Pim Kunis
38af22fea6
Add signing server to perform signing Add enacl library to perform ed25519 crypto
57 lines
1.4 KiB
Elixir
57 lines
1.4 KiB
Elixir
defmodule MatrixServer do
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def get_mxid(localpart) when is_binary(localpart) do
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"@#{localpart}:#{server_name()}"
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end
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def server_name do
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Application.get_env(:matrix_server, :server_name)
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end
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def maybe_update_map(map, old_key, new_key) do
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maybe_update_map(map, old_key, new_key, &Function.identity/1)
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end
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def maybe_update_map(map, old_key, new_key, fun) when is_map_key(map, old_key) do
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value = Map.fetch!(map, old_key)
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map
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|> Map.put(new_key, fun.(value))
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|> Map.delete(old_key)
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end
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def maybe_update_map(map, _, _, _), do: map
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def localpart_regex, do: ~r/^([a-z0-9\._=\/])+$/
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@alphabet Enum.into(?a..?z, []) ++ Enum.into(?A..?Z, [])
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def random_string(length), do: random_string(length, @alphabet)
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def random_string(length, alphabet) when length >= 1 do
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for _ <- 1..length, into: "", do: <<Enum.random(alphabet)>>
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end
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def default_room_version, do: "7"
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def get_domain(id) do
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case String.split(id, ":") do
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[_, server_name] -> server_name
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_ -> nil
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end
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end
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# https://elixirforum.com/t/22709/9
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def has_duplicates?(list) do
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list
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|> Enum.reduce_while(%MapSet{}, fn x, acc ->
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if MapSet.member?(acc, x), do: {:halt, false}, else: {:cont, MapSet.put(acc, x)}
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end)
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|> is_boolean()
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end
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# https://matrix.org/docs/spec/appendices#unpadded-base64
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def encode_unpadded_base64(data) do
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data
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|> Base.encode64()
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|> String.trim_trailing("=")
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end
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end
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