public Result authenticate(HttpExchange t) {
Headers rmap = t.getRequestHeaders();
/*
* look for auth token
*/
String auth = rmap.getFirst("Authorization");
if (auth == null) {
Headers map = t.getResponseHeaders();
map.set("WWW-Authenticate", "Basic realm=" + "\"" + realm + "\"");
return new Authenticator.Retry(401);
}
int sp = auth.indexOf(' ');
if (sp == -1 || !auth.substring(0, sp).equals("Basic")) {
return new Authenticator.Failure(401);
}
byte[] b = Base64.getDecoder().decode(auth.substring(sp + 1));
String userpass = new String(b);
int colon = userpass.indexOf(':');
String uname = userpass.substring(0, colon);
String pass = userpass.substring(colon + 1);
if (checkCredentials(uname, pass)) {
return new Authenticator.Success(new HttpPrincipal(uname, realm));
} else {
/* reject the request again with 401 */
Headers map = t.getResponseHeaders();
map.set("WWW-Authenticate", "Basic realm=" + "\"" + realm + "\"");
return new Authenticator.Failure(401);
}
}
public void sendResponseHeaders(int rCode, long contentLen) throws IOException {
if (sentHeaders) {
throw new IOException("headers already sent");
}
this.rcode = rCode;
String statusLine = "HTTP/1.1 " + rCode + Code.msg(rCode) + "\r\n";
OutputStream tmpout = new BufferedOutputStream(ros);
PlaceholderOutputStream o = getPlaceholderResponseBody();
tmpout.write(bytes(statusLine, 0), 0, statusLine.length());
boolean noContentToSend = false; // assume there is content
rspHdrs.set("Date", df.format(new Date()));
if (contentLen == 0) {
if (http10) {
o.setWrappedStream(new UndefLengthOutputStream(this, ros));
close = true;
} else {
rspHdrs.set("Transfer-encoding", "chunked");
o.setWrappedStream(new ChunkedOutputStream(this, ros));
}
} else {
if (contentLen == -1) {
noContentToSend = true;
contentLen = 0;
}
/* content len might already be set, eg to implement HEAD resp */
if (rspHdrs.getFirst("Content-length") == null) {
rspHdrs.set("Content-length", Long.toString(contentLen));
}
o.setWrappedStream(new FixedLengthOutputStream(this, ros, contentLen));
}
write(rspHdrs, tmpout);
this.rspContentLen = contentLen;
tmpout.flush();
tmpout = null;
sentHeaders = true;
if (noContentToSend) {
WriteFinishedEvent e = new WriteFinishedEvent(this);
server.addEvent(e);
closed = true;
}
server.logReply(rCode, req.requestLine(), null);
}