Newer
Older
import http.server
import json
from mec_database import mec_database
# This class will handles any incoming request from the browser
class myHandler(http.server.BaseHTTPRequestHandler):
__db__ = mec_database()
# Handler for the GET requests
def do_GET(self):
self.protocol_version = self.request_version
# Check HTTP end_headers
if self.__check_http_headers__() == False:
resp = "{\"problemDetails\": {\t\"type\": \"Bad Request\",\t\"title\": \"N/A\",\t\"status\": 400,\t\"detail\": \"Wrong headers\",\t\"instance\": \"N/A\"}}"
self.send_response(400, 'Bad Request')
self.send_header('Host', self.headers.get('Host'))
self.send_header('Authorization', self.headers.get('Authorization'))
self.send_header('Content-Type', 'application/problem+json')
l = len(resp)
self.send_header('Content-Length', str(l))
self.end_headers()
self.wfile.write(bytes(resp, 'utf-8'))
return
resp, content_type = self.__process__()
print('do_GET: resp= ', resp, ', Content_Type= ', content_type)
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
if (resp == None):
self.send_response(404, 'Not Found')
self.send_header('Host', self.headers.get('Host'))
self.send_header('Authorization', self.headers.get('Authorization'))
self.send_header('Content-Type', content_type)
self.send_header('Content-Length', '0')
self.end_headers()
else:
if resp.find('Not Found') != -1:
self.send_response(404, 'Not Found')
elif resp.find('Forbidden') != -1:
self.send_response(403, 'Forbidden')
elif resp.find('Bad Request') != -1:
self.send_response(400, 'Bad Request')
else:
self.send_response(200, 'OK')
self.send_header('Host', self.headers.get('Host'))
self.send_header('Authorization', self.headers.get('Authorization'))
self.send_header('Content-Type', content_type)
l = len(resp)
self.send_header('Content-Length', str(l))
self.end_headers()
self.wfile.write(bytes(resp, 'utf-8'))
# End of do_GET
# Handler for the POST requests
def do_POST(self):
print(">>> do_POST: ", self.path)
self.protocol_version = self.request_version
# Check HTTP end_headers
if self.__check_http_headers__() == False:
resp = "{\"problemDetails\": {\t\"type\": \"Bad Request\",\t\"title\": \"N/A\",\t\"status\": 400,\t\"detail\": \"Wrong headers\",\t\"instance\": \"N/A\"}}"
self.protocol_version = self.request_version
self.send_response(400, 'Bad Request')
self.send_header('Host', self.headers.get('Host'))
self.send_header('Authorization', self.headers.get('Authorization'))
self.send_header('Content-Type', 'application/problem+json')
l = len(resp)
self.send_header('Content-Length', str(l))
self.end_headers()
self.wfile.write(bytes(resp, 'utf-8'))
return
resp, content_type = self.__process__()
print('do_POST: resp= ', resp, ', Content_Type= ', content_type)
if (resp == None):
self.send_response(404, 'Not Found')
self.send_header('Host', self.headers.get('Host'))
self.send_header('Authorization', self.headers.get('Authorization'))
self.send_header('Content-Type', content_type)
self.send_header('Content-Length', '0')
self.end_headers()
else:
if resp.find('Not Found') != -1:
self.send_response(404, 'Not Found')
elif resp.find('Forbidden') != -1:
self.send_response(403, 'Forbidden')
elif resp.find('Bad Request') != -1:
self.send_response(400, 'Bad Request')
elif resp.find('userTrackingSubscription') != -1:
self.send_response(201, 'Created')
else:
self.send_response(200, 'OK')
self.send_header('Host', self.headers.get('Host'))
self.send_header('Content-Type', content_type)
self.send_header('Authorization', self.headers.get('Authorization'))
self.send_header('Content-Type', content_type)
l = len(resp)
self.send_header('Content-Length', str(l))
self.end_headers()
self.wfile.write(bytes(resp, 'utf-8'))
# End of do_POST
# Check HTTP headers
def __check_http_headers__(self):
result = True
host = self.headers.get('Host')
if host == None:
print("__check_http_headers__: Failed to parse Host header")
result = False
content_type = self.headers.get('Content-Type')
print("__check_http_headers__: Failed to parse 'Content-Type' header")
result = False
auth = self.headers.get('Authorization')
if auth == None:
print("__check_http_headers__: Failed to parse 'Authorization' header")
result = False
return result
# End of __check_http_headers__
# Process the request
def __process__(self):
s = self.path.split('/')
# TODO Check HTTP headers
if s[2] == 'location' and ((s[3] == 'v1') or (s[3] == 'v2')):
return self.__process__location__api__(s)
elif s[2] == 'ui' and ((s[3] == 'v1') or (s[3] == 'v2')):
return self.__process__ue__identity__api__(s)
elif s[2] == 'rni' and ((s[3] == 'v1') or (s[3] == 'v2')):
return self.__process__rnis__api__(s)
elif s[2] == 'bwm' and ((s[3] == 'v1') or (s[3] == 'v2')):
return self.__process__bwm__api__(s)
else:
# End of __process__
# Process the LocationAPI request
def __process__location__api__(self, p_split):
print (">>> __process__location__api__: ", p_split)
resp = None
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
if p_split[4].startswith('users'): # E.g. users?zoneId=zone01
s = p_split[4].split('?')
if s.__len__() == 1: # Users list requested
resp = self.__db__.getSubscriberList(self.path)
elif s.__len__() == 2: # E.g. zoneId=zone01
s = s[1].split('=')
if s[0] == 'zoneId': # Users list into a specific zoneId requested
resp = self.__db__.getSubscriberFromZoneId(s[1], self.path)
elif s[0] == 'address':
resp = self.__db__.getSubscriberFromAddress(s[1])
elif p_split[4] == 'zones':
if p_split.__len__() == 5:
s = p_split[4].split('?')
print("__process__location__api__: ", s)
if s.__len__() == 1: # A list requested
if s[0] == 'zones':
resp = self.__db__.getZoneList(self.path)
else:
resp = "{\"Unsupported zone request\"}"
elif s.__len__() == 2: # E.g. ?
resp = "{\"Unsupported zone request\"}"
else:
resp = "{\"Unsupported " + p_split[4] + " request\"}"
elif p_split.__len__() == 7:
if p_split[6] == 'accessPoints':
resp = self.__db__.getAccessPointList(p_split[5], self.path)
else:
resp = "{\"Unsupported " + p_split[5] + " request\"}"
else:
resp = "{\"Unsupported " + p_split[4] + " request\"}"
elif p_split[4] == 'subscriptions':
if p_split.__len__() == 6:
# Extract the body if any
body = None
content_len = int(self.headers.get('Content-Length'))
if (content_len != 0):
body = self.rfile.read(content_len)
json_msg = self.__decode__json__body__(body)
if (json_msg == None):
resp = "{\"problemDetails\": {\t\"type\": \"Body processing not supported\",\t\"title\": \"UElocationAPI\",\t\"status\": 400,\t\"detail\": \"Unknown request\",\t\"instance\": \"string\"}}"
else:
resp = self.__db__.registerSubscription(json_msg, self.path)
elif p_split.__len__() == 7:
resp = self.__db__.unregisterSubscription(p_split[6])
else:
resp = "{\"Unsupported " + p_split[4] + " request\"}"
print ("<<< __process__location__api__: ", resp, ", ", content_type)
return resp, content_type
# End of __process__location__api__
# Process the ue_identityAPI request
def __process__ue__identity__api__(self, p_split):
print (">>> __process__ue__identity__api__: ", p_split)
resp = None
if p_split[4] == 'appInst98': # Used for unknown application, e.g. TC_MEC_PLAT_UETAG_003_BI
resp = "{\"problemDetails\": {\t\"type\": \"Not Authorized\",\t\"title\": \"UEidentityAPI\",\t\"status\": 403,\t\"detail\": \"Forbidden\",\t\"instance\": \"AppInst98\"}}"
else:
if p_split[5].startswith('ue_identity_tag_info'): # E.g. ue_identity_tag_info?ueIdentityTag=UeTagA
s = p_split[5].split('?')
if s[0] != 'ue_identity_tag_info':
resp = "{\"problemDetails\": {\t\"type\": \"Bad Request\",\t\"title\": \"UEidentityAPI\",\t\"status\": 400,\t\"detail\": \"Wrong parameters\",\t\"instance\": \"string\"}}"
elif s.__len__() == 1: # ue_identity_tag_info, POST
# Register/Unregister operation
body = None
# Extract the body if any
content_len = int(self.headers.get('Content-Length'))
if (content_len != 0):
body = self.rfile.read(content_len)
json_msg = self.__decode__json__body__(body)
if (json_msg == None):
resp = "{\"problemDetails\": {\t\"type\": \"Body processing not supported\",\t\"title\": \"UEidentityAPI\",\t\"status\": 400,\t\"detail\": \"Unknown request\",\t\"instance\": \"string\"}}"
else:
resp = self.__db__.registerUEidentity(p_split[4], json_msg)
elif s.__len__() == 2: # E.g. ueIdentityTag=UeTagA
s = s[1].split('=')
if s[0] == 'ueIdentityTag': # Users list into a specific zoneId requested
resp = self.__db__.getUEidentityTagInfo(p_split[4], s[1])
if (resp == None):
resp = "{\"problemDetails\": {\t\"type\": \"Not Found\",\t\"title\": \"UEidentityAPI\",\t\"status\": 404,\t\"detail\": \"Wrong parameters\",\t\"instance\": \"string\"}}"
if (resp == None):
resp = "{\"problemDetails\": {\t\"type\": \"Bad Request\",\t\"title\": \"UEidentityAPI\",\t\"status\": 400,\t\"detail\": \"Wrong parameters\",\t\"instance\": \"string\"}}"
print ("<<< __process__ue__identity__api__: ", resp, ", ", content_type)
return resp, content_type
# End of __process__ue__identity__api__
# Process the RnisAPI request
def __process__rnis__api__(self, p_split):
print ('>>> __process__rnis__api__: ', p_split)
if p_split[4].startswith('subscriptions'):
if p_split.__len__() == 6:
if p_split[5] == '':
resp = self.__db__.getSubscriptionLinkList(self.path)
if (resp == None):
resp = "{\"problemDetails\": {\t\"type\": \"Not supported\",\t\"title\": \"RnisAPI\",\t\"status\": 400,\t\"detail\": \"Wrong parameters\",\t\"instance\": \"string\"}}"
print ("<<< __process__rnis__api__: ", resp, ", ", content_type)
return resp, content_type
# End of __process__rnis__api__
# Process the BwManagementAPI request
def __process__bwm__api__(self, p_split):
print (">>> __process__bwm__api__: ", p_split)
resp = None
if p_split[4].startswith('bw_allocations'): # E.g. bw_allocation?app_instance_id=InstApp01
s = p_split[4].split('?')
if s.__len__() == 1: # ue_identity_tag_info, POST
# Register/Unregister operation
body = None
# Extract the body if any
content_len = int(self.headers.get('Content-Length'))
if (content_len != 0):
body = self.rfile.read(content_len)
json_msg = self.__decode__json__body__(body)
if (json_msg == None):
resp = "{\"problemDetails\": {\t\"type\": \"Body processing not supported\",\t\"title\": \"BwManagementAPI\",\t\"status\": 400,\t\"detail\": \"Unknown request\",\t\"instance\": \"string\"}}"
else:
resp = self.__db__.bwAllocation(json_msg)
elif s.__len__() == 2: # E.g. app_instance_id=InstApp01
s = s[1].split('=')
if s[0] == 'app_instance_id':
resp = self.__db__.getBwAllocationAppInst(p_split[4], s[1])
if (resp == None):
resp = "{\"problemDetails\": {\t\"type\": \"Not supported\",\t\"title\": \"BwManagementAPI\",\t\"status\": 400,\t\"detail\": \"Wrong parameters\",\t\"instance\": \"string\"}}"
print ("<<< __process__bwm__api__: ", resp, ", ", content_type)
return resp, content_type
# End of __process__bwm__api__
# Decode a Json HTTP body message
def __decode__json__body__(self, p_body):
json_msg = json.loads(p_body)
print("__decode__json__body__: ", type(json_msg))
print("__decode__json__body__: ", json_msg.keys())
if ("ueIdentityTags" in json_msg.keys()) == True:
return json_msg.get("ueIdentityTags")[0]
elif ("userTrackingSubscription" in json_msg.keys()) == True:
return json_msg.get("userTrackingSubscription")
return None
# End of __decode__json__body__
# End of class SimpleHTTPRequestHandler