✨ Add AWS transcribe node (#1826)

* Aws Transcribe node * ⚡ Improvements to #1801 * ⚡ Small fix * ✏️ Edit node param descriptions * ⚡ Set missing defaults * ⚡ Fix duplicate description * ⚡ Set integer limit values * ⚡ Improvements * ⚡ Fix name Co-authored-by: Alexander Mustafin <sashker@users.noreply.github.com> Co-authored-by: Iván Ovejero <ivov.src@gmail.com> Co-authored-by: Jan Oberhauser <jan.oberhauser@gmail.com>
2025-12-17 10:02:05 +00:00 · 2021-05-29 16:34:24 -04:00
parent 349a90e0c2
commit ca0793574a
5 changed files with 673 additions and 0 deletions
--- a/packages/nodes-base/nodes/Aws/Transcribe/GenericFunctions.ts
+++ b/packages/nodes-base/nodes/Aws/Transcribe/GenericFunctions.ts
@@ -0,0 +1,107 @@
+import {
+	URL,
+} from 'url';
+
+import {
+	sign,
+} from 'aws4';
+
+import {
+	OptionsWithUri,
+} from 'request';
+
+import {
+	IExecuteFunctions,
+	IHookFunctions,
+	ILoadOptionsFunctions,
+	IWebhookFunctions,
+} from 'n8n-core';
+
+import {
+	ICredentialDataDecryptedObject,
+	IDataObject,
+	NodeApiError,
+	NodeOperationError,
+} from 'n8n-workflow';
+
+import {
+	get,
+} from 'lodash';
+
+function getEndpointForService(service: string, credentials: ICredentialDataDecryptedObject): string {
+	let endpoint;
+	if (service === 'lambda' && credentials.lambdaEndpoint) {
+		endpoint = credentials.lambdaEndpoint;
+	} else if (service === 'sns' && credentials.snsEndpoint) {
+		endpoint = credentials.snsEndpoint;
+	} else {
+		endpoint = `https://${service}.${credentials.region}.amazonaws.com`;
+	}
+	return (endpoint as string).replace('{region}', credentials.region as string);
+}
+
+export async function awsApiRequest(this: IHookFunctions | IExecuteFunctions | ILoadOptionsFunctions | IWebhookFunctions, service: string, method: string, path: string, body?: string, headers?: object): Promise<any> { // tslint:disable-line:no-any
+	const credentials = this.getCredentials('aws');
+	if (credentials === undefined) {
+		throw new NodeOperationError(this.getNode(), 'No credentials got returned!');
+	}
+
+	// Concatenate path and instantiate URL object so it parses correctly query strings
+	const endpoint = new URL(getEndpointForService(service, credentials) + path);
+
+	// Sign AWS API request with the user credentials
+	const signOpts = { headers: headers || {}, host: endpoint.host, method, path, body };
+	sign(signOpts, { accessKeyId: `${credentials.accessKeyId}`.trim(), secretAccessKey: `${credentials.secretAccessKey}`.trim() });
+
+
+	const options: OptionsWithUri = {
+		headers: signOpts.headers,
+		method,
+		uri: endpoint.href,
+		body: signOpts.body,
+	};
+
+	try {
+		return await this.helpers.request!(options);
+	} catch (error) {
+		throw new NodeApiError(this.getNode(), error); // no XML parsing needed
+	}
+}
+
+export async function awsApiRequestREST(this: IHookFunctions | IExecuteFunctions | ILoadOptionsFunctions, service: string, method: string, path: string, body?: string, headers?: object): Promise<any> { // tslint:disable-line:no-any
+	const response = await awsApiRequest.call(this, service, method, path, body, headers);
+	try {
+		return JSON.parse(response);
+	} catch (error) {
+		return response;
+	}
+}
+
+export async function awsApiRequestRESTAllItems(this: IHookFunctions | IExecuteFunctions | ILoadOptionsFunctions, propertyName: string, service: string, method: string, path: string, body?: string, query: IDataObject = {}, headers: IDataObject = {}, option: IDataObject = {}, region?: string): Promise<any> { // tslint:disable-line:no-any
+
+	const returnData: IDataObject[] = [];
+
+	let responseData;
+
+	const propertyNameArray = propertyName.split('.');
+
+	do {
+		responseData = await awsApiRequestREST.call(this, service, method, path, body, query);
+
+		if (get(responseData, `${propertyNameArray[0]}.${propertyNameArray[1]}.NextToken`)) {
+			query['NextToken'] = get(responseData, `${propertyNameArray[0]}.${propertyNameArray[1]}.NextToken`);
+		}
+		if (get(responseData, propertyName)) {
+			if (Array.isArray(get(responseData, propertyName))) {
+				returnData.push.apply(returnData, get(responseData, propertyName));
+			} else {
+				returnData.push(get(responseData, propertyName));
+			}
+		}
+	} while (
+		get(responseData, `${propertyNameArray[0]}.${propertyNameArray[1]}.NextToken`) !== undefined
+	);
+
+	return returnData;
+}
+