Rewrite pwgen package in Kotlin (#463)

* Rename classes to not be ugly as all hell

Signed-off-by: Harsh Shandilya <msfjarvis@gmail.com>

* PgpActivity: Cleanup

Signed-off-by: Harsh Shandilya <msfjarvis@gmail.com>

* Rewrite pwgen package in Kotlin

Signed-off-by: Harsh Shandilya <msfjarvis@gmail.com>

* PRNGFixes: Remove constant conditions

Signed-off-by: Harsh Shandilya <msfjarvis@gmail.com>

1 files changed, 0 insertions, 138 deletions

diff --git a/app/src/main/java/com/zeapo/pwdstore/pwgen/pwgen.java b/app/src/main/java/com/zeapo/pwdstore/pwgen/pwgen.java
deleted file mode 100644
index e08573f0..00000000
--- a/app/src/main/java/com/zeapo/pwdstore/pwgen/pwgen.java
+++ /dev/null
@@ -1,138 +0,0 @@
-package com.zeapo.pwdstore.pwgen;
-
-import android.content.Context;
-import android.content.SharedPreferences;
-
-import java.util.ArrayList;
-
-public class pwgen {
-    static final int DIGITS     = 0x0001;
-    static final int UPPERS     = 0x0002;
-    static final int SYMBOLS    = 0x0004;
-    static final int AMBIGUOUS  = 0x0008;
-    static final int NO_VOWELS  = 0x0010;
-
-    static final String DIGITS_STR = "0123456789";
-    static final String UPPERS_STR = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
-    static final String LOWERS_STR = "abcdefghijklmnopqrstuvwxyz";
-    static final String SYMBOLS_STR = "!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~";
-    static final String AMBIGUOUS_STR = "B8G6I1l0OQDS5Z2";
-    static final String VOWELS_STR = "01aeiouyAEIOUY";
-
-    // No a, c, n, h, H, C, 1, N
-    private static final String pwOptions = "0ABsvy";
-
-    /**
-     * Sets password generation preferences.
-     *
-     * @param ctx     context from which to retrieve SharedPreferences from
-     *                preferences file 'pwgen'
-     * @param argv    options for password generation
-     *                <table summary="options for password generation">
-     *                <tr><td>Option</td><td>Description</td></tr>
-     *                <tr><td>0</td><td>don't include numbers</td></tr>
-     *                <tr><td>A</td><td>don't include uppercase letters</td></tr>
-     *                <tr><td>B</td><td>don't include ambiguous charactersl</td></tr>
-     *                <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>
-     *                </table>
-     * @param numArgv numerical options for password generation: length of
-     *                generated passwords followed by number of passwords to
-     *                generate
-     * @return <code>false</code> if a numerical options is invalid,
-     * <code>true</code> otherwise
-     */
-    public static boolean setPrefs(Context ctx, ArrayList<String> argv
-            , int... numArgv) {
-        SharedPreferences prefs
-                = ctx.getSharedPreferences("pwgen", Context.MODE_PRIVATE);
-        SharedPreferences.Editor editor = prefs.edit();
-
-        for (char option : pwOptions.toCharArray()) {
-            if (argv.contains(String.valueOf(option))) {
-                editor.putBoolean(String.valueOf(option), true);
-                argv.remove(String.valueOf(option));
-            } else {
-                editor.putBoolean(String.valueOf(option), false);
-            }
-        }
-        for (int i = 0; i < numArgv.length && i < 2; i++) {
-            if (numArgv[i] <= 0) {
-                // Invalid password length or number of passwords
-                return false;
-            }
-            String name = i == 0 ? "length" : "num";
-            editor.putInt(name, numArgv[i]);
-        }
-        editor.apply();
-        return true;
-    }
-
-    /**
-     * Generates passwords using the preferences set by
-     * {@link #setPrefs(Context, ArrayList, int...)}.
-     *
-     * @param ctx context from which to retrieve SharedPreferences from
-     *            preferences file 'pwgen'
-     * @return list of generated passwords
-     */
-    public static ArrayList<String> generate(Context ctx) {
-        SharedPreferences prefs
-                = ctx.getSharedPreferences("pwgen", Context.MODE_PRIVATE);
-
-        boolean phonemes = true;
-        int pwgenFlags = DIGITS | UPPERS;
-
-        for (char option : pwOptions.toCharArray()) {
-            if (prefs.getBoolean(String.valueOf(option), false)) {
-                switch(option) {
-                    case '0':
-                        pwgenFlags &= ~DIGITS;
-                        break;
-                    case 'A':
-                        pwgenFlags &= ~UPPERS;
-                        break;
-                    case 'B':
-                        pwgenFlags |= AMBIGUOUS;
-                        break;
-                    case 's':
-                        phonemes = false;
-                        // pwgenFlags = DIGITS | UPPERS;
-                        break;
-                    case 'y':
-                        pwgenFlags |= SYMBOLS;
-                        break;
-                    case 'v':
-                        phonemes = false;
-                        pwgenFlags |= NO_VOWELS; // | DIGITS | UPPERS;
-                        break;
-                }
-            }
-        }
-
-        int length = prefs.getInt("length", 8);
-        if (length < 5) {
-            phonemes = false;
-        }
-        if (length <= 2) {
-            pwgenFlags &= ~UPPERS;
-        }
-        if (length <= 1) {
-            pwgenFlags &= ~DIGITS;
-        }
-
-        ArrayList<String> passwords = new ArrayList<>();
-        int num = prefs.getInt("num", 1);
-        for (int i = 0; i < num; i++) {
-            if (phonemes) {
-                passwords.add(pw_phonemes.phonemes(length, pwgenFlags));
-            } else {
-                passwords.add(pw_rand.rand(length, pwgenFlags));
-            }
-        }
-        return passwords;
-    }
-
-}
-