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Merge pull request 'Magical patches' (#357) from magical-patches into develop

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Reviewed-on: https://akkoma.dev/AkkomaGang/akkoma/pulls/357
This commit is contained in:
floatingghost 2022-12-09 21:12:49 +00:00
parent f667884962 739ed14f54
commit 2144ce5188
13 changed files with 243 additions and 268 deletions
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6
CHANGELOG.md
View file

@ -13,6 +13,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
- Regular task to prune local transient activities
- Task to manually run the transient prune job (pleroma.database prune\_task)
- Ability to follow hashtags
- Option to extend `reject` in MRF-Simple to apply to entire threads, where the originating instance is rejected
- Extra information to failed HTTP requests
## Changed
- MastoAPI: Accept BooleanLike input on `/api/v1/accounts/:id/follow` (fixes follows with mastodon.py)
@ -22,6 +24,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
- Transient activities recieved from remote servers are no longer persisted in the database
- Overhauled static-fe view for logged-out users
## Removed
- FollowBotPolicy
- Passing of undo/block into MRF
## Upgrade Notes
- If you have an old instance, you will probably want to run `mix pleroma.database prune_task` in the foreground to catch it up with the history of your instance.

3
config/config.exs
View file

@ -391,7 +391,8 @@
accept: [],
avatar_removal: [],
banner_removal: [],
reject_deletes: []
reject_deletes: [],
handle_threads: true
config :pleroma, :mrf_keyword,
reject: [],

5
docs/docs/configuration/cheatsheet.md
View file

@ -221,11 +221,6 @@ Notes:
- The hashtags in the configuration do not have a leading `#`.
- This MRF Policy is always enabled, if you want to disable it you have to set empty lists
#### :mrf_follow_bot
* `follower_nickname`: The name of the bot account to use for following newly discovered users. Using `followbot` or similar is strongly suggested.
### :activitypub
* `unfollow_blocked`: Whether blocks result in people getting unfollowed
* `outgoing_blocks`: Whether to federate blocks to other instances

2
lib/pleroma/collections/fetcher.ex
View file

@ -68,7 +68,7 @@ defp fetch_page_items(id, items \\ []) do
items
end
else
{:error, "Object has been deleted"} ->
{:error, {"Object has been deleted", _, _}} ->
items
{:error, error} ->

3
lib/pleroma/config/deprecation_warnings.ex
View file

@ -25,7 +25,7 @@ defmodule Pleroma.Config.DeprecationWarnings do
def check_simple_policy_tuples do
has_strings =
Config.get([:mrf_simple])
|> Enum.any?(fn {_, v} -> Enum.any?(v, &is_binary/1) end)
|> Enum.any?(fn {_, v} -> is_list(v) and Enum.any?(v, &is_binary/1) end)
if has_strings do
Logger.warn("""
@ -66,6 +66,7 @@ def check_simple_policy_tuples do
new_config =
Config.get([:mrf_simple])
|> Enum.filter(fn {_k, v} -> not is_atom(v) end)
|> Enum.map(fn {k, v} ->
{k,
Enum.map(v, fn

4
lib/pleroma/object/fetcher.ex
View file

@ -180,7 +180,7 @@ def fetch_object_from_id!(id, options \\ []) do
{:error, %Tesla.Mock.Error{}} ->
nil
{:error, "Object has been deleted"} ->
{:error, {"Object has been deleted", _id, _code}} ->
nil
{:reject, reason} ->
@ -284,7 +284,7 @@ defp get_object(id) do
end
{:ok, %{status: code}} when code in [404, 410] ->
{:error, "Object has been deleted"}
{:error, {"Object has been deleted", id, code}}
{:error, e} ->
{:error, e}

2
lib/pleroma/web/activity_pub/activity_pub.ex
View file

@ -1711,7 +1711,7 @@ def fetch_and_prepare_user_from_ap_id(ap_id, additional \\ []) do
{:ok, maybe_update_follow_information(data)}
else
# If this has been deleted, only log a debug and not an error
{:error, "Object has been deleted" = e} ->
{:error, {"Object has been deleted" = e, _, _}} ->
Logger.debug("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
{:error, e}

6
lib/pleroma/web/activity_pub/mrf.ex
View file

@ -63,6 +63,12 @@ defmodule Pleroma.Web.ActivityPub.MRF do
@required_description_keys [:key, :related_policy]
def filter_one(policy, %{"type" => type} = message)
when type in ["Undo", "Block", "Delete"] and
policy != Pleroma.Web.ActivityPub.MRF.SimplePolicy do
{:ok, message}
end
def filter_one(policy, message) do
should_plug_history? =
if function_exported?(policy, :history_awareness, 0) do

59
lib/pleroma/web/activity_pub/mrf/follow_bot_policy.ex
View file

@ -1,59 +0,0 @@
defmodule Pleroma.Web.ActivityPub.MRF.FollowBotPolicy do
@behaviour Pleroma.Web.ActivityPub.MRF.Policy
alias Pleroma.Config
alias Pleroma.User
alias Pleroma.Web.CommonAPI
require Logger
@impl true
def filter(message) do
with follower_nickname <- Config.get([:mrf_follow_bot, :follower_nickname]),
%User{actor_type: "Service"} = follower <-
User.get_cached_by_nickname(follower_nickname),
%{"type" => "Create", "object" => %{"type" => "Note"}} <- message do
try_follow(follower, message)
else
nil ->
Logger.warn(
"#{__MODULE__} skipped because of missing `:mrf_follow_bot, :follower_nickname` configuration, the :follower_nickname
account does not exist, or the account is not correctly configured as a bot."
)
{:ok, message}
_ ->
{:ok, message}
end
end
defp try_follow(follower, message) do
to = Map.get(message, "to", [])
cc = Map.get(message, "cc", [])
actor = [message["actor"]]
Enum.concat([to, cc, actor])
|> List.flatten()
|> Enum.uniq()
|> User.get_all_by_ap_id()
|> Enum.each(fn user ->
with false <- user.local,
false <- User.following?(follower, user),
false <- User.locked?(user),
false <- (user.bio || "") |> String.downcase() |> String.contains?("nobot") do
Logger.debug(
"#{__MODULE__}: Follow request from #{follower.nickname} to #{user.nickname}"
)
CommonAPI.follow(follower, user)
end
end)
{:ok, message}
end
@impl true
def describe do
{:ok, %{}}
end
end

209
lib/pleroma/web/activity_pub/mrf/simple_policy.ex
View file

@ -13,20 +13,20 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do
require Pleroma.Constants
defp check_accept(%{host: actor_host} = _actor_info, object) do
defp check_accept(%{host: actor_host} = _actor_info) do
accepts =
instance_list(:accept)
|> MRF.subdomains_regex()
cond do
accepts == [] -> {:ok, object}
actor_host == Config.get([Pleroma.Web.Endpoint, :url, :host]) -> {:ok, object}
MRF.subdomain_match?(accepts, actor_host) -> {:ok, object}
accepts == [] -> {:ok, nil}
actor_host == Config.get([Pleroma.Web.Endpoint, :url, :host]) -> {:ok, nil}
MRF.subdomain_match?(accepts, actor_host) -> {:ok, nil}
true -> {:reject, "[SimplePolicy] host not in accept list"}
end
end
defp check_reject(%{host: actor_host} = _actor_info, object) do
defp check_reject(%{host: actor_host} = _actor_info) do
rejects =
instance_list(:reject)
|> MRF.subdomains_regex()
@ -34,7 +34,7 @@ defp check_reject(%{host: actor_host} = _actor_info, object) do
if MRF.subdomain_match?(rejects, actor_host) do
{:reject, "[SimplePolicy] host in reject list"}
else
{:ok, object}
{:ok, nil}
end
end
@ -178,6 +178,55 @@ defp check_banner_removal(%{host: actor_host} = _actor_info, %{"image" => _image
defp check_banner_removal(_actor_info, object), do: {:ok, object}
defp extract_context_uri(%{"conversation" => "tag:" <> rest}) do
rest
|> String.split(",", parts: 2, trim: true)
|> hd()
|> case do
nil -> nil
hostname -> URI.parse("//" <> hostname)
end
end
defp extract_context_uri(%{"context" => "http" <> _ = context}), do: URI.parse(context)
defp extract_context_uri(_), do: nil
defp check_context(activity) do
uri = extract_context_uri(activity)
with {:uri, true} <- {:uri, Kernel.match?(%URI{}, uri)},
{:ok, _} <- check_accept(uri),
{:ok, _} <- check_reject(uri) do
{:ok, activity}
else
# Can't check.
{:uri, false} -> {:ok, activity}
{:reject, nil} -> {:reject, "[SimplePolicy]"}
{:reject, _} = e -> e
_ -> {:reject, "[SimplePolicy]"}
end
end
defp check_reply_to(%{"object" => %{"inReplyTo" => in_reply_to}} = activity) do
with {:ok, _} <- filter(in_reply_to) do
{:ok, activity}
end
end
defp check_reply_to(activity), do: {:ok, activity}
defp maybe_check_thread(activity) do
if Config.get([:mrf_simple, :handle_threads], true) do
with {:ok, _} <- check_context(activity),
{:ok, _} <- check_reply_to(activity) do
{:ok, activity}
end
else
{:ok, activity}
end
end
defp check_object(%{"object" => object} = activity) do
with {:ok, _object} <- filter(object) do
{:ok, activity}
@ -210,13 +259,14 @@ def filter(%{"type" => "Delete", "actor" => actor} = object) do
def filter(%{"actor" => actor} = object) do
actor_info = URI.parse(actor)
with {:ok, object} <- check_accept(actor_info, object),
{:ok, object} <- check_reject(actor_info, object),
with {:ok, _} <- check_accept(actor_info),
{:ok, _} <- check_reject(actor_info),
{:ok, object} <- check_media_removal(actor_info, object),
{:ok, object} <- check_media_nsfw(actor_info, object),
{:ok, object} <- check_ftl_removal(actor_info, object),
{:ok, object} <- check_followers_only(actor_info, object),
{:ok, object} <- check_report_removal(actor_info, object),
{:ok, object} <- maybe_check_thread(object),
{:ok, object} <- check_object(object) do
{:ok, object}
else
@ -230,8 +280,8 @@ def filter(%{"id" => actor, "type" => obj_type} = object)
when obj_type in ["Application", "Group", "Organization", "Person", "Service"] do
actor_info = URI.parse(actor)
with {:ok, object} <- check_accept(actor_info, object),
{:ok, object} <- check_reject(actor_info, object),
with {:ok, _} <- check_accept(actor_info),
{:ok, _} <- check_reject(actor_info),
{:ok, object} <- check_avatar_removal(actor_info, object),
{:ok, object} <- check_banner_removal(actor_info, object) do
{:ok, object}
@ -242,11 +292,17 @@ def filter(%{"id" => actor, "type" => obj_type} = object)
end
end
def filter(%{"id" => id} = object) do
with {:ok, _} <- filter(id) do
{:ok, object}
end
end
def filter(object) when is_binary(object) do
uri = URI.parse(object)
with {:ok, object} <- check_accept(uri, object),
{:ok, object} <- check_reject(uri, object) do
with {:ok, _} <- check_accept(uri),
{:ok, _} <- check_reject(uri) do
{:ok, object}
else
{:reject, nil} -> {:reject, "[SimplePolicy]"}
@ -288,6 +344,7 @@ def describe do
mrf_simple_excluded =
Config.get(:mrf_simple)
|> Enum.filter(fn {_, v} -> is_list(v) end)
|> Enum.map(fn {rule, instances} ->
{rule, Enum.reject(instances, fn {host, _} -> host in exclusions end)}
end)
@ -332,66 +389,78 @@ def config_description do
label: "MRF Simple",
description: "Simple ingress policies",
children:
[
%{
key: :media_removal,
description:
"List of instances to strip media attachments from and the reason for doing so"
},
%{
key: :media_nsfw,
label: "Media NSFW",
description:
"List of instances to tag all media as NSFW (sensitive) from and the reason for doing so"
},
%{
key: :federated_timeline_removal,
description:
"List of instances to remove from the Federated (aka The Whole Known Network) Timeline and the reason for doing so"
},
%{
key: :reject,
description:
"List of instances to reject activities from (except deletes) and the reason for doing so"
},
%{
key: :accept,
description:
"List of instances to only accept activities from (except deletes) and the reason for doing so"
},
%{
key: :followers_only,
description:
"Force posts from the given instances to be visible by followers only and the reason for doing so"
},
%{
key: :report_removal,
description: "List of instances to reject reports from and the reason for doing so"
},
%{
key: :avatar_removal,
description: "List of instances to strip avatars from and the reason for doing so"
},
%{
key: :banner_removal,
description: "List of instances to strip banners from and the reason for doing so"
},
%{
key: :reject_deletes,
description: "List of instances to reject deletions from and the reason for doing so"
}
]
|> Enum.map(fn setting ->
Map.merge(
setting,
([
%{
key: :media_removal,
description:
"List of instances to strip media attachments from and the reason for doing so"
},
%{
key: :media_nsfw,
label: "Media NSFW",
description:
"List of instances to tag all media as NSFW (sensitive) from and the reason for doing so"
},
%{
key: :federated_timeline_removal,
description:
"List of instances to remove from the Federated (aka The Whole Known Network) Timeline and the reason for doing so"
},
%{
key: :reject,
description:
"List of instances to reject activities from (except deletes) and the reason for doing so"
},
%{
key: :accept,
description:
"List of instances to only accept activities from (except deletes) and the reason for doing so"
},
%{
key: :followers_only,
description:
"Force posts from the given instances to be visible by followers only and the reason for doing so"
},
%{
key: :report_removal,
description: "List of instances to reject reports from and the reason for doing so"
},
%{
key: :avatar_removal,
description: "List of instances to strip avatars from and the reason for doing so"
},
%{
key: :banner_removal,
description: "List of instances to strip banners from and the reason for doing so"
},
%{
key: :reject_deletes,
description: "List of instances to reject deletions from and the reason for doing so"
}
]
|> Enum.map(fn setting ->
Map.merge(
setting,
%{
type: {:list, :tuple},
key_placeholder: "instance",
value_placeholder: "reason",
suggestions: [
{"example.com", "Some reason"},
{"*.example.com", "Another reason"}
]
}
)
end)) ++
[
%{
type: {:list, :tuple},
key_placeholder: "instance",
value_placeholder: "reason",
suggestions: [{"example.com", "Some reason"}, {"*.example.com", "Another reason"}]
key: :handle_threads,
label: "Apply to entire threads",
type: :boolean,
description:
"Enable to filter replies to threads based from their originating instance, using the reject and accept rules"
}
)
end)
]
}
end
end

6
test/pleroma/object/fetcher_test.exs
View file

@ -216,14 +216,16 @@ test "all objects with fake directions are rejected by the object fetcher" do
end
test "handle HTTP 410 Gone response" do
assert {:error, "Object has been deleted"} ==
assert {:error,
{"Object has been deleted", "https://mastodon.example.org/users/userisgone", 410}} ==
Fetcher.fetch_and_contain_remote_object_from_id(
"https://mastodon.example.org/users/userisgone"
)
end
test "handle HTTP 404 response" do
assert {:error, "Object has been deleted"} ==
assert {:error,
{"Object has been deleted", "https://mastodon.example.org/users/userisgone404", 404}} ==
Fetcher.fetch_and_contain_remote_object_from_id(
"https://mastodon.example.org/users/userisgone404"
)

126
test/pleroma/web/activity_pub/mrf/follow_bot_policy_test.exs
View file

@ -1,126 +0,0 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.MRF.FollowBotPolicyTest do
use Pleroma.DataCase, async: true
alias Pleroma.User
alias Pleroma.Web.ActivityPub.MRF.FollowBotPolicy
import Pleroma.Factory
describe "FollowBotPolicy" do
test "follows remote users" do
bot = insert(:user, actor_type: "Service")
remote_user = insert(:user, local: false)
clear_config([:mrf_follow_bot, :follower_nickname], bot.nickname)
message = %{
"@context" => "https://www.w3.org/ns/activitystreams",
"to" => [remote_user.follower_address],
"cc" => ["https://www.w3.org/ns/activitystreams#Public"],
"type" => "Create",
"object" => %{
"content" => "Test post",
"type" => "Note",
"attributedTo" => remote_user.ap_id,
"inReplyTo" => nil
},
"actor" => remote_user.ap_id
}
refute User.following?(bot, remote_user)
assert User.get_follow_requests(remote_user) |> length == 0
FollowBotPolicy.filter(message)
assert User.get_follow_requests(remote_user) |> length == 1
end
test "does not follow users with #nobot in bio" do
bot = insert(:user, actor_type: "Service")
remote_user = insert(:user, %{local: false, bio: "go away bots! #nobot"})
clear_config([:mrf_follow_bot, :follower_nickname], bot.nickname)
message = %{
"@context" => "https://www.w3.org/ns/activitystreams",
"to" => [remote_user.follower_address],
"cc" => ["https://www.w3.org/ns/activitystreams#Public"],
"type" => "Create",
"object" => %{
"content" => "I don't like follow bots",
"type" => "Note",
"attributedTo" => remote_user.ap_id,
"inReplyTo" => nil
},
"actor" => remote_user.ap_id
}
refute User.following?(bot, remote_user)
assert User.get_follow_requests(remote_user) |> length == 0
FollowBotPolicy.filter(message)
assert User.get_follow_requests(remote_user) |> length == 0
end
test "does not follow local users" do
bot = insert(:user, actor_type: "Service")
local_user = insert(:user, local: true)
clear_config([:mrf_follow_bot, :follower_nickname], bot.nickname)
message = %{
"@context" => "https://www.w3.org/ns/activitystreams",
"to" => [local_user.follower_address],
"cc" => ["https://www.w3.org/ns/activitystreams#Public"],
"type" => "Create",
"object" => %{
"content" => "Hi I'm a local user",
"type" => "Note",
"attributedTo" => local_user.ap_id,
"inReplyTo" => nil
},
"actor" => local_user.ap_id
}
refute User.following?(bot, local_user)
assert User.get_follow_requests(local_user) |> length == 0
FollowBotPolicy.filter(message)
assert User.get_follow_requests(local_user) |> length == 0
end
test "does not follow users requiring follower approval" do
bot = insert(:user, actor_type: "Service")
remote_user = insert(:user, %{local: false, is_locked: true})
clear_config([:mrf_follow_bot, :follower_nickname], bot.nickname)
message = %{
"@context" => "https://www.w3.org/ns/activitystreams",
"to" => [remote_user.follower_address],
"cc" => ["https://www.w3.org/ns/activitystreams#Public"],
"type" => "Create",
"object" => %{
"content" => "I don't like randos following me",
"type" => "Note",
"attributedTo" => remote_user.ap_id,
"inReplyTo" => nil
},
"actor" => remote_user.ap_id
}
refute User.following?(bot, remote_user)
assert User.get_follow_requests(remote_user) |> length == 0
FollowBotPolicy.filter(message)
assert User.get_follow_requests(remote_user) |> length == 0
end
end
end

80
test/pleroma/web/activity_pub/mrf/simple_policy_test.exs
View file

@ -356,6 +356,86 @@ test "reject by URI object" do
assert {:reject, _} = SimplePolicy.filter(announce)
end
test "accept by matching context URI if :handle_threads is disabled" do
clear_config([:mrf_simple, :reject], [{"blocked.tld", ""}])
clear_config([:mrf_simple, :handle_threads], false)
remote_message =
build_remote_message()
|> Map.put("context", "https://blocked.tld/contexts/abc")
assert {:ok, _} = SimplePolicy.filter(remote_message)
end
test "accept by matching conversation field if :handle_threads is disabled" do
clear_config([:mrf_simple, :reject], [{"blocked.tld", ""}])
clear_config([:mrf_simple, :handle_threads], false)
remote_message =
build_remote_message()
|> Map.put(
"conversation",
"tag:blocked.tld,1997-06-25:objectId=12345:objectType=Conversation"
)
assert {:ok, _} = SimplePolicy.filter(remote_message)
end
test "accept by matching reply ID if :handle_threads is disabled" do
clear_config([:mrf_simple, :reject], [{"blocked.tld", ""}])
clear_config([:mrf_simple, :handle_threads], false)
remote_message =
build_remote_message()
|> Map.put("type", "Create")
|> Map.put("object", %{
"type" => "Note",
"inReplyTo" => "https://blocked.tld/objects/1"
})
assert {:ok, _} = SimplePolicy.filter(remote_message)
end
test "reject by matching context URI if :handle_threads is enabled" do
clear_config([:mrf_simple, :reject], [{"blocked.tld", ""}])
clear_config([:mrf_simple, :handle_threads], true)
remote_message =
build_remote_message()
|> Map.put("context", "https://blocked.tld/contexts/abc")
assert {:reject, _} = SimplePolicy.filter(remote_message)
end
test "reject by matching conversation field if :handle_threads is enabled" do
clear_config([:mrf_simple, :reject], [{"blocked.tld", ""}])
clear_config([:mrf_simple, :handle_threads], true)
remote_message =
build_remote_message()
|> Map.put(
"conversation",
"tag:blocked.tld,1997-06-25:objectId=12345:objectType=Conversation"
)
assert {:reject, _} = SimplePolicy.filter(remote_message)
end
test "reject by matching reply ID if :handle_threads is enabled" do
clear_config([:mrf_simple, :reject], [{"blocked.tld", ""}])
clear_config([:mrf_simple, :handle_threads], true)
remote_message =
build_remote_message()
|> Map.put("type", "Create")
|> Map.put("object", %{
"type" => "Note",
"inReplyTo" => "https://blocked.tld/objects/1"
})
assert {:reject, _} = SimplePolicy.filter(remote_message)
end
end
describe "when :followers_only" do