345: Moved server code from Rob into ipa_server/ package

1 files changed, 148 insertions, 0 deletions

diff --git a/ipa_server/servercore.py b/ipa_server/servercore.py
new file mode 100644
index 000000000..8626c04bf
--- /dev/null
+++ b/ipa_server/servercore.py
@@ -0,0 +1,148 @@
+# Authors: Rob Crittenden <rcritten@redhat.com>
+#
+# Copyright (C) 2007  Red Hat
+# see file 'COPYING' for use and warranty information
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; version 2 only
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+
+import sys
+sys.path.insert(0, ".")
+sys.path.insert(0, "..")
+import ldap
+from ipalib.conn import context
+from ipalib import ipautil
+
+# temporary
+import krbV
+
+krbctx = krbV.default_context()
+realm = krbctx.default_realm
+basedn = ipautil.realm_to_suffix(realm)
+
+def convert_entry(ent):
+    entry = dict(ent.data)
+    entry['dn'] = ent.dn
+    # For now convert single entry lists to a string for the ui.
+    # TODO: we need to deal with multi-values better
+    for key,value in entry.iteritems():
+        if isinstance(value,list) or isinstance(value,tuple):
+            if len(value) == 0:
+                entry[key] = ''
+            elif len(value) == 1:
+                entry[key] = value[0]
+    return entry
+
+def convert_scalar_values(orig_dict):
+    """LDAP update dicts expect all values to be a list (except for dn).
+       This method converts single entries to a list."""
+    new_dict={}
+    for (k,v) in orig_dict.iteritems():
+        if not isinstance(v, list) and k != 'dn':
+            v = [v]
+        new_dict[k] = v
+
+    return new_dict
+
+
+# TODO: rethink the get_entry vs get_list API calls.
+#       they currently restrict the data coming back without
+#       restricting scope.  For now adding a get_base/sub_entry()
+#       calls, but the API isn't great.
+def get_entry (base, scope, searchfilter, sattrs=None):
+    """Get a specific entry (with a parametized scope).
+       Return as a dict of values.
+       Multi-valued fields are represented as lists.
+    """
+    ent=""
+
+    ent = context.conn.getConn().getEntry(base, scope, searchfilter, sattrs)
+
+    return convert_entry(ent)
+
+def get_base_entry (base, searchfilter, sattrs=None):
+    """Get a specific entry (with a scope of BASE).
+       Return as a dict of values.
+       Multi-valued fields are represented as lists.
+    """
+    return get_entry(base, ldap.SCOPE_BASE, searchfilter, sattrs)
+
+def get_sub_entry (base, searchfilter, sattrs=None):
+    """Get a specific entry (with a scope of SUB).
+       Return as a dict of values.
+       Multi-valued fields are represented as lists.
+    """
+    return get_entry(base, ldap.SCOPE_SUBTREE, searchfilter, sattrs)
+
+def get_list (base, searchfilter, sattrs=None):
+    """Gets a list of entries. Each is converted to a dict of values.
+       Multi-valued fields are represented as lists.
+    """
+    entries = []
+
+    entries = context.conn.getConn().getList(base, ldap.SCOPE_SUBTREE, searchfilter, sattrs)
+
+    return map(convert_entry, entries)
+
+def update_entry (oldentry, newentry):
+    """Update an LDAP entry
+
+       oldentry is a dict
+       newentry is a dict
+    """
+    oldentry = convert_scalar_values(oldentry)
+    newentry = convert_scalar_values(newentry)
+
+    # Should be able to get this from either the old or new entry
+    # but just in case someone has decided to try changing it, use the
+    # original
+    try:
+        moddn = oldentry['dn']
+    except KeyError, e:
+        # FIXME: return a missing DN error message
+        raise e
+
+    res = context.conn.getConn().updateEntry(moddn, oldentry, newentry)
+    return res
+
+def uniq_list(x):
+    """Return a unique list, preserving order and ignoring case"""
+    myset = {}
+    return [set.setdefault(e.lower(),e) for e in x if e.lower() not in myset]
+
+def get_schema():
+    """Retrieves the current LDAP schema from the LDAP server."""
+
+    schema_entry = get_base_entry("", "objectclass=*", ['dn','subschemasubentry'])
+    schema_cn = schema_entry.get('subschemasubentry')
+    schema = get_base_entry(schema_cn, "objectclass=*", ['*'])
+
+    return schema
+
+def get_objectclasses():
+    """Returns a list of available objectclasses that the LDAP
+       server supports. This parses out the syntax, attributes, etc
+       and JUST returns a lower-case list of the names."""
+
+    schema = get_schema()
+
+    objectclasses = schema.get('objectclasses')
+
+    # Convert this list into something more readable
+    result = []
+    for i in range(len(objectclasses)):
+        oc = objectclasses[i].lower().split(" ")
+        result.append(oc[3].replace("'",""))
+
+    return result