def from_dn(cls, dn):
from ldap3 import Reader
from ldap3.core.exceptions import LDAPNoSuchObjectResult
conn = current_app.ldap3_login_manager.connection
r = Reader(conn, cls._objectdef(), cls._basedn())
try:
entry = r.search_object(dn)
except LDAPNoSuchObjectResult:
raise LookupError("No such object: {qry}".format(qry=qry))
return None
item = cls()
item._orm_mapping_load(entry)
return item
def _check_dn_exists(dn, object_def, fix=True):
"""
Check if a certain DN exists, otherwise create it.
The only MUST attribute of the object_def must be specified
in the DN.
"""
conn = current_app.ldap3_login_manager.connection
r = Reader(conn, object_def, current_app.config["LDAP_BASE_DN"])
try:
base = r.search_object(dn)
except LDAPNoSuchObjectResult:
current_app.logger.error("DN does not exist: %s" % dn)
if fix:
current_app.logger.info("Attempting to fix...")
w = Writer.from_cursor(r)
base = w.new(dn)
base.description = "Automagically added by quasisentient sanity checks"
w.commit()
