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Move some stuff to Utils

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This commit is contained in:
sdogruyol 2016-11-19 00:05:22 +03:00
parent bc764b7af7
commit 23cd325def
3 changed files with 36 additions and 34 deletions
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25
src/kemal/helpers/utils.cr
View file

@ -1,7 +1,30 @@
module Kemal
class Utils
module Utils
def self.path_starts_with_backslash?(path)
path.starts_with?("/")
end
def self.zip_types(path) # https://github.com/h5bp/server-configs-nginx/blob/master/nginx.conf
[".htm", ".html", ".txt", ".css", ".js", ".svg", ".json", ".xml", ".otf", ".ttf", ".woff", ".woff2"].includes? File.extname(path)
end
def self.mime_type(path)
case File.extname(path)
when ".txt" then "text/plain"
when ".htm", ".html" then "text/html"
when ".css" then "text/css"
when ".js" then "application/javascript"
when ".png" then "image/png"
when ".jpg", ".jpeg" then "image/jpeg"
when ".gif" then "image/gif"
when ".svg" then "image/svg+xml"
when ".xml" then "application/xml"
when ".json" then "application/json"
when ".otf", ".ttf" then "application/font-sfnt"
when ".woff" then "application/font-woff"
when ".woff2" then "font/woff2"
else "application/octet-stream"
end
end
end
end

14
src/kemal/request.cr
View file

@ -7,6 +7,13 @@ class HTTP::Request
@override_method ||= check_for_method_override!
end
# Checks if method contained in _method param is valid one
def self.override_method_valid?(override_method)
return false unless override_method.is_a?(String)
override_method = override_method.upcase
override_method == "PUT" || override_method == "PATCH" || override_method == "DELETE"
end
# Checks if request params contain _method param to override request incoming method
private def check_for_method_override!
@override_method = @method
@ -18,11 +25,4 @@ class HTTP::Request
end
@override_method
end
# Checks if method contained in _method param is valid one
def self.override_method_valid?(override_method)
return false unless override_method.is_a?(String)
override_method = override_method.upcase
override_method == "PUT" || override_method == "PATCH" || override_method == "DELETE"
end
end

31
src/kemal/static_file_handler.cr
View file

@ -2,6 +2,8 @@
require "zlib"
{% end %}
require "./helpers/utils"
module Kemal
class StaticFileHandler < HTTP::StaticFileHandler
def call(context)
@ -52,16 +54,16 @@ module Kemal
elsif File.exists?(file_path)
return if self.etag(context, file_path)
minsize = 860 # http://webmasters.stackexchange.com/questions/31750/what-is-recommended-minimum-object-size-for-gzip-performance-benefits ??
context.response.content_type = mime_type(file_path)
context.response.content_type = Utils.mime_type(file_path)
request_headers = context.request.headers
filesize = File.size(file_path)
File.open(file_path) do |file|
if request_headers.includes_word?("Accept-Encoding", "gzip") && config.is_a?(Hash) && config["gzip"] == true && filesize > minsize && self.zip_types(file_path)
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|
IO.copy(file, deflate)
end
elsif request_headers.includes_word?("Accept-Encoding", "deflate") && config.is_a?(Hash) && config["gzip"]? == true && filesize > minsize && self.zip_types(file_path)
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|
IO.copy(file, deflate)
@ -85,28 +87,5 @@ module Kemal
context.response.status_code = 304 # not modified
return true
end
def zip_types(path) # https://github.com/h5bp/server-configs-nginx/blob/master/nginx.conf
[".htm", ".html", ".txt", ".css", ".js", ".svg", ".json", ".xml", ".otf", ".ttf", ".woff", ".woff2"].includes? File.extname(path)
end
def mime_type(path)
case File.extname(path)
when ".txt" then "text/plain"
when ".htm", ".html" then "text/html"
when ".css" then "text/css"
when ".js" then "application/javascript"
when ".png" then "image/png"
when ".jpg", ".jpeg" then "image/jpeg"
when ".gif" then "image/gif"
when ".svg" then "image/svg+xml"
when ".xml" then "application/xml"
when ".json" then "application/json"
when ".otf", ".ttf" then "application/font-sfnt"
when ".woff" then "application/font-woff"
when ".woff2" then "font/woff2"
else "application/octet-stream"
end
end
end
end