Adds two factor authentication support (#1237).

Patch by Felix Schäfer.


git-svn-id: http://svn.redmine.org/redmine/trunk@19988 e93f8b46-1217-0410-a6f0-8f06a7374b81

1 files changed, 58 insertions, 0 deletions

diff --git a/lib/redmine/twofa.rb b/lib/redmine/twofa.rb
new file mode 100644
index 000000000..44f1b7ac6
--- /dev/null
+++ b/lib/redmine/twofa.rb
@@ -0,0 +1,58 @@
+# frozen_string_literal: true
+
+# Redmine - project management software
+# Copyright (C) 2006-2020  Jean-Philippe Lang
+#
+# 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; either version 2
+# of the License, or (at your option) any later version.
+#
+# 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+module Redmine
+  module Twofa
+    def self.register_scheme(name, klass)
+      initialize_schemes
+      @@schemes[name] = klass
+    end
+
+    def self.available_schemes
+      schemes.keys
+    end
+
+    def self.for_twofa_scheme(name)
+      schemes[name]
+    end
+
+    def self.for_user(user)
+      for_twofa_scheme(user.twofa_scheme).try(:new, user)
+    end
+
+    def self.schemes
+      initialize_schemes
+      @@schemes
+    end
+    private_class_method :schemes
+
+    def self.initialize_schemes
+      @@schemes ||= { }
+      scan_builtin_schemes if @@schemes.blank?
+    end
+    private_class_method :initialize_schemes
+
+    def self.scan_builtin_schemes
+      Dir[Rails.root.join('lib', 'redmine', 'twofa', '*.rb')].each do |file|
+        require_dependency file
+      end
+    end
+    private_class_method :scan_builtin_schemes
+  end
+end