59 lines
2.0 KiB
Python
59 lines
2.0 KiB
Python
import re
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import subprocess
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import json
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import zipfile
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import tempfile
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import shutil
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import os
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from . import abstract, parser_factory
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class LibreOfficeParser(abstract.AbstractParser):
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mimetypes = {
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'application/vnd.oasis.opendocument.text',
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'application/vnd.oasis.opendocument.spreadsheet',
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'application/vnd.oasis.opendocument.presentation',
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'application/vnd.oasis.opendocument.graphics',
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'application/vnd.oasis.opendocument.chart'
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}
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def get_meta(self):
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"""
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Yes, I know that parsing xml with regexp ain't pretty,
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be my guest and fix it if you want.
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"""
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metadata = {}
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zipin = zipfile.ZipFile(self.filename)
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for item in zipin.namelist():
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if item == 'meta.xml':
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content = zipin.read(item).decode('utf-8')
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for (key, value) in re.findall(r"<((?:meta|dc).+?)>(.+)</\1>", content, re.I):
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metadata[key] = value
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if not metadata: # better safe than sorry
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metadata[item] = 'harmful content'
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zipin.close()
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return metadata
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def remove_all(self):
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zin = zipfile.ZipFile(self.filename, 'r')
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zout = zipfile.ZipFile(self.output_filename, 'w')
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temp_folder = tempfile.mkdtemp()
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for item in zin.infolist():
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if item.filename[-1] == '/':
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continue # `is_dir` is added in Python3.6
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elif item.filename == 'meta.xml':
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continue # don't keep metadata files
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zin.extract(member=item, path=temp_folder)
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tmp_parser = parser_factory.get_parser(os.path.join(temp_folder, item.filename))
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if tmp_parser is None:
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print("%s isn't supported" % item.filename)
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continue
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tmp_parser.remove_all()
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zout.write(tmp_parser.output_filename, item.filename)
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shutil.rmtree(temp_folder)
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zout.close()
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zin.close()
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return True
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