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| | # -*- encoding: binary -*-
# Copyright (c) 2005 Zed A. Shaw
# You can redistribute it and/or modify it under the same terms as Ruby 1.8 or
# the GPLv2+ (GPLv3+ preferred)
#
# Additional work donated by contributors. See git history
# for more information.
require './test/test_helper'
include Unicorn
class HttpParserTest < Test::Unit::TestCase
def test_parse_simple
parser = HttpParser.new
req = parser.env
http = parser.buf
http << "GET / HTTP/1.1\r\n\r\n"
assert_equal req, parser.parse
assert_equal '', http
assert_equal 'HTTP/1.1', req['SERVER_PROTOCOL']
assert_equal '/', req['REQUEST_PATH']
assert_equal 'HTTP/1.1', req['HTTP_VERSION']
assert_equal '/', req['REQUEST_URI']
assert_equal 'GET', req['REQUEST_METHOD']
assert_nil req['FRAGMENT']
assert_equal '', req['QUERY_STRING']
assert parser.keepalive?
parser.clear
req.clear
req = parser.env
http = parser.buf
http << "G"
assert_nil parser.parse
assert_equal "G", http
assert req.empty?
# try parsing again to ensure we were reset correctly
http << "ET /hello-world HTTP/1.1\r\n\r\n"
assert parser.parse
assert_equal 'HTTP/1.1', req['SERVER_PROTOCOL']
assert_equal '/hello-world', req['REQUEST_PATH']
assert_equal 'HTTP/1.1', req['HTTP_VERSION']
assert_equal '/hello-world', req['REQUEST_URI']
assert_equal 'GET', req['REQUEST_METHOD']
assert_nil req['FRAGMENT']
assert_equal '', req['QUERY_STRING']
assert_equal '', http
assert parser.keepalive?
end
def test_tab_lws
parser = HttpParser.new
req = parser.env
parser.buf << "GET / HTTP/1.1\r\nHost:\tfoo.bar\r\n\r\n"
assert_equal req.object_id, parser.parse.object_id
assert_equal "foo.bar", req['HTTP_HOST']
end
def test_connection_close_no_ka
parser = HttpParser.new
req = parser.env
parser.buf << "GET / HTTP/1.1\r\nConnection: close\r\n\r\n"
assert_equal req.object_id, parser.parse.object_id
assert_equal "GET", req['REQUEST_METHOD']
assert ! parser.keepalive?
end
def test_connection_keep_alive_ka
parser = HttpParser.new
req = parser.env
parser.buf << "HEAD / HTTP/1.1\r\nConnection: keep-alive\r\n\r\n"
assert_equal req.object_id, parser.parse.object_id
assert parser.keepalive?
end
def test_connection_keep_alive_no_body
parser = HttpParser.new
req = parser.env
parser.buf << "POST / HTTP/1.1\r\nConnection: keep-alive\r\n\r\n"
assert_equal req.object_id, parser.parse.object_id
assert parser.keepalive?
end
def test_connection_keep_alive_no_body_empty
parser = HttpParser.new
req = parser.env
parser.buf << "POST / HTTP/1.1\r\n" \
"Content-Length: 0\r\n" \
"Connection: keep-alive\r\n\r\n"
assert_equal req.object_id, parser.parse.object_id
assert parser.keepalive?
end
def test_connection_keep_alive_ka_bad_version
parser = HttpParser.new
req = parser.env
parser.buf << "GET / HTTP/1.0\r\nConnection: keep-alive\r\n\r\n"
assert_equal req.object_id, parser.parse.object_id
assert parser.keepalive?
end
def test_parse_server_host_default_port
parser = HttpParser.new
req = parser.env
parser.buf << "GET / HTTP/1.1\r\nHost: foo\r\n\r\n"
assert_equal req, parser.parse
assert_equal 'foo', req['SERVER_NAME']
assert_equal '80', req['SERVER_PORT']
assert_equal '', parser.buf
assert parser.keepalive?
end
def test_parse_server_host_alt_port
parser = HttpParser.new
req = parser.env
parser.buf << "GET / HTTP/1.1\r\nHost: foo:999\r\n\r\n"
assert_equal req, parser.parse
assert_equal 'foo', req['SERVER_NAME']
assert_equal '999', req['SERVER_PORT']
assert_equal '', parser.buf
assert parser.keepalive?
end
def test_parse_server_host_empty_port
parser = HttpParser.new
req = parser.env
parser.buf << "GET / HTTP/1.1\r\nHost: foo:\r\n\r\n"
assert_equal req, parser.parse
assert_equal 'foo', req['SERVER_NAME']
assert_equal '80', req['SERVER_PORT']
assert_equal '', parser.buf
assert parser.keepalive?
end
def test_parse_server_host_xfp_https
parser = HttpParser.new
req = parser.env
parser.buf << "GET / HTTP/1.1\r\nHost: foo:\r\n" \
"X-Forwarded-Proto: https\r\n\r\n"
assert_equal req, parser.parse
assert_equal 'foo', req['SERVER_NAME']
assert_equal '443', req['SERVER_PORT']
assert_equal '', parser.buf
assert parser.keepalive?
end
def test_parse_xfp_https_chained
parser = HttpParser.new
req = parser.env
parser.buf << "GET / HTTP/1.0\r\n" \
"X-Forwarded-Proto: https,http\r\n\r\n"
assert_equal req, parser.parse
assert_equal '443', req['SERVER_PORT'], req.inspect
assert_equal 'https', req['rack.url_scheme'], req.inspect
assert_equal '', parser.buf
end
def test_parse_xfp_https_chained_backwards
parser = HttpParser.new
req = parser.env
parser.buf << "GET / HTTP/1.0\r\n" \
"X-Forwarded-Proto: http,https\r\n\r\n"
assert_equal req, parser.parse
assert_equal '80', req['SERVER_PORT'], req.inspect
assert_equal 'http', req['rack.url_scheme'], req.inspect
assert_equal '', parser.buf
end
def test_parse_xfp_gopher_is_ignored
parser = HttpParser.new
req = parser.env
parser.buf << "GET / HTTP/1.0\r\n" \
"X-Forwarded-Proto: gopher\r\n\r\n"
assert_equal req, parser.parse
assert_equal '80', req['SERVER_PORT'], req.inspect
assert_equal 'http', req['rack.url_scheme'], req.inspect
assert_equal '', parser.buf
end
def test_parse_x_forwarded_ssl_on
parser = HttpParser.new
req = parser.env
parser.buf << "GET / HTTP/1.0\r\n" \
"X-Forwarded-Ssl: on\r\n\r\n"
assert_equal req, parser.parse
assert_equal '443', req['SERVER_PORT'], req.inspect
assert_equal 'https', req['rack.url_scheme'], req.inspect
assert_equal '', parser.buf
end
def test_parse_x_forwarded_ssl_off
parser = HttpParser.new
req = parser.env
parser.buf << "GET / HTTP/1.0\r\nX-Forwarded-Ssl: off\r\n\r\n"
assert_equal req, parser.parse
assert_equal '80', req['SERVER_PORT'], req.inspect
assert_equal 'http', req['rack.url_scheme'], req.inspect
assert_equal '', parser.buf
end
def test_parse_strange_headers
parser = HttpParser.new
req = parser.env
should_be_good = "GET / HTTP/1.1\r\naaaaaaaaaaaaa:++++++++++\r\n\r\n"
parser.buf << should_be_good
assert_equal req, parser.parse
assert_equal '', parser.buf
assert parser.keepalive?
end
# legacy test case from Mongrel that we never supported before...
# I still consider Pound irrelevant, unfortunately stupid clients that
# send extremely big headers do exist and they've managed to find Unicorn...
def test_nasty_pound_header
parser = HttpParser.new
nasty_pound_header = "GET / HTTP/1.1\r\nX-SSL-Bullshit: -----BEGIN CERTIFICATE-----\r\n\tMIIFbTCCBFWgAwIBAgICH4cwDQYJKoZIhvcNAQEFBQAwcDELMAkGA1UEBhMCVUsx\r\n\tETAPBgNVBAoTCGVTY2llbmNlMRIwEAYDVQQLEwlBdXRob3JpdHkxCzAJBgNVBAMT\r\n\tAkNBMS0wKwYJKoZIhvcNAQkBFh5jYS1vcGVyYXRvckBncmlkLXN1cHBvcnQuYWMu\r\n\tdWswHhcNMDYwNzI3MTQxMzI4WhcNMDcwNzI3MTQxMzI4WjBbMQswCQYDVQQGEwJV\r\n\tSzERMA8GA1UEChMIZVNjaWVuY2UxEzARBgNVBAsTCk1hbmNoZXN0ZXIxCzAJBgNV\r\n\tBAcTmrsogriqMWLAk1DMRcwFQYDVQQDEw5taWNoYWVsIHBhcmQYJKoZIhvcNAQEB\r\n\tBQADggEPADCCAQoCggEBANPEQBgl1IaKdSS1TbhF3hEXSl72G9J+WC/1R64fAcEF\r\n\tW51rEyFYiIeZGx/BVzwXbeBoNUK41OK65sxGuflMo5gLflbwJtHBRIEKAfVVp3YR\r\n\tgW7cMA/s/XKgL1GEC7rQw8lIZT8RApukCGqOVHSi/F1SiFlPDxuDfmdiNzL31+sL\r\n\t0iwHDdNkGjy5pyBSB8Y79dsSJtCW/iaLB0/n8Sj7HgvvZJ7x0fr+RQjYOUUfrePP\r\n\tu2MSpFyf+9BbC/aXgaZuiCvSR+8Snv3xApQY+fULK/xY8h8Ua51iXoQ5jrgu2SqR\r\n\twgA7BUi3G8LFzMBl8FRCDYGUDy7M6QaHXx1ZWIPWNKsCAwEAAaOCAiQwggIgMAwG\r\n\tA1UdEwEB/wQCMAAwEQYJYIZIAYb4QgEBBAQDAgWgMA4GA1UdDwEB/wQEAwID6DAs\r\n\tBglghkgBhvhCAQ0EHxYdVUsgZS1TY2llbmNlIFVzZXIgQ2VydGlmaWNhdGUwHQYD\r\n\tVR0OBBYEFDTt/sf9PeMaZDHkUIldrDYMNTBZMIGaBgNVHSMEgZIwgY+AFAI4qxGj\r\n\tloCLDdMVKwiljjDastqooXSkcjBwMQswCQYDVQQGEwJVSzERMA8GA1UEChMIZVNj\r\n\taWVuY2UxEjAQBgNVBAsTCUF1dGhvcml0eTELMAkGA1UEAxMCQ0ExLTArBgkqhkiG\r\n\t9w0BCQEWHmNhLW9wZXJhdG9yQGdyaWQtc3VwcG9ydC5hYy51a4IBADApBgNVHRIE\r\n\tIjAggR5jYS1vcGVyYXRvckBncmlkLXN1cHBvcnQuYWMudWswGQYDVR0gBBIwEDAO\r\n\tBgwrBgEEAdkvAQEBAQYwPQYJYIZIAYb4QgEEBDAWLmh0dHA6Ly9jYS5ncmlkLXN1\r\n\tcHBvcnQuYWMudmT4sopwqlBWsvcHViL2NybC9jYWNybC5jcmwwPQYJYIZIAYb4QgEDBDAWLmh0\r\n\tdHA6Ly9jYS5ncmlkLXN1cHBvcnQuYWMudWsvcHViL2NybC9jYWNybC5jcmwwPwYD\r\n\tVR0fBDgwNjA0oDKgMIYuaHR0cDovL2NhLmdyaWQt5hYy51ay9wdWIv\r\n\tY3JsL2NhY3JsLmNybDANBgkqhkiG9w0BAQUFAAOCAQEAS/U4iiooBENGW/Hwmmd3\r\n\tXCy6Zrt08YjKCzGNjorT98g8uGsqYjSxv/hmi0qlnlHs+k/3Iobc3LjS5AMYr5L8\r\n\tUO7OSkgFFlLHQyC9JzPfmLCAugvzEbyv4Olnsr8hbxF1MbKZoQxUZtMVu29wjfXk\r\n\thTeApBv7eaKCWpSp7MCbvgzm74izKhu3vlDk9w6qVrxePfGgpKPqfHiOoGhFnbTK\r\n\twTC6o2xq5y0qZ03JonF7OJspEd3I5zKY3E+ov7/ZhW6DqT8UFvsAdjvQbXyhV8Eu\r\n\tYhixw1aKEPzNjNowuIseVogKOLXxWI5vAi5HgXdS0/ES5gDGsABo4fqovUKlgop3\r\n\tRA==\r\n\t-----END CERTIFICATE-----\r\n\r\n"
req = parser.env
parser.buf << nasty_pound_header.dup
assert nasty_pound_header =~ /(-----BEGIN .*--END CERTIFICATE-----)/m
expect = $1.dup
expect.gsub!(/\r\n\t/, ' ')
assert_equal req, parser.parse
assert_equal '', parser.buf
assert_equal expect, req['HTTP_X_SSL_BULLSHIT']
end
def test_multiline_header_0d0a
parser = HttpParser.new
parser.buf << "GET / HTTP/1.0\r\n" \
"X-Multiline-Header: foo bar\r\n\tcha cha\r\n\tzha zha\r\n\r\n"
req = parser.env
assert_equal req, parser.parse
assert_equal 'foo bar cha cha zha zha', req['HTTP_X_MULTILINE_HEADER']
end
def test_multiline_header_0a
parser = HttpParser.new
parser.buf << "GET / HTTP/1.0\n" \
"X-Multiline-Header: foo bar\n\tcha cha\n\tzha zha\n\n"
req = parser.env
assert_equal req, parser.parse
assert_equal 'foo bar cha cha zha zha', req['HTTP_X_MULTILINE_HEADER']
end
def test_continuation_eats_leading_spaces
parser = HttpParser.new
header = "GET / HTTP/1.1\r\n" \
"X-ASDF: \r\n" \
"\t\r\n" \
" \r\n" \
" ASDF\r\n\r\n"
parser.buf << header
req = parser.env
assert_equal req, parser.parse
assert_equal '', parser.buf
assert_equal 'ASDF', req['HTTP_X_ASDF']
end
def test_continuation_eats_scattered_leading_spaces
parser = HttpParser.new
header = "GET / HTTP/1.1\r\n" \
"X-ASDF: hi\r\n" \
" y\r\n" \
"\t\r\n" \
" x\r\n" \
" ASDF\r\n\r\n"
req = parser.env
parser.buf << header
assert_equal req, parser.parse
assert_equal '', parser.buf
assert_equal 'hi y x ASDF', req['HTTP_X_ASDF']
end
def test_continuation_eats_trailing_spaces
parser = HttpParser.new
header = "GET / HTTP/1.1\r\n" \
"X-ASDF: \r\n" \
"\t\r\n" \
" b \r\n" \
" ASDF\r\n\r\n"
parser.buf << header
req = parser.env
assert_equal req, parser.parse
assert_equal '', parser.buf
assert_equal 'b ASDF', req['HTTP_X_ASDF']
end
def test_continuation_with_absolute_uri_and_ignored_host_header
parser = HttpParser.new
header = "GET http://example.com/ HTTP/1.1\r\n" \
"Host: \r\n" \
" YHBT.net\r\n" \
"\r\n"
parser.buf << header
req = parser.env
assert_equal req, parser.parse
assert_equal 'example.com', req['HTTP_HOST']
end
# this may seem to be testing more of an implementation detail, but
# it also helps ensure we're safe in the presence of multiple parsers
# in case we ever go multithreaded/evented...
def test_resumable_continuations
nr = 1000
header = "GET / HTTP/1.1\r\n" \
"X-ASDF: \r\n" \
" hello\r\n"
tmp = []
nr.times { |i|
parser = HttpParser.new
req = parser.env
parser.buf << "#{header} #{i}\r\n"
assert parser.parse.nil?
asdf = req['HTTP_X_ASDF']
assert_equal "hello #{i}", asdf
tmp << [ parser, asdf ]
}
tmp.each_with_index { |(parser, asdf), i|
parser.buf << " .\r\n\r\n"
assert parser.parse
assert_equal "hello #{i} .", asdf
}
end
def test_invalid_continuation
parser = HttpParser.new
header = "GET / HTTP/1.1\r\n" \
" y\r\n" \
"Host: hello\r\n" \
"\r\n"
parser.buf << header
assert_raises(HttpParserError) { parser.parse }
end
def test_parse_ie6_urls
%w(/some/random/path"
/some/random/path>
/some/random/path<
/we/love/you/ie6?q=<"">
/url?<="&>="
/mal"formed"?
).each do |path|
parser = HttpParser.new
req = parser.env
sorta_safe = %(GET #{path} HTTP/1.1\r\n\r\n)
assert_equal req, parser.headers(req, sorta_safe)
assert_equal path, req['REQUEST_URI']
assert_equal '', sorta_safe
assert parser.keepalive?
end
end
def test_parse_error
parser = HttpParser.new
req = parser.env
bad_http = "GET / SsUTF/1.1"
assert_raises(HttpParserError) { parser.headers(req, bad_http) }
# make sure we can recover
parser.clear
req.clear
assert_equal req, parser.headers(req, "GET / HTTP/1.0\r\n\r\n")
assert ! parser.keepalive?
end
def test_piecemeal
parser = HttpParser.new
req = parser.env
http = "GET"
assert_nil parser.headers(req, http)
assert_nil parser.headers(req, http)
assert_nil parser.headers(req, http << " / HTTP/1.0")
assert_equal '/', req['REQUEST_PATH']
assert_equal '/', req['REQUEST_URI']
assert_equal 'GET', req['REQUEST_METHOD']
assert_nil parser.headers(req, http << "\r\n")
assert_equal 'HTTP/1.0', req['HTTP_VERSION']
assert_nil parser.headers(req, http << "\r")
assert_equal req, parser.headers(req, http << "\n")
assert_equal 'HTTP/1.0', req['SERVER_PROTOCOL']
assert_nil req['FRAGMENT']
assert_equal '', req['QUERY_STRING']
assert_equal "", http
assert ! parser.keepalive?
end
# not common, but underscores do appear in practice
def test_absolute_uri_underscores
parser = HttpParser.new
req = parser.env
http = "GET http://under_score.example.com/foo?q=bar HTTP/1.0\r\n\r\n"
parser.buf << http
assert_equal req, parser.parse
assert_equal 'http', req['rack.url_scheme']
assert_equal '/foo?q=bar', req['REQUEST_URI']
assert_equal '/foo', req['REQUEST_PATH']
assert_equal 'q=bar', req['QUERY_STRING']
assert_equal 'under_score.example.com', req['HTTP_HOST']
assert_equal 'under_score.example.com', req['SERVER_NAME']
assert_equal '80', req['SERVER_PORT']
assert_equal "", parser.buf
assert ! parser.keepalive?
end
# some dumb clients add users because they're stupid
def test_absolute_uri_w_user
parser = HttpParser.new
req = parser.env
http = "GET http://user%20space@example.com/foo?q=bar HTTP/1.0\r\n\r\n"
parser.buf << http
assert_equal req, parser.parse
assert_equal 'http', req['rack.url_scheme']
assert_equal '/foo?q=bar', req['REQUEST_URI']
assert_equal '/foo', req['REQUEST_PATH']
assert_equal 'q=bar', req['QUERY_STRING']
assert_equal 'example.com', req['HTTP_HOST']
assert_equal 'example.com', req['SERVER_NAME']
assert_equal '80', req['SERVER_PORT']
assert_equal "", parser.buf
assert ! parser.keepalive?
end
# since Mongrel supported anything URI.parse supported, we're stuck
# supporting everything URI.parse supports
def test_absolute_uri_uri_parse
"#{URI::REGEXP::PATTERN::UNRESERVED};:&=+$,".split(//).each do |char|
parser = HttpParser.new
req = parser.env
http = "GET http://#{char}@example.com/ HTTP/1.0\r\n\r\n"
assert_equal req, parser.headers(req, http)
assert_equal 'http', req['rack.url_scheme']
assert_equal '/', req['REQUEST_URI']
assert_equal '/', req['REQUEST_PATH']
assert_equal '', req['QUERY_STRING']
assert_equal 'example.com', req['HTTP_HOST']
assert_equal 'example.com', req['SERVER_NAME']
assert_equal '80', req['SERVER_PORT']
assert_equal "", http
assert ! parser.keepalive?
end
end
def test_absolute_uri
parser = HttpParser.new
req = parser.env
parser.buf << "GET http://example.com/foo?q=bar HTTP/1.0\r\n\r\n"
assert_equal req, parser.parse
assert_equal 'http', req['rack.url_scheme']
assert_equal '/foo?q=bar', req['REQUEST_URI']
assert_equal '/foo', req['REQUEST_PATH']
assert_equal 'q=bar', req['QUERY_STRING']
assert_equal 'example.com', req['HTTP_HOST']
assert_equal 'example.com', req['SERVER_NAME']
assert_equal '80', req['SERVER_PORT']
assert_equal "", parser.buf
assert ! parser.keepalive?
end
# X-Forwarded-Proto is not in rfc2616, absolute URIs are, however...
def test_absolute_uri_https
parser = HttpParser.new
req = parser.env
http = "GET https://example.com/foo?q=bar HTTP/1.1\r\n" \
"X-Forwarded-Proto: http\r\n\r\n"
parser.buf << http
assert_equal req, parser.parse
assert_equal 'https', req['rack.url_scheme']
assert_equal '/foo?q=bar', req['REQUEST_URI']
assert_equal '/foo', req['REQUEST_PATH']
assert_equal 'q=bar', req['QUERY_STRING']
assert_equal 'example.com', req['HTTP_HOST']
assert_equal 'example.com', req['SERVER_NAME']
assert_equal '443', req['SERVER_PORT']
assert_equal "", parser.buf
assert parser.keepalive?
end
# Host: header should be ignored for absolute URIs
def test_absolute_uri_with_port
parser = HttpParser.new
req = parser.env
parser.buf << "GET http://example.com:8080/foo?q=bar HTTP/1.2\r\n" \
"Host: bad.example.com\r\n\r\n"
assert_equal req, parser.parse
assert_equal 'http', req['rack.url_scheme']
assert_equal '/foo?q=bar', req['REQUEST_URI']
assert_equal '/foo', req['REQUEST_PATH']
assert_equal 'q=bar', req['QUERY_STRING']
assert_equal 'example.com:8080', req['HTTP_HOST']
assert_equal 'example.com', req['SERVER_NAME']
assert_equal '8080', req['SERVER_PORT']
assert_equal "", parser.buf
assert ! parser.keepalive? # TODO: read HTTP/1.2 when it's final
end
def test_absolute_uri_with_empty_port
parser = HttpParser.new
req = parser.env
parser.buf << "GET https://example.com:/foo?q=bar HTTP/1.1\r\n" \
"Host: bad.example.com\r\n\r\n"
assert_equal req, parser.parse
assert_equal 'https', req['rack.url_scheme']
assert_equal '/foo?q=bar', req['REQUEST_URI']
assert_equal '/foo', req['REQUEST_PATH']
assert_equal 'q=bar', req['QUERY_STRING']
assert_equal 'example.com:', req['HTTP_HOST']
assert_equal 'example.com', req['SERVER_NAME']
assert_equal '443', req['SERVER_PORT']
assert_equal "", parser.buf
assert parser.keepalive? # TODO: read HTTP/1.2 when it's final
end
def test_absolute_ipv6_uri
parser = HttpParser.new
req = parser.env
url = "http://[::1]/foo?q=bar"
http = "GET #{url} HTTP/1.1\r\n" \
"Host: bad.example.com\r\n\r\n"
assert_equal req, parser.headers(req, http)
assert_equal 'http', req['rack.url_scheme']
assert_equal '/foo?q=bar', req['REQUEST_URI']
assert_equal '/foo', req['REQUEST_PATH']
assert_equal 'q=bar', req['QUERY_STRING']
uri = URI.parse(url)
assert_equal "[::1]", uri.host,
"URI.parse changed upstream for #{url}? host=#{uri.host}"
assert_equal "[::1]", req['HTTP_HOST']
assert_equal "[::1]", req['SERVER_NAME']
assert_equal '80', req['SERVER_PORT']
assert_equal "", http
assert parser.keepalive? # TODO: read HTTP/1.2 when it's final
end
def test_absolute_ipv6_uri_alpha
parser = HttpParser.new
req = parser.env
url = "http://[::a]/"
http = "GET #{url} HTTP/1.1\r\n" \
"Host: bad.example.com\r\n\r\n"
assert_equal req, parser.headers(req, http)
assert_equal 'http', req['rack.url_scheme']
uri = URI.parse(url)
assert_equal "[::a]", uri.host,
"URI.parse changed upstream for #{url}? host=#{uri.host}"
assert_equal "[::a]", req['HTTP_HOST']
assert_equal "[::a]", req['SERVER_NAME']
assert_equal '80', req['SERVER_PORT']
end
def test_absolute_ipv6_uri_alpha_2
parser = HttpParser.new
req = parser.env
url = "http://[::B]/"
http = "GET #{url} HTTP/1.1\r\n" \
"Host: bad.example.com\r\n\r\n"
assert_equal req, parser.headers(req, http)
assert_equal 'http', req['rack.url_scheme']
uri = URI.parse(url)
assert_equal "[::B]", uri.host,
"URI.parse changed upstream for #{url}? host=#{uri.host}"
assert_equal "[::B]", req['HTTP_HOST']
assert_equal "[::B]", req['SERVER_NAME']
assert_equal '80', req['SERVER_PORT']
end
def test_absolute_ipv6_uri_with_empty_port
parser = HttpParser.new
req = parser.env
url = "https://[::1]:/foo?q=bar"
http = "GET #{url} HTTP/1.1\r\n" \
"Host: bad.example.com\r\n\r\n"
assert_equal req, parser.headers(req, http)
assert_equal 'https', req['rack.url_scheme']
assert_equal '/foo?q=bar', req['REQUEST_URI']
assert_equal '/foo', req['REQUEST_PATH']
assert_equal 'q=bar', req['QUERY_STRING']
uri = URI.parse(url)
assert_equal "[::1]", uri.host,
"URI.parse changed upstream for #{url}? host=#{uri.host}"
assert_equal "[::1]:", req['HTTP_HOST']
assert_equal "[::1]", req['SERVER_NAME']
assert_equal '443', req['SERVER_PORT']
assert_equal "", http
assert parser.keepalive? # TODO: read HTTP/1.2 when it's final
end
def test_absolute_ipv6_uri_with_port
parser = HttpParser.new
req = parser.env
url = "https://[::1]:666/foo?q=bar"
http = "GET #{url} HTTP/1.1\r\n" \
"Host: bad.example.com\r\n\r\n"
assert_equal req, parser.headers(req, http)
assert_equal 'https', req['rack.url_scheme']
assert_equal '/foo?q=bar', req['REQUEST_URI']
assert_equal '/foo', req['REQUEST_PATH']
assert_equal 'q=bar', req['QUERY_STRING']
uri = URI.parse(url)
assert_equal "[::1]", uri.host,
"URI.parse changed upstream for #{url}? host=#{uri.host}"
assert_equal "[::1]:666", req['HTTP_HOST']
assert_equal "[::1]", req['SERVER_NAME']
assert_equal '666', req['SERVER_PORT']
assert_equal "", http
assert parser.keepalive? # TODO: read HTTP/1.2 when it's final
end
def test_ipv6_host_header
parser = HttpParser.new
req = parser.env
parser.buf << "GET / HTTP/1.1\r\n" \
"Host: [::1]\r\n\r\n"
assert_equal req, parser.parse
assert_equal "[::1]", req['HTTP_HOST']
assert_equal "[::1]", req['SERVER_NAME']
assert_equal '80', req['SERVER_PORT']
assert_equal "", parser.buf
assert parser.keepalive? # TODO: read HTTP/1.2 when it's final
end
def test_ipv6_host_header_with_port
parser = HttpParser.new
req = parser.env
parser.buf << "GET / HTTP/1.1\r\n" \
"Host: [::1]:666\r\n\r\n"
assert_equal req, parser.parse
assert_equal "[::1]", req['SERVER_NAME']
assert_equal '666', req['SERVER_PORT']
assert_equal "[::1]:666", req['HTTP_HOST']
assert_equal "", parser.buf
assert parser.keepalive? # TODO: read HTTP/1.2 when it's final
end
def test_ipv6_host_header_with_empty_port
parser = HttpParser.new
req = parser.env
parser.buf << "GET / HTTP/1.1\r\nHost: [::1]:\r\n\r\n"
assert_equal req, parser.parse
assert_equal "[::1]", req['SERVER_NAME']
assert_equal '80', req['SERVER_PORT']
assert_equal "[::1]:", req['HTTP_HOST']
assert_equal "", parser.buf
assert parser.keepalive? # TODO: read HTTP/1.2 when it's final
end
# XXX Highly unlikely..., just make sure we don't segfault or assert on it
def test_broken_ipv6_host_header
parser = HttpParser.new
req = parser.env
parser.buf << "GET / HTTP/1.1\r\nHost: [::1:\r\n\r\n"
assert_equal req, parser.parse
assert_equal "[", req['SERVER_NAME']
assert_equal ':1:', req['SERVER_PORT']
assert_equal "[::1:", req['HTTP_HOST']
assert_equal "", parser.buf
end
def test_put_body_oneshot
parser = HttpParser.new
req = parser.env
parser.buf << "PUT / HTTP/1.0\r\nContent-Length: 5\r\n\r\nabcde"
assert_equal req, parser.parse
assert_equal '/', req['REQUEST_PATH']
assert_equal '/', req['REQUEST_URI']
assert_equal 'PUT', req['REQUEST_METHOD']
assert_equal 'HTTP/1.0', req['HTTP_VERSION']
assert_equal 'HTTP/1.0', req['SERVER_PROTOCOL']
assert_equal "abcde", parser.buf
assert ! parser.keepalive? # TODO: read HTTP/1.2 when it's final
end
def test_put_body_later
parser = HttpParser.new
req = parser.env
parser.buf << "PUT /l HTTP/1.0\r\nContent-Length: 5\r\n\r\n"
assert_equal req, parser.parse
assert_equal '/l', req['REQUEST_PATH']
assert_equal '/l', req['REQUEST_URI']
assert_equal 'PUT', req['REQUEST_METHOD']
assert_equal 'HTTP/1.0', req['HTTP_VERSION']
assert_equal 'HTTP/1.0', req['SERVER_PROTOCOL']
assert_equal "", parser.buf
assert ! parser.keepalive? # TODO: read HTTP/1.2 when it's final
end
def test_unknown_methods
%w(GETT HEADR XGET XHEAD).each { |m|
parser = HttpParser.new
req = parser.env
s = "#{m} /forums/1/topics/2375?page=1#posts-17408 HTTP/1.1\r\n\r\n"
ok = parser.headers(req, s)
assert ok
assert_equal '/forums/1/topics/2375?page=1', req['REQUEST_URI']
assert_equal 'posts-17408', req['FRAGMENT']
assert_equal 'page=1', req['QUERY_STRING']
assert_equal "", s
assert_equal m, req['REQUEST_METHOD']
assert parser.keepalive? # TODO: read HTTP/1.2 when it's final
}
end
def test_fragment_in_uri
parser = HttpParser.new
req = parser.env
get = "GET /forums/1/topics/2375?page=1#posts-17408 HTTP/1.1\r\n\r\n"
parser.buf << get
ok = parser.parse
assert ok
assert_equal '/forums/1/topics/2375?page=1', req['REQUEST_URI']
assert_equal 'posts-17408', req['FRAGMENT']
assert_equal 'page=1', req['QUERY_STRING']
assert_equal '', parser.buf
assert parser.keepalive?
end
# lame random garbage maker
def rand_data(min, max, readable=true)
count = min + ((rand(max)+1) *10).to_i
res = count.to_s + "/"
if readable
res << Digest::SHA1.hexdigest(rand(count * 100).to_s) * (count / 40)
else
res << Digest::SHA1.digest(rand(count * 100).to_s) * (count / 20)
end
return res
end
def test_horrible_queries
parser = HttpParser.new
# then that large header names are caught
10.times do |c|
get = "GET /#{rand_data(10,120)} HTTP/1.1\r\nX-#{rand_data(1024, 1024+(c*1024))}: Test\r\n\r\n"
assert_raises(Unicorn::HttpParserError,Unicorn::RequestURITooLongError) do
parser.buf << get
parser.parse
parser.clear
end
end
# then that large mangled field values are caught
10.times do |c|
get = "GET /#{rand_data(10,120)} HTTP/1.1\r\nX-Test: #{rand_data(1024, 1024+(c*1024), false)}\r\n\r\n"
assert_raises(Unicorn::HttpParserError,Unicorn::RequestURITooLongError) do
parser.buf << get
parser.parse
parser.clear
end
end
# then large headers are rejected too
get = "GET /#{rand_data(10,120)} HTTP/1.1\r\n"
get << "X-Test: test\r\n" * (80 * 1024)
parser.buf << get
assert_raises(Unicorn::HttpParserError,Unicorn::RequestURITooLongError) do
parser.parse
end
parser.clear
# finally just that random garbage gets blocked all the time
10.times do |c|
get = "GET #{rand_data(1024, 1024+(c*1024), false)} #{rand_data(1024, 1024+(c*1024), false)}\r\n\r\n"
assert_raises(Unicorn::HttpParserError,Unicorn::RequestURITooLongError) do
parser.buf << get
parser.parse
parser.clear
end
end
end
def test_leading_tab
parser = HttpParser.new
get = "GET / HTTP/1.1\r\nHost:\texample.com\r\n\r\n"
assert parser.add_parse(get)
assert_equal 'example.com', parser.env['HTTP_HOST']
end
def test_trailing_whitespace
parser = HttpParser.new
get = "GET / HTTP/1.1\r\nHost: example.com \r\n\r\n"
assert parser.add_parse(get)
assert_equal 'example.com', parser.env['HTTP_HOST']
end
def test_trailing_tab
parser = HttpParser.new
get = "GET / HTTP/1.1\r\nHost: example.com\t\r\n\r\n"
assert parser.add_parse(get)
assert_equal 'example.com', parser.env['HTTP_HOST']
end
def test_trailing_multiple_linear_whitespace
parser = HttpParser.new
get = "GET / HTTP/1.1\r\nHost: example.com\t \t \t\r\n\r\n"
assert parser.add_parse(get)
assert_equal 'example.com', parser.env['HTTP_HOST']
end
def test_embedded_linear_whitespace_ok
parser = HttpParser.new
get = "GET / HTTP/1.1\r\nX-Space: hello\t world\t \r\n\r\n"
assert parser.add_parse(get)
assert_equal "hello\t world", parser.env["HTTP_X_SPACE"]
end
def test_null_byte_header
parser = HttpParser.new
get = "GET / HTTP/1.1\r\nHost: \0\r\n\r\n"
assert_raises(HttpParserError) { parser.add_parse(get) }
end
def test_null_byte_in_middle
parser = HttpParser.new
get = "GET / HTTP/1.1\r\nHost: hello\0world\r\n\r\n"
assert_raises(HttpParserError) { parser.add_parse(get) }
end
def test_null_byte_at_end
parser = HttpParser.new
get = "GET / HTTP/1.1\r\nHost: hello\0\r\n\r\n"
assert_raises(HttpParserError) { parser.add_parse(get) }
end
def test_empty_header
parser = HttpParser.new
get = "GET / HTTP/1.1\r\nHost: \r\n\r\n"
assert parser.add_parse(get)
assert_equal '', parser.env['HTTP_HOST']
end
def test_memsize
require 'objspace'
if ObjectSpace.respond_to?(:memsize_of)
n = ObjectSpace.memsize_of(Unicorn::HttpParser.new)
assert_kind_of Integer, n
# need to update this when 128-bit machines come out
# n.b. actual struct size on 64-bit is 56 bytes + 40 bytes for RVALUE
# Ruby <= 2.2 objspace did not count the 40-byte RVALUE, 2.3 does.
assert_operator n, :<=, 96
assert_operator n, :>, 0
end
rescue LoadError
# not all Ruby implementations have objspace
end
def test_dedupe
parser = HttpParser.new
# n.b. String#freeze optimization doesn't work under modern test-unit
exp = -'HTTP_HOST'
get = "GET / HTTP/1.1\r\nHost: example.com\r\nHavpbea-fhpxf: true\r\n\r\n"
assert parser.add_parse(get)
key = parser.env.keys.detect { |k| k == exp }
assert_same exp, key
if RUBY_VERSION.to_r >= 2.6 # 2.6.0-rc1+
exp = -'HTTP_HAVPBEA_FHPXF'
key = parser.env.keys.detect { |k| k == exp }
assert_same exp, key
end
end if RUBY_VERSION.to_r >= 2.5 && RUBY_ENGINE == 'ruby'
end
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