OAuth2 support

packages/nodes-base/credentials/PipedriveOAuth2Api.credentials.ts

@@ -0,0 +1,47 @@
+import {
+	ICredentialType,
+	NodePropertyTypes,
+} from 'n8n-workflow';
+
+
+export class PipedriveOAuth2Api implements ICredentialType {
+	name = 'pipedriveOAuth2Api';
+	extends = [
+		'oAuth2Api',
+	];
+	displayName = 'Pipedrive OAuth2 API';
+	properties = [
+		{
+			displayName: 'Authorization URL',
+			name: 'authUrl',
+			type: 'hidden' as NodePropertyTypes,
+			default: 'https://oauth.pipedrive.com/oauth/authorize',
+			required: true,
+		},
+		{
+			displayName: 'Access Token URL',
+			name: 'accessTokenUrl',
+			type: 'hidden' as NodePropertyTypes,
+			default: 'https://oauth.pipedrive.com/oauth/token',
+			required: true,
+		},
+		{
+			displayName: 'Scope',
+			name: 'scope',
+			type: 'string' as NodePropertyTypes,
+			default: '',
+		},
+		{
+			displayName: 'Auth URI Query Parameters',
+			name: 'authQueryParameters',
+			type: 'hidden' as NodePropertyTypes,
+			default: '',
+		},
+		{
+			displayName: 'Authentication',
+			name: 'authentication',
+			type: 'hidden' as NodePropertyTypes,
+			default: 'header',
+		},
+	];
+}

packages/nodes-base/nodes/Pipedrive/GenericFunctions.ts

@@ -23,7 +23,6 @@ export interface ICustomProperties {
 	[key: string]: ICustomInterface;
 }
 
-
 /**
  * Make an API request to Pipedrive
  *
@@ -34,16 +33,7 @@ export interface ICustomProperties {
  * @returns {Promise<any>}
  */
 export async function pipedriveApiRequest(this: IHookFunctions | IExecuteFunctions, method: string, endpoint: string, body: IDataObject, query?: IDataObject, formData?: IDataObject, downloadFile?: boolean): Promise<any> { // tslint:disable-line:no-any
-	const credentials = this.getCredentials('pipedriveApi');
-	if (credentials === undefined) {
-		throw new Error('No credentials got returned!');
-	}
-
-	if (query === undefined) {
-		query = {};
-	}
-
-	query.api_token = credentials.apiToken;
+	const authenticationMethod = this.getNodeParameter('authentication', 0);
 
 	const options: OptionsWithUri = {
 		method,
@@ -65,8 +55,27 @@ export async function pipedriveApiRequest(this: IHookFunctions | IExecuteFunctio
 		options.formData = formData;
 	}
 
+	if (query === undefined) {
+		query = {};
+	}
+
+	let responseData;
+
 	try {
-		const responseData = await this.helpers.request(options);
+		if (authenticationMethod === 'accessToken') {
+
+			const credentials = this.getCredentials('pipedriveApi');
+			if (credentials === undefined) {
+				throw new Error('No credentials got returned!');
+			}
+
+			query.api_token = credentials.apiToken;
+
+			responseData = await this.helpers.request(options);
+
+		} else {
+			responseData = await this.helpers.requestOAuth2!.call(this, 'pipedriveOAuth2Api', options);
+		}
 
 		if (downloadFile === true) {
 			return {
@@ -82,7 +91,7 @@ export async function pipedriveApiRequest(this: IHookFunctions | IExecuteFunctio
 			additionalData: responseData.additional_data,
 			data: responseData.data,
 		};
-	} catch (error) {
+	} catch(error) {
 		if (error.statusCode === 401) {
 			// Return a clear error
 			throw new Error('The Pipedrive credentials are not valid!');
@@ -102,8 +111,6 @@ export async function pipedriveApiRequest(this: IHookFunctions | IExecuteFunctio
 	}
 }
 
-
-
 /**
  * Make an API request to paginated Pipedrive endpoint
  * and return all results

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

@@ -61,9 +61,44 @@ export class Pipedrive implements INodeType {
 			{
 				name: 'pipedriveApi',
 				required: true,
-			}
+				displayOptions: {
+					show: {
+						authentication: [
+							'accessToken',
+						],
+					},
+				},
+			},
+			{
+				name: 'pipedriveOAuth2Api',
+				required: true,
+				displayOptions: {
+					show: {
+						authentication: [
+							'oAuth2',
+						],
+					},
+				},
+			},
 		],
 		properties: [
+			{
+				displayName: 'Authentication',
+				name: 'authentication',
+				type: 'options',
+				options: [
+					{
+						name: 'Access Token',
+						value: 'accessToken',
+					},
+					{
+						name: 'OAuth2',
+						value: 'oAuth2',
+					},
+				],
+				default: 'accessToken',
+				description: 'The resource to operate on.',
+			},
 			{
 				displayName: 'Resource',
 				name: 'resource',

packages/nodes-base/nodes/Pipedrive/PipedriveTrigger.node.ts

@@ -52,14 +52,21 @@ export class PipedriveTrigger implements INodeType {
 			{
 				name: 'pipedriveApi',
 				required: true,
+				displayOptions: {
+					show: {
+						authentication: [
+							'accessToken',
+						],
+					},
+				},
 			},
 			{
-				name: 'httpBasicAuth',
+				name: 'pipedriveOAuth2Api',
 				required: true,
 				displayOptions: {
 					show: {
 						authentication: [
-							'basicAuth',
+							'oAuth2',
 						],
 					},
 				},
@@ -80,15 +87,16 @@ export class PipedriveTrigger implements INodeType {
 				type: 'options',
 				options: [
 					{
-						name: 'Basic Auth',
-						value: 'basicAuth'
+						name: 'Access Token',
+						value: 'accessToken'
 					},
 					{
-						name: 'None',
-						value: 'none'
+						name: 'OAuth2',
+						value: 'oAuth2'
 					},
+
 				],
-				default: 'none',
+				default: 'accessToken',
 				description: 'If authentication should be activated for the webhook (makes it more scure).',
 			},
 			{

packages/nodes-base/package.json

@@ -99,6 +99,7 @@
             "dist/credentials/PagerDutyApi.credentials.js",
             "dist/credentials/PayPalApi.credentials.js",
             "dist/credentials/PipedriveApi.credentials.js",
+            "dist/credentials/PipedriveOAuth2Api.credentials.js",
             "dist/credentials/Postgres.credentials.js",
             "dist/credentials/Redis.credentials.js",
             "dist/credentials/RocketchatApi.credentials.js",