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Allow to create passwords without lowercase letters. (#478)

Browse source 
* Clipboard now is cleared after manual copy

* Spanish translation added

* Spanish translations for commit messages updated

* Now can generate passwords free of lowercase (for example only numbers, uppercase or symbols)

Also it makes sure that uppercase is included when the generated char is ambiguous and discarded
This commit is contained in:
reroman 2019-02-03 05:22:12 -06:00 committed by Mohamed Zenadi
parent 723a40a216
commit a819343c74
7 changed files with 89 additions and 16 deletions
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25
app/src/main/java/com/zeapo/pwdstore/PasswordGeneratorDialogFragment.java
View file

@ -13,9 +13,13 @@ import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
import androidx.appcompat.app.AlertDialog;
import androidx.fragment.app.DialogFragment;
import com.zeapo.pwdstore.pwgen.PasswordGenerator;
import org.jetbrains.annotations.NotNull;
import java.util.ArrayList;
@ -53,6 +57,9 @@ public class PasswordGeneratorDialogFragment extends DialogFragment {
checkBox = view.findViewById(R.id.uppercase);
checkBox.setChecked(!prefs.getBoolean("A", false));
checkBox = view.findViewById(R.id.lowercase);
checkBox.setChecked(!prefs.getBoolean("L", false));
checkBox = view.findViewById(R.id.ambiguous);
checkBox.setChecked(!prefs.getBoolean("B", false));
@ -79,12 +86,22 @@ public class PasswordGeneratorDialogFragment extends DialogFragment {
final AlertDialog ad = builder.setTitle(this.getResources().getString(R.string.pwgen_title)).create();
ad.setOnShowListener(dialog -> {
setPreferences();
passwordText.setText(PasswordGenerator.INSTANCE.generate(getActivity().getApplicationContext()).get(0));
try {
passwordText.setText(PasswordGenerator.INSTANCE.generate(getActivity().getApplicationContext()).get(0));
} catch (PasswordGenerator.PasswordGeneratorExeption e) {
Toast.makeText(getActivity(), e.getMessage(), Toast.LENGTH_SHORT).show();
passwordText.setText("");
}
Button b = ad.getButton(AlertDialog.BUTTON_NEUTRAL);
b.setOnClickListener(v -> {
setPreferences();
passwordText.setText(PasswordGenerator.INSTANCE.generate(callingActivity.getApplicationContext()).get(0));
try {
passwordText.setText(PasswordGenerator.INSTANCE.generate(callingActivity.getApplicationContext()).get(0));
} catch (PasswordGenerator.PasswordGeneratorExeption e) {
Toast.makeText(getActivity(), e.getMessage(), Toast.LENGTH_SHORT).show();
passwordText.setText("");
}
});
});
return ad;
@ -107,6 +124,10 @@ public class PasswordGeneratorDialogFragment extends DialogFragment {
if (!((CheckBox) getDialog().findViewById(R.id.pronounceable)).isChecked()) {
preferences.add("s");
}
if (!((CheckBox) getDialog().findViewById(R.id.lowercase)).isChecked()) {
preferences.add("L");
}
EditText editText = getDialog().findViewById(R.id.lengthNumber);
try {
int length = Integer.valueOf(editText.getText().toString());

39
app/src/main/java/com/zeapo/pwdstore/pwgen/PasswordGenerator.kt
View file

@ -1,15 +1,19 @@
package com.zeapo.pwdstore.pwgen
import android.content.Context
import com.zeapo.pwdstore.R
import java.util.ArrayList
object PasswordGenerator {
internal const val DIGITS = 0x0001
internal const val UPPERS = 0x0002
internal const val SYMBOLS = 0x0004
internal const val AMBIGUOUS = 0x0008
internal const val NO_VOWELS = 0x0010
internal const val LOWERS = 0x0020
internal const val DIGITS_STR = "0123456789"
internal const val UPPERS_STR = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
@ -19,7 +23,7 @@ object PasswordGenerator {
internal const val VOWELS_STR = "01aeiouyAEIOUY"
// No a, c, n, h, H, C, 1, N
private const val pwOptions = "0ABsvy"
private const val pwOptions = "0ABsvyL"
/**
* Sets password generation preferences.
@ -35,6 +39,7 @@ object PasswordGenerator {
* <tr><td>s</td><td>generate completely random passwords</td></tr>
* <tr><td>v</td><td>don't include vowels</td></tr>
* <tr><td>y</td><td>include at least one symbol</td></tr>
* <tr><td>L</td><td>don't include lowercase letters</td></tr>
</table> *
* @param numArgv numerical options for password generation: length of
* generated passwords followed by number of passwords to
@ -76,17 +81,19 @@ object PasswordGenerator {
* preferences file 'PasswordGenerator'
* @return list of generated passwords
*/
@Throws(PasswordGenerator.PasswordGeneratorExeption::class)
fun generate(ctx: Context): ArrayList<String> {
val prefs = ctx.getSharedPreferences("PasswordGenerator", Context.MODE_PRIVATE)
var phonemes = true
var pwgenFlags = DIGITS or UPPERS
var pwgenFlags = DIGITS or UPPERS or LOWERS
for (option in pwOptions.toCharArray()) {
if (prefs.getBoolean(option.toString(), false)) {
when (option) {
'0' -> pwgenFlags = pwgenFlags and DIGITS.inv()
'A' -> pwgenFlags = pwgenFlags and UPPERS.inv()
'L' -> pwgenFlags = pwgenFlags and LOWERS.inv()
'B' -> pwgenFlags = pwgenFlags or AMBIGUOUS
's' -> phonemes = false
'y' -> pwgenFlags = pwgenFlags or SYMBOLS
@ -99,15 +106,27 @@ object PasswordGenerator {
}
val length = prefs.getInt("length", 8)
if (length < 5) {
var numCategories = 0
var categories = pwgenFlags and AMBIGUOUS.inv()
while (categories != 0) {
if (categories and 1 == 1)
numCategories++
categories = categories shr 1
}
if (numCategories == 0) {
throw PasswordGeneratorExeption(ctx.resources.getString(R.string.pwgen_no_chars_error))
}
if (length < numCategories) {
throw PasswordGeneratorExeption(ctx.resources.getString(R.string.pwgen_length_too_short_error))
}
if ((pwgenFlags and UPPERS) == 0 && (pwgenFlags and LOWERS) == 0) { // Only digits and/or symbols
phonemes = false
pwgenFlags = pwgenFlags and AMBIGUOUS.inv()
} else if (length < 5) {
phonemes = false
}
if (length <= 2) {
pwgenFlags = pwgenFlags and UPPERS.inv()
}
if (length <= 1) {
pwgenFlags = pwgenFlags and DIGITS.inv()
}
val passwords = ArrayList<String>()
val num = prefs.getInt("num", 1)
@ -120,5 +139,7 @@ object PasswordGenerator {
}
return passwords
}
public class PasswordGeneratorExeption(string: String) : Exception(string)
}

15
app/src/main/java/com/zeapo/pwdstore/pwgen/Phonemes.kt
View file

@ -65,6 +65,7 @@ internal object Phonemes {
* <tr><td>1</td><td>include at least one uppercase letter</td></tr>
* <tr><td>2</td><td>include at least one symbol</td></tr>
* <tr><td>3</td><td>don't include ambiguous characters</td></tr>
* <tr><td>5</td><td>include at least one lowercase letter</td></tr>
</table> *
* @return the generated password
*/
@ -119,7 +120,8 @@ internal object Phonemes {
// Handle UPPERS
if (pwFlags and PasswordGenerator.UPPERS > 0) {
if ((first || flags and CONSONANT > 0) && RandomNumberGenerator.number(10) < 2) {
if ((pwFlags and PasswordGenerator.LOWERS == 0) ||
(first || flags and CONSONANT > 0) && RandomNumberGenerator.number(10) < 2) {
val index = password.length - length
password = password.substring(0, index) + str.toUpperCase()
featureFlags = featureFlags and PasswordGenerator.UPPERS.inv()
@ -131,6 +133,17 @@ internal object Phonemes {
for (ambiguous in PasswordGenerator.AMBIGUOUS_STR.toCharArray()) {
if (password.contains(ambiguous.toString())) {
password = password.substring(0, curSize)
// Still have upper letters
if ((pwFlags and PasswordGenerator.UPPERS) > 0) {
featureFlags = featureFlags or PasswordGenerator.UPPERS
for (upper in PasswordGenerator.UPPERS_STR.toCharArray()) {
if (password.contains(upper.toString())) {
featureFlags = featureFlags and PasswordGenerator.UPPERS.inv()
break
}
}
}
break
}
}

10
app/src/main/java/com/zeapo/pwdstore/pwgen/RandomPasswordGenerator.kt
View file

@ -15,6 +15,7 @@ internal object RandomPasswordGenerator {
* <tr><td>2</td><td>include at least one symbol</td></tr>
* <tr><td>3</td><td>don't include ambiguous characters</td></tr>
* <tr><td>4</td><td>don't include vowels</td></tr>
* <tr><td>5</td><td>include at least one lowercase</td></tr>
</table> *
* @return the generated password
*/
@ -33,7 +34,9 @@ internal object RandomPasswordGenerator {
if (pwFlags and PasswordGenerator.UPPERS > 0) {
bank += PasswordGenerator.UPPERS_STR
}
bank += PasswordGenerator.LOWERS_STR
if (pwFlags and PasswordGenerator.LOWERS > 0) {
bank += PasswordGenerator.LOWERS_STR
}
if (pwFlags and PasswordGenerator.SYMBOLS > 0) {
bank += PasswordGenerator.SYMBOLS_STR
}
@ -65,8 +68,11 @@ internal object RandomPasswordGenerator {
if (PasswordGenerator.SYMBOLS_STR.contains(`val`)) {
featureFlags = featureFlags and PasswordGenerator.SYMBOLS.inv()
}
if (PasswordGenerator.LOWERS_STR.contains(`val`)) {
featureFlags = featureFlags and PasswordGenerator.LOWERS.inv()
}
}
} while (featureFlags and (PasswordGenerator.UPPERS or PasswordGenerator.DIGITS or PasswordGenerator.SYMBOLS) > 0)
} while (featureFlags and (PasswordGenerator.UPPERS or PasswordGenerator.DIGITS or PasswordGenerator.SYMBOLS or PasswordGenerator.LOWERS) > 0)
return password
}
}

10
app/src/main/res/layout/fragment_pwgen.xml
View file

@ -62,10 +62,10 @@
android:text="@string/pwgen_uppercase" />
<CheckBox
android:id="@+id/ambiguous"
android:id="@+id/lowercase"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/pwgen_ambiguous" />
android:text="@string/pwgen_lowercase" />
</LinearLayout>
@ -97,6 +97,12 @@
android:layout_height="wrap_content"
android:text="@string/pwgen_pronounceable" />
<CheckBox
android:id="@+id/ambiguous"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/pwgen_ambiguous" />
</LinearLayout>
</LinearLayout>
</LinearLayout>

3
app/src/main/res/values-es/strings.xml
View file

@ -166,8 +166,11 @@
<string name="pwgen_numerals">Números</string>
<string name="pwgen_symbols">Símbolos</string>
<string name="pwgen_uppercase">Mayúsculas</string>
<string name="pwgen_lowercase">Minúsculas</string>
<string name="pwgen_ambiguous">Caracteres ambiguos</string>
<string name="pwgen_pronounceable">Pronunciable</string>
<string name="pwgen_no_chars_error">No se han incluído caracteres</string>
<string name="pwgen_length_too_short_error">Longitud demasiado corta para el criterio seleccionado</string>
<!-- ssh keygen fragment -->
<string name="ssh_keygen_length">Longitud</string>

3
app/src/main/res/values/strings.xml
View file

@ -180,8 +180,11 @@
<string name="pwgen_numerals">Numerals</string>
<string name="pwgen_symbols">Symbols</string>
<string name="pwgen_uppercase">Uppercase</string>
<string name="pwgen_lowercase">Lowercase</string>
<string name="pwgen_ambiguous">Ambiguous</string>
<string name="pwgen_pronounceable">Pronounceable</string>
<string name="pwgen_no_chars_error">No characters included</string>
<string name="pwgen_length_too_short_error">Length too short for selected criteria</string>
<!-- ssh keygen fragment -->
<string name="ssh_keygen_length">Length</string>