Fix for more resilient WS check + Subprotocol inputs + Timeouts (#6551)

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Frank Elsinga 2026-01-01 08:32:52 +01:00 committed by GitHub
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4 changed files with 267 additions and 127 deletions

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@ -1,6 +1,26 @@
const { MonitorType } = require("./monitor-type");
const WebSocket = require("ws");
const { UP } = require("../../src/util");
const { checkStatusCode } = require("../util-server");
// Define closing error codes https://www.iana.org/assignments/websocket/websocket.xml#close-code-number
const WS_ERR_CODE = {
1002: "Protocol error",
1003: "Unsupported Data",
1005: "No Status Received",
1006: "Abnormal Closure",
1007: "Invalid frame payload data",
1008: "Policy Violation",
1009: "Message Too Big",
1010: "Mandatory Extension Missing",
1011: "Internal Error",
1012: "Service Restart",
1013: "Try Again Later",
1014: "Bad Gateway",
1015: "TLS Handshake Failed",
3000: "Unauthorized",
3003: "Forbidden",
3008: "Timeout",
};
class WebSocketMonitorType extends MonitorType {
name = "websocket-upgrade";
@ -11,24 +31,36 @@ class WebSocketMonitorType extends MonitorType {
async check(monitor, heartbeat, _server) {
const [ message, code ] = await this.attemptUpgrade(monitor);
if (code === 1000) {
heartbeat.status = UP;
heartbeat.msg = message;
} else {
throw new Error(message);
if (typeof code !== "undefined") {
// If returned status code matches user controlled accepted status code(default 1000), return success
if (checkStatusCode(code, JSON.parse(monitor.accepted_statuscodes_json))) {
heartbeat.status = UP;
heartbeat.msg = message;
return; // success at this point
}
// Throw an error using friendly name if defined, fallback to generic msg
throw new Error(WS_ERR_CODE[code] || `Unexpected status code: ${code}`);
}
// If no close code, then an error has occurred, display to user
if (typeof message !== "undefined") {
throw new Error(`${message}`);
}
// Throw generic error if nothing is defined, should never happen
throw new Error("Unknown Websocket Error");
}
/**
* Uses the builtin Websocket API to establish a connection to target server
* Uses the ws Node.js library to establish a connection to target server
* @param {object} monitor The monitor object for input parameters.
* @returns {[ string, int ]} Array containing a status message and response code
*/
async attemptUpgrade(monitor) {
return new Promise((resolve) => {
let ws;
//If user selected a subprotocol, sets Sec-WebSocket-Protocol header. Subprotocol Identifier column: https://www.iana.org/assignments/websocket/websocket.xml#subprotocol-name
ws = monitor.wsSubprotocol === "" ? new WebSocket(monitor.url) : new WebSocket(monitor.url, monitor.wsSubprotocol);
const timeoutMs = (monitor.timeout ?? 20) * 1000;
// If user inputs subprotocol(s), convert to array, set Sec-WebSocket-Protocol header, timeout in ms. Subprotocol Identifier column: https://www.iana.org/assignments/websocket/websocket.xml#subprotocol-name
const subprotocol = monitor.wsSubprotocol ? monitor.wsSubprotocol.replace(/\s/g, "").split(",") : undefined;
const ws = new WebSocket(monitor.url, subprotocol, { handshakeTimeout: timeoutMs });
ws.addEventListener("open", (event) => {
// Immediately close the connection
@ -36,9 +68,10 @@ class WebSocketMonitorType extends MonitorType {
});
ws.onerror = (error) => {
// Give user the choice to ignore Sec-WebSocket-Accept header
// Give user the choice to ignore Sec-WebSocket-Accept header for non compliant servers
// Header in HTTP 101 Switching Protocols response from server, technically already upgraded to WS
if (monitor.wsIgnoreSecWebsocketAcceptHeader && error.message === "Invalid Sec-WebSocket-Accept header") {
resolve([ "101 - OK", 1000 ]);
resolve([ "1000 - OK", 1000 ]);
return;
}
// Upgrade failed, return message to user
@ -46,8 +79,8 @@ class WebSocketMonitorType extends MonitorType {
};
ws.onclose = (event) => {
// Upgrade success, connection closed successfully
resolve([ "101 - OK", event.code ]);
// Return the close code, if connection didn't close cleanly, return the reason if present
resolve([ event.wasClean ? event.code.toString() + " - OK" : event.reason, event.code ]);
};
});
}

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@ -90,39 +90,9 @@
"upsideDownModeDescription": "Flip the status upside down. If the service is reachable, it is DOWN.",
"ignoreSecWebsocketAcceptHeaderDescription": "Allows the server to not reply with Sec-WebSocket-Accept header, if the websocket upgrade succeeds.",
"Ignore Sec-WebSocket-Accept header": "Ignore {0} header",
"wsSubprotocolDescription": "For more information on subprotocols, please consult the {documentation}",
"WebSocket Application Messaging Protocol": "WAMP (The WebSocket Application Messaging Protocol)",
"Session Initiation Protocol": "WebSocket Transport for SIP (Session Initiation Protocol)",
"Subprotocol": "Subprotocol",
"Network API for Notification Channel": "OMA RESTful Network API for Notification Channel",
"Web Process Control Protocol": "Web Process Control Protocol (WPCP)",
"Advanced Message Queuing Protocol": "Advanced Message Queuing Protocol (AMQP) 1.0+",
"jsflow": "jsFlow pubsub/queue Protocol",
"Reverse Web Process Control": "Reverse Web Process Control Protocol (RWPCP)",
"Extensible Messaging and Presence Protocol": "WebSocket Transport for the Extensible Messaging and Presence Protocol (XMPP)",
"Smart Home IP": "SHIP - Smart Home IP",
"Miele Cloud Connect Protocol": "Miele Cloud Connect Protocol",
"Push Channel Protocol": "Push Channel Protocol",
"Message Session Relay Protocol": "WebSocket Transport for MSRP (Message Session Relay Protocol)",
"Binary Floor Control Protocol": "WebSocket Transport for BFCP (Binary Floor Control Protocol)",
"Softvelum Low Delay Protocol": "Softvelum Low Delay Protocol",
"OPC UA Connection Protocol": "OPC UA Connection Protocol",
"OPC UA JSON Encoding": "OPC UA JSON Encoding",
"Swindon Web Server Protocol": "Swindon Web Server Protocol (JSON encoding)",
"Broadband Forum User Services Platform": "USP (Broadband Forum User Services Platform)",
"Constrained Application Protocol": "Constrained Application Protocol (CoAP)",
"Softvelum WebSocket signaling protocol": "Softvelum WebSocket Signaling Protocol",
"Cobra Real Time Messaging Protocol": "Cobra Real Time Messaging Protocol",
"Declarative Resource Protocol": "Declarative Resource Protocol",
"BACnet Secure Connect Hub Connection": "BACnet Secure Connect Hub Connection",
"BACnet Secure Connect Direct Connection": "BACnet Secure Connect Direct Connection",
"WebSocket Transport for JMAP": "WebSocket Transport for JMAP (JSON Meta Application Protocol)",
"ITU-T T.140 Real-Time Text": "ITU-T T.140 Real-Time Text",
"Done.best IoT Protocol": "Done.best IoT Protocol",
"Collection Update": "The Collection Update Websocket Subprotocol",
"Text IRC Protocol": "Text IRC Protocol",
"Binary IRC Protocol": "Binary IRC Protocol",
"Penguin Statistics Live Protocol v3": "Penguin Statistics Live Protocol v3 (Protobuf encoding)",
"wsSubprotocolDescription": "Enter a comma delimited list of subprotocols. For more information on subprotocols, please consult the {documentation}",
"wsCodeDescription": "For more information on status codes, please consult {rfc6455}",
"Subprotocol(s)": "Subprotocol(s)",
"maxRedirectDescription": "Maximum number of redirects to follow. Set to 0 to disable redirects.",
"Upside Down Mode": "Upside Down Mode",
"Max. Redirects": "Max. Redirects",

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@ -142,73 +142,8 @@
<!-- Websocket Subprotocol Docs: https://www.iana.org/assignments/websocket/websocket.xml#subprotocol-name -->
<div v-if="monitor.type === 'websocket-upgrade'" class="my-3">
<label for="ws_subprotocol" class="form-label">{{ $t("Subprotocol") }}</label>
<select id="ws_subprotocol" v-model="monitor.wsSubprotocol" class="form-select">
<option value="" selected>{{ $t("None") }}</option>
<option value="MBWS.huawei.com">MBWS</option>
<option value="MBLWS.huawei.com">MBLWS</option>
<option value="soap">soap</option>
<option value="wamp">{{ $t("WebSocket Application Messaging Protocol") }}</option>
<option value="v10.stomp">STOMP 1.0</option>
<option value="v11.stomp">STOMP 1.1</option>
<option value="v12.stomp">STOMP 1.2</option>
<option value="ocpp1.2">OCPP 1.2</option>
<option value="ocpp1.5">OCPP 1.5</option>
<option value="ocpp1.6">OCPP 1.6</option>
<option value="ocpp2.0">OCPP 2.0</option>
<option value="ocpp2.0.1">OCPP 2.0.1</option>
<option value="ocpp2.1">OCPP 2.1</option>
<option value="rfb">RFB</option>
<option value="sip">{{ $t("Session Initiation Protocol") }}</option>
<option value="notificationchannel-netapi-rest.openmobilealliance.org">{{ $t("Network API for Notification Channel") }}</option>
<option value="wpcp">{{ $t("Web Process Control Protocol") }}</option>
<option value="amqp">{{ $t("Advanced Message Queuing Protocol") }}</option>
<option value="mqtt">MQTT</option>
<option value="jsflow">{{ $t("jsflow") }}</option>
<option value="rwpcp">{{ $t("Reverse Web Process Control") }}</option>
<option value="xmpp">{{ $t("Extensible Messaging and Presence Protocol") }}</option>
<option value="ship">{{ $t("Smart Home IP") }}</option>
<option value="mielecloudconnect">{{ $t("Miele Cloud Connect Protocol") }}</option>
<option value="v10.pcp.sap.com">{{ $t("Push Channel Protocol") }}</option>
<option value="msrp">{{ $t("Message Session Relay Protocol") }}</option>
<option value="v1.saltyrtc.org">SaltyRTC 1.0</option>
<option value="TLCP-2.0.0.lightstreamer.com">TLCP 2.0.0</option>
<option value="bfcp">{{ $t("Binary Floor Control Protocol") }}</option>
<option value="sldp.softvelum.com">{{ $t("Softvelum Low Delay Protocol") }}</option>
<option value="opcua+uacp">{{ $t("OPC UA Connection Protocol") }}</option>
<option value="opcua+uajson">{{ $t("OPC UA JSON Encoding") }}</option>
<option value="v1.swindon-lattice+json">{{ $t("Swindon Web Server Protocol") }}</option>
<option value="v1.usp">{{ $t("Broadband Forum User Services Platform") }}</option>
<option value="mles-websocket">mles-websocket</option>
<option value="coap">{{ $t("Constrained Application Protocol") }}</option>
<option value="TLCP-2.1.0.lightstreamer.com">TLCP 2.1.0</option>
<option value="sqlnet.oracle.com">sqlnet</option>
<option value="oneM2M.R2.0.json">oneM2M R2.0 JSON</option>
<option value="oneM2M.R2.0.xml">oneM2M R2.0 XML</option>
<option value="oneM2M.R2.0.cbor">oneM2M R2.0 CBOR</option>
<option value="transit">Transit</option>
<option value="2016.serverpush.dash.mpeg.org">MPEG-DASH-ServerPush-23009-6-2017</option>
<option value="2018.mmt.mpeg.org">MPEG-MMT-23008-1-2018</option>
<option value="clue">clue</option>
<option value="webrtc.softvelum.com">{{ $t("Softvelum WebSocket signaling protocol") }}</option>
<option value="cobra.v2.json">{{ $t("Cobra Real Time Messaging Protocol") }}</option>
<option value="drp">{{ $t("Declarative Resource Protocol") }}</option>
<option value="hub.bsc.bacnet.org">{{ $t("BACnet Secure Connect Hub Connection") }}</option>
<option value="dc.bsc.bacnet.org">{{ $t("BACnet Secure Connect Direct Connection") }}</option>
<option value="jmap">{{ $t("WebSocket Transport for JMAP") }}</option>
<option value="t140">{{ $t("ITU-T T.140 Real-Time Text") }}</option>
<option value="done">{{ $t("Done.best IoT Protocol") }}</option>
<option value="TLCP-2.2.0.lightstreamer.com">TLCP 2.2.0</option>
<option value="collection-update">{{ $t("Collection Update") }}</option>
<option value="TLCP-2.3.0.lightstreamer.com">TLCP 2.3.0</option>
<option value="text.ircv3.net">{{ $t("Text IRC Protocol") }}</option>
<option value="binary.ircv3.net">{{ $t("Binary IRC Protocol") }}</option>
<option value="v3.penguin-stats.live+proto">{{ $t("Penguin Statistics Live Protocol v3") }}</option>
<option value="TLCP-2.4.0.lightstreamer.com">TLCP 2.4.0</option>
<option value="TLCP-2.5.0.lightstreamer.com">TLCP 2.5.0</option>
<option value="Redfish">Redfish DSP0266</option>
<option value="bidib">webBiDiB</option>
</select>
<label for="ws_subprotocol" class="form-label">{{ $t("Subprotocol(s)") }}</label>
<input id="ws_subprotocol" v-model="monitor.wsSubprotocol" type="text" class="form-control" placeholder="mielecloudconnect,soap">
<i18n-t tag="div" class="form-text" keypath="wsSubprotocolDescription">
<template #documentation>
<a href="https://www.iana.org/assignments/websocket/websocket.xml#subprotocol-name" target="_blank" rel="noopener noreferrer">{{ $t('documentationOf', ['IANA']) }}</a>
@ -767,8 +702,8 @@
</div>
</div>
<!-- Timeout: HTTP / JSON query / Keyword / Ping / RabbitMQ / SNMP only -->
<div v-if="monitor.type === 'http' || monitor.type === 'json-query' || monitor.type === 'keyword' || monitor.type === 'ping' || monitor.type === 'rabbitmq' || monitor.type === 'snmp'" class="my-3">
<!-- Timeout: HTTP / JSON query / Keyword / Ping / RabbitMQ / SNMP / Websocket Upgrade only -->
<div v-if="monitor.type === 'http' || monitor.type === 'json-query' || monitor.type === 'keyword' || monitor.type === 'ping' || monitor.type === 'rabbitmq' || monitor.type === 'snmp' || monitor.type === 'websocket-upgrade'" class="my-3">
<label for="timeout" class="form-label">
{{ monitor.type === 'ping' ? $t("pingGlobalTimeoutLabel") : $t("Request Timeout") }}
<span v-if="monitor.type !== 'ping'">({{ $t("timeoutAfter", [monitor.timeout || clampTimeout(monitor.interval)]) }})</span>
@ -889,6 +824,36 @@
</div>
</div>
<!-- Websocket Upgrade only -->
<template v-if="monitor.type === 'websocket-upgrade' ">
<div class="my-3">
<label for="acceptedStatusCodes" class="form-label">{{ $t("Accepted Status Codes") }}</label>
<VueMultiselect
id="acceptedStatusCodes"
v-model="monitor.accepted_statuscodes"
:options="acceptedWebsocketCodeOptions"
:multiple="true"
:close-on-select="false"
:clear-on-select="false"
:preserve-search="true"
:placeholder="$t('Pick Accepted Status Codes...')"
:preselect-first="false"
:max-height="600"
:taggable="true"
></VueMultiselect>
<div class="form-text">
{{ $t("acceptedStatusCodesDescription") }}
</div>
<i18n-t tag="div" class="form-text" keypath="wsCodeDescription">
<template #rfc6455>
<a href="https://datatracker.ietf.org/doc/html/rfc6455#section-7.4" target="_blank" rel="noopener noreferrer">RFC 6455</a>
</template>
</i18n-t>
</div>
</template>
<!-- HTTP / Keyword only -->
<template v-if="monitor.type === 'http' || monitor.type === 'keyword' || monitor.type === 'json-query' || monitor.type === 'grpc-keyword' ">
<div class="my-3">
@ -1398,6 +1363,7 @@ export default {
},
hasDomain: false,
acceptedStatusCodeOptions: [],
acceptedWebsocketCodeOptions: [],
dnsresolvetypeOptions: [],
kafkaSaslMechanismOptions: [],
ipOrHostnameRegexPattern: hostNameRegexPattern(),
@ -1770,6 +1736,7 @@ message HealthCheckResponse {
"monitor.type"(newType, oldType) {
if (oldType && this.monitor.type === "websocket-upgrade") {
this.monitor.url = "wss://";
this.monitor.accepted_statuscodes = [ "1000" ];
}
if (this.monitor.type === "push") {
if (! this.monitor.pushToken) {
@ -1877,6 +1844,8 @@ message HealthCheckResponse {
"500-599",
];
let acceptedWebsocketCodeOptions = [];
let dnsresolvetypeOptions = [
"A",
"AAAA",
@ -1902,6 +1871,11 @@ message HealthCheckResponse {
acceptedStatusCodeOptions.push(i.toString());
}
for (let i = 1000; i <= 4999; i++) {
acceptedWebsocketCodeOptions.push(i.toString());
}
this.acceptedWebsocketCodeOptions = acceptedWebsocketCodeOptions;
this.acceptedStatusCodeOptions = acceptedStatusCodeOptions;
this.dnsresolvetypeOptions = dnsresolvetypeOptions;
this.kafkaSaslMechanismOptions = kafkaSaslMechanismOptions;

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@ -3,15 +3,34 @@ const { describe, test } = require("node:test");
const assert = require("node:assert");
const { WebSocketMonitorType } = require("../../server/monitor-types/websocket-upgrade");
const { UP, PENDING } = require("../../src/util");
const net = require("node:net");
/**
* Simulates non compliant WS Server, doesnt send Sec-WebSocket-Accept header
* @param {number} port Port the server listens on. Defaults to 8080
* @returns {Promise} Promise that resolves to the created server once listening
*/
function nonCompliantWS(port = 8080) {
const srv = net.createServer((socket) => {
socket.once("data", (buf) => {
socket.write("HTTP/1.1 101 Switching Protocols\r\n" +
"Upgrade: websocket\r\n" +
"Connection: Upgrade\r\n\r\n");
socket.destroy();
});
});
return new Promise((resolve) => srv.listen(port, () => resolve(srv)));
}
describe("Websocket Test", {
}, () => {
test("Non Websocket Server", {}, async () => {
test("Non WS Server", {}, async () => {
const websocketMonitor = new WebSocketMonitorType();
const monitor = {
url: "wss://example.org",
wsIgnoreSecWebsocketAcceptHeader: false,
timeout: 30,
};
const heartbeat = {
@ -25,12 +44,14 @@ describe("Websocket Test", {
);
});
test("Secure Websocket", async () => {
test("Secure WS", async () => {
const websocketMonitor = new WebSocketMonitorType();
const monitor = {
url: "wss://echo.websocket.org",
wsIgnoreSecWebsocketAcceptHeader: false,
accepted_statuscodes_json: JSON.stringify([ "1000" ]),
timeout: 30,
};
const heartbeat = {
@ -39,7 +60,7 @@ describe("Websocket Test", {
};
const expected = {
msg: "101 - OK",
msg: "1000 - OK",
status: UP,
};
@ -47,7 +68,7 @@ describe("Websocket Test", {
assert.deepStrictEqual(heartbeat, expected);
});
test("Insecure Websocket", async (t) => {
test("Insecure WS", async (t) => {
t.after(() => wss.close());
const websocketMonitor = new WebSocketMonitorType();
const wss = new WebSocketServer({ port: 8080 });
@ -55,6 +76,8 @@ describe("Websocket Test", {
const monitor = {
url: "ws://localhost:8080",
wsIgnoreSecWebsocketAcceptHeader: false,
accepted_statuscodes_json: JSON.stringify([ "1000" ]),
timeout: 30,
};
const heartbeat = {
@ -63,7 +86,7 @@ describe("Websocket Test", {
};
const expected = {
msg: "101 - OK",
msg: "1000 - OK",
status: UP,
};
@ -71,12 +94,58 @@ describe("Websocket Test", {
assert.deepStrictEqual(heartbeat, expected);
});
test("Non compliant WS server without IgnoreSecWebsocket", async () => {
test("Non compliant WS Server wrong status code", async () => {
const websocketMonitor = new WebSocketMonitorType();
const monitor = {
url: "wss://c.img-cdn.net/yE4s7KehTFyj/",
url: "wss://echo.websocket.org",
wsIgnoreSecWebsocketAcceptHeader: false,
accepted_statuscodes_json: JSON.stringify([ "1001" ]),
timeout: 30,
};
const heartbeat = {
msg: "",
status: PENDING,
};
await assert.rejects(
websocketMonitor.check(monitor, heartbeat, {}),
new Error("Unexpected status code: 1000")
);
});
test("Secure WS Server no status code", async () => {
const websocketMonitor = new WebSocketMonitorType();
const monitor = {
url: "wss://echo.websocket.org",
wsIgnoreSecWebsocketAcceptHeader: false,
accepted_statuscodes_json: JSON.stringify([ "" ]),
timeout: 30,
};
const heartbeat = {
msg: "",
status: PENDING,
};
await assert.rejects(
websocketMonitor.check(monitor, heartbeat, {}),
new Error("Unexpected status code: 1000")
);
});
test("Non compliant WS server without IgnoreSecWebsocket", async (t) => {
t.after(() => wss.close());
const websocketMonitor = new WebSocketMonitorType();
const wss = await nonCompliantWS();
const monitor = {
url: "ws://localhost:8080",
wsIgnoreSecWebsocketAcceptHeader: false,
accepted_statuscodes_json: JSON.stringify([ "1000" ]),
timeout: 30,
};
const heartbeat = {
@ -90,12 +159,16 @@ describe("Websocket Test", {
);
});
test("Non compliant WS server with IgnoreSecWebsocket", async () => {
test("Non compliant WS server with IgnoreSecWebsocket", async (t) => {
t.after(() => wss.close());
const websocketMonitor = new WebSocketMonitorType();
const wss = await nonCompliantWS();
const monitor = {
url: "wss://c.img-cdn.net/yE4s7KehTFyj/",
url: "ws://localhost:8080",
wsIgnoreSecWebsocketAcceptHeader: true,
accepted_statuscodes_json: JSON.stringify([ "1000" ]),
timeout: 30,
};
const heartbeat = {
@ -104,7 +177,7 @@ describe("Websocket Test", {
};
const expected = {
msg: "101 - OK",
msg: "1000 - OK",
status: UP,
};
@ -118,6 +191,8 @@ describe("Websocket Test", {
const monitor = {
url: "wss://echo.websocket.org",
wsIgnoreSecWebsocketAcceptHeader: true,
accepted_statuscodes_json: JSON.stringify([ "1000" ]),
timeout: 30,
};
const heartbeat = {
@ -126,7 +201,7 @@ describe("Websocket Test", {
};
const expected = {
msg: "101 - OK",
msg: "1000 - OK",
status: UP,
};
@ -140,6 +215,8 @@ describe("Websocket Test", {
const monitor = {
url: "wss://example.org",
wsIgnoreSecWebsocketAcceptHeader: true,
accepted_statuscodes_json: JSON.stringify([ "1000" ]),
timeout: 30,
};
const heartbeat = {
@ -153,13 +230,15 @@ describe("Websocket Test", {
);
});
test("Secure Websocket with Subprotocol", async () => {
test("Secure WS no subprotocol support", async () => {
const websocketMonitor = new WebSocketMonitorType();
const monitor = {
url: "wss://echo.websocket.org",
wsIgnoreSecWebsocketAcceptHeader: false,
wsSubprotocol: "ocpp1.6",
accepted_statuscodes_json: JSON.stringify([ "1000" ]),
timeout: 30,
};
const heartbeat = {
@ -172,4 +251,88 @@ describe("Websocket Test", {
new Error("Server sent no subprotocol")
);
});
test("Multiple subprotocols invalid 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" ]),
timeout: 30,
};
const heartbeat = {
msg: "",
status: PENDING,
};
await assert.rejects(
websocketMonitor.check(monitor, heartbeat, {}),
new SyntaxError("An invalid or duplicated subprotocol was specified")
);
});
test("Insecure WS subprotocol multiple spaces", 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" ]),
timeout: 30,
};
const heartbeat = {
msg: "",
status: PENDING,
};
const expected = {
msg: "1000 - OK",
status: UP,
};
await websocketMonitor.check(monitor, heartbeat, {});
assert.deepStrictEqual(heartbeat, expected);
});
test("Insecure WS supports 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" ]),
timeout: 30,
};
const heartbeat = {
msg: "",
status: PENDING,
};
const expected = {
msg: "1000 - OK",
status: UP,
};
await websocketMonitor.check(monitor, heartbeat, {});
assert.deepStrictEqual(heartbeat, expected);
});
});