//*************************************************************************************
//	ÆÄÀϸí		: sg_base64.js
//	ÀÛ¼ºÀÚ		: ¾ÈÀçÇü
//	ÃÖÃÊ ÀÛ¼ºÀÏ	: 2003³â 7¿ù 21ÀÏ
//	ÃÖÁ¾ ¼öÁ¤ÀÏ	: 2003³â 8¿ù 9ÀÏ
//*************************************************************************************

function base64Encode( strMessage )
{
	if ( strMessage == null || strMessage == "" )
	{
		setErrorCode("NO_DATA_VALUE");
		setErrorMessage( "" );
		setErrorFunctionName( "base64Encode()" );
		return "";
	}

	var buf = Base64Encode( strMessage );
	if ( buf == "" )
	{
		setErrorCode( "" );
		setErrorMessage( GetLastErrMsg() );
		setErrorFunctionName( "base64Encode()" );
		return "";
	}

	return removeCRLF( buf );
}

function base64Decode( strMessage )
{
	if ( strMessage == null || strMessage == "" )
	{
		setErrorCode("NO_DATA_VALUE");
		setErrorMessage( "" );
		setErrorFunctionName( "base64Decode()" );
		return "";
	}

	var buf = Base64Decode( strMessage );
	if ( buf == "" )
	{
		setErrorCode( "" );
		setErrorMessage( GetLastErrMsg() );
		setErrorFunctionName( "base64Decode()" );
		return "";
	}

	return buf;
}

function base64EncodeFromFile( strInputFilePath, strOutputFilePath )
{
	if ( strInputFilePath == null || strInputFilePath == "" 
		|| strOutputFilePath == null || strOutputFilePath == "" )
	{
		setErrorCode("NO_DATA_VALUE");
		setErrorMessage( "" );
		setErrorFunctionName( "base64EncodeFromFile()" );
		return false;
	}

	var bReturn = Base64EncodeFile( strInputFilePath, strOutputFilePath );
	if ( !bReturn )
	{
		setErrorCode( "" );
		setErrorMessage( GetLastErrMsg() );
		setErrorFunctionName( "base64EncodeFromFile()" );
		return false;
	}

	return true;	
}

function base64DecodeFromFile( strInputFilePath, strOutputFilePath )
{
	if ( strInputFilePath == null || strInputFilePath == "" 
		|| strOutputFilePath == null || strOutputFilePath == "" )
	{
		setErrorCode("NO_DATA_VALUE");
		setErrorMessage( "" );
		setErrorFunctionName( "base64DecodeFromFile()" );
		return false;
	}

	var bReturn = Base64DecodeFile( strInputFilePath, strOutputFilePath );
	if ( !bReturn )
	{
		setErrorCode( "" );
		setErrorMessage( GetLastErrMsg() );
		setErrorFunctionName( "base64DecodeFromFile()" );
		return false;
	}

	return true;	
}