--- a/RenderingPlugin/Resources/Orthanc/Plugins/OrthancPluginCppWrapper.cpp	Thu Oct 13 13:13:55 2022 +0200
+++ b/RenderingPlugin/Resources/Orthanc/Plugins/OrthancPluginCppWrapper.cpp	Thu Oct 27 10:50:48 2022 +0200
@@ -250,26 +250,52 @@
     }
   }
 
+  // helper class to convert std::map of headers to the plugin SDK C structure
+  class PluginHttpHeaders
+  {
+    std::vector<const char*> headersKeys_;
+    std::vector<const char*> headersValues_;
+  public:
+
+    PluginHttpHeaders(const std::map<std::string, std::string>& httpHeaders)
+    {
+      for (std::map<std::string, std::string>::const_iterator
+           it = httpHeaders.begin(); it != httpHeaders.end(); it++)
+      {
+        headersKeys_.push_back(it->first.c_str());
+        headersValues_.push_back(it->second.c_str());
+      }      
+    }
+
+    const char* const* GetKeys()
+    {
+      return (headersKeys_.empty() ? NULL : &headersKeys_[0]);
+    }
+
+    const char* const* GetValues()
+    {
+      return (headersValues_.empty() ? NULL : &headersValues_[0]);
+    }
+
+    uint32_t GetSize()
+    {
+      return static_cast<uint32_t>(headersKeys_.size());
+    }
+  };
+
   bool MemoryBuffer::RestApiGet(const std::string& uri,
                                 const std::map<std::string, std::string>& httpHeaders,
                                 bool applyPlugins)
   {
     Clear();
 
-    std::vector<const char*> headersKeys;
-    std::vector<const char*> headersValues;
-    
-    for (std::map<std::string, std::string>::const_iterator
-           it = httpHeaders.begin(); it != httpHeaders.end(); it++)
-    {
-      headersKeys.push_back(it->first.c_str());
-      headersValues.push_back(it->second.c_str());
-    }
+    PluginHttpHeaders headers(httpHeaders);
 
     return CheckHttp(OrthancPluginRestApiGet2(
-                       GetGlobalContext(), &buffer_, uri.c_str(), httpHeaders.size(),
-                       (headersKeys.empty() ? NULL : &headersKeys[0]),
-                       (headersValues.empty() ? NULL : &headersValues[0]), applyPlugins));
+                       GetGlobalContext(), &buffer_, uri.c_str(), 
+                       headers.GetSize(),
+                       headers.GetKeys(),
+                       headers.GetValues(), applyPlugins));
   }
 
   bool MemoryBuffer::RestApiPost(const std::string& uri,
@@ -292,6 +318,41 @@
     }
   }
 
+#if HAS_ORTHANC_PLUGIN_GENERIC_CALL_REST_API == 1
+
+  bool MemoryBuffer::RestApiPost(const std::string& uri,
+                                 const void* body,
+                                 size_t bodySize,
+                                 const std::map<std::string, std::string>& httpHeaders,
+                                 bool applyPlugins)
+  {
+    MemoryBuffer answerHeaders;
+    uint16_t httpStatus;
+
+    PluginHttpHeaders headers(httpHeaders);
+
+    return CheckHttp(OrthancPluginCallRestApi(GetGlobalContext(), 
+                                              &buffer_,
+                                              *answerHeaders,
+                                              &httpStatus,
+                                              OrthancPluginHttpMethod_Post,
+                                              uri.c_str(),
+                                              headers.GetSize(), headers.GetKeys(), headers.GetValues(),
+                                              body, bodySize,
+                                              applyPlugins));
+  }
+
+
+  bool MemoryBuffer::RestApiPost(const std::string& uri,
+                                 const Json::Value& body,
+                                 const std::map<std::string, std::string>& httpHeaders,
+                                 bool applyPlugins)
+  {
+    std::string s;
+    WriteFastJson(s, body);
+    return RestApiPost(uri, s.c_str(), s.size(), httpHeaders, applyPlugins);
+  }
+#endif
 
   bool MemoryBuffer::RestApiPut(const std::string& uri,
                                 const void* body,
@@ -1457,6 +1518,30 @@
     }
   }
 
+#if HAS_ORTHANC_PLUGIN_GENERIC_CALL_REST_API == 1
+  bool RestApiPost(Json::Value& result,
+                   const std::string& uri,
+                   const Json::Value& body,
+                   const std::map<std::string, std::string>& httpHeaders,
+                   bool applyPlugins)
+  {
+    MemoryBuffer answer;
+
+    if (!answer.RestApiPost(uri, body, httpHeaders, applyPlugins))
+    {
+      return false;
+    }
+    else
+    {
+      if (!answer.IsEmpty())
+      {
+        answer.ToJson(result);
+      }
+      return true;
+    }
+  }
+#endif
+
 
   bool RestApiPost(Json::Value& result,
                    const std::string& uri,
@@ -1800,7 +1885,8 @@
 
   bool OrthancPeers::DoGet(MemoryBuffer& target,
                            size_t index,
-                           const std::string& uri) const
+                           const std::string& uri,
+                           const std::map<std::string, std::string>& headers) const
   {
     if (index >= index_.size())
     {
@@ -1809,10 +1895,12 @@
 
     OrthancPlugins::MemoryBuffer answer;
     uint16_t status;
+    PluginHttpHeaders pluginHeaders(headers);
+
     OrthancPluginErrorCode code = OrthancPluginCallPeerApi
       (GetGlobalContext(), *answer, NULL, &status, peers_,
        static_cast<uint32_t>(index), OrthancPluginHttpMethod_Get, uri.c_str(),
-       0, NULL, NULL, NULL, 0, timeout_);
+       pluginHeaders.GetSize(), pluginHeaders.GetKeys(), pluginHeaders.GetValues(), NULL, 0, timeout_);
 
     if (code == OrthancPluginErrorCode_Success)
     {
@@ -1828,21 +1916,23 @@
 
   bool OrthancPeers::DoGet(MemoryBuffer& target,
                            const std::string& name,
-                           const std::string& uri) const
+                           const std::string& uri,
+                           const std::map<std::string, std::string>& headers) const
   {
     size_t index;
     return (LookupName(index, name) &&
-            DoGet(target, index, uri));
+            DoGet(target, index, uri, headers));
   }
 
 
   bool OrthancPeers::DoGet(Json::Value& target,
                            size_t index,
-                           const std::string& uri) const
+                           const std::string& uri,
+                           const std::map<std::string, std::string>& headers) const
   {
     MemoryBuffer buffer;
 
-    if (DoGet(buffer, index, uri))
+    if (DoGet(buffer, index, uri, headers))
     {
       buffer.ToJson(target);
       return true;
@@ -1856,11 +1946,12 @@
 
   bool OrthancPeers::DoGet(Json::Value& target,
                            const std::string& name,
-                           const std::string& uri) const
+                           const std::string& uri,
+                           const std::map<std::string, std::string>& headers) const
   {
     MemoryBuffer buffer;
 
-    if (DoGet(buffer, name, uri))
+    if (DoGet(buffer, name, uri, headers))
     {
       buffer.ToJson(target);
       return true;
@@ -1875,22 +1966,24 @@
   bool OrthancPeers::DoPost(MemoryBuffer& target,
                             const std::string& name,
                             const std::string& uri,
-                            const std::string& body) const
+                            const std::string& body,
+                            const std::map<std::string, std::string>& headers) const
   {
     size_t index;
     return (LookupName(index, name) &&
-            DoPost(target, index, uri, body));
+            DoPost(target, index, uri, body, headers));
   }
 
 
   bool OrthancPeers::DoPost(Json::Value& target,
                             size_t index,
                             const std::string& uri,
-                            const std::string& body) const
+                            const std::string& body,
+                            const std::map<std::string, std::string>& headers) const
   {
     MemoryBuffer buffer;
 
-    if (DoPost(buffer, index, uri, body))
+    if (DoPost(buffer, index, uri, body, headers))
     {
       buffer.ToJson(target);
       return true;
@@ -1905,11 +1998,12 @@
   bool OrthancPeers::DoPost(Json::Value& target,
                             const std::string& name,
                             const std::string& uri,
-                            const std::string& body) const
+                            const std::string& body,
+                            const std::map<std::string, std::string>& headers) const
   {
     MemoryBuffer buffer;
 
-    if (DoPost(buffer, name, uri, body))
+    if (DoPost(buffer, name, uri, body, headers))
     {
       buffer.ToJson(target);
       return true;
@@ -1924,7 +2018,8 @@
   bool OrthancPeers::DoPost(MemoryBuffer& target,
                             size_t index,
                             const std::string& uri,
-                            const std::string& body) const
+                            const std::string& body,
+                            const std::map<std::string, std::string>& headers) const
   {
     if (index >= index_.size())
     {
@@ -1939,10 +2034,12 @@
 
     OrthancPlugins::MemoryBuffer answer;
     uint16_t status;
+    PluginHttpHeaders pluginHeaders(headers);
+
     OrthancPluginErrorCode code = OrthancPluginCallPeerApi
       (GetGlobalContext(), *answer, NULL, &status, peers_,
        static_cast<uint32_t>(index), OrthancPluginHttpMethod_Post, uri.c_str(),
-       0, NULL, NULL, body.empty() ? NULL : body.c_str(), body.size(), timeout_);
+       pluginHeaders.GetSize(), pluginHeaders.GetKeys(), pluginHeaders.GetValues(), body.empty() ? NULL : body.c_str(), body.size(), timeout_);
 
     if (code == OrthancPluginErrorCode_Success)
     {
@@ -1958,7 +2055,8 @@
 
   bool OrthancPeers::DoPut(size_t index,
                            const std::string& uri,
-                           const std::string& body) const
+                           const std::string& body,
+                           const std::map<std::string, std::string>& headers) const
   {
     if (index >= index_.size())
     {
@@ -1973,10 +2071,12 @@
 
     OrthancPlugins::MemoryBuffer answer;
     uint16_t status;
+    PluginHttpHeaders pluginHeaders(headers);
+
     OrthancPluginErrorCode code = OrthancPluginCallPeerApi
       (GetGlobalContext(), *answer, NULL, &status, peers_,
        static_cast<uint32_t>(index), OrthancPluginHttpMethod_Put, uri.c_str(),
-       0, NULL, NULL, body.empty() ? NULL : body.c_str(), body.size(), timeout_);
+       pluginHeaders.GetSize(), pluginHeaders.GetKeys(), pluginHeaders.GetValues(), body.empty() ? NULL : body.c_str(), body.size(), timeout_);
 
     if (code == OrthancPluginErrorCode_Success)
     {
@@ -1991,16 +2091,18 @@
 
   bool OrthancPeers::DoPut(const std::string& name,
                            const std::string& uri,
-                           const std::string& body) const
+                           const std::string& body,
+                           const std::map<std::string, std::string>& headers) const
   {
     size_t index;
     return (LookupName(index, name) &&
-            DoPut(index, uri, body));
+            DoPut(index, uri, body, headers));
   }
 
 
   bool OrthancPeers::DoDelete(size_t index,
-                              const std::string& uri) const
+                              const std::string& uri,
+                              const std::map<std::string, std::string>& headers) const
   {
     if (index >= index_.size())
     {
@@ -2009,10 +2111,12 @@
 
     OrthancPlugins::MemoryBuffer answer;
     uint16_t status;
+    PluginHttpHeaders pluginHeaders(headers);
+
     OrthancPluginErrorCode code = OrthancPluginCallPeerApi
       (GetGlobalContext(), *answer, NULL, &status, peers_,
        static_cast<uint32_t>(index), OrthancPluginHttpMethod_Delete, uri.c_str(),
-       0, NULL, NULL, NULL, 0, timeout_);
+       pluginHeaders.GetSize(), pluginHeaders.GetKeys(), pluginHeaders.GetValues(), NULL, 0, timeout_);
 
     if (code == OrthancPluginErrorCode_Success)
     {
@@ -2026,11 +2130,12 @@
 
 
   bool OrthancPeers::DoDelete(const std::string& name,
-                              const std::string& uri) const
+                              const std::string& uri,
+                              const std::map<std::string, std::string>& headers) const
   {
     size_t index;
     return (LookupName(index, name) &&
-            DoDelete(index, uri));
+            DoDelete(index, uri, headers));
   }
 #endif
 
@@ -3796,4 +3901,14 @@
     }
   }
 #endif
+
+  void GetHttpHeaders(std::map<std::string, std::string>& result, const OrthancPluginHttpRequest* request)
+  {
+    result.clear();
+
+    for (uint32_t i = 0; i < request->headersCount; ++i)
+    {
+      result[request->headersKeys[i]] = request->headersValues[i];
+    }    
+  }
 }