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diff --git a/lib/pleroma/http/adapter_helper.ex b/lib/pleroma/http/adapter_helper.ex
index 0728cbaa2..d72297323 100644
--- a/lib/pleroma/http/adapter_helper.ex
+++ b/lib/pleroma/http/adapter_helper.ex
@@ -1,125 +1,121 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.HTTP.AdapterHelper do
@moduledoc """
Configure Tesla.Client with default and customized adapter options.
"""
@defaults [pool: :federation]
@type proxy_type() :: :socks4 | :socks5
@type host() :: charlist() | :inet.ip_address()
alias Pleroma.HTTP.AdapterHelper
require Logger
@type proxy ::
{Connection.host(), pos_integer()}
| {Connection.proxy_type(), Connection.host(), pos_integer()}
@callback options(keyword(), URI.t()) :: keyword()
- @callback get_conn(URI.t(), keyword()) :: {:ok, term()} | {:error, term()}
@spec format_proxy(String.t() | tuple() | nil) :: proxy() | nil
def format_proxy(nil), do: nil
def format_proxy(proxy_url) do
case parse_proxy(proxy_url) do
{:ok, host, port} -> {host, port}
{:ok, type, host, port} -> {type, host, port}
_ -> nil
end
end
@spec maybe_add_proxy(keyword(), proxy() | nil) :: keyword()
def maybe_add_proxy(opts, nil), do: opts
def maybe_add_proxy(opts, proxy), do: Keyword.put_new(opts, :proxy, proxy)
@doc """
Merge default connection & adapter options with received ones.
"""
@spec options(URI.t(), keyword()) :: keyword()
def options(%URI{} = uri, opts \\ []) do
@defaults
|> Keyword.merge(opts)
|> adapter_helper().options(uri)
end
- @spec get_conn(URI.t(), keyword()) :: {:ok, keyword()} | {:error, atom()}
- def get_conn(uri, opts), do: adapter_helper().get_conn(uri, opts)
-
defp adapter, do: Application.get_env(:tesla, :adapter)
defp adapter_helper do
case adapter() do
Tesla.Adapter.Gun -> AdapterHelper.Gun
Tesla.Adapter.Hackney -> AdapterHelper.Hackney
_ -> AdapterHelper.Default
end
end
@spec parse_proxy(String.t() | tuple() | nil) ::
{:ok, host(), pos_integer()}
| {:ok, proxy_type(), host(), pos_integer()}
| {:error, atom()}
| nil
def parse_proxy(nil), do: nil
def parse_proxy(proxy) when is_binary(proxy) do
with [host, port] <- String.split(proxy, ":"),
{port, ""} <- Integer.parse(port) do
{:ok, parse_host(host), port}
else
{_, _} ->
Logger.warn("Parsing port failed #{inspect(proxy)}")
{:error, :invalid_proxy_port}
:error ->
Logger.warn("Parsing port failed #{inspect(proxy)}")
{:error, :invalid_proxy_port}
_ ->
Logger.warn("Parsing proxy failed #{inspect(proxy)}")
{:error, :invalid_proxy}
end
end
def parse_proxy(proxy) when is_tuple(proxy) do
with {type, host, port} <- proxy do
{:ok, type, parse_host(host), port}
else
_ ->
Logger.warn("Parsing proxy failed #{inspect(proxy)}")
{:error, :invalid_proxy}
end
end
@spec parse_host(String.t() | atom() | charlist()) :: charlist() | :inet.ip_address()
def parse_host(host) when is_list(host), do: host
def parse_host(host) when is_atom(host), do: to_charlist(host)
def parse_host(host) when is_binary(host) do
host = to_charlist(host)
case :inet.parse_address(host) do
{:error, :einval} -> host
{:ok, ip} -> ip
end
end
@spec format_host(String.t()) :: charlist()
def format_host(host) do
host_charlist = to_charlist(host)
case :inet.parse_address(host_charlist) do
{:error, :einval} ->
:idna.encode(host_charlist)
{:ok, _ip} ->
host_charlist
end
end
end
diff --git a/lib/pleroma/http/adapter_helper/gun.ex b/lib/pleroma/http/adapter_helper/gun.ex
index 02e20f2d1..4a967d8f2 100644
--- a/lib/pleroma/http/adapter_helper/gun.ex
+++ b/lib/pleroma/http/adapter_helper/gun.ex
@@ -1,93 +1,84 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.HTTP.AdapterHelper.Gun do
@behaviour Pleroma.HTTP.AdapterHelper
alias Pleroma.Config
- alias Pleroma.Gun.ConnectionPool
alias Pleroma.HTTP.AdapterHelper
require Logger
@defaults [
connect_timeout: 5_000,
domain_lookup_timeout: 5_000,
tls_handshake_timeout: 5_000,
retry: 1,
retry_timeout: 1000,
await_up_timeout: 5_000
]
@type pool() :: :federation | :upload | :media | :default
@spec options(keyword(), URI.t()) :: keyword()
def options(incoming_opts \\ [], %URI{} = uri) do
proxy =
[:http, :proxy_url]
|> Config.get()
|> AdapterHelper.format_proxy()
config_opts = Config.get([:http, :adapter], [])
@defaults
|> Keyword.merge(config_opts)
|> add_scheme_opts(uri)
|> AdapterHelper.maybe_add_proxy(proxy)
|> Keyword.merge(incoming_opts)
|> put_timeout()
end
defp add_scheme_opts(opts, %{scheme: "http"}), do: opts
defp add_scheme_opts(opts, %{scheme: "https"}) do
Keyword.put(opts, :certificates_verification, true)
end
defp put_timeout(opts) do
# this is the timeout to receive a message from Gun
Keyword.put_new(opts, :timeout, pool_timeout(opts[:pool]))
end
@spec pool_timeout(pool()) :: non_neg_integer()
def pool_timeout(pool) do
default = Config.get([:pools, :default, :timeout], 5_000)
Config.get([:pools, pool, :timeout], default)
end
- @spec get_conn(URI.t(), keyword()) :: {:ok, keyword()} | {:error, atom()}
- def get_conn(uri, opts) do
- case ConnectionPool.get_conn(uri, opts) do
- {:ok, conn_pid} -> {:ok, Keyword.merge(opts, conn: conn_pid, close_conn: false)}
- err -> err
- end
- end
-
@prefix Pleroma.Gun.ConnectionPool
def limiter_setup do
wait = Config.get([:connections_pool, :connection_acquisition_wait])
retries = Config.get([:connections_pool, :connection_acquisition_retries])
:pools
|> Config.get([])
|> Enum.each(fn {name, opts} ->
max_running = Keyword.get(opts, :size, 50)
max_waiting = Keyword.get(opts, :max_waiting, 10)
result =
ConcurrentLimiter.new(:"#{@prefix}.#{name}", max_running, max_waiting,
wait: wait,
max_retries: retries
)
case result do
:ok -> :ok
{:error, :existing} -> :ok
end
end)
:ok
end
end
diff --git a/lib/pleroma/http/adapter_helper/hackney.ex b/lib/pleroma/http/adapter_helper/hackney.ex
index cd569422b..f47a671ad 100644
--- a/lib/pleroma/http/adapter_helper/hackney.ex
+++ b/lib/pleroma/http/adapter_helper/hackney.ex
@@ -1,29 +1,26 @@
defmodule Pleroma.HTTP.AdapterHelper.Hackney do
@behaviour Pleroma.HTTP.AdapterHelper
@defaults [
connect_timeout: 10_000,
recv_timeout: 20_000,
follow_redirect: true,
force_redirect: true,
pool: :federation
]
@spec options(keyword(), URI.t()) :: keyword()
def options(connection_opts \\ [], %URI{} = uri) do
proxy = Pleroma.Config.get([:http, :proxy_url])
config_opts = Pleroma.Config.get([:http, :adapter], [])
@defaults
|> Keyword.merge(config_opts)
|> Keyword.merge(connection_opts)
|> add_scheme_opts(uri)
|> Pleroma.HTTP.AdapterHelper.maybe_add_proxy(proxy)
end
defp add_scheme_opts(opts, _), do: opts
-
- @spec get_conn(URI.t(), keyword()) :: {:ok, keyword()}
- def get_conn(_uri, opts), do: {:ok, opts}
end
diff --git a/lib/pleroma/http/http.ex b/lib/pleroma/http/http.ex
index b37b3fa89..7bc73f4a0 100644
--- a/lib/pleroma/http/http.ex
+++ b/lib/pleroma/http/http.ex
@@ -1,117 +1,110 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 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.AdapterHelper
alias Pleroma.HTTP.Request
alias Pleroma.HTTP.RequestBuilder, as: Builder
alias Tesla.Client
alias Tesla.Env
require Logger
@type t :: __MODULE__
@type method() :: :get | :post | :put | :delete | :head
@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)
@spec head(Request.url(), Request.headers(), keyword()) :: {:ok, Env.t()} | {:error, any()}
def head(url, headers \\ [], options \\ []), do: request(:head, 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, :head
`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(method(), Request.url(), String.t(), Request.headers(), keyword()) ::
{:ok, Env.t()} | {:error, any()}
def request(method, url, body, headers, options) when is_binary(url) do
uri = URI.parse(url)
adapter_opts = AdapterHelper.options(uri, options[:adapter] || [])
- case AdapterHelper.get_conn(uri, adapter_opts) do
- {:ok, adapter_opts} ->
- options = put_in(options[:adapter], adapter_opts)
- params = options[:params] || []
- request = build_request(method, headers, options, url, body, params)
-
- adapter = Application.get_env(:tesla, :adapter)
-
- client = Tesla.client(adapter_middlewares(adapter), adapter)
-
- maybe_limit(
- fn ->
- request(client, request)
- end,
- adapter,
- adapter_opts
- )
-
- # Connection release is handled in a custom FollowRedirects middleware
- err ->
- err
- end
+ options = put_in(options[:adapter], adapter_opts)
+ params = options[:params] || []
+ request = build_request(method, headers, options, url, body, params)
+
+ adapter = Application.get_env(:tesla, :adapter)
+
+ client = Tesla.client(adapter_middlewares(adapter), adapter)
+
+ maybe_limit(
+ fn ->
+ request(client, request)
+ end,
+ adapter,
+ adapter_opts
+ )
end
@spec request(Client.t(), keyword()) :: {:ok, Env.t()} | {:error, any()}
def request(client, request), do: Tesla.request(client, request)
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
@prefix Pleroma.Gun.ConnectionPool
defp maybe_limit(fun, Tesla.Adapter.Gun, opts) do
ConcurrentLimiter.limit(:"#{@prefix}.#{opts[:pool] || :default}", fun)
end
defp maybe_limit(fun, _, _) do
fun.()
end
defp adapter_middlewares(Tesla.Adapter.Gun) do
- [Pleroma.HTTP.Middleware.FollowRedirects]
+ [Tesla.Middleware.FollowRedirects, Pleroma.Tesla.Middleware.ConnectionPool]
end
defp adapter_middlewares(_), do: []
end
diff --git a/lib/pleroma/tesla/middleware/connection_pool.ex b/lib/pleroma/tesla/middleware/connection_pool.ex
new file mode 100644
index 000000000..a435ab4cc
--- /dev/null
+++ b/lib/pleroma/tesla/middleware/connection_pool.ex
@@ -0,0 +1,35 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Tesla.Middleware.ConnectionPool do
+ @moduledoc """
+ Middleware to get/release connections from `Pleroma.Gun.ConnectionPool`
+ """
+
+ @behaviour Tesla.Middleware
+
+ alias Pleroma.Gun.ConnectionPool
+
+ @impl Tesla.Middleware
+ def call(%Tesla.Env{url: url, opts: opts} = env, next, _) do
+ uri = URI.parse(url)
+
+ case ConnectionPool.get_conn(uri, opts[:adapter]) do
+ {:ok, conn_pid} ->
+ adapter_opts = Keyword.merge(opts[:adapter], conn: conn_pid, close_conn: false)
+ opts = Keyword.put(opts, :adapter, adapter_opts)
+ env = %{env | opts: opts}
+ res = Tesla.run(env, next)
+
+ unless opts[:adapter][:body_as] == :chunks do
+ ConnectionPool.release_conn(conn_pid)
+ end
+
+ res
+
+ err ->
+ err
+ end
+ end
+end
diff --git a/lib/pleroma/tesla/middleware/follow_redirects.ex b/lib/pleroma/tesla/middleware/follow_redirects.ex
deleted file mode 100644
index 5a7032215..000000000
--- a/lib/pleroma/tesla/middleware/follow_redirects.ex
+++ /dev/null
@@ -1,110 +0,0 @@
-# Pleroma: A lightweight social networking server
-# Copyright © 2015-2020 Tymon Tobolski <https://github.com/teamon/tesla/blob/master/lib/tesla/middleware/follow_redirects.ex>
-# Copyright © 2020 Pleroma Authors <https://pleroma.social/>
-# SPDX-License-Identifier: AGPL-3.0-only
-
-defmodule Pleroma.HTTP.Middleware.FollowRedirects do
- @moduledoc """
- Pool-aware version of https://github.com/teamon/tesla/blob/master/lib/tesla/middleware/follow_redirects.ex
-
- Follow 3xx redirects
- ## Options
- - `:max_redirects` - limit number of redirects (default: `5`)
- """
-
- alias Pleroma.Gun.ConnectionPool
-
- @behaviour Tesla.Middleware
-
- @max_redirects 5
- @redirect_statuses [301, 302, 303, 307, 308]
-
- @impl Tesla.Middleware
- def call(env, next, opts \\ []) do
- max = Keyword.get(opts, :max_redirects, @max_redirects)
-
- redirect(env, next, max)
- end
-
- defp redirect(env, next, left) do
- opts = env.opts[:adapter]
-
- case Tesla.run(env, next) do
- {:ok, %{status: status} = res} when status in @redirect_statuses and left > 0 ->
- release_conn(opts)
-
- case Tesla.get_header(res, "location") do
- nil ->
- {:ok, res}
-
- location ->
- location = parse_location(location, res)
-
- case get_conn(location, opts) do
- {:ok, opts} ->
- %{env | opts: Keyword.put(env.opts, :adapter, opts)}
- |> new_request(res.status, location)
- |> redirect(next, left - 1)
-
- e ->
- e
- end
- end
-
- {:ok, %{status: status}} when status in @redirect_statuses ->
- release_conn(opts)
- {:error, {__MODULE__, :too_many_redirects}}
-
- {:error, _} = e ->
- release_conn(opts)
- e
-
- other ->
- unless opts[:body_as] == :chunks do
- release_conn(opts)
- end
-
- other
- end
- end
-
- defp get_conn(location, opts) do
- uri = URI.parse(location)
-
- case ConnectionPool.get_conn(uri, opts) do
- {:ok, conn} ->
- {:ok, Keyword.merge(opts, conn: conn)}
-
- e ->
- e
- end
- end
-
- defp release_conn(opts) do
- ConnectionPool.release_conn(opts[:conn])
- end
-
- # The 303 (See Other) redirect was added in HTTP/1.1 to indicate that the originally
- # requested resource is not available, however a related resource (or another redirect)
- # available via GET is available at the specified location.
- # https://tools.ietf.org/html/rfc7231#section-6.4.4
- defp new_request(env, 303, location), do: %{env | url: location, method: :get, query: []}
-
- # The 307 (Temporary Redirect) status code indicates that the target
- # resource resides temporarily under a different URI and the user agent
- # MUST NOT change the request method (...)
- # https://tools.ietf.org/html/rfc7231#section-6.4.7
- defp new_request(env, 307, location), do: %{env | url: location}
-
- defp new_request(env, _, location), do: %{env | url: location, query: []}
-
- defp parse_location("https://" <> _rest = location, _env), do: location
- defp parse_location("http://" <> _rest = location, _env), do: location
-
- defp parse_location(location, env) do
- env.url
- |> URI.parse()
- |> URI.merge(location)
- |> URI.to_string()
- end
-end

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