Initial commit: Nextcloud Node-RED Docker image and custom nodes
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newkle3r
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module.exports = function(RED) {
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var https = require('https');
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var http = require('http');
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var url = require('url');
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var OPERATIONS = {
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// Read/List
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'list': { method: 'PROPFIND', path: '/remote.php/dav/files/{user}/{folder}' },
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'get': { method: 'GET', path: '/remote.php/dav/files/{user}/{path}' },
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// Write
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'upload': { method: 'PUT', path: '/remote.php/dav/files/{user}/{path}' },
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'mkdir': { method: 'MKCOL', path: '/remote.php/dav/files/{user}/{folder}' },
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// Modify
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'move': { method: 'MOVE', path: '/remote.php/dav/files/{user}/{path}', destHeader: true },
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'copy': { method: 'COPY', path: '/remote.php/dav/files/{user}/{path}', destHeader: true },
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// Delete
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'delete': { method: 'DELETE', path: '/remote.php/dav/files/{user}/{path}' },
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// OCS sharing
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'listShares': { method: 'GET', path: '/ocs/v2.php/apps/files_sharing/api/v1/shares' },
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'createShare': { method: 'POST', path: '/ocs/v2.php/apps/files_sharing/api/v1/shares', body: ['path','shareType','permissions','shareWith'] },
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'deleteShare': { method: 'DELETE', path: '/ocs/v2.php/apps/files_sharing/api/v1/shares/{id}' },
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// File info
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'fileInfo': { method: 'GET', path: '/ocs/v2.php/apps/files/api/v1/stats' },
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'favorites': { method: 'GET', path: '/ocs/v2.php/apps/files/api/v1/files' }
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};
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function FileOperationsNode(config) {
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RED.nodes.createNode(this, config);
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var node = this;
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this.configNode = RED.nodes.getNode(config.nextcloud);
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this.operation = config.operation || 'list';
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this.ncUser = config.ncUser || '';
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this.ncPath = config.ncPath || '';
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this.ncFolder = config.ncFolder || '';
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this.destination = config.destination || '';
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this.bodySharePath = config.bodySharePath;
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this.bodyShareType = config.bodyShareType;
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this.bodyPermissions = config.bodyPermissions;
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this.bodyShareWith = config.bodyShareWith;
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if (!this.configNode) {
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node.error("No Nextcloud configuration node selected");
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return;
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}
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node.on('input', function(msg) {
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var op = OPERATIONS[msg.operation || node.operation];
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if (!op) {
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node.error("Unknown operation: " + (msg.operation || node.operation), msg);
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return;
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}
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var baseUrl = (node.configNode.baseUrl || '').replace(/\/+$/, '');
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var username = node.configNode.credentials.username;
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var password = node.configNode.credentials.password;
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var ncUser = msg.ncUser || node.ncUser || username;
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var ncPath = msg.ncPath || node.ncPath || '';
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var ncFolder = msg.ncFolder || node.ncFolder || '';
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var dest = msg.destination || node.destination || '';
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var path = op.path
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.replace('{user}', encodeURIComponent(ncUser))
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.replace('{path}', ncPath)
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.replace('{folder}', ncFolder)
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.replace('{id}', msg.id || '');
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var fullUrl = baseUrl + path;
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var parsedUrl = url.parse(fullUrl);
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var headers = {
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'Authorization': 'Basic ' + Buffer.from(username + ':' + password).toString('base64')
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};
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// WebDAV requests need depth header for PROPFIND
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if (op.method === 'PROPFIND') {
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headers['Depth'] = msg.depth || '1';
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headers['Content-Type'] = 'application/xml';
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}
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// MOVE/COPY use Destination header
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if (op.destHeader && dest) {
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headers['Destination'] = baseUrl + '/remote.php/dav/files/' + encodeURIComponent(ncUser) + '/' + dest;
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}
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// OCS sharing headers
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if (op.path.indexOf('/ocs/') === 0) {
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headers['OCS-APIRequest'] = 'true';
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headers['Accept'] = 'application/json';
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}
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if (msg.headers && typeof msg.headers === 'object') {
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Object.keys(msg.headers).forEach(function(k) {
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headers[k] = msg.headers[k];
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});
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}
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var bodyStr = null;
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if (op.body) {
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var bodyObj = {};
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op.body.forEach(function(b) {
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var val = msg[b] !== undefined ? msg[b] : getBodyField(node, b);
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if (val !== undefined && val !== '') {
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bodyObj[b] = val;
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}
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});
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if (Object.keys(bodyObj).length > 0) {
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headers['Content-Type'] = 'application/json';
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bodyStr = JSON.stringify(bodyObj);
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}
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}
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if (msg.body) {
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headers['Content-Type'] = msg.contentType || 'application/json';
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bodyStr = typeof msg.body === 'string' ? msg.body : JSON.stringify(msg.body);
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}
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if (msg.payload && op.method === 'PUT') {
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bodyStr = typeof msg.payload === 'string' ? msg.payload : JSON.stringify(msg.payload);
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}
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var opts = {
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hostname: parsedUrl.hostname,
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port: parsedUrl.port || (parsedUrl.protocol === 'https:' ? 443 : 80),
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path: parsedUrl.path,
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method: op.method,
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headers: headers,
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rejectUnauthorized: false
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};
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var transport = parsedUrl.protocol === 'https:' ? https : http;
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node.log(op.method + ' ' + fullUrl);
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var req = transport.request(opts, function(res) {
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var body = '';
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res.on('data', function(chunk) { body += chunk; });
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res.on('end', function() {
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msg.statusCode = res.statusCode;
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msg.operation = msg.operation || node.operation;
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// Try JSON, fallback to XML/text
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try { msg.payload = JSON.parse(body); }
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catch(e) {
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// PROPFIND returns XML
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msg.payload = body;
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}
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node.send(msg);
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});
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});
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req.on('error', function(err) {
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msg.error = err.message;
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node.error(op.method + ' ' + fullUrl + ' — ' + err.message, msg);
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});
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if (bodyStr) {
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req.write(bodyStr);
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}
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req.end();
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});
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}
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function getBodyField(node, name) {
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var map = {
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'path': node.bodySharePath, 'shareType': node.bodyShareType,
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'permissions': node.bodyPermissions, 'shareWith': node.bodyShareWith
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};
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return map[name];
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}
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RED.nodes.registerType("file-operations", FileOperationsNode);
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};
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