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GUACAMOLE-437: Custom headers for Guacamole tunnel

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This commit is contained in:
Ignasi Barrera
2017-11-16 13:03:17 +01:00
parent e2c8594b3a
commit 948b4e804c
1 changed files with 33 additions and 1 deletions
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34
guacamole-common-js/src/main/webapp/modules/Tunnel.js
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@@ -182,8 +182,13 @@ Guacamole.Tunnel.State = {
* Whether tunnel requests will be cross-domain, and thus must use CORS
* mechanisms and headers. By default, it is assumed that tunnel requests
* will be made to the same domain.
*
* @param {Object} [extraTunnelHeaders={}]
* Key value pairs containing the header names and values of any additional
* headers to be sent in tunnel requests. By default, no extra headers will
* be added.
*/
Guacamole.HTTPTunnel = function(tunnelURL, crossDomain) {
Guacamole.HTTPTunnel = function(tunnelURL, crossDomain, extraTunnelHeaders) {
/**
* Reference to this HTTP tunnel.
@@ -214,6 +219,29 @@ Guacamole.HTTPTunnel = function(tunnelURL, crossDomain) {
*/
var receive_timeout = null;
/**
* Additional headers to be sent in tunnel requests. This dictionary can be
* populated with key/value header pairs to pass information such as authentication
* tokens, etc.
*
* @private
*/
var extraHeaders = extraTunnelHeaders || {}
/**
* Adds the configured additional headers to the given request.
*
* @params {XMLHttpRequest} request
* The request where the configured extra headers will be added.
*
* @private
*/
function addExtraHeaders(request) {
for (var name in tunnel.extraHeaders) {
request.setRequestHeader(name, tunnel.extraHeaders[name]);
}
}
/**
* Initiates a timeout which, if data is not received, causes the tunnel
* to close with an error.
@@ -322,6 +350,7 @@ Guacamole.HTTPTunnel = function(tunnelURL, crossDomain) {
var message_xmlhttprequest = new XMLHttpRequest();
message_xmlhttprequest.open("POST", TUNNEL_WRITE + tunnel.uuid);
message_xmlhttprequest.withCredentials = withCredentials;
addExtraHeaders(message_xmlhttprequest);
message_xmlhttprequest.setRequestHeader("Content-type", "application/octet-stream");
// Once response received, send next queued event.
@@ -553,6 +582,7 @@ Guacamole.HTTPTunnel = function(tunnelURL, crossDomain) {
var xmlhttprequest = new XMLHttpRequest();
xmlhttprequest.open("GET", TUNNEL_READ + tunnel.uuid + ":" + (request_id++));
xmlhttprequest.withCredentials = withCredentials;
addExtraHeaders(xmlhttprequest);
xmlhttprequest.send(null);
return xmlhttprequest;
@@ -595,6 +625,7 @@ Guacamole.HTTPTunnel = function(tunnelURL, crossDomain) {
connect_xmlhttprequest.open("POST", TUNNEL_CONNECT, true);
connect_xmlhttprequest.withCredentials = withCredentials;
addExtraHeaders(connect_xmlhttprequest);
connect_xmlhttprequest.setRequestHeader("Content-type", "application/x-www-form-urlencoded; charset=UTF-8");
connect_xmlhttprequest.send(data);
@@ -1137,6 +1168,7 @@ Guacamole.StaticHTTPTunnel = function StaticHTTPTunnel(url, crossDomain) {
xhr = new XMLHttpRequest();
xhr.open('GET', url);
xhr.withCredentials = !!crossDomain;
addExtraHeaders(xhr);
xhr.responseType = 'text';
xhr.send(null);