[#7221] set display_name for ldap autoregister; decode unicode values from ldap
diff --git a/Allura/allura/lib/plugin.py b/Allura/allura/lib/plugin.py
index 78aae92..256d11c 100644
--- a/Allura/allura/lib/plugin.py
+++ b/Allura/allura/lib/plugin.py
@@ -527,7 +527,9 @@
         if user is None:
             if asbool(config.get('auth.ldap.autoregister', True)):
                 log.debug('LdapAuth: authorized user {} needs a mongo record registered.  Creating...'.format(username))
-                user = M.User.register({'username': username})
+                user = M.User.register({'username': username,
+                                        'display_name': LdapUserPreferencesProvider()._get_pref(username, 'display_name'),
+                                        })
             else:
                 log.debug('LdapAuth: no user {} found in local mongo'.format(username))
                 raise exc.HTTPUnauthorized()
@@ -1233,22 +1235,26 @@
     def get_pref(self, user, pref_name):
         from allura import model as M
         if pref_name in self.fields and user != M.User.anonymous():
-            con = ldap_conn()
-            try:
-                rs = con.search_s(ldap_user_dn(user.username), ldap.SCOPE_BASE)
-            except ldap.NO_SUCH_OBJECT:
-                rs = []
-            else:
-                con.unbind_s()
-            if not rs:
-                log.warning('LdapUserPref: No user record found for: {}'.format(user.username))
-                return ''
-            user_dn, user_attrs = rs[0]
-            ldap_attr = self.fields[pref_name]
-            return user_attrs[ldap_attr][0]  # assume single-valued list
+            self._get_pref(user.username, pref_name)
         else:
             return LocalUserPreferencesProvider().get_pref(user, pref_name)
 
+    def _get_pref(self, username, pref_name):
+        con = ldap_conn()
+        try:
+            rs = con.search_s(ldap_user_dn(username), ldap.SCOPE_BASE)
+        except ldap.NO_SUCH_OBJECT:
+            rs = []
+        else:
+            con.unbind_s()
+        if not rs:
+            log.warning('LdapUserPref: No user record found for: {}'.format(user.username))
+            return ''
+        user_dn, user_attrs = rs[0]
+        ldap_attr = self.fields[pref_name]
+        # assume single-valued list
+        return user_attrs[ldap_attr][0].decode('utf-8')
+
     def set_pref(self, user, pref_name, pref_value):
         if pref_name in self.fields:
             con = ldap_conn()
diff --git a/Allura/allura/tests/unit/test_ldap_auth_provider.py b/Allura/allura/tests/unit/test_ldap_auth_provider.py
index cc37b53..417f200 100644
--- a/Allura/allura/tests/unit/test_ldap_auth_provider.py
+++ b/Allura/allura/tests/unit/test_ldap_auth_provider.py
@@ -72,13 +72,34 @@
         self.provider.request.body = '&'.join(['%s=%s' % (k,v) for k,v in params.iteritems()])
         ldap.dn.escape_dn_chars = lambda x: x
 
-        dn = 'uid=%s,ou=users,dc=sf,dc=net' % params['username']
         self.provider._login()
+
+        dn = 'uid=%s,ou=users,dc=sf,dc=net' % params['username']
         ldap.initialize.assert_called_once_with('ldaps://localhost/')
         connection = ldap.initialize.return_value
         connection.bind_s.called_once_with(dn, 'test-password')
         connection.unbind_s.assert_called_once()
 
+    @patch('allura.lib.plugin.ldap')
+    def test_login_autoregister(self, ldap):
+        # covers ldap get_pref too, via the display_name fetch
+        params = {
+            'username': 'abc32590wr38',
+            'password': 'test-password',
+        }
+        self.provider.request.method = 'POST'
+        self.provider.request.body = '&'.join(['%s=%s' % (k,v) for k,v in params.iteritems()])
+        ldap.dn.escape_dn_chars = lambda x: x
+        dn = 'uid=%s,ou=users,dc=sf,dc=net' % params['username']
+        conn = ldap.initialize.return_value
+        conn.search_s.return_value = [(dn, {'cn': [u'åℒƒ'.encode('utf-8')]})]
+
+        self.provider._login()
+
+        user = M.User.query.get(username=params['username'])
+        assert user
+        assert_equal(user.display_name, u'åℒƒ')
+
     @patch('allura.lib.plugin.modlist')
     @patch('allura.lib.plugin.ldap')
     def test_register_user(self, ldap, modlist):
diff --git a/Allura/test.ini b/Allura/test.ini
index 129c305..ecf1639 100644
--- a/Allura/test.ini
+++ b/Allura/test.ini
@@ -146,6 +146,7 @@
 auth.ldap.password.algorithm = 6
 auth.ldap.password.rounds = 6000
 auth.ldap.password.salt_len = 16
+user_prefs_storage.ldap.fields.display_name = cn
 
 auth.allow_user_to_disable_account = true
 auth.allow_edit_prefs = true