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timeline controller: rate limit timelines to 3 requests per 500ms per timeline per ip/user

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rinpatch 2020-02-28 17:44:59 +03:00
parent 4d416343fa
commit ffcebe7e22
4 changed files with 19 additions and 0 deletions
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1
config/config.exs
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@ -599,6 +599,7 @@ config :http_signatures,
config :pleroma, :rate_limit,
authentication: {60_000, 15},
timeline: {500, 3},
search: [{1000, 10}, {1000, 30}],
app_account_creation: {1_800_000, 25},
relations_actions: {10_000, 10},

6
config/description.exs
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@ -2465,6 +2465,12 @@ config :pleroma, :config_description, [
description: "For the search requests (account & status search etc.)",
suggestions: [{1000, 10}, [{10_000, 10}, {10_000, 50}]]
},
%{
key: :timeline,
type: [:tuple, {:list, :tuple}],
description: "For requests to timelines (each timeline has it's own limiter)",
suggestions: [{1000, 10}, [{10_000, 10}, {10_000, 50}]]
},
%{
key: :app_account_creation,
type: [:tuple, {:list, :tuple}],

1
docs/configuration/cheatsheet.md
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@ -343,6 +343,7 @@ Means that:
Supported rate limiters:
* `:search` - Account/Status search.
* `:timeline` - Timeline requests (each timeline has it's own limiter).
* `:app_account_creation` - Account registration from the API.
* `:relations_actions` - Following/Unfollowing in general.
* `:relation_id_action` - Following/Unfollowing for a specific user.

11
lib/pleroma/web/mastodon_api/controllers/timeline_controller.ex
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@ -10,9 +10,20 @@ defmodule Pleroma.Web.MastodonAPI.TimelineController do
alias Pleroma.Pagination
alias Pleroma.Plugs.OAuthScopesPlug
alias Pleroma.Plugs.RateLimiter
alias Pleroma.User
alias Pleroma.Web.ActivityPub.ActivityPub
# XXX: Ideally these would be generated instead of copypasted,
# but I haven't been able to overcome an issue with guards when
# trying to generate these.
# See: https://elixirforum.com/t/trouble-plugging-plugs-with-generated-options-in-guards-in-a-phoenix-controller/29465
plug(RateLimiter, [name: :timeline, bucket_name: :direct_timeline] when action == :direct)
plug(RateLimiter, [name: :timeline, bucket_name: :public_timeline] when action == :public)
plug(RateLimiter, [name: :timeline, bucket_name: :home_timeline] when action == :home)
plug(RateLimiter, [name: :timeline, bucket_name: :hashtag_timeline] when action == :hashtag)
plug(RateLimiter, [name: :timeline, bucket_name: :list_timeline] when action == :list)
plug(OAuthScopesPlug, %{scopes: ["read:statuses"]} when action in [:home, :direct])
plug(OAuthScopesPlug, %{scopes: ["read:lists"]} when action == :list)