/*
 * This file is a part of Winix
 * and is not publicly distributed
 * 
 * Copyright (c) 2008-2013, Tomasz Sowa
 * All rights reserved.
 * 
 */

#include "request.h"
#include "log.h"
#include "plugin.h"
#include "misc.h"







Request::Request() : char_empty(0)
{
	id = 0;
}


void Request::SetConfig(Config * pconfig)
{
	config = pconfig;
}




void Request::ClearOutputStreams()
{
	out_streams.resize(16); // !! IMPROVE ME add as a constant somewhere

	for(size_t i=0 ; i<out_streams.size() ; ++i)
		out_streams[i].Clear();
}


void Request::Clear()
{
	// id is never 0	
	if( ++id == 0 )
		++id;

	RemovePostFileTmp(post_file_tab);
	ClearOutputStreams();

	post_tab.clear();
	post_file_tab.clear();
	cookie_tab.clear();

	method  = none;	
	role    = responder;

	headers.Clear();


	debug.Clear();

	page_generated = false;
	use_html_filter = true;
	
	env_request_method  = &char_empty;
	env_request_uri     = &char_empty;
	env_http_cookie     = &char_empty;
	env_remote_addr     = &char_empty;
	env_http_host       = &char_empty;
	env_http_user_agent = &char_empty;
	env_fcgi_role       = &char_empty;
	env_content_type    = &char_empty;
	env_http_accept_encoding = &char_empty;
	env_https           = &char_empty;

	item_tab.clear();
	item.Clear();
	dir_tab.clear();
	last_item = &item;
	is_item = false;
	function = 0; // !! dodac jakas empty funkcje
	param_tab.clear();
	anchor.clear();
	
	status = WINIX_ERR_OK;

	browser_msie = false;
	redirect_to.clear();
	redirect_type = 303;
	x_sendfile.clear();
	send_as_attachment = false;

	using_ssl = false;

	start_time = 0;
	start_date.Clear();

	subdomain.clear();
	return_info_only = false;
	info.Clear();
	info_serializer = 0;
	return_json = false;

	out_bin_stream.clear();
	send_bin_stream = false;

	gen_trim_white			= false;
	gen_skip_new_line		= false;
	gen_use_special_chars	= false;

	ip = 0;
	use_200_status_for_not_found_and_permission_denied = false;
}



void Request::RequestStarts()
{
	// clearing it is better to use at the end of a request
	// so starting is much faster

	start_time = std::time(0);
	start_date = start_time;
}



// value can be null
void Request::SetCookie(const char * name, const char * value, PT::Date * expires)
{
	headers << "Set-Cookie: " << name << "=";
	
	if( value && value[0]!=0 )
		headers << value;
	else
		headers << "\"\"";

	if( expires )
		headers << "; expires=" << DateToStrCookie(*expires) << " GMT";

	headers << "; path=/; domain=" << config->base_url << "\r\n";
	
	/*
		don't use '; secure' flag if you are using both sites (with SSL
		and without SSL) -- with secure flag the cookie is sent only through
		SSL and if you accidentally open a new window without SSL (http://) 
		then winix will create a new session for you and the previous session (https://)
		will be lost (cookie is overwritten on the client browser)
	*/
}



void Request::SetCookie(const char * name, long value, PT::Date * expires)
{
	headers << "Set-Cookie: " << name << "=" << value;

	if( expires )
		headers << "; expires=" << DateToStrCookie(*expires) << " GMT";

	headers << "; path=/; domain=" << config->base_url << "\r\n";
}



bool Request::IsPostVar(const wchar_t * var)
{
	PostTab::iterator p;
	
	p = post_tab.find(var);
	
	if( p == post_tab.end() )
		return false;

return true;
}


bool Request::IsPostVar(const std::wstring & var)
{
	PostTab::iterator p;
	
	p = post_tab.find(var);
	
	if( p == post_tab.end() )
		return false;

return true;
}


const std::wstring & Request::PostVar(const wchar_t * var)
{
PostTab::iterator p = post_tab.find(var);
	
	if( p == post_tab.end() )
		return str_empty;
	
return p->second;
}


const std::wstring & Request::PostVar(const std::wstring & var)
{
PostTab::iterator p = post_tab.find(var);
	
	if( p == post_tab.end() )
		return str_empty;
	
return p->second;
}



bool Request::PostVar(const wchar_t * var, std::wstring & result)
{
PostTab::iterator p = post_tab.find(var);
	
	if( p == post_tab.end() )
	{
		result.clear();
		return false;
	}
		
	result = p->second;
	
return true;
}


bool Request::PostVar(const std::wstring & var, std::wstring & result)
{
PostTab::iterator p = post_tab.find(var);
	
	if( p == post_tab.end() )
	{
		result.clear();
		return false;
	}
		
	result = p->second;
	
return true;
}



std::wstring * Request::PostVarp(const wchar_t * var)
{
PostTab::iterator p = post_tab.find(var);
	
	if( p == post_tab.end() )
		return 0;
	
return &p->second;
}


std::wstring * Request::PostVarp(const std::wstring & var)
{
PostTab::iterator p = post_tab.find(var);

	if( p == post_tab.end() )
		return 0;

return &p->second;
}




bool Request::AllPostVarEmpty()
{
PostTab::iterator i;

	for(i=post_tab.begin() ; i!=post_tab.end() ; ++i)
		if( !i->second.empty() )
			return false;

return true;
}



bool Request::IsParam(const wchar_t * param_name)
{
ParamTab::iterator i;

	for(i=param_tab.begin() ; i!=param_tab.end() ; ++i)
	{
		if( i->name == param_name )
			return true;
	}
	
return false;	
}


bool Request::IsParam(const std::wstring & param_name)
{
ParamTab::iterator i;

	for(i=param_tab.begin() ; i!=param_tab.end() ; ++i)
	{
		if( i->name == param_name )
			return true;
	}
	
return false;	
}


const std::wstring & Request::ParamValue(const wchar_t * param_name)
{
	ParamTab::iterator i;
	
	for(i=param_tab.begin() ; i!=param_tab.end() ; ++i)
	{
		if( i->name == param_name )
			return i->value;
	}
	
return str_empty;
}


const std::wstring & Request::ParamValue(const std::wstring & param_name)
{
	return ParamValue(param_name.c_str());
}