1 | #!/usr/local/bin/python |
---|
2 | |
---|
3 | import copy |
---|
4 | |
---|
5 | from socket import error as socket_error |
---|
6 | from socket import sslerror |
---|
7 | |
---|
8 | import M2Crypto.httpslib |
---|
9 | from M2Crypto import SSL |
---|
10 | from M2Crypto.m2xmlrpclib import SSL_Transport |
---|
11 | from M2Crypto.SSL import SSLError |
---|
12 | from M2Crypto.BIO import BIOError |
---|
13 | from ZSI import ParseException, FaultException, SoapWriter |
---|
14 | |
---|
15 | # Underlying SOAP comms use this and we need to catch their exceptions |
---|
16 | import httplib |
---|
17 | |
---|
18 | from service_error import service_error |
---|
19 | from xmlrpclib import ServerProxy, dumps, loads, Fault, Error, Binary |
---|
20 | |
---|
21 | import fedd_services |
---|
22 | import fedd_internal_services |
---|
23 | from util import fedd_ssl_context |
---|
24 | from fedid import fedid |
---|
25 | import parse_detail |
---|
26 | |
---|
27 | # Turn off the matching of hostname to certificate ID |
---|
28 | SSL.Connection.clientPostConnectionCheck = None |
---|
29 | |
---|
30 | # Used by the remote_service_base class. |
---|
31 | def to_binary(o): |
---|
32 | """ |
---|
33 | A function that converts an object into an xmlrpclib.Binary using |
---|
34 | either its internal packing method, or the standard Binary constructor. |
---|
35 | """ |
---|
36 | pack = getattr(o, 'pack_xmlrpc', None) |
---|
37 | if callable(pack): return Binary(pack()) |
---|
38 | else: return Binary(o) |
---|
39 | |
---|
40 | # Classes that encapsulate the process of making and dealing with requests to |
---|
41 | # WSDL-generated and XMLRPC remote accesses. |
---|
42 | |
---|
43 | class remote_service_base: |
---|
44 | """ |
---|
45 | This invisible base class encapsulates the functions used to massage the |
---|
46 | dictionaries used to pass parameters into and out of the RPC formats. It's |
---|
47 | mostly a container for the static methods to do that work, but defines some |
---|
48 | maps sued by sub classes on apply_to_tags |
---|
49 | """ |
---|
50 | # A map used to convert fedid fields to fedid objects (when the field is |
---|
51 | # already a string) |
---|
52 | fedid_to_object = ( ('fedid', lambda x: fedid(bits=x)),) |
---|
53 | # A map used by apply_to_tags to convert fedids from xmlrpclib.Binary |
---|
54 | # objects to fedid objects in one sweep. |
---|
55 | decap_fedids = (('fedid', lambda x: fedid(bits=x.data)),) |
---|
56 | # A map used to encapsulate fedids into xmlrpclib.Binary objects |
---|
57 | encap_fedids = (('fedid', to_binary),) |
---|
58 | |
---|
59 | @staticmethod |
---|
60 | def pack_soap(container, name, contents): |
---|
61 | """ |
---|
62 | Convert the dictionary in contents into a tree of ZSI classes. |
---|
63 | |
---|
64 | The holder classes are constructed from factories in container and |
---|
65 | assigned to either the element or attribute name. This is used to |
---|
66 | recursively create the SOAP message. |
---|
67 | """ |
---|
68 | if getattr(contents, "__iter__", None) != None: |
---|
69 | attr =getattr(container, "new_%s" % name, None) |
---|
70 | if attr: obj = attr() |
---|
71 | else: |
---|
72 | raise TypeError("%s does not have a new_%s attribute" % \ |
---|
73 | (container, name)) |
---|
74 | for e, v in contents.iteritems(): |
---|
75 | assign = getattr(obj, "set_element_%s" % e, None) or \ |
---|
76 | getattr(obj, "set_attribute_%s" % e, None) |
---|
77 | if isinstance(v, type(dict())): |
---|
78 | assign(remote_service_base.pack_soap(obj, e, v)) |
---|
79 | elif getattr(v, "__iter__", None) != None: |
---|
80 | assign([ remote_service_base.pack_soap(obj, e, val ) \ |
---|
81 | for val in v]) |
---|
82 | elif getattr(v, "pack_soap", None) != None: |
---|
83 | assign(v.pack_soap()) |
---|
84 | else: |
---|
85 | assign(v) |
---|
86 | return obj |
---|
87 | else: return contents |
---|
88 | |
---|
89 | @staticmethod |
---|
90 | def unpack_soap(element): |
---|
91 | """ |
---|
92 | Convert a tree of ZSI SOAP classes intro a hash. The inverse of |
---|
93 | pack_soap |
---|
94 | |
---|
95 | Elements or elements that are empty are ignored. |
---|
96 | """ |
---|
97 | methods = [ m for m in dir(element) \ |
---|
98 | if m.startswith("get_element") or m.startswith("get_attribute")] |
---|
99 | if len(methods) > 0: |
---|
100 | rv = { } |
---|
101 | for m in methods: |
---|
102 | if m.startswith("get_element_"): |
---|
103 | n = m.replace("get_element_","",1) |
---|
104 | else: |
---|
105 | n = m.replace("get_attribute_", "", 1) |
---|
106 | sub = getattr(element, m)() |
---|
107 | if sub != None: |
---|
108 | if isinstance(sub, basestring): |
---|
109 | rv[n] = sub |
---|
110 | elif getattr(sub, "__iter__", None) != None: |
---|
111 | if len(sub) > 0: rv[n] = \ |
---|
112 | [remote_service_base.unpack_soap(e) \ |
---|
113 | for e in sub] |
---|
114 | else: |
---|
115 | rv[n] = remote_service_base.unpack_soap(sub) |
---|
116 | return rv |
---|
117 | else: |
---|
118 | return element |
---|
119 | |
---|
120 | @staticmethod |
---|
121 | def apply_to_tags(e, map): |
---|
122 | """ |
---|
123 | Map is an iterable of ordered pairs (tuples) that map a key to a |
---|
124 | function. |
---|
125 | This function walks the given message and replaces any object with a |
---|
126 | key in the map with the result of applying that function to the object. |
---|
127 | """ |
---|
128 | if isinstance(e, dict): |
---|
129 | for k in e.keys(): |
---|
130 | for tag, fcn in map: |
---|
131 | if k == tag: |
---|
132 | if isinstance(e[k], list): |
---|
133 | e[k] = [ fcn(b) for b in e[k]] |
---|
134 | else: |
---|
135 | e[k] = fcn(e[k]) |
---|
136 | elif isinstance(e[k], dict): |
---|
137 | remote_service_base.apply_to_tags(e[k], map) |
---|
138 | elif isinstance(e[k], list): |
---|
139 | for ee in e[k]: |
---|
140 | remote_service_base.apply_to_tags(ee, map) |
---|
141 | # Other types end the recursion - they should be leaves |
---|
142 | return e |
---|
143 | |
---|
144 | @staticmethod |
---|
145 | def strip_unicode(obj): |
---|
146 | """Walk through a message and convert all strings to non-unicode |
---|
147 | strings""" |
---|
148 | if isinstance(obj, dict): |
---|
149 | for k in obj.keys(): |
---|
150 | obj[k] = remote_service_base.strip_unicode(obj[k]) |
---|
151 | return obj |
---|
152 | elif isinstance(obj, basestring) and not isinstance(obj, str): |
---|
153 | return str(obj) |
---|
154 | elif getattr(obj, "__iter__", None): |
---|
155 | return [ remote_service_base.strip_unicode(x) for x in obj] |
---|
156 | else: |
---|
157 | return obj |
---|
158 | |
---|
159 | @staticmethod |
---|
160 | def make_unicode(obj): |
---|
161 | """Walk through a message and convert all strings to unicode""" |
---|
162 | if isinstance(obj, dict): |
---|
163 | for k in obj.keys(): |
---|
164 | obj[k] = remote_service_base.make_unicode(obj[k]) |
---|
165 | return obj |
---|
166 | elif isinstance(obj, basestring) and not isinstance(obj, unicode): |
---|
167 | return unicode(obj) |
---|
168 | elif getattr(obj, "__iter__", None): |
---|
169 | return [ remote_service_base.make_unicode(x) for x in obj] |
---|
170 | else: |
---|
171 | return obj |
---|
172 | |
---|
173 | |
---|
174 | |
---|
175 | class soap_handler(remote_service_base): |
---|
176 | """ |
---|
177 | Encapsulate the handler code to unpack and pack SOAP requests and responses |
---|
178 | and call the given method. |
---|
179 | |
---|
180 | The code to decapsulate and encapsulate parameters encoded in SOAP is the |
---|
181 | same modulo a few parameters. This is a functor that calls a fedd service |
---|
182 | trhough a soap interface. The parameters are the typecode of the request |
---|
183 | parameters, the method to call (usually a bound instance of a method on a |
---|
184 | fedd service providing class), the constructor of a response packet and the |
---|
185 | name of the body element of that packet. The handler takes a ParsedSoap |
---|
186 | object (the request) and returns an instance of the class created by |
---|
187 | constructor containing the response. Failures of the constructor or badly |
---|
188 | created constructors will result in None being returned. |
---|
189 | """ |
---|
190 | def __init__(self, service_name, method, typecode=None, |
---|
191 | constructor=None, body_name=None): |
---|
192 | self.method = method |
---|
193 | |
---|
194 | response_class_name = "%sResponseMessage" % service_name |
---|
195 | request_class_name = "%sRequestMessage" % service_name |
---|
196 | |
---|
197 | if body_name: self.body_name = body_name |
---|
198 | else: self.body_name = "%sResponseBody" % service_name |
---|
199 | |
---|
200 | if constructor: self.constructor = constructor |
---|
201 | else: |
---|
202 | self.constructor = self.get_class(response_class_name) |
---|
203 | if not self.constructor: |
---|
204 | raise service_error(service_error.internal, |
---|
205 | "Cannot find class for %s" % response_class_name) |
---|
206 | |
---|
207 | if typecode: self.typecode = typecode |
---|
208 | else: |
---|
209 | req = self.get_class(request_class_name) |
---|
210 | if req: |
---|
211 | self.typecode = req.typecode |
---|
212 | else: |
---|
213 | raise service_error(service_error.internal, |
---|
214 | "Cannot find class for %s" % request_class_name) |
---|
215 | |
---|
216 | if not self.typecode: |
---|
217 | raise service_error(service_error.internal, |
---|
218 | "Cannot get typecode for %s" % class_name) |
---|
219 | |
---|
220 | def get_class(self, class_name): |
---|
221 | return getattr(fedd_services, class_name, None) or \ |
---|
222 | getattr(fedd_internal_services, class_name, None) |
---|
223 | |
---|
224 | def __call__(self, ps, fid): |
---|
225 | req = ps.Parse(self.typecode) |
---|
226 | # Convert the message to a dict with the fedid strings converted to |
---|
227 | # fedid objects |
---|
228 | req = self.apply_to_tags(self.unpack_soap(req), self.fedid_to_object) |
---|
229 | |
---|
230 | msg = self.method(req, fid) |
---|
231 | |
---|
232 | resp = self.constructor() |
---|
233 | set_element = getattr(resp, "set_element_%s" % self.body_name, None) |
---|
234 | if set_element and callable(set_element): |
---|
235 | try: |
---|
236 | set_element(self.pack_soap(resp, self.body_name, msg)) |
---|
237 | return resp |
---|
238 | except (NameError, TypeError): |
---|
239 | return None |
---|
240 | else: |
---|
241 | return None |
---|
242 | |
---|
243 | class xmlrpc_handler(remote_service_base): |
---|
244 | """ |
---|
245 | Generate the handler code to unpack and pack XMLRPC requests and responses |
---|
246 | and call the given method. |
---|
247 | |
---|
248 | The code to marshall and unmarshall XMLRPC parameters to and from a fedd |
---|
249 | service is largely the same. This helper creates such a handler. The |
---|
250 | parameters are the method name, and the name of the body struct that |
---|
251 | contains the response. A handler is created that takes the params response |
---|
252 | from an xmlrpclib.loads on the incoming rpc and a fedid and responds with |
---|
253 | a hash representing the struct ro be returned to the other side. On error |
---|
254 | None is returned. Fedid fields are decapsulated from binary and converted |
---|
255 | to fedid objects on input and encapsulated as Binaries on output. |
---|
256 | """ |
---|
257 | def __init__(self, service_name, method): |
---|
258 | self.method = method |
---|
259 | self.body_name = "%sResponseBody" % service_name |
---|
260 | |
---|
261 | def __call__(self, params, fid): |
---|
262 | msg = None |
---|
263 | |
---|
264 | p = self.apply_to_tags(params[0], self.decap_fedids) |
---|
265 | try: |
---|
266 | msg = self.method(p, fid) |
---|
267 | except service_error, e: |
---|
268 | raise Fault(e.code, "%s: %s" % (e.code_string(), e.desc)) |
---|
269 | if msg != None: |
---|
270 | return self.make_unicode(self.apply_to_tags(\ |
---|
271 | { self.body_name: msg }, self.encap_fedids)) |
---|
272 | else: |
---|
273 | return None |
---|
274 | |
---|
275 | class service_caller(remote_service_base): |
---|
276 | def __init__(self, service_name, request_message=None, |
---|
277 | request_body_name=None, tracefile=None, strict=True, |
---|
278 | log=None, max_retries=None): |
---|
279 | self.service_name = service_name |
---|
280 | |
---|
281 | if getattr(fedd_services.feddBindingSOAP, service_name, None): |
---|
282 | self.locator = fedd_services.feddServiceLocator |
---|
283 | self.port_name = 'getfeddPortType' |
---|
284 | elif getattr(fedd_internal_services.feddInternalBindingSOAP, |
---|
285 | service_name, None): |
---|
286 | self.locator = fedd_internal_services.feddInternalServiceLocator |
---|
287 | self.port_name = 'getfeddInternalPortType' |
---|
288 | |
---|
289 | if request_message: self.request_message = request_message |
---|
290 | else: |
---|
291 | request_message_name = "%sRequestMessage" % service_name |
---|
292 | self.request_message = \ |
---|
293 | getattr(fedd_services, request_message_name, None) or \ |
---|
294 | getattr(fedd_internal_services, request_message_name, None) |
---|
295 | if not self.request_message and strict: |
---|
296 | raise service_error(service_error.internal, |
---|
297 | "Cannot find class for %s" % request_message_name) |
---|
298 | |
---|
299 | if request_body_name is not None: |
---|
300 | self.request_body_name = request_body_name |
---|
301 | else: |
---|
302 | self.request_body_name = "%sRequestBody" % service_name |
---|
303 | |
---|
304 | self.tracefile = tracefile |
---|
305 | self.__call__ = self.call_service |
---|
306 | if max_retries is not None: self.max_retries = max_retries |
---|
307 | else: self.max_retries = 5 |
---|
308 | self.log = log |
---|
309 | |
---|
310 | def serialize_soap(self, req): |
---|
311 | """ |
---|
312 | Return a string containing the message that would be sent to call this |
---|
313 | service with the given request. |
---|
314 | """ |
---|
315 | msg = self.request_message() |
---|
316 | set_element = getattr(msg, "set_element_%s" % self.request_body_name, |
---|
317 | None) |
---|
318 | if not set_element: |
---|
319 | raise service_error(service_error.internal, |
---|
320 | "Cannot get element setting method for %s" % \ |
---|
321 | self.request_body_name) |
---|
322 | set_element(self.pack_soap(msg, self.request_body_name, req)) |
---|
323 | sw = SoapWriter() |
---|
324 | sw.serialize(msg) |
---|
325 | return unicode(sw) |
---|
326 | |
---|
327 | def call_xmlrpc_service(self, url, req, cert_file=None, cert_pwd=None, |
---|
328 | trusted_certs=None, context=None, tracefile=None): |
---|
329 | """Send an XMLRPC request. """ |
---|
330 | |
---|
331 | |
---|
332 | # If a context is given, use it. Otherwise construct one from |
---|
333 | # components. The construction shouldn't call out for passwords. |
---|
334 | if context: |
---|
335 | ctx = context |
---|
336 | else: |
---|
337 | try: |
---|
338 | ctx = fedd_ssl_context(cert_file, trusted_certs, |
---|
339 | password=cert_pwd) |
---|
340 | except SSL.SSLError: |
---|
341 | raise service_error(service_error.server_config, |
---|
342 | "Certificates misconfigured") |
---|
343 | |
---|
344 | # Of all the dumbass things. The XMLRPC library in use here won't |
---|
345 | # properly encode unicode strings, so we make a copy of req with |
---|
346 | # the unicode objects converted. We also convert the url to a |
---|
347 | # basic string if it isn't one already. |
---|
348 | r = self.strip_unicode(copy.deepcopy(req)) |
---|
349 | if self.request_body_name: |
---|
350 | r = self.apply_to_tags(\ |
---|
351 | { self.request_body_name: r}, self.encap_fedids) |
---|
352 | else: |
---|
353 | r = self.apply_to_tags(r, self.encap_fedids) |
---|
354 | |
---|
355 | url = str(url) |
---|
356 | ok = False |
---|
357 | retries = 0 |
---|
358 | |
---|
359 | while not ok and retries < self.max_retries: |
---|
360 | try: |
---|
361 | transport = SSL_Transport(ctx) |
---|
362 | port = ServerProxy(url, transport=transport) |
---|
363 | remote_method = getattr(port, self.service_name, None) |
---|
364 | resp = remote_method(r) |
---|
365 | ok = True |
---|
366 | except socket_error, e: |
---|
367 | raise service_error(service_error.connect, |
---|
368 | "Cannot connect to %s: %s" % (url, e[1])) |
---|
369 | except BIOError, e: |
---|
370 | if self.log: |
---|
371 | self.log.warn("BIO error contacting %s: %s" % (url, e)) |
---|
372 | retries += 1 |
---|
373 | except sslerror, e: |
---|
374 | if self.log: |
---|
375 | self.log.warn("SSL (socket) error contacting %s: %s" % |
---|
376 | (url, e)) |
---|
377 | retries += 1 |
---|
378 | except SSLError, e: |
---|
379 | if self.log: |
---|
380 | self.log.warn("SSL error contacting %s: %s" % (url, e)) |
---|
381 | retries += 1 |
---|
382 | except httplib.HTTPException, e: |
---|
383 | if self.log: |
---|
384 | self.log.warn("HTTP error contacting %s: %s" % (url, e)) |
---|
385 | retries +=1 |
---|
386 | except Fault, f: |
---|
387 | raise service_error(f.faultCode, f.faultString) |
---|
388 | except Error, e: |
---|
389 | raise service_error(service_error.protocol, |
---|
390 | "Remote XMLRPC Fault: %s" % e) |
---|
391 | |
---|
392 | if retries >= self.max_retries : |
---|
393 | raise service_error(service_error.connect, "Too many SSL failures") |
---|
394 | |
---|
395 | return self.apply_to_tags(resp, self.decap_fedids) |
---|
396 | |
---|
397 | def call_soap_service(self, url, req, cert_file=None, cert_pwd=None, |
---|
398 | trusted_certs=None, context=None, tracefile=None): |
---|
399 | """ |
---|
400 | Send req on to the real destination in dt and return the response |
---|
401 | |
---|
402 | Req is just the requestType object. This function re-wraps it. It |
---|
403 | also rethrows any faults. |
---|
404 | """ |
---|
405 | |
---|
406 | tf = tracefile or self.tracefile or None |
---|
407 | |
---|
408 | if not self.request_body_name: |
---|
409 | raise service_error(service_error.internal, |
---|
410 | "Call to soap service without a configured request body"); |
---|
411 | |
---|
412 | ok = False |
---|
413 | retries = 0 |
---|
414 | while not ok and retries < self.max_retries: |
---|
415 | try: |
---|
416 | # Reconstruct the full request message |
---|
417 | msg = self.request_message() |
---|
418 | set_element = getattr(msg, "set_element_%s" % \ |
---|
419 | self.request_body_name, |
---|
420 | None) |
---|
421 | if not set_element: |
---|
422 | raise service_error(service_error.internal, |
---|
423 | "Cannot get element setting method for %s" % \ |
---|
424 | self.request_body_name) |
---|
425 | set_element(self.pack_soap(msg, self.request_body_name, req)) |
---|
426 | # If a context is given, use it. Otherwise construct one from |
---|
427 | # components. The construction shouldn't call out for |
---|
428 | # passwords. |
---|
429 | if context: |
---|
430 | if self.log: |
---|
431 | self.log.debug("Context passed in to call_soap") |
---|
432 | ctx = context |
---|
433 | else: |
---|
434 | if self.log: |
---|
435 | self.log.debug( |
---|
436 | "Constructing context in call_soap: %s" % \ |
---|
437 | cert_file) |
---|
438 | try: |
---|
439 | ctx = fedd_ssl_context(cert_file, trusted_certs, |
---|
440 | password=cert_pwd) |
---|
441 | except SSL.SSLError, e: |
---|
442 | if self.log: |
---|
443 | self.log.debug("Certificate error: %s" % e) |
---|
444 | raise service_error(service_error.server_config, |
---|
445 | "Certificates misconfigured") |
---|
446 | loc = self.locator() |
---|
447 | get_port = getattr(loc, self.port_name, None) |
---|
448 | if not get_port: |
---|
449 | raise service_error(service_error.internal, |
---|
450 | "Cannot get port %s from locator" % self.port_name) |
---|
451 | port = get_port(url, |
---|
452 | transport=M2Crypto.httpslib.HTTPSConnection, |
---|
453 | transdict={ 'ssl_context' : ctx }, |
---|
454 | tracefile=tf) |
---|
455 | remote_method = getattr(port, self.service_name, None) |
---|
456 | if not remote_method: |
---|
457 | raise service_error(service_error.internal, |
---|
458 | "Cannot get service from SOAP port") |
---|
459 | |
---|
460 | fail_exc = None |
---|
461 | if self.log: |
---|
462 | self.log.debug("Calling %s (retry %d)" % \ |
---|
463 | (self.service_name, retries)) |
---|
464 | resp = remote_method(msg) |
---|
465 | ok = True |
---|
466 | except socket_error, e: |
---|
467 | raise service_error(service_error.connect, |
---|
468 | "Cannot connect to %s: %s" % (url, e[1])) |
---|
469 | except BIOError, e: |
---|
470 | if self.log: |
---|
471 | self.log.warn("BIO error contacting %s: %s" % (url, e)) |
---|
472 | fail_exc = e |
---|
473 | retries += 1 |
---|
474 | except sslerror, e: |
---|
475 | if self.log: |
---|
476 | self.log.warn("SSL (socket) error contacting %s: %s" % |
---|
477 | (url, e)) |
---|
478 | retries += 1 |
---|
479 | except SSLError, e: |
---|
480 | if self.log: |
---|
481 | self.log.warn("SSL error contacting %s: %s" % (url, e)) |
---|
482 | fail_exc = e |
---|
483 | retries += 1 |
---|
484 | except httplib.HTTPException, e: |
---|
485 | if self.log: |
---|
486 | self.log.warn("HTTP error contacting %s: %s" % (url, e)) |
---|
487 | fail_exc = e |
---|
488 | retries +=1 |
---|
489 | except ParseException, e: |
---|
490 | raise service_error(service_error.protocol, |
---|
491 | "Bad format message (XMLRPC??): %s" % e) |
---|
492 | except FaultException, e: |
---|
493 | # If the method isn't implemented we get a FaultException |
---|
494 | # without a detail (which would be a FeddFault). If that's the |
---|
495 | # case construct a service_error out of the SOAP fields of the |
---|
496 | # fault, if they're present. |
---|
497 | if e.fault.detail: |
---|
498 | det = e.fault.detail[0] |
---|
499 | ee = self.unpack_soap(det).get('FeddFaultBody', { }) |
---|
500 | else: |
---|
501 | ee = { 'code': service_error.internal, |
---|
502 | 'desc': e.fault.string or "Something Weird" } |
---|
503 | if ee: |
---|
504 | raise service_error(ee['code'], ee['desc']) |
---|
505 | else: |
---|
506 | raise service_error(service_error.internal, |
---|
507 | "Unexpected fault body") |
---|
508 | |
---|
509 | if retries >= self.max_retries and fail_exc and not ok: |
---|
510 | raise service_error(service_error.connect, |
---|
511 | "Too many failures: %s" % fail_exc) |
---|
512 | |
---|
513 | # Unpack and convert fedids to objects |
---|
514 | r = self.apply_to_tags(self.unpack_soap(resp), self.fedid_to_object) |
---|
515 | |
---|
516 | # Make sure all strings are unicode |
---|
517 | r = self.make_unicode(r) |
---|
518 | return r |
---|
519 | |
---|
520 | def call_service(self, url, req, cert_file=None, cert_pwd=None, |
---|
521 | trusted_certs=None, context=None, tracefile=None): |
---|
522 | p_fault = None # Any SOAP failure (sent unless XMLRPC works) |
---|
523 | resp = None |
---|
524 | try: |
---|
525 | # Try the SOAP request |
---|
526 | resp = self.call_soap_service(url, req, |
---|
527 | cert_file, cert_pwd, trusted_certs, context, tracefile) |
---|
528 | return resp |
---|
529 | except service_error, e: |
---|
530 | if e.code == service_error.protocol: p_fault = None |
---|
531 | else: raise |
---|
532 | except FaultException, f: |
---|
533 | p_fault = f.fault.detail[0] |
---|
534 | |
---|
535 | |
---|
536 | # If we could not get a valid SOAP response to the request above, |
---|
537 | # try the same address using XMLRPC and let any faults flow back |
---|
538 | # out. |
---|
539 | if p_fault == None: |
---|
540 | resp = self.call_xmlrpc_service(url, req, cert_file, |
---|
541 | cert_pwd, trusted_certs, context, tracefile) |
---|
542 | return resp |
---|
543 | else: |
---|
544 | # Build the fault |
---|
545 | ee = unpack_soap(p_fault).get('FeddFaultBody', { }) |
---|
546 | if ee: |
---|
547 | raise service_error(ee['code'], ee['desc']) |
---|
548 | else: |
---|
549 | raise service_error(service_error.internal, |
---|
550 | "Unexpected fault body") |
---|