def copy_database(self,
from_name,
to_name,
from_host=None,
username=None,
password=None):
"""Copy a database, potentially from another host.
Raises :class:`TypeError` if `from_name` or `to_name` is not
an instance of :class:`basestring` (:class:`str` in python 3).
Raises :class:`~pymongo.errors.InvalidName` if `to_name` is
not a valid database name.
If `from_host` is ``None`` the current host is used as the
source. Otherwise the database is copied from `from_host`.
If the source database requires authentication, `username` and
`password` must be specified.
:Parameters:
- `from_name`: the name of the source database
- `to_name`: the name of the target database
- `from_host` (optional): host name to copy from
- `username` (optional): username for source database
- `password` (optional): password for source database
.. note:: Specifying `username` and `password` requires server
version **>= 1.3.3+**.
.. versionadded:: 1.5
"""
if not isinstance(from_name, basestring):
raise TypeError("from_name must be an instance "
"of %s" % (basestring.__name__, ))
if not isinstance(to_name, basestring):
raise TypeError("to_name must be an instance "
"of %s" % (basestring.__name__, ))
database._check_name(to_name)
command = {"fromdb": from_name, "todb": to_name}
if from_host is not None:
command["fromhost"] = from_host
try:
self.start_request()
if username is not None:
nonce = self.admin.command("copydbgetnonce",
fromhost=from_host)["nonce"]
command["username"] = username
command["nonce"] = nonce
command["key"] = auth._auth_key(nonce, username, password)
return self.admin.command("copydb", **command)
finally:
self.end_request()
def copy_database(self, from_name, to_name,
from_host=None, username=None, password=None):
"""Copy a database, potentially from another host.
Raises :class:`TypeError` if `from_name` or `to_name` is not
an instance of :class:`basestring` (:class:`str` in python 3).
Raises :class:`~pymongo.errors.InvalidName` if `to_name` is
not a valid database name.
If `from_host` is ``None`` the current host is used as the
source. Otherwise the database is copied from `from_host`.
If the source database requires authentication, `username` and
`password` must be specified.
:Parameters:
- `from_name`: the name of the source database
- `to_name`: the name of the target database
- `from_host` (optional): host name to copy from
- `username` (optional): username for source database
- `password` (optional): password for source database
.. note:: Specifying `username` and `password` requires server
version **>= 1.3.3+**.
.. versionadded:: 1.5
"""
if not isinstance(from_name, basestring):
raise TypeError("from_name must be an instance "
"of %s" % (basestring.__name__,))
if not isinstance(to_name, basestring):
raise TypeError("to_name must be an instance "
"of %s" % (basestring.__name__,))
database._check_name(to_name)
command = {"fromdb": from_name, "todb": to_name}
if from_host is not None:
command["fromhost"] = from_host
try:
self.start_request()
if username is not None:
nonce = self.admin.command("copydbgetnonce",
fromhost=from_host)["nonce"]
command["username"] = username
command["nonce"] = nonce
command["key"] = auth._auth_key(nonce, username, password)
return self.admin.command("copydb", **command)
finally:
self.end_request()
def test_pymongo():
response = b"%s%s%s%s%s" % (struct.pack("<i", 4), struct.pack(
"<q", 1), struct.pack("<i", 1), struct.pack(
"<i", 1), bson.BSON.encode({"hello": "world"}))
assert asynmongo._unpack_response(response, 1) == {
'starting_from': 1,
'number_returned': 1,
'cursor_id': 1,
'data': [{
'hello': 'world'
}]
}
payload = bson.BSON.encode({"hello": "world"})
response = b"%s%s%s" % (struct.pack(
"<B", 0), struct.pack("<i", len(payload)), payload)
assert asynmongo._unpack_response(response, 2013) == {
'first_payload_type': 0,
'data': [{
'hello': 'world'
}],
'first_payload_size': 22
}
opts = CodecOptions(SON)
assert auth._auth_key(1, "a", "b") == "90b38d5dbfabd0b883e17ae67847220a"
assert message.query(0, "%s.$cmd" % "mydb", 0, 1, SON({
'getnonce': 1
}), SON({}), opts) == (
1804289383,
b'>\x00\x00\x00gE\x8bk\x00\x00\x00\x00\xd4\x07\x00\x00\x00\x00\x00\x00mydb.$cmd\x00\x00\x00\x00\x00\x01\x00\x00\x00\x13\x00\x00\x00\x10getnonce\x00\x01\x00\x00\x00\x00\x05\x00\x00\x00\x00',
19)
assert message.query(0, "col.a", 0, 1, {"_id": 1}, None, opts) == (
846930886,
b'0\x00\x00\x00\xc6#{2\x00\x00\x00\x00\xd4\x07\x00\x00\x00\x00\x00\x00col.a\x00\x00\x00\x00\x00\x01\x00\x00\x00\x0e\x00\x00\x00\x10_id\x00\x01\x00\x00\x00\x00',
14)
assert message.update("col.a", 0, 0, {"_id": 1}, {
"a": 1
}, 1, (), False, opts) == (
1681692777,
b'8\x00\x00\x00i\x98<d\x00\x00\x00\x00\xd1\x07\x00\x00\x00\x00\x00\x00col.a\x00\x00\x00\x00\x00\x0e\x00\x00\x00\x10_id\x00\x01\x00\x00\x00\x00\x0c\x00\x00\x00\x10a\x00\x01\x00\x00\x00\x00<\x00\x00\x00i\x98<d\x00\x00\x00\x00\xd4\x07\x00\x00\x00\x00\x00\x00col.$cmd\x00\x00\x00\x00\x00\xff\xff\xff\xff\x17\x00\x00\x00\x10getlasterror\x00\x01\x00\x00\x00\x00',
14)
msg = message.delete("col.a", {"_id": 1}, 1, (), opts, 0)
assert len(msg) == 3 and msg[0] == 1714636915 and msg[-1] == 14
msg = message.insert("col.a", [{"a": 1}], False, 1, (), 0, opts)
assert len(msg) == 3 and msg[0] == 1957747793 and msg[-1] == 12
def authenticate_with_nonce(self, result, name, password, d):
nonce = result['nonce']
key = auth._auth_key(nonce, name, password)
# hacky because order matters
auth_command = SON(authenticate=1)
auth_command['user'] = unicode(name)
auth_command['nonce'] = nonce
auth_command['key'] = key
# Now actually authenticate
df = self["$cmd"].find_one(auth_command)
df.addCallback(self.authenticated, d)
df.addErrback(d.errback)
return df
def authenticate_mongo_cr(self, database_name, username, password):
result = yield self.__run_command(database_name, {"getnonce": 1})
if not result["ok"]:
raise MongoAuthenticationError(result["errmsg"])
nonce = result["nonce"]
auth_cmd = SON(authenticate=1)
auth_cmd["user"] = unicode(username)
auth_cmd["nonce"] = nonce
auth_cmd["key"] = auth._auth_key(nonce, username, password)
result = yield self.__run_command(database_name, auth_cmd)
if not result["ok"]:
raise MongoAuthenticationError(result["errmsg"])
defer.returnValue(result)
def authenticate_mongo_cr(self, database_name, username, password):
result = yield self.__run_command(database_name, {"getnonce": 1})
if not result["ok"]:
raise MongoAuthenticationError(result["errmsg"])
nonce = result["nonce"]
auth_cmd = SON(authenticate=1)
auth_cmd["user"] = unicode(username)
auth_cmd["nonce"] = nonce
auth_cmd["key"] = auth._auth_key(nonce, username, password)
result = yield self.__run_command(database_name, auth_cmd)
if not result["ok"]:
raise MongoAuthenticationError(result["errmsg"])
defer.returnValue(result)
def authenticate_with_nonce (self,database,name,password) :
database_name = str(database)
self.cred_cache[database_name] = (name,password)
current_connection = self.__pool[self.__index]
proto = yield self.getprotocol()
collection_name = database_name+'.$cmd'
query = Query(collection=collection_name, query={'getnonce': 1})
result = yield proto.send_QUERY(query)
result = result.documents[0].decode()
if result["ok"] :
nonce = result["nonce"]
else :
defer.returnValue(result["errmsg"])
key = auth._auth_key(nonce, name, password)
# hacky because order matters
auth_command = SON(authenticate=1)
auth_command['user'] = unicode(name)
auth_command['nonce'] = nonce
auth_command['key'] = key
query = Query(collection=str(collection_name), query=auth_command)
result = yield proto.send_QUERY(query)
result = result.documents[0].decode()
if result["ok"]:
database._authenticated = True
current_connection.auth_set.add(database_name)
defer.returnValue(result["ok"])
else:
del self.cred_cache[database_name]
defer.returnValue(result["errmsg"])
def authenticate_with_nonce(self, database, name, password):
database_name = str(database)
self.cred_cache[database_name] = (name, password)
current_connection = self.__pool[self.__index]
proto = yield self.getprotocol()
collection_name = database_name + '.$cmd'
query = Query(collection=collection_name, query={'getnonce': 1})
result = yield proto.send_QUERY(query)
result = result.documents[0].decode()
if result["ok"]:
nonce = result["nonce"]
else:
defer.returnValue(result["errmsg"])
key = auth._auth_key(nonce, name, password)
# hacky because order matters
auth_command = SON(authenticate=1)
auth_command['user'] = unicode(name)
auth_command['nonce'] = nonce
auth_command['key'] = key
query = Query(collection=str(collection_name), query=auth_command)
result = yield proto.send_QUERY(query)
result = result.documents[0].decode()
if result["ok"]:
database._authenticated = True
current_connection.auth_set.add(database_name)
defer.returnValue(result["ok"])
else:
del self.cred_cache[database_name]
defer.returnValue(result["errmsg"])
def _copy_database(fromdb, todb, fromhost, mechanism, username, password,
sock_info, cmd_func):
"""Copy a database, perhaps from a remote host.
:Parameters:
- `fromdb`: Source database.
- `todb`: Target database.
- `fromhost`: Source host like 'foo.com', 'foo.com:27017', or None.
- `mechanism`: An authentication mechanism.
- `username`: A str or unicode, or None.
- `password`: A str or unicode, or None.
- `sock_info`: A SocketInfo instance.
- `cmd_func`: A callback taking args sock_info, database, command doc.
"""
if not isinstance(fromdb, str):
raise TypeError('from_name must be an instance '
'of %s' % (str.__name__, ))
if not isinstance(todb, str):
raise TypeError('to_name must be an instance '
'of %s' % (str.__name__, ))
_check_database_name(todb)
warnings.warn(
"copy_database is deprecated. Use the raw 'copydb' command"
" or db.copyDatabase() in the mongo shell. See"
" doc/examples/copydb.",
DeprecationWarning,
stacklevel=2)
# It would be better if the user told us what mechanism to use, but for
# backwards compatibility with earlier PyMongos we don't require the
# mechanism. Hope 'fromhost' runs the same version as the target.
if mechanism == 'DEFAULT':
if sock_info.max_wire_version >= 3:
mechanism = 'SCRAM-SHA-1'
else:
mechanism = 'MONGODB-CR'
if username is not None:
if mechanism == 'SCRAM-SHA-1':
credentials = auth._build_credentials_tuple(mech=mechanism,
source='admin',
user=username,
passwd=password,
extra=None)
try:
auth._copydb_scram_sha1(credentials=credentials,
sock_info=sock_info,
cmd_func=cmd_func,
fromdb=fromdb,
todb=todb,
fromhost=fromhost)
except OperationFailure as exc:
errmsg = exc.details and exc.details.get('errmsg') or ''
if 'no such cmd: saslStart' in errmsg:
explanation = ("%s doesn't support SCRAM-SHA-1, pass"
" mechanism='MONGODB-CR' to copy_database" %
fromhost)
raise OperationFailure(explanation, exc.code, exc.details)
else:
raise
elif mechanism == 'MONGODB-CR':
get_nonce_cmd = SON([('copydbgetnonce', 1),
('fromhost', fromhost)])
get_nonce_response, _ = cmd_func(sock_info, 'admin', get_nonce_cmd)
nonce = get_nonce_response['nonce']
copydb_cmd = SON([('copydb', 1), ('fromdb', fromdb),
('todb', todb)])
copydb_cmd['username'] = username
copydb_cmd['nonce'] = nonce
copydb_cmd['key'] = auth._auth_key(nonce, username, password)
if fromhost is not None:
copydb_cmd['fromhost'] = fromhost
cmd_func(sock_info, 'admin', copydb_cmd)
else:
raise InvalidOperation('Authentication mechanism %r not supported'
' for copy_database' % mechanism)
else:
# No username.
copydb_cmd = SON([('copydb', 1), ('fromdb', fromdb), ('todb', todb)])
if fromhost:
copydb_cmd['fromhost'] = fromhost
cmd_func(sock_info, 'admin', copydb_cmd)
def _copy_database(
fromdb,
todb,
fromhost,
mechanism,
username,
password,
sock_info,
cmd_func):
"""Copy a database, perhaps from a remote host.
:Parameters:
- `fromdb`: Source database.
- `todb`: Target database.
- `fromhost`: Source host like 'foo.com', 'foo.com:27017', or None.
- `mechanism`: An authentication mechanism.
- `username`: A str or unicode, or None.
- `password`: A str or unicode, or None.
- `sock_info`: A SocketInfo instance.
- `cmd_func`: A callback taking args sock_info, database, command doc.
"""
if not isinstance(fromdb, basestring):
raise TypeError('from_name must be an instance '
'of %s' % (basestring.__name__,))
if not isinstance(todb, basestring):
raise TypeError('to_name must be an instance '
'of %s' % (basestring.__name__,))
_check_database_name(todb)
warnings.warn("copy_database is deprecated. Use the raw 'copydb' command"
" or db.copyDatabase() in the mongo shell. See"
" doc/examples/copydb.",
DeprecationWarning, stacklevel=2)
# It would be better if the user told us what mechanism to use, but for
# backwards compatibility with earlier PyMongos we don't require the
# mechanism. Hope 'fromhost' runs the same version as the target.
if mechanism == 'DEFAULT':
if sock_info.max_wire_version >= 3:
mechanism = 'SCRAM-SHA-1'
else:
mechanism = 'MONGODB-CR'
if username is not None:
if mechanism == 'SCRAM-SHA-1':
credentials = auth._build_credentials_tuple(mech=mechanism,
source='admin',
user=username,
passwd=password,
extra=None)
try:
auth._copydb_scram_sha1(credentials=credentials,
sock_info=sock_info,
cmd_func=cmd_func,
fromdb=fromdb,
todb=todb,
fromhost=fromhost)
except OperationFailure, exc:
errmsg = exc.details and exc.details.get('errmsg') or ''
if 'no such cmd: saslStart' in errmsg:
explanation = (
"%s doesn't support SCRAM-SHA-1, pass"
" mechanism='MONGODB-CR' to copy_database" % fromhost)
raise OperationFailure(explanation,
exc.code,
exc.details)
else:
raise
elif mechanism == 'MONGODB-CR':
get_nonce_cmd = SON([('copydbgetnonce', 1),
('fromhost', fromhost)])
get_nonce_response, _ = cmd_func(sock_info, 'admin', get_nonce_cmd)
nonce = get_nonce_response['nonce']
copydb_cmd = SON([('copydb', 1),
('fromdb', fromdb),
('todb', todb)])
copydb_cmd['username'] = username
copydb_cmd['nonce'] = nonce
copydb_cmd['key'] = auth._auth_key(nonce, username, password)
if fromhost is not None:
copydb_cmd['fromhost'] = fromhost
cmd_func(sock_info, 'admin', copydb_cmd)
else:
raise InvalidOperation('Authentication mechanism %r not supported'
' for copy_database' % mechanism)