first commit

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

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+import type {
+	IDataObject,
+	IExecuteFunctions,
+	IHttpRequestMethods,
+	ILoadOptionsFunctions,
+	INodePropertyOptions,
+	IRequestOptions,
+	JsonObject,
+} from 'n8n-workflow';
+import { NodeApiError } from 'n8n-workflow';
+
+/**
+ * Return the access token URL based on the user's environment.
+ */
+async function getTokenUrl(this: IExecuteFunctions | ILoadOptionsFunctions) {
+	const { environment, domain } = await this.getCredentials('bitwardenApi');
+
+	return environment === 'cloudHosted'
+		? 'https://identity.bitwarden.com/connect/token'
+		: `${domain}/identity/connect/token`;
+}
+
+/**
+ * Return the base API URL based on the user's environment.
+ */
+async function getBaseUrl(this: IExecuteFunctions | ILoadOptionsFunctions) {
+	const { environment, domain } = await this.getCredentials('bitwardenApi');
+
+	return environment === 'cloudHosted' ? 'https://api.bitwarden.com' : `${domain}/api`;
+}
+
+/**
+ * Make an authenticated API request to Bitwarden.
+ */
+export async function bitwardenApiRequest(
+	this: IExecuteFunctions | ILoadOptionsFunctions,
+	method: IHttpRequestMethods,
+	endpoint: string,
+	qs: IDataObject,
+	body: IDataObject,
+	token: string,
+): Promise<any> {
+	const baseUrl = await getBaseUrl.call(this);
+	const options: IRequestOptions = {
+		headers: {
+			'user-agent': 'n8n',
+			Authorization: `Bearer ${token}`,
+			'Content-Type': 'application/json',
+		},
+		method,
+		qs,
+		body,
+		uri: `${baseUrl}${endpoint}`,
+		json: true,
+	};
+
+	if (!Object.keys(body).length) {
+		delete options.body;
+	}
+
+	if (!Object.keys(qs).length) {
+		delete options.qs;
+	}
+
+	try {
+		return await this.helpers.request(options);
+	} catch (error) {
+		throw new NodeApiError(this.getNode(), error as JsonObject);
+	}
+}
+
+/**
+ * Retrieve the access token needed for every API request to Bitwarden.
+ */
+export async function getAccessToken(
+	this: IExecuteFunctions | ILoadOptionsFunctions,
+): Promise<any> {
+	const credentials = await this.getCredentials('bitwardenApi');
+
+	const options: IRequestOptions = {
+		headers: {
+			'Content-Type': 'application/x-www-form-urlencoded',
+		},
+		method: 'POST',
+		form: {
+			client_id: credentials.clientId,
+			client_secret: credentials.clientSecret,
+			grant_type: 'client_credentials',
+			scope: 'api.organization',
+			deviceName: 'n8n',
+			deviceType: 2, // https://github.com/bitwarden/server/blob/master/src/Core/Enums/DeviceType.cs
+			deviceIdentifier: 'n8n',
+		},
+		uri: await getTokenUrl.call(this),
+		json: true,
+	};
+
+	try {
+		const { access_token } = await this.helpers.request(options);
+		return access_token;
+	} catch (error) {
+		throw new NodeApiError(this.getNode(), error as JsonObject);
+	}
+}
+
+/**
+ * Supplement a `getAll` operation with `returnAll` and `limit` parameters.
+ */
+export async function handleGetAll(
+	this: IExecuteFunctions,
+	i: number,
+	method: IHttpRequestMethods,
+	endpoint: string,
+	qs: IDataObject,
+	body: IDataObject,
+	token: string,
+) {
+	const responseData = await bitwardenApiRequest.call(this, method, endpoint, qs, body, token);
+	const returnAll = this.getNodeParameter('returnAll', i);
+
+	if (returnAll) {
+		return responseData.data;
+	} else {
+		const limit = this.getNodeParameter('limit', i);
+		return responseData.data.slice(0, limit);
+	}
+}
+
+/**
+ * Load a resource so that it can be selected by name from a dropdown.
+ */
+export async function loadResource(this: ILoadOptionsFunctions, resource: string) {
+	const returnData: INodePropertyOptions[] = [];
+	const token = await getAccessToken.call(this);
+	const endpoint = `/public/${resource}`;
+
+	const { data } = await bitwardenApiRequest.call(this, 'GET', endpoint, {}, {}, token as string);
+
+	data.forEach(({ id, name, externalId }: { id: string; name: string; externalId?: string }) => {
+		returnData.push({
+			name: externalId || name || id,
+			value: id,
+		});
+	});
+
+	return returnData;
+}