Merge branch 'fix/reverse-proxy-no-body-connection-leak' into 'develop'

ReverseProxy: Fix a gun connection leak when there is an error with no body

See merge request pleroma/pleroma!2798
This commit is contained in:
Haelwenn 2020-07-27 08:20:46 +00:00
commit 64b21cee14
2 changed files with 10 additions and 11 deletions

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@ -5,6 +5,8 @@
defmodule Pleroma.ReverseProxy.Client.Tesla do defmodule Pleroma.ReverseProxy.Client.Tesla do
@behaviour Pleroma.ReverseProxy.Client @behaviour Pleroma.ReverseProxy.Client
alias Pleroma.Gun.ConnectionPool
@type headers() :: [{String.t(), String.t()}] @type headers() :: [{String.t(), String.t()}]
@type status() :: pos_integer() @type status() :: pos_integer()
@ -31,6 +33,8 @@ def request(method, url, headers, body, opts \\ []) do
if is_map(response.body) and method != :head do if is_map(response.body) and method != :head do
{:ok, response.status, response.headers, response.body} {:ok, response.status, response.headers, response.body}
else else
conn_pid = response.opts[:adapter][:conn]
ConnectionPool.release_conn(conn_pid)
{:ok, response.status, response.headers} {:ok, response.status, response.headers}
end end
else else
@ -41,15 +45,8 @@ def request(method, url, headers, body, opts \\ []) do
@impl true @impl true
@spec stream_body(map()) :: @spec stream_body(map()) ::
{:ok, binary(), map()} | {:error, atom() | String.t()} | :done | no_return() {:ok, binary(), map()} | {:error, atom() | String.t()} | :done | no_return()
def stream_body(%{pid: pid, opts: opts, fin: true}) do def stream_body(%{pid: pid, fin: true}) do
# if connection was reused, but in tesla were redirects, ConnectionPool.release_conn(pid)
# tesla returns new opened connection, which must be closed manually
if opts[:old_conn], do: Tesla.Adapter.Gun.close(pid)
# if there were redirects we need to checkout old conn
conn = opts[:old_conn] || opts[:conn]
if conn, do: :ok = Pleroma.Gun.ConnectionPool.release_conn(conn)
:done :done
end end
@ -74,8 +71,7 @@ defp read_chunk!(%{pid: pid, stream: stream, opts: opts}) do
@impl true @impl true
@spec close(map) :: :ok | no_return() @spec close(map) :: :ok | no_return()
def close(%{pid: pid}) do def close(%{pid: pid}) do
adapter = check_adapter() ConnectionPool.release_conn(pid)
adapter.close(pid)
end end
defp check_adapter do defp check_adapter do

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@ -165,6 +165,9 @@ defp request(method, url, headers, opts) do
{:ok, code, _, _} -> {:ok, code, _, _} ->
{:error, {:invalid_http_response, code}} {:error, {:invalid_http_response, code}}
{:ok, code, _} ->
{:error, {:invalid_http_response, code}}
{:error, error} -> {:error, error} ->
{:error, error} {:error, error}
end end