Fix XML oEmbed support discovery (#6104)

6 years ago · e0ef7f9d79
parent 127bfda521
commit e0ef7f9d79
3 changed files with 15 additions and 3 deletions
--- a/app/lib/provider_discovery.rb
+++ b/app/lib/provider_discovery.rb
@ -29,7 +29,7 @@ class ProviderDiscovery < OEmbed::ProviderDiscovery
      end

      if format.nil? || format == :xml
-        provider_endpoint ||= html.at_xpath('//link[@type="application/xml+oembed"]')&.attribute('href')&.value
+        provider_endpoint ||= html.at_xpath('//link[@type="text/xml+oembed"]')&.attribute('href')&.value
        format ||= :xml if provider_endpoint
      end

--- a/spec/fixtures/requests/oembed_json_xml.html
+++ b/spec/fixtures/requests/oembed_json_xml.html
@ -1,8 +1,14 @@
 <!DOCTYPE html>
 <html>
  <head>
+    <!--
+      oEmbed
+      https://oembed.com/
+      > The type attribute must contain either application/json+oembed for JSON
+      > responses, or text/xml+oembed for XML.
+    -->
    <link href='https://host/provider.json' rel='alternate' type='application/json+oembed'>
-    <link href='https://host/provider.xml' rel='alternate' type='application/xml+oembed'>
+    <link href='https://host/provider.xml' rel='alternate' type='text/xml+oembed'>
  </head>
  <body></body>
 </html>
--- a/spec/fixtures/requests/oembed_xml.html
+++ b/spec/fixtures/requests/oembed_xml.html
@ -1,7 +1,13 @@
 <!DOCTYPE html>
 <html>
  <head>
-    <link href='https://host/provider.xml' rel='alternate' type='application/xml+oembed'>
+    <!--
+      oEmbed
+      https://oembed.com/
+      > The type attribute must contain either application/json+oembed for JSON
+      > responses, or text/xml+oembed for XML.
+    -->
+    <link href='https://host/provider.xml' rel='alternate' type='text/xml+oembed'>
  </head>
  <body></body>
 </html>