1 files changed, 87 insertions, 0 deletions
diff --git a/src/se/leap/leapclient/LeapHttpClient.java b/src/se/leap/leapclient/LeapHttpClient.java
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+++ b/src/se/leap/leapclient/LeapHttpClient.java
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+/**
+ * Copyright (c) 2013 LEAP Encryption Access Project and contributers
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+ package se.leap.leapclient;
+
+import java.security.KeyStore;
+
+import org.apache.http.conn.ClientConnectionManager;
+import org.apache.http.conn.scheme.PlainSocketFactory;
+import org.apache.http.conn.scheme.Scheme;
+import org.apache.http.conn.scheme.SchemeRegistry;
+import org.apache.http.conn.ssl.SSLSocketFactory;
+import org.apache.http.impl.client.DefaultHttpClient;
+import org.apache.http.impl.conn.SingleClientConnManager;
+import android.content.Context;
+
+/**
+ * Implements an HTTP client, enabling LEAP Android app to manage its own runtime keystore or bypass default Android security measures.
+ * 
+ * @author rafa
+ *
+ */
+public class LeapHttpClient extends DefaultHttpClient {
+	final Context context;
+
+	private static LeapHttpClient client;
+
+	/**
+	 * If the class scope client is null, it creates one and imports, if existing, the main certificate from Shared Preferences. 
+	 * @param context
+	 * @return the new client.
+	 */
+	public static LeapHttpClient getInstance(Context context) {
+		if(client == null) {
+			client = new LeapHttpClient(context);
+			String cert_string = ConfigHelper.getStringFromSharedPref(ConfigHelper.MAIN_CERT_KEY);
+			if(cert_string != null) {
+				ConfigHelper.addTrustedCertificate("recovered_certificate", cert_string);
+			}
+		}
+		return client;
+	}
+
+	@Override
+	protected ClientConnectionManager createClientConnectionManager() {
+		SchemeRegistry registry = new SchemeRegistry();
+		registry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
+		registry.register(new Scheme("https", newSslSocketFactory(), 443));
+
+		return new SingleClientConnManager(getParams(), registry);
+	}
+
+	/**
+	 * Uses keystore from ConfigHelper for the SSLSocketFactory.
+	 * 
+	 * Sets hostname verifier to allow all hostname verifier.
+	 * @return
+	 */
+	private SSLSocketFactory newSslSocketFactory() {
+		try {
+			KeyStore trusted = ConfigHelper.getKeystore();
+			SSLSocketFactory sf = new SSLSocketFactory(trusted);
+			sf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
+
+			return sf;
+		} catch (Exception e) {
+			throw new AssertionError(e);
+		}
+	}
+
+	public LeapHttpClient(Context context) {
+		this.context = context;
+	}
+}