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Diffstat (limited to 'test/functional/test_framework/authproxy.py')
| -rw-r--r-- | test/functional/test_framework/authproxy.py | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/test/functional/test_framework/authproxy.py b/test/functional/test_framework/authproxy.py new file mode 100644 index 0000000000..9ab3094b06 --- /dev/null +++ b/test/functional/test_framework/authproxy.py @@ -0,0 +1,190 @@ +# Copyright (c) 2011 Jeff Garzik +# +# 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 +"""HTTP proxy for opening RPC connection to bitcoind. + +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 +""" + +try: + import http.client as httplib +except ImportError: + import httplib +import base64 +import decimal +import json +import logging +import socket +try: + import urllib.parse as urlparse +except ImportError: + import urlparse + +USER_AGENT = "AuthServiceProxy/0.1" + +HTTP_TIMEOUT = 30 + +log = logging.getLogger("BitcoinRPC") + +class JSONRPCException(Exception): + def __init__(self, rpc_error): + try: + errmsg = '%(message)s (%(code)i)' % rpc_error + except (KeyError, TypeError): + errmsg = '' + Exception.__init__(self, errmsg) + self.error = rpc_error + + +def EncodeDecimal(o): + if isinstance(o, decimal.Decimal): + return str(o) + raise TypeError(repr(o) + " is not JSON serializable") + +class AuthServiceProxy(object): + __id_count = 0 + + # ensure_ascii: escape unicode as \uXXXX, passed to json.dumps + def __init__(self, service_url, service_name=None, timeout=HTTP_TIMEOUT, connection=None, ensure_ascii=True): + self.__service_url = service_url + self._service_name = service_name + self.ensure_ascii = ensure_ascii # can be toggled on the fly by tests + self.__url = urlparse.urlparse(service_url) + if self.__url.port is None: + port = 80 + else: + port = self.__url.port + (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, + timeout=timeout) + else: + self.__conn = httplib.HTTPConnection(self.__url.hostname, port, + timeout=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 _request(self, method, path, postdata): + ''' + Do a HTTP request, with retry if we get disconnected (e.g. due to a timeout). + This is a workaround for https://bugs.python.org/issue3566 which is fixed in Python 3.5. + ''' + headers = {'Host': self.__url.hostname, + 'User-Agent': USER_AGENT, + 'Authorization': self.__auth_header, + 'Content-type': 'application/json'} + try: + self.__conn.request(method, path, postdata, headers) + return self._get_response() + except httplib.BadStatusLine as e: + if e.line == "''": # if connection was closed, try again + self.__conn.close() + self.__conn.request(method, path, postdata, headers) + return self._get_response() + else: + raise + except (BrokenPipeError,ConnectionResetError): + # Python 3.5+ raises BrokenPipeError instead of BadStatusLine when the connection was reset + # ConnectionResetError happens on FreeBSD with Python 3.4 + self.__conn.close() + self.__conn.request(method, path, postdata, headers) + return self._get_response() + + def __call__(self, *args, **argsn): + AuthServiceProxy.__id_count += 1 + + log.debug("-%s-> %s %s"%(AuthServiceProxy.__id_count, self._service_name, + json.dumps(args, default=EncodeDecimal, ensure_ascii=self.ensure_ascii))) + if args and argsn: + raise ValueError('Cannot handle both named and positional arguments') + postdata = json.dumps({'version': '1.1', + 'method': self._service_name, + 'params': args or argsn, + 'id': AuthServiceProxy.__id_count}, default=EncodeDecimal, ensure_ascii=self.ensure_ascii) + response = self._request('POST', self.__url.path, postdata.encode('utf-8')) + 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), default=EncodeDecimal, ensure_ascii=self.ensure_ascii) + log.debug("--> "+postdata) + return self._request('POST', self.__url.path, postdata.encode('utf-8')) + + def _get_response(self): + try: + http_response = self.__conn.getresponse() + except socket.timeout as e: + raise JSONRPCException({ + 'code': -344, + 'message': '%r RPC took longer than %f seconds. Consider ' + 'using larger timeout for calls that take ' + 'longer to return.' % (self._service_name, + self.__conn.timeout)}) + if http_response is None: + raise JSONRPCException({ + 'code': -342, 'message': 'missing HTTP response from server'}) + + content_type = http_response.getheader('Content-Type') + if content_type != 'application/json': + raise JSONRPCException({ + 'code': -342, 'message': 'non-JSON HTTP response with \'%i %s\' from server' % (http_response.status, http_response.reason)}) + + responsedata = http_response.read().decode('utf8') + response = json.loads(responsedata, parse_float=decimal.Decimal) + if "error" in response and response["error"] is None: + log.debug("<-%s- %s"%(response["id"], json.dumps(response["result"], default=EncodeDecimal, ensure_ascii=self.ensure_ascii))) + else: + log.debug("<-- "+responsedata) + return response |