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/Rack File Upload Test

Created October 9, 2008 09:30
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Rack File Upload Test
require "rack"
app = lambda do |env|
request = Rack::Request.new(env)
if request.get?
[
200,
{"Content-Type" => "text/html"},
<<-HTML
<html>
<head></head>
<body>
<form method="POST" enctype="multipart/form-data">
<p>
<label>select file</label>
<input type="file" name="file">
</p>
<p style="margin-top: 20px">
<input type="submit" value="Upload">
</p>
</form>
</body>
</html>
HTML
]
elsif request.post?
Dir.mkdir "./public" unless File.exists? "./public"
Dir.mkdir "./public/fs" unless File.exists? "./public/fs"
file_path = "/fs/#{request["file"][:filename]}"
FileUtils.mv(
request["file"][:tempfile].path,
File.expand_path("public#{file_path}")
)
[
201,
{"Location" => file_path, "Content-Type" => "text/html"},
<<-HTML
<html>
<head></head>
<body>
<h1>File saved: <a href="#{file_path}">#{file_path}</a></h1>
</body>
</html>
HTML
]
end
end
use Rack::ShowExceptions
use Rack::Static, :urls => ["/fs"], :root => "./public"
run app
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