Merge branch 'develop' into kaniini/pleroma-feature/activitypub-endpoints

lib/pleroma/web/oauth/authorization.ex

@@ -40,8 +40,8 @@ def use_token(%Authorization{used: false, valid_until: valid_until} = auth) do
     if NaiveDateTime.diff(NaiveDateTime.utc_now, valid_until) < 0 do
       Repo.update(use_changeset(auth, %{used: true}))
     else
-      {:error, "Token expired"}
+      {:error, "token expired"}
     end
   end
-  def use_token(%Authorization{used: true}), do: {:error, "Already used"}
+  def use_token(%Authorization{used: true}), do: {:error, "already used"}
 end

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

lib/pleroma/web/web_finger/web_finger.ex

@@ -4,6 +4,7 @@ defmodule Pleroma.Web.WebFinger do
   alias Pleroma.{Repo, User, XmlBuilder}
   alias Pleroma.Web
   alias Pleroma.Web.{XML, Salmon, OStatus}
+  require Poison
   require Logger
 
   def host_meta do
@@ -17,22 +18,55 @@ 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:)?(?<username>\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:)?(?<username>\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)
@@ -84,6 +118,19 @@ defp webfinger_from_xml(doc) do
     {:ok, data}
   end
 
+  # TODO: maybe fill in other details from JRD webfinger response
+  defp webfinger_from_json(doc) do
+    data = Enum.reduce(doc["links"], %{"subject" => doc["subject"]}, fn (link, data) ->
+      case link["type"] do
+        "application/activity+json" ->
+          Map.put(data, "ap_id", link["href"])
+        _ ->
+          Logger.debug("Unhandled type: #{inspect(link["type"])}")
+      end
+    end)
+    {:ok, data}
+  end
+
   def get_template_from_xml(body) do
     xpath = "//Link[@rel='lrdd' and @type='application/xrd+xml']/@template"
     with doc when doc != :error <- XML.parse_document(body),
@@ -113,13 +160,22 @@ def finger(account) do
                URI.parse(account).host
              end
 
-    with {:ok, template} <- find_lrdd_template(domain),
-         address <- String.replace(template, "{uri}", URI.encode(account)),
-         response <- @httpoison.get(address, ["Accept": "application/xrd+xml"]),
-         {:ok, %{status_code: status_code, body: body}} when status_code in 200..299 <- response,
-         doc when doc != :error<- XML.parse_document(body),
-         {:ok, data} <- webfinger_from_xml(doc) do
-      {:ok, data}
+    case find_lrdd_template(domain) do
+      {:ok, template} ->
+        address = String.replace(template, "{uri}", URI.encode(account))
+      _ ->
+        address = "http://#{domain}/.well-known/webfinger?resource=acct:#{account}"
+    end
+
+    with response <- @httpoison.get(address, ["Accept": "application/xrd+xml,application/jrd+json"], follow_redirect: true),
+         {:ok, %{status_code: status_code, body: body}} when status_code in 200..299 <- response do
+       doc = XML.parse_document(body)
+       if doc != :error do
+         webfinger_from_xml(doc)
+       else
+         {:ok, doc} = Poison.decode(body)
+         webfinger_from_json(doc)
+       end
     else
       e ->
         Logger.debug(fn -> "Couldn't finger #{account}" end)

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
+    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

test/fixtures/httpoison_mock/framasoft@framatube.org.json

@@ -0,0 +1 @@
+{"subject":"acct:framasoft@framatube.org","aliases":["https://framatube.org/accounts/framasoft"],"links":[{"rel":"self","type":"application/activity+json","href":"https://framatube.org/accounts/framasoft"}]}

test/support/conn_case.ex

@@ -28,6 +28,7 @@ defmodule Pleroma.Web.ConnCase do
 
 
   setup tags do
+    Cachex.clear(:user_cache)
     :ok = Ecto.Adapters.SQL.Sandbox.checkout(Pleroma.Repo)
     unless tags[:async] do
       Ecto.Adapters.SQL.Sandbox.mode(Pleroma.Repo, {:shared, self()})

test/support/data_case.ex

@@ -26,6 +26,7 @@ defmodule Pleroma.DataCase do
   end
 
   setup tags do
+    Cachex.clear(:user_cache)
     :ok = Ecto.Adapters.SQL.Sandbox.checkout(Pleroma.Repo)
 
     unless tags[:async] do

test/support/httpoison_mock.ex

@@ -3,119 +3,126 @@ defmodule HTTPoisonMock do
 
   def get(url, body \\ [], headers \\ [])
 
-  def get("https://social.heldscal.la/.well-known/webfinger", [Accept: "application/xrd+xml"], [params: [resource: "nonexistant@social.heldscal.la"]]) do
+  def get("http://framatube.org/.well-known/webfinger?resource=acct:framasoft@framatube.org", [Accept: "application/xrd+xml,application/jrd+json"], [follow_redirect: true]) do
+    {:ok, %Response{
+      status_code: 200,
+      body: File.read!("test/fixtures/httpoison_mock/framasoft@framatube.org.json")
+    }}
+  end
+
+  def get("https://social.heldscal.la/.well-known/webfinger", [Accept: "application/xrd+xml,application/jrd+json"], [params: [resource: "nonexistant@social.heldscal.la"], follow_redirect: true]) do
     {:ok, %Response{
       status_code: 500,
       body: File.read!("test/fixtures/httpoison_mock/nonexistant@social.heldscal.la.xml")
     }}
   end
 
-  def get("https://social.heldscal.la/.well-known/webfinger?resource=shp@social.heldscal.la", [Accept: "application/xrd+xml"], []) do
+  def get("https://social.heldscal.la/.well-known/webfinger?resource=shp@social.heldscal.la", [Accept: "application/xrd+xml,application/jrd+json"], [follow_redirect: true]) do
     {:ok, %Response{
       status_code: 200,
       body: File.read!("test/fixtures/httpoison_mock/shp@social.heldscal.la.xml")
     }}
   end
 
-  def get("https://social.heldscal.la/.well-known/webfinger", [Accept: "application/xrd+xml"], [params: [resource: "shp@social.heldscal.la"]]) do
+  def get("https://social.heldscal.la/.well-known/webfinger", [Accept: "application/xrd+xml,application/jrd+json"], [params: [resource: "shp@social.heldscal.la"], follow_redirect: true]) do
     {:ok, %Response{
       status_code: 200,
       body: File.read!("test/fixtures/httpoison_mock/shp@social.heldscal.la.xml")
     }}
   end
 
-  def get("https://social.heldscal.la/.well-known/webfinger", [Accept: "application/xrd+xml"], [params: [resource: "https://social.heldscal.la/user/23211"]]) do
+  def get("https://social.heldscal.la/.well-known/webfinger", [Accept: "application/xrd+xml,application/jrd+json"], [params: [resource: "https://social.heldscal.la/user/23211"], follow_redirect: true]) do
     {:ok, %Response{
       status_code: 200,
       body: File.read!("test/fixtures/httpoison_mock/https___social.heldscal.la_user_23211.xml")
     }}
   end
 
-  def get("https://social.heldscal.la/.well-known/webfinger?resource=https://social.heldscal.la/user/23211", [Accept: "application/xrd+xml"], []) do
+  def get("https://social.heldscal.la/.well-known/webfinger?resource=https://social.heldscal.la/user/23211", [Accept: "application/xrd+xml,application/jrd+json"], [follow_redirect: true]) do
     {:ok, %Response{
       status_code: 200,
       body: File.read!("test/fixtures/httpoison_mock/https___social.heldscal.la_user_23211.xml")
     }}
   end
 
-  def get("https://social.heldscal.la/.well-known/webfinger", [Accept: "application/xrd+xml"], [params: [resource: "https://social.heldscal.la/user/29191"]]) do
+  def get("https://social.heldscal.la/.well-known/webfinger", [Accept: "application/xrd+xml,application/jrd+json"], [params: [resource: "https://social.heldscal.la/user/29191"], follow_redirect: true]) do
     {:ok, %Response{
       status_code: 200,
       body: File.read!("test/fixtures/httpoison_mock/https___social.heldscal.la_user_29191.xml")
     }}
   end
 
-  def get("https://social.heldscal.la/.well-known/webfinger?resource=https://social.heldscal.la/user/29191", [Accept: "application/xrd+xml"], []) do
+  def get("https://social.heldscal.la/.well-known/webfinger?resource=https://social.heldscal.la/user/29191", [Accept: "application/xrd+xml,application/jrd+json"], [follow_redirect: true]) do
     {:ok, %Response{
       status_code: 200,
       body: File.read!("test/fixtures/httpoison_mock/https___social.heldscal.la_user_29191.xml")
     }}
   end
 
-  def get("https://mastodon.social/.well-known/webfinger", [Accept: "application/xrd+xml"], [params: [resource: "https://mastodon.social/users/lambadalambda"]]) do
+  def get("https://mastodon.social/.well-known/webfinger", [Accept: "application/xrd+xml,application/jrd+json"], [params: [resource: "https://mastodon.social/users/lambadalambda"], follow_redirect: true]) do
     {:ok, %Response{
       status_code: 200,
       body: File.read!("test/fixtures/httpoison_mock/https___mastodon.social_users_lambadalambda.xml")
     }}
   end
 
-  def get("https://mastodon.social/.well-known/webfinger?resource=https://mastodon.social/users/lambadalambda", [Accept: "application/xrd+xml"], []) do
+  def get("https://mastodon.social/.well-known/webfinger?resource=https://mastodon.social/users/lambadalambda", [Accept: "application/xrd+xml,application/jrd+json"], [follow_redirect: true]) do
     {:ok, %Response{
       status_code: 200,
       body: File.read!("test/fixtures/httpoison_mock/https___mastodon.social_users_lambadalambda.xml")
     }}
   end
 
-  def get("https://shitposter.club/.well-known/webfinger", [Accept: "application/xrd+xml"], [params: [resource: "https://shitposter.club/user/1"]]) do
+  def get("https://shitposter.club/.well-known/webfinger", [Accept: "application/xrd+xml,application/jrd+json"], [params: [resource: "https://shitposter.club/user/1"], follow_redirect: true]) do
     {:ok, %Response{
       status_code: 200,
       body: File.read!("test/fixtures/httpoison_mock/https___shitposter.club_user_1.xml")
     }}
   end
 
-  def get("https://shitposter.club/.well-known/webfinger?resource=https://shitposter.club/user/1", [Accept: "application/xrd+xml"], []) do
+  def get("https://shitposter.club/.well-known/webfinger?resource=https://shitposter.club/user/1", [Accept: "application/xrd+xml,application/jrd+json"], [follow_redirect: true]) do
     {:ok, %Response{
       status_code: 200,
       body: File.read!("test/fixtures/httpoison_mock/https___shitposter.club_user_1.xml")
     }}
   end
 
-  def get("https://shitposter.club/.well-known/webfinger?resource=https://shitposter.club/user/5381", [Accept: "application/xrd+xml"], []) do
+  def get("https://shitposter.club/.well-known/webfinger?resource=https://shitposter.club/user/5381", [Accept: "application/xrd+xml,application/jrd+json"], [follow_redirect: true]) do
     {:ok, %Response{
       status_code: 200,
       body: File.read!("test/fixtures/httpoison_mock/spc_5381_xrd.xml")
     }}
   end
 
-  def get("http://gs.example.org/.well-known/webfinger", [Accept: "application/xrd+xml"], [params: [resource: "http://gs.example.org:4040/index.php/user/1"], follow_redirect: true]) do
+  def get("http://gs.example.org/.well-known/webfinger", [Accept: "application/xrd+xml,application/jrd+json"], [params: [resource: "http://gs.example.org:4040/index.php/user/1"], follow_redirect: true]) do
     {:ok, %Response{
       status_code: 200,
       body: File.read!("test/fixtures/httpoison_mock/http___gs.example.org_4040_index.php_user_1.xml")
     }}
   end
 
-  def get("http://gs.example.org/.well-known/webfinger?resource=http://gs.example.org:4040/index.php/user/1", [Accept: "application/xrd+xml"], []) do
+  def get("http://gs.example.org/.well-known/webfinger?resource=http://gs.example.org:4040/index.php/user/1", [Accept: "application/xrd+xml,application/jrd+json"], [follow_redirect: true]) do
     {:ok, %Response{
       status_code: 200,
       body: File.read!("test/fixtures/httpoison_mock/http___gs.example.org_4040_index.php_user_1.xml")
     }}
   end
 
-  def get("https://social.stopwatchingus-heidelberg.de/.well-known/webfinger?resource=https://social.stopwatchingus-heidelberg.de/user/18330", [Accept: "application/xrd+xml"], []) do
+  def get("https://social.stopwatchingus-heidelberg.de/.well-known/webfinger?resource=https://social.stopwatchingus-heidelberg.de/user/18330", [Accept: "application/xrd+xml,application/jrd+json"], [follow_redirect: true]) do
     {:ok, %Response{
       status_code: 200,
       body: File.read!("test/fixtures/httpoison_mock/atarifrosch_webfinger.xml")
     }}
   end
 
-  def get("https://pleroma.soykaf.com/.well-known/webfinger", [Accept: "application/xrd+xml"], [params: [resource: "https://pleroma.soykaf.com/users/lain"]]) do
+  def get("https://pleroma.soykaf.com/.well-known/webfinger", [Accept: "application/xrd+xml,application/jrd+json"], [params: [resource: "https://pleroma.soykaf.com/users/lain"], follow_redirect: true]) do
     {:ok, %Response{
       status_code: 200,
       body: File.read!("test/fixtures/httpoison_mock/https___pleroma.soykaf.com_users_lain.xml")
     }}
   end
 
-  def get("https://pleroma.soykaf.com/.well-known/webfinger?resource=https://pleroma.soykaf.com/users/lain", [Accept: "application/xrd+xml"], []) do
+  def get("https://pleroma.soykaf.com/.well-known/webfinger?resource=https://pleroma.soykaf.com/users/lain", [Accept: "application/xrd+xml,application/jrd+json"], [follow_redirect: true]) do
     {:ok, %Response{
       status_code: 200,
       body: File.read!("test/fixtures/httpoison_mock/https___pleroma.soykaf.com_users_lain.xml")
@@ -205,14 +212,14 @@ def post("https://social.heldscal.la/main/push/hub", {:form, data}, ["Content-ty
     }}
   end
 
-  def get("https://pawoo.net/.well-known/webfinger", [Accept: "application/xrd+xml"], [params: [resource: "https://pawoo.net/users/pekorino"]]) do
+  def get("https://pawoo.net/.well-known/webfinger", [Accept: "application/xrd+xml,application/jrd+json"], [params: [resource: "https://pawoo.net/users/pekorino"], follow_redirect: true]) do
     {:ok, %Response{
       status_code: 200,
       body: File.read!("test/fixtures/httpoison_mock/https___pawoo.net_users_pekorino.xml")
     }}
   end
 
-  def get("https://pawoo.net/.well-known/webfinger?resource=https://pawoo.net/users/pekorino", [Accept: "application/xrd+xml"], []) do
+  def get("https://pawoo.net/.well-known/webfinger?resource=https://pawoo.net/users/pekorino", [Accept: "application/xrd+xml,application/jrd+json"], [follow_redirect: true]) do
     {:ok, %Response{
       status_code: 200,
       body: File.read!("test/fixtures/httpoison_mock/https___pawoo.net_users_pekorino.xml")
@@ -226,42 +233,42 @@ def get("https://pawoo.net/users/pekorino.atom", _, _) do
     }}
   end
 
-  def get("https://mamot.fr/.well-known/webfinger", [Accept: "application/xrd+xml"], [params: [resource: "https://mamot.fr/users/Skruyb"]]) do
+  def get("https://mamot.fr/.well-known/webfinger", [Accept: "application/xrd+xml,application/jrd+json"], [params: [resource: "https://mamot.fr/users/Skruyb"], follow_redirect: true]) do
     {:ok, %Response{
       status_code: 200,
       body: File.read!("test/fixtures/httpoison_mock/skruyb@mamot.fr.atom")
     }}
   end
 
-  def get("https://mamot.fr/.well-known/webfinger?resource=https://mamot.fr/users/Skruyb", [Accept: "application/xrd+xml"], []) do
+  def get("https://mamot.fr/.well-known/webfinger?resource=https://mamot.fr/users/Skruyb", [Accept: "application/xrd+xml,application/jrd+json"], [follow_redirect: true]) do
     {:ok, %Response{
       status_code: 200,
       body: File.read!("test/fixtures/httpoison_mock/skruyb@mamot.fr.atom")
     }}
   end
 
-  def get("https://social.sakamoto.gq/.well-known/webfinger", [Accept: "application/xrd+xml"], [params: [resource: "https://social.sakamoto.gq/users/eal"]]) do
+  def get("https://social.sakamoto.gq/.well-known/webfinger", [Accept: "application/xrd+xml,application/jrd+json"], [params: [resource: "https://social.sakamoto.gq/users/eal"], follow_redirect: true]) do
     {:ok, %Response{
       status_code: 200,
       body: File.read!("test/fixtures/httpoison_mock/eal_sakamoto.xml")
     }}
   end
 
-  def get("https://social.sakamoto.gq/.well-known/webfinger?resource=https://social.sakamoto.gq/users/eal", [Accept: "application/xrd+xml"], []) do
+  def get("https://social.sakamoto.gq/.well-known/webfinger?resource=https://social.sakamoto.gq/users/eal", [Accept: "application/xrd+xml,application/jrd+json"], [follow_redirect: true]) do
     {:ok, %Response{
       status_code: 200,
       body: File.read!("test/fixtures/httpoison_mock/eal_sakamoto.xml")
     }}
   end
 
-  def get("https://pleroma.soykaf.com/.well-known/webfinger?resource=https://pleroma.soykaf.com/users/shp", [Accept: "application/xrd+xml"], []) do
+  def get("https://pleroma.soykaf.com/.well-known/webfinger?resource=https://pleroma.soykaf.com/users/shp", [Accept: "application/xrd+xml,application/jrd+json"], [follow_redirect: true]) do
     {:ok, %Response{
       status_code: 200,
       body: File.read!("test/fixtures/httpoison_mock/shp@pleroma.soykaf.com.webfigner")
     }}
   end
 
-  def get("https://squeet.me/xrd/?uri=lain@squeet.me", [Accept: "application/xrd+xml"], []) do
+  def get("https://squeet.me/xrd/?uri=lain@squeet.me", [Accept: "application/xrd+xml,application/jrd+json"], [follow_redirect: true]) do
     {:ok, %Response{
       status_code: 200,
       body: File.read!("test/fixtures/httpoison_mock/lain_squeet.me_webfinger.xml")

test/web/mastodon_api/status_view_test.exs

@@ -58,10 +58,7 @@ test "contains mentions" do
     incoming = File.read!("test/fixtures/incoming_reply_mastodon.xml")
     # a user with this ap id might be in the cache.
     recipient = "https://pleroma.soykaf.com/users/lain"
-    user = User.get_cached_by_ap_id(recipient) || insert(:user, %{ap_id: recipient})
-
-    # invalidate the cache
-    User.invalidate_cache(user)
+    user = insert(:user, %{ap_id: recipient})
 
     {:ok, [activity]} = OStatus.handle_incoming(incoming)
 

test/web/web_finger/web_finger_test.exs

@@ -15,20 +15,20 @@ 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
 
   describe "fingering" do
-    test "returns the info for a user" do
+    test "returns the info for an OStatus user" do
       user = "shp@social.heldscal.la"
 
       {:ok, data} = WebFinger.finger(user)
@@ -39,6 +39,12 @@ test "returns the info for a user" do
       assert data["salmon"] == "https://social.heldscal.la/main/salmon/user/29191"
     end
 
+    test "returns the ActivityPub actor URI for an ActivityPub user" do
+      user = "framasoft@framatube.org"
+
+      {:ok, _data} = WebFinger.finger(user)
+    end
+
     test "it works for friendica" do
       user = "lain@squeet.me"