149 lines
4.1 KiB
Elixir
149 lines
4.1 KiB
Elixir
# Pleroma: A lightweight social networking server
|
|
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
|
|
# SPDX-License-Identifier: AGPL-3.0-only
|
|
|
|
defmodule Pleroma.HTTP do
|
|
@moduledoc """
|
|
Wrapper for `Tesla.request/2`.
|
|
"""
|
|
|
|
alias Pleroma.HTTP.Connection
|
|
alias Pleroma.HTTP.Request
|
|
alias Pleroma.HTTP.RequestBuilder, as: Builder
|
|
alias Tesla.Client
|
|
alias Tesla.Env
|
|
|
|
require Logger
|
|
|
|
@type t :: __MODULE__
|
|
|
|
@doc """
|
|
Performs GET request.
|
|
|
|
See `Pleroma.HTTP.request/5`
|
|
"""
|
|
@spec get(Request.url() | nil, Request.headers(), keyword()) ::
|
|
nil | {:ok, Env.t()} | {:error, any()}
|
|
def get(url, headers \\ [], options \\ [])
|
|
def get(nil, _, _), do: nil
|
|
def get(url, headers, options), do: request(:get, url, "", headers, options)
|
|
|
|
@doc """
|
|
Performs POST request.
|
|
|
|
See `Pleroma.HTTP.request/5`
|
|
"""
|
|
@spec post(Request.url(), String.t(), Request.headers(), keyword()) ::
|
|
{:ok, Env.t()} | {:error, any()}
|
|
def post(url, body, headers \\ [], options \\ []),
|
|
do: request(:post, url, body, headers, options)
|
|
|
|
@doc """
|
|
Builds and performs http request.
|
|
|
|
# Arguments:
|
|
`method` - :get, :post, :put, :delete
|
|
`url` - full url
|
|
`body` - request body
|
|
`headers` - a keyworld list of headers, e.g. `[{"content-type", "text/plain"}]`
|
|
`options` - custom, per-request middleware or adapter options
|
|
|
|
# Returns:
|
|
`{:ok, %Tesla.Env{}}` or `{:error, error}`
|
|
|
|
"""
|
|
@spec request(atom(), Request.url(), String.t(), Request.headers(), keyword()) ::
|
|
{:ok, Env.t()} | {:error, any()}
|
|
def request(method, url, body, headers, options) when is_binary(url) do
|
|
with uri <- URI.parse(url),
|
|
received_adapter_opts <- Keyword.get(options, :adapter, []),
|
|
adapter_opts <- Connection.options(uri, received_adapter_opts),
|
|
options <- put_in(options[:adapter], adapter_opts),
|
|
params <- Keyword.get(options, :params, []),
|
|
request <- build_request(method, headers, options, url, body, params),
|
|
client <- Tesla.client([Tesla.Middleware.FollowRedirects], tesla_adapter()),
|
|
pid <- Process.whereis(adapter_opts[:pool]) do
|
|
pool_alive? =
|
|
if tesla_adapter() == Tesla.Adapter.Gun do
|
|
if pid, do: Process.alive?(pid), else: false
|
|
else
|
|
false
|
|
end
|
|
|
|
request_opts =
|
|
adapter_opts
|
|
|> Enum.into(%{})
|
|
|> Map.put(:env, Pleroma.Config.get([:env]))
|
|
|> Map.put(:pool_alive?, pool_alive?)
|
|
|
|
response =
|
|
request(
|
|
client,
|
|
request,
|
|
request_opts
|
|
)
|
|
|
|
Connection.after_request(adapter_opts)
|
|
|
|
response
|
|
end
|
|
end
|
|
|
|
@spec request(Client.t(), keyword(), map()) :: {:ok, Env.t()} | {:error, any()}
|
|
def request(%Client{} = client, request, %{env: :test}), do: request_try(client, request)
|
|
|
|
def request(%Client{} = client, request, %{body_as: :chunks}) do
|
|
request_try(client, request)
|
|
end
|
|
|
|
def request(%Client{} = client, request, %{pool_alive?: false}) do
|
|
request_try(client, request)
|
|
end
|
|
|
|
def request(%Client{} = client, request, %{pool: pool, timeout: timeout}) do
|
|
try do
|
|
:poolboy.transaction(
|
|
pool,
|
|
&Pleroma.Pool.Request.execute(&1, client, request, timeout + 500),
|
|
timeout + 1_000
|
|
)
|
|
rescue
|
|
e ->
|
|
{:error, e}
|
|
catch
|
|
:exit, {:timeout, _} ->
|
|
Logger.warn("Receive response from pool failed #{request[:url]}")
|
|
{:error, :recv_pool_timeout}
|
|
|
|
:exit, e ->
|
|
{:error, e}
|
|
end
|
|
end
|
|
|
|
@spec request_try(Client.t(), keyword()) :: {:ok, Env.t()} | {:error, any()}
|
|
def request_try(client, request) do
|
|
try do
|
|
Tesla.request(client, request)
|
|
rescue
|
|
e ->
|
|
{:error, e}
|
|
catch
|
|
:exit, e ->
|
|
{:error, e}
|
|
end
|
|
end
|
|
|
|
defp build_request(method, headers, options, url, body, params) do
|
|
Builder.new()
|
|
|> Builder.method(method)
|
|
|> Builder.headers(headers)
|
|
|> Builder.opts(options)
|
|
|> Builder.url(url)
|
|
|> Builder.add_param(:body, :body, body)
|
|
|> Builder.add_param(:query, :query, params)
|
|
|> Builder.convert_to_keyword()
|
|
end
|
|
|
|
defp tesla_adapter, do: Application.get_env(:tesla, :adapter)
|
|
end
|