From d23f3e3cf3c9a0051532493c60dbd9a7557bae81 Mon Sep 17 00:00:00 2001
From: Roger Braun <roger@rogerbraun.net>
Date: Tue, 18 Apr 2017 18:41:51 +0200
Subject: [PATCH 01/16] Add webfinger and basic feed support.

---
 lib/pleroma/web/ostatus/feed_representer.ex   | 26 +++++++++++++
 lib/pleroma/web/ostatus/ostatus.ex            | 14 +++++++
 lib/pleroma/web/ostatus/ostatus_controller.ex | 26 +++++++++++++
 lib/pleroma/web/ostatus/user_representer.ex   | 21 +++++-----
 lib/pleroma/web/router.ex                     | 10 +++++
 lib/pleroma/web/web_finger/web_finger.ex      |  3 +-
 test/web/ostatus/feed_representer_test.exs    | 39 +++++++++++++++++++
 test/web/ostatus/ostatus_controller_test.exs  | 15 +++++++
 test/web/ostatus/user_representer_test.exs    | 23 ++++++++---
 9 files changed, 160 insertions(+), 17 deletions(-)
 create mode 100644 lib/pleroma/web/ostatus/feed_representer.ex
 create mode 100644 lib/pleroma/web/ostatus/ostatus.ex
 create mode 100644 lib/pleroma/web/ostatus/ostatus_controller.ex
 create mode 100644 test/web/ostatus/feed_representer_test.exs
 create mode 100644 test/web/ostatus/ostatus_controller_test.exs

diff --git a/lib/pleroma/web/ostatus/feed_representer.ex b/lib/pleroma/web/ostatus/feed_representer.ex
new file mode 100644
index 000000000..cb76022fe
--- /dev/null
+++ b/lib/pleroma/web/ostatus/feed_representer.ex
@@ -0,0 +1,26 @@
+defmodule Pleroma.Web.OStatus.FeedRepresenter do
+  alias Pleroma.Web.OStatus
+  alias Pleroma.Web.OStatus.UserRepresenter
+
+  def to_simple_form(user, activities, users) do
+    most_recent_update = List.first(activities).updated_at
+    |> NaiveDateTime.to_iso8601
+
+    h = fn(str) -> [to_charlist(str)] end
+
+    entries = []
+    [{
+      :feed, [
+        xmlns: 'http://www.w3.org/2005/Atom',
+        "xmlns:activity": 'http://activitystrea.ms/spec/1.0/'
+      ], [
+        {:id, h.(OStatus.feed_path(user))},
+        {:title, ['#{user.nickname}\'s timeline']},
+        {:updated, h.(most_recent_update)},
+        {:entries, []},
+        {:link, [rel: 'hub', href: h.(OStatus.pubsub_path)], []},
+        {:author, UserRepresenter.to_simple_form(user)}
+      ]
+    }]
+  end
+end
diff --git a/lib/pleroma/web/ostatus/ostatus.ex b/lib/pleroma/web/ostatus/ostatus.ex
new file mode 100644
index 000000000..9fcbe6cb0
--- /dev/null
+++ b/lib/pleroma/web/ostatus/ostatus.ex
@@ -0,0 +1,14 @@
+defmodule Pleroma.Web.OStatus do
+  alias Pleroma.Web
+
+  def feed_path(user) do
+    "#{user.ap_id}/feed.atom"
+  end
+
+  def pubsub_path() do
+    "#{Web.base_url}/push/hub"
+  end
+
+  def user_path(user) do
+  end
+end
diff --git a/lib/pleroma/web/ostatus/ostatus_controller.ex b/lib/pleroma/web/ostatus/ostatus_controller.ex
new file mode 100644
index 000000000..ff6d7301a
--- /dev/null
+++ b/lib/pleroma/web/ostatus/ostatus_controller.ex
@@ -0,0 +1,26 @@
+defmodule Pleroma.Web.OStatus.OStatusController do
+  use Pleroma.Web, :controller
+
+  alias Pleroma.{User, Activity}
+  alias Pleroma.Web.OStatus.FeedRepresenter
+  alias Pleroma.Repo
+  import Ecto.Query
+
+  def feed(conn, %{"nickname" => nickname}) do
+    user = User.get_cached_by_nickname(nickname)
+    query = from activity in Activity,
+      where: fragment("? @> ?", activity.data, ^%{actor: user.ap_id}),
+      limit: 20,
+      order_by: [desc: :inserted_at]
+
+    activities = query
+    |> Repo.all
+
+    response = FeedRepresenter.to_simple_form(user, activities, [user])
+    |> :xmerl.export_simple(:xmerl_xml)
+
+    conn
+    |> put_resp_content_type("application/atom+xml")
+    |> send_resp(200, response)
+  end
+end
diff --git a/lib/pleroma/web/ostatus/user_representer.ex b/lib/pleroma/web/ostatus/user_representer.ex
index 66fc6e053..e7ee4cfeb 100644
--- a/lib/pleroma/web/ostatus/user_representer.ex
+++ b/lib/pleroma/web/ostatus/user_representer.ex
@@ -1,14 +1,15 @@
 defmodule Pleroma.Web.OStatus.UserRepresenter do
   alias Pleroma.User
-  def to_tuple(user, wrapper \\ :author) do
-    {
-      wrapper, [
-        { :id, user.ap_id },
-        { :"activity:object", "http://activitystrea.ms/schema/1.0/person" },
-        { :uri, user.ap_id },
-        { :name, user.nickname },
-        { :link, %{rel: "avatar", href: User.avatar_url(user)}}
-      ]
-    }
+  def to_simple_form(user) do
+    ap_id = to_charlist(user.ap_id)
+    nickname = to_charlist(user.nickname)
+    avatar_url = to_charlist(User.avatar_url(user))
+    [
+      { :id, [ap_id] },
+      { :"activity:object", ['http://activitystrea.ms/schema/1.0/person'] },
+      { :uri, [ap_id] },
+      { :name, [nickname] },
+      { :link, [rel: 'avatar', href: avatar_url], []}
+    ]
   end
 end
diff --git a/lib/pleroma/web/router.ex b/lib/pleroma/web/router.ex
index 99d1f69c2..cc1f0e165 100644
--- a/lib/pleroma/web/router.ex
+++ b/lib/pleroma/web/router.ex
@@ -54,6 +54,16 @@ def user_fetcher(username) do
     post "/qvitter/update_avatar", TwitterAPI.Controller, :update_avatar
   end
 
+  pipeline :ostatus do
+    plug :accepts, ["xml", "atom"]
+  end
+
+  scope "/users", Pleroma.Web do
+    pipe_through :ostatus
+
+    get "/:nickname/feed", OStatus.OStatusController, :feed
+  end
+
   scope "/.well-known", Pleroma.Web do
     pipe_through :well_known
 
diff --git a/lib/pleroma/web/web_finger/web_finger.ex b/lib/pleroma/web/web_finger/web_finger.ex
index 258ff7671..eb540e92a 100644
--- a/lib/pleroma/web/web_finger/web_finger.ex
+++ b/lib/pleroma/web/web_finger/web_finger.ex
@@ -1,6 +1,7 @@
 defmodule Pleroma.Web.WebFinger do
   alias Pleroma.XmlBuilder
   alias Pleroma.User
+  alias Pleroma.Web.OStatus
 
   def host_meta() do
     base_url  = Pleroma.Web.base_url
@@ -30,7 +31,7 @@ def represent_user(user) do
       [
         {:Subject, "acct:#{user.nickname}@#{Pleroma.Web.host}"},
         {:Alias, user.ap_id},
-        {:Link, %{rel: "http://schemas.google.com/g/2010#updates-from", type: "application/atom+xml", href: "#{user.ap_id}.atom"}}
+        {:Link, %{rel: "http://schemas.google.com/g/2010#updates-from", type: "application/atom+xml", href: OStatus.feed_path(user)}}
       ]
     }
     |> XmlBuilder.to_doc
diff --git a/test/web/ostatus/feed_representer_test.exs b/test/web/ostatus/feed_representer_test.exs
new file mode 100644
index 000000000..e252eca9f
--- /dev/null
+++ b/test/web/ostatus/feed_representer_test.exs
@@ -0,0 +1,39 @@
+defmodule Pleroma.Web.OStatus.FeedRepresenterTest do
+  use Pleroma.DataCase
+  import Pleroma.Factory
+  alias Pleroma.User
+  alias Pleroma.Web.OStatus.{FeedRepresenter, UserRepresenter}
+  alias Pleroma.Web.OStatus
+
+  test "returns a feed of the last 20 items of the user" do
+    note_activity = insert(:note_activity)
+    user = User.get_cached_by_ap_id(note_activity.data["actor"])
+
+    tuple = FeedRepresenter.to_simple_form(user, [note_activity], [user])
+
+    most_recent_update = note_activity.updated_at
+    |> NaiveDateTime.to_iso8601
+
+    res = :xmerl.export_simple_content(tuple, :xmerl_xml) |> IO.iodata_to_binary
+    user_xml = UserRepresenter.to_simple_form(user)
+    |> :xmerl.export_simple_content(:xmerl_xml)
+
+    expected = """
+    <feed xmlns="http://www.w3.org/2005/Atom" xmlns:activity="http://activitystrea.ms/spec/1.0/">
+      <id>#{OStatus.feed_path(user)}</id>
+      <title>#{user.nickname}'s timeline</title>
+      <updated>#{most_recent_update}</updated>
+      <entries />
+      <link rel="hub" href="#{OStatus.pubsub_path}" />
+      <author>
+        #{user_xml}
+      </author>
+    </feed>
+    """
+    assert clean(res) == clean(expected)
+  end
+
+  defp clean(string) do
+    String.replace(string, ~r/\s/, "")
+  end
+end
diff --git a/test/web/ostatus/ostatus_controller_test.exs b/test/web/ostatus/ostatus_controller_test.exs
new file mode 100644
index 000000000..229cd9b1e
--- /dev/null
+++ b/test/web/ostatus/ostatus_controller_test.exs
@@ -0,0 +1,15 @@
+defmodule Pleroma.Web.OStatus.OStatusControllerTest do
+  use Pleroma.Web.ConnCase
+  import Pleroma.Factory
+  alias Pleroma.User
+
+  test "gets a feed", %{conn: conn} do
+    note_activity = insert(:note_activity)
+    user = User.get_cached_by_ap_id(note_activity.data["actor"])
+
+    conn = conn
+    |> get("/users/#{user.nickname}/feed.atom")
+
+    assert response(conn, 200)
+  end
+end
diff --git a/test/web/ostatus/user_representer_test.exs b/test/web/ostatus/user_representer_test.exs
index 02a4b5b14..a401a56da 100644
--- a/test/web/ostatus/user_representer_test.exs
+++ b/test/web/ostatus/user_representer_test.exs
@@ -3,15 +3,26 @@ defmodule Pleroma.Web.OStatus.UserRepresenterTest do
   alias Pleroma.Web.OStatus.UserRepresenter
 
   import Pleroma.Factory
+  alias Pleroma.User
 
   test "returns a user with id, uri, name and link" do
     user = build(:user)
-    tuple = UserRepresenter.to_tuple(user)
-    {:author, author} = tuple
+    tuple = UserRepresenter.to_simple_form(user)
 
-    [:id, :uri, :name, :link]
-    |> Enum.each(fn (tag) ->
-      assert Enum.find(author, fn(e) -> tag == elem(e, 0) end)
-    end)
+    res = :xmerl.export_simple_content(tuple, :xmerl_xml) |> IO.iodata_to_binary
+
+    expected = """
+    <id>#{user.ap_id}</id>
+    <activity:object>http://activitystrea.ms/schema/1.0/person</activity:object>
+    <uri>#{user.ap_id}</uri>
+    <name>#{user.nickname}</name>
+    <link rel="avatar" href="#{User.avatar_url(user)}" />
+    """
+
+    assert clean(res) == clean(expected)
+  end
+
+  defp clean(string) do
+    String.replace(string, ~r/\s/, "")
   end
 end

From 9167a2ebe30f3835f2e9139443dc60f8f0c44563 Mon Sep 17 00:00:00 2001
From: Roger Braun <roger@rogerbraun.net>
Date: Wed, 19 Apr 2017 15:25:18 +0200
Subject: [PATCH 02/16] Send frontend through phoenix.

---
 lib/pleroma/web/endpoint.ex |  3 +++
 lib/pleroma/web/router.ex   | 10 ++++++++++
 2 files changed, 13 insertions(+)

diff --git a/lib/pleroma/web/endpoint.ex b/lib/pleroma/web/endpoint.ex
index 6af42a685..45a3a345d 100644
--- a/lib/pleroma/web/endpoint.ex
+++ b/lib/pleroma/web/endpoint.ex
@@ -9,6 +9,9 @@ defmodule Pleroma.Web.Endpoint do
   # when deploying your static files in production.
   plug Plug.Static,
     at: "/media", from: "uploads", gzip: false
+  plug Plug.Static,
+    at: "/", from: :pleroma,
+    only: ~w(index.html static)
 
   # Code reloading can be explicitly enabled under the
   # :code_reloader configuration of your endpoint.
diff --git a/lib/pleroma/web/router.ex b/lib/pleroma/web/router.ex
index cc1f0e165..05d497aa8 100644
--- a/lib/pleroma/web/router.ex
+++ b/lib/pleroma/web/router.ex
@@ -70,4 +70,14 @@ def user_fetcher(username) do
     get "/host-meta", WebFinger.WebFingerController, :host_meta
     get "/webfinger", WebFinger.WebFingerController, :webfinger
   end
+
+  scope "/", Fallback do
+    get "/*path", RedirectController, :redirector
+  end
+
+end
+
+defmodule Fallback.RedirectController do
+  use Pleroma.Web, :controller
+  def redirector(conn, _params), do: send_file(conn, 200, "priv/static/index.html")
 end

From cc330421fd789f002d14e19692c4fbe75c0df4f2 Mon Sep 17 00:00:00 2001
From: Roger Braun <roger@rogerbraun.net>
Date: Thu, 20 Apr 2017 10:16:06 +0200
Subject: [PATCH 03/16] Better activities in ostatus.

---
 .../web/ostatus/activity_representer.ex       | 20 ++++++++++
 lib/pleroma/web/ostatus/feed_representer.ex   | 10 +++--
 lib/pleroma/web/ostatus/ostatus_controller.ex |  4 ++
 lib/pleroma/web/router.ex                     |  5 ++-
 .../web/websub/websub_server_subscription.ex  | 11 ++++++
 ...143_create_webssub_server_subscription.exs | 15 ++++++++
 .../web/ostatus/activity_representer_test.exs | 38 +++++++++++++++++++
 test/web/ostatus/feed_representer_test.exs    |  9 ++++-
 8 files changed, 104 insertions(+), 8 deletions(-)
 create mode 100644 lib/pleroma/web/ostatus/activity_representer.ex
 create mode 100644 lib/pleroma/web/websub/websub_server_subscription.ex
 create mode 100644 priv/repo/migrations/20170418200143_create_webssub_server_subscription.exs
 create mode 100644 test/web/ostatus/activity_representer_test.exs

diff --git a/lib/pleroma/web/ostatus/activity_representer.ex b/lib/pleroma/web/ostatus/activity_representer.ex
new file mode 100644
index 000000000..558c85df4
--- /dev/null
+++ b/lib/pleroma/web/ostatus/activity_representer.ex
@@ -0,0 +1,20 @@
+defmodule Pleroma.Web.OStatus.ActivityRepresenter do
+  def to_simple_form(activity, user) do
+    h = fn(str) -> [to_charlist(str)] end
+
+    updated_at = activity.updated_at
+    |> NaiveDateTime.to_iso8601
+    inserted_at = activity.inserted_at
+    |> NaiveDateTime.to_iso8601
+
+    [
+      {:"activity:object-type", ['http://activitystrea.ms/schema/1.0/note']},
+      {:"activity:verb", ['http://activitystrea.ms/schema/1.0/post']},
+      {:id, h.(activity.data["id"])},
+      {:title, ['New note by #{user.nickname}']},
+      {:content, [type: 'html'], h.(activity.data["object"]["content"])},
+      {:published, h.(inserted_at)},
+      {:updated, h.(updated_at)}
+    ]
+  end
+end
diff --git a/lib/pleroma/web/ostatus/feed_representer.ex b/lib/pleroma/web/ostatus/feed_representer.ex
index cb76022fe..def684405 100644
--- a/lib/pleroma/web/ostatus/feed_representer.ex
+++ b/lib/pleroma/web/ostatus/feed_representer.ex
@@ -1,6 +1,6 @@
 defmodule Pleroma.Web.OStatus.FeedRepresenter do
   alias Pleroma.Web.OStatus
-  alias Pleroma.Web.OStatus.UserRepresenter
+  alias Pleroma.Web.OStatus.{UserRepresenter, ActivityRepresenter}
 
   def to_simple_form(user, activities, users) do
     most_recent_update = List.first(activities).updated_at
@@ -8,7 +8,10 @@ def to_simple_form(user, activities, users) do
 
     h = fn(str) -> [to_charlist(str)] end
 
-    entries = []
+    entries = Enum.map(activities, fn(activity) ->
+      {:entry, ActivityRepresenter.to_simple_form(activity, user)}
+    end)
+
     [{
       :feed, [
         xmlns: 'http://www.w3.org/2005/Atom',
@@ -17,10 +20,9 @@ def to_simple_form(user, activities, users) do
         {:id, h.(OStatus.feed_path(user))},
         {:title, ['#{user.nickname}\'s timeline']},
         {:updated, h.(most_recent_update)},
-        {:entries, []},
         {:link, [rel: 'hub', href: h.(OStatus.pubsub_path)], []},
         {:author, UserRepresenter.to_simple_form(user)}
-      ]
+      ] ++ entries
     }]
   end
 end
diff --git a/lib/pleroma/web/ostatus/ostatus_controller.ex b/lib/pleroma/web/ostatus/ostatus_controller.ex
index ff6d7301a..4db4a55e6 100644
--- a/lib/pleroma/web/ostatus/ostatus_controller.ex
+++ b/lib/pleroma/web/ostatus/ostatus_controller.ex
@@ -23,4 +23,8 @@ def feed(conn, %{"nickname" => nickname}) do
     |> put_resp_content_type("application/atom+xml")
     |> send_resp(200, response)
   end
+
+  def temp(conn, params) do
+    IO.inspect(params)
+  end
 end
diff --git a/lib/pleroma/web/router.ex b/lib/pleroma/web/router.ex
index cc1f0e165..e6d000881 100644
--- a/lib/pleroma/web/router.ex
+++ b/lib/pleroma/web/router.ex
@@ -58,10 +58,11 @@ def user_fetcher(username) do
     plug :accepts, ["xml", "atom"]
   end
 
-  scope "/users", Pleroma.Web do
+  scope "/", Pleroma.Web do
     pipe_through :ostatus
 
-    get "/:nickname/feed", OStatus.OStatusController, :feed
+    get "/users/:nickname/feed", OStatus.OStatusController, :feed
+    post "/push/hub", OStatus.OStatusController, :temp
   end
 
   scope "/.well-known", Pleroma.Web do
diff --git a/lib/pleroma/web/websub/websub_server_subscription.ex b/lib/pleroma/web/websub/websub_server_subscription.ex
new file mode 100644
index 000000000..2562239ad
--- /dev/null
+++ b/lib/pleroma/web/websub/websub_server_subscription.ex
@@ -0,0 +1,11 @@
+defmodule Pleroma.Web.Websub.WebsubServerSubscription do
+  use Ecto.Schema
+
+  schema "websub_server_subscriptions" do
+    field :topic, :string
+    field :callback, :string
+    field :secret, :string
+    field :valid_until, :naive_datetime
+    field :state, :string
+  end
+end
diff --git a/priv/repo/migrations/20170418200143_create_webssub_server_subscription.exs b/priv/repo/migrations/20170418200143_create_webssub_server_subscription.exs
new file mode 100644
index 000000000..fe2fa2304
--- /dev/null
+++ b/priv/repo/migrations/20170418200143_create_webssub_server_subscription.exs
@@ -0,0 +1,15 @@
+defmodule Pleroma.Repo.Migrations.CreateWebsubServerSubscription do
+  use Ecto.Migration
+
+  def change do
+    create table(:websub_server_subscriptions) do
+      add :topic, :string
+      add :callback, :string
+      add :secret, :string
+      add :valid_until, :naive_datetime
+      add :state, :string
+
+      timestamps()
+    end
+  end
+end
diff --git a/test/web/ostatus/activity_representer_test.exs b/test/web/ostatus/activity_representer_test.exs
new file mode 100644
index 000000000..16a9d3b00
--- /dev/null
+++ b/test/web/ostatus/activity_representer_test.exs
@@ -0,0 +1,38 @@
+defmodule Pleroma.Web.OStatus.ActivityRepresenterTest do
+  use Pleroma.DataCase
+
+  alias Pleroma.Web.OStatus.ActivityRepresenter
+  alias Pleroma.User
+
+  import Pleroma.Factory
+
+  test "a note activity" do
+    note_activity = insert(:note_activity)
+    updated_at = note_activity.updated_at
+    |> NaiveDateTime.to_iso8601
+    inserted_at = note_activity.inserted_at
+    |> NaiveDateTime.to_iso8601
+
+    user = User.get_cached_by_ap_id(note_activity.data["actor"])
+
+    expected = """
+    <activity:object-type>http://activitystrea.ms/schema/1.0/note</activity:object-type>
+    <activity:verb>http://activitystrea.ms/schema/1.0/post</activity:verb>
+    <id>#{note_activity.data["id"]}</id>
+    <title>New note by #{user.nickname}</title>
+    <content type="html">#{note_activity.data["object"]["content"]}</content>
+    <published>#{inserted_at}</published>
+    <updated>#{updated_at}</updated>
+    """
+
+    tuple = ActivityRepresenter.to_simple_form(note_activity, user)
+
+    res = :xmerl.export_simple_content(tuple, :xmerl_xml) |> IO.iodata_to_binary
+
+    assert clean(res) == clean(expected)
+  end
+
+  defp clean(string) do
+    String.replace(string, ~r/\s/, "")
+  end
+end
diff --git a/test/web/ostatus/feed_representer_test.exs b/test/web/ostatus/feed_representer_test.exs
index e252eca9f..dddc63ebf 100644
--- a/test/web/ostatus/feed_representer_test.exs
+++ b/test/web/ostatus/feed_representer_test.exs
@@ -2,7 +2,7 @@ defmodule Pleroma.Web.OStatus.FeedRepresenterTest do
   use Pleroma.DataCase
   import Pleroma.Factory
   alias Pleroma.User
-  alias Pleroma.Web.OStatus.{FeedRepresenter, UserRepresenter}
+  alias Pleroma.Web.OStatus.{FeedRepresenter, UserRepresenter, ActivityRepresenter}
   alias Pleroma.Web.OStatus
 
   test "returns a feed of the last 20 items of the user" do
@@ -18,16 +18,21 @@ test "returns a feed of the last 20 items of the user" do
     user_xml = UserRepresenter.to_simple_form(user)
     |> :xmerl.export_simple_content(:xmerl_xml)
 
+    entry_xml = ActivityRepresenter.to_simple_form(note_activity, user)
+    |> :xmerl.export_simple_content(:xmerl_xml)
+
     expected = """
     <feed xmlns="http://www.w3.org/2005/Atom" xmlns:activity="http://activitystrea.ms/spec/1.0/">
       <id>#{OStatus.feed_path(user)}</id>
       <title>#{user.nickname}'s timeline</title>
       <updated>#{most_recent_update}</updated>
-      <entries />
       <link rel="hub" href="#{OStatus.pubsub_path}" />
       <author>
         #{user_xml}
       </author>
+      <entry>
+        #{entry_xml}
+      </entry>
     </feed>
     """
     assert clean(res) == clean(expected)

From 1b9cc721a0d49d786b4864c2b8aceaf49b9ff088 Mon Sep 17 00:00:00 2001
From: Roger Braun <roger@rogerbraun.net>
Date: Thu, 20 Apr 2017 17:47:33 +0200
Subject: [PATCH 04/16] Websub controller beginnings.

---
 lib/pleroma/web/ostatus/feed_representer.ex   |  2 +-
 lib/pleroma/web/ostatus/ostatus.ex            |  4 +-
 lib/pleroma/web/router.ex                     |  2 +-
 lib/pleroma/web/websub/websub_controller.ex   | 48 +++++++++++++++++++
 .../web/websub/websub_server_subscription.ex  |  2 +
 test/web/ostatus/feed_representer_test.exs    |  2 +-
 test/web/websub/websub_controller_test.exs    | 30 ++++++++++++
 7 files changed, 85 insertions(+), 5 deletions(-)
 create mode 100644 lib/pleroma/web/websub/websub_controller.ex
 create mode 100644 test/web/websub/websub_controller_test.exs

diff --git a/lib/pleroma/web/ostatus/feed_representer.ex b/lib/pleroma/web/ostatus/feed_representer.ex
index def684405..1576b4710 100644
--- a/lib/pleroma/web/ostatus/feed_representer.ex
+++ b/lib/pleroma/web/ostatus/feed_representer.ex
@@ -20,7 +20,7 @@ def to_simple_form(user, activities, users) do
         {:id, h.(OStatus.feed_path(user))},
         {:title, ['#{user.nickname}\'s timeline']},
         {:updated, h.(most_recent_update)},
-        {:link, [rel: 'hub', href: h.(OStatus.pubsub_path)], []},
+        {:link, [rel: 'hub', href: h.(OStatus.pubsub_path(user))], []},
         {:author, UserRepresenter.to_simple_form(user)}
       ] ++ entries
     }]
diff --git a/lib/pleroma/web/ostatus/ostatus.ex b/lib/pleroma/web/ostatus/ostatus.ex
index 9fcbe6cb0..d21b9078f 100644
--- a/lib/pleroma/web/ostatus/ostatus.ex
+++ b/lib/pleroma/web/ostatus/ostatus.ex
@@ -5,8 +5,8 @@ def feed_path(user) do
     "#{user.ap_id}/feed.atom"
   end
 
-  def pubsub_path() do
-    "#{Web.base_url}/push/hub"
+  def pubsub_path(user) do
+    "#{Web.base_url}/push/hub/#{user.nickname}"
   end
 
   def user_path(user) do
diff --git a/lib/pleroma/web/router.ex b/lib/pleroma/web/router.ex
index 0264d8d3f..33e395218 100644
--- a/lib/pleroma/web/router.ex
+++ b/lib/pleroma/web/router.ex
@@ -62,7 +62,7 @@ def user_fetcher(username) do
     pipe_through :ostatus
 
     get "/users/:nickname/feed", OStatus.OStatusController, :feed
-    post "/push/hub", OStatus.OStatusController, :temp
+    post "/push/hub/:nickname", Websub.WebsubController, :websub_subscription_request
   end
 
   scope "/.well-known", Pleroma.Web do
diff --git a/lib/pleroma/web/websub/websub_controller.ex b/lib/pleroma/web/websub/websub_controller.ex
new file mode 100644
index 000000000..09305c337
--- /dev/null
+++ b/lib/pleroma/web/websub/websub_controller.ex
@@ -0,0 +1,48 @@
+defmodule Pleroma.Web.Websub.WebsubController do
+  use Pleroma.Web, :controller
+  alias Pleroma.Web.Websub.WebsubServerSubscription
+  alias Pleroma.{Repo, User}
+  alias Pleroma.Web.OStatus
+  def websub_subscription_request(conn, %{"nickname" => nickname} = params) do
+    user = User.get_cached_by_nickname(nickname)
+
+    with {:ok, topic} <- valid_topic(params, user),
+         {:ok, lease_time} <- lease_time(params),
+         secret <- params["hub.secret"]
+    do
+      data = %{
+        state: "requested",
+        topic: topic,
+        secret: secret
+      }
+
+      change = Ecto.Changeset.change(%WebsubServerSubscription{}, data)
+      websub = Repo.insert!(change)
+
+      change = Ecto.Changeset.change(websub, %{valid_until: NaiveDateTime.add(websub.inserted_at, lease_time)})
+      websub = Repo.update!(change)
+
+      conn
+      |> send_resp(202, "Accepted")
+    else {:error, reason} ->
+      conn
+      |> send_resp(500, reason)
+    end
+  end
+
+  defp lease_time(%{"hub.lease_seconds" => lease_seconds}) do
+    {:ok, lease_seconds}
+  end
+
+  defp lease_time(_) do
+    {:ok, 60 * 60 * 24 * 3} # three days
+  end
+
+  defp valid_topic(%{"hub.topic" => topic}, user) do
+    if topic == OStatus.feed_path(user) do
+      {:ok, topic}
+    else
+      {:error, "Wrong topic requested, expected #{OStatus.feed_path(user)}, got #{topic}"}
+    end
+  end
+end
diff --git a/lib/pleroma/web/websub/websub_server_subscription.ex b/lib/pleroma/web/websub/websub_server_subscription.ex
index 2562239ad..a29dd5860 100644
--- a/lib/pleroma/web/websub/websub_server_subscription.ex
+++ b/lib/pleroma/web/websub/websub_server_subscription.ex
@@ -7,5 +7,7 @@ defmodule Pleroma.Web.Websub.WebsubServerSubscription do
     field :secret, :string
     field :valid_until, :naive_datetime
     field :state, :string
+
+    timestamps()
   end
 end
diff --git a/test/web/ostatus/feed_representer_test.exs b/test/web/ostatus/feed_representer_test.exs
index dddc63ebf..3d8eaac6e 100644
--- a/test/web/ostatus/feed_representer_test.exs
+++ b/test/web/ostatus/feed_representer_test.exs
@@ -26,7 +26,7 @@ test "returns a feed of the last 20 items of the user" do
       <id>#{OStatus.feed_path(user)}</id>
       <title>#{user.nickname}'s timeline</title>
       <updated>#{most_recent_update}</updated>
-      <link rel="hub" href="#{OStatus.pubsub_path}" />
+      <link rel="hub" href="#{OStatus.pubsub_path(user)}" />
       <author>
         #{user_xml}
       </author>
diff --git a/test/web/websub/websub_controller_test.exs b/test/web/websub/websub_controller_test.exs
new file mode 100644
index 000000000..4eff598d6
--- /dev/null
+++ b/test/web/websub/websub_controller_test.exs
@@ -0,0 +1,30 @@
+defmodule Pleroma.Web.Websub.WebsubControllerTest do
+  use Pleroma.Web.ConnCase
+  import Pleroma.Factory
+  alias Pleroma.Repo
+  alias Pleroma.Web.Websub.WebsubServerSubscription
+
+  test "websub subscription request", %{conn: conn} do
+    user = insert(:user)
+
+    path = Pleroma.Web.OStatus.pubsub_path(user)
+
+    data = %{
+      "hub.callback": "http://example.org/sub",
+      "hub.mode": "subscription",
+      "hub.topic": Pleroma.Web.OStatus.feed_path(user),
+      "hub.secret": "a random secret",
+      "hub.lease_seconds": 100
+    }
+
+    conn = conn
+    |> post(path, data)
+
+    assert response(conn, 202) == "Accepted"
+    subscription = Repo.one!(WebsubServerSubscription)
+    assert subscription.topic == Pleroma.Web.OStatus.feed_path(user)
+    assert subscription.state == "requested"
+    assert subscription.secret == "a random secret"
+    assert subscription.valid_until == NaiveDateTime.add(subscription.inserted_at, 100)
+  end
+end

From 424e0e77792361d8f43a085c7cd3b2e9d566a22d Mon Sep 17 00:00:00 2001
From: Roger Braun <roger@rogerbraun.net>
Date: Fri, 21 Apr 2017 03:59:11 +0200
Subject: [PATCH 05/16] Add Websub verification.

---
 lib/pleroma/web/websub/websub.ex | 23 +++++++++++++++++
 mix.exs                          |  1 +
 mix.lock                         |  1 +
 test/support/factory.ex          | 10 ++++++++
 test/web/websub/websub_test.exs  | 44 ++++++++++++++++++++++++++++++++
 5 files changed, 79 insertions(+)
 create mode 100644 lib/pleroma/web/websub/websub.ex
 create mode 100644 test/web/websub/websub_test.exs

diff --git a/lib/pleroma/web/websub/websub.ex b/lib/pleroma/web/websub/websub.ex
new file mode 100644
index 000000000..c7752487c
--- /dev/null
+++ b/lib/pleroma/web/websub/websub.ex
@@ -0,0 +1,23 @@
+defmodule Pleroma.Web.Websub do
+  alias Pleroma.Repo
+
+  def verify(subscription, getter \\ &HTTPoison.get/3 ) do
+    challenge = Base.encode16(:crypto.strong_rand_bytes(8))
+    lease_seconds = NaiveDateTime.diff(subscription.inserted_at, subscription.valid_until)
+    with {:ok, response} <- getter.(subscription.callback, [], [params: %{
+                                                              "hub.challenge": challenge,
+                                                              "hub.lease_seconds": lease_seconds,
+                                                              "hub.topic": subscription.topic,
+                                                              "hub.mode": "subscribe"
+                                                                }]),
+         ^challenge <- response.body
+    do
+      changeset = Ecto.Changeset.change(subscription, %{state: "active"})
+      Repo.update(changeset)
+    else _e ->
+      changeset = Ecto.Changeset.change(subscription, %{state: "rejected"})
+      {:ok, subscription } = Repo.update(changeset)
+      {:error, subscription}
+    end
+  end
+end
diff --git a/mix.exs b/mix.exs
index f6831550b..0e54f0246 100644
--- a/mix.exs
+++ b/mix.exs
@@ -39,6 +39,7 @@ defp deps do
      {:html_sanitize_ex, "~> 1.0.0"},
      {:calendar, "~> 0.16.1"},
      {:cachex, "~> 2.1"},
+     {:httpoison, "~> 0.11.1"},
      {:ex_machina, "~> 2.0", only: :test},
      {:mix_test_watch, "~> 0.2", only: :dev}]
   end
diff --git a/mix.lock b/mix.lock
index a44ffa8d0..225a62f7a 100644
--- a/mix.lock
+++ b/mix.lock
@@ -18,6 +18,7 @@
   "gettext": {:hex, :gettext, "0.13.1", "5e0daf4e7636d771c4c71ad5f3f53ba09a9ae5c250e1ab9c42ba9edccc476263", [:mix], []},
   "hackney": {:hex, :hackney, "1.7.1", "e238c52c5df3c3b16ce613d3a51c7220a784d734879b1e231c9babd433ac1cb4", [:rebar3], [{:certifi, "1.0.0", [hex: :certifi, optional: false]}, {:idna, "4.0.0", [hex: :idna, optional: false]}, {:metrics, "1.0.1", [hex: :metrics, optional: false]}, {:mimerl, "1.0.2", [hex: :mimerl, optional: false]}, {:ssl_verify_fun, "1.1.1", [hex: :ssl_verify_fun, optional: false]}]},
   "html_sanitize_ex": {:hex, :html_sanitize_ex, "1.0.1", "2572e7122c78ab7e57b613e7c7f5e42bf9b3c25e430e32f23f1413d86db8a0af", [:mix], [{:mochiweb, "~> 2.12.2", [hex: :mochiweb, optional: false]}]},
+  "httpoison": {:hex, :httpoison, "0.11.1", "d06c571274c0e77b6cc50e548db3fd7779f611fbed6681fd60a331f66c143a0b", [:mix], [{:hackney, "~> 1.7.0", [hex: :hackney, optional: false]}]},
   "idna": {:hex, :idna, "4.0.0", "10aaa9f79d0b12cf0def53038547855b91144f1bfcc0ec73494f38bb7b9c4961", [:rebar3], []},
   "metrics": {:hex, :metrics, "1.0.1", "25f094dea2cda98213cecc3aeff09e940299d950904393b2a29d191c346a8486", [:rebar3], []},
   "mime": {:hex, :mime, "1.1.0", "01c1d6f4083d8aa5c7b8c246ade95139620ef8effb009edde934e0ec3b28090a", [:mix], []},
diff --git a/test/support/factory.ex b/test/support/factory.ex
index 3fc9cf710..401fdfda3 100644
--- a/test/support/factory.ex
+++ b/test/support/factory.ex
@@ -64,4 +64,14 @@ def like_activity_factory do
       data: data
     }
   end
+
+  def websub_subscription_factory do
+    %Pleroma.Web.Websub.WebsubServerSubscription{
+      topic: "http://example.org",
+      callback: "http://example/org/callback",
+      secret: "here's a secret",
+      valid_until: NaiveDateTime.add(NaiveDateTime.utc_now, 100),
+      state: "requested"
+    }
+  end
 end
diff --git a/test/web/websub/websub_test.exs b/test/web/websub/websub_test.exs
new file mode 100644
index 000000000..93a44fe46
--- /dev/null
+++ b/test/web/websub/websub_test.exs
@@ -0,0 +1,44 @@
+defmodule Pleroma.Web.WebsubTest do
+  use Pleroma.DataCase
+  alias Pleroma.Web.Websub
+  import Pleroma.Factory
+
+  test "a verification of a request that is accepted" do
+    sub = insert(:websub_subscription)
+    topic = sub.topic
+
+    getter = fn (_path, _headers, options) ->
+      %{
+        "hub.challenge": challenge,
+        "hub.lease_seconds": seconds,
+        "hub.topic": ^topic,
+        "hub.mode": "subscribe"
+      } = Keyword.get(options, :params)
+
+      assert is_number(seconds)
+
+      {:ok, %HTTPoison.Response{
+        status_code: 200,
+        body: challenge
+      }}
+    end
+
+    {:ok, sub} = Websub.verify(sub, getter)
+    assert sub.state == "active"
+  end
+
+  test "a verification of a request that doesn't return 200" do
+    sub = insert(:websub_subscription)
+    topic = sub.topic
+
+    getter = fn (_path, _headers, _options) ->
+      {:ok, %HTTPoison.Response{
+        status_code: 500,
+        body: ""
+      }}
+    end
+
+    {:error, sub} = Websub.verify(sub, getter)
+    assert sub.state == "rejected"
+  end
+end

From f51a672ac43696424034107c4f397e2b6b01d623 Mon Sep 17 00:00:00 2001
From: Roger Braun <roger@rogerbraun.net>
Date: Fri, 21 Apr 2017 04:22:02 +0200
Subject: [PATCH 06/16] Return object id in Ostatus create activties.

---
 lib/pleroma/web/ostatus/activity_representer.ex | 4 ++--
 test/web/ostatus/activity_representer_test.exs  | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/pleroma/web/ostatus/activity_representer.ex b/lib/pleroma/web/ostatus/activity_representer.ex
index 558c85df4..6f101109c 100644
--- a/lib/pleroma/web/ostatus/activity_representer.ex
+++ b/lib/pleroma/web/ostatus/activity_representer.ex
@@ -1,5 +1,5 @@
 defmodule Pleroma.Web.OStatus.ActivityRepresenter do
-  def to_simple_form(activity, user) do
+  def to_simple_form(%{data: %{"object" => %{"type" => "Note"}}} = activity, user) do
     h = fn(str) -> [to_charlist(str)] end
 
     updated_at = activity.updated_at
@@ -10,7 +10,7 @@ def to_simple_form(activity, user) do
     [
       {:"activity:object-type", ['http://activitystrea.ms/schema/1.0/note']},
       {:"activity:verb", ['http://activitystrea.ms/schema/1.0/post']},
-      {:id, h.(activity.data["id"])},
+      {:id, h.(activity.data["object"]["id"])},
       {:title, ['New note by #{user.nickname}']},
       {:content, [type: 'html'], h.(activity.data["object"]["content"])},
       {:published, h.(inserted_at)},
diff --git a/test/web/ostatus/activity_representer_test.exs b/test/web/ostatus/activity_representer_test.exs
index 16a9d3b00..de79717b1 100644
--- a/test/web/ostatus/activity_representer_test.exs
+++ b/test/web/ostatus/activity_representer_test.exs
@@ -18,7 +18,7 @@ test "a note activity" do
     expected = """
     <activity:object-type>http://activitystrea.ms/schema/1.0/note</activity:object-type>
     <activity:verb>http://activitystrea.ms/schema/1.0/post</activity:verb>
-    <id>#{note_activity.data["id"]}</id>
+    <id>#{note_activity.data["object"]["id"]}</id>
     <title>New note by #{user.nickname}</title>
     <content type="html">#{note_activity.data["object"]["content"]}</content>
     <published>#{inserted_at}</published>

From 39dc74f967e3fdbcd949c50df8d2c5ed74f876ff Mon Sep 17 00:00:00 2001
From: Roger Braun <roger@rogerbraun.net>
Date: Sat, 22 Apr 2017 12:05:48 +0200
Subject: [PATCH 07/16] Add callback to websub subscription.

---
 lib/pleroma/web/websub/websub_controller.ex | 9 +++++++--
 test/web/websub/websub_controller_test.exs  | 3 ++-
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/lib/pleroma/web/websub/websub_controller.ex b/lib/pleroma/web/websub/websub_controller.ex
index 09305c337..5766dff64 100644
--- a/lib/pleroma/web/websub/websub_controller.ex
+++ b/lib/pleroma/web/websub/websub_controller.ex
@@ -3,6 +3,7 @@ defmodule Pleroma.Web.Websub.WebsubController do
   alias Pleroma.Web.Websub.WebsubServerSubscription
   alias Pleroma.{Repo, User}
   alias Pleroma.Web.OStatus
+  alias Pleroma.Web.Websub
   def websub_subscription_request(conn, %{"nickname" => nickname} = params) do
     user = User.get_cached_by_nickname(nickname)
 
@@ -13,7 +14,8 @@ def websub_subscription_request(conn, %{"nickname" => nickname} = params) do
       data = %{
         state: "requested",
         topic: topic,
-        secret: secret
+        secret: secret,
+        callback: params["hub.callback"]
       }
 
       change = Ecto.Changeset.change(%WebsubServerSubscription{}, data)
@@ -22,6 +24,9 @@ def websub_subscription_request(conn, %{"nickname" => nickname} = params) do
       change = Ecto.Changeset.change(websub, %{valid_until: NaiveDateTime.add(websub.inserted_at, lease_time)})
       websub = Repo.update!(change)
 
+      # Just spawn that for now, maybe pool later.
+      spawn(fn -> Websub.verify(websub) end)
+
       conn
       |> send_resp(202, "Accepted")
     else {:error, reason} ->
@@ -31,7 +36,7 @@ def websub_subscription_request(conn, %{"nickname" => nickname} = params) do
   end
 
   defp lease_time(%{"hub.lease_seconds" => lease_seconds}) do
-    {:ok, lease_seconds}
+    {:ok, String.to_integer(lease_seconds)}
   end
 
   defp lease_time(_) do
diff --git a/test/web/websub/websub_controller_test.exs b/test/web/websub/websub_controller_test.exs
index 4eff598d6..584db0a19 100644
--- a/test/web/websub/websub_controller_test.exs
+++ b/test/web/websub/websub_controller_test.exs
@@ -14,7 +14,7 @@ test "websub subscription request", %{conn: conn} do
       "hub.mode": "subscription",
       "hub.topic": Pleroma.Web.OStatus.feed_path(user),
       "hub.secret": "a random secret",
-      "hub.lease_seconds": 100
+      "hub.lease_seconds": "100"
     }
 
     conn = conn
@@ -25,6 +25,7 @@ test "websub subscription request", %{conn: conn} do
     assert subscription.topic == Pleroma.Web.OStatus.feed_path(user)
     assert subscription.state == "requested"
     assert subscription.secret == "a random secret"
+    assert subscription.callback == "http://example.org/sub"
     assert subscription.valid_until == NaiveDateTime.add(subscription.inserted_at, 100)
   end
 end

From 77cb260628fda32ffa42c68dbafab21fa6335469 Mon Sep 17 00:00:00 2001
From: Roger Braun <roger@rogerbraun.net>
Date: Sat, 22 Apr 2017 12:07:51 +0200
Subject: [PATCH 08/16] add basic federation to websub.

---
 lib/pleroma/web/websub/websub.ex | 42 ++++++++++++++++++++++++++------
 test/web/websub/websub_test.exs  |  2 +-
 2 files changed, 36 insertions(+), 8 deletions(-)

diff --git a/lib/pleroma/web/websub/websub.ex b/lib/pleroma/web/websub/websub.ex
index c7752487c..26a10788a 100644
--- a/lib/pleroma/web/websub/websub.ex
+++ b/lib/pleroma/web/websub/websub.ex
@@ -1,15 +1,26 @@
 defmodule Pleroma.Web.Websub do
   alias Pleroma.Repo
+  alias Pleroma.Websub
+  alias Pleroma.Web.Websub.WebsubServerSubscription
+  alias Pleroma.Web.OStatus.FeedRepresenter
+
+  import Ecto.Query
 
   def verify(subscription, getter \\ &HTTPoison.get/3 ) do
     challenge = Base.encode16(:crypto.strong_rand_bytes(8))
-    lease_seconds = NaiveDateTime.diff(subscription.inserted_at, subscription.valid_until)
-    with {:ok, response} <- getter.(subscription.callback, [], [params: %{
-                                                              "hub.challenge": challenge,
-                                                              "hub.lease_seconds": lease_seconds,
-                                                              "hub.topic": subscription.topic,
-                                                              "hub.mode": "subscribe"
-                                                                }]),
+    lease_seconds = NaiveDateTime.diff(subscription.valid_until, subscription.inserted_at) |> to_string
+
+    params = %{
+      "hub.challenge": challenge,
+      "hub.lease_seconds": lease_seconds,
+      "hub.topic": subscription.topic,
+      "hub.mode": "subscribe"
+    }
+
+    url = hd(String.split(subscription.callback, "?"))
+    query = URI.parse(subscription.callback).query || ""
+    params = Map.merge(params, URI.decode_query(query))
+    with {:ok, response} <- getter.(url, [], [params: params]),
          ^challenge <- response.body
     do
       changeset = Ecto.Changeset.change(subscription, %{state: "active"})
@@ -20,4 +31,21 @@ def verify(subscription, getter \\ &HTTPoison.get/3 ) do
       {:error, subscription}
     end
   end
+
+  def publish(topic, user, activity) do
+    query = from sub in WebsubServerSubscription,
+    where: sub.topic == ^topic and sub.state == "active"
+    subscriptions = Repo.all(query)
+    Enum.each(subscriptions, fn(sub) ->
+      response = FeedRepresenter.to_simple_form(user, [activity], [user])
+      |> :xmerl.export_simple(:xmerl_xml)
+
+      signature = :crypto.hmac(:sha, sub.secret, response) |> Base.encode16
+
+      HTTPoison.post(sub.callback, response, [
+            {"Content-Type", "application/atom+xml"},
+            {"X-Hub-Signature", "sha1=#{signature}"}
+          ])
+    end)
+  end
 end
diff --git a/test/web/websub/websub_test.exs b/test/web/websub/websub_test.exs
index 93a44fe46..36ea82299 100644
--- a/test/web/websub/websub_test.exs
+++ b/test/web/websub/websub_test.exs
@@ -15,7 +15,7 @@ test "a verification of a request that is accepted" do
         "hub.mode": "subscribe"
       } = Keyword.get(options, :params)
 
-      assert is_number(seconds)
+      assert String.to_integer(seconds) > 0
 
       {:ok, %HTTPoison.Response{
         status_code: 200,

From a2b79ce7d14060f643439bc95be4eded399b05c2 Mon Sep 17 00:00:00 2001
From: Roger Braun <roger@rogerbraun.net>
Date: Sat, 22 Apr 2017 12:08:20 +0200
Subject: [PATCH 09/16] Add outgoin federation to twitter api.

Doesn't really belong there, find a different place for it. Should
federate on every activity insertion.
---
 lib/pleroma/web/twitter_api/twitter_api.ex | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/pleroma/web/twitter_api/twitter_api.ex b/lib/pleroma/web/twitter_api/twitter_api.ex
index 1053120c4..0f84cffbd 100644
--- a/lib/pleroma/web/twitter_api/twitter_api.ex
+++ b/lib/pleroma/web/twitter_api/twitter_api.ex
@@ -66,7 +66,9 @@ def create_status(user = %User{}, data = %{}) do
                end
 
     with {:ok, activity} <- ActivityPub.insert(activity) do
-      add_conversation_id(activity)
+      {:ok, activity} = add_conversation_id(activity)
+      Pleroma.Web.Websub.publish(Pleroma.Web.OStatus.feed_path(user), user, activity)
+      {:ok, activity}
     end
   end
 

From ece85fc8bc18a67079179922cf728786c1c444e6 Mon Sep 17 00:00:00 2001
From: Roger Braun <roger@rogerbraun.net>
Date: Sat, 22 Apr 2017 12:09:13 +0200
Subject: [PATCH 10/16] Add attachments to feed.

---
 lib/pleroma/web/ostatus/activity_representer.ex | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/pleroma/web/ostatus/activity_representer.ex b/lib/pleroma/web/ostatus/activity_representer.ex
index 6f101109c..daaa4ef03 100644
--- a/lib/pleroma/web/ostatus/activity_representer.ex
+++ b/lib/pleroma/web/ostatus/activity_representer.ex
@@ -7,6 +7,11 @@ def to_simple_form(%{data: %{"object" => %{"type" => "Note"}}} = activity, user)
     inserted_at = activity.inserted_at
     |> NaiveDateTime.to_iso8601
 
+    attachments = Enum.map(activity.data["object"]["attachment"] || [], fn(attachment) ->
+      url = hd(attachment["url"])
+      {:link, [rel: 'enclosure', href: to_charlist(url["href"]), type: to_charlist(url["mediaType"])], []}
+    end)
+
     [
       {:"activity:object-type", ['http://activitystrea.ms/schema/1.0/note']},
       {:"activity:verb", ['http://activitystrea.ms/schema/1.0/post']},
@@ -15,6 +20,6 @@ def to_simple_form(%{data: %{"object" => %{"type" => "Note"}}} = activity, user)
       {:content, [type: 'html'], h.(activity.data["object"]["content"])},
       {:published, h.(inserted_at)},
       {:updated, h.(updated_at)}
-    ]
+    ] ++ attachments
   end
 end

From 1feb193731881f87efda0dd3c08d554d2ef22971 Mon Sep 17 00:00:00 2001
From: Roger Braun <roger@rogerbraun.net>
Date: Sat, 22 Apr 2017 12:11:36 +0200
Subject: [PATCH 11/16] Add rel=self link too feed.

---
 lib/pleroma/web/ostatus/feed_representer.ex | 3 ++-
 test/web/ostatus/feed_representer_test.exs  | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/pleroma/web/ostatus/feed_representer.ex b/lib/pleroma/web/ostatus/feed_representer.ex
index 1576b4710..42be5f793 100644
--- a/lib/pleroma/web/ostatus/feed_representer.ex
+++ b/lib/pleroma/web/ostatus/feed_representer.ex
@@ -21,7 +21,8 @@ def to_simple_form(user, activities, users) do
         {:title, ['#{user.nickname}\'s timeline']},
         {:updated, h.(most_recent_update)},
         {:link, [rel: 'hub', href: h.(OStatus.pubsub_path(user))], []},
-        {:author, UserRepresenter.to_simple_form(user)}
+        {:link, [rel: 'self', href: h.(OStatus.feed_path(user))], []},
+        {:author, UserRepresenter.to_simple_form(user)},
       ] ++ entries
     }]
   end
diff --git a/test/web/ostatus/feed_representer_test.exs b/test/web/ostatus/feed_representer_test.exs
index 3d8eaac6e..1b0a10030 100644
--- a/test/web/ostatus/feed_representer_test.exs
+++ b/test/web/ostatus/feed_representer_test.exs
@@ -27,6 +27,7 @@ test "returns a feed of the last 20 items of the user" do
       <title>#{user.nickname}'s timeline</title>
       <updated>#{most_recent_update}</updated>
       <link rel="hub" href="#{OStatus.pubsub_path(user)}" />
+      <link rel="self" href="#{OStatus.feed_path(user)}" />
       <author>
         #{user_xml}
       </author>

From 8fb73c28bbeccb6a7462e4a0e9fb58726b68bcf5 Mon Sep 17 00:00:00 2001
From: Roger Braun <roger@rogerbraun.net>
Date: Sat, 22 Apr 2017 13:44:21 +0200
Subject: [PATCH 12/16] Only have one subscription per callback.

---
 config/config.exs                           |  2 +
 config/test.exs                             |  2 +
 lib/pleroma/web/websub/websub.ex            | 54 ++++++++++++++++++++-
 lib/pleroma/web/websub/websub_controller.ex | 41 ++--------------
 test/web/websub/websub_controller_test.exs  |  8 ---
 test/web/websub/websub_test.exs             | 48 +++++++++++++++++-
 6 files changed, 107 insertions(+), 48 deletions(-)

diff --git a/config/config.exs b/config/config.exs
index 18a2490a4..3826dddff 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -30,6 +30,8 @@
   "application/xrd+xml" => ["xrd+xml"]
 }
 
+config :pleroma, :websub_verifier, Pleroma.Web.Websub
+
 # Import environment specific config. This must remain at the bottom
 # of this file so it overrides the configuration defined above.
 import_config "#{Mix.env}.exs"
diff --git a/config/test.exs b/config/test.exs
index f5d6f240d..5d91279a2 100644
--- a/config/test.exs
+++ b/config/test.exs
@@ -24,3 +24,5 @@
 
 # Reduce hash rounds for testing
 config :comeonin, :pbkdf2_rounds, 1
+
+config :pleroma, :websub_verifier, Pleroma.Web.WebsubMock
diff --git a/lib/pleroma/web/websub/websub.ex b/lib/pleroma/web/websub/websub.ex
index 26a10788a..50878e3c4 100644
--- a/lib/pleroma/web/websub/websub.ex
+++ b/lib/pleroma/web/websub/websub.ex
@@ -3,12 +3,15 @@ defmodule Pleroma.Web.Websub do
   alias Pleroma.Websub
   alias Pleroma.Web.Websub.WebsubServerSubscription
   alias Pleroma.Web.OStatus.FeedRepresenter
+  alias Pleroma.Web.OStatus
 
   import Ecto.Query
 
+  @websub_verifier Application.get_env(:pleroma, :websub_verifier)
+
   def verify(subscription, getter \\ &HTTPoison.get/3 ) do
     challenge = Base.encode16(:crypto.strong_rand_bytes(8))
-    lease_seconds = NaiveDateTime.diff(subscription.valid_until, subscription.inserted_at) |> to_string
+    lease_seconds = NaiveDateTime.diff(subscription.valid_until, subscription.updated_at) |> to_string
 
     params = %{
       "hub.challenge": challenge,
@@ -48,4 +51,53 @@ def publish(topic, user, activity) do
           ])
     end)
   end
+
+  def incoming_subscription_request(user, params) do
+    with {:ok, topic} <- valid_topic(params, user),
+         {:ok, lease_time} <- lease_time(params),
+         secret <- params["hub.secret"],
+         callback <- params["hub.callback"]
+    do
+      subscription = get_subscription(topic, callback)
+      data = %{
+        state: subscription.state || "requested",
+        topic: topic,
+        secret: secret,
+        callback: callback
+      }
+
+      change = Ecto.Changeset.change(subscription, data)
+      websub = Repo.insert_or_update!(change)
+
+      change = Ecto.Changeset.change(websub, %{valid_until: NaiveDateTime.add(websub.updated_at, lease_time)})
+      websub = Repo.update!(change)
+
+      # Just spawn that for now, maybe pool later.
+      spawn(fn -> @websub_verifier.verify(websub) end)
+
+      {:ok, websub}
+    else {:error, reason} ->
+      {:error, reason}
+    end
+  end
+
+  defp get_subscription(topic, callback) do
+    Repo.get_by(WebsubServerSubscription, topic: topic, callback: callback) || %WebsubServerSubscription{}
+  end
+
+  defp lease_time(%{"hub.lease_seconds" => lease_seconds}) do
+    {:ok, String.to_integer(lease_seconds)}
+  end
+
+  defp lease_time(_) do
+    {:ok, 60 * 60 * 24 * 3} # three days
+  end
+
+  defp valid_topic(%{"hub.topic" => topic}, user) do
+    if topic == OStatus.feed_path(user) do
+      {:ok, topic}
+    else
+      {:error, "Wrong topic requested, expected #{OStatus.feed_path(user)}, got #{topic}"}
+    end
+  end
 end
diff --git a/lib/pleroma/web/websub/websub_controller.ex b/lib/pleroma/web/websub/websub_controller.ex
index 5766dff64..5d54c6ef5 100644
--- a/lib/pleroma/web/websub/websub_controller.ex
+++ b/lib/pleroma/web/websub/websub_controller.ex
@@ -1,32 +1,13 @@
 defmodule Pleroma.Web.Websub.WebsubController do
   use Pleroma.Web, :controller
-  alias Pleroma.Web.Websub.WebsubServerSubscription
-  alias Pleroma.{Repo, User}
-  alias Pleroma.Web.OStatus
+  alias Pleroma.User
   alias Pleroma.Web.Websub
+
   def websub_subscription_request(conn, %{"nickname" => nickname} = params) do
     user = User.get_cached_by_nickname(nickname)
 
-    with {:ok, topic} <- valid_topic(params, user),
-         {:ok, lease_time} <- lease_time(params),
-         secret <- params["hub.secret"]
+    with {:ok, _websub} <- Websub.incoming_subscription_request(user, params)
     do
-      data = %{
-        state: "requested",
-        topic: topic,
-        secret: secret,
-        callback: params["hub.callback"]
-      }
-
-      change = Ecto.Changeset.change(%WebsubServerSubscription{}, data)
-      websub = Repo.insert!(change)
-
-      change = Ecto.Changeset.change(websub, %{valid_until: NaiveDateTime.add(websub.inserted_at, lease_time)})
-      websub = Repo.update!(change)
-
-      # Just spawn that for now, maybe pool later.
-      spawn(fn -> Websub.verify(websub) end)
-
       conn
       |> send_resp(202, "Accepted")
     else {:error, reason} ->
@@ -34,20 +15,4 @@ def websub_subscription_request(conn, %{"nickname" => nickname} = params) do
       |> send_resp(500, reason)
     end
   end
-
-  defp lease_time(%{"hub.lease_seconds" => lease_seconds}) do
-    {:ok, String.to_integer(lease_seconds)}
-  end
-
-  defp lease_time(_) do
-    {:ok, 60 * 60 * 24 * 3} # three days
-  end
-
-  defp valid_topic(%{"hub.topic" => topic}, user) do
-    if topic == OStatus.feed_path(user) do
-      {:ok, topic}
-    else
-      {:error, "Wrong topic requested, expected #{OStatus.feed_path(user)}, got #{topic}"}
-    end
-  end
 end
diff --git a/test/web/websub/websub_controller_test.exs b/test/web/websub/websub_controller_test.exs
index 584db0a19..9a0a5c61b 100644
--- a/test/web/websub/websub_controller_test.exs
+++ b/test/web/websub/websub_controller_test.exs
@@ -1,8 +1,6 @@
 defmodule Pleroma.Web.Websub.WebsubControllerTest do
   use Pleroma.Web.ConnCase
   import Pleroma.Factory
-  alias Pleroma.Repo
-  alias Pleroma.Web.Websub.WebsubServerSubscription
 
   test "websub subscription request", %{conn: conn} do
     user = insert(:user)
@@ -21,11 +19,5 @@ test "websub subscription request", %{conn: conn} do
     |> post(path, data)
 
     assert response(conn, 202) == "Accepted"
-    subscription = Repo.one!(WebsubServerSubscription)
-    assert subscription.topic == Pleroma.Web.OStatus.feed_path(user)
-    assert subscription.state == "requested"
-    assert subscription.secret == "a random secret"
-    assert subscription.callback == "http://example.org/sub"
-    assert subscription.valid_until == NaiveDateTime.add(subscription.inserted_at, 100)
   end
 end
diff --git a/test/web/websub/websub_test.exs b/test/web/websub/websub_test.exs
index 36ea82299..5fe91d0f8 100644
--- a/test/web/websub/websub_test.exs
+++ b/test/web/websub/websub_test.exs
@@ -1,6 +1,12 @@
+defmodule Pleroma.Web.WebsubMock do
+  def verify(sub) do
+    {:ok, sub}
+  end
+end
 defmodule Pleroma.Web.WebsubTest do
   use Pleroma.DataCase
   alias Pleroma.Web.Websub
+  alias Pleroma.Web.Websub.WebsubServerSubscription
   import Pleroma.Factory
 
   test "a verification of a request that is accepted" do
@@ -29,7 +35,6 @@ test "a verification of a request that is accepted" do
 
   test "a verification of a request that doesn't return 200" do
     sub = insert(:websub_subscription)
-    topic = sub.topic
 
     getter = fn (_path, _headers, _options) ->
       {:ok, %HTTPoison.Response{
@@ -41,4 +46,45 @@ test "a verification of a request that doesn't return 200" do
     {:error, sub} = Websub.verify(sub, getter)
     assert sub.state == "rejected"
   end
+
+  test "an incoming subscription request" do
+    user = insert(:user)
+
+    data = %{
+      "hub.callback" => "http://example.org/sub",
+      "hub.mode" => "subscription",
+      "hub.topic" => Pleroma.Web.OStatus.feed_path(user),
+      "hub.secret" => "a random secret",
+      "hub.lease_seconds" => "100"
+    }
+
+
+    {:ok, subscription } = Websub.incoming_subscription_request(user, data)
+    assert subscription.topic == Pleroma.Web.OStatus.feed_path(user)
+    assert subscription.state == "requested"
+    assert subscription.secret == "a random secret"
+    assert subscription.callback == "http://example.org/sub"
+  end
+
+  test "an incoming subscription request for an existing subscription" do
+    user = insert(:user)
+    sub = insert(:websub_subscription, state: "accepted", topic: Pleroma.Web.OStatus.feed_path(user))
+
+    data = %{
+      "hub.callback" => sub.callback,
+      "hub.mode" => "subscription",
+      "hub.topic" => Pleroma.Web.OStatus.feed_path(user),
+      "hub.secret" => "a random secret",
+      "hub.lease_seconds" => "100"
+    }
+
+
+    {:ok, subscription } = Websub.incoming_subscription_request(user, data)
+    assert subscription.topic == Pleroma.Web.OStatus.feed_path(user)
+    assert subscription.state == sub.state
+    assert subscription.secret == "a random secret"
+    assert subscription.callback == sub.callback
+    assert length(Repo.all(WebsubServerSubscription)) == 1
+    assert subscription.id == sub.id
+  end
 end

From c585f9e26ca81f0394cf3fc1a9271833506811e1 Mon Sep 17 00:00:00 2001
From: Roger Braun <roger@rogerbraun.net>
Date: Sat, 22 Apr 2017 13:48:10 +0200
Subject: [PATCH 13/16] Only handle subscription requests for now.

---
 lib/pleroma/web/websub/websub.ex           | 2 +-
 test/web/websub/websub_controller_test.exs | 2 +-
 test/web/websub/websub_test.exs            | 4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/pleroma/web/websub/websub.ex b/lib/pleroma/web/websub/websub.ex
index 50878e3c4..cf819afd1 100644
--- a/lib/pleroma/web/websub/websub.ex
+++ b/lib/pleroma/web/websub/websub.ex
@@ -52,7 +52,7 @@ def publish(topic, user, activity) do
     end)
   end
 
-  def incoming_subscription_request(user, params) do
+  def incoming_subscription_request(user, %{"hub.mode" => "subscribe"} = params) do
     with {:ok, topic} <- valid_topic(params, user),
          {:ok, lease_time} <- lease_time(params),
          secret <- params["hub.secret"],
diff --git a/test/web/websub/websub_controller_test.exs b/test/web/websub/websub_controller_test.exs
index 9a0a5c61b..8368cafea 100644
--- a/test/web/websub/websub_controller_test.exs
+++ b/test/web/websub/websub_controller_test.exs
@@ -9,7 +9,7 @@ test "websub subscription request", %{conn: conn} do
 
     data = %{
       "hub.callback": "http://example.org/sub",
-      "hub.mode": "subscription",
+      "hub.mode": "subscribe",
       "hub.topic": Pleroma.Web.OStatus.feed_path(user),
       "hub.secret": "a random secret",
       "hub.lease_seconds": "100"
diff --git a/test/web/websub/websub_test.exs b/test/web/websub/websub_test.exs
index 5fe91d0f8..334ba03fc 100644
--- a/test/web/websub/websub_test.exs
+++ b/test/web/websub/websub_test.exs
@@ -52,7 +52,7 @@ test "an incoming subscription request" do
 
     data = %{
       "hub.callback" => "http://example.org/sub",
-      "hub.mode" => "subscription",
+      "hub.mode" => "subscribe",
       "hub.topic" => Pleroma.Web.OStatus.feed_path(user),
       "hub.secret" => "a random secret",
       "hub.lease_seconds" => "100"
@@ -72,7 +72,7 @@ test "an incoming subscription request for an existing subscription" do
 
     data = %{
       "hub.callback" => sub.callback,
-      "hub.mode" => "subscription",
+      "hub.mode" => "subscribe",
       "hub.topic" => Pleroma.Web.OStatus.feed_path(user),
       "hub.secret" => "a random secret",
       "hub.lease_seconds" => "100"

From 923584d0467b2213bef0d3d78c8713f34b7b21d7 Mon Sep 17 00:00:00 2001
From: Roger Braun <roger@rogerbraun.net>
Date: Sat, 22 Apr 2017 14:37:54 +0200
Subject: [PATCH 14/16] Remove unknown activities from feed.

---
 lib/pleroma/web/ostatus/activity_representer.ex | 2 ++
 lib/pleroma/web/ostatus/feed_representer.ex     | 1 +
 lib/pleroma/web/websub/websub.ex                | 1 -
 test/web/ostatus/activity_representer_test.exs  | 7 ++++++-
 4 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/lib/pleroma/web/ostatus/activity_representer.ex b/lib/pleroma/web/ostatus/activity_representer.ex
index daaa4ef03..590abc8bb 100644
--- a/lib/pleroma/web/ostatus/activity_representer.ex
+++ b/lib/pleroma/web/ostatus/activity_representer.ex
@@ -22,4 +22,6 @@ def to_simple_form(%{data: %{"object" => %{"type" => "Note"}}} = activity, user)
       {:updated, h.(updated_at)}
     ] ++ attachments
   end
+
+  def to_simple_form(_,_), do: nil
 end
diff --git a/lib/pleroma/web/ostatus/feed_representer.ex b/lib/pleroma/web/ostatus/feed_representer.ex
index 42be5f793..c9cd12937 100644
--- a/lib/pleroma/web/ostatus/feed_representer.ex
+++ b/lib/pleroma/web/ostatus/feed_representer.ex
@@ -11,6 +11,7 @@ def to_simple_form(user, activities, users) do
     entries = Enum.map(activities, fn(activity) ->
       {:entry, ActivityRepresenter.to_simple_form(activity, user)}
     end)
+    |> Enum.filter(fn ({_, form}) -> form end)
 
     [{
       :feed, [
diff --git a/lib/pleroma/web/websub/websub.ex b/lib/pleroma/web/websub/websub.ex
index cf819afd1..cc66b52dd 100644
--- a/lib/pleroma/web/websub/websub.ex
+++ b/lib/pleroma/web/websub/websub.ex
@@ -1,6 +1,5 @@
 defmodule Pleroma.Web.Websub do
   alias Pleroma.Repo
-  alias Pleroma.Websub
   alias Pleroma.Web.Websub.WebsubServerSubscription
   alias Pleroma.Web.OStatus.FeedRepresenter
   alias Pleroma.Web.OStatus
diff --git a/test/web/ostatus/activity_representer_test.exs b/test/web/ostatus/activity_representer_test.exs
index de79717b1..61df41a1d 100644
--- a/test/web/ostatus/activity_representer_test.exs
+++ b/test/web/ostatus/activity_representer_test.exs
@@ -2,7 +2,7 @@ defmodule Pleroma.Web.OStatus.ActivityRepresenterTest do
   use Pleroma.DataCase
 
   alias Pleroma.Web.OStatus.ActivityRepresenter
-  alias Pleroma.User
+  alias Pleroma.{User, Activity}
 
   import Pleroma.Factory
 
@@ -32,6 +32,11 @@ test "a note activity" do
     assert clean(res) == clean(expected)
   end
 
+  test "an unknown activity" do
+    tuple = ActivityRepresenter.to_simple_form(%Activity{}, nil)
+    assert is_nil(tuple)
+  end
+
   defp clean(string) do
     String.replace(string, ~r/\s/, "")
   end

From 04fb4f9c47b273256d628eefa5bd8af77cca31fb Mon Sep 17 00:00:00 2001
From: Roger Braun <roger@rogerbraun.net>
Date: Sat, 22 Apr 2017 15:11:13 +0200
Subject: [PATCH 15/16] Add poco data to user.

---
 lib/pleroma/web/ostatus/feed_representer.ex | 3 ++-
 lib/pleroma/web/ostatus/user_representer.ex | 5 +++++
 test/web/ostatus/feed_representer_test.exs  | 2 +-
 test/web/ostatus/user_representer_test.exs  | 3 +++
 4 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/lib/pleroma/web/ostatus/feed_representer.ex b/lib/pleroma/web/ostatus/feed_representer.ex
index c9cd12937..749cb10d0 100644
--- a/lib/pleroma/web/ostatus/feed_representer.ex
+++ b/lib/pleroma/web/ostatus/feed_representer.ex
@@ -16,7 +16,8 @@ def to_simple_form(user, activities, users) do
     [{
       :feed, [
         xmlns: 'http://www.w3.org/2005/Atom',
-        "xmlns:activity": 'http://activitystrea.ms/spec/1.0/'
+        "xmlns:activity": 'http://activitystrea.ms/spec/1.0/',
+        "xmlns:poco": 'http://portablecontacts.net/spec/1.0'
       ], [
         {:id, h.(OStatus.feed_path(user))},
         {:title, ['#{user.nickname}\'s timeline']},
diff --git a/lib/pleroma/web/ostatus/user_representer.ex b/lib/pleroma/web/ostatus/user_representer.ex
index e7ee4cfeb..65dfc5643 100644
--- a/lib/pleroma/web/ostatus/user_representer.ex
+++ b/lib/pleroma/web/ostatus/user_representer.ex
@@ -3,11 +3,16 @@ defmodule Pleroma.Web.OStatus.UserRepresenter do
   def to_simple_form(user) do
     ap_id = to_charlist(user.ap_id)
     nickname = to_charlist(user.nickname)
+    name = to_charlist(user.name)
+    bio = to_charlist(user.bio)
     avatar_url = to_charlist(User.avatar_url(user))
     [
       { :id, [ap_id] },
       { :"activity:object", ['http://activitystrea.ms/schema/1.0/person'] },
       { :uri, [ap_id] },
+      { :"poco:preferredUsername", [nickname] },
+      { :"poco:displayName", [name] },
+      { :"poco:note", [bio] },
       { :name, [nickname] },
       { :link, [rel: 'avatar', href: avatar_url], []}
     ]
diff --git a/test/web/ostatus/feed_representer_test.exs b/test/web/ostatus/feed_representer_test.exs
index 1b0a10030..a5f28f6d5 100644
--- a/test/web/ostatus/feed_representer_test.exs
+++ b/test/web/ostatus/feed_representer_test.exs
@@ -22,7 +22,7 @@ test "returns a feed of the last 20 items of the user" do
     |> :xmerl.export_simple_content(:xmerl_xml)
 
     expected = """
-    <feed xmlns="http://www.w3.org/2005/Atom" xmlns:activity="http://activitystrea.ms/spec/1.0/">
+    <feed xmlns="http://www.w3.org/2005/Atom" xmlns:activity="http://activitystrea.ms/spec/1.0/" xmlns:poco="http://portablecontacts.net/spec/1.0">
       <id>#{OStatus.feed_path(user)}</id>
       <title>#{user.nickname}'s timeline</title>
       <updated>#{most_recent_update}</updated>
diff --git a/test/web/ostatus/user_representer_test.exs b/test/web/ostatus/user_representer_test.exs
index a401a56da..80ac8181a 100644
--- a/test/web/ostatus/user_representer_test.exs
+++ b/test/web/ostatus/user_representer_test.exs
@@ -15,6 +15,9 @@ test "returns a user with id, uri, name and link" do
     <id>#{user.ap_id}</id>
     <activity:object>http://activitystrea.ms/schema/1.0/person</activity:object>
     <uri>#{user.ap_id}</uri>
+    <poco:preferredUsername>#{user.nickname}</poco:preferredUsername>
+    <poco:displayName>#{user.name}</poco:displayName>
+    <poco:note>#{user.bio}</poco:note>
     <name>#{user.nickname}</name>
     <link rel="avatar" href="#{User.avatar_url(user)}" />
     """

From cef4a4d7095eae474c0bebaa4b0fb0001f140672 Mon Sep 17 00:00:00 2001
From: Roger Braun <roger@rogerbraun.net>
Date: Sat, 22 Apr 2017 15:34:29 +0200
Subject: [PATCH 16/16] Fix utf8 problems with iolists.

---
 lib/pleroma/web/ostatus/ostatus_controller.ex | 1 +
 test/support/factory.ex                       | 2 +-
 test/web/ostatus/feed_representer_test.exs    | 2 +-
 test/web/ostatus/user_representer_test.exs    | 4 ++--
 4 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/lib/pleroma/web/ostatus/ostatus_controller.ex b/lib/pleroma/web/ostatus/ostatus_controller.ex
index 4db4a55e6..3c8d8c0f1 100644
--- a/lib/pleroma/web/ostatus/ostatus_controller.ex
+++ b/lib/pleroma/web/ostatus/ostatus_controller.ex
@@ -18,6 +18,7 @@ def feed(conn, %{"nickname" => nickname}) do
 
     response = FeedRepresenter.to_simple_form(user, activities, [user])
     |> :xmerl.export_simple(:xmerl_xml)
+    |> to_string
 
     conn
     |> put_resp_content_type("application/atom+xml")
diff --git a/test/support/factory.ex b/test/support/factory.ex
index 401fdfda3..d7c16f0e0 100644
--- a/test/support/factory.ex
+++ b/test/support/factory.ex
@@ -3,7 +3,7 @@ defmodule Pleroma.Factory do
 
   def user_factory do
     user = %Pleroma.User{
-      name: sequence(:name, &"Test User #{&1}"),
+      name: sequence(:name, &"Test テスト User #{&1}"),
       email: sequence(:email, &"user#{&1}@example.com"),
       nickname: sequence(:nickname, &"nick#{&1}"),
       password_hash: Comeonin.Pbkdf2.hashpwsalt("test"),
diff --git a/test/web/ostatus/feed_representer_test.exs b/test/web/ostatus/feed_representer_test.exs
index a5f28f6d5..9a02d8c16 100644
--- a/test/web/ostatus/feed_representer_test.exs
+++ b/test/web/ostatus/feed_representer_test.exs
@@ -14,7 +14,7 @@ test "returns a feed of the last 20 items of the user" do
     most_recent_update = note_activity.updated_at
     |> NaiveDateTime.to_iso8601
 
-    res = :xmerl.export_simple_content(tuple, :xmerl_xml) |> IO.iodata_to_binary
+    res = :xmerl.export_simple_content(tuple, :xmerl_xml) |> to_string
     user_xml = UserRepresenter.to_simple_form(user)
     |> :xmerl.export_simple_content(:xmerl_xml)
 
diff --git a/test/web/ostatus/user_representer_test.exs b/test/web/ostatus/user_representer_test.exs
index 80ac8181a..a4afc2cf7 100644
--- a/test/web/ostatus/user_representer_test.exs
+++ b/test/web/ostatus/user_representer_test.exs
@@ -6,10 +6,10 @@ defmodule Pleroma.Web.OStatus.UserRepresenterTest do
   alias Pleroma.User
 
   test "returns a user with id, uri, name and link" do
-    user = build(:user)
+    user = build(:user, nickname: "レイン")
     tuple = UserRepresenter.to_simple_form(user)
 
-    res = :xmerl.export_simple_content(tuple, :xmerl_xml) |> IO.iodata_to_binary
+    res = :xmerl.export_simple_content(tuple, :xmerl_xml) |> to_string
 
     expected = """
     <id>#{user.ap_id}</id>