53 lines
1.2 KiB
Elixir
53 lines
1.2 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2025 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Tesla.Middleware.EncodeUrl do
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@moduledoc """
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Middleware to encode URLs properly
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We must decode and then re-encode to ensure correct encoding.
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If we only encode it will re-encode each % as %25 causing a space
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already encoded as %20 to be %2520.
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Similar problem for query parameters which need spaces to be the + character
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"""
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@behaviour Tesla.Middleware
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@impl Tesla.Middleware
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def call(%Tesla.Env{url: url} = env, next, _) do
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url =
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URI.parse(url)
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|> then(fn parsed ->
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path = encode_path(parsed.path)
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query = encode_query(parsed.query)
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%{parsed | path: path, query: query}
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end)
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|> URI.to_string()
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env = %{env | url: url}
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case Tesla.run(env, next) do
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{:ok, env} -> {:ok, env}
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err -> err
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end
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end
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defp encode_path(nil), do: nil
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defp encode_path(path) when is_binary(path) do
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path
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|> URI.decode()
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|> URI.encode()
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end
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defp encode_query(nil), do: nil
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defp encode_query(query) when is_binary(query) do
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query
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|> URI.decode_query()
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|> URI.encode_query()
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end
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end
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