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1 /**
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2 * Palantir - 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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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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19
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20
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21 #include "Uuid.h"
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22
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23 // http://stackoverflow.com/a/1626302
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24
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25 extern "C"
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26 {
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27 #ifdef WIN32
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28 #include <rpc.h>
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29 #else
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30 #include <uuid/uuid.h>
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31 #endif
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32 }
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33
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34 namespace Palantir
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35 {
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36 namespace Toolbox
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37 {
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38 std::string GenerateUuid()
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39 {
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40 #ifdef WIN32
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41 UUID uuid;
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42 UuidCreate ( &uuid );
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43
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44 unsigned char * str;
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45 UuidToStringA ( &uuid, &str );
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46
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47 std::string s( ( char* ) str );
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48
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49 RpcStringFreeA ( &str );
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50 #else
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51 uuid_t uuid;
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52 uuid_generate_random ( uuid );
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53 char s[37];
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54 uuid_unparse ( uuid, s );
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55 #endif
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56 return s;
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57 }
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58
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59
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60 bool IsUuid(const std::string& str)
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61 {
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62 if (str.size() != 36)
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63 {
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64 return false;
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65 }
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66
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67 for (size_t i = 0; i < str.length(); i++)
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68 {
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69 if (i == 8 || i == 13 || i == 18 || i == 23)
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70 {
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71 if (str[i] != '-')
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72 return false;
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73 }
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74 else
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75 {
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76 if (!isalnum(str[i]))
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77 return false;
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78 }
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79 }
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80
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81 return true;
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82 }
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83 }
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84 }
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