webfinger: fix finding the XRD uri for statusnet instances

lib/pleroma/web/web_finger/web_finger.ex

@@ -214,7 +214,7 @@ defp webfinger_from_json(doc) do
   end
 
   def get_template_from_xml(body) do
-    xpath = "//Link[@rel='lrdd' and @type='application/xrd+xml']/@template"
+    xpath = "//Link[@rel='lrdd']/@template"
 
     with doc when doc != :error <- XML.parse_document(body),
          template when template != nil <- XML.string_from_xpath(xpath, doc) do

test/fixtures/httpoison_mock/status.alpicola.com_host_meta

@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<XRD xmlns="http://docs.oasis-open.org/ns/xri/xrd-1.0"><hm:Host xmlns:hm="http://host-meta.net/xrd/1.0">status.alpicola.com</hm:Host><Link rel="lrdd" template="http://status.alpicola.com/main/xrd?uri={uri}"><Title>Resource Descriptor</Title></Link></XRD>

test/support/httpoison_mock.ex

@@ -531,6 +531,14 @@ def get("http://social.heldscal.la/.well-known/host-meta", [], follow_redirect:
      }}
   end
 
+  def get("http://status.alpicola.com/.well-known/host-meta", [], follow_redirect: true) do
+    {:ok,
+     %Response{
+       status_code: 200,
+       body: File.read!("test/fixtures/httpoison_mock/status.alpicola.com_host_meta")
+     }}
+  end
+
   def get("http://macgirvin.com/.well-known/host-meta", [], follow_redirect: true) do
     {:ok,
      %Response{

test/web/web_finger/web_finger_test.exs

@@ -88,6 +88,12 @@ test "it gets the xrd endpoint for hubzilla" do
 
       assert template == "https://macgirvin.com/xrd/?uri={uri}"
     end
+
+    test "it gets the xrd endpoint for statusnet" do
+      {:ok, template} = WebFinger.find_lrdd_template("status.alpicola.com")
+
+      assert template == "http://status.alpicola.com/main/xrd?uri={uri}"
+    end
   end
 
   describe "ensure_keys_present" do