distraction.party/lib/pleroma/web/twitter_api/twitter_api.ex

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Elixir
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defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
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alias Pleroma.{User, Activity, Repo, Object}
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alias Pleroma.Web.ActivityPub.ActivityPub
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alias Pleroma.Web.TwitterAPI.Representers.ActivityRepresenter
alias Pleroma.Web.TwitterAPI.UserView
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alias Pleroma.Web.{OStatus, CommonAPI}
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alias Pleroma.Formatter
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import Pleroma.Web.TwitterAPI.Utils
@httpoison Application.get_env(:pleroma, :httpoison)
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def to_for_user_and_mentions(user, mentions, inReplyTo) do
default_to = [
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user.follower_address,
"https://www.w3.org/ns/activitystreams#Public"
]
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to = default_to ++ Enum.map(mentions, fn ({_, %{ap_id: ap_id}}) -> ap_id end)
if inReplyTo do
Enum.uniq([inReplyTo.data["actor"] | to])
else
to
end
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end
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def get_replied_to_activity(id) when not is_nil(id) do
Repo.get(Activity, id)
end
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def get_replied_to_activity(_), do: nil
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def create_status(%User{} = user, %{"status" => status} = data) do
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with attachments <- attachments_from_ids(data["media_ids"]),
mentions <- Formatter.parse_mentions(status),
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inReplyTo <- get_replied_to_activity(data["in_reply_to_status_id"]),
to <- to_for_user_and_mentions(user, mentions, inReplyTo),
content_html <- make_content_html(status, mentions, attachments),
context <- make_context(inReplyTo),
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tags <- Formatter.parse_tags(status),
object <- make_note_data(user.ap_id, to, context, content_html, attachments, inReplyTo, tags) do
res = ActivityPub.create(to, user, context, object)
User.update_note_count(user)
res
end
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end
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def fetch_friend_statuses(user, opts \\ %{}) do
ActivityPub.fetch_activities([user.ap_id | user.following], opts)
|> activities_to_statuses(%{for: user})
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end
def fetch_public_statuses(user, opts \\ %{}) do
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opts = Map.put(opts, "local_only", true)
ActivityPub.fetch_public_activities(opts)
|> activities_to_statuses(%{for: user})
end
def fetch_public_and_external_statuses(user, opts \\ %{}) do
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ActivityPub.fetch_public_activities(opts)
|> activities_to_statuses(%{for: user})
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end
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def fetch_user_statuses(user, opts \\ %{}) do
ActivityPub.fetch_activities([], opts)
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|> activities_to_statuses(%{for: user})
end
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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
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else _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
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def follow(%User{} = follower, params) do
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with {:ok, %User{} = followed} <- get_user(params),
{:ok, follower} <- User.follow(follower, followed),
{:ok, activity} <- ActivityPub.follow(follower, followed)
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do
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{:ok, follower, followed, activity}
else
err -> err
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end
end
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def unfollow(%User{} = follower, params) do
with { :ok, %User{} = unfollowed } <- get_user(params),
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{ :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
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"published" => make_date()
})
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do
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{ :ok, follower, unfollowed }
else
err -> err
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end
end
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def repeat(%User{} = user, ap_id_or_id) do
with {:ok, _announce, %{data: %{"id" => id}}} = CommonAPI.repeat(ap_id_or_id, user),
%Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id),
status <- activity_to_status(activity, %{for: user}) do
{:ok, status}
end
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end
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def fav(%User{} = user, ap_id_or_id) do
with {:ok, _announce, %{data: %{"id" => id}}} = CommonAPI.favorite(ap_id_or_id, user),
%Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id),
status <- activity_to_status(activity, %{for: user}) do
{:ok, status}
end
end
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def unfav(%User{} = user, ap_id_or_id) do
with {:ok, %{data: %{"id" => id}}} = CommonAPI.unfavorite(ap_id_or_id, user),
%Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id),
status <- activity_to_status(activity, %{for: user}) do
{:ok, status}
end
end
def upload(%Plug.Upload{} = file, format \\ "xml") do
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{:ok, object} = ActivityPub.upload(file)
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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
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end
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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
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{:ok, user}
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else
{:error, changeset} ->
errors = Ecto.Changeset.traverse_errors(changeset, fn {msg, _opts} -> msg end)
|> Poison.encode!
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{:error, %{error: errors}}
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end
end
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def get_by_id_or_nickname(id_or_nickname) do
if !is_integer(id_or_nickname) && :error == Integer.parse(id_or_nickname) do
Repo.get_by(User, nickname: id_or_nickname)
else
Repo.get(User, id_or_nickname)
end
end
def get_user(user \\ nil, params) do
case params do
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%{"user_id" => user_id} ->
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case target = get_by_id_or_nickname(user_id) do
nil ->
{:error, "No user with such user_id"}
_ ->
{:ok, target}
end
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%{"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
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{:error, "You need to specify screen_name or user_id"}
end
end
end
defp activities_to_statuses(activities, opts) do
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Enum.map(activities, fn(activity) ->
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activity_to_status(activity, opts)
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end)
end
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# 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)
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[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
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# 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{data: %{"type" => "Delete"}} = activity, opts) do
actor = get_in(activity.data, ["actor"])
user = User.get_cached_by_ap_id(actor)
ActivityRepresenter.to_map(activity, Map.merge(opts, %{user: user}))
end
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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"])
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mentioned_users = Enum.map(activity.data["to"] || [], fn (ap_id) ->
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if ap_id do
User.get_cached_by_ap_id(ap_id)
else
nil
end
end)
|> Enum.filter(&(&1))
ActivityRepresenter.to_map(activity, Map.merge(opts, %{user: user, mentioned: mentioned_users}))
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end
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defp make_date do
DateTime.utc_now() |> DateTime.to_iso8601
end
def context_to_conversation_id(context) do
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with %Object{id: id} <- Object.get_cached_by_ap_id(context) do
id
else _e ->
changeset = Object.context_mapping(context)
case Repo.insert(changeset) do
{:ok, %{id: id}} -> id
# This should be solved by an upsert, but it seems ecto
# has problems accessing the constraint inside the jsonb.
{:error, _} -> Object.get_cached_by_ap_id(context).id
end
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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
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def get_external_profile(for_user, uri) do
with {:ok, %User{} = user} <- OStatus.find_or_make_user(uri) do
with url <- user.info["topic"],
{:ok, %{body: body}} <- @httpoison.get(url, [], follow_redirect: true, timeout: 10000, recv_timeout: 20000) do
OStatus.handle_incoming(body)
end
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{:ok, UserView.render("show.json", %{user: user, for: for_user})}
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else _e ->
{:error, "Couldn't find user"}
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end
end
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end