# -*- coding:cp949 -*-
from BaseHTTPServer import HTTPServer, BaseHTTPRequestHandler
import base64
import sys

class MyRequestHandler(BaseHTTPRequestHandler):
    def do_GET(self):
        try:
            addr, port = self.client_address
            print "Connection from", addr, "port", port
            print "Request header:"
            print self.headers            
            
            urlpath = self.path
            if urlpath == '/status.html':
                if self.login_process() == True:                    
                    self.send_response(200)
                    self.send_header('Connection', 'Closed')
                    self.send_header('Content-Type', 'text/html')
                    self.end_headers()
                    f = file('status.html', 'r')
                    self.wfile.write(f.read())
                    f.close()
                else:
                    self.response401()
                    self.wfile.write('<P>Login Canceled.</P>')         
            else:
                raise IOError()

        except IOError:
            self.send_error(404, 'File not found: %s' % self.path)

    def log_message(self, format, *args):
        pass # 로그 메시지 끄고 조용히 하기 위함

    def login_process(self):
        if self.headers.has_key('Authorization'):
            authm, val     = self.headers['Authorization'].split()          
            userid, passwd = base64.b64decode(val).split(':')
            # print userid, passwd
            if userid == 'guest' and passwd == 'guestpass':
                return True
        return False
    
    def response401(self):
        self.send_response(401)
        self.send_header('WWW-Authenticate', 'Basic realm=\"pyrealm\"')
        self.send_header('Content-Type', 'text/html')
        self.send_header('Connection', 'Closed')
        self.end_headers()

# 상태 보고 서버를 시작함
def StartStatusServer(port):
    httpd = HTTPServer(('', port), MyRequestHandler)
    
    try:
        print "Status server started."
        httpd.serve_forever()
        
    except KeyboardInterrupt:
        print "Status server finished."
        
        
def main(argv) :
    if len(argv) != 2:
        print >> sys.stderr, "Usage: MonitorServer_02.py <port number>"
        return 1
    
    port = int(argv[1])
    StartStatusServer(port)
    return 0
    
if __name__ == '__main__' :
    sys.exit(main(sys.argv))