defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
- alias Pleroma.User
+ alias Pleroma.{User, Activity, Repo, Object}
alias Pleroma.Web.ActivityPub.ActivityPub
- alias Pleroma.Repo
- alias Pleroma.Web.TwitterAPI.Representers.ActivityRepresenter
-
- def create_status(user = %User{}, data = %{}) do
- date = DateTime.utc_now() |> DateTime.to_iso8601
- activity = %{
- "type" => "Create",
- "to" => [
- User.ap_followers(user),
- "https://www.w3.org/ns/activitystreams#Public"
- ],
- "actor" => User.ap_id(user),
- "object" => %{
+ alias Pleroma.Web.TwitterAPI.Representers.{ActivityRepresenter, UserRepresenter}
+
+ import Ecto.Query
+
+ def to_for_user_and_mentions(user, mentions) do
+ default_to = [
+ User.ap_followers(user),
+ "https://www.w3.org/ns/activitystreams#Public"
+ ]
+
+ default_to ++ Enum.map(mentions, fn ({_, %{ap_id: ap_id}}) -> ap_id end)
+ end
+
+ def format_input(text, mentions) do
+ HtmlSanitizeEx.strip_tags(text)
+ |> String.replace("\n", "<br>")
+ |> add_user_links(mentions)
+ end
+
+ def attachments_from_ids(ids) do
+ Enum.map(ids || [], fn (media_id) ->
+ Repo.get(Object, media_id).data
+ end)
+ end
+
+ def get_replied_to_activity(id) when not is_nil(id) do
+ Repo.get(Activity, id)
+ end
+
+ def get_replied_to_activity(_), do: nil
+
+ def add_attachments(text, attachments) do
+ attachment_text = Enum.map(attachments, fn
+ (%{"url" => [%{"href" => href} | _]}) ->
+ "<a href='#{href}'>#{href}</a>"
+ _ -> ""
+ end)
+ Enum.join([text | attachment_text], "<br>")
+ end
+
+ def create_status(%User{} = user, %{"status" => status} = data) do
+ attachments = attachments_from_ids(data["media_ids"])
+ context = ActivityPub.generate_context_id
+ mentions = parse_mentions(status)
+ content_html = status
+ |> format_input(mentions)
+ |> add_attachments(attachments)
+
+ to = to_for_user_and_mentions(user, mentions)
+ date = make_date()
+
+ inReplyTo = get_replied_to_activity(data["in_reply_to_status_id"])
+
+ # Wire up reply info.
+ [to, context, object, additional] =
+ if inReplyTo do
+ context = inReplyTo.data["context"]
+ to = to ++ [inReplyTo.data["actor"]]
+
+ object = %{
"type" => "Note",
- "content" => data["status"],
- "published" => date
- },
- "published" => date
- }
+ "to" => to,
+ "content" => content_html,
+ "published" => date,
+ "context" => context,
+ "attachment" => attachments,
+ "actor" => user.ap_id,
+ "inReplyTo" => inReplyTo.data["object"]["id"],
+ "inReplyToStatusId" => inReplyTo.id,
+ }
+ additional = %{}
+
+ [to, context, object, additional]
+ else
+ object = %{
+ "type" => "Note",
+ "to" => to,
+ "content" => content_html,
+ "published" => date,
+ "context" => context,
+ "attachment" => attachments,
+ "actor" => user.ap_id
+ }
+ [to, context, object, %{}]
+ end
- ActivityPub.insert(activity)
+ ActivityPub.create(to, user, context, object, additional, data)
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
def fetch_public_statuses(user, opts \\ %{}) do
+ opts = Map.put(opts, "local_only", true)
ActivityPub.fetch_public_activities(opts)
|> activities_to_statuses(%{for: user})
end
- def follow(%User{} = follower, followed_id) do
- with %User{} = followed <- Repo.get(User, followed_id),
- { :ok, follower } <- User.follow(follower, followed)
+ def fetch_public_and_external_statuses(user, opts \\ %{}) do
+ ActivityPub.fetch_public_activities(opts)
+ |> activities_to_statuses(%{for: user})
+ end
+
+ def fetch_user_statuses(user, opts \\ %{}) do
+ ActivityPub.fetch_activities([], opts)
+ |> activities_to_statuses(%{for: user})
+ end
+
+ def fetch_mentions(user, opts \\ %{}) do
+ ActivityPub.fetch_activities([user.ap_id], opts)
+ |> activities_to_statuses(%{for: user})
+ end
+
+ def fetch_conversation(user, id) do
+ with context when is_binary(context) <- conversation_id_to_context(id),
+ activities <- ActivityPub.fetch_activities_for_context(context),
+ statuses <- activities |> activities_to_statuses(%{for: user})
do
- { :ok, follower, followed }
+ statuses
+ else _e ->
+ []
end
end
- def unfollow(%User{} = follower, followed_id) do
- with %User{} = followed <- Repo.get(User, followed_id),
- { :ok, follower } <- User.unfollow(follower, followed)
+ def fetch_status(user, id) do
+ with %Activity{} = activity <- Repo.get(Activity, id) do
+ activity_to_status(activity, %{for: user})
+ end
+ end
+
+ def follow(%User{} = follower, params) do
+ with {:ok, %User{} = followed} <- get_user(params),
+ {:ok, follower} <- User.follow(follower, followed),
+ {:ok, activity} <- ActivityPub.follow(follower, followed)
+ do
+ {:ok, follower, followed, activity}
+ else
+ err -> err
+ end
+ end
+
+ def unfollow(%User{} = follower, params) do
+ with { :ok, %User{} = unfollowed } <- get_user(params),
+ { :ok, follower, follow_activity } <- User.unfollow(follower, unfollowed),
+ { :ok, _activity } <- ActivityPub.insert(%{
+ "type" => "Undo",
+ "actor" => follower.ap_id,
+ "object" => follow_activity.data["id"], # get latest Follow for these users
+ "published" => make_date()
+ })
do
- { :ok, follower, followed }
+ { :ok, follower, unfollowed }
+ else
+ err -> err
+ end
+ end
+
+ def favorite(%User{} = user, %Activity{data: %{"object" => object}} = activity) do
+ object = Object.get_by_ap_id(object["id"])
+
+ {:ok, _like_activity, object} = ActivityPub.like(user, object)
+ new_data = activity.data
+ |> Map.put("object", object.data)
+
+ status = %{activity | data: new_data}
+ |> activity_to_status(%{for: user})
+
+ {:ok, status}
+ end
+
+ def unfavorite(%User{} = user, %Activity{data: %{"object" => object}} = activity) do
+ object = Object.get_by_ap_id(object["id"])
+
+ {:ok, object} = ActivityPub.unlike(user, object)
+ new_data = activity.data
+ |> Map.put("object", object.data)
+
+ status = %{activity | data: new_data}
+ |> activity_to_status(%{for: user})
+
+ {:ok, status}
+ end
+
+ def retweet(%User{} = user, %Activity{data: %{"object" => object}} = activity) do
+ object = Object.get_by_ap_id(object["id"])
+
+ {:ok, _announce_activity, object} = ActivityPub.announce(user, object)
+ new_data = activity.data
+ |> Map.put("object", object.data)
+
+ status = %{activity | data: new_data}
+ |> activity_to_status(%{for: user})
+
+ {:ok, status}
+ end
+
+ def upload(%Plug.Upload{} = file, format \\ "xml") do
+ {:ok, object} = ActivityPub.upload(file)
+
+ url = List.first(object.data["url"])
+ href = url["href"]
+ type = url["mediaType"]
+
+ case format do
+ "xml" ->
+ # Fake this as good as possible...
+ """
+ <?xml version="1.0" encoding="UTF-8"?>
+ <rsp stat="ok" xmlns:atom="http://www.w3.org/2005/Atom">
+ <mediaid>#{object.id}</mediaid>
+ <media_id>#{object.id}</media_id>
+ <media_id_string>#{object.id}</media_id_string>
+ <media_url>#{href}</media_url>
+ <mediaurl>#{href}</mediaurl>
+ <atom:link rel="enclosure" href="#{href}" type="#{type}"></atom:link>
+ </rsp>
+ """
+ "json" ->
+ %{
+ media_id: object.id,
+ media_id_string: "#{object.id}}",
+ media_url: href,
+ size: 0
+ } |> Poison.encode!
+ end
+ 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, User.get_cached_by_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
+
+ def register_user(params) do
+ params = %{
+ nickname: params["nickname"],
+ name: params["fullname"],
+ bio: params["bio"],
+ email: params["email"],
+ password: params["password"],
+ password_confirmation: params["confirm"]
+ }
+
+ changeset = User.register_changeset(%User{}, params)
+
+ with {:ok, user} <- Repo.insert(changeset) do
+ {:ok, UserRepresenter.to_map(user)}
+ else
+ {:error, changeset} ->
+ errors = Ecto.Changeset.traverse_errors(changeset, fn {msg, _opts} -> msg end)
+ |> Poison.encode!
+ {:error, %{error: errors}}
+ end
+ end
+
+ def get_user(user \\ nil, params) do
+ case params do
+ %{"user_id" => user_id} ->
+ case target = Repo.get(User, user_id) do
+ nil ->
+ {:error, "No user with such user_id"}
+ _ ->
+ {:ok, target}
+ end
+ %{"screen_name" => nickname} ->
+ case target = Repo.get_by(User, nickname: nickname) do
+ nil ->
+ {:error, "No user with such screen_name"}
+ _ ->
+ {:ok, target}
+ end
+ _ ->
+ if user do
+ {:ok, user}
+ else
+ {:error, "You need to specify screen_name or user_id"}
+ end
end
end
defp activities_to_statuses(activities, opts) do
Enum.map(activities, fn(activity) ->
- actor = get_in(activity.data, ["actor"])
- user = Repo.get_by!(User, ap_id: actor)
- ActivityRepresenter.to_map(activity, Map.merge(opts, %{user: user}))
+ activity_to_status(activity, opts)
end)
end
+
+ # For likes, fetch the liked activity, too.
+ defp activity_to_status(%Activity{data: %{"type" => "Like"}} = activity, opts) do
+ actor = get_in(activity.data, ["actor"])
+ user = User.get_cached_by_ap_id(actor)
+ [liked_activity] = Activity.all_by_object_ap_id(activity.data["object"])
+
+ ActivityRepresenter.to_map(activity, Map.merge(opts, %{user: user, liked_activity: liked_activity}))
+ end
+
+ # For announces, fetch the announced activity and the user.
+ defp activity_to_status(%Activity{data: %{"type" => "Announce"}} = activity, opts) do
+ actor = get_in(activity.data, ["actor"])
+ user = User.get_cached_by_ap_id(actor)
+ [announced_activity] = Activity.all_by_object_ap_id(activity.data["object"])
+ announced_actor = User.get_cached_by_ap_id(announced_activity.data["actor"])
+
+ ActivityRepresenter.to_map(activity, Map.merge(opts, %{users: [user, announced_actor], announced_activity: announced_activity}))
+ end
+
+ defp activity_to_status(activity, opts) do
+ actor = get_in(activity.data, ["actor"])
+ user = User.get_cached_by_ap_id(actor)
+ # mentioned_users = Repo.all(from user in User, where: user.ap_id in ^activity.data["to"])
+ mentioned_users = Enum.map(activity.data["to"] || [], fn (ap_id) ->
+ User.get_cached_by_ap_id(ap_id)
+ end)
+ |> Enum.filter(&(&1))
+
+ ActivityRepresenter.to_map(activity, Map.merge(opts, %{user: user, mentioned: mentioned_users}))
+ end
+
+ defp make_date do
+ DateTime.utc_now() |> DateTime.to_iso8601
+ end
+
+ def context_to_conversation_id(context) do
+ with %Object{id: id} <- Object.get_cached_by_ap_id(context) do
+ id
+ else _e ->
+ changeset = Object.context_mapping(context)
+ {:ok, %{id: id}} = Repo.insert(changeset)
+ id
+ end
+ end
+
+ def conversation_id_to_context(id) do
+ with %Object{data: %{"id" => context}} <- Repo.get(Object, id) do
+ context
+ else _e ->
+ {:error, "No such conversation"}
+ end
+ end
end
projects / akkoma / blobdiff