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-rw-r--r--test/fixtures/xml_billion_laughs.xml15
-rw-r--r--test/pleroma/web/xml_test.exs5
2 files changed, 20 insertions, 0 deletions
diff --git a/test/fixtures/xml_billion_laughs.xml b/test/fixtures/xml_billion_laughs.xml
new file mode 100644
index 000000000..75fb24cae
--- /dev/null
+++ b/test/fixtures/xml_billion_laughs.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0"?>
+<!DOCTYPE lolz [
+ <!ENTITY lol "lol">
+ <!ELEMENT lolz (#PCDATA)>
+ <!ENTITY lol1 "&lol;&lol;&lol;&lol;&lol;&lol;&lol;&lol;&lol;&lol;">
+ <!ENTITY lol2 "&lol1;&lol1;&lol1;&lol1;&lol1;&lol1;&lol1;&lol1;&lol1;&lol1;">
+ <!ENTITY lol3 "&lol2;&lol2;&lol2;&lol2;&lol2;&lol2;&lol2;&lol2;&lol2;&lol2;">
+ <!ENTITY lol4 "&lol3;&lol3;&lol3;&lol3;&lol3;&lol3;&lol3;&lol3;&lol3;&lol3;">
+ <!ENTITY lol5 "&lol4;&lol4;&lol4;&lol4;&lol4;&lol4;&lol4;&lol4;&lol4;&lol4;">
+ <!ENTITY lol6 "&lol5;&lol5;&lol5;&lol5;&lol5;&lol5;&lol5;&lol5;&lol5;&lol5;">
+ <!ENTITY lol7 "&lol6;&lol6;&lol6;&lol6;&lol6;&lol6;&lol6;&lol6;&lol6;&lol6;">
+ <!ENTITY lol8 "&lol7;&lol7;&lol7;&lol7;&lol7;&lol7;&lol7;&lol7;&lol7;&lol7;">
+ <!ENTITY lol9 "&lol8;&lol8;&lol8;&lol8;&lol8;&lol8;&lol8;&lol8;&lol8;&lol8;">
+]>
+<lolz>&lol9;</lolz>
diff --git a/test/pleroma/web/xml_test.exs b/test/pleroma/web/xml_test.exs
index 89d4709b6..49306430b 100644
--- a/test/pleroma/web/xml_test.exs
+++ b/test/pleroma/web/xml_test.exs
@@ -3,6 +3,11 @@ defmodule Pleroma.Web.XMLTest do
alias Pleroma.Web.XML
+ test "refuses to parse any entities from XML" do
+ data = File.read!("test/fixtures/xml_billion_laughs.xml")
+ assert(:error == XML.parse_document(data))
+ end
+
test "refuses to load external entities from XML" do
data = File.read!("test/fixtures/xml_external_entities.xml")
assert(:error == XML.parse_document(data))