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Don't mind LaTeX commands beginning with bad names

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This commit is contained in:
Arne Ludwig 2015-07-30 11:44:47 +02:00
parent 70b7dd88ca
commit b2cf86b905
1 changed files with 6 additions and 3 deletions
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9
anki/latex.py
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@ -78,9 +78,12 @@ def _buildImg(col, latex, fname, model):
latex = latex.encode("utf8")
# it's only really secure if run in a jail, but these are the most common
tmplatex = latex.replace("\\includegraphics", "")
for bad in ("write18", "\\readline", "\\input", "\\include", "\\catcode",
"\\openout", "\\write", "\\loop", "\\def", "\\shipout"):
if bad in tmplatex:
for bad in ("write18", "\\\\readline", "\\\\input", "\\\\include",
"\\\\catcode", "\\\\openout", "\\\\write", "\\\\loop",
"\\\\def", "\\\\shipout"):
# don't mind if the sequence is only part of a command
bad_re = bad + "[^a-zA-Z]"
if re.search(bad_re, tmplatex):
return _("""\
For security reasons, '%s' is not allowed on cards. You can still use \
it by placing the command in a different package, and importing that \