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- new class OleMetadata to parse standard properties
- added get_metadata method to OleFileIO
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decalage
Martin Panter
parent
25158fe8b1
commit
d5166fd97e
123
PIL/OleFileIO.py
123
PIL/OleFileIO.py
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@ -6,7 +6,7 @@ OleFileIO_PL:
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Microsoft Compound Document File Format), such as Microsoft Office
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documents, Image Composer and FlashPix files, Outlook messages, ...
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version 0.24 2013-05-03 Philippe Lagadec - http://www.decalage.info
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version 0.24 2013-05-05 Philippe Lagadec - http://www.decalage.info
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Project website: http://www.decalage.info/python/olefileio
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@ -24,7 +24,7 @@ WARNING: THIS IS (STILL) WORK IN PROGRESS.
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"""
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__author__ = "Philippe Lagadec, Fredrik Lundh (Secret Labs AB)"
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__date__ = "2013-05-03"
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__date__ = "2013-05-05"
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__version__ = '0.24'
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#--- LICENSE ------------------------------------------------------------------
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@ -110,9 +110,11 @@ __version__ = '0.24'
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# (https://bitbucket.org/decalage/olefileio_pl/issue/7)
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# - added close method to OleFileIO (fixed issue #2)
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# 2012-07-25 v0.23 PL: - added support for file-like objects (patch by mete0r_kr)
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# 2013-05-03 v0.24 PL: - getproperties: added conversion from filetime to python
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# 2013-05-05 v0.24 PL: - getproperties: added conversion from filetime to python
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# datetime
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# - main: displays properties with date format
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# - new class OleMetadata to parse standard properties
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# - added get_metadata method
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#-----------------------------------------------------------------------------
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@ -428,6 +430,107 @@ except NameError:
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#=== CLASSES ==================================================================
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class OleMetadata:
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"""
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class to parse and store metadata from standard properties of OLE files.
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References for SummaryInformation stream:
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- http://msdn.microsoft.com/en-us/library/dd942545.aspx
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- http://msdn.microsoft.com/en-us/library/dd925819%28v=office.12%29.aspx
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- http://msdn.microsoft.com/en-us/library/windows/desktop/aa380376%28v=vs.85%29.aspx
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- http://msdn.microsoft.com/en-us/library/aa372045.aspx
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- http://sedna-soft.de/summary-information-stream/
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- http://poi.apache.org/apidocs/org/apache/poi/hpsf/SummaryInformation.html
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References for DocumentSummaryInformation stream:
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- http://msdn.microsoft.com/en-us/library/dd945671%28v=office.12%29.aspx
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- http://msdn.microsoft.com/en-us/library/windows/desktop/aa380374%28v=vs.85%29.aspx
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- http://poi.apache.org/apidocs/org/apache/poi/hpsf/DocumentSummaryInformation.html
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"""
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# attribute names for SummaryInformation stream properties:
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SUMMARY_ATTRIBS = ['codepage', 'title', 'subject', 'author', 'keywords', 'comments',
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'template', 'last_saved_by', 'revision_number', 'total_edit_time',
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'last_printed', 'create_time', 'last_saved_time', 'num_pages',
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'num_words', 'num_chars', 'thumbnail', 'creating_application',
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'security']
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# attribute names for DocumentSummaryInformation stream properties:
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DOCSUM_ATTRIBS = ['codepage_doc', 'category', 'presentation_target', 'bytes', 'lines', 'paragraphs',
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'slides', 'notes', 'hidden_slides', 'mm_clips',
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'scale_crop', 'heading_pairs', 'titles_of_parts', 'manager',
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'company', 'links_dirty', 'chars_with_spaces', 'unused', 'shared_doc',
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'link_base', 'hlinks', 'hlinks_changed', 'version', 'dig_sig',
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'content_type', 'content_status', 'language', 'doc_version']
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def __init__(self):
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self.codepage = None
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self.title = None
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self.subject = None
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self.author = None
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self.keywords = None
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self.comments = None
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self.template = None
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self.last_saved_by = None
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self.revision_number = None
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self.total_edit_time = None
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self.last_printed = None
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self.create_time = None
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self.last_saved_time = None
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self.num_pages = None
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self.num_words = None
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self.num_chars = None
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self.thumbnail = None
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self.creating_application = None
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self.security = None
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## self. = None
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## self. = None
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## self. = None
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## self. = None
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## self. = None
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## self. = None
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## self. = None
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## self. = None
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## self. = None
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## self. = None
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## self. = None
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## self. = None
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def parse_properties(self, olefile):
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"""
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Parse standard properties of an OLE file
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"""
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if olefile.exists("\x05SummaryInformation"):
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# get properties from the stream:
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props = olefile.getproperties("\x05SummaryInformation",
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convert_time=True)
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# store them into this object's attributes:
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for i in range(len(self.SUMMARY_ATTRIBS)):
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# ids for standards properties start at 0x01, until 0x13
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value = props.get(i+1, None)
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setattr(self, self.SUMMARY_ATTRIBS[i], value)
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if olefile.exists("\x05DocumentSummaryInformation"):
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# get properties from the stream:
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props = olefile.getproperties("\x05DocumentSummaryInformation",
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convert_time=True)
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# store them into this object's attributes:
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for i in range(len(self.DOCSUM_ATTRIBS)):
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# ids for standards properties start at 0x01, until 0x13
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value = props.get(i+1, None)
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setattr(self, self.DOCSUM_ATTRIBS[i], value)
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def dump(self):
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print 'Properties from SummaryInformation stream:'
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for prop in self.SUMMARY_ATTRIBS:
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value = getattr(self, prop)
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print '- %s: %s' % (prop, value)
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print 'Properties from DocumentSummaryInformation stream:'
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for prop in self.DOCSUM_ATTRIBS:
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value = getattr(self, prop)
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print '- %s: %s' % (prop, value)
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#--- _OleStream ---------------------------------------------------------------
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class _OleStream(StringIO.StringIO):
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@ -1598,6 +1701,16 @@ class OleFileIO:
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return data
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def get_metadata(self):
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"""
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Parse standard properties streams, return an OleMetadata object
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containing all the available metadata.
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(also stored in the metadata attribute of the OleFileIO object)
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"""
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self.metadata = OleMetadata()
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self.metadata.parse_properties(self)
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return self.metadata
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#
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# --------------------------------------------------------------------
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# This script can be used to dump the directory of any OLE2 structured
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@ -1673,6 +1786,10 @@ Options:
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print 'NOT a stream : type=%d' % st_type
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print ''
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# parse and display metadata:
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meta = ole.get_metadata()
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meta.dump()
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print ''
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#[PL] Test a few new methods:
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root = ole.get_rootentry_name()
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print 'Root entry name: "%s"' % root
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