35 lines
1016 B
Elixir
35 lines
1016 B
Elixir
defmodule Frenzy.HTTP do
|
|
require Logger
|
|
@redirect_codes [301, 302]
|
|
|
|
# @spec get(url :: String.t()) :: {:ok, HTTPoison.Response.t()} | {:error, String.()}
|
|
def get(url) do
|
|
case HTTPoison.get(url) do
|
|
{:ok, %HTTPoison.Response{status_code: 200} = response} ->
|
|
{:ok, response}
|
|
|
|
{:ok, %HTTPoison.Response{status_code: status_code, headers: headers}}
|
|
when status_code in @redirect_codes ->
|
|
headers
|
|
|> Enum.find(fn {name, _value} -> name == "Location" end)
|
|
|> case do
|
|
{"Location", new_url} ->
|
|
Logger.debug("Got 301 redirect from #{url} to #{new_url}")
|
|
get(new_url)
|
|
|
|
_ ->
|
|
{:error, "Missing Location header for redirect"}
|
|
end
|
|
|
|
{:ok, %HTTPoison.Response{status_code: 403}} ->
|
|
{:error, "403 Forbidden"}
|
|
|
|
{:ok, %HTTPoison.Response{status_code: 404}} ->
|
|
{:error, "404 Not Found"}
|
|
|
|
{:error, %HTTPoison.Error{reason: reason}} ->
|
|
{:error, reason}
|
|
end
|
|
end
|
|
end
|