PlusGirot.java

/*
 * Copyright (C) 2010 Nullbyte <http://nullbyte.eu>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.liato.bankdroid.banking.banks;

import com.liato.bankdroid.Helpers;
import com.liato.bankdroid.banking.Account;
import com.liato.bankdroid.banking.Bank;
import com.liato.bankdroid.banking.Transaction;
import com.liato.bankdroid.banking.exceptions.BankChoiceException;
import com.liato.bankdroid.banking.exceptions.BankException;
import com.liato.bankdroid.banking.exceptions.LoginException;
import com.liato.bankdroid.legacy.R;
import com.liato.bankdroid.provider.IBankTypes;

import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;

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

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

import eu.nullbyte.android.urllib.CertificateReader;
import eu.nullbyte.android.urllib.Urllib;

public class PlusGirot extends Bank {

    private static final String NAME = "PlusGirot";

    private static final String URL = "https://kontoutdrag.plusgirot.se/";

    private static final int BANKTYPE_ID = IBankTypes.PLUSGIROT;

    private Pattern reAccounts = Pattern.compile(
            "<tr>\\s*<td[^>]+>\\s*<font[^>]+>([^<]+)</font>\\s*</td>\\s*<td[^>]+><font[^>]+>\\s*<font[^>]+>([^<]+)</font>\\s*</td>\\s*<td[^>]+>\\s*<font[^>]+>([^<]+)</font>\\s*</td>\\s*<td[^>]+>\\s*<font[^>]+>([^<]+)</font>",
            Pattern.CASE_INSENSITIVE);

    private Pattern reTransactions = Pattern.compile(
            "<a[^>]+>([^<]+)</a>\\s*</font>\\s*</td>\\s*<td[^>]+>\\s*<font[^>]+>([^<]+)</font>\\s*</td>\\s*<td[^>]+>\\s*<font[^>]+>([^<]+)</font>\\s*</td>\\s*<td[^>]+>\\s*<font[^>]+>([^<]+)</f",
            Pattern.CASE_INSENSITIVE);

    private String response = null;

    public PlusGirot(Context context) {
        super(context, R.drawable.logo_plusgirot);
        super.url = URL;
    }

    @Override
    public int getBanktypeId() {
        return BANKTYPE_ID;
    }

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

    public PlusGirot(String username, String password, Context context) throws BankException,
            LoginException, BankChoiceException, IOException {
        this(context);
        this.update(username, password);
    }


    @Override
    protected LoginPackage preLogin() throws BankException, IOException {
        urlopen = new Urllib(context,
                CertificateReader.getCertificates(context, R.raw.cert_plusgirot));
        // Request first page to get cookies
        response = urlopen.open("https://kontoutdrag.plusgirot.se/ku/html/epostllg.htm");

        List<NameValuePair> postData = new ArrayList<NameValuePair>();
        postData.add(new BasicNameValuePair("KONTO", getUsername()));
        postData.add(new BasicNameValuePair("PIN_KOD", getPassword()));
        return new LoginPackage(urlopen, postData, response,
                "https://kontoutdrag.plusgirot.se/ku/bgya006/init");
    }

    @Override
    public Urllib login() throws LoginException, BankException, IOException {
        LoginPackage lp = preLogin();
        response = urlopen.open(lp.getLoginTarget(), lp.getPostData());
        if (response.contains("elaktigt kontonummer")) {
            throw new LoginException(res.getText(R.string.invalid_username_password).toString());
        }
        return urlopen;
    }

    @Override
    public void update() throws BankException, LoginException, BankChoiceException, IOException {
        super.update();
        if (getUsername().isEmpty() || getPassword().isEmpty()) {
            throw new LoginException(res.getText(R.string.invalid_username_password).toString());
        }
        urlopen = login();

        Matcher matcher = reAccounts.matcher(response);
        if (matcher.find()) {
            /*
             * Capture groups:
             * GROUP                EXAMPLE DATA
             * 1: Account holder    Efternamn,Fornamn
             * 2: PG account        456 12 34-5
             * 3: Amount            123,45
             * 4: Credit            24,68
             *
             */
            Account account = new Account(
                    matcher.group(2).trim() + " (" + Html.fromHtml(matcher.group(1)).toString()
                            .trim() + ")",
                    Helpers.parseBalance(matcher.group(3)),
                    matcher.group(2).trim().replaceAll("[^0-9]*", ""));
            accounts.add(account);
            balance = balance.add(Helpers.parseBalance(matcher.group(3)));
        }

        if (accounts.isEmpty()) {
            throw new BankException(res.getText(R.string.no_accounts_found).toString());
        }

        matcher = reTransactions.matcher(response);
        ArrayList<Transaction> transactions = new ArrayList<Transaction>();
        while (matcher.find()) {
            /*
             * Capture groups:
             * GROUP                EXAMPLE DATA
             * 1: Date              2011-04-04
             * 2: Specification     UTTAG
             * 3: Payment code      Inr.
             * 4: Amount            -100,00
             *
             */
            transactions.add(
                    new Transaction(matcher.group(1).trim(),
                            Html.fromHtml(matcher.group(2)).toString().trim() + " " + Html.fromHtml(
                                    matcher.group(3)).toString().trim(),
                            Helpers.parseBalance(matcher.group(4))));
        }
        accounts.get(0).setTransactions(transactions);
        super.updateComplete();
    }
}