2019-04-26 12:07:55 +02:00
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import json
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import binascii
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import np
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2019-04-26 12:14:56 +02:00
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import pdftotext
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2019-04-26 12:07:55 +02:00
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import io
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misperrors = {'error': 'Error'}
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mispattributes = {'input': ['attachment'],
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'output': ['freetext', 'text']}
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moduleinfo = {'version': '0.1', 'author': 'Sascha Rommelfangen',
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'description': 'PDF to freetext-import IOC extractor',
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'module-type': ['expansion']}
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moduleconfig = []
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def handler(q=False):
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if q is False:
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return False
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q = json.loads(q)
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filename = q['attachment']
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try:
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pdf_array = np.frombuffer(binascii.a2b_base64(q['data']), np.uint8)
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except Exception as e:
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print(e)
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err = "Couldn't fetch attachment (JSON 'data' is empty). Are you using the 'Query enrichment' action?"
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misperrors['error'] = err
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print(err)
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return misperrors
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pdf_file = io.BytesIO(pdf_array)
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try:
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pdf_content = "\n\n".join(pdftotext.PDF(pdf_file))
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return {'results': [{'types': ['freetext'], 'values': pdf_content, 'comment': "PDF-to-text from file " + filename}]}
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except Exception as e:
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print(e)
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err = "Couldn't analyze file as PDF. Error was: " + str(e)
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misperrors['error'] = err
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return misperrors
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def introspection():
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return mispattributes
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def version():
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moduleinfo['config'] = moduleconfig
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return moduleinfo
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