/usr/lib/python2.7/dist-packages/wstools/MIMEAttachment.py is in python-wstools 0.4.3-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#I had to rewrite this class because the python MIME email.mime (version 2.5)
#are buggy, they use \n instead \r\n for new line which is not compliant
#to standard!
# http://bugs.python.org/issue5525
#TODO do not load all the message in memory stream it from the disk
import re
import random
import sys
#new line
NL = '\r\n'
_width = len(repr(sys.maxint - 1))
_fmt = '%%0%dd' % _width
class MIMEMessage:
def __init__(self):
self._files = []
self._xmlMessage = ""
self._startCID = ""
self._boundary = ""
def makeBoundary(self):
#create the boundary
msgparts = []
msgparts.append(self._xmlMessage)
for i in self._files:
msgparts.append(i.read())
#this sucks, all in memory
alltext = NL.join(msgparts)
self._boundary = _make_boundary(alltext)
#maybe I can save some memory
del alltext
del msgparts
self._startCID = "<" + (_fmt % random.randrange(sys.maxint)) + (_fmt % random.randrange(sys.maxint)) + ">"
def toString(self):
'''it return a string with the MIME message'''
if len(self._boundary) == 0:
#the makeBoundary hasn't been called yet
self.makeBoundary()
#ok we have everything let's start to spit the message out
#first the XML
returnstr = NL + "--" + self._boundary + NL
returnstr += "Content-Type: text/xml; charset=\"us-ascii\"" + NL
returnstr += "Content-Transfer-Encoding: 7bit" + NL
returnstr += "Content-Id: " + self._startCID + NL + NL
returnstr += self._xmlMessage + NL
#then the files
for file in self._files:
returnstr += "--" + self._boundary + NL
returnstr += "Content-Type: application/octet-stream" + NL
returnstr += "Content-Transfer-Encoding: binary" + NL
returnstr += "Content-Id: <" + str(id(file)) + ">" + NL + NL
file.seek(0)
returnstr += file.read() + NL
#closing boundary
returnstr += "--" + self._boundary + "--" + NL
return returnstr
def attachFile(self, file):
'''
it adds a file to this attachment
'''
self._files.append(file)
def addXMLMessage(self, xmlMessage):
'''
it adds the XML message. we can have only one XML SOAP message
'''
self._xmlMessage = xmlMessage
def getBoundary(self):
'''
this function returns the string used in the mime message as a
boundary. First the write method as to be called
'''
return self._boundary
def getStartCID(self):
'''
This function returns the CID of the XML message
'''
return self._startCID
def _make_boundary(text=None):
#some code taken from python stdlib
# Craft a random boundary. If text is given, ensure that the chosen
# boundary doesn't appear in the text.
token = random.randrange(sys.maxint)
boundary = ('=' * 10) + (_fmt % token) + '=='
if text is None:
return boundary
b = boundary
counter = 0
while True:
cre = re.compile('^--' + re.escape(b) + '(--)?$', re.MULTILINE)
if not cre.search(text):
break
b = boundary + '.' + str(counter)
counter += 1
return b
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