Merge pull request #4289 from karlhungus/feature-ldap-signin-with-email-or-username

Allow the ldap logins with email or username

config/gitlab.yml.example

@@ -97,6 +97,7 @@ production: &base
     method: 'ssl' # "ssl" or "plain"
     bind_dn: '_the_full_dn_of_the_user_you_will_bind_with'
     password: '_the_password_of_the_bind_user'
+    allow_username_or_email_login: true
   ## OmniAuth settings
   omniauth:

config/initializers/1_settings.rb

@@ -37,6 +37,8 @@ end
 # Default settings
 Settings['ldap'] ||= Settingslogic.new({})
 Settings.ldap['enabled'] = false if Settings.ldap['enabled'].nil?
+Settings.ldap['allow_username_or_email_login'] = false if Settings.ldap['allow_username_or_email_login'].nil?
+
 Settings['omniauth'] ||= Settingslogic.new({})
 Settings.omniauth['enabled']      = false if Settings.omniauth['enabled'].nil?

config/initializers/devise.rb

@@ -206,6 +206,12 @@ Devise.setup do |config|
   # end
   if Gitlab.config.ldap.enabled
+    if Gitlab.config.ldap.allow_username_or_email_login
+      email_stripping_proc = ->(name) {name.gsub(/@.*$/,'')}
+    else
+      email_stripping_proc = ->(name) {name}
+    end
+
     config.omniauth :ldap,
       host:     Gitlab.config.ldap['host'],
       base:     Gitlab.config.ldap['base'],
@@ -213,7 +219,8 @@ Devise.setup do |config|
       port:     Gitlab.config.ldap['port'],
       method:   Gitlab.config.ldap['method'],
       bind_dn:  Gitlab.config.ldap['bind_dn'],
-      password: Gitlab.config.ldap['password']
+      password: Gitlab.config.ldap['password'],
+      name_proc: email_stripping_proc
   end
   Gitlab.config.omniauth.providers.each do |provider|