com.mono.applink.Facebook.java Source code

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/*
 *      This file is part of AppLink <https://github.com/monossido/AppLink>
 *      
 *      AppLink 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.
 *      
 *      AppLink 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 Project Lumire.  If not, see <http://www.gnu.org/licenses/>.
 *      
 */
package com.mono.applink;

import java.io.DataOutputStream;
import java.io.IOException;
import java.net.MalformedURLException;

import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.ComponentName;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.DialogInterface.OnCancelListener;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;

public class Facebook extends Activity {

    Context context;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        context = this;

        final String url = getIntent().getData().toString();

        if (url.contains("posts") || url.contains("profile.php")
                || (!url.contains("&") && !url.contains("=") && url.length() > 24))
        //1)Posts->It is impossible to launch FeedbackActivity because of permission denied.
        //With root permission and "am start" it's impossible to pass a Long extra_key...
        //2)Profile
        //3)Nickname
        {
            new FacebookUser().execute();
        } else if (url.contains("sk=inbox"))//Message
        {
            new FacebookMessage().execute();
        } else if (url.contains("event.php"))//event
        {
            new FacebookEvent().execute();
        } else {
            AlertDialog.Builder builder = new AlertDialog.Builder(this);
            builder.setMessage("Sorry, but this type of link is not currently supported");
            builder.setOnCancelListener(new OnCancelListener() {
                public void onCancel(DialogInterface dialog) {
                    finish();
                }
            });
            builder.setPositiveButton("Open in Browser", new DialogInterface.OnClickListener() {
                public void onClick(DialogInterface dialog, int id) {
                    Intent i = new Intent();
                    i.setAction("android.intent.action.VIEW");
                    i.addCategory("android.intent.category.BROWSABLE");
                    i.setComponent(new ComponentName("com.android.browser", "com.android.browser.BrowserActivity"));
                    i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                    i.setData(Uri.parse(url));
                    startActivity(i);
                    finish();
                }
            });
            AlertDialog alert = builder.create();
            alert.show();
        }
    }

    private class FacebookMessage extends AsyncTask<String, String, String> {

        ProgressDialog dialog;

        @Override
        protected void onPreExecute() {
            dialog = ProgressDialog.show(Facebook.this, "", "Loading. Please wait...", true);
        }

        @Override
        protected String doInBackground(String... params) {
            //String tid = getIntent().getData().toString().replaceAll("^.*tid=", ""); //tid in facebook application != tid via web
            String commands = "am start -a android.intent.action.MAIN -a android.intent.action.VIEW -n com.facebook.katana/.activity.messages.MailboxTabHostActivity";
            return commands;
        }

        @Override
        protected void onPostExecute(String commands) {

            Process p;
            try {
                p = Runtime.getRuntime().exec("su");//it is impossible to launch MailboxTabHostActivity because of permission denied unless you have root permission
                DataOutputStream os = new DataOutputStream(p.getOutputStream());
                os.writeBytes(commands);
                os.flush();
            } catch (IOException e) {
                // TODO Auto-generated catch block   
                e.printStackTrace();
            }
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            dialog.cancel();
            android.os.Process.killProcess(android.os.Process.myPid());
        }
    }

    private class FacebookEvent extends AsyncTask<String, String, String> {

        ProgressDialog dialog;

        @Override
        protected void onPreExecute() {
            dialog = ProgressDialog.show(Facebook.this, "", "Loading. Please wait...", true);
        }

        @Override
        protected String doInBackground(String... params) {
            String eid = getIntent().getData().toString().replaceAll("^.*eid=", "").replaceAll("&.*$", ""); //tid in facebook application != tid via web
            String commands = "am start -a android.intent.action.MAIN -a android.intent.action.VIEW -n com.facebook.katana/.activity.events.EventDetailsActivity -d content://com.facebook.katana.provider.EventsProvider/events/eid/"
                    + eid;
            return commands;
        }

        @Override
        protected void onPostExecute(String commands) {
            Process p;
            try {
                p = Runtime.getRuntime().exec("su");//it is impossible to launch EventDetailsActivity because of permission denied unless you have root permission
                DataOutputStream os = new DataOutputStream(p.getOutputStream());
                os.writeBytes(commands);
                os.flush();
            } catch (IOException e) {
                // TODO Auto-generated catch block   
                e.printStackTrace();
            }
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            dialog.cancel();
            android.os.Process.killProcess(android.os.Process.myPid());
        }
    }

    private class FacebookUser extends AsyncTask<Void, Void, Void> {

        ProgressDialog dialog;
        Intent intent = new Intent();

        @Override
        protected void onPreExecute() {
            dialog = ProgressDialog.show(Facebook.this, "", "Loading. Please wait...", true);
        }

        @Override
        protected Void doInBackground(Void... params) {
            String user = null;
            Long id = null;
            String getIntent = getIntent().getData().toString();
            if (getIntent.contains("&id=") || getIntent.contains("?id=")) {
                user = getIntent.replaceFirst("^.*&id=", "").replaceFirst("^.*\\?id=", "").replaceAll("&.*$", "");
                id = Long.parseLong(user);
            } else {
                user = getIntent.replaceFirst("^.*/", "").replaceAll("^.*\\?", "").replaceAll("%2F.*$", "");
                HttpGet HttpGet = new HttpGet(
                        "https://api.facebook.com/method/fql.query?query=select%20uid%20from%20user%20where%20username=%22"
                                + user + "%22&format=xml");
                HttpResponse response = Facebook.simpleHttp(HttpGet);
                Element root = Facebook.simpleParser(response);

                NodeList ids = root.getElementsByTagName("uid");
                id = Long.parseLong(ids.item(0).getFirstChild().getNodeValue());
            }

            intent.setClassName("com.facebook.katana", "com.facebook.katana.ProfileTabHostActivity");
            //intent.putExtra("optin_origin", checkin);
            //intent.putExtra("user_profile", user);
            intent.putExtra("extra_user_id", id);
            return null;

        }

        @Override
        protected void onPostExecute(Void params) {
            dialog.cancel();
            finish();
            startActivity(intent);
        }
    }

    public static Element simpleParser(HttpResponse response) {
        Document docs = null;
        try {
            docs = DocumentBuilderFactory.newInstance().newDocumentBuilder()
                    .parse(response.getEntity().getContent());
        } catch (MalformedURLException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        } catch (SAXException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        } catch (IOException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        } catch (ParserConfigurationException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        }
        Element root = docs.getDocumentElement();

        return root;
    }

    public static HttpResponse simpleHttp(HttpGet HttpGet) {
        HttpResponse response = null;

        DefaultHttpClient client = new DefaultHttpClient();
        try {
            response = client.execute(HttpGet);

        } catch (ClientProtocolException e) {
        } catch (IOException e) {
        }
        return response;
    }
}