N8N-4126 credentials injection and testing on specific nodes

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

@@ -1,4 +1,9 @@
-import { ICredentialType, NodePropertyTypes } from 'n8n-workflow';
+import {
+	IAuthenticateGeneric,
+	ICredentialTestRequest,
+	ICredentialType,
+	NodePropertyTypes,
+} from 'n8n-workflow';
 
 export class DropcontactApi implements ICredentialType {
 	name = 'dropcontactApi';
@@ -12,4 +17,23 @@ export class DropcontactApi implements ICredentialType {
 			default: '',
 		},
 	];
+	authenticate: IAuthenticateGeneric = {
+		type: 'generic',
+		properties: {
+			headers: {
+				'user-agent': 'n8n',
+				'X-Access-Token': '={{$credentials.apiKey}}',
+			},
+		},
+	};
+	test: ICredentialTestRequest = {
+		request: {
+			baseURL: 'https://api.dropcontact.io',
+			url: '/batch',
+			method: 'POST',
+			body: {
+				data: [{ email: '' }],
+			},
+		},
+	};
 }

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

@@ -1,4 +1,10 @@
-import { ICredentialType, INodeProperties } from 'n8n-workflow';
+import {
+	ICredentialDataDecryptedObject,
+	ICredentialTestRequest,
+	ICredentialType,
+	IHttpRequestOptions,
+	INodeProperties,
+} from 'n8n-workflow';
 
 export class LemlistApi implements ICredentialType {
 	name = 'lemlistApi';
@@ -12,4 +18,19 @@ export class LemlistApi implements ICredentialType {
 			default: '',
 		},
 	];
+	async authenticate(
+		credentials: ICredentialDataDecryptedObject,
+		requestOptions: IHttpRequestOptions,
+	): Promise<IHttpRequestOptions> {
+		const encodedApiKey = Buffer.from(':' + credentials.apiKey).toString('base64');
+		requestOptions.headers!['Authorization'] = `Basic ${encodedApiKey}`;
+		requestOptions.headers!['user-agent'] = 'n8n';
+		return requestOptions;
+	}
+	test: ICredentialTestRequest = {
+		request: {
+			baseURL: 'https://api.lemlist.com/api',
+			url: '/campaigns',
+		},
+	};
 }

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

@@ -1,4 +1,9 @@
-import { ICredentialType, INodeProperties } from 'n8n-workflow';
+import {
+	IAuthenticateGeneric,
+	ICredentialTestRequest,
+	ICredentialType,
+	INodeProperties,
+} from 'n8n-workflow';
 
 export class MailgunApi implements ICredentialType {
 	name = 'mailgunApi';
@@ -35,4 +40,19 @@ export class MailgunApi implements ICredentialType {
 			default: '',
 		},
 	];
+	authenticate: IAuthenticateGeneric = {
+		type: 'generic',
+		properties: {
+			auth: {
+				username: 'api',
+				password: '={{$credentials.apiKey}}',
+			},
+		},
+	};
+	test: ICredentialTestRequest = {
+		request: {
+			baseURL: '=https://{{$credentials.apiDomain}}/v3',
+			url: '/domains',
+		},
+	};
 }

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

@@ -1,4 +1,9 @@
-import { ICredentialType, INodeProperties } from 'n8n-workflow';
+import {
+	IAuthenticateGeneric,
+	ICredentialTestRequest,
+	ICredentialType,
+	INodeProperties,
+} from 'n8n-workflow';
 
 export class PhantombusterApi implements ICredentialType {
 	name = 'phantombusterApi';
@@ -12,4 +17,18 @@ export class PhantombusterApi implements ICredentialType {
 			default: '',
 		},
 	];
+	authenticate: IAuthenticateGeneric = {
+		type: 'generic',
+		properties: {
+			headers: {
+				'X-Phantombuster-Key': '={{$credentials.apiKey}}',
+			},
+		},
+	};
+	test: ICredentialTestRequest = {
+		request: {
+			baseURL: 'https://api.phantombuster.com/api/v2',
+			url: '/agents/fetch-all',
+		},
+	};
 }

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

@@ -1,4 +1,9 @@
-import { ICredentialType, INodeProperties } from 'n8n-workflow';
+import {
+	ICredentialDataDecryptedObject,
+	ICredentialType,
+	IHttpRequestOptions,
+	INodeProperties,
+} from 'n8n-workflow';
 
 export class SegmentApi implements ICredentialType {
 	name = 'segmentApi';
@@ -12,4 +17,12 @@ export class SegmentApi implements ICredentialType {
 			default: '',
 		},
 	];
+	async authenticate(
+		credentials: ICredentialDataDecryptedObject,
+		requestOptions: IHttpRequestOptions,
+	): Promise<IHttpRequestOptions> {
+		const base64Key = Buffer.from(`${credentials.writekey}:`).toString('base64');
+		requestOptions.headers!['Authorization'] = `Basic ${base64Key}`;
+		return requestOptions;
+	}
 }

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

@@ -1,4 +1,9 @@
-import { ICredentialType, INodeProperties } from 'n8n-workflow';
+import {
+	IAuthenticateGeneric,
+	ICredentialTestRequest,
+	ICredentialType,
+	INodeProperties,
+} from 'n8n-workflow';
 
 export class SupabaseApi implements ICredentialType {
 	name = 'supabaseApi';
@@ -19,4 +24,22 @@ export class SupabaseApi implements ICredentialType {
 			default: '',
 		},
 	];
+	authenticate: IAuthenticateGeneric = {
+		type: 'generic',
+		properties: {
+			headers: {
+				apikey: '={{$credentials.serviceRole}}',
+				Authorization: '=Bearer {{$credentials.serviceRole}}',
+			},
+		},
+	};
+	test: ICredentialTestRequest = {
+		request: {
+			baseURL: '={{$credentials.host}}/rest/v1',
+			headers: {
+				Prefer: 'return=representation',
+			},
+			url: '/',
+		},
+	};
 }

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

@@ -1,4 +1,10 @@
-import { ICredentialType, INodeProperties } from 'n8n-workflow';
+import {
+	ICredentialDataDecryptedObject,
+	ICredentialTestRequest,
+	ICredentialType,
+	IHttpRequestOptions,
+	INodeProperties,
+} from 'n8n-workflow';
 
 export class UProcApi implements ICredentialType {
 	name = 'uprocApi';
@@ -19,4 +25,22 @@ export class UProcApi implements ICredentialType {
 			default: '',
 		},
 	];
+	async authenticate(
+		credentials: ICredentialDataDecryptedObject,
+		requestOptions: IHttpRequestOptions,
+	): Promise<IHttpRequestOptions> {
+		const token = Buffer.from(`${credentials.email}:${credentials.apiKey}`).toString('base64');
+		requestOptions.headers = {
+			...requestOptions.headers,
+			Authorization: `Basic ${token}`,
+		};
+		return requestOptions;
+	}
+	test: ICredentialTestRequest = {
+		request: {
+			baseURL: 'https://api.uproc.io/api/v2',
+			url: '/profile',
+			method: 'GET',
+		},
+	};
 }

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

@@ -12,7 +12,7 @@ import {
 	NodeApiError,
 } from 'n8n-workflow';
 
-import { dropcontactApiRequest, validateCredentials } from './GenericFunction';
+import { dropcontactApiRequest } from './GenericFunction';
 
 export class Dropcontact implements INodeType {
 	description: INodeTypeDescription = {
@@ -32,7 +32,6 @@ export class Dropcontact implements INodeType {
 			{
 				name: 'dropcontactApi',
 				required: true,
-				testedBy: 'dropcontactApiCredentialTest',
 			},
 		],
 		properties: [
@@ -244,30 +243,6 @@ export class Dropcontact implements INodeType {
 			},
 		],
 	};
-
-	methods = {
-		credentialTest: {
-			async dropcontactApiCredentialTest(
-				this: ICredentialTestFunctions,
-				credential: ICredentialsDecrypted,
-			): Promise<INodeCredentialTestResult> {
-				try {
-					await validateCredentials.call(this, credential.data as ICredentialDataDecryptedObject);
-				} catch (error) {
-					return {
-						status: 'Error',
-						message: 'The API Key included in the request is invalid',
-					};
-				}
-
-				return {
-					status: 'OK',
-					message: 'Connection successful!',
-				};
-			},
-		},
-	};
-
 	async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
 		const entryData = this.getInputData();
 		const resource = this.getNodeParameter('resource', 0) as string;

packages/nodes-base/nodes/Dropcontact/GenericFunction.ts

@@ -1,12 +1,6 @@
 import { IExecuteFunctions, IHookFunctions } from 'n8n-core';
 
-import {
-	ICredentialDataDecryptedObject,
-	ICredentialTestFunctions,
-	IDataObject,
-	ILoadOptionsFunctions,
-	NodeApiError,
-} from 'n8n-workflow';
+import { IDataObject, ILoadOptionsFunctions, NodeApiError } from 'n8n-workflow';
 
 import { OptionsWithUri } from 'request';
 
@@ -20,15 +14,7 @@ export async function dropcontactApiRequest(
 	body: IDataObject,
 	qs: IDataObject,
 ) {
-	const { apiKey } = (await this.getCredentials('dropcontactApi')) as {
-		apiKey: string;
-	};
-
 	const options: OptionsWithUri = {
-		headers: {
-			'user-agent': 'n8n',
-			'X-Access-Token': apiKey,
-		},
 		method,
 		uri: `https://api.dropcontact.io${endpoint}`,
 		qs,
@@ -45,35 +31,8 @@ export async function dropcontactApiRequest(
 	}
 
 	try {
-		return await this.helpers.request!(options);
+		return await this.helpers.requestWithAuthentication.call(this, 'dropcontactApi', options);
 	} catch (error) {
 		throw new NodeApiError(this.getNode(), error);
 	}
 }
-
-export async function validateCredentials(
-	this: ICredentialTestFunctions,
-	decryptedCredentials: ICredentialDataDecryptedObject,
-	// tslint:disable-next-line:no-any
-): Promise<any> {
-	const credentials = decryptedCredentials;
-
-	const { apiKey } = credentials as {
-		apiKey: string;
-	};
-
-	const options: OptionsWithUri = {
-		headers: {
-			'user-agent': 'n8n',
-			'X-Access-Token': apiKey,
-		},
-		method: 'POST',
-		body: {
-			data: [{ email: '' }],
-		},
-		uri: `https://api.dropcontact.io/batch`,
-		json: true,
-	};
-
-	return this.helpers.request!(options);
-}

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

@@ -17,16 +17,9 @@ export async function lemlistApiRequest(
 	qs: IDataObject = {},
 	option: IDataObject = {},
 ) {
-	const { apiKey } = (await this.getCredentials('lemlistApi')) as {
-		apiKey: string;
-	};
-
-	const encodedApiKey = Buffer.from(':' + apiKey).toString('base64');
 
 	const options: OptionsWithUri = {
 		headers: {
-			'user-agent': 'n8n',
-			Authorization: `Basic ${encodedApiKey}`,
 		},
 		method,
 		uri: `https://api.lemlist.com/api${endpoint}`,
@@ -48,7 +41,7 @@ export async function lemlistApiRequest(
 	}
 
 	try {
-		return await this.helpers.request!(options);
+		return await this.helpers.requestWithAuthentication.call(this,'lemlistApi',options);
 	} catch (error) {
 		throw new NodeApiError(this.getNode(), error);
 	}

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

@@ -173,17 +173,13 @@ export class Mailgun implements INodeType {
 					method: 'POST',
 					formData,
 					uri: `https://${credentials.apiDomain}/v3/${credentials.emailDomain}/messages`,
-					auth: {
-						user: 'api',
-						pass: credentials.apiKey as string,
-					},
 					json: true,
 				};
 
 				let responseData;
 
 				try {
-					responseData = await this.helpers.request(options);
+					responseData = await this.helpers.requestWithAuthentication.call(this, 'mailgunApi', options);
 				} catch (error) {
 					throw new NodeApiError(this.getNode(), error);
 				}

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

@@ -18,7 +18,6 @@ export async function phantombusterApiRequest(
 
 	const options: OptionsWithUri = {
 		headers: {
-			'X-Phantombuster-Key': credentials.apiKey,
 		},
 		method,
 		body,
@@ -31,7 +30,7 @@ export async function phantombusterApiRequest(
 			delete options.body;
 		}
 		//@ts-ignore
-		return await this.helpers.request.call(this, options);
+		return await this.helpers.requestWithAuthentication.call(this, 'phantombusterApi',options);
 	} catch (error) {
 		throw new NodeApiError(this.getNode(), error);
 	}