Mercurial > hg > orthanc

annotate Resources/Samples/WebApplications/NodeToolbox.js @ 2141:a260a8ad83f1

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reorganization
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 09 Nov 2016 16:16:26 +0100
parents b1291df2f780
children a3a65de1840f
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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 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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10 *
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11 * This program is distributed in the hope that it will be useful, but
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12 * WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 * General Public License for more details.
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15 *
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16 * You should have received a copy of the GNU General Public License
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17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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18 **/
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20
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21 var fs = require('fs');
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22 var http = require('http');
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25 function ForwardGetRequest(orthanc, path, res) {
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26 var opts = orthanc;
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27 opts.path = path;
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28 opts.method = 'GET';
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30 http.get(opts, function(response) {
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31 if (response.statusCode == 200) {
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32 response.setEncoding('utf-8');
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33 response.on('data', function(chunk) {
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34 res.write(chunk);
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35 });
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36 response.on('end', function() {
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37 res.end();
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38 });
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39 } else {
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40 console.log('Got error on GET forwarding: ' +
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41 response.statusCode + ' (' + path + ')');
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42 res.writeHead(response.statusCode);
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43 res.end();
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44 }
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45 }).on('error', function(e) {
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46 console.log('Unable to contact Orthanc: ' + e.message);
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47 res.writeHead(503); // Service Unavailable
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48 res.end();
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49 });
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50 }
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52
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53 function ForwardPostRequest(orthanc, path, body, res) {
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54 var opts = orthanc;
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55 opts.path = path;
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56 opts.method = 'POST';
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57 opts.headers = {
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58 'Content-Length': body.length
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59 }
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60
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61 var req = http.request(opts, function(response) {
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62 if (response.statusCode == 200) {
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63 response.setEncoding('utf-8');
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64 response.on('data', function(chunk) {
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65 res.write(chunk);
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66 });
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67 response.on('end', function() {
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68 res.end();
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69 });
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70 } else {
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71 console.log('Got error on POST forwarding: ' +
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72 response.statusCode + ' (' + path + ')');
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73 res.writeHead(response.statusCode);
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74 res.end();
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75 }
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76 }).on('error', function(e) {
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77 console.log('Unable to contact Orthanc: ' + e.message);
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78 res.writeHead(503); // Service Unavailable
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79 res.end();
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80 });
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81
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82 req.write(body);
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83 req.end();
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84 }
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85
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86
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87 function ServeFile(filename, res) {
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88 fs.readFile(filename, function(r, c) {
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89 res.end(c.toString());
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90 });
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91 }
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92
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93
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94 function NotFound(res) {
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95 res.writeHead(404, {'Content-Type': 'text/plain'});
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96 res.end();
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97 }
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98
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99
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100 function Redirect(path, res) {
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101 res.writeHead(301, {
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102 'Content-Type': 'text/plain',
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103 'Location': path
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104 });
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105 res.end();
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106 }
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107
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108
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109 String.prototype.startsWith = function(prefix) {
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110 return this.indexOf(prefix) === 0;
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111 }
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112
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113
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114 module.exports.ForwardGetRequest = ForwardGetRequest;
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115 module.exports.ForwardPostRequest = ForwardPostRequest;
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116 module.exports.NotFound = NotFound;
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117 module.exports.Redirect = Redirect;
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118 module.exports.ServeFile = ServeFile;