git.squeep.com Git - akkoma/blob - lib/pleroma/web/web_finger/web_finger.ex

   1 defmodule Pleroma.Web.WebFinger do
   2   alias Pleroma.XmlBuilder
   3   alias Pleroma.User
   4
   5   def host_meta() do
   6     base_url  = Pleroma.Web.base_url
   7     {
   8       :XRD, %{ xmlns: "http://docs.oasis-open.org/ns/xri/xrd-1.0" },
   9       {
  10         :Link, %{ rel: "lrdd", type: "application/xrd+xml", template: "#{base_url}/.well-known/webfinger?resource={uri}"  }
  11       }
  12     }
  13     |> XmlBuilder.to_doc
  14   end
  15
  16   def webfinger(resource) do
  17     host = Pleroma.Web.host
  18     regex = ~r/acct:(?<username>\w+)@#{host}/
  19     case Regex.named_captures(regex, resource) do
  20       %{"username" => username} ->
  21         user = User.get_cached_by_nickname(username)
  22         {:ok, represent_user(user)}
  23       _ -> nil
  24     end
  25   end
  26
  27   def represent_user(user) do
  28     {
  29       :XRD, %{xmlns: "http://docs.oasis-open.org/ns/xri/xrd-1.0"},
  30       [
  31         {:Subject, "acct:#{user.nickname}@#{Pleroma.Web.host}"},
  32         {:Alias, user.ap_id},
  33         {:Link, %{rel: "http://schemas.google.com/g/2010#updates-from", type: "application/atom+xml", href: "#{user.ap_id}.atom"}}
  34       ]
  35     }
  36     |> XmlBuilder.to_doc
  37   end
  38 end