Find a resource based off its encrypted reset_password_token

lib/devise/models/recoverable.rb

@@ -91,6 +91,13 @@ module Devise
         end
 
       module ClassMethods
+        # Attempt to find a user by password reset token. If a user is found, return it
+        # If a user is not found, return nil
+        def with_reset_password_token(token)
+          reset_password_token = Devise.token_generator.digest(self, :reset_password_token, token)
+          find_by_reset_password_token(reset_password_token)
+        end
+
         # Attempt to find a user by its email. If a record is found, send new
         # password instructions to it. If user is not found, returns a new user
         # with an email not found error.

test/models/recoverable_test.rb

@@ -181,4 +181,16 @@ class RecoverableTest < ActiveSupport::TestCase
       :reset_password_token
     ]
   end
+
+  test 'should return a user based on the raw token' do
+    user = create_user
+    raw  = user.send_reset_password_instructions
+
+    assert_equal User.with_reset_password_token(raw), user
+  end
+
+  test 'should return nil if a user based on the raw token is not found' do
+    assert_equal User.with_reset_password_token('random-token'), nil
+  end
+
 end