mangadex_at_home/src/main/kotlin/mdnet/base/ServerHandler.kt
2020-07-02 16:45:33 -05:00

126 lines
4.2 KiB
Kotlin

/*
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
import com.fasterxml.jackson.databind.DeserializationFeature
import com.fasterxml.jackson.module.kotlin.KotlinModule
import mdnet.base.ServerHandlerJackson.auto
import mdnet.base.settings.ClientSettings
import mdnet.base.settings.ServerSettings
import org.http4k.client.ApacheClient
import org.http4k.core.Body
import org.http4k.core.Method
import org.http4k.core.Request
import org.http4k.format.ConfigurableJackson
import org.http4k.format.asConfigurable
import org.http4k.format.withStandardMappings
import org.slf4j.LoggerFactory
object ServerHandlerJackson : ConfigurableJackson(
KotlinModule()
.asConfigurable()
.withStandardMappings()
.done()
.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
)
class ServerHandler(private val settings: ClientSettings) {
private val client = ApacheClient()
fun logoutFromControl(): Boolean {
if (LOGGER.isInfoEnabled) {
LOGGER.info("Disconnecting from the control server")
}
val params = mapOf<String, Any>(
"secret" to settings.clientSecret
)
val request = STRING_ANY_MAP_LENS(params, Request(Method.POST, getServerAddress() + "stop"))
val response = client(request)
return response.status.successful
}
private fun getPingParams(tlsCreatedAt: String? = null): Map<String, Any> =
mapOf<String, Any>(
"secret" to settings.clientSecret,
"port" to let {
if (settings.clientExternalPort != 0) {
settings.clientExternalPort
} else {
settings.clientPort
}
},
"disk_space" to settings.maxCacheSizeInMebibytes * 1024 * 1024,
"network_speed" to settings.maxKilobitsPerSecond * 1000 / 8,
"build_version" to Constants.CLIENT_BUILD
).let {
if (tlsCreatedAt != null) {
it.plus("tls_created_at" to tlsCreatedAt)
} else {
it
}
}
fun loginToControl(): ServerSettings? {
if (LOGGER.isInfoEnabled) {
LOGGER.info("Connecting to the control server")
}
val request = STRING_ANY_MAP_LENS(getPingParams(), Request(Method.POST, getServerAddress() + "ping"))
val response = client(request)
return if (response.status.successful) {
SERVER_SETTINGS_LENS(response).also { println(it) }
} else {
null
}
}
fun pingControl(old: ServerSettings): ServerSettings? {
if (LOGGER.isInfoEnabled) {
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)
return if (response.status.successful) {
SERVER_SETTINGS_LENS(response)
} else {
null
}
}
private fun getServerAddress(): String {
return if (settings.devSettings?.isDev != true)
SERVER_ADDRESS
else
SERVER_ADDRESS_DEV
}
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 const val SERVER_ADDRESS = "https://api.mangadex.network/"
private const val SERVER_ADDRESS_DEV = "http://localhost:28080/"
}
}