fix(GraphQL Node): Refresh OAuth2 token when it expires (#17891)

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

@@ -497,9 +497,20 @@ export class GraphQL implements INodeType {
 				if (oAuth1Api !== undefined) {
 					response = await this.helpers.requestOAuth1.call(this, 'oAuth1Api', requestOptions);
 				} else if (oAuth2Api !== undefined) {
-					response = await this.helpers.requestOAuth2.call(this, 'oAuth2Api', requestOptions, {
+					response = await this.helpers.requestOAuth2.call(
-						tokenType: 'Bearer',
+						this,
-					});
+						'oAuth2Api',
+						{
+							...requestOptions,
+							// needed for the refresh mechanism to work properly
+							resolveWithFullResponse: true,
+						},
+						{
+							tokenType: 'Bearer',
+						},
+					);
+					// since we are using `resolveWithFullResponse: true`, we need to grab the body
+					response = response.body;
 				} else {
 					response = await this.helpers.request(requestOptions);
 				}

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

@@ -2,9 +2,8 @@ import { NodeTestHarness } from '@nodes-testing/node-test-harness';
 import nock from 'nock';
 
 describe('GraphQL Node', () => {
-	const baseUrl = 'https://api.n8n.io/';
+	describe('valid request', () => {
-
+		const baseUrl = 'https://api.n8n.io/';
-	beforeAll(async () => {
 		nock(baseUrl)
 			.matchHeader('accept', 'application/json')
 			.matchHeader('content-type', 'application/json')
@@ -54,7 +53,61 @@ describe('GraphQL Node', () => {
 					},
 				},
 			});
+
+		new NodeTestHarness().setupTests({
+			workflowFiles: ['workflow.json'],
+		});
 	});
 
-	new NodeTestHarness().setupTests();
+	describe('invalid expression', () => {
+		new NodeTestHarness().setupTests({
+			workflowFiles: ['workflow.error_invalid_expression.json'],
+		});
+	});
+
+	describe('oauth2 refresh token', () => {
+		const credentials = {
+			oAuth2Api: {
+				scope: '',
+				accessTokenUrl: 'http://test/token',
+				clientId: 'dummy_client_id',
+				clientSecret: 'dummy_client_secret',
+				oauthTokenData: {
+					access_token: 'dummy_access_token',
+					refresh_token: 'dummy_refresh_token',
+				},
+			},
+		};
+		const baseUrl = 'http://test';
+		nock(baseUrl)
+			.post('/graphql', '{"query":"query { foo }","variables":{},"operationName":null}')
+			.reply(401, {
+				errors: [
+					{
+						message: 'Unauthorized',
+					},
+				],
+			});
+		nock(baseUrl)
+			.post('/token', {
+				refresh_token: 'dummy_refresh_token',
+				grant_type: 'refresh_token',
+			})
+			.reply(200, {
+				access_token: 'dummy_access_token',
+				refresh_token: 'dummy_refresh_token',
+				expires_in: 3600,
+			});
+		nock(baseUrl)
+			.post('/graphql', '{"query":"query { foo }","variables":{},"operationName":null}')
+			.reply(200, {
+				data: {
+					foo: 'bar',
+				},
+			});
+		new NodeTestHarness().setupTests({
+			workflowFiles: ['workflow.refresh_token.json'],
+			credentials,
+		});
+	});
 });

packages/nodes-base/nodes/GraphQL/test/workflow.refresh_token.json

@@ -0,0 +1,67 @@
+{
+	"name": "GraphQL Refersh Token",
+	"nodes": [
+		{
+			"parameters": {},
+			"id": "ae67b437-48c0-4c4b-9c8f-005b8911ca5f",
+			"name": "When clicking ‘Execute workflow’",
+			"type": "n8n-nodes-base.manualTrigger",
+			"typeVersion": 1,
+			"position": [32, 80]
+		},
+		{
+			"parameters": {
+				"authentication": "oAuth2",
+				"endpoint": "http://test/graphql",
+				"requestFormat": "json",
+				"query": "query { foo }"
+			},
+			"name": "GraphQL",
+			"type": "n8n-nodes-base.graphql",
+			"typeVersion": 1,
+			"position": [256, 80],
+			"id": "6cb4c117-907a-40b9-b3ba-cd3756b1cb7b",
+			"credentials": {
+				"oAuth2Api": {
+					"id": "PpmTbnw41Q2nqqoW",
+					"name": "Dummy (local)"
+				}
+			}
+		}
+	],
+	"pinData": {
+		"GraphQL": [
+			{
+				"json": {
+					"data": {
+						"foo": "bar"
+					}
+				}
+			}
+		]
+	},
+	"connections": {
+		"When clicking ‘Execute workflow’": {
+			"main": [
+				[
+					{
+						"node": "GraphQL",
+						"type": "main",
+						"index": 0
+					}
+				]
+			]
+		}
+	},
+	"active": false,
+	"settings": {
+		"executionOrder": "v1"
+	},
+	"versionId": "659c76f4-ac29-4c2f-bf40-70b476afbc1d",
+	"meta": {
+		"templateCredsSetupCompleted": true,
+		"instanceId": "eeda9e3069aca300d1dfceeb64beb5b53d715db44a50461bbc5cb0cf6daa01e3"
+	},
+	"id": "O4IzQ2D7h7cfZtB4",
+	"tags": []
+}