defmodule Pleroma.Web.WebFinger do
alias Pleroma.XmlBuilder
- alias Pleroma.User
- alias Pleroma.Web.OStatus
- alias Pleroma.Web.XML
+ alias Pleroma.{Repo, User}
+ alias Pleroma.Web.{XML, Salmon, OStatus}
require Logger
def host_meta() do
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)
+ with %{"username" => username} <- Regex.named_captures(regex, resource) do
+ user = User.get_by_nickname(username)
+ {:ok, represent_user(user)}
+ else _e ->
+ with user when not is_nil(user) <- User.get_cached_by_ap_id(resource) do
{:ok, represent_user(user)}
- _ -> nil
+ else _e ->
+ {:error, "Couldn't find user"}
+ end
end
end
def represent_user(user) do
+ {:ok, user} = ensure_keys_present(user)
+ {:ok, _private, public} = Salmon.keys_from_pem(user.info["keys"])
+ magic_key = Salmon.encode_key(public)
{
: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)}}
+ {:Link, %{rel: "salmon", href: OStatus.salmon_path(user)}},
+ {:Link, %{rel: "magic-public-key", href: "data:application/magic-public-key,#{magic_key}"}}
]
}
|> XmlBuilder.to_doc
end
+ # This seems a better fit in Salmon
+ def ensure_keys_present(user) do
+ info = user.info || %{}
+ if info["keys"] do
+ {:ok, user}
+ else
+ {:ok, pem} = Salmon.generate_rsa_pem
+ info = Map.put(info, "keys", pem)
+ Repo.update(Ecto.Changeset.change(user, info: info))
+ end
+ end
+
# FIXME: Make this call the host-meta to find the actual address.
defp webfinger_address(domain) do
- "https://#{domain}/.well-known/webfinger"
+ "//#{domain}/.well-known/webfinger"
end
defp webfinger_from_xml(doc) do
end
def finger(account, getter \\ &HTTPoison.get/3) do
- [name, domain] = String.split(account, "@")
+ domain = with [_name, domain] <- String.split(account, "@") do
+ domain
+ else _e ->
+ URI.parse(account).host
+ end
address = webfinger_address(domain)
- with {:ok, %{status_code: status_code, body: body}} when status_code in 200..299 <- getter.(address, ["Accept": "application/xrd+xml"], [params: [resource: account]]),
+
+ # try https first
+ response = with {:ok, result} <- getter.("https:" <> address, ["Accept": "application/xrd+xml"], [params: [resource: account]]) do
+ {:ok, result}
+ else _ ->
+ getter.("http:" <> address, ["Accept": "application/xrd+xml"], [params: [resource: account]])
+ end
+
+ with {:ok, %{status_code: status_code, body: body}} when status_code in 200..299 <- response,
doc <- XML.parse_document(body),
{:ok, data} <- webfinger_from_xml(doc) do
{:ok, data}