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Diffstat (limited to 'bitcoinrpc/authproxy.py')
| -rw-r--r-- | bitcoinrpc/authproxy.py | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/bitcoinrpc/authproxy.py b/bitcoinrpc/authproxy.py new file mode 100644 index 0000000000..2914477170 --- /dev/null +++ b/bitcoinrpc/authproxy.py @@ -0,0 +1,140 @@ + +""" + Copyright 2011 Jeff Garzik + + AuthServiceProxy has the following improvements over python-jsonrpc's + ServiceProxy class: + + - HTTP connections persist for the life of the AuthServiceProxy object + (if server supports HTTP/1.1) + - sends protocol 'version', per JSON-RPC 1.1 + - sends proper, incrementing 'id' + - sends Basic HTTP authentication headers + - parses all JSON numbers that look like floats as Decimal + - uses standard Python json lib + + Previous copyright, from python-jsonrpc/jsonrpc/proxy.py: + + Copyright (c) 2007 Jan-Klaas Kollhof + + This file is part of jsonrpc. + + jsonrpc is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + This software is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this software; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +""" + +try: + import http.client as httplib +except ImportError: + import httplib +import base64 +import json +import decimal +try: + import urllib.parse as urlparse +except ImportError: + import urlparse + +USER_AGENT = "AuthServiceProxy/0.1" + +HTTP_TIMEOUT = 30 + + +class JSONRPCException(Exception): + def __init__(self, rpc_error): + Exception.__init__(self) + self.error = rpc_error + + +class AuthServiceProxy(object): + def __init__(self, service_url, service_name=None, timeout=HTTP_TIMEOUT, connection=None): + self.__service_url = service_url + self.__service_name = service_name + self.__url = urlparse.urlparse(service_url) + if self.__url.port is None: + port = 80 + else: + port = self.__url.port + self.__id_count = 0 + (user, passwd) = (self.__url.username, self.__url.password) + try: + user = user.encode('utf8') + except AttributeError: + pass + try: + passwd = passwd.encode('utf8') + except AttributeError: + pass + authpair = user + b':' + passwd + self.__auth_header = b'Basic ' + base64.b64encode(authpair) + + if connection: + # Callables re-use the connection of the original proxy + self.__conn = connection + elif self.__url.scheme == 'https': + self.__conn = httplib.HTTPSConnection(self.__url.hostname, port, + None, None, False, + timeout) + else: + self.__conn = httplib.HTTPConnection(self.__url.hostname, port, + False, timeout) + + def __getattr__(self, name): + if name.startswith('__') and name.endswith('__'): + # Python internal stuff + raise AttributeError + if self.__service_name is not None: + name = "%s.%s" % (self.__service_name, name) + return AuthServiceProxy(self.__service_url, name, connection=self.__conn) + + def __call__(self, *args): + self.__id_count += 1 + + postdata = json.dumps({'version': '1.1', + 'method': self.__service_name, + 'params': args, + 'id': self.__id_count}) + self.__conn.request('POST', self.__url.path, postdata, + {'Host': self.__url.hostname, + 'User-Agent': USER_AGENT, + 'Authorization': self.__auth_header, + 'Content-type': 'application/json'}) + + response = self._get_response() + if response['error'] is not None: + raise JSONRPCException(response['error']) + elif 'result' not in response: + raise JSONRPCException({ + 'code': -343, 'message': 'missing JSON-RPC result'}) + else: + return response['result'] + + def _batch(self, rpc_call_list): + postdata = json.dumps(list(rpc_call_list)) + self.__conn.request('POST', self.__url.path, postdata, + {'Host': self.__url.hostname, + 'User-Agent': USER_AGENT, + 'Authorization': self.__auth_header, + 'Content-type': 'application/json'}) + + return self._get_response() + + def _get_response(self): + http_response = self.__conn.getresponse() + if http_response is None: + raise JSONRPCException({ + 'code': -342, 'message': 'missing HTTP response from server'}) + + return json.loads(http_response.read().decode('utf8'), + parse_float=decimal.Decimal) |