n8n
Version:
n8n Workflow Automation Tool
111 lines • 4.84 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.MessageEventBusDestinationSyslog = exports.isMessageEventBusDestinationSyslogOptions = void 0;
const backend_common_1 = require("@n8n/backend-common");
const di_1 = require("@n8n/di");
const syslog_client_1 = require("@n8n/syslog-client");
const event_message_generic_1 = require("../../../eventbus/event-message-classes/event-message-generic");
const message_event_bus_destination_ee_1 = require("./message-event-bus-destination.ee");
const isMessageEventBusDestinationSyslogOptions = (candidate) => {
const o = candidate;
if (!o)
return false;
return o.host !== undefined;
};
exports.isMessageEventBusDestinationSyslogOptions = isMessageEventBusDestinationSyslogOptions;
class MessageEventBusDestinationSyslog extends message_event_bus_destination_ee_1.MessageEventBusDestination {
constructor(eventBusInstance, options) {
super(eventBusInstance, options);
this.__type = options.__type ?? "$$MessageEventBusDestinationSyslog";
this.label = options.label ?? 'Syslog Server';
this.host = options.host ?? 'localhost';
this.port = options.port ?? 514;
this.protocol = options.protocol ?? 'udp';
this.facility = options.facility ?? syslog_client_1.Facility.Local0;
this.app_name = options.app_name ?? 'n8n';
this.eol = options.eol ?? '\n';
this.expectedStatusCode = options.expectedStatusCode ?? 200;
if (this.protocol === 'tls' && !options.tlsCa) {
this.logger.error('Syslog - No TLS CA set - Unable to create the syslog client');
}
this.client = (0, syslog_client_1.createClient)(this.host, {
appName: this.app_name,
facility: syslog_client_1.Facility.Local0,
port: this.port,
rfc3164: false,
tlsCA: options.tlsCa,
transport: this.protocol === 'tcp'
? syslog_client_1.Transport.Tcp
: this.protocol === 'tls'
? syslog_client_1.Transport.Tls
: syslog_client_1.Transport.Udp,
});
this.logger.debug(`MessageEventBusDestinationSyslog with id ${this.getId()} initialized`);
this.client.on('error', function (error) {
di_1.Container.get(backend_common_1.Logger).error(`${error.message}`);
});
}
async receiveFromEventBus(emitterPayload) {
const { msg, confirmCallback } = emitterPayload;
let sendResult = false;
try {
const serializedMessage = msg.serialize();
if (this.anonymizeAuditMessages) {
serializedMessage.payload = msg.anonymize();
}
delete serializedMessage.__type;
await this.client.log(JSON.stringify(serializedMessage), {
severity: msg.eventName.toLowerCase().endsWith('error') ? syslog_client_1.Severity.Error : syslog_client_1.Severity.Debug,
msgid: msg.id.length > 32 ? msg.id.replace(/-/g, '').substring(0, 32) : msg.id,
timestamp: msg.ts.toJSDate(),
}, async (error) => {
if (error?.message) {
this.logger.error(error.message);
}
else {
confirmCallback(msg, { id: this.id, name: this.label });
sendResult = true;
}
});
}
catch (error) {
if (error.message)
this.logger.error(error.message);
throw error;
}
if (msg.eventName === event_message_generic_1.eventMessageGenericDestinationTestEvent) {
await new Promise((resolve) => setTimeout(resolve, 500));
}
return sendResult;
}
serialize() {
const abstractSerialized = super.serialize();
return {
...abstractSerialized,
expectedStatusCode: this.expectedStatusCode,
host: this.host,
port: this.port,
protocol: this.protocol,
facility: this.facility,
app_name: this.app_name,
eol: this.eol,
};
}
static deserialize(eventBusInstance, data) {
if ('__type' in data &&
data.__type === "$$MessageEventBusDestinationSyslog" &&
(0, exports.isMessageEventBusDestinationSyslogOptions)(data)) {
return new MessageEventBusDestinationSyslog(eventBusInstance, data);
}
return null;
}
toString() {
return JSON.stringify(this.serialize());
}
async close() {
await super.close();
this.client.close();
}
}
exports.MessageEventBusDestinationSyslog = MessageEventBusDestinationSyslog;
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