104 lines
3.7 KiB
Java
104 lines
3.7 KiB
Java
/****************************************************************************
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* Copyright (C) 2016-2018 Maschell
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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****************************************************************************/
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package de.mas.wiiu.jnus.utils.download;
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import java.io.IOException;
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import java.io.InputStream;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.Map;
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import de.mas.wiiu.jnus.Settings;
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public final class NUSDownloadService extends Downloader {
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private static NUSDownloadService defaultInstance = new NUSDownloadService(Settings.URL_BASE);
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private static Map<String, NUSDownloadService> instances = new HashMap<>();
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private final String URL_BASE;
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private byte[] defaultCertTicket = null;
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private NUSDownloadService(String URL) {
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this.URL_BASE = URL;
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}
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public static NUSDownloadService getDefaultInstance() {
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return defaultInstance;
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}
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public static NUSDownloadService getInstance(String URL) {
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if (!instances.containsKey(URL)) {
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NUSDownloadService instance = new NUSDownloadService(URL);
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instances.put(URL, instance);
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}
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return instances.get(URL);
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}
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public byte[] getDefaultCert() throws IOException {
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if (defaultCertTicket == null) {
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byte[] ticket = downloadTicketToByteArray(0x000500101000400AL); // Downloading cetk from OSv10
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defaultCertTicket = Arrays.copyOfRange(ticket, 0x350, 0x350 + 0x300);
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}
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return defaultCertTicket;
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}
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public byte[] downloadTMDToByteArray(long titleID, int version) throws IOException {
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String version_suf = "";
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if (version > Settings.LATEST_TMD_VERSION) version_suf = "." + version;
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String URL = URL_BASE + "/" + String.format("%016X", titleID) + "/tmd" + version_suf;
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return downloadFileToByteArray(URL);
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}
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/**
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* For the cert we need a part from a ticket. For this we simply load a public ticket and use it.
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*/
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public byte[] downloadDefaultCertToByteArray() throws IOException {
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return getDefaultCert();
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}
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public byte[] downloadTicketToByteArray(long titleID) throws IOException {
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String URL = URL_BASE + "/" + String.format("%016X", titleID) + "/cetk";
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return downloadFileToByteArray(URL);
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}
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public byte[] downloadToByteArray(String url) throws IOException {
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String URL = URL_BASE + "/" + url;
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return downloadFileToByteArray(URL);
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}
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public InputStream getInputStream(String URL, long offset) throws IOException {
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URL url_obj = new URL(URL);
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HttpURLConnection connection = (HttpURLConnection) url_obj.openConnection();
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connection.setRequestProperty("Range", "bytes=" + offset + "-");
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try {
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connection.connect();
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} catch (Exception e) {
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e.printStackTrace();
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}
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return connection.getInputStream();
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}
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public InputStream getInputStreamForURL(String url, long offset) throws IOException {
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String URL = URL_BASE + "/" + url;
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return getInputStream(URL, offset);
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}
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}
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