/*
* This file is part of Transdroid Torrent Search
* <http://code.google.com/p/transdroid-search/>
*
* Transdroid Torrent Search is free software: you can redistribute
* it and/or modify it under the terms of the GNU Lesser General
* Public License as published by the Free Software Foundation,
* either version 3 of the License, or (at your option) any later
* version.
*
* Transdroid Torrent Search 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Transdroid. If not, see <http://www.gnu.org/licenses/>.
*/
package org.transdroid.search.BitHdtv;
import android.content.SharedPreferences;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.message.BasicNameValuePair;
import org.transdroid.search.ISearchAdapter;
import org.transdroid.search.SearchResult;
import org.transdroid.search.SortOrder;
import org.transdroid.search.TorrentSite;
import org.transdroid.search.gui.SettingsHelper;
import org.transdroid.util.HttpHelper;
import java.io.InputStream;
import java.net.URLEncoder;
import java.security.InvalidParameterException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Date;
import java.util.List;
import java.util.Locale;
import javax.security.auth.login.LoginException;
/**
* An adapter that provides access to BitHDTV searches by parsing the raw HTML output.
*/
public class BitHdtvAdapter implements ISearchAdapter {
private static final String LOGIN_USER = "username";
private static final String LOGIN_PASS = "password";
private static final String LOGINURL = "https://www.bit-hdtv.com/takelogin.php";
private static final String QUERYURL = "https://www.bit-hdtv.com/torrents.php?search=%1$s&cat=0%2$s";
private static final String SORT_COMPOSITE = "";
private static final String SORT_SEEDS = "&sort=7&type=desc";
private final SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.US);
private HttpClient prepareRequest(SharedPreferences prefs) throws Exception {
String username = SettingsHelper.getSiteUser(prefs, TorrentSite.BitHdtv);
String password = SettingsHelper.getSitePass(prefs, TorrentSite.BitHdtv);
if (username == null || password == null) {
throw new InvalidParameterException("No username or password was provided, while this is required for this private site.");
}
// First log in
HttpClient httpclient = HttpHelper.buildDefaultSearchHttpClient(false);
HttpPost loginPost = new HttpPost(LOGINURL);
loginPost.setEntity(new UrlEncodedFormEntity(
Arrays.asList(new BasicNameValuePair(LOGIN_USER, username), new BasicNameValuePair(LOGIN_PASS, password))));
HttpResponse loginResult = httpclient.execute(loginPost);
if (loginResult.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
// Failed to sign in
throw new LoginException("Login failure for BitHdTv with user " + username);
}
String loginHtml = HttpHelper.convertStreamToString(loginResult.getEntity().getContent());
final String LOGIN_ERROR = "Login failed!";
if (loginHtml == null || loginHtml.contains(LOGIN_ERROR)) {
// Failed to sign in
throw new LoginException("Login failure for BitHdTv with user " + username);
}
return httpclient;
}
@Override
public List<SearchResult> search(SharedPreferences prefs, String query, SortOrder order, int maxResults) throws Exception {
HttpClient httpclient = prepareRequest(prefs);
final String url = String.format(QUERYURL, URLEncoder.encode(query, "UTF-8"), (order == SortOrder.BySeeders ? SORT_SEEDS : SORT_COMPOSITE));
// Start synchronous search
// Make request
HttpGet httpget = new HttpGet(url);
HttpResponse response = httpclient.execute(httpget);
// Read HTML response
InputStream instream = response.getEntity().getContent();
String html = HttpHelper.convertStreamToString(instream);
instream.close();
return parseHtml(html, maxResults);
}
@Override
public InputStream getTorrentFile(SharedPreferences prefs, String url) throws Exception {
// Provide an authenticated file handle to the requested url
HttpClient httpclient = prepareRequest(prefs);
HttpResponse response = httpclient.execute(new HttpGet(url));
return response.getEntity().getContent();
}
protected List<SearchResult> parseHtml(String html, int maxResults) throws Exception {
// Texts to find subsequently
final String NOMATCH = "No match!";
final String RESULTS = "<!-- uj rendezes kezdodik -->";
final String TORRENT = "<td class=detail align=center><p><a href='";
// Parse the search results from HTML by looking for the identifying texts
List<SearchResult> results = new ArrayList<>();
if (html.contains(NOMATCH)) {
return results; // Success, but no result for this query
}
int resultsStart = html.indexOf(RESULTS) + RESULTS.length();
int torStart = html.indexOf(TORRENT, resultsStart);
while (torStart >= 0 && results.size() < maxResults) {
int nextTorrentIndex = html.indexOf(TORRENT, torStart + TORRENT.length());
if (nextTorrentIndex >= 0) {
results.add(parseHtmlItem(html.substring(torStart + TORRENT.length(), nextTorrentIndex)));
} else {
results.add(parseHtmlItem(html.substring(torStart + TORRENT.length())));
}
torStart = nextTorrentIndex;
}
return results;
}
private SearchResult parseHtmlItem(String htmlItem) {
// Texts to find subsequently
final String LINK_END = "'><img src='/pic/dwnld.gif'";
final String NAME = "<a title=\"";
final String NAME_END = "\" href=\"";
final String DETAILS = "\" href=\"";
final String DETAILS_END = "\">";
final String DATE = "<td class=detail align=center>";
final String DATE_END = "</td>";
final String SIZE = "<td class=detail align=center>";
final String SIZE_END = "</td>";
final String SEEDERS = "#seeders\">";
final String SEEDERS_END = "</a>";
final String LEECHERS = "#leechers\">";
final String LEECHERS_END = "</a>";
final String PREFIX = "http://www.bit-hdtv.com/";
// Link starts right at the beginning of an item
String link = PREFIX + htmlItem.substring(0, htmlItem.indexOf(LINK_END));
int nameStart = htmlItem.indexOf(NAME, 0) + NAME.length();
String name = htmlItem.substring(nameStart, htmlItem.indexOf(NAME_END, nameStart));
int detailsStart = htmlItem.indexOf(DETAILS, nameStart) + DETAILS.length();
String details = htmlItem.substring(detailsStart, htmlItem.indexOf(DETAILS_END, detailsStart));
int dateStart = htmlItem.indexOf(DATE, detailsStart) + DATE.length();
String dateText = htmlItem.substring(dateStart, htmlItem.indexOf(DATE_END, dateStart));
Date date = null;
try {
date = df.parse(dateText);
} catch (ParseException e) {
// Not parsable; just leave it at null
}
int sizeStart = htmlItem.indexOf(SIZE, dateStart) + SIZE.length();
String size = htmlItem.substring(sizeStart, htmlItem.indexOf(SIZE_END, sizeStart));
size = size.replace("<br>", "");
int seedersStart = htmlItem.indexOf(SEEDERS, dateStart);
int seeders = 0;
if (seedersStart >= 0) {
seedersStart += SEEDERS.length();
String seedersText = htmlItem.substring(seedersStart, htmlItem.indexOf(SEEDERS_END, seedersStart));
seeders = Integer.parseInt(seedersText);
}
int leechersStart = htmlItem.indexOf(LEECHERS, dateStart);
int leechers = 0;
if (leechersStart >= 0) {
leechersStart += LEECHERS.length();
String leechersText = htmlItem.substring(leechersStart, htmlItem.indexOf(LEECHERS_END, leechersStart));
leechers = Integer.parseInt(leechersText);
}
return new SearchResult(name, link, details, size, date, seeders, leechers);
}
@Override
public String buildRssFeedUrlFromSearch(String query, SortOrder order) {
// BIT-HDTV doesn't support RSS feed-based searches
return null;
}
@Override
public String getSiteName() {
return "BIT-HDTV";
}
@Override
public boolean isPrivateSite() {
return true;
}
@Override
public boolean usesToken() {
return false;
}
}