Crystal 0.21.0 support (#304)

Crystal 0.21.0 support

src/kemal.cr

@@ -1,5 +1,4 @@
 require "http"
-require "multipart"
 require "./kemal/*"
 require "./kemal/helpers/*"
 

src/kemal/file_upload.cr

@@ -2,13 +2,24 @@
 module Kemal
   struct FileUpload
     getter tmpfile : Tempfile
-    getter tmpfile_path : String
-    getter filename : String
-    getter meta : HTTP::FormData::FileMetadata
+    getter filename : String?
     getter headers : HTTP::Headers
+    getter creation_time : Time?
+    getter modification_time : Time?
+    getter read_time : Time?
+    getter size : UInt64?
 
-    def initialize(@tmpfile, @tmpfile_path, @meta, @headers)
-      @filename = @meta.filename.not_nil!
+    def initialize(upload)
+      @tmpfile = Tempfile.new(filename)
+      ::File.open(@tmpfile.path, "w") do |file|
+        IO.copy(upload.body, file)
+      end
+      @filename = upload.filename
+      @headers = upload.headers
+      @creation_time = upload.creation_time
+      @modification_time = upload.modification_time
+      @read_time = upload.read_time
+      @size = upload.size
     end
   end
 end

src/kemal/helpers/helpers.cr

@@ -70,5 +70,5 @@ end
 # output, either using gzip or deflate, depending on the `Accept-Encoding` request header.
 # It's disabled by default.
 def gzip(status : Bool = false)
-  add_handler HTTP::DeflateHandler.new if status
+  add_handler HTTP::CompressHandler.new if status
 end

src/kemal/param_parser.cr

@@ -70,17 +70,13 @@ module Kemal
     end
 
     private def parse_file_upload
-      HTTP::FormData.parse(@request) do |field, data, meta, headers|
-        next unless meta
-        filename = meta.filename
+      HTTP::FormData.parse(@request) do |upload|
+        next unless upload
+        filename = upload.filename
         if !filename.nil?
-          tempfile = Tempfile.new(filename)
-          ::File.open(tempfile.path, "w") do |file|
-            IO.copy(data, file)
-          end
-          @files[field] = FileUpload.new(tmpfile: tempfile, tmpfile_path: tempfile.path, meta: meta, headers: headers)
+          @files[upload.name] = FileUpload.new(upload: upload)
         else
-          @body[field] = data.gets_to_end
+          @body[upload.name] = upload.body.gets_to_end
         end
       end
     end

src/kemal/route_handler.cr

@@ -45,7 +45,7 @@ module Kemal
 
     private def remove_tmpfiles(context)
       context.params.files.each do |field, file|
-        File.delete(file.tmpfile_path) if ::File.exists?(file.tmpfile_path)
+        File.delete(file.tmpfile.path) if ::File.exists?(file.tmpfile.path)
       end
     end
 

src/kemal/static_file_handler.cr

@@ -61,12 +61,12 @@ module Kemal
           end
           if request_headers.includes_word?("Accept-Encoding", "gzip") && config.is_a?(Hash) && config["gzip"] == true && filesize > minsize && Utils.zip_types(file_path)
             context.response.headers["Content-Encoding"] = "gzip"
-            Zlib::Deflate.gzip(context.response) do |deflate|
+            Gzip::Writer.open(context.response) do |deflate|
               IO.copy(file, deflate)
             end
           elsif request_headers.includes_word?("Accept-Encoding", "deflate") && config.is_a?(Hash) && config["gzip"]? == true && filesize > minsize && Utils.zip_types(file_path)
             context.response.headers["Content-Encoding"] = "deflate"
-            Zlib::Deflate.new(context.response) do |deflate|
+            Flate::Writer.new(context.response) do |deflate|
               IO.copy(file, deflate)
             end
           else