blob: a8d176560c25a90fd7ac8d0ba43b2c4727580a1b (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
require 'rack/utils'
module ActionDispatch
class FileHandler
def initialize(root, cache_control)
@root = root.chomp('/')
@compiled_root = /^#{Regexp.escape(root)}/
headers = cache_control && { 'Cache-Control' => cache_control }
@file_server = ::Rack::File.new(@root, headers)
end
def match?(path)
path = path.dup
full_path = path.empty? ? @root : File.join(@root, escape_glob_chars(unescape_path(path)))
paths = "#{full_path}#{ext}"
matches = Dir[paths]
match = matches.detect { |m| File.file?(m) }
if match
match.sub!(@compiled_root, '')
::Rack::Utils.escape(match)
end
end
def call(env)
@file_server.call(env)
end
def ext
@ext ||= begin
ext = ::ActionController::Base.page_cache_extension
"{,#{ext},/index#{ext}}"
end
end
def unescape_path(path)
URI.parser.unescape(path)
end
def escape_glob_chars(path)
path.force_encoding('binary') if path.respond_to? :force_encoding
path.gsub(/[*?{}\[\]]/, "\\\\\\&")
end
end
class Static
def initialize(app, path, cache_control=nil)
@app = app
@file_handler = FileHandler.new(path, cache_control)
end
def call(env)
case env['REQUEST_METHOD']
when 'GET', 'HEAD'
path = env['PATH_INFO'].chomp('/')
if match = @file_handler.match?(path)
env["PATH_INFO"] = match
return @file_handler.call(env)
end
end
@app.call(env)
end
end
end
|
