diff --git a/app/controllers/omniauth_callbacks_controller.rb b/app/controllers/omniauth_callbacks_controller.rb
index bd4b310fcbfe0b7d2b94f48854197a8bab7b3dce..58d0506c07d756428ac2acd441a5fdc624f455f2 100644
--- a/app/controllers/omniauth_callbacks_controller.rb
+++ b/app/controllers/omniauth_callbacks_controller.rb
@@ -42,10 +42,8 @@ class OmniauthCallbacksController < Devise::OmniauthCallbacksController
 
   def handle_omniauth
     if current_user
-      # Change a logged-in user's authentication method:
-      current_user.extern_uid = oauth['uid']
-      current_user.provider = oauth['provider']
-      current_user.save
+      # Add new authentication method
+      current_user.identities.find_or_create_by(extern_uid: oauth['uid'], provider: oauth['provider'])
       redirect_to profile_path
     else
       @user = Gitlab::OAuth::User.new(oauth)
@@ -53,6 +51,7 @@ class OmniauthCallbacksController < Devise::OmniauthCallbacksController
 
       # Only allow properly saved users to login.
       if @user.persisted? && @user.valid?
+        # binding.pry
         sign_in_and_redirect(@user.gl_user)
       else
         error_message =
diff --git a/app/helpers/profile_helper.rb b/app/helpers/profile_helper.rb
index 0b3755583053c7b3c2aa780f36e9c7bebaaa5a70..816074e02478adf3cd9af31f5349ce91acaca3f4 100644
--- a/app/helpers/profile_helper.rb
+++ b/app/helpers/profile_helper.rb
@@ -1,6 +1,6 @@
 module ProfileHelper
   def oauth_active_class(provider)
-    if current_user.provider == provider.to_s
+    if current_user.identities.exists?(provider: provider.to_s)
       'active'
     end
   end
diff --git a/app/models/identity.rb b/app/models/identity.rb
new file mode 100644
index 0000000000000000000000000000000000000000..e6af93bcc5019d6fc07ae85133b5d48a30817ff0
--- /dev/null
+++ b/app/models/identity.rb
@@ -0,0 +1,7 @@
+class Identity < ActiveRecord::Base
+  belongs_to :user
+
+  validates :extern_uid, allow_blank: true, uniqueness: {scope: :provider}
+
+  scope :ldap, -> { where('provider LIKE ?', 'ldap%') }
+end
\ No newline at end of file
diff --git a/app/models/user.rb b/app/models/user.rb
index 1cddd85ada0ac68d1036d22ed0c9c06abd13969b..0cf0946593ce8c84848fbce682f8d43bb8890c5a 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -79,6 +79,7 @@ class User < ActiveRecord::Base
   # Profile
   has_many :keys, dependent: :destroy
   has_many :emails, dependent: :destroy
+  has_many :identities, dependent: :destroy
 
   # Groups
   has_many :members, dependent: :destroy
@@ -113,7 +114,6 @@ class User < ActiveRecord::Base
   validates :name, presence: true
   validates :email, presence: true, email: {strict_mode: true}, uniqueness: true
   validates :bio, length: { maximum: 255 }, allow_blank: true
-  validates :extern_uid, allow_blank: true, uniqueness: {scope: :provider}
   validates :projects_limit, presence: true, numericality: {greater_than_or_equal_to: 0}
   validates :username, presence: true, uniqueness: { case_sensitive: false },
             exclusion: { in: Gitlab::Blacklist.path },
@@ -178,7 +178,6 @@ class User < ActiveRecord::Base
   scope :not_in_team, ->(team){ where('users.id NOT IN (:ids)', ids: team.member_ids) }
   scope :not_in_project, ->(project) { project.users.present? ? where("id not in (:ids)", ids: project.users.map(&:id) ) : all }
   scope :without_projects, -> { where('id NOT IN (SELECT DISTINCT(user_id) FROM members)') }
-  scope :ldap, -> { where('provider LIKE ?', 'ldap%') }
   scope :potential_team_members, ->(team) { team.members.any? ? active.not_in_team(team) : active  }
 
   #
diff --git a/db/migrate/20141121161704_add_identity_table.rb b/db/migrate/20141121161704_add_identity_table.rb
new file mode 100644
index 0000000000000000000000000000000000000000..7d019c65ee13e335bc67500cd4bc6613d5e908fe
--- /dev/null
+++ b/db/migrate/20141121161704_add_identity_table.rb
@@ -0,0 +1,21 @@
+class AddIdentityTable < ActiveRecord::Migration
+  def up
+    create_table :identities do |t|
+      t.string :extern_uid
+      t.string :provider
+      t.references :user
+    end
+
+    add_index :identities, :user_id
+
+    User.where("provider is not NULL").find_each do |user|
+      execute "INSERT INTO identities(provider, extern_uid, user_id) VALUES('#{user.provider}', '#{user.extern_uid}', '#{user.id}')"
+    end
+
+    #TODO remove user's columns extern_uid and provider
+  end
+
+  def down
+#TODO
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 68d1080b6ee7959e76d986aad3885f524c125712..34f991e5cf22d9f7a6e6ccf0241bfab432821b41 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,11 +11,20 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20141121133009) do
+ActiveRecord::Schema.define(version: 20141121161704) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
+  create_table "appearances", force: true do |t|
+    t.string   "title"
+    t.text     "description"
+    t.string   "logo"
+    t.integer  "updated_by"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+  end
+
   create_table "broadcast_messages", force: true do |t|
     t.text     "message",    null: false
     t.datetime "starts_at"
@@ -74,6 +83,29 @@ ActiveRecord::Schema.define(version: 20141121133009) do
 
   add_index "forked_project_links", ["forked_to_project_id"], name: "index_forked_project_links_on_forked_to_project_id", unique: true, using: :btree
 
+  create_table "git_hooks", force: true do |t|
+    t.string   "force_push_regex"
+    t.string   "delete_branch_regex"
+    t.string   "commit_message_regex"
+    t.boolean  "deny_delete_tag"
+    t.integer  "project_id"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+    t.string   "username_regex"
+    t.string   "email_regex"
+    t.string   "author_email_regex"
+    t.boolean  "member_check",         default: false, null: false
+    t.string   "file_name_regex"
+  end
+
+  create_table "identities", force: true do |t|
+    t.string  "extern_uid"
+    t.string  "provider"
+    t.integer "user_id"
+  end
+
+  add_index "identities", ["user_id"], name: "index_identities_on_user_id", using: :btree
+
   create_table "issues", force: true do |t|
     t.string   "title"
     t.integer  "assignee_id"
@@ -130,6 +162,15 @@ ActiveRecord::Schema.define(version: 20141121133009) do
 
   add_index "labels", ["project_id"], name: "index_labels_on_project_id", using: :btree
 
+  create_table "ldap_group_links", force: true do |t|
+    t.string   "cn",           null: false
+    t.integer  "group_access", null: false
+    t.integer  "group_id",     null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
+    t.string   "provider"
+  end
+
   create_table "members", force: true do |t|
     t.integer  "access_level",       null: false
     t.integer  "source_id",          null: false
@@ -209,6 +250,8 @@ ActiveRecord::Schema.define(version: 20141121133009) do
     t.string   "type"
     t.string   "description", default: "", null: false
     t.string   "avatar"
+    t.string   "ldap_cn"
+    t.integer  "ldap_access"
   end
 
   add_index "namespaces", ["name"], name: "index_namespaces_on_name", using: :btree
@@ -240,6 +283,14 @@ ActiveRecord::Schema.define(version: 20141121133009) do
   add_index "notes", ["project_id"], name: "index_notes_on_project_id", using: :btree
   add_index "notes", ["updated_at"], name: "index_notes_on_updated_at", using: :btree
 
+  create_table "project_group_links", force: true do |t|
+    t.integer  "project_id",                null: false
+    t.integer  "group_id",                  null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
+    t.integer  "group_access", default: 30, null: false
+  end
+
   create_table "projects", force: true do |t|
     t.string   "name"
     t.string   "path"
@@ -247,21 +298,22 @@ ActiveRecord::Schema.define(version: 20141121133009) do
     t.datetime "created_at"
     t.datetime "updated_at"
     t.integer  "creator_id"
-    t.boolean  "issues_enabled",         default: true,     null: false
-    t.boolean  "wall_enabled",           default: true,     null: false
-    t.boolean  "merge_requests_enabled", default: true,     null: false
-    t.boolean  "wiki_enabled",           default: true,     null: false
+    t.boolean  "issues_enabled",          default: true,     null: false
+    t.boolean  "wall_enabled",            default: true,     null: false
+    t.boolean  "merge_requests_enabled",  default: true,     null: false
+    t.boolean  "wiki_enabled",            default: true,     null: false
     t.integer  "namespace_id"
-    t.string   "issues_tracker",         default: "gitlab", null: false
+    t.string   "issues_tracker",          default: "gitlab", null: false
     t.string   "issues_tracker_id"
-    t.boolean  "snippets_enabled",       default: true,     null: false
+    t.boolean  "snippets_enabled",        default: true,     null: false
     t.datetime "last_activity_at"
     t.string   "import_url"
-    t.integer  "visibility_level",       default: 0,        null: false
-    t.boolean  "archived",               default: false,    null: false
+    t.integer  "visibility_level",        default: 0,        null: false
+    t.boolean  "archived",                default: false,    null: false
     t.string   "import_status"
-    t.float    "repository_size",        default: 0.0
-    t.integer  "star_count",             default: 0,        null: false
+    t.float    "repository_size",         default: 0.0
+    t.integer  "star_count",              default: 0,        null: false
+    t.text     "merge_requests_template"
   end
 
   add_index "projects", ["creator_id"], name: "index_projects_on_creator_id", using: :btree
@@ -327,12 +379,12 @@ ActiveRecord::Schema.define(version: 20141121133009) do
   end
 
   create_table "users", force: true do |t|
-    t.string   "email",                    default: "",    null: false
-    t.string   "encrypted_password",       default: "",    null: false
+    t.string   "email",                       default: "",    null: false
+    t.string   "encrypted_password",          default: "",    null: false
     t.string   "reset_password_token"
     t.datetime "reset_password_sent_at"
     t.datetime "remember_created_at"
-    t.integer  "sign_in_count",            default: 0
+    t.integer  "sign_in_count",               default: 0
     t.datetime "current_sign_in_at"
     t.datetime "last_sign_in_at"
     t.string   "current_sign_in_ip"
@@ -340,24 +392,24 @@ ActiveRecord::Schema.define(version: 20141121133009) do
     t.datetime "created_at"
     t.datetime "updated_at"
     t.string   "name"
-    t.boolean  "admin",                    default: false, null: false
-    t.integer  "projects_limit",           default: 10
-    t.string   "skype",                    default: "",    null: false
-    t.string   "linkedin",                 default: "",    null: false
-    t.string   "twitter",                  default: "",    null: false
+    t.boolean  "admin",                       default: false, null: false
+    t.integer  "projects_limit",              default: 10
+    t.string   "skype",                       default: "",    null: false
+    t.string   "linkedin",                    default: "",    null: false
+    t.string   "twitter",                     default: "",    null: false
     t.string   "authentication_token"
-    t.integer  "theme_id",                 default: 1,     null: false
+    t.integer  "theme_id",                    default: 1,     null: false
     t.string   "bio"
-    t.integer  "failed_attempts",          default: 0
+    t.integer  "failed_attempts",             default: 0
     t.datetime "locked_at"
     t.string   "extern_uid"
     t.string   "provider"
     t.string   "username"
-    t.boolean  "can_create_group",         default: true,  null: false
-    t.boolean  "can_create_team",          default: true,  null: false
+    t.boolean  "can_create_group",            default: true,  null: false
+    t.boolean  "can_create_team",             default: true,  null: false
     t.string   "state"
-    t.integer  "color_scheme_id",          default: 1,     null: false
-    t.integer  "notification_level",       default: 1,     null: false
+    t.integer  "color_scheme_id",             default: 1,     null: false
+    t.integer  "notification_level",          default: 1,     null: false
     t.datetime "password_expires_at"
     t.integer  "created_by_id"
     t.string   "avatar"
@@ -365,9 +417,10 @@ ActiveRecord::Schema.define(version: 20141121133009) do
     t.datetime "confirmed_at"
     t.datetime "confirmation_sent_at"
     t.string   "unconfirmed_email"
-    t.boolean  "hide_no_ssh_key",          default: false
-    t.string   "website_url",              default: "",    null: false
+    t.boolean  "hide_no_ssh_key",             default: false
+    t.string   "website_url",                 default: "",    null: false
     t.datetime "last_credential_check_at"
+    t.datetime "admin_email_unsubscribed_at"
   end
 
   add_index "users", ["admin"], name: "index_users_on_admin", using: :btree
diff --git a/lib/gitlab/ldap/user.rb b/lib/gitlab/ldap/user.rb
index 3176e9790a7e8d968286cb066191df16d4a988cd..827a33b52175382f81ca41761f3e393952662fb3 100644
--- a/lib/gitlab/ldap/user.rb
+++ b/lib/gitlab/ldap/user.rb
@@ -12,9 +12,10 @@ module Gitlab
       class << self
         def find_by_uid_and_provider(uid, provider)
           # LDAP distinguished name is case-insensitive
-          ::User.
+          identity = ::Identity.
             where(provider: [provider, :ldap]).
             where('lower(extern_uid) = ?', uid.downcase).last
+          identity && identity.user
         end
       end
 
@@ -34,7 +35,7 @@ module Gitlab
       end
 
       def find_by_email
-        model.find_by(email: auth_hash.email)
+        User.find_by(email: auth_hash.email)
       end
 
       def update_user_attributes
diff --git a/lib/gitlab/oauth/user.rb b/lib/gitlab/oauth/user.rb
index 47f62153a5003e3f57d171b3184261808d9c230a..7c1970eb8e59938e6c8fabbd673b5ebc3d7ee8bf 100644
--- a/lib/gitlab/oauth/user.rb
+++ b/lib/gitlab/oauth/user.rb
@@ -27,11 +27,9 @@ module Gitlab
       def save
         unauthorized_to_create unless gl_user
 
+        gl_user.save!
         if needs_blocking?
-          gl_user.save!
           gl_user.block
-        else
-          gl_user.save!
         end
 
         log.info "(OAuth) saving user #{auth_hash.email} from login with extern_uid => #{auth_hash.uid}"
@@ -70,24 +68,23 @@ module Gitlab
       end
 
       def find_by_uid_and_provider
-        model.where(provider: auth_hash.provider, extern_uid: auth_hash.uid).last
+        identity = Identity.find_by(provider: auth_hash.provider, extern_uid: auth_hash.uid)
+        identity && identity.user
       end
 
       def build_new_user
-        model.new(user_attributes).tap do |user|
-          user.skip_confirmation!
-        end
+        user = User.new(user_attributes)
+        user.skip_confirmation!
+        user.identities.new(extern_uid: auth_hash.uid, provider: auth_hash.provider)
       end
 
       def user_attributes
         {
-          extern_uid: auth_hash.uid,
-          provider: auth_hash.provider,
           name: auth_hash.name,
           username: auth_hash.username,
           email: auth_hash.email,
           password: auth_hash.password,
-          password_confirmation: auth_hash.password,
+          password_confirmation: auth_hash.password
         }
       end
 
@@ -95,10 +92,6 @@ module Gitlab
         Gitlab::AppLogger
       end
 
-      def model
-        ::User
-      end
-
       def raise_unauthorized_to_create
         raise StandardError.new("Unauthorized to create user, signup disabled for #{auth_hash.provider}")
       end