/*
 * This file is a part of Winix
 * and is distributed under the 2-Clause BSD licence.
 * Author: Tomasz Sowa <t.sowa@ttmath.org>
 */

/* 
 * Copyright (c) 2008-2014, Tomasz Sowa
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 * 
 */

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



namespace Winix
{





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


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




void Request::ClearOutputStreams()
{
size_t len = 16;

	if( config )
		len = config->ezc_out_streams_size;

	if( len < 1 || len > 64 )
		len = 16;

	if( out_streams.size() != len )
		out_streams.resize(len);

	if( use_html_filter.size() != len )
		use_html_filter.resize(len);

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


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 = unknown_method;

	out_headers.Clear();
	out_cookies.Clear();

	page_generated = false;
	
	env_request_method.clear();
	env_request_uri.clear();
	env_http_cookie.clear();
	env_remote_addr.clear();
	env_http_host.clear();
	env_http_user_agent.clear();
	env_http_accept_encoding.clear();
	env_fcgi_role.clear();
	env_content_type.clear();
	env_https.clear();

	item_tab.clear();
	item.Clear();
	dir_tab.clear();
	last_item = &item;
	is_item = false;
	function = 0;
	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;
}




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());
}




} // namespace Winix