mirror of
https://github.com/n8n-io/n8n.git
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fix(HTML Node): Escape data path value in JSON Property (#8441)
This commit is contained in:
Michael Kret
GitHub
parent
7c49004018
commit
fc5c562785
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@ -5,12 +5,15 @@ import type {
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INodeType,
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INodeTypeDescription,
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IDataObject,
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INodeProperties,
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} from 'n8n-workflow';
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import { NodeOperationError } from 'n8n-workflow';
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import { placeholder } from './placeholder';
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import { getValue } from './utils';
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import type { IValueData } from './types';
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import { getResolvables } from '@utils/utilities';
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import { getResolvables, sanitazeDataPathKey } from '@utils/utilities';
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import get from 'lodash/get';
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export const capitalizeHeader = (header: string, capitalize?: boolean) => {
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if (!capitalize) return header;
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@ -21,13 +24,97 @@ export const capitalizeHeader = (header: string, capitalize?: boolean) => {
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.join(' ');
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};
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const extractionValuesCollection: INodeProperties = {
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displayName: 'Extraction Values',
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name: 'extractionValues',
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placeholder: 'Add Value',
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type: 'fixedCollection',
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typeOptions: {
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multipleValues: true,
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},
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default: {},
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options: [
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{
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name: 'values',
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displayName: 'Values',
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values: [
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{
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displayName: 'Key',
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name: 'key',
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type: 'string',
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default: '',
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description: 'The key under which the extracted value should be saved',
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},
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{
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displayName: 'CSS Selector',
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name: 'cssSelector',
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type: 'string',
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default: '',
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placeholder: '.price',
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description: 'The CSS selector to use',
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},
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{
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displayName: 'Return Value',
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name: 'returnValue',
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type: 'options',
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options: [
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{
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name: 'Attribute',
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value: 'attribute',
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description: 'Get an attribute value like "class" from an element',
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},
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{
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name: 'HTML',
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value: 'html',
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description: 'Get the HTML the element contains',
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},
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{
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name: 'Text',
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value: 'text',
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description: 'Get only the text content of the element',
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},
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{
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name: 'Value',
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value: 'value',
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description: 'Get value of an input, select or textarea',
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},
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],
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default: 'text',
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description: 'What kind of data should be returned',
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},
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{
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displayName: 'Attribute',
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name: 'attribute',
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type: 'string',
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displayOptions: {
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show: {
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returnValue: ['attribute'],
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},
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},
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default: '',
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placeholder: 'class',
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description: 'The name of the attribute to return the value off',
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},
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{
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displayName: 'Return Array',
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name: 'returnArray',
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type: 'boolean',
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default: false,
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description:
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'Whether to return the values as an array so if multiple ones get found they also get returned separately. If not set all will be returned as a single string.',
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},
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],
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},
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],
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};
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export class Html implements INodeType {
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description: INodeTypeDescription = {
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displayName: 'HTML',
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name: 'html',
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icon: 'file:html.svg',
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group: ['transform'],
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version: 1,
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version: [1, 1.1],
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subtitle: '={{ $parameter["operation"] }}',
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description: 'Work with HTML',
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defaults: {
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@ -143,94 +230,33 @@ export class Html implements INodeType {
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'Name of the JSON property in which the HTML to extract the data from can be found. The property can either contain a string or an array of strings.',
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},
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{
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displayName: 'Extraction Values',
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name: 'extractionValues',
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placeholder: 'Add Value',
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type: 'fixedCollection',
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typeOptions: {
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multipleValues: true,
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...extractionValuesCollection,
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displayOptions: {
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show: {
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operation: ['extractHtmlContent'],
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'@version': [1],
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},
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},
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},
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{
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...extractionValuesCollection,
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default: {
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values: [
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{
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key: '',
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cssSelector: '',
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returnValue: 'text',
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returnArray: false,
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},
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],
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},
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displayOptions: {
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show: {
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operation: ['extractHtmlContent'],
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'@version': [{ _cnd: { gt: 1 } }],
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},
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},
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default: {},
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options: [
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{
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name: 'values',
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displayName: 'Values',
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values: [
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{
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displayName: 'Key',
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name: 'key',
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type: 'string',
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default: '',
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description: 'The key under which the extracted value should be saved',
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},
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{
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displayName: 'CSS Selector',
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name: 'cssSelector',
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type: 'string',
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default: '',
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placeholder: '.price',
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description: 'The CSS selector to use',
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},
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{
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displayName: 'Return Value',
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name: 'returnValue',
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type: 'options',
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options: [
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{
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name: 'Attribute',
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value: 'attribute',
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description: 'Get an attribute value like "class" from an element',
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},
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{
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name: 'HTML',
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value: 'html',
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description: 'Get the HTML the element contains',
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},
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{
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name: 'Text',
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value: 'text',
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description: 'Get only the text content of the element',
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},
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{
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name: 'Value',
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value: 'value',
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description: 'Get value of an input, select or textarea',
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},
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],
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default: 'text',
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description: 'What kind of data should be returned',
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},
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{
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displayName: 'Attribute',
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name: 'attribute',
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type: 'string',
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displayOptions: {
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show: {
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returnValue: ['attribute'],
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},
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},
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default: '',
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placeholder: 'class',
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description: 'The name of the attribute to return the value off',
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},
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{
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displayName: 'Return Array',
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name: 'returnArray',
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type: 'boolean',
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default: false,
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description:
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'Whether to return the values as an array so if multiple ones get found they also get returned separately. If not set all will be returned as a single string.',
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},
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],
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},
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],
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},
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{
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displayName: 'Options',
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name: 'options',
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@ -329,6 +355,7 @@ export class Html implements INodeType {
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async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
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const items = this.getInputData();
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const operation = this.getNodeParameter('operation', 0);
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const nodeVersion = this.getNode().typeVersion;
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if (operation === 'convertToHtmlTable' && items.length) {
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let table = '';
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@ -467,14 +494,27 @@ export class Html implements INodeType {
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let htmlArray: string[] | string = [];
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if (sourceData === 'json') {
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if (item.json[dataPropertyName] === undefined) {
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throw new NodeOperationError(
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this.getNode(),
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`No property named "${dataPropertyName}" exists!`,
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{ itemIndex },
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);
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if (nodeVersion === 1) {
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const key = sanitazeDataPathKey(item.json, dataPropertyName);
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if (item.json[key] === undefined) {
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throw new NodeOperationError(
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this.getNode(),
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`No property named "${dataPropertyName}" exists!`,
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{ itemIndex },
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);
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}
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htmlArray = item.json[key] as string;
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} else {
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const value = get(item.json, dataPropertyName);
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if (value === undefined) {
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throw new NodeOperationError(
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this.getNode(),
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`No property named "${dataPropertyName}" exists!`,
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{ itemIndex },
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);
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}
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htmlArray = value as string;
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}
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htmlArray = item.json[dataPropertyName] as string;
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} else {
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this.helpers.assertBinaryData(itemIndex, dataPropertyName);
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const binaryDataBuffer = await this.helpers.getBinaryDataBuffer(
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@ -489,7 +529,7 @@ export class Html implements INodeType {
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htmlArray = [htmlArray];
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}
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for (const html of htmlArray as string[]) {
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for (const html of htmlArray) {
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const $ = cheerio.load(html);
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const newItem: INodeExecutionData = {
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@ -17,7 +17,7 @@ import set from 'lodash/set';
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import get from 'lodash/get';
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import unset from 'lodash/unset';
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import { getResolvables } from '../../../../utils/utilities';
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import { getResolvables, sanitazeDataPathKey } from '../../../../utils/utilities';
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import type { SetNodeOptions, SetField } from './interfaces';
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import { INCLUDE } from './interfaces';
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@ -35,28 +35,15 @@ const configureFieldHelper = (dotNotation?: boolean) => {
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},
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};
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} else {
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const sanitazeKey = (item: IDataObject, key: string) => {
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if (item[key] !== undefined) {
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return key;
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}
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if (key.startsWith("['") && key.endsWith("']")) {
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key = key.slice(2, -2);
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if (item[key] !== undefined) {
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return key;
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}
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}
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return key;
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};
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return {
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set: (item: IDataObject, key: string, value: IDataObject) => {
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item[sanitazeKey(item, key)] = value;
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item[sanitazeDataPathKey(item, key)] = value;
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},
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get: (item: IDataObject, key: string) => {
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return item[sanitazeKey(item, key)];
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return item[sanitazeDataPathKey(item, key)];
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},
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unset: (item: IDataObject, key: string) => {
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delete item[sanitazeKey(item, key)];
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delete item[sanitazeDataPathKey(item, key)];
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},
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};
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}
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@ -326,3 +326,20 @@ export function preparePairedItemDataArray(
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if (Array.isArray(pairedItem)) return pairedItem;
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return [pairedItem];
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}
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export const sanitazeDataPathKey = (item: IDataObject, key: string) => {
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if (item[key] !== undefined) {
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return key;
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}
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if (
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(key.startsWith("['") && key.endsWith("']")) ||
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(key.startsWith('["') && key.endsWith('"]'))
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) {
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key = key.slice(2, -2);
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if (item[key] !== undefined) {
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return key;
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}
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}
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return key;
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};
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