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Massive refactor - separate settings reload/webui and the image server

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This commit is contained in:
carbotaniuman 2020-08-11 11:47:04 -05:00
parent bf4192d584
commit 398ab05788
12 changed files with 516 additions and 530 deletions
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5
src/main/kotlin/mdnet/base/Main.kt
View file

@ -56,7 +56,10 @@ object Main {
}
val client = MangaDexClient(file)
Runtime.getRuntime().addShutdownHook(Thread { client.shutdown() })
Runtime.getRuntime().addShutdownHook(Thread {
client.shutdown()
(LoggerFactory.getILoggerFactory() as LoggerContext).stop()
})
client.runLoop()
}

447
src/main/kotlin/mdnet/base/MangaDexClient.kt
View file

@ -19,7 +19,7 @@ along with this MangaDex@Home. If not, see <http://www.gnu.org/licenses/>.
/* ktlint-disable no-wildcard-imports */
package mdnet.base
import ch.qos.logback.classic.LoggerContext
import com.fasterxml.jackson.core.JsonParser
import com.fasterxml.jackson.core.JsonProcessingException
import com.fasterxml.jackson.databind.ObjectMapper
import com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException
@ -27,349 +27,106 @@ import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
import com.fasterxml.jackson.module.kotlin.readValue
import java.io.File
import java.io.FileReader
import java.io.FileWriter
import java.io.IOException
import java.time.Instant
import java.util.*
import java.util.concurrent.CountDownLatch
import java.lang.AssertionError
import java.util.concurrent.Executors
import java.util.concurrent.TimeUnit
import java.util.concurrent.atomic.AtomicBoolean
import java.util.concurrent.atomic.AtomicReference
import java.util.regex.Pattern
import mdnet.base.Main.dieWithError
import mdnet.base.data.Statistics
import mdnet.base.server.getServer
import mdnet.base.server.getUiServer
import mdnet.base.settings.ClientSettings
import mdnet.base.settings.ServerSettings
import mdnet.base.settings.*
import mdnet.cache.DiskLruCache
import mdnet.cache.HeaderMismatchException
import org.http4k.server.Http4kServer
import org.slf4j.LoggerFactory
private const val CLIENT_KEY_LENGTH = 52
// Exception class to handle when Client Settings have invalid values
class ClientSettingsException(message: String) : Exception(message)
sealed class State
// server is not running
data class Uninitialized(val clientSettings: ClientSettings) : State()
// server has shut down
object Shutdown : State()
// server is in the process of shutting down
data class GracefulShutdown(val lastRunning: Running, val counts: Int = 0, val nextState: State = Uninitialized(lastRunning.clientSettings), val action: () -> Unit = {}) : State()
// server is currently running
data class Running(val server: Http4kServer, val settings: ServerSettings, val clientSettings: ClientSettings) : State()
class MangaDexClient(private val clientSettingsFile: String) {
// this must remain singlethreaded because of how the state mechanism works
private val executorService = Executors.newSingleThreadScheduledExecutor()
// state must only be accessed from the thread on the executorService
private var state: State
private var serverHandler: ServerHandler
private val statsMap: MutableMap<Instant, Statistics> = Collections
.synchronizedMap(object : LinkedHashMap<Instant, Statistics>(240) {
override fun removeEldestEntry(eldest: Map.Entry<Instant, Statistics>): Boolean {
return this.size > 240
}
})
private val statistics: AtomicReference<Statistics> = AtomicReference(
Statistics()
)
private val isHandled: AtomicBoolean = AtomicBoolean(false)
private var webUi: Http4kServer? = null
// just for scheduling one task, so single-threaded
private val executor = Executors.newSingleThreadScheduledExecutor()
private val cache: DiskLruCache
private var settings: ClientSettings
private var imageServer: ServerManager? = null
private var webUi: Http4kServer? = null
init {
// Read ClientSettings
val clientSettings = try {
settings = try {
readClientSettings()
} catch (e: UnrecognizedPropertyException) {
dieWithError("'${e.propertyName}' is not a valid setting")
} catch (e: JsonProcessingException) {
dieWithError(e)
} catch (ignored: IOException) {
ClientSettings().also {
LOGGER.warn { "Settings file $clientSettingsFile not found, generating file" }
try {
FileWriter(clientSettingsFile).use { writer -> JACKSON.writeValue(writer, it) }
} catch (e: IOException) {
dieWithError(e)
}
}
} catch (e: ClientSettingsException) {
dieWithError(e)
} catch (e: IOException) {
dieWithError(e)
}
// Initialize things that depend on Client Settings
LOGGER.info { "Client settings loaded: $clientSettings" }
state = Uninitialized(clientSettings)
serverHandler = ServerHandler(clientSettings)
// Initialize everything else
try {
cache = DiskLruCache.open(
File("cache"), 1, 1,
(clientSettings.maxCacheSizeInMebibytes * 1024 * 1024 * 0.8).toLong() /* MiB to bytes */
(settings.maxCacheSizeInMebibytes * 1024 * 1024 * 0.8).toLong() /* MiB to bytes */
)
cache.get("statistics")?.use {
try {
statistics.set(JACKSON.readValue<Statistics>(it.getInputStream(0)))
} catch (_: JsonProcessingException) {
cache.remove("statistics")
}
}
} catch (e: HeaderMismatchException) {
LOGGER.warn { "Cache version may be outdated - remove if necessary" }
dieWithError(e)
} catch (e: IOException) {
LOGGER.warn { "Cache may be corrupt - remove if necessary" }
dieWithError(e)
}
}
fun runLoop() {
loginAndStartServer()
statsMap[Instant.now()] = statistics.get()
startWebUi()
LOGGER.info { "Mangadex@Home Client initialized. Starting normal operation." }
LOGGER.info { "Mangadex@Home Client initialized - starting normal operation." }
executorService.scheduleAtFixedRate({
executor.scheduleWithFixedDelay({
try {
if (state is Running || state is GracefulShutdown || state is Uninitialized) {
statistics.updateAndGet {
it.copy(bytesOnDisk = cache.size())
}
statsMap[Instant.now()] = statistics.get()
val editor = cache.edit("statistics")
if (editor != null) {
JACKSON.writeValue(editor.newOutputStream(0), statistics.get())
editor.commit()
}
}
} catch (e: Exception) {
LOGGER.warn(e) { "Statistics update failed" }
}
}, 15, 15, TimeUnit.SECONDS)
var lastBytesSent = statistics.get().bytesSent
executorService.scheduleAtFixedRate({
try {
lastBytesSent = statistics.get().bytesSent
val state = this.state
if (state is GracefulShutdown) {
LOGGER.info { "Aborting graceful shutdown started due to hourly bandwidth limit" }
this.state = state.lastRunning
}
if (state is Uninitialized) {
LOGGER.info { "Restarting server stopped due to hourly bandwidth limit" }
loginAndStartServer()
}
} catch (e: Exception) {
LOGGER.warn(e) { "Hourly bandwidth check failed" }
}
}, 1, 1, TimeUnit.HOURS)
executorService.scheduleAtFixedRate({
try {
val state = this.state
if (state is GracefulShutdown) {
val timesToWait = state.lastRunning.clientSettings.gracefulShutdownWaitSeconds / 15
when {
state.counts == 0 -> {
LOGGER.info { "Starting graceful shutdown" }
logout()
isHandled.set(false)
this.state = state.copy(counts = state.counts + 1)
}
state.counts == timesToWait || !isHandled.get() -> {
if (!isHandled.get()) {
LOGGER.info { "No requests received, shutting down" }
} else {
LOGGER.info { "Max tries attempted (${state.counts} out of $timesToWait), shutting down" }
}
stopServer(state.nextState)
state.action()
}
else -> {
LOGGER.info {
"Waiting another 15 seconds for graceful shutdown (${state.counts} out of $timesToWait)"
}
isHandled.set(false)
this.state = state.copy(counts = state.counts + 1)
}
}
}
} catch (e: Exception) {
LOGGER.warn(e) { "Main loop failed" }
}
}, 15, 15, TimeUnit.SECONDS)
executorService.scheduleWithFixedDelay({
try {
val state = this.state
if (state is Running) {
val currentBytesSent = statistics.get().bytesSent - lastBytesSent
if (state.clientSettings.maxMebibytesPerHour != 0L && state.clientSettings.maxMebibytesPerHour * 1024 * 1024 /* MiB to bytes */ < currentBytesSent) {
LOGGER.info { "Shutting down server as hourly bandwidth limit reached" }
this.state = GracefulShutdown(lastRunning = state)
} else {
pingControl()
}
}
} catch (e: Exception) {
LOGGER.warn(e) { "Graceful shutdown checker failed" }
}
}, 45, 45, TimeUnit.SECONDS)
// Check every minute to see if client settings have changed
executorService.scheduleWithFixedDelay({
try {
val state = this.state
if (state is Running) {
reloadClientSettings()
}
reloadClientSettings()
} catch (e: Exception) {
LOGGER.warn(e) { "Reload of ClientSettings failed" }
}
}, 60, 60, TimeUnit.SECONDS)
}, 1, 1, TimeUnit.MINUTES)
}
private fun pingControl() {
val state = this.state as Running
val newSettings = serverHandler.pingControl(state.settings)
if (newSettings != null) {
LOGGER.info { "Server settings received: $newSettings" }
if (newSettings.latestBuild > Constants.CLIENT_BUILD) {
LOGGER.warn {
"Outdated build detected! Latest: ${newSettings.latestBuild}, Current: ${Constants.CLIENT_BUILD}"
}
}
if (newSettings.tls != null || newSettings.imageServer != state.settings.imageServer) {
// certificates or upstream url must have changed, restart webserver
LOGGER.info { "Doing internal restart of HTTP server to refresh certs/upstream URL" }
this.state = GracefulShutdown(lastRunning = state) {
loginAndStartServer()
}
}
} else {
LOGGER.info { "Server ping failed - ignoring" }
}
}
private fun loginAndStartServer() {
val state = this.state as Uninitialized
val serverSettings = serverHandler.loginToControl()
?: dieWithError("Failed to get a login response from server - check API secret for validity")
val server = getServer(cache, serverSettings, state.clientSettings, statistics, isHandled).start()
if (serverSettings.latestBuild > Constants.CLIENT_BUILD) {
LOGGER.warn {
"Outdated build detected! Latest: ${serverSettings.latestBuild}, Current: ${Constants.CLIENT_BUILD}"
}
}
this.state = Running(server, serverSettings, state.clientSettings)
LOGGER.info { "Internal HTTP server was successfully started" }
}
private fun logout() {
serverHandler.logoutFromControl()
}
private fun stopServer(nextState: State) {
val state = this.state.let {
when (it) {
is Running ->
it
is GracefulShutdown ->
it.lastRunning
else ->
throw AssertionError()
}
}
LOGGER.info { "Shutting down HTTP server" }
state.server.stop()
LOGGER.info { "Internal HTTP server has shut down" }
this.state = nextState
}
/**
* Starts the WebUI if the ClientSettings demand it.
* This method checks if the WebUI is needed,
*/
// Precondition: settings must be filled with up-to-date settings and `imageServer` must not be null
private fun startWebUi() {
val state = this.state
// Grab the client settings if available
val clientSettings = state.let {
when (it) {
is Running ->
it.clientSettings
is Uninitialized ->
it.clientSettings
else ->
null
}
}
settings.webSettings?.let { webSettings ->
val imageServer = requireNotNull(imageServer)
// Only start the Web UI if the settings demand it
if (clientSettings?.webSettings != null) {
webUi = getUiServer(clientSettings.webSettings, statistics, statsMap)
webUi!!.start()
if (webUi != null) throw AssertionError()
webUi = getUiServer(webSettings, imageServer.statistics, imageServer.statsMap).also {
it.start()
}
LOGGER.info { "WebUI was successfully started" }
}
}
/**
* Shutdowns the MangaDexClient
*/
fun shutdown() {
LOGGER.info { "Mangadex@Home Client stopping" }
val latch = CountDownLatch(1)
executorService.schedule({
val state = this.state
if (state is Running) {
this.state = GracefulShutdown(state, nextState = Shutdown) {
latch.countDown()
}
} else if (state is GracefulShutdown) {
this.state = state.copy(nextState = Shutdown) {
latch.countDown()
}
} else if (state is Uninitialized || state is Shutdown) {
this.state = Shutdown
latch.countDown()
}
}, 0, TimeUnit.SECONDS)
latch.await()
webUi?.close()
try {
cache.close()
} catch (e: IOException) {
LOGGER.error(e) { "Cache failed to close" }
// Precondition: settings must be filled with up-to-date settings
private fun startImageServer() {
if (imageServer != null) throw AssertionError()
imageServer = ServerManager(settings.serverSettings, settings.devSettings, settings.maxCacheSizeInMebibytes, cache).also {
it.start()
}
LOGGER.info { "Server manager was successfully started" }
}
executorService.shutdown()
LOGGER.info { "Mangadex@Home Client stopped" }
private fun stopImageServer() {
requireNotNull(imageServer).shutdown()
LOGGER.info { "Server manager was successfully stopped" }
}
(LoggerFactory.getILoggerFactory() as LoggerContext).stop()
private fun stopWebUi() {
requireNotNull(webUi).stop()
LOGGER.info { "Server manager was successfully stopped" }
}
fun shutdown() {
LOGGER.info { "Mangadex@Home Client shutting down" }
stopWebUi()
stopImageServer()
LOGGER.info { "Mangadex@Home Client has shut down" }
}
/**
@ -377,102 +134,81 @@ class MangaDexClient(private val clientSettingsFile: String) {
* Web UI and/or the server if needed
*/
private fun reloadClientSettings() {
val state = this.state as Running
LOGGER.info { "Reloading client settings" }
LOGGER.info { "Checking client settings" }
try {
val newSettings = readClientSettings()
if (newSettings == state.clientSettings) {
LOGGER.info { "Client Settings have not changed" }
if (newSettings == settings) {
LOGGER.info { "Client settings unchanged" }
return
}
cache.maxSize = (newSettings.maxCacheSizeInMebibytes * 1024 * 1024 * 0.8).toLong()
// Setting loaded without issue. Figure out
// if there are changes that require a restart
val restartServer = newSettings.clientSecret != state.clientSettings.clientSecret ||
newSettings.clientHostname != state.clientSettings.clientHostname ||
newSettings.clientPort != state.clientSettings.clientPort ||
newSettings.clientExternalPort != state.clientSettings.clientExternalPort ||
newSettings.threads != state.clientSettings.threads ||
newSettings.devSettings?.isDev != state.clientSettings.devSettings?.isDev
val stopWebUi = newSettings.webSettings != state.clientSettings.webSettings ||
newSettings.webSettings?.uiPort != state.clientSettings.webSettings?.uiPort ||
newSettings.webSettings?.uiHostname != state.clientSettings.webSettings?.uiHostname
val startWebUi = (stopWebUi && newSettings.webSettings != null)
val restartServer = newSettings.serverSettings != settings.serverSettings ||
newSettings.devSettings != settings.devSettings
val stopWebUi = restartServer || newSettings.webSettings != settings.webSettings
val startWebUi = stopWebUi && newSettings.webSettings != null
// Stop the the WebUI if needed
if (stopWebUi) {
LOGGER.info { "Stopping WebUI to reload ClientSettings" }
webUi?.close()
webUi = null
stopWebUi()
}
if (restartServer) {
// If we are restarting the server
// We must do it gracefully and set
// the new settings later
LOGGER.info { "Stopping Server to reload ClientSettings" }
this.state = GracefulShutdown(state, nextState = Uninitialized(clientSettings = newSettings), action = {
serverHandler = ServerHandler(newSettings)
LOGGER.info { "Reloaded ClientSettings: $newSettings" }
LOGGER.info { "Starting Server after reloading ClientSettings" }
loginAndStartServer()
})
} else {
// If we aren't restarting the server
// We can update the settings now
this.state = state.copy(clientSettings = newSettings)
serverHandler.settings = newSettings
LOGGER.info { "Reloaded ClientSettings: $newSettings" }
stopImageServer()
startImageServer()
}
// Start the WebUI if we had to stop it
// and still want it
if (startWebUi) {
LOGGER.info { "Starting WebUI after reloading ClientSettings" }
startWebUi()
LOGGER.info { "Started WebUI after reloading ClientSettings" }
}
} catch (e: UnrecognizedPropertyException) {
LOGGER.warn { "Settings file is invalid: '$e.propertyName' is not a valid setting" }
} catch (e: JsonProcessingException) {
LOGGER.warn { "Settings file is invalid: $e.message" }
} catch (e: IOException) {
LOGGER.warn { "Settings file is could not be found: $e.message" }
} catch (e: ClientSettingsException) {
LOGGER.warn { "Can't reload client settings: $e.message" }
LOGGER.warn { "Settings file is invalid: $e.message" }
} catch (e: IOException) {
LOGGER.warn { "Error loading settings file: $e.message" }
}
}
private fun validateSettings(settings: ClientSettings) {
if (!isSecretValid(settings.clientSecret)) throw ClientSettingsException("Config Error: API Secret is invalid, must be 52 alphanumeric characters")
if (settings.clientPort == 0) {
throw ClientSettingsException("Config Error: Invalid port number")
}
if (settings.clientPort in Constants.RESTRICTED_PORTS) {
throw ClientSettingsException("Config Error: Unsafe port number")
}
if (settings.maxCacheSizeInMebibytes < 1024) {
throw ClientSettingsException("Config Error: Invalid max cache size, must be >= 1024 MiB (1GiB)")
}
if (settings.threads < 4) {
throw ClientSettingsException("Config Error: Invalid number of threads, must be >= 4")
fun isSecretValid(clientSecret: String): Boolean {
return Pattern.matches("^[a-zA-Z0-9]{$CLIENT_KEY_LENGTH}$", clientSecret)
}
if (settings.maxMebibytesPerHour < 0) {
throw ClientSettingsException("Config Error: Max bandwidth must be >= 0")
settings.serverSettings.let {
if (!isSecretValid(it.clientSecret)) {
throw ClientSettingsException("Config Error: API Secret is invalid, must be 52 alphanumeric characters")
}
if (it.clientPort == 0) {
throw ClientSettingsException("Config Error: Invalid port number")
}
if (it.clientPort in Constants.RESTRICTED_PORTS) {
throw ClientSettingsException("Config Error: Unsafe port number")
}
if (it.threads < 4) {
throw ClientSettingsException("Config Error: Invalid number of threads, must be >= 4")
}
if (it.maxMebibytesPerHour < 0) {
throw ClientSettingsException("Config Error: Max bandwidth must be >= 0")
}
if (it.maxKilobitsPerSecond < 0) {
throw ClientSettingsException("Config Error: Max burst rate must be >= 0")
}
if (it.gracefulShutdownWaitSeconds < 15) {
throw ClientSettingsException("Config Error: Graceful shutdown wait must be >= 15")
}
}
if (settings.maxKilobitsPerSecond < 0) {
throw ClientSettingsException("Config Error: Max burst rate must be >= 0")
}
if (settings.gracefulShutdownWaitSeconds < 15) {
throw ClientSettingsException("Config Error: Graceful shutdown wait must be >= 15")
}
if (settings.webSettings != null) {
if (settings.webSettings.uiPort == 0) {
settings.webSettings?.let {
if (it.uiPort == 0) {
throw ClientSettingsException("Config Error: Invalid UI port number")
}
}
@ -482,12 +218,9 @@ class MangaDexClient(private val clientSettingsFile: String) {
return JACKSON.readValue<ClientSettings>(FileReader(clientSettingsFile)).apply(::validateSettings)
}
private fun isSecretValid(clientSecret: String): Boolean {
return Pattern.matches("^[a-zA-Z0-9]*$CLIENT_KEY_LENGTH}$", clientSecret)
}
companion object {
private const val CLIENT_KEY_LENGTH = 52
private val LOGGER = LoggerFactory.getLogger(MangaDexClient::class.java)
private val JACKSON: ObjectMapper = jacksonObjectMapper()
private val JACKSON: ObjectMapper = jacksonObjectMapper().configure(JsonParser.Feature.ALLOW_COMMENTS, true)
}
}

31
src/main/kotlin/mdnet/base/ServerHandler.kt
View file

@ -22,7 +22,8 @@ import com.fasterxml.jackson.databind.DeserializationFeature
import com.fasterxml.jackson.module.kotlin.KotlinModule
import java.net.InetAddress
import mdnet.base.ServerHandlerJackson.auto
import mdnet.base.settings.ClientSettings
import mdnet.base.settings.DevSettings
import mdnet.base.settings.RemoteSettings
import mdnet.base.settings.ServerSettings
import org.apache.http.client.config.RequestConfig
import org.apache.http.impl.client.HttpClients
@ -43,13 +44,13 @@ object ServerHandlerJackson : ConfigurableJackson(
.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
)
class ServerHandler(var settings: ClientSettings) {
class ServerHandler(private val serverSettings: ServerSettings, private val devSettings: DevSettings, private val maxCacheSizeInMebibytes: Long) {
private val client = ApacheClient(client = HttpClients.custom()
.setDefaultRequestConfig(
RequestConfig.custom()
.apply {
if (settings.clientHostname != "0.0.0.0") {
setLocalAddress(InetAddress.getByName(settings.clientHostname))
if (serverSettings.clientHostname != "0.0.0.0") {
setLocalAddress(InetAddress.getByName(serverSettings.clientHostname))
}
}
.build())
@ -58,7 +59,7 @@ class ServerHandler(var settings: ClientSettings) {
fun logoutFromControl(): Boolean {
LOGGER.info { "Disconnecting from the control server" }
val params = mapOf<String, Any>(
"secret" to settings.clientSecret
"secret" to serverSettings.clientSecret
)
val request = STRING_ANY_MAP_LENS(params, Request(Method.POST, getServerAddress() + "stop"))
@ -69,16 +70,16 @@ class ServerHandler(var settings: ClientSettings) {
private fun getPingParams(tlsCreatedAt: String? = null): Map<String, Any> =
mapOf<String, Any>(
"secret" to settings.clientSecret,
"secret" to serverSettings.clientSecret,
"port" to let {
if (settings.clientExternalPort != 0) {
settings.clientExternalPort
if (serverSettings.clientExternalPort != 0) {
serverSettings.clientExternalPort
} else {
settings.clientPort
serverSettings.clientPort
}
},
"disk_space" to settings.maxCacheSizeInMebibytes * 1024 * 1024,
"network_speed" to settings.maxKilobitsPerSecond * 1000 / 8,
"disk_space" to maxCacheSizeInMebibytes * 1024 * 1024,
"network_speed" to serverSettings.maxKilobitsPerSecond * 1000 / 8,
"build_version" to Constants.CLIENT_BUILD
).let {
if (tlsCreatedAt != null) {
@ -88,7 +89,7 @@ class ServerHandler(var settings: ClientSettings) {
}
}
fun loginToControl(): ServerSettings? {
fun loginToControl(): RemoteSettings? {
LOGGER.info { "Connecting to the control server" }
val request = STRING_ANY_MAP_LENS(getPingParams(), Request(Method.POST, getServerAddress() + "ping"))
@ -101,7 +102,7 @@ class ServerHandler(var settings: ClientSettings) {
}
}
fun pingControl(old: ServerSettings): ServerSettings? {
fun pingControl(old: RemoteSettings): RemoteSettings? {
LOGGER.info { "Pinging the control server" }
val request = STRING_ANY_MAP_LENS(getPingParams(old.tls!!.createdAt), Request(Method.POST, getServerAddress() + "ping"))
@ -115,7 +116,7 @@ class ServerHandler(var settings: ClientSettings) {
}
private fun getServerAddress(): String {
return if (settings.devSettings?.isDev != true)
return if (!devSettings.isDev)
SERVER_ADDRESS
else
SERVER_ADDRESS_DEV
@ -124,7 +125,7 @@ class ServerHandler(var settings: ClientSettings) {
companion object {
private val LOGGER = LoggerFactory.getLogger(ServerHandler::class.java)
private val STRING_ANY_MAP_LENS = Body.auto<Map<String, Any>>().toLens()
private val SERVER_SETTINGS_LENS = Body.auto<ServerSettings>().toLens()
private val SERVER_SETTINGS_LENS = Body.auto<RemoteSettings>().toLens()
private const val SERVER_ADDRESS = "https://api.mangadex.network/"
private const val SERVER_ADDRESS_DEV = "https://mangadex-test.net/"
}

270
src/main/kotlin/mdnet/base/ServerManager.kt Normal file
View file

@ -0,0 +1,270 @@
package mdnet.base
import com.fasterxml.jackson.core.JsonProcessingException
import com.fasterxml.jackson.databind.ObjectMapper
import com.fasterxml.jackson.databind.SerializationFeature
import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
import com.fasterxml.jackson.module.kotlin.readValue
import java.io.IOException
import java.time.Instant
import java.util.Collections
import java.util.LinkedHashMap
import java.util.concurrent.CountDownLatch
import java.util.concurrent.Executors
import java.util.concurrent.TimeUnit
import java.util.concurrent.atomic.AtomicBoolean
import java.util.concurrent.atomic.AtomicReference
import mdnet.base.data.Statistics
import mdnet.base.server.getServer
import mdnet.base.settings.DevSettings
import mdnet.base.settings.RemoteSettings
import mdnet.base.settings.ServerSettings
import mdnet.cache.DiskLruCache
import org.http4k.server.Http4kServer
import org.slf4j.LoggerFactory
sealed class State
// server is not running
data class Uninitialized(val serverSettings: ServerSettings, val devSettings: DevSettings) : State()
// server has shut down
object Shutdown : State()
// server is in the process of stopping
data class GracefulStop(val lastRunning: Running, val counts: Int = 0, val nextState: State = Uninitialized(lastRunning.serverSettings, lastRunning.devSettings), val action: () -> Unit = {}) : State()
// server is currently running
data class Running(val server: Http4kServer, val settings: RemoteSettings, val serverSettings: ServerSettings, val devSettings: DevSettings) : State()
class ServerManager(serverSettings: ServerSettings, devSettings: DevSettings, maxCacheSizeInMebibytes: Long, private val cache: DiskLruCache) {
// this must remain single-threaded because of how the state mechanism works
private val executor = Executors.newSingleThreadScheduledExecutor()
// state that must only be accessed from the thread on the executorService
private var state: State
private var serverHandler: ServerHandler
// end protected state
val statsMap: MutableMap<Instant, Statistics> = Collections
.synchronizedMap(object : LinkedHashMap<Instant, Statistics>(240) {
override fun removeEldestEntry(eldest: Map.Entry<Instant, Statistics>): Boolean {
return this.size > 240
}
})
val statistics: AtomicReference<Statistics> = AtomicReference(
Statistics()
)
private val isHandled: AtomicBoolean = AtomicBoolean(false)
init {
state = Uninitialized(serverSettings, devSettings)
serverHandler = ServerHandler(serverSettings, devSettings, maxCacheSizeInMebibytes)
cache.get("statistics")?.use {
try {
statistics.set(JACKSON.readValue<Statistics>(it.getInputStream(0)))
} catch (_: JsonProcessingException) {
cache.remove("statistics")
}
}
}
fun start() {
loginAndStartServer()
statsMap[Instant.now()] = statistics.get()
executor.scheduleAtFixedRate({
try {
if (state is Running || state is GracefulStop || state is Uninitialized) {
statistics.updateAndGet {
it.copy(bytesOnDisk = cache.size())
}
statsMap[Instant.now()] = statistics.get()
val editor = cache.edit("statistics")
if (editor != null) {
JACKSON.writeValue(editor.newOutputStream(0), statistics.get())
editor.commit()
}
}
} catch (e: Exception) {
LOGGER.warn(e) { "Statistics update failed" }
}
}, 15, 15, TimeUnit.SECONDS)
var lastBytesSent = statistics.get().bytesSent
executor.scheduleAtFixedRate({
try {
lastBytesSent = statistics.get().bytesSent
val state = this.state
if (state is GracefulStop) {
LOGGER.info { "Aborting graceful shutdown started due to hourly bandwidth limit" }
this.state = state.lastRunning
}
if (state is Uninitialized) {
LOGGER.info { "Restarting server stopped due to hourly bandwidth limit" }
loginAndStartServer()
}
} catch (e: Exception) {
LOGGER.warn(e) { "Hourly bandwidth check failed" }
}
}, 1, 1, TimeUnit.HOURS)
executor.scheduleAtFixedRate({
try {
val state = this.state
if (state is GracefulStop) {
val timesToWait = state.lastRunning.serverSettings.gracefulShutdownWaitSeconds / 15
when {
state.counts == 0 -> {
LOGGER.info { "Starting graceful stop" }
logout()
isHandled.set(false)
this.state = state.copy(counts = state.counts + 1)
}
state.counts == timesToWait || !isHandled.get() -> {
if (!isHandled.get()) {
LOGGER.info { "No requests received, stopping" }
} else {
LOGGER.info { "Max tries attempted (${state.counts} out of $timesToWait), shutting down" }
}
stopServer(state.nextState)
state.action()
}
else -> {
LOGGER.info {
"Waiting another 15 seconds for graceful stop (${state.counts} out of $timesToWait)"
}
isHandled.set(false)
this.state = state.copy(counts = state.counts + 1)
}
}
}
} catch (e: Exception) {
LOGGER.warn(e) { "Main loop failed" }
}
}, 15, 15, TimeUnit.SECONDS)
executor.scheduleWithFixedDelay({
try {
val state = this.state
if (state is Running) {
val currentBytesSent = statistics.get().bytesSent - lastBytesSent
if (state.serverSettings.maxMebibytesPerHour != 0L && state.serverSettings.maxMebibytesPerHour * 1024 * 1024 /* MiB to bytes */ < currentBytesSent) {
LOGGER.info { "Stopping image server as hourly bandwidth limit reached" }
this.state = GracefulStop(lastRunning = state)
} else {
pingControl()
}
}
} catch (e: Exception) {
LOGGER.warn(e) { "Graceful shutdown checker failed" }
}
}, 45, 45, TimeUnit.SECONDS)
}
private fun pingControl() {
val state = this.state as Running
val newSettings = serverHandler.pingControl(state.settings)
if (newSettings != null) {
LOGGER.info { "Server settings received: $newSettings" }
if (newSettings.latestBuild > Constants.CLIENT_BUILD) {
LOGGER.warn {
"Outdated build detected! Latest: ${newSettings.latestBuild}, Current: ${Constants.CLIENT_BUILD}"
}
}
if (newSettings.tls != null || newSettings.imageServer != state.settings.imageServer) {
// certificates or upstream url must have changed, restart webserver
LOGGER.info { "Doing internal restart of HTTP server to refresh certs/upstream URL" }
this.state = GracefulStop(lastRunning = state) {
loginAndStartServer()
}
}
} else {
LOGGER.info { "Server ping failed - ignoring" }
}
}
private fun loginAndStartServer() {
val state = this.state as Uninitialized
val remoteSettings = serverHandler.loginToControl()
?: Main.dieWithError("Failed to get a login response from server - check API secret for validity")
val server = getServer(cache, remoteSettings, state.serverSettings, statistics, isHandled).start()
if (remoteSettings.latestBuild > Constants.CLIENT_BUILD) {
LOGGER.warn {
"Outdated build detected! Latest: ${remoteSettings.latestBuild}, Current: ${Constants.CLIENT_BUILD}"
}
}
this.state = Running(server, remoteSettings, state.serverSettings, state.devSettings)
LOGGER.info { "Internal HTTP server was successfully started" }
}
private fun logout() {
serverHandler.logoutFromControl()
}
private fun stopServer(nextState: State) {
val state = this.state.let {
when (it) {
is Running ->
it
is GracefulStop ->
it.lastRunning
else ->
throw AssertionError()
}
}
LOGGER.info { "Image server stopping" }
state.server.stop()
LOGGER.info { "Image server has stopped" }
this.state = nextState
}
fun shutdown() {
LOGGER.info { "Image server shutting down" }
val latch = CountDownLatch(1)
executor.schedule({
val state = this.state
if (state is Running) {
this.state = GracefulStop(state, nextState = Shutdown) {
latch.countDown()
}
} else if (state is GracefulStop) {
this.state = state.copy(nextState = Shutdown) {
latch.countDown()
}
} else if (state is Uninitialized || state is Shutdown) {
this.state = Shutdown
latch.countDown()
}
}, 0, TimeUnit.SECONDS)
latch.await()
try {
cache.close()
} catch (e: IOException) {
LOGGER.error(e) { "Cache failed to close" }
}
executor.shutdown()
LOGGER.info { "Image server has shut down" }
}
companion object {
private val LOGGER = LoggerFactory.getLogger(ServerManager::class.java)
private val JACKSON: ObjectMapper = jacksonObjectMapper().enable(SerializationFeature.INDENT_OUTPUT)
}
}

18
src/main/kotlin/mdnet/base/netty/ApplicationNetty.kt
View file

@ -48,7 +48,7 @@ import javax.net.ssl.SSLException
import mdnet.base.Constants
import mdnet.base.data.Statistics
import mdnet.base.info
import mdnet.base.settings.ClientSettings
import mdnet.base.settings.ServerSettings
import mdnet.base.settings.TlsCert
import mdnet.base.trace
import org.http4k.core.HttpHandler
@ -59,15 +59,15 @@ import org.slf4j.LoggerFactory
private val LOGGER = LoggerFactory.getLogger("Application")
class Netty(private val tls: TlsCert, private val clientSettings: ClientSettings, private val statistics: AtomicReference<Statistics>) : ServerConfig {
class Netty(private val tls: TlsCert, internal val serverSettings: ServerSettings, private val statistics: AtomicReference<Statistics>) : ServerConfig {
override fun toServer(httpHandler: HttpHandler): Http4kServer = object : Http4kServer {
private val masterGroup = NioEventLoopGroup(clientSettings.threads)
private val workerGroup = NioEventLoopGroup(clientSettings.threads)
private val masterGroup = NioEventLoopGroup(serverSettings.threads)
private val workerGroup = NioEventLoopGroup(serverSettings.threads)
private lateinit var closeFuture: ChannelFuture
private lateinit var address: InetSocketAddress
private val burstLimiter = object : GlobalTrafficShapingHandler(
workerGroup, clientSettings.maxKilobitsPerSecond * 1000L / 8L, 0, 50) {
workerGroup, serverSettings.maxKilobitsPerSecond * 1000L / 8L, 0, 50) {
override fun doAccounting(counter: TrafficCounter) {
statistics.getAndUpdate {
it.copy(bytesSent = it.bytesSent + counter.cumulativeWrittenBytes())
@ -77,7 +77,7 @@ class Netty(private val tls: TlsCert, private val clientSettings: ClientSettings
}
override fun start(): Http4kServer = apply {
LOGGER.info { "Starting Netty with ${clientSettings.threads} threads" }
LOGGER.info { "Starting Netty with ${serverSettings.threads} threads" }
val certs = getX509Certs(tls.certificate)
val sslContext = SslContextBuilder
@ -104,7 +104,7 @@ class Netty(private val tls: TlsCert, private val clientSettings: ClientSettings
ch.pipeline().addLast("streamer", ChunkedWriteHandler())
ch.pipeline().addLast("handler", Http4kChannelHandler(httpHandler))
ch.pipeline().addLast("handle_ssl", object : ChannelInboundHandlerAdapter() {
ch.pipeline().addLast("exceptions", object : ChannelInboundHandlerAdapter() {
override fun exceptionCaught(ctx: ChannelHandlerContext, cause: Throwable) {
if (cause is SSLException || (cause is DecoderException && cause.cause is SSLException)) {
LOGGER.trace { "Ignored invalid SSL connection" }
@ -121,7 +121,7 @@ class Netty(private val tls: TlsCert, private val clientSettings: ClientSettings
.option(ChannelOption.SO_BACKLOG, 1000)
.childOption(ChannelOption.SO_KEEPALIVE, true)
val channel = bootstrap.bind(InetSocketAddress(clientSettings.clientHostname, clientSettings.clientPort)).sync().channel()
val channel = bootstrap.bind(InetSocketAddress(serverSettings.clientHostname, serverSettings.clientPort)).sync().channel()
address = channel.localAddress() as InetSocketAddress
closeFuture = channel.closeFuture()
}
@ -132,7 +132,7 @@ class Netty(private val tls: TlsCert, private val clientSettings: ClientSettings
closeFuture.sync()
}
override fun port(): Int = if (clientSettings.clientPort > 0) clientSettings.clientPort else address.port
override fun port(): Int = if (serverSettings.clientPort > 0) serverSettings.clientPort else address.port
}
}

2
src/main/kotlin/mdnet/base/netty/Keys.kt
View file

@ -32,7 +32,7 @@ private const val PKCS_1_PEM_FOOTER = "-----END RSA PRIVATE KEY-----"
private const val PKCS_8_PEM_HEADER = "-----BEGIN PRIVATE KEY-----"
private const val PKCS_8_PEM_FOOTER = "-----END PRIVATE KEY-----"
fun loadKey(keyDataString: String): PrivateKey? {
internal fun loadKey(keyDataString: String): PrivateKey? {
if (keyDataString.contains(PKCS_1_PEM_HEADER)) {
val fixedString = keyDataString.replace(PKCS_1_PEM_HEADER, "").replace(
PKCS_1_PEM_FOOTER, "")

115
src/main/kotlin/mdnet/base/server/Application.kt
View file

@ -1,115 +0,0 @@
/*
Mangadex@Home
Copyright (c) 2020, MangaDex Network
This file is part of MangaDex@Home.
MangaDex@Home is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
MangaDex@Home is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this MangaDex@Home. If not, see <http://www.gnu.org/licenses/>.
*/
/* ktlint-disable no-wildcard-imports */
package mdnet.base.server
import java.util.concurrent.atomic.AtomicBoolean
import java.util.concurrent.atomic.AtomicReference
import mdnet.base.data.Statistics
import mdnet.base.info
import mdnet.base.netty.Netty
import mdnet.base.settings.ClientSettings
import mdnet.base.settings.ServerSettings
import mdnet.cache.DiskLruCache
import org.apache.http.client.config.CookieSpecs
import org.apache.http.client.config.RequestConfig
import org.apache.http.impl.client.HttpClients
import org.http4k.client.ApacheClient
import org.http4k.core.*
import org.http4k.filter.ServerFilters
import org.http4k.routing.bind
import org.http4k.routing.routes
import org.http4k.server.Http4kServer
import org.http4k.server.asServer
import org.jetbrains.exposed.sql.Database
import org.slf4j.LoggerFactory
private val LOGGER = LoggerFactory.getLogger("Application")
fun getServer(cache: DiskLruCache, serverSettings: ServerSettings, clientSettings: ClientSettings, statistics: AtomicReference<Statistics>, isHandled: AtomicBoolean): Http4kServer {
val database = Database.connect("jdbc:sqlite:cache/data.db", "org.sqlite.JDBC")
val client = ApacheClient(responseBodyMode = BodyMode.Stream, client = HttpClients.custom()
.disableConnectionState()
.setDefaultRequestConfig(
RequestConfig.custom()
.setCookieSpec(CookieSpecs.IGNORE_COOKIES)
.setConnectTimeout(3000)
.setSocketTimeout(3000)
.setConnectionRequestTimeout(3000)
.build())
.setMaxConnTotal(3000)
.setMaxConnPerRoute(3000)
.build())
val imageServer = ImageServer(cache, database, statistics, serverSettings, client)
return timeRequest()
.then(catchAllHideDetails())
.then(ServerFilters.CatchLensFailure)
.then(setHandled(isHandled))
.then(addCommonHeaders())
.then(
routes(
"/data/{chapterHash}/{fileName}" bind Method.GET to imageServer.handler(dataSaver = false),
"/data-saver/{chapterHash}/{fileName}" bind Method.GET to imageServer.handler(dataSaver = true),
"/{token}/data/{chapterHash}/{fileName}" bind Method.GET to imageServer.handler(
dataSaver = false,
tokenized = true
),
"/{token}/data-saver/{chapterHash}/{fileName}" bind Method.GET to imageServer.handler(
dataSaver = true,
tokenized = true
)
)
)
.asServer(Netty(serverSettings.tls!!, clientSettings, statistics))
}
fun setHandled(isHandled: AtomicBoolean): Filter {
return Filter { next: HttpHandler ->
{
isHandled.set(true)
next(it)
}
}
}
fun timeRequest(): Filter {
return Filter { next: HttpHandler ->
{ request: Request ->
val cleanedUri = request.uri.path.let {
if (it.startsWith("/data")) {
it
} else {
it.replaceBefore("/data", "/{token}")
}
}
LOGGER.info { "Request for $cleanedUri received from ${request.source?.address}" }
val start = System.currentTimeMillis()
val response = next(request)
val latency = System.currentTimeMillis() - start
LOGGER.info { "Request for $cleanedUri completed (TTFB) in ${latency}ms" }
response.header("X-Time-Taken", latency.toString())
}
}
}

116
src/main/kotlin/mdnet/base/server/ImageServer.kt
View file

@ -32,40 +32,52 @@ import java.io.BufferedInputStream
import java.io.BufferedOutputStream
import java.io.File
import java.io.InputStream
import java.security.MessageDigest
import java.time.Clock
import java.time.OffsetDateTime
import java.util.*
import java.util.concurrent.Executors
import java.util.concurrent.atomic.AtomicBoolean
import java.util.concurrent.atomic.AtomicReference
import javax.crypto.Cipher
import javax.crypto.CipherInputStream
import javax.crypto.CipherOutputStream
import javax.crypto.spec.SecretKeySpec
import mdnet.base.Constants
import mdnet.base.data.ImageData
import mdnet.base.data.ImageDatum
import mdnet.base.data.Statistics
import mdnet.base.data.Token
import mdnet.base.info
import mdnet.base.netty.Netty
import mdnet.base.settings.RemoteSettings
import mdnet.base.settings.ServerSettings
import mdnet.base.trace
import mdnet.base.warn
import mdnet.cache.CachingInputStream
import mdnet.cache.DiskLruCache
import org.apache.http.client.config.CookieSpecs
import org.apache.http.client.config.RequestConfig
import org.apache.http.impl.client.HttpClients
import org.http4k.client.ApacheClient
import org.http4k.core.*
import org.http4k.filter.CachingFilters
import org.http4k.filter.ServerFilters
import org.http4k.lens.Path
import org.http4k.routing.bind
import org.http4k.routing.routes
import org.http4k.server.Http4kServer
import org.http4k.server.asServer
import org.jetbrains.exposed.sql.Database
import org.jetbrains.exposed.sql.SchemaUtils
import org.jetbrains.exposed.sql.transactions.transaction
import org.slf4j.LoggerFactory
private val LOGGER = LoggerFactory.getLogger(ImageServer::class.java)
class ImageServer(
private val cache: DiskLruCache,
private val database: Database,
private val statistics: AtomicReference<Statistics>,
private val serverSettings: ServerSettings,
private val remoteSettings: RemoteSettings,
private val client: HttpHandler
) {
init {
@ -93,7 +105,7 @@ class ImageServer(
return@then Response(Status.FORBIDDEN)
}
if (tokenized || serverSettings.forceTokens) {
if (tokenized || remoteSettings.forceTokens) {
val tokenArr = Base64.getUrlDecoder().decode(Path.of("token")(request))
if (tokenArr.size < 24) {
LOGGER.info { "Request for $sanitizedUri rejected for invalid token" }
@ -103,7 +115,7 @@ class ImageServer(
JACKSON.readValue<Token>(
try {
SODIUM.cryptoBoxOpenEasyAfterNm(
tokenArr.sliceArray(24 until tokenArr.size), tokenArr.sliceArray(0 until 24), serverSettings.tokenKey
tokenArr.sliceArray(24 until tokenArr.size), tokenArr.sliceArray(0 until 24), remoteSettings.tokenKey
)
} catch (_: SodiumException) {
LOGGER.info { "Request for $sanitizedUri rejected for invalid token" }
@ -209,7 +221,7 @@ class ImageServer(
it.copy(cacheMisses = it.cacheMisses + 1)
}
val mdResponse = client(Request(Method.GET, "${serverSettings.imageServer}$sanitizedUri"))
val mdResponse = client(Request(Method.GET, "${remoteSettings.imageServer}$sanitizedUri"))
if (mdResponse.status != Status.OK) {
LOGGER.trace { "Upstream query for $sanitizedUri errored with status ${mdResponse.status}" }
@ -298,7 +310,6 @@ class ImageServer(
companion object {
private val SODIUM = LazySodiumJava(SodiumJava())
private val LOGGER = LoggerFactory.getLogger(ImageServer::class.java)
private val JACKSON: ObjectMapper = jacksonObjectMapper()
.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
.registerModule(JavaTimeModule())
@ -318,23 +329,76 @@ class ImageServer(
}
}
private fun getRc4(key: ByteArray): Cipher {
val rc4 = Cipher.getInstance("RC4")
rc4.init(Cipher.ENCRYPT_MODE, SecretKeySpec(key, "RC4"))
return rc4
}
private fun md5Bytes(stringToHash: String): ByteArray {
val digest = MessageDigest.getInstance("MD5")
return digest.digest(stringToHash.toByteArray())
}
private fun printHexString(bytes: ByteArray): String {
val sb = StringBuilder()
for (b in bytes) {
sb.append(String.format("%02x", b))
}
return sb.toString()
}
private fun String.isImageMimetype() = this.toLowerCase().startsWith("image/")
fun getServer(cache: DiskLruCache, remoteSettings: RemoteSettings, serverSettings: ServerSettings, statistics: AtomicReference<Statistics>, isHandled: AtomicBoolean): Http4kServer {
val database = Database.connect("jdbc:sqlite:cache/data.db", "org.sqlite.JDBC")
val client = ApacheClient(responseBodyMode = BodyMode.Stream, client = HttpClients.custom()
.disableConnectionState()
.setDefaultRequestConfig(
RequestConfig.custom()
.setCookieSpec(CookieSpecs.IGNORE_COOKIES)
.setConnectTimeout(3000)
.setSocketTimeout(3000)
.setConnectionRequestTimeout(3000)
.build())
.setMaxConnTotal(3000)
.setMaxConnPerRoute(3000)
.build())
val imageServer = ImageServer(cache, database, statistics, remoteSettings, client)
return timeRequest()
.then(catchAllHideDetails())
.then(ServerFilters.CatchLensFailure)
.then(setHandled(isHandled))
.then(addCommonHeaders())
.then(
routes(
"/data/{chapterHash}/{fileName}" bind Method.GET to imageServer.handler(dataSaver = false),
"/data-saver/{chapterHash}/{fileName}" bind Method.GET to imageServer.handler(dataSaver = true),
"/{token}/data/{chapterHash}/{fileName}" bind Method.GET to imageServer.handler(
dataSaver = false,
tokenized = true
),
"/{token}/data-saver/{chapterHash}/{fileName}" bind Method.GET to imageServer.handler(
dataSaver = true,
tokenized = true
)
)
)
.asServer(Netty(remoteSettings.tls!!, serverSettings, statistics))
}
fun setHandled(isHandled: AtomicBoolean): Filter {
return Filter { next: HttpHandler ->
{
isHandled.set(true)
next(it)
}
}
}
fun timeRequest(): Filter {
return Filter { next: HttpHandler ->
{ request: Request ->
val cleanedUri = request.uri.path.let {
if (it.startsWith("/data")) {
it
} else {
it.replaceBefore("/data", "/{token}")
}
}
LOGGER.info { "Request for $cleanedUri received from ${request.source?.address}" }
val start = System.currentTimeMillis()
val response = next(request)
val latency = System.currentTimeMillis() - start
LOGGER.info { "Request for $cleanedUri completed (TTFB) in ${latency}ms" }
response.header("X-Time-Taken", latency.toString())
}
}
}

24
src/main/kotlin/mdnet/base/server/naclbox.kt
View file

@ -22,9 +22,12 @@ package mdnet.base.server
import com.goterl.lazycode.lazysodium.LazySodiumJava
import com.goterl.lazycode.lazysodium.exceptions.SodiumException
import com.goterl.lazycode.lazysodium.interfaces.Box
import java.security.MessageDigest
import javax.crypto.Cipher
import javax.crypto.spec.SecretKeySpec
@Throws(SodiumException::class)
fun LazySodiumJava.cryptoBoxOpenEasyAfterNm(cipherBytes: ByteArray, nonce: ByteArray, sharedKey: ByteArray): String {
internal fun LazySodiumJava.cryptoBoxOpenEasyAfterNm(cipherBytes: ByteArray, nonce: ByteArray, sharedKey: ByteArray): String {
if (!Box.Checker.checkNonce(nonce.size)) {
throw SodiumException("Incorrect nonce length.")
}
@ -40,3 +43,22 @@ fun LazySodiumJava.cryptoBoxOpenEasyAfterNm(cipherBytes: ByteArray, nonce: ByteA
}
return str(message)
}
internal fun getRc4(key: ByteArray): Cipher {
val rc4 = Cipher.getInstance("RC4")
rc4.init(Cipher.ENCRYPT_MODE, SecretKeySpec(key, "RC4"))
return rc4
}
internal fun md5Bytes(stringToHash: String): ByteArray {
val digest = MessageDigest.getInstance("MD5")
return digest.digest(stringToHash.toByteArray())
}
internal fun printHexString(bytes: ByteArray): String {
val sb = StringBuilder()
for (b in bytes) {
sb.append(String.format("%02x", b))
}
return sb.toString()
}

13
src/main/kotlin/mdnet/base/settings/ClientSettings.kt
View file

@ -18,6 +18,7 @@ along with this MangaDex@Home. If not, see <http://www.gnu.org/licenses/>.
*/
package mdnet.base.settings
import com.fasterxml.jackson.annotation.JsonUnwrapped
import com.fasterxml.jackson.databind.PropertyNamingStrategy
import com.fasterxml.jackson.databind.annotation.JsonNaming
import dev.afanasev.sekret.Secret
@ -25,6 +26,14 @@ import dev.afanasev.sekret.Secret
@JsonNaming(PropertyNamingStrategy.SnakeCaseStrategy::class)
data class ClientSettings(
val maxCacheSizeInMebibytes: Long = 20480,
@JsonUnwrapped
val serverSettings: ServerSettings = ServerSettings(),
val webSettings: WebSettings? = null,
val devSettings: DevSettings = DevSettings(isDev = false)
)
@JsonNaming(PropertyNamingStrategy.SnakeCaseStrategy::class)
data class ServerSettings(
val maxMebibytesPerHour: Long = 0,
val maxKilobitsPerSecond: Long = 0,
val clientHostname: String = "0.0.0.0",
@ -32,9 +41,7 @@ data class ClientSettings(
val clientExternalPort: Int = 0,
@field:Secret val clientSecret: String = "PASTE-YOUR-SECRET-HERE",
val threads: Int = 4,
val gracefulShutdownWaitSeconds: Int = 60,
val webSettings: WebSettings? = null,
val devSettings: DevSettings? = null
val gracefulShutdownWaitSeconds: Int = 60
)
@JsonNaming(PropertyNamingStrategy.SnakeCaseStrategy::class)

4
src/main/kotlin/mdnet/base/settings/ServerSettings.kt → src/main/kotlin/mdnet/base/settings/RemoteSettings.kt
View file

@ -23,7 +23,7 @@ import com.fasterxml.jackson.databind.annotation.JsonNaming
import dev.afanasev.sekret.Secret
@JsonNaming(PropertyNamingStrategy.SnakeCaseStrategy::class)
data class ServerSettings(
data class RemoteSettings(
val imageServer: String,
val latestBuild: Int,
val url: String,
@ -37,7 +37,7 @@ data class ServerSettings(
if (this === other) return true
if (javaClass != other?.javaClass) return false
other as ServerSettings
other as RemoteSettings
if (imageServer != other.imageServer) return false
if (latestBuild != other.latestBuild) return false

1
src/main/resources/logback.xml
View file

@ -37,5 +37,6 @@
<appender-ref ref="ASYNC"/>
</root>
<logger name="Exposed" level="ERROR"/
<logger name="io.netty" level="INFO"/>
</configuration>