arti/Estonian-ID-card-mobile-authenticator-POC
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More specific errors and notifications

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This commit is contained in:
stargateprovider 2021-12-04 21:22:54 +02:00
parent 1037d672d5
commit dbc758fb14
6 changed files with 30 additions and 12 deletions
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3
MobileAuthApp/app/src/main/java/com/tarkvaraprojekt/mobileauthapp/AuthFragment.kt
View File

@ -120,6 +120,9 @@ class AuthFragment : Fragment() {
viewModel.deleteCan(requireContext())
} catch (e: AuthAppException) {
msgCode = when (e.code) {
400 -> R.string.err_parameter
401 -> R.string.err_authentication
446 -> R.string.err_card_locked
448 -> R.string.err_bad_data
500 -> R.string.err_internal
else -> R.string.err_unknown

14
MobileAuthApp/app/src/main/java/com/tarkvaraprojekt/mobileauthapp/CanFragment.kt
View File

@ -71,6 +71,14 @@ class CanFragment : Fragment() {
findNavController().navigate(action)
}
/**
* Saves the entered CAN and notifies the user about it
*/
private fun saveCan() {
viewModel.storeCan(requireContext())
Toast.makeText(requireContext(), getString(R.string.can_status_saved), Toast.LENGTH_SHORT).show()
}
/**
* Checks whether the user has entered a 6 digit can to the input field.
* If yes then the user is allowed to continue otherwise the user is
@ -81,7 +89,7 @@ class CanFragment : Fragment() {
if (enteredCan.length == 6) {
viewModel.setUserCan(enteredCan)
if (args.saving) {
viewModel.storeCan(requireContext())
saveCan()
goToTheStart()
} else {
val storeCanQuestion = getDialog()
@ -103,9 +111,7 @@ class CanFragment : Fragment() {
builder.apply {
// If response is positive then save the CAN on the device.
setPositiveButton(R.string.save_text) { _, _ ->
viewModel.storeCan(
requireContext()
)
saveCan()
goToTheNextFragment()
}
setNegativeButton(R.string.deny_text) { _, _ ->

16
MobileAuthApp/app/src/main/java/com/tarkvaraprojekt/mobileauthapp/NFC/Comms.java
View File

@ -159,7 +159,7 @@ public class Comms {
private byte[] getResponse(byte[] APDU, String log) throws IOException {
byte[] response = idCard.transceive(APDU);
if (response[response.length - 2] != (byte) 0x90 || response[response.length - 1] != 0x00) {
throw new RuntimeException(String.format("%s failed.", log));
throw new AuthAppException(String.format("%s failed.", log), 500);
}
Log.i(log, Hex.toHexString(response));
return response;
@ -227,7 +227,7 @@ public class Comms {
selectFile(FID, info);
byte[] response = getResponse(new byte[0], readFile, "Read binary");
if (response[response.length - 2] != (byte) 0x90 || response[response.length - 1] != 0x00) {
throw new RuntimeException(String.format("Could not read %s", info));
throw new AuthAppException(String.format("Could not read %s", info), 500);
}
return encryptDecryptData(Arrays.copyOfRange(response, 3, 19), Cipher.DECRYPT_MODE);
}
@ -296,7 +296,7 @@ public class Comms {
private void selectFile(byte[] FID, String info) throws NoSuchPaddingException, InvalidKeyException, NoSuchAlgorithmException, IllegalBlockSizeException, BadPaddingException, InvalidAlgorithmParameterException, IOException {
byte[] response = getResponse(FID, selectFile, String.format("Select %s", info));
if (response[response.length - 2] != (byte) 0x90 || response[response.length - 1] != 0x00) {
throw new RuntimeException(String.format("Could not select %s", info));
throw new AuthAppException(String.format("Could not select %s", info), 500);
}
}
@ -354,9 +354,9 @@ public class Comms {
if (response[response.length - 2] != (byte) 0x90 || response[response.length - 1] != 0x00) {
if (response[response.length - 2] == 0x69 && response[response.length - 1] == (byte) 0x83) {
throw new RuntimeException("Invalid PIN. Authentication method blocked.");
throw new AuthAppException("Invalid PIN. Authentication method blocked.", 446);
} else {
throw new RuntimeException(String.format("Invalid PIN. Attempts left: %d.", response[response.length - 1] + 64));
throw new AuthAppException(String.format("Invalid PIN. Attempts left: %d.", response[response.length - 1] + 64), 401);
}
}
}
@ -385,7 +385,7 @@ public class Comms {
readCert[3] = (byte) (certificate.length % 256);
byte[] response = getResponse(new byte[0], readCert, "Read the certificate");
if (response[response.length - 2] == 0x6b && response[response.length - 1] == 0x00) {
throw new RuntimeException("Wrong read parameters.");
throw new AuthAppException("Wrong read parameters.", 400);
}
// Set the range containing a portion of the certificate and decrypt it
@ -420,7 +420,7 @@ public class Comms {
byte[] response = getResponse(Env, MSESetEnv, "Set environment");
if (response[response.length - 2] != (byte) 0x90 || response[response.length - 1] != 0x00) {
throw new RuntimeException("Setting the environment failed.");
throw new AuthAppException("Setting the environment failed.", 500);
}
InternalAuthenticate[4] = (byte) (0x1d + 16 * (token.length / 16));
@ -428,7 +428,7 @@ public class Comms {
response = getResponse(token, InternalAuthenticate, "Internal Authenticate");
if (response[response.length - 2] != (byte) 0x90 || response[response.length - 1] != 0x00) {
throw new RuntimeException("Signing the token failed.");
throw new AuthAppException("Signing the token failed.", 500);
}
byte[] signature = encryptDecryptData(Arrays.copyOfRange(response, 3, 115), Cipher.DECRYPT_MODE);

3
MobileAuthApp/app/src/main/res/values-en/strings.xml
View File

@ -80,4 +80,7 @@
<string name="err_reading_card">Failed to read data from the ID-card</string>
<string name="err_internal">Internal error</string>
<string name="err_bad_data">Read bad data from the ID-card, try using the card again</string>
<string name="err_parameter">Required parameter is missing or invalid</string>
<string name="err_authentication">Failed to authenticate</string>
<string name="err_card_locked">Card locked</string>
</resources>

3
MobileAuthApp/app/src/main/res/values-et/strings.xml
View File

@ -78,4 +78,7 @@
<string name="err_reading_card">Ei saanud ID-kaardilt andmeid lugeda</string>
<string name="err_internal">Rakendusesisene viga</string>
<string name="err_bad_data">ID-kaardilt loeti vigased andmed, proovi uuesti kaarti kasutada</string>
<string name="err_parameter">Vigane või puuduv parameeter</string>
<string name="err_authentication">Autentimine ebaõnnestus</string>
<string name="err_card_locked">Kaart lukus</string>
</resources>

3
MobileAuthApp/app/src/main/res/values/strings.xml
View File

@ -78,4 +78,7 @@
<string name="err_reading_card">Failed to read data from the ID-card</string>
<string name="err_internal">Internal error</string>
<string name="err_bad_data">Read bad data from the ID-card, try using the card again</string>
<string name="err_parameter">Required parameter is missing or invalid</string>
<string name="err_authentication">Failed to authenticate</string>
<string name="err_card_locked">Card locked</string>
</resources>