| 1 | #!/usr/local/bin/python |
|---|
| 2 | |
|---|
| 3 | import os,sys |
|---|
| 4 | |
|---|
| 5 | from BaseHTTPServer import BaseHTTPRequestHandler |
|---|
| 6 | from ZSI import * |
|---|
| 7 | from M2Crypto import SSL |
|---|
| 8 | from M2Crypto.m2xmlrpclib import SSL_Transport |
|---|
| 9 | from M2Crypto.SSL.SSLServer import SSLServer |
|---|
| 10 | import M2Crypto.httpslib |
|---|
| 11 | import xmlrpclib |
|---|
| 12 | |
|---|
| 13 | import re |
|---|
| 14 | import string |
|---|
| 15 | import copy |
|---|
| 16 | |
|---|
| 17 | from fedd_config_file import config_file |
|---|
| 18 | from fedd_access_project import access_project |
|---|
| 19 | from fedd_services import * |
|---|
| 20 | from fedd_util import * |
|---|
| 21 | from fedd_allocate_project import * |
|---|
| 22 | import parse_detail |
|---|
| 23 | from service_error import * |
|---|
| 24 | import logging |
|---|
| 25 | |
|---|
| 26 | class nullHandler(logging.Handler): |
|---|
| 27 | def emit(self, record): pass |
|---|
| 28 | |
|---|
| 29 | fl = logging.getLogger("fedd.access") |
|---|
| 30 | fl.addHandler(nullHandler()) |
|---|
| 31 | |
|---|
| 32 | class fedd_access: |
|---|
| 33 | """ |
|---|
| 34 | The implementation of access control based on mapping users to projects. |
|---|
| 35 | |
|---|
| 36 | Users can be mapped to existing projects or have projects created |
|---|
| 37 | dynamically. This implements both direct requests and proxies. |
|---|
| 38 | """ |
|---|
| 39 | |
|---|
| 40 | def __init__(self, config=None): |
|---|
| 41 | """ |
|---|
| 42 | Initializer. Parses a configuration if one is given. |
|---|
| 43 | """ |
|---|
| 44 | |
|---|
| 45 | # Read the configuration |
|---|
| 46 | if not config: raise RunTimeError("No config to fedd_allocate") |
|---|
| 47 | |
|---|
| 48 | # Create instance attributes from the static lists |
|---|
| 49 | for a in config_file.bool_attrs: |
|---|
| 50 | setattr(self, a, getattr(config, a, False)) |
|---|
| 51 | |
|---|
| 52 | for a in config_file.emulab_attrs + config_file.id_attrs: |
|---|
| 53 | setattr(self, a, getattr(config, a, None)) |
|---|
| 54 | |
|---|
| 55 | |
|---|
| 56 | self.attrs = copy.deepcopy(config.attrs); |
|---|
| 57 | self.access = copy.deepcopy(config.access); |
|---|
| 58 | self.fedid_category = copy.deepcopy(config.fedid_category) |
|---|
| 59 | self.fedid_default = config.fedid_default |
|---|
| 60 | self.restricted = copy.copy(config.restricted) |
|---|
| 61 | |
|---|
| 62 | self.log = logging.getLogger("fedd.access") |
|---|
| 63 | |
|---|
| 64 | # Certs are promoted from the generic to the specific, so without a |
|---|
| 65 | # specific proxy certificate, the main certificates are used for |
|---|
| 66 | # proxy interactions. If no dynamic project certificates, then |
|---|
| 67 | # proxy certs are used, and if none of those the main certs. |
|---|
| 68 | |
|---|
| 69 | if config.proxy_cert_file: |
|---|
| 70 | if not self.dynamic_projects_cert_file: |
|---|
| 71 | self.dynamic_projects_cert_file = config.proxy_cert_file |
|---|
| 72 | self.dynamic_projects_cert_pwd = config.proxy_cert_pwd |
|---|
| 73 | |
|---|
| 74 | if config.proxy_trusted_certs: |
|---|
| 75 | if not self.dynamic_projects_trusted_certs: |
|---|
| 76 | self.dynamic_projects_trusted_certs =\ |
|---|
| 77 | config.proxy_trusted_certs |
|---|
| 78 | |
|---|
| 79 | if config.cert_file: |
|---|
| 80 | if not self.dynamic_projects_cert_file: |
|---|
| 81 | self.dynamic_projects_cert_file = config.cert_file |
|---|
| 82 | self.dynamic_projects_cert_pwd = config.cert_pwd |
|---|
| 83 | if not self.proxy_cert_file: |
|---|
| 84 | self.proxy_cert_file = config.cert_file |
|---|
| 85 | self.proxy_cert_pwd = config.cert_pwd |
|---|
| 86 | |
|---|
| 87 | if config.trusted_certs: |
|---|
| 88 | if not self.proxy_trusted_certs: |
|---|
| 89 | self.proxy_trusted_certs = config.trusted_certs |
|---|
| 90 | if not self.dynamic_projects_trusted_certs: |
|---|
| 91 | self.dynamic_projects_trusted_certs = config.trusted_certs |
|---|
| 92 | |
|---|
| 93 | proj_certs = (self.dynamic_projects_cert_file, |
|---|
| 94 | self.dynamic_projects_trusted_certs, |
|---|
| 95 | self.dynamic_projects_cert_pwd) |
|---|
| 96 | |
|---|
| 97 | |
|---|
| 98 | if config.dynamic_projects_url == None: |
|---|
| 99 | self.allocate_project = \ |
|---|
| 100 | fedd_allocate_project_local(config.dynamic_projects, |
|---|
| 101 | config.dynamic_projects_url, proj_certs) |
|---|
| 102 | else: |
|---|
| 103 | self.allocate_project = \ |
|---|
| 104 | fedd_allocate_project_remote(config.dynamic_projects, |
|---|
| 105 | config.dynamic_projects_url, proj_certs) |
|---|
| 106 | |
|---|
| 107 | self.soap_handlers = {\ |
|---|
| 108 | 'RequestAccess': make_soap_handler(\ |
|---|
| 109 | RequestAccessRequestMessage.typecode,\ |
|---|
| 110 | self.RequestAccess, RequestAccessResponseMessage,\ |
|---|
| 111 | "RequestAccessResponseBody")\ |
|---|
| 112 | } |
|---|
| 113 | self.xmlrpc_handlers = {\ |
|---|
| 114 | 'RequestAccess': make_xmlrpc_handler(\ |
|---|
| 115 | self.RequestAccess, "RequestAccessResponseBody")\ |
|---|
| 116 | } |
|---|
| 117 | |
|---|
| 118 | def dump_state(self): |
|---|
| 119 | """ |
|---|
| 120 | Dump the state read from a configuration file. Mostly for debugging. |
|---|
| 121 | """ |
|---|
| 122 | for a in fedd_proj.bool_attrs: |
|---|
| 123 | print "%s: %s" % (a, getattr(self, a )) |
|---|
| 124 | for a in fedd_proj.emulab_attrs + fedd_proj.id_attrs: |
|---|
| 125 | print "%s: %s" % (a, getattr(self, a)) |
|---|
| 126 | for k, v in self.attrs.iteritems(): |
|---|
| 127 | print "%s %s" % (k, v) |
|---|
| 128 | print "Access DB:" |
|---|
| 129 | for k, v in self.access.iteritems(): |
|---|
| 130 | print "%s %s" % (k, v) |
|---|
| 131 | print "Trust DB:" |
|---|
| 132 | for k, v in self.fedid_category.iteritems(): |
|---|
| 133 | print "%s %s" % (k, v) |
|---|
| 134 | print "Restricted: %s" % str(',').join(sorted(self.restricted)) |
|---|
| 135 | |
|---|
| 136 | def get_users(self, obj): |
|---|
| 137 | """ |
|---|
| 138 | Return a list of the IDs of the users in dict |
|---|
| 139 | """ |
|---|
| 140 | if obj.has_key('user'): |
|---|
| 141 | return [ unpack_id(u['userID']) \ |
|---|
| 142 | for u in obj['user'] if u.has_key('userID') ] |
|---|
| 143 | else: |
|---|
| 144 | return None |
|---|
| 145 | |
|---|
| 146 | def strip_unicode(self, obj): |
|---|
| 147 | """Loosly de-unicode an object""" |
|---|
| 148 | if isinstance(obj, dict): |
|---|
| 149 | for k in obj.keys(): |
|---|
| 150 | obj[k] = self.strip_unicode(obj[k]) |
|---|
| 151 | return obj |
|---|
| 152 | elif isinstance(obj, basestring): |
|---|
| 153 | return str(obj) |
|---|
| 154 | elif getattr(obj, "__iter__", None): |
|---|
| 155 | return [ self.strip_unicode(x) for x in obj] |
|---|
| 156 | else: |
|---|
| 157 | return obj |
|---|
| 158 | |
|---|
| 159 | def proxy_xmlrpc_request(self, dt, req): |
|---|
| 160 | """Send an XMLRPC proxy request. Called if the SOAP RPC fails""" |
|---|
| 161 | |
|---|
| 162 | # No retry loop here. Proxy servers must correctly authenticate |
|---|
| 163 | # themselves without help |
|---|
| 164 | try: |
|---|
| 165 | ctx = fedd_ssl_context(self.proxy_cert_file, |
|---|
| 166 | self.proxy_trusted_certs, password=self.proxy_cert_pwd) |
|---|
| 167 | except SSL.SSLError: |
|---|
| 168 | raise service_error(service_error.server_config, |
|---|
| 169 | "Server certificates misconfigured") |
|---|
| 170 | |
|---|
| 171 | # Of all the dumbass things. The XMLRPC library in use here won't |
|---|
| 172 | # properly encode unicode strings, so we make a copy of req with the |
|---|
| 173 | # unicode objects converted. We also convert the destination testbed |
|---|
| 174 | # to a basic string if it isn't one already. |
|---|
| 175 | if isinstance(dt, str): url = dt |
|---|
| 176 | else: url = str(dt) |
|---|
| 177 | |
|---|
| 178 | r = copy.deepcopy(req) |
|---|
| 179 | self.strip_unicode(r) |
|---|
| 180 | |
|---|
| 181 | transport = SSL_Transport(ctx) |
|---|
| 182 | port = xmlrpclib.ServerProxy(url, transport=transport) |
|---|
| 183 | |
|---|
| 184 | # Reconstruct the full request message |
|---|
| 185 | try: |
|---|
| 186 | resp = port.RequestAccess( |
|---|
| 187 | { "RequestAccessRequestBody": r}) |
|---|
| 188 | resp, method = xmlrpclib.loads(resp) |
|---|
| 189 | except xmlrpclib.Fault, f: |
|---|
| 190 | se = service_error(None, f.faultString, f.faultCode) |
|---|
| 191 | raise se |
|---|
| 192 | except xmlrpclib.Error, e: |
|---|
| 193 | raise service_error(service_error.proxy, |
|---|
| 194 | "Remote XMLRPC Fault: %s" % e) |
|---|
| 195 | |
|---|
| 196 | if resp[0].has_key('RequestAccessResponseBody'): |
|---|
| 197 | return resp[0]['RequestAccessResponseBody'] |
|---|
| 198 | else: |
|---|
| 199 | raise service_error(service_error.proxy, |
|---|
| 200 | "Bad proxy response") |
|---|
| 201 | |
|---|
| 202 | def proxy_request(self, dt, req): |
|---|
| 203 | """ |
|---|
| 204 | Send req on to the real destination in dt and return the response |
|---|
| 205 | |
|---|
| 206 | Req is just the requestType object. This function re-wraps it. It |
|---|
| 207 | also rethrows any faults. |
|---|
| 208 | """ |
|---|
| 209 | # No retry loop here. Proxy servers must correctly authenticate |
|---|
| 210 | # themselves without help |
|---|
| 211 | try: |
|---|
| 212 | ctx = fedd_ssl_context(self.proxy_cert_file, |
|---|
| 213 | self.proxy_trusted_certs, password=self.proxy_cert_pwd) |
|---|
| 214 | except SSL.SSLError: |
|---|
| 215 | raise service_error(service_error.server_config, |
|---|
| 216 | "Server certificates misconfigured") |
|---|
| 217 | |
|---|
| 218 | loc = feddServiceLocator(); |
|---|
| 219 | port = loc.getfeddPortType(dt, |
|---|
| 220 | transport=M2Crypto.httpslib.HTTPSConnection, |
|---|
| 221 | transdict={ 'ssl_context' : ctx }) |
|---|
| 222 | |
|---|
| 223 | # Reconstruct the full request message |
|---|
| 224 | msg = RequestAccessRequestMessage() |
|---|
| 225 | msg.set_element_RequestAccessRequestBody( |
|---|
| 226 | pack_soap(msg, "RequestAccessRequestBody", req)) |
|---|
| 227 | try: |
|---|
| 228 | resp = port.RequestAccess(msg) |
|---|
| 229 | except ZSI.ParseException, e: |
|---|
| 230 | raise service_error(service_error.proxy, |
|---|
| 231 | "Bad format message (XMLRPC??): %s" % |
|---|
| 232 | str(e)) |
|---|
| 233 | r = unpack_soap(resp) |
|---|
| 234 | |
|---|
| 235 | if r.has_key('RequestAccessResponseBody'): |
|---|
| 236 | return r['RequestAccessResponseBody'] |
|---|
| 237 | else: |
|---|
| 238 | raise service_error(service_error.proxy, |
|---|
| 239 | "Bad proxy response") |
|---|
| 240 | |
|---|
| 241 | def permute_wildcards(self, a, p): |
|---|
| 242 | """Return a copy of a with various fields wildcarded. |
|---|
| 243 | |
|---|
| 244 | The bits of p control the wildcards. A set bit is a wildcard |
|---|
| 245 | replacement with the lowest bit being user then project then testbed. |
|---|
| 246 | """ |
|---|
| 247 | if p & 1: user = ["<any>"] |
|---|
| 248 | else: user = a[2] |
|---|
| 249 | if p & 2: proj = "<any>" |
|---|
| 250 | else: proj = a[1] |
|---|
| 251 | if p & 4: tb = "<any>" |
|---|
| 252 | else: tb = a[0] |
|---|
| 253 | |
|---|
| 254 | return (tb, proj, user) |
|---|
| 255 | |
|---|
| 256 | def find_access(self, search): |
|---|
| 257 | """ |
|---|
| 258 | Search the access DB for a match on this tuple. Return the matching |
|---|
| 259 | access tuple and the user that matched. |
|---|
| 260 | |
|---|
| 261 | NB, if the initial tuple fails to match we start inserting wildcards in |
|---|
| 262 | an order determined by self.project_priority. Try the list of users in |
|---|
| 263 | order (when wildcarded, there's only one user in the list). |
|---|
| 264 | """ |
|---|
| 265 | if self.project_priority: perm = (0, 1, 2, 3, 4, 5, 6, 7) |
|---|
| 266 | else: perm = (0, 2, 1, 3, 4, 6, 5, 7) |
|---|
| 267 | |
|---|
| 268 | for p in perm: |
|---|
| 269 | s = self.permute_wildcards(search, p) |
|---|
| 270 | # s[2] is None on an anonymous, unwildcarded request |
|---|
| 271 | if s[2] != None: |
|---|
| 272 | for u in s[2]: |
|---|
| 273 | if self.access.has_key((s[0], s[1], u)): |
|---|
| 274 | return (self.access[(s[0], s[1], u)], u) |
|---|
| 275 | else: |
|---|
| 276 | if self.access.has_key(s): |
|---|
| 277 | return (self.access[s], None) |
|---|
| 278 | return None, None |
|---|
| 279 | |
|---|
| 280 | def lookup_access(self, req, fid): |
|---|
| 281 | """ |
|---|
| 282 | Determine the allowed access for this request. Return the access and |
|---|
| 283 | which fields are dynamic. |
|---|
| 284 | |
|---|
| 285 | The fedid is needed to construct the request |
|---|
| 286 | """ |
|---|
| 287 | # Search keys |
|---|
| 288 | tb = None |
|---|
| 289 | project = None |
|---|
| 290 | user = None |
|---|
| 291 | # Return values |
|---|
| 292 | rp = access_project(None, ()) |
|---|
| 293 | ru = None |
|---|
| 294 | |
|---|
| 295 | |
|---|
| 296 | principal_type = self.fedid_category.get(fid, self.fedid_default) |
|---|
| 297 | |
|---|
| 298 | if principal_type == "testbed": tb = fid |
|---|
| 299 | |
|---|
| 300 | if req.has_key('project'): |
|---|
| 301 | p = req['project'] |
|---|
| 302 | if p.has_key('name'): |
|---|
| 303 | project = unpack_id(p['name']) |
|---|
| 304 | user = self.get_users(p) |
|---|
| 305 | else: |
|---|
| 306 | user = self.get_users(req) |
|---|
| 307 | |
|---|
| 308 | # Now filter by prinicpal type |
|---|
| 309 | if principal_type == "user": |
|---|
| 310 | if user != None: |
|---|
| 311 | fedids = [ u for u in user if isinstance(u, type(fid))] |
|---|
| 312 | if len(fedids) > 1: |
|---|
| 313 | raise service_error(service_error.req, |
|---|
| 314 | "User asserting multiple fedids") |
|---|
| 315 | elif len(fedids) == 1 and fedids[0] != fid: |
|---|
| 316 | raise service_error(service_error.req, |
|---|
| 317 | "User asserting different fedid") |
|---|
| 318 | project = None |
|---|
| 319 | tb = None |
|---|
| 320 | elif principal_type == "project": |
|---|
| 321 | if isinstance(project, type(fid)) and fid != project: |
|---|
| 322 | raise service_error(service_error.req, |
|---|
| 323 | "Project asserting different fedid") |
|---|
| 324 | tb = None |
|---|
| 325 | |
|---|
| 326 | # Ready to look up access |
|---|
| 327 | found, user_match = self.find_access((tb, project, user)) |
|---|
| 328 | |
|---|
| 329 | if found == None: |
|---|
| 330 | raise service_error(service_error.access, |
|---|
| 331 | "Access denied") |
|---|
| 332 | |
|---|
| 333 | # resolve <dynamic> and <same> in found |
|---|
| 334 | dyn_proj = False |
|---|
| 335 | dyn_user = False |
|---|
| 336 | |
|---|
| 337 | if found[0].name == "<same>": |
|---|
| 338 | if project != None: |
|---|
| 339 | rp.name = project |
|---|
| 340 | else : |
|---|
| 341 | raise service_error(\ |
|---|
| 342 | service_error.server_config, |
|---|
| 343 | "Project matched <same> when no project given") |
|---|
| 344 | elif found[0].name == "<dynamic>": |
|---|
| 345 | rp.name = None |
|---|
| 346 | dyn_proj = True |
|---|
| 347 | else: |
|---|
| 348 | rp.name = found[0].name |
|---|
| 349 | rp.node_types = found[0].node_types; |
|---|
| 350 | |
|---|
| 351 | if found[1] == "<same>": |
|---|
| 352 | if user_match == "<any>": |
|---|
| 353 | if user != None: ru = user[0] |
|---|
| 354 | else: raise service_error(\ |
|---|
| 355 | service_error.server_config, |
|---|
| 356 | "Matched <same> on anonymous request") |
|---|
| 357 | else: |
|---|
| 358 | ru = user_match |
|---|
| 359 | elif found[1] == "<dynamic>": |
|---|
| 360 | ru = None |
|---|
| 361 | dyn_user = True |
|---|
| 362 | |
|---|
| 363 | return (rp, ru), (dyn_user, dyn_proj) |
|---|
| 364 | |
|---|
| 365 | def build_response(self, alloc_id, ap): |
|---|
| 366 | """ |
|---|
| 367 | Create the SOAP response. |
|---|
| 368 | |
|---|
| 369 | Build the dictionary description of the response and use |
|---|
| 370 | fedd_utils.pack_soap to create the soap message. NB that alloc_id is |
|---|
| 371 | a fedd_services_types.IDType_Holder pulled from the incoming message. |
|---|
| 372 | ap is the allocate project message returned from a remote project |
|---|
| 373 | allocation (even if that allocation was done locally). |
|---|
| 374 | """ |
|---|
| 375 | # Because alloc_id is already a fedd_services_types.IDType_Holder, |
|---|
| 376 | # there's no need to repack it |
|---|
| 377 | msg = { |
|---|
| 378 | 'allocID': alloc_id, |
|---|
| 379 | 'emulab': { |
|---|
| 380 | 'domain': self.domain, |
|---|
| 381 | 'boss': self.boss, |
|---|
| 382 | 'ops': self.ops, |
|---|
| 383 | 'fileServer': self.fileserver, |
|---|
| 384 | 'eventServer': self.eventserver, |
|---|
| 385 | 'project': ap['project'] |
|---|
| 386 | }, |
|---|
| 387 | } |
|---|
| 388 | if len(self.attrs) > 0: |
|---|
| 389 | msg['emulab']['fedAttr'] = \ |
|---|
| 390 | [ { 'attribute': x, 'value' : y } \ |
|---|
| 391 | for x,y in self.attrs.iteritems()] |
|---|
| 392 | return msg |
|---|
| 393 | |
|---|
| 394 | def RequestAccess(self, req, fid): |
|---|
| 395 | |
|---|
| 396 | if req.has_key('RequestAccessRequestBody'): |
|---|
| 397 | req = req['RequestAccessRequestBody'] |
|---|
| 398 | else: |
|---|
| 399 | raise service_error(service_error.req, "No request!?") |
|---|
| 400 | |
|---|
| 401 | if req.has_key('destinationTestbed'): |
|---|
| 402 | dt = unpack_id(req['destinationTestbed']) |
|---|
| 403 | |
|---|
| 404 | if dt == None or dt == self.testbed: |
|---|
| 405 | # Request for this fedd |
|---|
| 406 | found, dyn = self.lookup_access(req, fid) |
|---|
| 407 | restricted = None |
|---|
| 408 | ap = None |
|---|
| 409 | |
|---|
| 410 | # Check for access to restricted nodes |
|---|
| 411 | if req.has_key('resources') and req['resources'].has_key('node'): |
|---|
| 412 | resources = req['resources'] |
|---|
| 413 | restricted = [ t for n in resources['node'] \ |
|---|
| 414 | if n.has_key('hardware') \ |
|---|
| 415 | for t in n['hardware'] \ |
|---|
| 416 | if t in self.restricted ] |
|---|
| 417 | inaccessible = [ t for t in restricted \ |
|---|
| 418 | if t not in found[0].node_types] |
|---|
| 419 | if len(inaccessible) > 0: |
|---|
| 420 | raise service_error(service_error.access, |
|---|
| 421 | "Access denied (nodetypes %s)" % \ |
|---|
| 422 | str(', ').join(inaccessible)) |
|---|
| 423 | |
|---|
| 424 | ssh = [ x['sshPubkey'] \ |
|---|
| 425 | for x in req['access'] if x.has_key('sshPubkey')] |
|---|
| 426 | |
|---|
| 427 | if len(ssh) > 0: |
|---|
| 428 | if dyn[1]: |
|---|
| 429 | # Compose the dynamic project request |
|---|
| 430 | # (only dynamic, dynamic currently allowed) |
|---|
| 431 | preq = { 'AllocateProjectRequestBody': \ |
|---|
| 432 | { 'project' : {\ |
|---|
| 433 | 'user': [ \ |
|---|
| 434 | { 'access': [ { 'sshPubkey': s } ] } \ |
|---|
| 435 | for s in ssh ] \ |
|---|
| 436 | }\ |
|---|
| 437 | }\ |
|---|
| 438 | } |
|---|
| 439 | if restricted != None and len(restricted) > 0: |
|---|
| 440 | preq['AllocateProjectRequestBody']['resources'] = \ |
|---|
| 441 | [ {'node': { 'hardware' : [ h ] } } \ |
|---|
| 442 | for h in restricted ] |
|---|
| 443 | |
|---|
| 444 | ap = self.allocate_project.dynamic_project(preq) |
|---|
| 445 | else: |
|---|
| 446 | # XXX ssh key additions |
|---|
| 447 | ap = { 'project': \ |
|---|
| 448 | { 'name' : { 'localname' : found[0].name },\ |
|---|
| 449 | 'user' : [ {\ |
|---|
| 450 | 'userID': { 'localname' : found[1] }, \ |
|---|
| 451 | 'access': [ { 'sshPubkey': s } for s in ssh]}\ |
|---|
| 452 | ]\ |
|---|
| 453 | }\ |
|---|
| 454 | } |
|---|
| 455 | else: |
|---|
| 456 | raise service_error(service_error.req, |
|---|
| 457 | "SSH access parameters required") |
|---|
| 458 | |
|---|
| 459 | resp = self.build_response(req['allocID'], ap) |
|---|
| 460 | return resp |
|---|
| 461 | else: |
|---|
| 462 | p_fault = None # Any SOAP failure (sent unless XMLRPC works) |
|---|
| 463 | try: |
|---|
| 464 | # Proxy the request using SOAP |
|---|
| 465 | return self.proxy_request(dt, req) |
|---|
| 466 | except service_error, e: |
|---|
| 467 | if e.code == service_error.proxy: p_fault = None |
|---|
| 468 | else: raise |
|---|
| 469 | except ZSI.FaultException, f: |
|---|
| 470 | p_fault = f.fault.detail[0] |
|---|
| 471 | |
|---|
| 472 | |
|---|
| 473 | # If we could not get a valid SOAP response to the request above, |
|---|
| 474 | # try the same address using XMLRPC and let any faults flow back |
|---|
| 475 | # out. |
|---|
| 476 | if p_fault == None: |
|---|
| 477 | return self.proxy_xmlrpc_request(dt, req) |
|---|
| 478 | else: |
|---|
| 479 | # Build the fault |
|---|
| 480 | body = p_fault.get_element_FeddFaultBody() |
|---|
| 481 | if body != None: |
|---|
| 482 | raise service_error(body.get_element_code(), |
|---|
| 483 | body.get_element_desc()); |
|---|
| 484 | else: |
|---|
| 485 | raise service_error(\ |
|---|
| 486 | service_error.proxy, |
|---|
| 487 | "Undefined fault from proxy??"); |
|---|
| 488 | |
|---|
| 489 | def get_soap_services(self): |
|---|
| 490 | return self.soap_handlers |
|---|
| 491 | |
|---|
| 492 | def get_xmlrpc_services(self): |
|---|
| 493 | return self.xmlrpc_handlers |
|---|
| 494 | |
|---|
