Convert PasswordEntry to Kotlin (#477)

Signed-off-by: Harsh Shandilya <msfjarvis@gmail.com>
This commit is contained in:
Harsh Shandilya 2019-02-03 16:54:15 +05:30 committed by Mohamed Zenadi
parent a819343c74
commit 86696c668c
3 changed files with 117 additions and 141 deletions

View file

@ -1,138 +0,0 @@
package com.zeapo.pwdstore;
import android.net.Uri;
import java.io.ByteArrayOutputStream;
import java.io.UnsupportedEncodingException;
/**
* A single entry in password store.
*/
public class PasswordEntry {
private static final String[] USERNAME_FIELDS = new String[]{"login", "username"};
private final String password;
private final String username;
private final String totpSecret;
private final String hotpSecret;
private final Long hotpCounter;
private final String content;
private String extraContent;
private boolean isIncremented = false;
public PasswordEntry(final ByteArrayOutputStream os) throws UnsupportedEncodingException {
this(os.toString("UTF-8"));
}
public PasswordEntry(final String decryptedContent) {
final String[] passContent = decryptedContent.split("\n", 2);
content = decryptedContent;
password = passContent[0];
totpSecret = findTotpSecret(content);
hotpSecret = findHotpSecret(content);
hotpCounter = findHotpCounter(content);
extraContent = findExtraContent(passContent);
username = findUsername();
}
public String getPassword() {
return password;
}
public String getExtraContent() {
return extraContent;
}
public String getUsername() {
return username;
}
public String getTotpSecret() {
return totpSecret;
}
public Long getHotpCounter() {
return hotpCounter;
}
public String getHotpSecret() {
return hotpSecret;
}
public boolean hasExtraContent() {
return extraContent.length() != 0;
}
public boolean hasUsername() {
return username != null;
}
public boolean hasTotp() {
return totpSecret != null;
}
public boolean hasHotp() {
return hotpSecret != null && hotpCounter != null;
}
public boolean hotpIsIncremented() {
return isIncremented;
}
public void incrementHotp() {
for (String line : content.split("\n")) {
if (line.startsWith("otpauth://hotp/")) {
extraContent = extraContent.replaceFirst("counter=[0-9]+", "counter=" + Long.toString(hotpCounter + 1));
isIncremented = true;
}
}
}
private String findUsername() {
final String[] extraLines = extraContent.split("\n");
for (String line : extraLines) {
for (String field : USERNAME_FIELDS) {
if (line.toLowerCase().startsWith(field + ":")) {
return line.split(": *", 2)[1];
}
}
}
return null;
}
private String findTotpSecret(String decryptedContent) {
for (String line : decryptedContent.split("\n")) {
if (line.startsWith("otpauth://totp/")) {
return Uri.parse(line).getQueryParameter("secret");
}
}
return null;
}
private String findHotpSecret(String decryptedContent) {
for (String line : decryptedContent.split("\n")) {
if (line.startsWith("otpauth://hotp/")) {
return Uri.parse(line).getQueryParameter("secret");
}
}
return null;
}
private Long findHotpCounter(String decryptedContent) {
for (String line : decryptedContent.split("\n")) {
if (line.startsWith("otpauth://hotp/")) {
return Long.parseLong(Uri.parse(line).getQueryParameter("counter"));
}
}
return null;
}
private String findExtraContent(String[] passContent) {
String extraContent = passContent.length > 1 ? passContent[1] : "";
// if there is a HOTP URI, we must return the extra content with the counter incremented
if (hasHotp()) {
return extraContent.replaceFirst("counter=[0-9]+", "counter=" + Long.toString(hotpCounter));
}
return extraContent;
}
}

View file

@ -0,0 +1,114 @@
package com.zeapo.pwdstore
import android.net.Uri
import java.io.ByteArrayOutputStream
import java.io.UnsupportedEncodingException
/**
* A single entry in password store.
*/
class PasswordEntry(private val content: String) {
val password: String
val username: String?
val totpSecret: String?
val hotpSecret: String?
val hotpCounter: Long?
var extraContent: String? = null
private set
private var isIncremented = false
@Throws(UnsupportedEncodingException::class)
constructor(os: ByteArrayOutputStream) : this(os.toString("UTF-8"))
init {
val passContent = content.split("\n".toRegex(), 2).toTypedArray()
password = passContent[0]
totpSecret = findTotpSecret(content)
hotpSecret = findHotpSecret(content)
hotpCounter = findHotpCounter(content)
extraContent = findExtraContent(passContent)
username = findUsername()
}
fun hasExtraContent(): Boolean {
return !extraContent.isNullOrEmpty()
}
fun hasUsername(): Boolean {
return username != null
}
fun hasTotp(): Boolean {
return totpSecret != null
}
fun hasHotp(): Boolean {
return hotpSecret != null && hotpCounter != null
}
fun hotpIsIncremented(): Boolean {
return isIncremented
}
fun incrementHotp() {
content.split("\n".toRegex()).forEach { line ->
if (line.startsWith("otpauth://hotp/")) {
extraContent = extraContent?.replaceFirst("counter=[0-9]+".toRegex(), "counter=${hotpCounter!! + 1}")
isIncremented = true
}
}
}
private fun findUsername(): String? {
val extraLines = extraContent!!.split("\n".toRegex())
for (line in extraLines) {
for (field in USERNAME_FIELDS) {
if (line.toLowerCase().startsWith("$field:")) {
return line.split(": *".toRegex(), 2).toTypedArray()[1]
}
}
}
return null
}
private fun findTotpSecret(decryptedContent: String): String? {
decryptedContent.split("\n".toRegex()).forEach { line ->
if (line.startsWith("otpauth://totp/")) {
return Uri.parse(line).getQueryParameter("secret")
}
}
return null
}
private fun findHotpSecret(decryptedContent: String): String? {
decryptedContent.split("\n".toRegex()).forEach { line ->
if (line.startsWith("otpauth://hotp/")) {
return Uri.parse(line).getQueryParameter("secret")
}
}
return null
}
private fun findHotpCounter(decryptedContent: String): Long? {
decryptedContent.split("\n".toRegex()).forEach { line ->
if (line.startsWith("otpauth://hotp/")) {
return java.lang.Long.parseLong(Uri.parse(line).getQueryParameter("counter")!!)
}
}
return null
}
private fun findExtraContent(passContent: Array<String>): String {
val extraContent = if (passContent.size > 1) passContent[1] else ""
// if there is a HOTP URI, we must return the extra content with the counter incremented
return if (hasHotp()) {
extraContent.replaceFirst("counter=[0-9]+".toRegex(), "counter=" + java.lang.Long.toString(hotpCounter!!))
} else extraContent
}
companion object {
private val USERNAME_FIELDS = arrayOf("login", "username")
}
}

View file

@ -281,7 +281,7 @@ class PgpActivity : AppCompatActivity(), OpenPgpServiceConnection.OnBound {
crypto_username_show_label.visibility = View.VISIBLE
crypto_copy_username.visibility = View.VISIBLE
crypto_copy_username.setOnClickListener { copyUsernameToClipBoard(entry.username) }
crypto_copy_username.setOnClickListener { copyUsernameToClipBoard(entry.username!!) }
crypto_username_show.typeface = monoTypeface
crypto_username_show.text = entry.username
} else {
@ -494,8 +494,8 @@ class PgpActivity : AppCompatActivity(), OpenPgpServiceConnection.OnBound {
}
private fun calculateHotp(entry: PasswordEntry) {
copyOtpToClipBoard(Otp.calculateCode(entry.hotpSecret, entry.hotpCounter + 1))
crypto_otp_show.text = Otp.calculateCode(entry.hotpSecret, entry.hotpCounter + 1)
copyOtpToClipBoard(Otp.calculateCode(entry.hotpSecret, entry.hotpCounter!! + 1))
crypto_otp_show.text = Otp.calculateCode(entry.hotpSecret, entry.hotpCounter!! + 1)
crypto_extra_show.text = entry.extraContent
}