diff options
-rw-r--r-- | ChangeLog | 4 | ||||
-rw-r--r-- | lib/uri/common.rb | 28 |
2 files changed, 23 insertions, 9 deletions
@@ -1,3 +1,7 @@ +Tue Apr 12 19:19:50 2011 NARUSE, Yui <naruse@ruby-lang.org> + + * lib/uri/common.rb: avoid race condition. fixes #4572 + Tue Apr 12 18:07:13 2011 TAKAO Kouji <kouji@takao7.net> * ext/readline/extconf.rb: --disable-libedit to disable diff --git a/lib/uri/common.rb b/lib/uri/common.rb index e2ccbdc846..3bfe33ac64 100644 --- a/lib/uri/common.rb +++ b/lib/uri/common.rb @@ -743,11 +743,16 @@ module URI # See URI.decode_www_form_component, URI.encode_www_form def self.encode_www_form_component(str) if TBLENCWWWCOMP_.empty? + tbl = {} 256.times do |i| - TBLENCWWWCOMP_[i.chr] = '%%%02X' % i + tbl[i.chr] = '%%%02X' % i + end + tbl[' '] = '+' + begin + TBLENCWWWCOMP_.replace(tbl) + TBLENCWWWCOMP_.freeze + rescue end - TBLENCWWWCOMP_[' '] = '+' - TBLENCWWWCOMP_.freeze end str = str.to_s if HTML5ASCIIINCOMPAT.include?(str.encoding) @@ -767,15 +772,20 @@ module URI # See URI.encode_www_form_component, URI.decode_www_form def self.decode_www_form_component(str, enc=Encoding::UTF_8) if TBLDECWWWCOMP_.empty? + tbl = {} 256.times do |i| h, l = i>>4, i&15 - TBLDECWWWCOMP_['%%%X%X' % [h, l]] = i.chr - TBLDECWWWCOMP_['%%%x%X' % [h, l]] = i.chr - TBLDECWWWCOMP_['%%%X%x' % [h, l]] = i.chr - TBLDECWWWCOMP_['%%%x%x' % [h, l]] = i.chr + tbl['%%%X%X' % [h, l]] = i.chr + tbl['%%%x%X' % [h, l]] = i.chr + tbl['%%%X%x' % [h, l]] = i.chr + tbl['%%%x%x' % [h, l]] = i.chr + end + tbl['+'] = ' ' + begin + TBLDECWWWCOMP_.replace(tbl) + TBLDECWWWCOMP_.freeze + rescue end - TBLDECWWWCOMP_['+'] = ' ' - TBLDECWWWCOMP_.freeze end raise ArgumentError, "invalid %-encoding (#{str})" unless /\A(?:%\h\h|[^%]+)*\z/ =~ str str.gsub(/\+|%\h\h/, TBLDECWWWCOMP_).force_encoding(enc) |