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rate_limiter_test.exs
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rate_limiter_test.exs
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defmodule Pleroma.Plugs.RateLimiterTest do
use ExUnit.Case, async: true
use Plug.Test
alias Pleroma.Plugs.RateLimiter
import Pleroma.Factory
@limiter_name :testing
test "init/1" do
Pleroma.Config.put([:rate_limit, @limiter_name], {1, 1})
assert {@limiter_name, {1, 1}} == RateLimiter.init(@limiter_name)
assert nil == RateLimiter.init(:foo)
end
test "ip/1" do
assert "127.0.0.1" == RateLimiter.ip(%{remote_ip: {127, 0, 0, 1}})
end
test "it restricts by opts" do
scale = 1000
limit = 5
Pleroma.Config.put([:rate_limit, @limiter_name], {scale, limit})
opts = RateLimiter.init(@limiter_name)
conn = conn(:get, "/")
bucket_name = "#{@limiter_name}:#{RateLimiter.ip(conn)}"
conn = RateLimiter.call(conn, opts)
assert {1, 4, _, _, _} = ExRated.inspect_bucket(bucket_name, scale, limit)
conn = RateLimiter.call(conn, opts)
assert {2, 3, _, _, _} = ExRated.inspect_bucket(bucket_name, scale, limit)
conn = RateLimiter.call(conn, opts)
assert {3, 2, _, _, _} = ExRated.inspect_bucket(bucket_name, scale, limit)
conn = RateLimiter.call(conn, opts)
assert {4, 1, _, _, _} = ExRated.inspect_bucket(bucket_name, scale, limit)
conn = RateLimiter.call(conn, opts)
assert {5, 0, to_reset, _, _} = ExRated.inspect_bucket(bucket_name, scale, limit)
conn = RateLimiter.call(conn, opts)
assert %{"error" => "Throttled"} = Phoenix.ConnTest.json_response(conn, :too_many_requests)
assert conn.halted
Process.sleep(to_reset)
conn = conn(:get, "/")
conn = RateLimiter.call(conn, opts)
assert {1, 4, _, _, _} = ExRated.inspect_bucket(bucket_name, scale, limit)
refute conn.status == Plug.Conn.Status.code(:too_many_requests)
refute conn.resp_body
refute conn.halted
end
test "optional limits for authenticated users" do
Ecto.Adapters.SQL.Sandbox.checkout(Pleroma.Repo)
scale = 1000
limit = 5
Pleroma.Config.put([:rate_limit, @limiter_name], [{1, 10}, {scale, limit}])
opts = RateLimiter.init(@limiter_name)
user = insert(:user)
conn = conn(:get, "/") |> assign(:user, user)
bucket_name = "#{@limiter_name}:#{user.id}"
conn = RateLimiter.call(conn, opts)
assert {1, 4, _, _, _} = ExRated.inspect_bucket(bucket_name, scale, limit)
conn = RateLimiter.call(conn, opts)
assert {2, 3, _, _, _} = ExRated.inspect_bucket(bucket_name, scale, limit)
conn = RateLimiter.call(conn, opts)
assert {3, 2, _, _, _} = ExRated.inspect_bucket(bucket_name, scale, limit)
conn = RateLimiter.call(conn, opts)
assert {4, 1, _, _, _} = ExRated.inspect_bucket(bucket_name, scale, limit)
conn = RateLimiter.call(conn, opts)
assert {5, 0, to_reset, _, _} = ExRated.inspect_bucket(bucket_name, scale, limit)
conn = RateLimiter.call(conn, opts)
assert %{"error" => "Throttled"} = Phoenix.ConnTest.json_response(conn, :too_many_requests)
assert conn.halted
Process.sleep(to_reset)
conn = conn(:get, "/") |> assign(:user, user)
conn = RateLimiter.call(conn, opts)
assert {1, 4, _, _, _} = ExRated.inspect_bucket(bucket_name, scale, limit)
refute conn.status == Plug.Conn.Status.code(:too_many_requests)
refute conn.resp_body
refute conn.halted
end
end

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