--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Plugin/GoogleConfiguration.cpp	Thu Jun 13 14:57:22 2019 +0200
@@ -0,0 +1,168 @@
+/**
+ * Google Cloud Platform credentials for DICOMweb and Orthanc
+ * Copyright (C) 2019 Osimis S.A., Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * In addition, as a special exception, the copyright holders of this
+ * program give permission to link the code of its release with the
+ * OpenSSL project's "OpenSSL" library (or with modified versions of it
+ * that use the same license as the "OpenSSL" library), and distribute
+ * the linked executables. You must obey the GNU General Public License
+ * in all respects for all of the code used other than "OpenSSL". If you
+ * modify file(s) with this exception, you may extend this exception to
+ * your version of the file(s), but you are not obligated to do so. If
+ * you do not wish to do so, delete this exception statement from your
+ * version. If you delete this exception statement from all source files
+ * in the program, then also delete it here.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+
+#include "GoogleConfiguration.h"
+
+
+#define DEFAULT_GOOGLE_URL "https://healthcare.googleapis.com/v1beta1/"
+#define DEFAULT_DICOMWEB_PLUGIN_ROOT "/dicom-web"
+
+
+#include <boost/thread/mutex.hpp>
+
+
+#define HAS_ORTHANC_FRAMEWORK_1_5_7  0    // TODO - Update to 1.5.7 once available + CMakeLists.txt
+ 
+
+GoogleConfiguration::GoogleConfiguration()
+{
+  OrthancPlugins::OrthancConfiguration configuration;
+  caInfo_ = configuration.GetStringValue("HttpsCACertificates", "");
+
+  {
+#if HAS_ORTHANC_FRAMEWORK_1_5_7 == 1
+    OrthancPlugins::OrthancConfiguration dicomWeb(false);
+#else
+    OrthancPlugins::OrthancConfiguration dicomWeb;
+#endif
+
+    configuration.GetSection(dicomWeb, "DicomWeb");
+    dicomWebPluginRoot_ = dicomWeb.GetStringValue("Root", DEFAULT_DICOMWEB_PLUGIN_ROOT);
+  }
+
+  {
+#if HAS_ORTHANC_FRAMEWORK_1_5_7 == 1
+    OrthancPlugins::OrthancConfiguration google(false);
+#else
+    OrthancPlugins::OrthancConfiguration google;
+#endif
+
+    configuration.GetSection(google, "GoogleCloudPlatform");
+
+    baseGoogleUrl_ = google.GetStringValue("BaseUrl", DEFAULT_GOOGLE_URL);
+    timeoutSeconds_ = google.GetUnsignedIntegerValue("Timeout", 10);
+      
+    if (!google.LookupUnsignedIntegerValue(refreshIntervalSeconds_, "RefreshInternal") ||
+        refreshIntervalSeconds_ == 0)
+    {
+      refreshIntervalSeconds_ = 60;
+    }
+
+#if HAS_ORTHANC_FRAMEWORK_1_5_7 == 1
+    OrthancPlugins::OrthancConfiguration accounts(false);
+#else
+    OrthancPlugins::OrthancConfiguration accounts;
+#endif
+
+    google.GetSection(accounts, "Accounts");
+
+    const Json::Value::Members members = accounts.GetJson().getMemberNames();
+    if (members.size() == 0)
+    {
+      LOG(WARNING) << "No Google Cloud Platform account is configured";
+    }
+    else
+    {
+      Reserve(members.size());
+
+      for (size_t i = 0; i < members.size(); i++)
+      {
+        const std::string name = members[i];
+        LOG(INFO) << "Adding Google Cloud Platform account: " << name;
+
+#if HAS_ORTHANC_FRAMEWORK_1_5_7 == 1
+        OrthancPlugins::OrthancConfiguration account(false);
+#else
+        OrthancPlugins::OrthancConfiguration account;
+#endif
+
+        accounts.GetSection(account, name);
+        AddAccount(new GoogleAccount(account, name));
+      }
+    }
+  }
+}
+
+
+GoogleConfiguration::~GoogleConfiguration()
+{
+  for (size_t i = 0; i < accounts_.size(); i++)
+  {
+    assert(accounts_[i] != NULL);
+    delete accounts_[i];
+  }
+}
+
+
+void GoogleConfiguration::AddAccount(GoogleAccount* account)   // Takes ownership
+{
+  if (account == NULL)
+  {
+    throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
+  }
+  else
+  {
+    accounts_.push_back(account);
+  }
+}
+
+
+const GoogleAccount& GoogleConfiguration::GetAccount(size_t i) const
+{
+  if (i >= accounts_.size())
+  {
+    throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
+  }
+  else
+  {
+    assert(accounts_[i] != NULL);
+    return *accounts_[i];
+  }
+}
+
+
+const GoogleConfiguration& GoogleConfiguration::GetInstance()
+{
+  static boost::mutex mutex_;
+  static std::unique_ptr<GoogleConfiguration>  configuration_;
+
+  {
+    boost::mutex::scoped_lock lock(mutex_);
+
+    if (configuration_.get() == NULL)
+    {
+      configuration_.reset(new GoogleConfiguration);
+    }
+
+    return *configuration_;
+  }
+}