Java tutorial
/* * 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 java.io.IOException; import java.util.ArrayList; import java.util.List; import java.util.regex.Matcher; import java.util.regex.Pattern; import org.apache.http.NameValuePair; import org.apache.http.client.ClientProtocolException; import org.apache.http.message.BasicNameValuePair; import android.content.Context; import android.text.Html; import android.text.InputType; import com.liato.bankdroid.Helpers; import com.liato.bankdroid.R; 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 eu.nullbyte.android.urllib.Urllib; public abstract class IkanoPartnerBase extends Bank { private static final int INPUT_TYPE_USERNAME = InputType.TYPE_CLASS_PHONE; private static final int INPUT_TYPE_PASSWORD = InputType.TYPE_CLASS_PHONE; private static final String INPUT_HINT_USERNAME = "MMDDXXXX"; private Pattern reEventValidation = Pattern.compile("__EVENTVALIDATION\"\\s+value=\"([^\"]+)\""); private Pattern reViewState = Pattern.compile("(?:__|javax\\.faces\\.)VIEWSTATE\"\\s+.*?value=\"([^\"]+)\"", Pattern.CASE_INSENSITIVE); private Pattern reCtl = Pattern.compile("(ctl\\d{1,})_CustomValidationSummary", Pattern.CASE_INSENSITIVE); protected Pattern reTransactionsUrl = Pattern .compile("(page___\\d{1,}\\.aspx)\">(?:<span[^>]+>)?Transaktioner</", Pattern.CASE_INSENSITIVE); private Pattern reCreditInfoUrl = Pattern .compile("(page___\\d{1,}\\.aspx)\">(?:<span[^>]+>)?Kredit-? ?uppgifter</", Pattern.CASE_INSENSITIVE); private Pattern reAccounts = Pattern.compile( "captionLabel\">(?:<span></span>)?([^<]+)</span>\\s*</span>\\s*<span\\s*id=\"[^\"]+ReadOnlyValueSpan\">([^<]+)</span>\\s*<span\\s*id=\"[^\"]+currencyTextLiteralSpan\">([^<]+)</span>"); private Pattern reTransactions = Pattern.compile( "<td\\s*class=\"TransactionDateRow\">([^>]+)</td><td[^>]+>(.+?)</td><td[^>]+>([^<]+)</td><td[^>]+>([^<]+)</td>"); private String response = null; protected String structId; public IkanoPartnerBase(Context context) { super(context); super.INPUT_TYPE_USERNAME = INPUT_TYPE_USERNAME; super.INPUT_TYPE_PASSWORD = INPUT_TYPE_PASSWORD; super.INPUT_HINT_USERNAME = INPUT_HINT_USERNAME; } public IkanoPartnerBase(String username, String password, Context context) throws BankException, LoginException, BankChoiceException { this(context); this.update(username, password); } @Override protected LoginPackage preLogin() throws BankException, ClientProtocolException, IOException { urlopen = new Urllib(true); response = urlopen.open("https://partner.ikanobank.se/web/engines/page.aspx?structid=" + structId); Matcher matcher = reViewState.matcher(response); if (!matcher.find()) { throw new BankException(res.getText(R.string.unable_to_find).toString() + " ViewState."); } String viewState = matcher.group(1); matcher = reEventValidation.matcher(response); if (!matcher.find()) { throw new BankException(res.getText(R.string.unable_to_find).toString() + " EventValidation."); } String eventValidation = matcher.group(1); matcher = reCtl.matcher(response); if (!matcher.find()) { throw new BankException(res.getText(R.string.unable_to_find).toString() + " ctl."); } String ctl = matcher.group(1); List<NameValuePair> postData = new ArrayList<NameValuePair>(); postData.add(new BasicNameValuePair("__VIEWSTATE", viewState)); postData.add(new BasicNameValuePair("__EVENTVALIDATION", eventValidation)); postData.add(new BasicNameValuePair( ctl + "$LoginWebUserControl$SSNControl$SSNSimpleValueUsercontrol$editValueTextbox", username)); postData.add(new BasicNameValuePair( ctl + "$LoginWebUserControl$passwordSimpleValueControl$passwordSimpleValueControl$editValueTextbox", password)); postData.add(new BasicNameValuePair(ctl + "$LoginButton", "Logga in")); return new LoginPackage(urlopen, postData, response, "https://partner.ikanobank.se/web/engines/page.aspx?structid=" + structId); } @Override public Urllib login() throws LoginException, BankException { try { LoginPackage lp = preLogin(); response = urlopen.open(lp.getLoginTarget(), lp.getPostData()); if (response.contains("eller personnumme") || response.contains("elaktigt personnummer") || response.contains("ontrollera personnummer") || response.contains("elaktig inloggningskod")) { throw new LoginException(res.getText(R.string.invalid_username_password).toString()); } } catch (ClientProtocolException e) { throw new BankException(e.getMessage()); } catch (IOException e) { throw new BankException(e.getMessage()); } return urlopen; } @Override public void update() throws BankException, LoginException, BankChoiceException { super.update(); if (username == null || password == null || username.length() == 0 || password.length() == 0) { throw new LoginException(res.getText(R.string.invalid_username_password).toString()); } urlopen = login(); Matcher matcher; try { String creditPageUrl = null; String transactionsPageUrl = null; matcher = reCreditInfoUrl.matcher(response); if (matcher.find()) { creditPageUrl = matcher.group(1); } matcher = reTransactionsUrl.matcher(response); if (!matcher.find() && creditPageUrl == null) { throw new BankException(res.getText(R.string.unable_to_find).toString() + " transactions url."); } transactionsPageUrl = matcher.group(1); // If a url for the credit page is found we request that page first. If no url for the credit page is // found we only need to request the transactions page as all the credit info should be available on // that page. response = urlopen.open("https://partner.ikanobank.se/web/engines/" + (creditPageUrl == null ? transactionsPageUrl : creditPageUrl)); matcher = reAccounts.matcher(response); int accId = 0; while (matcher.find()) { /* * Capture groups: * GROUP EXAMPLE DATA * 1: Name Kvar att handla fr * 2: Amount 17 229,85 * 3: Currency kr * */ Account account = new Account(Html.fromHtml(matcher.group(1)).toString().trim(), Helpers.parseBalance(matcher.group(2)), Integer.toString(accId)); if (accId > 0) { account.setAliasfor("0"); } accounts.add(account); accId++; } if (accounts.isEmpty()) { throw new BankException(res.getText(R.string.no_accounts_found).toString()); } // Use the amount from "Kvar att handla fr" which should be the last account in the list. this.balance = accounts.get(accounts.size() - 1).getBalance(); if (creditPageUrl != null) { response = urlopen.open("https://partner.ikanobank.se/web/engines/" + transactionsPageUrl); } ArrayList<Transaction> transactions = new ArrayList<Transaction>(); matcher = reTransactions.matcher(response); while (matcher.find()) { /* * Capture groups: * GROUP EXAMPLE DATA * 1: Date 2011-02-27 * 2: Specification Best Buy<br> * 3: Amount 143,07 kr * 4: Currency SEK * */ Transaction transaction = new Transaction(matcher.group(1).trim(), Html.fromHtml(matcher.group(2).replaceAll("<br>", " ")).toString().trim(), Helpers.parseBalance(matcher.group(3))); transactions.add(transaction); } accounts.get(0).setTransactions(transactions); } catch (ClientProtocolException e) { throw new BankException(e.getMessage()); } catch (IOException e) { throw new BankException(e.getMessage()); } finally { super.updateComplete(); } } }