expiring_url should set the :use_ssl flag when calling S3Object.url_for

lib/paperclip/storage/s3.rb

@@ -95,7 +95,7 @@ module Paperclip
       end
 
       def expiring_url(time = 3600)
-        AWS::S3::S3Object.url_for(path, bucket_name, :expires_in => time )
+        AWS::S3::S3Object.url_for(path, bucket_name, :expires_in => time, :use_ssl => (s3_protocol == 'https'))
       end
 
       def bucket_name

test/storage_test.rb

@@ -114,6 +114,34 @@ class StorageTest < Test::Unit::TestCase
     end
   end
 
+  context "Generating a secure url with an expiration" do
+    setup do
+      AWS::S3::Base.stubs(:establish_connection!)
+      rebuild_model :storage => :s3,
+                    :s3_credentials => {
+                      :production   => { :bucket => "prod_bucket" },
+                      :development  => { :bucket => "dev_bucket" }
+                    },
+                    :s3_host_alias => "something.something.com",
+                    :s3_permissions => "private",
+                    :path => ":attachment/:basename.:extension",
+                    :url => ":s3_alias_url"
+
+      rails_env("production")
+
+      @dummy = Dummy.new
+      @dummy.avatar = StringIO.new(".")
+
+      AWS::S3::S3Object.expects(:url_for).with("avatars/stringio.txt", "prod_bucket", { :expires_in => 3600, :use_ssl => true })
+
+      @dummy.avatar.expiring_url
+    end
+
+    should "should succeed" do
+      assert true
+    end
+  end
+
   context "Generating a url with an expiration" do
     setup do
       AWS::S3::Base.stubs(:establish_connection!)
@@ -131,7 +159,7 @@ class StorageTest < Test::Unit::TestCase
       @dummy = Dummy.new
       @dummy.avatar = StringIO.new(".")
 
-      AWS::S3::S3Object.expects(:url_for).with("avatars/stringio.txt", "prod_bucket", { :expires_in => 3600 })
+      AWS::S3::S3Object.expects(:url_for).with("avatars/stringio.txt", "prod_bucket", { :expires_in => 3600, :use_ssl => false })
 
       @dummy.avatar.expiring_url
     end