def _check_proxy(self):
'''
check the proxy object
'''
if not self.has_key('proxy'):
self['proxy'] = {}
c = self['proxy']
for i in c.iterkeys():
a = inet_string(i)
if not a['host']:
print('ERROR: invalid proxy server name = %s' % pss_name)
raise ValueError
c[i]['addr'] = a['host']
if not a['port']:
a['port'] = 18889
c[i]['port'] = int(a['port'])
#
if c[i].has_key('ea') and c[i].has_key('en'):
print('ERROR: only "ea" or "en" can be specified.')
raise ValueError
if not c[i].has_key('ea') and not c[i].has_key('en'):
print('ERROR: either "ea" or "en" is required at least.')
raise ValueError
#
# update the wstc object
#
if c[i].has_key('ea'):
j = c[i]['ea']
if j not in self['wstc']:
self['wstc'][j] = {'ee': 'yes', 'nm': self.west_name}
elif c[i].has_key('en'):
j = c[i]['en']
if j not in self['wstc']:
self['wstc'][j] = {'ee': 'no', 'nm': self.west_name}
self['wstc'][j]['so'] = 'unconnected'
#
# configuration for the url mapping.
#
for j in c[i].iterkeys():
if j in ['ea', 'en', 'addr', 'port']:
continue
if not j[0] == '/':
raise ValueError('invalid keyword= %s' % c[i][j])
for k in c[i][j]:
p = c[i][j]
#
if not p.has_key('ou'):
raise ValueError('key "ou" is requred in %s%s.' %
(i, j))
#
if p.has_key('ca'):
if not isinstance(p['ca'], list):
raise ValueError(
'key "ca" must be a list in %s%s.' % (i, j))
def _check_proxy(self):
'''
check the proxy object
'''
if not self.has_key('proxy'):
self['proxy'] = {}
c = self['proxy']
for i in c.iterkeys():
a = inet_string(i)
if not a['host']:
print('ERROR: invalid proxy server name = %s' % pss_name)
raise ValueError
c[i]['addr'] = a['host']
if not a['port']:
a['port'] = 18889
c[i]['port'] = int(a['port'])
#
if c[i].has_key('ea') and c[i].has_key('en'):
print('ERROR: only "ea" or "en" can be specified.')
raise ValueError
if not c[i].has_key('ea') and not c[i].has_key('en'):
print('ERROR: either "ea" or "en" is required at least.')
raise ValueError
#
# update the wstc object
#
if c[i].has_key('ea'):
j = c[i]['ea']
if j not in self['wstc']:
self['wstc'][j] = { 'ee' : 'yes', 'nm' : self.west_name }
elif c[i].has_key('en'):
j = c[i]['en']
if j not in self['wstc']:
self['wstc'][j] = { 'ee' : 'no', 'nm' : self.west_name }
self['wstc'][j]['so'] = 'unconnected'
#
# configuration for the url mapping.
#
for j in c[i].iterkeys():
if j in [ 'ea', 'en', 'addr', 'port' ]:
continue
if not j[0] == '/':
raise ValueError('invalid keyword= %s' % c[i][j])
for k in c[i][j]:
p = c[i][j]
#
if not p.has_key('ou'):
raise ValueError(
'key "ou" is requred in %s%s.' % (i, j))
#
if p.has_key('ca'):
if not isinstance(p['ca'], list):
raise ValueError(
'key "ca" must be a list in %s%s.' % (i, j))
def _check_wsts(self):
'''
check the wsts object
'''
if not self.has_key('wsts'):
self['wsts'] = {}
c = self['wsts']
if c.has_key('sp'):
a = inet_string(c['sp'])
c['addr'] = a['host']
c['port'] = int(a['port'])
if c.has_key('ca'):
print('WARNING: key "ca" is not supported yet.')
def _check_wsts(self):
'''
check the wsts object
'''
if not self.has_key('wsts'):
self['wsts'] = {}
c = self['wsts']
if c.has_key('sp'):
a = inet_string(c['sp'])
c['addr'] = a['host']
c['port'] = int(a['port'])
if c.has_key('ca'):
print('WARNING: key "ca" is not supported yet.')
def _check_west(self):
'''
check the west object
'''
if not self.has_key('west'):
raise ValueError('the west object is required.')
c = self['west']
self.west_name = c.get('nm')
if not self.west_name:
raise ValueError('nm attribute in the west object is required.')
if c.has_key('cp'):
a = inet_string(c['cp'])
c['addr'] = a['host']
c['port'] = int(a['port'])
def _check_west(self):
'''
check the west object
'''
if not self.has_key('west'):
raise ValueError('the west object is required.')
c = self['west']
self.west_name = c.get('nm')
if not self.west_name:
raise ValueError('nm attribute in the west object is required.')
if c.has_key('cp'):
a = inet_string(c['cp'])
c['addr'] = a['host']
c['port'] = int(a['port'])
def __init__(self, url, host_in_header=None, debug_level=0):
self.debug_level = debug_level
a = inet_string(url)
if host_in_header:
self.host = host_in_header
elif a['url_host']:
self.host = a['url_host']
else:
print('ERROR: Host field or URL host part are not defined.')
return
if self.debug_level:
print('DEBUG: connecting to %s' % self.host)
self.conn = httplib.HTTPConnection(self.host)
self.path = a['url_path'] if a['url_path'] else '/'
def __init__(self, url, host_in_header=None, debug_level=0):
self.debug_level = debug_level
a = inet_string(url)
if host_in_header:
self.host = host_in_header
elif a['url_host']:
self.host = a['url_host']
else:
print('ERROR: Host field or URL host part are not defined.')
return
if self.debug_level:
print('DEBUG: connecting to %s' % self.host)
self.conn = httplib.HTTPConnection(self.host)
self.path = a['url_path'] if a['url_path'] else '/'
def post_read(self, contents):
'''
it called after the whole message from the client has been read.
'''
#
# convert Path into the outgoing URL, and Host into the HTTP server.
#
a = inet_string(self.server.jc_mine[self.path]['ou'])
self.headers = dict(self.headers)
if self.headers.has_key('host'):
if is_debug(2, self.server.west):
print('DEBUG: convert Host into %s from %s' %
(self.headers['host'], a['url_host']))
self.headers['host'] = a['url_host']
if is_debug(2, self.server.west):
print('DEBUG: convert Path into %s from %s' %
(self.path, a['url_path']))
#
msg_list = []
msg_list.append(' '.join([self.command, a['url_path'],
self.request_version]))
msg_list.append('\r\n')
msg_list.extend(['%s: %s\r\n' %
(k,v) for k,v in self.headers.iteritems()])
msg_list.append('\r\n')
msg_list.extend(contents)
#
msg = ''.join(msg_list)
if is_debug(1, self.server.west):
print('DEBUG: sending proxy message length=', len(msg))
if is_debug(2, self.server.west):
print('DEBUG: ---BEGIN: proxy server sending---')
print(msg)
print('DEBUG: ---END---')
#
'''
http sessions must be identified.
each session must be assigned uuid.
chunked data have to be assiened an identical uuid.
'''
self.session_id = str(uuid.uuid4())
#
# double check again whether there is a socket for the peer.
#
if self.server.s_ws:
response = self.server.s_ws.send(self, msg, self.session_id,
proxy_protocol='http')
else:
print('ERROR: The peer proxy is not available.')
self.send_error(503)
self.end_headers()
return
#
# waiting for a response from the server
#
if is_debug(1, self.server.west):
print('DEBUG: waiting for response from http server in %d seconds' %
self.server_response_timer)
self.waiting_for_server = Event()
self.waiting_for_server.wait(self.server_response_timer)
if not self.waiting_for_server.is_set():
print('INFO: timeout for waiting a response from http server')
def post_read(self, contents):
'''
it called after the whole message from the client has been read.
'''
#
# convert Path into the outgoing URL, and Host into the HTTP server.
#
a = inet_string(self.server.jc_mine[self.path]['ou'])
self.headers = dict(self.headers)
if self.headers.has_key('host'):
if is_debug(2, self.server.west):
print('DEBUG: convert Host into %s from %s' %
(self.headers['host'], a['url_host']))
self.headers['host'] = a['url_host']
if is_debug(2, self.server.west):
print('DEBUG: convert Path into %s from %s' %
(self.path, a['url_path']))
#
msg_list = []
msg_list.append(' '.join(
[self.command, a['url_path'], self.request_version]))
msg_list.append('\r\n')
msg_list.extend(
['%s: %s\r\n' % (k, v) for k, v in self.headers.iteritems()])
msg_list.append('\r\n')
msg_list.extend(contents)
#
msg = ''.join(msg_list)
if is_debug(1, self.server.west):
print('DEBUG: sending proxy message length=', len(msg))
if is_debug(2, self.server.west):
print('DEBUG: ---BEGIN: proxy server sending---')
print(msg)
print('DEBUG: ---END---')
#
'''
http sessions must be identified.
each session must be assigned uuid.
chunked data have to be assiened an identical uuid.
'''
self.session_id = str(uuid.uuid4())
#
# double check again whether there is a socket for the peer.
#
if self.server.s_ws:
response = self.server.s_ws.send(self,
msg,
self.session_id,
proxy_protocol='http')
else:
print('ERROR: The peer proxy is not available.')
self.send_error(503)
self.end_headers()
return
#
# waiting for a response from the server
#
if is_debug(1, self.server.west):
print(
'DEBUG: waiting for response from http server in %d seconds' %
self.server_response_timer)
self.waiting_for_server = Event()
self.waiting_for_server.wait(self.server_response_timer)
if not self.waiting_for_server.is_set():
print('INFO: timeout for waiting a response from http server')