Prepare to release RubyGems 3.1.0 final version.

1 files changed, 7 insertions, 1 deletions

diff --git a/lib/rubygems/source.rb b/lib/rubygems/source.rb
index b0cce5bea5..8572cb1806 100644
--- a/lib/rubygems/source.rb
+++ b/lib/rubygems/source.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 autoload :FileUtils, 'fileutils'
-autoload :URI, 'uri'
 
+require "rubygems/text"
 ##
 # A Source knows how to list and fetch gems from a RubyGems marshal index.
 #
@@ -11,6 +11,7 @@ autoload :URI, 'uri'
 class Gem::Source
 
   include Comparable
+  include Gem::Text
 
   FILES = { # :nodoc:
     :released   => 'specs',
@@ -219,6 +220,11 @@ class Gem::Source
     end
   end
 
+  def typo_squatting?(host, distance_threshold=4)
+    return if @uri.host.nil?
+    levenshtein_distance(@uri.host, host) <= distance_threshold
+  end
+
 end
 
 require 'rubygems/source/git'