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 collection(collection, iri, page, total \\ nil) do
  51     offset = (page - 1) * 10
  52     items = Enum.slice(collection, offset, 10)
  53     items = Enum.map(items, fn user -> user.ap_id end)
  54     total = total || length(collection)
  55
  56     map = %{
  57       "id" => "#{iri}?page=#{page}",
  58       "type" => "OrderedCollectionPage",
  59       "partOf" => iri,
  60       "totalItems" => length(collection),
  61       "orderedItems" => items
  62     }
  63
  64     if offset < length(collection) do
  65       Map.put(map, "next", "#{iri}?page=#{page + 1}")
  66     end
  67   end
  68
  69   def render("following.json", %{user: user, page: page}) do
  70     query = User.get_friends_query(user)
  71     query = from(user in query, select: [:ap_id])
  72     following = Repo.all(query)
  73
  74     collection(following, "#{user.ap_id}/following", page)
  75     |> Map.merge(Utils.make_json_ld_header())
  76   end
  77
  78   def render("following.json", %{user: user}) do
  79     query = User.get_friends_query(user)
  80     query = from(user in query, select: [:ap_id])
  81     following = Repo.all(query)
  82
  83     %{
  84       "id" => "#{user.ap_id}/following",
  85       "type" => "OrderedCollection",
  86       "totalItems" => length(following),
  87       "first" => collection(following, "#{user.ap_id}/following", 1)
  88     }
  89     |> Map.merge(Utils.make_json_ld_header())
  90   end
  91
  92   def render("followers.json", %{user: user, page: page}) do
  93     query = User.get_followers_query(user)
  94     query = from(user in query, select: [:ap_id])
  95     followers = Repo.all(query)
  96
  97     collection(followers, "#{user.ap_id}/followers", page)
  98     |> Map.merge(Utils.make_json_ld_header())
  99   end
 100
 101   def render("followers.json", %{user: user}) do
 102     query = User.get_followers_query(user)
 103     query = from(user in query, select: [:ap_id])
 104     followers = Repo.all(query)
 105
 106     %{
 107       "id" => "#{user.ap_id}/followers",
 108       "type" => "OrderedCollection",
 109       "totalItems" => length(followers),
 110       "first" => collection(followers, "#{user.ap_id}/followers", 1)
 111     }
 112     |> Map.merge(Utils.make_json_ld_header())
 113   end
 114
 115   def render("outbox.json", %{user: user, max_id: max_qid}) do
 116     # XXX: technically note_count is wrong for this, but it's better than nothing
 117     info = User.user_info(user)
 118
 119     params = %{
 120       "type" => ["Create", "Announce"],
 121       "actor_id" => user.ap_id,
 122       "whole_db" => true,
 123       "limit" => "10"
 124     }
 125
 126     if max_qid != nil do
 127       params = Map.put(params, "max_id", max_qid)
 128     end
 129
 130     activities = ActivityPub.fetch_public_activities(params)
 131     min_id = Enum.at(activities, 0).id
 132
 133     activities = Enum.reverse(activities)
 134     max_id = Enum.at(activities, 0).id
 135
 136     collection =
 137       Enum.map(activities, fn act ->
 138         {:ok, data} = Transmogrifier.prepare_outgoing(act.data)
 139         data
 140       end)
 141
 142     iri = "#{user.ap_id}/outbox"
 143
 144     page = %{
 145       "id" => "#{iri}?max_id=#{max_id}",
 146       "type" => "OrderedCollectionPage",
 147       "partOf" => iri,
 148       "totalItems" => info.note_count,
 149       "orderedItems" => collection,
 150       "next" => "#{iri}?max_id=#{min_id - 1}"
 151     }
 152
 153     if max_qid == nil do
 154       %{
 155         "id" => iri,
 156         "type" => "OrderedCollection",
 157         "totalItems" => info.note_count,
 158         "first" => page
 159       }
 160       |> Map.merge(Utils.make_json_ld_header())
 161     else
 162       page |> Map.merge(Utils.make_json_ld_header())
 163     end
 164   end
 165 end