mirror of
https://github.com/n8n-io/n8n.git
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366 lines
8.8 KiB
TypeScript
366 lines
8.8 KiB
TypeScript
import { Request, sign } from 'aws4';
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import { ICredentialTestRequest, IHttpRequestMethods } from 'n8n-workflow';
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import {
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ICredentialDataDecryptedObject,
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ICredentialType,
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IDataObject,
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IHttpRequestOptions,
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INodeProperties,
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} from 'n8n-workflow';
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export const regions = [
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{
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name: 'af-south-1',
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displayName: 'Africa',
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location: 'Cape Town',
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},
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{
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name: 'ap-east-1',
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displayName: 'Asia Pacific',
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location: 'Hong Kong',
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},
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{
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name: 'ap-south-1',
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displayName: 'Asia Pacific',
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location: 'Mumbai',
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},
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{
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name: 'ap-southeast-1',
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displayName: 'Asia Pacific',
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location: 'Singapore',
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},
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{
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name: 'ap-southeast-2',
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displayName: 'Asia Pacific',
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location: 'Sydney',
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},
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{
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name: 'ap-southeast-3',
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displayName: 'Asia Pacific',
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location: 'Jakarta',
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},
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{
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name: 'ap-northeast-1',
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displayName: 'Asia Pacific',
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location: 'Tokyo',
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},
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{
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name: 'ap-northeast-2',
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displayName: 'Asia Pacific',
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location: 'Seoul',
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},
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{
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name: 'ap-northeast-3',
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displayName: 'Asia Pacific',
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location: 'Osaka',
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},
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{
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name: 'ca-central-1',
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displayName: 'Canada',
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location: 'Central',
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},
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{
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name: 'eu-central-1',
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displayName: 'Europe',
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location: 'Frankfurt',
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},
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{
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name: 'eu-north-1',
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displayName: 'Europe',
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location: 'Stockholm',
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},
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{
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name: 'eu-south-1',
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displayName: 'Europe',
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location: 'Milan',
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},
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{
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name: 'eu-west-1',
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displayName: 'Europe',
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location: 'Ireland',
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},
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{
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name: 'eu-west-2',
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displayName: 'Europe',
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location: 'London',
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},
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{
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name: 'eu-west-3',
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displayName: 'Europe',
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location: 'Paris',
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},
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{
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name: 'me-south-1',
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displayName: 'Middle East',
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location: 'Bahrain',
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},
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{
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name: 'sa-east-1',
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displayName: 'South America',
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location: 'São Paulo',
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},
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{
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name: 'us-east-1',
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displayName: 'US East',
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location: 'N. Virginia',
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},
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{
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name: 'us-east-2',
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displayName: 'US East',
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location: 'Ohio',
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},
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{
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name: 'us-west-1',
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displayName: 'US West',
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location: 'N. California',
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},
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{
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name: 'us-west-2',
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displayName: 'US West',
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location: 'Oregon',
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},
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] as const;
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export type AWSRegion = typeof regions[number]['name'];
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export class Aws implements ICredentialType {
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name = 'aws';
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displayName = 'AWS';
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documentationUrl = 'aws';
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icon = 'file:AWS.svg';
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properties: INodeProperties[] = [
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{
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displayName: 'Region',
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name: 'region',
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type: 'options',
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options: regions.map((r) => ({
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name: `${r.displayName} (${r.location}) - ${r.name}`,
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value: r.name,
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})),
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default: 'us-east-1',
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},
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{
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displayName: 'Access Key ID',
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name: 'accessKeyId',
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type: 'string',
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default: '',
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},
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{
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displayName: 'Secret Access Key',
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name: 'secretAccessKey',
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type: 'string',
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default: '',
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typeOptions: {
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password: true,
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},
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},
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{
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displayName: 'Temporary Security Credentials',
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name: 'temporaryCredentials',
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// eslint-disable-next-line n8n-nodes-base/node-param-description-boolean-without-whether
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description: 'Support for temporary credentials from AWS STS',
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type: 'boolean',
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default: false,
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},
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{
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displayName: 'Session Token',
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name: 'sessionToken',
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type: 'string',
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displayOptions: {
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show: {
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temporaryCredentials: [true],
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},
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},
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default: '',
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typeOptions: {
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password: true,
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},
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},
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{
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displayName: 'Custom Endpoints',
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name: 'customEndpoints',
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type: 'boolean',
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default: false,
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},
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{
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displayName: 'Rekognition Endpoint',
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name: 'rekognitionEndpoint',
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description:
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'If you use Amazon VPC to host n8n, you can establish a connection between your VPC and Rekognition using a VPC endpoint. Leave blank to use the default endpoint.',
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type: 'string',
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displayOptions: {
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show: {
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customEndpoints: [true],
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},
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},
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default: '',
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placeholder: 'https://rekognition.{region}.amazonaws.com',
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},
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{
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displayName: 'Lambda Endpoint',
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name: 'lambdaEndpoint',
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description:
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'If you use Amazon VPC to host n8n, you can establish a connection between your VPC and Lambda using a VPC endpoint. Leave blank to use the default endpoint.',
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type: 'string',
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displayOptions: {
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show: {
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customEndpoints: [true],
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},
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},
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default: '',
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placeholder: 'https://lambda.{region}.amazonaws.com',
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},
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{
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displayName: 'SNS Endpoint',
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name: 'snsEndpoint',
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description:
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'If you use Amazon VPC to host n8n, you can establish a connection between your VPC and SNS using a VPC endpoint. Leave blank to use the default endpoint.',
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type: 'string',
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displayOptions: {
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show: {
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customEndpoints: [true],
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},
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},
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default: '',
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placeholder: 'https://sns.{region}.amazonaws.com',
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},
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{
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displayName: 'SES Endpoint',
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name: 'sesEndpoint',
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description:
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'If you use Amazon VPC to host n8n, you can establish a connection between your VPC and SES using a VPC endpoint. Leave blank to use the default endpoint.',
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type: 'string',
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displayOptions: {
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show: {
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customEndpoints: [true],
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},
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},
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default: '',
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placeholder: 'https://email.{region}.amazonaws.com',
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},
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{
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displayName: 'SQS Endpoint',
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name: 'sqsEndpoint',
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description:
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'If you use Amazon VPC to host n8n, you can establish a connection between your VPC and SQS using a VPC endpoint. Leave blank to use the default endpoint.',
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type: 'string',
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displayOptions: {
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show: {
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customEndpoints: [true],
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},
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},
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default: '',
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placeholder: 'https://sqs.{region}.amazonaws.com',
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},
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{
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displayName: 'S3 Endpoint',
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name: 's3Endpoint',
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description:
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'If you use Amazon VPC to host n8n, you can establish a connection between your VPC and S3 using a VPC endpoint. Leave blank to use the default endpoint.',
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type: 'string',
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displayOptions: {
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show: {
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customEndpoints: [true],
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},
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},
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default: '',
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placeholder: 'https://s3.{region}.amazonaws.com',
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},
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];
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async authenticate(
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credentials: ICredentialDataDecryptedObject,
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requestOptions: IHttpRequestOptions,
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): Promise<IHttpRequestOptions> {
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let endpoint;
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let service = requestOptions.qs?.service as string;
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let path = requestOptions.qs?.path;
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const method = requestOptions.method;
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const body = requestOptions.body;
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let region = credentials.region;
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const query = requestOptions.qs?.query as IDataObject;
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if (!requestOptions.baseURL && !requestOptions.url) {
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if (service === 'lambda' && credentials.lambdaEndpoint) {
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endpoint = credentials.lambdaEndpoint;
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} else if (service === 'sns' && credentials.snsEndpoint) {
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endpoint = credentials.snsEndpoint;
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} else if (service === 'sqs' && credentials.sqsEndpoint) {
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endpoint = credentials.sqsEndpoint;
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} else if (service === 's3' && credentials.s3Endpoint) {
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endpoint = credentials.s3Endpoint;
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} else if (service === 'ses' && credentials.sesEndpoint) {
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endpoint = credentials.sesEndpoint;
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} else if (service === 'rekognition' && credentials.rekognitionEndpoint) {
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endpoint = credentials.rekognitionEndpoint;
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} else if (service === 'sqs' && credentials.sqsEndpoint) {
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endpoint = credentials.sqsEndpoint;
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} else if (service) {
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endpoint = `https://${service}.${credentials.region}.amazonaws.com`;
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}
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endpoint = new URL((endpoint as string).replace('{region}', credentials.region as string));
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} else {
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// If no endpoint is set, we try to decompose the path and use the default endpoint
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const customUrl = new URL(requestOptions.baseURL! + requestOptions.url!);
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service = customUrl.hostname.split('.')[0] as string;
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region = customUrl.hostname.split('.')[1] as string;
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if (service === 'sts') {
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try {
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customUrl.searchParams.set('Action', 'GetCallerIdentity');
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customUrl.searchParams.append('Version', '2011-06-15');
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} catch (err) {
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console.log(err);
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}
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}
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path = customUrl.pathname as string;
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endpoint = customUrl;
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}
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if (service.includes('.s3')) {
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path = `${endpoint.pathname}?${queryToString(query).replace(/\+/g, '%2B')}`;
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}
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const signOpts = {
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headers: requestOptions.headers,
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host: endpoint.host,
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method,
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path,
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body,
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region,
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} as Request;
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const securityHeaders = {
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accessKeyId: `${credentials.accessKeyId}`.trim(),
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secretAccessKey: `${credentials.secretAccessKey}`.trim(),
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sessionToken: credentials.temporaryCredentials
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? `${credentials.sessionToken}`.trim()
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: undefined,
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};
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try {
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sign(signOpts, securityHeaders);
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} catch (err) {
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console.log(err);
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}
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const options: IHttpRequestOptions = {
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headers: signOpts.headers,
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method,
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url: endpoint.origin + path,
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body: signOpts.body,
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};
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return options;
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}
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test: ICredentialTestRequest = {
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request: {
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baseURL: '=https://sts.{{$credentials.region}}.amazonaws.com',
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url: '?Action=GetCallerIdentity&Version=2011-06-15',
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method: 'POST',
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},
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};
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}
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function queryToString(params: IDataObject) {
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return Object.keys(params)
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.map((key) => key + '=' + params[key])
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.join('&');
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}
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