first commit

packages/nodes-base/credentials/Mqtt.credentials.ts

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+import type { ICredentialType, IDisplayOptions, INodeProperties } from 'n8n-workflow';
+
+export class Mqtt implements ICredentialType {
+	name = 'mqtt';
+
+	displayName = 'MQTT';
+
+	documentationUrl = 'mqtt';
+
+	properties: INodeProperties[] = [
+		{
+			displayName: 'Protocol',
+			name: 'protocol',
+			type: 'options',
+			options: [
+				{
+					name: 'Mqtt',
+					value: 'mqtt',
+				},
+				{
+					name: 'Mqtts',
+					value: 'mqtts',
+				},
+				{
+					name: 'Ws',
+					value: 'ws',
+				},
+			],
+			default: 'mqtt',
+		},
+		{
+			displayName: 'Host',
+			name: 'host',
+			type: 'string',
+			default: '',
+		},
+		{
+			displayName: 'Port',
+			name: 'port',
+			type: 'number',
+			default: 1883,
+		},
+		{
+			displayName: 'Username',
+			name: 'username',
+			type: 'string',
+			default: '',
+		},
+		{
+			displayName: 'Password',
+			name: 'password',
+			type: 'string',
+			typeOptions: {
+				password: true,
+			},
+			default: '',
+		},
+		{
+			displayName: 'Clean Session',
+			name: 'clean',
+			type: 'boolean',
+			default: true,
+			description:
+				'Whether to use clean session - set to false to receive QoS 1 and 2 messages while offline',
+		},
+		{
+			displayName: 'Client ID',
+			name: 'clientId',
+			type: 'string',
+			default: '',
+			description: 'Client ID. If left empty, one is autogenerated for you.',
+		},
+		{
+			displayName: 'SSL',
+			name: 'ssl',
+			type: 'boolean',
+			default: false,
+		},
+		{
+			displayName: 'Passwordless',
+			name: 'passwordless',
+			type: 'boolean',
+			displayOptions: {
+				show: {
+					ssl: [true],
+				},
+			},
+			default: true,
+			description:
+				'Whether to use passwordless connection with certificates (SASL mechanism EXTERNAL)',
+		},
+		{
+			displayName: 'CA Certificates',
+			name: 'ca',
+			type: 'string',
+			typeOptions: {
+				password: true,
+			},
+			displayOptions: {
+				show: {
+					ssl: [true],
+				},
+			},
+			default: '',
+			description: 'SSL CA Certificates to use',
+		},
+		{
+			displayName: 'Reject Unauthorized Certificate',
+			name: 'rejectUnauthorized',
+			type: 'boolean',
+			displayOptions: {
+				show: {
+					ssl: [true],
+					passwordless: [true],
+				},
+			} as IDisplayOptions,
+			default: false,
+			description: 'Whether to validate Certificate',
+		},
+		{
+			displayName: 'Client Certificate',
+			name: 'cert',
+			type: 'string',
+			typeOptions: {
+				password: true,
+			},
+			displayOptions: {
+				show: {
+					ssl: [true],
+					passwordless: [true],
+				},
+			} as IDisplayOptions,
+			default: '',
+			description: 'SSL Client Certificate to use',
+		},
+		{
+			displayName: 'Client Key',
+			name: 'key',
+			type: 'string',
+			typeOptions: {
+				password: true,
+			},
+			displayOptions: {
+				show: {
+					ssl: [true],
+					passwordless: [true],
+				},
+			},
+			default: '',
+			description: 'SSL Client Key to use',
+		},
+	];
+}