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Runtime configurability of RateLimiter. Refactoring. Disabled default rate limits in tests.

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Ivan Tashkinov 2020-02-27 18:46:05 +03:00
commit 6f2efb1c45
6 changed files with 217 additions and 185 deletions
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153
test/plugs/rate_limiter_test.exs
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@ -6,69 +6,79 @@ defmodule Pleroma.Plugs.RateLimiterTest do
use ExUnit.Case, async: true
use Plug.Test
alias Pleroma.Config
alias Pleroma.Plugs.RateLimiter
import Pleroma.Factory
import Pleroma.Tests.Helpers, only: [clear_config: 1, clear_config: 2]
# Note: each example must work with separate buckets in order to prevent concurrency issues
clear_config([Pleroma.Web.Endpoint, :http, :ip])
clear_config(:rate_limit)
describe "config" do
@limiter_name :test_init
clear_config([Pleroma.Plugs.RemoteIp, :enabled])
test "config is required for plug to work" do
limiter_name = :test_init
Pleroma.Config.put([:rate_limit, limiter_name], {1, 1})
Pleroma.Config.put([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
Config.put([:rate_limit, @limiter_name], {1, 1})
Config.put([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
assert %{limits: {1, 1}, name: :test_init, opts: [name: :test_init]} ==
RateLimiter.init(name: limiter_name)
[name: @limiter_name]
|> RateLimiter.init()
|> RateLimiter.action_settings()
assert nil == RateLimiter.init(name: :foo)
assert nil ==
[name: :nonexisting_limiter]
|> RateLimiter.init()
|> RateLimiter.action_settings()
end
test "it is disabled for localhost" do
limiter_name = :test_init
Pleroma.Config.put([:rate_limit, limiter_name], {1, 1})
Pleroma.Config.put([Pleroma.Web.Endpoint, :http, :ip], {127, 0, 0, 1})
Pleroma.Config.put([Pleroma.Plugs.RemoteIp, :enabled], false)
Config.put([:rate_limit, @limiter_name], {1, 1})
Config.put([Pleroma.Web.Endpoint, :http, :ip], {127, 0, 0, 1})
Config.put([Pleroma.Plugs.RemoteIp, :enabled], false)
assert RateLimiter.disabled?() == true
end
test "it is disabled for socket" do
limiter_name = :test_init
Pleroma.Config.put([:rate_limit, limiter_name], {1, 1})
Pleroma.Config.put([Pleroma.Web.Endpoint, :http, :ip], {:local, "/path/to/pleroma.sock"})
Pleroma.Config.put([Pleroma.Plugs.RemoteIp, :enabled], false)
Config.put([:rate_limit, @limiter_name], {1, 1})
Config.put([Pleroma.Web.Endpoint, :http, :ip], {:local, "/path/to/pleroma.sock"})
Config.put([Pleroma.Plugs.RemoteIp, :enabled], false)
assert RateLimiter.disabled?() == true
end
test "it is enabled for socket when remote ip is enabled" do
limiter_name = :test_init
Pleroma.Config.put([:rate_limit, limiter_name], {1, 1})
Pleroma.Config.put([Pleroma.Web.Endpoint, :http, :ip], {:local, "/path/to/pleroma.sock"})
Pleroma.Config.put([Pleroma.Plugs.RemoteIp, :enabled], true)
Config.put([:rate_limit, @limiter_name], {1, 1})
Config.put([Pleroma.Web.Endpoint, :http, :ip], {:local, "/path/to/pleroma.sock"})
Config.put([Pleroma.Plugs.RemoteIp, :enabled], true)
assert RateLimiter.disabled?() == false
end
test "it restricts based on config values" do
limiter_name = :test_opts
limiter_name = :test_plug_opts
scale = 80
limit = 5
Pleroma.Config.put([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
Pleroma.Config.put([:rate_limit, limiter_name], {scale, limit})
Config.put([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
Config.put([:rate_limit, limiter_name], {scale, limit})
opts = RateLimiter.init(name: limiter_name)
plug_opts = RateLimiter.init(name: limiter_name)
conn = conn(:get, "/")
for i <- 1..5 do
conn = RateLimiter.call(conn, opts)
assert {^i, _} = RateLimiter.inspect_bucket(conn, limiter_name, opts)
conn = RateLimiter.call(conn, plug_opts)
assert {^i, _} = RateLimiter.inspect_bucket(conn, limiter_name, plug_opts)
Process.sleep(10)
end
conn = RateLimiter.call(conn, opts)
conn = RateLimiter.call(conn, plug_opts)
assert %{"error" => "Throttled"} = Phoenix.ConnTest.json_response(conn, :too_many_requests)
assert conn.halted
@ -76,8 +86,8 @@ defmodule Pleroma.Plugs.RateLimiterTest do
conn = conn(:get, "/")
conn = RateLimiter.call(conn, opts)
assert {1, 4} = RateLimiter.inspect_bucket(conn, limiter_name, opts)
conn = RateLimiter.call(conn, plug_opts)
assert {1, 4} = RateLimiter.inspect_bucket(conn, limiter_name, plug_opts)
refute conn.status == Plug.Conn.Status.code(:too_many_requests)
refute conn.resp_body
@ -89,78 +99,81 @@ defmodule Pleroma.Plugs.RateLimiterTest do
test "`bucket_name` option overrides default bucket name" do
limiter_name = :test_bucket_name
Pleroma.Config.put([:rate_limit, limiter_name], {1000, 5})
Pleroma.Config.put([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
Config.put([:rate_limit, limiter_name], {1000, 5})
Config.put([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
base_bucket_name = "#{limiter_name}:group1"
opts = RateLimiter.init(name: limiter_name, bucket_name: base_bucket_name)
plug_opts = RateLimiter.init(name: limiter_name, bucket_name: base_bucket_name)
conn = conn(:get, "/")
RateLimiter.call(conn, opts)
assert {1, 4} = RateLimiter.inspect_bucket(conn, base_bucket_name, opts)
assert {:err, :not_found} = RateLimiter.inspect_bucket(conn, limiter_name, opts)
RateLimiter.call(conn, plug_opts)
assert {1, 4} = RateLimiter.inspect_bucket(conn, base_bucket_name, plug_opts)
assert {:err, :not_found} = RateLimiter.inspect_bucket(conn, limiter_name, plug_opts)
end
test "`params` option allows different queries to be tracked independently" do
limiter_name = :test_params
Pleroma.Config.put([:rate_limit, limiter_name], {1000, 5})
Pleroma.Config.put([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
Config.put([:rate_limit, limiter_name], {1000, 5})
Config.put([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
opts = RateLimiter.init(name: limiter_name, params: ["id"])
plug_opts = RateLimiter.init(name: limiter_name, params: ["id"])
conn = conn(:get, "/?id=1")
conn = Plug.Conn.fetch_query_params(conn)
conn_2 = conn(:get, "/?id=2")
RateLimiter.call(conn, opts)
assert {1, 4} = RateLimiter.inspect_bucket(conn, limiter_name, opts)
assert {0, 5} = RateLimiter.inspect_bucket(conn_2, limiter_name, opts)
RateLimiter.call(conn, plug_opts)
assert {1, 4} = RateLimiter.inspect_bucket(conn, limiter_name, plug_opts)
assert {0, 5} = RateLimiter.inspect_bucket(conn_2, limiter_name, plug_opts)
end
test "it supports combination of options modifying bucket name" do
limiter_name = :test_options_combo
Pleroma.Config.put([:rate_limit, limiter_name], {1000, 5})
Pleroma.Config.put([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
Config.put([:rate_limit, limiter_name], {1000, 5})
Config.put([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
base_bucket_name = "#{limiter_name}:group1"
opts = RateLimiter.init(name: limiter_name, bucket_name: base_bucket_name, params: ["id"])
plug_opts =
RateLimiter.init(name: limiter_name, bucket_name: base_bucket_name, params: ["id"])
id = "100"
conn = conn(:get, "/?id=#{id}")
conn = Plug.Conn.fetch_query_params(conn)
conn_2 = conn(:get, "/?id=#{101}")
RateLimiter.call(conn, opts)
assert {1, 4} = RateLimiter.inspect_bucket(conn, base_bucket_name, opts)
assert {0, 5} = RateLimiter.inspect_bucket(conn_2, base_bucket_name, opts)
RateLimiter.call(conn, plug_opts)
assert {1, 4} = RateLimiter.inspect_bucket(conn, base_bucket_name, plug_opts)
assert {0, 5} = RateLimiter.inspect_bucket(conn_2, base_bucket_name, plug_opts)
end
end
describe "unauthenticated users" do
test "are restricted based on remote IP" do
limiter_name = :test_unauthenticated
Pleroma.Config.put([:rate_limit, limiter_name], [{1000, 5}, {1, 10}])
Pleroma.Config.put([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
Config.put([:rate_limit, limiter_name], [{1000, 5}, {1, 10}])
Config.put([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
opts = RateLimiter.init(name: limiter_name)
plug_opts = RateLimiter.init(name: limiter_name)
conn = %{conn(:get, "/") | remote_ip: {127, 0, 0, 2}}
conn_2 = %{conn(:get, "/") | remote_ip: {127, 0, 0, 3}}
for i <- 1..5 do
conn = RateLimiter.call(conn, opts)
assert {^i, _} = RateLimiter.inspect_bucket(conn, limiter_name, opts)
conn = RateLimiter.call(conn, plug_opts)
assert {^i, _} = RateLimiter.inspect_bucket(conn, limiter_name, plug_opts)
refute conn.halted
end
conn = RateLimiter.call(conn, opts)
conn = RateLimiter.call(conn, plug_opts)
assert %{"error" => "Throttled"} = Phoenix.ConnTest.json_response(conn, :too_many_requests)
assert conn.halted
conn_2 = RateLimiter.call(conn_2, opts)
assert {1, 4} = RateLimiter.inspect_bucket(conn_2, limiter_name, opts)
conn_2 = RateLimiter.call(conn_2, plug_opts)
assert {1, 4} = RateLimiter.inspect_bucket(conn_2, limiter_name, plug_opts)
refute conn_2.status == Plug.Conn.Status.code(:too_many_requests)
refute conn_2.resp_body
@ -175,37 +188,37 @@ defmodule Pleroma.Plugs.RateLimiterTest do
:ok
end
test "can have limits seperate from unauthenticated connections" do
limiter_name = :test_authenticated
test "can have limits separate from unauthenticated connections" do
limiter_name = :test_authenticated1
scale = 50
limit = 5
Pleroma.Config.put([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
Pleroma.Config.put([:rate_limit, limiter_name], [{1000, 1}, {scale, limit}])
Config.put([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
Config.put([:rate_limit, limiter_name], [{1000, 1}, {scale, limit}])
opts = RateLimiter.init(name: limiter_name)
plug_opts = RateLimiter.init(name: limiter_name)
user = insert(:user)
conn = conn(:get, "/") |> assign(:user, user)
for i <- 1..5 do
conn = RateLimiter.call(conn, opts)
assert {^i, _} = RateLimiter.inspect_bucket(conn, limiter_name, opts)
conn = RateLimiter.call(conn, plug_opts)
assert {^i, _} = RateLimiter.inspect_bucket(conn, limiter_name, plug_opts)
refute conn.halted
end
conn = RateLimiter.call(conn, opts)
conn = RateLimiter.call(conn, plug_opts)
assert %{"error" => "Throttled"} = Phoenix.ConnTest.json_response(conn, :too_many_requests)
assert conn.halted
end
test "diffrerent users are counted independently" do
limiter_name = :test_authenticated
Pleroma.Config.put([:rate_limit, limiter_name], [{1, 10}, {1000, 5}])
Pleroma.Config.put([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
test "different users are counted independently" do
limiter_name = :test_authenticated2
Config.put([:rate_limit, limiter_name], [{1, 10}, {1000, 5}])
Config.put([Pleroma.Web.Endpoint, :http, :ip], {8, 8, 8, 8})
opts = RateLimiter.init(name: limiter_name)
plug_opts = RateLimiter.init(name: limiter_name)
user = insert(:user)
conn = conn(:get, "/") |> assign(:user, user)
@ -214,16 +227,16 @@ defmodule Pleroma.Plugs.RateLimiterTest do
conn_2 = conn(:get, "/") |> assign(:user, user_2)
for i <- 1..5 do
conn = RateLimiter.call(conn, opts)
assert {^i, _} = RateLimiter.inspect_bucket(conn, limiter_name, opts)
conn = RateLimiter.call(conn, plug_opts)
assert {^i, _} = RateLimiter.inspect_bucket(conn, limiter_name, plug_opts)
end
conn = RateLimiter.call(conn, opts)
conn = RateLimiter.call(conn, plug_opts)
assert %{"error" => "Throttled"} = Phoenix.ConnTest.json_response(conn, :too_many_requests)
assert conn.halted
conn_2 = RateLimiter.call(conn_2, opts)
assert {1, 4} = RateLimiter.inspect_bucket(conn_2, limiter_name, opts)
conn_2 = RateLimiter.call(conn_2, plug_opts)
assert {1, 4} = RateLimiter.inspect_bucket(conn_2, limiter_name, plug_opts)
refute conn_2.status == Plug.Conn.Status.code(:too_many_requests)
refute conn_2.resp_body
refute conn_2.halted