feat: Add support for preAuthentication and add Metabase credentials (#3399)

* ⚡ Add preAuthentication method to credentials

* Improvements

* ⚡ Improvements

* ⚡ Add feedback

* 🔥 Remove comments

* ⚡ Add generic type to autheticate method

* ⚡ Fix typo

* ⚡ Remove console.log and fix indentation

* ⚡ Minor improvements

* ⚡ Expire credentials in every credential test run

Co-authored-by: Jan Oberhauser <jan.oberhauser@gmail.com>

packages/workflow/src/Interfaces.ts

@@ -166,6 +166,9 @@ export interface IRequestOptionsSimplifiedAuth {
 	skipSslCertificateValidation?: boolean | string;
 }
 
+export interface IHttpRequestHelper {
+	helpers: { httpRequest: IAllExecuteFunctions['helpers']['httpRequest'] };
+}
 export abstract class ICredentialsHelper {
 	encryptionKey: string;
 
@@ -184,6 +187,14 @@ export abstract class ICredentialsHelper {
 		defaultTimezone: string,
 	): Promise<IHttpRequestOptions>;
 
+	abstract preAuthentication(
+		helpers: IHttpRequestHelper,
+		credentials: ICredentialDataDecryptedObject,
+		typeName: string,
+		node: INode,
+		credentialsExpired: boolean,
+	): Promise<ICredentialDataDecryptedObject | undefined>;
+
 	abstract getCredentials(
 		nodeCredentials: INodeCredentialsDetails,
 		type: string,
@@ -269,6 +280,10 @@ export interface ICredentialType {
 	documentationUrl?: string;
 	__overwrittenProperties?: string[];
 	authenticate?: IAuthenticate;
+	preAuthentication?: (
+		this: IHttpRequestHelper,
+		credentials: ICredentialDataDecryptedObject,
+	) => Promise<IDataObject>;
 	test?: ICredentialTestRequest;
 	genericAuth?: boolean;
 }
@@ -894,6 +909,7 @@ export interface INodePropertyTypeOptions {
 	rows?: number; // Supported by: string
 	showAlpha?: boolean; // Supported by: color
 	sortable?: boolean; // Supported when "multipleValues" set to true
+	expirable?: boolean; // Supported by: hidden (only in the credentials)
 	[key: string]: any;
 }
 

packages/workflow/test/Helpers.ts

@@ -14,6 +14,7 @@ import {
 	IExecuteResponsePromiseData,
 	IExecuteSingleFunctions,
 	IExecuteWorkflowInfo,
+	IHttpRequestHelper,
 	IHttpRequestOptions,
 	IN8nHttpFullResponse,
 	IN8nHttpResponse,
@@ -111,6 +112,16 @@ export class CredentialsHelper extends ICredentialsHelper {
 		return requestParams;
 	}
 
+	async preAuthentication(
+		helpers: IHttpRequestHelper,
+		credentials: ICredentialDataDecryptedObject,
+		typeName: string,
+		node: INode,
+		credentialsExpired: boolean,
+	): Promise<{ updatedCredentials: boolean; data: ICredentialDataDecryptedObject }> {
+		return { updatedCredentials: false, data: {} }
+	};
+
 	getParentTypes(name: string): string[] {
 		return [];
 	}