/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
var Guacamole = Guacamole || {};
/**
* A Guacamole status. Each Guacamole status consists of a status code, defined
* by the protocol, and an optional human-readable message, usually only
* included for debugging convenience.
*
* @constructor
* @param {!number} code
* The Guacamole status code, as defined by Guacamole.Status.Code.
*
* @param {string} [message]
* An optional human-readable message.
*/
Guacamole.Status = function(code, message) {
/**
* Reference to this Guacamole.Status.
*
* @private
* @type {!Guacamole.Status}
*/
var guac_status = this;
/**
* The Guacamole status code.
*
* @see Guacamole.Status.Code
* @type {!number}
*/
this.code = code;
/**
* An arbitrary human-readable message associated with this status, if any.
* The human-readable message is not required, and is generally provided
* for debugging purposes only. For user feedback, it is better to translate
* the Guacamole status code into a message.
*
* @type {string}
*/
this.message = message;
/**
* Returns whether this status represents an error.
*
* @returns {!boolean}
* true if this status represents an error, false otherwise.
*/
this.isError = function() {
return guac_status.code < 0 || guac_status.code > 0x00FF;
};
};
/**
* Enumeration of all Guacamole status codes.
*/
Guacamole.Status.Code = {
/**
* The operation succeeded.
*
* @type {!number}
*/
"SUCCESS": 0x0000,
/**
* The requested operation is unsupported.
*
* @type {!number}
*/
"UNSUPPORTED": 0x0100,
/**
* The operation could not be performed due to an internal failure.
*
* @type {!number}
*/
"SERVER_ERROR": 0x0200,
/**
* The operation could not be performed as the server is busy.
*
* @type {!number}
*/
"SERVER_BUSY": 0x0201,
/**
* The operation could not be performed because the upstream server is not
* responding.
*
* @type {!number}
*/
"UPSTREAM_TIMEOUT": 0x0202,
/**
* The operation was unsuccessful due to an error or otherwise unexpected
* condition of the upstream server.
*
* @type {!number}
*/
"UPSTREAM_ERROR": 0x0203,
/**
* The operation could not be performed as the requested resource does not
* exist.
*
* @type {!number}
*/
"RESOURCE_NOT_FOUND": 0x0204,
/**
* The operation could not be performed as the requested resource is
* already in use.
*
* @type {!number}
*/
"RESOURCE_CONFLICT": 0x0205,
/**
* The operation could not be performed as the requested resource is now
* closed.
*
* @type {!number}
*/
"RESOURCE_CLOSED": 0x0206,
/**
* The operation could not be performed because the upstream server does
* not appear to exist.
*
* @type {!number}
*/
"UPSTREAM_NOT_FOUND": 0x0207,
/**
* The operation could not be performed because the upstream server is not
* available to service the request.
*
* @type {!number}
*/
"UPSTREAM_UNAVAILABLE": 0x0208,
/**
* The session within the upstream server has ended because it conflicted
* with another session.
*
* @type {!number}
*/
"SESSION_CONFLICT": 0x0209,
/**
* The session within the upstream server has ended because it appeared to
* be inactive.
*
* @type {!number}
*/
"SESSION_TIMEOUT": 0x020A,
/**
* The session within the upstream server has been forcibly terminated.
*
* @type {!number}
*/
"SESSION_CLOSED": 0x020B,
/**
* The operation could not be performed because bad parameters were given.
*
* @type {!number}
*/
"CLIENT_BAD_REQUEST": 0x0300,
/**
* Permission was denied to perform the operation, as the user is not yet
* authorized (not yet logged in, for example).
*
* @type {!number}
*/
"CLIENT_UNAUTHORIZED": 0x0301,
/**
* Permission was denied to perform the operation, and this permission will
* not be granted even if the user is authorized.
*
* @type {!number}
*/
"CLIENT_FORBIDDEN": 0x0303,
/**
* The client took too long to respond.
*
* @type {!number}
*/
"CLIENT_TIMEOUT": 0x0308,
/**
* The client sent too much data.
*
* @type {!number}
*/
"CLIENT_OVERRUN": 0x030D,
/**
* The client sent data of an unsupported or unexpected type.
*
* @type {!number}
*/
"CLIENT_BAD_TYPE": 0x030F,
/**
* The operation failed because the current client is already using too
* many resources.
*
* @type {!number}
*/
"CLIENT_TOO_MANY": 0x031D
};
/**
* Returns the Guacamole protocol status code which most closely
* represents the given HTTP status code.
*
* @param {!number} status
* The HTTP status code to translate into a Guacamole protocol status
* code.
*
* @returns {!number}
* The Guacamole protocol status code which most closely represents the
* given HTTP status code.
*/
Guacamole.Status.Code.fromHTTPCode = function fromHTTPCode(status) {
// Translate status codes with known equivalents
switch (status) {
// HTTP 400 - Bad request
case 400:
return Guacamole.Status.Code.CLIENT_BAD_REQUEST;
// HTTP 403 - Forbidden
case 403:
return Guacamole.Status.Code.CLIENT_FORBIDDEN;
// HTTP 404 - Resource not found
case 404:
return Guacamole.Status.Code.RESOURCE_NOT_FOUND;
// HTTP 429 - Too many requests
case 429:
return Guacamole.Status.Code.CLIENT_TOO_MANY;
// HTTP 503 - Server unavailable
case 503:
return Guacamole.Status.Code.SERVER_BUSY;
}
// Default all other codes to generic internal error
return Guacamole.Status.Code.SERVER_ERROR;
};
/**
* Returns the Guacamole protocol status code which most closely
* represents the given WebSocket status code.
*
* @param {!number} code
* The WebSocket status code to translate into a Guacamole protocol
* status code.
*
* @returns {!number}
* The Guacamole protocol status code which most closely represents the
* given WebSocket status code.
*/
Guacamole.Status.Code.fromWebSocketCode = function fromWebSocketCode(code) {
// Translate status codes with known equivalents
switch (code) {
// Successful disconnect (no error)
case 1000: // Normal Closure
return Guacamole.Status.Code.SUCCESS;
// Codes which indicate the server is not reachable
case 1006: // Abnormal Closure (also signalled by JavaScript when the connection cannot be opened in the first place)
case 1015: // TLS Handshake
return Guacamole.Status.Code.UPSTREAM_NOT_FOUND;
// Codes which indicate the server is reachable but busy/unavailable
case 1001: // Going Away
case 1012: // Service Restart
case 1013: // Try Again Later
case 1014: // Bad Gateway
return Guacamole.Status.Code.UPSTREAM_UNAVAILABLE;
}
// Default all other codes to generic internal error
return Guacamole.Status.Code.SERVER_ERROR;
};