n8n/packages/nodes-base/nodes/Misp/GenericFunctions.ts

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import { URL } from 'url';
import type {
IExecuteFunctions,
IDataObject,
ILoadOptionsFunctions,
JsonObject,
} from 'n8n-workflow';
import { NodeApiError, NodeOperationError } from 'n8n-workflow';
import type { OptionsWithUri } from 'request';
import type { MispCredentials } from './types';
export async function mispApiRequest(
this: IExecuteFunctions | ILoadOptionsFunctions,
method: string,
endpoint: string,
body: IDataObject = {},
qs: IDataObject = {},
) {
const { baseUrl, allowUnauthorizedCerts } = (await this.getCredentials(
'mispApi',
)) as MispCredentials;
const options: OptionsWithUri = {
method,
body,
qs,
uri: `${baseUrl}${endpoint}`,
json: true,
rejectUnauthorized: !allowUnauthorizedCerts,
};
if (!Object.keys(body).length) {
delete options.body;
}
if (!Object.keys(qs).length) {
delete options.qs;
}
try {
return await this.helpers.requestWithAuthentication.call(this, 'mispApi', options);
} catch (error) {
// MISP API wrongly returns 403 for malformed requests
if (error.statusCode === 403) {
error.statusCode = 400;
}
const errors = error?.error?.errors;
if (errors) {
const key = Object.keys(errors as IDataObject)[0];
if (key !== undefined) {
let message = errors[key].join();
if (message.includes(' nter')) {
message = message.replace(' nter', ' enter');
}
error.error.message = `${error.error.message}: ${message}`;
}
}
throw new NodeApiError(this.getNode(), error as JsonObject);
}
}
export async function mispApiRequestAllItems(this: IExecuteFunctions, endpoint: string) {
const responseData = await mispApiRequest.call(this, 'GET', endpoint);
const returnAll = this.getNodeParameter('returnAll', 0);
if (!returnAll) {
const limit = this.getNodeParameter('limit', 0);
return responseData.slice(0, limit);
}
return responseData;
}
export function throwOnEmptyUpdate(
this: IExecuteFunctions,
resource: string,
updateFields: IDataObject,
) {
if (!Object.keys(updateFields).length) {
throw new NodeOperationError(
this.getNode(),
`Please enter at least one field to update for the ${resource}.`,
);
}
}
const SHARING_GROUP_OPTION_ID = 4;
export function throwOnMissingSharingGroup(this: IExecuteFunctions, fields: IDataObject) {
if (fields.distribution === SHARING_GROUP_OPTION_ID && !fields.sharing_group_id) {
throw new NodeOperationError(this.getNode(), 'Please specify a sharing group');
}
}
const isValidUrl = (str: string) => {
try {
new URL(str);
return true;
} catch (error) {
return false;
}
};
export function throwOnInvalidUrl(this: IExecuteFunctions, str: string) {
if (!isValidUrl(str)) {
throw new NodeOperationError(
this.getNode(),
'Please specify a valid URL, protocol included. Example: https://site.com',
);
}
}