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authorkaniini <nenolod@gmail.com>2018-08-23 01:39:08 +0000
committerkaniini <nenolod@gmail.com>2018-08-23 01:39:08 +0000
commite416469a409e6ff4bea84da40a5af43fe532a2ce (patch)
tree764724db262d18b4ca9b5f58e0ea4776861bb9e9 /lib
parent643f373514081864814930807432dc0740694c69 (diff)
parenta909fe45a6d680cc5a069cc7c340818ecbca54dc (diff)
downloadpleroma-e416469a409e6ff4bea84da40a5af43fe532a2ce.tar.gz
Merge branch 'security/activitypub-reject-bogus-ids' into 'develop'
security: activitypub: reject activities with bogus ids See merge request pleroma/pleroma!286
Diffstat (limited to 'lib')
-rw-r--r--lib/pleroma/web/activity_pub/transmogrifier.ex6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex
index 5e07d5ea9..1367bc7e3 100644
--- a/lib/pleroma/web/activity_pub/transmogrifier.ex
+++ b/lib/pleroma/web/activity_pub/transmogrifier.ex
@@ -177,6 +177,12 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
def fix_content_map(object), do: object
+ # disallow objects with bogus IDs
+ def handle_incoming(%{"id" => nil}), do: :error
+ def handle_incoming(%{"id" => ""}), do: :error
+ # length of https:// = 8, should validate better, but good enough for now.
+ def handle_incoming(%{"id" => id}) when not (is_binary(id) and length(id) > 8), do: :error
+
# TODO: validate those with a Ecto scheme
# - tags
# - emoji