def addObserver(self, observer):
"""Add an observer."""
Observable.addObserver(self, observer)
# If self.startOnDemand is True, the reader monitoring
# thread only runs when there are observers.
if self.startOnDemand:
if 0 < self.countObservers():
if not self.rmthread:
self.rmthread = ReaderMonitoringThread(
self, self.readerProc, self.period)
# start reader monitoring thread in another thread to
# avoid a deadlock; addObserver and notifyObservers called
# in the ReaderMonitoringThread run() method are
# synchronized
try:
# Python 3.x
import _thread
_thread.start_new_thread(self.rmthread.start, ())
except:
# Python 2.x
import thread
thread.start_new_thread(self.rmthread.start, ())
else:
observer.update(self, (self.rmthread.readers, []))
def addObserver(self, observer):
"""Add an observer."""
Observable.addObserver(self, observer)
# If self.startOnDemand is True, the reader monitoring
# thread only runs when there are observers.
if self.startOnDemand:
if 0 < self.countObservers():
if not self.rmthread:
self.rmthread = ReaderMonitoringThread(self,
self.readerProc, self.period)
# start reader monitoring thread in another thread to
# avoid a deadlock; addObserver and notifyObservers called
# in the ReaderMonitoringThread run() method are
# synchronized
try:
# Python 3.x
import _thread
_thread.start_new_thread(self.rmthread.start, ())
except:
# Python 2.x
import thread
thread.start_new_thread(self.rmthread.start, ())
else:
observer.update(self, (self.rmthread.readers, []))
def deleteObserver(self, observer):
"""Remove an observer."""
Observable.deleteObserver(self, observer)
# If self.startOnDemand is True, the reader monitoring
# thread is stopped when there are no more observers.
if self.startOnDemand:
if 0 == self.countObservers():
self.rmthread.stop()
del self.rmthread
self.rmthread = None
def deleteObserver(self, observer):
"""Remove an observer."""
Observable.deleteObserver(self, observer)
# If self.startOnDemand is True, the reader monitoring
# thread is stopped when there are no more observers.
if self.startOnDemand:
if 0 == self.countObservers():
self.rmthread.stop()
del self.rmthread
self.rmthread = None
def connect(self, protocol=None, mode=None, disposition=None):
"""Connect to card.
protocol: a bit mask of the protocols to use, from
CardConnection.T0_protocol, CardConnection.T1_protocol,
CardConnection.RAW_protocol, CardConnection.T15_protocol
mode: passed as-is to the PC/SC layer
"""
Observable.setChanged(self)
Observable.notifyObservers(self, CardConnectionEvent('connect'))
def connect(self, protocol=None, mode=None, disposition=None):
"""Connect to card.
protocol: a bit mask of the protocols to use, from
CardConnection.T0_protocol, CardConnection.T1_protocol,
CardConnection.RAW_protocol, CardConnection.T15_protocol
mode: passed as-is to the PC/SC layer
"""
Observable.setChanged(self)
Observable.notifyObservers(self, CardConnectionEvent('connect'))
def __init__(self, reader):
"""Construct a new card connection.
readerName: name of the reader in which the smartcard to connect
to is located.
"""
Observable.__init__(self)
self.reader = reader
self.errorcheckingchain = None
self.defaultprotocol = CardConnection.T0_protocol | CardConnection.T1_protocol
def deleteObserver(self, observer):
"""Remove an observer.
We delete the CardMonitoringThread reference when there
are no more observers.
"""
Observable.deleteObserver(self, observer)
if _START_ON_DEMAND_:
if self.countObservers() == 0:
if self.rmthread != None:
self.rmthread = None
def deleteObserver(self, observer):
"""Remove an observer.
We delete the CardMonitoringThread reference when there
are no more observers.
"""
Observable.deleteObserver(self, observer)
if _START_ON_DEMAND_:
if self.countObservers() == 0:
if self.rmthread != None:
self.rmthread = None
def __init__(self, startOnDemand=True, readerProc=smartcard.System.readers, period=1):
self.__dict__ = self.__shared_state
Observable.__init__(self)
self.startOnDemand = startOnDemand
self.readerProc = readerProc
self.period = period
if self.startOnDemand:
self.rmthread = None
else:
self.rmthread = ReaderMonitoringThread(self, self.readerProc, self.period)
self.rmthread.start()
def addObserver(self, observer):
"""Add an observer.
We only start the card monitoring thread when
there are observers.
"""
Observable.addObserver(self, observer)
if _START_ON_DEMAND_:
if self.countObservers() > 0 and self.rmthread is None:
self.rmthread = CardMonitoringThread(self)
else:
observer.update(self, (self.rmthread.cards, []))
def addObserver(self, observer):
"""Add an observer.
We only start the card monitoring thread when
there are observers.
"""
Observable.addObserver(self, observer)
if _START_ON_DEMAND_:
if self.countObservers() > 0 and self.rmthread == None:
self.rmthread = CardMonitoringThread(self)
else:
observer.update(self, (self.rmthread.cards, []))
def getAttrib(self, attribId):
"""return the requested attribute
@param attribId: attribute id like SCARD_ATTR_VENDOR_NAME
"""
Observable.setChanged(self)
Observable.notifyObservers(self,
CardConnectionEvent('attrib', [attribId]))
data = self.doGetAttrib(attribId)
if None != self.errorcheckingchain:
self.errorcheckingchain[0](data)
return data
def transmit(self, bytes, protocol=None):
"""Transmit an apdu. Internally calls doTransmit() class method
and notify observers upon command/response APDU events.
Subclasses must override the doTransmit() class method.
bytes: list of bytes to transmit
protocol: the transmission protocol, from
CardConnection.T0_protocol,
CardConnection.T1_protocol, or
CardConnection.RAW_protocol
"""
Observable.setChanged(self)
Observable.notifyObservers(self,
CardConnectionEvent(
'command',
[bytes, protocol]))
data, sw1, sw2 = self.doTransmit(bytes, protocol)
Observable.setChanged(self)
Observable.notifyObservers(self,
CardConnectionEvent(
'response',
[data, sw1, sw2]))
if None != self.errorcheckingchain:
self.errorcheckingchain[0](data, sw1, sw2)
return data, sw1, sw2
def reconnect(self, protocol=None, mode=None, disposition=None):
"""Reconnect to card.
@param protocol: a bit mask of the protocols to use, from
L{CardConnection.T0_protocol}, L{CardConnection.T1_protocol},
L{CardConnection.RAW_protocol}, L{CardConnection.T15_protocol}
@param mode: SCARD_SHARE_SHARED (default), SCARD_SHARE_EXCLUSIVE or
SCARD_SHARE_DIRECT
@param disposition: SCARD_LEAVE_CARD, SCARD_RESET_CARD (default),
SCARD_UNPOWER_CARD or SCARD_EJECT_CARD
"""
Observable.setChanged(self)
Observable.notifyObservers(self, CardConnectionEvent('reconnect'))
def transmit(self, bytes, protocol=None):
"""Transmit an apdu. Internally calls doTransmit() class method
and notify observers upon command/response APDU events.
Subclasses must override the doTransmit() class method.
@param bytes: list of bytes to transmit
@param protocol: the transmission protocol, from
CardConnection.T0_protocol,
CardConnection.T1_protocol, or
CardConnection.RAW_protocol
"""
Observable.setChanged(self)
Observable.notifyObservers(self,
CardConnectionEvent(
'command',
[bytes, protocol]))
data, sw1, sw2 = self.doTransmit(bytes, protocol)
Observable.setChanged(self)
Observable.notifyObservers(self,
CardConnectionEvent(
'response',
[data, sw1, sw2]))
if self.errorcheckingchain is not None:
self.errorcheckingchain[0](data, sw1, sw2)
return data, sw1, sw2
def getAttrib(self, attribId):
"""return the requested attribute
attribId: attribute id like SCARD_ATTR_VENDOR_NAME
"""
Observable.setChanged(self)
Observable.notifyObservers(self,
CardConnectionEvent(
'attrib',
[attribId]))
data = self.doGetAttrib(attribId)
if None != self.errorcheckingchain:
self.errorcheckingchain[0](data)
return data
def connect(self, protocol=None, mode=None, disposition=None):
"""Connect to card.
protocol: a bit mask of the protocols to use, from
CardConnection.T0_protocol, CardConnection.T1_protocol,
CardConnection.RAW_protocol, CardConnection.T15_protocol
mode: SCARD_SHARE_SHARED (default), SCARD_SHARE_EXCLUSIVE or
SCARD_SHARE_DIRECT
disposition: SCARD_LEAVE_CARD (default), SCARD_RESET_CARD,
SCARD_UNPOWER_CARD or SCARD_EJECT_CARD
"""
Observable.setChanged(self)
Observable.notifyObservers(self, CardConnectionEvent('connect'))
def __init__(self,
startOnDemand=True,
readerProc=smartcard.System.readers,
period=1):
self.__dict__ = self.__shared_state
Observable.__init__(self)
self.startOnDemand = startOnDemand
self.readerProc = readerProc
self.period = period
if self.startOnDemand:
self.rmthread = None
else:
self.rmthread = ReaderMonitoringThread(self, self.readerProc,
self.period)
self.rmthread.start()
def control(self, controlCode, bytes=[]):
"""Send a control command and buffer. Internally calls doControl()
class method and notify observers upon command/response events.
Subclasses must override the doControl() class method.
controlCode: command code
bytes: list of bytes to transmit
"""
Observable.setChanged(self)
Observable.notifyObservers(self, CardConnectionEvent('command', [controlCode, bytes]))
data = self.doControl(controlCode, bytes)
Observable.setChanged(self)
Observable.notifyObservers(self, CardConnectionEvent('response', data))
if None != self.errorcheckingchain:
self.errorcheckingchain[0](data)
return data
def deleteObserver(self, observer):
"""Remove a CardConnection observer."""
Observable.deleteObserver(self, observer)
def addObserver(self, observer):
"""Add a CardConnection observer."""
Observable.addObserver(self, observer)
def disconnect(self):
"""Disconnect from card."""
Observable.setChanged(self)
Observable.notifyObservers(self, CardConnectionEvent('disconnect'))
def __init__(self):
Observable.__init__(self)
if _START_ON_DEMAND_:
self.rmthread = None
else:
self.rmthread = CardMonitoringThread(self)
def __init__(self):
Observable.__init__(self)
if _START_ON_DEMAND_:
self.rmthread = None
else:
self.rmthread = CardMonitoringThread(self)
def disconnect(self):
"""Disconnect from card."""
Observable.setChanged(self)
Observable.notifyObservers(self, CardConnectionEvent('disconnect'))
def deleteObserver(self, observer):
"""Remove a CardConnection observer."""
Observable.deleteObserver(self, observer)
def addObserver(self, observer):
"""Add a CardConnection observer."""
Observable.addObserver(self, observer)
