add support for OPTIONS http method

winixd/core/app.cpp

@@ -1305,6 +1305,9 @@ void App::CheckRequestMethod()
 		else
 		if( pt::to_lower(cur.request->env_request_method[0]) == 'd' )
 			cur.request->method = Request::delete_;
+		else
+		if( pt::to_lower(cur.request->env_request_method[0]) == 'o' )
+			cur.request->method = Request::options;
 	}
 }
 

winixd/core/header.h

@@ -53,6 +53,7 @@ public:
 	static constexpr const wchar_t * accept 					= L"Accept";
 	static constexpr const wchar_t * accept_language			= L"Accept-Language";
 	static constexpr const wchar_t * authorization 				= L"Authorization";
+	static constexpr const wchar_t * allow 						= L"Allow";
 
 	/*
 	 * headers' names lower case
@@ -92,6 +93,7 @@ public:
 
 
 	static const int status_200_ok = 200;
+	static const int status_204_no_content = 204;
 	static const int status_300_multiple_choices = 300;
 	static const int status_301_moved_permanently = 301;
 	static const int status_302_found = 302;
@@ -106,6 +108,7 @@ public:
 
 
 	static constexpr const wchar_t * str_status_200		= L"OK";
+	static constexpr const wchar_t * str_status_204		= L"No Content";
 	static constexpr const wchar_t * str_status_300		= L"Multiple Choices";
 	static constexpr const wchar_t * str_status_301		= L"Moved Permanently";
 	static constexpr const wchar_t * str_status_302		= L"Found";
@@ -134,6 +137,7 @@ protected:
 
 	static constexpr StatusIntStringMapHelper status_int_string_map[] = {
 		{status_200_ok, str_status_200},
+		{status_204_no_content, str_status_204},
 		{status_300_multiple_choices, str_status_300},
 		{status_301_moved_permanently, str_status_301},
 		{status_302_found, str_status_302},

winixd/core/request.cpp

@@ -828,8 +828,8 @@ void Request::ModifyStatusForRedirect()
 
 
 
-
-void Request::SendAnswer()
+// may rename to something like PrepareAndSendAnswer()?
+void Request::PrepareAndSendAnswer()
 {
 	output_8bit.clear();
 	compressed_output.clear();
@@ -845,9 +845,7 @@ void Request::SendAnswer()
 		}
 	}
 
-	// may use CanSendContent() method?
-	// what about method HEAD?
-	if( !redirect_to.empty() || !x_sendfile.empty() )
+	if( !redirect_to.empty() || !x_sendfile.empty() || method == Request::options )
 	{
 		Send8bitOutput(output_8bit); // send empty content
 		return;
@@ -1787,7 +1785,7 @@ void Request::SendHeaders()
 		{
 			if( i->second->is_wstr() )
 			{
-				pt::wide_to_utf8(i->first,     aheader_name);
+				pt::wide_to_utf8(i->first, aheader_name);
 				pt::wide_to_utf8(*i->second->get_wstr(), aheader_value);
 
 				FCGX_PutS(aheader_name.c_str(), 	fcgi_request.out);
@@ -1905,7 +1903,7 @@ bool Request::CanSendContent()
 		return false;
 	}
 
-	if( method == Request::head )
+	if( method == Request::head || method == Request::options )
 	{
 		return false;
 	}
@@ -1933,7 +1931,7 @@ void Request::LogRequestTime()
 void Request::FinishRequest()
 {
 	modify_status_code_if_needed(); // will be removed
-	SendAnswer();
+	PrepareAndSendAnswer();
 	RequestEnds();
 	LogRequestTime();
 

winixd/core/request.h

@@ -160,7 +160,7 @@ public:
 		the HTTP method
 		!! IMPROVE ME add the rest methods here
 	*/
-	enum Method { get, post, head, delete_, unknown_method } method;
+	enum Method { get, post, head, delete_, options, unknown_method } method;
 
 
 	/*
@@ -549,7 +549,7 @@ private:
 	void http_status_error_title(EzcEnv & env);
 	void http_status_error_description(EzcEnv & env);
 
-	void SendAnswer();
+	void PrepareAndSendAnswer();
 	void PrepareRawAnswer();
 	void PrepareJsonAnswer();
 	void PrepareXmlAnswer();

winixd/functions/functionbase.cpp

@@ -160,6 +160,13 @@ void FunctionBase::MakeDelete()
 }
 
 
+void FunctionBase::MakeOptions()
+{
+	cur->request->http_status = Header::status_204_no_content;
+	cur->request->out_headers.add(Header::allow, L"OPTIONS, GET, HEAD, POST, DELETE");
+}
+
+
 void FunctionBase::Clear()
 {
 	// do nothing by default
@@ -183,6 +190,10 @@ void FunctionBase::ContinueMakeDelete()
 	// do nothing by default
 }
 
+void FunctionBase::ContinueMakeOptions()
+{
+	// do nothing by default
+}
 
 
 } // namespace Winix

winixd/functions/functionbase.h

@@ -113,6 +113,7 @@ public:
 	virtual void MakePost();
 	virtual void MakeGet();
 	virtual void MakeDelete();
+	virtual void MakeOptions();
 	virtual void Clear();
 
 	/*
@@ -122,6 +123,7 @@ public:
 	virtual void ContinueMakePost();
 	virtual void ContinueMakeGet();
 	virtual void ContinueMakeDelete();
+	virtual void ContinueMakeOptions();
 
 
 	//void SetConfig(Config * pconfig);

winixd/functions/functions.cpp

@@ -505,6 +505,12 @@ void Functions::MakeFunction()
 			cur->request->function->MakeDelete();
 	}
 	else
+	if( cur->request->method == Request::options )
+	{
+		if( cur->request->redirect_to.empty() )
+			cur->request->function->MakeOptions();
+	}
+	else
 	{
 		log << log1 << "Functions: unknown request method (skipping)" << logend;
 	}
@@ -557,6 +563,13 @@ void Functions::ContinueMakeFunction()
 		cur->request->function->ContinueMakeDelete();
 	}
 	else
+	if( cur->request->method == Request::options )
+	{
+		log << log4 << "Functions: continuing method options for request " << cur->request
+			<< " for function " << cur->request->function->fun.url << logend;
+		cur->request->function->ContinueMakeOptions();
+	}
+	else
 	{
 		log << log1 << "Functions: cannot continue a request, unknown request method (skipping)" << logend;
 	}