122 lines
3.2 KiB
JavaScript
122 lines
3.2 KiB
JavaScript
/**
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* Orthanc - A Lightweight, RESTful DICOM Store
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* Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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* Department, University Hospital of Liege, Belgium
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* Copyright (C) 2017-2023 Osimis S.A., Belgium
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* Copyright (C) 2024-2025 Orthanc Team SRL, Belgium
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* Copyright (C) 2021-2025 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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*
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* This program is free software: you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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**/
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var fs = require('fs');
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var http = require('http');
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function ForwardGetRequest(orthanc, path, res) {
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var opts = orthanc;
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opts.path = path;
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opts.method = 'GET';
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http.get(opts, function(response) {
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if (response.statusCode == 200) {
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response.setEncoding('utf-8');
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response.on('data', function(chunk) {
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res.write(chunk);
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});
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response.on('end', function() {
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res.end();
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});
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} else {
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console.log('Got error on GET forwarding: ' +
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response.statusCode + ' (' + path + ')');
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res.writeHead(response.statusCode);
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res.end();
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}
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}).on('error', function(e) {
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console.log('Unable to contact Orthanc: ' + e.message);
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res.writeHead(503); // Service Unavailable
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res.end();
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});
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}
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function ForwardPostRequest(orthanc, path, body, res) {
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var opts = orthanc;
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opts.path = path;
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opts.method = 'POST';
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opts.headers = {
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'Content-Length': body.length
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}
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var req = http.request(opts, function(response) {
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if (response.statusCode == 200) {
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response.setEncoding('utf-8');
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response.on('data', function(chunk) {
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res.write(chunk);
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});
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response.on('end', function() {
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res.end();
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});
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} else {
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console.log('Got error on POST forwarding: ' +
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response.statusCode + ' (' + path + ')');
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res.writeHead(response.statusCode);
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res.end();
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}
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}).on('error', function(e) {
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console.log('Unable to contact Orthanc: ' + e.message);
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res.writeHead(503); // Service Unavailable
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res.end();
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});
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req.write(body);
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req.end();
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}
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function ServeFile(filename, res) {
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fs.readFile(filename, function(r, c) {
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res.end(c.toString());
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});
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}
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function NotFound(res) {
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res.writeHead(404, {'Content-Type': 'text/plain'});
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res.end();
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}
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function Redirect(path, res) {
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res.writeHead(301, {
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'Content-Type': 'text/plain',
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'Location': path
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});
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res.end();
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}
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String.prototype.startsWith = function(prefix) {
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return this.indexOf(prefix) === 0;
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}
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module.exports.ForwardGetRequest = ForwardGetRequest;
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module.exports.ForwardPostRequest = ForwardPostRequest;
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module.exports.NotFound = NotFound;
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module.exports.Redirect = Redirect;
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module.exports.ServeFile = ServeFile;
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