feat(HTTP Request Node): New http request generic custom auth credential (#5798)

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

@@ -0,0 +1,28 @@
+/* eslint-disable n8n-nodes-base/cred-class-field-name-unsuffixed */
+/* eslint-disable n8n-nodes-base/cred-class-name-unsuffixed */
+import type { ICredentialType, INodeProperties } from 'n8n-workflow';
+
+export class HttpCustomAuth implements ICredentialType {
+	name = 'httpCustomAuth';
+
+	displayName = 'Custom Auth';
+
+	documentationUrl = 'httpRequest';
+
+	genericAuth = true;
+
+	icon = 'node:n8n-nodes-base.httpRequest';
+
+	properties: INodeProperties[] = [
+		{
+			displayName: 'JSON',
+			name: 'json',
+			type: 'json',
+			required: true,
+			description: 'Use json to specify authentication values for headers, body and qs.',
+			placeholder:
+				'{ "headers": { "key" : "value" }, "body": { "key": "value" }, "qs": { "key": "value" } }',
+			default: '',
+		},
+	];
+}

packages/nodes-base/nodes/GraphQL/GraphQL.node.ts

@@ -6,8 +6,9 @@ import type {
 	INodeType,
 	INodeTypeDescription,
 	JsonObject,
+	IRequestOptionsSimplified,
 } from 'n8n-workflow';
-import { NodeApiError, NodeOperationError } from 'n8n-workflow';
+import { NodeApiError, NodeOperationError, jsonParse } from 'n8n-workflow';
 
 import type { OptionsWithUri } from 'request';
 import type { RequestPromiseOptions } from 'request-promise-native';
@@ -36,6 +37,15 @@ export class GraphQL implements INodeType {
 					},
 				},
 			},
+			{
+				name: 'httpCustomAuth',
+				required: true,
+				displayOptions: {
+					show: {
+						authentication: ['customAuth'],
+					},
+				},
+			},
 			{
 				name: 'httpDigestAuth',
 				required: true,
@@ -92,6 +102,10 @@ export class GraphQL implements INodeType {
 						name: 'Basic Auth',
 						value: 'basicAuth',
 					},
+					{
+						name: 'Custom Auth',
+						value: 'customAuth',
+					},
 					{
 						name: 'Digest Auth',
 						value: 'digestAuth',
@@ -284,6 +298,7 @@ export class GraphQL implements INodeType {
 		const items = this.getInputData();
 		let httpBasicAuth;
 		let httpDigestAuth;
+		let httpCustomAuth;
 		let httpHeaderAuth;
 		let httpQueryAuth;
 		let oAuth1Api;
@@ -294,6 +309,11 @@ export class GraphQL implements INodeType {
 		} catch (error) {
 			// Do nothing
 		}
+		try {
+			httpCustomAuth = await this.getCredentials('httpCustomAuth');
+		} catch (error) {
+			// Do nothing
+		}
 		try {
 			httpDigestAuth = await this.getCredentials('httpDigestAuth');
 		} catch (error) {
@@ -361,6 +381,21 @@ export class GraphQL implements INodeType {
 						pass: httpBasicAuth.password as string,
 					};
 				}
+				if (httpCustomAuth !== undefined) {
+					const customAuth = jsonParse<IRequestOptionsSimplified>(
+						(httpCustomAuth.json as string) || '{}',
+						{ errorMessage: 'Invalid Custom Auth JSON' },
+					);
+					if (customAuth.headers) {
+						requestOptions.headers = { ...requestOptions.headers, ...customAuth.headers };
+					}
+					if (customAuth.body) {
+						requestOptions.body = { ...requestOptions.body, ...customAuth.body };
+					}
+					if (customAuth.qs) {
+						requestOptions.qs = { ...requestOptions.qs, ...customAuth.qs };
+					}
+				}
 				if (httpHeaderAuth !== undefined) {
 					requestOptions.headers![httpHeaderAuth.name as string] = httpHeaderAuth.value;
 				}
@@ -387,6 +422,7 @@ export class GraphQL implements INodeType {
 				} else {
 					if (requestFormat === 'json') {
 						requestOptions.body = {
+							...requestOptions.body,
 							query: gqlQuery,
 							variables: this.getNodeParameter('variables', itemIndex, {}) as object,
 							operationName: this.getNodeParameter('operationName', itemIndex) as string,

packages/nodes-base/nodes/HttpRequest/V3/HttpRequestV3.node.ts

@@ -8,6 +8,7 @@ import type {
 	INodeType,
 	INodeTypeBaseDescription,
 	INodeTypeDescription,
+	IRequestOptionsSimplified,
 	JsonObject,
 } from 'n8n-workflow';
 
@@ -969,6 +970,7 @@ export class HttpRequestV3 implements INodeType {
 		let httpDigestAuth;
 		let httpHeaderAuth;
 		let httpQueryAuth;
+		let httpCustomAuth;
 		let oAuth1Api;
 		let oAuth2Api;
 		let nodeCredentialType;
@@ -992,6 +994,10 @@ export class HttpRequestV3 implements INodeType {
 				try {
 					httpQueryAuth = await this.getCredentials('httpQueryAuth');
 				} catch {}
+			} else if (genericAuthType === 'httpCustomAuth') {
+				try {
+					httpCustomAuth = await this.getCredentials('httpCustomAuth');
+				} catch {}
 			} else if (genericAuthType === 'oAuth1Api') {
 				try {
 					oAuth1Api = await this.getCredentials('oAuth1Api');
@@ -1345,6 +1351,24 @@ export class HttpRequestV3 implements INodeType {
 				};
 				authDataKeys.auth = ['pass'];
 			}
+			if (httpCustomAuth !== undefined) {
+				const customAuth = jsonParse<IRequestOptionsSimplified>(
+					(httpCustomAuth.json as string) || '{}',
+					{ errorMessage: 'Invalid Custom Auth JSON' },
+				);
+				if (customAuth.headers) {
+					requestOptions.headers = { ...requestOptions.headers, ...customAuth.headers };
+					authDataKeys.headers = Object.keys(customAuth.headers);
+				}
+				if (customAuth.body) {
+					requestOptions.body = { ...requestOptions.body, ...customAuth.body };
+					authDataKeys.body = Object.keys(customAuth.body);
+				}
+				if (customAuth.qs) {
+					requestOptions.qs = { ...requestOptions.qs, ...customAuth.qs };
+					authDataKeys.qs = Object.keys(customAuth.qs);
+				}
+			}
 
 			if (requestOptions.headers!.accept === undefined) {
 				if (responseFormat === 'json') {

packages/nodes-base/package.json

@@ -152,6 +152,7 @@
       "dist/credentials/HttpBasicAuth.credentials.js",
       "dist/credentials/HttpDigestAuth.credentials.js",
       "dist/credentials/HttpHeaderAuth.credentials.js",
+      "dist/credentials/HttpCustomAuth.credentials.js",
       "dist/credentials/HttpQueryAuth.credentials.js",
       "dist/credentials/HubspotApi.credentials.js",
       "dist/credentials/HubspotAppToken.credentials.js",