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yacy_search_server
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added html dirlisting generation in ftpc.java:

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ftpc.dirhtml() generates a StringBuffer with a complete web page

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@2491 6c8d7289-2bf4-0310-a012-ef5d649a1542
pull/1/head
orbiter 19 years ago
parent 2dacf63dd9
commit 17ba468165
1 changed files with 133 additions and 52 deletions
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185
source/de/anomic/net/ftpc.java
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@ -2,9 +2,10 @@
// -------------------------------------
// (C) by Michael Peter Christen; mc@anomic.de
// first published on http://www.anomic.de
// Frankfurt, Germany, 2004
// Frankfurt, Germany, 2002, 2004, 2006
// main implementation finished: 28.05.2002
// last major change: 06.05.2004
// added html generation for directories: 5.9.2006
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
@ -107,9 +108,6 @@ public class ftpc {
// output and input streams for client control connection
private BufferedReader clientInput = null;
private DataOutputStream clientOutput = null;
// server this client is connected to
private String account = null;
// client prompt
private String prompt = "ftp [local]>";
@ -496,28 +494,11 @@ public class ftpc {
public boolean DISCONNECT() {
try {
// send delete command
send("QUIT");
// read status reply
String reply = receive();
if (Integer.parseInt(reply.substring(0, 1)) != 2) throw new IOException(reply);
// cleanup
if (ControlSocket != null) {
clientOutput.close();
clientInput.close();
ControlSocket.close();
}
if (DataSocketActive != null) DataSocketActive.close();
if (DataSocketPassive != null) DataSocketPassive.close();
quit();
out.println(logPrefix + "---- Connection closed.");
} catch (IOException e) {
err.println(logPrefix + "---- Connection to server lost.");
}
this.account = null;
this.ControlSocket = null;
this.DataSocketActive = null;
this.DataSocketPassive = null;
@ -527,6 +508,28 @@ public class ftpc {
return true;
}
private String quit() throws IOException {
// send delete command
send("QUIT");
// read status reply
String reply = receive();
if (Integer.parseInt(reply.substring(0, 1)) != 2) throw new IOException(reply);
// cleanup
if (ControlSocket != null) {
clientOutput.close();
clientInput.close();
ControlSocket.close();
}
if (DataSocketActive != null) DataSocketActive.close();
if (DataSocketPassive != null) DataSocketPassive.close();
return reply;
}
public boolean EXIT() {
return QUIT();
}
@ -1176,7 +1179,6 @@ cd ..
err.println(logPrefix + "---- Syntax: OPEN <host> [<port>]");
return true;
}
if (ControlSocket != null) exec("close",false); // close any existing connections first
int port = 21;
if (cmd.length == 3) {
try {
@ -1189,13 +1191,7 @@ cd ..
cmd[1] = cmd[1].substring(0,cmd[1].indexOf(":"));
}
try {
ControlSocket = new Socket(cmd[1], port);
ControlSocket.setSoTimeout(this.ControlSocketTimeout);
clientInput = new BufferedReader(new InputStreamReader(ControlSocket.getInputStream()));
clientOutput = new DataOutputStream(new BufferedOutputStream(ControlSocket.getOutputStream()));
// read greeting
receive();
open(cmd[1], port);
out.println(logPrefix + "---- Connection to " + cmd[1] + " established.");
prompt = "ftp [" + cmd[1] + "]>";
} catch (IOException e) {
@ -1203,6 +1199,18 @@ cd ..
}
return true;
}
private String open(String host, int port) throws IOException {
if (ControlSocket != null) exec("close",false); // close any existing connections first
ControlSocket = new Socket(host, port);
ControlSocket.setSoTimeout(this.ControlSocketTimeout);
clientInput = new BufferedReader(new InputStreamReader(ControlSocket.getInputStream()));
clientOutput = new DataOutputStream(new BufferedOutputStream(ControlSocket.getOutputStream()));
// read and return server message
return receive();
}
public boolean PROMPT() {
err.println(logPrefix + "---- prompt is always off");
@ -1296,7 +1304,8 @@ cd ..
return true;
}
try {
out.println(logPrefix + "---- Granted access for user " + login(cmd[1], cmd[2]) + ".");
login(cmd[1], cmd[2]);
out.println(logPrefix + "---- Granted access for user " + cmd[1] + ".");
} catch (IOException e) {
err.println(logPrefix + "---- Error: authorization of user " + cmd[1] + " failed.");
}
@ -1506,9 +1515,9 @@ cd ..
clientOutput.write('\n');
clientOutput.flush();
if (buf.startsWith("PASS")) {
out.println(logPrefix + "> PASS ********");
if (out != null) out.println(logPrefix + "> PASS ********");
} else {
out.println(logPrefix + "> " + buf);
if (out != null) out.println(logPrefix + "> " + buf);
}
}
@ -1522,7 +1531,7 @@ cd ..
// sanity check
if (reply == null) throw new IOException("Server has presumably shut down the connection.");
out.println(logPrefix + "< " + reply);
if (out != null) out.println(logPrefix + "< " + reply);
//serverResponse.addElement(reply);
if (reply.length() >= 4 &&
@ -1754,7 +1763,7 @@ cd ..
String reply = receive();
if (Integer.parseInt(reply.substring(0, 1)) == 4) throw new IOException(reply);
if (Integer.parseInt(reply.substring(0, 1)) == 2) return this.account = account;
if (Integer.parseInt(reply.substring(0, 1)) == 2) return reply;
// send password
send("PASS " + password);
@ -1762,18 +1771,7 @@ cd ..
reply = receive();
if (Integer.parseInt(reply.substring(0, 1)) != 2) throw new IOException(reply);
this.account = account;
return account;
}
public String login() throws IOException {
// force anonymous login if not already connected
if (this.account == null) {
login("anonymous", "bob@");
return this.account;
} else
return this.account;
return reply;
}
public String sys() throws IOException {
@ -1890,13 +1888,94 @@ cd ..
} catch (java.security.AccessControlException e) {
}
}
public static StringBuffer dirhtml(String host, String remotePath) {
return dirhtml(host, 21, remotePath, "anonymous", "anomic");
}
public static StringBuffer dirhtml(String host, int port, String remotePath, String account, String password) {
try {
ftpc c = new ftpc(System.in, null, System.err);
String servermessage = c.open(host, port);
if ((servermessage != null) && (servermessage.length() > 3)) servermessage = servermessage.substring(4);
String greeting = c.login(account, password);
String system = c.sys();
Vector list = c.list(remotePath, true);
c.quit();
//System.out.println("servermessage=" + servermessage);
//System.out.println("greeting=" + greeting);
StringBuffer page = new StringBuffer(1024);
String base = "ftp://" + ((account.equals("anonymous")) ? "" : (account + ":" + password + "@")) + host + ((port == 21) ? "" : (":" + port)) + ((remotePath.charAt(0) == '/') ? "" : "/") + remotePath;
String title = "Index of " + base;
// find position of filename
int filemarker = 999;
for (int i = 0; i < list.size(); i++) {
filemarker = Math.min(filemarker, ((String) list.elementAt(i)).lastIndexOf(' '));
}
filemarker++;
page.append("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2 Final//EN\">\n");
page.append("<html><head>\n");
page.append(" <title>" + title + "</title>\n");
page.append(" <meta name=\"generator\" content=\"YaCy ftpc dirlisting\">\n");
page.append(" <base href=\"" + base + "\">\n");
page.append("</head><body>\n");
page.append(" <h1>" + title + "</h1>\n");
page.append(" <p><pre>Server \"" + servermessage + "\" responded:\n");
page.append(" \n");
page.append(greeting);
page.append("\n");
page.append(" </pre></p>\n");
page.append(" <hr>\n");
page.append(" <pre>\n");
for (int i = 0; i < list.size(); i++) {
String line = (String) list.elementAt(i);
page.append(line.substring(0, filemarker ));
page.append(
"<a href=\"" +
line.substring(filemarker) + ((line.charAt(0) == 'd') ? "/" : "") + "\">" +
line.substring(filemarker) +
"</a>\n");
}
page.append(" </pre>\n");
page.append(" <hr>\n");
page.append(" <pre>System info: \"" + system + "\"</pre>\n");
page.append("</body></html>\n");
//System.out.println(new String(page));
return page;
} catch (java.security.AccessControlException e) {
return null;
} catch (IOException e) {
return null;
}
}
public static void dirAnonymous(String host,
String remotePath) {
dir(host, remotePath, "anonymous", "anomic");
}
public static String put(String host,
public static void dirAnonymousHtml(String host, int port, String remotePath, String htmloutfile) {
StringBuffer page = dirhtml(host, port, remotePath, "anonymous", "anomic");
File file = new File(htmloutfile);
FileOutputStream fos;
try {
fos = new FileOutputStream(file);
fos.write((new String(page)).getBytes());
fos.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
public static String put(String host,
File localFile, String remotePath, String remoteName,
String account, String password) throws IOException {
// returns the log
@ -2024,10 +2103,12 @@ cd ..
} else if (args.length == 3) {
if (args[0].equals("-dir")) {
dirAnonymous(args[1], args[2]);
} else {
printHelp();
}
} else if (args.length == 4) {
} else if (args[0].equals("-htmldir")) {
dirAnonymousHtml(args[1], 21, args[2], "dirindex.html");
} else {
printHelp();
}
} else if (args.length == 4) {
if (args[0].equals("-get")) {
getAnonymous(args[1], args[2], new File(args[3]));
} else {

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