feat(Ldap Node): Add LDAP node (#4783)

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

@@ -0,0 +1,91 @@
+/* eslint-disable n8n-nodes-base/cred-class-name-unsuffixed,n8n-nodes-base/cred-class-field-name-unsuffixed,n8n-nodes-base/cred-class-field-display-name-missing-api */
+import { ICredentialType, INodeProperties } from 'n8n-workflow';
+
+export class Ldap implements ICredentialType {
+	name = 'ldap';
+
+	displayName = 'LDAP';
+
+	properties: INodeProperties[] = [
+		{
+			displayName: 'LDAP Server Address',
+			name: 'hostname',
+			type: 'string',
+			default: '',
+			required: true,
+			description: 'IP or domain of the LDAP server',
+		},
+		{
+			displayName: 'LDAP Server Port',
+			name: 'port',
+			type: 'string',
+			default: '389',
+			description: 'Port used to connect to the LDAP server',
+		},
+		{
+			displayName: 'Binding DN',
+			name: 'bindDN',
+			type: 'string',
+			default: '',
+			description: 'Distinguished Name of the user to connect as',
+			required: true,
+		},
+		{
+			displayName: 'Binding Password',
+			name: 'bindPassword',
+			type: 'string',
+			typeOptions: {
+				password: true,
+			},
+			default: '',
+			description: 'Password of the user provided in the Binding DN field above',
+			required: true,
+		},
+		{
+			displayName: 'Connection Security',
+			name: 'connectionSecurity',
+			type: 'options',
+			default: 'none',
+			options: [
+				{
+					name: 'None',
+					value: 'none',
+				},
+				{
+					name: 'TLS',
+					value: 'tls',
+				},
+				{
+					name: 'STARTTLS',
+					value: 'startTls',
+				},
+			],
+		},
+		{
+			displayName: 'Ignore SSL/TLS Issues',
+			name: 'allowUnauthorizedCerts',
+			type: 'boolean',
+			description: 'Whether to connect even if SSL/TLS certificate validation is not possible',
+			default: false,
+			displayOptions: {
+				hide: {
+					connectionSecurity: ['none'],
+				},
+			},
+		},
+		{
+			displayName: 'CA Certificate',
+			name: 'caCertificate',
+			typeOptions: {
+				alwaysOpenEditWindow: true,
+			},
+			displayOptions: {
+				hide: {
+					connectionSecurity: ['none'],
+				},
+			},
+			type: 'string',
+			default: '',
+		},
+	];
+}