Mercurial > hg > orthanc-gcp
annotate Plugin/GoogleUpdater.cpp @ 42:21499c134785
upgrade to year 2021
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 06 Jan 2021 18:13:58 +0100 |
| parents | 16cf7c2eb806 |
| children | 509334672b6b |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 2 * Google Cloud Platform credentials for DICOMweb and Orthanc | |
|
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upgrade to year 2021
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3 * Copyright (C) 2019-2021 Osimis S.A., Belgium |
| 0 | 4 * |
| 5 * This program is free software: you can redistribute it and/or | |
| 6 * modify it under the terms of the GNU General Public License as | |
| 7 * published by the Free Software Foundation, either version 3 of the | |
| 8 * License, or (at your option) any later version. | |
| 9 * | |
| 10 * In addition, as a special exception, the copyright holders of this | |
| 11 * program give permission to link the code of its release with the | |
| 12 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 13 * that use the same license as the "OpenSSL" library), and distribute | |
| 14 * the linked executables. You must obey the GNU General Public License | |
| 15 * in all respects for all of the code used other than "OpenSSL". If you | |
| 16 * modify file(s) with this exception, you may extend this exception to | |
| 17 * your version of the file(s), but you are not obligated to do so. If | |
| 18 * you do not wish to do so, delete this exception statement from your | |
| 19 * version. If you delete this exception statement from all source files | |
| 20 * in the program, then also delete it here. | |
| 21 * | |
| 22 * This program is distributed in the hope that it will be useful, but | |
| 23 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 25 * General Public License for more details. | |
| 26 * | |
| 27 * You should have received a copy of the GNU General Public License | |
| 28 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 29 **/ | |
| 30 | |
| 31 | |
| 32 #include "GoogleUpdater.h" | |
| 33 | |
| 34 #include "GoogleConfiguration.h" | |
| 35 | |
| 40 | 36 #include <Logging.h> |
| 37 | |
| 0 | 38 #include <google/cloud/storage/internal/curl_handle_factory.h> |
| 39 #include <google/cloud/storage/oauth2/google_credentials.h> | |
| 40 | |
| 41 | |
| 42 namespace | |
| 43 { | |
| 44 class CurlBuilder : public google::cloud::storage::internal::CurlRequestBuilder | |
| 45 { | |
| 46 private: | |
| 47 class HandleFactory : public google::cloud::storage::internal::DefaultCurlHandleFactory | |
| 48 { | |
| 49 public: | |
| 50 google::cloud::storage::internal::CurlPtr CreateHandle() override | |
| 51 { | |
| 52 google::cloud::storage::internal::CurlPtr handle | |
| 53 (google::cloud::storage::internal::DefaultCurlHandleFactory::CreateHandle()); | |
| 54 | |
| 55 const GoogleConfiguration& configuration = GoogleConfiguration::GetInstance(); | |
| 56 | |
| 57 long timeout = static_cast<long>(configuration.GetTimeoutSeconds()); | |
| 58 | |
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59 if (!configuration.GetCaInfo().empty() && |
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60 curl_easy_setopt(handle.get(), CURLOPT_CAINFO, configuration.GetCaInfo().c_str()) != CURLE_OK) |
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61 { |
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62 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError, |
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63 "Cannot set the trusted Certificate Authorities"); |
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64 } |
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65 |
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66 bool ok; |
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67 |
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68 if (configuration.IsHttpsVerifyPeers()) |
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69 { |
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70 ok = (curl_easy_setopt(handle.get(), CURLOPT_SSL_VERIFYHOST, 2) == CURLE_OK && |
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71 curl_easy_setopt(handle.get(), CURLOPT_SSL_VERIFYPEER, 1) == CURLE_OK && |
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72 curl_easy_setopt(handle.get(), CURLOPT_TIMEOUT, timeout) == CURLE_OK); |
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73 } |
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74 else |
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75 { |
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76 ok = (curl_easy_setopt(handle.get(), CURLOPT_SSL_VERIFYHOST, 0) == CURLE_OK && |
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77 curl_easy_setopt(handle.get(), CURLOPT_SSL_VERIFYPEER, 0) == CURLE_OK); |
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78 } |
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79 |
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80 if (!ok) |
| 0 | 81 { |
| 82 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError, | |
| 83 "Cannot initialize a libcurl handle"); | |
| 84 } | |
| 85 | |
| 86 return handle; | |
| 87 } | |
| 88 | |
| 89 google::cloud::storage::internal::CurlMulti CreateMultiHandle() override | |
| 90 { | |
| 91 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
| 92 } | |
| 93 }; | |
| 94 | |
| 95 public: | |
| 17 | 96 CurlBuilder(const std::string& base_url, |
| 97 const std::shared_ptr<google::cloud::storage::internal::CurlHandleFactory>& factory) : | |
| 0 | 98 CurlRequestBuilder(base_url, std::make_shared<HandleFactory>()) |
| 99 { | |
| 100 } | |
| 101 }; | |
| 102 } | |
| 103 | |
| 104 | |
| 105 | |
| 106 static boost::posix_time::ptime GetNow() | |
| 107 { | |
| 108 return boost::posix_time::second_clock::local_time(); | |
| 109 } | |
| 110 | |
| 111 | |
| 112 void GoogleUpdater::Worker(const State* state, | |
| 113 const GoogleAccount* account, | |
| 114 long refreshIntervalSeconds) | |
| 115 { | |
| 116 std::shared_ptr<google::cloud::storage::oauth2::Credentials> credentials; | |
| 117 | |
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118 try |
| 0 | 119 { |
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120 switch (account->GetType()) |
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121 { |
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122 case GoogleAccount::Type_ServiceAccount: |
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123 credentials = std::make_shared<google::cloud::storage::oauth2::ServiceAccountCredentials |
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124 <CurlBuilder>>(account->GetServiceAccount()); |
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125 break; |
| 0 | 126 |
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127 case GoogleAccount::Type_AuthorizedUser: |
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128 credentials = std::make_shared<google::cloud::storage::oauth2::AuthorizedUserCredentials |
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129 <CurlBuilder>>(account->GetAuthorizedUser()); |
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130 break; |
| 0 | 131 |
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132 default: |
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133 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); |
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134 } |
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135 } |
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136 catch (Orthanc::OrthancException& e) |
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137 { |
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138 credentials.reset(); |
| 0 | 139 } |
| 140 | |
| 141 if (credentials.get() == NULL) | |
| 142 { | |
| 143 LOG(ERROR) << "Cannot initialize the token updater for Google Cloud Platform account: " | |
| 144 << account->GetName(); | |
| 145 return; | |
| 146 } | |
| 147 | |
| 148 const std::string dicomWebPluginRoot = GoogleConfiguration::GetInstance().GetDicomWebPluginRoot(); | |
| 149 const std::string baseGoogleUrl = GoogleConfiguration::GetInstance().GetBaseGoogleUrl(); | |
| 150 | |
| 151 std::string lastToken; | |
| 152 std::unique_ptr<boost::posix_time::ptime> lastUpdate; | |
| 153 | |
| 154 while (*state == State_Running) | |
| 155 { | |
| 156 if (lastUpdate.get() == NULL || | |
| 157 (GetNow() - *lastUpdate).total_seconds() >= refreshIntervalSeconds) | |
| 158 { | |
| 159 google::cloud::StatusOr<std::string> token = credentials->AuthorizationHeader(); | |
| 160 if (!token) | |
| 161 { | |
| 162 LOG(WARNING) << "Cannot generate Google Cloud Platform token for account: " << account->GetName(); | |
| 163 } | |
| 164 else if (*token != lastToken && | |
| 165 account->UpdateServerDefinition(dicomWebPluginRoot, baseGoogleUrl, *token)) | |
| 166 { | |
| 167 lastToken = *token; | |
| 168 } | |
| 169 | |
| 170 lastUpdate.reset(new boost::posix_time::ptime(GetNow())); | |
| 171 } | |
| 172 | |
| 173 boost::this_thread::sleep(boost::posix_time::milliseconds(100)); | |
| 174 } | |
| 175 } | |
| 176 | |
| 177 | |
| 178 GoogleUpdater::~GoogleUpdater() | |
| 179 { | |
| 180 if (state_ == State_Running) | |
| 181 { | |
| 182 LOG(ERROR) << "GoogleUpdater::Stop() should have been manually called"; | |
| 183 Stop(); | |
| 184 } | |
| 185 } | |
| 186 | |
| 187 | |
| 188 void GoogleUpdater::Start() | |
| 189 { | |
| 190 if (state_ != State_Setup) | |
| 191 { | |
| 192 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 193 } | |
| 194 | |
| 195 state_ = State_Running; | |
| 196 | |
| 197 const GoogleConfiguration& configuration = GoogleConfiguration::GetInstance(); | |
| 198 | |
| 199 workers_.resize(configuration.GetAccountsCount()); | |
| 200 | |
| 201 for (size_t i = 0; i < workers_.size(); i++) | |
| 202 { | |
| 203 workers_[i] = new boost::thread(Worker, &state_, &configuration.GetAccount(i), | |
| 204 configuration.GetRefreshIntervalSeconds()); | |
| 205 } | |
| 206 } | |
| 207 | |
| 208 | |
| 209 void GoogleUpdater::Stop() | |
| 210 { | |
| 211 if (state_ == State_Running) | |
| 212 { | |
| 213 state_ = State_Done; | |
| 214 | |
| 215 for (size_t i = 0; i < workers_.size(); i++) | |
| 216 { | |
| 217 if (workers_[i] != NULL) | |
| 218 { | |
| 219 if (workers_[i]->joinable()) | |
| 220 { | |
| 221 workers_[i]->join(); | |
| 222 } | |
| 223 | |
| 224 delete workers_[i]; | |
| 225 } | |
| 226 } | |
| 227 | |
| 228 workers_.clear(); | |
| 229 } | |
| 230 } |