Port user-show to new CrudBackend framework

ipa_server/plugins/b_ldap.py

@@ -29,7 +29,6 @@ from ipalib import errors
 from ipalib.crud import CrudBackend
 from ipa_server import servercore
 from ipa_server import ipaldap
-import ldap
 
 
 class ldap(CrudBackend):
@@ -39,7 +38,7 @@ class ldap(CrudBackend):
 
     dn = _ldap.dn
 
-    def get_user_dn(self, uid):
+    def make_user_dn(self, uid):
         """
         Construct user dn from uid.
         """
@@ -49,6 +48,35 @@ class ldap(CrudBackend):
             self.api.env.basedn,
         )
 
+    def find_entry_dn(self, key_attribute, primary_key, attributes=None,
+                      object_type=None):
+        """
+        Find an existing entry's dn from an attribute
+        """
+        key_attribute = key_attribute.lower()
+        if not object_type:
+            if key_attribute == "uid": # User
+                filter = "posixAccount"
+            elif key_attribute == "cn": # Group
+                object_type = "posixGroup"
+            elif key_attribute == "krbprincipal": # Service
+                object_type = "krbPrincipal"
+
+        if not object_type:
+            return None
+
+        filter = "(&(%s=%s)(objectclass=%s))" % (
+            key_attribute,
+            self.dn.escape_dn_chars(primary_key),
+            object_type
+        )
+
+        search_base = "%s, %s" % (self.api.env.container_accounts, self.api.env.basedn)
+
+        entry = servercore.get_sub_entry(search_base, filter, attributes)
+
+        return entry['dn']
+
     def create(self, **kw):
         if servercore.entry_exists(kw['dn']):
             raise errors.DuplicateEntry("entry already exists")
@@ -64,4 +92,10 @@ class ldap(CrudBackend):
 
         return servercore.add_entry(entry)
 
+    def retrieve(self, dn, attributes=None):
+        return servercore.get_entry_by_dn(dn, attributes)
+
+    def delete(self, dn):
+        return servercore.delete_entry(dn)
+
 api.register(ldap)

ipalib/config.py

@@ -25,8 +25,11 @@ DEFAULT_CONF='/etc/ipa/ipa.conf'
 
 def generate_env(d={}):
     default = dict(
+        container_accounts = 'cn=accounts',
         basedn = 'dc=example,dc=com',
         container_user = 'cn=users,cn=accounts',
+        container_group = 'cn=groups,cn=accounts',
+        container_service = 'cn=services,cn=accounts',
         domain = LazyProp(get_domain),
         interactive = True,
         query_dns = True,

ipalib/crud.py

@@ -87,12 +87,14 @@ class CrudBackend(backend.Backend):
         """
         raise NotImplementedError('%s.create()' % self.name)
 
-    def retrieve(self, primary_key):
+    def retrieve(self, primary_key, attributes):
         """
         Retrieve an existing entry.
 
-        This method should take a single argument, the primary_key of the
-        entry in question.
+        This method should take a two arguments: the primary_key of the
+        entry in question and a list of the attributes to be retrieved.
+        If the list of attributes is None then all non-operational
+        attributes will be returned.
 
         If such an entry exists, this method should return a dict
         representing that entry.  If no such entry exists, this method

ipalib/plugins/b_xmlrpc.py

@@ -58,6 +58,6 @@ class xmlrpc(Backend):
                 print "%s: %s" % (code, getattr(err,'__doc__',''))
             else:
                 raise err
-        return False
+        return {}
 
 api.register(xmlrpc)

ipalib/plugins/f_user.py

@@ -110,7 +110,7 @@ class user_add(crud.Add):
         assert 'dn' not in kw
         ldap = self.api.Backend.ldap
         kw['uid'] = uid
-        kw['dn'] = ldap.get_user_dn(uid)
+        kw['dn'] = ldap.make_user_dn(uid)
 
         if servercore.uid_too_long(kw['uid']):
             raise errors.UsernameTooLong
@@ -244,18 +244,23 @@ api.register(user_find)
 
 class user_show(crud.Get):
     'Examine an existing user.'
-    def execute(self, *args, **kw):
-        uid=args[0]
-        result = servercore.get_user_by_uid(uid, ["*"])
-        return result
-    def forward(self, *args, **kw):
-        try:
-            result = super(crud.Get, self).forward(*args, **kw)
-            if not result: return
-            for a in result:
-                print a, ": ", result[a]
-        except errors.NotFound:
-            print "User %s not found" % args[0]
+    def execute(self, uid, **kw):
+        """
+        Execute the user-show operation.
+
+        The dn should not be passed as a keyword argument as it is constructed
+        by this method.
+
+        Returns the entry
+
+        :param uid: The login name of the user to retrieve.
+        :param kw: Not used.
+        """
+        ldap = self.api.Backend.ldap
+        dn = ldap.find_entry_dn("uid", uid, ["*"], "posixAccount")
+        # FIXME: should kw contain the list of attributes?
+        return ldap.retrieve(dn)
+
 api.register(user_show)
 
 class user_lock(frontend.Command):