/usr/lib/python2.7/dist-packages/saml2/mongo_store.py is in python-pysaml2 3.0.0-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 | from hashlib import sha1
import logging
from pymongo import MongoClient
from pymongo.mongo_replica_set_client import MongoReplicaSetClient
import pymongo.uri_parser
import pymongo.errors
from saml2.eptid import Eptid
from saml2.mdstore import InMemoryMetaData
from saml2.s_utils import PolicyError
from saml2.ident import code_binary, IdentDB, Unknown
from saml2.mdie import to_dict, from_dict
from saml2 import md
from saml2 import saml
from saml2.extension import mdui
from saml2.extension import idpdisc
from saml2.extension import dri
from saml2.extension import mdattr
from saml2.extension import ui
from saml2 import xmldsig
from saml2 import xmlenc
import six
ONTS = {
saml.NAMESPACE: saml,
mdui.NAMESPACE: mdui,
mdattr.NAMESPACE: mdattr,
dri.NAMESPACE: dri,
ui.NAMESPACE: ui,
idpdisc.NAMESPACE: idpdisc,
md.NAMESPACE: md,
xmldsig.NAMESPACE: xmldsig,
xmlenc.NAMESPACE: xmlenc
}
__author__ = 'rolandh'
logger = logging.getLogger(__name__)
class CorruptDatabase(Exception):
pass
def context_match(cfilter, cntx):
# TODO
return True
class SessionStorageMDB(object):
""" Session information is stored in a MongoDB database"""
def __init__(self, database="", collection="assertion", **kwargs):
db = _mdb_get_database(database, **kwargs)
self.assertion = db[collection]
def store_assertion(self, assertion, to_sign):
name_id = assertion.subject.name_id
nkey = sha1(code_binary(name_id)).hexdigest()
doc = {
"name_id_key": nkey,
"assertion_id": assertion.id,
"assertion": to_dict(assertion, ONTS.values(), True),
"to_sign": to_sign
}
_ = self.assertion.insert(doc)
def get_assertion(self, cid):
res = []
for item in self.assertion.find({"assertion_id": cid}):
res.append({"assertion": from_dict(item["assertion"], ONTS, True),
"to_sign": item["to_sign"]})
if len(res) == 1:
return res[0]
elif res is []:
return None
else:
raise SystemError("More then one assertion with the same ID")
def get_assertions_by_subject(self, name_id=None, session_index=None,
requested_context=None):
"""
:param name_id: One of name_id or key can be used to get the authn
statement
:param session_index: If match against a session index should be done
:param requested_context: Authn statements should match a specific
authn context
:return:
"""
result = []
key = sha1(code_binary(name_id)).hexdigest()
for item in self.assertion.find({"name_id_key": key}):
assertion = from_dict(item["assertion"], ONTS, True)
if session_index or requested_context:
for statement in assertion.authn_statement:
if session_index:
if statement.session_index == session_index:
result.append(assertion)
break
if requested_context:
if context_match(requested_context,
statement.authn_context):
result.append(assertion)
break
else:
result.append(assertion)
return result
def remove_authn_statements(self, name_id):
logger.debug("remove authn about: %s" % name_id)
key = sha1(code_binary(name_id)).hexdigest()
for item in self.assertion.find({"name_id_key": key}):
self.assertion.remove(item["_id"])
def get_authn_statements(self, name_id, session_index=None,
requested_context=None):
"""
:param name_id:
:param session_index:
:param requested_context:
:return:
"""
return [k.authn_statement for k in self.get_assertions_by_subject(
name_id, session_index, requested_context)]
class IdentMDB(IdentDB):
def __init__(self, database="", collection="ident", domain="",
name_qualifier=""):
IdentDB.__init__(self, None, domain, name_qualifier)
self.mdb = MDB(database=database, collection=collection)
self.mdb.primary_key = "user_id"
def in_store(self, _id):
if [x for x in self.mdb.get(ident_id=_id)]:
return True
else:
return False
def create_id(self, nformat, name_qualifier="", sp_name_qualifier=""):
_id = self._create_id(nformat, name_qualifier, sp_name_qualifier)
while self.in_store(_id):
_id = self._create_id(nformat, name_qualifier, sp_name_qualifier)
return _id
def store(self, ident, name_id):
self.mdb.store(ident, name_id=to_dict(name_id, ONTS.values(), True))
def find_nameid(self, userid, nformat=None, sp_name_qualifier=None,
name_qualifier=None, sp_provided_id=None, **kwargs):
# reset passed for compatibility kwargs for next usage
kwargs = {}
if nformat:
kwargs["name_format"] = nformat
if sp_name_qualifier:
kwargs["sp_name_qualifier"] = sp_name_qualifier
if name_qualifier:
kwargs["name_qualifier"] = name_qualifier
if sp_provided_id:
kwargs["sp_provided_id"] = sp_provided_id
res = []
for item in self.mdb.get(userid, **kwargs):
res.append(from_dict(item["name_id"], ONTS, True))
return res
def find_local_id(self, name_id):
cnid = to_dict(name_id, ONTS.values(), True)
for item in self.mdb.get(name_id=cnid):
return item[self.mdb.primary_key]
return None
def remove_remote(self, name_id):
cnid = to_dict(name_id, ONTS.values(), True)
self.mdb.remove(name_id=cnid)
def handle_name_id_mapping_request(self, name_id, name_id_policy):
_id = self.find_local_id(name_id)
if not _id:
raise Unknown("Unknown entity")
if name_id_policy.allow_create == "false":
raise PolicyError("Not allowed to create new identifier")
# else create and return a new one
return self.construct_nameid(_id, name_id_policy=name_id_policy)
def close(self):
pass
#------------------------------------------------------------------------------
class MDB(object):
primary_key = "mdb"
def __init__(self, database, collection, **kwargs):
_db = _mdb_get_database(database, **kwargs)
self.db = _db[collection]
def store(self, value, **kwargs):
if value:
doc = {self.primary_key: value}
else:
doc = {}
doc.update(kwargs)
_ = self.db.insert(doc)
def get(self, value=None, **kwargs):
if value is not None:
doc = {self.primary_key: value}
doc.update(kwargs)
return [item for item in self.db.find(doc)]
elif kwargs:
return [item for item in self.db.find(kwargs)]
def remove(self, key=None, **kwargs):
if key is None:
if kwargs:
for item in self.db.find(kwargs):
self.db.remove(item["_id"])
else:
doc = {self.primary_key: key}
doc.update(kwargs)
for item in self.db.find(doc):
self.db.remove(item["_id"])
def keys(self):
for item in self.db.find():
yield item[self.primary_key]
def items(self):
for item in self.db.find():
_key = item[self.primary_key]
del item[self.primary_key]
del item["_id"]
yield _key, item
def __contains__(self, key):
doc = {self.primary_key: key}
res = [item for item in self.db.find(doc)]
if not res:
return False
else:
return True
def reset(self):
self.db.drop()
def _mdb_get_database(uri, **kwargs):
"""
Helper-function to connect to MongoDB and return a database object.
The `uri' argument should be either a full MongoDB connection URI string,
or just a database name in which case a connection to the default mongo
instance at mongodb://localhost:27017 will be made.
Performs explicit authentication if a username is provided in a connection
string URI, since PyMongo does not always seem to do that as promised.
:params database: name as string or (uri, name)
:returns: pymongo database object
"""
if not "tz_aware" in kwargs:
# default, but not forced
kwargs["tz_aware"] = True
connection_factory = MongoClient
_parsed_uri = {}
try:
_parsed_uri = pymongo.uri_parser.parse_uri(uri)
except pymongo.errors.InvalidURI:
# assume URI to be just the database name
db_name = uri
_conn = MongoClient()
pass
else:
if "replicaset" in _parsed_uri["options"]:
connection_factory = MongoReplicaSetClient
db_name = _parsed_uri.get("database", "pysaml2")
_conn = connection_factory(uri, **kwargs)
_db = _conn[db_name]
if "username" in _parsed_uri:
_db.authenticate(
_parsed_uri.get("username", None),
_parsed_uri.get("password", None)
)
return _db
#------------------------------------------------------------------------------
class EptidMDB(Eptid):
def __init__(self, secret, database="", collection="eptid"):
Eptid.__init__(self, secret)
self.mdb = MDB(database, collection)
self.mdb.primary_key = "eptid_key"
def __getitem__(self, key):
res = self.mdb.get(key)
if not res:
raise KeyError(key)
elif len(res) == 1:
return res[0]["eptid"]
else:
raise CorruptDatabase("Found more than one EPTID document")
def __setitem__(self, key, value):
_ = self.mdb.store(key, **{"eptid": value})
#------------------------------------------------------------------------------
def protect(dic):
res = {}
for key, val in dic.items():
key = key.replace(".", "__")
if isinstance(val, six.string_types):
pass
elif isinstance(val, dict):
val = protect(val)
elif isinstance(val, list):
li = []
for va in val:
if isinstance(va, six.string_types):
pass
elif isinstance(va, dict):
va = protect(va)
# I don't think lists of lists will appear am I wrong ?
li.append(va)
val = li
res[key] = val
return res
def unprotect(dic):
res = {}
for key, val in dic.items():
if key == "__class__":
pass
else:
key = key.replace("__", ".")
if isinstance(val, six.string_types):
pass
elif isinstance(val, dict):
val = unprotect(val)
elif isinstance(val, list):
li = []
for va in val:
if isinstance(va, six.string_types):
pass
elif isinstance(val, dict):
va = unprotect(va)
li.append(va)
val = li
res[key] = val
return res
def export_mdstore_to_mongo_db(mds, database, collection, sub_collection=""):
mdb = MDB(database, collection, sub_collection=sub_collection)
mdb.reset()
mdb.primary_key = "entity_id"
for key, desc in mds.items():
kwargs = {
"entity_description": protect(desc),
}
mdb.store(key, **kwargs)
class MetadataMDB(InMemoryMetaData):
def __init__(self, onts, attrc, database="", collection=""):
super(MetadataMDB, self).__init__(onts, attrc)
self.mdb = MDB(database, collection)
self.mdb.primary_key = "entity_id"
def _ext_service(self, entity_id, typ, service, binding):
try:
srvs = self[entity_id][typ]
except KeyError:
return None
if not srvs:
return srvs
res = []
for srv in srvs:
if "extensions" in srv:
for elem in srv["extensions"]["extension_elements"]:
if elem["__class__"] == service:
if elem["binding"] == binding:
res.append(elem)
return res
def load(self):
pass
def items(self):
for key, item in self.mdb.items():
yield key, unprotect(item["entity_description"])
def keys(self):
return self.mdb.keys()
def values(self):
for key, item in self.mdb.items():
yield unprotect(item["entity_description"])
def __contains__(self, item):
return item in self.mdb
def __getitem__(self, item):
res = self.mdb.get(item)
if not res:
raise KeyError(item)
elif len(res) == 1:
return unprotect(res[0]["entity_description"])
else:
raise CorruptDatabase("More then one document with key %s" % item)
def bindings(self, entity_id, typ, service):
pass
|