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(:SubjectPublicKeyInfo, 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" => user.info["locked"] || 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       "tag" => user.info["source_data"]["tag"] || []
  47     }
  48     |> Map.merge(Utils.make_json_ld_header())
  49   end
  50
  51   def render("following.json", %{user: user, page: page}) do
  52     query = User.get_friends_query(user)
  53     query = from(user in query, select: [:ap_id])
  54     following = Repo.all(query)
  55
  56     collection(following, "#{user.ap_id}/following", page)
  57     |> Map.merge(Utils.make_json_ld_header())
  58   end
  59
  60   def render("following.json", %{user: user}) do
  61     query = User.get_friends_query(user)
  62     query = from(user in query, select: [:ap_id])
  63     following = Repo.all(query)
  64
  65     %{
  66       "id" => "#{user.ap_id}/following",
  67       "type" => "OrderedCollection",
  68       "totalItems" => length(following),
  69       "first" => collection(following, "#{user.ap_id}/following", 1)
  70     }
  71     |> Map.merge(Utils.make_json_ld_header())
  72   end
  73
  74   def render("followers.json", %{user: user, page: page}) do
  75     query = User.get_followers_query(user)
  76     query = from(user in query, select: [:ap_id])
  77     followers = Repo.all(query)
  78
  79     collection(followers, "#{user.ap_id}/followers", page)
  80     |> Map.merge(Utils.make_json_ld_header())
  81   end
  82
  83   def render("followers.json", %{user: user}) do
  84     query = User.get_followers_query(user)
  85     query = from(user in query, select: [:ap_id])
  86     followers = Repo.all(query)
  87
  88     %{
  89       "id" => "#{user.ap_id}/followers",
  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     params =
 109       if max_qid != nil do
 110         Map.put(params, "max_id", max_qid)
 111       else
 112         params
 113       end
 114
 115     activities = ActivityPub.fetch_public_activities(params)
 116     min_id = Enum.at(activities, 0).id
 117
 118     activities = Enum.reverse(activities)
 119     max_id = Enum.at(activities, 0).id
 120
 121     collection =
 122       Enum.map(activities, fn act ->
 123         {:ok, data} = Transmogrifier.prepare_outgoing(act.data)
 124         data
 125       end)
 126
 127     iri = "#{user.ap_id}/outbox"
 128
 129     page = %{
 130       "id" => "#{iri}?max_id=#{max_id}",
 131       "type" => "OrderedCollectionPage",
 132       "partOf" => iri,
 133       "totalItems" => info.note_count,
 134       "orderedItems" => collection,
 135       "next" => "#{iri}?max_id=#{min_id - 1}"
 136     }
 137
 138     if max_qid == nil do
 139       %{
 140         "id" => iri,
 141         "type" => "OrderedCollection",
 142         "totalItems" => info.note_count,
 143         "first" => page
 144       }
 145       |> Map.merge(Utils.make_json_ld_header())
 146     else
 147       page |> Map.merge(Utils.make_json_ld_header())
 148     end
 149   end
 150
 151   def collection(collection, iri, page, total \\ nil) do
 152     offset = (page - 1) * 10
 153     items = Enum.slice(collection, offset, 10)
 154     items = Enum.map(items, fn user -> user.ap_id end)
 155     total = total || length(collection)
 156
 157     map = %{
 158       "id" => "#{iri}?page=#{page}",
 159       "type" => "OrderedCollectionPage",
 160       "partOf" => iri,
 161       "totalItems" => total,
 162       "orderedItems" => items
 163     }
 164
 165     if offset < total do
 166       Map.put(map, "next", "#{iri}?page=#{page + 1}")
 167     end
 168   end
 169 end