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57 lines
1.8 KiB
Ruby
57 lines
1.8 KiB
Ruby
require 'uri'
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module ActionDispatch
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module Journey # :nodoc:
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class Router # :nodoc:
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class Utils # :nodoc:
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# Normalizes URI path.
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#
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# Strips off trailing slash and ensures there is a leading slash.
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# Also converts downcase url encoded string to uppercase.
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#
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# normalize_path("/foo") # => "/foo"
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# normalize_path("/foo/") # => "/foo"
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# normalize_path("foo") # => "/foo"
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# normalize_path("") # => "/"
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# normalize_path("/%ab") # => "/%AB"
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def self.normalize_path(path)
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path = "/#{path}"
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path.squeeze!('/')
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path.sub!(%r{/+\Z}, '')
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path.gsub!(/(%[a-f0-9]{2})/) { $1.upcase }
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path = '/' if path == ''
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path
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end
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# URI path and fragment escaping
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# http://tools.ietf.org/html/rfc3986
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module UriEscape # :nodoc:
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# Symbol captures can generate multiple path segments, so include /.
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reserved_segment = '/'
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reserved_fragment = '/?'
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reserved_pchar = ':@&=+$,;%'
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safe_pchar = "#{URI::REGEXP::PATTERN::UNRESERVED}#{reserved_pchar}"
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safe_segment = "#{safe_pchar}#{reserved_segment}"
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safe_fragment = "#{safe_pchar}#{reserved_fragment}"
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UNSAFE_SEGMENT = Regexp.new("[^#{safe_segment}]", false).freeze
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UNSAFE_FRAGMENT = Regexp.new("[^#{safe_fragment}]", false).freeze
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end
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Parser = URI::Parser.new
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def self.escape_path(path)
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Parser.escape(path.to_s, UriEscape::UNSAFE_SEGMENT)
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end
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def self.escape_fragment(fragment)
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Parser.escape(fragment.to_s, UriEscape::UNSAFE_FRAGMENT)
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end
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def self.unescape_uri(uri)
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Parser.unescape(uri)
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end
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end
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end
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end
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end
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