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https://github.com/n8n-io/n8n.git
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🔀 Merge branch 'feature/crypto-node' of https://github.com/RicardoE105/n8n into RicardoE105-feature/crypto-node
This commit is contained in:
Jan Oberhauser
commit
81c0382b3d
357
packages/nodes-base/nodes/Crypto.node.ts
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357
packages/nodes-base/nodes/Crypto.node.ts
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@ -0,0 +1,357 @@
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import { IExecuteFunctions } from 'n8n-core';
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import {
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INodeExecutionData,
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INodeType,
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INodeTypeDescription,
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IDataObject,
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ILoadOptionsFunctions,
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INodePropertyOptions,
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} from 'n8n-workflow';
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import {
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createHash,
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createHmac,
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createSign,
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getHashes,
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} from 'crypto';
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export class Crypto implements INodeType {
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description: INodeTypeDescription = {
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displayName: 'Crypto',
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name: 'crypto',
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icon: 'fa:key',
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group: ['transform'],
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version: 1,
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description: 'Provide cryptographic utilities',
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defaults: {
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name: 'Crypto',
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color: '#408000',
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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: 'Action',
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name: 'action',
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type: 'options',
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options: [
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{
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name: 'Hash',
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description: 'Hash a text in a specified format.',
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value: 'hash'
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},
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{
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name: 'Hmac',
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description: 'Hmac a text in a specified format.',
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value: 'hmac'
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},
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{
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name: 'Sign',
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description: 'Sign a string using a private key.',
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value: 'sign'
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},
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],
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default: 'hash',
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},
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{
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displayName: 'Type',
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name: 'type',
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displayOptions: {
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show: {
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action:[
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'hash'
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],
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},
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},
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type: 'options',
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options: [
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{
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name: 'MD5',
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value: 'MD5',
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},
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{
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name: 'SHA256',
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value: 'SHA256',
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},
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{
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name: 'SHA512',
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value: 'SHA512',
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},
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],
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default: 'MD5',
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description: 'The hash type to use',
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required: true,
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},
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{
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displayName: 'Field Name',
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name: 'fieldName',
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displayOptions: {
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show: {
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action:[
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'hash'
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],
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},
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},
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type: 'string',
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default: '',
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required: true,
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},
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{
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displayName: 'Encoding',
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name: 'encoding',
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displayOptions: {
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show: {
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action:[
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'hash'
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],
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},
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},
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type: 'options',
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options: [
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{
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name: 'HEX',
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value: 'hex',
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},
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{
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name: 'BASE64',
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value: 'base64',
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},
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],
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default: 'hex',
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required: true,
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},
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{
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displayName: 'Type',
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name: 'type',
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displayOptions: {
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show: {
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action:[
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'hmac'
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],
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},
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},
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type: 'options',
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options: [
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{
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name: 'MD5',
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value: 'MD5',
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},
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{
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name: 'SHA256',
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value: 'SHA256',
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},
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{
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name: 'SHA512',
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value: 'SHA512',
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},
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],
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default: 'MD5',
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description: 'The hash type to use',
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required: true,
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},
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{
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displayName: 'Field Name',
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name: 'fieldName',
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displayOptions: {
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show: {
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action:[
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'hmac'
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],
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},
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},
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type: 'string',
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default: '',
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required: true,
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},
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{
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displayName: 'Secret',
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name: 'secret',
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displayOptions: {
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show: {
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action:[
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'hmac'
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],
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},
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},
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type: 'string',
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default: '',
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required: true,
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},
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{
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displayName: 'Encoding',
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name: 'encoding',
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displayOptions: {
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show: {
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action:[
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'hmac',
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],
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},
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},
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type: 'options',
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options: [
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{
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name: 'HEX',
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value: 'hex',
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},
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{
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name: 'BASE64',
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value: 'base64',
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},
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],
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default: 'hex',
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required: true,
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},
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{
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displayName: 'Field Name',
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name: 'fieldName',
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displayOptions: {
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show: {
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action:[
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'sign'
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],
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},
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},
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type: 'string',
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default: '',
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required: true,
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},
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{
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displayName: 'Algorithm',
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name: 'algorithm',
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displayOptions: {
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show: {
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action:[
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'sign',
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],
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},
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},
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type: 'options',
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typeOptions: {
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loadOptionsMethod: 'getHashes',
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},
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default: '',
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required: true,
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},
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{
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displayName: 'Encoding',
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name: 'encoding',
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displayOptions: {
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show: {
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action:[
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'sign',
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],
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},
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},
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type: 'options',
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options: [
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{
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name: 'HEX',
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value: 'hex',
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},
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{
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name: 'BASE64',
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value: 'base64',
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},
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],
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default: 'hex',
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required: true,
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},
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{
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displayName: 'Private Key',
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name: 'privateKey',
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displayOptions: {
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show: {
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action:[
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'sign'
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],
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},
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},
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type: 'string',
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typeOptions: {
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alwaysOpenEditWindow: true,
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},
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description: 'Private key to use when signing the string.',
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default: '',
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required: true,
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},
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],
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};
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methods = {
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loadOptions: {
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// Get all the hashes to display them to user so that he can
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// select them easily
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async getHashes(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {
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const returnData: INodePropertyOptions[] = [];
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const hashes = getHashes();
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for (const hash of hashes) {
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const hashName = hash;
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const hashId = hash;
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returnData.push({
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name: hashName,
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value: hashId,
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});
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}
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return returnData;
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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 items = this.getInputData();
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const returnData: IDataObject[] = [];
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const length = items.length as unknown as number;
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let responseData;
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for (let i = 0; i < length; i++) {
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const action = this.getNodeParameter('action', 0) as string;
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if (action === 'hash') {
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const type = this.getNodeParameter('type', i) as string;
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const encoding = this.getNodeParameter('encoding', i) as string;
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const fieldName = this.getNodeParameter('fieldName', i) as string;
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const clone = { ...items[i].json };
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if (clone[fieldName] === undefined) {
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throw new Error(`The field ${fieldName} does not exist on the input data`);
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}
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//@ts-ignore
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clone[fieldName] = createHash(type).update(clone[fieldName] as string).digest(encoding);
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responseData = clone;
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}
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if (action === 'hmac') {
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const type = this.getNodeParameter('type', i) as string;
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const secret = this.getNodeParameter('secret', i) as string;
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const encoding = this.getNodeParameter('encoding', i) as string;
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const fieldName = this.getNodeParameter('fieldName', i) as string;
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const clone = { ...items[i].json };
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if (clone[fieldName] === undefined) {
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throw new Error(`The field ${fieldName} does not exist on the input data`);
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}
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//@ts-ignore
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clone[fieldName] = createHmac(type, secret).update(clone[fieldName] as string).digest(encoding);
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responseData = clone;
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}
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if (action === 'sign') {
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const algorithm = this.getNodeParameter('algorithm', i) as string;
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const fieldName = this.getNodeParameter('fieldName', i) as string;
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const encoding = this.getNodeParameter('encoding', i) as string;
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const privateKey = this.getNodeParameter('privateKey', i) as IDataObject;
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const clone = { ...items[i].json };
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if (clone[fieldName] === undefined) {
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throw new Error(`The field ${fieldName} does not exist on the input data`);
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}
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const sign = createSign(algorithm)
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sign.write(clone[fieldName] as string);
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sign.end();
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//@ts-ignore
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const signature = sign.sign(privateKey, encoding);
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clone[fieldName] = signature;
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responseData = clone;
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}
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if (Array.isArray(responseData)) {
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returnData.push.apply(returnData, responseData as IDataObject[]);
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} else {
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returnData.push(responseData as IDataObject);
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}
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}
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return [this.helpers.returnJsonArray(returnData)];
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}
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}
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@ -117,6 +117,7 @@
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"dist/nodes/Coda/Coda.node.js",
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"dist/nodes/Copper/CopperTrigger.node.js",
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"dist/nodes/Cron.node.js",
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"dist/nodes/Crypto.node.js",
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"dist/nodes/Discord/Discord.node.js",
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"dist/nodes/Disqus/Disqus.node.js",
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"dist/nodes/Dropbox/Dropbox.node.js",
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