kitaev@213: /*
kitaev@213:  * Copyright (c) 2011 TMate Software Ltd
kitaev@213:  *  
kitaev@213:  * This program is free software; you can redistribute it and/or modify
kitaev@213:  * it under the terms of the GNU General Public License as published by
kitaev@213:  * the Free Software Foundation; version 2 of the License.
kitaev@213:  *
kitaev@213:  * This program is distributed in the hope that it will be useful,
kitaev@213:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
kitaev@213:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
kitaev@213:  * GNU General Public License for more details.
kitaev@213:  *
kitaev@213:  * For information on how to redistribute this software under
kitaev@213:  * the terms of a license other than GNU General Public License
kitaev@213:  * contact TMate Software at support@hg4j.com
kitaev@213:  */
kitaev@213: package org.tmatesoft.hg.console;
kitaev@213: 
kitaev@213: import java.io.File;
kitaev@213: import java.io.FileOutputStream;
kitaev@213: import java.io.IOException;
kitaev@213: import java.io.InputStream;
kitaev@213: import java.io.OutputStream;
kitaev@213: import java.net.HttpURLConnection;
kitaev@213: import java.net.URL;
kitaev@213: import java.security.cert.CertificateException;
kitaev@213: import java.security.cert.X509Certificate;
kitaev@213: import java.util.List;
kitaev@213: import java.util.Map;
kitaev@213: import java.util.prefs.Preferences;
kitaev@213: import java.util.zip.InflaterInputStream;
kitaev@213: 
kitaev@213: import javax.net.ssl.HttpsURLConnection;
kitaev@213: import javax.net.ssl.SSLContext;
kitaev@213: import javax.net.ssl.TrustManager;
kitaev@213: import javax.net.ssl.X509TrustManager;
kitaev@213: 
kitaev@213: import org.tmatesoft.hg.internal.ConfigFile;
kitaev@213: import org.tmatesoft.hg.internal.Internals;
kitaev@213: 
kitaev@213: /**
kitaev@213:  * WORK IN PROGRESS, DO NOT USE
kitaev@213:  * 
kitaev@213:  * @author Artem Tikhomirov
kitaev@213:  * @author TMate Software Ltd.
kitaev@213:  */
kitaev@213: public class Remote {
kitaev@213: 
kitaev@213: 	/*
kitaev@213: 	 * @see http://mercurial.selenic.com/wiki/WireProtocol
kitaev@213: 	 cmd=branches gives 4 nodeids (head, root, first parent, second parent) per line (few lines possible, per branch, perhaps?)
kitaev@213: 	 cmd=capabilities gives lookup ...subset and 3 compress methods
kitaev@213: 	 // lookup changegroupsubset unbundle=HG10GZ,HG10BZ,HG10UN
kitaev@213: 	 cmd=heads gives space-separated list of nodeids (or just one)
kitaev@213: 	 nodeids are in hex (printable) format, need to convert fromAscii()
kitaev@213: 	 cmd=branchmap
kitaev@213: 	 cmd=between needs argument pairs, with first element in the pair to be head(!), second to be root of the branch (
kitaev@213: 	 	i.e. (newer-older), not (older-newer) as one might expect. Returned list of nodes comes in reversed order (from newer
kitaev@213: 	 	to older) as well
kitaev@213: 
kitaev@213: 	cmd=branches&nodes=d6d2a630f4a6d670c90a5ca909150f2b426ec88f+
kitaev@213: 	head, root, first parent, second parent
kitaev@213: 	received: d6d2a630f4a6d670c90a5ca909150f2b426ec88f dbd663faec1f0175619cf7668bddc6350548b8d6 0000000000000000000000000000000000000000 0000000000000000000000000000000000000000
kitaev@213: 	
kitaev@213: 	Sequence, for actual state with merged/closed branch, where 157:d5268ca7715b8d96204fc62abc632e8f55761547 is merge revision of 156 and 53 
kitaev@213: 	>branches, 170:71ddbf8603e8e09d54ac9c5fe4bb5ae824589f1d
kitaev@213: 	 71ddbf8603e8e09d54ac9c5fe4bb5ae824589f1d d5268ca7715b8d96204fc62abc632e8f55761547 643ddec3be36246fc052cf22ece503fa60cafe22 a6f39e595b2b54f56304470269a936ead77f5725
kitaev@213: 
kitaev@213: 	>branches, 156:643ddec3be36246fc052cf22ece503fa60cafe22
kitaev@213: 	 643ddec3be36246fc052cf22ece503fa60cafe22 ade65afe0906febafbf8a2e41002052e0e446471 08754fce5778a3409476ecdb3cec6b5172c34367 40d04c4f771ebbd599eb229145252732a596740a
kitaev@213: 	>branches, 53:a6f39e595b2b54f56304470269a936ead77f5725
kitaev@213: 	 a6f39e595b2b54f56304470269a936ead77f5725 a6f39e595b2b54f56304470269a936ead77f5725 9429c7bd1920fab164a9d2b621d38d57bcb49ae0 30bd389788464287cee22ccff54c330a4b715de5
kitaev@213: 
kitaev@213: 	>branches, 84:08754fce5778a3409476ecdb3cec6b5172c34367  (p1:82) 
kitaev@213: 	 08754fce5778a3409476ecdb3cec6b5172c34367 dbd663faec1f0175619cf7668bddc6350548b8d6 0000000000000000000000000000000000000000 0000000000000000000000000000000000000000
kitaev@213: 	>branches, 83:40d04c4f771ebbd599eb229145252732a596740a (p1:80)
kitaev@213: 	 40d04c4f771ebbd599eb229145252732a596740a dbd663faec1f0175619cf7668bddc6350548b8d6 0000000000000000000000000000000000000000 0000000000000000000000000000000000000000
kitaev@213: 
kitaev@213: 	>branches, 51:9429c7bd1920fab164a9d2b621d38d57bcb49ae0 (wrap-data-access branch)
kitaev@213: 	 9429c7bd1920fab164a9d2b621d38d57bcb49ae0 dbd663faec1f0175619cf7668bddc6350548b8d6 0000000000000000000000000000000000000000 0000000000000000000000000000000000000000
kitaev@213: 	>branches, 52:30bd389788464287cee22ccff54c330a4b715de5 (p1:50)
kitaev@213: 	 30bd389788464287cee22ccff54c330a4b715de5 dbd663faec1f0175619cf7668bddc6350548b8d6 0000000000000000000000000000000000000000 0000000000000000000000000000000000000000
kitaev@213: 
kitaev@213: 
kitaev@213: 	cmd=between&pairs=71ddbf8603e8e09d54ac9c5fe4bb5ae824589f1d-d5268ca7715b8d96204fc62abc632e8f55761547+40d04c4f771ebbd599eb229145252732a596740a-dbd663faec1f0175619cf7668bddc6350548b8d6
kitaev@213: 	 8c8e3f372fa1fbfcf92b004b6f2ada2dbaf60028 dd525ca65de8e78cb133919de57ea0a6e6454664 1d0654be1466d522994f8bead510e360fbeb8d79 c17a08095e4420202ac1b2d939ef6d5f8bebb569
kitaev@213: 	 4222b04f34ee885bc1ad547c7ef330e18a51afc1 5f9635c016819b322ae05a91b3378621b538c933 c677e159391925a50b9a23f557426b2246bc9c5d 0d279bcc44427cb5ae2f3407c02f21187ccc8aea e21df6259f8374ac136767321e837c0c6dd21907 b01500fe2604c2c7eadf44349cce9f438484474b 865bf07f381ff7d1b742453568def92576af80b6
kitaev@213: 
kitaev@213: 	Between two subsequent revisions (i.e. direct child in remote of a local root) 
kitaev@213: 	cmd=between&pairs=71ddbf8603e8e09d54ac9c5fe4bb5ae824589f1d-8c8e3f372fa1fbfcf92b004b6f2ada2dbaf60028
kitaev@213: 	 empty result
kitaev@213: 	 */
kitaev@213: 	public static void main(String[] args) throws Exception {
kitaev@213: 		ConfigFile cfg = new Internals().newConfigFile();
kitaev@213: 		cfg.addLocation(new File(System.getProperty("user.home"), ".hgrc"));
kitaev@213: 		String svnkitServer = cfg.getSection("paths").get("svnkit");
kitaev@213: //		URL url = new URL(svnkitServer + "?cmd=branches&nodes=30bd389788464287cee22ccff54c330a4b715de5");
kitaev@213: //		URL url = new URL(svnkitServer + "?cmd=between"); 
kitaev@213: 		URL url = new URL(svnkitServer + "?cmd=changegroup&roots=71ddbf8603e8e09d54ac9c5fe4bb5ae824589f1d");
kitaev@213: //		URL url = new URL("http://localhost:8000/" + "?cmd=between");
kitaev@213: //		URL url = new URL(svnkitServer + "?cmd=stream_out");
kitaev@213: 	
kitaev@213: 		SSLContext sslContext = SSLContext.getInstance("SSL");
kitaev@213: 		class TrustEveryone implements X509TrustManager {
kitaev@213: 			public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {
kitaev@213: 				System.out.println("checkClientTrusted " + authType);
kitaev@213: 			}
kitaev@213: 			public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {
kitaev@213: 				System.out.println("checkServerTrusted" + authType);
kitaev@213: 			}
kitaev@213: 			public X509Certificate[] getAcceptedIssuers() {
kitaev@213: 				return new X509Certificate[0];
kitaev@213: 			}
kitaev@213: 		}
kitaev@213: 		// Hack to get Base64-encoded credentials
kitaev@213: 		Preferences tempNode = Preferences.userRoot().node("xxx");
kitaev@213: 		tempNode.putByteArray("xxx", url.getUserInfo().getBytes());
kitaev@213: 		String authInfo = tempNode.get("xxx", null);
kitaev@213: 		tempNode.removeNode();
kitaev@213: 		//
kitaev@213: 		sslContext.init(null, new TrustManager[] { new TrustEveryone() }, null);
kitaev@213: 		HttpsURLConnection urlConnection = (HttpsURLConnection) url.openConnection();
kitaev@213: //		HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
kitaev@213: 		urlConnection.setRequestProperty("User-Agent", "jhg/0.1.0");
kitaev@213: 		urlConnection.setRequestProperty("Accept", "application/mercurial-0.1");
kitaev@213: 		urlConnection.setRequestProperty("Authorization", "Basic " + authInfo);
kitaev@213: 		urlConnection.setSSLSocketFactory(sslContext.getSocketFactory());
kitaev@213: //		byte[] body = "pairs=f5aed108754e817d2ca374d1a4f6daf1218dcc91-9429c7bd1920fab164a9d2b621d38d57bcb49ae0".getBytes();
kitaev@213: //		urlConnection.setRequestMethod("POST");
kitaev@213: //		urlConnection.setRequestProperty("Content-Length", String.valueOf(body.length));
kitaev@213: //		urlConnection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
kitaev@213: //		urlConnection.setDoOutput(true);
kitaev@213: //		urlConnection.setDoInput(true);
kitaev@213: 		urlConnection.connect();
kitaev@213: //		OutputStream os = urlConnection.getOutputStream();
kitaev@213: //		os.write(body);
kitaev@213: //		os.flush();
kitaev@213: //		os.close();
kitaev@213: 		System.out.println("Query:" + url.getQuery());
kitaev@213: 		System.out.println("Response headers:");
kitaev@213: 		final Map<String, List<String>> headerFields = urlConnection.getHeaderFields();
kitaev@213: 		for (String s : headerFields.keySet()) {
kitaev@213: 			System.out.printf("%s: %s\n", s, urlConnection.getHeaderField(s));
kitaev@213: 		}
kitaev@213: 		System.out.printf("Content type is %s and its length is %d\n", urlConnection.getContentType(), urlConnection.getContentLength());
kitaev@213: 		InputStream is = urlConnection.getInputStream();
kitaev@213: 		//
kitaev@213: //		dump(is, -1); // simple dump, any cmd
kitaev@213: 		writeBundle(is, false, "HG10GZ"); // cmd=changegroup
kitaev@213: 		//writeBundle(is, true, "" or "HG10UN");
kitaev@213: 		//
kitaev@213: 		urlConnection.disconnect();
kitaev@213: 		//
kitaev@213: 	}
kitaev@213: 
kitaev@213: 	private static void dump(InputStream is, int limit) throws IOException {
kitaev@213: 		int b;
kitaev@213: 		while ((b =is.read()) != -1) {
kitaev@213: 			System.out.print((char) b);
kitaev@213: 			if (limit != -1) {
kitaev@213: 				if (--limit < 0) {
kitaev@213: 					break;
kitaev@213: 				}
kitaev@213: 			}
kitaev@213: 		}
kitaev@213: 		System.out.println();
kitaev@213: 	}
kitaev@213: 	
kitaev@213: 	private static void writeBundle(InputStream is, boolean decompress, String header) throws IOException {
kitaev@213: 		InputStream zipStream = decompress ? new InflaterInputStream(is) : is;
kitaev@213: 		File tf = File.createTempFile("hg-bundle-", null);
kitaev@213: 		FileOutputStream fos = new FileOutputStream(tf);
kitaev@213: 		fos.write(header.getBytes());
kitaev@213: 		int r;
kitaev@213: 		byte[] buf = new byte[8*1024];
kitaev@213: 		while ((r = zipStream.read(buf)) != -1) {
kitaev@213: 			fos.write(buf, 0, r);
kitaev@213: 		}
kitaev@213: 		fos.close();
kitaev@213: 		zipStream.close();
kitaev@213: 		System.out.println(tf);
kitaev@213: 	}
kitaev@213: }