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143 lines
No EOL
4.9 KiB
Elixir
143 lines
No EOL
4.9 KiB
Elixir
defmodule Search.IpParser do
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import NimbleParsec
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ipv4_octet =
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choice([
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ascii_char('2') |> ascii_char('5') |> ascii_char([?0..?5]),
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ascii_char('2') |> ascii_char([?0..?4]) |> ascii_char([?0..?9]),
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ascii_char('1') |> ascii_char([?0..?9]) |> ascii_char([?0..?9]),
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ascii_char([?1..?9]) |> ascii_char([?0..?9]),
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ascii_char([?0..?9])
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])
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|> reduce({List, :to_string, []})
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ipv4_address =
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times(ipv4_octet |> string("."), 3)
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|> concat(ipv4_octet)
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ipv4_prefix =
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ascii_char('/')
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|> choice([
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ascii_char('3') |> ascii_char([?0..?2]),
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ascii_char([?1..?2]) |> ascii_char([?0..?9]),
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ascii_char([?0..?9])
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])
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|> reduce({List, :to_string, []})
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ipv6_hexadectet = ascii_string('0123456789abcdefABCDEF', min: 1, max: 4)
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ipv6_ls32 =
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choice([
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ipv6_hexadectet |> string(":") |> concat(ipv6_hexadectet),
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ipv4_address
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])
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ipv6_fragment = ipv6_hexadectet |> string(":")
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ipv6_address =
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choice([
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times(ipv6_fragment, 6) |> concat(ipv6_ls32),
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string("::") |> times(ipv6_fragment, 5) |> concat(ipv6_ls32),
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ipv6_hexadectet |> string("::") |> times(ipv6_fragment, 4) |> concat(ipv6_ls32),
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string("::") |> times(ipv6_fragment, 4) |> concat(ipv6_ls32),
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times(ipv6_fragment, 1)
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|> concat(ipv6_hexadectet)
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|> string("::")
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|> times(ipv6_fragment, 3)
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|> concat(ipv6_ls32),
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ipv6_hexadectet |> string("::") |> times(ipv6_fragment, 3) |> concat(ipv6_ls32),
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string("::") |> times(ipv6_fragment, 3) |> concat(ipv6_ls32),
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times(ipv6_fragment, 2)
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|> concat(ipv6_hexadectet)
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|> string("::")
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|> times(ipv6_fragment, 2)
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|> concat(ipv6_ls32),
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times(ipv6_fragment, 1)
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|> concat(ipv6_hexadectet)
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|> string("::")
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|> times(ipv6_fragment, 2)
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|> concat(ipv6_ls32),
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ipv6_hexadectet |> string("::") |> times(ipv6_fragment, 2) |> concat(ipv6_ls32),
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string("::") |> times(ipv6_fragment, 2) |> concat(ipv6_ls32),
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times(ipv6_fragment, 3)
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|> concat(ipv6_hexadectet)
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|> string("::")
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|> concat(ipv6_fragment)
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|> concat(ipv6_ls32),
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times(ipv6_fragment, 2)
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|> concat(ipv6_hexadectet)
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|> string("::")
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|> concat(ipv6_fragment)
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|> concat(ipv6_ls32),
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times(ipv6_fragment, 1)
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|> concat(ipv6_hexadectet)
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|> string("::")
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|> concat(ipv6_fragment)
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|> concat(ipv6_ls32),
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ipv6_hexadectet |> string("::") |> concat(ipv6_fragment) |> concat(ipv6_ls32),
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string("::") |> concat(ipv6_fragment) |> concat(ipv6_ls32),
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times(ipv6_fragment, 4) |> concat(ipv6_hexadectet) |> string("::") |> concat(ipv6_ls32),
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times(ipv6_fragment, 3) |> concat(ipv6_hexadectet) |> string("::") |> concat(ipv6_ls32),
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times(ipv6_fragment, 2) |> concat(ipv6_hexadectet) |> string("::") |> concat(ipv6_ls32),
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times(ipv6_fragment, 1) |> concat(ipv6_hexadectet) |> string("::") |> concat(ipv6_ls32),
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ipv6_hexadectet |> string("::") |> concat(ipv6_ls32),
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string("::") |> concat(ipv6_ls32),
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times(ipv6_fragment, 5)
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|> concat(ipv6_hexadectet)
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|> string("::")
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|> concat(ipv6_hexadectet),
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times(ipv6_fragment, 4)
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|> concat(ipv6_hexadectet)
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|> string("::")
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|> concat(ipv6_hexadectet),
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times(ipv6_fragment, 3)
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|> concat(ipv6_hexadectet)
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|> string("::")
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|> concat(ipv6_hexadectet),
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times(ipv6_fragment, 2)
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|> concat(ipv6_hexadectet)
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|> string("::")
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|> concat(ipv6_hexadectet),
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times(ipv6_fragment, 1)
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|> concat(ipv6_hexadectet)
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|> string("::")
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|> concat(ipv6_hexadectet),
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ipv6_hexadectet |> string("::") |> concat(ipv6_hexadectet),
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string("::") |> concat(ipv6_hexadectet),
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times(ipv6_fragment, 6) |> concat(ipv6_hexadectet) |> string("::"),
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times(ipv6_fragment, 5) |> concat(ipv6_hexadectet) |> string("::"),
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times(ipv6_fragment, 4) |> concat(ipv6_hexadectet) |> string("::"),
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times(ipv6_fragment, 3) |> concat(ipv6_hexadectet) |> string("::"),
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times(ipv6_fragment, 2) |> concat(ipv6_hexadectet) |> string("::"),
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times(ipv6_fragment, 1) |> concat(ipv6_hexadectet) |> string("::"),
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ipv6_hexadectet |> string("::"),
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string("::")
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])
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ipv6_prefix =
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ascii_char('/')
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|> choice([
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ascii_char('1') |> ascii_char('2') |> ascii_char([?0..?8]),
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ascii_char('1') |> ascii_char([?0..?1]) |> ascii_char([?0..?9]),
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ascii_char([?1..?9]) |> ascii_char([?0..?9]),
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ascii_char([?0..?9])
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])
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|> reduce({List, :to_string, []})
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space =
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choice([string(" "), string("\t"), string("\n"), string("\r"), string("\v"), string("\f")])
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|> ignore()
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ip =
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choice([
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ipv4_address |> optional(ipv4_prefix),
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ipv6_address |> optional(ipv6_prefix)
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])
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|> reduce({Enum, :join, []})
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|> repeat(space)
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|> unwrap_and_tag(:ip)
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|> eos()
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|> label("a valid IPv4 or IPv6 address and optional CIDR prefix")
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defparsec :parse, ip
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end |