Mercurial > hg > orthanc

annotate Resources/Samples/WebApplications/NodeToolbox.js @ 1373:21a2929e541d query-retrieve

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Move SCU conformance
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 28 May 2015 12:19:26 +0200
parents 6e7e5ed91c2d
children 3d76e26b3865
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2015 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 * Permission is hereby granted, free of charge, to any person
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7 * obtaining a copy of this software and associated documentation
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8 * files (the "Software"), to deal in the Software without
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9 * restriction, including without limitation the rights to use, copy,
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10 * modify, merge, publish, distribute, sublicense, and/or sell copies
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11 * of the Software, and to permit persons to whom the Software is
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12 * furnished to do so, subject to the following conditions:
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13 *
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14 * The above copyright notice and this permission notice shall be
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15 * included in all copies or substantial portions of the Software.
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16 *
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17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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21 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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22 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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23 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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24 * SOFTWARE.
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25 **/
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26
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27
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28 var fs = require('fs');
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29 var http = require('http');
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31
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32 function ForwardGetRequest(orthanc, path, res) {
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33 var opts = orthanc;
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34 opts.path = path;
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35 opts.method = 'GET';
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36
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37 http.get(opts, function(response) {
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38 if (response.statusCode == 200) {
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39 response.setEncoding('utf-8');
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40 response.on('data', function(chunk) {
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41 res.write(chunk);
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42 });
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43 response.on('end', function() {
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44 res.end();
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45 });
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46 } else {
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47 console.log('Got error on GET forwarding: ' +
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48 response.statusCode + ' (' + path + ')');
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49 res.writeHead(response.statusCode);
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50 res.end();
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51 }
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52 }).on('error', function(e) {
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53 console.log('Unable to contact Orthanc: ' + e.message);
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54 res.writeHead(503); // Service Unavailable
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55 res.end();
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56 });
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57 }
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59
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60 function ForwardPostRequest(orthanc, path, body, res) {
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61 var opts = orthanc;
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62 opts.path = path;
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63 opts.method = 'POST';
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64 opts.headers = {
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65 'Content-Length': body.length
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66 }
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67
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68 var req = http.request(opts, function(response) {
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69 if (response.statusCode == 200) {
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70 response.setEncoding('utf-8');
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71 response.on('data', function(chunk) {
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72 res.write(chunk);
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73 });
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74 response.on('end', function() {
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75 res.end();
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76 });
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77 } else {
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78 console.log('Got error on POST forwarding: ' +
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79 response.statusCode + ' (' + path + ')');
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80 res.writeHead(response.statusCode);
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81 res.end();
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82 }
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83 }).on('error', function(e) {
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84 console.log('Unable to contact Orthanc: ' + e.message);
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85 res.writeHead(503); // Service Unavailable
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86 res.end();
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87 });
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88
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89 req.write(body);
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90 req.end();
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91 }
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92
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93
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94 function ServeFile(filename, res) {
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95 fs.readFile(filename, function(r, c) {
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96 res.end(c.toString());
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97 });
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98 }
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99
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100
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101 function NotFound(res) {
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102 res.writeHead(404, {'Content-Type': 'text/plain'});
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103 res.end();
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104 }
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105
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106
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107 function Redirect(path, res) {
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108 res.writeHead(301, {
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109 'Content-Type': 'text/plain',
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110 'Location': path
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111 });
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112 res.end();
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113 }
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114
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115
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116 String.prototype.startsWith = function(prefix) {
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117 return this.indexOf(prefix) === 0;
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118 }
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119
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120
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121 module.exports.ForwardGetRequest = ForwardGetRequest;
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122 module.exports.ForwardPostRequest = ForwardPostRequest;
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123 module.exports.NotFound = NotFound;
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124 module.exports.Redirect = Redirect;
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125 module.exports.ServeFile = ServeFile;