Use a separate function to validate IP address

CURA-6483
This commit is contained in:
Lipu Fei 2019-04-29 15:52:21 +02:00
parent defcba6927
commit c8872cb4a1
4 changed files with 79 additions and 1 deletions

View file

@ -117,6 +117,8 @@ from cura.UI.AddPrinterPagesModel import AddPrinterPagesModel
from cura.UI.WelcomePagesModel import WelcomePagesModel
from cura.UI.WhatsNewPagesModel import WhatsNewPagesModel
from cura.Utils.QtUtil import QtUtil
from .SingleInstance import SingleInstance
from .AutoSave import AutoSave
from . import PlatformPhysics
@ -1028,6 +1030,8 @@ class CuraApplication(QtApplication):
qmlRegisterSingletonType(SimpleModeSettingsManager, "Cura", 1, 0, "SimpleModeSettingsManager", self.getSimpleModeSettingsManager)
qmlRegisterSingletonType(MachineActionManager.MachineActionManager, "Cura", 1, 0, "MachineActionManager", self.getMachineActionManager)
qmlRegisterType(QtUtil, "Cura", 1, 0, "QtUtil")
qmlRegisterType(WelcomePagesModel, "Cura", 1, 0, "WelcomePagesModel")
qmlRegisterType(WhatsNewPagesModel, "Cura", 1, 0, "WhatsNewPagesModel")
qmlRegisterType(AddPrinterPagesModel, "Cura", 1, 0, "AddPrinterPagesModel")

21
cura/Utils/QtUtil.py Normal file
View file

@ -0,0 +1,21 @@
# Copyright (c) 2019 Ultimaker B.V.
# Cura is released under the terms of the LGPLv3 or higher.
from typing import Optional
from PyQt5.QtCore import QObject, pyqtSlot
from . import networking
#
# Exposes the util functions to QML using a QObject.
#
class QtUtil(QObject):
def __init__(self, parent: Optional["QObject"] = None) -> None:
super().__init__(parent = parent)
@pyqtSlot(str, result = bool)
def isValidIP(self, address: str) -> bool:
return networking.isValidIP(address)

26
cura/Utils/networking.py Normal file
View file

@ -0,0 +1,26 @@
# Copyright (c) 2019 Ultimaker B.V.
# Cura is released under the terms of the LGPLv3 or higher.
import re
_REGEX_IPV4 = re.compile(r"^(?:[0-9]{1,3}\.){3}[0-9]{1,3}$")
_REGEX_IPV6 = re.compile(r"^(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))$")
# Checks if the given string is a valid IPv4 address.
def isIPv4(address: str) -> bool:
return _REGEX_IPV4.fullmatch(address) is not None
# Checks if the given string is a valid IPv6 address.
def isIPv6(address: str) -> bool:
return _REGEX_IPV6.fullmatch(address) is not None
# Checks if the given string is a valid IPv4 or IPv6 address.
def isValidIP(address: str) -> bool:
return isIPv4(address) or isIPv6(address)
__all__ = ["isIPv4", "isIPv6", "isValidIP"]

View file

@ -26,6 +26,9 @@ Item
property var discoveredPrinter: null
property var isPrinterDiscovered: discoveredPrinter != null
// For validating IP address
property var util: Cura.QtUtil{}
// Make sure to cancel the current request when this page closes.
onVisibleChanged:
{
@ -93,17 +96,36 @@ Item
anchors.verticalCenter: addPrinterButton.verticalCenter
anchors.left: parent.left
signal invalidInputDetected()
onInvalidInputDetected: invalidInputLabel.visible = true
validator: RegExpValidator
{
regExp: /((^\s*((([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]))\s*$)|(^\s*((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(%.+)?\s*$))?/
regExp: /([a-zA-Z0-9.:]+)?/
}
onTextEdited: invalidInputLabel.visible = false
placeholderText: catalog.i18nc("@text", "Place enter your printer's IP address.")
enabled: { ! (addPrinterByIpScreen.hasRequestInProgress || addPrinterByIpScreen.isPrinterDiscovered) }
onAccepted: addPrinterButton.clicked()
}
Label
{
id: invalidInputLabel
anchors.top: hostnameField.bottom
anchors.topMargin: UM.Theme.getSize("default_margin").height
anchors.left: parent.left
visible: false
text: catalog.i18nc("@text", "Place enter a valid IP address.")
font: UM.Theme.getFont("default")
color: UM.Theme.getColor("text")
renderType: Text.NativeRendering
}
Cura.SecondaryButton
{
id: addPrinterButton
@ -115,6 +137,11 @@ Item
onClicked:
{
const address = hostnameField.text
if (!util.isValidIP(address))
{
hostnameField.invalidInputDetected()
return
}
// This address is already in the discovered printer model, no need to add a manual discovery.
if (CuraApplication.getDiscoveredPrintersModel().discoveredPrintersByAddress[address])