1 defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
2 alias Pleroma.{User, Activity, Repo, Object}
3 alias Pleroma.Web.ActivityPub.ActivityPub
4 alias Pleroma.Web.TwitterAPI.Representers.{ActivityRepresenter, UserRepresenter}
8 def to_for_user_and_mentions(user, mentions) do
10 User.ap_followers(user),
11 "https://www.w3.org/ns/activitystreams#Public"
14 default_to ++ Enum.map(mentions, fn ({_, %{ap_id: ap_id}}) -> ap_id end)
17 def format_input(text, mentions) do
18 HtmlSanitizeEx.strip_tags(text)
19 |> String.replace("\n", "<br>")
20 |> add_user_links(mentions)
23 def attachments_from_ids(ids) do
24 Enum.map(ids || [], fn (media_id) ->
25 Repo.get(Object, media_id).data
29 def get_replied_to_activity(id) when not is_nil(id) do
30 Repo.get(Activity, id)
33 def get_replied_to_activity(_), do: nil
35 def create_status(user = %User{}, data = %{"status" => status}) do
36 attachments = attachments_from_ids(data["media_ids"])
37 context = ActivityPub.generate_context_id
38 mentions = parse_mentions(status)
39 content_html = format_input(status, mentions)
40 to = to_for_user_and_mentions(user, mentions)
43 inReplyTo = get_replied_to_activity(data["in_reply_to_status_id"])
46 [to, context, object, additional] =
48 context = inReplyTo.data["context"]
49 to = to ++ [inReplyTo.data["actor"]]
54 "content" => content_html,
57 "attachment" => attachments,
58 "actor" => user.ap_id,
59 "inReplyTo" => inReplyTo.data["object"]["id"],
60 "inReplyToStatusId" => inReplyTo.id,
61 "statusnetConversationId" => inReplyTo.data["statusnetConversationId"]
64 "statusnetConversationId" => inReplyTo.data["statusnetConversationId"]
67 [to, context, object, additional]
72 "content" => content_html,
75 "attachment" => attachments,
78 [to, context, object, %{}]
81 ActivityPub.create(to, user, context, object, additional, data)
84 def fetch_friend_statuses(user, opts \\ %{}) do
85 ActivityPub.fetch_activities([user.ap_id | user.following], opts)
86 |> activities_to_statuses(%{for: user})
89 def fetch_public_statuses(user, opts \\ %{}) do
90 ActivityPub.fetch_public_activities(opts)
91 |> activities_to_statuses(%{for: user})
94 def fetch_user_statuses(user, opts \\ %{}) do
95 ActivityPub.fetch_activities([], opts)
96 |> activities_to_statuses(%{for: user})
99 def fetch_mentions(user, opts \\ %{}) do
100 ActivityPub.fetch_activities([user.ap_id], opts)
101 |> activities_to_statuses(%{for: user})
104 def fetch_conversation(user, id) do
105 query = from activity in Activity,
106 where: fragment("? @> ?", activity.data, ^%{ statusnetConversationId: id}),
109 with %Activity{} = activity <- Repo.one(query),
110 context <- activity.data["context"],
111 activities <- ActivityPub.fetch_activities_for_context(context),
112 statuses <- activities |> activities_to_statuses(%{for: user})
121 def fetch_status(user, id) do
122 with %Activity{} = activity <- Repo.get(Activity, id) do
123 activity_to_status(activity, %{for: user})
127 def follow(%User{} = follower, params) do
128 with { :ok, %User{} = followed } <- get_user(params),
129 { :ok, follower } <- User.follow(follower, followed),
130 { :ok, activity } <- ActivityPub.insert(%{
132 "actor" => follower.ap_id,
133 "object" => followed.ap_id,
134 "published" => make_date()
137 { :ok, follower, followed, activity }
143 def unfollow(%User{} = follower, params) do
144 with { :ok, %User{} = unfollowed } <- get_user(params),
145 { :ok, follower } <- User.unfollow(follower, unfollowed)
147 { :ok, follower, unfollowed}
153 def favorite(%User{} = user, %Activity{data: %{"object" => object}} = activity) do
154 object = Object.get_by_ap_id(object["id"])
156 {:ok, _like_activity, object} = ActivityPub.like(user, object)
157 new_data = activity.data
158 |> Map.put("object", object.data)
160 status = %{activity | data: new_data}
161 |> activity_to_status(%{for: user})
166 def unfavorite(%User{} = user, %Activity{data: %{"object" => object}} = activity) do
167 object = Object.get_by_ap_id(object["id"])
169 {:ok, object} = ActivityPub.unlike(user, object)
170 new_data = activity.data
171 |> Map.put("object", object.data)
173 status = %{activity | data: new_data}
174 |> activity_to_status(%{for: user})
179 def retweet(%User{} = user, %Activity{data: %{"object" => object}} = activity) do
180 object = Object.get_by_ap_id(object["id"])
182 {:ok, _announce_activity, object} = ActivityPub.announce(user, object)
183 new_data = activity.data
184 |> Map.put("object", object.data)
186 status = %{activity | data: new_data}
187 |> activity_to_status(%{for: user})
192 def upload(%Plug.Upload{} = file, format \\ "xml") do
193 {:ok, object} = ActivityPub.upload(file)
195 url = List.first(object.data["url"])
197 type = url["mediaType"]
201 # Fake this as good as possible...
203 <?xml version="1.0" encoding="UTF-8"?>
204 <rsp stat="ok" xmlns:atom="http://www.w3.org/2005/Atom">
205 <mediaid>#{object.id}</mediaid>
206 <media_id>#{object.id}</media_id>
207 <media_id_string>#{object.id}</media_id_string>
208 <media_url>#{href}</media_url>
209 <mediaurl>#{href}</mediaurl>
210 <atom:link rel="enclosure" href="#{href}" type="#{type}"></atom:link>
216 media_id_string: "#{object.id}}",
223 def parse_mentions(text) do
224 # Modified from https://www.w3.org/TR/html5/forms.html#valid-e-mail-address
225 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])?)*/
227 Regex.scan(regex, text)
230 |> Enum.map(fn ("@" <> match = full_match) -> {full_match, User.get_cached_by_nickname(match)} end)
231 |> Enum.filter(fn ({_match, user}) -> user end)
234 def add_user_links(text, mentions) do
235 Enum.reduce(mentions, text, fn ({match, %User{ap_id: ap_id}}, text) -> String.replace(text, match, "<a href='#{ap_id}'>#{match}</a>") end)
238 def register_user(params) do
240 nickname: params["nickname"],
241 name: params["fullname"],
243 email: params["email"],
244 password: params["password"],
245 password_confirmation: params["confirm"]
248 changeset = User.register_changeset(%User{}, params)
250 with {:ok, user} <- Repo.insert(changeset) do
251 {:ok, UserRepresenter.to_map(user)}
253 {:error, changeset} ->
254 errors = Ecto.Changeset.traverse_errors(changeset, fn {msg, _opts} -> msg end)
256 {:error, %{error: errors}}
260 def get_user(user \\ nil, params) do
262 %{ "user_id" => user_id } ->
263 case target = Repo.get(User, user_id) do
265 {:error, "No user with such user_id"}
269 %{ "screen_name" => nickname } ->
270 case target = Repo.get_by(User, nickname: nickname) do
272 {:error, "No user with such screen_name"}
280 {:error, "You need to specify screen_name or user_id"}
285 defp activities_to_statuses(activities, opts) do
286 Enum.map(activities, fn(activity) ->
287 activity_to_status(activity, opts)
291 # For likes, fetch the liked activity, too.
292 defp activity_to_status(%Activity{data: %{"type" => "Like"}} = activity, opts) do
293 actor = get_in(activity.data, ["actor"])
294 user = User.get_cached_by_ap_id(actor)
295 [liked_activity] = Activity.all_by_object_ap_id(activity.data["object"])
297 ActivityRepresenter.to_map(activity, Map.merge(opts, %{user: user, liked_activity: liked_activity}))
300 # For announces, fetch the announced activity and the user.
301 defp activity_to_status(%Activity{data: %{"type" => "Announce"}} = activity, opts) do
302 actor = get_in(activity.data, ["actor"])
303 user = User.get_cached_by_ap_id(actor)
304 [announced_activity] = Activity.all_by_object_ap_id(activity.data["object"])
305 announced_actor = User.get_cached_by_ap_id(announced_activity.data["actor"])
307 ActivityRepresenter.to_map(activity, Map.merge(opts, %{users: [user, announced_actor], announced_activity: announced_activity}))
310 defp activity_to_status(activity, opts) do
311 actor = get_in(activity.data, ["actor"])
312 user = User.get_cached_by_ap_id(actor)
313 # mentioned_users = Repo.all(from user in User, where: user.ap_id in ^activity.data["to"])
314 mentioned_users = Enum.map(activity.data["to"] || [], fn (ap_id) ->
315 User.get_cached_by_ap_id(ap_id)
317 |> Enum.filter(&(&1))
319 ActivityRepresenter.to_map(activity, Map.merge(opts, %{user: user, mentioned: mentioned_users}))
323 DateTime.utc_now() |> DateTime.to_iso8601