added: Request::header_in (Space) http input headers (without cookies)

added: config parameter: log_env_http_variables (bool) (for logging http headers)
added: support for DELETE http method, added method FunctionBase::MakeDelete()
changed: winix version incremented to 0.6.6




git-svn-id: svn://ttmath.org/publicrep/winix/trunk@1100 e52654a7-88a9-db11-a3e9-0013d4bc506e

winixd/core/request.h

@@ -5,7 +5,7 @@
  */
 
 /* 
- * Copyright (c) 2008-2015, Tomasz Sowa
+ * Copyright (c) 2008-2018, Tomasz Sowa
  * All rights reserved.
  * 
  * Redistribution and use in source and binary forms, with or without
@@ -64,6 +64,16 @@ class FunctionBase;
 
 struct Request
 {
+	// how many input headers can be put to in_headers struct
+	static const size_t MAX_INPUT_HEADERS = 32;
+
+	// how many characters there can be in one header name
+	static const size_t INPUT_HEADER_NAME_MAX_LENGTH = 64;
+
+	// how many characters there can be in one header value
+	static const size_t INPUT_HEADER_VALUE_MAX_LENGTH = 8192;
+
+
 	/*
 		request id
 		is incremented for each request and is never 0
@@ -97,7 +107,7 @@ struct Request
 		the HTTP method
 		!! IMPROVE ME add the rest methods here
 	*/
-	enum Method { get, post, head, unknown_method } method;
+	enum Method { get, post, head, delete_, unknown_method } method;
 
 
 	/*
@@ -116,6 +126,15 @@ struct Request
 	PostFileTab post_file_tab;
 	CookieTab   cookie_tab;
 
+	// input headers (without cookies)
+	// at the moment we are using FastCGI and HTTP headers are prefixed with 'HTTP_' string
+	// so we drop the prefix and change all characters to small ones
+
+	// although https://www.w3.org/Protocols/rfc2616/rfc2616-sec4.html#sec4.2 says that there can be more
+	// than one http header with the same name we do not support it
+	// each header has a different name here, cookies we have in a different container (cookie_tab)
+	PT::Space headers_in;
+
 
 	/*
 		html anchor (those part of URI after '#' character)
@@ -209,7 +228,7 @@ struct Request
 	// send as attachment (causes generating header: content-disposition: attachment)
 	bool send_as_attachment;
 
-	// headers send to the client (without cookies)
+	// headers send to the client (without cookies) (may change to headers_out?)
 	PT::Space out_headers;
 
 	// cookies send to the client