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Retrieve security logs

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BinTianqi
2024-09-01 09:45:39 +08:00
parent 03a42429b6
commit 4799a15909
8 changed files with 148 additions and 57 deletions
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55
app/src/main/java/com/bintianqi/owndroid/dpm/DPM.kt
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@@ -15,7 +15,6 @@ import android.content.Intent
import android.content.pm.IPackageInstaller
import android.content.pm.PackageInstaller
import android.content.pm.PackageManager
import android.os.Build
import android.os.Build.VERSION
import androidx.activity.result.ActivityResultLauncher
import androidx.annotation.DrawableRes
@@ -320,41 +319,39 @@ fun permissionList(): List<PermissionItem>{
return list
}
@RequiresApi(Build.VERSION_CODES.O)
@RequiresApi(26)
@OptIn(ExperimentalSerializationApi::class)
fun handleNetworkLogs(context: Context, batchToken: Long) {
val events = context.getDPM().retrieveNetworkLogs(context.getReceiver(), batchToken) ?: return
val eventsList = mutableListOf<NetworkEventItem>()
val networkEvents = context.getDPM().retrieveNetworkLogs(context.getReceiver(), batchToken) ?: return
val file = context.filesDir.toPath().resolve("NetworkLogs.json")
if(file.notExists()) file.writeText("[]")
val json = Json { ignoreUnknownKeys = true; explicitNulls = false }
var jsonObj: MutableList<NetworkEventItem>
var events: MutableList<NetworkEventItem>
file.inputStream().use {
jsonObj = json.decodeFromStream(it)
events = json.decodeFromStream(it)
}
events.forEach { event ->
networkEvents.forEach { event ->
try {
val dnsEvent = event as DnsEvent
val addresses = mutableListOf<String?>()
dnsEvent.inetAddresses.forEach { inetAddresses ->
addresses += inetAddresses.hostAddress
}
eventsList += NetworkEventItem(
events += NetworkEventItem(
id = if(VERSION.SDK_INT >= 28) event.id else null, packageName = event.packageName
, timestamp = event.timestamp, type = "dns", hostName = dnsEvent.hostname,
hostAddresses = addresses, totalResolvedAddressCount = dnsEvent.totalResolvedAddressCount
)
} catch(e: Exception) {
val connectEvent = event as ConnectEvent
eventsList += NetworkEventItem(
events += NetworkEventItem(
id = if(VERSION.SDK_INT >= 28) event.id else null, packageName = event.packageName, timestamp = event.timestamp, type = "connect",
hostAddress = connectEvent.inetAddress.hostAddress, port = connectEvent.port
)
}
}
jsonObj.addAll(eventsList)
file.outputStream().use {
json.encodeToStream(jsonObj, it)
json.encodeToStream(events, it)
}
}
@@ -364,9 +361,43 @@ data class NetworkEventItem(
@SerialName("package_name") val packageName: String,
val timestamp: Long,
val type: String,
val port: Int? = null,
@SerialName("address") val hostAddress: String? = null,
val port: Int? = null,
@SerialName("host_name") val hostName: String? = null,
@SerialName("count") val totalResolvedAddressCount: Int? = null,
@SerialName("addresses") val hostAddresses: List<String?>? = null
)
@OptIn(ExperimentalSerializationApi::class)
@RequiresApi(24)
fun handleSecurityLogs(context: Context) {
val file = context.filesDir.resolve("SecurityLogs.json")
val json = Json { ignoreUnknownKeys = true; explicitNulls = false }
if(!file.exists()) file.writeText("[]")
val securityEvents = context.getDPM().retrieveSecurityLogs(context.getReceiver())
securityEvents ?: return
val logs: MutableList<SecurityEventItem>
file.inputStream().use {
logs = json.decodeFromStream(it)
}
securityEvents.forEach {
logs += SecurityEventItem(
id = if(VERSION.SDK_INT >= 28) it.id else null,
tag = it.tag, timeNanos = it.timeNanos,
logLevel = if(VERSION.SDK_INT >= 28) it.logLevel else null,
data = it.data.toString()
)
}
file.outputStream().use {
json.encodeToStream(logs, it)
}
}
@Serializable
data class SecurityEventItem(
val id: Long?,
val tag: Int,
@SerialName("time_nanos") val timeNanos: Long,
@SerialName("log_level") val logLevel: Int?,
val data: String
)