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assert_secure(path) click to toggle source

assert_secure checks that if a path exists it has minimally writable permissions. If not, it prints an error and exits. It only works on POSIX systems. Patches for other systems are welcome.

# File lib/inline.rb, line 864
def self.assert_secure(path)
  mode = File.stat(path).mode
  unless ((mode % 01000) & 0022) == 0 then
    if $TESTING then
      raise SecurityError, "Directory #{path} is insecure"
    else
      abort "#{path} is insecure (#{'%o' % mode}). It may not be group or world writable. Exiting."
    end
  end
rescue Errno::ENOENT
  # If it ain't there, it's certainly secure
end

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