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annotate detectors/emailauditor.py @ 5305:e20f472fde7d

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issue2550799: provide basic support for handling html only emails Initial implementation and testing with the dehtml html converter done. The use of beautifulsoup 4 is not tested. My test system breaks when running dehtml.py using beautiful soup. I don't get the failures when running under the test harness, but the text output is significantly different (different line breaks, number of newlines etc.) The tests for dehtml need to be generated for beautiful soup and the expected output changed. Since I have a wonky install of beautiful soup, I don't trust my output as the standard to test against. Also since beautiful soup is optional, the test harness needs to skip the beautifulsoup tests if import bs4 fails. Again something outside of my expertise. I deleted the work I had done to implement that. I could not get it working and wanted to get this feature in in some form.
author John Rouillard <rouilj@ieee.org>
date Fri, 13 Oct 2017 21:46:59 -0400
parents 6b32e9dac625
children 0942fe89e82e
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2 def eml_to_mht(db, cl, nodeid, newvalues):
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3 '''This auditor fires whenever a new file entity is created.
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5 If the file is of type message/rfc822, we tack onthe extension .eml.
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7 The reason for this is that Microsoft Internet Explorer will not open
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8 things with a .eml attachment, as they deem it 'unsafe'. Worse yet,
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9 they'll just give you an incomprehensible error message. For more
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10 information, please see:
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12 http://support.microsoft.com/default.aspx?scid=kb;EN-US;825803
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14 Their suggested work around is (excerpt):
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16 WORKAROUND
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18 To work around this behavior, rename the .EML file that the URL
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19 links to so that it has a .MHT file name extension, and then update
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20 the URL to reflect the change to the file name. To do this:
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22 1. In Windows Explorer, locate and then select the .EML file that
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23 the URL links.
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24 2. Right-click the .EML file, and then click Rename.
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25 3. Change the file name so that the .EML file uses a .MHT file name
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26 extension, and then press ENTER.
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27 4. Updated the URL that links to the file to reflect the new file
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28 name extension.
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30 So... we do that. :)'''
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31 if newvalues.get('type', '').lower() == "message/rfc822":
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32 if not newvalues.has_key('name'):
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33 newvalues['name'] = 'email.mht'
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34 return
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35 name = newvalues['name']
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36 if name.endswith('.eml'):
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37 name = name[:-4]
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38 newvalues['name'] = name + '.mht'
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40 def init(db):
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41 db.file.audit('create', eml_to_mht)
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