Add reset functionality

py/yubikey.py

@@ -127,7 +127,6 @@ class Controller(object):
     def _calculate_all(self, timestamp, password_key):
         dev = self._descriptor.open_device(TRANSPORT.CCID)
         controller = OathController(dev.driver)
-
         if controller.locked and password_key is not None:
             controller.validate(password_key)
         creds = controller.calculate_all(timestamp)
@@ -146,7 +145,6 @@ class Controller(object):
         key += '=' * (-len(key) % 8)  # Support unpadded
         return b32decode(key)
 
-
     def parse_qr(self, screenshots):
         for s in screenshots:
             data = b64decode(s['data'])
@@ -154,6 +152,11 @@ class Controller(object):
             for qr in qrparse.parse_qr_codes(image, 2):
                 return parse_uri(qrdecode.decode_qr_data(qr))
 
+    def reset(self):
+        dev = self._descriptor.open_device(TRANSPORT.CCID)
+        controller = OathController(dev.driver)
+        controller.reset()
+
 
 class PixelImage(object):
 

qml/Main.qml

@@ -64,6 +64,10 @@ ApplicationWindow {
                 text: qsTr('Set password...')
                 onTriggered: setPassword.open()
             }
+            MenuItem {
+                text: qsTr('Reset...')
+                onTriggered: reset.open()
+            }
             MenuItem {
                 text: qsTr("Exit")
                 onTriggered: Qt.quit()
@@ -111,7 +115,6 @@ ApplicationWindow {
         text: qsTr("Password confirmation does not match password.")
         standardButtons: StandardButton.Ok
         onAccepted: setPassword.open()
-
     }
 
     MessageDialog {
@@ -122,6 +125,18 @@ ApplicationWindow {
         standardButtons: StandardButton.Ok
     }
 
+    MessageDialog {
+        id: reset
+        icon: StandardIcon.Critical
+        title: qsTr("Reset OATH functionality")
+        text: qsTr("This will delete all OATH credentials stored on the device, and reset the password. This action cannot be undone. Are you sure you want to reset the device?")
+        standardButtons: StandardButton.Ok | StandardButton.Cancel
+        onAccepted: {
+            device.reset()
+            device.refreshCredentials()
+        }
+    }
+
     MouseArea {
         enabled: device.hasDevice
         anchors.fill: parent

qml/YubiKey.qml

@@ -201,4 +201,8 @@ Python {
     function parseQr(screenShots, cb) {
         do_call('yubikey.controller.parse_qr', [screenShots], cb)
     }
+
+    function reset() {
+        do_call('yubikey.controller.reset', [])
+    }
 }