refactor(core): Allow custom types on getCredentials (no-changelog)

packages/@n8n/nodes-langchain/nodes/embeddings/EmbeddingsAzureOpenAi/EmbeddingsAzureOpenAi.node.ts

@@ -94,11 +94,11 @@ export class EmbeddingsAzureOpenAi implements INodeType {
 
 	async supplyData(this: IExecuteFunctions, itemIndex: number): Promise<SupplyData> {
 		this.logger.verbose('Supply data for embeddings');
-		const credentials = (await this.getCredentials('azureOpenAiApi')) as {
+		const credentials = await this.getCredentials<{
 			apiKey: string;
 			resourceName: string;
 			apiVersion: string;
-		};
+		}>('azureOpenAiApi');
 		const modelName = this.getNodeParameter('model', itemIndex) as string;
 
 		const options = this.getNodeParameter('options', itemIndex, {}) as {

packages/@n8n/nodes-langchain/nodes/embeddings/EmbeddingsCohere/EmbeddingsCohere.node.ts

@@ -102,7 +102,7 @@ export class EmbeddingsCohere implements INodeType {
 	async supplyData(this: IExecuteFunctions, itemIndex: number): Promise<SupplyData> {
 		this.logger.verbose('Supply data for embeddings Cohere');
 		const modelName = this.getNodeParameter('modelName', itemIndex, 'embed-english-v2.0') as string;
-		const credentials = (await this.getCredentials('cohereApi')) as { apiKey: string };
+		const credentials = await this.getCredentials<{ apiKey: string }>('cohereApi');
 		const embeddings = new CohereEmbeddings({
 			apiKey: credentials.apiKey,
 			model: modelName,

packages/@n8n/nodes-langchain/nodes/llms/LmChatAzureOpenAi/LmChatAzureOpenAi.node.ts

@@ -133,11 +133,11 @@ export class LmChatAzureOpenAi implements INodeType {
 	};
 
 	async supplyData(this: IExecuteFunctions, itemIndex: number): Promise<SupplyData> {
-		const credentials = (await this.getCredentials('azureOpenAiApi')) as {
+		const credentials = await this.getCredentials<{
 			apiKey: string;
 			resourceName: string;
 			apiVersion: string;
-		};
+		}>('azureOpenAiApi');
 
 		const modelName = this.getNodeParameter('model', itemIndex) as string;
 		const options = this.getNodeParameter('options', itemIndex, {}) as {

packages/@n8n/nodes-langchain/nodes/memory/MemoryPostgresChat/MemoryPostgresChat.node.ts

@@ -74,7 +74,7 @@ export class MemoryPostgresChat implements INodeType {
 	};
 
 	async supplyData(this: IExecuteFunctions, itemIndex: number): Promise<SupplyData> {
-		const credentials = (await this.getCredentials('postgres')) as PostgresNodeCredentials;
+		const credentials = await this.getCredentials<PostgresNodeCredentials>('postgres');
 		const tableName = this.getNodeParameter('tableName', itemIndex, 'n8n_chat_histories') as string;
 		const sessionId = getSessionId(this, itemIndex);
 

packages/@n8n/nodes-langchain/nodes/memory/MemoryZep/MemoryZep.node.ts

@@ -104,11 +104,11 @@ export class MemoryZep implements INodeType {
 	};
 
 	async supplyData(this: IExecuteFunctions, itemIndex: number): Promise<SupplyData> {
-		const credentials = (await this.getCredentials('zepApi')) as {
+		const credentials = await this.getCredentials<{
 			apiKey?: string;
 			apiUrl?: string;
 			cloud?: boolean;
-		};
+		}>('zepApi');
 
 		const nodeVersion = this.getNode().typeVersion;
 

packages/@n8n/nodes-langchain/nodes/trigger/ChatTrigger/GenericFunctions.ts

@@ -14,7 +14,7 @@ export async function validateAuth(context: IWebhookFunctions) {
 		// Basic authorization is needed to call webhook
 		let expectedAuth: ICredentialDataDecryptedObject | undefined;
 		try {
-			expectedAuth = await context.getCredentials('httpBasicAuth');
+			expectedAuth = await context.getCredentials<ICredentialDataDecryptedObject>('httpBasicAuth');
 		} catch {}
 
 		if (expectedAuth === undefined || !expectedAuth.user || !expectedAuth.password) {

packages/@n8n/nodes-langchain/nodes/vector_store/VectorStoreZep/VectorStoreZep.node.ts

@@ -79,10 +79,10 @@ export const VectorStoreZep = createVectorStoreNode({
 				embeddingDimensions?: number;
 			}) || {};
 
-		const credentials = (await context.getCredentials('zepApi')) as {
+		const credentials = await context.getCredentials<{
 			apiKey?: string;
 			apiUrl: string;
-		};
+		}>('zepApi');
 
 		const zepConfig: IZepConfig = {
 			apiUrl: credentials.apiUrl,
@@ -102,10 +102,10 @@ export const VectorStoreZep = createVectorStoreNode({
 				embeddingDimensions?: number;
 			}) || {};
 
-		const credentials = (await context.getCredentials('zepApi')) as {
+		const credentials = await context.getCredentials<{
 			apiKey?: string;
 			apiUrl: string;
-		};
+		}>('zepApi');
 
 		const zepConfig = {
 			apiUrl: credentials.apiUrl,

packages/@n8n/nodes-langchain/nodes/vector_store/VectorStoreZepInsert/VectorStoreZepInsert.node.ts

@@ -110,10 +110,10 @@ export class VectorStoreZepInsert implements INodeType {
 				embeddingDimensions?: number;
 			}) || {};
 
-		const credentials = (await this.getCredentials('zepApi')) as {
+		const credentials = await this.getCredentials<{
 			apiKey?: string;
 			apiUrl: string;
-		};
+		}>('zepApi');
 
 		const documentInput = (await this.getInputConnectionData(NodeConnectionType.AiDocument, 0)) as
 			| N8nJsonLoader

packages/@n8n/nodes-langchain/nodes/vector_store/VectorStoreZepLoad/VectorStoreZepLoad.node.ts

@@ -93,10 +93,10 @@ export class VectorStoreZepLoad implements INodeType {
 				embeddingDimensions?: number;
 			}) || {};
 
-		const credentials = (await this.getCredentials('zepApi')) as {
+		const credentials = await this.getCredentials<{
 			apiKey?: string;
 			apiUrl: string;
-		};
+		}>('zepApi');
 		const embeddings = (await this.getInputConnectionData(
 			NodeConnectionType.AiEmbedding,
 			0,

packages/core/src/Credentials.ts

@@ -3,20 +3,22 @@ import type { ICredentialDataDecryptedObject, ICredentialsEncrypted } from 'n8n-
 import { ApplicationError, ICredentials, jsonParse } from 'n8n-workflow';
 import { Cipher } from './Cipher';
 
-export class Credentials extends ICredentials {
+export class Credentials<
+	T extends object = ICredentialDataDecryptedObject,
+> extends ICredentials<T> {
 	private readonly cipher = Container.get(Cipher);
 
 	/**
 	 * Sets new credential object
 	 */
-	setData(data: ICredentialDataDecryptedObject): void {
+	setData(data: T): void {
 		this.data = this.cipher.encrypt(data);
 	}
 
 	/**
 	 * Returns the decrypted credential object
 	 */
-	getData(): ICredentialDataDecryptedObject {
+	getData(): T {
 		if (this.data === undefined) {
 			throw new ApplicationError('No data is set so nothing can be returned.');
 		}

packages/core/src/NodeExecuteFunctions.ts

@@ -1656,7 +1656,8 @@ export async function httpRequestWithAuthentication(
 		if (additionalCredentialOptions?.credentialsDecrypted) {
 			credentialsDecrypted = additionalCredentialOptions.credentialsDecrypted.data;
 		} else {
-			credentialsDecrypted = await this.getCredentials(credentialsType);
+			credentialsDecrypted =
+				await this.getCredentials<ICredentialDataDecryptedObject>(credentialsType);
 		}
 
 		if (credentialsDecrypted === undefined) {
@@ -1853,7 +1854,10 @@ export async function requestWithAuthentication(
 		if (additionalCredentialOptions?.credentialsDecrypted) {
 			credentialsDecrypted = additionalCredentialOptions.credentialsDecrypted.data;
 		} else {
-			credentialsDecrypted = await this.getCredentials(credentialsType, itemIndex);
+			credentialsDecrypted = await this.getCredentials<ICredentialDataDecryptedObject>(
+				credentialsType,
+				itemIndex,
+			);
 		}
 
 		if (credentialsDecrypted === undefined) {
@@ -1988,7 +1992,7 @@ export function getAdditionalKeys(
  * @param {INode} node Node which request the data
  * @param {string} type The credential type to return
  */
-export async function getCredentials(
+export async function getCredentials<T extends object = ICredentialDataDecryptedObject>(
 	workflow: Workflow,
 	node: INode,
 	type: string,
@@ -1999,7 +2003,7 @@ export async function getCredentials(
 	runIndex?: number,
 	connectionInputData?: INodeExecutionData[],
 	itemIndex?: number,
-): Promise<ICredentialDataDecryptedObject> {
+): Promise<T> {
 	// Get the NodeType as it has the information if the credentials are required
 	const nodeType = workflow.nodeTypes.getByNameAndVersion(node.type, node.typeVersion);
 	if (nodeType === undefined) {
@@ -2117,7 +2121,7 @@ export async function getCredentials(
 		expressionResolveValues,
 	);
 
-	return decryptedDataObject;
+	return decryptedDataObject as T;
 }
 
 /**

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

@@ -17,7 +17,7 @@ export async function automizyApiRequest(
 	qs: IDataObject = {},
 	option = {},
 ): Promise<any> {
-	const credentials = (await this.getCredentials('automizyApi')) as IDataObject;
+	const credentials = await this.getCredentials<{ apiToken: string }>('automizyApi');
 
 	const options: IRequestOptions = {
 		headers: {

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

@@ -19,16 +19,14 @@ export async function autopilotApiRequest(
 	uri?: string,
 	_option: IDataObject = {},
 ): Promise<any> {
-	const credentials = (await this.getCredentials('autopilotApi')) as IDataObject;
-
-	const apiKey = `${credentials.apiKey}`;
+	const credentials = await this.getCredentials<{ apiKey: string }>('autopilotApi');
 
 	const endpoint = 'https://api2.autopilothq.com/v1';
 
 	const options: IRequestOptions = {
 		headers: {
 			'Content-Type': 'application/json',
-			autopilotapikey: apiKey,
+			autopilotapikey: credentials.apiKey,
 		},
 		method,
 		body,

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

@@ -111,7 +111,7 @@ export class Baserow implements INodeType {
 	methods = {
 		loadOptions: {
 			async getDatabaseIds(this: ILoadOptionsFunctions) {
-				const credentials = (await this.getCredentials('baserowApi')) as BaserowCredentials;
+				const credentials = await this.getCredentials<BaserowCredentials>('baserowApi');
 				const jwtToken = await getJwtToken.call(this, credentials);
 				const endpoint = '/api/applications/';
 				const databases = (await baserowApiRequest.call(
@@ -124,7 +124,7 @@ export class Baserow implements INodeType {
 			},
 
 			async getTableIds(this: ILoadOptionsFunctions) {
-				const credentials = (await this.getCredentials('baserowApi')) as BaserowCredentials;
+				const credentials = await this.getCredentials<BaserowCredentials>('baserowApi');
 				const jwtToken = await getJwtToken.call(this, credentials);
 				const databaseId = this.getNodeParameter('databaseId', 0) as string;
 				const endpoint = `/api/database/tables/database/${databaseId}/`;
@@ -138,7 +138,7 @@ export class Baserow implements INodeType {
 			},
 
 			async getTableFields(this: ILoadOptionsFunctions) {
-				const credentials = (await this.getCredentials('baserowApi')) as BaserowCredentials;
+				const credentials = await this.getCredentials<BaserowCredentials>('baserowApi');
 				const jwtToken = await getJwtToken.call(this, credentials);
 				const tableId = this.getNodeParameter('tableId', 0) as string;
 				const endpoint = `/api/database/fields/table/${tableId}/`;
@@ -160,7 +160,7 @@ export class Baserow implements INodeType {
 		const operation = this.getNodeParameter('operation', 0) as Operation;
 
 		const tableId = this.getNodeParameter('tableId', 0) as string;
-		const credentials = (await this.getCredentials('baserowApi')) as BaserowCredentials;
+		const credentials = await this.getCredentials<BaserowCredentials>('baserowApi');
 		const jwtToken = await getJwtToken.call(this, credentials);
 		const fields = await mapper.getTableFields.call(this, tableId, jwtToken);
 		mapper.createMappings(fields);

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

@@ -21,7 +21,7 @@ export async function baserowApiRequest(
 	body: IDataObject = {},
 	qs: IDataObject = {},
 ) {
-	const credentials = (await this.getCredentials('baserowApi')) as BaserowCredentials;
+	const credentials = await this.getCredentials<BaserowCredentials>('baserowApi');
 
 	const options: IRequestOptions = {
 		headers: {

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

@@ -19,7 +19,7 @@ export async function getAuthenticationType(
 ): Promise<'accessToken' | 'apiKey'> {
 	const authentication = this.getNodeParameter('authentication', 0) as string;
 	if (authentication === 'apiKey') {
-		const { apiKey } = (await this.getCredentials('calendlyApi')) as { apiKey: string };
+		const { apiKey } = await this.getCredentials<{ apiKey: string }>('calendlyApi');
 		return getAuthenticationTypeFromApiKey(apiKey);
 	} else {
 		return 'accessToken';

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

@@ -21,7 +21,7 @@ export async function dhlApiRequest(
 	uri?: string,
 	option: IDataObject = {},
 ): Promise<any> {
-	const credentials = (await this.getCredentials('dhlApi')) as { apiKey: string };
+	const credentials = await this.getCredentials<{ apiKey: string }>('dhlApi');
 
 	let options: IRequestOptions = {
 		headers: {

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

@@ -17,7 +17,7 @@ export async function discourseApiRequest(
 	qs: IDataObject = {},
 	_option = {},
 ): Promise<any> {
-	const credentials = (await this.getCredentials('discourseApi')) as { url: string };
+	const credentials = await this.getCredentials<{ url: string }>('discourseApi');
 
 	const options: IRequestOptions = {
 		method,

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

@@ -17,7 +17,7 @@ export async function disqusApiRequest(
 	body: IDataObject = {},
 	option: IDataObject = {},
 ): Promise<any> {
-	const credentials = (await this.getCredentials('disqusApi')) as IDataObject;
+	const credentials = await this.getCredentials<{ accessToken: string }>('disqusApi');
 	qs.api_key = credentials.accessToken;
 
 	// Convert to query string into a format the API can read

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

@@ -116,8 +116,8 @@ export function simplify(data: IDataObject[]) {
 export async function getCredentials(this: IExecuteFunctions) {
 	const authenticationMethod = this.getNodeParameter('authentication', 0) as string;
 	if (authenticationMethod === 'accessToken') {
-		return (await this.getCredentials('dropboxApi')) as IDataObject;
+		return await this.getCredentials('dropboxApi');
 	} else {
-		return (await this.getCredentials('dropboxOAuth2Api')) as IDataObject;
+		return await this.getCredentials('dropboxOAuth2Api');
 	}
 }

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

@@ -24,7 +24,7 @@ export async function erpNextApiRequest(
 	uri?: string,
 	option: IDataObject = {},
 ) {
-	const credentials = (await this.getCredentials('erpNextApi')) as ERPNextApiCredentials;
+	const credentials = await this.getCredentials<ERPNextApiCredentials>('erpNextApi');
 	const baseUrl = getBaseUrl(credentials);
 
 	let options: IRequestOptions = {

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

@@ -23,7 +23,7 @@ export async function emeliaApiRequest(
 	body: object = {},
 	qs: IDataObject = {},
 ) {
-	const { apiKey } = (await this.getCredentials('emeliaApi')) as { apiKey: string };
+	const { apiKey } = await this.getCredentials<{ apiKey: string }>('emeliaApi');
 
 	const options: IRequestOptions = {
 		headers: {

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

@@ -61,7 +61,7 @@ export async function formIoApiRequest(
 	body = {},
 	qs = {},
 ): Promise<any> {
-	const credentials = (await this.getCredentials('formIoApi')) as unknown as IFormIoCredentials;
+	const credentials = await this.getCredentials<IFormIoCredentials>('formIoApi');
 
 	const token = await getToken.call(this, credentials);
 

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

@@ -73,7 +73,7 @@ export async function apiRequest(
 
 	try {
 		if (authenticationMethod === 'accessToken') {
-			const credentials = (await this.getCredentials('formstackApi')) as IDataObject;
+			const credentials = await this.getCredentials<{ accessToken: string }>('formstackApi');
 
 			options.headers!.Authorization = `Bearer ${credentials.accessToken}`;
 			return await this.helpers.request(options);

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

@@ -23,7 +23,7 @@ export async function freshworksCrmApiRequest(
 	body: IDataObject = {},
 	qs: IDataObject = {},
 ) {
-	const { domain } = (await this.getCredentials('freshworksCrmApi')) as FreshworksCrmApiCredentials;
+	const { domain } = await this.getCredentials<FreshworksCrmApiCredentials>('freshworksCrmApi');
 
 	const options: IRequestOptions = {
 		method,

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

@@ -510,9 +510,9 @@ export class Ftp implements INodeType {
 		const protocol = this.getNodeParameter('protocol', 0) as string;
 
 		if (protocol === 'sftp') {
-			credentials = await this.getCredentials('sftp');
+			credentials = await this.getCredentials<ICredentialDataDecryptedObject>('sftp');
 		} else {
-			credentials = await this.getCredentials('ftp');
+			credentials = await this.getCredentials<ICredentialDataDecryptedObject>('ftp');
 		}
 		let ftp: ftpClient;
 		let sftp: sftpClient;