Android Open Source - saldo Ica Manager

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License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * Saldo - http://github.com/kria/saldo//from   ww  w.  jav  a2s  . c o m
 * 
 * Copyright (C) 2010 Kristian Adrup
 * 
 * This file is part of Saldo.
 * 
 * Saldo 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.
 *
 * Saldo 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 com.adrup.saldo.bank.ica;

import com.adrup.http.EasySSLSocketFactory;
import com.adrup.http.HttpException;
import com.adrup.http.HttpHelper;
import com.adrup.saldo.SaldoHttpClient;
import com.adrup.saldo.bank.Account;
import com.adrup.saldo.bank.AccountHashKey;
import com.adrup.saldo.bank.AuthenticationException;
import com.adrup.saldo.bank.BankException;
import com.adrup.saldo.bank.BankLogin;
import com.adrup.saldo.bank.BankManager;
import com.adrup.saldo.bank.RemoteAccount;

import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
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.impl.conn.tsccm.ThreadSafeClientConnManager;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpParams;

import android.content.Context;
import android.text.Html;
import android.util.Log;

import java.io.IOException;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * A ICA implementation of {@link BankManager}.
 * 
 * @author Kristian Adrup
 * 
 */
public class IcaManager implements BankManager {
  private static final String TAG = "IcaManager";
  private static final String NAME = "ICA";
  private static final String LOGIN_URL = "https://www.ica.se/Logga-in/?returnUrl=/Mina-sidor/Konto--Saldo/";
  private static final String USER_PARAM = "ctl00$cphFullWidthContainer$ctl02$tbPersno";
  private static final String PASS_PARAM = "ctl00$cphFullWidthContainer$ctl02$tbPasswd";
  private static final String BUTTON_PARAM = "ctl00$cphFullWidthContainer$ctl02$btnLogin";
  private static final String VIEWSTATE_PARAM = "__VIEWSTATE";

  private static final String VIEWSTATE_REGEX = "id=\"__VIEWSTATE\"\\s+value=\"([^\"]+)\"";
  private static final String ACCOUNTS_REGEX = "<tr>\\s*<th>\\s*([^<]+):\\s*</th>\\s*<td\\s+class=\"amount\">\\s*<span[^>]*>([\\d -\\.,]+) kr</span>";

  private BankLogin mBankLogin;
  private Context mContext;

  public IcaManager(BankLogin bankLogin, Context context) {
    this.mBankLogin = bankLogin;
    this.mContext = context;
  }

  @Override
  public String getName() {
    return NAME;
  }

  @Override
  public Map<AccountHashKey, RemoteAccount> getAccounts() throws BankException {
    return getAccounts(new LinkedHashMap<AccountHashKey, RemoteAccount>());
  }

  @Override
  public Map<AccountHashKey, RemoteAccount> getAccounts(Map<AccountHashKey, RemoteAccount> accounts) throws BankException {
    Log.d(TAG, "getAccounts()");

    SchemeRegistry schemeRegistry = new SchemeRegistry();
    schemeRegistry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
    // Android doesn't like ICA's cert, so we need a forgiving TrustManager
    schemeRegistry.register(new Scheme("https", new EasySSLSocketFactory(), 443));
    HttpParams params = new BasicHttpParams();
    HttpClient httpClient = new SaldoHttpClient(mContext, new ThreadSafeClientConnManager(params, schemeRegistry), null);

    try {
      // get login page

      Log.d(TAG, "getting login page");

      String res = HttpHelper.get(httpClient, LOGIN_URL);

      Matcher matcher = Pattern.compile(VIEWSTATE_REGEX).matcher(res);
      if (!matcher.find()) {
        Log.e(TAG, "No viewstate match.");
        Log.d(TAG, res);
        throw new IcaException("No viewState match.");
      }
      String viewState = matcher.group(1);
      Log.d(TAG, "viewState= " + viewState);

      // do login post, should redirect us to the accounts page
      List<NameValuePair> parameters = new ArrayList<NameValuePair>(3);

      parameters.add(new BasicNameValuePair(VIEWSTATE_PARAM, viewState));
      parameters.add(new BasicNameValuePair(USER_PARAM, mBankLogin.getUsername()));
      parameters.add(new BasicNameValuePair(PASS_PARAM, mBankLogin.getPassword()));
      parameters.add(new BasicNameValuePair(BUTTON_PARAM, "Logga in"));

      res = HttpHelper.post(httpClient, LOGIN_URL, parameters);

      if (res.contains("login-error")) {
        Log.d(TAG, "auth fail");
        throw new AuthenticationException("auth fail");
      }

      // extract account info
      matcher = Pattern.compile(ACCOUNTS_REGEX).matcher(res);

      int remoteId = 1;
      int count = 0;
      while (matcher.find()) {
        count++;
        int groupCount = matcher.groupCount();
        for (int i = 1; i <= groupCount; i++) {
          Log.d(TAG, i + ":" + matcher.group(i));
        }
        if (groupCount < 2) {
          throw new BankException("Pattern match issue: groupCount < 2");
        }

        int ordinal = remoteId;
        String name = Html.fromHtml(matcher.group(1)).toString();
        long balance = Long.parseLong(matcher.group(2).replaceAll("\\,|\\.| ", "")) / 100;
        accounts.put(new AccountHashKey(String.valueOf(remoteId), mBankLogin.getId()), new Account(String.valueOf(remoteId),
            mBankLogin.getId(), ordinal, name, balance));
        remoteId++;
      }
      if (count == 0) {
        Log.d(TAG, "no accounts added");
        Log.d(TAG, res);
      }
    } catch (IOException e) {
      Log.e(TAG, e.getMessage(), e);
      throw new IcaException(e.getMessage(), e);
    } catch (HttpException e) {
      Log.e(TAG, e.getMessage(), e);
      throw new IcaException(e.getMessage(), e);
    } finally {
      httpClient.getConnectionManager().shutdown();
    }

    return accounts;
  }
}

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