204 lines
7.2 KiB
Python
204 lines
7.2 KiB
Python
"""
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The validator for address and passphrase QLineEdits
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used in `.dialogs.NewChanDialog`.
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"""
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# pylint: disable=too-many-arguments
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from Queue import Empty
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from qtpy import QtGui
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from account import getSortedAccounts
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from addresses import decodeAddress, addBMIfNotPresent
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from queues import addressGeneratorQueue, apiAddressGeneratorReturnQueue
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from tr import _translate
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from utils import str_chan
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class AddressPassPhraseValidatorMixin(object):
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"""Bitmessage address or passphrase validator class for Qt UI"""
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def setParams(
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self, passPhraseObject=None, addressObject=None,
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feedBackObject=None, button=None, addressMandatory=True
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):
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"""Initialization"""
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self.addressObject = addressObject
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self.passPhraseObject = passPhraseObject
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self.feedBackObject = feedBackObject
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self.addressMandatory = addressMandatory
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self.isValid = False
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# save default text
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self.okButton = button
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self.okButtonLabel = button.text()
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def setError(self, string):
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"""Indicate that the validation is pending or failed"""
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if string is not None and self.feedBackObject is not None:
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font = QtGui.QFont()
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font.setBold(True)
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self.feedBackObject.setFont(font)
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self.feedBackObject.setStyleSheet("QLabel { color : red; }")
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self.feedBackObject.setText(string)
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self.isValid = False
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if self.okButton:
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self.okButton.setEnabled(False)
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if string is not None and self.feedBackObject is not None:
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self.okButton.setText(
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_translate("AddressValidator", "Invalid"))
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else:
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self.okButton.setText(
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_translate("AddressValidator", "Validating..."))
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def setOK(self, string):
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"""Indicate that the validation succeeded"""
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if string is not None and self.feedBackObject is not None:
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font = QtGui.QFont()
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font.setBold(False)
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self.feedBackObject.setFont(font)
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self.feedBackObject.setStyleSheet("QLabel { }")
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self.feedBackObject.setText(string)
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self.isValid = True
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if self.okButton:
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self.okButton.setEnabled(True)
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self.okButton.setText(self.okButtonLabel)
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def checkQueue(self):
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"""Validator queue loop"""
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gotOne = False
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# wait until processing is done
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if not addressGeneratorQueue.empty():
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self.setError(None)
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return None
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while True:
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try:
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addressGeneratorReturnValue = \
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apiAddressGeneratorReturnQueue.get(False)
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except Empty:
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if gotOne:
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break
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else:
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return None
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else:
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gotOne = True
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if not addressGeneratorReturnValue:
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self.setError(_translate(
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"AddressValidator",
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"Address already present as one of your identities."
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))
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return
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if addressGeneratorReturnValue[0] == \
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'chan name does not match address':
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self.setError(_translate(
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"AddressValidator",
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"Although the Bitmessage address you entered was valid,"
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" it doesn\'t match the chan name."
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))
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return
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self.setOK(_translate(
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"MainWindow", "Passphrase and address appear to be valid."))
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def returnValid(self):
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"""Return the value of whether the validation was successful"""
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return QtGui.QValidator.Acceptable if self.isValid \
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else QtGui.QValidator.Intermediate
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def validate(self, s, pos):
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"""Top level validator method"""
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try:
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address = self.addressObject.text().encode('utf-8')
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except AttributeError:
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address = None
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try:
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passPhrase = self.passPhraseObject.text().encode('utf-8')
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except AttributeError:
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passPhrase = ""
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# no chan name
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if not passPhrase:
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self.setError(_translate(
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"AddressValidator",
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"Chan name/passphrase needed. You didn't enter a chan name."
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))
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return (QtGui.QValidator.Intermediate, s, pos)
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if self.addressMandatory or address:
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# check if address already exists:
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if address in getSortedAccounts():
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self.setError(_translate(
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"AddressValidator",
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"Address already present as one of your identities."
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))
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return (QtGui.QValidator.Intermediate, s, pos)
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status = decodeAddress(address)[0]
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# version too high
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if status == 'versiontoohigh':
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self.setError(_translate(
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"AddressValidator",
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"Address too new. Although that Bitmessage address"
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" might be valid, its version number is too new"
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" for us to handle. Perhaps you need to upgrade"
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" Bitmessage."
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))
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return (QtGui.QValidator.Intermediate, s, pos)
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# invalid
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if status != 'success':
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self.setError(_translate(
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"AddressValidator",
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"The Bitmessage address is not valid."
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))
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return (QtGui.QValidator.Intermediate, s, pos)
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# this just disables the OK button without changing the feedback text
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# but only if triggered by textEdited, not by clicking the Ok button
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if not self.okButton.hasFocus():
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self.setError(None)
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# check through generator
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if not address:
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addressGeneratorQueue.put((
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'createChan', 4, 1,
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str_chan + ' ' + passPhrase, passPhrase, False
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))
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else:
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addressGeneratorQueue.put((
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'joinChan', addBMIfNotPresent(address),
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"{} {}".format(str_chan, passPhrase), passPhrase, False
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))
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if self.okButton.hasFocus():
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return (self.returnValid(), s, pos)
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else:
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return (QtGui.QValidator.Intermediate, s, pos)
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def checkData(self):
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"""Validator Qt signal interface"""
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return self.validate(u"", 0)
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class AddressValidator(QtGui.QValidator, AddressPassPhraseValidatorMixin):
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"""AddressValidator class for Qt UI"""
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def __init__(
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self, parent=None, passPhraseObject=None, feedBackObject=None,
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button=None, addressMandatory=True
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):
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super(AddressValidator, self).__init__(parent)
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self.setParams(
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passPhraseObject, parent, feedBackObject, button,
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addressMandatory)
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class PassPhraseValidator(QtGui.QValidator, AddressPassPhraseValidatorMixin):
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"""PassPhraseValidator class for Qt UI"""
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def __init__(
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self, parent=None, addressObject=None, feedBackObject=None,
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button=None, addressMandatory=False
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):
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super(PassPhraseValidator, self).__init__(parent)
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self.setParams(
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parent, addressObject, feedBackObject, button,
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addressMandatory)
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