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.Repo
   7   alias Pleroma.Web.ActivityPub.ActivityPub
   8   alias Pleroma.Web.ActivityPub.Transmogrifier
   9   alias Pleroma.Web.ActivityPub.Utils
  10   import Ecto.Query
  11
  12   def render("user.json", %{user: user}) do
  13     {:ok, user} = WebFinger.ensure_keys_present(user)
  14     {:ok, _, public_key} = Salmon.keys_from_pem(user.info["keys"])
  15     public_key = :public_key.pem_entry_encode(:RSAPublicKey, public_key)
  16     public_key = :public_key.pem_encode([public_key])
  17
  18     %{
  19       "id" => user.ap_id,
  20       "type" => "Person",
  21       "following" => "#{user.ap_id}/following",
  22       "followers" => "#{user.ap_id}/followers",
  23       "inbox" => "#{user.ap_id}/inbox",
  24       "outbox" => "#{user.ap_id}/outbox",
  25       "preferredUsername" => user.nickname,
  26       "name" => user.name,
  27       "summary" => user.bio,
  28       "url" => user.ap_id,
  29       "manuallyApprovesFollowers" => false,
  30       "publicKey" => %{
  31         "id" => "#{user.ap_id}#main-key",
  32         "owner" => user.ap_id,
  33         "publicKeyPem" => public_key
  34       },
  35       "endpoints" => %{
  36         "sharedInbox" => "#{Pleroma.Web.Endpoint.url()}/inbox"
  37       },
  38       "icon" => %{
  39         "type" => "Image",
  40         "url" => User.avatar_url(user)
  41       },
  42       "image" => %{
  43         "type" => "Image",
  44         "url" => User.banner_url(user)
  45       }
  46     }
  47     |> Map.merge(Utils.make_json_ld_header())
  48   end
  49
  50   def render("following.json", %{user: user, page: page}) do
  51     query = User.get_friends_query(user)
  52     query = from(user in query, select: [:ap_id])
  53     following = Repo.all(query)
  54
  55     collection(following, "#{user.ap_id}/following", page)
  56     |> Map.merge(Utils.make_json_ld_header())
  57   end
  58
  59   def render("following.json", %{user: user}) do
  60     query = User.get_friends_query(user)
  61     query = from(user in query, select: [:ap_id])
  62     following = Repo.all(query)
  63
  64     %{
  65       "id" => "#{user.ap_id}/following",
  66       "type" => "OrderedCollection",
  67       "totalItems" => length(following),
  68       "first" => collection(following, "#{user.ap_id}/following", 1)
  69     }
  70     |> Map.merge(Utils.make_json_ld_header())
  71   end
  72
  73   def render("followers.json", %{user: user, page: page}) do
  74     query = User.get_followers_query(user)
  75     query = from(user in query, select: [:ap_id])
  76     followers = Repo.all(query)
  77
  78     collection(followers, "#{user.ap_id}/followers", page)
  79     |> Map.merge(Utils.make_json_ld_header())
  80   end
  81
  82   def render("followers.json", %{user: user}) do
  83     query = User.get_followers_query(user)
  84     query = from(user in query, select: [:ap_id])
  85     followers = Repo.all(query)
  86
  87     %{
  88       "id" => "#{user.ap_id}/followers",
  89       "type" => "OrderedCollection",
  90       "totalItems" => length(followers),
  91       "first" => collection(followers, "#{user.ap_id}/followers", 1)
  92     }
  93     |> Map.merge(Utils.make_json_ld_header())
  94   end
  95
  96   def render("outbox.json", %{user: user, max_id: max_qid}) do
  97     # XXX: technically note_count is wrong for this, but it's better than nothing
  98     info = User.user_info(user)
  99
 100     params = %{
 101       "type" => ["Create", "Announce"],
 102       "actor_id" => user.ap_id,
 103       "whole_db" => true,
 104       "limit" => "10"
 105     }
 106
 107     if max_qid != nil do
 108       params = Map.put(params, "max_id", max_qid)
 109     end
 110
 111     activities = ActivityPub.fetch_public_activities(params)
 112     min_id = Enum.at(activities, 0).id
 113
 114     activities = Enum.reverse(activities)
 115     max_id = Enum.at(activities, 0).id
 116
 117     collection =
 118       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
 125     page = %{
 126       "id" => "#{iri}?max_id=#{max_id}",
 127       "type" => "OrderedCollectionPage",
 128       "partOf" => iri,
 129       "totalItems" => info.note_count,
 130       "orderedItems" => collection,
 131       "next" => "#{iri}?max_id=#{min_id - 1}"
 132     }
 133
 134     if max_qid == nil do
 135       %{
 136         "id" => iri,
 137         "type" => "OrderedCollection",
 138         "totalItems" => info.note_count,
 139         "first" => page
 140       }
 141       |> Map.merge(Utils.make_json_ld_header())
 142     else
 143       page |> Map.merge(Utils.make_json_ld_header())
 144     end
 145   end
 146
 147   def collection(collection, iri, page, _total \\ nil) do
 148     offset = (page - 1) * 10
 149     items = Enum.slice(collection, offset, 10)
 150     items = Enum.map(items, fn user -> user.ap_id end)
 151     total = _total || length(collection)
 152
 153     map = %{
 154       "id" => "#{iri}?page=#{page}",
 155       "type" => "OrderedCollectionPage",
 156       "partOf" => iri,
 157       "totalItems" => length(collection),
 158       "orderedItems" => items
 159     }
 160
 161     if offset < length(collection) do
 162       Map.put(map, "next", "#{iri}?page=#{page + 1}")
 163     end
 164   end
 165 end