# uncompyle6 version 2.9.10
# Python bytecode 2.7 (62211)
# Decompiled from: Python 3.6.0b2 (default, Oct 11 2016, 05:27:10) 
# [GCC 6.2.0 20161005]
# Embedded file name: SimpleXMLRPCServer.py
"""Simple XML-RPC Server.

This module can be used to create simple XML-RPC servers
by creating a server and either installing functions, a
class instance, or by extending the SimpleXMLRPCServer
class.

It can also be used to handle XML-RPC requests in a CGI
environment using CGIXMLRPCRequestHandler.

A list of possible usage patterns follows:

1. Install functions:

server = SimpleXMLRPCServer(("localhost", 8000))
server.register_function(pow)
server.register_function(lambda x,y: x+y, 'add')
server.serve_forever()

2. Install an instance:

class MyFuncs:
    def __init__(self):
        # make all of the string functions available through
        # string.func_name
        import string
        self.string = string
    def _listMethods(self):
        # implement this method so that system.listMethods
        # knows to advertise the strings methods
        return list_public_methods(self) +                 ['string.' + method for method in list_public_methods(self.string)]
    def pow(self, x, y): return pow(x, y)
    def add(self, x, y) : return x + y

server = SimpleXMLRPCServer(("localhost", 8000))
server.register_introspection_functions()
server.register_instance(MyFuncs())
server.serve_forever()

3. Install an instance with custom dispatch method:

class Math:
    def _listMethods(self):
        # this method must be present for system.listMethods
        # to work
        return ['add', 'pow']
    def _methodHelp(self, method):
        # this method must be present for system.methodHelp
        # to work
        if method == 'add':
            return "add(2,3) => 5"
        elif method == 'pow':
            return "pow(x, y[, z]) => number"
        else:
            # By convention, return empty
            # string if no help is available
            return ""
    def _dispatch(self, method, params):
        if method == 'pow':
            return pow(*params)
        elif method == 'add':
            return params[0] + params[1]
        else:
            raise 'bad method'

server = SimpleXMLRPCServer(("localhost", 8000))
server.register_introspection_functions()
server.register_instance(Math())
server.serve_forever()

4. Subclass SimpleXMLRPCServer:

class MathServer(SimpleXMLRPCServer):
    def _dispatch(self, method, params):
        try:
            # We are forcing the 'export_' prefix on methods that are
            # callable through XML-RPC to prevent potential security
            # problems
            func = getattr(self, 'export_' + method)
        except AttributeError:
            raise Exception('method "%s" is not supported' % method)
        else:
            return func(*params)

    def export_add(self, x, y):
        return x + y

server = MathServer(("localhost", 8000))
server.serve_forever()

5. CGI script:

server = CGIXMLRPCRequestHandler()
server.register_function(pow)
server.handle_request()
"""
import xmlrpclib
from xmlrpclib import Fault
import SocketServer
import BaseHTTPServer
import sys
import os
import traceback
import re
try:
    import fcntl
except ImportError:
    fcntl = None

def resolve_dotted_attribute(obj, attr, allow_dotted_names=True):
    """resolve_dotted_attribute(a, 'b.c.d') => a.b.c.d
    
    Resolves a dotted attribute name to an object.  Raises
    an AttributeError if any attribute in the chain starts with a '_'.
    
    If the optional allow_dotted_names argument is false, dots are not
    supported and this function operates similar to getattr(obj, attr).
    """
    if allow_dotted_names:
        attrs = attr.split('.')
    else:
        attrs = [
         attr]
    for i in attrs:
        if i.startswith('_'):
            raise AttributeError('attempt to access private attribute "%s"' % i)
        else:
            obj = getattr(obj, i)

    return obj


def list_public_methods(obj):
    """Returns a list of attribute strings, found in the specified
    object, which represent callable attributes"""
    return [ member for member in dir(obj) if not member.startswith('_') and hasattr(getattr(obj, member), '__call__')
           ]


def remove_duplicates(lst):
    """remove_duplicates([2,2,2,1,3,3]) => [3,1,2]
    
    Returns a copy of a list without duplicates. Every list
    item must be hashable and the order of the items in the
    resulting list is not defined.
    """
    u = {}
    for x in lst:
        u[x] = 1

    return u.keys()


class SimpleXMLRPCDispatcher():
    """Mix-in class that dispatches XML-RPC requests.
    
    This class is used to register XML-RPC method handlers
    and then to dispatch them. This class doesn't need to be
    instanced directly when used by SimpleXMLRPCServer but it
    can be instanced when used by the MultiPathXMLRPCServer.
    """

    def __init__(self, allow_none=False, encoding=None):
        self.funcs = {}
        self.instance = None
        self.allow_none = allow_none
        self.encoding = encoding
        return

    def register_instance(self, instance, allow_dotted_names=False):
        """Registers an instance to respond to XML-RPC requests.
        
        Only one instance can be installed at a time.
        
        If the registered instance has a _dispatch method then that
        method will be called with the name of the XML-RPC method and
        its parameters as a tuple
        e.g. instance._dispatch('add',(2,3))
        
        If the registered instance does not have a _dispatch method
        then the instance will be searched to find a matching method
        and, if found, will be called. Methods beginning with an '_'
        are considered private and will not be called by
        SimpleXMLRPCServer.
        
        If a registered function matches a XML-RPC request, then it
        will be called instead of the registered instance.
        
        If the optional allow_dotted_names argument is true and the
        instance does not have a _dispatch method, method names
        containing dots are supported and resolved, as long as none of
        the name segments start with an '_'.
        
            *** SECURITY WARNING: ***
        
            Enabling the allow_dotted_names options allows intruders
            to access your module's global variables and may allow
            intruders to execute arbitrary code on your machine.  Only
            use this option on a secure, closed network.
        
        """
        self.instance = instance
        self.allow_dotted_names = allow_dotted_names

    def register_function(self, function, name=None):
        """Registers a function to respond to XML-RPC requests.
        
        The optional name argument can be used to set a Unicode name
        for the function.
        """
        if name is None:
            name = function.__name__
        self.funcs[name] = function
        return

    def register_introspection_functions(self):
        """Registers the XML-RPC introspection methods in the system
        namespace.
        
        see http://xmlrpc.usefulinc.com/doc/reserved.html
        """
        self.funcs.update({'system.listMethods': self.system_listMethods,'system.methodSignature': self.system_methodSignature,
           'system.methodHelp': self.system_methodHelp
           })

    def register_multicall_functions(self):
        """Registers the XML-RPC multicall method in the system
        namespace.
        
        see http://www.xmlrpc.com/discuss/msgReader$1208"""
        self.funcs.update({'system.multicall': self.system_multicall})

    def _marshaled_dispatch(self, data, dispatch_method=None, path=None):
        """Dispatches an XML-RPC method from marshalled (XML) data.
        
        XML-RPC methods are dispatched from the marshalled (XML) data
        using the _dispatch method and the result is returned as
        marshalled data. For backwards compatibility, a dispatch
        function can be provided as an argument (see comment in
        SimpleXMLRPCRequestHandler.do_POST) but overriding the
        existing method through subclassing is the preferred means
        of changing method dispatch behavior.
        """
        try:
            params, method = xmlrpclib.loads(data)
            if dispatch_method is not None:
                response = dispatch_method(method, params)
            else:
                response = self._dispatch(method, params)
            response = (response,)
            response = xmlrpclib.dumps(response, methodresponse=1, allow_none=self.allow_none, encoding=self.encoding)
        except Fault as fault:
            response = xmlrpclib.dumps(fault, allow_none=self.allow_none, encoding=self.encoding)
        except:
            exc_type, exc_value, exc_tb = sys.exc_info()
            response = xmlrpclib.dumps(xmlrpclib.Fault(1, '%s:%s' % (exc_type, exc_value)), encoding=self.encoding, allow_none=self.allow_none)

        return response

    def system_listMethods(self):
        """system.listMethods() => ['add', 'subtract', 'multiple']
        
        Returns a list of the methods supported by the server."""
        methods = self.funcs.keys()
        if self.instance is not None:
            if hasattr(self.instance, '_listMethods'):
                methods = remove_duplicates(methods + self.instance._listMethods())
            elif not hasattr(self.instance, '_dispatch'):
                methods = remove_duplicates(methods + list_public_methods(self.instance))
        methods.sort()
        return methods

    def system_methodSignature(self, method_name):
        """system.methodSignature('add') => [double, int, int]
        
        Returns a list describing the signature of the method. In the
        above example, the add method takes two integers as arguments
        and returns a double result.
        
        This server does NOT support system.methodSignature."""
        return 'signatures not supported'

    def system_methodHelp(self, method_name):
        """system.methodHelp('add') => "Adds two integers together"
        
        Returns a string containing documentation for the specified method."""
        method = None
        if method_name in self.funcs:
            method = self.funcs[method_name]
        elif self.instance is not None:
            if hasattr(self.instance, '_methodHelp'):
                return self.instance._methodHelp(method_name)
            if not hasattr(self.instance, '_dispatch'):
                try:
                    method = resolve_dotted_attribute(self.instance, method_name, self.allow_dotted_names)
                except AttributeError:
                    pass

        if method is None:
            return ''
        else:
            import pydoc
            return pydoc.getdoc(method)
            return

    def system_multicall(self, call_list):
        """system.multicall([{'methodName': 'add', 'params': [2, 2]}, ...]) => [[4], ...]
        
        Allows the caller to package multiple XML-RPC calls into a single
        request.
        
        See http://www.xmlrpc.com/discuss/msgReader$1208
        """
        results = []
        for call in call_list:
            method_name = call['methodName']
            params = call['params']
            try:
                results.append([self._dispatch(method_name, params)])
            except Fault as fault:
                results.append({'faultCode': fault.faultCode,'faultString': fault.faultString
                   })
            except:
                exc_type, exc_value, exc_tb = sys.exc_info()
                results.append({'faultCode': 1,'faultString': '%s:%s' % (exc_type, exc_value)
                   })

        return results

    def _dispatch(self, method, params):
        """Dispatches the XML-RPC method.
        
        XML-RPC calls are forwarded to a registered function that
        matches the called XML-RPC method name. If no such function
        exists then the call is forwarded to the registered instance,
        if available.
        
        If the registered instance has a _dispatch method then that
        method will be called with the name of the XML-RPC method and
        its parameters as a tuple
        e.g. instance._dispatch('add',(2,3))
        
        If the registered instance does not have a _dispatch method
        then the instance will be searched to find a matching method
        and, if found, will be called.
        
        Methods beginning with an '_' are considered private and will
        not be called.
        """
        func = None
        try:
            func = self.funcs[method]
        except KeyError:
            if self.instance is not None:
                if hasattr(self.instance, '_dispatch'):
                    return self.instance._dispatch(method, params)
                try:
                    func = resolve_dotted_attribute(self.instance, method, self.allow_dotted_names)
                except AttributeError:
                    pass

        if func is not None:
            return func(*params)
        else:
            raise Exception('method "%s" is not supported' % method)
            return


class SimpleXMLRPCRequestHandler(BaseHTTPServer.BaseHTTPRequestHandler):
    """Simple XML-RPC request handler class.
    
    Handles all HTTP POST requests and attempts to decode them as
    XML-RPC requests.
    """
    rpc_paths = ('/', '/RPC2')
    encode_threshold = 1400
    wbufsize = -1
    disable_nagle_algorithm = True
    aepattern = re.compile('\n                            \\s* ([^\\s;]+) \\s*            #content-coding\n                            (;\\s* q \\s*=\\s* ([0-9\\.]+))? #q\n                            ', re.VERBOSE | re.IGNORECASE)

    def accept_encodings(self):
        r = {}
        ae = self.headers.get('Accept-Encoding', '')
        for e in ae.split(','):
            match = self.aepattern.match(e)
            if match:
                v = match.group(3)
                v = float(v) if v else 1.0
                r[match.group(1)] = v

        return r

    def is_rpc_path_valid(self):
        if self.rpc_paths:
            return self.path in self.rpc_paths
        else:
            return True

    def do_POST(self):
        """Handles the HTTP POST request.
        
        Attempts to interpret all HTTP POST requests as XML-RPC calls,
        which are forwarded to the server's _dispatch method for handling.
        """
        if not self.is_rpc_path_valid():
            self.report_404()
            return
        else:
            try:
                max_chunk_size = 10485760
                size_remaining = int(self.headers['content-length'])
                L = []
                while size_remaining:
                    chunk_size = min(size_remaining, max_chunk_size)
                    L.append(self.rfile.read(chunk_size))
                    size_remaining -= len(L[-1])

                data = ''.join(L)
                data = self.decode_request_content(data)
                if data is None:
                    return
                response = self.server._marshaled_dispatch(data, getattr(self, '_dispatch', None), self.path)
            except Exception as e:
                self.send_response(500)
                if hasattr(self.server, '_send_traceback_header') and self.server._send_traceback_header:
                    self.send_header('X-exception', str(e))
                    self.send_header('X-traceback', traceback.format_exc())
                self.send_header('Content-length', '0')
                self.end_headers()
            else:
                self.send_response(200)
                self.send_header('Content-type', 'text/xml')
                if self.encode_threshold is not None:
                    if len(response) > self.encode_threshold:
                        q = self.accept_encodings().get('gzip', 0)
                        if q:
                            try:
                                response = xmlrpclib.gzip_encode(response)
                                self.send_header('Content-Encoding', 'gzip')
                            except NotImplementedError:
                                pass

                self.send_header('Content-length', str(len(response)))
                self.end_headers()
                self.wfile.write(response)

            return

    def decode_request_content(self, data):
        encoding = self.headers.get('content-encoding', 'identity').lower()
        if encoding == 'identity':
            return data
        if encoding == 'gzip':
            try:
                return xmlrpclib.gzip_decode(data)
            except NotImplementedError:
                self.send_response(501, 'encoding %r not supported' % encoding)
            except ValueError:
                self.send_response(400, 'error decoding gzip content')

        else:
            self.send_response(501, 'encoding %r not supported' % encoding)
        self.send_header('Content-length', '0')
        self.end_headers()

    def report_404(self):
        self.send_response(404)
        response = 'No such page'
        self.send_header('Content-type', 'text/plain')
        self.send_header('Content-length', str(len(response)))
        self.end_headers()
        self.wfile.write(response)

    def log_request(self, code='-', size='-'):
        """Selectively log an accepted request."""
        if self.server.logRequests:
            BaseHTTPServer.BaseHTTPRequestHandler.log_request(self, code, size)


class SimpleXMLRPCServer(SocketServer.TCPServer, SimpleXMLRPCDispatcher):
    """Simple XML-RPC server.
    
    Simple XML-RPC server that allows functions and a single instance
    to be installed to handle requests. The default implementation
    attempts to dispatch XML-RPC calls to the functions or instance
    installed in the server. Override the _dispatch method inhereted
    from SimpleXMLRPCDispatcher to change this behavior.
    """
    allow_reuse_address = True
    _send_traceback_header = False

    def __init__(self, addr, requestHandler=SimpleXMLRPCRequestHandler, logRequests=True, allow_none=False, encoding=None, bind_and_activate=True):
        self.logRequests = logRequests
        SimpleXMLRPCDispatcher.__init__(self, allow_none, encoding)
        SocketServer.TCPServer.__init__(self, addr, requestHandler, bind_and_activate)
        if fcntl is not None and hasattr(fcntl, 'FD_CLOEXEC'):
            flags = fcntl.fcntl(self.fileno(), fcntl.F_GETFD)
            flags |= fcntl.FD_CLOEXEC
            fcntl.fcntl(self.fileno(), fcntl.F_SETFD, flags)
        return


class MultiPathXMLRPCServer(SimpleXMLRPCServer):
    """Multipath XML-RPC Server
    This specialization of SimpleXMLRPCServer allows the user to create
    multiple Dispatcher instances and assign them to different
    HTTP request paths.  This makes it possible to run two or more
    'virtual XML-RPC servers' at the same port.
    Make sure that the requestHandler accepts the paths in question.
    """

    def __init__(self, addr, requestHandler=SimpleXMLRPCRequestHandler, logRequests=True, allow_none=False, encoding=None, bind_and_activate=True):
        SimpleXMLRPCServer.__init__(self, addr, requestHandler, logRequests, allow_none, encoding, bind_and_activate)
        self.dispatchers = {}
        self.allow_none = allow_none
        self.encoding = encoding

    def add_dispatcher(self, path, dispatcher):
        self.dispatchers[path] = dispatcher
        return dispatcher

    def get_dispatcher(self, path):
        return self.dispatchers[path]

    def _marshaled_dispatch(self, data, dispatch_method=None, path=None):
        try:
            response = self.dispatchers[path]._marshaled_dispatch(data, dispatch_method, path)
        except:
            exc_type, exc_value = sys.exc_info()[:2]
            response = xmlrpclib.dumps(xmlrpclib.Fault(1, '%s:%s' % (exc_type, exc_value)), encoding=self.encoding, allow_none=self.allow_none)

        return response


class CGIXMLRPCRequestHandler(SimpleXMLRPCDispatcher):
    """Simple handler for XML-RPC data passed through CGI."""

    def __init__(self, allow_none=False, encoding=None):
        SimpleXMLRPCDispatcher.__init__(self, allow_none, encoding)

    def handle_xmlrpc(self, request_text):
        """Handle a single XML-RPC request"""
        response = self._marshaled_dispatch(request_text)
        print 'Content-Type: text/xml'
        print 'Content-Length: %d' % len(response)
        print
        sys.stdout.write(response)

    def handle_get(self):
        """Handle a single HTTP GET request.
        
        Default implementation indicates an error because
        XML-RPC uses the POST method.
        """
        code = 400
        message, explain = BaseHTTPServer.BaseHTTPRequestHandler.responses[code]
        response = BaseHTTPServer.DEFAULT_ERROR_MESSAGE % {'code': code,
           'message': message,
           'explain': explain
           }
        print 'Status: %d %s' % (code, message)
        print 'Content-Type: %s' % BaseHTTPServer.DEFAULT_ERROR_CONTENT_TYPE
        print 'Content-Length: %d' % len(response)
        print
        sys.stdout.write(response)

    def handle_request(self, request_text=None):
        """Handle a single XML-RPC request passed through a CGI post method.
        
        If no XML data is given then it is read from stdin. The resulting
        XML-RPC response is printed to stdout along with the correct HTTP
        headers.
        """
        if request_text is None and os.environ.get('REQUEST_METHOD', None) == 'GET':
            self.handle_get()
        else:
            try:
                length = int(os.environ.get('CONTENT_LENGTH', None))
            except (TypeError, ValueError):
                length = -1

            if request_text is None:
                request_text = sys.stdin.read(length)
            self.handle_xmlrpc(request_text)
        return


if __name__ == '__main__':
    print 'Running XML-RPC server on port 8000'
    server = SimpleXMLRPCServer(('localhost', 8000))
    server.register_function(pow)
    server.register_function(lambda x, y: x + y, 'add')
    server.serve_forever()