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spec_directory.rb
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# frozen_string_literal: true
require_relative 'helper'
require 'tempfile'
require 'fileutils'
separate_testing do
require_relative '../lib/rack/directory'
require_relative '../lib/rack/lint'
require_relative '../lib/rack/mock_request'
require_relative '../lib/rack/utils'
require_relative '../lib/rack/builder'
end
describe Rack::Directory do
DOCROOT = File.expand_path(File.dirname(__FILE__)) unless defined? DOCROOT
FILE_CATCH = proc{|env| [200, { 'content-type' => 'text/plain', "content-length" => "7" }, ['passed!']] }
attr_reader :app
def setup
@app = Rack::Lint.new(Rack::Directory.new(DOCROOT, FILE_CATCH))
end
it 'serves directories with + in the name' do
Dir.mktmpdir do |dir|
plus_dir = "foo+bar"
full_dir = File.join(dir, plus_dir)
FileUtils.mkdir full_dir
FileUtils.touch File.join(full_dir, "omg.txt")
app = Rack::Directory.new(dir, FILE_CATCH)
env = Rack::MockRequest.env_for("/#{plus_dir}/")
status, _, body = app.call env
assert_equal 200, status
str = ''.dup
body.each { |x| str << x }
assert_match "foo+bar", str
end
end
it "serve root directory index" do
res = Rack::MockRequest.new(Rack::Lint.new(app)).
get("/")
res.must_be :ok?
assert_includes(res.body, '<html><head>')
assert_includes(res.body, "href='cgi")
end
it "serve directory indices" do
res = Rack::MockRequest.new(Rack::Lint.new(app)).
get("/cgi/")
res.must_be :ok?
assert_includes(res.body, '<html><head>')
assert_includes(res.body, "rackup_stub.rb")
end
it "return 404 for pipes" do
begin
File.mkfifo('test/cgi/fifo')
res = Rack::MockRequest.new(Rack::Lint.new(app)).
get("/cgi/fifo")
res.status.must_equal 404
ensure
File.delete('test/cgi/fifo')
end
end
it "serve directory indices with bad symlinks" do
begin
File.symlink('foo', 'test/cgi/foo')
res = Rack::MockRequest.new(Rack::Lint.new(app)).
get("/cgi/")
res.must_be :ok?
assert_match(res, /<html><head>/)
ensure
File.delete('test/cgi/foo')
end
end
it "return 404 for unreadable directories" do
begin
File.write('test/cgi/unreadable', '')
File.chmod(0, 'test/cgi/unreadable')
res = Rack::MockRequest.new(Rack::Lint.new(app)).
get("/cgi/unreadable")
res.status.must_equal 404
ensure
File.delete('test/cgi/unreadable')
end
end
it "pass to app if file found" do
res = Rack::MockRequest.new(Rack::Lint.new(app)).
get("/cgi/test")
res.must_be :ok?
assert_match(res, /passed!/)
end
it "serve uri with URL encoded filenames" do
res = Rack::MockRequest.new(Rack::Lint.new(app)).
get("/%63%67%69/") # "/cgi/test"
res.must_be :ok?
assert_match(res, /<html><head>/)
res = Rack::MockRequest.new(Rack::Lint.new(app)).
get("/cgi/%74%65%73%74") # "/cgi/test"
res.must_be :ok?
assert_match(res, /passed!/)
end
it "serve uri with URL encoded null byte (%00) in filenames" do
res = Rack::MockRequest.new(Rack::Lint.new(app))
.get("/cgi/test%00")
res.must_be :bad_request?
end
it "allow directory traversal inside root directory" do
res = Rack::MockRequest.new(Rack::Lint.new(app)).
get("/cgi/../rackup")
res.must_be :ok?
res = Rack::MockRequest.new(Rack::Lint.new(app)).
get("/cgi/%2E%2E/rackup")
res.must_be :ok?
end
it "not allow directory traversal" do
res = Rack::MockRequest.new(Rack::Lint.new(app)).
get("/cgi/../../lib")
res.must_be :forbidden?
res = Rack::MockRequest.new(Rack::Lint.new(app)).
get("/cgi/%2E%2E/%2E%2E/lib")
res.must_be :forbidden?
end
it "not allow dir globs" do
Dir.mktmpdir do |dir|
weirds = "uploads/.?/.?"
full_dir = File.join(dir, weirds)
FileUtils.mkdir_p full_dir
FileUtils.touch File.join(dir, "secret.txt")
app = Rack::Directory.new(File.join(dir, "uploads"))
res = Rack::MockRequest.new(app).get("/.%3F")
refute_match "secret.txt", res.body
end
end
it "404 if it can't find the file" do
res = Rack::MockRequest.new(Rack::Lint.new(app)).
get("/cgi/blubb")
res.must_be :not_found?
end
it "uri escape path parts" do # #265, properly escape file names
mr = Rack::MockRequest.new(Rack::Lint.new(app))
res = mr.get("/cgi/test%2bdirectory")
res.must_be :ok?
res.body.must_match(Regexp.new(Rack::Utils.escape_html(
"/cgi/test\\+directory/test\\+file")))
res = mr.get("/cgi/test%2bdirectory/test%2bfile")
res.must_be :ok?
end
it "correctly escape script name with spaces" do
Dir.mktmpdir do |dir|
space_dir = "foo bar"
full_dir = File.join(dir, space_dir)
FileUtils.mkdir full_dir
FileUtils.touch File.join(full_dir, "omg omg.txt")
app = Rack::Directory.new(dir, FILE_CATCH)
env = Rack::MockRequest.env_for(Rack::Utils.escape_path("/#{space_dir}/"))
status, _, body = app.call env
assert_equal 200, status
str = ''.dup
body.each { |x| str << x }
assert_match Rack::Utils.escape_html("/foo%20bar/omg%20omg.txt"), str
end
end
it "correctly escape script name with '" do
Dir.mktmpdir do |dir|
quote_dir = "foo'bar"
full_dir = File.join(dir, quote_dir)
FileUtils.mkdir full_dir
FileUtils.touch File.join(full_dir, "omg'omg.txt")
app = Rack::Directory.new(dir, FILE_CATCH)
env = Rack::MockRequest.env_for(Rack::Utils.escape("/#{quote_dir}/"))
status, _, body = app.call env
assert_equal 200, status
str = ''.dup
body.each { |x| str << x }
assert_match Rack::Utils.escape_html("/foo'bar/omg'omg.txt"), str
end
end
it "correctly escape script name" do
_app = app
app2 = Rack::Builder.new do
map '/script-path' do
run _app
end
end
mr = Rack::MockRequest.new(Rack::Lint.new(app2))
res = mr.get("/script-path/cgi/test%2bdirectory")
res.must_be :ok?
res.body.must_match(Regexp.new(Rack::Utils.escape_html(
"/script-path/cgi/test\\+directory/test\\+file")))
res = mr.get("/script-path/cgi/test+directory/test+file")
res.must_be :ok?
end
it "return error when file not found for head request" do
res = Rack::MockRequest.new(Rack::Lint.new(app)).
head("/cgi/missing")
res.must_be :not_found?
res.body.must_be :empty?
end
end