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62c096710f
- Fix autofixable violations - Remove unused directives - Allow for PascalCased variables - needed for dynamically imported or assigned classes, decorators, routers, etc.
124 lines
2.7 KiB
TypeScript
124 lines
2.7 KiB
TypeScript
import { URL } from 'url';
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import type {
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IExecuteFunctions,
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IDataObject,
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INodeExecutionData,
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INodeType,
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INodeTypeDescription,
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} from 'n8n-workflow';
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import { NodeOperationError } from 'n8n-workflow';
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import Parser from 'rss-parser';
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import { generatePairedItemData } from '../../utils/utilities';
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// Utility function
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function validateURL(url: string) {
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try {
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new URL(url);
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return true;
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} catch (err) {
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return false;
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}
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}
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export class RssFeedRead implements INodeType {
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description: INodeTypeDescription = {
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displayName: 'RSS Read',
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name: 'rssFeedRead',
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icon: 'fa:rss',
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group: ['input'],
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version: 1,
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description: 'Reads data from an RSS Feed',
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defaults: {
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name: 'RSS Read',
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color: '#b02020',
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},
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inputs: ['main'],
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outputs: ['main'],
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properties: [
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{
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displayName: 'URL',
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name: 'url',
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type: 'string',
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default: '',
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required: true,
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description: 'URL of the RSS feed',
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},
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{
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displayName: 'Options',
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name: 'options',
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type: 'collection',
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placeholder: 'Add Option',
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default: {},
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options: [
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{
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displayName: 'Ignore SSL Issues',
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name: 'ignoreSSL',
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type: 'boolean',
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default: false,
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description: 'Whether to ignore SSL/TLS certificate issues or not',
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},
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],
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},
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],
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};
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async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
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const pairedItem = generatePairedItemData(this.getInputData().length);
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try {
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const url = this.getNodeParameter('url', 0) as string;
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const options = this.getNodeParameter('options', 0);
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const ignoreSSL = Boolean(options.ignoreSSL);
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if (!url) {
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throw new NodeOperationError(this.getNode(), 'The parameter "URL" has to be set!');
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}
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if (!validateURL(url)) {
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throw new NodeOperationError(this.getNode(), 'The provided "URL" is not valid!');
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}
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const parser = new Parser({
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requestOptions: {
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rejectUnauthorized: !ignoreSSL,
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},
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});
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let feed: Parser.Output<IDataObject>;
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try {
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feed = await parser.parseURL(url);
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} catch (error) {
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if (error.code === 'ECONNREFUSED') {
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throw new NodeOperationError(
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this.getNode(),
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`It was not possible to connect to the URL. Please make sure the URL "${url}" it is valid!`,
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);
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}
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throw new NodeOperationError(this.getNode(), error as Error);
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}
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const returnData: INodeExecutionData[] = [];
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// For now we just take the items and ignore everything else
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if (feed.items) {
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feed.items.forEach((item) => {
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returnData.push({
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json: item,
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pairedItem,
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});
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});
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}
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return [returnData];
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} catch (error) {
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if (this.continueOnFail()) {
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return [[{ json: { error: error.message }, pairedItem }]];
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}
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throw error;
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}
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}
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}
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