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# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.UserView do
use Pleroma.Web, :view
alias Pleroma.Keys
alias Pleroma.Repo
alias Pleroma.User
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.ActivityPub.Transmogrifier
alias Pleroma.Web.ActivityPub.Utils
alias Pleroma.Web.Endpoint
alias Pleroma.Web.Router.Helpers
import Ecto.Query
def render("endpoints.json", %{user: %User{nickname: nil, local: true} = _user}) do
%{"sharedInbox" => Helpers.activity_pub_url(Endpoint, :inbox)}
end
def render("endpoints.json", %{user: %User{local: true} = _user}) do
%{
"oauthAuthorizationEndpoint" => Helpers.o_auth_url(Endpoint, :authorize),
"oauthRegistrationEndpoint" => Helpers.mastodon_api_url(Endpoint, :create_app),
"oauthTokenEndpoint" => Helpers.o_auth_url(Endpoint, :token_exchange),
"sharedInbox" => Helpers.activity_pub_url(Endpoint, :inbox)
}
end
def render("endpoints.json", _), do: %{}
# the instance itself is not a Person, but instead an Application
def render("user.json", %{user: %{nickname: nil} = user}) do
{:ok, user} = User.ensure_keys_present(user)
{:ok, _, public_key} = Keys.keys_from_pem(user.info.keys)
public_key = :public_key.pem_entry_encode(:SubjectPublicKeyInfo, public_key)
public_key = :public_key.pem_encode([public_key])
endpoints = render("endpoints.json", %{user: user})
%{
"id" => user.ap_id,
"type" => "Application",
"following" => "#{user.ap_id}/following",
"followers" => "#{user.ap_id}/followers",
"inbox" => "#{user.ap_id}/inbox",
"name" => "Pleroma",
"summary" => "Virtual actor for Pleroma relay",
"url" => user.ap_id,
"manuallyApprovesFollowers" => false,
"publicKey" => %{
"id" => "#{user.ap_id}#main-key",
"owner" => user.ap_id,
"publicKeyPem" => public_key
},
"endpoints" => endpoints
}
|> Map.merge(Utils.make_json_ld_header())
end
def render("user.json", %{user: user}) do
{:ok, user} = User.ensure_keys_present(user)
{:ok, _, public_key} = Keys.keys_from_pem(user.info.keys)
public_key = :public_key.pem_entry_encode(:SubjectPublicKeyInfo, public_key)
public_key = :public_key.pem_encode([public_key])
endpoints = render("endpoints.json", %{user: user})
user_tags =
user
|> Transmogrifier.add_emoji_tags()
|> Map.get("tag", [])
%{
"id" => user.ap_id,
"type" => "Person",
"following" => "#{user.ap_id}/following",
"followers" => "#{user.ap_id}/followers",
"inbox" => "#{user.ap_id}/inbox",
"outbox" => "#{user.ap_id}/outbox",
"preferredUsername" => user.nickname,
"name" => user.name,
"summary" => user.bio,
"url" => user.ap_id,
"manuallyApprovesFollowers" => user.info.locked,
"publicKey" => %{
"id" => "#{user.ap_id}#main-key",
"owner" => user.ap_id,
"publicKeyPem" => public_key
},
"endpoints" => endpoints,
"tag" => (user.info.source_data["tag"] || []) ++ user_tags
}
|> Map.merge(maybe_make_image(&User.avatar_url/2, "icon", user))
|> Map.merge(maybe_make_image(&User.banner_url/2, "image", user))
|> Map.merge(Utils.make_json_ld_header())
end
def render("following.json", %{user: user, page: page}) do
query = User.get_friends_query(user)
query = from(user in query, select: [:ap_id])
following = Repo.all(query)
total =
if !user.info.hide_follows do
length(following)
else
0
end
collection(following, "#{user.ap_id}/following", page, !user.info.hide_follows, total)
|> Map.merge(Utils.make_json_ld_header())
end
def render("following.json", %{user: user}) do
query = User.get_friends_query(user)
query = from(user in query, select: [:ap_id])
following = Repo.all(query)
total =
if !user.info.hide_follows do
length(following)
else
0
end
%{
"id" => "#{user.ap_id}/following",
"type" => "OrderedCollection",
"totalItems" => total,
"first" => collection(following, "#{user.ap_id}/following", 1, !user.info.hide_follows)
}
|> Map.merge(Utils.make_json_ld_header())
end
def render("followers.json", %{user: user, page: page}) do
query = User.get_followers_query(user)
query = from(user in query, select: [:ap_id])
followers = Repo.all(query)
total =
if !user.info.hide_followers do
length(followers)
else
0
end
collection(followers, "#{user.ap_id}/followers", page, !user.info.hide_followers, total)
|> Map.merge(Utils.make_json_ld_header())
end
def render("followers.json", %{user: user}) do
query = User.get_followers_query(user)
query = from(user in query, select: [:ap_id])
followers = Repo.all(query)
total =
if !user.info.hide_followers do
length(followers)
else
0
end
%{
"id" => "#{user.ap_id}/followers",
"type" => "OrderedCollection",
"totalItems" => total,
"first" =>
collection(followers, "#{user.ap_id}/followers", 1, !user.info.hide_followers, total)
}
|> Map.merge(Utils.make_json_ld_header())
end
def render("outbox.json", %{user: user, max_id: max_qid}) do
params = %{
"limit" => "10"
}
params =
if max_qid != nil do
Map.put(params, "max_id", max_qid)
else
params
end
activities = ActivityPub.fetch_user_activities(user, nil, params)
{max_id, min_id, collection} =
if length(activities) > 0 do
{
Enum.at(Enum.reverse(activities), 0).id,
Enum.at(activities, 0).id,
Enum.map(activities, fn act ->
{:ok, data} = Transmogrifier.prepare_outgoing(act.data)
data
end)
}
else
{
0,
0,
[]
}
end
iri = "#{user.ap_id}/outbox"
page = %{
"id" => "#{iri}?max_id=#{max_id}",
"type" => "OrderedCollectionPage",
"partOf" => iri,
"orderedItems" => collection,
"next" => "#{iri}?max_id=#{min_id}"
}
if max_qid == nil do
%{
"id" => iri,
"type" => "OrderedCollection",
"first" => page
}
|> Map.merge(Utils.make_json_ld_header())
else
page |> Map.merge(Utils.make_json_ld_header())
end
end
def render("inbox.json", %{user: user, max_id: max_qid}) do
params = %{
"limit" => "10"
}
params =
if max_qid != nil do
Map.put(params, "max_id", max_qid)
else
params
end
activities = ActivityPub.fetch_activities([user.ap_id | user.following], params)
min_id = Enum.at(Enum.reverse(activities), 0).id
max_id = Enum.at(activities, 0).id
collection =
Enum.map(activities, fn act ->
{:ok, data} = Transmogrifier.prepare_outgoing(act.data)
data
end)
iri = "#{user.ap_id}/inbox"
page = %{
"id" => "#{iri}?max_id=#{max_id}",
"type" => "OrderedCollectionPage",
"partOf" => iri,
"orderedItems" => collection,
"next" => "#{iri}?max_id=#{min_id}"
}
if max_qid == nil do
%{
"id" => iri,
"type" => "OrderedCollection",
"first" => page
}
|> Map.merge(Utils.make_json_ld_header())
else
page |> Map.merge(Utils.make_json_ld_header())
end
end
def collection(collection, iri, page, show_items \\ true, total \\ nil) do
offset = (page - 1) * 10
items = Enum.slice(collection, offset, 10)
items = Enum.map(items, fn user -> user.ap_id end)
total = total || length(collection)
map = %{
"id" => "#{iri}?page=#{page}",
"type" => "OrderedCollectionPage",
"partOf" => iri,
"totalItems" => total,
"orderedItems" => if(show_items, do: items, else: [])
}
if offset < total do
Map.put(map, "next", "#{iri}?page=#{page + 1}")
else
map
end
end
defp maybe_make_image(func, key, user) do
if image = func.(user, no_default: true) do
%{
key => %{
"type" => "Image",
"url" => image
}
}
else
%{}
end
end
end
|
