Mercurial > hg > orthanc

annotate OrthancServer/Resources/Samples/WebApplications/NodeToolbox.js @ 5640:f7adfb22e20e

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updated copyright, as Orthanc Team now replaces Osimis
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 30 May 2024 21:19:57 +0200
parents 48b8dae6dc77
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2023 Osimis S.A., Belgium
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6 * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium
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7 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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8 *
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9 * This program is free software: you can redistribute it and/or
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10 * modify it under the terms of the GNU General Public License as
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11 * published by the Free Software Foundation, either version 3 of the
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12 * License, or (at your option) any later version.
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13 *
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14 * This program is distributed in the hope that it will be useful, but
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15 * WITHOUT ANY WARRANTY; without even the implied warranty of
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16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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17 * General Public License for more details.
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18 *
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19 * You should have received a copy of the GNU General Public License
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20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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21 **/
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24 var fs = require('fs');
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25 var http = require('http');
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27
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28 function ForwardGetRequest(orthanc, path, res) {
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29 var opts = orthanc;
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30 opts.path = path;
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31 opts.method = 'GET';
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32
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33 http.get(opts, function(response) {
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34 if (response.statusCode == 200) {
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35 response.setEncoding('utf-8');
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36 response.on('data', function(chunk) {
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37 res.write(chunk);
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38 });
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39 response.on('end', function() {
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40 res.end();
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41 });
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42 } else {
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43 console.log('Got error on GET forwarding: ' +
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44 response.statusCode + ' (' + path + ')');
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45 res.writeHead(response.statusCode);
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46 res.end();
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47 }
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48 }).on('error', function(e) {
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49 console.log('Unable to contact Orthanc: ' + e.message);
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50 res.writeHead(503); // Service Unavailable
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51 res.end();
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52 });
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53 }
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56 function ForwardPostRequest(orthanc, path, body, res) {
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57 var opts = orthanc;
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58 opts.path = path;
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59 opts.method = 'POST';
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60 opts.headers = {
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61 'Content-Length': body.length
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62 }
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63
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64 var req = http.request(opts, function(response) {
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65 if (response.statusCode == 200) {
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66 response.setEncoding('utf-8');
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67 response.on('data', function(chunk) {
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68 res.write(chunk);
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69 });
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70 response.on('end', function() {
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71 res.end();
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72 });
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73 } else {
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74 console.log('Got error on POST forwarding: ' +
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75 response.statusCode + ' (' + path + ')');
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76 res.writeHead(response.statusCode);
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77 res.end();
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78 }
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79 }).on('error', function(e) {
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80 console.log('Unable to contact Orthanc: ' + e.message);
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81 res.writeHead(503); // Service Unavailable
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82 res.end();
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83 });
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84
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85 req.write(body);
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86 req.end();
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87 }
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89
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90 function ServeFile(filename, res) {
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91 fs.readFile(filename, function(r, c) {
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92 res.end(c.toString());
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93 });
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94 }
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95
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96
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97 function NotFound(res) {
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98 res.writeHead(404, {'Content-Type': 'text/plain'});
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99 res.end();
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100 }
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101
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102
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103 function Redirect(path, res) {
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104 res.writeHead(301, {
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105 'Content-Type': 'text/plain',
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106 'Location': path
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107 });
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108 res.end();
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109 }
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110
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111
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112 String.prototype.startsWith = function(prefix) {
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113 return this.indexOf(prefix) === 0;
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114 }
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115
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116
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117 module.exports.ForwardGetRequest = ForwardGetRequest;
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118 module.exports.ForwardPostRequest = ForwardPostRequest;
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119 module.exports.NotFound = NotFound;
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120 module.exports.Redirect = Redirect;
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121 module.exports.ServeFile = ServeFile;