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   # the instance itself is not a Person, but instead an Application
  13   def render("user.json", %{user: %{nickname: nil} = user}) do
  14     {:ok, user} = WebFinger.ensure_keys_present(user)
  15     {:ok, _, public_key} = Salmon.keys_from_pem(user.info.keys)
  16     public_key = :public_key.pem_entry_encode(:SubjectPublicKeyInfo, public_key)
  17     public_key = :public_key.pem_encode([public_key])
  18
  19     %{
  20       "id" => user.ap_id,
  21       "type" => "Application",
  22       "following" => "#{user.ap_id}/following",
  23       "followers" => "#{user.ap_id}/followers",
  24       "inbox" => "#{user.ap_id}/inbox",
  25       "name" => "Pleroma",
  26       "summary" => "Virtual actor for Pleroma relay",
  27       "url" => user.ap_id,
  28       "manuallyApprovesFollowers" => false,
  29       "publicKey" => %{
  30         "id" => "#{user.ap_id}#main-key",
  31         "owner" => user.ap_id,
  32         "publicKeyPem" => public_key
  33       },
  34       "endpoints" => %{
  35         "sharedInbox" => "#{Pleroma.Web.Endpoint.url()}/inbox"
  36       }
  37     }
  38     |> Map.merge(Utils.make_json_ld_header())
  39   end
  40
  41   def render("user.json", %{user: user}) do
  42     {:ok, user} = WebFinger.ensure_keys_present(user)
  43     {:ok, _, public_key} = Salmon.keys_from_pem(user.info.keys)
  44     public_key = :public_key.pem_entry_encode(:SubjectPublicKeyInfo, public_key)
  45     public_key = :public_key.pem_encode([public_key])
  46
  47     %{
  48       "id" => user.ap_id,
  49       "type" => "Person",
  50       "following" => "#{user.ap_id}/following",
  51       "followers" => "#{user.ap_id}/followers",
  52       "inbox" => "#{user.ap_id}/inbox",
  53       "outbox" => "#{user.ap_id}/outbox",
  54       "preferredUsername" => user.nickname,
  55       "name" => user.name,
  56       "summary" => user.bio,
  57       "url" => user.ap_id,
  58       "manuallyApprovesFollowers" => user.info.locked,
  59       "publicKey" => %{
  60         "id" => "#{user.ap_id}#main-key",
  61         "owner" => user.ap_id,
  62         "publicKeyPem" => public_key
  63       },
  64       "endpoints" => %{
  65         "sharedInbox" => "#{Pleroma.Web.Endpoint.url()}/inbox"
  66       },
  67       "icon" => %{
  68         "type" => "Image",
  69         "url" => User.avatar_url(user)
  70       },
  71       "image" => %{
  72         "type" => "Image",
  73         "url" => User.banner_url(user)
  74       },
  75       "tag" => user.info.source_data["tag"] || []
  76     }
  77     |> Map.merge(Utils.make_json_ld_header())
  78   end
  79
  80   def render("following.json", %{user: user, page: page}) do
  81     query = User.get_friends_query(user)
  82     query = from(user in query, select: [:ap_id])
  83     following = Repo.all(query)
  84
  85     collection(following, "#{user.ap_id}/following", page)
  86     |> Map.merge(Utils.make_json_ld_header())
  87   end
  88
  89   def render("following.json", %{user: user}) do
  90     query = User.get_friends_query(user)
  91     query = from(user in query, select: [:ap_id])
  92     following = Repo.all(query)
  93
  94     %{
  95       "id" => "#{user.ap_id}/following",
  96       "type" => "OrderedCollection",
  97       "totalItems" => length(following),
  98       "first" => collection(following, "#{user.ap_id}/following", 1)
  99     }
 100     |> Map.merge(Utils.make_json_ld_header())
 101   end
 102
 103   def render("followers.json", %{user: user, page: page}) do
 104     query = User.get_followers_query(user)
 105     query = from(user in query, select: [:ap_id])
 106     followers = Repo.all(query)
 107
 108     collection(followers, "#{user.ap_id}/followers", page)
 109     |> Map.merge(Utils.make_json_ld_header())
 110   end
 111
 112   def render("followers.json", %{user: user}) do
 113     query = User.get_followers_query(user)
 114     query = from(user in query, select: [:ap_id])
 115     followers = Repo.all(query)
 116
 117     %{
 118       "id" => "#{user.ap_id}/followers",
 119       "type" => "OrderedCollection",
 120       "totalItems" => length(followers),
 121       "first" => collection(followers, "#{user.ap_id}/followers", 1)
 122     }
 123     |> Map.merge(Utils.make_json_ld_header())
 124   end
 125
 126   def render("outbox.json", %{user: user, max_id: max_qid}) do
 127     # XXX: technically note_count is wrong for this, but it's better than nothing
 128     info = User.user_info(user)
 129
 130     params = %{
 131       "limit" => "10"
 132     }
 133
 134     params =
 135       if max_qid != nil do
 136         Map.put(params, "max_id", max_qid)
 137       else
 138         params
 139       end
 140
 141     activities = ActivityPub.fetch_user_activities(user, nil, params)
 142     min_id = Enum.at(Enum.reverse(activities), 0).id
 143     max_id = Enum.at(activities, 0).id
 144
 145     collection =
 146       Enum.map(activities, fn act ->
 147         {:ok, data} = Transmogrifier.prepare_outgoing(act.data)
 148         data
 149       end)
 150
 151     iri = "#{user.ap_id}/outbox"
 152
 153     page = %{
 154       "id" => "#{iri}?max_id=#{max_id}",
 155       "type" => "OrderedCollectionPage",
 156       "partOf" => iri,
 157       "totalItems" => info.note_count,
 158       "orderedItems" => collection,
 159       "next" => "#{iri}?max_id=#{min_id - 1}"
 160     }
 161
 162     if max_qid == nil do
 163       %{
 164         "id" => iri,
 165         "type" => "OrderedCollection",
 166         "totalItems" => info.note_count,
 167         "first" => page
 168       }
 169       |> Map.merge(Utils.make_json_ld_header())
 170     else
 171       page |> Map.merge(Utils.make_json_ld_header())
 172     end
 173   end
 174
 175   def collection(collection, iri, page, total \\ nil) do
 176     offset = (page - 1) * 10
 177     items = Enum.slice(collection, offset, 10)
 178     items = Enum.map(items, fn user -> user.ap_id end)
 179     total = total || length(collection)
 180
 181     map = %{
 182       "id" => "#{iri}?page=#{page}",
 183       "type" => "OrderedCollectionPage",
 184       "partOf" => iri,
 185       "totalItems" => total,
 186       "orderedItems" => items
 187     }
 188
 189     if offset < total do
 190       Map.put(map, "next", "#{iri}?page=#{page + 1}")
 191     end
 192   end
 193 end