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test_filehandler.rb
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test_filehandler.rb
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# frozen_string_literal: false
require "test/unit"
require_relative "utils.rb"
require "webrick"
require "stringio"
class WEBrick::TestFileHandler < Test::Unit::TestCase
def teardown
WEBrick::Utils::TimeoutHandler.terminate
super
end
def default_file_handler(filename)
klass = WEBrick::HTTPServlet::DefaultFileHandler
klass.new(WEBrick::Config::HTTP, filename)
end
def windows?
File.directory?("\\")
end
def get_res_body(res)
sio = StringIO.new
sio.binmode
res.send_body(sio)
sio.string
end
def make_range_request(range_spec)
msg = <<-END_OF_REQUEST
GET / HTTP/1.0
Range: #{range_spec}
END_OF_REQUEST
return StringIO.new(msg.gsub(/^ {6}/, ""))
end
def make_range_response(file, range_spec)
req = WEBrick::HTTPRequest.new(WEBrick::Config::HTTP)
req.parse(make_range_request(range_spec))
res = WEBrick::HTTPResponse.new(WEBrick::Config::HTTP)
size = File.size(file)
handler = default_file_handler(file)
handler.make_partial_content(req, res, file, size)
return res
end
def test_make_partial_content
filename = __FILE__
filesize = File.size(filename)
res = make_range_response(filename, "bytes=#{filesize-100}-")
assert_match(%r{^text/plain}, res["content-type"])
assert_equal(100, get_res_body(res).size)
res = make_range_response(filename, "bytes=-100")
assert_match(%r{^text/plain}, res["content-type"])
assert_equal(100, get_res_body(res).size)
res = make_range_response(filename, "bytes=0-99")
assert_match(%r{^text/plain}, res["content-type"])
assert_equal(100, get_res_body(res).size)
res = make_range_response(filename, "bytes=100-199")
assert_match(%r{^text/plain}, res["content-type"])
assert_equal(100, get_res_body(res).size)
res = make_range_response(filename, "bytes=0-0")
assert_match(%r{^text/plain}, res["content-type"])
assert_equal(1, get_res_body(res).size)
res = make_range_response(filename, "bytes=-1")
assert_match(%r{^text/plain}, res["content-type"])
assert_equal(1, get_res_body(res).size)
res = make_range_response(filename, "bytes=0-0, -2")
assert_match(%r{^multipart/byteranges}, res["content-type"])
body = get_res_body(res)
boundary = /; boundary=(.+)/.match(res['content-type'])[1]
off = filesize - 2
last = filesize - 1
exp = "--#{boundary}\r\n" \
"Content-Type: text/plain\r\n" \
"Content-Range: bytes 0-0/#{filesize}\r\n" \
"\r\n" \
"#{IO.read(__FILE__, 1)}\r\n" \
"--#{boundary}\r\n" \
"Content-Type: text/plain\r\n" \
"Content-Range: bytes #{off}-#{last}/#{filesize}\r\n" \
"\r\n" \
"#{IO.read(__FILE__, 2, off)}\r\n" \
"--#{boundary}--\r\n"
assert_equal exp, body
end
def test_filehandler
config = { :DocumentRoot => File.dirname(__FILE__), }
this_file = File.basename(__FILE__)
filesize = File.size(__FILE__)
this_data = File.open(__FILE__, "rb") {|f| f.read}
range = nil
bug2593 = '[ruby-dev:40030]'
TestWEBrick.start_httpserver(config) do |server, addr, port, log|
http = Net::HTTP.new(addr, port)
req = Net::HTTP::Get.new("/")
http.request(req){|res|
assert_equal("200", res.code, log.call)
assert_equal("text/html", res.content_type, log.call)
assert_match(/HREF="#{this_file}"/, res.body, log.call)
}
req = Net::HTTP::Get.new("/#{this_file}")
http.request(req){|res|
assert_equal("200", res.code, log.call)
assert_equal("text/plain", res.content_type, log.call)
assert_equal(File.read(__FILE__), res.body, log.call)
}
req = Net::HTTP::Get.new("/#{this_file}", "range"=>"bytes=#{filesize-100}-")
http.request(req){|res|
assert_equal("206", res.code, log.call)
assert_equal("text/plain", res.content_type, log.call)
assert_nothing_raised(bug2593) {range = res.content_range}
assert_equal((filesize-100)..(filesize-1), range, log.call)
assert_equal(this_data[-100..-1], res.body, log.call)
}
req = Net::HTTP::Get.new("/#{this_file}", "range"=>"bytes=-100")
http.request(req){|res|
assert_equal("206", res.code, log.call)
assert_equal("text/plain", res.content_type, log.call)
assert_nothing_raised(bug2593) {range = res.content_range}
assert_equal((filesize-100)..(filesize-1), range, log.call)
assert_equal(this_data[-100..-1], res.body, log.call)
}
req = Net::HTTP::Get.new("/#{this_file}", "range"=>"bytes=0-99")
http.request(req){|res|
assert_equal("206", res.code, log.call)
assert_equal("text/plain", res.content_type, log.call)
assert_nothing_raised(bug2593) {range = res.content_range}
assert_equal(0..99, range, log.call)
assert_equal(this_data[0..99], res.body, log.call)
}
req = Net::HTTP::Get.new("/#{this_file}", "range"=>"bytes=100-199")
http.request(req){|res|
assert_equal("206", res.code, log.call)
assert_equal("text/plain", res.content_type, log.call)
assert_nothing_raised(bug2593) {range = res.content_range}
assert_equal(100..199, range, log.call)
assert_equal(this_data[100..199], res.body, log.call)
}
req = Net::HTTP::Get.new("/#{this_file}", "range"=>"bytes=0-0")
http.request(req){|res|
assert_equal("206", res.code, log.call)
assert_equal("text/plain", res.content_type, log.call)
assert_nothing_raised(bug2593) {range = res.content_range}
assert_equal(0..0, range, log.call)
assert_equal(this_data[0..0], res.body, log.call)
}
req = Net::HTTP::Get.new("/#{this_file}", "range"=>"bytes=-1")
http.request(req){|res|
assert_equal("206", res.code, log.call)
assert_equal("text/plain", res.content_type, log.call)
assert_nothing_raised(bug2593) {range = res.content_range}
assert_equal((filesize-1)..(filesize-1), range, log.call)
assert_equal(this_data[-1, 1], res.body, log.call)
}
req = Net::HTTP::Get.new("/#{this_file}", "range"=>"bytes=0-0, -2")
http.request(req){|res|
assert_equal("206", res.code, log.call)
assert_equal("multipart/byteranges", res.content_type, log.call)
}
end
end
def test_non_disclosure_name
config = { :DocumentRoot => File.dirname(__FILE__), }
log_tester = lambda {|log, access_log|
log = log.reject {|s| /ERROR `.*\' not found\./ =~ s }
log = log.reject {|s| /WARN the request refers nondisclosure name/ =~ s }
assert_equal([], log)
}
this_file = File.basename(__FILE__)
TestWEBrick.start_httpserver(config, log_tester) do |server, addr, port, log|
http = Net::HTTP.new(addr, port)
doc_root_opts = server[:DocumentRootOptions]
doc_root_opts[:NondisclosureName] = %w(.ht* *~ test_*)
req = Net::HTTP::Get.new("/")
http.request(req){|res|
assert_equal("200", res.code, log.call)
assert_equal("text/html", res.content_type, log.call)
assert_no_match(/HREF="#{File.basename(__FILE__)}"/, res.body)
}
req = Net::HTTP::Get.new("/#{this_file}")
http.request(req){|res|
assert_equal("404", res.code, log.call)
}
doc_root_opts[:NondisclosureName] = %w(.ht* *~ TEST_*)
http.request(req){|res|
assert_equal("404", res.code, log.call)
}
end
end
def test_directory_traversal
return if File.executable?(__FILE__) # skip on strange file system
config = { :DocumentRoot => File.dirname(__FILE__), }
log_tester = lambda {|log, access_log|
log = log.reject {|s| /ERROR bad URI/ =~ s }
log = log.reject {|s| /ERROR `.*\' not found\./ =~ s }
assert_equal([], log)
}
TestWEBrick.start_httpserver(config, log_tester) do |server, addr, port, log|
http = Net::HTTP.new(addr, port)
req = Net::HTTP::Get.new("/../../")
http.request(req){|res| assert_equal("400", res.code, log.call) }
req = Net::HTTP::Get.new("/..%5c../#{File.basename(__FILE__)}")
http.request(req){|res| assert_equal(windows? ? "200" : "404", res.code, log.call) }
req = Net::HTTP::Get.new("/..%5c..%5cruby.c")
http.request(req){|res| assert_equal("404", res.code, log.call) }
end
end
def test_unwise_in_path
if windows?
config = { :DocumentRoot => File.dirname(__FILE__), }
TestWEBrick.start_httpserver(config) do |server, addr, port, log|
http = Net::HTTP.new(addr, port)
req = Net::HTTP::Get.new("/..%5c..")
http.request(req){|res| assert_equal("301", res.code, log.call) }
end
end
end
def test_short_filename
return if File.executable?(__FILE__) # skip on strange file system
config = {
:CGIInterpreter => TestWEBrick::RubyBin,
:DocumentRoot => File.dirname(__FILE__),
:CGIPathEnv => ENV['PATH'],
}
log_tester = lambda {|log, access_log|
log = log.reject {|s| /ERROR `.*\' not found\./ =~ s }
log = log.reject {|s| /WARN the request refers nondisclosure name/ =~ s }
assert_equal([], log)
}
TestWEBrick.start_httpserver(config, log_tester) do |server, addr, port, log|
http = Net::HTTP.new(addr, port)
if windows?
root = config[:DocumentRoot].tr("/", "\\")
fname = IO.popen(%W[dir /x #{root}\\webrick_long_filename.cgi], &:read)
fname.sub!(/\A.*$^$.*$^$/m, '')
if fname
fname = fname[/\s(w.+?cgi)\s/i, 1]
fname.downcase!
end
else
fname = "webric~1.cgi"
end
req = Net::HTTP::Get.new("/#{fname}/test")
http.request(req) do |res|
if windows?
assert_equal("200", res.code, log.call)
assert_equal("/test", res.body, log.call)
else
assert_equal("404", res.code, log.call)
end
end
req = Net::HTTP::Get.new("/.htaccess")
http.request(req) {|res| assert_equal("404", res.code, log.call) }
req = Net::HTTP::Get.new("/htacce~1")
http.request(req) {|res| assert_equal("404", res.code, log.call) }
req = Net::HTTP::Get.new("/HTACCE~1")
http.request(req) {|res| assert_equal("404", res.code, log.call) }
end
end
def test_script_disclosure
return if File.executable?(__FILE__) # skip on strange file system
config = {
:CGIInterpreter => TestWEBrick::RubyBin,
:DocumentRoot => File.dirname(__FILE__),
:CGIPathEnv => ENV['PATH'],
:RequestCallback => Proc.new{|req, res|
def req.meta_vars
meta = super
meta["RUBYLIB"] = $:.join(File::PATH_SEPARATOR)
meta[RbConfig::CONFIG['LIBPATHENV']] = ENV[RbConfig::CONFIG['LIBPATHENV']] if RbConfig::CONFIG['LIBPATHENV']
return meta
end
},
}
log_tester = lambda {|log, access_log|
log = log.reject {|s| /ERROR `.*\' not found\./ =~ s }
assert_equal([], log)
}
TestWEBrick.start_httpserver(config, log_tester) do |server, addr, port, log|
http = Net::HTTP.new(addr, port)
req = Net::HTTP::Get.new("/webrick.cgi/test")
http.request(req) do |res|
assert_equal("200", res.code, log.call)
assert_equal("/test", res.body, log.call)
end
resok = windows?
response_assertion = Proc.new do |res|
if resok
assert_equal("200", res.code, log.call)
assert_equal("/test", res.body, log.call)
else
assert_equal("404", res.code, log.call)
end
end
req = Net::HTTP::Get.new("/webrick.cgi%20/test")
http.request(req, &response_assertion)
req = Net::HTTP::Get.new("/webrick.cgi./test")
http.request(req, &response_assertion)
resok &&= File.exist?(__FILE__+"::$DATA")
req = Net::HTTP::Get.new("/webrick.cgi::$DATA/test")
http.request(req, &response_assertion)
end
end
end