From aeb1eedba8207be8750657002418bcbdd065e541 Mon Sep 17 00:00:00 2001
From: Torsten Dreyer <torsten@ลง3r.de>
Date: Mon, 10 Nov 2014 14:23:12 +0100
Subject: [PATCH] Allow property set on the /json/ uri handler

---
 src/Network/http/JsonUriHandler.cxx | 97 +++++++++++++++++++----------
 1 file changed, 65 insertions(+), 32 deletions(-)

diff --git a/src/Network/http/JsonUriHandler.cxx b/src/Network/http/JsonUriHandler.cxx
index 1a29f319f..d2ac6a7db 100644
--- a/src/Network/http/JsonUriHandler.cxx
+++ b/src/Network/http/JsonUriHandler.cxx
@@ -33,55 +33,88 @@ bool JsonUriHandler::handleRequest( const HTTPRequest & request, HTTPResponse &
 {
   response.Header["Content-Type"] = "application/json; charset=UTF-8";
   response.Header["Access-Control-Allow-Origin"] = "*";
-  response.Header["Access-Control-Allow-Methods"] = "OPTIONS, GET";
+  response.Header["Access-Control-Allow-Methods"] = "OPTIONS, GET, POST";
   response.Header["Access-Control-Allow-Headers"] = "Origin, Accept, Content-Type, X-Requested-With, X-CSRF-Token";
 
   if( request.Method == "OPTIONS" ){
       return true; // OPTIONS only needs the headers
   }
 
-  if( request.Method != "GET" ){
-    response.Header["Allow"] = "OPTIONS, GET";
-    response.StatusCode = 405;
-    response.Content = "{}";
-    return true; 
-  }
+  if( request.Method == "GET" ){
+    string propertyPath = request.Uri;
 
-  string propertyPath = request.Uri;
+    // strip the uri prefix of our handler
+    propertyPath = propertyPath.substr( getUri().size() );
 
-  // strip the uri prefix of our handler
-  propertyPath = propertyPath.substr( getUri().size() );
+    // strip the querystring
+    size_t pos = propertyPath.find( '?' );
+    if( pos != string::npos ) {
+      propertyPath = propertyPath.substr( 0, pos-1 );
+    }
 
-  // strip the querystring
-  size_t pos = propertyPath.find( '?' );
-  if( pos != string::npos ) {
-    propertyPath = propertyPath.substr( 0, pos-1 );
-  }
+    // skip trailing '/' - not very efficient but shouldn't happen too often
+    while( false == propertyPath.empty() && propertyPath[ propertyPath.length()-1 ] == '/' )
+      propertyPath = propertyPath.substr(0,propertyPath.length()-1);
 
-  // skip trailing '/' - not very efficient but shouldn't happen too often
-  while( false == propertyPath.empty() && propertyPath[ propertyPath.length()-1 ] == '/' )
-    propertyPath = propertyPath.substr(0,propertyPath.length()-1);
+    // max recursion depth
+    int  depth = atoi(request.RequestVariables.get("d").c_str());
+    if( depth < 1 ) depth = 1; // at least one level 
 
-  // max recursion depth
-  int  depth = atoi(request.RequestVariables.get("d").c_str());
-  if( depth < 1 ) depth = 1; // at least one level 
+    // pretty print (y) or compact print (default)
+    bool indent = request.RequestVariables.get("i") == "y";
+    bool timestamp = request.RequestVariables.get("t") == "y";
 
-  // pretty print (y) or compact print (default)
-  bool indent = request.RequestVariables.get("i") == "y";
-  bool timestamp = request.RequestVariables.get("t") == "y";
+    SGPropertyNode_ptr node = fgGetNode( string("/") + propertyPath );
+    if( false == node.valid() ) {
+      response.StatusCode = 404;
+      response.Content = "{}";
+      SG_LOG(SG_NETWORK,SG_WARN, "Node not found: '" << propertyPath << "'");
+      return true;
+
+    } 
+
+    response.Content = JSON::toJsonString( indent, node, depth, timestamp ? fgGetDouble("/sim/time/elapsed-sec") : -1.0 );
 
-  SGPropertyNode_ptr node = fgGetNode( string("/") + propertyPath );
-  if( false == node.valid() ) {
-    response.StatusCode = 404;
-    response.Content = "{}";
-    SG_LOG(SG_NETWORK,SG_WARN, "Node not found: '" << propertyPath << "'");
     return true;
+  }
 
-  } 
+  if( request.Method == "POST" ) {
+    SG_LOG(SG_NETWORK,SG_INFO, "Setting properties from JSON: " << request.Content );
+    string propertyPath = request.Uri;
+    propertyPath = propertyPath.substr( getUri().size() );
 
-  response.Content = JSON::toJsonString( indent, node, depth, timestamp ? fgGetDouble("/sim/time/elapsed-sec") : -1.0 );
+    // strip the querystring
+    size_t pos = propertyPath.find( '?' );
+    if( pos != string::npos ) {
+      propertyPath = propertyPath.substr( 0, pos-1 );
+    }
 
-  return true;
+    // skip trailing '/' - not very efficient but shouldn't happen too often
+    while( false == propertyPath.empty() && propertyPath[ propertyPath.length()-1 ] == '/' )
+      propertyPath = propertyPath.substr(0,propertyPath.length()-1);
+
+    SGPropertyNode_ptr node = fgGetNode( string("/") + propertyPath );
+    if( false == node.valid() ) {
+      response.StatusCode = 404;
+      response.Content = "{}";
+      SG_LOG(SG_NETWORK,SG_WARN, "Node not found: '" << propertyPath << "'");
+      return true;
+    } 
+
+    cJSON * json = cJSON_Parse( request.Content.c_str() );
+    if( NULL != json ) {
+      JSON::toProp( json, node );
+      cJSON_Delete(json);
+    }
+
+    response.Content = "{}";
+    return true;
+  }
+
+  response.Header["Allow"] = "OPTIONS, GET";
+  response.StatusCode = 405;
+  response.Content = "{}";
+  return true; 
 
 }