first commit

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

@@ -0,0 +1,194 @@
+import { createSign } from 'crypto';
+import type {
+	IDataObject,
+	IExecuteFunctions,
+	IHookFunctions,
+	IHttpRequestOptions,
+	ILoadOptionsFunctions,
+	JsonObject,
+} from 'n8n-workflow';
+import { NodeApiError } from 'n8n-workflow';
+
+/**
+ * Make an authenticated API request to Wise.
+ */
+export async function wiseApiRequest(
+	this: IHookFunctions | IExecuteFunctions | ILoadOptionsFunctions,
+	method: 'GET' | 'POST' | 'PUT' | 'DELETE' | 'HEAD' | 'PATCH',
+	endpoint: string,
+	body: IDataObject = {},
+	qs: IDataObject = {},
+	option: IDataObject = {},
+) {
+	const { apiToken, environment, privateKey } = await this.getCredentials<{
+		apiToken: string;
+		environment: 'live' | 'test';
+		privateKey?: string;
+	}>('wiseApi');
+
+	const rootUrl =
+		environment === 'live'
+			? 'https://api.transferwise.com/'
+			: 'https://api.sandbox.transferwise.tech/';
+
+	const options: IHttpRequestOptions = {
+		headers: {
+			'user-agent': 'n8n',
+			Authorization: `Bearer ${apiToken}`,
+		},
+		method,
+		url: `${rootUrl}${endpoint}`,
+		qs,
+		body,
+		json: true,
+		returnFullResponse: true,
+		ignoreHttpStatusErrors: true,
+	};
+
+	if (!Object.keys(body).length) {
+		delete options.body;
+	}
+
+	if (!Object.keys(qs).length) {
+		delete options.qs;
+	}
+
+	if (option.encoding) {
+		delete options.json;
+	}
+
+	if (Object.keys(option)) {
+		Object.assign(options, option);
+	}
+
+	let response;
+	try {
+		response = await this.helpers.httpRequest(options);
+	} catch (error) {
+		delete error.config;
+		throw new NodeApiError(this.getNode(), error as JsonObject);
+	}
+
+	if (response.statusCode >= 200 && response.statusCode < 300) {
+		return response.body;
+	}
+
+	// Request requires SCA approval
+	if (response.statusCode === 403 && response.headers['x-2fa-approval']) {
+		if (!privateKey) {
+			throw new NodeApiError(this.getNode(), {
+				message:
+					'This request requires Strong Customer Authentication (SCA). Please add a key pair to your account and n8n credentials. See https://api-docs.transferwise.com/#strong-customer-authentication-personal-token',
+				headers: response.headers,
+				body: response.body,
+			});
+		}
+		// Sign the x-2fa-approval
+		const oneTimeToken = response.headers['x-2fa-approval'] as string;
+		const signerObject = createSign('RSA-SHA256').update(oneTimeToken);
+		try {
+			const signature = signerObject.sign(privateKey, 'base64');
+			delete option.ignoreHttpStatusErrors;
+			options.headers = {
+				...options.headers,
+				'X-Signature': signature,
+				'x-2fa-approval': oneTimeToken,
+			};
+		} catch (error) {
+			throw new NodeApiError(this.getNode(), {
+				message: 'Error signing SCA request, check your private key',
+				...(error as JsonObject),
+			});
+		}
+		// Retry the request with signed token
+		try {
+			response = await this.helpers.httpRequest(options);
+			return response.body;
+		} catch (error) {
+			throw new NodeApiError(this.getNode(), {
+				message: 'SCA request failed, check your private key is valid',
+			});
+		}
+	} else {
+		throw new NodeApiError(this.getNode(), {
+			...(response as JsonObject),
+			message: response.statusMessage,
+		});
+	}
+}
+
+export function getTriggerName(eventName: string) {
+	const events: IDataObject = {
+		tranferStateChange: 'transfers#state-change',
+		transferActiveCases: 'transfers#active-cases',
+		balanceCredit: 'balances#credit',
+		balanceUpdate: 'balances#update',
+	};
+	return events[eventName];
+}
+
+export type BorderlessAccount = {
+	id: number;
+	balances: Array<{ currency: string }>;
+};
+
+export type ExchangeRateAdditionalFields = {
+	interval: 'day' | 'hour' | 'minute';
+	range: {
+		rangeProperties: { from: string; to: string };
+	};
+	time: string;
+};
+
+export type Profile = {
+	id: number;
+	type: 'business' | 'personal';
+};
+
+export type Recipient = {
+	active: boolean;
+	id: number;
+	accountHolderName: string;
+	country: string | null;
+	currency: string;
+	type: string;
+};
+
+export type StatementAdditionalFields = {
+	lineStyle: 'COMPACT' | 'FLAT';
+	range: {
+		rangeProperties: { intervalStart: string; intervalEnd: string };
+	};
+};
+
+export type TransferFilters = {
+	[key: string]: string | IDataObject;
+	range: {
+		rangeProperties: { createdDateStart: string; createdDateEnd: string };
+	};
+	sourceCurrency: string;
+	status: string;
+	targetCurrency: string;
+};
+
+export const livePublicKey = `
+-----BEGIN PUBLIC KEY-----
+MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvO8vXV+JksBzZAY6GhSO
+XdoTCfhXaaiZ+qAbtaDBiu2AGkGVpmEygFmWP4Li9m5+Ni85BhVvZOodM9epgW3F
+bA5Q1SexvAF1PPjX4JpMstak/QhAgl1qMSqEevL8cmUeTgcMuVWCJmlge9h7B1CS
+D4rtlimGZozG39rUBDg6Qt2K+P4wBfLblL0k4C4YUdLnpGYEDIth+i8XsRpFlogx
+CAFyH9+knYsDbR43UJ9shtc42Ybd40Afihj8KnYKXzchyQ42aC8aZ/h5hyZ28yVy
+Oj3Vos0VdBIs/gAyJ/4yyQFCXYte64I7ssrlbGRaco4nKF3HmaNhxwyKyJafz19e
+HwIDAQAB
+-----END PUBLIC KEY-----`;
+
+export const testPublicKey = `
+-----BEGIN PUBLIC KEY-----
+MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwpb91cEYuyJNQepZAVfP
+ZIlPZfNUefH+n6w9SW3fykqKu938cR7WadQv87oF2VuT+fDt7kqeRziTmPSUhqPU
+ys/V2Q1rlfJuXbE+Gga37t7zwd0egQ+KyOEHQOpcTwKmtZ81ieGHynAQzsn1We3j
+wt760MsCPJ7GMT141ByQM+yW1Bx+4SG3IGjXWyqOWrcXsxAvIXkpUD/jK/L958Cg
+nZEgz0BSEh0QxYLITnW1lLokSx/dTianWPFEhMC9BgijempgNXHNfcVirg1lPSyg
+z7KqoKUN0oHqWLr2U1A+7kqrl6O2nx3CKs1bj1hToT1+p4kcMoHXA7kA+VBLUpEs
+VwIDAQAB
+-----END PUBLIC KEY-----`;