WS test status code support + improved error handing + subprotocol input
This commit is contained in:
PoleTransformer
parent
271a2d3b35
commit
0bee90ea31
@ -1,6 +1,26 @@
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const { MonitorType } = require("./monitor-type");
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const WebSocket = require("ws");
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const { UP } = require("../../src/util");
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const { checkStatusCode } = require("../util-server");
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// Define closing error codes https://www.iana.org/assignments/websocket/websocket.xml#close-code-number
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const WS_ERR_CODE = {
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1002: "Protocol error",
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1003: "Unsupported Data",
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1005: "No Status Received",
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1006: "Abnormal Closure",
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1007: "Invalid frame payload data",
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1008: "Policy Violation",
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1009: "Message Too Big",
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1010: "Mandatory Extension Missing",
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1011: "Internal Error",
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1012: "Service Restart",
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1013: "Try Again Later",
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1014: "Bad Gateway",
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1015: "TLS Handshake Failed",
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3000: "Unauthorized",
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3003: "Forbidden",
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3008: "Timeout",
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};
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class WebSocketMonitorType extends MonitorType {
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name = "websocket-upgrade";
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@ -11,24 +31,31 @@ class WebSocketMonitorType extends MonitorType {
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async check(monitor, heartbeat, _server) {
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const [ message, code ] = await this.attemptUpgrade(monitor);
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if (code === 1000) {
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// If no close code, then an error has occurred, display to user
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if (typeof code === "undefined") {
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throw new Error(`${message}`);
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}
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// If returned status code matches user controlled accepted status code(default 1000), return success
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if (checkStatusCode(code, JSON.parse(monitor.accepted_statuscodes_json))) {
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heartbeat.status = UP;
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heartbeat.msg = message;
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} else {
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throw new Error(message);
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return; //success at this point
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}
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// Throw an error using friendly name if defined, fallback to generic msg
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throw new Error(WS_ERR_CODE[code] || `Unexpected status code: ${code}`);
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}
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/**
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* Uses the builtin Websocket API to establish a connection to target server
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* Uses the ws Node.js library to establish a connection to target server
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* @param {object} monitor The monitor object for input parameters.
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* @returns {[ string, int ]} Array containing a status message and response code
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*/
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async attemptUpgrade(monitor) {
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return new Promise((resolve) => {
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let ws;
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//If user selected a subprotocol, sets Sec-WebSocket-Protocol header. Subprotocol Identifier column: https://www.iana.org/assignments/websocket/websocket.xml#subprotocol-name
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ws = monitor.wsSubprotocol === "" ? new WebSocket(monitor.url) : new WebSocket(monitor.url, monitor.wsSubprotocol);
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// If user inputs subprotocol(s), convert to array, then set Sec-WebSocket-Protocol header. Subprotocol Identifier column: https://www.iana.org/assignments/websocket/websocket.xml#subprotocol-name
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ws = !monitor.wsSubprotocol ? new WebSocket(monitor.url) : new WebSocket(monitor.url, monitor.wsSubprotocol.replace(/\s/g, "").split(","));
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ws.addEventListener("open", (event) => {
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// Immediately close the connection
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@ -36,7 +63,8 @@ class WebSocketMonitorType extends MonitorType {
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});
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ws.onerror = (error) => {
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// Give user the choice to ignore Sec-WebSocket-Accept header
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// Give user the choice to ignore Sec-WebSocket-Accept header for non compliant servers
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// Header in HTTP 101 Switching Protocols response from server, technically already upgraded to WS
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if (monitor.wsIgnoreSecWebsocketAcceptHeader && error.message === "Invalid Sec-WebSocket-Accept header") {
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resolve([ "101 - OK", 1000 ]);
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return;
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@ -46,8 +74,8 @@ class WebSocketMonitorType extends MonitorType {
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};
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ws.onclose = (event) => {
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// Upgrade success, connection closed successfully
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resolve([ "101 - OK", event.code ]);
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// Return the close code, if connection didn't close cleanly, return the reason if present
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resolve([ event.wasClean ? event.code.toString() + " - OK" : event.reason, event.code ]);
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};
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});
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}
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@ -90,39 +90,9 @@
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"upsideDownModeDescription": "Flip the status upside down. If the service is reachable, it is DOWN.",
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"ignoreSecWebsocketAcceptHeaderDescription": "Allows the server to not reply with Sec-WebSocket-Accept header, if the websocket upgrade succeeds.",
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"Ignore Sec-WebSocket-Accept header": "Ignore {0} header",
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"wsSubprotocolDescription": "For more information on subprotocols, please consult the {documentation}",
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"WebSocket Application Messaging Protocol": "WAMP (The WebSocket Application Messaging Protocol)",
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"Session Initiation Protocol": "WebSocket Transport for SIP (Session Initiation Protocol)",
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"Subprotocol": "Subprotocol",
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"Network API for Notification Channel": "OMA RESTful Network API for Notification Channel",
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"Web Process Control Protocol": "Web Process Control Protocol (WPCP)",
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"Advanced Message Queuing Protocol": "Advanced Message Queuing Protocol (AMQP) 1.0+",
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"jsflow": "jsFlow pubsub/queue Protocol",
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"Reverse Web Process Control": "Reverse Web Process Control Protocol (RWPCP)",
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"Extensible Messaging and Presence Protocol": "WebSocket Transport for the Extensible Messaging and Presence Protocol (XMPP)",
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"Smart Home IP": "SHIP - Smart Home IP",
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"Miele Cloud Connect Protocol": "Miele Cloud Connect Protocol",
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"Push Channel Protocol": "Push Channel Protocol",
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"Message Session Relay Protocol": "WebSocket Transport for MSRP (Message Session Relay Protocol)",
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"Binary Floor Control Protocol": "WebSocket Transport for BFCP (Binary Floor Control Protocol)",
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"Softvelum Low Delay Protocol": "Softvelum Low Delay Protocol",
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"OPC UA Connection Protocol": "OPC UA Connection Protocol",
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"OPC UA JSON Encoding": "OPC UA JSON Encoding",
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"Swindon Web Server Protocol": "Swindon Web Server Protocol (JSON encoding)",
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"Broadband Forum User Services Platform": "USP (Broadband Forum User Services Platform)",
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"Constrained Application Protocol": "Constrained Application Protocol (CoAP)",
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"Softvelum WebSocket signaling protocol": "Softvelum WebSocket Signaling Protocol",
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"Cobra Real Time Messaging Protocol": "Cobra Real Time Messaging Protocol",
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"Declarative Resource Protocol": "Declarative Resource Protocol",
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"BACnet Secure Connect Hub Connection": "BACnet Secure Connect Hub Connection",
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"BACnet Secure Connect Direct Connection": "BACnet Secure Connect Direct Connection",
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"WebSocket Transport for JMAP": "WebSocket Transport for JMAP (JSON Meta Application Protocol)",
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"ITU-T T.140 Real-Time Text": "ITU-T T.140 Real-Time Text",
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"Done.best IoT Protocol": "Done.best IoT Protocol",
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"Collection Update": "The Collection Update Websocket Subprotocol",
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"Text IRC Protocol": "Text IRC Protocol",
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"Binary IRC Protocol": "Binary IRC Protocol",
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"Penguin Statistics Live Protocol v3": "Penguin Statistics Live Protocol v3 (Protobuf encoding)",
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"wsSubprotocolDescription": "Enter a comma delimited list of subprotocols. For more information on subprotocols, please consult the {documentation}",
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"wsCodeDescription": "For more information on status codes, please consult {documentation}",
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"Subprotocol(s)": "Subprotocol(s)",
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"maxRedirectDescription": "Maximum number of redirects to follow. Set to 0 to disable redirects.",
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"Upside Down Mode": "Upside Down Mode",
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"Max. Redirects": "Max. Redirects",
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@ -142,73 +142,8 @@
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<!-- Websocket Subprotocol Docs: https://www.iana.org/assignments/websocket/websocket.xml#subprotocol-name -->
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<div v-if="monitor.type === 'websocket-upgrade'" class="my-3">
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<label for="ws_subprotocol" class="form-label">{{ $t("Subprotocol") }}</label>
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<select id="ws_subprotocol" v-model="monitor.wsSubprotocol" class="form-select">
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<option value="" selected>{{ $t("None") }}</option>
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<option value="MBWS.huawei.com">MBWS</option>
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<option value="MBLWS.huawei.com">MBLWS</option>
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<option value="soap">soap</option>
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<option value="wamp">{{ $t("WebSocket Application Messaging Protocol") }}</option>
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<option value="v10.stomp">STOMP 1.0</option>
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<option value="v11.stomp">STOMP 1.1</option>
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<option value="v12.stomp">STOMP 1.2</option>
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<option value="ocpp1.2">OCPP 1.2</option>
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<option value="ocpp1.5">OCPP 1.5</option>
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<option value="ocpp1.6">OCPP 1.6</option>
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<option value="ocpp2.0">OCPP 2.0</option>
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<option value="ocpp2.0.1">OCPP 2.0.1</option>
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<option value="ocpp2.1">OCPP 2.1</option>
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<option value="rfb">RFB</option>
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<option value="sip">{{ $t("Session Initiation Protocol") }}</option>
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<option value="notificationchannel-netapi-rest.openmobilealliance.org">{{ $t("Network API for Notification Channel") }}</option>
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<option value="wpcp">{{ $t("Web Process Control Protocol") }}</option>
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<option value="amqp">{{ $t("Advanced Message Queuing Protocol") }}</option>
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<option value="mqtt">MQTT</option>
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<option value="jsflow">{{ $t("jsflow") }}</option>
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<option value="rwpcp">{{ $t("Reverse Web Process Control") }}</option>
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<option value="xmpp">{{ $t("Extensible Messaging and Presence Protocol") }}</option>
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<option value="ship">{{ $t("Smart Home IP") }}</option>
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<option value="mielecloudconnect">{{ $t("Miele Cloud Connect Protocol") }}</option>
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<option value="v10.pcp.sap.com">{{ $t("Push Channel Protocol") }}</option>
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<option value="msrp">{{ $t("Message Session Relay Protocol") }}</option>
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<option value="v1.saltyrtc.org">SaltyRTC 1.0</option>
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<option value="TLCP-2.0.0.lightstreamer.com">TLCP 2.0.0</option>
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<option value="bfcp">{{ $t("Binary Floor Control Protocol") }}</option>
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<option value="sldp.softvelum.com">{{ $t("Softvelum Low Delay Protocol") }}</option>
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<option value="opcua+uacp">{{ $t("OPC UA Connection Protocol") }}</option>
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<option value="opcua+uajson">{{ $t("OPC UA JSON Encoding") }}</option>
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<option value="v1.swindon-lattice+json">{{ $t("Swindon Web Server Protocol") }}</option>
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<option value="v1.usp">{{ $t("Broadband Forum User Services Platform") }}</option>
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<option value="mles-websocket">mles-websocket</option>
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<option value="coap">{{ $t("Constrained Application Protocol") }}</option>
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<option value="TLCP-2.1.0.lightstreamer.com">TLCP 2.1.0</option>
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<option value="sqlnet.oracle.com">sqlnet</option>
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<option value="oneM2M.R2.0.json">oneM2M R2.0 JSON</option>
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<option value="oneM2M.R2.0.xml">oneM2M R2.0 XML</option>
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<option value="oneM2M.R2.0.cbor">oneM2M R2.0 CBOR</option>
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<option value="transit">Transit</option>
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<option value="2016.serverpush.dash.mpeg.org">MPEG-DASH-ServerPush-23009-6-2017</option>
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<option value="2018.mmt.mpeg.org">MPEG-MMT-23008-1-2018</option>
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<option value="clue">clue</option>
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<option value="webrtc.softvelum.com">{{ $t("Softvelum WebSocket signaling protocol") }}</option>
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<option value="cobra.v2.json">{{ $t("Cobra Real Time Messaging Protocol") }}</option>
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<option value="drp">{{ $t("Declarative Resource Protocol") }}</option>
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<option value="hub.bsc.bacnet.org">{{ $t("BACnet Secure Connect Hub Connection") }}</option>
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<option value="dc.bsc.bacnet.org">{{ $t("BACnet Secure Connect Direct Connection") }}</option>
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<option value="jmap">{{ $t("WebSocket Transport for JMAP") }}</option>
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<option value="t140">{{ $t("ITU-T T.140 Real-Time Text") }}</option>
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<option value="done">{{ $t("Done.best IoT Protocol") }}</option>
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<option value="TLCP-2.2.0.lightstreamer.com">TLCP 2.2.0</option>
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<option value="collection-update">{{ $t("Collection Update") }}</option>
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<option value="TLCP-2.3.0.lightstreamer.com">TLCP 2.3.0</option>
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<option value="text.ircv3.net">{{ $t("Text IRC Protocol") }}</option>
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<option value="binary.ircv3.net">{{ $t("Binary IRC Protocol") }}</option>
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<option value="v3.penguin-stats.live+proto">{{ $t("Penguin Statistics Live Protocol v3") }}</option>
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<option value="TLCP-2.4.0.lightstreamer.com">TLCP 2.4.0</option>
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<option value="TLCP-2.5.0.lightstreamer.com">TLCP 2.5.0</option>
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<option value="Redfish">Redfish DSP0266</option>
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<option value="bidib">webBiDiB</option>
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</select>
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<label for="ws_subprotocol" class="form-label">{{ $t("Subprotocol(s)") }}</label>
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<input id="ws_subprotocol" v-model="monitor.wsSubprotocol" type="text" class="form-control" :placeholder="$t('Optional')">
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<i18n-t tag="div" class="form-text" keypath="wsSubprotocolDescription">
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<template #documentation>
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<a href="https://www.iana.org/assignments/websocket/websocket.xml#subprotocol-name" target="_blank" rel="noopener noreferrer">{{ $t('documentationOf', ['IANA']) }}</a>
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@ -889,6 +824,36 @@
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</div>
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</div>
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<!-- Websocket Upgrade only -->
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<template v-if="monitor.type === 'websocket-upgrade' ">
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<div class="my-3">
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<label for="acceptedStatusCodes" class="form-label">{{ $t("Accepted Status Codes") }}</label>
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<VueMultiselect
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id="acceptedStatusCodes"
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v-model="monitor.accepted_statuscodes"
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:options="acceptedWebsocketCodeOptions"
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:multiple="true"
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:close-on-select="false"
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:clear-on-select="false"
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:preserve-search="true"
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:placeholder="$t('Pick Accepted Status Codes...')"
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:preselect-first="false"
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:max-height="600"
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:taggable="true"
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></VueMultiselect>
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<div class="form-text">
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{{ $t("acceptedStatusCodesDescription") }}
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</div>
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<i18n-t tag="div" class="form-text" keypath="wsCodeDescription">
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<template #documentation>
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<a href="https://datatracker.ietf.org/doc/html/rfc6455#section-7.4" target="_blank" rel="noopener noreferrer">{{ 'RFC6455' }}</a>
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</template>
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</i18n-t>
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</div>
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</template>
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<!-- HTTP / Keyword only -->
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<template v-if="monitor.type === 'http' || monitor.type === 'keyword' || monitor.type === 'json-query' || monitor.type === 'grpc-keyword' ">
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<div class="my-3">
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@ -1398,6 +1363,7 @@ export default {
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},
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hasDomain: false,
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acceptedStatusCodeOptions: [],
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acceptedWebsocketCodeOptions: [],
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dnsresolvetypeOptions: [],
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kafkaSaslMechanismOptions: [],
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ipOrHostnameRegexPattern: hostNameRegexPattern(),
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@ -1770,6 +1736,7 @@ message HealthCheckResponse {
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"monitor.type"(newType, oldType) {
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if (oldType && this.monitor.type === "websocket-upgrade") {
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this.monitor.url = "wss://";
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this.monitor.accepted_statuscodes = [ "1000" ];
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}
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if (this.monitor.type === "push") {
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if (! this.monitor.pushToken) {
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@ -1877,6 +1844,8 @@ message HealthCheckResponse {
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"500-599",
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];
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let acceptedWebsocketCodeOptions = [];
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let dnsresolvetypeOptions = [
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"A",
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"AAAA",
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@ -1902,6 +1871,11 @@ message HealthCheckResponse {
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acceptedStatusCodeOptions.push(i.toString());
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}
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for (let i = 1000; i <= 4999; i++) {
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acceptedWebsocketCodeOptions.push(i.toString());
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}
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this.acceptedWebsocketCodeOptions = acceptedWebsocketCodeOptions;
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this.acceptedStatusCodeOptions = acceptedStatusCodeOptions;
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this.dnsresolvetypeOptions = dnsresolvetypeOptions;
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this.kafkaSaslMechanismOptions = kafkaSaslMechanismOptions;
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@ -6,7 +6,7 @@ const { UP, PENDING } = require("../../src/util");
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describe("Websocket Test", {
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}, () => {
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test("Non Websocket Server", {}, async () => {
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test("Non WS Server", {}, async () => {
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const websocketMonitor = new WebSocketMonitorType();
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const monitor = {
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@ -25,12 +25,13 @@ describe("Websocket Test", {
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);
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});
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test("Secure Websocket", async () => {
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test("Secure WS", async () => {
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const websocketMonitor = new WebSocketMonitorType();
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const monitor = {
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url: "wss://echo.websocket.org",
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wsIgnoreSecWebsocketAcceptHeader: false,
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accepted_statuscodes_json: JSON.stringify([ "1000" ]),
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};
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const heartbeat = {
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@ -39,7 +40,7 @@ describe("Websocket Test", {
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};
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const expected = {
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msg: "101 - OK",
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msg: "1000 - OK",
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status: UP,
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};
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@ -47,7 +48,7 @@ describe("Websocket Test", {
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assert.deepStrictEqual(heartbeat, expected);
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});
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test("Insecure Websocket", async (t) => {
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test("Insecure WS", async (t) => {
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t.after(() => wss.close());
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const websocketMonitor = new WebSocketMonitorType();
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const wss = new WebSocketServer({ port: 8080 });
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@ -55,6 +56,7 @@ describe("Websocket Test", {
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const monitor = {
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url: "ws://localhost:8080",
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wsIgnoreSecWebsocketAcceptHeader: false,
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accepted_statuscodes_json: JSON.stringify([ "1000" ]),
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};
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const heartbeat = {
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@ -63,7 +65,7 @@ describe("Websocket Test", {
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};
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const expected = {
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msg: "101 - OK",
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msg: "1000 - OK",
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status: UP,
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};
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@ -71,12 +73,33 @@ describe("Websocket Test", {
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assert.deepStrictEqual(heartbeat, expected);
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});
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test("Non compliant WS Server wrong status code", async () => {
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const websocketMonitor = new WebSocketMonitorType();
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const monitor = {
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url: "wss://echo.websocket.org",
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wsIgnoreSecWebsocketAcceptHeader: false,
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accepted_statuscodes_json: JSON.stringify([ "1001" ]),
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};
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const heartbeat = {
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msg: "",
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status: PENDING,
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};
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await assert.rejects(
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websocketMonitor.check(monitor, heartbeat, {}),
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new Error("Unexpected status code: 1000")
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);
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});
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test("Non compliant WS server without IgnoreSecWebsocket", async () => {
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const websocketMonitor = new WebSocketMonitorType();
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const monitor = {
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url: "wss://c.img-cdn.net/yE4s7KehTFyj/",
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wsIgnoreSecWebsocketAcceptHeader: false,
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accepted_statuscodes_json: JSON.stringify([ "1000" ]),
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};
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const heartbeat = {
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@ -96,6 +119,7 @@ describe("Websocket Test", {
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const monitor = {
|
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url: "wss://c.img-cdn.net/yE4s7KehTFyj/",
|
||||
wsIgnoreSecWebsocketAcceptHeader: true,
|
||||
accepted_statuscodes_json: JSON.stringify([ "1000" ]),
|
||||
};
|
||||
|
||||
const heartbeat = {
|
||||
@ -104,7 +128,7 @@ describe("Websocket Test", {
|
||||
};
|
||||
|
||||
const expected = {
|
||||
msg: "101 - OK",
|
||||
msg: "1000 - OK",
|
||||
status: UP,
|
||||
};
|
||||
|
||||
@ -118,6 +142,7 @@ describe("Websocket Test", {
|
||||
const monitor = {
|
||||
url: "wss://echo.websocket.org",
|
||||
wsIgnoreSecWebsocketAcceptHeader: true,
|
||||
accepted_statuscodes_json: JSON.stringify([ "1000" ]),
|
||||
};
|
||||
|
||||
const heartbeat = {
|
||||
@ -126,7 +151,7 @@ describe("Websocket Test", {
|
||||
};
|
||||
|
||||
const expected = {
|
||||
msg: "101 - OK",
|
||||
msg: "1000 - OK",
|
||||
status: UP,
|
||||
};
|
||||
|
||||
@ -140,6 +165,7 @@ describe("Websocket Test", {
|
||||
const monitor = {
|
||||
url: "wss://example.org",
|
||||
wsIgnoreSecWebsocketAcceptHeader: true,
|
||||
accepted_statuscodes_json: JSON.stringify([ "1000" ]),
|
||||
};
|
||||
|
||||
const heartbeat = {
|
||||
@ -153,13 +179,14 @@ describe("Websocket Test", {
|
||||
);
|
||||
});
|
||||
|
||||
test("Secure Websocket with Subprotocol", async () => {
|
||||
test("Secure WS no support one subprotocol", async () => {
|
||||
const websocketMonitor = new WebSocketMonitorType();
|
||||
|
||||
const monitor = {
|
||||
url: "wss://echo.websocket.org",
|
||||
wsIgnoreSecWebsocketAcceptHeader: false,
|
||||
wsSubprotocol: "ocpp1.6",
|
||||
accepted_statuscodes_json: JSON.stringify([ "1000" ]),
|
||||
};
|
||||
|
||||
const heartbeat = {
|
||||
@ -172,4 +199,55 @@ describe("Websocket Test", {
|
||||
new Error("Server sent no subprotocol")
|
||||
);
|
||||
});
|
||||
|
||||
test("Multiple subprotocols bad input", async () => {
|
||||
const websocketMonitor = new WebSocketMonitorType();
|
||||
|
||||
const monitor = {
|
||||
url: "wss://echo.websocket.org",
|
||||
wsIgnoreSecWebsocketAcceptHeader: false,
|
||||
wsSubprotocol: " ocpp2.0 , ocpp1.6 , ",
|
||||
accepted_statuscodes_json: JSON.stringify([ "1000" ]),
|
||||
};
|
||||
|
||||
const heartbeat = {
|
||||
msg: "",
|
||||
status: PENDING,
|
||||
};
|
||||
|
||||
await assert.rejects(
|
||||
websocketMonitor.check(monitor, heartbeat, {}),
|
||||
new SyntaxError("An invalid or duplicated subprotocol was specified")
|
||||
);
|
||||
});
|
||||
|
||||
test("Insecure WS support one subprotocol", async (t) => {
|
||||
t.after(() => wss.close());
|
||||
const websocketMonitor = new WebSocketMonitorType();
|
||||
const wss = new WebSocketServer({ port: 8080,
|
||||
handleProtocols: (protocols) => {
|
||||
return Array.from(protocols).includes("test") ? "test" : null;
|
||||
}
|
||||
});
|
||||
|
||||
const monitor = {
|
||||
url: "ws://localhost:8080",
|
||||
wsIgnoreSecWebsocketAcceptHeader: false,
|
||||
wsSubprotocol: "invalid,test",
|
||||
accepted_statuscodes_json: JSON.stringify([ "1000" ]),
|
||||
};
|
||||
|
||||
const heartbeat = {
|
||||
msg: "",
|
||||
status: PENDING,
|
||||
};
|
||||
|
||||
const expected = {
|
||||
msg: "1000 - OK",
|
||||
status: UP,
|
||||
};
|
||||
|
||||
await websocketMonitor.check(monitor, heartbeat, {});
|
||||
assert.deepStrictEqual(heartbeat, expected);
|
||||
});
|
||||
});
|
||||
|
||||
Loading…
Reference in New Issue
Block a user