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diff --git a/lib/pleroma/web/twitter_api/twitter_api.ex b/lib/pleroma/web/twitter_api/twitter_api.ex
index 941bacaa9..e6f5fc906 100644
--- a/lib/pleroma/web/twitter_api/twitter_api.ex
+++ b/lib/pleroma/web/twitter_api/twitter_api.ex
@@ -1,338 +1,335 @@
defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
alias Pleroma.{User, Activity, Repo, Object}
alias Pleroma.Web.ActivityPub.ActivityPub
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 create_status(user = %User{}, data = %{"status" => status}) do
attachments = attachments_from_ids(data["media_ids"])
context = ActivityPub.generate_context_id
mentions = parse_mentions(status)
content_html = format_input(status, mentions)
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",
"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.create(to, user, context, object, additional, data)
end
def fetch_friend_statuses(user, opts \\ %{}) do
ActivityPub.fetch_activities([user.ap_id | user.following], opts)
|> activities_to_statuses(%{for: user})
end
def fetch_public_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
statuses
else e ->
IO.inspect(e)
[]
end
end
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.insert(%{
"type" => "Follow",
"actor" => follower.ap_id,
"object" => followed.ap_id,
"published" => make_date()
})
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 } <- User.unfollow(follower, unfollowed)
do
{ :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) ->
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
- {:ok, id} = Repo.transaction(fn ->
- 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)
- id
+ 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

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