diff --git a/lib/pleroma/PasswordResetToken.ex b/lib/pleroma/PasswordResetToken.ex
index 15750565b..57e3b7ef0 100644
--- a/lib/pleroma/PasswordResetToken.ex
+++ b/lib/pleroma/PasswordResetToken.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.PasswordResetToken do
   use Ecto.Schema
 
diff --git a/lib/pleroma/activity.ex b/lib/pleroma/activity.ex
index 200addd6e..34b665765 100644
--- a/lib/pleroma/activity.ex
+++ b/lib/pleroma/activity.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Activity do
   use Ecto.Schema
   alias Pleroma.{Repo, Activity, Notification}
diff --git a/lib/pleroma/application.ex b/lib/pleroma/application.ex
index e15991957..36a3694f2 100644
--- a/lib/pleroma/application.ex
+++ b/lib/pleroma/application.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Application do
   use Application
   import Supervisor.Spec
diff --git a/lib/pleroma/captcha/captcha.ex b/lib/pleroma/captcha/captcha.ex
index 5630f6b57..f80946c8b 100644
--- a/lib/pleroma/captcha/captcha.ex
+++ b/lib/pleroma/captcha/captcha.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Captcha do
   use GenServer
 
diff --git a/lib/pleroma/captcha/captcha_service.ex b/lib/pleroma/captcha/captcha_service.ex
index 8d0b76f86..6037b7087 100644
--- a/lib/pleroma/captcha/captcha_service.ex
+++ b/lib/pleroma/captcha/captcha_service.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Captcha.Service do
   @doc """
   Request new captcha from a captcha service.
diff --git a/lib/pleroma/captcha/kocaptcha.ex b/lib/pleroma/captcha/kocaptcha.ex
index 51900d123..54f4c8bcd 100644
--- a/lib/pleroma/captcha/kocaptcha.ex
+++ b/lib/pleroma/captcha/kocaptcha.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Captcha.Kocaptcha do
   alias Calendar.DateTime
 
diff --git a/lib/pleroma/config.ex b/lib/pleroma/config.ex
index 3876ddf1f..6b1598d66 100644
--- a/lib/pleroma/config.ex
+++ b/lib/pleroma/config.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Config do
   defmodule Error do
     defexception [:message]
diff --git a/lib/pleroma/emails/mailer.ex b/lib/pleroma/emails/mailer.ex
index 14ed32ea8..a8bd70b6e 100644
--- a/lib/pleroma/emails/mailer.ex
+++ b/lib/pleroma/emails/mailer.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Mailer do
   use Swoosh.Mailer, otp_app: :pleroma
 end
diff --git a/lib/pleroma/emails/user_email.ex b/lib/pleroma/emails/user_email.ex
index 8f916f470..688b0cd1c 100644
--- a/lib/pleroma/emails/user_email.ex
+++ b/lib/pleroma/emails/user_email.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.UserEmail do
   @moduledoc "User emails"
 
diff --git a/lib/pleroma/emoji.ex b/lib/pleroma/emoji.ex
index bedad99d6..b5e0a83d8 100644
--- a/lib/pleroma/emoji.ex
+++ b/lib/pleroma/emoji.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Emoji do
   @moduledoc """
   The emojis are loaded from:
diff --git a/lib/pleroma/filter.ex b/lib/pleroma/filter.ex
index c57bd3bf8..9ddc5fd6c 100644
--- a/lib/pleroma/filter.ex
+++ b/lib/pleroma/filter.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Filter do
   use Ecto.Schema
   import Ecto.{Changeset, Query}
diff --git a/lib/pleroma/formatter.ex b/lib/pleroma/formatter.ex
index 72fe9640b..49a9913dc 100644
--- a/lib/pleroma/formatter.ex
+++ b/lib/pleroma/formatter.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Formatter do
   alias Pleroma.User
   alias Pleroma.Web.MediaProxy
diff --git a/lib/pleroma/gopher/server.ex b/lib/pleroma/gopher/server.ex
index 4d582ef25..fee7156d3 100644
--- a/lib/pleroma/gopher/server.ex
+++ b/lib/pleroma/gopher/server.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Gopher.Server do
   use GenServer
   require Logger
diff --git a/lib/pleroma/html.ex b/lib/pleroma/html.ex
index 583f05aeb..a0473676b 100644
--- a/lib/pleroma/html.ex
+++ b/lib/pleroma/html.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.HTML do
   alias HtmlSanitizeEx.Scrubber
 
diff --git a/lib/pleroma/http/connection.ex b/lib/pleroma/http/connection.ex
index 7b11060b2..35c1490da 100644
--- a/lib/pleroma/http/connection.ex
+++ b/lib/pleroma/http/connection.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.HTTP.Connection do
   @moduledoc """
   Connection for http-requests.
diff --git a/lib/pleroma/http/http.ex b/lib/pleroma/http/http.ex
index 3c0256575..e572dfedf 100644
--- a/lib/pleroma/http/http.ex
+++ b/lib/pleroma/http/http.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.HTTP do
   @moduledoc """
 
diff --git a/lib/pleroma/http/request_builder.ex b/lib/pleroma/http/request_builder.ex
index 5aee2b8ae..54569c6f7 100644
--- a/lib/pleroma/http/request_builder.ex
+++ b/lib/pleroma/http/request_builder.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.HTTP.RequestBuilder do
   @moduledoc """
   Helper functions for building Tesla requests
diff --git a/lib/pleroma/list.ex b/lib/pleroma/list.ex
index c5bf3e083..2c799bc33 100644
--- a/lib/pleroma/list.ex
+++ b/lib/pleroma/list.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.List do
   use Ecto.Schema
   import Ecto.{Changeset, Query}
diff --git a/lib/pleroma/mime.ex b/lib/pleroma/mime.ex
index 2cb3d8bd1..e3a389749 100644
--- a/lib/pleroma/mime.ex
+++ b/lib/pleroma/mime.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.MIME do
   @moduledoc """
   Returns the mime-type of a binary and optionally a normalized file-name.
diff --git a/lib/pleroma/notification.ex b/lib/pleroma/notification.ex
index 47f6b6ee7..301cfd134 100644
--- a/lib/pleroma/notification.ex
+++ b/lib/pleroma/notification.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Notification do
   use Ecto.Schema
   alias Pleroma.{User, Activity, Notification, Repo, Object}
diff --git a/lib/pleroma/object.ex b/lib/pleroma/object.ex
index 31c8dd5bd..cc4a2181a 100644
--- a/lib/pleroma/object.ex
+++ b/lib/pleroma/object.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Object do
   use Ecto.Schema
   alias Pleroma.{Repo, Object, User, Activity}
diff --git a/lib/pleroma/plugs/admin_secret_authentication_plug.ex b/lib/pleroma/plugs/admin_secret_authentication_plug.ex
index f61a6ee24..2c9348715 100644
--- a/lib/pleroma/plugs/admin_secret_authentication_plug.ex
+++ b/lib/pleroma/plugs/admin_secret_authentication_plug.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Plugs.AdminSecretAuthenticationPlug do
   import Plug.Conn
   alias Pleroma.User
diff --git a/lib/pleroma/plugs/authentication_plug.ex b/lib/pleroma/plugs/authentication_plug.ex
index b240ff29f..6b8d51300 100644
--- a/lib/pleroma/plugs/authentication_plug.ex
+++ b/lib/pleroma/plugs/authentication_plug.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Plugs.AuthenticationPlug do
   alias Comeonin.Pbkdf2
   import Plug.Conn
diff --git a/lib/pleroma/plugs/basic_auth_decoder_plug.ex b/lib/pleroma/plugs/basic_auth_decoder_plug.ex
index f7ebf7db2..0690f4bea 100644
--- a/lib/pleroma/plugs/basic_auth_decoder_plug.ex
+++ b/lib/pleroma/plugs/basic_auth_decoder_plug.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Plugs.BasicAuthDecoderPlug do
   import Plug.Conn
 
diff --git a/lib/pleroma/plugs/digest.ex b/lib/pleroma/plugs/digest.ex
index 9d6bbb085..27b206965 100644
--- a/lib/pleroma/plugs/digest.ex
+++ b/lib/pleroma/plugs/digest.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.Plugs.DigestPlug do
   alias Plug.Conn
   require Logger
diff --git a/lib/pleroma/plugs/ensure_authenticated_plug.ex b/lib/pleroma/plugs/ensure_authenticated_plug.ex
index bca44eb2c..f18653f41 100644
--- a/lib/pleroma/plugs/ensure_authenticated_plug.ex
+++ b/lib/pleroma/plugs/ensure_authenticated_plug.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Plugs.EnsureAuthenticatedPlug do
   import Plug.Conn
   alias Pleroma.User
diff --git a/lib/pleroma/plugs/ensure_user_key_plug.ex b/lib/pleroma/plugs/ensure_user_key_plug.ex
index 05a567757..db3da228d 100644
--- a/lib/pleroma/plugs/ensure_user_key_plug.ex
+++ b/lib/pleroma/plugs/ensure_user_key_plug.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Plugs.EnsureUserKeyPlug do
   import Plug.Conn
 
diff --git a/lib/pleroma/plugs/federating_plug.ex b/lib/pleroma/plugs/federating_plug.ex
index b5326d97b..e7dfda295 100644
--- a/lib/pleroma/plugs/federating_plug.ex
+++ b/lib/pleroma/plugs/federating_plug.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.FederatingPlug do
   import Plug.Conn
 
diff --git a/lib/pleroma/plugs/http_security_plug.ex b/lib/pleroma/plugs/http_security_plug.ex
index f34f2364b..11bceafd4 100644
--- a/lib/pleroma/plugs/http_security_plug.ex
+++ b/lib/pleroma/plugs/http_security_plug.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Plugs.HTTPSecurityPlug do
   alias Pleroma.Config
   import Plug.Conn
diff --git a/lib/pleroma/plugs/http_signature.ex b/lib/pleroma/plugs/http_signature.ex
index 9e53371b7..33fbba840 100644
--- a/lib/pleroma/plugs/http_signature.ex
+++ b/lib/pleroma/plugs/http_signature.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.Plugs.HTTPSignaturePlug do
   alias Pleroma.Web.HTTPSignatures
   alias Pleroma.Web.ActivityPub.Utils
diff --git a/lib/pleroma/plugs/instance_static.ex b/lib/pleroma/plugs/instance_static.ex
index 46ee77e11..02ee99e0f 100644
--- a/lib/pleroma/plugs/instance_static.ex
+++ b/lib/pleroma/plugs/instance_static.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Plugs.InstanceStatic do
   @moduledoc """
   This is a shim to call `Plug.Static` but with runtime `from` configuration.
diff --git a/lib/pleroma/plugs/legacy_authentication_plug.ex b/lib/pleroma/plugs/legacy_authentication_plug.ex
index d22c1a647..3cb3fdf4b 100644
--- a/lib/pleroma/plugs/legacy_authentication_plug.ex
+++ b/lib/pleroma/plugs/legacy_authentication_plug.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Plugs.LegacyAuthenticationPlug do
   import Plug.Conn
   alias Pleroma.User
diff --git a/lib/pleroma/plugs/oauth_plug.ex b/lib/pleroma/plugs/oauth_plug.ex
index 13c914c1b..7c3541197 100644
--- a/lib/pleroma/plugs/oauth_plug.ex
+++ b/lib/pleroma/plugs/oauth_plug.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Plugs.OAuthPlug do
   import Plug.Conn
   import Ecto.Query
diff --git a/lib/pleroma/plugs/session_authentication_plug.ex b/lib/pleroma/plugs/session_authentication_plug.ex
index aed619432..413bdcf2c 100644
--- a/lib/pleroma/plugs/session_authentication_plug.ex
+++ b/lib/pleroma/plugs/session_authentication_plug.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Plugs.SessionAuthenticationPlug do
   import Plug.Conn
 
diff --git a/lib/pleroma/plugs/set_user_session_id_plug.ex b/lib/pleroma/plugs/set_user_session_id_plug.ex
index adc0a42b5..9fad6dfee 100644
--- a/lib/pleroma/plugs/set_user_session_id_plug.ex
+++ b/lib/pleroma/plugs/set_user_session_id_plug.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Plugs.SetUserSessionIdPlug do
   import Plug.Conn
   alias Pleroma.User
diff --git a/lib/pleroma/plugs/uploaded_media.ex b/lib/pleroma/plugs/uploaded_media.ex
index 7e1e84126..f998293e8 100644
--- a/lib/pleroma/plugs/uploaded_media.ex
+++ b/lib/pleroma/plugs/uploaded_media.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Plugs.UploadedMedia do
   @moduledoc """
   """
diff --git a/lib/pleroma/plugs/user_enabled_plug.ex b/lib/pleroma/plugs/user_enabled_plug.ex
index 01482f47d..79d6a9b99 100644
--- a/lib/pleroma/plugs/user_enabled_plug.ex
+++ b/lib/pleroma/plugs/user_enabled_plug.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Plugs.UserEnabledPlug do
   import Plug.Conn
   alias Pleroma.User
diff --git a/lib/pleroma/plugs/user_fetcher_plug.ex b/lib/pleroma/plugs/user_fetcher_plug.ex
index e24785ad1..04957148b 100644
--- a/lib/pleroma/plugs/user_fetcher_plug.ex
+++ b/lib/pleroma/plugs/user_fetcher_plug.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Plugs.UserFetcherPlug do
   import Plug.Conn
   alias Pleroma.Repo
diff --git a/lib/pleroma/plugs/user_is_admin_plug.ex b/lib/pleroma/plugs/user_is_admin_plug.ex
index cf22ce5d0..a98c2c853 100644
--- a/lib/pleroma/plugs/user_is_admin_plug.ex
+++ b/lib/pleroma/plugs/user_is_admin_plug.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Plugs.UserIsAdminPlug do
   import Plug.Conn
   alias Pleroma.User
diff --git a/lib/pleroma/repo.ex b/lib/pleroma/repo.ex
index 7cecd7b38..0b49f7712 100644
--- a/lib/pleroma/repo.ex
+++ b/lib/pleroma/repo.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Repo do
   use Ecto.Repo, otp_app: :pleroma
 
diff --git a/lib/pleroma/reverse_proxy.ex b/lib/pleroma/reverse_proxy.ex
index 7f328d00d..c9d6f0d2c 100644
--- a/lib/pleroma/reverse_proxy.ex
+++ b/lib/pleroma/reverse_proxy.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.ReverseProxy do
   @keep_req_headers ~w(accept user-agent accept-encoding cache-control if-modified-since if-unmodified-since if-none-match if-range range)
   @resp_cache_headers ~w(etag date last-modified cache-control)
diff --git a/lib/pleroma/stats.ex b/lib/pleroma/stats.ex
index 8478fe4ce..c48184ed3 100644
--- a/lib/pleroma/stats.ex
+++ b/lib/pleroma/stats.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Stats do
   import Ecto.Query
   alias Pleroma.{User, Repo}
diff --git a/lib/pleroma/upload.ex b/lib/pleroma/upload.ex
index 07031ac58..744abec56 100644
--- a/lib/pleroma/upload.ex
+++ b/lib/pleroma/upload.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Upload do
   @moduledoc """
   # Upload
diff --git a/lib/pleroma/upload/filter.ex b/lib/pleroma/upload/filter.ex
index d1384ddad..f7257be65 100644
--- a/lib/pleroma/upload/filter.ex
+++ b/lib/pleroma/upload/filter.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Upload.Filter do
   @moduledoc """
   Upload Filter behaviour
diff --git a/lib/pleroma/upload/filter/anonymize_filename.ex b/lib/pleroma/upload/filter/anonymize_filename.ex
index 39eed7af3..c26e4f32c 100644
--- a/lib/pleroma/upload/filter/anonymize_filename.ex
+++ b/lib/pleroma/upload/filter/anonymize_filename.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Upload.Filter.AnonymizeFilename do
   @moduledoc """
   Replaces the original filename with a pre-defined text or randomly generated string.
diff --git a/lib/pleroma/upload/filter/dedupe.ex b/lib/pleroma/upload/filter/dedupe.ex
index 0657b2c8d..2d1ddab7f 100644
--- a/lib/pleroma/upload/filter/dedupe.ex
+++ b/lib/pleroma/upload/filter/dedupe.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Upload.Filter.Dedupe do
   @behaviour Pleroma.Upload.Filter
   alias Pleroma.Upload
diff --git a/lib/pleroma/upload/filter/mogrifun.ex b/lib/pleroma/upload/filter/mogrifun.ex
index 4d4f0b401..f8920d31b 100644
--- a/lib/pleroma/upload/filter/mogrifun.ex
+++ b/lib/pleroma/upload/filter/mogrifun.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Upload.Filter.Mogrifun do
   @behaviour Pleroma.Upload.Filter
 
diff --git a/lib/pleroma/upload/filter/mogrify.ex b/lib/pleroma/upload/filter/mogrify.ex
index f106bd4b1..7331c2bd9 100644
--- a/lib/pleroma/upload/filter/mogrify.ex
+++ b/lib/pleroma/upload/filter/mogrify.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Upload.Filter.Mogrify do
   @behaviour Pleroma.Upload.Filter
 
diff --git a/lib/pleroma/uploaders/local.ex b/lib/pleroma/uploaders/local.ex
index 2994bcd51..de50a13c1 100644
--- a/lib/pleroma/uploaders/local.ex
+++ b/lib/pleroma/uploaders/local.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Uploaders.Local do
   @behaviour Pleroma.Uploaders.Uploader
 
diff --git a/lib/pleroma/uploaders/mdii.ex b/lib/pleroma/uploaders/mdii.ex
index f06755056..b16782fbb 100644
--- a/lib/pleroma/uploaders/mdii.ex
+++ b/lib/pleroma/uploaders/mdii.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Uploaders.MDII do
   alias Pleroma.Config
 
diff --git a/lib/pleroma/uploaders/s3.ex b/lib/pleroma/uploaders/s3.ex
index 19832a7ec..db5e8b75e 100644
--- a/lib/pleroma/uploaders/s3.ex
+++ b/lib/pleroma/uploaders/s3.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Uploaders.S3 do
   @behaviour Pleroma.Uploaders.Uploader
   require Logger
diff --git a/lib/pleroma/uploaders/swift/keystone.ex b/lib/pleroma/uploaders/swift/keystone.ex
index 4aed977b1..f10361b19 100644
--- a/lib/pleroma/uploaders/swift/keystone.ex
+++ b/lib/pleroma/uploaders/swift/keystone.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Uploaders.Swift.Keystone do
   use HTTPoison.Base
 
diff --git a/lib/pleroma/uploaders/swift/swift.ex b/lib/pleroma/uploaders/swift/swift.ex
index d4e758bbb..fef426b42 100644
--- a/lib/pleroma/uploaders/swift/swift.ex
+++ b/lib/pleroma/uploaders/swift/swift.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Uploaders.Swift.Client do
   use HTTPoison.Base
 
diff --git a/lib/pleroma/uploaders/swift/uploader.ex b/lib/pleroma/uploaders/swift/uploader.ex
index b35b9807b..d359ff8f8 100644
--- a/lib/pleroma/uploaders/swift/uploader.ex
+++ b/lib/pleroma/uploaders/swift/uploader.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Uploaders.Swift do
   @behaviour Pleroma.Uploaders.Uploader
 
diff --git a/lib/pleroma/uploaders/uploader.ex b/lib/pleroma/uploaders/uploader.ex
index afda5609e..49da6e9a9 100644
--- a/lib/pleroma/uploaders/uploader.ex
+++ b/lib/pleroma/uploaders/uploader.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Uploaders.Uploader do
   @moduledoc """
   Defines the contract to put and get an uploaded file to any backend.
diff --git a/lib/pleroma/user.ex b/lib/pleroma/user.ex
index f8827abec..1f930479d 100644
--- a/lib/pleroma/user.ex
+++ b/lib/pleroma/user.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.User do
   use Ecto.Schema
 
diff --git a/lib/pleroma/user/info.ex b/lib/pleroma/user/info.ex
index 3de4af56c..71848d91e 100644
--- a/lib/pleroma/user/info.ex
+++ b/lib/pleroma/user/info.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.User.Info do
   use Ecto.Schema
   import Ecto.Changeset
diff --git a/lib/pleroma/user_invite_token.ex b/lib/pleroma/user_invite_token.ex
index ce804f78e..65ffe149c 100644
--- a/lib/pleroma/user_invite_token.ex
+++ b/lib/pleroma/user_invite_token.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.UserInviteToken do
   use Ecto.Schema
 
diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
index 31455343c..188060780 100644
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.ActivityPub.ActivityPub do
   alias Pleroma.{Activity, Repo, Object, Upload, User, Notification}
   alias Pleroma.Web.ActivityPub.{Transmogrifier, MRF}
diff --git a/lib/pleroma/web/activity_pub/activity_pub_controller.ex b/lib/pleroma/web/activity_pub/activity_pub_controller.ex
index 0317f3c8c..7fd6a45f5 100644
--- a/lib/pleroma/web/activity_pub/activity_pub_controller.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub_controller.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.ActivityPub.ActivityPubController do
   use Pleroma.Web, :controller
   alias Pleroma.{User, Object}
diff --git a/lib/pleroma/web/activity_pub/mrf.ex b/lib/pleroma/web/activity_pub/mrf.ex
index 0a4e2bf80..00919a5f6 100644
--- a/lib/pleroma/web/activity_pub/mrf.ex
+++ b/lib/pleroma/web/activity_pub/mrf.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.ActivityPub.MRF do
   @callback filter(Map.t()) :: {:ok | :reject, Map.t()}
 
diff --git a/lib/pleroma/web/activity_pub/mrf/drop_policy.ex b/lib/pleroma/web/activity_pub/mrf/drop_policy.ex
index 811947943..6ac7b0ec1 100644
--- a/lib/pleroma/web/activity_pub/mrf/drop_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/drop_policy.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.ActivityPub.MRF.DropPolicy do
   require Logger
   @behaviour Pleroma.Web.ActivityPub.MRF
diff --git a/lib/pleroma/web/activity_pub/mrf/ensure_re_prepended.ex b/lib/pleroma/web/activity_pub/mrf/ensure_re_prepended.ex
index 6fa48454a..ca3ee8a0d 100644
--- a/lib/pleroma/web/activity_pub/mrf/ensure_re_prepended.ex
+++ b/lib/pleroma/web/activity_pub/mrf/ensure_re_prepended.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.ActivityPub.MRF.EnsureRePrepended do
   alias Pleroma.Object
 
diff --git a/lib/pleroma/web/activity_pub/mrf/hellthread_policy.ex b/lib/pleroma/web/activity_pub/mrf/hellthread_policy.ex
index 55d6ff3f0..e4fb0b5b0 100644
--- a/lib/pleroma/web/activity_pub/mrf/hellthread_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/hellthread_policy.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.ActivityPub.MRF.HellthreadPolicy do
   @behaviour Pleroma.Web.ActivityPub.MRF
 
diff --git a/lib/pleroma/web/activity_pub/mrf/noop_policy.ex b/lib/pleroma/web/activity_pub/mrf/noop_policy.ex
index e26f60d26..8eacc62bc 100644
--- a/lib/pleroma/web/activity_pub/mrf/noop_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/noop_policy.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.ActivityPub.MRF.NoOpPolicy do
   @behaviour Pleroma.Web.ActivityPub.MRF
 
diff --git a/lib/pleroma/web/activity_pub/mrf/normalize_markup.ex b/lib/pleroma/web/activity_pub/mrf/normalize_markup.ex
index c53cb1ad2..6cfd43974 100644
--- a/lib/pleroma/web/activity_pub/mrf/normalize_markup.ex
+++ b/lib/pleroma/web/activity_pub/mrf/normalize_markup.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.ActivityPub.MRF.NormalizeMarkup do
   alias Pleroma.HTML
 
diff --git a/lib/pleroma/web/activity_pub/mrf/reject_non_public.ex b/lib/pleroma/web/activity_pub/mrf/reject_non_public.ex
index 627284083..07d739437 100644
--- a/lib/pleroma/web/activity_pub/mrf/reject_non_public.ex
+++ b/lib/pleroma/web/activity_pub/mrf/reject_non_public.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.ActivityPub.MRF.RejectNonPublic do
   alias Pleroma.User
   @behaviour Pleroma.Web.ActivityPub.MRF
diff --git a/lib/pleroma/web/activity_pub/mrf/simple_policy.ex b/lib/pleroma/web/activity_pub/mrf/simple_policy.ex
index 12fc3b181..9ced1e620 100644
--- a/lib/pleroma/web/activity_pub/mrf/simple_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/simple_policy.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do
   alias Pleroma.User
   @behaviour Pleroma.Web.ActivityPub.MRF
diff --git a/lib/pleroma/web/activity_pub/mrf/user_allowlist.ex b/lib/pleroma/web/activity_pub/mrf/user_allowlist.ex
index 3503d8692..7a78c50bf 100644
--- a/lib/pleroma/web/activity_pub/mrf/user_allowlist.ex
+++ b/lib/pleroma/web/activity_pub/mrf/user_allowlist.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.ActivityPub.MRF.UserAllowListPolicy do
   alias Pleroma.Config
 
diff --git a/lib/pleroma/web/activity_pub/relay.ex b/lib/pleroma/web/activity_pub/relay.ex
index fcdc6b1c0..d0a866589 100644
--- a/lib/pleroma/web/activity_pub/relay.ex
+++ b/lib/pleroma/web/activity_pub/relay.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.ActivityPub.Relay do
   alias Pleroma.{User, Object, Activity}
   alias Pleroma.Web.ActivityPub.ActivityPub
diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex
index 4bc96b00d..315571e1a 100644
--- a/lib/pleroma/web/activity_pub/transmogrifier.ex
+++ b/lib/pleroma/web/activity_pub/transmogrifier.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.ActivityPub.Transmogrifier do
   @moduledoc """
   A module to handle coding from internal to wire ActivityPub and back.
diff --git a/lib/pleroma/web/activity_pub/utils.ex b/lib/pleroma/web/activity_pub/utils.ex
index 074622f2b..59cf6abfc 100644
--- a/lib/pleroma/web/activity_pub/utils.ex
+++ b/lib/pleroma/web/activity_pub/utils.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.ActivityPub.Utils do
   alias Pleroma.{Repo, Web, Object, Activity, User, Notification}
   alias Pleroma.Web.Router.Helpers
diff --git a/lib/pleroma/web/activity_pub/views/object_view.ex b/lib/pleroma/web/activity_pub/views/object_view.ex
index ff664636c..efe16b2bf 100644
--- a/lib/pleroma/web/activity_pub/views/object_view.ex
+++ b/lib/pleroma/web/activity_pub/views/object_view.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.ActivityPub.ObjectView do
   use Pleroma.Web, :view
   alias Pleroma.{Object, Activity}
diff --git a/lib/pleroma/web/activity_pub/views/user_view.ex b/lib/pleroma/web/activity_pub/views/user_view.ex
index 869934172..f0c268755 100644
--- a/lib/pleroma/web/activity_pub/views/user_view.ex
+++ b/lib/pleroma/web/activity_pub/views/user_view.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.ActivityPub.UserView do
   use Pleroma.Web, :view
   alias Pleroma.Web.Salmon
diff --git a/lib/pleroma/web/admin_api/admin_api_controller.ex b/lib/pleroma/web/admin_api/admin_api_controller.ex
index 683310168..49d237661 100644
--- a/lib/pleroma/web/admin_api/admin_api_controller.ex
+++ b/lib/pleroma/web/admin_api/admin_api_controller.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.AdminAPI.AdminAPIController do
   use Pleroma.Web, :controller
   alias Pleroma.User
diff --git a/lib/pleroma/web/channels/user_socket.ex b/lib/pleroma/web/channels/user_socket.ex
index 9918d3b49..23ba5a381 100644
--- a/lib/pleroma/web/channels/user_socket.ex
+++ b/lib/pleroma/web/channels/user_socket.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.UserSocket do
   use Phoenix.Socket
   alias Pleroma.User
diff --git a/lib/pleroma/web/chat_channel.ex b/lib/pleroma/web/chat_channel.ex
index 37eba8c3f..ac28f300b 100644
--- a/lib/pleroma/web/chat_channel.ex
+++ b/lib/pleroma/web/chat_channel.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.ChatChannel do
   use Phoenix.Channel
   alias Pleroma.Web.ChatChannel.ChatChannelState
diff --git a/lib/pleroma/web/common_api/common_api.ex b/lib/pleroma/web/common_api/common_api.ex
index f01d36370..5e5821561 100644
--- a/lib/pleroma/web/common_api/common_api.ex
+++ b/lib/pleroma/web/common_api/common_api.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.CommonAPI do
   alias Pleroma.{User, Repo, Activity, Object}
   alias Pleroma.Web.ActivityPub.ActivityPub
diff --git a/lib/pleroma/web/common_api/utils.ex b/lib/pleroma/web/common_api/utils.ex
index 142283684..b91cfc4bb 100644
--- a/lib/pleroma/web/common_api/utils.ex
+++ b/lib/pleroma/web/common_api/utils.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.CommonAPI.Utils do
   alias Calendar.Strftime
   alias Comeonin.Pbkdf2
diff --git a/lib/pleroma/web/controller_helper.ex b/lib/pleroma/web/controller_helper.ex
index ddf958811..cb0463eeb 100644
--- a/lib/pleroma/web/controller_helper.ex
+++ b/lib/pleroma/web/controller_helper.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.ControllerHelper do
   use Pleroma.Web, :controller
 
diff --git a/lib/pleroma/web/endpoint.ex b/lib/pleroma/web/endpoint.ex
index 564fc2c1d..e994f8f37 100644
--- a/lib/pleroma/web/endpoint.ex
+++ b/lib/pleroma/web/endpoint.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.Endpoint do
   use Phoenix.Endpoint, otp_app: :pleroma
 
diff --git a/lib/pleroma/web/federator/federator.ex b/lib/pleroma/web/federator/federator.ex
index a9c7aecd5..3aec55274 100644
--- a/lib/pleroma/web/federator/federator.ex
+++ b/lib/pleroma/web/federator/federator.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.Federator do
   use GenServer
   alias Pleroma.User
diff --git a/lib/pleroma/web/federator/retry_queue.ex b/lib/pleroma/web/federator/retry_queue.ex
index 510b4315d..5f1d43008 100644
--- a/lib/pleroma/web/federator/retry_queue.ex
+++ b/lib/pleroma/web/federator/retry_queue.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.Federator.RetryQueue do
   use GenServer
 
diff --git a/lib/pleroma/web/gettext.ex b/lib/pleroma/web/gettext.ex
index 501545581..f40fd04c0 100644
--- a/lib/pleroma/web/gettext.ex
+++ b/lib/pleroma/web/gettext.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.Gettext do
   @moduledoc """
   A module providing Internationalization with a gettext-based API.
diff --git a/lib/pleroma/web/http_signatures/http_signatures.ex b/lib/pleroma/web/http_signatures/http_signatures.ex
index 0e54debd5..0e4f8f14b 100644
--- a/lib/pleroma/web/http_signatures/http_signatures.ex
+++ b/lib/pleroma/web/http_signatures/http_signatures.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 # https://tools.ietf.org/html/draft-cavage-http-signatures-08
 defmodule Pleroma.Web.HTTPSignatures do
   alias Pleroma.User
diff --git a/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex b/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
index c6db89442..22715bb76 100644
--- a/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
+++ b/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   use Pleroma.Web, :controller
   alias Pleroma.{Repo, Object, Activity, User, Notification, Stats}
diff --git a/lib/pleroma/web/mastodon_api/views/account_view.ex b/lib/pleroma/web/mastodon_api/views/account_view.ex
index 50df88aca..aaaae2035 100644
--- a/lib/pleroma/web/mastodon_api/views/account_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/account_view.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.MastodonAPI.AccountView do
   use Pleroma.Web, :view
   alias Pleroma.User
diff --git a/lib/pleroma/web/mastodon_api/views/filter_view.ex b/lib/pleroma/web/mastodon_api/views/filter_view.ex
index 6bd687d46..ffbd830e1 100644
--- a/lib/pleroma/web/mastodon_api/views/filter_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/filter_view.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.MastodonAPI.FilterView do
   use Pleroma.Web, :view
   alias Pleroma.Web.MastodonAPI.FilterView
diff --git a/lib/pleroma/web/mastodon_api/views/list_view.ex b/lib/pleroma/web/mastodon_api/views/list_view.ex
index 1a1b7430b..dd0121f7a 100644
--- a/lib/pleroma/web/mastodon_api/views/list_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/list_view.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.MastodonAPI.ListView do
   use Pleroma.Web, :view
   alias Pleroma.Web.MastodonAPI.ListView
diff --git a/lib/pleroma/web/mastodon_api/views/mastodon_view.ex b/lib/pleroma/web/mastodon_api/views/mastodon_view.ex
index 1fd05d9f1..a3adabc50 100644
--- a/lib/pleroma/web/mastodon_api/views/mastodon_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/mastodon_view.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.MastodonAPI.MastodonView do
   use Pleroma.Web, :view
   import Phoenix.HTML
diff --git a/lib/pleroma/web/mastodon_api/views/push_subscription_view.ex b/lib/pleroma/web/mastodon_api/views/push_subscription_view.ex
index 67e86294e..7970bcd47 100644
--- a/lib/pleroma/web/mastodon_api/views/push_subscription_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/push_subscription_view.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.MastodonAPI.PushSubscriptionView do
   use Pleroma.Web, :view
 
diff --git a/lib/pleroma/web/mastodon_api/views/status_view.ex b/lib/pleroma/web/mastodon_api/views/status_view.ex
index d06da812c..4d4681da8 100644
--- a/lib/pleroma/web/mastodon_api/views/status_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/status_view.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.MastodonAPI.StatusView do
   use Pleroma.Web, :view
 
diff --git a/lib/pleroma/web/mastodon_api/websocket_handler.ex b/lib/pleroma/web/mastodon_api/websocket_handler.ex
index 11e0e1696..7b90649ad 100644
--- a/lib/pleroma/web/mastodon_api/websocket_handler.ex
+++ b/lib/pleroma/web/mastodon_api/websocket_handler.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.MastodonAPI.WebsocketHandler do
   require Logger
 
diff --git a/lib/pleroma/web/media_proxy/controller.ex b/lib/pleroma/web/media_proxy/controller.ex
index 63140feb9..8c82b4176 100644
--- a/lib/pleroma/web/media_proxy/controller.ex
+++ b/lib/pleroma/web/media_proxy/controller.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.MediaProxy.MediaProxyController do
   use Pleroma.Web, :controller
   alias Pleroma.{Web.MediaProxy, ReverseProxy}
diff --git a/lib/pleroma/web/media_proxy/media_proxy.ex b/lib/pleroma/web/media_proxy/media_proxy.ex
index 902ab1b77..a61726b3e 100644
--- a/lib/pleroma/web/media_proxy/media_proxy.ex
+++ b/lib/pleroma/web/media_proxy/media_proxy.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.MediaProxy do
   @base64_opts [padding: false]
 
diff --git a/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex b/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
index 70921605d..1265d81c5 100644
--- a/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
+++ b/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
   use Pleroma.Web, :controller
 
diff --git a/lib/pleroma/web/oauth/app.ex b/lib/pleroma/web/oauth/app.ex
index b3273bc6e..c18e9da8c 100644
--- a/lib/pleroma/web/oauth/app.ex
+++ b/lib/pleroma/web/oauth/app.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.OAuth.App do
   use Ecto.Schema
   import Ecto.{Changeset}
diff --git a/lib/pleroma/web/oauth/authorization.ex b/lib/pleroma/web/oauth/authorization.ex
index 2cad4550a..7e75d71b3 100644
--- a/lib/pleroma/web/oauth/authorization.ex
+++ b/lib/pleroma/web/oauth/authorization.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.OAuth.Authorization do
   use Ecto.Schema
 
diff --git a/lib/pleroma/web/oauth/fallback_controller.ex b/lib/pleroma/web/oauth/fallback_controller.ex
index 3927cdb64..e1d91dc80 100644
--- a/lib/pleroma/web/oauth/fallback_controller.ex
+++ b/lib/pleroma/web/oauth/fallback_controller.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.OAuth.FallbackController do
   use Pleroma.Web, :controller
   alias Pleroma.Web.OAuth.OAuthController
diff --git a/lib/pleroma/web/oauth/oauth_controller.ex b/lib/pleroma/web/oauth/oauth_controller.ex
index 9a972ee47..41b0f253d 100644
--- a/lib/pleroma/web/oauth/oauth_controller.ex
+++ b/lib/pleroma/web/oauth/oauth_controller.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.OAuth.OAuthController do
   use Pleroma.Web, :controller
 
diff --git a/lib/pleroma/web/oauth/oauth_view.ex b/lib/pleroma/web/oauth/oauth_view.ex
index b3923fcf5..da6f72433 100644
--- a/lib/pleroma/web/oauth/oauth_view.ex
+++ b/lib/pleroma/web/oauth/oauth_view.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.OAuth.OAuthView do
   use Pleroma.Web, :view
   import Phoenix.HTML.Form
diff --git a/lib/pleroma/web/oauth/token.ex b/lib/pleroma/web/oauth/token.ex
index a77d5af35..aa3610bb3 100644
--- a/lib/pleroma/web/oauth/token.ex
+++ b/lib/pleroma/web/oauth/token.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.OAuth.Token do
   use Ecto.Schema
 
diff --git a/lib/pleroma/web/ostatus/activity_representer.ex b/lib/pleroma/web/ostatus/activity_representer.ex
index 537bd9f77..bd05c671b 100644
--- a/lib/pleroma/web/ostatus/activity_representer.ex
+++ b/lib/pleroma/web/ostatus/activity_representer.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.OStatus.ActivityRepresenter do
   alias Pleroma.{Activity, User, Object}
   alias Pleroma.Web.OStatus.UserRepresenter
diff --git a/lib/pleroma/web/ostatus/feed_representer.ex b/lib/pleroma/web/ostatus/feed_representer.ex
index 279672673..2c2157173 100644
--- a/lib/pleroma/web/ostatus/feed_representer.ex
+++ b/lib/pleroma/web/ostatus/feed_representer.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.OStatus.FeedRepresenter do
   alias Pleroma.Web.OStatus
   alias Pleroma.Web.OStatus.{UserRepresenter, ActivityRepresenter}
diff --git a/lib/pleroma/web/ostatus/handlers/delete_handler.ex b/lib/pleroma/web/ostatus/handlers/delete_handler.ex
index 6330d7f64..e7cf4cb54 100644
--- a/lib/pleroma/web/ostatus/handlers/delete_handler.ex
+++ b/lib/pleroma/web/ostatus/handlers/delete_handler.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.OStatus.DeleteHandler do
   require Logger
   alias Pleroma.Web.XML
diff --git a/lib/pleroma/web/ostatus/handlers/follow_handler.ex b/lib/pleroma/web/ostatus/handlers/follow_handler.ex
index 162407e04..aef450935 100644
--- a/lib/pleroma/web/ostatus/handlers/follow_handler.ex
+++ b/lib/pleroma/web/ostatus/handlers/follow_handler.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.OStatus.FollowHandler do
   alias Pleroma.Web.{XML, OStatus}
   alias Pleroma.Web.ActivityPub.ActivityPub
diff --git a/lib/pleroma/web/ostatus/handlers/note_handler.ex b/lib/pleroma/web/ostatus/handlers/note_handler.ex
index 0d4080291..7fd364b45 100644
--- a/lib/pleroma/web/ostatus/handlers/note_handler.ex
+++ b/lib/pleroma/web/ostatus/handlers/note_handler.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.OStatus.NoteHandler do
   require Logger
   alias Pleroma.Web.{XML, OStatus}
diff --git a/lib/pleroma/web/ostatus/handlers/unfollow_handler.ex b/lib/pleroma/web/ostatus/handlers/unfollow_handler.ex
index a115bf4c8..bd86a54c7 100644
--- a/lib/pleroma/web/ostatus/handlers/unfollow_handler.ex
+++ b/lib/pleroma/web/ostatus/handlers/unfollow_handler.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.OStatus.UnfollowHandler do
   alias Pleroma.Web.{XML, OStatus}
   alias Pleroma.Web.ActivityPub.ActivityPub
diff --git a/lib/pleroma/web/ostatus/ostatus.ex b/lib/pleroma/web/ostatus/ostatus.ex
index c6440c20e..cd5493e16 100644
--- a/lib/pleroma/web/ostatus/ostatus.ex
+++ b/lib/pleroma/web/ostatus/ostatus.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.OStatus do
   @httpoison Application.get_env(:pleroma, :httpoison)
 
diff --git a/lib/pleroma/web/ostatus/ostatus_controller.ex b/lib/pleroma/web/ostatus/ostatus_controller.ex
index 6005eadb2..9ad702dd4 100644
--- a/lib/pleroma/web/ostatus/ostatus_controller.ex
+++ b/lib/pleroma/web/ostatus/ostatus_controller.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.OStatus.OStatusController do
   use Pleroma.Web, :controller
 
diff --git a/lib/pleroma/web/ostatus/user_representer.ex b/lib/pleroma/web/ostatus/user_representer.ex
index 2e696506e..ef8371a2c 100644
--- a/lib/pleroma/web/ostatus/user_representer.ex
+++ b/lib/pleroma/web/ostatus/user_representer.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.OStatus.UserRepresenter do
   alias Pleroma.User
 
diff --git a/lib/pleroma/web/push/push.ex b/lib/pleroma/web/push/push.ex
index 477943450..6459d4543 100644
--- a/lib/pleroma/web/push/push.ex
+++ b/lib/pleroma/web/push/push.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.Push do
   use GenServer
 
diff --git a/lib/pleroma/web/push/subscription.ex b/lib/pleroma/web/push/subscription.ex
index 1ad405daf..65d28fee9 100644
--- a/lib/pleroma/web/push/subscription.ex
+++ b/lib/pleroma/web/push/subscription.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.Push.Subscription do
   use Ecto.Schema
   import Ecto.Changeset
diff --git a/lib/pleroma/web/router.ex b/lib/pleroma/web/router.ex
index 2c62cdf2f..7ec0cabb3 100644
--- a/lib/pleroma/web/router.ex
+++ b/lib/pleroma/web/router.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.Router do
   use Pleroma.Web, :router
 
diff --git a/lib/pleroma/web/salmon/salmon.ex b/lib/pleroma/web/salmon/salmon.ex
index b67b1333f..1dc514976 100644
--- a/lib/pleroma/web/salmon/salmon.ex
+++ b/lib/pleroma/web/salmon/salmon.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.Salmon do
   @httpoison Application.get_env(:pleroma, :httpoison)
 
diff --git a/lib/pleroma/web/streamer.ex b/lib/pleroma/web/streamer.ex
index e1eecba4d..05f877438 100644
--- a/lib/pleroma/web/streamer.ex
+++ b/lib/pleroma/web/streamer.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.Streamer do
   use GenServer
   require Logger
diff --git a/lib/pleroma/web/twitter_api/controllers/util_controller.ex b/lib/pleroma/web/twitter_api/controllers/util_controller.ex
index 3baeba619..c872aec2b 100644
--- a/lib/pleroma/web/twitter_api/controllers/util_controller.ex
+++ b/lib/pleroma/web/twitter_api/controllers/util_controller.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.TwitterAPI.UtilController do
   use Pleroma.Web, :controller
   require Logger
diff --git a/lib/pleroma/web/twitter_api/representers/activity_representer.ex b/lib/pleroma/web/twitter_api/representers/activity_representer.ex
index d9dd352be..489a55b6c 100644
--- a/lib/pleroma/web/twitter_api/representers/activity_representer.ex
+++ b/lib/pleroma/web/twitter_api/representers/activity_representer.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 # THIS MODULE IS DEPRECATED! DON'T USE IT!
 # USE THE Pleroma.Web.TwitterAPI.Views.ActivityView MODULE!
 defmodule Pleroma.Web.TwitterAPI.Representers.ActivityRepresenter do
diff --git a/lib/pleroma/web/twitter_api/representers/base_representer.ex b/lib/pleroma/web/twitter_api/representers/base_representer.ex
index f32a21d47..28a59205d 100644
--- a/lib/pleroma/web/twitter_api/representers/base_representer.ex
+++ b/lib/pleroma/web/twitter_api/representers/base_representer.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.TwitterAPI.Representers.BaseRepresenter do
   defmacro __using__(_opts) do
     quote do
diff --git a/lib/pleroma/web/twitter_api/representers/object_representer.ex b/lib/pleroma/web/twitter_api/representers/object_representer.ex
index d5291a397..2f33e7af4 100644
--- a/lib/pleroma/web/twitter_api/representers/object_representer.ex
+++ b/lib/pleroma/web/twitter_api/representers/object_representer.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.TwitterAPI.Representers.ObjectRepresenter do
   use Pleroma.Web.TwitterAPI.Representers.BaseRepresenter
   alias Pleroma.Object
diff --git a/lib/pleroma/web/twitter_api/twitter_api.ex b/lib/pleroma/web/twitter_api/twitter_api.ex
index d816dc3bc..e2b1e0a8e 100644
--- a/lib/pleroma/web/twitter_api/twitter_api.ex
+++ b/lib/pleroma/web/twitter_api/twitter_api.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
   alias Pleroma.{UserInviteToken, User, Activity, Repo, Object}
   alias Pleroma.{UserEmail, Mailer}
diff --git a/lib/pleroma/web/twitter_api/twitter_api_controller.ex b/lib/pleroma/web/twitter_api/twitter_api_controller.ex
index c644681b0..c25cb0876 100644
--- a/lib/pleroma/web/twitter_api/twitter_api_controller.ex
+++ b/lib/pleroma/web/twitter_api/twitter_api_controller.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.TwitterAPI.Controller do
   use Pleroma.Web, :controller
 
diff --git a/lib/pleroma/web/twitter_api/views/activity_view.ex b/lib/pleroma/web/twitter_api/views/activity_view.ex
index df93ceb6c..592cf622f 100644
--- a/lib/pleroma/web/twitter_api/views/activity_view.ex
+++ b/lib/pleroma/web/twitter_api/views/activity_view.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.TwitterAPI.ActivityView do
   use Pleroma.Web, :view
   alias Pleroma.Web.CommonAPI.Utils
diff --git a/lib/pleroma/web/twitter_api/views/notification_view.ex b/lib/pleroma/web/twitter_api/views/notification_view.ex
index 9eeb3afdc..d889038a2 100644
--- a/lib/pleroma/web/twitter_api/views/notification_view.ex
+++ b/lib/pleroma/web/twitter_api/views/notification_view.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.TwitterAPI.NotificationView do
   use Pleroma.Web, :view
   alias Pleroma.{Notification, User}
diff --git a/lib/pleroma/web/twitter_api/views/user_view.ex b/lib/pleroma/web/twitter_api/views/user_view.ex
index 45b893eda..6e489624f 100644
--- a/lib/pleroma/web/twitter_api/views/user_view.ex
+++ b/lib/pleroma/web/twitter_api/views/user_view.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.TwitterAPI.UserView do
   use Pleroma.Web, :view
   alias Pleroma.User
diff --git a/lib/pleroma/web/twitter_api/views/util_view.ex b/lib/pleroma/web/twitter_api/views/util_view.ex
index 71b04e6cc..aa5f842ac 100644
--- a/lib/pleroma/web/twitter_api/views/util_view.ex
+++ b/lib/pleroma/web/twitter_api/views/util_view.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.TwitterAPI.UtilView do
   use Pleroma.Web, :view
   import Phoenix.HTML.Form
diff --git a/lib/pleroma/web/views/error_helpers.ex b/lib/pleroma/web/views/error_helpers.ex
index 3981b270d..df1e0d437 100644
--- a/lib/pleroma/web/views/error_helpers.ex
+++ b/lib/pleroma/web/views/error_helpers.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.ErrorHelpers do
   @moduledoc """
   Conveniences for translating and building error messages.
diff --git a/lib/pleroma/web/views/error_view.ex b/lib/pleroma/web/views/error_view.ex
index 7106031ae..d8158edb4 100644
--- a/lib/pleroma/web/views/error_view.ex
+++ b/lib/pleroma/web/views/error_view.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.ErrorView do
   use Pleroma.Web, :view
 
diff --git a/lib/pleroma/web/views/layout_view.ex b/lib/pleroma/web/views/layout_view.ex
index d4d4c3bd3..ba94b9def 100644
--- a/lib/pleroma/web/views/layout_view.ex
+++ b/lib/pleroma/web/views/layout_view.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.LayoutView do
   use Pleroma.Web, :view
 end
diff --git a/lib/pleroma/web/web.ex b/lib/pleroma/web/web.ex
index b82242a78..1aa86f645 100644
--- a/lib/pleroma/web/web.ex
+++ b/lib/pleroma/web/web.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web do
   @moduledoc """
   A module that keeps using definitions for controllers,
diff --git a/lib/pleroma/web/web_finger/web_finger.ex b/lib/pleroma/web/web_finger/web_finger.ex
index 47c733da2..3cc90d5dd 100644
--- a/lib/pleroma/web/web_finger/web_finger.ex
+++ b/lib/pleroma/web/web_finger/web_finger.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.WebFinger do
   @httpoison Application.get_env(:pleroma, :httpoison)
 
diff --git a/lib/pleroma/web/web_finger/web_finger_controller.ex b/lib/pleroma/web/web_finger/web_finger_controller.ex
index 8c60300a4..66d5a880d 100644
--- a/lib/pleroma/web/web_finger/web_finger_controller.ex
+++ b/lib/pleroma/web/web_finger/web_finger_controller.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.WebFinger.WebFingerController do
   use Pleroma.Web, :controller
 
diff --git a/lib/pleroma/web/websub/websub.ex b/lib/pleroma/web/websub/websub.ex
index 8cb07006f..628ec38c5 100644
--- a/lib/pleroma/web/websub/websub.ex
+++ b/lib/pleroma/web/websub/websub.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.Websub do
   alias Ecto.Changeset
   alias Pleroma.Repo
diff --git a/lib/pleroma/web/websub/websub_client_subscription.ex b/lib/pleroma/web/websub/websub_client_subscription.ex
index 8cea02939..2f511cd5b 100644
--- a/lib/pleroma/web/websub/websub_client_subscription.ex
+++ b/lib/pleroma/web/websub/websub_client_subscription.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.Websub.WebsubClientSubscription do
   use Ecto.Schema
   alias Pleroma.User
diff --git a/lib/pleroma/web/websub/websub_controller.ex b/lib/pleroma/web/websub/websub_controller.ex
index c1934ba92..c38a03808 100644
--- a/lib/pleroma/web/websub/websub_controller.ex
+++ b/lib/pleroma/web/websub/websub_controller.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.Websub.WebsubController do
   use Pleroma.Web, :controller
   alias Pleroma.{Repo, User}
diff --git a/lib/pleroma/web/websub/websub_server_subscription.ex b/lib/pleroma/web/websub/websub_server_subscription.ex
index 0e5248a73..81a2d7f07 100644
--- a/lib/pleroma/web/websub/websub_server_subscription.ex
+++ b/lib/pleroma/web/websub/websub_server_subscription.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.Websub.WebsubServerSubscription do
   use Ecto.Schema
 
diff --git a/lib/pleroma/web/xml/xml.ex b/lib/pleroma/web/xml/xml.ex
index b3ccf4a55..fa6dcd424 100644
--- a/lib/pleroma/web/xml/xml.ex
+++ b/lib/pleroma/web/xml/xml.ex
@@ -1,3 +1,7 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.XML do
   require Logger