Commit 0fe36b31 authored by rinpatch's avatar rinpatch

Merge branch 'features/mrf-reasons' into 'develop'

Add rejection reason to our MRFs

See merge request pleroma/pleroma!2759
parents 2ce141fb d29b8997
......@@ -60,7 +60,7 @@ def filter(%{"type" => "Follow", "actor" => actor_id} = message) do
if score < 0.8 do
{:ok, message}
else
{:reject, nil}
{:reject, "[AntiFollowbotPolicy] Scored #{actor_id} as #{score}"}
end
end
......
......@@ -39,14 +39,13 @@ def filter(%{"type" => "Create", "actor" => actor, "object" => object} = message
{:ok, message}
{:old_user, false} ->
{:reject, nil}
{:reject, "[AntiLinkSpamPolicy] User has no posts nor followers"}
{:error, _} ->
{:reject, nil}
{:reject, "[AntiLinkSpamPolicy] Failed to get or fetch user by ap_id"}
e ->
Logger.warn("[MRF anti-link-spam] WTF: unhandled error #{inspect(e)}")
{:reject, nil}
{:reject, "[AntiLinkSpamPolicy] Unhandled error #{inspect(e)}"}
end
end
......
......@@ -43,7 +43,7 @@ defp delist_message(message, _threshold), do: {:ok, message}
defp reject_message(message, threshold) when threshold > 0 do
with {_, recipients} <- get_recipient_count(message) do
if recipients > threshold do
{:reject, nil}
{:reject, "[HellthreadPolicy] #{recipients} recipients is over the limit of #{threshold}"}
else
{:ok, message}
end
......@@ -87,7 +87,7 @@ def filter(%{"type" => "Create", "object" => %{"type" => object_type}} = message
{:ok, message} <- delist_message(message, delist_threshold) do
{:ok, message}
else
_e -> {:reject, nil}
e -> e
end
end
......
......@@ -24,7 +24,7 @@ defp check_reject(%{"object" => %{"content" => content, "summary" => summary}} =
if Enum.any?(Pleroma.Config.get([:mrf_keyword, :reject]), fn pattern ->
string_matches?(content, pattern) or string_matches?(summary, pattern)
end) do
{:reject, nil}
{:reject, "[KeywordPolicy] Matches with rejected keyword"}
else
{:ok, message}
end
......@@ -89,8 +89,9 @@ def filter(%{"type" => "Create", "object" => %{"content" => _content}} = message
{:ok, message} <- check_replace(message) do
{:ok, message}
else
_e ->
{:reject, nil}
{:reject, nil} -> {:reject, "[KeywordPolicy] "}
{:reject, _} = e -> e
_e -> {:reject, "[KeywordPolicy] "}
end
end
......
......@@ -12,8 +12,9 @@ def filter(%{"type" => "Create"} = message) do
reject_actors = Pleroma.Config.get([:mrf_mention, :actors], [])
recipients = (message["to"] || []) ++ (message["cc"] || [])
if Enum.any?(recipients, fn recipient -> Enum.member?(reject_actors, recipient) end) do
{:reject, nil}
if rejected_mention =
Enum.find(recipients, fn recipient -> Enum.member?(reject_actors, recipient) end) do
{:reject, "[MentionPolicy] Rejected for mention of #{rejected_mention}"}
else
{:ok, message}
end
......
......@@ -28,7 +28,7 @@ defp check_date(%{"object" => %{"published" => published}} = message) do
defp check_reject(message, actions) do
if :reject in actions do
{:reject, nil}
{:reject, "[ObjectAgePolicy]"}
else
{:ok, message}
end
......@@ -47,9 +47,8 @@ defp check_delist(message, actions) do
{:ok, message}
else
# Unhandleable error: somebody is messing around, just drop the message.
_e ->
{:reject, nil}
{:reject, "[ObjectAgePolicy] Unhandled error"}
end
else
{:ok, message}
......@@ -69,9 +68,8 @@ defp check_strip_followers(message, actions) do
{:ok, message}
else
# Unhandleable error: somebody is messing around, just drop the message.
_e ->
{:reject, nil}
{:reject, "[ObjectAgePolicy] Unhandled error"}
end
else
{:ok, message}
......
......@@ -38,7 +38,7 @@ def filter(%{"type" => "Create"} = object) do
{:ok, object}
true ->
{:reject, nil}
{:reject, "[RejectNonPublic] visibility: #{visibility}"}
end
end
......
......@@ -21,7 +21,7 @@ defp check_accept(%{host: actor_host} = _actor_info, object) do
accepts == [] -> {:ok, object}
actor_host == Config.get([Pleroma.Web.Endpoint, :url, :host]) -> {:ok, object}
MRF.subdomain_match?(accepts, actor_host) -> {:ok, object}
true -> {:reject, nil}
true -> {:reject, "[SimplePolicy] host not in accept list"}
end
end
......@@ -31,7 +31,7 @@ defp check_reject(%{host: actor_host} = _actor_info, object) do
|> MRF.subdomains_regex()
if MRF.subdomain_match?(rejects, actor_host) do
{:reject, nil}
{:reject, "[SimplePolicy] host in reject list"}
else
{:ok, object}
end
......@@ -114,7 +114,7 @@ defp check_report_removal(%{host: actor_host} = _actor_info, %{"type" => "Flag"}
|> MRF.subdomains_regex()
if MRF.subdomain_match?(report_removal, actor_host) do
{:reject, nil}
{:reject, "[SimplePolicy] host in report_removal list"}
else
{:ok, object}
end
......@@ -159,7 +159,7 @@ def filter(%{"type" => "Delete", "actor" => actor} = object) do
|> MRF.subdomains_regex()
if MRF.subdomain_match?(reject_deletes, actor_host) do
{:reject, nil}
{:reject, "[SimplePolicy] host in reject_deletes list"}
else
{:ok, object}
end
......@@ -177,7 +177,9 @@ def filter(%{"actor" => actor} = object) do
{:ok, object} <- check_report_removal(actor_info, object) do
{:ok, object}
else
_e -> {:reject, nil}
{:reject, nil} -> {:reject, "[SimplePolicy]"}
{:reject, _} = e -> e
_ -> {:reject, "[SimplePolicy]"}
end
end
......@@ -191,7 +193,9 @@ def filter(%{"id" => actor, "type" => obj_type} = object)
{:ok, object} <- check_banner_removal(actor_info, object) do
{:ok, object}
else
_e -> {:reject, nil}
{:reject, nil} -> {:reject, "[SimplePolicy]"}
{:reject, _} = e -> e
_ -> {:reject, "[SimplePolicy]"}
end
end
......
......@@ -134,12 +134,13 @@ defp process_tag(
if user.local == true do
{:ok, message}
else
{:reject, nil}
{:reject,
"[TagPolicy] Follow from #{actor} tagged with mrf_tag:disable-remote-subscription"}
end
end
defp process_tag("mrf_tag:disable-any-subscription", %{"type" => "Follow"}),
do: {:reject, nil}
defp process_tag("mrf_tag:disable-any-subscription", %{"type" => "Follow", "actor" => actor}),
do: {:reject, "[TagPolicy] Follow from #{actor} tagged with mrf_tag:disable-any-subscription"}
defp process_tag(_, message), do: {:ok, message}
......
......@@ -14,7 +14,7 @@ defp filter_by_list(%{"actor" => actor} = object, allow_list) do
if actor in allow_list do
{:ok, object}
else
{:reject, nil}
{:reject, "[UserAllowListPolicy] #{actor} not in the list"}
end
end
......
......@@ -11,22 +11,26 @@ def filter(%{"type" => "Undo", "object" => child_message} = message) do
with {:ok, _} <- filter(child_message) do
{:ok, message}
else
{:reject, nil} ->
{:reject, nil}
{:reject, _} = e -> e
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 <-
Enum.empty?(accepted_vocabulary) || Enum.member?(accepted_vocabulary, message_type),
false <-
length(rejected_vocabulary) > 0 && Enum.member?(rejected_vocabulary, message_type),
{_, true} <-
{:accepted,
Enum.empty?(accepted_vocabulary) || Enum.member?(accepted_vocabulary, message_type)},
{_, false} <-
{:rejected,
length(rejected_vocabulary) > 0 && Enum.member?(rejected_vocabulary, message_type)},
{:ok, _} <- filter(message["object"]) do
{:ok, message}
else
_ -> {:reject, nil}
{:reject, _} = e -> e
{:accepted, _} -> {:reject, "[VocabularyPolicy] #{message_type} not in accept list"}
{:rejected, _} -> {:reject, "[VocabularyPolicy] #{message_type} in reject list"}
_ -> {:reject, "[VocabularyPolicy]"}
end
end
......
......@@ -172,6 +172,11 @@ def create(%{assigns: %{user: user}, body_params: %{status: _} = params} = conn,
with_direct_conversation_id: true
)
else
{:error, {:reject, message}} ->
conn
|> put_status(:unprocessable_entity)
|> json(%{error: message})
{:error, message} ->
conn
|> put_status(:unprocessable_entity)
......
......@@ -21,7 +21,7 @@ test "matches followbots by nickname" do
"id" => "https://example.com/activities/1234"
}
{:reject, nil} = AntiFollowbotPolicy.filter(message)
assert {:reject, "[AntiFollowbotPolicy]" <> _} = AntiFollowbotPolicy.filter(message)
end
test "matches followbots by display name" do
......@@ -36,7 +36,7 @@ test "matches followbots by display name" do
"id" => "https://example.com/activities/1234"
}
{:reject, nil} = AntiFollowbotPolicy.filter(message)
assert {:reject, "[AntiFollowbotPolicy]" <> _} = AntiFollowbotPolicy.filter(message)
end
end
......
......@@ -50,7 +50,8 @@ test "rejects the message if the recipient count is above reject_threshold", %{
} do
Pleroma.Config.put([:mrf_hellthread], %{delist_threshold: 0, reject_threshold: 2})
{:reject, nil} = filter(message)
assert {:reject, "[HellthreadPolicy] 3 recipients is over the limit of 2"} ==
filter(message)
end
test "does not reject the message if the recipient count is below reject_threshold", %{
......
......@@ -25,7 +25,8 @@ test "rejects if string matches in content" do
}
}
assert {:reject, nil} == KeywordPolicy.filter(message)
assert {:reject, "[KeywordPolicy] Matches with rejected keyword"} =
KeywordPolicy.filter(message)
end
test "rejects if string matches in summary" do
......@@ -39,7 +40,8 @@ test "rejects if string matches in summary" do
}
}
assert {:reject, nil} == KeywordPolicy.filter(message)
assert {:reject, "[KeywordPolicy] Matches with rejected keyword"} =
KeywordPolicy.filter(message)
end
test "rejects if regex matches in content" do
......@@ -55,7 +57,8 @@ test "rejects if regex matches in content" do
}
}
{:reject, nil} == KeywordPolicy.filter(message)
{:reject, "[KeywordPolicy] Matches with rejected keyword"} ==
KeywordPolicy.filter(message)
end)
end
......@@ -72,7 +75,8 @@ test "rejects if regex matches in summary" do
}
}
{:reject, nil} == KeywordPolicy.filter(message)
{:reject, "[KeywordPolicy] Matches with rejected keyword"} ==
KeywordPolicy.filter(message)
end)
end
end
......
......@@ -76,7 +76,8 @@ test "to" do
"to" => ["https://example.com/blocked"]
}
assert MentionPolicy.filter(message) == {:reject, nil}
assert MentionPolicy.filter(message) ==
{:reject, "[MentionPolicy] Rejected for mention of https://example.com/blocked"}
end
test "cc" do
......@@ -88,7 +89,8 @@ test "cc" do
"cc" => ["https://example.com/blocked"]
}
assert MentionPolicy.filter(message) == {:reject, nil}
assert MentionPolicy.filter(message) ==
{:reject, "[MentionPolicy] Rejected for mention of https://example.com/blocked"}
end
end
end
......@@ -64,7 +64,7 @@ test "it's rejected when addrer of message in the follower addresses of user and
}
Pleroma.Config.put([:mrf_rejectnonpublic, :allow_followersonly], false)
assert {:reject, nil} = RejectNonPublic.filter(message)
assert {:reject, _} = RejectNonPublic.filter(message)
end
end
......@@ -94,7 +94,7 @@ test "it's reject when direct messages aren't allow" do
}
Pleroma.Config.put([:mrf_rejectnonpublic, :allow_direct], false)
assert {:reject, nil} = RejectNonPublic.filter(message)
assert {:reject, _} = RejectNonPublic.filter(message)
end
end
end
......@@ -124,7 +124,7 @@ test "has a matching host" do
report_message = build_report_message()
local_message = build_local_message()
assert SimplePolicy.filter(report_message) == {:reject, nil}
assert {:reject, _} = SimplePolicy.filter(report_message)
assert SimplePolicy.filter(local_message) == {:ok, local_message}
end
......@@ -133,7 +133,7 @@ test "match with wildcard domain" do
report_message = build_report_message()
local_message = build_local_message()
assert SimplePolicy.filter(report_message) == {:reject, nil}
assert {:reject, _} = SimplePolicy.filter(report_message)
assert SimplePolicy.filter(local_message) == {:ok, local_message}
end
end
......@@ -241,7 +241,7 @@ test "activity has a matching host" do
remote_message = build_remote_message()
assert SimplePolicy.filter(remote_message) == {:reject, nil}
assert {:reject, _} = SimplePolicy.filter(remote_message)
end
test "activity matches with wildcard domain" do
......@@ -249,7 +249,7 @@ test "activity matches with wildcard domain" do
remote_message = build_remote_message()
assert SimplePolicy.filter(remote_message) == {:reject, nil}
assert {:reject, _} = SimplePolicy.filter(remote_message)
end
test "actor has a matching host" do
......@@ -257,7 +257,7 @@ test "actor has a matching host" do
remote_user = build_remote_user()
assert SimplePolicy.filter(remote_user) == {:reject, nil}
assert {:reject, _} = SimplePolicy.filter(remote_user)
end
end
......@@ -279,7 +279,7 @@ test "is not empty but activity doesn't have a matching host" do
remote_message = build_remote_message()
assert SimplePolicy.filter(local_message) == {:ok, local_message}
assert SimplePolicy.filter(remote_message) == {:reject, nil}
assert {:reject, _} = SimplePolicy.filter(remote_message)
end
test "activity has a matching host" do
......@@ -429,7 +429,7 @@ test "it accepts deletions even from non-whitelisted servers" do
test "it rejects the deletion" do
deletion_message = build_remote_deletion_message()
assert SimplePolicy.filter(deletion_message) == {:reject, nil}
assert {:reject, _} = SimplePolicy.filter(deletion_message)
end
end
......@@ -439,7 +439,7 @@ test "it rejects the deletion" do
test "it rejects the deletion" do
deletion_message = build_remote_deletion_message()
assert SimplePolicy.filter(deletion_message) == {:reject, nil}
assert {:reject, _} = SimplePolicy.filter(deletion_message)
end
end
......
......@@ -12,8 +12,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.TagPolicyTest do
describe "mrf_tag:disable-any-subscription" do
test "rejects message" do
actor = insert(:user, tags: ["mrf_tag:disable-any-subscription"])
message = %{"object" => actor.ap_id, "type" => "Follow"}
assert {:reject, nil} = TagPolicy.filter(message)
message = %{"object" => actor.ap_id, "type" => "Follow", "actor" => actor.ap_id}
assert {:reject, _} = TagPolicy.filter(message)
end
end
......@@ -22,7 +22,7 @@ test "rejects non-local follow requests" do
actor = insert(:user, tags: ["mrf_tag:disable-remote-subscription"])
follower = insert(:user, tags: ["mrf_tag:disable-remote-subscription"], local: false)
message = %{"object" => actor.ap_id, "type" => "Follow", "actor" => follower.ap_id}
assert {:reject, nil} = TagPolicy.filter(message)
assert {:reject, _} = TagPolicy.filter(message)
end
test "allows non-local follow requests" do
......
......@@ -26,6 +26,6 @@ test "rejected if allow list isn't empty and user not in allow list" do
actor = insert(:user)
Pleroma.Config.put([:mrf_user_allowlist], %{"localhost" => ["test-ap-id"]})
message = %{"actor" => actor.ap_id}
assert UserAllowListPolicy.filter(message) == {:reject, nil}
assert {:reject, _} = UserAllowListPolicy.filter(message)
end
end
......@@ -46,7 +46,7 @@ test "it does not accept disallowed child objects" do
}
}
{:reject, nil} = VocabularyPolicy.filter(message)
{:reject, _} = VocabularyPolicy.filter(message)
end
test "it does not accept disallowed parent types" do
......@@ -60,7 +60,7 @@ test "it does not accept disallowed parent types" do
}
}
{:reject, nil} = VocabularyPolicy.filter(message)
{:reject, _} = VocabularyPolicy.filter(message)
end
end
......@@ -75,7 +75,7 @@ test "it rejects based on parent activity type" do
"object" => "whatever"
}
{:reject, nil} = VocabularyPolicy.filter(message)
{:reject, _} = VocabularyPolicy.filter(message)
end
test "it rejects based on child object type" do
......@@ -89,7 +89,7 @@ test "it rejects based on child object type" do
}
}
{:reject, nil} = VocabularyPolicy.filter(message)
{:reject, _} = VocabularyPolicy.filter(message)
end
test "it passes through objects that aren't disallowed" do
......
......@@ -22,6 +22,8 @@ defmodule Pleroma.Web.MastodonAPI.StatusControllerTest do
setup do: clear_config([:instance, :federating])
setup do: clear_config([:instance, :allow_relay])
setup do: clear_config([:rich_media, :enabled])
setup do: clear_config([:mrf, :policies])
setup do: clear_config([:mrf_keyword, :reject])
describe "posting statuses" do
setup do: oauth_access(["write:statuses"])
......@@ -157,6 +159,17 @@ test "it fails to create a status if `expires_in` is less or equal than an hour"
|> json_response_and_validate_schema(422)
end
test "Get MRF reason when posting a status is rejected by one", %{conn: conn} do
Pleroma.Config.put([:mrf_keyword, :reject], ["GNO"])
Pleroma.Config.put([:mrf, :policies], [Pleroma.Web.ActivityPub.MRF.KeywordPolicy])
assert %{"error" => "[KeywordPolicy] Matches with rejected keyword"} =
conn
|> put_req_header("content-type", "application/json")
|> post("api/v1/statuses", %{"status" => "GNO/Linux"})
|> json_response_and_validate_schema(422)
end
test "posting an undefined status with an attachment", %{user: user, conn: conn} do
file = %Plug.Upload{
content_type: "image/jpg",
......
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