diff --git a/NOTICE b/NOTICE
new file mode 100644
index 00000000..3fda0db0
--- /dev/null
+++ b/NOTICE
@@ -0,0 +1,2 @@
+ckanext-saml2auth
+Copyright (c) 2020 Keitaro AB
diff --git a/ckanext/__init__.py b/ckanext/__init__.py
index ed48ed01..3a61b90c 100644
--- a/ckanext/__init__.py
+++ b/ckanext/__init__.py
@@ -1,3 +1,20 @@
+"""
+Copyright (c) 2020 Keitaro AB
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"""
+
 # encoding: utf-8
 
 # this is a namespace package
diff --git a/ckanext/saml2auth/__init__.py b/ckanext/saml2auth/__init__.py
index e69de29b..e4f3f751 100644
--- a/ckanext/saml2auth/__init__.py
+++ b/ckanext/saml2auth/__init__.py
@@ -0,0 +1,14 @@
+"""
+Copyright (c) 2020 Keitaro AB
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+"""
diff --git a/ckanext/saml2auth/helpers.py b/ckanext/saml2auth/helpers.py
index 5b8ad6dc..cab219cf 100644
--- a/ckanext/saml2auth/helpers.py
+++ b/ckanext/saml2auth/helpers.py
@@ -1,3 +1,20 @@
+"""
+Copyright (c) 2020 Keitaro AB
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"""
+
 # encoding: utf-8
 import logging
 import string
diff --git a/ckanext/saml2auth/interfaces.py b/ckanext/saml2auth/interfaces.py
index 32d8e4a0..fe600b51 100644
--- a/ckanext/saml2auth/interfaces.py
+++ b/ckanext/saml2auth/interfaces.py
@@ -1,3 +1,20 @@
+"""
+Copyright (c) 2020 Keitaro AB
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"""
+
 from ckan.plugins.interfaces import Interface
 
 
diff --git a/ckanext/saml2auth/plugin.py b/ckanext/saml2auth/plugin.py
index 22b59a1a..7bebd1c5 100644
--- a/ckanext/saml2auth/plugin.py
+++ b/ckanext/saml2auth/plugin.py
@@ -1,3 +1,20 @@
+"""
+Copyright (c) 2020 Keitaro AB
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"""
+
 # encoding: utf-8
 import ckan.plugins as plugins
 import ckan.plugins.toolkit as toolkit
diff --git a/ckanext/saml2auth/spconfig.py b/ckanext/saml2auth/spconfig.py
index 261f8509..0d0eae8b 100644
--- a/ckanext/saml2auth/spconfig.py
+++ b/ckanext/saml2auth/spconfig.py
@@ -1,3 +1,20 @@
+"""
+Copyright (c) 2020 Keitaro AB
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"""
+
 # encoding: utf-8
 from saml2.saml import NAME_FORMAT_URI
 
diff --git a/ckanext/saml2auth/templates/header.html b/ckanext/saml2auth/templates/header.html
index ff68a176..6e8f3036 100644
--- a/ckanext/saml2auth/templates/header.html
+++ b/ckanext/saml2auth/templates/header.html
@@ -1,3 +1,20 @@
+<!--
+Copyright (c) 2020 Keitaro AB
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+-->
+
 {% ckan_extends %}
 {% block header_account_notlogged %}
 
diff --git a/ckanext/saml2auth/templates/user/snippets/login_form.html b/ckanext/saml2auth/templates/user/snippets/login_form.html
index 174ee58e..c3b60a31 100644
--- a/ckanext/saml2auth/templates/user/snippets/login_form.html
+++ b/ckanext/saml2auth/templates/user/snippets/login_form.html
@@ -1,3 +1,20 @@
+<!--
+Copyright (c) 2020 Keitaro AB
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+-->
+
 {% ckan_extends %}
 {% block login_button %}
   <button class="btn btn-primary" type="submit">{{ _('Login') }}</button>
diff --git a/ckanext/saml2auth/tests/__init__.py b/ckanext/saml2auth/tests/__init__.py
index e69de29b..e2f71bba 100644
--- a/ckanext/saml2auth/tests/__init__.py
+++ b/ckanext/saml2auth/tests/__init__.py
@@ -0,0 +1,17 @@
+"""
+Copyright (c) 2020 Keitaro AB
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+"""
diff --git a/ckanext/saml2auth/tests/test_blueprint.py b/ckanext/saml2auth/tests/test_blueprint.py
index c8b72c14..b07b90b4 100644
--- a/ckanext/saml2auth/tests/test_blueprint.py
+++ b/ckanext/saml2auth/tests/test_blueprint.py
@@ -1,3 +1,20 @@
+"""
+Copyright (c) 2020 Keitaro AB
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"""
+
 # encoding: utf-8
 import os
 import pytest
diff --git a/ckanext/saml2auth/tests/test_blueprint_get_request.py b/ckanext/saml2auth/tests/test_blueprint_get_request.py
index f6801763..d084afa4 100644
--- a/ckanext/saml2auth/tests/test_blueprint_get_request.py
+++ b/ckanext/saml2auth/tests/test_blueprint_get_request.py
@@ -1,3 +1,20 @@
+"""
+Copyright (c) 2020 Keitaro AB
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"""
+
 # encoding: utf-8
 import base64
 from datetime import datetime
diff --git a/ckanext/saml2auth/tests/test_client.py b/ckanext/saml2auth/tests/test_client.py
index 020425e1..6d74ef91 100644
--- a/ckanext/saml2auth/tests/test_client.py
+++ b/ckanext/saml2auth/tests/test_client.py
@@ -1,3 +1,20 @@
+"""
+Copyright (c) 2020 Keitaro AB
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"""
+
 # encoding: utf-8
 import os
 import pytest
diff --git a/ckanext/saml2auth/tests/test_helpers.py b/ckanext/saml2auth/tests/test_helpers.py
index 09190da8..35299908 100644
--- a/ckanext/saml2auth/tests/test_helpers.py
+++ b/ckanext/saml2auth/tests/test_helpers.py
@@ -1,3 +1,20 @@
+"""
+Copyright (c) 2020 Keitaro AB
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"""
+
 # encoding: utf-8
 import pytest
 
diff --git a/ckanext/saml2auth/tests/test_interface.py b/ckanext/saml2auth/tests/test_interface.py
index cfa2047d..681d1e21 100644
--- a/ckanext/saml2auth/tests/test_interface.py
+++ b/ckanext/saml2auth/tests/test_interface.py
@@ -1,3 +1,20 @@
+"""
+Copyright (c) 2020 Keitaro AB
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"""
+
 import os
 from collections import defaultdict
 
diff --git a/ckanext/saml2auth/tests/test_spconfig.py b/ckanext/saml2auth/tests/test_spconfig.py
index 0692de94..1facc8f9 100644
--- a/ckanext/saml2auth/tests/test_spconfig.py
+++ b/ckanext/saml2auth/tests/test_spconfig.py
@@ -1,3 +1,20 @@
+"""
+Copyright (c) 2020 Keitaro AB
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"""
+
 # encoding: utf-8
 import pytest
 
diff --git a/ckanext/saml2auth/views/__init__.py b/ckanext/saml2auth/views/__init__.py
index e69de29b..e2f71bba 100644
--- a/ckanext/saml2auth/views/__init__.py
+++ b/ckanext/saml2auth/views/__init__.py
@@ -0,0 +1,17 @@
+"""
+Copyright (c) 2020 Keitaro AB
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+"""
diff --git a/ckanext/saml2auth/views/saml2auth.py b/ckanext/saml2auth/views/saml2auth.py
index a9f7b172..8a8faf32 100644
--- a/ckanext/saml2auth/views/saml2auth.py
+++ b/ckanext/saml2auth/views/saml2auth.py
@@ -1,3 +1,20 @@
+"""
+Copyright (c) 2020 Keitaro AB
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"""
+
 # encoding: utf-8
 import logging
 import copy
diff --git a/conftest.py b/conftest.py
index fae1fc4a..7a44f461 100644
--- a/conftest.py
+++ b/conftest.py
@@ -1,3 +1,20 @@
+"""
+Copyright (c) 2020 Keitaro AB
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"""
+
 # -*- coding: utf-8 -*-
 
 pytest_plugins = [
diff --git a/setup.py b/setup.py
index dfcf4d4e..63d10f11 100644
--- a/setup.py
+++ b/setup.py
@@ -1,3 +1,20 @@
+"""
+Copyright (c) 2020 Keitaro AB
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"""
+
 # -*- coding: utf-8 -*-
 # Always prefer setuptools over distutils
 from setuptools import setup, find_packages