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GUACAMOLE-956: Decouple tunnel UUID from HTTP tunnel session identification.

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This commit is contained in:
Michael Jumper
2021-10-22 18:28:59 -07:00
parent 1a0802f4a3
commit 0597358dde
3 changed files with 189 additions and 90 deletions
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30
guacamole-common-js/src/main/webapp/modules/Tunnel.js
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@@ -309,6 +309,25 @@ Guacamole.HTTPTunnel = function(tunnelURL, crossDomain, extraTunnelHeaders) {
*/
var extraHeaders = extraTunnelHeaders || {};
/**
* The name of the HTTP header containing the session token specific to the
* HTTP tunnel implementation.
*
* @private
* @constant
* @type {string}
*/
var TUNNEL_TOKEN_HEADER = 'Guacamole-Tunnel-Token';
/**
* The session token currently assigned to this HTTP tunnel. All distinct
* HTTP tunnel connections will have their own dedicated session token.
*
* @private
* @type {string}
*/
var tunnelSessionToken = null;
/**
* Adds the configured additional headers to the given request.
*
@@ -453,6 +472,7 @@ Guacamole.HTTPTunnel = function(tunnelURL, crossDomain, extraTunnelHeaders) {
message_xmlhttprequest.withCredentials = withCredentials;
addExtraHeaders(message_xmlhttprequest, extraHeaders);
message_xmlhttprequest.setRequestHeader("Content-type", "application/octet-stream");
message_xmlhttprequest.setRequestHeader(TUNNEL_TOKEN_HEADER, tunnelSessionToken);
// Once response received, send next queued event.
message_xmlhttprequest.onreadystatechange = function() {
@@ -697,6 +717,7 @@ Guacamole.HTTPTunnel = function(tunnelURL, crossDomain, extraTunnelHeaders) {
// Make request, increment request ID
var xmlhttprequest = new XMLHttpRequest();
xmlhttprequest.open("GET", TUNNEL_READ + tunnel.uuid + ":" + (request_id++));
xmlhttprequest.setRequestHeader(TUNNEL_TOKEN_HEADER, tunnelSessionToken);
xmlhttprequest.withCredentials = withCredentials;
addExtraHeaders(xmlhttprequest, extraHeaders);
xmlhttprequest.send(null);
@@ -728,8 +749,15 @@ Guacamole.HTTPTunnel = function(tunnelURL, crossDomain, extraTunnelHeaders) {
reset_timeout();
// Get UUID from response
// Get UUID and HTTP-specific tunnel session token from response
tunnel.setUUID(connect_xmlhttprequest.responseText);
tunnelSessionToken = connect_xmlhttprequest.getResponseHeader(TUNNEL_TOKEN_HEADER);
// Fail connect attempt if token is not successfully assigned
if (!tunnelSessionToken) {
close_tunnel(new Guacamole.Status(Guacamole.Status.Code.UPSTREAM_NOT_FOUND));
return;
}
// Mark as open
tunnel.setState(Guacamole.Tunnel.State.OPEN);