Files
automatisch/packages/backend/src/apps/http-request/actions/custom-request/index.js

158 lines
3.8 KiB
JavaScript

import defineAction from '../../../../helpers/define-action.js';
function isPossiblyTextBased(contentType) {
if (!contentType) return false;
return (
contentType.startsWith('application/json') ||
contentType.startsWith('text/')
);
}
function throwIfFileSizeExceedsLimit(contentLength) {
const maxFileSize = 25 * 1024 * 1024; // 25MB
if (Number(contentLength) > maxFileSize) {
throw new Error(
`Response is too large. Maximum size is 25MB. Actual size is ${contentLength}`
);
}
}
export default defineAction({
name: 'Custom request',
key: 'customRequest',
description: 'Makes a custom HTTP request by providing raw details.',
arguments: [
{
label: 'Method',
key: 'method',
type: 'dropdown',
required: true,
description: `The HTTP method we'll use to perform the request.`,
value: 'GET',
options: [
{ label: 'DELETE', value: 'DELETE' },
{ label: 'GET', value: 'GET' },
{ label: 'PATCH', value: 'PATCH' },
{ label: 'POST', value: 'POST' },
{ label: 'PUT', value: 'PUT' },
],
},
{
label: 'URL',
key: 'url',
type: 'string',
required: true,
description: 'Any URL with a querystring will be re-encoded properly.',
variables: true,
},
{
label: 'Data',
key: 'data',
type: 'string',
required: false,
description: 'Place raw JSON data here.',
variables: true,
},
{
label: 'Headers',
key: 'headers',
type: 'dynamic',
required: false,
description: 'Add or remove headers as needed',
value: [
{
key: 'Content-Type',
value: 'application/json',
},
],
fields: [
{
label: 'Key',
key: 'key',
type: 'string',
required: true,
description: 'Header key',
variables: true,
},
{
label: 'Value',
key: 'value',
type: 'string',
required: true,
description: 'Header value',
variables: true,
},
],
},
],
async run($) {
const method = $.step.parameters.method;
const data = $.step.parameters.data || null;
const url = $.step.parameters.url;
const headers = $.step.parameters.headers;
const headersObject = headers.reduce((result, entry) => {
const key = entry.key?.toLowerCase();
const value = entry.value;
if (key && value) {
return {
...result,
[entry.key?.toLowerCase()]: entry.value,
};
}
return result;
}, {});
let expectedResponseContentType = headersObject.accept;
// in case HEAD request is not supported by the URL
try {
const metadataResponse = await $.http.head(url, {
headers: headersObject,
});
if (!expectedResponseContentType) {
expectedResponseContentType = metadataResponse.headers['content-type'];
}
throwIfFileSizeExceedsLimit(metadataResponse.headers['content-length']);
// eslint-disable-next-line no-empty
} catch {}
const requestData = {
url,
method,
data,
headers: headersObject,
};
if (!isPossiblyTextBased(expectedResponseContentType)) {
requestData.responseType = 'arraybuffer';
}
const response = await $.http.request(requestData);
throwIfFileSizeExceedsLimit(response.headers['content-length']);
let responseData = response.data;
if (!isPossiblyTextBased(expectedResponseContentType)) {
responseData = Buffer.from(responseData).toString('base64');
}
$.setActionItem({
raw: {
data: responseData,
headers: response.headers,
status: response.status,
statusText: response.statusText
}
});
},
});