From 8aa639a450c94fc3fb8ea812b334892324ffd51a Mon Sep 17 00:00:00 2001 From: William Pitcock Date: Wed, 21 Mar 2018 17:58:31 +0000 Subject: [PATCH] webfinger: support JSON output --- lib/pleroma/web/router.ex | 2 +- lib/pleroma/web/web_finger/web_finger.ex | 41 +++++++++++++++++-- .../web/web_finger/web_finger_controller.ex | 23 ++++++++--- test/web/web_finger/web_finger_test.exs | 4 +- 4 files changed, 57 insertions(+), 13 deletions(-) diff --git a/lib/pleroma/web/router.ex b/lib/pleroma/web/router.ex index 3e9a8ba7b..8835239c5 100644 --- a/lib/pleroma/web/router.ex +++ b/lib/pleroma/web/router.ex @@ -39,7 +39,7 @@ def user_fetcher(username) do end pipeline :well_known do - plug :accepts, ["xml", "xrd+xml"] + plug :accepts, ["xml", "xrd+xml", "json", "jrd+json"] end pipeline :config do diff --git a/lib/pleroma/web/web_finger/web_finger.ex b/lib/pleroma/web/web_finger/web_finger.ex index 019210124..378e544ba 100644 --- a/lib/pleroma/web/web_finger/web_finger.ex +++ b/lib/pleroma/web/web_finger/web_finger.ex @@ -17,22 +17,55 @@ def host_meta do |> XmlBuilder.to_doc end - def webfinger(resource) do + def webfinger(resource, "JSON") do host = Pleroma.Web.Endpoint.host regex = ~r/(acct:)?(?\w+)@#{host}/ with %{"username" => username} <- Regex.named_captures(regex, resource) do user = User.get_by_nickname(username) - {:ok, represent_user(user)} + {:ok, represent_user(user, "JSON")} else _e -> with user when not is_nil(user) <- User.get_cached_by_ap_id(resource) do - {:ok, represent_user(user)} + {:ok, represent_user(user, "JSON")} else _e -> {:error, "Couldn't find user"} end end end - def represent_user(user) do + def webfinger(resource, "XML") do + host = Pleroma.Web.Endpoint.host + regex = ~r/(acct:)?(?\w+)@#{host}/ + with %{"username" => username} <- Regex.named_captures(regex, resource) do + user = User.get_by_nickname(username) + {:ok, represent_user(user, "XML")} + else _e -> + with user when not is_nil(user) <- User.get_cached_by_ap_id(resource) do + {:ok, represent_user(user, "XML")} + else _e -> + {:error, "Couldn't find user"} + end + end + end + + def represent_user(user, "JSON") do + {:ok, user} = ensure_keys_present(user) + {:ok, _private, public} = Salmon.keys_from_pem(user.info["keys"]) + magic_key = Salmon.encode_key(public) + %{ + "subject" => "acct:#{user.nickname}@#{Pleroma.Web.Endpoint.host}", + "aliases" => [user.ap_id], + "links" => [ + %{"rel" => "http://schemas.google.com/g/2010#updates-from", "type" => "application/atom+xml", "href" => OStatus.feed_path(user)}, + %{"rel" => "http://webfinger.net/rel/profile-page", "type" => "text/html", "href" => user.ap_id}, + %{"rel" => "salmon", "href" => OStatus.salmon_path(user)}, + %{"rel" => "magic-public-key", "href" => "data:application/magic-public-key,#{magic_key}"}, + %{"rel" => "self", "type" => "application/activity+json", "href" => user.ap_id}, + %{"rel" => "http://ostatus.org/schema/1.0/subscribe", "template" => OStatus.remote_follow_path()} + ] + } + end + + def represent_user(user, "XML") do {:ok, user} = ensure_keys_present(user) {:ok, _private, public} = Salmon.keys_from_pem(user.info["keys"]) magic_key = Salmon.encode_key(public) diff --git a/lib/pleroma/web/web_finger/web_finger_controller.ex b/lib/pleroma/web/web_finger/web_finger_controller.ex index d4536fc46..eb54346c1 100644 --- a/lib/pleroma/web/web_finger/web_finger_controller.ex +++ b/lib/pleroma/web/web_finger/web_finger_controller.ex @@ -12,12 +12,23 @@ def host_meta(conn, _params) do end def webfinger(conn, %{"resource" => resource}) do - with {:ok, response} <- WebFinger.webfinger(resource) do - conn - |> put_resp_content_type("application/xrd+xml") - |> send_resp(200, response) - else - _e -> send_resp(conn, 404, "Couldn't find user") + case get_format(conn) do + n when n in ["xml", "xrd+xml"] -> + with {:ok, response} <- WebFinger.webfinger(resource, "XML") do + conn + |> put_resp_content_type("application/xrd+xml") + |> send_resp(200, response) + else + _e -> send_resp(conn, 404, "Couldn't find user") + end + n when n in ["json", "jrd+json"] -> + with {:ok, response} <- WebFinger.webfinger(resource, "JSON") do + json(conn, response) + else + _e -> send_resp(conn, 404, "Couldn't find user") + end + _ -> + send_resp(conn, 404, "Unsupported format") end end end diff --git a/test/web/web_finger/web_finger_test.exs b/test/web/web_finger/web_finger_test.exs index ccca737f0..0be424c7a 100644 --- a/test/web/web_finger/web_finger_test.exs +++ b/test/web/web_finger/web_finger_test.exs @@ -15,14 +15,14 @@ test "returns a link to the xml lrdd" do test "works for fqns" do user = insert(:user) - {:ok, result} = WebFinger.webfinger("#{user.nickname}@#{Pleroma.Web.Endpoint.host}") + {:ok, result} = WebFinger.webfinger("#{user.nickname}@#{Pleroma.Web.Endpoint.host}", "XML") assert is_binary(result) end test "works for ap_ids" do user = insert(:user) - {:ok, result} = WebFinger.webfinger(user.ap_id) + {:ok, result} = WebFinger.webfinger(user.ap_id, "XML") assert is_binary(result) end end