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Disable compression by entry attachment in DatabaseV4

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J-Jamet
2020-08-27 19:04:58 +02:00
parent 3aeb678292
commit 7d79fff16f
1 changed files with 41 additions and 21 deletions
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62
app/src/main/java/com/kunzisoft/keepass/database/element/database/DatabaseKDBX.kt
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@@ -42,6 +42,7 @@ import com.kunzisoft.keepass.database.element.node.NodeVersioned
import com.kunzisoft.keepass.database.element.security.EncryptionAlgorithm
import com.kunzisoft.keepass.database.element.security.MemoryProtectionConfig
import com.kunzisoft.keepass.database.exception.UnknownKDF
import com.kunzisoft.keepass.database.file.DatabaseHeaderKDBX
import com.kunzisoft.keepass.database.file.DatabaseHeaderKDBX.Companion.FILE_VERSION_32_3
import com.kunzisoft.keepass.database.file.DatabaseHeaderKDBX.Companion.FILE_VERSION_32_4
import com.kunzisoft.keepass.utils.UnsignedInt
@@ -176,32 +177,51 @@ class DatabaseKDBX : DatabaseVersioned<UUID, UUID, GroupKDBX, EntryKDBX> {
fun changeBinaryCompression(oldCompression: CompressionAlgorithm,
newCompression: CompressionAlgorithm) {
binaryPool.doForEachBinary { binary ->
try {
when (oldCompression) {
CompressionAlgorithm.None -> {
when (newCompression) {
CompressionAlgorithm.None -> {
}
CompressionAlgorithm.GZip -> {
// To compress, create a new binary with file
binary.compress(BUFFER_SIZE_BYTES)
}
}
}
when (oldCompression) {
CompressionAlgorithm.None -> {
when (newCompression) {
CompressionAlgorithm.None -> {}
CompressionAlgorithm.GZip -> {
when (newCompression) {
CompressionAlgorithm.None -> {
// To decompress, create a new binary with file
binary.decompress(BUFFER_SIZE_BYTES)
}
CompressionAlgorithm.GZip -> {
}
// Only in databaseV3.1, in databaseV4 the header is zipped during the save
if (kdbxVersion.toKotlinLong() < FILE_VERSION_32_4.toKotlinLong()) {
compressAllBinaries()
}
}
}
}
CompressionAlgorithm.GZip -> {
// In databaseV4 the header is zipped during the save, so not necessary here
if (kdbxVersion.toKotlinLong() >= FILE_VERSION_32_4.toKotlinLong()) {
decompressAllBinaries()
} else {
when (newCompression) {
CompressionAlgorithm.None -> {
decompressAllBinaries()
}
CompressionAlgorithm.GZip -> {}
}
}
}
}
}
private fun compressAllBinaries() {
binaryPool.doForEachBinary { binary ->
try {
// To compress, create a new binary with file
binary.compress(BUFFER_SIZE_BYTES)
} catch (e: Exception) {
Log.e(TAG, "Unable to change compression for $binary", e)
Log.e(TAG, "Unable to compress $binary", e)
}
}
}
private fun decompressAllBinaries() {
binaryPool.doForEachBinary { binary ->
try {
binary.decompress(BUFFER_SIZE_BYTES)
} catch (e: Exception) {
Log.e(TAG, "Unable to decompress $binary", e)
}
}
}