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Merge pull request andras-adam#19 from NeoAren/nfc-data
Nfc data
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61
app/src/main/java/com/virtualtag/app/data/MifareClassicInfo.kt
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|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| package com.virtualtag.app.data | ||
|
|
||
| import android.nfc.tech.MifareClassic | ||
| import android.nfc.tech.NfcA | ||
| import android.util.Log | ||
| import com.virtualtag.app.utils.toHex | ||
| import java.io.IOException | ||
|
|
||
| class MifareClassicInfo(tag: MifareClassic) { | ||
| val timeout: Int | ||
| val maxTransceiveLength: Int | ||
| val atqa: String | ||
| val sak: Int | ||
| val size: Int | ||
| val type: Int | ||
| val sectorCount: Int | ||
| val blockCount: Int | ||
| val data: String | ||
|
|
||
| init { | ||
| timeout = tag.timeout | ||
| maxTransceiveLength = tag.maxTransceiveLength | ||
| size = tag.size | ||
| type = tag.type | ||
| sectorCount = tag.sectorCount | ||
| blockCount = tag.blockCount | ||
| // MifareClassic tags are also NfcA tags | ||
| val nfca = NfcA.get(tag.tag) | ||
| atqa = nfca.atqa.toHex() | ||
| sak = nfca.sak.toInt() | ||
| // Read memory data | ||
| data = readData(tag) | ||
| } | ||
|
|
||
| private fun readData(tag: MifareClassic): String { | ||
| try { | ||
| var dataAccumulator = "" | ||
| // Connect to the tag | ||
| tag.connect() | ||
| // Loop through sectors on the tag | ||
| for (currentSector in 0 until tag.sectorCount) { | ||
| // Authenticate sector with the default key | ||
| val auth = tag.authenticateSectorWithKeyA(currentSector, MifareClassic.KEY_DEFAULT) | ||
| if (!auth) throw IOException("Failed to authenticate sector") | ||
| // Get block count in sector | ||
| val sectorBlockCount = tag.getBlockCountInSector(currentSector) | ||
| // Loop through blocks in the sector | ||
| for (currentBlockInSector in 0 until sectorBlockCount) { | ||
| // Calculate the block's index | ||
| val blockIndex = tag.sectorToBlock(currentSector) + currentBlockInSector | ||
| // Read the block's data and store as HEX | ||
| dataAccumulator += tag.readBlock(blockIndex).toHex() | ||
| } | ||
| } | ||
| return dataAccumulator | ||
| } catch (e: IOException) { | ||
| e.localizedMessage?.let { Log.e("MifareClassicHelper", it) } | ||
| return "" | ||
| } | ||
| } | ||
| } |
52 changes: 52 additions & 0 deletions
52
app/src/main/java/com/virtualtag/app/data/MifareUltralightInfo.kt
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,52 @@ | ||
| package com.virtualtag.app.data | ||
|
|
||
| import android.nfc.tech.MifareUltralight | ||
| import android.nfc.tech.NfcA | ||
| import android.util.Log | ||
| import com.virtualtag.app.utils.toHex | ||
| import java.io.IOException | ||
|
|
||
| class MifareUltralightInfo(tag: MifareUltralight) { | ||
| val type: Int | ||
| val timeout: Int | ||
| val maxTransceiveLength: Int | ||
| val atqa: String | ||
| val sak: Int | ||
| val data: String | ||
|
|
||
| init { | ||
| type = tag.type | ||
| timeout = tag.timeout | ||
| maxTransceiveLength = tag.maxTransceiveLength | ||
| // MifareUltralight tags are also NfcA tags | ||
| val nfca = NfcA.get(tag.tag) | ||
| atqa = nfca.atqa.toHex() | ||
| sak = nfca.sak.toInt() | ||
| // Read memory data | ||
| data = readData(tag) | ||
| } | ||
|
|
||
| private fun readData(tag: MifareUltralight): String { | ||
| try { | ||
| var dataAccumulator = "" | ||
| // Connect to the tag | ||
| tag.connect() | ||
| // Get the number of readable pages | ||
| val readablePagesCount = when (type) { | ||
| // Ultralight has 16 pages, all readable | ||
| MifareUltralight.TYPE_ULTRALIGHT -> 16 | ||
| // Ultralight C has 48 pages, but the last 4 are unreadable | ||
| MifareUltralight.TYPE_ULTRALIGHT_C -> 44 | ||
| else -> 0 | ||
| } | ||
| // Read every fourth page, as 4 pages are read at a time by `readPages()` | ||
| for (currentPage in 0 until readablePagesCount) { | ||
| if (currentPage % 4 == 0) dataAccumulator += tag.readPages(currentPage).toHex() | ||
| } | ||
| return dataAccumulator | ||
| } catch (e: IOException) { | ||
| e.localizedMessage?.let { Log.e("MifareUltralightHelper", it) } | ||
| return "" | ||
| } | ||
| } | ||
| } |
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52 changes: 52 additions & 0 deletions
52
app/src/main/java/com/virtualtag/app/ui/components/DataRow.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| package com.virtualtag.app.ui.components | ||
|
|
||
| import android.widget.Toast | ||
| import androidx.compose.foundation.ExperimentalFoundationApi | ||
| import androidx.compose.foundation.combinedClickable | ||
| import androidx.compose.foundation.layout.* | ||
| import androidx.compose.material.Divider | ||
| import androidx.compose.material.Icon | ||
| import androidx.compose.material.Text | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.graphics.Color | ||
| import androidx.compose.ui.graphics.vector.ImageVector | ||
| import androidx.compose.ui.platform.ClipboardManager | ||
| import androidx.compose.ui.platform.LocalClipboardManager | ||
| import androidx.compose.ui.platform.LocalContext | ||
| import androidx.compose.ui.text.AnnotatedString | ||
| import androidx.compose.ui.text.font.FontWeight | ||
| import androidx.compose.ui.unit.dp | ||
| import com.virtualtag.app.R | ||
|
|
||
| @OptIn(ExperimentalFoundationApi::class) | ||
| @Composable | ||
| fun DataRow(title: String, content: String, icon: ImageVector) { | ||
| val context = LocalContext.current | ||
| val clipboardManager: ClipboardManager = LocalClipboardManager.current | ||
| Column(modifier = Modifier | ||
| .fillMaxWidth() | ||
| .combinedClickable( | ||
| onLongClick = { | ||
| clipboardManager.setText(AnnotatedString(content)) | ||
| Toast | ||
| .makeText(context, context.getString(R.string.clipboard), Toast.LENGTH_SHORT) | ||
| .show() | ||
| }, | ||
| onClick = { /* do nothing */ })) { | ||
| Row(modifier = Modifier | ||
| .fillMaxWidth() | ||
| .padding(top = 8.dp)) { | ||
| Icon(icon, contentDescription = null, modifier = Modifier | ||
| .size(48.dp) | ||
| .padding(horizontal = 4.dp)) | ||
| Column(modifier = Modifier | ||
| .fillMaxWidth() | ||
| .padding(top = 2.dp, end = 16.dp)) { | ||
| Text(title, fontWeight = FontWeight.Bold, modifier = Modifier.padding(bottom = 4.dp)) | ||
| Text(content, modifier = Modifier.padding(bottom = 8.dp)) | ||
| } | ||
| } | ||
| Divider(color = Color.LightGray) | ||
| } | ||
| } |
106 changes: 106 additions & 0 deletions
106
app/src/main/java/com/virtualtag/app/ui/components/MifareClassicView.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| package com.virtualtag.app.ui.components | ||
|
|
||
| import android.nfc.tech.MifareClassic | ||
| import androidx.compose.foundation.layout.fillMaxWidth | ||
| import androidx.compose.foundation.lazy.LazyColumn | ||
| import androidx.compose.material.icons.Icons | ||
| import androidx.compose.material.icons.filled.* | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.res.stringResource | ||
| import com.virtualtag.app.db.Card | ||
| import com.virtualtag.app.utils.formatHex | ||
| import com.virtualtag.app.R | ||
|
|
||
| @Composable | ||
| fun MifareClassicView(card: Card) { | ||
| val id = formatHex(card.id) | ||
| val techList = card.techList | ||
| .replace("android.nfc.tech.", "") | ||
| .replace(",", ", ") | ||
| val type = when (card.mifareClassicType ?: MifareClassic.TYPE_UNKNOWN) { | ||
| MifareClassic.TYPE_CLASSIC -> "MifareClassic Classic" | ||
| MifareClassic.TYPE_PLUS -> "MifareClassic Plus" | ||
| MifareClassic.TYPE_PRO -> "MifareClassic Pro" | ||
| else -> "MifareClassic ${stringResource(R.string.unknown)}" | ||
| } | ||
| val sectorCount = card.mifareClassicSectorCount ?: 0 | ||
| val blockCount = card.mifareClassicBlockCount ?: 0 | ||
| val size = (card.mifareClassicSize ?: 0) * MifareClassic.BLOCK_SIZE | ||
| val timeout = card.mifareClassicTimeout ?: 0 | ||
| val maxTranscieveLength = card.mifareClassicMaxTransceiveLength ?: 0 | ||
| val atqa = card.mifareClassicAtqa ?: "" | ||
| val sak = card.mifareClassicSak ?: 0 | ||
| val data = card.mifareClassicData ?: "" | ||
|
|
||
| LazyColumn(modifier = Modifier.fillMaxWidth()) { | ||
| item { | ||
| DataRow( | ||
| title = stringResource(R.string.serial_number), | ||
| content = id, | ||
| icon = Icons.Filled.Key) | ||
| } | ||
| item { | ||
| DataRow( | ||
| title = stringResource(R.string.technologies), | ||
| content = techList, | ||
| icon = Icons.Filled.Style) | ||
| } | ||
| item { | ||
| DataRow( | ||
| title = stringResource(R.string.type), | ||
| content = type, | ||
| icon = Icons.Filled.Category) | ||
| } | ||
| item { | ||
| DataRow( | ||
| title = stringResource(R.string.mem_size), | ||
| content = "$size bytes", | ||
| icon = Icons.Filled.Save) | ||
| } | ||
| item { | ||
| DataRow( | ||
| title = stringResource(R.string.mem_sector_count), | ||
| content = "$sectorCount", | ||
| icon = Icons.Filled.Save) | ||
| } | ||
| item { | ||
| DataRow( | ||
| title = stringResource(R.string.mem_block_count), | ||
| content = "$blockCount", | ||
| icon = Icons.Filled.Save) | ||
| } | ||
| item { | ||
| DataRow( | ||
| title = stringResource(R.string.transcieve_timeout), | ||
| content = "$timeout ${stringResource(R.string.ms)}", | ||
| icon = Icons.Filled.Sensors) | ||
| } | ||
| item { | ||
| DataRow( | ||
| title = stringResource(R.string.transcieve_max_length), | ||
| content = "$maxTranscieveLength ${stringResource(R.string.bytes)}", | ||
| icon = Icons.Filled.Sensors) | ||
| } | ||
| item { | ||
| DataRow( | ||
| title = stringResource(R.string.atqa), | ||
| content = atqa, | ||
| icon = Icons.Filled.Code) | ||
| } | ||
| item { | ||
| DataRow( | ||
| title = stringResource(R.string.sak), | ||
| content = "$sak", | ||
| icon = Icons.Filled.Code) | ||
| } | ||
| if (data.isNotEmpty()) { | ||
| items(blockCount) { index -> | ||
| DataRow( | ||
| title = "${stringResource(R.string.mem_block)} ${index + 1}", | ||
| content = formatHex(data.substring(index * 32, index * 32 + 32)), | ||
| icon = Icons.Filled.Memory) | ||
| } | ||
| } | ||
| } | ||
| } |
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