85 lines
2.8 KiB
Python
85 lines
2.8 KiB
Python
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import logging
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from extract_msg import constants
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from extract_msg.properties import Properties
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from extract_msg.utils import properHex
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logger = logging.getLogger(__name__)
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logger.addHandler(logging.NullHandler())
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class Attachment(object):
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"""
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Developer version of the `extract_msg.attachment.Attachment` class.
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"""
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def __init__(self, msg, dir_):
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"""
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:param msg: the Message instance that the attachment belongs to.
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:param dir_: the directory inside the msg file where the attachment is located.
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"""
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object.__init__(self)
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self.__msg = msg
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self.__dir = dir_
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self.__props = Properties(
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msg._getStream([self.__dir, '__properties_version1.0']),
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constants.TYPE_ATTACHMENT)
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# Get attachment data
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if msg.Exists([dir_, '__substg1.0_37010102']):
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self.__type = 'data'
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self.__data = msg._getStream([dir_, '__substg1.0_37010102'])
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elif msg.Exists([dir_, '__substg1.0_3701000D']):
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if (self.__props['37050003'].value & 0x7) != 0x5:
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logger.log(5, 'Printing details of NotImplementedError...')
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logger.log(5, 'dir_ = {}'.format(dir_))
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logger.log(5, 'Writing properties stream to output:')
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logger.log(5, '--------Start-Properties-Stream--------\n' +
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properHex(self.__props.stream) +
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'\n---------End-Properties-Stream---------')
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logger.log(5, 'Writing directory contents to output:')
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logger.log(5, '--------Start-Directory-Content--------\n' +
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'\n'.join([repr(x) for x in msg.listDir(True, True)]))
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logger.log(5, '---------End-Directory-Content---------')
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logger.log(5, 'End of NotImplementedError details')
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else:
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self.__prefix = msg.prefixList + [dir_, '__substg1.0_3701000D']
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self.__type = 'msg'
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self.__data = msg.__class__(msg.path, self.__prefix)
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else:
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raise TypeError('Unknown attachment type.')
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@property
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def data(self):
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"""
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Returns the attachment data.
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"""
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return self.__data
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@property
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def dir(self):
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"""
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Returns the directory inside the msg file where the attachment is located.
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"""
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return self.__dir
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@property
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def msg(self):
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"""
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Returns the Message instance the attachment belongs to.
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"""
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return self.__msg
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@property
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def props(self):
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"""
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Returns the Properties instance of the attachment.
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"""
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return self.__props
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@property
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def type(self):
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"""
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Returns the type of the data.
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"""
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return self.__type
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