creates a secure socket
if (sslFactory == null) {
initFactory();
}
if (port == -1) {
port = 443;
}
TransportClientProperties tcp = TransportClientPropertiesFactory.create("https");
boolean hostInNonProxyList = isHostInNonProxyList(host, tcp.getNonProxyHosts());
Socket sslSocket = null;
if (tcp.getProxyHost().length() == 0 || hostInNonProxyList) {
// direct SSL connection
sslSocket = sslFactory.createSocket(host, port);
} else {
// Default proxy port is 80, even for https
int tunnelPort = (tcp.getProxyPort().length() != 0)
? Integer.parseInt(tcp.getProxyPort())
: 80;
if (tunnelPort < 0)
tunnelPort = 80;
// Create the regular socket connection to the proxy
Socket tunnel = new Socket(tcp.getProxyHost(), tunnelPort);
// The tunnel handshake method (condensed and made reflexive)
OutputStream tunnelOutputStream = tunnel.getOutputStream();
PrintWriter out = new PrintWriter(
new BufferedWriter(new OutputStreamWriter(tunnelOutputStream)));
// More secure version... engage later?
// PasswordAuthentication pa =
// Authenticator.requestPasswordAuthentication(
// InetAddress.getByName(tunnelHost),
// tunnelPort, "SOCK", "Proxy","HTTP");
// if(pa == null){
// printDebug("No Authenticator set.");
// }else{
// printDebug("Using Authenticator.");
// tunnelUser = pa.getUserName();
// tunnelPassword = new String(pa.getPassword());
// }
out.print("CONNECT " + host + ":" + port + " HTTP/1.0\r\n"
+ "User-Agent: AxisClient");
if (tcp.getProxyUser().length() != 0 &&
tcp.getProxyPassword().length() != 0) {
// add basic authentication header for the proxy
String encodedPassword = XMLUtils.base64encode((tcp.getProxyUser()
+ ":"
+ tcp.getProxyPassword()).getBytes());
out.print("\nProxy-Authorization: Basic " + encodedPassword);
}
out.print("\nContent-Length: 0");
out.print("\nPragma: no-cache");
out.print("\r\n\r\n");
out.flush();
InputStream tunnelInputStream = tunnel.getInputStream();
if (log.isDebugEnabled()) {
log.debug(Messages.getMessage("isNull00", "tunnelInputStream",
"" + (tunnelInputStream
== null)));
}
String replyStr = "";
// Make sure to read all the response from the proxy to prevent SSL negotiation failure
// Response message terminated by two sequential newlines
int newlinesSeen = 0;
boolean headerDone = false; /* Done on first newline */
while (newlinesSeen < 2) {
int i = tunnelInputStream.read();
if (i < 0) {
throw new IOException("Unexpected EOF from proxy");
}
if (i == '\n") {
headerDone = true;
++newlinesSeen;
} else if (i != '\r") {
newlinesSeen = 0;
if (!headerDone) {
replyStr += String.valueOf((char) i);
}
}
}
if (StringUtils.startsWithIgnoreWhitespaces("HTTP/1.0 200", replyStr) &&
StringUtils.startsWithIgnoreWhitespaces("HTTP/1.1 200", replyStr)) {
throw new IOException(Messages.getMessage("cantTunnel00",
new String[]{
tcp.getProxyHost(),
"" + tunnelPort,
replyStr}));
}
// End of condensed reflective tunnel handshake method
sslSocket = sslFactory.createSocket(tunnel, host, port, true);
if (log.isDebugEnabled()) {
log.debug(Messages.getMessage("setupTunnel00",
tcp.getProxyHost(),
"" + tunnelPort));
}
}
((SSLSocket) sslSocket).startHandshake();
if (log.isDebugEnabled()) {
log.debug(Messages.getMessage("createdSSL00"));
}
return sslSocket;
