Fix warning in ruby 2.7

Gemfile.lock

@@ -191,4 +191,4 @@ DEPENDENCIES
   sqlite3
 
 BUNDLED WITH
-   1.17.3
+   2.1.2

lib/carrierwave/storage/qiniu.rb

@@ -89,7 +89,7 @@ def get(path)
         end
 
         def download_url(path)
-          encode_path = URI.escape(path) #fix chinese file name, same as encodeURIComponent in js but preserve slash '/'
+          encode_path = path_escape(path)
           primitive_url = "#{@qiniu_protocol}://#{@qiniu_bucket_domain}/#{encode_path}"
           @qiniu_bucket_private ? \
             ::Qiniu::Auth.authorize_download_url(primitive_url, :expires_in => @qiniu_private_url_expires_in) \
@@ -119,6 +119,12 @@ def init_qiniu_rs_connection
 
         end
 
+        #fix chinese file name, same as encodeURIComponent in js but preserve slash '/'
+        def path_escape(value)
+          #CGI.escape(value)#.gsub("%2F", "/")
+          ::URI::DEFAULT_PARSER.escape value
+        end
+
       end
 
       class File

spec/upload_spec.rb

@@ -102,13 +102,13 @@ class WrongPhoto < ActiveRecord::Base
       puts 'The image was uploaded to:'
       puts photo.image.url
 
-      open(photo.image.url).should_not be_nil
+      URI.open(photo.image.url).should_not be_nil
 
 
       puts "The thumb image:"
       puts photo.image.url(:thumb)
 
-      open(photo.image.thumb.url).should_not be_nil
+      URI.open(photo.image.thumb.url).should_not be_nil
 
     end
 
@@ -129,7 +129,7 @@ class WrongPhoto < ActiveRecord::Base
 
       expect(photo2.image.url).not_to eq(photo.image.url)
 
-      open(photo2.image.url).should_not be_nil
+      URI.open(photo2.image.url).should_not be_nil
     end
 
     describe 'after remove' do