1 defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
2 alias Pleroma.{User, Activity, Repo, Object}
3 alias Pleroma.Web.ActivityPub.ActivityPub
4 alias Pleroma.Web.ActivityPub.Utils
5 alias Pleroma.Web.TwitterAPI.Representers.{ActivityRepresenter, UserRepresenter}
6 alias Pleroma.Web.OStatus
7 alias Pleroma.Formatter
10 import Pleroma.Web.TwitterAPI.Utils
12 def to_for_user_and_mentions(user, mentions, inReplyTo) do
14 User.ap_followers(user),
15 "https://www.w3.org/ns/activitystreams#Public"
18 to = default_to ++ Enum.map(mentions, fn ({_, %{ap_id: ap_id}}) -> ap_id end)
20 Enum.uniq([inReplyTo.data["actor"] | to])
26 def get_replied_to_activity(id) when not is_nil(id) do
27 Repo.get(Activity, id)
30 def get_replied_to_activity(_), do: nil
32 def create_status(%User{} = user, %{"status" => status} = data) do
33 with attachments <- attachments_from_ids(data["media_ids"]),
34 mentions <- parse_mentions(status),
35 inReplyTo <- get_replied_to_activity(data["in_reply_to_status_id"]),
36 to <- to_for_user_and_mentions(user, mentions, inReplyTo),
37 content_html <- make_content_html(status, mentions, attachments),
38 context <- make_context(inReplyTo),
39 tags <- Formatter.parse_tags(status),
40 object <- make_note_data(user.ap_id, to, context, content_html, attachments, inReplyTo, tags) do
41 ActivityPub.create(to, user, context, object)
45 def fetch_friend_statuses(user, opts \\ %{}) do
46 ActivityPub.fetch_activities([user.ap_id | user.following], opts)
47 |> activities_to_statuses(%{for: user})
50 def fetch_public_statuses(user, opts \\ %{}) do
51 opts = Map.put(opts, "local_only", true)
52 ActivityPub.fetch_public_activities(opts)
53 |> activities_to_statuses(%{for: user})
56 def fetch_public_and_external_statuses(user, opts \\ %{}) do
57 ActivityPub.fetch_public_activities(opts)
58 |> activities_to_statuses(%{for: user})
61 def fetch_user_statuses(user, opts \\ %{}) do
62 ActivityPub.fetch_activities([], opts)
63 |> activities_to_statuses(%{for: user})
66 def fetch_mentions(user, opts \\ %{}) do
67 ActivityPub.fetch_activities([user.ap_id], opts)
68 |> activities_to_statuses(%{for: user})
71 def fetch_conversation(user, id) do
72 with context when is_binary(context) <- conversation_id_to_context(id),
73 activities <- ActivityPub.fetch_activities_for_context(context),
74 statuses <- activities |> activities_to_statuses(%{for: user})
82 def fetch_status(user, id) do
83 with %Activity{} = activity <- Repo.get(Activity, id) do
84 activity_to_status(activity, %{for: user})
88 def follow(%User{} = follower, params) do
89 with {:ok, %User{} = followed} <- get_user(params),
90 {:ok, follower} <- User.follow(follower, followed),
91 {:ok, activity} <- ActivityPub.follow(follower, followed)
93 {:ok, follower, followed, activity}
99 def unfollow(%User{} = follower, params) do
100 with { :ok, %User{} = unfollowed } <- get_user(params),
101 { :ok, follower, follow_activity } <- User.unfollow(follower, unfollowed),
102 { :ok, _activity } <- ActivityPub.insert(%{
104 "actor" => follower.ap_id,
105 "object" => follow_activity.data["id"], # get latest Follow for these users
106 "published" => make_date()
109 { :ok, follower, unfollowed }
115 def favorite(%User{} = user, %Activity{data: %{"object" => object}} = activity) do
116 object = Object.get_by_ap_id(object["id"])
118 {:ok, _like_activity, object} = ActivityPub.like(user, object)
119 new_data = activity.data
120 |> Map.put("object", object.data)
122 status = %{activity | data: new_data}
123 |> activity_to_status(%{for: user})
128 def unfavorite(%User{} = user, %Activity{data: %{"object" => object}} = activity) do
129 object = Object.get_by_ap_id(object["id"])
131 {:ok, object} = ActivityPub.unlike(user, object)
132 new_data = activity.data
133 |> Map.put("object", object.data)
135 status = %{activity | data: new_data}
136 |> activity_to_status(%{for: user})
141 def retweet(%User{} = user, %Activity{data: %{"object" => object}} = activity) do
142 object = Object.get_by_ap_id(object["id"])
144 {:ok, _announce_activity, object} = ActivityPub.announce(user, object)
145 new_data = activity.data
146 |> Map.put("object", object.data)
148 status = %{activity | data: new_data}
149 |> activity_to_status(%{for: user})
154 def upload(%Plug.Upload{} = file, format \\ "xml") do
155 {:ok, object} = ActivityPub.upload(file)
157 url = List.first(object.data["url"])
159 type = url["mediaType"]
163 # Fake this as good as possible...
165 <?xml version="1.0" encoding="UTF-8"?>
166 <rsp stat="ok" xmlns:atom="http://www.w3.org/2005/Atom">
167 <mediaid>#{object.id}</mediaid>
168 <media_id>#{object.id}</media_id>
169 <media_id_string>#{object.id}</media_id_string>
170 <media_url>#{href}</media_url>
171 <mediaurl>#{href}</mediaurl>
172 <atom:link rel="enclosure" href="#{href}" type="#{type}"></atom:link>
178 media_id_string: "#{object.id}}",
185 def parse_mentions(text) do
186 # Modified from https://www.w3.org/TR/html5/forms.html#valid-e-mail-address
187 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])?)*/
189 Regex.scan(regex, text)
192 |> Enum.map(fn ("@" <> match = full_match) -> {full_match, User.get_cached_by_nickname(match)} end)
193 |> Enum.filter(fn ({_match, user}) -> user end)
196 def register_user(params) do
198 nickname: params["nickname"],
199 name: params["fullname"],
201 email: params["email"],
202 password: params["password"],
203 password_confirmation: params["confirm"]
206 changeset = User.register_changeset(%User{}, params)
208 with {:ok, user} <- Repo.insert(changeset) do
209 {:ok, UserRepresenter.to_map(user)}
211 {:error, changeset} ->
212 errors = Ecto.Changeset.traverse_errors(changeset, fn {msg, _opts} -> msg end)
214 {:error, %{error: errors}}
218 def get_user(user \\ nil, params) do
220 %{"user_id" => user_id} ->
221 case target = Repo.get(User, user_id) do
223 {:error, "No user with such user_id"}
227 %{"screen_name" => nickname} ->
228 case target = Repo.get_by(User, nickname: nickname) do
230 {:error, "No user with such screen_name"}
238 {:error, "You need to specify screen_name or user_id"}
243 defp activities_to_statuses(activities, opts) do
244 Enum.map(activities, fn(activity) ->
245 activity_to_status(activity, opts)
249 # For likes, fetch the liked activity, too.
250 defp activity_to_status(%Activity{data: %{"type" => "Like"}} = activity, opts) do
251 actor = get_in(activity.data, ["actor"])
252 user = User.get_cached_by_ap_id(actor)
253 [liked_activity] = Activity.all_by_object_ap_id(activity.data["object"])
255 ActivityRepresenter.to_map(activity, Map.merge(opts, %{user: user, liked_activity: liked_activity}))
258 # For announces, fetch the announced activity and the user.
259 defp activity_to_status(%Activity{data: %{"type" => "Announce"}} = activity, opts) do
260 actor = get_in(activity.data, ["actor"])
261 user = User.get_cached_by_ap_id(actor)
262 [announced_activity] = Activity.all_by_object_ap_id(activity.data["object"])
263 announced_actor = User.get_cached_by_ap_id(announced_activity.data["actor"])
265 ActivityRepresenter.to_map(activity, Map.merge(opts, %{users: [user, announced_actor], announced_activity: announced_activity}))
268 defp activity_to_status(activity, opts) do
269 actor = get_in(activity.data, ["actor"])
270 user = User.get_cached_by_ap_id(actor)
271 # mentioned_users = Repo.all(from user in User, where: user.ap_id in ^activity.data["to"])
272 mentioned_users = Enum.map(activity.data["to"] || [], fn (ap_id) ->
273 User.get_cached_by_ap_id(ap_id)
275 |> Enum.filter(&(&1))
277 ActivityRepresenter.to_map(activity, Map.merge(opts, %{user: user, mentioned: mentioned_users}))
281 DateTime.utc_now() |> DateTime.to_iso8601
284 def context_to_conversation_id(context) do
285 with %Object{id: id} <- Object.get_cached_by_ap_id(context) do
288 changeset = Object.context_mapping(context)
289 {:ok, %{id: id}} = Repo.insert(changeset)
294 def conversation_id_to_context(id) do
295 with %Object{data: %{"id" => context}} <- Repo.get(Object, id) do
298 {:error, "No such conversation"}
302 def get_external_profile(for_user, uri) do
303 with {:ok, %User{} = user} <- OStatus.find_or_make_user(uri) do
304 {:ok, UserRepresenter.to_map(user, %{for: for_user})}
306 {:error, "Couldn't find user"}