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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012 Medical Physics Department, CHU of Liege,
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4 * 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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136
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10 *
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11 * In addition, as a special exception, the copyright holders of this
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12 * program give permission to link the code of its release with the
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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14 * that use the same license as the "OpenSSL" library), and distribute
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15 * the linked executables. You must obey the GNU General Public License
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16 * in all respects for all of the code used other than "OpenSSL". If you
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17 * modify file(s) with this exception, you may extend this exception to
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18 * your version of the file(s), but you are not obligated to do so. If
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19 * you do not wish to do so, delete this exception statement from your
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20 * version. If you delete this exception statement from all source files
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21 * in the program, then also delete it here.
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22 *
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23 * This program is distributed in the hope that it will be useful, but
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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26 * General Public License for more details.
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27 *
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28 * You should have received a copy of the GNU General Public License
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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30 **/
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31
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32
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33 #include "HttpHandler.h"
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34
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35 #include <string.h>
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36
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37 namespace Orthanc
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38 {
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39 static void SplitGETNameValue(HttpHandler::Arguments& result,
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40 const char* start,
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41 const char* end)
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42 {
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43 const char* equal = strchr(start, '=');
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44 if (equal == NULL || equal >= end)
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45 {
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46 result.insert(std::make_pair(std::string(start, end - start), ""));
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47 }
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48 else
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49 {
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50 result.insert(std::make_pair(std::string(start, equal - start),
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51 std::string(equal + 1, end)));
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52 }
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53 }
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54
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55
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56 void HttpHandler::ParseGetQuery(HttpHandler::Arguments& result, const char* query)
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57 {
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58 const char* pos = query;
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59
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60 while (pos != NULL)
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61 {
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62 const char* ampersand = strchr(pos, '&');
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63 if (ampersand)
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64 {
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65 SplitGETNameValue(result, pos, ampersand);
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66 pos = ampersand + 1;
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67 }
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68 else
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69 {
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70 // No more ampersand, this is the last argument
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71 SplitGETNameValue(result, pos, pos + strlen(pos));
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72 pos = NULL;
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73 }
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74 }
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75 }
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76
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77
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78
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79 std::string HttpHandler::GetArgument(const Arguments& arguments,
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80 const std::string& name,
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81 const std::string& defaultValue)
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82 {
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83 Arguments::const_iterator it = arguments.find(name);
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84 if (it == arguments.end())
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85 {
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86 return defaultValue;
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87 }
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88 else
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89 {
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90 return it->second;
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91 }
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92 }
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93 }
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