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Add static file handler

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This commit is contained in:
Sdogruyol 2015-12-10 20:40:39 +02:00
parent 12c6af7d79
commit 21a3c6ad3c
4 changed files with 74 additions and 41 deletions
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2
src/kemal.cr
View file

@ -17,8 +17,8 @@ at_exit do
config = Kemal.config config = Kemal.config
logger = Kemal::Logger.new logger = Kemal::Logger.new
config.add_handler logger config.add_handler logger
config.add_handler Kemal::StaticHandler.new("./public")
config.add_handler Kemal::Handler::INSTANCE config.add_handler Kemal::Handler::INSTANCE
config.add_handler HTTP::StaticFileHandler.new("./public")
server = HTTP::Server.new(config.port, config.handlers) server = HTTP::Server.new(config.port, config.handlers)
server.ssl = config.ssl server.ssl = config.ssl

41
src/kemal/handler.cr
View file

@ -1,6 +1,7 @@
require "http/server" require "http/server"
require "uri" require "uri"
# Handles the routes
class Kemal::Handler < HTTP::Handler class Kemal::Handler < HTTP::Handler
INSTANCE = new INSTANCE = new
@ -37,44 +38,4 @@ class Kemal::Handler < HTTP::Handler
# Render 404 unless a route matches # Render 404 unless a route matches
return render_404 return render_404
end end
def render_404
template = <<-HTML
<!DOCTYPE html>
<html>
<head>
<style type="text/css">
body { text-align:center;font-family:helvetica,arial;font-size:22px;
color:#888;margin:20px}
#c {margin:0 auto;width:500px;text-align:left}
</style>
</head>
<body>
<h2>Kemal doesn't know this way.</h2>
<img src="/__kemal__/404.png">
</body>
</html>
HTML
HTTP::Response.new(404, template)
end
def render_500(ex)
template = <<-HTML
<!DOCTYPE html>
<html>
<head>
<style type="text/css">
body { text-align:center;font-family:helvetica,arial;font-size:22px;
color:#888;margin:20px}
#c {margin:0 auto;width:500px;text-align:left}
</style>
</head>
<body>
<h2>Kemal has encountered an error. (500)</h2>
<p>#{ex}</p>
</body>
</html>
HTML
HTTP::Response.error("text/html", template)
end
end end

32
src/kemal/static_handler.cr Normal file
View file

@ -0,0 +1,32 @@
require "http/server"
require "ecr/macros"
class Kemal::StaticHandler < HTTP::Handler
def initialize(@publicdir)
end
def call(request)
request_path = request.path.not_nil!
# Call next handler for processing
return call_next(request) unless request_path.starts_with? "/public"
file = request_path.split("/public/")[1] if request_path.starts_with?("/public")
file_path = File.expand_path("public/#{file}", Dir.working_directory)
if File.exists?(file_path)
HTTP::Response.new(200, File.read(file_path), HTTP::Headers{"Content-Type": mime_type(file_path)})
else
call_next(request)
end
end
private 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"
else "application/octet-stream"
end
end
end

40
src/kemal/view.cr
View file

@ -17,3 +17,43 @@ macro render(filename, layout)
content = render {{filename}} content = render {{filename}}
render {{layout}} render {{layout}}
end end
def render_404
template = <<-HTML
<!DOCTYPE html>
<html>
<head>
<style type="text/css">
body { text-align:center;font-family:helvetica,arial;font-size:22px;
color:#888;margin:20px}
#c {margin:0 auto;width:500px;text-align:left}
</style>
</head>
<body>
<h2>Kemal doesn't know this way.</h2>
<img src="/__kemal__/404.png">
</body>
</html>
HTML
HTTP::Response.new(404, template)
end
def render_500(ex)
template = <<-HTML
<!DOCTYPE html>
<html>
<head>
<style type="text/css">
body { text-align:center;font-family:helvetica,arial;font-size:22px;
color:#888;margin:20px}
#c {margin:0 auto;width:500px;text-align:left}
</style>
</head>
<body>
<h2>Kemal has encountered an error. (500)</h2>
<p>#{ex}</p>
</body>
</html>
HTML
HTTP::Response.error("text/html", template)
end