From 8a2d76c4903687b3f9199c125c2e945b9285d1a3 Mon Sep 17 00:00:00 2001
From: Reiner Herrmann <reiner@reiner-h.de>
Date: Thu, 27 Dec 2012 22:10:02 +0100
Subject: working SSL connection and POST request to deki.eu

---
 AndroidManifest.xml                 |   2 +
 README.cert                         |  13 ++++++
 res/layout/main.xml                 |   3 +-
 res/raw/deki_eu.bks                 | Bin 0 -> 5056 bytes
 src/eu/deki/paste/DekiEuPaste.java  |  81 ++++++++++++++++++++++++++++++++++++
 src/eu/deki/paste/MainActivity.java |  20 +++++++--
 src/eu/deki/paste/PasteTask.java    |  62 +++++++++++++++++++++++++++
 7 files changed, 177 insertions(+), 4 deletions(-)
 create mode 100644 README.cert
 create mode 100644 res/raw/deki_eu.bks
 create mode 100644 src/eu/deki/paste/DekiEuPaste.java
 create mode 100644 src/eu/deki/paste/PasteTask.java

diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index d9f6273..967c2dc 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -12,4 +12,6 @@
             </intent-filter>
         </activity>
     </application>
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
 </manifest> 
diff --git a/README.cert b/README.cert
new file mode 100644
index 0000000..99329fe
--- /dev/null
+++ b/README.cert
@@ -0,0 +1,13 @@
+Requires BouncyCastle provider
+Note: version 1.46 is required (as Android also uses this version)
+
+For non-selfsigned certificates, the root certificate of the CA has to be included (CACert: class 1 and 3 certs)
+
+
+CERTSTORE=res/raw/deki_eu.bks
+keytool -import -v -trustcacerts -alias 0 -file <(openssl x509 -in cacert-root1.crt) -keystore $CERTSTORE -storetype BKS -provider org.bouncycastle.jce.provider.BouncyCastleProvider -providerpath /tmp/bcprov-jdk15on-147.jar -storepass abcdefg
+keytool -import -v -trustcacerts -alias 1 -file <(openssl x509 -in cacert-root3.crt) -keystore $CERTSTORE -storetype BKS -provider org.bouncycastle.jce.provider.BouncyCastleProvider -providerpath /tmp/bcprov-jdk15on-147.jar -storepass abcdefg
+keytool -import -v -trustcacerts -alias 2 -file <(openssl x509 -in deki.eu.crt) -keystore $CERTSTORE -storetype BKS -provider org.bouncycastle.jce.provider.BouncyCastleProvider -providerpath /tmp/bcprov-jdk15on-147.jar -storepass abcdefg
+
+(see also: http://blog.crazybob.org/2010/02/android-trusting-ssl-certificates.html )
+
diff --git a/res/layout/main.xml b/res/layout/main.xml
index 8155076..f811f65 100644
--- a/res/layout/main.xml
+++ b/res/layout/main.xml
@@ -21,6 +21,7 @@
     <Button android:id="@+id/paste_button"
 	android:layout_width="fill_parent"
 	android:layout_height="wrap_content"
-	android:text="@string/paste_button" />
+	android:text="@string/paste_button"
+	android:onClick="onPasteButtonClick" />
 </LinearLayout>
 
diff --git a/res/raw/deki_eu.bks b/res/raw/deki_eu.bks
new file mode 100644
index 0000000..25c7abd
Binary files /dev/null and b/res/raw/deki_eu.bks differ
diff --git a/src/eu/deki/paste/DekiEuPaste.java b/src/eu/deki/paste/DekiEuPaste.java
new file mode 100644
index 0000000..a0d0ba9
--- /dev/null
+++ b/src/eu/deki/paste/DekiEuPaste.java
@@ -0,0 +1,81 @@
+package eu.deki.paste;
+
+import java.net.URL;
+import java.net.URLEncoder;
+import java.net.MalformedURLException;
+import javax.net.ssl.HttpsURLConnection;
+import javax.net.ssl.TrustManagerFactory;
+import javax.net.ssl.SSLContext;
+import java.io.OutputStream;
+import java.io.InputStream;
+import java.io.BufferedOutputStream;
+import java.io.IOException;
+import java.security.KeyStore;
+import android.content.Context;
+import android.util.Log;
+import eu.deki.paste.PasteTask;
+
+public class DekiEuPaste extends PasteTask
+{
+    private static final String pasteUrl = "https://deki.eu/paste/new";
+
+    public DekiEuPaste(Context parent)
+    {
+	super(parent);
+    }
+
+    @Override
+    protected String paste(String title, String content, String delay) throws IOException
+    {
+	System.setProperty("http.keepAlive", "false");
+
+	String request = "title=" + URLEncoder.encode(title) + "&content=" + URLEncoder.encode(content) + "&expiration=" + URLEncoder.encode(delay);
+
+	URL url;
+	try {
+	    url = new URL(pasteUrl);
+	} catch(MalformedURLException ex) {
+	    // will never happen because of hardcoded URL
+	    return null;
+	}
+
+	InputStream in = parentActivity.getResources().openRawResource(R.raw.deki_eu);
+	SSLContext context = null;
+	try
+	{
+	    KeyStore trustedStore = KeyStore.getInstance("BKS");
+	    trustedStore.load(in, "abcdefg".toCharArray());
+	    TrustManagerFactory tmf = TrustManagerFactory.getInstance("X509");
+	    //TrustManagerFactory tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
+	    tmf.init(trustedStore);
+	    context = SSLContext.getInstance("TLS");
+	    context.init(null, tmf.getTrustManagers(), null);
+	}
+	catch(Exception ex)
+	{
+	    Log.i("PasteIt", "Could not initialize certificate verification", ex);
+	    return null;
+	}
+	finally
+	{
+	    in.close();
+	}
+
+	HttpsURLConnection conn = (HttpsURLConnection) url.openConnection();
+	conn.setSSLSocketFactory(context.getSocketFactory());
+	conn.setDoOutput(true);
+	conn.setFixedLengthStreamingMode(request.getBytes().length);
+
+	OutputStream out = new BufferedOutputStream(conn.getOutputStream());
+	out.write(request.getBytes());
+	out.close();
+
+	conn.getHeaderFields();
+	String redirectUrl = conn.getURL().toString();
+
+	conn.disconnect();
+
+	return redirectUrl;
+    }
+}
+
diff --git a/src/eu/deki/paste/MainActivity.java b/src/eu/deki/paste/MainActivity.java
index 032fede..4f721b7 100644
--- a/src/eu/deki/paste/MainActivity.java
+++ b/src/eu/deki/paste/MainActivity.java
@@ -3,21 +3,35 @@ package eu.deki.paste;
 import android.app.Activity;
 import android.os.Bundle;
 import android.widget.Spinner;
+import android.widget.EditText;
 import android.widget.ArrayAdapter;
+import android.view.View;
+import eu.deki.paste.PasteTask;
+import eu.deki.paste.DekiEuPaste;
 
 public class MainActivity extends Activity
 {
-    private Spinner expiration;
-
     @Override
     public void onCreate(Bundle savedInstanceState)
     {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.main);
 
-	expiration = (Spinner) findViewById(R.id.expiration);
+	Spinner expiration = (Spinner) findViewById(R.id.expiration);
 	ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this, R.array.expiration_array, android.R.layout.simple_spinner_item);
 	//adapter.setDropDownViewResource(android.R.layout.simple_spinner_item);
 	expiration.setAdapter(adapter);
     }
+
+    public void onPasteButtonClick(View view)
+    {
+	EditText titleText = (EditText) findViewById(R.id.paste_title);
+	EditText contentText = (EditText) findViewById(R.id.paste_content);
+	Spinner expiration = (Spinner) findViewById(R.id.expiration);
+
+	// TODO: check network status
+	
+	new DekiEuPaste(this).execute(titleText.getText().toString(), contentText.getText().toString(), "1hour");
+    }
 }
+
diff --git a/src/eu/deki/paste/PasteTask.java b/src/eu/deki/paste/PasteTask.java
new file mode 100644
index 0000000..29b5c32
--- /dev/null
+++ b/src/eu/deki/paste/PasteTask.java
@@ -0,0 +1,62 @@
+package eu.deki.paste;
+
+import java.io.IOException;
+import android.os.AsyncTask;
+import android.widget.Toast;
+import android.content.Context;
+import android.util.Log;
+
+public abstract class PasteTask extends AsyncTask<String, Void, String>
+{
+    private String errorMessage = null;
+    protected Context parentActivity = null;
+
+    public PasteTask(Context parent)
+    {
+	super();
+	parentActivity = parent;
+    }
+
+    @Override
+    protected String doInBackground(String... params)
+    {
+	String title, content, expiration, result;
+
+	if(params.length != 3)
+	    return null;
+
+	title = params[0];
+	content = params[1];
+	expiration = params[2];
+
+	try
+	{
+	    result = paste(title, content, expiration);
+	}
+	catch(IOException ex)
+	{
+	    cancel(false);
+	    errorMessage = ex.getLocalizedMessage();
+	    result = errorMessage;
+	    Log.e("PasteIt", "doInBackground", ex);
+	}
+
+	return result;
+    }
+
+    @Override
+    protected void onPostExecute(String result)
+    {
+
+    }
+
+    @Override
+    protected void onCancelled()
+    {
+	//Toast toast = Toast.makeText(parentActivity.getApplicationContext(), errorMessage, Toast.LENGTH_SHORT);
+	//toast.show();
+    }
+
+    protected abstract String paste(String title, String content, String delay) throws IOException;
+}
+
-- 
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