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Code Issues Releases Activity

Logging overhauls

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This commit is contained in:
carbotaniuman 2020-07-04 14:39:11 -05:00
parent 45957ad922
commit 9c81c415cd
12 changed files with 209 additions and 188 deletions
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9
src/main/java/mdnet/cache/DiskLruCache.java vendored
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@ -17,8 +17,6 @@ package mdnet.cache;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.BufferedWriter;
import java.io.Closeable;
@ -94,8 +92,6 @@ import java.util.regex.Pattern;
* responding appropriately.
*/
public final class DiskLruCache implements Closeable {
private final static Logger LOGGER = LoggerFactory.getLogger(DiskLruCache.class);
private static final String JOURNAL_FILE = "journal";
private static final String JOURNAL_FILE_TEMP = "journal.tmp";
private static final String JOURNAL_FILE_BACKUP = "journal.bkp";
@ -827,7 +823,6 @@ public final class DiskLruCache implements Closeable {
outputStream = new FileOutputStream(dirtyFile);
} catch (FileNotFoundException e2) {
// We are unable to recover. Silently eat the writes.
LOGGER.warn("Returning NULL_OUTPUT_STREAM", e2);
return NULL_OUTPUT_STREAM;
}
}
@ -899,7 +894,6 @@ public final class DiskLruCache implements Closeable {
try {
out.write(oneByte);
} catch (IOException e) {
LOGGER.warn("FaultHidingOutputStream exception in write()", e);
hasErrors = true;
}
}
@ -909,7 +903,6 @@ public final class DiskLruCache implements Closeable {
try {
out.write(buffer, offset, length);
} catch (IOException e) {
LOGGER.warn("FaultHidingOutputStream exception in write()", e);
hasErrors = true;
}
}
@ -919,7 +912,6 @@ public final class DiskLruCache implements Closeable {
try {
out.close();
} catch (IOException e) {
LOGGER.warn("FaultHidingOutputStream exception in close()", e);
hasErrors = true;
}
}
@ -929,7 +921,6 @@ public final class DiskLruCache implements Closeable {
try {
out.flush();
} catch (IOException e) {
LOGGER.warn("FaultHidingOutputStream exception in flush()", e);
hasErrors = true;
}
}

15
src/main/java/mdnet/cache/HeaderMismatchException.java vendored
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@ -1,3 +1,18 @@
/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package mdnet.cache;
import java.io.IOException;

1
src/main/kotlin/mdnet/base/Constants.kt
View File

@ -22,7 +22,6 @@ import java.time.Duration
object Constants {
const val CLIENT_BUILD = 14
const val WEBUI_VERSION = "0.1.1"
val MAX_AGE_CACHE: Duration = Duration.ofDays(14)
const val MAX_READ_TIME_SECONDS = 300

13
src/main/kotlin/mdnet/base/Main.kt
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@ -85,26 +85,21 @@ object Main {
}
}.apply(::validateSettings)
if (LOGGER.isInfoEnabled) {
LOGGER.info("Client settings loaded: {}", settings)
}
LOGGER.info { "Client settings loaded: $settings" }
val client = MangaDexClient(settings)
Runtime.getRuntime().addShutdownHook(Thread { client.shutdown() })
client.runLoop()
}
fun dieWithError(e: Throwable): Nothing {
if (LOGGER.isErrorEnabled) {
LOGGER.error("Critical Error", e)
}
LOGGER.error(e) { "Critical Error" }
(LoggerFactory.getILoggerFactory() as LoggerContext).stop()
exitProcess(1)
}
fun dieWithError(error: String): Nothing {
if (LOGGER.isErrorEnabled) {
LOGGER.error("Critical Error: {}", error)
}
LOGGER.error { "Critical Error: $error" }
(LoggerFactory.getILoggerFactory() as LoggerContext).stop()
exitProcess(1)
}

85
src/main/kotlin/mdnet/base/MangaDexClient.kt
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@ -83,10 +83,10 @@ class MangaDexClient(private val clientSettings: ClientSettings) {
statistics.set(JACKSON.readValue<Statistics>(it.getInputStream(0)))
}
} catch (e: HeaderMismatchException) {
LOGGER.warn("Cache version may be outdated - remove if necessary")
LOGGER.warn { "Cache version may be outdated - remove if necessary" }
dieWithError(e)
} catch (e: IOException) {
LOGGER.warn("Cache may be corrupt - remove if necessary")
LOGGER.warn { "Cache may be corrupt - remove if necessary" }
dieWithError(e)
}
}
@ -99,9 +99,7 @@ class MangaDexClient(private val clientSettings: ClientSettings) {
webUi = getUiServer(clientSettings.webSettings, statistics, statsMap)
webUi!!.start()
}
if (LOGGER.isInfoEnabled) {
LOGGER.info("Mangadex@Home Client initialized. Starting normal operation.")
}
LOGGER.info { "Mangadex@Home Client initialized. Starting normal operation." }
executorService.scheduleAtFixedRate({
try {
@ -117,7 +115,7 @@ class MangaDexClient(private val clientSettings: ClientSettings) {
}
}
} catch (e: Exception) {
LOGGER.warn("Statistics update failed", e)
LOGGER.warn(e) { "Statistics update failed" }
}
}, 15, 15, TimeUnit.SECONDS)
@ -128,19 +126,17 @@ class MangaDexClient(private val clientSettings: ClientSettings) {
val state = this.state
if (state is GracefulShutdown) {
if (LOGGER.isInfoEnabled) {
LOGGER.info("Aborting graceful shutdown started due to hourly bandwidth limit")
}
LOGGER.info { "Aborting graceful shutdown started due to hourly bandwidth limit" }
this.state = state.lastRunning
}
if (state is Uninitialized) {
if (LOGGER.isInfoEnabled) {
LOGGER.info("Restarting server stopped due to hourly bandwidth limit")
}
LOGGER.info { "Restarting server stopped due to hourly bandwidth limit" }
loginAndStartServer()
}
} catch (e: Exception) {
LOGGER.warn("Hourly bandwidth check failed", e)
LOGGER.warn(e) { "Hourly bandwidth check failed" }
}
}, 1, 1, TimeUnit.HOURS)
@ -151,31 +147,27 @@ class MangaDexClient(private val clientSettings: ClientSettings) {
if (state is GracefulShutdown) {
when {
state.counts == 0 -> {
if (LOGGER.isInfoEnabled) {
LOGGER.info("Starting graceful shutdown")
}
LOGGER.info { "Starting graceful shutdown" }
logout()
isHandled.set(false)
this.state = state.copy(counts = state.counts + 1)
}
state.counts == timesToWait || !isHandled.get() -> {
if (LOGGER.isInfoEnabled) {
if (!isHandled.get()) {
LOGGER.info("No requests received, shutting down")
LOGGER.info { "No requests received, shutting down" }
} else {
LOGGER.info("Max tries attempted (${state.counts} out of $timesToWait), shutting down")
}
LOGGER.info { "Max tries attempted (${state.counts} out of $timesToWait), shutting down" }
}
stopServer(state.nextState)
state.action()
}
else -> {
if (LOGGER.isInfoEnabled) {
LOGGER.info(
LOGGER.info {
"Waiting another 15 seconds for graceful shutdown (${state.counts} out of $timesToWait)"
)
}
isHandled.set(false)
this.state = state.copy(counts = state.counts + 1)
}
@ -192,16 +184,15 @@ class MangaDexClient(private val clientSettings: ClientSettings) {
if (state is Running) {
val currentBytesSent = statistics.get().bytesSent - lastBytesSent
if (clientSettings.maxMebibytesPerHour != 0L && clientSettings.maxMebibytesPerHour * 1024 * 1024 /* MiB to bytes */ < currentBytesSent) {
if (LOGGER.isInfoEnabled) {
LOGGER.info("Shutting down server as hourly bandwidth limit reached")
}
LOGGER.info { "Shutting down server as hourly bandwidth limit reached" }
this.state = GracefulShutdown(lastRunning = state)
} else {
pingControl()
}
}
} catch (e: Exception) {
LOGGER.warn("Graceful shutdown checker failed", e)
LOGGER.warn(e) { "Graceful shutdown checker failed" }
}
}, 45, 45, TimeUnit.SECONDS)
}
@ -211,30 +202,23 @@ class MangaDexClient(private val clientSettings: ClientSettings) {
val newSettings = serverHandler.pingControl(state.settings)
if (newSettings != null) {
if (LOGGER.isInfoEnabled) {
LOGGER.info("Server settings received: $newSettings")
}
LOGGER.info { "Server settings received: $newSettings" }
if (newSettings.latestBuild > Constants.CLIENT_BUILD) {
if (LOGGER.isWarnEnabled) {
LOGGER.warn(
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
if (LOGGER.isInfoEnabled) {
LOGGER.info("Doing internal restart of HTTP server to refresh certs/upstream URL")
}
LOGGER.info { "Doing internal restart of HTTP server to refresh certs/upstream URL" }
this.state = GracefulShutdown(lastRunning = state) {
loginAndStartServer()
}
}
} else {
if (LOGGER.isInfoEnabled) {
LOGGER.info("Server ping failed - ignoring")
}
LOGGER.info { "Server ping failed - ignoring" }
}
}
@ -246,17 +230,13 @@ class MangaDexClient(private val clientSettings: ClientSettings) {
val server = getServer(cache, serverSettings, clientSettings, statistics, isHandled).start()
if (serverSettings.latestBuild > Constants.CLIENT_BUILD) {
if (LOGGER.isWarnEnabled) {
LOGGER.warn(
LOGGER.warn {
"Outdated build detected! Latest: ${serverSettings.latestBuild}, Current: ${Constants.CLIENT_BUILD}"
)
}
}
state = Running(server, serverSettings)
if (LOGGER.isInfoEnabled) {
LOGGER.info("Internal HTTP server was successfully started")
}
LOGGER.info { "Internal HTTP server was successfully started" }
}
private fun logout() {
@ -275,18 +255,15 @@ class MangaDexClient(private val clientSettings: ClientSettings) {
}
}
if (LOGGER.isInfoEnabled) {
LOGGER.info("Shutting down HTTP server")
}
LOGGER.info { "Shutting down HTTP server" }
state.server.stop()
if (LOGGER.isInfoEnabled) {
LOGGER.info("Internal HTTP server has shut down")
}
LOGGER.info { "Internal HTTP server has shut down" }
this.state = nextState
}
fun shutdown() {
LOGGER.info("Mangadex@Home Client stopping")
LOGGER.info { "Mangadex@Home Client stopping" }
val latch = CountDownLatch(1)
executorService.schedule({
@ -310,11 +287,11 @@ class MangaDexClient(private val clientSettings: ClientSettings) {
try {
cache.close()
} catch (e: IOException) {
LOGGER.error("Cache failed to close", e)
LOGGER.error(e) { "Cache failed to close" }
}
executorService.shutdown()
LOGGER.info("Mangadex@Home Client stopped")
LOGGER.info { "Mangadex@Home Client stopped" }
(LoggerFactory.getILoggerFactory() as LoggerContext).stop()
}

12
src/main/kotlin/mdnet/base/ServerHandler.kt
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@ -44,9 +44,7 @@ class ServerHandler(private val settings: ClientSettings) {
private val client = ApacheClient()
fun logoutFromControl(): Boolean {
if (LOGGER.isInfoEnabled) {
LOGGER.info("Disconnecting from the control server")
}
LOGGER.info { "Disconnecting from the control server" }
val params = mapOf<String, Any>(
"secret" to settings.clientSecret
)
@ -79,9 +77,7 @@ class ServerHandler(private val settings: ClientSettings) {
}
fun loginToControl(): ServerSettings? {
if (LOGGER.isInfoEnabled) {
LOGGER.info("Connecting to the control server")
}
LOGGER.info { "Connecting to the control server" }
val request = STRING_ANY_MAP_LENS(getPingParams(), Request(Method.POST, getServerAddress() + "ping"))
val response = client(request)
@ -94,9 +90,7 @@ class ServerHandler(private val settings: ClientSettings) {
}
fun pingControl(old: ServerSettings): ServerSettings? {
if (LOGGER.isInfoEnabled) {
LOGGER.info("Pinging the control server")
}
LOGGER.info { "Pinging the control server" }
val request = STRING_ANY_MAP_LENS(getPingParams(old.tls!!.createdAt), Request(Method.POST, getServerAddress() + "ping"))
val response = client(request)

18
src/main/kotlin/mdnet/base/data/Token.kt
View File

@ -1,3 +1,21 @@
/*
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/>.
*/
package mdnet.base.data
import com.fasterxml.jackson.databind.PropertyNamingStrategy

54
src/main/kotlin/mdnet/base/logging.kt Normal file
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@ -0,0 +1,54 @@
package mdnet.base
import org.slf4j.Logger
inline fun Logger.error(msg: () -> String) {
if (this.isErrorEnabled) {
this.error(msg())
}
}
inline fun Logger.warn(msg: () -> String) {
if (this.isWarnEnabled) {
this.warn(msg())
}
}
inline fun Logger.info(msg: () -> String) {
if (this.isInfoEnabled) {
this.info(msg())
}
}
inline fun Logger.debug(msg: () -> String) {
if (this.isDebugEnabled) {
this.debug(msg())
}
}
inline fun Logger.trace(msg: () -> String) {
if (this.isTraceEnabled) {
this.trace(msg())
}
}
inline fun Logger.error(e: Throwable, msg: () -> String) {
if (this.isErrorEnabled) {
this.error(msg(), e)
}
}
inline fun Logger.warn(e: Throwable, msg: () -> String) {
if (this.isWarnEnabled) {
this.warn(msg(), e)
}
}
inline fun Logger.info(e: Throwable, msg: () -> String) {
if (this.isInfoEnabled) {
this.info(msg(), e)
}
}
inline fun Logger.debug(e: Throwable, msg: () -> String) {
if (this.isDebugEnabled) {
this.debug(msg(), e)
}
}
inline fun Logger.trace(e: Throwable, msg: () -> String) {
if (this.isTraceEnabled) {
this.trace(msg(), e)
}
}

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

@ -47,8 +47,10 @@ import java.util.concurrent.atomic.AtomicReference
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.TlsCert
import mdnet.base.trace
import org.http4k.core.HttpHandler
import org.http4k.server.Http4kChannelHandler
import org.http4k.server.Http4kServer
@ -75,9 +77,7 @@ class Netty(private val tls: TlsCert, private val clientSettings: ClientSettings
}
override fun start(): Http4kServer = apply {
if (LOGGER.isInfoEnabled) {
LOGGER.info("Starting Netty with {} threads", clientSettings.threads)
}
LOGGER.info { "Starting Netty with ${clientSettings.threads} threads" }
val certs = getX509Certs(tls.certificate)
val sslContext = SslContextBuilder
@ -107,16 +107,10 @@ class Netty(private val tls: TlsCert, private val clientSettings: ClientSettings
ch.pipeline().addLast("handle_ssl", object : ChannelInboundHandlerAdapter() {
override fun exceptionCaught(ctx: ChannelHandlerContext, cause: Throwable) {
if (cause is SSLException || (cause is DecoderException && cause.cause is SSLException)) {
if (LOGGER.isTraceEnabled) {
LOGGER.trace("Ignored invalid SSL connection")
}
LOGGER.trace { "Ignored invalid SSL connection" }
} else if (cause is IOException || cause is SocketException) {
if (LOGGER.isInfoEnabled) {
LOGGER.info("User (downloader) abruptly closed the connection")
}
if (LOGGER.isTraceEnabled) {
LOGGER.trace("Exception in pipeline", cause)
}
LOGGER.info { "User (downloader) abruptly closed the connection" }
LOGGER.trace(cause) { "Exception in pipeline" }
} else if (cause !is ReadTimeoutException && cause !is WriteTimeoutException) {
ctx.fireExceptionCaught(cause)
}

45
src/main/kotlin/mdnet/base/server/Application.kt
View File

@ -19,13 +19,19 @@ along with this MangaDex@Home. If not, see <http://www.gnu.org/licenses/>.
/* ktlint-disable no-wildcard-imports */
package mdnet.base.server
import java.net.InetAddress
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
@ -39,11 +45,30 @@ 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 imageServer = ImageServer(cache, statistics, serverSettings, database, clientSettings.clientHostname, isHandled)
val client = ApacheClient(responseBodyMode = BodyMode.Stream, client = HttpClients.custom()
.disableConnectionState()
.setDefaultRequestConfig(
RequestConfig.custom()
.setCookieSpec(CookieSpecs.IGNORE_COOKIES)
.setConnectTimeout(3000)
.setSocketTimeout(3000)
.setConnectionRequestTimeout(3000)
.apply {
if (clientSettings.clientHostname != "0.0.0.0") {
setLocalAddress(InetAddress.getByName(clientSettings.clientHostname))
}
}
.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(
@ -62,6 +87,15 @@ fun getServer(cache: DiskLruCache, serverSettings: ServerSettings, clientSetting
.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 ->
@ -73,17 +107,14 @@ fun timeRequest(): Filter {
}
}
if (LOGGER.isInfoEnabled) {
LOGGER.info("Request for $cleanedUri received from ${request.source?.address}")
}
LOGGER.info { "Request for $cleanedUri received from ${request.source?.address}" }
val start = System.currentTimeMillis()
val response = next(request)
val latency = System.currentTimeMillis() - start
if (LOGGER.isInfoEnabled) {
LOGGER.info("Request for $cleanedUri completed (TTFB) in ${latency}ms")
}
LOGGER.info { "Request for $cleanedUri completed (TTFB) in ${latency}ms" }
response.header("X-Time-Taken", latency.toString())
}
}

101
src/main/kotlin/mdnet/base/server/ImageServer.kt
View File

@ -32,13 +32,11 @@ import java.io.BufferedInputStream
import java.io.BufferedOutputStream
import java.io.File
import java.io.InputStream
import java.net.InetAddress
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
@ -49,13 +47,12 @@ 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.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.CorsPolicy
@ -66,32 +63,19 @@ import org.jetbrains.exposed.sql.SchemaUtils
import org.jetbrains.exposed.sql.transactions.transaction
import org.slf4j.LoggerFactory
private const val THREADS_TO_ALLOCATE = 262144 // 2**18
class ImageServer(private val cache: DiskLruCache, private val statistics: AtomicReference<Statistics>, private val serverSettings: ServerSettings, private val database: Database, private val clientHostname: String, private val handled: AtomicBoolean) {
class ImageServer(
private val cache: DiskLruCache,
private val database: Database,
private val statistics: AtomicReference<Statistics>,
private val serverSettings: ServerSettings,
private val client: HttpHandler
) {
init {
transaction(database) {
SchemaUtils.create(ImageData)
}
}
private val executor = Executors.newCachedThreadPool()
private val client = ApacheClient(responseBodyMode = BodyMode.Stream, client = HttpClients.custom()
.disableConnectionState()
.setDefaultRequestConfig(
RequestConfig.custom()
.setCookieSpec(CookieSpecs.IGNORE_COOKIES)
.setConnectTimeout(3000)
.setSocketTimeout(3000)
.setConnectionRequestTimeout(3000)
.apply {
if (clientHostname != "0.0.0.0") {
setLocalAddress(InetAddress.getByName(clientHostname))
}
}
.build())
.setMaxConnTotal(THREADS_TO_ALLOCATE)
.setMaxConnPerRoute(THREADS_TO_ALLOCATE)
.build())
fun handler(dataSaver: Boolean, tokenized: Boolean = false): HttpHandler {
val sodium = LazySodiumJava(SodiumJava())
@ -115,30 +99,22 @@ class ImageServer(private val cache: DiskLruCache, private val statistics: Atomi
tokenArr.sliceArray(24 until tokenArr.size), tokenArr.sliceArray(0 until 24), serverSettings.tokenKey
)
} catch (_: SodiumException) {
if (LOGGER.isInfoEnabled) {
LOGGER.info("Request for $sanitizedUri rejected for invalid token")
}
LOGGER.info { "Request for $sanitizedUri rejected for invalid token" }
return@then Response(Status.FORBIDDEN)
}
)
} catch (e: JsonProcessingException) {
if (LOGGER.isInfoEnabled) {
LOGGER.info("Request for $sanitizedUri rejected for invalid token")
}
LOGGER.info { "Request for $sanitizedUri rejected for invalid token" }
return@then Response(Status.FORBIDDEN)
}
if (OffsetDateTime.now().isAfter(token.expires)) {
if (LOGGER.isInfoEnabled) {
LOGGER.info("Request for $sanitizedUri rejected for expired token")
}
LOGGER.info { "Request for $sanitizedUri rejected for expired token" }
return@then Response(Status.GONE)
}
if (token.hash != chapterHash) {
if (LOGGER.isInfoEnabled) {
LOGGER.info("Request for $sanitizedUri rejected for inapplicable token")
}
LOGGER.info { "Request for $sanitizedUri rejected for inapplicable token" }
return@then Response(Status.FORBIDDEN)
}
}
@ -161,7 +137,6 @@ class ImageServer(private val cache: DiskLruCache, private val statistics: Atomi
}
}
handled.set(true)
if (request.header("Referer")?.startsWith("https://mangadex.org") == false) {
snapshot?.close()
Response(Status.FORBIDDEN)
@ -170,10 +145,7 @@ class ImageServer(private val cache: DiskLruCache, private val statistics: Atomi
} else {
if (snapshot != null) {
snapshot.close()
if (LOGGER.isWarnEnabled) {
LOGGER.warn("Removing cache file for $sanitizedUri without corresponding DB entry")
}
LOGGER.warn { "Removing cache file for $sanitizedUri without corresponding DB entry" }
cache.removeUnsafe(imageId.toCacheId())
}
@ -189,9 +161,7 @@ class ImageServer(private val cache: DiskLruCache, private val statistics: Atomi
it.copy(browserCached = it.browserCached + 1)
}
if (LOGGER.isInfoEnabled) {
LOGGER.info("Request for $sanitizedUri cached by browser")
}
LOGGER.info { "Request for $sanitizedUri cached by browser" }
val lastModified = imageDatum.lastModified
snapshot.close()
@ -203,9 +173,7 @@ class ImageServer(private val cache: DiskLruCache, private val statistics: Atomi
it.copy(cacheHits = it.cacheHits + 1)
}
if (LOGGER.isInfoEnabled) {
LOGGER.info("Request for $sanitizedUri hit cache")
}
LOGGER.info { "Request for $sanitizedUri hit cache" }
respondWithImage(
CipherInputStream(BufferedInputStream(snapshot.getInputStream(0)), cipher),
@ -216,9 +184,8 @@ class ImageServer(private val cache: DiskLruCache, private val statistics: Atomi
}
private fun Request.handleCacheMiss(sanitizedUri: String, cipher: Cipher, imageId: String, imageDatum: ImageDatum?): Response {
if (LOGGER.isInfoEnabled) {
LOGGER.info("Request for $sanitizedUri missed cache")
}
LOGGER.info { "Request for $sanitizedUri missed cache" }
statistics.getAndUpdate {
it.copy(cacheMisses = it.cacheMisses + 1)
}
@ -226,16 +193,13 @@ class ImageServer(private val cache: DiskLruCache, private val statistics: Atomi
val mdResponse = client(Request(Method.GET, "${serverSettings.imageServer}$sanitizedUri"))
if (mdResponse.status != Status.OK) {
if (LOGGER.isTraceEnabled) {
LOGGER.trace("Upstream query for $sanitizedUri errored with status {}", mdResponse.status)
}
LOGGER.trace { "Upstream query for $sanitizedUri errored with status ${mdResponse.status}" }
mdResponse.close()
return Response(mdResponse.status)
}
if (LOGGER.isTraceEnabled) {
LOGGER.trace("Upstream query for $sanitizedUri succeeded")
}
LOGGER.trace { "Upstream query for $sanitizedUri succeeded" }
val contentType = mdResponse.header("Content-Type")!!
val contentLength = mdResponse.header("Content-Length")
@ -246,9 +210,7 @@ class ImageServer(private val cache: DiskLruCache, private val statistics: Atomi
// A null editor means that this file is being written to
// concurrently so we skip the cache process
return if (editor != null && contentLength != null && lastModified != null) {
if (LOGGER.isTraceEnabled) {
LOGGER.trace("Request for $sanitizedUri is being cached and served")
}
LOGGER.trace { "Request for $sanitizedUri is being cached and served" }
if (imageDatum == null) {
synchronized(database) {
@ -267,29 +229,20 @@ class ImageServer(private val cache: DiskLruCache, private val statistics: Atomi
) {
try {
if (editor.getLength(0) == contentLength.toLong()) {
if (LOGGER.isInfoEnabled) {
LOGGER.info("Cache download for $sanitizedUri committed")
}
LOGGER.info { "Cache download for $sanitizedUri committed" }
editor.commit()
} else {
if (LOGGER.isWarnEnabled) {
LOGGER.warn("Cache download for $sanitizedUri aborted")
}
LOGGER.warn { "Cache download for $sanitizedUri aborted" }
editor.abort()
}
} catch (e: Exception) {
if (LOGGER.isWarnEnabled) {
LOGGER.warn("Cache go/no go for $sanitizedUri failed", e)
}
LOGGER.warn(e) { "Cache go/no go for $sanitizedUri failed" }
}
}
respondWithImage(tee, contentLength, contentType, lastModified, false)
} else {
editor?.abort()
if (LOGGER.isTraceEnabled) {
LOGGER.trace("Request for $sanitizedUri is being served")
}
LOGGER.trace { "Request for $sanitizedUri is being served" }
respondWithImage(mdResponse.body.stream, contentLength, contentType, lastModified, false)
}
}

6
src/main/kotlin/mdnet/base/server/common.kt
View File

@ -25,6 +25,7 @@ import java.time.format.DateTimeFormatter
import java.util.*
import mdnet.BuildInfo
import mdnet.base.Constants
import mdnet.base.warn
import org.http4k.core.Filter
import org.http4k.core.HttpHandler
import org.http4k.core.Request
@ -51,9 +52,8 @@ fun catchAllHideDetails(): Filter {
try {
next(request)
} catch (e: Exception) {
if (LOGGER.isWarnEnabled) {
LOGGER.warn("Request error detected", e)
}
LOGGER.warn(e) { "Request error detected" }
Response(Status.INTERNAL_SERVER_ERROR)
}
}