Pleroma/lib/pleroma/web/web_finger/web_finger.ex

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defmodule Pleroma.Web.WebFinger do
alias Pleroma.XmlBuilder
alias Pleroma.User
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alias Pleroma.Web.OStatus
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def host_meta() do
base_url = Pleroma.Web.base_url
{
:XRD, %{ xmlns: "http://docs.oasis-open.org/ns/xri/xrd-1.0" },
{
:Link, %{ rel: "lrdd", type: "application/xrd+xml", template: "#{base_url}/.well-known/webfinger?resource={uri}" }
}
}
|> XmlBuilder.to_doc
end
def webfinger(resource) do
host = Pleroma.Web.host
regex = ~r/acct:(?<username>\w+)@#{host}/
case Regex.named_captures(regex, resource) do
%{"username" => username} ->
user = User.get_cached_by_nickname(username)
{:ok, represent_user(user)}
_ -> nil
end
end
def represent_user(user) do
{
:XRD, %{xmlns: "http://docs.oasis-open.org/ns/xri/xrd-1.0"},
[
{:Subject, "acct:#{user.nickname}@#{Pleroma.Web.host}"},
{:Alias, user.ap_id},
{:Link, %{rel: "http://schemas.google.com/g/2010#updates-from", type: "application/atom+xml", href: OStatus.feed_path(user)}},
{:Link, %{rel: "salmon", href: OStatus.salmon_path(user)}}
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]
}
|> XmlBuilder.to_doc
end
end