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0.1.0
HTTP client library, with support for middleware and multiple adapters.
Security advisory:
This version has known vulnerabilities.
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lib/tesla/middleware/form_urlencoded.ex
defmodule Tesla.Middleware.FormUrlencoded do
@behaviour Tesla.Middleware
@moduledoc """
Send request body as application/x-www-form-urlencoded
Longer description, including e.g. additional dependencies.
### Example usage
```
defmodule Myclient do
use Tesla
plug Tesla.Middleware.FormUrlencoded
end
Myclient.post("/url", %{key: :value})
```
"""
def call(env, next, opts) do
opts = opts || []
env
|> encode(opts)
|> Tesla.run(next)
end
defp encode(env, opts) do
if encodable?(env) do
env
|> Map.update!(:body, &encode_body(&1, opts))
|> Tesla.Middleware.Headers.call([], %{"content-type" => "application/x-www-form-urlencoded"})
else
env
end
end
defp encode_body(body, _opts) when is_binary(body), do: body
defp encode_body(body, _opts), do: do_process(body)
defp encodable?(%{body: nil}), do: false
defp encodable?(%{body: %Tesla.Multipart{}}), do: false
defp encodable?(_), do: true
defp do_process(data) do
URI.encode_query(data)
end
end