Add OAuth2 credential type

packages/nodes-base/credentials/OAuth2Api.credentials.ts

@@ -0,0 +1,56 @@
+import {
+    ICredentialType,
+    NodePropertyTypes,
+} from 'n8n-workflow';
+
+
+export class OAuth2Api implements ICredentialType {
+    name = 'OAuth2Api';
+    displayName = 'OAuth2 API';
+    properties = [
+        {
+            displayName: 'Authorization URL',
+            name: 'authUrl',
+            type: 'string' as NodePropertyTypes,
+            default: '',
+            required: true,
+        },
+        {
+            displayName: 'Access Token URL',
+            name: 'accessTokenUrl',
+            type: 'string' as NodePropertyTypes,
+            default: '',
+            required: true,
+        },
+        {
+            displayName: 'Callback URL',
+            name: 'callbackUrl',
+            type: 'string' as NodePropertyTypes,
+            default: '',
+            required: true,
+        },
+        {
+            displayName: 'Client ID',
+            name: 'clientId',
+            type: 'string' as NodePropertyTypes,
+            default: '',
+            required: true,
+        },
+        {
+            displayName: 'Client Secret',
+            name: 'clientSecret',
+            type: 'string' as NodePropertyTypes,
+            typeOptions: {
+                password: true,
+            },
+            default: '',
+            required: true,
+        },
+        {
+            displayName: 'Scope',
+            name: 'scope',
+            type: 'string' as NodePropertyTypes,
+            default: '',
+        },
+    ];
+}

packages/nodes-base/package.json

@@ -56,6 +56,7 @@
             "dist/credentials/MySql.credentials.js",
             "dist/credentials/NextCloudApi.credentials.js",
             "dist/credentials/OpenWeatherMapApi.credentials.js",
+            "dist/credentials/OAuth2Api.credentials.js",
             "dist/credentials/PipedriveApi.credentials.js",
             "dist/credentials/Postgres.credentials.js",
             "dist/credentials/PayPalApi.credentials.js",