Merge branch 'develop' of ssh.gitgud.io:lambadalambda/pleroma into feature/follow...
[akkoma] / lib / pleroma / web / twitter_api / twitter_api.ex
index b6e7d5cc6ae407cd039d50c0843f4015832af97b..425ff4ad2b846d7b6d4768037c0646e3224d6c30 100644 (file)
@@ -1,26 +1,43 @@
 defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
-  alias Pleroma.{User, Activity, Repo}
+  alias Pleroma.{User, Activity, Repo, Object}
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.TwitterAPI.Representers.ActivityRepresenter
 
   import Ecto.Query
 
   def create_status(user = %User{}, data = %{}) do
-    date = DateTime.utc_now() |> DateTime.to_iso8601
+    attachments = Enum.map(data["media_ids"] || [], fn (media_id) ->
+      Repo.get(Object, media_id).data
+    end)
 
     context = ActivityPub.generate_context_id
+
+    content = HtmlSanitizeEx.strip_tags(data["status"])
+
+    mentions = parse_mentions(content)
+
+    default_to = [
+      User.ap_followers(user),
+      "https://www.w3.org/ns/activitystreams#Public"
+    ]
+
+    to = default_to ++ Enum.map(mentions, fn ({_, %{ap_id: ap_id}}) -> ap_id end)
+
+    content_html = add_user_links(content, mentions)
+
+    date = make_date()
+
     activity = %{
       "type" => "Create",
-      "to" => [
-        User.ap_followers(user),
-        "https://www.w3.org/ns/activitystreams#Public"
-      ],
-      "actor" => User.ap_id(user),
+      "to" => to,
+      "actor" => user.ap_id,
       "object" => %{
         "type" => "Note",
-        "content" => data["status"],
+        "to" => to,
+        "content" => content_html,
         "published" => date,
-        "context" => context
+        "context" => context,
+        "attachment" => attachments
       },
       "published" => date,
       "context" => context
@@ -31,7 +48,11 @@ defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
                     inReplyTo <- Repo.get(Activity, inReplyToId),
                     context <- inReplyTo.data["context"]
                do
+
+               to = activity["to"] ++ [inReplyTo.data["actor"]]
+
                activity
+               |> put_in(["to"], to)
                |> put_in(["context"], context)
                |> put_in(["object", "context"], context)
                |> put_in(["object", "inReplyTo"], inReplyTo.data["object"]["id"])
@@ -48,7 +69,7 @@ defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
   end
 
   def fetch_friend_statuses(user, opts \\ %{}) do
-    ActivityPub.fetch_activities(user.following, opts)
+    ActivityPub.fetch_activities([user.ap_id | user.following], opts)
     |> activities_to_statuses(%{for: user})
   end
 
@@ -69,7 +90,7 @@ defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
     do
       statuses
     else e ->
-        IO.inspect(e)
+      IO.inspect(e)
       []
     end
   end
@@ -80,11 +101,31 @@ defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
     end
   end
 
-  def follow(%User{} = follower, followed_id) do
+  def follow(%User{} = follower, %{ "user_id" => followed_id }) do
     with %User{} = followed <- Repo.get(User, followed_id),
-         { :ok, follower } <- User.follow(follower, followed)
+         { :ok, follower } <- User.follow(follower, followed),
+         { :ok, activity } <- ActivityPub.insert(%{
+           "type" => "Follow",
+           "actor" => follower.ap_id,
+           "object" => followed.ap_id,
+           "published" => make_date()
+         })
     do
-      { :ok, follower, followed }
+      { :ok, follower, followed, activity }
+    end
+  end
+
+  def follow(%User{} = follower, %{ "screen_name" => followed_name }) do
+    with %User{} = followed <- Repo.get_by(User, nickname: followed_name),
+         { :ok, follower } <- User.follow(follower, followed),
+         { :ok, activity } <- ActivityPub.insert(%{
+               "type" => "Follow",
+               "actor" => follower.ap_id,
+               "object" => followed.ap_id,
+               "published" => make_date()
+                                                 })
+      do
+      { :ok, follower, followed, activity }
     end
   end
 
@@ -99,6 +140,10 @@ defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
   def upload(%Plug.Upload{} = file) do
     {:ok, object} = ActivityPub.upload(file)
 
+    url = List.first(object.data["url"])
+    href = url["href"]
+    type = url["mediaType"]
+
     # Fake this as good as possible...
     """
     <?xml version="1.0" encoding="UTF-8"?>
@@ -106,13 +151,28 @@ defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
       <mediaid>#{object.id}</mediaid>
       <media_id>#{object.id}</media_id>
       <media_id_string>#{object.id}</media_id_string>
-      <media_url>#{object.data["href"]}</media_url>
-      <mediaurl>#{object.data["href"]}</mediaurl>
-      <atom:link rel="enclosure" href="#{object.data["href"]}" type="image"></atom:link>
+      <media_url>#{href}</media_url>
+      <mediaurl>#{href}</mediaurl>
+      <atom:link rel="enclosure" href="#{href}" type="#{type}"></atom:link>
     </rsp>
     """
   end
 
+  def parse_mentions(text) do
+    # Modified from https://www.w3.org/TR/html5/forms.html#valid-e-mail-address
+    regex = ~r/@[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@?[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*/
+
+    Regex.scan(regex, text)
+    |> List.flatten
+    |> Enum.uniq
+    |> Enum.map(fn ("@" <> match = full_match) -> {full_match, Repo.get_by(User, nickname: match)} end)
+    |> Enum.filter(fn ({_match, user}) -> user end)
+  end
+
+  def add_user_links(text, mentions) do
+    Enum.reduce(mentions, text, fn ({match, %User{ap_id: ap_id}}, text) -> String.replace(text, match, "<a href='#{ap_id}'>#{match}</a>") end)
+  end
+
   defp add_conversation_id(activity) do
     if is_integer(activity.data["statusnetConversationId"]) do
       {:ok, activity}
@@ -135,6 +195,11 @@ defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
   defp activity_to_status(activity, opts) do
     actor = get_in(activity.data, ["actor"])
     user = Repo.get_by!(User, ap_id: actor)
-    ActivityRepresenter.to_map(activity, Map.merge(opts, %{user: user}))
+    mentioned_users = Repo.all(from user in User, where: user.ap_id in ^activity.data["to"])
+    ActivityRepresenter.to_map(activity, Map.merge(opts, %{user: user, mentioned: mentioned_users}))
+  end
+
+  defp make_date do
+    DateTime.utc_now() |> DateTime.to_iso8601
   end
 end