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     %{
  17       "id" => user.ap_id,
  18       "type" => "Person",
  19       "following" => "#{user.ap_id}/following",
  20       "followers" => "#{user.ap_id}/followers",
  21       "inbox" => "#{user.ap_id}/inbox",
  22       "outbox" => "#{user.ap_id}/outbox",
  23       "preferredUsername" => user.nickname,
  24       "name" => user.name,
  25       "summary" => user.bio,
  26       "url" => user.ap_id,
  27       "manuallyApprovesFollowers" => false,
  28       "publicKey" => %{
  29         "id" => "#{user.ap_id}#main-key",
  30         "owner" => user.ap_id,
  31         "publicKeyPem" => public_key
  32       },
  33       "endpoints" => %{
  34         "sharedInbox" => "#{Pleroma.Web.Endpoint.url()}/inbox"
  35       },
  36       "icon" => %{
  37         "type" => "Image",
  38         "url" => User.avatar_url(user)
  39       },
  40       "image" => %{
  41         "type" => "Image",
  42         "url" => User.banner_url(user)
  43       }
  44     }
  45     |> Map.merge(Utils.make_json_ld_header())
  46   end
  47
  48   def collection(collection, iri, page) do
  49     offset = (page - 1) * 10
  50     items = Enum.slice(collection, offset, 10)
  51     items = Enum.map(items, fn user -> user.ap_id end)
  52
  53     map = %{
  54       "id" => "#{iri}?page=#{page}",
  55       "type" => "OrderedCollectionPage",
  56       "partOf" => iri,
  57       "totalItems" => length(collection),
  58       "orderedItems" => items
  59     }
  60
  61     if offset < length(collection) do
  62       Map.put(map, "next", "#{iri}?page=#{page + 1}")
  63     end
  64   end
  65
  66   def render("following.json", %{user: user, page: page}) do
  67     {:ok, following} = User.get_friends(user)
  68
  69     collection(following, "#{user.ap_id}/following", page)
  70     |> Map.merge(Utils.make_json_ld_header())
  71   end
  72
  73   def render("following.json", %{user: user}) do
  74     {:ok, following} = User.get_friends(user)
  75
  76     %{
  77       "id" => "#{user.ap_id}/following",
  78       "type" => "OrderedCollection",
  79       "totalItems" => length(following),
  80       "first" => collection(following, "#{user.ap_id}/following", 1)
  81     }
  82     |> Map.merge(Utils.make_json_ld_header())
  83   end
  84
  85   def render("followers.json", %{user: user, page: page}) do
  86     {:ok, followers} = User.get_followers(user)
  87
  88     collection(followers, "#{user.ap_id}/followers", page)
  89     |> Map.merge(Utils.make_json_ld_header())
  90   end
  91
  92   def render("followers.json", %{user: user}) do
  93     {:ok, followers} = User.get_followers(user)
  94
  95     %{
  96       "id" => "#{user.ap_id}/followers",
  97       "type" => "OrderedCollection",
  98       "totalItems" => length(followers),
  99       "first" => collection(followers, "#{user.ap_id}/followers", 1)
 100     }
 101     |> Map.merge(Utils.make_json_ld_header())
 102   end
 103
 104   def render("outbox.json", %{user: user, max_id: max_qid}) do
 105     # XXX: technically note_count is wrong for this, but it's better than nothing
 106     info = User.user_info(user)
 107
 108     params = %{
 109       "type" => ["Create", "Announce"],
 110       "actor_id" => user.ap_id,
 111       "whole_db" => true,
 112       "limit" => "10"
 113     }
 114
 115     if max_qid != nil do
 116       params = Map.put(params, "max_id", max_qid)
 117     end
 118
 119     activities = ActivityPub.fetch_public_activities(params)
 120     min_id = Enum.at(activities, 0).id
 121
 122     activities = Enum.reverse(activities)
 123     max_id = Enum.at(activities, 0).id
 124
 125     collection =
 126       Enum.map(activities, fn act ->
 127         {:ok, data} = Transmogrifier.prepare_outgoing(act.data)
 128         data
 129       end)
 130
 131     iri = "#{user.ap_id}/outbox"
 132
 133     page = %{
 134       "id" => "#{iri}?max_id=#{max_id}",
 135       "type" => "OrderedCollectionPage",
 136       "partOf" => iri,
 137       "totalItems" => info.note_count,
 138       "orderedItems" => collection,
 139       "next" => "#{iri}?max_id=#{min_id - 1}"
 140     }
 141
 142     if max_qid == nil do
 143       %{
 144         "id" => iri,
 145         "type" => "OrderedCollection",
 146         "totalItems" => info.note_count,
 147         "first" => page
 148       }
 149       |> Map.merge(Utils.make_json_ld_header())
 150     else
 151       page |> Map.merge(Utils.make_json_ld_header())
 152     end
 153   end
 154 end