first commit

packages/nodes-base/credentials/DropboxOAuth2Api.credentials.ts

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+import type { ICredentialType, INodeProperties } from 'n8n-workflow';
+
+const scopes = ['files.content.write', 'files.content.read', 'sharing.read', 'account_info.read'];
+
+export class DropboxOAuth2Api implements ICredentialType {
+	name = 'dropboxOAuth2Api';
+
+	extends = ['oAuth2Api'];
+
+	displayName = 'Dropbox OAuth2 API';
+
+	documentationUrl = 'dropbox';
+
+	properties: INodeProperties[] = [
+		{
+			displayName: 'Grant Type',
+			name: 'grantType',
+			type: 'hidden',
+			default: 'authorizationCode',
+		},
+		{
+			displayName: 'Authorization URL',
+			name: 'authUrl',
+			type: 'hidden',
+			default: 'https://www.dropbox.com/oauth2/authorize',
+			required: true,
+		},
+		{
+			displayName: 'Access Token URL',
+			name: 'accessTokenUrl',
+			type: 'hidden',
+			default: 'https://api.dropboxapi.com/oauth2/token',
+			required: true,
+		},
+		{
+			displayName: 'Scope',
+			name: 'scope',
+			type: 'hidden',
+			default: scopes.join(' '),
+		},
+		{
+			displayName: 'Auth URI Query Parameters',
+			name: 'authQueryParameters',
+			type: 'hidden',
+			default: 'token_access_type=offline&force_reapprove=true',
+		},
+		{
+			displayName: 'Authentication',
+			name: 'authentication',
+			type: 'hidden',
+			default: 'header',
+		},
+		{
+			displayName: 'APP Access Type',
+			name: 'accessType',
+			type: 'options',
+			options: [
+				{
+					name: 'App Folder',
+					value: 'folder',
+				},
+				{
+					name: 'Full Dropbox',
+					value: 'full',
+				},
+			],
+			default: 'full',
+		},
+	];
+}