n8n/packages/nodes-base/credentials/Aws.credentials.ts
2024-02-16 15:13:26 +02:00

409 lines
10 KiB
TypeScript

import type { Request } from 'aws4';
import { sign } from 'aws4';
import type {
ICredentialDataDecryptedObject,
ICredentialTestRequest,
ICredentialType,
IDataObject,
IHttpRequestOptions,
INodeProperties,
IRequestOptions,
} from 'n8n-workflow';
import { isObjectEmpty } from 'n8n-workflow';
export const regions = [
{
name: 'af-south-1',
displayName: 'Africa',
location: 'Cape Town',
},
{
name: 'ap-east-1',
displayName: 'Asia Pacific',
location: 'Hong Kong',
},
{
name: 'ap-south-1',
displayName: 'Asia Pacific',
location: 'Mumbai',
},
{
name: 'ap-southeast-1',
displayName: 'Asia Pacific',
location: 'Singapore',
},
{
name: 'ap-southeast-2',
displayName: 'Asia Pacific',
location: 'Sydney',
},
{
name: 'ap-southeast-3',
displayName: 'Asia Pacific',
location: 'Jakarta',
},
{
name: 'ap-northeast-1',
displayName: 'Asia Pacific',
location: 'Tokyo',
},
{
name: 'ap-northeast-2',
displayName: 'Asia Pacific',
location: 'Seoul',
},
{
name: 'ap-northeast-3',
displayName: 'Asia Pacific',
location: 'Osaka',
},
{
name: 'ca-central-1',
displayName: 'Canada',
location: 'Central',
},
{
name: 'eu-central-1',
displayName: 'Europe',
location: 'Frankfurt',
},
{
name: 'eu-north-1',
displayName: 'Europe',
location: 'Stockholm',
},
{
name: 'eu-south-1',
displayName: 'Europe',
location: 'Milan',
},
{
name: 'eu-west-1',
displayName: 'Europe',
location: 'Ireland',
},
{
name: 'eu-west-2',
displayName: 'Europe',
location: 'London',
},
{
name: 'eu-west-3',
displayName: 'Europe',
location: 'Paris',
},
{
name: 'me-south-1',
displayName: 'Middle East',
location: 'Bahrain',
},
{
name: 'sa-east-1',
displayName: 'South America',
location: 'São Paulo',
},
{
name: 'us-east-1',
displayName: 'US East',
location: 'N. Virginia',
},
{
name: 'us-east-2',
displayName: 'US East',
location: 'Ohio',
},
{
name: 'us-west-1',
displayName: 'US West',
location: 'N. California',
},
{
name: 'us-west-2',
displayName: 'US West',
location: 'Oregon',
},
] as const;
export type AWSRegion = (typeof regions)[number]['name'];
export class Aws implements ICredentialType {
name = 'aws';
displayName = 'AWS';
documentationUrl = 'aws';
icon = 'file:icons/AWS.svg';
properties: INodeProperties[] = [
{
displayName: 'Region',
name: 'region',
type: 'options',
options: regions.map((r) => ({
name: `${r.displayName} (${r.location}) - ${r.name}`,
value: r.name,
})),
default: 'us-east-1',
},
{
displayName: 'Access Key ID',
name: 'accessKeyId',
type: 'string',
default: '',
},
{
displayName: 'Secret Access Key',
name: 'secretAccessKey',
type: 'string',
default: '',
typeOptions: {
password: true,
},
},
{
displayName: 'Temporary Security Credentials',
name: 'temporaryCredentials',
description: 'Support for temporary credentials from AWS STS',
type: 'boolean',
default: false,
},
{
displayName: 'Session Token',
name: 'sessionToken',
type: 'string',
displayOptions: {
show: {
temporaryCredentials: [true],
},
},
default: '',
typeOptions: {
password: true,
},
},
{
displayName: 'Custom Endpoints',
name: 'customEndpoints',
type: 'boolean',
default: false,
},
{
displayName: 'Rekognition Endpoint',
name: 'rekognitionEndpoint',
description:
'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.',
type: 'string',
displayOptions: {
show: {
customEndpoints: [true],
},
},
default: '',
placeholder: 'https://rekognition.{region}.amazonaws.com',
},
{
displayName: 'Lambda Endpoint',
name: 'lambdaEndpoint',
description:
'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.',
type: 'string',
displayOptions: {
show: {
customEndpoints: [true],
},
},
default: '',
placeholder: 'https://lambda.{region}.amazonaws.com',
},
{
displayName: 'SNS Endpoint',
name: 'snsEndpoint',
description:
'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.',
type: 'string',
displayOptions: {
show: {
customEndpoints: [true],
},
},
default: '',
placeholder: 'https://sns.{region}.amazonaws.com',
},
{
displayName: 'SES Endpoint',
name: 'sesEndpoint',
description:
'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.',
type: 'string',
displayOptions: {
show: {
customEndpoints: [true],
},
},
default: '',
placeholder: 'https://email.{region}.amazonaws.com',
},
{
displayName: 'SQS Endpoint',
name: 'sqsEndpoint',
description:
'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.',
type: 'string',
displayOptions: {
show: {
customEndpoints: [true],
},
},
default: '',
placeholder: 'https://sqs.{region}.amazonaws.com',
},
{
displayName: 'S3 Endpoint',
name: 's3Endpoint',
description:
'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.',
type: 'string',
displayOptions: {
show: {
customEndpoints: [true],
},
},
default: '',
placeholder: 'https://s3.{region}.amazonaws.com',
},
];
async authenticate(
credentials: ICredentialDataDecryptedObject,
requestOptions: IHttpRequestOptions,
): Promise<IHttpRequestOptions> {
let endpoint: URL;
let service = requestOptions.qs?.service as string;
let path = requestOptions.qs?.path;
const method = requestOptions.method;
let body = requestOptions.body;
let region = credentials.region;
if (requestOptions.qs?._region) {
region = requestOptions.qs._region as string;
delete requestOptions.qs._region;
}
let query = requestOptions.qs?.query as IDataObject;
// ! Workaround as we still use the IRequestOptions interface which uses uri instead of url
// ! To change when we replace the interface with IHttpRequestOptions
const requestWithUri = requestOptions as unknown as IRequestOptions;
if (requestWithUri.uri) {
requestOptions.url = requestWithUri.uri;
endpoint = new URL(requestOptions.url);
if (service === 'sts') {
try {
if (requestWithUri.qs?.Action !== 'GetCallerIdentity') {
query = requestWithUri.qs as IDataObject;
} else {
endpoint.searchParams.set('Action', 'GetCallerIdentity');
endpoint.searchParams.set('Version', '2011-06-15');
}
} catch (err) {
console.log(err);
}
}
service = endpoint.hostname.split('.')[0];
region = endpoint.hostname.split('.')[1];
} else {
if (!requestOptions.baseURL && !requestOptions.url) {
let endpointString: string;
if (service === 'lambda' && credentials.lambdaEndpoint) {
endpointString = credentials.lambdaEndpoint as string;
} else if (service === 'sns' && credentials.snsEndpoint) {
endpointString = credentials.snsEndpoint as string;
} else if (service === 'sqs' && credentials.sqsEndpoint) {
endpointString = credentials.sqsEndpoint as string;
} else if (service === 's3' && credentials.s3Endpoint) {
endpointString = credentials.s3Endpoint as string;
} else if (service === 'ses' && credentials.sesEndpoint) {
endpointString = credentials.sesEndpoint as string;
} else if (service === 'rekognition' && credentials.rekognitionEndpoint) {
endpointString = credentials.rekognitionEndpoint as string;
} else if (service === 'sqs' && credentials.sqsEndpoint) {
endpointString = credentials.sqsEndpoint as string;
} else if (service) {
endpointString = `https://${service}.${region}.amazonaws.com`;
}
endpoint = new URL(
endpointString!.replace('{region}', region as string) + (path as string),
);
} else {
// If no endpoint is set, we try to decompose the path and use the default endpoint
const customUrl = new URL(`${requestOptions.baseURL!}${requestOptions.url}${path ?? ''}`);
service = customUrl.hostname.split('.')[0];
region = customUrl.hostname.split('.')[1];
if (service === 'sts') {
try {
customUrl.searchParams.set('Action', 'GetCallerIdentity');
customUrl.searchParams.set('Version', '2011-06-15');
} catch (err) {
console.log(err);
}
}
endpoint = customUrl;
}
}
if (query && Object.keys(query).length !== 0) {
Object.keys(query).forEach((key) => {
endpoint.searchParams.append(key, query[key] as string);
});
}
if (body && typeof body === 'object' && isObjectEmpty(body)) {
body = '';
}
path = endpoint.pathname + endpoint.search;
const signOpts = {
...requestOptions,
headers: requestOptions.headers ?? {},
host: endpoint.host,
method,
path,
body: body !== '' ? body : undefined,
region,
} as Request;
const securityHeaders = {
accessKeyId: `${credentials.accessKeyId}`.trim(),
secretAccessKey: `${credentials.secretAccessKey}`.trim(),
sessionToken: credentials.temporaryCredentials
? `${credentials.sessionToken}`.trim()
: undefined,
};
try {
sign(signOpts, securityHeaders);
} catch (err) {
console.log(err);
}
const options: IHttpRequestOptions = {
...requestOptions,
headers: signOpts.headers,
method,
url: endpoint.origin + path,
body: signOpts.body,
qs: undefined, // override since it's already in the url
};
return options;
}
test: ICredentialTestRequest = {
request: {
baseURL: '=https://sts.{{$credentials.region}}.amazonaws.com',
url: '?Action=GetCallerIdentity&Version=2011-06-15',
method: 'POST',
},
};
}