WIP: implementing X509 client cert authentication

src/android/com/silkimen/http/TLSConfiguration.java

@@ -0,0 +1,69 @@
+package com.silkimen.http;
+
+import java.io.IOException;
+import java.security.GeneralSecurityException;
+import java.security.KeyStore;
+import java.security.SecureRandom;
+import java.security.cert.X509Certificate;
+
+import javax.net.ssl.HostnameVerifier;
+import javax.net.ssl.KeyManager;
+import javax.net.ssl.KeyManagerFactory;
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.SSLSession;
+import javax.net.ssl.SSLSocketFactory;
+import javax.net.ssl.TrustManager;
+import javax.net.ssl.TrustManagerFactory;
+import javax.net.ssl.X509TrustManager;
+
+import com.silkimen.http.TLSSocketFactory;
+
+public class TLSConfiguration {
+  private TrustManager[] trustManagers;
+  private KeyManager[] keyManagers;
+  private HostnameVerifier hostnameVerifier;
+
+  private SSLSocketFactory socketFactory;
+
+  public void setHostnameVerifier(HostnameVerifier hostnameVerifier) {
+    this.hostnameVerifier = hostnameVerifier;
+  }
+
+  public void setKeyManagers(KeyManager[] keyManagers) {
+    this.keyManagers = keyManagers;
+    this.socketFactory = null;
+  }
+
+  public void setTrustManagers(TrustManager[] trustManagers) {
+    this.trustManagers = trustManagers;
+    this.socketFactory = null;
+  }
+
+  public HostnameVerifier getHostnameVerifier() {
+    return this.hostnameVerifier;
+  }
+
+  public SSLSocketFactory getTLSSocketFactory() throws IOException {
+    if (this.socketFactory != null) {
+      return this.socketFactory;
+    }
+
+    try {
+      SSLContext context = SSLContext.getInstance("TLS");
+
+      context.init(this.keyManagers, this.trustManagers, new SecureRandom());
+
+      if (android.os.Build.VERSION.SDK_INT < 20) {
+        this.socketFactory = new TLSSocketFactory(context);
+      } else {
+        this.socketFactory = context.getSocketFactory();
+      }
+
+      return this.socketFactory;
+    } catch (GeneralSecurityException e) {
+      IOException ioException = new IOException("Security exception occured while configuring TLS context");
+      ioException.initCause(e);
+      throw ioException;
+    }
+  }
+}