClient = new HttpClient();
+			response = httpClient.makeHTTPPostRequest(serviceUsername, servicePassword, "password=" + password,
+					serviceUrl);
+			logger.debug(String.valueOf(response.toString()));
+		} else if (serviceProtocol.toLowerCase().equals("https")) {
+			HttpsClient httpsClient = new HttpsClient();
+			response = httpsClient.makeHTTPSPostRequest(serviceUsername, servicePassword, "password=" + password,
+					serviceUrl);
+			logger.debug(String.valueOf(response.toString()));
+		} else {
+			logger.error("Unsupported protocol: {}", serviceProtocol.toLowerCase());
+			throw new LdapAuthenticationException("Internal server error");
+		}
 
-		HttpPost post;
-		try {
-			post = new HttpPost(serviceUrl + URLEncoder.encode(regId, "UTF-8"));
-
-			List<NameValuePair> nvps = new ArrayList<NameValuePair>();
-			nvps.add(new BasicNameValuePair("password", password));
-			post.setEntity(new UrlEncodedFormEntity(nvps, HTTP.UTF_8));
-
-			logger.debug(post.getEntity().toString());
-
-			HttpResponse response = httpClient.execute(post);
-
-			if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
-				String responseString = EntityUtils.toString(response.getEntity());
-				logger.debug(responseString);
-				return new LdapPrincipal(getDirectoryService().getSchemaManager(), bindContext.getDn(),
-						AuthenticationLevel.SIMPLE);
-			} else if (response.getStatusLine().getStatusCode() == HttpStatus.SC_UNAUTHORIZED) {
-				logger.info("User {} is not authorized by idp", regId);
-			} else {
-				logger.warn("Statuscode bad: {}", response.getStatusLine());
-				String responseString = EntityUtils.toString(response.getEntity());
-				logger.debug(responseString);
-			}
-		} catch (UnsupportedEncodingException e) {
-			logger.warn("UnsupportedEncodingException", e);
-		} catch (ClientProtocolException e) {
-			logger.warn("ClientProtocolException", e);
-		} catch (ParseException e) {
-			logger.warn("ParseException", e);
-		} catch (IOException e) {
-			logger.warn("IOException", e);
+		if (response.getStatusCode() == HttpStatus.SC_OK) {
+
+			return new LdapPrincipal(getDirectoryService().getSchemaManager(), bindContext.getDn(),
+					AuthenticationLevel.SIMPLE);
+
+		} else if (response.getStatusCode() == HttpStatus.SC_UNAUTHORIZED) {
+			logger.info("User {} is not authorized by idp", regId);
+		} else {
+			logger.warn("Statuscode bad: {}", response.getStatusCode());
+			String responseString = response.getResponseString();
+			logger.debug(responseString);
 		}
 
 		String message = I18n.err(I18n.ERR_230, bindContext.getDn().getName());
@@ -193,48 +171,6 @@ public class EcpAuthenticator extends SimpleAuthenticator {
 
 	}
 
-	private DefaultHttpClient getHttpClient(String serviceProtocol, Boolean checkCert) {
-		// TODO - remove in production
-		// HTTP support for testing
-		if (serviceProtocol.toLowerCase().equals("http")) {
-			return new DefaultHttpClient();
-		}
-		if (checkCert) {
-			return new DefaultHttpClient();
-		} else {
-			try {
-				SSLContext sslContext = SSLContext.getInstance("SSL");
-				sslContext.init(null, new TrustManager[] { new X509TrustManager() {
-					public X509Certificate[] getAcceptedIssuers() {
-						return null;
-					}
-
-					public void checkClientTrusted(X509Certificate[] certs, String authType) {
-					}
-
-					public void checkServerTrusted(X509Certificate[] certs, String authType) {
-					}
-				} }, new SecureRandom());
-
-				SSLSocketFactory sf = new SSLSocketFactory(sslContext, new AllowAllHostnameVerifier());
-				Scheme httpsScheme = new Scheme("https", 443, sf);
-				SchemeRegistry schemeRegistry = new SchemeRegistry();
-				schemeRegistry.register(httpsScheme);
-
-				// apache HttpClient version >4.2 should use
-				// BasicClientConnectionManager
-				ClientConnectionManager cm = new SingleClientConnManager(schemeRegistry);
-				return new DefaultHttpClient(cm);
-			} catch (KeyManagementException e) {
-				logger.warn("Problem while createing no cert check http client", e);
-				return new DefaultHttpClient();
-			} catch (NoSuchAlgorithmException e) {
-				logger.warn("Problem while createing no cert check http client", e);
-				return new DefaultHttpClient();
-			}
-		}
-	}
-
 	@SuppressWarnings("unused")
 	private byte[] lookupUserPassword(BindOperationContext bindContext) throws LdapException {
 		// ---- lookup the principal entry's userPassword attribute

src/main/java/edu/kit/scc/http/CustomSSLContext.java

+package edu.kit.scc.http;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.charset.StandardCharsets;
+import java.security.KeyManagementException;
+import java.security.KeyStore;
+import java.security.KeyStoreException;
+import java.security.NoSuchAlgorithmException;
+import java.security.cert.Certificate;
+import java.security.cert.CertificateException;
+import java.security.cert.CertificateFactory;
+import java.security.cert.X509Certificate;
+
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.TrustManager;
+import javax.net.ssl.TrustManagerFactory;
+import javax.net.ssl.X509TrustManager;
+
+public final class CustomSSLContext {
+
+	private static final String cert = "-----BEGIN CERTIFICATE-----\n"
+			+ "MIICNTCCAZ6gAwIBAgIES343gjANBgkqhkiG9w0BAQUFADBVMQswCQYDVQQGEwJV"
+			+ "UzELMAkGA1UECAwCQ0ExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxDTALBgNVBAoM"
+			+ "BFdTTzIxEjAQBgNVBAMMCWxvY2FsaG9zdDAeFw0xMDAyMTkwNzAyMjZaFw0zNTAy"
+			+ "MTMwNzAyMjZaMFUxCzAJBgNVBAYTAlVTMQswCQYDVQQIDAJDQTEWMBQGA1UEBwwN"
+			+ "TW91bnRhaW4gVmlldzENMAsGA1UECgwEV1NPMjESMBAGA1UEAwwJbG9jYWxob3N0"
+			+ "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCUp/oV1vWc8/TkQSiAvTousMzO"
+			+ "M4asB2iltr2QKozni5aVFu818MpOLZIr8LMnTzWllJvvaA5RAAdpbECb+48FjbBe"
+			+ "0hseUdN5HpwvnH/DW8ZccGvk53I6Orq7hLCv1ZHtuOCokghz/ATrhyPq+QktMfXn"
+			+ "RS4HrKGJTzxaCcU7OQIDAQABoxIwEDAOBgNVHQ8BAf8EBAMCBPAwDQYJKoZIhvcN"
+			+ "AQEFBQADgYEAW5wPR7cr1LAdq+IrR44iQlRG5ITCZXY9hI0PygLP2rHANh+PYfTm"
+			+ "xbuOnykNGyhM6FjFLbW2uZHQTY1jMrPprjOrmyK5sjJRO4d1DeGHT/YnIjs9JogR"
+			+ "Kv4XHECwLtIVdAbIdWHEtVZJyMSktcyysFcvuhPQK8Qc/E/Wq8uHSCo=" + "-----END CERTIFICATE-----";
+
+	private CustomSSLContext() {
+	}
+
+	public static SSLContext initSslContextWithCertificate(String cert) {
+
+		SSLContext sslContext = null;
+		InputStream in = null;
+		try {
+			CertificateFactory cf = CertificateFactory.getInstance("X.509");
+
+			in = new ByteArrayInputStream(cert.getBytes(StandardCharsets.UTF_8));
+			// in = new FileInputStream("saml-delegation.data.kit.edu");
+			Certificate ca = cf.generateCertificate(in);
+
+			String keyStoreType = KeyStore.getDefaultType();
+			KeyStore keystore = KeyStore.getInstance(keyStoreType);
+			keystore.load(null, null);
+			keystore.setCertificateEntry("ca", ca);
+
+			String tmfAlgorithm = TrustManagerFactory.getDefaultAlgorithm();
+			TrustManagerFactory tmf = TrustManagerFactory.getInstance(tmfAlgorithm);
+			tmf.init(keystore);
+
+			sslContext = SSLContext.getInstance("TLS");
+			sslContext.init(null, tmf.getTrustManagers(), null);
+
+		} catch (IOException e) {
+			e.printStackTrace();
+		} catch (CertificateException e) {
+			e.printStackTrace();
+		} catch (KeyStoreException e) {
+			e.printStackTrace();
+		} catch (NoSuchAlgorithmException e) {
+			e.printStackTrace();
+		} catch (KeyManagementException e) {
+			e.printStackTrace();
+		} catch (Exception e) {
+			e.printStackTrace();
+		} finally {
+			if (in != null)
+				try {
+					in.close();
+				} catch (IOException e) {
+					e.printStackTrace();
+				}
+		}
+		return sslContext;
+	}
+
+	public static SSLContext initEmptySslContext() {
+		SSLContext sslContext = null;
+		try {
+			sslContext = SSLContext.getInstance("TLS");
+
+			sslContext.init(null, new TrustManager[] { new X509TrustManager() {
+				@Override
+				public X509Certificate[] getAcceptedIssuers() {
+					return null;
+				}
+
+				@Override
+				public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {
+				}
+
+				@Override
+				public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {
+				}
+			} }, null);
+		} catch (NoSuchAlgorithmException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		} catch (KeyManagementException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}