osmclient/sol005/http.py

   1 # Copyright 2018 Telefonica
   2 #
   3 # All Rights Reserved.
   4 #
   5 #    Licensed under the Apache License, Version 2.0 (the "License"); you may
   6 #    not use this file except in compliance with the License. You may obtain
   7 #    a copy of the License at
   8 #
   9 #         http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 #    Unless required by applicable law or agreed to in writing, software
  12 #    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  13 #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  14 #    License for the specific language governing permissions and limitations
  15 #    under the License.
  16
  17 from io import BytesIO
  18 import pycurl
  19 import json
  20 import yaml
  21 from osmclient.common import http
  22 from osmclient.common.exceptions import ClientException
  23
  24 class Http(http.Http):
  25
  26     def __init__(self, url, user='admin', password='admin'):
  27         self._url = url
  28         self._user = user
  29         self._password = password
  30         self._http_header = None
  31
  32     def _get_curl_cmd(self, endpoint):
  33         curl_cmd = pycurl.Curl()
  34         #print self._url + endpoint
  35         curl_cmd.setopt(pycurl.URL, self._url + endpoint)
  36         curl_cmd.setopt(pycurl.SSL_VERIFYPEER, 0)
  37         curl_cmd.setopt(pycurl.SSL_VERIFYHOST, 0)
  38         if self._http_header:
  39             curl_cmd.setopt(pycurl.HTTPHEADER, self._http_header)
  40         return curl_cmd
  41
  42     def delete_cmd(self, endpoint):
  43         data = BytesIO()
  44         curl_cmd = self._get_curl_cmd(endpoint)
  45         curl_cmd.setopt(pycurl.CUSTOMREQUEST, "DELETE")
  46         curl_cmd.setopt(pycurl.WRITEFUNCTION, data.write)
  47         curl_cmd.perform()
  48         http_code = curl_cmd.getinfo(pycurl.HTTP_CODE)
  49         #print 'HTTP_CODE: {}'.format(http_code)
  50         curl_cmd.close()
  51         # TODO 202 accepted should be returned somehow
  52         if data.getvalue():
  53             return http_code, json.loads(data.getvalue().decode())
  54         else:
  55             return http_code, None
  56
  57     def send_cmd(self, endpoint='', postfields_dict=None,
  58                  formfile=None, filename=None,
  59                  put_method=False, patch_method=False):
  60         data = BytesIO()
  61         curl_cmd = self._get_curl_cmd(endpoint)
  62         if put_method:
  63             curl_cmd.setopt(pycurl.PUT, 1)
  64         elif patch_method:
  65             curl_cmd.setopt(pycurl.CUSTOMREQUEST, "PATCH")
  66         else:
  67             curl_cmd.setopt(pycurl.POST, 1)
  68         curl_cmd.setopt(pycurl.WRITEFUNCTION, data.write)
  69
  70         if postfields_dict is not None:
  71             jsondata = json.dumps(postfields_dict)
  72             curl_cmd.setopt(pycurl.POSTFIELDS, jsondata)
  73         elif formfile is not None:
  74             curl_cmd.setopt(
  75                 pycurl.HTTPPOST,
  76                 [((formfile[0],
  77                            (pycurl.FORM_FILE,
  78                             formfile[1])))])
  79         elif filename is not None:
  80             with open(filename, 'r') as stream:
  81                 postdata=stream.read()
  82             curl_cmd.setopt(pycurl.POSTFIELDS, postdata)
  83
  84         curl_cmd.perform()
  85         http_code = curl_cmd.getinfo(pycurl.HTTP_CODE)
  86         curl_cmd.close()
  87         if data.getvalue():
  88             return http_code, data.getvalue().decode()
  89         else:
  90             return http_code, None
  91
  92     def post_cmd(self, endpoint='', postfields_dict=None,
  93                  formfile=None, filename=None):
  94         return self.send_cmd(endpoint=endpoint,
  95                              postfields_dict=postfields_dict,
  96                              formfile=formfile,
  97                              filename=filename,
  98                              put_method=False, patch_method=False)
  99
 100     def put_cmd(self, endpoint='', postfields_dict=None,
 101                 formfile=None, filename=None):
 102         return self.send_cmd(endpoint=endpoint,
 103                              postfields_dict=postfields_dict,
 104                              formfile=formfile,
 105                              filename=filename,
 106                              put_method=True, patch_method=False)
 107
 108     def patch_cmd(self, endpoint='', postfields_dict=None,
 109                 formfile=None, filename=None):
 110         return self.send_cmd(endpoint=endpoint,
 111                              postfields_dict=postfields_dict,
 112                              formfile=formfile,
 113                              filename=filename,
 114                              put_method=False, patch_method=True)
 115
 116     def get2_cmd(self, endpoint):
 117         data = BytesIO()
 118         curl_cmd = self._get_curl_cmd(endpoint)
 119         curl_cmd.setopt(pycurl.HTTPGET, 1)
 120         curl_cmd.setopt(pycurl.WRITEFUNCTION, data.write)
 121         curl_cmd.perform()
 122         http_code = curl_cmd.getinfo(pycurl.HTTP_CODE)
 123         curl_cmd.close()
 124         if data.getvalue():
 125             return http_code, data.getvalue().decode()
 126         return http_code, None
 127