1 | #!/usr/bin/python |
---|
2 | |
---|
3 | from BaseHTTPServer import BaseHTTPRequestHandler |
---|
4 | |
---|
5 | from M2Crypto import SSL |
---|
6 | from M2Crypto.SSL.SSLServer import ForkingSSLServer |
---|
7 | import xmlrpclib |
---|
8 | |
---|
9 | # The SSL server here is based on the implementation described at |
---|
10 | # http://www.xml.com/pub/a/ws/2004/01/20/salz.html |
---|
11 | |
---|
12 | # Turn off the matching of hostname to certificate ID |
---|
13 | SSL.Connection.clientPostConnectionCheck = None |
---|
14 | |
---|
15 | class server(ForkingSSLServer): |
---|
16 | """ |
---|
17 | Interface the fedd services to the XMLRPC and SOAP interfaces |
---|
18 | """ |
---|
19 | def __init__(self, ME, ssl_ctx): |
---|
20 | """ |
---|
21 | Create an SSL server that handles the transport in handler using the |
---|
22 | credentials in ssl_ctx. ME is the host port pair on which to bind. |
---|
23 | """ |
---|
24 | |
---|
25 | ForkingSSLServer.__init__(self, ME, xmlrpc_handler, ssl_ctx) |
---|
26 | |
---|
27 | # def handle_error(self, request=None, address=None): |
---|
28 | # """ |
---|
29 | # The default SSLServer prints a stack trace here. This is a little |
---|
30 | # friendlier. |
---|
31 | # """ |
---|
32 | # if request or address: |
---|
33 | # print "[partialprover] Error on incoming connection: %s %s" % \ |
---|
34 | # (request or "", address or "") |
---|
35 | # else: |
---|
36 | # print "[partialprover] Error on incoming connection " + \ |
---|
37 | # "(Likely SSL error)" |
---|
38 | |
---|
39 | class xmlrpc_handler(BaseHTTPRequestHandler): |
---|
40 | """ |
---|
41 | Standard connection between XMLRPC and the fedd services in impl. |
---|
42 | |
---|
43 | Much of this is boilerplate from |
---|
44 | http://www.xml.com/pub/a/ws/2004/01/20/salz.html |
---|
45 | """ |
---|
46 | server_version = "libabac/0.2 " + BaseHTTPRequestHandler.server_version |
---|
47 | |
---|
48 | def send_xml(self, text, code=200): |
---|
49 | """Send an XML document as reply""" |
---|
50 | self.send_response(code) |
---|
51 | self.send_header('Content-type', 'text/xml; charset="utf-8"') |
---|
52 | self.send_header('Content-Length', str(len(text))) |
---|
53 | self.end_headers() |
---|
54 | self.wfile.write(text) |
---|
55 | self.wfile.flush() |
---|
56 | # Make sure to close the socket when we're done |
---|
57 | self.request.socket.close() |
---|
58 | |
---|
59 | def do_POST(self): |
---|
60 | """Treat an HTTP POST request as an XMLRPC service call""" |
---|
61 | # NB: XMLRPC faults are not HTTP errors, so the code is always 200, |
---|
62 | # unless an HTTP error occurs, which we don't handle. |
---|
63 | |
---|
64 | resp = None |
---|
65 | data = None |
---|
66 | method = None |
---|
67 | cl = int(self.headers['content-length']) |
---|
68 | data = self.rfile.read(cl) |
---|
69 | |
---|
70 | try: |
---|
71 | params, method = xmlrpclib.loads(data) |
---|
72 | except xmlrpclib.ResponseError: |
---|
73 | data = xmlrpclib.dumps(xmlrpclib.Fault("Client", |
---|
74 | "Malformed request"), methodresponse=True) |
---|
75 | |
---|
76 | if method != None: |
---|
77 | try: |
---|
78 | resp = self.xmlrpc_dispatch(method, params, |
---|
79 | fedid(cert=self.request.get_peer_cert())) |
---|
80 | data = xmlrpclib.dumps((resp,), encoding='UTF-8', |
---|
81 | methodresponse=True) |
---|
82 | except xmlrpclib.Fault, f: |
---|
83 | data = xmlrpclib.dumps(f, methodresponse=True) |
---|
84 | resp = None |
---|
85 | |
---|
86 | self.send_xml(data) |
---|
87 | |
---|
88 | def xmlrpc_dispatch(self, method, req, fid): |
---|
89 | """ |
---|
90 | The connection to the implementation, using the method maps |
---|
91 | |
---|
92 | The implementation provides a mapping from XMLRPC method name to the |
---|
93 | method in the implementation that provides the service. |
---|
94 | """ |
---|
95 | if self.server.xmlrpc_methods.has_key(method): |
---|
96 | try: |
---|
97 | return self.server.xmlrpc_methods[method](req, fid) |
---|
98 | except service_error, e: |
---|
99 | raise xmlrpclib.Fault(e.code_string(), e.desc) |
---|
100 | else: |
---|
101 | raise xmlrpclib.Fault(100, "Unknown method: %s" % method) |
---|