1 files changed, 201 insertions, 0 deletions
diff --git a/java/com/google/gerrit/server/auth/ldap/LdapType.java b/java/com/google/gerrit/server/auth/ldap/LdapType.java
new file mode 100644
index 0000000000..fe1f1ffd1f
--- /dev/null
+++ b/java/com/google/gerrit/server/auth/ldap/LdapType.java
@@ -0,0 +1,201 @@
+// Copyright (C) 2009 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.google.gerrit.server.auth.ldap;
+
+import javax.naming.NamingException;
+import javax.naming.directory.Attribute;
+import javax.naming.directory.Attributes;
+import javax.naming.directory.DirContext;
+
+abstract class LdapType {
+  static final LdapType RFC_2307 = new Rfc2307();
+
+  static LdapType guessType(DirContext ctx) throws NamingException {
+    final Attributes rootAtts = ctx.getAttributes("");
+    Attribute supported = rootAtts.get("supportedCapabilities");
+    if (supported != null
+        && (supported.contains("1.2.840.113556.1.4.800")
+            || supported.contains("1.2.840.113556.1.4.1851"))) {
+      return new ActiveDirectory();
+    }
+
+    supported = rootAtts.get("supportedExtension");
+    if (supported != null && supported.contains("2.16.840.1.113730.3.8.10.1")) {
+      return new FreeIPA();
+    }
+
+    return RFC_2307;
+  }
+
+  abstract String groupPattern();
+
+  abstract String groupMemberPattern();
+
+  abstract String groupName();
+
+  abstract String accountFullName();
+
+  abstract String accountEmailAddress();
+
+  abstract String accountSshUserName();
+
+  abstract String accountMemberField();
+
+  abstract boolean accountMemberExpandGroups();
+
+  abstract String accountPattern();
+
+  private static class Rfc2307 extends LdapType {
+    @Override
+    String groupPattern() {
+      return "(cn=${groupname})";
+    }
+
+    @Override
+    String groupMemberPattern() {
+      return "(|(memberUid=${username})(gidNumber=${gidNumber}))";
+    }
+
+    @Override
+    String groupName() {
+      return "cn";
+    }
+
+    @Override
+    String accountFullName() {
+      return "displayName";
+    }
+
+    @Override
+    String accountEmailAddress() {
+      return "mail";
+    }
+
+    @Override
+    String accountSshUserName() {
+      return "uid";
+    }
+
+    @Override
+    String accountMemberField() {
+      return null; // Not defined in RFC 2307
+    }
+
+    @Override
+    String accountPattern() {
+      return "(uid=${username})";
+    }
+
+    @Override
+    boolean accountMemberExpandGroups() {
+      return true;
+    }
+  }
+
+  private static class ActiveDirectory extends LdapType {
+    @Override
+    String groupPattern() {
+      return "(&(objectClass=group)(cn=${groupname}))";
+    }
+
+    @Override
+    String groupName() {
+      return "cn";
+    }
+
+    @Override
+    String groupMemberPattern() {
+      return null; // Active Directory uses memberOf in the account
+    }
+
+    @Override
+    String accountFullName() {
+      return "${givenName} ${sn}";
+    }
+
+    @Override
+    String accountEmailAddress() {
+      return "mail";
+    }
+
+    @Override
+    String accountSshUserName() {
+      return "${sAMAccountName.toLowerCase}";
+    }
+
+    @Override
+    String accountMemberField() {
+      return "memberOf";
+    }
+
+    @Override
+    String accountPattern() {
+      return "(&(objectClass=user)(sAMAccountName=${username}))";
+    }
+
+    @Override
+    boolean accountMemberExpandGroups() {
+      return true;
+    }
+  }
+
+  private static class FreeIPA extends LdapType {
+
+    @Override
+    String groupPattern() {
+      return "(cn=${groupname})";
+    }
+
+    @Override
+    String groupName() {
+      return "cn";
+    }
+
+    @Override
+    String groupMemberPattern() {
+      return null; // FreeIPA uses memberOf in the account
+    }
+
+    @Override
+    String accountFullName() {
+      return "displayName";
+    }
+
+    @Override
+    String accountEmailAddress() {
+      return "mail";
+    }
+
+    @Override
+    String accountSshUserName() {
+      return "uid";
+    }
+
+    @Override
+    String accountMemberField() {
+      return "memberOf";
+    }
+
+    @Override
+    String accountPattern() {
+      return "(uid=${username})";
+    }
+
+    @Override
+    boolean accountMemberExpandGroups() {
+      return false;
+    }
+  }
+}