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From 8946bb38b4d87549f0d99ed73c62c41933f97cc7 Mon Sep 17 00:00:00 2001
From: Yusuke Endoh <mame@ruby-lang.org>
Date: Tue, 29 Sep 2020 13:15:58 +0900
Subject: [PATCH] Make it more strict to interpret some headers
Some regexps were too tolerant.
---
lib/webrick/httprequest.rb | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/lib/webrick/httprequest.rb b/lib/webrick/httprequest.rb
index 294bd91..d34eac7 100644
--- a/lib/webrick/httprequest.rb
+++ b/lib/webrick/httprequest.rb
@@ -226,9 +226,9 @@
raise HTTPStatus::BadRequest, "bad URI `#{@unparsed_uri}'."
end
- if /close/io =~ self["connection"]
+ if /\Aclose\z/io =~ self["connection"]
@keep_alive = false
- elsif /keep-alive/io =~ self["connection"]
+ elsif /\Akeep-alive\z/io =~ self["connection"]
@keep_alive = true
elsif @http_version < "1.1"
@keep_alive = false
@@ -475,7 +475,7 @@
return unless socket
if tc = self['transfer-encoding']
case tc
- when /chunked/io then read_chunked(socket, block)
+ when /\Achunked\z/io then read_chunked(socket, block)
else raise HTTPStatus::NotImplemented, "Transfer-Encoding: #{tc}."
end
elsif self['content-length'] || @remaining_size
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