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|
# frozen_string_literal: true
require 'test/unit'
require 'open-uri'
require 'stringio'
require_relative 'utils'
class TestOpenURIProxy < Test::Unit::TestCase
include TestOpenURIUtils
def with_env(h)
begin
old = {}
h.each_key {|k| old[k] = ENV[k] }
ENV.update(h)
yield
ensure
ENV.update(old)
end
end
def setup
@proxies = %w[http_proxy HTTP_PROXY ftp_proxy FTP_PROXY no_proxy]
@old_proxies = @proxies.map {|k| ENV[k] }
@proxies.each {|k| ENV[k] = nil }
end
def teardown
@proxies.each_with_index {|k, i| ENV[k] = @old_proxies[i] }
end
def test_proxy
with_http {|srv, url|
proxy_log = StringIO.new(''.dup)
proxy_access_log = StringIO.new(''.dup)
proxy_auth_log = ''.dup
proxy_host = '127.0.0.1'
proxy = SimpleHTTPProxyServer.new(proxy_host, 0, lambda {|req, res|
proxy_auth_log << req.request_line
}, proxy_log, proxy_access_log)
proxy_port = proxy.instance_variable_get(:@server).addr[1]
proxy_url = "http://#{proxy_host}:#{proxy_port}/"
begin
proxy_thread = proxy.start
srv.mount_proc("/proxy", lambda { |req, res| res.body = "proxy" } )
URI.open("#{url}/proxy", :proxy=>proxy_url) {|f|
assert_equal("200", f.status[0])
assert_equal("proxy", f.read)
}
assert_match(/#{Regexp.quote url}/, proxy_auth_log); proxy_auth_log.clear
URI.open("#{url}/proxy", :proxy=>URI(proxy_url)) {|f|
assert_equal("200", f.status[0])
assert_equal("proxy", f.read)
}
assert_match(/#{Regexp.quote url}/, proxy_auth_log); proxy_auth_log.clear
URI.open("#{url}/proxy", :proxy=>nil) {|f|
assert_equal("200", f.status[0])
assert_equal("proxy", f.read)
}
assert_equal("", proxy_auth_log); proxy_auth_log.clear
assert_raise(ArgumentError) {
URI.open("#{url}/proxy", :proxy=>:invalid) {}
}
assert_equal("", proxy_auth_log); proxy_auth_log.clear
with_env("http_proxy"=>proxy_url) {
# should not use proxy for 127.0.0.0/8.
URI.open("#{url}/proxy") {|f|
assert_equal("200", f.status[0])
assert_equal("proxy", f.read)
}
}
assert_equal("", proxy_auth_log); proxy_auth_log.clear
ensure
proxy.shutdown
proxy_thread.join
end
assert_equal("", proxy_log.string)
}
end
def test_proxy_http_basic_authentication_failure
with_http {|srv, url|
proxy_log = StringIO.new(''.dup)
proxy_access_log = StringIO.new(''.dup)
proxy_auth_log = ''.dup
proxy_host = '127.0.0.1'
proxy = SimpleHTTPProxyServer.new(proxy_host, 0, lambda {|req, res|
proxy_auth_log << req.request_line
if req["Proxy-Authorization"] != "Basic #{['user:pass'].pack('m').chomp}"
raise ProxyAuthenticationRequired
end
}, proxy_log, proxy_access_log)
proxy_port = proxy.instance_variable_get(:@server).addr[1]
proxy_url = "http://#{proxy_host}:#{proxy_port}/"
begin
th = proxy.start
srv.mount_proc("/proxy", lambda { |req, res| res.body = "proxy" } )
exc = assert_raise(OpenURI::HTTPError) { URI.open("#{url}/proxy", :proxy=>proxy_url) {} }
assert_equal("407", exc.io.status[0])
assert_match(/#{Regexp.quote url}/, proxy_auth_log); proxy_auth_log.clear
ensure
proxy.shutdown
th.join
end
assert_match(/ERROR ProxyAuthenticationRequired/, proxy_log.string)
}
end
def test_proxy_http_basic_authentication_success
with_http {|srv, url|
proxy_log = StringIO.new(''.dup)
proxy_access_log = StringIO.new(''.dup)
proxy_auth_log = ''.dup
proxy_host = '127.0.0.1'
proxy = SimpleHTTPProxyServer.new(proxy_host, 0, lambda {|req, res|
proxy_auth_log << req.request_line
if req["Proxy-Authorization"] != "Basic #{['user:pass'].pack('m').chomp}"
raise ProxyAuthenticationRequired
end
}, proxy_log, proxy_access_log)
proxy_port = proxy.instance_variable_get(:@server).addr[1]
proxy_url = "http://#{proxy_host}:#{proxy_port}/"
begin
th = proxy.start
srv.mount_proc("/proxy", lambda { |req, res| res.body = "proxy" } )
URI.open("#{url}/proxy",
:proxy_http_basic_authentication=>[proxy_url, "user", "pass"]) {|f|
assert_equal("200", f.status[0])
assert_equal("proxy", f.read)
}
assert_match(/#{Regexp.quote url}/, proxy_auth_log); proxy_auth_log.clear
assert_raise(ArgumentError) {
URI.open("#{url}/proxy",
:proxy_http_basic_authentication=>[true, "user", "pass"]) {}
}
assert_equal("", proxy_auth_log); proxy_auth_log.clear
ensure
proxy.shutdown
th.join
end
assert_equal("", proxy_log.string)
}
end
def test_authenticated_proxy_http_basic_authentication_success
with_http {|srv, url|
proxy_log = StringIO.new(''.dup)
proxy_access_log = StringIO.new(''.dup)
proxy_auth_log = ''.dup
proxy_host = '127.0.0.1'
proxy = SimpleHTTPProxyServer.new(proxy_host, 0, lambda {|req, res|
proxy_auth_log << req.request_line
if req["Proxy-Authorization"] != "Basic #{['user:pass'].pack('m').chomp}"
raise ProxyAuthenticationRequired
end
}, proxy_log, proxy_access_log)
proxy_port = proxy.instance_variable_get(:@server).addr[1]
proxy_url = "http://user:pass@#{proxy_host}:#{proxy_port}/"
begin
th = proxy.start
srv.mount_proc("/proxy", lambda { |req, res| res.body = "proxy" } )
URI.open("#{url}/proxy", :proxy => proxy_url) {|f|
assert_equal("200", f.status[0])
assert_equal("proxy", f.read)
}
assert_match(/#{Regexp.quote url}/, proxy_auth_log); proxy_auth_log.clear
assert_equal("", proxy_auth_log); proxy_auth_log.clear
ensure
proxy.shutdown
th.join
end
assert_equal("", proxy_log.string)
}
end
end
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