mirror of
https://github.com/n8n-io/n8n.git
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670 lines
15 KiB
TypeScript
670 lines
15 KiB
TypeScript
import {
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BINARY_ENCODING,
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IExecuteFunctions,
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} from 'n8n-core';
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import {
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IDataObject,
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INodeTypeDescription,
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INodeExecutionData,
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INodeType,
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} from 'n8n-workflow';
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import { parseString } from 'xml2js';
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import { OptionsWithUri } from 'request';
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export class NextCloud implements INodeType {
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description: INodeTypeDescription = {
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displayName: 'NextCloud',
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name: 'nextCloud',
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icon: 'file:nextcloud.png',
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group: ['input'],
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version: 1,
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subtitle: '={{$parameter["operation"] + ": " + $parameter["resource"]}}',
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description: 'Access data on NextCloud',
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defaults: {
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name: 'NextCloud',
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color: '#22BB44',
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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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name: 'nextCloudApi',
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required: true,
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}
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],
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properties: [
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{
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displayName: 'Resource',
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name: 'resource',
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type: 'options',
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options: [
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{
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name: 'File',
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value: 'file',
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},
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{
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name: 'Folder',
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value: 'folder',
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},
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],
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default: 'file',
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description: 'The resource to operate on.',
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},
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// ----------------------------------
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// operations
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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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displayOptions: {
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show: {
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resource: [
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'file',
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],
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},
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},
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options: [
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{
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name: 'Copy',
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value: 'copy',
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description: 'Copy a file',
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},
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{
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name: 'Delete',
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value: 'delete',
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description: 'Delete a file',
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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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},
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{
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name: 'Move',
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value: 'move',
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description: 'Move a file',
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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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},
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],
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default: 'upload',
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description: 'The operation to perform.',
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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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displayOptions: {
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show: {
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resource: [
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'folder',
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],
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},
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},
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options: [
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{
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name: 'Copy',
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value: 'copy',
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description: 'Copy a folder',
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},
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{
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name: 'Create',
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value: 'create',
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description: 'Create a folder',
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},
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{
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name: 'Delete',
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value: 'delete',
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description: 'Delete a folder',
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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: 'Return the files and folders in a given folder',
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},
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{
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name: 'Move',
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value: 'move',
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description: 'Move a folder',
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},
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],
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default: 'create',
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description: 'The operation to perform.',
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},
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// ----------------------------------
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// file
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// ----------------------------------
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// ----------------------------------
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// file/folder:copy
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// ----------------------------------
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{
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displayName: 'From Path',
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name: 'path',
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type: 'string',
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default: '',
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required: true,
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displayOptions: {
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show: {
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operation: [
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'copy'
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],
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resource: [
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'file',
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'folder',
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],
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},
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},
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placeholder: '/invoices/original.txt',
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description: 'The path of file or folder to copy.',
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},
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{
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displayName: 'To Path',
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name: 'toPath',
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type: 'string',
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default: '',
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required: true,
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displayOptions: {
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show: {
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operation: [
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'copy'
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],
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resource: [
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'file',
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'folder',
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],
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},
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},
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placeholder: '/invoices/copy.txt',
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description: 'The destination path of file or folder.',
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},
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// ----------------------------------
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// file/folder:delete
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// ----------------------------------
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{
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displayName: 'Delete Path',
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name: 'path',
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type: 'string',
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default: '',
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required: true,
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displayOptions: {
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show: {
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operation: [
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'delete'
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],
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resource: [
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'file',
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'folder',
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],
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},
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},
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placeholder: 'invoices/2019/invoice_1.pdf',
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description: 'The path to delete. Can be a single file or a whole folder.',
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},
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// ----------------------------------
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// file/folder:move
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// ----------------------------------
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{
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displayName: 'From Path',
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name: 'path',
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type: 'string',
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default: '',
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required: true,
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displayOptions: {
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show: {
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operation: [
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'move'
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],
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resource: [
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'file',
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'folder',
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],
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},
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},
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placeholder: '/invoices/old_name.txt',
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description: 'The path of file or folder to move.',
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},
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{
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displayName: 'To Path',
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name: 'toPath',
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type: 'string',
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default: '',
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required: true,
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displayOptions: {
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show: {
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operation: [
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'move'
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],
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resource: [
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'file',
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'folder',
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],
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},
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},
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placeholder: '/invoices/new_name.txt',
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description: 'The new path of file or folder.',
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},
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// ----------------------------------
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// file:download
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// ----------------------------------
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{
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displayName: 'File Path',
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name: 'path',
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type: 'string',
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default: '',
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required: true,
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displayOptions: {
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show: {
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operation: [
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'download'
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],
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resource: [
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'file',
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],
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},
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},
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placeholder: 'invoices/2019/invoice_1.pdf',
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description: 'The file path of the file to download. Has to contain the full path.',
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},
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{
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displayName: 'Binary Property',
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name: 'binaryPropertyName',
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type: 'string',
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default: 'data',
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required: true,
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displayOptions: {
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show: {
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operation: [
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'download'
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],
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resource: [
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'file',
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],
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},
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},
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description: 'Name of the binary property to which to<br />write the data of the read file.',
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},
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// ----------------------------------
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// file:upload
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// ----------------------------------
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{
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displayName: 'File Path',
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name: 'path',
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type: 'string',
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default: '',
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required: true,
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displayOptions: {
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show: {
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operation: [
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'upload'
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],
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resource: [
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'file',
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],
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},
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},
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placeholder: 'invoices/2019/invoice_1.pdf',
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description: 'The file path of the file to upload. Has to contain the full path. The parent folder has to exist. Existing files get overwritten.',
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},
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{
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displayName: 'Binary Data',
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name: 'binaryDataUpload',
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type: 'boolean',
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default: false,
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required: true,
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displayOptions: {
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show: {
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operation: [
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'upload'
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],
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resource: [
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'file',
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],
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},
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},
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description: '',
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},
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{
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displayName: 'File Content',
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name: 'fileContent',
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type: 'string',
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default: '',
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displayOptions: {
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show: {
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binaryDataUpload: [
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true
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],
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operation: [
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'upload'
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],
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resource: [
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'file',
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],
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},
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},
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placeholder: '',
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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: 'Binary Property',
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name: 'binaryPropertyName',
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type: 'string',
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default: 'data',
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required: true,
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displayOptions: {
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show: {
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binaryDataUpload: [
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true
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],
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operation: [
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'upload'
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],
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resource: [
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'file',
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],
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},
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},
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placeholder: '',
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description: 'Name of the binary property which contains<br />the data for the file to be uploaded.',
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},
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// ----------------------------------
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// folder
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// ----------------------------------
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// ----------------------------------
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// folder:create
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// ----------------------------------
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{
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displayName: 'Folder',
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name: 'path',
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type: 'string',
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default: '',
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required: true,
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displayOptions: {
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show: {
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operation: [
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'create'
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],
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resource: [
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'folder',
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],
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},
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},
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placeholder: 'invoices/2019',
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description: 'The folder to create. The parent folder has to exist.',
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},
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// ----------------------------------
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// folder:list
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// ----------------------------------
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{
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displayName: 'Folder Path',
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name: 'path',
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type: 'string',
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default: '',
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displayOptions: {
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show: {
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operation: [
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'list'
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],
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resource: [
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'folder',
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],
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},
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},
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placeholder: 'invoices/2019/',
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description: 'The path of which to list the content.',
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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().slice();
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const returnData: IDataObject[] = [];
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const credentials = this.getCredentials('nextCloudApi');
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if (credentials === undefined) {
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throw new Error('No credentials got returned!');
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}
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const resource = this.getNodeParameter('resource', 0) as string;
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const operation = this.getNodeParameter('operation', 0) as string;
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let endpoint = '';
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let requestMethod = '';
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let body: string | Buffer = '';
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const headers: IDataObject = {};
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for (let i = 0; i < items.length; i++) {
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if (resource === 'file') {
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if (operation === 'download') {
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// ----------------------------------
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// download
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// ----------------------------------
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requestMethod = 'GET';
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endpoint = this.getNodeParameter('path', i) as string;
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} else if (operation === 'upload') {
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// ----------------------------------
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// upload
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// ----------------------------------
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requestMethod = 'PUT';
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endpoint = this.getNodeParameter('path', i) as string;
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if (this.getNodeParameter('binaryDataUpload', i) === true) {
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// Is binary file to upload
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const item = items[i];
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if (item.binary === undefined) {
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throw new Error('No binary data exists on item!');
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}
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const propertyNameUpload = this.getNodeParameter('binaryPropertyName', i) as string;
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if (item.binary[propertyNameUpload] === undefined) {
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throw new Error(`No binary data property "${propertyNameUpload}" does not exists on item!`);
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}
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body = Buffer.from(item.binary[propertyNameUpload].data, BINARY_ENCODING);
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} else {
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// Is text file
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body = this.getNodeParameter('fileContent', i) as string;
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}
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}
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} else if (resource === 'folder') {
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if (operation === 'create') {
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// ----------------------------------
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// create
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// ----------------------------------
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requestMethod = 'MKCOL';
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endpoint = this.getNodeParameter('path', i) as string;
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} else if (operation === 'list') {
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// ----------------------------------
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// list
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// ----------------------------------
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requestMethod = 'PROPFIND';
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endpoint = this.getNodeParameter('path', i) as string;
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}
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}
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if (['file', 'folder'].includes(resource)) {
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if (operation === 'copy') {
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// ----------------------------------
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// copy
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// ----------------------------------
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requestMethod = 'COPY';
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endpoint = this.getNodeParameter('path', i) as string;
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const toPath = this.getNodeParameter('toPath', i) as string;
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headers.Destination = `${credentials.webDavUrl}/${encodeURI(toPath)}`;
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} else if (operation === 'delete') {
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// ----------------------------------
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// delete
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// ----------------------------------
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requestMethod = 'DELETE';
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endpoint = this.getNodeParameter('path', i) as string;
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} else if (operation === 'move') {
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// ----------------------------------
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// move
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// ----------------------------------
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requestMethod = 'MOVE';
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endpoint = this.getNodeParameter('path', i) as string;
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const toPath = this.getNodeParameter('toPath', i) as string;
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headers.Destination = `${credentials.webDavUrl}/${encodeURI(toPath)}`;
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}
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} else {
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throw new Error(`The resource "${resource}" is not known!`);
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}
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// Make sure that the webdav URL does never have a trailing slash because
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// one gets added always automatically
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let webDavUrl = credentials.webDavUrl as string;
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if (webDavUrl.slice(-1) === '/') {
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webDavUrl = webDavUrl.slice(0, -1);
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}
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const options: OptionsWithUri = {
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auth: {
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user: credentials.user as string,
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pass: credentials.password as string,
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},
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headers,
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method: requestMethod,
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body,
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qs: {},
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uri: `${credentials.webDavUrl}/${encodeURI(endpoint)}`,
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json: false,
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};
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if (resource === 'file' && operation === 'download') {
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// Return the data as a buffer
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options.encoding = null;
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}
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const responseData = await this.helpers.request(options);
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if (resource === 'file' && operation === 'download') {
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const newItem: INodeExecutionData = {
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json: items[i].json,
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binary: {},
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};
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if (items[i].binary !== undefined) {
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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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items[i] = newItem;
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const binaryPropertyName = this.getNodeParameter('binaryPropertyName', i) as string;
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items[i].binary![binaryPropertyName] = await this.helpers.prepareBinaryData(responseData, endpoint);
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} else if (resource === 'folder' && operation === 'list') {
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const jsonResponseData: IDataObject = await new Promise((resolve, reject) => {
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parseString(responseData, { explicitArray: false }, (err, data) => {
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if (err) {
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return reject(err);
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}
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resolve(data as IDataObject);
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});
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});
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const propNames: { [key: string]: string } = {
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'd:getlastmodified': 'lastModified',
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'd:getcontentlength': 'contentLength',
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'd:getcontenttype': 'contentType',
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};
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if (jsonResponseData['d:multistatus'] !== undefined &&
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jsonResponseData['d:multistatus'] !== null &&
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(jsonResponseData['d:multistatus'] as IDataObject)['d:response'] !== undefined &&
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(jsonResponseData['d:multistatus'] as IDataObject)['d:response'] !== null) {
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let skippedFirst = false;
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// @ts-ignore
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for (const item of jsonResponseData['d:multistatus']['d:response']) {
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if (skippedFirst === false) {
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skippedFirst = true;
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continue;
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}
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const newItem: IDataObject = {};
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newItem.path = item['d:href'].slice(19);
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const props = item['d:propstat'][0]['d:prop'];
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// Get the props and save them under a proper name
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for (const propName of Object.keys(propNames)) {
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if (props[propName] !== undefined) {
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newItem[propNames[propName]] = props[propName];
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}
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}
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if (props['d:resourcetype'] === '') {
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newItem.type = 'file';
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} else {
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newItem.type = 'folder';
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}
|
|
newItem.eTag = props['d:getetag'].slice(1, -1);
|
|
|
|
returnData.push(newItem as IDataObject);
|
|
}
|
|
}
|
|
} else {
|
|
returnData.push(responseData as IDataObject);
|
|
}
|
|
}
|
|
|
|
if (resource === 'file' && operation === 'download') {
|
|
// For file downloads the files get attached to the existing items
|
|
return this.prepareOutputData(items);
|
|
} else {
|
|
// For all other ones does the output get replaced
|
|
return [this.helpers.returnJsonArray(returnData)];
|
|
}
|
|
}
|
|
}
|