git.squeep.com Git - akkoma/blob - lib/pleroma/web/activity_pub/views/user_view.ex

   1 defmodule Pleroma.Web.ActivityPub.UserView do
   2   use Pleroma.Web, :view
   3   alias Pleroma.Web.Salmon
   4   alias Pleroma.Web.WebFinger
   5   alias Pleroma.User
   6   alias Pleroma.Web.ActivityPub.ActivityPub
   7   alias Pleroma.Web.ActivityPub.Transmogrifier
   8   alias Pleroma.Web.ActivityPub.Utils
   9
  10   def render("user.json", %{user: user}) do
  11     {:ok, user} = WebFinger.ensure_keys_present(user)
  12     {:ok, _, public_key} = Salmon.keys_from_pem(user.info["keys"])
  13     public_key = :public_key.pem_entry_encode(:RSAPublicKey, public_key)
  14     public_key = :public_key.pem_encode([public_key])
  15     %{
  16       "id" => user.ap_id,
  17       "type" => "Person",
  18       "following" => "#{user.ap_id}/following",
  19       "followers" => "#{user.ap_id}/followers",
  20       "inbox" => "#{user.ap_id}/inbox",
  21       "outbox" => "#{user.ap_id}/outbox",
  22       "preferredUsername" => user.nickname,
  23       "name" => user.name,
  24       "summary" => user.bio,
  25       "url" => user.ap_id,
  26       "manuallyApprovesFollowers" => false,
  27       "publicKey" => %{
  28         "id" => "#{user.ap_id}#main-key",
  29         "owner" => user.ap_id,
  30         "publicKeyPem" => public_key
  31       },
  32       "endpoints" => %{
  33         "sharedInbox" => "#{Pleroma.Web.Endpoint.url}/inbox"
  34       },
  35       "icon" => %{
  36         "type" => "Image",
  37         "url" => User.avatar_url(user)
  38       },
  39       "image" => %{
  40         "type" => "Image",
  41         "url" => User.banner_url(user)
  42       }
  43     }
  44     |> Map.merge(Utils.make_json_ld_header())
  45   end
  46
  47   def collection(collection, iri, page) do
  48     offset = (page - 1) * 10
  49     items = Enum.slice(collection, offset, 10)
  50     items = Enum.map(items, fn (user) -> user.ap_id end)
  51     map = %{
  52       "id" => "#{iri}?page=#{page}",
  53       "type" => "OrderedCollectionPage",
  54       "partOf" => iri,
  55       "totalItems" => length(collection),
  56       "orderedItems" => items
  57     }
  58     if offset < length(collection) do
  59       Map.put(map, "next", "#{iri}?page=#{page+1}")
  60     end
  61   end
  62
  63   def render("following.json", %{user: user, page: page}) do
  64     {:ok, following} = User.get_friends(user)
  65     collection(following, "#{user.ap_id}/following", page)
  66     |> Map.merge(Utils.make_json_ld_header())
  67   end
  68
  69   def render("following.json", %{user: user}) do
  70     {:ok, following} = User.get_friends(user)
  71     %{
  72       "id" => "#{user.ap_id}/following",
  73       "type" => "OrderedCollection",
  74       "totalItems" => length(following),
  75       "first" => collection(following, "#{user.ap_id}/following", 1)
  76     }
  77     |> Map.merge(Utils.make_json_ld_header())
  78   end
  79
  80   def render("followers.json", %{user: user, page: page}) do
  81     {:ok, followers} = User.get_followers(user)
  82     collection(followers, "#{user.ap_id}/followers", page)
  83     |> Map.merge(Utils.make_json_ld_header())
  84   end
  85
  86   def render("followers.json", %{user: user}) do
  87     {:ok, followers} = User.get_followers(user)
  88     %{
  89       "id" => "#{user.ap_id}/following",
  90       "type" => "OrderedCollection",
  91       "totalItems" => length(followers),
  92       "first" => collection(followers, "#{user.ap_id}/followers", 1)
  93     }
  94     |> Map.merge(Utils.make_json_ld_header())
  95   end
  96
  97   def render("outbox.json", %{user: user, max_id: max_qid}) do
  98     # XXX: technically note_count is wrong for this, but it's better than nothing
  99     info = User.user_info(user)
 100
 101     params = %{
 102       "type" => ["Create", "Announce"],
 103       "actor_id" => user.ap_id,
 104       "whole_db" => true,
 105       "limit" => "10"
 106     }
 107
 108     if max_qid != nil do
 109       params = Map.put(params, "max_id", max_qid)
 110     end
 111
 112     activities = ActivityPub.fetch_public_activities(params)
 113     min_id = Enum.at(activities, 0).id
 114
 115     activities = Enum.reverse(activities)
 116     max_id = Enum.at(activities, 0).id
 117
 118     collection = Enum.map(activities, fn (act) ->
 119       {:ok, data} = Transmogrifier.prepare_outgoing(act.data)
 120       data
 121     end)
 122
 123     iri = "#{user.ap_id}/outbox"
 124     page = %{
 125       "id" => "#{iri}?max_id=#{max_id}",
 126       "type" => "OrderedCollectionPage",
 127       "partOf" => iri,
 128       "totalItems" => info.note_count,
 129       "orderedItems" => collection,
 130       "next" => "#{iri}?max_id=#{min_id-1}",
 131     }
 132
 133     if max_qid == nil do
 134       %{
 135         "id" => iri,
 136         "type" => "OrderedCollection",
 137         "totalItems" => info.note_count,
 138         "first" => page
 139       }
 140       |> Map.merge(Utils.make_json_ld_header())
 141     else
 142       page |> Map.merge(Utils.make_json_ld_header())
 143     end
 144   end
 145 end