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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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40
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41 #include <string.h>
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42 #include <curl/curl.h>
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43 #include <boost/algorithm/string/predicate.hpp>
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44 #include <boost/thread/mutex.hpp>
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45
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46
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47 #if ORTHANC_SSL_ENABLED == 1
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48 // For OpenSSL initialization and finalization
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49 # include <openssl/conf.h>
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50 # include <openssl/engine.h>
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51 # include <openssl/err.h>
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52 # include <openssl/evp.h>
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53 # include <openssl/ssl.h>
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54 #endif
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55
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56
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57 #if ORTHANC_PKCS11_ENABLED == 1
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58 # include "Pkcs11.h"
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59 #endif
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60
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61
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62 extern "C"
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63 {
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64 static CURLcode GetHttpStatus(CURLcode code, CURL* curl, long* status)
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65 {
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66 if (code == CURLE_OK)
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67 {
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68 code = curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, status);
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69 return code;
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70 }
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71 else
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72 {
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73 *status = 0;
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74 return code;
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75 }
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76 }
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77
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78 // This is a dummy wrapper function to suppress any OpenSSL-related
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79 // problem in valgrind. Inlining is prevented.
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80 #if defined(__GNUC__) || defined(__clang__)
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81 __attribute__((noinline))
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82 #endif
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83 static CURLcode OrthancHttpClientPerformSSL(CURL* curl, long* status)
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84 {
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85 return GetHttpStatus(curl_easy_perform(curl), curl, status);
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86 }
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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 namespace Orthanc
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92 {
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93 class HttpClient::GlobalParameters
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94 {
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95 private:
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96 boost::mutex mutex_;
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97 bool httpsVerifyPeers_;
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98 std::string httpsCACertificates_;
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99 std::string proxy_;
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100 long timeout_;
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101
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102 GlobalParameters() :
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103 httpsVerifyPeers_(true),
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104 timeout_(0)
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105 {
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106 }
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107
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108 public:
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109 // Singleton pattern
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110 static GlobalParameters& GetInstance()
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111 {
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112 static GlobalParameters parameters;
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113 return parameters;
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114 }
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115
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116 void ConfigureSsl(bool httpsVerifyPeers,
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117 const std::string& httpsCACertificates)
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118 {
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119 boost::mutex::scoped_lock lock(mutex_);
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120 httpsVerifyPeers_ = httpsVerifyPeers;
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121 httpsCACertificates_ = httpsCACertificates;
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122 }
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123
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124 void GetSslConfiguration(bool& httpsVerifyPeers,
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125 std::string& httpsCACertificates)
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126 {
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127 boost::mutex::scoped_lock lock(mutex_);
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128 httpsVerifyPeers = httpsVerifyPeers_;
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129 httpsCACertificates = httpsCACertificates_;
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130 }
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131
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132 void SetDefaultProxy(const std::string& proxy)
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133 {
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134 LOG(INFO) << "Setting the default proxy for HTTP client connections: " << proxy;
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135
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136 {
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137 boost::mutex::scoped_lock lock(mutex_);
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138 proxy_ = proxy;
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139 }
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140 }
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141
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142 void GetDefaultProxy(std::string& target)
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143 {
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144 boost::mutex::scoped_lock lock(mutex_);
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145 target = proxy_;
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146 }
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147
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148 void SetDefaultTimeout(long seconds)
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149 {
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150 LOG(INFO) << "Setting the default timeout for HTTP client connections: " << seconds << " seconds";
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151
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152 {
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153 boost::mutex::scoped_lock lock(mutex_);
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154 timeout_ = seconds;
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155 }
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156 }
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157
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158 long GetDefaultTimeout()
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159 {
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160 boost::mutex::scoped_lock lock(mutex_);
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161 return timeout_;
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162 }
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163
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164 #if ORTHANC_PKCS11_ENABLED == 1
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165 bool IsPkcs11Initialized()
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166 {
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167 boost::mutex::scoped_lock lock(mutex_);
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168 return Pkcs11::IsInitialized();
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169 }
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170
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171 void InitializePkcs11(const std::string& module,
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172 const std::string& pin,
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173 bool verbose)
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174 {
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175 boost::mutex::scoped_lock lock(mutex_);
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176 Pkcs11::Initialize(module, pin, verbose);
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177 }
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178 #endif
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179 };
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180
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181
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182 struct HttpClient::PImpl
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183 {
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184 CURL* curl_;
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185 struct curl_slist *defaultPostHeaders_;
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186 struct curl_slist *userHeaders_;
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187 };
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188
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189
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190 static void ThrowException(HttpStatus status)
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191 {
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192 switch (status)
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193 {
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194 case HttpStatus_400_BadRequest:
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195 throw OrthancException(ErrorCode_BadRequest);
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196
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197 case HttpStatus_401_Unauthorized:
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198 case HttpStatus_403_Forbidden:
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199 throw OrthancException(ErrorCode_Unauthorized);
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200
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201 case HttpStatus_404_NotFound:
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202 throw OrthancException(ErrorCode_UnknownResource);
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203
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204 default:
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205 throw OrthancException(ErrorCode_NetworkProtocol);
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206 }
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207 }
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208
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209
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210 static CURLcode CheckCode(CURLcode code)
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211 {
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212 if (code == CURLE_NOT_BUILT_IN)
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213 {
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214 LOG(ERROR) << "Your libcurl does not contain a required feature, "
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215 << "please recompile Orthanc with -DUSE_SYSTEM_CURL=OFF";
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216 throw OrthancException(ErrorCode_InternalError);
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217 }
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218
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219 if (code != CURLE_OK)
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220 {
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221 LOG(ERROR) << "libCURL error: " + std::string(curl_easy_strerror(code));
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222 throw OrthancException(ErrorCode_NetworkProtocol);
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223 }
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224
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225 return code;
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226 }
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227
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228
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229 static size_t CurlBodyCallback(void *buffer, size_t size, size_t nmemb, void *payload)
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230 {
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231 ChunkedBuffer& target = *(static_cast<ChunkedBuffer*>(payload));
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232
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233 size_t length = size * nmemb;
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234 if (length == 0)
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235 {
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236 return 0;
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237 }
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238 else
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239 {
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240 target.AddChunk(buffer, length);
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241 return length;
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242 }
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243 }
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244
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245
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246 struct CurlHeaderParameters
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247 {
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248 bool lowerCase_;
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249 HttpClient::HttpHeaders* headers_;
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250 };
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251
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252
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253 static size_t CurlHeaderCallback(void *buffer, size_t size, size_t nmemb, void *payload)
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254 {
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255 CurlHeaderParameters& parameters = *(static_cast<CurlHeaderParameters*>(payload));
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256 assert(parameters.headers_ != NULL);
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257
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258 size_t length = size * nmemb;
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259 if (length == 0)
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260 {
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261 return 0;
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262 }
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263 else
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264 {
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265 std::string s(reinterpret_cast<const char*>(buffer), length);
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266 std::size_t colon = s.find(':');
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267 std::size_t eol = s.find("\r\n");
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268 if (colon != std::string::npos &&
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269 eol != std::string::npos)
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270 {
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271 std::string tmp(s.substr(0, colon));
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272
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273 if (parameters.lowerCase_)
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274 {
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275 Toolbox::ToLowerCase(tmp);
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276 }
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277
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278 std::string key = Toolbox::StripSpaces(tmp);
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279
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280 if (!key.empty())
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281 {
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282 std::string value = Toolbox::StripSpaces(s.substr(colon + 1, eol));
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283 (*parameters.headers_) [key] = value;
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284 }
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285 }
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286
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287 return length;
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288 }
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289 }
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290
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291
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292 void HttpClient::Setup()
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293 {
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294 pimpl_->userHeaders_ = NULL;
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295 pimpl_->defaultPostHeaders_ = NULL;
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296 if ((pimpl_->defaultPostHeaders_ = curl_slist_append(pimpl_->defaultPostHeaders_, "Expect:")) == NULL)
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297 {
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298 throw OrthancException(ErrorCode_NotEnoughMemory);
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299 }
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300
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301 pimpl_->curl_ = curl_easy_init();
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302 if (!pimpl_->curl_)
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303 {
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304 curl_slist_free_all(pimpl_->defaultPostHeaders_);
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305 throw OrthancException(ErrorCode_NotEnoughMemory);
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306 }
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307
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308 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_WRITEFUNCTION, &CurlBodyCallback));
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309 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_HEADER, 0));
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310 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_FOLLOWLOCATION, 1));
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311
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312 // This fixes the "longjmp causes uninitialized stack frame" crash
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313 // that happens on modern Linux versions.
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314 // http://stackoverflow.com/questions/9191668/error-longjmp-causes-uninitialized-stack-frame
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315 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_NOSIGNAL, 1));
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316
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317 url_ = "";
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318 method_ = HttpMethod_Get;
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319 lastStatus_ = HttpStatus_200_Ok;
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320 isVerbose_ = false;
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321 timeout_ = GlobalParameters::GetInstance().GetDefaultTimeout();
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322 GlobalParameters::GetInstance().GetDefaultProxy(proxy_);
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323 GlobalParameters::GetInstance().GetSslConfiguration(verifyPeers_, caCertificates_);
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324 }
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325
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326
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327 HttpClient::HttpClient() :
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328 pimpl_(new PImpl),
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329 verifyPeers_(true),
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330 pkcs11Enabled_(false),
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331 headersToLowerCase_(true)
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332 {
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333 Setup();
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334 }
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335
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336
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337 HttpClient::HttpClient(const WebServiceParameters& service,
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338 const std::string& uri) :
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339 pimpl_(new PImpl),
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340 verifyPeers_(true),
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341 headersToLowerCase_(true)
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342 {
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343 Setup();
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344
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345 if (service.GetUsername().size() != 0 &&
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346 service.GetPassword().size() != 0)
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347 {
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348 SetCredentials(service.GetUsername().c_str(),
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349 service.GetPassword().c_str());
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350 }
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351
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352 if (!service.GetCertificateFile().empty())
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353 {
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354 SetClientCertificate(service.GetCertificateFile(),
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355 service.GetCertificateKeyFile(),
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356 service.GetCertificateKeyPassword());
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357 }
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358
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359 SetPkcs11Enabled(service.IsPkcs11Enabled());
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360
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361 SetUrl(service.GetUrl() + uri);
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362 }
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363
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364
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365 HttpClient::~HttpClient()
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366 {
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367 curl_easy_cleanup(pimpl_->curl_);
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368 curl_slist_free_all(pimpl_->defaultPostHeaders_);
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369 ClearHeaders();
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370 }
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371
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372
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373 void HttpClient::SetVerbose(bool isVerbose)
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374 {
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375 isVerbose_ = isVerbose;
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376
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377 if (isVerbose_)
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378 {
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379 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_VERBOSE, 1));
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380 }
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381 else
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382 {
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383 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_VERBOSE, 0));
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384 }
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385 }
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386
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387
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388 void HttpClient::AddHeader(const std::string& key,
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389 const std::string& value)
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390 {
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391 if (key.empty())
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392 {
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393 throw OrthancException(ErrorCode_ParameterOutOfRange);
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394 }
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395
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396 std::string s = key + ": " + value;
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397
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398 if ((pimpl_->userHeaders_ = curl_slist_append(pimpl_->userHeaders_, s.c_str())) == NULL)
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399 {
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400 throw OrthancException(ErrorCode_NotEnoughMemory);
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401 }
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402 }
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403
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404
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405 void HttpClient::ClearHeaders()
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406 {
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407 if (pimpl_->userHeaders_ != NULL)
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408 {
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409 curl_slist_free_all(pimpl_->userHeaders_);
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410 pimpl_->userHeaders_ = NULL;
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411 }
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412 }
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413
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414
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415 bool HttpClient::ApplyInternal(std::string& answerBody,
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416 HttpHeaders* answerHeaders)
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417 {
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418 answerBody.clear();
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419 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_URL, url_.c_str()));
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420
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421 CurlHeaderParameters headerParameters;
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422
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423 if (answerHeaders == NULL)
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424 {
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425 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_HEADERFUNCTION, NULL));
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426 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_HEADERDATA, NULL));
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427 }
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428 else
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429 {
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430 headerParameters.lowerCase_ = headersToLowerCase_;
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431 headerParameters.headers_ = answerHeaders;
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432 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_HEADERFUNCTION, &CurlHeaderCallback));
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433 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_HEADERDATA, &headerParameters));
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434 }
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435
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436 #if ORTHANC_SSL_ENABLED == 1
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437 // Setup HTTPS-related options
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438
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439 if (verifyPeers_)
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440 {
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441 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_CAINFO, caCertificates_.c_str()));
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442 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_SSL_VERIFYHOST, 2)); // libcurl default is strict verifyhost
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443 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_SSL_VERIFYPEER, 1));
|
|
|
444 }
|
|
|
445 else
|
|
|
446 {
|
|
|
447 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_SSL_VERIFYHOST, 0));
|
|
|
448 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_SSL_VERIFYPEER, 0));
|
|
|
449 }
|
|
|
450 #endif
|
|
|
451
|
|
|
452 // Setup the HTTPS client certificate
|
|
|
453 if (!clientCertificateFile_.empty() &&
|
|
|
454 pkcs11Enabled_)
|
|
|
455 {
|
|
|
456 LOG(ERROR) << "Cannot enable both client certificates and PKCS#11 authentication";
|
|
|
457 throw OrthancException(ErrorCode_ParameterOutOfRange);
|
|
|
458 }
|
|
|
459
|
|
|
460 if (pkcs11Enabled_)
|
|
|
461 {
|
|
|
462 #if ORTHANC_PKCS11_ENABLED == 1
|
|
|
463 if (GlobalParameters::GetInstance().IsPkcs11Initialized())
|
|
|
464 {
|
|
|
465 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_SSLENGINE, Pkcs11::GetEngineIdentifier()));
|
|
|
466 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_SSLKEYTYPE, "ENG"));
|
|
|
467 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_SSLCERTTYPE, "ENG"));
|
|
|
468 }
|
|
|
469 else
|
|
|
470 {
|
|
|
471 LOG(ERROR) << "Cannot use PKCS#11 for a HTTPS request, because it has not been initialized";
|
|
|
472 throw OrthancException(ErrorCode_BadSequenceOfCalls);
|
|
|
473 }
|
|
|
474 #else
|
|
|
475 LOG(ERROR) << "This version of Orthanc is compiled without support for PKCS#11";
|
|
|
476 throw OrthancException(ErrorCode_InternalError);
|
|
|
477 #endif
|
|
|
478 }
|
|
|
479 else if (!clientCertificateFile_.empty())
|
|
|
480 {
|
|
|
481 #if ORTHANC_SSL_ENABLED == 1
|
|
|
482 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_SSLCERTTYPE, "PEM"));
|
|
|
483 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_SSLCERT, clientCertificateFile_.c_str()));
|
|
|
484
|
|
|
485 if (!clientCertificateKeyPassword_.empty())
|
|
|
486 {
|
|
|
487 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_KEYPASSWD, clientCertificateKeyPassword_.c_str()));
|
|
|
488 }
|
|
|
489
|
|
|
490 // NB: If no "clientKeyFile_" is provided, the key must be
|
|
|
491 // prepended to the certificate file
|
|
|
492 if (!clientCertificateKeyFile_.empty())
|
|
|
493 {
|
|
|
494 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_SSLKEYTYPE, "PEM"));
|
|
|
495 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_SSLKEY, clientCertificateKeyFile_.c_str()));
|
|
|
496 }
|
|
|
497 #else
|
|
|
498 LOG(ERROR) << "This version of Orthanc is compiled without OpenSSL support, cannot use HTTPS client authentication";
|
|
|
499 throw OrthancException(ErrorCode_InternalError);
|
|
|
500 #endif
|
|
|
501 }
|
|
|
502
|
|
|
503 // Reset the parameters from previous calls to Apply()
|
|
|
504 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_HTTPHEADER, pimpl_->userHeaders_));
|
|
|
505 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_HTTPGET, 0L));
|
|
|
506 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_POST, 0L));
|
|
|
507 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_NOBODY, 0L));
|
|
|
508 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_CUSTOMREQUEST, NULL));
|
|
|
509 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_POSTFIELDS, NULL));
|
|
|
510 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_POSTFIELDSIZE, 0L));
|
|
|
511 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_PROXY, NULL));
|
|
|
512
|
|
|
513 if (redirectionFollowed_)
|
|
|
514 {
|
|
|
515 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_FOLLOWLOCATION, 1L));
|
|
|
516 }
|
|
|
517 else
|
|
|
518 {
|
|
|
519 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_FOLLOWLOCATION, 0L));
|
|
|
520 }
|
|
|
521
|
|
|
522 // Set timeouts
|
|
|
523 if (timeout_ <= 0)
|
|
|
524 {
|
|
|
525 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_TIMEOUT, 10)); /* default: 10 seconds */
|
|
|
526 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_CONNECTTIMEOUT, 10)); /* default: 10 seconds */
|
|
|
527 }
|
|
|
528 else
|
|
|
529 {
|
|
|
530 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_TIMEOUT, timeout_));
|
|
|
531 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_CONNECTTIMEOUT, timeout_));
|
|
|
532 }
|
|
|
533
|
|
|
534 if (credentials_.size() != 0)
|
|
|
535 {
|
|
|
536 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_USERPWD, credentials_.c_str()));
|
|
|
537 }
|
|
|
538
|
|
|
539 if (proxy_.size() != 0)
|
|
|
540 {
|
|
|
541 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_PROXY, proxy_.c_str()));
|
|
|
542 }
|
|
|
543
|
|
|
544 switch (method_)
|
|
|
545 {
|
|
|
546 case HttpMethod_Get:
|
|
|
547 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_HTTPGET, 1L));
|
|
|
548 break;
|
|
|
549
|
|
|
550 case HttpMethod_Post:
|
|
|
551 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_POST, 1L));
|
|
|
552
|
|
|
553 if (pimpl_->userHeaders_ == NULL)
|
|
|
554 {
|
|
|
555 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_HTTPHEADER, pimpl_->defaultPostHeaders_));
|
|
|
556 }
|
|
|
557
|
|
|
558 break;
|
|
|
559
|
|
|
560 case HttpMethod_Delete:
|
|
|
561 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_NOBODY, 1L));
|
|
|
562 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_CUSTOMREQUEST, "DELETE"));
|
|
|
563 break;
|
|
|
564
|
|
|
565 case HttpMethod_Put:
|
|
|
566 // http://stackoverflow.com/a/7570281/881731: Don't use
|
|
|
567 // CURLOPT_PUT if there is a body
|
|
|
568
|
|
|
569 // CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_PUT, 1L));
|
|
|
570
|
|
|
571 curl_easy_setopt(pimpl_->curl_, CURLOPT_CUSTOMREQUEST, "PUT"); /* !!! */
|
|
|
572
|
|
|
573 if (pimpl_->userHeaders_ == NULL)
|
|
|
574 {
|
|
|
575 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_HTTPHEADER, pimpl_->defaultPostHeaders_));
|
|
|
576 }
|
|
|
577
|
|
|
578 break;
|
|
|
579
|
|
|
580 default:
|
|
|
581 throw OrthancException(ErrorCode_InternalError);
|
|
|
582 }
|
|
|
583
|
|
|
584
|
|
|
585 if (method_ == HttpMethod_Post ||
|
|
|
586 method_ == HttpMethod_Put)
|
|
|
587 {
|
|
|
588 if (body_.size() > 0)
|
|
|
589 {
|
|
|
590 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_POSTFIELDS, body_.c_str()));
|
|
|
591 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_POSTFIELDSIZE, body_.size()));
|
|
|
592 }
|
|
|
593 else
|
|
|
594 {
|
|
|
595 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_POSTFIELDS, NULL));
|
|
|
596 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_POSTFIELDSIZE, 0));
|
|
|
597 }
|
|
|
598 }
|
|
|
599
|
|
|
600
|
|
|
601 // Do the actual request
|
|
|
602 CURLcode code;
|
|
|
603 long status = 0;
|
|
|
604
|
|
|
605 ChunkedBuffer buffer;
|
|
|
606 CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_WRITEDATA, &buffer));
|
|
|
607
|
|
|
608 if (boost::starts_with(url_, "https://"))
|
|
|
609 {
|
|
|
610 code = OrthancHttpClientPerformSSL(pimpl_->curl_, &status);
|
|
|
611 }
|
|
|
612 else
|
|
|
613 {
|
|
|
614 code = GetHttpStatus(curl_easy_perform(pimpl_->curl_), pimpl_->curl_, &status);
|
|
|
615 }
|
|
|
616
|
|
|
617 CheckCode(code);
|
|
|
618
|
|
|
619 if (status == 0)
|
|
|
620 {
|
|
|
621 // This corresponds to a call to an inexistent host
|
|
|
622 lastStatus_ = HttpStatus_500_InternalServerError;
|
|
|
623 }
|
|
|
624 else
|
|
|
625 {
|
|
|
626 lastStatus_ = static_cast<HttpStatus>(status);
|
|
|
627 }
|
|
|
628
|
|
|
629 bool success = (status >= 200 && status < 300);
|
|
|
630
|
|
|
631 if (success)
|
|
|
632 {
|
|
|
633 buffer.Flatten(answerBody);
|
|
|
634 }
|
|
|
635 else
|
|
|
636 {
|
|
|
637 answerBody.clear();
|
|
|
638 LOG(INFO) << "Error in HTTP request, received HTTP status " << status
|
|
|
639 << " (" << EnumerationToString(lastStatus_) << ")";
|
|
|
640 }
|
|
|
641
|
|
|
642 return success;
|
|
|
643 }
|
|
|
644
|
|
|
645
|
|
|
646 bool HttpClient::ApplyInternal(Json::Value& answerBody,
|
|
|
647 HttpClient::HttpHeaders* answerHeaders)
|
|
|
648 {
|
|
|
649 std::string s;
|
|
|
650 if (ApplyInternal(s, answerHeaders))
|
|
|
651 {
|
|
|
652 Json::Reader reader;
|
|
|
653 return reader.parse(s, answerBody);
|
|
|
654 }
|
|
|
655 else
|
|
|
656 {
|
|
|
657 return false;
|
|
|
658 }
|
|
|
659 }
|
|
|
660
|
|
|
661
|
|
|
662 void HttpClient::SetCredentials(const char* username,
|
|
|
663 const char* password)
|
|
|
664 {
|
|
|
665 credentials_ = std::string(username) + ":" + std::string(password);
|
|
|
666 }
|
|
|
667
|
|
|
668
|
|
|
669 void HttpClient::ConfigureSsl(bool httpsVerifyPeers,
|
|
|
670 const std::string& httpsVerifyCertificates)
|
|
|
671 {
|
|
|
672 #if ORTHANC_SSL_ENABLED == 1
|
|
|
673 if (httpsVerifyPeers)
|
|
|
674 {
|
|
|
675 if (httpsVerifyCertificates.empty())
|
|
|
676 {
|
|
|
677 LOG(WARNING) << "No certificates are provided to validate peers, "
|
|
|
678 << "set \"HttpsCACertificates\" if you need to do HTTPS requests";
|
|
|
679 }
|
|
|
680 else
|
|
|
681 {
|
|
|
682 LOG(WARNING) << "HTTPS will use the CA certificates from this file: " << httpsVerifyCertificates;
|
|
|
683 }
|
|
|
684 }
|
|
|
685 else
|
|
|
686 {
|
|
|
687 LOG(WARNING) << "The verification of the peers in HTTPS requests is disabled";
|
|
|
688 }
|
|
|
689 #endif
|
|
|
690
|
|
|
691 GlobalParameters::GetInstance().ConfigureSsl(httpsVerifyPeers, httpsVerifyCertificates);
|
|
|
692 }
|
|
|
693
|
|
|
694
|
|
|
695 void HttpClient::GlobalInitialize()
|
|
|
696 {
|
|
|
697 #if ORTHANC_SSL_ENABLED == 1
|
|
|
698 CheckCode(curl_global_init(CURL_GLOBAL_ALL));
|
|
|
699 #else
|
|
|
700 CheckCode(curl_global_init(CURL_GLOBAL_ALL & ~CURL_GLOBAL_SSL));
|
|
|
701 #endif
|
|
|
702 }
|
|
|
703
|
|
|
704
|
|
|
705 void HttpClient::GlobalFinalize()
|
|
|
706 {
|
|
|
707 curl_global_cleanup();
|
|
|
708
|
|
|
709 #if ORTHANC_PKCS11_ENABLED == 1
|
|
|
710 Pkcs11::Finalize();
|
|
|
711 #endif
|
|
|
712 }
|
|
|
713
|
|
|
714
|
|
|
715 void HttpClient::SetDefaultProxy(const std::string& proxy)
|
|
|
716 {
|
|
|
717 GlobalParameters::GetInstance().SetDefaultProxy(proxy);
|
|
|
718 }
|
|
|
719
|
|
|
720
|
|
|
721 void HttpClient::SetDefaultTimeout(long timeout)
|
|
|
722 {
|
|
|
723 GlobalParameters::GetInstance().SetDefaultTimeout(timeout);
|
|
|
724 }
|
|
|
725
|
|
|
726
|
|
|
727 void HttpClient::ApplyAndThrowException(std::string& answerBody)
|
|
|
728 {
|
|
|
729 if (!Apply(answerBody))
|
|
|
730 {
|
|
|
731 ThrowException(GetLastStatus());
|
|
|
732 }
|
|
|
733 }
|
|
|
734
|
|
|
735
|
|
|
736 void HttpClient::ApplyAndThrowException(Json::Value& answerBody)
|
|
|
737 {
|
|
|
738 if (!Apply(answerBody))
|
|
|
739 {
|
|
|
740 ThrowException(GetLastStatus());
|
|
|
741 }
|
|
|
742 }
|
|
|
743
|
|
|
744
|
|
|
745 void HttpClient::ApplyAndThrowException(std::string& answerBody,
|
|
|
746 HttpHeaders& answerHeaders)
|
|
|
747 {
|
|
|
748 if (!Apply(answerBody, answerHeaders))
|
|
|
749 {
|
|
|
750 ThrowException(GetLastStatus());
|
|
|
751 }
|
|
|
752 }
|
|
|
753
|
|
|
754
|
|
|
755 void HttpClient::ApplyAndThrowException(Json::Value& answerBody,
|
|
|
756 HttpHeaders& answerHeaders)
|
|
|
757 {
|
|
|
758 if (!Apply(answerBody, answerHeaders))
|
|
|
759 {
|
|
|
760 ThrowException(GetLastStatus());
|
|
|
761 }
|
|
|
762 }
|
|
|
763
|
|
|
764
|
|
|
765 void HttpClient::SetClientCertificate(const std::string& certificateFile,
|
|
|
766 const std::string& certificateKeyFile,
|
|
|
767 const std::string& certificateKeyPassword)
|
|
|
768 {
|
|
|
769 if (certificateFile.empty())
|
|
|
770 {
|
|
|
771 throw OrthancException(ErrorCode_ParameterOutOfRange);
|
|
|
772 }
|
|
|
773
|
|
|
774 if (!Toolbox::IsRegularFile(certificateFile))
|
|
|
775 {
|
|
|
776 LOG(ERROR) << "Cannot open certificate file: " << certificateFile;
|
|
|
777 throw OrthancException(ErrorCode_InexistentFile);
|
|
|
778 }
|
|
|
779
|
|
|
780 if (!certificateKeyFile.empty() &&
|
|
|
781 !Toolbox::IsRegularFile(certificateKeyFile))
|
|
|
782 {
|
|
|
783 LOG(ERROR) << "Cannot open key file: " << certificateKeyFile;
|
|
|
784 throw OrthancException(ErrorCode_InexistentFile);
|
|
|
785 }
|
|
|
786
|
|
|
787 clientCertificateFile_ = certificateFile;
|
|
|
788 clientCertificateKeyFile_ = certificateKeyFile;
|
|
|
789 clientCertificateKeyPassword_ = certificateKeyPassword;
|
|
|
790 }
|
|
|
791
|
|
|
792
|
|
|
793 void HttpClient::InitializePkcs11(const std::string& module,
|
|
|
794 const std::string& pin,
|
|
|
795 bool verbose)
|
|
|
796 {
|
|
|
797 #if ORTHANC_PKCS11_ENABLED == 1
|
|
|
798 LOG(INFO) << "Initializing PKCS#11 using " << module
|
|
|
799 << (pin.empty() ? " (no PIN provided)" : " (PIN is provided)");
|
|
|
800 GlobalParameters::GetInstance().InitializePkcs11(module, pin, verbose);
|
|
|
801 #else
|
|
|
802 LOG(ERROR) << "This version of Orthanc is compiled without support for PKCS#11";
|
|
|
803 throw OrthancException(ErrorCode_InternalError);
|
|
|
804 #endif
|
|
|
805 }
|
|
|
806
|
|
|
807
|
|
|
808 void HttpClient::InitializeOpenSsl()
|
|
|
809 {
|
|
|
810 #if ORTHANC_SSL_ENABLED == 1
|
|
|
811 // https://wiki.openssl.org/index.php/Library_Initialization
|
|
|
812 SSL_library_init();
|
|
|
813 SSL_load_error_strings();
|
|
|
814 OpenSSL_add_all_algorithms();
|
|
|
815 ERR_load_crypto_strings();
|
|
|
816 #endif
|
|
|
817 }
|
|
|
818
|
|
|
819
|
|
|
820 void HttpClient::FinalizeOpenSsl()
|
|
|
821 {
|
|
|
822 #if ORTHANC_SSL_ENABLED == 1
|
|
|
823 // Finalize OpenSSL
|
|
|
824 // https://wiki.openssl.org/index.php/Library_Initialization#Cleanup
|
|
|
825 FIPS_mode_set(0);
|
|
|
826 ENGINE_cleanup();
|
|
|
827 CONF_modules_unload(1);
|
|
|
828 EVP_cleanup();
|
|
|
829 CRYPTO_cleanup_all_ex_data();
|
|
|
830 ERR_remove_state(0);
|
|
|
831 ERR_free_strings();
|
|
|
832 #endif
|
|
|
833 }
|
|
|
834 }
|
