# Pleroma: A lightweight social networking server # Copyright © 2017-2021 Pleroma Authors # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.UserView do use Pleroma.Web, :view alias Pleroma.Keys alias Pleroma.Object alias Pleroma.Repo alias Pleroma.User alias Pleroma.Web.ActivityPub.ObjectView 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.app_url(Endpoint, :create), "oauthTokenEndpoint" => Helpers.o_auth_url(Endpoint, :token_exchange), "sharedInbox" => Helpers.activity_pub_url(Endpoint, :inbox), "uploadMedia" => Helpers.activity_pub_url(Endpoint, :upload_media) } end def render("endpoints.json", _), do: %{} def render("service.json", %{user: user}) do {:ok, user} = User.ensure_keys_present(user) {:ok, _, public_key} = Keys.keys_from_pem(user.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" => "An internal service actor for this Pleroma instance. No user-serviceable parts inside.", "url" => user.ap_id, "manuallyApprovesFollowers" => false, "publicKey" => %{ "id" => "#{user.ap_id}#main-key", "owner" => user.ap_id, "publicKeyPem" => public_key }, "endpoints" => endpoints, "invisible" => User.invisible?(user) } |> Map.merge(Utils.make_json_ld_header()) end # the instance itself is not a Person, but instead an Application def render("user.json", %{user: %User{nickname: nil} = user}), do: render("service.json", %{user: user}) def render("user.json", %{user: %User{nickname: "internal." <> _} = user}), do: render("service.json", %{user: user}) |> Map.put("preferredUsername", user.nickname) def render("user.json", %{user: user}) do {:ok, user} = User.ensure_keys_present(user) {:ok, _, public_key} = Keys.keys_from_pem(user.keys) public_key = :public_key.pem_entry_encode(:SubjectPublicKeyInfo, public_key) public_key = :public_key.pem_encode([public_key]) user = User.sanitize_html(user) endpoints = render("endpoints.json", %{user: user}) emoji_tags = Transmogrifier.take_emoji_tags(user) fields = Enum.map(user.fields, &Map.put(&1, "type", "PropertyValue")) capabilities = if is_boolean(user.accepts_chat_messages) do %{ "acceptsChatMessages" => user.accepts_chat_messages } else %{} end birth_date = if !user.hide_birth_date, do: user.birth_date, else: nil %{ "id" => user.ap_id, "type" => user.actor_type, "following" => "#{user.ap_id}/following", "followers" => "#{user.ap_id}/followers", "inbox" => "#{user.ap_id}/inbox", "outbox" => "#{user.ap_id}/outbox", "featured" => "#{user.ap_id}/collections/featured", "preferredUsername" => user.nickname, "name" => user.name, "summary" => user.bio, "url" => user.ap_id, "manuallyApprovesFollowers" => user.is_locked, "publicKey" => %{ "id" => "#{user.ap_id}#main-key", "owner" => user.ap_id, "publicKeyPem" => public_key }, "endpoints" => endpoints, "attachment" => fields, "tag" => emoji_tags, # Note: key name is indeed "discoverable" (not an error) "discoverable" => user.is_discoverable, "capabilities" => capabilities, "alsoKnownAs" => user.also_known_as, "vcard:bday" => birth_date } |> 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} = opts) do showing_items = (opts[:for] && opts[:for] == user) || !user.hide_follows showing_count = showing_items || !user.hide_follows_count query = User.get_friends_query(user) query = from(user in query, select: [:ap_id]) following = Repo.all(query) total = if showing_count do length(following) else 0 end collection(following, "#{user.ap_id}/following", page, showing_items, total) |> Map.merge(Utils.make_json_ld_header()) end def render("following.json", %{user: user} = opts) do showing_items = (opts[:for] && opts[:for] == user) || !user.hide_follows showing_count = showing_items || !user.hide_follows_count query = User.get_friends_query(user) query = from(user in query, select: [:ap_id]) following = Repo.all(query) total = if showing_count do length(following) else 0 end %{ "id" => "#{user.ap_id}/following", "type" => "OrderedCollection", "totalItems" => total, "first" => if showing_items do collection(following, "#{user.ap_id}/following", 1, !user.hide_follows) else "#{user.ap_id}/following?page=1" end } |> Map.merge(Utils.make_json_ld_header()) end def render("followers.json", %{user: user, page: page} = opts) do showing_items = (opts[:for] && opts[:for] == user) || !user.hide_followers showing_count = showing_items || !user.hide_followers_count query = User.get_followers_query(user) query = from(user in query, select: [:ap_id]) followers = Repo.all(query) total = if showing_count do length(followers) else 0 end collection(followers, "#{user.ap_id}/followers", page, showing_items, total) |> Map.merge(Utils.make_json_ld_header()) end def render("followers.json", %{user: user} = opts) do showing_items = (opts[:for] && opts[:for] == user) || !user.hide_followers showing_count = showing_items || !user.hide_followers_count query = User.get_followers_query(user) query = from(user in query, select: [:ap_id]) followers = Repo.all(query) total = if showing_count do length(followers) else 0 end %{ "id" => "#{user.ap_id}/followers", "type" => "OrderedCollection", "first" => if showing_items do collection(followers, "#{user.ap_id}/followers", 1, showing_items, total) else "#{user.ap_id}/followers?page=1" end } |> maybe_put_total_items(showing_count, total) |> Map.merge(Utils.make_json_ld_header()) end def render("activity_collection.json", %{iri: iri}) do %{ "id" => iri, "type" => "OrderedCollection", "first" => "#{iri}?page=true" } |> Map.merge(Utils.make_json_ld_header()) end def render("activity_collection_page.json", %{ activities: activities, iri: iri, pagination: pagination }) do collection = Enum.map(activities, fn activity -> {:ok, data} = Transmogrifier.prepare_outgoing(activity.data) data end) %{ "type" => "OrderedCollectionPage", "partOf" => iri, "orderedItems" => collection } |> Map.merge(Utils.make_json_ld_header()) |> Map.merge(pagination) end def render("featured.json", %{ user: %{featured_address: featured_address, pinned_objects: pinned_objects} }) do objects = pinned_objects |> Enum.sort_by(fn {_, pinned_at} -> pinned_at end, &>=/2) |> Enum.map(fn {id, _} -> ObjectView.render("object.json", %{object: Object.get_cached_by_ap_id(id)}) end) %{ "id" => featured_address, "type" => "OrderedCollection", "orderedItems" => objects, "totalItems" => length(objects) } |> Map.merge(Utils.make_json_ld_header()) end defp maybe_put_total_items(map, false, _total), do: map defp maybe_put_total_items(map, true, total) do Map.put(map, "totalItems", total) 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