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| | # frozen_string_literal: true
require_relative 'helper'
require 'fileutils'
require 'tmpdir'
separate_testing do
require_relative '../lib/rack/sendfile'
require_relative '../lib/rack/lint'
require_relative '../lib/rack/mock_request'
end
describe Rack::Sendfile do
def sendfile_body(filename = "rack_sendfile")
FileUtils.touch File.join(Dir.tmpdir, filename)
res = ['Hello World']
res.define_singleton_method(:to_path) { File.join(Dir.tmpdir, filename) }
res
end
def simple_app(body = sendfile_body)
lambda { |env| [200, { 'content-type' => 'text/plain' }, body] }
end
def sendfile_app(body, mappings = [])
Rack::Lint.new Rack::Sendfile.new(simple_app(body), nil, mappings)
end
def request(headers = {}, body = sendfile_body, mappings = [])
yield Rack::MockRequest.new(sendfile_app(body, mappings)).get('/', headers)
end
def open_file(path)
Class.new(File) do
unless method_defined?(:to_path)
alias :to_path :path
end
end.open(path, 'wb+')
end
it "does nothing when no x-sendfile-type header present" do
request do |response|
response.must_be :ok?
response.body.must_equal 'Hello World'
response.headers.wont_include 'x-sendfile'
end
end
it "does nothing and logs to rack.errors when incorrect x-sendfile-type header present" do
io = StringIO.new
request 'HTTP_X_SENDFILE_TYPE' => 'X-Banana', 'rack.errors' => io do |response|
response.must_be :ok?
response.body.must_equal 'Hello World'
response.headers.wont_include 'x-sendfile'
io.rewind
io.read.must_equal "Unknown x-sendfile variation: 'X-Banana'.\n"
end
end
it "sets x-sendfile response header and discards body" do
request 'HTTP_X_SENDFILE_TYPE' => 'x-sendfile' do |response|
response.must_be :ok?
response.body.must_be :empty?
response.headers['content-length'].must_equal '0'
response.headers['x-sendfile'].must_equal File.join(Dir.tmpdir, "rack_sendfile")
end
end
it "closes body when x-sendfile used" do
body = sendfile_body
closed = false
body.define_singleton_method(:close){closed = true}
request({'HTTP_X_SENDFILE_TYPE' => 'x-sendfile'}, body) do |response|
response.must_be :ok?
response.body.must_be :empty?
response.headers['content-length'].must_equal '0'
response.headers['x-sendfile'].must_equal File.join(Dir.tmpdir, "rack_sendfile")
end
closed.must_equal true
end
it "sets x-lighttpd-send-file response header and discards body" do
request 'HTTP_X_SENDFILE_TYPE' => 'x-lighttpd-send-file' do |response|
response.must_be :ok?
response.body.must_be :empty?
response.headers['content-length'].must_equal '0'
response.headers['x-lighttpd-send-file'].must_equal File.join(Dir.tmpdir, "rack_sendfile")
end
end
it "sets x-accel-redirect response header and discards body" do
headers = {
'HTTP_X_SENDFILE_TYPE' => 'x-accel-redirect',
'HTTP_X_ACCEL_MAPPING' => "#{Dir.tmpdir}/=/foo/bar/"
}
request headers do |response|
response.must_be :ok?
response.body.must_be :empty?
response.headers['content-length'].must_equal '0'
response.headers['x-accel-redirect'].must_equal '/foo/bar/rack_sendfile'
end
end
it "sets x-accel-redirect response header to percent-encoded path" do
headers = {
'HTTP_X_SENDFILE_TYPE' => 'x-accel-redirect',
'HTTP_X_ACCEL_MAPPING' => "#{Dir.tmpdir}/=/foo/bar%/"
}
request headers, sendfile_body('file_with_%_?_symbol') do |response|
response.must_be :ok?
response.body.must_be :empty?
response.headers['content-length'].must_equal '0'
response.headers['x-accel-redirect'].must_equal '/foo/bar%25/file_with_%25_%3F_symbol'
end
end
it 'writes to rack.error when no x-accel-mapping is specified' do
request 'HTTP_X_SENDFILE_TYPE' => 'x-accel-redirect' do |response|
response.must_be :ok?
response.body.must_equal 'Hello World'
response.headers.wont_include 'x-accel-redirect'
response.errors.must_include 'x-accel-mapping'
end
end
it 'does nothing when body does not respond to #to_path' do
request({ 'HTTP_X_SENDFILE_TYPE' => 'x-sendfile' }, ['Not a file...']) do |response|
response.body.must_equal 'Not a file...'
response.headers.wont_include 'x-sendfile'
end
end
it "sets x-accel-redirect response header and discards body when initialized with multiple mappings" do
begin
dir1 = Dir.mktmpdir
dir2 = Dir.mktmpdir
first_body = open_file(File.join(dir1, 'rack_sendfile'))
first_body.puts 'hello world'
second_body = open_file(File.join(dir2, 'rack_sendfile'))
second_body.puts 'goodbye world'
mappings = [
["#{dir1}/", '/foo/bar/'],
["#{dir2}/", '/wibble/']
]
request({ 'HTTP_X_SENDFILE_TYPE' => 'x-accel-redirect' }, first_body, mappings) do |response|
response.must_be :ok?
response.body.must_be :empty?
response.headers['content-length'].must_equal '0'
response.headers['x-accel-redirect'].must_equal '/foo/bar/rack_sendfile'
end
request({ 'HTTP_X_SENDFILE_TYPE' => 'x-accel-redirect' }, second_body, mappings) do |response|
response.must_be :ok?
response.body.must_be :empty?
response.headers['content-length'].must_equal '0'
response.headers['x-accel-redirect'].must_equal '/wibble/rack_sendfile'
end
ensure
FileUtils.remove_entry_secure dir1
FileUtils.remove_entry_secure dir2
end
end
it "sets x-accel-redirect response header and discards body when initialized with multiple mappings via header" do
begin
dir1 = Dir.mktmpdir
dir2 = Dir.mktmpdir
dir3 = Dir.mktmpdir
first_body = open_file(File.join(dir1, 'rack_sendfile'))
first_body.puts 'hello world'
second_body = open_file(File.join(dir2, 'rack_sendfile'))
second_body.puts 'goodbye world'
third_body = open_file(File.join(dir3, 'rack_sendfile'))
third_body.puts 'hello again world'
headers = {
'HTTP_X_SENDFILE_TYPE' => 'x-accel-redirect',
'HTTP_X_ACCEL_MAPPING' => "#{dir1}/=/foo/bar/, #{dir2}/=/wibble/"
}
request(headers, first_body) do |response|
response.must_be :ok?
response.body.must_be :empty?
response.headers['content-length'].must_equal '0'
response.headers['x-accel-redirect'].must_equal '/foo/bar/rack_sendfile'
end
request(headers, second_body) do |response|
response.must_be :ok?
response.body.must_be :empty?
response.headers['content-length'].must_equal '0'
response.headers['x-accel-redirect'].must_equal '/wibble/rack_sendfile'
end
request(headers, third_body) do |response|
response.must_be :ok?
response.body.must_be :empty?
response.headers['content-length'].must_equal '0'
response.headers['x-accel-redirect'].must_equal "#{dir3}/rack_sendfile"
end
ensure
FileUtils.remove_entry_secure dir1
FileUtils.remove_entry_secure dir2
end
end
end
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