def _decompress(self):
if not self.is_compressed:
self.context.trace("decompress ignored")
return
content_type = self.mime_message.get_content_type().lower()
s_mime_type = self.mime_message.get_param('smime-type')
if content_type != 'application/pkcs7-mime':
raise AS2DeCompressException('decompress failed; content-type:{type} invalid',
type=content_type)
if s_mime_type != 'compressed-data':
raise AS2DecryptException('decompress failed; s/mime-type:{type} invalid', type=s_mime_type)
try:
decompress_content = self.mime_message.get_payload(decode=True)
content = SMIMEHelper.decompress_text(decompress_content)
self.mime_message = email.message_from_string(content)
self.context.trace("decompress finished")
except:
logger.exception("decompress failed; message-id: {id}".format(id=self.message_id))
raise AS2DeCompressException(
"decompress failed; due to: {message}", message=sys.exc_info()[1])
def test_decompress_text(self):
b64_decompress_content = '''ME8GCyqGSIb3DQEJEAEJoEAwPgIBADANBgsqhkiG9w0BCRADCDAqBgkqhkiG9w0BBwGgHQQbeJwL
ycgsVgCiktTiEoXc1OLixPRUPQBULQeo
'''
decompress_content = base64.decodestring(b64_decompress_content)
content = SMIMEHelper.decompress_text(decompress_content)
assert_equal(content, self.clearText)