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1
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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 * 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 "PrecompiledHeaders.h"
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34 #include "HttpClient.h"
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35
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36 #include "Toolbox.h"
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37 #include "OrthancException.h"
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38 #include "Logging.h"
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39 #include "ChunkedBuffer.h"
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15
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40 #include "SystemToolbox.h"
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1
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41
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42 #include <string.h>
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43 #include <curl/curl.h>
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44 #include <boost/algorithm/string/predicate.hpp>
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45 #include <boost/thread/mutex.hpp>
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46
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47
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12
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48 #if ORTHANC_ENABLE_SSL == 1
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1
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49 // For OpenSSL initialization and finalization
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50 # include <openssl/conf.h>
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51 # include <openssl/engine.h>
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52 # include <openssl/err.h>
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53 # include <openssl/evp.h>
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54 # include <openssl/ssl.h>
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55 #endif
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56
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57
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12
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58 #if ORTHANC_ENABLE_PKCS11 == 1
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1
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59 # include "Pkcs11.h"
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60 #endif
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61
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62
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63 extern "C"
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64 {
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65 static CURLcode GetHttpStatus(CURLcode code, CURL* curl, long* status)
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66 {
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67 if (code == CURLE_OK)
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68 {
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69 code = curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, status);
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70 return code;
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71 }
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72 else
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73 {
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74 *status = 0;
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75 return code;
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76 }
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77 }
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78
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79 // This is a dummy wrapper function to suppress any OpenSSL-related
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80 // problem in valgrind. Inlining is prevented.
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81 #if defined(__GNUC__) || defined(__clang__)
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82 __attribute__((noinline))
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83 #endif
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84 static CURLcode OrthancHttpClientPerformSSL(CURL* curl, long* status)
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85 {
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86 return GetHttpStatus(curl_easy_perform(curl), curl, status);
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87 }
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88 }
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89
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90
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91
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92 namespace Orthanc
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93 {
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94 class HttpClient::GlobalParameters
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95 {
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96 private:
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97 boost::mutex mutex_;
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98 bool httpsVerifyPeers_;
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99 std::string httpsCACertificates_;
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100 std::string proxy_;
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101 long timeout_;
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102
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103 GlobalParameters() :
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104 httpsVerifyPeers_(true),
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105 timeout_(0)
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106 {
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107 }
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108
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109 public:
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110 // Singleton pattern
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111 static GlobalParameters& GetInstance()
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112 {
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113 static GlobalParameters parameters;
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114 return parameters;
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115 }
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116
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117 void ConfigureSsl(bool httpsVerifyPeers,
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118 const std::string& httpsCACertificates)
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119 {
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120 boost::mutex::scoped_lock lock(mutex_);
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121 httpsVerifyPeers_ = httpsVerifyPeers;
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122 httpsCACertificates_ = httpsCACertificates;
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123 }
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124
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125 void GetSslConfiguration(bool& httpsVerifyPeers,
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126 std::string& httpsCACertificates)
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127 {
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128 boost::mutex::scoped_lock lock(mutex_);
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129 httpsVerifyPeers = httpsVerifyPeers_;
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130 httpsCACertificates = httpsCACertificates_;
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131 }
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132
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133 void SetDefaultProxy(const std::string& proxy)
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134 {
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135 LOG(INFO) << "Setting the default proxy for HTTP client connections: " << proxy;
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136
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137 {
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138 boost::mutex::scoped_lock lock(mutex_);
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139 proxy_ = proxy;
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140 }
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141 }
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142
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143 void GetDefaultProxy(std::string& target)
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144 {
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145 boost::mutex::scoped_lock lock(mutex_);
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146 target = proxy_;
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147 }
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148
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149 void SetDefaultTimeout(long seconds)
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150 {
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151 LOG(INFO) << "Setting the default timeout for HTTP client connections: " << seconds << " seconds";
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152
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153 {
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154 boost::mutex::scoped_lock lock(mutex_);
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155 timeout_ = seconds;
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156 }
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157 }
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158
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159 long GetDefaultTimeout()
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160 {
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161 boost::mutex::scoped_lock lock(mutex_);
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162 return timeout_;
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163 }
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164
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12
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165 #if ORTHANC_ENABLE_PKCS11 == 1
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1
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166 bool IsPkcs11Initialized()
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167 {
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168 boost::mutex::scoped_lock lock(mutex_);
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169 return Pkcs11::IsInitialized();
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170 }
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171
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172 void InitializePkcs11(const std::string& module,
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173 const std::string& pin,
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174 bool verbose)
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175 {
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176 boost::mutex::scoped_lock lock(mutex_);
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177 Pkcs11::Initialize(module, pin, verbose);
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178 }
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179 #endif
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180 };
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181
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182
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183 struct HttpClient::PImpl
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184 {
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185 CURL* curl_;
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186 struct curl_slist *defaultPostHeaders_;
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187 struct curl_slist *userHeaders_;
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188 };
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189
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190
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191 static void ThrowException(HttpStatus status)
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192 {
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193 switch (status)
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194 {
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195 case HttpStatus_400_BadRequest:
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196 throw OrthancException(ErrorCode_BadRequest);
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197
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198 case HttpStatus_401_Unauthorized:
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199 case HttpStatus_403_Forbidden:
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200 throw OrthancException(ErrorCode_Unauthorized);
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201
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202 case HttpStatus_404_NotFound:
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203 throw OrthancException(ErrorCode_UnknownResource);
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204
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205 default:
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206 throw OrthancException(ErrorCode_NetworkProtocol);
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207 }
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208 }
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209
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210
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211 static CURLcode CheckCode(CURLcode code)
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212 {
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213 if (code == CURLE_NOT_BUILT_IN)
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214 {
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215 LOG(ERROR) << "Your libcurl does not contain a required feature, "
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216 << "please recompile Orthanc with -DUSE_SYSTEM_CURL=OFF";
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217 throw OrthancException(ErrorCode_InternalError);
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218 }
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219
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220 if (code != CURLE_OK)
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221 {
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222 LOG(ERROR) << "libCURL error: " + std::string(curl_easy_strerror(code));
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223 throw OrthancException(ErrorCode_NetworkProtocol);
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224 }
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225
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226 return code;
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227 }
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228
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229
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230 static size_t CurlBodyCallback(void *buffer, size_t size, size_t nmemb, void *payload)
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231 {
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232 ChunkedBuffer& target = *(static_cast<ChunkedBuffer*>(payload));
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233
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234 size_t length = size * nmemb;
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235 if (length == 0)
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236 {
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237 return 0;
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238 }
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239 else
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240 {
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241 target.AddChunk(buffer, length);
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242 return length;
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243 }
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244 }
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245
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246
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247 struct CurlHeaderParameters
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248 {
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249 bool lowerCase_;
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250 HttpClient::HttpHeaders* headers_;
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251 };
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252
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253
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254 static size_t CurlHeaderCallback(void *buffer, size_t size, size_t nmemb, void *payload)
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255 {
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256 CurlHeaderParameters& parameters = *(static_cast<CurlHeaderParameters*>(payload));
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257 assert(parameters.headers_ != NULL);
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258
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259 size_t length = size * nmemb;
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260 if (length == 0)
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261 {
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262 return 0;
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263 }
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264 else
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265 {
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266 std::string s(reinterpret_cast<const char*>(buffer), length);
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267 std::size_t colon = s.find(':');
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268 std::size_t eol = s.find("\r\n");
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269 if (colon != std::string::npos &&
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270 eol != std::string::npos)
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271 {
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272 std::string tmp(s.substr(0, colon));
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273
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274 if (parameters.lowerCase_)
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275 {
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276 Toolbox::ToLowerCase(tmp);
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277 }
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278
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279 std::string key = Toolbox::StripSpaces(tmp);
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280
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281 if (!key.empty())
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282 {
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283 std::string value = Toolbox::StripSpaces(s.substr(colon + 1, eol));
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284 (*parameters.headers_) [key] = value;
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285 }
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286 }
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287
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288 return length;
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289 }
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290 }
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291
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292
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293 void HttpClient::Setup()
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294 {
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295 pimpl_->userHeaders_ = NULL;
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296 pimpl_->defaultPostHeaders_ = NULL;
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297 if ((pimpl_->defaultPostHeaders_ = curl_slist_append(pimpl_->defaultPostHeaders_, "Expect:")) == NULL)
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298 {
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299 throw OrthancException(ErrorCode_NotEnoughMemory);
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300 }
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301
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302 pimpl_->curl_ = curl_easy_init();
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303 if (!pimpl_->curl_)
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304 {
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305 curl_slist_free_all(pimpl_->defaultPostHeaders_);
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306 throw OrthancException(ErrorCode_NotEnoughMemory);
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307 }
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308
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309 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_WRITEFUNCTION, &CurlBodyCallback));
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310 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_HEADER, 0));
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311 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_FOLLOWLOCATION, 1));
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312
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313 // This fixes the "longjmp causes uninitialized stack frame" crash
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314 // that happens on modern Linux versions.
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315 // http://stackoverflow.com/questions/9191668/error-longjmp-causes-uninitialized-stack-frame
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316 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_NOSIGNAL, 1));
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317
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318 url_ = "";
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319 method_ = HttpMethod_Get;
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320 lastStatus_ = HttpStatus_200_Ok;
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321 isVerbose_ = false;
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322 timeout_ = GlobalParameters::GetInstance().GetDefaultTimeout();
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323 GlobalParameters::GetInstance().GetDefaultProxy(proxy_);
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324 GlobalParameters::GetInstance().GetSslConfiguration(verifyPeers_, caCertificates_);
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325 }
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326
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327
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328 HttpClient::HttpClient() :
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329 pimpl_(new PImpl),
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330 verifyPeers_(true),
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331 pkcs11Enabled_(false),
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11
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332 headersToLowerCase_(true),
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333 redirectionFollowed_(true)
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1
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334 {
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335 Setup();
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336 }
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337
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338
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339 HttpClient::HttpClient(const WebServiceParameters& service,
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340 const std::string& uri) :
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341 pimpl_(new PImpl),
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342 verifyPeers_(true),
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11
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343 headersToLowerCase_(true),
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344 redirectionFollowed_(true)
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1
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345 {
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346 Setup();
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347
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348 if (service.GetUsername().size() != 0 &&
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349 service.GetPassword().size() != 0)
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350 {
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351 SetCredentials(service.GetUsername().c_str(),
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352 service.GetPassword().c_str());
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353 }
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354
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355 if (!service.GetCertificateFile().empty())
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356 {
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357 SetClientCertificate(service.GetCertificateFile(),
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358 service.GetCertificateKeyFile(),
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359 service.GetCertificateKeyPassword());
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360 }
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361
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362 SetPkcs11Enabled(service.IsPkcs11Enabled());
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363
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364 SetUrl(service.GetUrl() + uri);
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365 }
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366
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367
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368 HttpClient::~HttpClient()
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369 {
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370 curl_easy_cleanup(pimpl_->curl_);
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371 curl_slist_free_all(pimpl_->defaultPostHeaders_);
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372 ClearHeaders();
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373 }
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374
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375
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376 void HttpClient::SetVerbose(bool isVerbose)
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377 {
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378 isVerbose_ = isVerbose;
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379
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380 if (isVerbose_)
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381 {
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382 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_VERBOSE, 1));
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383 }
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384 else
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385 {
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386 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_VERBOSE, 0));
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387 }
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388 }
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389
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390
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391 void HttpClient::AddHeader(const std::string& key,
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392 const std::string& value)
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393 {
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394 if (key.empty())
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395 {
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396 throw OrthancException(ErrorCode_ParameterOutOfRange);
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397 }
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398
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399 std::string s = key + ": " + value;
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400
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401 if ((pimpl_->userHeaders_ = curl_slist_append(pimpl_->userHeaders_, s.c_str())) == NULL)
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402 {
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403 throw OrthancException(ErrorCode_NotEnoughMemory);
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404 }
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405 }
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406
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407
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408 void HttpClient::ClearHeaders()
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409 {
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410 if (pimpl_->userHeaders_ != NULL)
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411 {
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412 curl_slist_free_all(pimpl_->userHeaders_);
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413 pimpl_->userHeaders_ = NULL;
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414 }
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415 }
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416
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417
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418 bool HttpClient::ApplyInternal(std::string& answerBody,
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419 HttpHeaders* answerHeaders)
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420 {
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421 answerBody.clear();
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422 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_URL, url_.c_str()));
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423
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424 CurlHeaderParameters headerParameters;
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425
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426 if (answerHeaders == NULL)
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427 {
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428 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_HEADERFUNCTION, NULL));
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429 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_HEADERDATA, NULL));
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430 }
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431 else
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432 {
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433 headerParameters.lowerCase_ = headersToLowerCase_;
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434 headerParameters.headers_ = answerHeaders;
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435 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_HEADERFUNCTION, &CurlHeaderCallback));
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436 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_HEADERDATA, &headerParameters));
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437 }
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438
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12
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439 #if ORTHANC_ENABLE_SSL == 1
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1
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440 // Setup HTTPS-related options
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441
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442 if (verifyPeers_)
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443 {
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|
|
444 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_CAINFO, caCertificates_.c_str()));
|
|
|
445 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_SSL_VERIFYHOST, 2)); // libcurl default is strict verifyhost
|
|
|
446 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_SSL_VERIFYPEER, 1));
|
|
|
447 }
|
|
|
448 else
|
|
|
449 {
|
|
|
450 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_SSL_VERIFYHOST, 0));
|
|
|
451 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_SSL_VERIFYPEER, 0));
|
|
|
452 }
|
|
|
453 #endif
|
|
|
454
|
|
|
455 // Setup the HTTPS client certificate
|
|
|
456 if (!clientCertificateFile_.empty() &&
|
|
|
457 pkcs11Enabled_)
|
|
|
458 {
|
|
|
459 LOG(ERROR) << "Cannot enable both client certificates and PKCS#11 authentication";
|
|
|
460 throw OrthancException(ErrorCode_ParameterOutOfRange);
|
|
|
461 }
|
|
|
462
|
|
|
463 if (pkcs11Enabled_)
|
|
|
464 {
|
|
12
|
465 #if ORTHANC_ENABLE_PKCS11 == 1
|
|
1
|
466 if (GlobalParameters::GetInstance().IsPkcs11Initialized())
|
|
|
467 {
|
|
|
468 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_SSLENGINE, Pkcs11::GetEngineIdentifier()));
|
|
|
469 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_SSLKEYTYPE, "ENG"));
|
|
|
470 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_SSLCERTTYPE, "ENG"));
|
|
|
471 }
|
|
|
472 else
|
|
|
473 {
|
|
|
474 LOG(ERROR) << "Cannot use PKCS#11 for a HTTPS request, because it has not been initialized";
|
|
|
475 throw OrthancException(ErrorCode_BadSequenceOfCalls);
|
|
|
476 }
|
|
|
477 #else
|
|
|
478 LOG(ERROR) << "This version of Orthanc is compiled without support for PKCS#11";
|
|
|
479 throw OrthancException(ErrorCode_InternalError);
|
|
|
480 #endif
|
|
|
481 }
|
|
|
482 else if (!clientCertificateFile_.empty())
|
|
|
483 {
|
|
12
|
484 #if ORTHANC_ENABLE_SSL == 1
|
|
1
|
485 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_SSLCERTTYPE, "PEM"));
|
|
|
486 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_SSLCERT, clientCertificateFile_.c_str()));
|
|
|
487
|
|
|
488 if (!clientCertificateKeyPassword_.empty())
|
|
|
489 {
|
|
|
490 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_KEYPASSWD, clientCertificateKeyPassword_.c_str()));
|
|
|
491 }
|
|
|
492
|
|
|
493 // NB: If no "clientKeyFile_" is provided, the key must be
|
|
|
494 // prepended to the certificate file
|
|
|
495 if (!clientCertificateKeyFile_.empty())
|
|
|
496 {
|
|
|
497 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_SSLKEYTYPE, "PEM"));
|
|
|
498 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_SSLKEY, clientCertificateKeyFile_.c_str()));
|
|
|
499 }
|
|
|
500 #else
|
|
|
501 LOG(ERROR) << "This version of Orthanc is compiled without OpenSSL support, cannot use HTTPS client authentication";
|
|
|
502 throw OrthancException(ErrorCode_InternalError);
|
|
|
503 #endif
|
|
|
504 }
|
|
|
505
|
|
|
506 // Reset the parameters from previous calls to Apply()
|
|
|
507 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_HTTPHEADER, pimpl_->userHeaders_));
|
|
|
508 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_HTTPGET, 0L));
|
|
|
509 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_POST, 0L));
|
|
|
510 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_NOBODY, 0L));
|
|
|
511 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_CUSTOMREQUEST, NULL));
|
|
|
512 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_POSTFIELDS, NULL));
|
|
|
513 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_POSTFIELDSIZE, 0L));
|
|
|
514 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_PROXY, NULL));
|
|
|
515
|
|
|
516 if (redirectionFollowed_)
|
|
|
517 {
|
|
|
518 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_FOLLOWLOCATION, 1L));
|
|
|
519 }
|
|
|
520 else
|
|
|
521 {
|
|
|
522 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_FOLLOWLOCATION, 0L));
|
|
|
523 }
|
|
|
524
|
|
|
525 // Set timeouts
|
|
|
526 if (timeout_ <= 0)
|
|
|
527 {
|
|
|
528 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_TIMEOUT, 10)); /* default: 10 seconds */
|
|
|
529 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_CONNECTTIMEOUT, 10)); /* default: 10 seconds */
|
|
|
530 }
|
|
|
531 else
|
|
|
532 {
|
|
|
533 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_TIMEOUT, timeout_));
|
|
|
534 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_CONNECTTIMEOUT, timeout_));
|
|
|
535 }
|
|
|
536
|
|
|
537 if (credentials_.size() != 0)
|
|
|
538 {
|
|
|
539 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_USERPWD, credentials_.c_str()));
|
|
|
540 }
|
|
|
541
|
|
|
542 if (proxy_.size() != 0)
|
|
|
543 {
|
|
|
544 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_PROXY, proxy_.c_str()));
|
|
|
545 }
|
|
|
546
|
|
|
547 switch (method_)
|
|
|
548 {
|
|
|
549 case HttpMethod_Get:
|
|
|
550 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_HTTPGET, 1L));
|
|
|
551 break;
|
|
|
552
|
|
|
553 case HttpMethod_Post:
|
|
|
554 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_POST, 1L));
|
|
|
555
|
|
|
556 if (pimpl_->userHeaders_ == NULL)
|
|
|
557 {
|
|
|
558 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_HTTPHEADER, pimpl_->defaultPostHeaders_));
|
|
|
559 }
|
|
|
560
|
|
|
561 break;
|
|
|
562
|
|
|
563 case HttpMethod_Delete:
|
|
|
564 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_NOBODY, 1L));
|
|
|
565 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_CUSTOMREQUEST, "DELETE"));
|
|
|
566 break;
|
|
|
567
|
|
|
568 case HttpMethod_Put:
|
|
|
569 // http://stackoverflow.com/a/7570281/881731: Don't use
|
|
|
570 // CURLOPT_PUT if there is a body
|
|
|
571
|
|
|
572 // CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_PUT, 1L));
|
|
|
573
|
|
|
574 curl_easy_setopt(pimpl_->curl_, CURLOPT_CUSTOMREQUEST, "PUT"); /* !!! */
|
|
|
575
|
|
|
576 if (pimpl_->userHeaders_ == NULL)
|
|
|
577 {
|
|
|
578 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_HTTPHEADER, pimpl_->defaultPostHeaders_));
|
|
|
579 }
|
|
|
580
|
|
|
581 break;
|
|
|
582
|
|
|
583 default:
|
|
|
584 throw OrthancException(ErrorCode_InternalError);
|
|
|
585 }
|
|
|
586
|
|
|
587
|
|
|
588 if (method_ == HttpMethod_Post ||
|
|
|
589 method_ == HttpMethod_Put)
|
|
|
590 {
|
|
|
591 if (body_.size() > 0)
|
|
|
592 {
|
|
|
593 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_POSTFIELDS, body_.c_str()));
|
|
|
594 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_POSTFIELDSIZE, body_.size()));
|
|
|
595 }
|
|
|
596 else
|
|
|
597 {
|
|
|
598 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_POSTFIELDS, NULL));
|
|
|
599 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_POSTFIELDSIZE, 0));
|
|
|
600 }
|
|
|
601 }
|
|
|
602
|
|
|
603
|
|
|
604 // Do the actual request
|
|
|
605 CURLcode code;
|
|
|
606 long status = 0;
|
|
|
607
|
|
|
608 ChunkedBuffer buffer;
|
|
|
609 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_WRITEDATA, &buffer));
|
|
|
610
|
|
|
611 if (boost::starts_with(url_, "https://"))
|
|
|
612 {
|
|
|
613 code = OrthancHttpClientPerformSSL(pimpl_->curl_, &status);
|
|
|
614 }
|
|
|
615 else
|
|
|
616 {
|
|
|
617 code = GetHttpStatus(curl_easy_perform(pimpl_->curl_), pimpl_->curl_, &status);
|
|
|
618 }
|
|
|
619
|
|
|
620 CheckCode(code);
|
|
|
621
|
|
|
622 if (status == 0)
|
|
|
623 {
|
|
|
624 // This corresponds to a call to an inexistent host
|
|
|
625 lastStatus_ = HttpStatus_500_InternalServerError;
|
|
|
626 }
|
|
|
627 else
|
|
|
628 {
|
|
|
629 lastStatus_ = static_cast<HttpStatus>(status);
|
|
|
630 }
|
|
|
631
|
|
|
632 bool success = (status >= 200 && status < 300);
|
|
|
633
|
|
|
634 if (success)
|
|
|
635 {
|
|
|
636 buffer.Flatten(answerBody);
|
|
|
637 }
|
|
|
638 else
|
|
|
639 {
|
|
|
640 answerBody.clear();
|
|
|
641 LOG(INFO) << "Error in HTTP request, received HTTP status " << status
|
|
|
642 << " (" << EnumerationToString(lastStatus_) << ")";
|
|
|
643 }
|
|
|
644
|
|
|
645 return success;
|
|
|
646 }
|
|
|
647
|
|
|
648
|
|
|
649 bool HttpClient::ApplyInternal(Json::Value& answerBody,
|
|
|
650 HttpClient::HttpHeaders* answerHeaders)
|
|
|
651 {
|
|
|
652 std::string s;
|
|
|
653 if (ApplyInternal(s, answerHeaders))
|
|
|
654 {
|
|
|
655 Json::Reader reader;
|
|
|
656 return reader.parse(s, answerBody);
|
|
|
657 }
|
|
|
658 else
|
|
|
659 {
|
|
|
660 return false;
|
|
|
661 }
|
|
|
662 }
|
|
|
663
|
|
|
664
|
|
|
665 void HttpClient::SetCredentials(const char* username,
|
|
|
666 const char* password)
|
|
|
667 {
|
|
|
668 credentials_ = std::string(username) + ":" + std::string(password);
|
|
|
669 }
|
|
|
670
|
|
|
671
|
|
|
672 void HttpClient::ConfigureSsl(bool httpsVerifyPeers,
|
|
|
673 const std::string& httpsVerifyCertificates)
|
|
|
674 {
|
|
12
|
675 #if ORTHANC_ENABLE_SSL == 1
|
|
1
|
676 if (httpsVerifyPeers)
|
|
|
677 {
|
|
|
678 if (httpsVerifyCertificates.empty())
|
|
|
679 {
|
|
|
680 LOG(WARNING) << "No certificates are provided to validate peers, "
|
|
|
681 << "set \"HttpsCACertificates\" if you need to do HTTPS requests";
|
|
|
682 }
|
|
|
683 else
|
|
|
684 {
|
|
|
685 LOG(WARNING) << "HTTPS will use the CA certificates from this file: " << httpsVerifyCertificates;
|
|
|
686 }
|
|
|
687 }
|
|
|
688 else
|
|
|
689 {
|
|
|
690 LOG(WARNING) << "The verification of the peers in HTTPS requests is disabled";
|
|
|
691 }
|
|
|
692 #endif
|
|
|
693
|
|
|
694 GlobalParameters::GetInstance().ConfigureSsl(httpsVerifyPeers, httpsVerifyCertificates);
|
|
|
695 }
|
|
|
696
|
|
|
697
|
|
|
698 void HttpClient::GlobalInitialize()
|
|
|
699 {
|
|
12
|
700 #if ORTHANC_ENABLE_SSL == 1
|
|
1
|
701 CheckCode(curl_global_init(CURL_GLOBAL_ALL));
|
|
|
702 #else
|
|
|
703 CheckCode(curl_global_init(CURL_GLOBAL_ALL & ~CURL_GLOBAL_SSL));
|
|
|
704 #endif
|
|
|
705 }
|
|
|
706
|
|
|
707
|
|
|
708 void HttpClient::GlobalFinalize()
|
|
|
709 {
|
|
|
710 curl_global_cleanup();
|
|
|
711
|
|
12
|
712 #if ORTHANC_ENABLE_PKCS11 == 1
|
|
1
|
713 Pkcs11::Finalize();
|
|
|
714 #endif
|
|
|
715 }
|
|
|
716
|
|
|
717
|
|
|
718 void HttpClient::SetDefaultProxy(const std::string& proxy)
|
|
|
719 {
|
|
|
720 GlobalParameters::GetInstance().SetDefaultProxy(proxy);
|
|
|
721 }
|
|
|
722
|
|
|
723
|
|
|
724 void HttpClient::SetDefaultTimeout(long timeout)
|
|
|
725 {
|
|
|
726 GlobalParameters::GetInstance().SetDefaultTimeout(timeout);
|
|
|
727 }
|
|
|
728
|
|
|
729
|
|
|
730 void HttpClient::ApplyAndThrowException(std::string& answerBody)
|
|
|
731 {
|
|
|
732 if (!Apply(answerBody))
|
|
|
733 {
|
|
|
734 ThrowException(GetLastStatus());
|
|
|
735 }
|
|
|
736 }
|
|
|
737
|
|
|
738
|
|
|
739 void HttpClient::ApplyAndThrowException(Json::Value& answerBody)
|
|
|
740 {
|
|
|
741 if (!Apply(answerBody))
|
|
|
742 {
|
|
|
743 ThrowException(GetLastStatus());
|
|
|
744 }
|
|
|
745 }
|
|
|
746
|
|
|
747
|
|
|
748 void HttpClient::ApplyAndThrowException(std::string& answerBody,
|
|
|
749 HttpHeaders& answerHeaders)
|
|
|
750 {
|
|
|
751 if (!Apply(answerBody, answerHeaders))
|
|
|
752 {
|
|
|
753 ThrowException(GetLastStatus());
|
|
|
754 }
|
|
|
755 }
|
|
|
756
|
|
|
757
|
|
|
758 void HttpClient::ApplyAndThrowException(Json::Value& answerBody,
|
|
|
759 HttpHeaders& answerHeaders)
|
|
|
760 {
|
|
|
761 if (!Apply(answerBody, answerHeaders))
|
|
|
762 {
|
|
|
763 ThrowException(GetLastStatus());
|
|
|
764 }
|
|
|
765 }
|
|
|
766
|
|
|
767
|
|
|
768 void HttpClient::SetClientCertificate(const std::string& certificateFile,
|
|
|
769 const std::string& certificateKeyFile,
|
|
|
770 const std::string& certificateKeyPassword)
|
|
|
771 {
|
|
|
772 if (certificateFile.empty())
|
|
|
773 {
|
|
|
774 throw OrthancException(ErrorCode_ParameterOutOfRange);
|
|
|
775 }
|
|
|
776
|
|
15
|
777 if (!SystemToolbox::IsRegularFile(certificateFile))
|
|
1
|
778 {
|
|
|
779 LOG(ERROR) << "Cannot open certificate file: " << certificateFile;
|
|
|
780 throw OrthancException(ErrorCode_InexistentFile);
|
|
|
781 }
|
|
|
782
|
|
|
783 if (!certificateKeyFile.empty() &&
|
|
15
|
784 !SystemToolbox::IsRegularFile(certificateKeyFile))
|
|
1
|
785 {
|
|
|
786 LOG(ERROR) << "Cannot open key file: " << certificateKeyFile;
|
|
|
787 throw OrthancException(ErrorCode_InexistentFile);
|
|
|
788 }
|
|
|
789
|
|
|
790 clientCertificateFile_ = certificateFile;
|
|
|
791 clientCertificateKeyFile_ = certificateKeyFile;
|
|
|
792 clientCertificateKeyPassword_ = certificateKeyPassword;
|
|
|
793 }
|
|
|
794
|
|
|
795
|
|
|
796 void HttpClient::InitializePkcs11(const std::string& module,
|
|
|
797 const std::string& pin,
|
|
|
798 bool verbose)
|
|
|
799 {
|
|
12
|
800 #if ORTHANC_ENABLE_PKCS11 == 1
|
|
1
|
801 LOG(INFO) << "Initializing PKCS#11 using " << module
|
|
|
802 << (pin.empty() ? " (no PIN provided)" : " (PIN is provided)");
|
|
|
803 GlobalParameters::GetInstance().InitializePkcs11(module, pin, verbose);
|
|
|
804 #else
|
|
|
805 LOG(ERROR) << "This version of Orthanc is compiled without support for PKCS#11";
|
|
|
806 throw OrthancException(ErrorCode_InternalError);
|
|
|
807 #endif
|
|
|
808 }
|
|
|
809
|
|
|
810
|
|
|
811 void HttpClient::InitializeOpenSsl()
|
|
|
812 {
|
|
12
|
813 #if ORTHANC_ENABLE_SSL == 1
|
|
1
|
814 // https://wiki.openssl.org/index.php/Library_Initialization
|
|
|
815 SSL_library_init();
|
|
|
816 SSL_load_error_strings();
|
|
|
817 OpenSSL_add_all_algorithms();
|
|
|
818 ERR_load_crypto_strings();
|
|
|
819 #endif
|
|
|
820 }
|
|
|
821
|
|
|
822
|
|
|
823 void HttpClient::FinalizeOpenSsl()
|
|
|
824 {
|
|
12
|
825 #if ORTHANC_ENABLE_SSL == 1
|
|
1
|
826 // Finalize OpenSSL
|
|
|
827 // https://wiki.openssl.org/index.php/Library_Initialization#Cleanup
|
|
|
828 FIPS_mode_set(0);
|
|
|
829 ENGINE_cleanup();
|
|
|
830 CONF_modules_unload(1);
|
|
|
831 EVP_cleanup();
|
|
|
832 CRYPTO_cleanup_all_ex_data();
|
|
|
833 ERR_remove_state(0);
|
|
|
834 ERR_free_strings();
|
|
|
835 #endif
|
|
|
836 }
|
|
|
837 }
|
