Merge branch 'develop' of https://git.pleroma.social/pleroma/pleroma into develop

CHANGELOG.md

@@ -41,6 +41,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Mastodon API: Add support for categories for custom emojis by reusing the group feature. <https://github.com/tootsuite/mastodon/pull/11196>
 - Mastodon API: Add support for muting/unmuting notifications
 - Mastodon API: Add support for the `blocked_by` attribute in the relationship API (`GET /api/v1/accounts/relationships`). <https://github.com/tootsuite/mastodon/pull/10373>
+- Mastodon API: Add support for the `domain_blocking` attribute in the relationship API (`GET /api/v1/accounts/relationships`).
 - Mastodon API: Add `pleroma.deactivated` to the Account entity
 - Mastodon API: added `/auth/password` endpoint for password reset with rate limit.
 - Mastodon API: /api/v1/accounts/:id/statuses now supports nicknames or user id

lib/pleroma/plugs/set_format_plug.ex

@@ -0,0 +1,24 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Plugs.SetFormatPlug do
+  import Plug.Conn, only: [assign: 3, fetch_query_params: 1]
+
+  def init(_), do: nil
+
+  def call(conn, _) do
+    case get_format(conn) do
+      nil -> conn
+      format -> assign(conn, :format, format)
+    end
+  end
+
+  defp get_format(conn) do
+    conn.private[:phoenix_format] ||
+      case fetch_query_params(conn) do
+        %{query_params: %{"_format" => format}} -> format
+        _ -> nil
+      end
+  end
+end

lib/pleroma/upload.ex

@@ -228,7 +228,14 @@ defmodule Pleroma.Upload do
           ""
         end
 
-    [base_url, "media", path]
+    prefix =
+      if is_nil(Pleroma.Config.get([__MODULE__, :base_url])) do
+        "media"
+      else
+        ""
+      end
+
+    [base_url, prefix, path]
     |> Path.join()
   end
 

lib/pleroma/user.ex

@@ -882,19 +882,26 @@ defmodule Pleroma.User do
   def muted_notifications?(user, %{ap_id: ap_id}),
     do: Enum.member?(user.info.muted_notifications, ap_id)
 
-  def blocks?(%User{info: info} = _user, %{ap_id: ap_id}) do
+  def blocks?(%User{} = user, %User{} = target) do
-    blocks = info.blocks
+    blocks_ap_id?(user, target) || blocks_domain?(user, target)
-
-    domain_blocks = Pleroma.Web.ActivityPub.MRF.subdomains_regex(info.domain_blocks)
-
-    %{host: host} = URI.parse(ap_id)
-
-    Enum.member?(blocks, ap_id) ||
-      Pleroma.Web.ActivityPub.MRF.subdomain_match?(domain_blocks, host)
   end
 
   def blocks?(nil, _), do: false
 
+  def blocks_ap_id?(%User{} = user, %User{} = target) do
+    Enum.member?(user.info.blocks, target.ap_id)
+  end
+
+  def blocks_ap_id?(_, _), do: false
+
+  def blocks_domain?(%User{} = user, %User{} = target) do
+    domain_blocks = Pleroma.Web.ActivityPub.MRF.subdomains_regex(user.info.domain_blocks)
+    %{host: host} = URI.parse(target.ap_id)
+    Pleroma.Web.ActivityPub.MRF.subdomain_match?(domain_blocks, host)
+  end
+
+  def blocks_domain?(_, _), do: false
+
   def subscribed_to?(user, %{ap_id: ap_id}) do
     with %User{} = target <- get_cached_by_ap_id(ap_id) do
       Enum.member?(target.info.subscribers, user.ap_id)

lib/pleroma/web/mastodon_api/views/account_view.ex

@@ -50,13 +50,13 @@ defmodule Pleroma.Web.MastodonAPI.AccountView do
       id: to_string(target.id),
       following: User.following?(user, target),
       followed_by: User.following?(target, user),
-      blocking: User.blocks?(user, target),
+      blocking: User.blocks_ap_id?(user, target),
-      blocked_by: User.blocks?(target, user),
+      blocked_by: User.blocks_ap_id?(target, user),
       muting: User.mutes?(user, target),
       muting_notifications: User.muted_notifications?(user, target),
       subscribing: User.subscribed_to?(user, target),
       requested: requested,
-      domain_blocking: false,
+      domain_blocking: User.blocks_domain?(user, target),
       showing_reblogs: User.showing_reblogs?(user, target),
       endorsed: false
     }

lib/pleroma/web/mastodon_api/views/status_view.ex

@@ -222,7 +222,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
       if user.local do
         Pleroma.Web.Router.Helpers.o_status_url(Pleroma.Web.Endpoint, :notice, activity)
       else
-        object.data["external_url"] || object.data["id"]
+        object.data["url"] || object.data["external_url"] || object.data["id"]
       end
 
     %{

lib/pleroma/web/twitter_api/controllers/util_controller.ex

@@ -17,7 +17,6 @@ defmodule Pleroma.Web.TwitterAPI.UtilController do
   alias Pleroma.Web
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.CommonAPI
-  alias Pleroma.Web.OStatus
   alias Pleroma.Web.WebFinger
 
   def help_test(conn, _params) do
@@ -60,7 +59,7 @@ defmodule Pleroma.Web.TwitterAPI.UtilController do
       %Activity{id: activity_id} = Activity.get_create_by_object_ap_id(object.data["id"])
       redirect(conn, to: "/notice/#{activity_id}")
     else
-      {err, followee} = OStatus.find_or_make_user(acct)
+      {err, followee} = User.get_or_fetch(acct)
       avatar = User.avatar_url(followee)
       name = followee.nickname
       id = followee.id

lib/pleroma/web/web_finger/web_finger.ex

@@ -86,11 +86,17 @@ defmodule Pleroma.Web.WebFinger do
     |> XmlBuilder.to_doc()
   end
 
-  defp get_magic_key(magic_key) do
+  defp get_magic_key("data:application/magic-public-key," <> magic_key) do
-    "data:application/magic-public-key," <> magic_key = magic_key
     {:ok, magic_key}
-  rescue
+  end
-    MatchError -> {:error, "Missing magic key data."}
+
+  defp get_magic_key(nil) do
+    Logger.debug("Undefined magic key.")
+    {:ok, nil}
+  end
+
+  defp get_magic_key(_) do
+    {:error, "Missing magic key data."}
   end
 
   defp webfinger_from_xml(doc) do
@@ -187,6 +193,7 @@ defmodule Pleroma.Web.WebFinger do
     end
   end
 
+  @spec finger(String.t()) :: {:ok, map()} | {:error, any()}
   def finger(account) do
     account = String.trim_leading(account, "@")
 
@@ -220,8 +227,6 @@ defmodule Pleroma.Web.WebFinger do
       else
         with {:ok, doc} <- Jason.decode(body) do
           webfinger_from_json(doc)
-        else
-          {:error, e} -> e
         end
       end
     else

lib/pleroma/web/web_finger/web_finger_controller.ex

@@ -7,6 +7,7 @@ defmodule Pleroma.Web.WebFinger.WebFingerController do
 
   alias Pleroma.Web.WebFinger
 
+  plug(Pleroma.Plugs.SetFormatPlug)
   plug(Pleroma.Web.FederatingPlug)
 
   def host_meta(conn, _params) do
@@ -17,9 +18,8 @@ defmodule Pleroma.Web.WebFinger.WebFingerController do
     |> send_resp(200, xml)
   end
 
-  def webfinger(conn, %{"resource" => resource}) do
+  def webfinger(%{assigns: %{format: format}} = conn, %{"resource" => resource})
-    case get_format(conn) do
+      when format in ["xml", "xrd+xml"] do
-      n when n in ["xml", "xrd+xml"] ->
     with {:ok, response} <- WebFinger.webfinger(resource, "XML") do
       conn
       |> put_resp_content_type("application/xrd+xml")
@@ -27,20 +27,19 @@ defmodule Pleroma.Web.WebFinger.WebFingerController do
     else
       _e -> send_resp(conn, 404, "Couldn't find user")
     end
+  end
 
-      n when n in ["json", "jrd+json"] ->
+  def webfinger(%{assigns: %{format: format}} = conn, %{"resource" => resource})
+      when format in ["json", "jrd+json"] do
     with {:ok, response} <- WebFinger.webfinger(resource, "JSON") do
       json(conn, response)
     else
-          _e -> send_resp(conn, 404, "Couldn't find user")
+      _e ->
-        end
+        conn
-
+        |> put_status(404)
-      _ ->
+        |> json("Couldn't find user")
-        send_resp(conn, 404, "Unsupported format")
     end
   end
 
-  def webfinger(conn, _params) do
+  def webfinger(conn, _params), do: send_resp(conn, 400, "Bad Request")
-    send_resp(conn, 400, "Bad Request")
-  end
 end

test/fixtures/tesla_mock/kpherox@mstdn.jp.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<XRD xmlns="http://docs.oasis-open.org/ns/xri/xrd-1.0">
+  <Subject>acct:kPherox@mstdn.jp</Subject>
+  <Alias>https://mstdn.jp/@kPherox</Alias>
+  <Alias>https://mstdn.jp/users/kPherox</Alias>
+  <Link rel="http://webfinger.net/rel/profile-page" type="text/html" href="https://mstdn.jp/@kPherox"/>
+  <Link rel="http://schemas.google.com/g/2010#updates-from" type="application/atom+xml" href="https://mstdn.jp/users/kPherox.atom"/>
+  <Link rel="self" type="application/activity+json" href="https://mstdn.jp/users/kPherox"/>
+  <Link rel="http://ostatus.org/schema/1.0/subscribe" template="https://mstdn.jp/authorize_interaction?acct={uri}"/>
+</XRD>

test/fixtures/tesla_mock/wedistribute-article.json

@@ -0,0 +1,18 @@
+{
+  "@context": [
+    "https://www.w3.org/ns/activitystreams"
+  ],
+  "type": "Article",
+  "name": "The end is near: Mastodon plans to drop OStatus support",
+  "content": "<!-- wp:paragraph {\"dropCap\":true} -->\n<p class=\"has-drop-cap\">The days of OStatus are numbered. The venerable protocol has served as a glue between many different types of servers since the early days of the Fediverse, connecting StatusNet (now GNU Social) to Friendica, Hubzilla, Mastodon, and Pleroma.</p>\n<!-- /wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>Now that many fediverse platforms support ActivityPub as a successor protocol, Mastodon appears to be drawing a line in the sand. In <a href=\"https://www.patreon.com/posts/mastodon-2-9-and-28121681\">a Patreon update</a>, Eugen Rochko writes:</p>\n<!-- /wp:paragraph -->\n\n<!-- wp:quote -->\n<blockquote class=\"wp-block-quote\"><p>...OStatus...has overstayed its welcome in the code...and now that most of the network uses ActivityPub, it's time for it to go. </p><cite>Eugen Rochko, Mastodon creator</cite></blockquote>\n<!-- /wp:quote -->\n\n<!-- wp:paragraph -->\n<p>The <a href=\"https://github.com/tootsuite/mastodon/pull/11205\">pull request</a> to remove Pubsubhubbub and Salmon, two of the main components of OStatus, has already been merged into Mastodon's master branch.</p>\n<!-- /wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>Some projects will be left in the dark as a side effect of this. GNU Social and PostActiv, for example, both only communicate using OStatus. While <a href=\"https://mastodon.social/@dansup/102076573310057902\">some discussion</a> exists regarding adopting ActivityPub for GNU Social, and <a href=\"https://notabug.org/diogo/gnu-social/src/activitypub/plugins/ActivityPub\">a plugin is in development</a>, it hasn't been formally adopted yet. We just hope that the <a href=\"https://status.fsf.org/main/public\">Free Software Foundation's instance</a> gets updated in time!</p>\n<!-- /wp:paragraph -->",
+  "summary": "One of the largest platforms in the federated social web is dropping the protocol that it started with.",
+  "attributedTo": "https://wedistribute.org/wp-json/pterotype/v1/actor/-blog",
+  "url": "https://wedistribute.org/2019/07/mastodon-drops-ostatus/",
+  "to": [
+    "https://www.w3.org/ns/activitystreams#Public",
+    "https://wedistribute.org/wp-json/pterotype/v1/actor/-blog/followers"
+  ],
+  "id": "https://wedistribute.org/wp-json/pterotype/v1/object/85810",
+  "likes": "https://wedistribute.org/wp-json/pterotype/v1/object/85810/likes",
+  "shares": "https://wedistribute.org/wp-json/pterotype/v1/object/85810/shares"
+}

test/fixtures/tesla_mock/wedistribute-user.json

@@ -0,0 +1,31 @@
+{
+  "@context": [
+    "https://www.w3.org/ns/activitystreams",
+    "https://w3id.org/security/v1",
+    {
+      "manuallyApprovesFollowers": "as:manuallyApprovesFollowers"
+    }
+  ],
+  "type": "Organization",
+  "id": "https://wedistribute.org/wp-json/pterotype/v1/actor/-blog",
+  "following": "https://wedistribute.org/wp-json/pterotype/v1/actor/-blog/following",
+  "followers": "https://wedistribute.org/wp-json/pterotype/v1/actor/-blog/followers",
+  "liked": "https://wedistribute.org/wp-json/pterotype/v1/actor/-blog/liked",
+  "inbox": "https://wedistribute.org/wp-json/pterotype/v1/actor/-blog/inbox",
+  "outbox": "https://wedistribute.org/wp-json/pterotype/v1/actor/-blog/outbox",
+  "name": "We Distribute",
+  "preferredUsername": "blog",
+  "summary": "<p>Connecting many threads in the federated web. We Distribute is an independent publication dedicated to the fediverse, decentralization, P2P technologies, and Free Software!</p>",
+  "url": "https://wedistribute.org/",
+  "publicKey": {
+    "id": "https://wedistribute.org/wp-json/pterotype/v1/actor/-blog#publicKey",
+    "owner": "https://wedistribute.org/wp-json/pterotype/v1/actor/-blog",
+    "publicKeyPem": "-----BEGIN PUBLIC KEY-----\r\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1bmUJ+y8PS8JFVi0KugN\r\nFl4pLvLog3V2lsV9ftmCXpveB/WJx66Tr1fQLsU3qYvQFc8UPGWD52zV4RENR1SN\r\nx0O6T2f97KUbRM+Ckow7Jyjtssgl+Mqq8UBZQ/+H8I/1Vpvt5E5hUykhFgwzx9qg\r\nzoIA3OK7alOpQbSoKXo0QcOh6yTRUnMSRMJAgUoZJzzXI/FmH/DtKr7ziQ1T2KWs\r\nVs8mWnTb/OlCxiheLuMlmJNMF+lPyVthvMIxF6Z5gV9d5QAmASSCI628e6uH2EUF\r\nDEEF5jo+Z5ffeNv28953lrnM+VB/wTjl3tYA+zCQeAmUPksX3E+YkXGxj+4rxBAY\r\n8wIDAQAB\r\n-----END PUBLIC KEY-----"
+  },
+  "manuallyApprovesFollowers": false,
+  "icon": {
+    "url": "https://wedistribute.org/wp-content/uploads/2019/02/b067de423757a538.png",
+    "type": "Image",
+    "mediaType": "image/png"
+  }
+}

test/object/fetcher_test.exs

@@ -110,6 +110,13 @@ defmodule Pleroma.Object.FetcherTest do
       assert object
     end
 
+    test "it can fetch wedistribute articles" do
+      {:ok, object} =
+        Fetcher.fetch_object_from_id("https://wedistribute.org/wp-json/pterotype/v1/object/85810")
+
+      assert object
+    end
+
     test "all objects with fake directions are rejected by the object fetcher" do
       assert {:error, _} =
                Fetcher.fetch_and_contain_remote_object_from_id(

test/plugs/set_format_plug_test.exs

@@ -0,0 +1,38 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Plugs.SetFormatPlugTest do
+  use ExUnit.Case, async: true
+  use Plug.Test
+
+  alias Pleroma.Plugs.SetFormatPlug
+
+  test "set format from params" do
+    conn =
+      :get
+      |> conn("/cofe?_format=json")
+      |> SetFormatPlug.call([])
+
+    assert %{format: "json"} == conn.assigns
+  end
+
+  test "set format from header" do
+    conn =
+      :get
+      |> conn("/cofe")
+      |> put_private(:phoenix_format, "xml")
+      |> SetFormatPlug.call([])
+
+    assert %{format: "xml"} == conn.assigns
+  end
+
+  test "doesn't set format" do
+    conn =
+      :get
+      |> conn("/cofe")
+      |> SetFormatPlug.call([])
+
+    refute conn.assigns[:format]
+  end
+end

test/support/http_request_mock.ex

@@ -301,6 +301,22 @@ defmodule HttpRequestMock do
      }}
   end
 
+  def get("https://wedistribute.org/wp-json/pterotype/v1/object/85810", _, _, _) do
+    {:ok,
+     %Tesla.Env{
+       status: 200,
+       body: File.read!("test/fixtures/tesla_mock/wedistribute-article.json")
+     }}
+  end
+
+  def get("https://wedistribute.org/wp-json/pterotype/v1/actor/-blog", _, _, _) do
+    {:ok,
+     %Tesla.Env{
+       status: 200,
+       body: File.read!("test/fixtures/tesla_mock/wedistribute-user.json")
+     }}
+  end
+
   def get("http://mastodon.example.org/users/admin", _, _, Accept: "application/activity+json") do
     {:ok,
      %Tesla.Env{
@@ -614,6 +630,15 @@ defmodule HttpRequestMock do
      }}
   end
 
+  def get(
+        "https://social.heldscal.la/.well-known/webfinger?resource=invalid_content@social.heldscal.la",
+        _,
+        _,
+        Accept: "application/xrd+xml,application/jrd+json"
+      ) do
+    {:ok, %Tesla.Env{status: 200, body: ""}}
+  end
+
   def get("http://framatube.org/.well-known/host-meta", _, _, _) do
     {:ok,
      %Tesla.Env{
@@ -915,6 +940,14 @@ defmodule HttpRequestMock do
     {:ok, %Tesla.Env{status: 404, body: ""}}
   end
 
+  def get("https://mstdn.jp/.well-known/webfinger?resource=acct:kpherox@mstdn.jp", _, _, _) do
+    {:ok,
+     %Tesla.Env{
+       status: 200,
+       body: File.read!("test/fixtures/tesla_mock/kpherox@mstdn.jp.xml")
+     }}
+  end
+
   def get(url, query, body, headers) do
     {:error,
      "Not implemented the mock response for get #{inspect(url)}, #{query}, #{inspect(body)}, #{

test/upload/filter/dedupe_test.exs

@@ -25,7 +25,7 @@ defmodule Pleroma.Upload.Filter.DedupeTest do
 
     assert {
              :ok,
-             %Pleroma.Upload{id: @shasum, path: "#{@shasum}.jpg"}
+             %Pleroma.Upload{id: @shasum, path: @shasum <> ".jpg"}
            } = Dedupe.filter(upload)
   end
 end

test/upload_test.exs

@@ -122,24 +122,6 @@ defmodule Pleroma.UploadTest do
       assert String.starts_with?(url, Pleroma.Web.base_url() <> "/media/")
     end
 
-    test "returns a media url with configured base_url" do
-      base_url = "https://cache.pleroma.social"
-
-      File.cp!("test/fixtures/image.jpg", "test/fixtures/image_tmp.jpg")
-
-      file = %Plug.Upload{
-        content_type: "image/jpg",
-        path: Path.absname("test/fixtures/image_tmp.jpg"),
-        filename: "image.jpg"
-      }
-
-      {:ok, data} = Upload.store(file, base_url: base_url)
-
-      assert %{"url" => [%{"href" => url}]} = data
-
-      assert String.starts_with?(url, base_url <> "/media/")
-    end
-
     test "copies the file to the configured folder with deduping" do
       File.cp!("test/fixtures/image.jpg", "test/fixtures/image_tmp.jpg")
 
@@ -266,4 +248,32 @@ defmodule Pleroma.UploadTest do
                "%3A%3F%23%5B%5D%40%21%24%26%5C%27%28%29%2A%2B%2C%3B%3D.jpg"
     end
   end
+
+  describe "Setting a custom base_url for uploaded media" do
+    setup do
+      Pleroma.Config.put([Pleroma.Upload, :base_url], "https://cache.pleroma.social")
+
+      on_exit(fn ->
+        Pleroma.Config.put([Pleroma.Upload, :base_url], nil)
+      end)
+    end
+
+    test "returns a media url with configured base_url" do
+      base_url = Pleroma.Config.get([Pleroma.Upload, :base_url])
+
+      File.cp!("test/fixtures/image.jpg", "test/fixtures/image_tmp.jpg")
+
+      file = %Plug.Upload{
+        content_type: "image/jpg",
+        path: Path.absname("test/fixtures/image_tmp.jpg"),
+        filename: "image.jpg"
+      }
+
+      {:ok, data} = Upload.store(file, base_url: base_url)
+
+      assert %{"url" => [%{"href" => url}]} = data
+
+      refute String.starts_with?(url, base_url <> "/media/")
+    end
+  end
 end

test/web/mastodon_api/account_view_test.exs

@@ -231,6 +231,16 @@ defmodule Pleroma.Web.MastodonAPI.AccountViewTest do
                AccountView.render("relationship.json", %{user: user, target: other_user})
     end
 
+    test "represent a relationship for the user blocking a domain" do
+      user = insert(:user)
+      other_user = insert(:user, ap_id: "https://bad.site/users/other_user")
+
+      {:ok, user} = User.block_domain(user, "bad.site")
+
+      assert %{domain_blocking: true, blocking: false} =
+               AccountView.render("relationship.json", %{user: user, target: other_user})
+    end
+
     test "represent a relationship for the user with a pending follow request" do
       user = insert(:user)
       other_user = insert(:user, %{info: %User.Info{locked: true}})

test/web/mastodon_api/status_view_test.exs

@@ -300,6 +300,16 @@ defmodule Pleroma.Web.MastodonAPI.StatusViewTest do
     assert %{id: "2"} = StatusView.render("attachment.json", %{attachment: object})
   end
 
+  test "put the url advertised in the Activity in to the url attribute" do
+    id = "https://wedistribute.org/wp-json/pterotype/v1/object/85810"
+    [activity] = Activity.search(nil, id)
+
+    status = StatusView.render("status.json", %{activity: activity})
+
+    assert status.uri == id
+    assert status.url == "https://wedistribute.org/2019/07/mastodon-drops-ostatus/"
+  end
+
   test "a reblog" do
     user = insert(:user)
     activity = insert(:note_activity)

test/web/web_finger/web_finger_controller_test.exs

@@ -19,6 +19,19 @@ defmodule Pleroma.Web.WebFinger.WebFingerControllerTest do
     :ok
   end
 
+  test "GET host-meta" do
+    response =
+      build_conn()
+      |> get("/.well-known/host-meta")
+
+    assert response.status == 200
+
+    assert response.resp_body ==
+             ~s(<?xml version="1.0" encoding="UTF-8"?><XRD xmlns="http://docs.oasis-open.org/ns/xri/xrd-1.0"><Link rel="lrdd" template="#{
+               Pleroma.Web.base_url()
+             }/.well-known/webfinger?resource={uri}" type="application/xrd+xml" /></XRD>)
+  end
+
   test "Webfinger JRD" do
     user = insert(:user)
 
@@ -30,6 +43,16 @@ defmodule Pleroma.Web.WebFinger.WebFingerControllerTest do
     assert json_response(response, 200)["subject"] == "acct:#{user.nickname}@localhost"
   end
 
+  test "it returns 404 when user isn't found (JSON)" do
+    result =
+      build_conn()
+      |> put_req_header("accept", "application/jrd+json")
+      |> get("/.well-known/webfinger?resource=acct:jimm@localhost")
+      |> json_response(404)
+
+    assert result == "Couldn't find user"
+  end
+
   test "Webfinger XML" do
     user = insert(:user)
 
@@ -41,6 +64,26 @@ defmodule Pleroma.Web.WebFinger.WebFingerControllerTest do
     assert response(response, 200)
   end
 
+  test "it returns 404 when user isn't found (XML)" do
+    result =
+      build_conn()
+      |> put_req_header("accept", "application/xrd+xml")
+      |> get("/.well-known/webfinger?resource=acct:jimm@localhost")
+      |> response(404)
+
+    assert result == "Couldn't find user"
+  end
+
+  test "Sends a 404 when invalid format" do
+    user = insert(:user)
+
+    assert_raise Phoenix.NotAcceptableError, fn ->
+      build_conn()
+      |> put_req_header("accept", "text/html")
+      |> get("/.well-known/webfinger?resource=acct:#{user.nickname}@localhost")
+    end
+  end
+
   test "Sends a 400 when resource param is missing" do
     response =
       build_conn()

test/web/web_finger/web_finger_test.exs

@@ -40,6 +40,11 @@ defmodule Pleroma.Web.WebFingerTest do
   end
 
   describe "fingering" do
+    test "returns error when fails parse xml or json" do
+      user = "invalid_content@social.heldscal.la"
+      assert {:error, %Jason.DecodeError{}} = WebFinger.finger(user)
+    end
+
     test "returns the info for an OStatus user" do
       user = "shp@social.heldscal.la"
 
@@ -81,6 +86,20 @@ defmodule Pleroma.Web.WebFingerTest do
       assert data["subscribe_address"] == "https://gnusocial.de/main/ostatussub?profile={uri}"
     end
 
+    test "it work for AP-only user" do
+      user = "kpherox@mstdn.jp"
+
+      {:ok, data} = WebFinger.finger(user)
+
+      assert data["magic_key"] == nil
+      assert data["salmon"] == nil
+
+      assert data["topic"] == "https://mstdn.jp/users/kPherox.atom"
+      assert data["subject"] == "acct:kPherox@mstdn.jp"
+      assert data["ap_id"] == "https://mstdn.jp/users/kPherox"
+      assert data["subscribe_address"] == "https://mstdn.jp/authorize_interaction?acct={uri}"
+    end
+
     test "it works for friendica" do
       user = "lain@squeet.me"