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module.exports = {

ran_no : function ( min, max ){

return Math.floor( Math.random() * ( max - min + 1 )) + min;

uid : function ( len ){

var str = '';

var src = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';

var src_len = src.length;

var i = len;

for( ; i-- ; ){

str += src.charAt( this.ran_no( 0, src_len - 1 ));

}

return str;

forbidden : function ( res ){

var body = 'Forbidden';

res.statusCode = 403;

res.setHeader( 'Content-Type', 'text/plain' );

res.setHeader( 'Content-Length', body.length );

res.end( body );

}

};