Generate root-relative paths in Active Storage disk service URL methods

Fixes #32129.

2 files changed, 7 insertions, 38 deletions

diff --git a/activestorage/app/models/active_storage/blob/identifiable.rb b/activestorage/app/models/active_storage/blob/identifiable.rb
index dbe03cfa6c..049e45dc3e 100644
--- a/activestorage/app/models/active_storage/blob/identifiable.rb
+++ b/activestorage/app/models/active_storage/blob/identifiable.rb
@@ -2,7 +2,7 @@
 
 module ActiveStorage::Blob::Identifiable
   def identify
-    update!(content_type: identification.content_type, identified: true) unless identified?
+    update! content_type: identify_content_type, identified: true unless identified?
   end
 
   def identified?
@@ -10,7 +10,11 @@ module ActiveStorage::Blob::Identifiable
   end
 
   private
-    def identification
-      ActiveStorage::Identification.new self
+    def identify_content_type
+      Marcel::MimeType.for download_identifiable_chunk, name: filename.to_s, declared_type: content_type
+    end
+
+    def download_identifiable_chunk
+      service.download_chunk key, 0...4.kilobytes
     end
 end
diff --git a/activestorage/app/models/active_storage/identification.rb b/activestorage/app/models/active_storage/identification.rb
deleted file mode 100644
index 8d334ae1ea..0000000000
--- a/activestorage/app/models/active_storage/identification.rb
+++ /dev/null
@@ -1,35 +0,0 @@
-# frozen_string_literal: true
-
-require "net/http"
-
-class ActiveStorage::Identification #:nodoc:
-  attr_reader :blob
-
-  def initialize(blob)
-    @blob = blob
-  end
-
-  def content_type
-    Marcel::MimeType.for(identifiable_chunk, name: filename, declared_type: declared_content_type)
-  end
-
-  private
-    def identifiable_chunk
-      Net::HTTP.start(uri.host, uri.port, use_ssl: uri.scheme == "https") do |client|
-        client.get(uri, "Range" => "bytes=0-4095").body
-      end
-    end
-
-    def uri
-      @uri ||= URI.parse(blob.service_url)
-    end
-
-
-    def filename
-      blob.filename.to_s
-    end
-
-    def declared_content_type
-      blob.content_type
-    end
-end