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8 |
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9 | var HttpBadRequestError = require("@themost/common/errors").HttpBadRequestError;
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10 | var raw = require('raw-body');
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11 | var DOMParser = require('xmldom').DOMParser;
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12 | var contentTypeParser = require('content-type');
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13 | var _ = require('lodash');
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14 |
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15 | function hasXmlContent(request) {
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16 | if (typeof request.headers['content-type'] !== 'string') {
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17 | return false;
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18 | }
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19 | var contentType = contentTypeParser.parse(request.headers['content-type']);
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20 | if (typeof contentType === 'undefined' || contentType === null) {
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21 | return false;
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22 | }
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23 | return /(\+xml)|(\/xml)$/i.test(contentType.type) && (request.method !== 'GET');
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24 | }
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25 |
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26 |
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27 |
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28 |
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29 |
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30 |
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31 |
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32 | function XmlHandler() {
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33 |
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34 | }
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35 |
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36 |
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37 |
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38 |
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39 |
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40 | XmlHandler.prototype.beginRequest = function(context, callback) {
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41 | var request = context.request;
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42 | if (hasXmlContent(request)) {
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43 | var configurationOptions = context.getApplication().getConfiguration().getSourceAt('settings/xml');
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44 | var options = _.assign({
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45 | limit: '1mb',
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46 | encoding: 'utf8'
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47 | }, configurationOptions);
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48 | var len = request.headers['content-length'];
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49 | if (len) {
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50 | options.length = len;
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51 | }
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52 | return raw(request, options).then(function (str) {
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53 | request.body = str;
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54 | return callback();
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55 | }).catch(function (err) {
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56 | return callback(err);
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57 | });
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58 | }
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59 | return callback();
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60 | };
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61 |
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62 |
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63 |
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64 |
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65 | XmlHandler.prototype.validateRequest = function(context, callback) {
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66 | var request = context.request;
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67 | if (hasXmlContent(request)) {
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68 |
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69 | if (typeof request.body === 'string') {
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70 |
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71 | var doc;
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72 | var parser;
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73 | var errors = [];
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74 | try {
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75 | parser = new DOMParser({
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76 | locator:{
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77 |
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78 | },
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79 | errorHandler:{
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80 | error:function(msg){
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81 | errors.push(msg);
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82 | }
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83 | }
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84 | });
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85 | doc = parser.parseFromString(request.body,'application/xml');
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86 | if (errors.length>0) {
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87 | return callback(new HttpBadRequestError(errors[0]));
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88 | }
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89 | }
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90 | catch (err) {
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91 | return callback(err);
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92 | }
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93 | return callback();
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94 | }
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95 | }
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96 | return callback();
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97 | };
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98 | if (typeof exports !== 'undefined') {
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99 | module.exports.XmlHandler = XmlHandler;
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100 | module.exports.createInstance = function() {
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101 | return new XmlHandler();
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102 | };
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103 | }
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