PLD_Builder/request_handler_server.py

   1 #!/usr/bin/python
   2
   3 import socket
   4 import string
   5 import cgi
   6 import time
   7 import log
   8 import ssl
   9 import sys
  10 import traceback
  11 import os
  12 from config import config, init_conf
  13
  14 from BaseHTTPServer import BaseHTTPRequestHandler, HTTPServer
  15
  16 import request_handler
  17 import path
  18
  19 class MyHandler(BaseHTTPRequestHandler):
  20
  21         def do_GET(self):
  22                 self.send_error(401);
  23
  24         def do_POST(self):
  25                 global rootnode
  26                 try:
  27                         length = int(self.headers.getheader('content-length'))
  28                         ctype, pdict = cgi.parse_header(self.headers.getheader('content-type'))
  29                         if ctype != 'application/x-www-form-urlencoded':
  30                                 log.error("request_handler_server: [%s]: 401 Unauthorized" % self.client_address[0])
  31                                 self.send_error(401)
  32                                 self.end_headers()
  33                                 return
  34
  35                         query = self.rfile.read(length)
  36
  37                         filename = self.headers.getheader('x-filename')
  38
  39                         if not request_handler.handle_request_main(query, filename = filename):
  40                                 error = log.last_log();
  41                                 log.error("request_handler_server: [%s]: handle_request_main(..., %s) failed" % (self.client_address[0], filename))
  42                                 self.send_error(500, "%s: request failed. %s" % (filename, error))
  43                                 self.end_headers()
  44                                 return
  45
  46                         self.send_response(200)
  47                         self.end_headers()
  48
  49                 except Exception, e:
  50                         self.send_error(500, "%s: %s" % (filename, e))
  51                         self.end_headers()
  52                         log.error("request_handler_server: [%s]: exception: %s\n%s" % (self.client_address[0], e, traceback.format_exc()))
  53                         raise
  54                         pass
  55
  56 def write_css():
  57         css_src = os.path.join(os.path.dirname(__file__), 'style.css')
  58         css_file = path.www_dir + "/style.css"
  59         # skip if file exists and code is not newer
  60         if os.path.exists(css_file) and os.stat(css_src).st_mtime < os.stat(css_file).st_mtime:
  61                 return
  62
  63         old_umask = os.umask(0022)
  64         r = open(css_src, 'r')
  65         f = open(css_file, "w")
  66         f.write(r.read())
  67         f.close()
  68         r.close()
  69         os.umask(old_umask)
  70
  71 def write_js():
  72         js_src = os.path.join(os.path.dirname(__file__), 'script.js')
  73         js_file = path.www_dir + '/script.js'
  74         # skip if file exists and code is not newer
  75         if os.path.exists(js_file) and os.stat(js_src).st_mtime < os.stat(js_file).st_mtime:
  76                 return
  77
  78         old_umask = os.umask(0022)
  79         r = open(js_src, 'r')
  80         f = open(js_file, 'w')
  81         f.write(r.read())
  82         f.close()
  83         r.close()
  84         os.umask(old_umask)
  85
  86 def main():
  87         write_css();
  88         write_js();
  89         socket.setdefaulttimeout(30)
  90         try:
  91                 init_conf()
  92                 host = ""
  93                 port = config.request_handler_server_port
  94                 srv_ssl = config.request_handler_server_ssl
  95
  96                 try:
  97                         server = HTTPServer((host, port), MyHandler)
  98                         if srv_ssl:
  99                                 server.socket = ssl.wrap_socket (server.socket,
 100                                                 keyfile = config.request_handler_server_ssl_key,
 101                                                 certfile = config.request_handler_server_ssl_cert,
 102                                                 ca_certs = config.request_handler_server_ssl_cacert,
 103                                                 server_side=True)
 104                 except Exception, e:
 105                         log.notice("request_handler_server: can't start server on [%s:%d], ssl=%s: %s" % (host, port, str(srv_ssl), e))
 106                         print >> sys.stderr, "ERROR: Can't start server on [%s:%d], ssl=%s: %s" % (host, port, str(srv_ssl), e)
 107                         sys.exit(1)
 108
 109                 log.notice('request_handler_server: started on [%s:%d], ssl=%s...' % (host, port, str(srv_ssl)))
 110                 server.serve_forever()
 111         except KeyboardInterrupt:
 112                 log.notice('request_handler_server: ^C received, shutting down server')
 113                 server.socket.close()
 114
 115 if __name__ == '__main__':
 116         main()
 117