mirror of
https://github.com/n8n-io/n8n.git
synced 2024-09-20 23:07:32 -07:00
844 lines
22 KiB
TypeScript
844 lines
22 KiB
TypeScript
import { createWriteStream } from 'fs';
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import { basename, dirname } from 'path';
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import type { Readable } from 'stream';
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import { pipeline } from 'stream/promises';
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import { file as tmpFile } from 'tmp-promise';
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import ftpClient from 'promise-ftp';
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import sftpClient from 'ssh2-sftp-client';
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import { BINARY_ENCODING, NodeApiError } from 'n8n-workflow';
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import type {
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ICredentialDataDecryptedObject,
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ICredentialsDecrypted,
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ICredentialTestFunctions,
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IDataObject,
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IExecuteFunctions,
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INodeCredentialTestResult,
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INodeExecutionData,
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INodeType,
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INodeTypeDescription,
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JsonObject,
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} from 'n8n-workflow';
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import { formatPrivateKey, generatePairedItemData } from '@utils/utilities';
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interface ReturnFtpItem {
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type: string;
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name: string;
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size: number;
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accessTime: Date;
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modifyTime: Date;
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rights: {
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user: string;
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group: string;
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other: string;
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};
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owner: string | number;
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group: string | number;
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target: string;
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sticky?: boolean;
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path: string;
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}
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async function callRecursiveList(
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path: string,
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client: sftpClient | ftpClient,
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normalizeFunction: (
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input: ftpClient.ListingElement & sftpClient.FileInfo,
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path: string,
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recursive?: boolean,
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) => void,
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) {
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const pathArray: string[] = [path];
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let currentPath = path;
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const directoryItems: sftpClient.FileInfo[] = [];
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let index = 0;
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const prepareAndNormalize = (item: sftpClient.FileInfo) => {
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if (pathArray[index].endsWith('/')) {
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currentPath = `${pathArray[index]}${item.name}`;
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} else {
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currentPath = `${pathArray[index]}/${item.name}`;
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}
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// Is directory
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if (item.type === 'd') {
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// ignore . and .. to prevent infinite loop
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if (item.name === '.' || item.name === '..') {
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return;
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}
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pathArray.push(currentPath);
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}
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normalizeFunction(item as ftpClient.ListingElement & sftpClient.FileInfo, currentPath, true);
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directoryItems.push(item);
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};
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do {
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const returnData: sftpClient.FileInfo[] | Array<string | ftpClient.ListingElement> =
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await client.list(pathArray[index]);
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// @ts-ignore
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returnData.map(prepareAndNormalize);
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index++;
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} while (index <= pathArray.length - 1);
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return directoryItems;
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}
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async function recursivelyCreateSftpDirs(sftp: sftpClient, path: string) {
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const dirPath = dirname(path);
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const dirExists = await sftp.exists(dirPath);
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if (!dirExists) {
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await sftp.mkdir(dirPath, true);
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}
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}
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function normalizeSFtpItem(input: sftpClient.FileInfo, path: string, recursive = false) {
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const item = input as unknown as ReturnFtpItem;
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item.accessTime = new Date(input.accessTime);
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item.modifyTime = new Date(input.modifyTime);
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item.path = !recursive ? `${path}${path.endsWith('/') ? '' : '/'}${item.name}` : path;
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}
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function normalizeFtpItem(input: ftpClient.ListingElement, path: string, recursive = false) {
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const item = input as unknown as ReturnFtpItem;
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item.modifyTime = input.date;
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item.path = !recursive ? `${path}${path.endsWith('/') ? '' : '/'}${item.name}` : path;
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//@ts-ignore
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item.date = undefined;
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}
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export class Ftp implements INodeType {
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description: INodeTypeDescription = {
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displayName: 'FTP',
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name: 'ftp',
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icon: 'fa:server',
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group: ['input'],
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version: 1,
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subtitle: '={{$parameter["protocol"] + ": " + $parameter["operation"]}}',
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description: 'Transfer files via FTP or SFTP',
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defaults: {
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name: 'FTP',
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color: '#303050',
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},
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inputs: ['main'],
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outputs: ['main'],
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credentials: [
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{
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// nodelinter-ignore-next-line
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name: 'ftp',
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required: true,
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displayOptions: {
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show: {
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protocol: ['ftp'],
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},
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},
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testedBy: 'ftpConnectionTest',
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},
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{
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// nodelinter-ignore-next-line
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name: 'sftp',
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required: true,
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displayOptions: {
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show: {
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protocol: ['sftp'],
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},
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},
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testedBy: 'sftpConnectionTest',
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},
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],
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properties: [
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{
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displayName: 'Protocol',
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name: 'protocol',
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type: 'options',
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options: [
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{
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name: 'FTP',
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value: 'ftp',
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},
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{
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name: 'SFTP',
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value: 'sftp',
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},
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],
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default: 'ftp',
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description: 'File transfer protocol',
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},
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{
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displayName: 'Operation',
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name: 'operation',
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type: 'options',
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options: [
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{
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name: 'Delete',
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value: 'delete',
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description: 'Delete a file/folder',
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action: 'Delete a file or folder',
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},
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{
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name: 'Download',
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value: 'download',
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description: 'Download a file',
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action: 'Download a file',
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},
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{
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name: 'List',
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value: 'list',
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description: 'List folder content',
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action: 'List folder content',
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},
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{
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name: 'Rename',
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value: 'rename',
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description: 'Rename/move oldPath to newPath',
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action: 'Rename / move a file or folder',
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},
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{
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name: 'Upload',
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value: 'upload',
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description: 'Upload a file',
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action: 'Upload a file',
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},
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],
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default: 'download',
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noDataExpression: true,
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},
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// ----------------------------------
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// delete
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// ----------------------------------
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{
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displayName: 'Path',
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displayOptions: {
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show: {
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operation: ['delete'],
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},
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},
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name: 'path',
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type: 'string',
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default: '',
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description: 'The file path of the file to delete. Has to contain the full path.',
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placeholder: 'e.g. /public/documents/file-to-delete.txt',
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required: true,
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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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displayOptions: {
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show: {
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operation: ['delete'],
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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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displayName: 'Folder',
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name: 'folder',
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type: 'boolean',
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default: false,
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description: 'Whether folders can be deleted',
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},
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{
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displayName: 'Recursive',
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displayOptions: {
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show: {
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folder: [true],
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},
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},
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name: 'recursive',
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type: 'boolean',
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default: false,
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description: 'Whether to remove all files and directories in target directory',
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},
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],
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},
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// ----------------------------------
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// download
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// ----------------------------------
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{
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displayName: 'Path',
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displayOptions: {
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show: {
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operation: ['download'],
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},
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},
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name: 'path',
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type: 'string',
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default: '',
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description: 'The file path of the file to download. Has to contain the full path.',
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placeholder: 'e.g. /public/documents/file-to-download.txt',
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required: true,
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},
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{
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displayName: 'Put Output File in Field',
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displayOptions: {
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show: {
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operation: ['download'],
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},
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},
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name: 'binaryPropertyName',
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type: 'string',
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default: 'data',
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hint: 'The name of the output binary field to put the file in',
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required: true,
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},
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// ----------------------------------
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// rename
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// ----------------------------------
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{
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displayName: 'Old Path',
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displayOptions: {
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show: {
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operation: ['rename'],
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},
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},
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name: 'oldPath',
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type: 'string',
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default: '',
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placeholder: 'e.g. /public/documents/old-file.txt',
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required: true,
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},
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{
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displayName: 'New Path',
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displayOptions: {
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show: {
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operation: ['rename'],
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},
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},
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name: 'newPath',
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type: 'string',
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default: '',
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placeholder: 'e.g. /public/documents/new-file.txt',
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required: true,
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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 Field',
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default: {},
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displayOptions: {
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show: {
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operation: ['rename'],
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},
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},
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options: [
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{
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displayName: 'Create Directories',
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name: 'createDirectories',
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type: 'boolean',
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default: false,
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description:
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'Whether to recursively create destination directory when renaming an existing file or folder',
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},
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],
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},
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// ----------------------------------
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// upload
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// ----------------------------------
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{
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displayName: 'Path',
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displayOptions: {
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show: {
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operation: ['upload'],
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},
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},
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name: 'path',
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type: 'string',
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default: '',
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description: 'The file path of the file to upload. Has to contain the full path.',
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placeholder: 'e.g. /public/documents/file-to-upload.txt',
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required: true,
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},
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{
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displayName: 'Binary File',
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displayOptions: {
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show: {
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operation: ['upload'],
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},
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},
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name: 'binaryData',
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type: 'boolean',
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default: true,
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// eslint-disable-next-line n8n-nodes-base/node-param-description-boolean-without-whether
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description: 'The text content of the file to upload',
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},
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{
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displayName: 'Input Binary Field',
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displayOptions: {
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show: {
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operation: ['upload'],
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binaryData: [true],
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},
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},
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name: 'binaryPropertyName',
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type: 'string',
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default: 'data',
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hint: 'The name of the input binary field containing the file to be written',
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required: true,
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},
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{
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displayName: 'File Content',
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displayOptions: {
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show: {
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operation: ['upload'],
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binaryData: [false],
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},
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},
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name: 'fileContent',
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type: 'string',
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default: '',
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description: 'The text content of the file to upload',
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},
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// ----------------------------------
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// list
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// ----------------------------------
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{
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displayName: 'Path',
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displayOptions: {
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show: {
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operation: ['list'],
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},
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},
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name: 'path',
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type: 'string',
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default: '/',
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placeholder: 'e.g. /public/folder',
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description: 'Path of directory to list contents of',
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required: true,
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},
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{
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displayName: 'Recursive',
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displayOptions: {
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show: {
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operation: ['list'],
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},
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},
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name: 'recursive',
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type: 'boolean',
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default: false,
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description:
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'Whether to return object representing all directories / objects recursively found within SFTP server',
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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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credentialTest: {
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async ftpConnectionTest(
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this: ICredentialTestFunctions,
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credential: ICredentialsDecrypted,
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): Promise<INodeCredentialTestResult> {
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const credentials = credential.data as ICredentialDataDecryptedObject;
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const ftp = new ftpClient();
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try {
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await ftp.connect({
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host: credentials.host as string,
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port: credentials.port as number,
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user: credentials.username as string,
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password: credentials.password as string,
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});
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} catch (error) {
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await ftp.end();
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return {
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status: 'Error',
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message: error.message,
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};
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}
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await ftp.end();
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return {
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status: 'OK',
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message: 'Connection successful!',
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};
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},
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async sftpConnectionTest(
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this: ICredentialTestFunctions,
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credential: ICredentialsDecrypted,
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): Promise<INodeCredentialTestResult> {
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const credentials = credential.data as ICredentialDataDecryptedObject;
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const sftp = new sftpClient();
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try {
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if (credentials.privateKey) {
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await sftp.connect({
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host: credentials.host as string,
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port: credentials.port as number,
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username: credentials.username as string,
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password: (credentials.password as string) || undefined,
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privateKey: formatPrivateKey(credentials.privateKey as string),
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passphrase: credentials.passphrase as string | undefined,
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});
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} else {
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await sftp.connect({
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host: credentials.host as string,
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port: credentials.port as number,
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username: credentials.username as string,
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password: credentials.password as string,
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});
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}
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} catch (error) {
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await sftp.end();
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return {
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status: 'Error',
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message: error.message,
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};
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}
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await sftp.end();
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return {
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status: 'OK',
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message: 'Connection successful!',
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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 items = this.getInputData();
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let returnItems: INodeExecutionData[] = [];
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const operation = this.getNodeParameter('operation', 0);
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|
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let credentials: ICredentialDataDecryptedObject | undefined = undefined;
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const protocol = this.getNodeParameter('protocol', 0) as string;
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|
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if (protocol === 'sftp') {
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credentials = await this.getCredentials('sftp');
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} else {
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credentials = await this.getCredentials('ftp');
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}
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let ftp: ftpClient;
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let sftp: sftpClient;
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try {
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try {
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if (protocol === 'sftp') {
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sftp = new sftpClient();
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if (credentials.privateKey) {
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await sftp.connect({
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host: credentials.host as string,
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port: credentials.port as number,
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|
username: credentials.username as string,
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password: (credentials.password as string) || undefined,
|
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privateKey: formatPrivateKey(credentials.privateKey as string),
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passphrase: credentials.passphrase as string | undefined,
|
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});
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} else {
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await sftp.connect({
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host: credentials.host as string,
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port: credentials.port as number,
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username: credentials.username as string,
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password: credentials.password as string,
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});
|
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}
|
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} else {
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ftp = new ftpClient();
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await ftp.connect({
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host: credentials.host as string,
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port: credentials.port as number,
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user: credentials.username as string,
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password: credentials.password as string,
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});
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}
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|
} catch (error) {
|
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if (this.continueOnFail()) {
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const pairedItem = generatePairedItemData(items.length);
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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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|
|
for (let i = 0; i < items.length; i++) {
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try {
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const newItem: INodeExecutionData = {
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json: items[i].json,
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binary: {},
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pairedItem: items[i].pairedItem,
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};
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|
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if (items[i].binary !== undefined && newItem.binary) {
|
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// Create a shallow copy of the binary data so that the old
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// data references which do not get changed still stay behind
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// but the incoming data does not get changed.
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Object.assign(newItem.binary, items[i].binary);
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}
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|
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items[i] = newItem;
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|
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if (protocol === 'sftp') {
|
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if (operation === 'list') {
|
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const path = this.getNodeParameter('path', i) as string;
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|
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const recursive = this.getNodeParameter('recursive', i) as boolean;
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|
|
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let responseData: sftpClient.FileInfo[];
|
|
if (recursive) {
|
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responseData = await callRecursiveList(path, sftp!, normalizeSFtpItem);
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} else {
|
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responseData = await sftp!.list(path);
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responseData.forEach((item) => normalizeSFtpItem(item, path));
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}
|
|
|
|
const executionData = this.helpers.constructExecutionMetaData(
|
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this.helpers.returnJsonArray(responseData as unknown as IDataObject[]),
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{ itemData: { item: i } },
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);
|
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returnItems = returnItems.concat(executionData);
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}
|
|
|
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if (operation === 'delete') {
|
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const path = this.getNodeParameter('path', i) as string;
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|
const options = this.getNodeParameter('options', i);
|
|
|
|
if (options.folder === true) {
|
|
await sftp!.rmdir(path, !!options.recursive);
|
|
} else {
|
|
await sftp!.delete(path);
|
|
}
|
|
const executionData = this.helpers.constructExecutionMetaData(
|
|
[{ json: { success: true } }],
|
|
{ itemData: { item: i } },
|
|
);
|
|
returnItems = returnItems.concat(executionData);
|
|
}
|
|
|
|
if (operation === 'rename') {
|
|
const oldPath = this.getNodeParameter('oldPath', i) as string;
|
|
const { createDirectories = false } = this.getNodeParameter('options', i) as {
|
|
createDirectories: boolean;
|
|
};
|
|
const newPath = this.getNodeParameter('newPath', i) as string;
|
|
|
|
if (createDirectories) {
|
|
await recursivelyCreateSftpDirs(sftp!, newPath);
|
|
}
|
|
|
|
await sftp!.rename(oldPath, newPath);
|
|
const executionData = this.helpers.constructExecutionMetaData(
|
|
[{ json: { success: true } }],
|
|
{ itemData: { item: i } },
|
|
);
|
|
returnItems = returnItems.concat(executionData);
|
|
}
|
|
|
|
if (operation === 'download') {
|
|
const path = this.getNodeParameter('path', i) as string;
|
|
const binaryFile = await tmpFile({ prefix: 'n8n-sftp-' });
|
|
try {
|
|
await sftp!.get(path, createWriteStream(binaryFile.path));
|
|
|
|
const dataPropertyNameDownload = this.getNodeParameter('binaryPropertyName', i);
|
|
const remoteFilePath = this.getNodeParameter('path', i) as string;
|
|
|
|
items[i].binary![dataPropertyNameDownload] = await this.nodeHelpers.copyBinaryFile(
|
|
binaryFile.path,
|
|
basename(remoteFilePath),
|
|
);
|
|
|
|
const executionData = this.helpers.constructExecutionMetaData(
|
|
this.helpers.returnJsonArray(items[i]),
|
|
{ itemData: { item: i } },
|
|
);
|
|
returnItems = returnItems.concat(executionData);
|
|
} finally {
|
|
await binaryFile.cleanup();
|
|
}
|
|
}
|
|
|
|
if (operation === 'upload') {
|
|
const remotePath = this.getNodeParameter('path', i) as string;
|
|
await recursivelyCreateSftpDirs(sftp!, remotePath);
|
|
|
|
if (this.getNodeParameter('binaryData', i)) {
|
|
const binaryPropertyName = this.getNodeParameter('binaryPropertyName', i);
|
|
const binaryData = this.helpers.assertBinaryData(i, binaryPropertyName);
|
|
|
|
let uploadData: Buffer | Readable;
|
|
if (binaryData.id) {
|
|
uploadData = await this.helpers.getBinaryStream(binaryData.id);
|
|
} else {
|
|
uploadData = Buffer.from(binaryData.data, BINARY_ENCODING);
|
|
}
|
|
await sftp!.put(uploadData, remotePath);
|
|
} else {
|
|
// Is text file
|
|
const buffer = Buffer.from(
|
|
this.getNodeParameter('fileContent', i) as string,
|
|
'utf8',
|
|
);
|
|
await sftp!.put(buffer, remotePath);
|
|
}
|
|
|
|
const executionData = this.helpers.constructExecutionMetaData(
|
|
this.helpers.returnJsonArray(items[i]),
|
|
{ itemData: { item: i } },
|
|
);
|
|
returnItems = returnItems.concat(executionData);
|
|
}
|
|
}
|
|
|
|
if (protocol === 'ftp') {
|
|
if (operation === 'list') {
|
|
const path = this.getNodeParameter('path', i) as string;
|
|
|
|
const recursive = this.getNodeParameter('recursive', i) as boolean;
|
|
|
|
let responseData;
|
|
if (recursive) {
|
|
responseData = await callRecursiveList(path, ftp!, normalizeFtpItem);
|
|
} else {
|
|
responseData = await ftp!.list(path);
|
|
responseData.forEach((item) =>
|
|
normalizeFtpItem(item as ftpClient.ListingElement, path),
|
|
);
|
|
}
|
|
|
|
const executionData = this.helpers.constructExecutionMetaData(
|
|
this.helpers.returnJsonArray(responseData as unknown as IDataObject[]),
|
|
{ itemData: { item: i } },
|
|
);
|
|
returnItems = returnItems.concat(executionData);
|
|
}
|
|
|
|
if (operation === 'delete') {
|
|
const path = this.getNodeParameter('path', i) as string;
|
|
const options = this.getNodeParameter('options', i);
|
|
|
|
if (options.folder === true) {
|
|
await ftp!.rmdir(path, !!options.recursive);
|
|
} else {
|
|
await ftp!.delete(path);
|
|
}
|
|
|
|
const executionData = this.helpers.constructExecutionMetaData(
|
|
[{ json: { success: true } }],
|
|
{ itemData: { item: i } },
|
|
);
|
|
returnItems = returnItems.concat(executionData);
|
|
}
|
|
|
|
if (operation === 'download') {
|
|
const path = this.getNodeParameter('path', i) as string;
|
|
const binaryFile = await tmpFile({ prefix: 'n8n-sftp-' });
|
|
try {
|
|
const stream = await ftp!.get(path);
|
|
await pipeline(stream, createWriteStream(binaryFile.path));
|
|
|
|
const dataPropertyNameDownload = this.getNodeParameter('binaryPropertyName', i);
|
|
const remoteFilePath = this.getNodeParameter('path', i) as string;
|
|
|
|
items[i].binary![dataPropertyNameDownload] = await this.nodeHelpers.copyBinaryFile(
|
|
binaryFile.path,
|
|
basename(remoteFilePath),
|
|
);
|
|
|
|
const executionData = this.helpers.constructExecutionMetaData(
|
|
this.helpers.returnJsonArray(items[i]),
|
|
{ itemData: { item: i } },
|
|
);
|
|
returnItems = returnItems.concat(executionData);
|
|
} finally {
|
|
await binaryFile.cleanup();
|
|
}
|
|
}
|
|
|
|
if (operation === 'rename') {
|
|
const oldPath = this.getNodeParameter('oldPath', i) as string;
|
|
|
|
const newPath = this.getNodeParameter('newPath', i) as string;
|
|
|
|
await ftp!.rename(oldPath, newPath);
|
|
const executionData = this.helpers.constructExecutionMetaData(
|
|
[{ json: { success: true } }],
|
|
{ itemData: { item: i } },
|
|
);
|
|
returnItems = returnItems.concat(executionData);
|
|
}
|
|
|
|
if (operation === 'upload') {
|
|
const remotePath = this.getNodeParameter('path', i) as string;
|
|
const fileName = basename(remotePath);
|
|
const dirPath = remotePath.replace(fileName, '');
|
|
|
|
if (this.getNodeParameter('binaryData', i)) {
|
|
const binaryPropertyName = this.getNodeParameter('binaryPropertyName', i);
|
|
const binaryData = this.helpers.assertBinaryData(i, binaryPropertyName);
|
|
|
|
let uploadData: Buffer | Readable;
|
|
if (binaryData.id) {
|
|
uploadData = await this.helpers.getBinaryStream(binaryData.id);
|
|
} else {
|
|
uploadData = Buffer.from(binaryData.data, BINARY_ENCODING);
|
|
}
|
|
|
|
try {
|
|
await ftp!.put(uploadData, remotePath);
|
|
} catch (error) {
|
|
if (error.code === 553) {
|
|
// Create directory
|
|
await ftp!.mkdir(dirPath, true);
|
|
await ftp!.put(uploadData, remotePath);
|
|
} else {
|
|
throw new NodeApiError(this.getNode(), error as JsonObject);
|
|
}
|
|
}
|
|
} else {
|
|
// Is text file
|
|
const buffer = Buffer.from(
|
|
this.getNodeParameter('fileContent', i) as string,
|
|
'utf8',
|
|
);
|
|
try {
|
|
await ftp!.put(buffer, remotePath);
|
|
} catch (error) {
|
|
if (error.code === 553) {
|
|
// Create directory
|
|
await ftp!.mkdir(dirPath, true);
|
|
await ftp!.put(buffer, remotePath);
|
|
} else {
|
|
throw new NodeApiError(this.getNode(), error as JsonObject);
|
|
}
|
|
}
|
|
}
|
|
const executionData = this.helpers.constructExecutionMetaData(
|
|
this.helpers.returnJsonArray(items[i]),
|
|
{ itemData: { item: i } },
|
|
);
|
|
returnItems = returnItems.concat(executionData);
|
|
}
|
|
}
|
|
} catch (error) {
|
|
if (this.continueOnFail()) {
|
|
returnItems.push({ json: { error: error.message }, pairedItem: { item: i } });
|
|
continue;
|
|
}
|
|
|
|
throw error;
|
|
}
|
|
}
|
|
|
|
if (protocol === 'sftp') {
|
|
await sftp!.end();
|
|
} else {
|
|
await ftp!.end();
|
|
}
|
|
} catch (error) {
|
|
if (protocol === 'sftp') {
|
|
await sftp!.end();
|
|
} else {
|
|
await ftp!.end();
|
|
}
|
|
throw error;
|
|
}
|
|
|
|
return [returnItems];
|
|
}
|
|
}
|