security-and-privacy/mat2
security-and-privacy/mat2
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mirror of synced 2024-11-22 01:04:23 +01:00
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Make utf-8 explicit in all tree.write calls

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This commit is contained in:
Alex Marchant 2024-04-03 15:27:48 -04:00
parent 1b9ce34e2c
commit f931a0ecee
2 changed files with 34 additions and 8 deletions
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16
libmat2/office.py
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@ -38,7 +38,7 @@ def _sort_xml_attributes(full_path: str) -> bool:
for c in tree.getroot(): for c in tree.getroot():
c[:] = sorted(c, key=lambda child: (child.tag, child.get('desc'))) c[:] = sorted(c, key=lambda child: (child.tag, child.get('desc')))
tree.write(full_path, xml_declaration=True) tree.write(full_path, xml_declaration=True, encoding='utf-8')
return True return True
@ -220,7 +220,7 @@ class MSOfficeParser(ZipParser):
for element in elements_to_remove: for element in elements_to_remove:
parent_map[element].remove(element) parent_map[element].remove(element)
tree.write(full_path, xml_declaration=True) tree.write(full_path, xml_declaration=True, encoding='utf-8')
return True return True
@staticmethod @staticmethod
@ -250,7 +250,7 @@ class MSOfficeParser(ZipParser):
for element in elements_to_remove: for element in elements_to_remove:
parent_map[element].remove(element) parent_map[element].remove(element)
tree.write(full_path, xml_declaration=True) tree.write(full_path, xml_declaration=True, encoding='utf-8')
return True return True
@staticmethod @staticmethod
@ -287,7 +287,7 @@ class MSOfficeParser(ZipParser):
parent_map[element].insert(position, children) parent_map[element].insert(position, children)
parent_map[element].remove(element) parent_map[element].remove(element)
tree.write(full_path, xml_declaration=True) tree.write(full_path, xml_declaration=True, encoding='utf-8')
return True return True
def __remove_content_type_members(self, full_path: str) -> bool: def __remove_content_type_members(self, full_path: str) -> bool:
@ -320,7 +320,7 @@ class MSOfficeParser(ZipParser):
if name in removed_fnames: if name in removed_fnames:
root.remove(item) root.remove(item)
tree.write(full_path, xml_declaration=True) tree.write(full_path, xml_declaration=True, encoding='utf-8')
return True return True
def _final_checks(self) -> bool: def _final_checks(self) -> bool:
@ -355,7 +355,7 @@ class MSOfficeParser(ZipParser):
for item in tree.iterfind('.//p14:creationId', namespace): for item in tree.iterfind('.//p14:creationId', namespace):
item.set('val', '%s' % random.randint(0, 2**32)) item.set('val', '%s' % random.randint(0, 2**32))
tree.write(full_path, xml_declaration=True) tree.write(full_path, xml_declaration=True, encoding='utf-8')
return True return True
@staticmethod @staticmethod
@ -371,7 +371,7 @@ class MSOfficeParser(ZipParser):
for item in tree.iterfind('.//p:sldMasterId', namespace): for item in tree.iterfind('.//p:sldMasterId', namespace):
item.set('id', '%s' % random.randint(0, 2**32)) item.set('id', '%s' % random.randint(0, 2**32))
tree.write(full_path, xml_declaration=True) tree.write(full_path, xml_declaration=True, encoding='utf-8')
return True return True
def _specific_cleanup(self, full_path: str) -> bool: def _specific_cleanup(self, full_path: str) -> bool:
@ -514,7 +514,7 @@ class LibreOfficeParser(ZipParser):
for changes in text.iterfind('.//text:tracked-changes', namespace): for changes in text.iterfind('.//text:tracked-changes', namespace):
text.remove(changes) text.remove(changes)
tree.write(full_path, xml_declaration=True) tree.write(full_path, xml_declaration=True, encoding='utf-8')
return True return True
def _specific_cleanup(self, full_path: str) -> bool: def _specific_cleanup(self, full_path: str) -> bool:

26
tests/test_libmat2.py
View File

@ -875,3 +875,29 @@ class TextDocx(unittest.TestCase):
os.remove('./tests/data/comment_clean.docx') os.remove('./tests/data/comment_clean.docx')
os.remove('./tests/data/comment_clean.cleaned.docx') os.remove('./tests/data/comment_clean.cleaned.docx')
def test_xml_is_utf8(self):
with zipfile.ZipFile('./tests/data/comment.docx') as zipin:
c = zipin.open('word/document.xml')
content = c.read()
# ensure encoding is utf-8
r = b'encoding=(\'|\")UTF-8(\'|\")'
match = re.search(r, content, re.IGNORECASE)
self.assertIsNotNone(match)
shutil.copy('./tests/data/comment.docx', './tests/data/comment_clean.docx')
p = office.MSOfficeParser('./tests/data/comment_clean.docx')
self.assertTrue(p.remove_all())
with zipfile.ZipFile('./tests/data/comment_clean.cleaned.docx') as zipin:
c = zipin.open('word/document.xml')
content = c.read()
# ensure encoding is still utf-8
r = b'encoding=(\'|\")UTF-8(\'|\")'
match = re.search(r, content, re.IGNORECASE)
self.assertIsNotNone(match)
os.remove('./tests/data/comment_clean.docx')
os.remove('./tests/data/comment_clean.cleaned.docx')