method

normalize_path

Ruby latest stable (v2_5_5) - 0 notes - Class: WEBrick::HTTPUtils

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normalize_path(path) private

Normalizes a request path. Raises an exception if the path cannot be normalized.

# File lib/webrick/httputils.rb, line 31
    def normalize_path(path)
      raise "abnormal path `#{path}'" if path[0] != //
      ret = path.dup

      ret.gsub!(%{/+}, '/')                    # //      => /
      while ret.sub!(%/\.(?:/|\Z)', '/'); end  # /.      => /
      while ret.sub!(%/(?!\.\./)[^/]+/\.\.(?:/|\Z)', '/'); end # /foo/.. => /foo

      raise "abnormal path `#{path}'" if %{/\.\.(/|\Z)} =~ ret
      ret
    end

normalize_path

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