Merge branch 'feature/mrf-vocabulary' into 'develop'

MRF Vocabulary

See merge request pleroma/pleroma!1559
This commit is contained in:
rinpatch 2019-08-13 22:51:15 +00:00
commit 9ef31767f2
5 changed files with 169 additions and 0 deletions

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@ -47,6 +47,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
- MRF: Support for priming the mediaproxy cache (`Pleroma.Web.ActivityPub.MRF.MediaProxyWarmingPolicy`)
- MRF: Support for excluding specific domains from Transparency.
- MRF: Support for filtering posts based on who they mention (`Pleroma.Web.ActivityPub.MRF.MentionPolicy`)
- MRF: Support for filtering posts based on ActivityStreams vocabulary (`Pleroma.Web.ActivityPub.MRF.VocabularyPolicy`)
- MRF (Simple Policy): Support for wildcard domains.
- Support for wildcard domains in user domain blocks setting.
- Configuration: `quarantined_instances` support wildcard domains.

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@ -338,6 +338,10 @@
config :pleroma, :mrf_subchain, match_actor: %{}
config :pleroma, :mrf_vocabulary,
accept: [],
reject: []
config :pleroma, :rich_media,
enabled: true,
ignore_hosts: [],

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@ -103,6 +103,7 @@ config :pleroma, Pleroma.Emails.Mailer,
* `Pleroma.Web.ActivityPub.MRF.AntiLinkSpamPolicy`: Rejects posts from likely spambots by rejecting posts from new users that contain links.
* `Pleroma.Web.ActivityPub.MRF.MediaProxyWarmingPolicy`: Crawls attachments using their MediaProxy URLs so that the MediaProxy cache is primed.
* `Pleroma.Web.ActivityPub.MRF.MentionPolicy`: Drops posts mentioning configurable users. (see `:mrf_mention` section)
* `Pleroma.Web.ActivityPub.MRF.VocabularyPolicy`: Restricts activities to a configured set of vocabulary. (see `:mrf_vocabulary` section)
* `public`: Makes the client API in authentificated mode-only except for user-profiles. Useful for disabling the Local Timeline and The Whole Known Network.
* `quarantined_instances`: List of ActivityPub instances where private(DMs, followers-only) activities will not be send.
* `managed_config`: Whenether the config for pleroma-fe is configured in this config or in ``static/config.json``
@ -278,6 +279,10 @@ config :pleroma, :mrf_subchain,
## :mrf_mention
* `actors`: A list of actors, for which to drop any posts mentioning.
## :mrf_vocabulary
* `accept`: A list of ActivityStreams terms to accept. If empty, all supported messages are accepted.
* `reject`: A list of ActivityStreams terms to reject. If empty, no messages are rejected.
## :media_proxy
* `enabled`: Enables proxying of remote media to the instances proxy
* `base_url`: The base URL to access a user-uploaded file. Useful when you want to proxy the media files via another host/CDN fronts.

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@ -0,0 +1,36 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.MRF.VocabularyPolicy do
@moduledoc "Filter messages which belong to certain activity vocabularies"
@behaviour Pleroma.Web.ActivityPub.MRF
def filter(%{"type" => "Undo", "object" => child_message} = message) do
with {:ok, _} <- filter(child_message) do
{:ok, message}
else
{:reject, nil} ->
{:reject, nil}
end
end
def filter(%{"type" => message_type} = message) do
with accepted_vocabulary <- Pleroma.Config.get([:mrf_vocabulary, :accept]),
rejected_vocabulary <- Pleroma.Config.get([:mrf_vocabulary, :reject]),
true <-
length(accepted_vocabulary) == 0 || Enum.member?(accepted_vocabulary, message_type),
false <-
length(rejected_vocabulary) > 0 && Enum.member?(rejected_vocabulary, message_type),
{:ok, _} <- filter(message["object"]) do
{:ok, message}
else
_ -> {:reject, nil}
end
end
def filter(message), do: {:ok, message}
def describe, do: {:ok, %{mrf_vocabulary: Pleroma.Config.get(:mrf_vocabulary)}}
end

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@ -0,0 +1,123 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.MRF.VocabularyPolicyTest do
use Pleroma.DataCase
alias Pleroma.Web.ActivityPub.MRF.VocabularyPolicy
describe "accept" do
test "it accepts based on parent activity type" do
config = Pleroma.Config.get([:mrf_vocabulary, :accept])
Pleroma.Config.put([:mrf_vocabulary, :accept], ["Like"])
message = %{
"type" => "Like",
"object" => "whatever"
}
{:ok, ^message} = VocabularyPolicy.filter(message)
Pleroma.Config.put([:mrf_vocabulary, :accept], config)
end
test "it accepts based on child object type" do
config = Pleroma.Config.get([:mrf_vocabulary, :accept])
Pleroma.Config.put([:mrf_vocabulary, :accept], ["Create", "Note"])
message = %{
"type" => "Create",
"object" => %{
"type" => "Note",
"content" => "whatever"
}
}
{:ok, ^message} = VocabularyPolicy.filter(message)
Pleroma.Config.put([:mrf_vocabulary, :accept], config)
end
test "it does not accept disallowed child objects" do
config = Pleroma.Config.get([:mrf_vocabulary, :accept])
Pleroma.Config.put([:mrf_vocabulary, :accept], ["Create", "Note"])
message = %{
"type" => "Create",
"object" => %{
"type" => "Article",
"content" => "whatever"
}
}
{:reject, nil} = VocabularyPolicy.filter(message)
Pleroma.Config.put([:mrf_vocabulary, :accept], config)
end
test "it does not accept disallowed parent types" do
config = Pleroma.Config.get([:mrf_vocabulary, :accept])
Pleroma.Config.put([:mrf_vocabulary, :accept], ["Announce", "Note"])
message = %{
"type" => "Create",
"object" => %{
"type" => "Note",
"content" => "whatever"
}
}
{:reject, nil} = VocabularyPolicy.filter(message)
Pleroma.Config.put([:mrf_vocabulary, :accept], config)
end
end
describe "reject" do
test "it rejects based on parent activity type" do
config = Pleroma.Config.get([:mrf_vocabulary, :reject])
Pleroma.Config.put([:mrf_vocabulary, :reject], ["Like"])
message = %{
"type" => "Like",
"object" => "whatever"
}
{:reject, nil} = VocabularyPolicy.filter(message)
Pleroma.Config.put([:mrf_vocabulary, :reject], config)
end
test "it rejects based on child object type" do
config = Pleroma.Config.get([:mrf_vocabulary, :reject])
Pleroma.Config.put([:mrf_vocabulary, :reject], ["Note"])
message = %{
"type" => "Create",
"object" => %{
"type" => "Note",
"content" => "whatever"
}
}
{:reject, nil} = VocabularyPolicy.filter(message)
Pleroma.Config.put([:mrf_vocabulary, :reject], config)
end
test "it passes through objects that aren't disallowed" do
config = Pleroma.Config.get([:mrf_vocabulary, :reject])
Pleroma.Config.put([:mrf_vocabulary, :reject], ["Like"])
message = %{
"type" => "Announce",
"object" => "whatever"
}
{:ok, ^message} = VocabularyPolicy.filter(message)
Pleroma.Config.put([:mrf_vocabulary, :reject], config)
end
end
end