def _get_SSLP_by_ptr(self, msg_ptr, verifier=None, from_=False):
if verifier is None:
verifier = self._verify_ptr_checksums
tries = []
length = None
for from_start, length in self._possible_message_locations(msg_ptr):
# We duplicate the file descriptor here, in case other threads
# are accessing the same mailbox and moving it around, or in
# case we have multiple PartialFile objects in flight at once.
tries.append(str(from_start))
try:
start = from_start
stop = from_start + length
fd = self._get_fd()
if not from_:
fd.seek(start)
length -= len(fd.readline())
start = fd.tell()
pf = mailbox._PartialFile(fd, start, stop)
if verifier(msg_ptr, from_start, pf):
return (from_start, start, length, pf)
except IOError:
pass
err = '%s: %s %s@%s' % (_('Message not found'), msg_ptr, length,
'/'.join(tries))
raise IOError(err)
def get_file_by_ptr(self, msg_ptr):
parts = msg_ptr[MBX_ID_LEN:].split(':')
start = int(parts[0], 36)
length = int(parts[1], 36)
# Make sure we can actually read the message
cs1k = self.get_msg_cs1k(start, length)
if len(parts) > 2 and cs1k != parts[2][:4]:
raise IOError('Message not found')
return mailbox._PartialFile(self._file, start, start+length)
def get_file_by_ptr(self, msg_ptr):
parts, start, length = self._parse_ptr(msg_ptr)
# Make sure we can actually read the message
cs80b = self.get_msg_cs80b(start, length)
if len(parts) > 2:
cs1k = self.get_msg_cs1k(start, length)
cs = parts[2][:4]
if (cs1k != cs and cs80b != cs):
raise IOError(_('Message not found'))
# We duplicate the file descriptor here, in case other threads are
# accessing the same mailbox and moving it around, or in case we have
# multiple PartialFile objects in flight at once.
return mailbox._PartialFile(self._get_fd(), start, start + length)
def get_file_by_ptr(self, msg_ptr):
parts = msg_ptr[MBX_ID_LEN:].split(':')
start = int(parts[0], 36)
length = int(parts[1], 36)
# Make sure we can actually read the message
cs80b = self.get_msg_cs80b(start, length)
if len(parts) > 2:
cs1k = self.get_msg_cs1k(start, length)
cs = parts[2][:4]
if (cs1k != cs and cs80b != cs):
raise IOError(_('Message not found'))
# We duplicate the file descriptor here, in case other threads are
# accessing the same mailbox and moving it around, or in case we have
# multiple PartialFile objects in flight at once.
return mailbox._PartialFile(self._get_fd(), start, start + length)
def get_file_by_ptr(self, msg_ptr):
parts = msg_ptr[MBX_ID_LEN:].split(":")
start = int(parts[0], 36)
length = int(parts[1], 36)
# Make sure we can actually read the message
cs80b = self.get_msg_cs80b(start, length)
if len(parts) > 2:
cs1k = self.get_msg_cs1k(start, length)
cs = parts[2][:4]
if cs1k != cs and cs80b != cs:
raise IOError(_("Message not found"))
# We duplicate the file descriptor here, in case other threads are
# accessing the same mailbox and moving it around, or in case we have
# multiple PartialFile objects in flight at once.
return mailbox._PartialFile(self._get_fd(), start, start + length)
def get_file_by_ptr(self, msg_ptr):
start, length = msg_ptr[3:].split(':')
start = int(start, 36)
length = int(length, 36)
return mailbox._PartialFile(self._file, start, start+length)