Refactorn oauth & ldap

1 files changed, 66 insertions, 0 deletions

diff --git a/lib/gitlab/auth.rb b/lib/gitlab/auth.rb
new file mode 100644
index 00000000000..ef058ff5ed1
--- /dev/null
+++ b/lib/gitlab/auth.rb
@@ -0,0 +1,66 @@
+module Gitlab
+  class Auth
+    def find_for_ldap_auth(auth, signed_in_resource = nil)
+      uid = auth.info.uid
+      provider = auth.provider
+      email = auth.info.email.downcase unless auth.info.email.nil?
+      raise OmniAuth::Error, "LDAP accounts must provide an uid and email address" if uid.nil? or email.nil?
+
+      if @user = User.find_by_extern_uid_and_provider(uid, provider)
+        @user
+      elsif @user = User.find_by_email(email)
+        log.info "Updating legacy LDAP user #{email} with extern_uid => #{uid}"
+        @user.update_attributes(:extern_uid => uid, :provider => provider)
+        @user
+      else
+        create_from_omniauth(auth, true)
+      end
+    end
+
+    def create_from_omniauth auth, ldap = false
+      provider = auth.provider
+      uid = auth.info.uid || auth.uid
+      name = auth.info.name.force_encoding("utf-8")
+      email = auth.info.email.downcase unless auth.info.email.nil?
+
+      ldap_prefix = ldap ? '(LDAP) ' : ''
+      raise OmniAuth::Error, "#{ldap_prefix}#{provider} does not provide an email"\
+        " address" if auth.info.email.blank?
+
+      log.info "#{ldap_prefix}Creating user from #{provider} login"\
+        " {uid => #{uid}, name => #{name}, email => #{email}}"
+      password = Devise.friendly_token[0, 8].downcase
+      @user = User.new(
+        extern_uid: uid,
+        provider: provider,
+        name: name,
+        email: email,
+        password: password,
+        password_confirmation: password,
+        projects_limit: Gitlab.config.default_projects_limit,
+      )
+      if Gitlab.config.omniauth.block_auto_created_users && !ldap
+        @user.blocked = true
+      end
+      @user.save!
+      @user
+    end
+
+    def find_or_new_for_omniauth(auth)
+      provider, uid = auth.provider, auth.uid
+
+      if @user = User.find_by_provider_and_extern_uid(provider, uid)
+        @user
+      else
+        if Gitlab.config.omniauth.allow_single_sign_on
+          @user = create_from_omniauth(auth)
+          @user
+        end
+      end
+    end
+
+    def log
+      Gitlab::AppLogger
+    end
+  end
+end