Files
KekWar/WebsiteBackend/src/de/steamwar/routes/Auth.kt
T

106 lines
3.9 KiB
Kotlin

/*
* This file is a part of the SteamWar software.
*
* Copyright (C) 2025 SteamWar.de-Serverteam
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package de.steamwar.routes
import de.steamwar.ResponseError
import de.steamwar.plugins.SWAuthPrincipal
import de.steamwar.sql.SteamwarUser
import de.steamwar.sql.Token
import de.steamwar.util.TokenType
import de.steamwar.util.lifetime
import de.steamwar.util.type
import io.ktor.http.*
import io.ktor.server.application.*
import io.ktor.server.auth.*
import io.ktor.server.request.*
import io.ktor.server.response.*
import io.ktor.server.routing.*
import kotlinx.serialization.Serializable
import java.time.LocalDateTime
import kotlin.time.Duration
import kotlin.time.toJavaDuration
@Serializable
data class UsernamePassword(val name: String, val password: String, val keepLoggedIn: Boolean = false)
@Serializable
data class ResponseToken(val token: String, val expires: String) {
constructor(token: String, lifetime: Duration) : this(token, LocalDateTime.now().plus(lifetime.toJavaDuration()).toString())
}
@Serializable
data class AuthTokenResponse(val accessToken: ResponseToken, val refreshToken: ResponseToken? = null)
fun SteamwarUser.createAccessAndRefreshToken(keepLoggedIn: Boolean = false): AuthTokenResponse {
val code = System.currentTimeMillis() % 1000
val accessToken = Token.createToken("AT-${userName}-${code}", this)
val refreshToken = if (keepLoggedIn) Token.createToken("RT-${userName}-${code}", this) else null
return AuthTokenResponse(ResponseToken(accessToken, TokenType.ACCESS_TOKEN.lifetime), refreshToken?.let { ResponseToken(it, TokenType.REFRESH_TOKEN.lifetime) })
}
fun Route.configureAuth() {
route("/auth") {
post {
val request = call.receive<UsernamePassword>()
SteamwarUser.clear()
val user = SteamwarUser.get(request.name)
val valid = user?.verifyPassword(request.password) ?: false
if (!valid) {
call.respond(HttpStatusCode.Forbidden, ResponseError("Invalid username or password", "invalid"))
return@post
}
call.respond(user.createAccessAndRefreshToken(request.keepLoggedIn))
}
put {
val token = call.principal<SWAuthPrincipal>()
if (token == null || token.token.type != TokenType.REFRESH_TOKEN) {
call.respond(HttpStatusCode.Forbidden, ResponseError("Invalid token type", "invalid"))
return@put
}
val code = token.token.name.substringAfterLast('-')
Token.listUser(token.user)
.filter { it.type == TokenType.ACCESS_TOKEN }
.filter { it.name.endsWith(code) }
.forEach { it.delete() }
call.respond(token.user.createAccessAndRefreshToken(true))
}
delete {
val token = call.principal<SWAuthPrincipal>()
token?.let { t ->
t.token.delete()
val code = t.token.name.substringAfterLast('-')
Token.listUser(token.user)
.filter { it.type == TokenType.REFRESH_TOKEN }
.filter { it.name.endsWith(code) }
.forEach { it.delete() }
}
call.respond(HttpStatusCode.OK)
}
}
}