Merge branch 'features/bio_rel_me' into 'develop'

Add rel=me to the User bio Closes #423 See merge request pleroma/pleroma!813

Merge branch 'features/bio_rel_me' into 'develop'
ace42316 · kaniini · 6c6a2dbf · f2452d57 · ace42316 · ace42316
Commit ace42316 authored 6 years ago by kaniini
--- a/lib/pleroma/user.ex
+++ b/lib/pleroma/user.ex
@@ -22,6 +22,7 @@ defmodule Pleroma.User do
  alias Pleroma.Web.OAuth
  alias Pleroma.Web.ActivityPub.Utils
  alias Pleroma.Web.ActivityPub.ActivityPub
+  alias Pleroma.Web.RelMe

  require Logger

@@ -1232,8 +1233,14 @@ defmodule Pleroma.User do
        {String.trim(name, ":"), url}
      end)

+    # TODO: get profile URLs other than user.ap_id
+    profile_urls = [user.ap_id]
+
    bio
-    |> CommonUtils.format_input("text/plain", mentions_format: :full)
+    |> CommonUtils.format_input("text/plain",
+      mentions_format: :full,
+      rel: &RelMe.maybe_put_rel_me(&1, profile_urls)
+    )
    |> elem(0)
    |> Formatter.emojify(emoji)
  end

--- a/lib/pleroma/web/rel_me.ex
+++ b/lib/pleroma/web/rel_me.ex
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.RelMe do
+  @hackney_options [
+    pool: :media,
+    timeout: 2_000,
+    recv_timeout: 2_000,
+    max_body: 2_000_000
+  ]
+
+  if Mix.env() == :test do
+    def parse(url) when is_binary(url), do: parse_url(url)
+  else
+    def parse(url) when is_binary(url) do
+      Cachex.fetch!(:rel_me_cache, url, fn _ ->
+        {:commit, parse_url(url)}
+      end)
+    rescue
+      e -> {:error, "Cachex error: #{inspect(e)}"}
+    end
+  end
+
+  def parse(_), do: {:error, "No URL provided"}
+
+  defp parse_url(url) do
+    {:ok, %Tesla.Env{body: html}} = Pleroma.HTTP.get(url, [], adapter: @hackney_options)
+
+    data =
+      Floki.attribute(html, "link[rel=me]", "href") ++ Floki.attribute(html, "a[rel=me]", "href")
+
+    {:ok, data}
+  rescue
+    e -> {:error, "Parsing error: #{inspect(e)}"}
+  end
+
+  def maybe_put_rel_me("http" <> _ = target_page, profile_urls) when is_list(profile_urls) do
+    {:ok, rel_me_hrefs} = parse(target_page)
+
+    true = Enum.any?(rel_me_hrefs, fn x -> x in profile_urls end)
+
+    "me"
+  rescue
+    _ -> nil
+  end
+
+  def maybe_put_rel_me(_, _) do
+    nil
+  end
+end
--- a/test/fixtures/rel_me_anchor.html
+++ b/test/fixtures/rel_me_anchor.html
+<!DOCTYPE html>
+<html>
+	<head>
+		<meta charset="utf-8"/>
+		<title>Blog</title>
+	</head>
+	<body>
+	<article>
+		<h1>Lorem ipsum</h1>
+		<p>Lorem ipsum dolor sit ameph, …</p>
+		<a rel="me" href="https://social.example.org/users/lain">lain’s account</a>
+	</article>
+	</body>
+</html>
--- a/test/fixtures/rel_me_link.html
+++ b/test/fixtures/rel_me_link.html
+<!DOCTYPE html>
+<html>
+	<head>
+		<meta charset="utf-8"/>
+		<title>Blog</title>
+		<link rel="me" href="https://social.example.org/users/lain"/>
+	</head>
+	<body>
+	<article>
+		<h1>Lorem ipsum</h1>
+		<p>Lorem ipsum dolor sit ameph, …</p>
+	</article>
+	</body>
+</html>
--- a/test/fixtures/rel_me_null.html
+++ b/test/fixtures/rel_me_null.html
+<!DOCTYPE html>
+<html>
+	<head>
+		<meta charset="utf-8"/>
+		<title>Blog</title>
+	</head>
+	<body>
+	<article>
+		<h1>Lorem ipsum</h1>
+		<p>Lorem ipsum dolor sit ameph, …</p>
+	</article>
+	</body>
+</html>
--- a/test/user_test.exs
+++ b/test/user_test.exs
@@ -1054,6 +1054,22 @@ defmodule Pleroma.UserTest do

      assert expected_text == User.parse_bio(bio, user)
    end
+
+    test "Adds rel=me on linkbacked urls" do
+      user = insert(:user, ap_id: "http://social.example.org/users/lain")
+
+      bio = "http://example.org/rel_me/null"
+      expected_text = "<a href=\"#{bio}\">#{bio}</a>"
+      assert expected_text == User.parse_bio(bio, user)
+
+      bio = "http://example.org/rel_me/link"
+      expected_text = "<a href=\"#{bio}\">#{bio}</a>"
+      assert expected_text == User.parse_bio(bio, user)
+
+      bio = "http://example.org/rel_me/anchor"
+      expected_text = "<a href=\"#{bio}\">#{bio}</a>"
+      assert expected_text == User.parse_bio(bio, user)
+    end
  end

  test "bookmarks" do

--- a/test/web/rel_me_test.exs
+++ b/test/web/rel_me_test.exs
+defmodule Pleroma.Web.RelMeTest do
+  use ExUnit.Case, async: true
+
+  setup do
+    Tesla.Mock.mock(fn
+      %{
+        method: :get,
+        url: "http://example.com/rel_me/anchor"
+      } ->
+        %Tesla.Env{status: 200, body: File.read!("test/fixtures/rel_me_anchor.html")}
+
+      %{
+        method: :get,
+        url: "http://example.com/rel_me/link"
+      } ->
+        %Tesla.Env{status: 200, body: File.read!("test/fixtures/rel_me_link.html")}
+
+      %{
+        method: :get,
+        url: "http://example.com/rel_me/null"
+      } ->
+        %Tesla.Env{status: 200, body: File.read!("test/fixtures/rel_me_null.html")}
+    end)
+
+    :ok
+  end
+
+  test "parse/1" do
+    hrefs = ["https://social.example.org/users/lain"]
+
+    assert Pleroma.Web.RelMe.parse("http://example.com/rel_me/null") == {:ok, []}
+    assert {:error, _} = Pleroma.Web.RelMe.parse("http://example.com/rel_me/error")
+
+    assert Pleroma.Web.RelMe.parse("http://example.com/rel_me/link") == {:ok, hrefs}
+    assert Pleroma.Web.RelMe.parse("http://example.com/rel_me/anchor") == {:ok, hrefs}
+  end
+
+  test "maybe_put_rel_me/2" do
+    profile_urls = ["https://social.example.org/users/lain"]
+    attr = "me"
+    fallback = nil
+
+    assert Pleroma.Web.RelMe.maybe_put_rel_me("http://example.com/rel_me/null", profile_urls) ==
+             fallback
+
+    assert Pleroma.Web.RelMe.maybe_put_rel_me("http://example.com/rel_me/error", profile_urls) ==
+             fallback
+
+    assert Pleroma.Web.RelMe.maybe_put_rel_me("http://example.com/rel_me/anchor", profile_urls) ==
+             attr
+
+    assert Pleroma.Web.RelMe.maybe_put_rel_me("http://example.com/rel_me/link", profile_urls) ==
+             attr
+  end
+end