mirror of https://github.com/django/django.git
115 lines
4.6 KiB
Python
115 lines
4.6 KiB
Python
from xml.dom import minidom
|
|
|
|
from django.core import serializers
|
|
from django.core.serializers.xml_serializer import DTDForbidden
|
|
from django.test import TestCase, TransactionTestCase
|
|
|
|
from .tests import SerializersTestBase, SerializersTransactionTestBase
|
|
|
|
|
|
class XmlSerializerTestCase(SerializersTestBase, TestCase):
|
|
serializer_name = "xml"
|
|
pkless_str = """<?xml version="1.0" encoding="utf-8"?>
|
|
<django-objects version="1.0">
|
|
<object model="serializers.category">
|
|
<field type="CharField" name="name">Reference</field>
|
|
</object>
|
|
<object model="serializers.category">
|
|
<field type="CharField" name="name">Non-fiction</field>
|
|
</object>
|
|
</django-objects>"""
|
|
mapping_ordering_str = """<?xml version="1.0" encoding="utf-8"?>
|
|
<django-objects version="1.0">
|
|
<object model="serializers.article" pk="%(article_pk)s">
|
|
<field name="author" rel="ManyToOneRel" to="serializers.author">%(author_pk)s</field>
|
|
<field name="headline" type="CharField">Poker has no place on ESPN</field>
|
|
<field name="pub_date" type="DateTimeField">2006-06-16T11:00:00</field>
|
|
<field name="categories" rel="ManyToManyRel" to="serializers.category"><object pk="%(first_category_pk)s"></object><object pk="%(second_category_pk)s"></object></field>
|
|
<field name="meta_data" rel="ManyToManyRel" to="serializers.categorymetadata"></field>
|
|
<field name="topics" rel="ManyToManyRel" to="serializers.topic"></field>
|
|
</object>
|
|
</django-objects>""" # NOQA
|
|
|
|
@staticmethod
|
|
def _validate_output(serial_str):
|
|
try:
|
|
minidom.parseString(serial_str)
|
|
except Exception:
|
|
return False
|
|
else:
|
|
return True
|
|
|
|
@staticmethod
|
|
def _get_pk_values(serial_str):
|
|
ret_list = []
|
|
dom = minidom.parseString(serial_str)
|
|
fields = dom.getElementsByTagName("object")
|
|
for field in fields:
|
|
ret_list.append(field.getAttribute("pk"))
|
|
return ret_list
|
|
|
|
@staticmethod
|
|
def _get_field_values(serial_str, field_name):
|
|
ret_list = []
|
|
dom = minidom.parseString(serial_str)
|
|
fields = dom.getElementsByTagName("field")
|
|
for field in fields:
|
|
if field.getAttribute("name") == field_name:
|
|
temp = []
|
|
for child in field.childNodes:
|
|
temp.append(child.nodeValue)
|
|
ret_list.append("".join(temp))
|
|
return ret_list
|
|
|
|
def test_control_char_failure(self):
|
|
"""
|
|
Serializing control characters with XML should fail as those characters
|
|
are not supported in the XML 1.0 standard (except HT, LF, CR).
|
|
"""
|
|
self.a1.headline = "This contains \u0001 control \u0011 chars"
|
|
msg = "Article.headline (pk:%s) contains unserializable characters" % self.a1.pk
|
|
with self.assertRaisesMessage(ValueError, msg):
|
|
serializers.serialize(self.serializer_name, [self.a1])
|
|
self.a1.headline = "HT \u0009, LF \u000A, and CR \u000D are allowed"
|
|
self.assertIn(
|
|
"HT \t, LF \n, and CR \r are allowed",
|
|
serializers.serialize(self.serializer_name, [self.a1]),
|
|
)
|
|
|
|
def test_no_dtd(self):
|
|
"""
|
|
The XML deserializer shouldn't allow a DTD.
|
|
|
|
This is the most straightforward way to prevent all entity definitions
|
|
and avoid both external entities and entity-expansion attacks.
|
|
"""
|
|
xml = (
|
|
'<?xml version="1.0" standalone="no"?>'
|
|
'<!DOCTYPE example SYSTEM "http://example.com/example.dtd">'
|
|
)
|
|
with self.assertRaises(DTDForbidden):
|
|
next(serializers.deserialize("xml", xml))
|
|
|
|
|
|
class XmlSerializerTransactionTestCase(
|
|
SerializersTransactionTestBase, TransactionTestCase
|
|
):
|
|
serializer_name = "xml"
|
|
fwd_ref_str = """<?xml version="1.0" encoding="utf-8"?>
|
|
<django-objects version="1.0">
|
|
<object pk="1" model="serializers.article">
|
|
<field to="serializers.author" name="author" rel="ManyToOneRel">1</field>
|
|
<field type="CharField" name="headline">Forward references pose no problem</field>
|
|
<field type="DateTimeField" name="pub_date">2006-06-16T15:00:00</field>
|
|
<field to="serializers.category" name="categories" rel="ManyToManyRel">
|
|
<object pk="1"></object>
|
|
</field>
|
|
<field to="serializers.categorymetadata" name="meta_data" rel="ManyToManyRel"></field>
|
|
</object>
|
|
<object pk="1" model="serializers.author">
|
|
<field type="CharField" name="name">Agnes</field>
|
|
</object>
|
|
<object pk="1" model="serializers.category">
|
|
<field type="CharField" name="name">Reference</field></object>
|
|
</django-objects>""" # NOQA
|