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-rw-r--r--actionpack/lib/action_dispatch/journey/router/utils.rb19
1 files changed, 13 insertions, 6 deletions
diff --git a/actionpack/lib/action_dispatch/journey/router/utils.rb b/actionpack/lib/action_dispatch/journey/router/utils.rb
index d641642338..3336036a03 100644
--- a/actionpack/lib/action_dispatch/journey/router/utils.rb
+++ b/actionpack/lib/action_dispatch/journey/router/utils.rb
@@ -5,7 +5,7 @@ module ActionDispatch
# Normalizes URI path.
#
# Strips off trailing slash and ensures there is a leading slash.
- # Also converts downcase url encoded string to uppercase.
+ # Also converts downcase URL encoded string to uppercase.
#
# normalize_path("/foo") # => "/foo"
# normalize_path("/foo/") # => "/foo"
@@ -13,11 +13,14 @@ module ActionDispatch
# normalize_path("") # => "/"
# normalize_path("/%ab") # => "/%AB"
def self.normalize_path(path)
- path = "/#{path}"
+ path ||= ''
+ encoding = path.encoding
+ path = "/#{path}".dup
path.squeeze!("/".freeze)
path.sub!(%r{/+\Z}, "".freeze)
path.gsub!(/(%[a-f0-9]{2})/) { $1.upcase }
- path = "/" if path == "".freeze
+ path = "/".dup if path == "".freeze
+ path.force_encoding(encoding)
path
end
@@ -27,7 +30,7 @@ module ActionDispatch
ENCODE = "%%%02X".freeze
US_ASCII = Encoding::US_ASCII
UTF_8 = Encoding::UTF_8
- EMPTY = "".force_encoding(US_ASCII).freeze
+ EMPTY = "".dup.force_encoding(US_ASCII).freeze
DEC2HEX = (0..255).to_a.map { |i| ENCODE % i }.map { |s| s.force_encoding(US_ASCII) }
ALPHA = "a-zA-Z".freeze
@@ -59,11 +62,11 @@ module ActionDispatch
end
private
- def escape(component, pattern) # :doc:
+ def escape(component, pattern)
component.gsub(pattern) { |unsafe| percent_encode(unsafe) }.force_encoding(US_ASCII)
end
- def percent_encode(unsafe) # :doc:
+ def percent_encode(unsafe)
safe = EMPTY.dup
unsafe.each_byte { |b| safe << DEC2HEX[b] }
safe
@@ -84,6 +87,10 @@ module ActionDispatch
ENCODER.escape_fragment(fragment.to_s)
end
+ # Replaces any escaped sequences with their unescaped representations.
+ #
+ # uri = "/topics?title=Ruby%20on%20Rails"
+ # unescape_uri(uri) #=> "/topics?title=Ruby on Rails"
def self.unescape_uri(uri)
ENCODER.unescape_uri(uri)
end