Mercurial > hg > orthanc
view Resources/Samples/WebApplications/NodeToolbox.js @ 3269:905ee53c8274
cont
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 20 Feb 2019 14:56:59 +0100 |
parents | 4e43e67f8ecf |
children | 94f4a18a79cc |
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/** * Orthanc - A Lightweight, RESTful DICOM Store * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2019 Osimis S.A., Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. **/ var fs = require('fs'); var http = require('http'); function ForwardGetRequest(orthanc, path, res) { var opts = orthanc; opts.path = path; opts.method = 'GET'; http.get(opts, function(response) { if (response.statusCode == 200) { response.setEncoding('utf-8'); response.on('data', function(chunk) { res.write(chunk); }); response.on('end', function() { res.end(); }); } else { console.log('Got error on GET forwarding: ' + response.statusCode + ' (' + path + ')'); res.writeHead(response.statusCode); res.end(); } }).on('error', function(e) { console.log('Unable to contact Orthanc: ' + e.message); res.writeHead(503); // Service Unavailable res.end(); }); } function ForwardPostRequest(orthanc, path, body, res) { var opts = orthanc; opts.path = path; opts.method = 'POST'; opts.headers = { 'Content-Length': body.length } var req = http.request(opts, function(response) { if (response.statusCode == 200) { response.setEncoding('utf-8'); response.on('data', function(chunk) { res.write(chunk); }); response.on('end', function() { res.end(); }); } else { console.log('Got error on POST forwarding: ' + response.statusCode + ' (' + path + ')'); res.writeHead(response.statusCode); res.end(); } }).on('error', function(e) { console.log('Unable to contact Orthanc: ' + e.message); res.writeHead(503); // Service Unavailable res.end(); }); req.write(body); req.end(); } function ServeFile(filename, res) { fs.readFile(filename, function(r, c) { res.end(c.toString()); }); } function NotFound(res) { res.writeHead(404, {'Content-Type': 'text/plain'}); res.end(); } function Redirect(path, res) { res.writeHead(301, { 'Content-Type': 'text/plain', 'Location': path }); res.end(); } String.prototype.startsWith = function(prefix) { return this.indexOf(prefix) === 0; } module.exports.ForwardGetRequest = ForwardGetRequest; module.exports.ForwardPostRequest = ForwardPostRequest; module.exports.NotFound = NotFound; module.exports.Redirect = Redirect; module.exports.ServeFile = ServeFile;