AUXI2/DroidFS
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Fix password encoding

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This commit is contained in:
Matéo Duparc 2023-04-24 13:37:14 +02:00
parent 9d1bfd606f
commit e83cfc9794
Signed by untrusted user: hardcoresushi
GPG Key ID: AFE384344A45E13A
2 changed files with 15 additions and 3 deletions
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7
app/src/main/java/sushi/hardcore/droidfs/util/WidgetUtil.kt
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@ -9,10 +9,11 @@ object WidgetUtil {
fun encodeEditTextContent(editText: EditText): ByteArray {
val charArray = CharArray(editText.text.length)
editText.text.getChars(0, editText.text.length, charArray, 0)
val byteArray = StandardCharsets.UTF_8.encode(
CharBuffer.wrap(charArray)
).array()
val byteBuffer = StandardCharsets.UTF_8.encode(CharBuffer.wrap(charArray))
Arrays.fill(charArray, Char.MIN_VALUE)
val byteArray = ByteArray(byteBuffer.remaining())
byteBuffer.get(byteArray)
Wiper.wipe(byteBuffer)
return byteArray
}
}

11
app/src/main/java/sushi/hardcore/droidfs/util/Wiper.kt
View File

@ -8,10 +8,21 @@ import sushi.hardcore.droidfs.Constants
import sushi.hardcore.droidfs.R
import java.io.File
import java.io.FileOutputStream
import java.nio.ByteBuffer
import java.util.*
import kotlin.math.ceil
object Wiper {
fun wipe(byteBuffer: ByteBuffer) {
if (byteBuffer.hasArray()) {
Arrays.fill(byteBuffer.array(), Byte.MIN_VALUE)
} else {
for (i in 0 until byteBuffer.limit()) {
byteBuffer.put(i, Byte.MIN_VALUE)
}
}
}
private const val buff_size = 4096
fun wipe(context: Context, uri: Uri): String? {
val cursor = context.contentResolver.query(uri, null, null, null, null)