[#1150] fixed parser TwitterCard

lib/pleroma/web/rich_media/parsers/twitter_card.ex

@@ -3,13 +3,20 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.RichMedia.Parsers.TwitterCard do
+  alias Pleroma.Web.RichMedia.Parsers.MetaTagsParser
+
+  @spec parse(String.t(), map()) :: {:ok, map()} | {:error, String.t()}
   def parse(html, data) do
-    Pleroma.Web.RichMedia.Parsers.MetaTagsParser.parse(
+    data
-      html,
+    |> parse_name_attrs(html)
-      data,
+    |> parse_property_attrs(html)
-      "twitter",
+  end
-      "No twitter card metadata found",
+
-      "name"
+  defp parse_name_attrs(data, html) do
-    )
+    MetaTagsParser.parse(html, data, "twitter", %{}, "name")
+  end
+
+  defp parse_property_attrs({_, data}, html) do
+    MetaTagsParser.parse(html, data, "twitter", "No twitter card metadata found", "property")
   end
 end

test/web/rich_media/parsers/twitter_card_test.exs

@@ -0,0 +1,69 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.RichMedia.Parsers.TwitterCardTest do
+  use ExUnit.Case, async: true
+  alias Pleroma.Web.RichMedia.Parsers.TwitterCard
+
+  test "returns error when html not contains twitter card" do
+    assert TwitterCard.parse("", %{}) == {:error, "No twitter card metadata found"}
+  end
+
+  test "parses twitter card with only name attributes" do
+    html = File.read!("test/fixtures/nypd-facial-recognition-children-teenagers3.html")
+
+    assert TwitterCard.parse(html, %{}) ==
+             {:ok,
+              %{
+                "app:id:googleplay": "com.nytimes.android",
+                "app:name:googleplay": "NYTimes",
+                "app:url:googleplay": "nytimes://reader/id/100000006583622",
+                site: nil,
+                title:
+                  "She Was Arrested at 14. Then Her Photo Went to a Facial Recognition Database. - The New York Times"
+              }}
+  end
+
+  test "parses twitter card with only property attributes" do
+    html = File.read!("test/fixtures/nypd-facial-recognition-children-teenagers2.html")
+
+    assert TwitterCard.parse(html, %{}) ==
+             {:ok,
+              %{
+                card: "summary_large_image",
+                description:
+                  "With little oversight, the N.Y.P.D. has been using powerful surveillance technology on photos of children and teenagers.",
+                image:
+                  "https://static01.nyt.com/images/2019/08/01/nyregion/01nypd-juveniles-promo/01nypd-juveniles-promo-videoSixteenByNineJumbo1600.jpg",
+                "image:alt": "",
+                title:
+                  "She Was Arrested at 14. Then Her Photo Went to a Facial Recognition Database.",
+                url:
+                  "https://www.nytimes.com/2019/08/01/nyregion/nypd-facial-recognition-children-teenagers.html"
+              }}
+  end
+
+  test "parses twitter card with name & property attributes" do
+    html = File.read!("test/fixtures/nypd-facial-recognition-children-teenagers.html")
+
+    assert TwitterCard.parse(html, %{}) ==
+             {:ok,
+              %{
+                "app:id:googleplay": "com.nytimes.android",
+                "app:name:googleplay": "NYTimes",
+                "app:url:googleplay": "nytimes://reader/id/100000006583622",
+                card: "summary_large_image",
+                description:
+                  "With little oversight, the N.Y.P.D. has been using powerful surveillance technology on photos of children and teenagers.",
+                image:
+                  "https://static01.nyt.com/images/2019/08/01/nyregion/01nypd-juveniles-promo/01nypd-juveniles-promo-videoSixteenByNineJumbo1600.jpg",
+                "image:alt": "",
+                site: nil,
+                title:
+                  "She Was Arrested at 14. Then Her Photo Went to a Facial Recognition Database.",
+                url:
+                  "https://www.nytimes.com/2019/08/01/nyregion/nypd-facial-recognition-children-teenagers.html"
+              }}
+  end
+end