/** 48 char b32 string (30 bytes of entropy) */
public static String randomString() {
I2PAppContext ctx = I2PAppContext.getGlobalContext();
// make a random 48 character password (30 * 8 / 5)
byte[] rand = new byte[30];
ctx.random().nextBytes(rand);
return Base32.encode(rand);
}
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
if (!validPassphrase()) return;
response.setContentType("text/html");
PrintWriter out = null;
try {
out = response.getWriter();
out.println("<html><head><title>Addresses</title></head>");
out.println("<form method=POST>");
out.println("<table>");
for (Record record : RecordIndex.getInstance()) {
out.println("<tr>");
out.println(
"<td><input name=\"checked\" type=\"checkbox\" value=\""
+ Long.toHexString(record.id)
+ "\" /></td>");
out.println(" <td>" + record.getName() + "</td>");
out.println(" <td>" + formatter.format(record.getModified()) + "</td>");
out.println(" <td>" + record.getAddress().toBase64() + "</td>");
out.println("</tr>");
}
out.println("</table>");
out.println("<input name=\"delete\" type=\"submit\" value=\"Delete Selected\" />");
out.println("</form>");
out.println("<h3>Deleted addresses:</h3>");
out.println("<form method=POST>");
out.println("<table>");
for (Hash hash : blacklist) {
String shash = Base32.encode(hash.getData());
out.println("<tr>");
out.println(
" <td><input name=\"checked\" type=\"checkbox\" value=\"" + shash + "\" /></td>");
out.println(" <td>" + shash + "</td>");
out.println("</tr>");
}
out.println("</table>");
out.println("<input type=\"submit\" name=\"submit\" value=\"Undelete Selected\" />");
out.println("</form></body></html>");
} finally {
if (out != null) out.close();
}
}
/** Base64 Hash or Hash.i2p or name.i2p using naming service */
Destination getDestination(String ip) {
if (ip == null) return null;
if (ip.endsWith(".i2p")) {
if (ip.length() < 520) { // key + ".i2p"
if (_manager != null && ip.length() == BASE32_HASH_LENGTH + 8 && ip.endsWith(".b32.i2p")) {
// Use existing I2PSession for b32 lookups if we have it
// This is much more efficient than using the naming service
I2PSession sess = _manager.getSession();
if (sess != null) {
byte[] b = Base32.decode(ip.substring(0, BASE32_HASH_LENGTH));
if (b != null) {
// Hash h = new Hash(b);
Hash h = Hash.create(b);
if (_log.shouldLog(Log.INFO)) _log.info("Using existing session for lookup of " + ip);
try {
return sess.lookupDest(h, 15 * 1000);
} catch (I2PSessionException ise) {
}
}
}
}
if (_log.shouldLog(Log.INFO)) _log.info("Using naming service for lookup of " + ip);
return _context.namingService().lookup(ip);
}
if (_log.shouldLog(Log.INFO)) _log.info("Creating Destination for " + ip);
try {
return new Destination(ip.substring(0, ip.length() - 4)); // sans .i2p
} catch (DataFormatException dfe) {
return null;
}
} else {
if (_log.shouldLog(Log.INFO)) _log.info("Creating Destination for " + ip);
try {
return new Destination(ip);
} catch (DataFormatException dfe) {
return null;
}
}
}
/**
* Call out to keytool to create a new keystore with a keypair in it. Trying to do this
* programatically is a nightmare, requiring either BouncyCastle libs or using proprietary Sun
* libs, and it's a huge mess.
*
* @return success
* @since 0.8.3
*/
private boolean createKeyStore(File ks) {
// make a random 48 character password (30 * 8 / 5)
byte[] rand = new byte[30];
_context.random().nextBytes(rand);
String keyPassword = Base32.encode(rand);
// and one for the cname
_context.random().nextBytes(rand);
String cname = Base32.encode(rand) + ".console.i2p.net";
String keytool = (new File(System.getProperty("java.home"), "bin/keytool")).getAbsolutePath();
String[] args =
new String[] {
keytool,
"-genkey", // -genkeypair preferred in newer keytools, but this works with more
"-storetype",
KeyStore.getDefaultType(),
"-keystore",
ks.getAbsolutePath(),
"-storepass",
DEFAULT_KEYSTORE_PASSWORD,
"-alias",
"console",
"-dname",
"CN=" + cname + ",OU=Console,O=I2P Anonymous Network,L=XX,ST=XX,C=XX",
"-validity",
"3652", // 10 years
"-keyalg",
"DSA",
"-keysize",
"1024",
"-keypass",
keyPassword
};
boolean success = (new ShellCommand()).executeSilentAndWaitTimed(args, 30); // 30 secs
if (success) {
success = ks.exists();
if (success) {
SecureFileOutputStream.setPerms(ks);
try {
Map<String, String> changes = new HashMap();
changes.put(PROP_KEYSTORE_PASSWORD, DEFAULT_KEYSTORE_PASSWORD);
changes.put(PROP_KEY_PASSWORD, keyPassword);
_context.router().saveConfig(changes, null);
} catch (Exception e) {
} // class cast exception
}
}
if (success) {
System.err.println(
"Created self-signed certificate for "
+ cname
+ " in keystore: "
+ ks.getAbsolutePath()
+ "\n"
+ "The certificate name was generated randomly, and is not associated with your "
+ "IP address, host name, router identity, or destination keys.");
} else {
System.err.println("Failed to create console SSL keystore using command line:");
StringBuilder buf = new StringBuilder(256);
for (int i = 0; i < args.length; i++) {
buf.append('"').append(args[i]).append("\" ");
}
System.err.println(buf.toString());
System.err.println(
"This is for the Sun/Oracle keytool, others may be incompatible.\n"
+ "If you create the keystore manually, you must add "
+ PROP_KEYSTORE_PASSWORD
+ " and "
+ PROP_KEY_PASSWORD
+ " to "
+ (new File(_context.getConfigDir(), "router.config")).getAbsolutePath());
}
return success;
}