init projects

2026-06-17 18:58:41 +03:00
parent 8543c4e241
commit 21a768edd5
505 changed files with 19998 additions and 93 deletions
@@ -0,0 +1,10 @@
+package ru.shadowsparky.backend
+
+import org.koin.core.annotation.ComponentScan
+import org.koin.core.annotation.Configuration
+import org.koin.core.annotation.Module
+
+@Module
+@ComponentScan
+@Configuration
+class BackendCommon
@@ -0,0 +1,11 @@
+package ru.shadowsparky.backend.data
+
+import org.koin.core.annotation.Single
+
+@Single
+class EnvFetcher {
+    fun get(key: String, default: String = ""): String {
+        val value = System.getenv(key)
+        return value?.ifEmpty { default } ?: default
+    }
+}
@@ -0,0 +1,33 @@
+package ru.shadowsparky.backend.data
+
+import com.auth0.jwt.JWT
+import com.auth0.jwt.algorithms.Algorithm
+import org.koin.core.annotation.Single
+import ru.shadowsparky.backend.domain.JwtInfo
+import ru.shadowsparky.backend.domain.LOGIN_NAME
+import ru.shadowsparky.backend.domain.USER_ID_ARG
+import java.util.Date
+import java.util.concurrent.TimeUnit
+
+@Single
+class JwtPreparer(
+    private val jwtInfo: JwtInfo,
+    private val envFetcher: EnvFetcher
+) {
+    private val tokenTimeInMinutes = envFetcher.get("JWT_DURATION", "30").toLong()
+    fun prepare(
+        login: String,
+        userId: Long
+    ): String {
+        val exp = Date(System.currentTimeMillis() + TimeUnit.MINUTES.toMillis(tokenTimeInMinutes))
+        val token = JWT.create()
+            .withAudience(jwtInfo.audience)
+            .withIssuer(jwtInfo.issuer)
+            .withClaim(LOGIN_NAME, login)
+            .withClaim(USER_ID_ARG, userId)
+            .withSubject(userId.toString())
+            .withExpiresAt(exp)
+            .sign(Algorithm.HMAC512(jwtInfo.secret))
+        return token
+    }
+}
@@ -0,0 +1,20 @@
+package ru.shadowsparky.backend.data
+
+import org.koin.core.annotation.Single
+import org.slf4j.Logger
+import org.slf4j.LoggerFactory
+
+@Single
+class Logger {
+    private val loggers = hashMapOf<String, Logger>()
+
+    fun info(tag: String, message: String) = obtainLogger(tag).info(message)
+    fun debug(tag: String, message: String) = obtainLogger(tag).debug(message)
+    fun error(tag: String, e: Exception) = obtainLogger(tag).error("error occurred", e)
+
+    private fun obtainLogger(tag: String): Logger {
+        loggers[tag]?.let { return it }
+        loggers[tag] = LoggerFactory.getLogger(tag)
+        return loggers[tag]!!
+    }
+}
@@ -0,0 +1,20 @@
+package ru.shadowsparky.backend.data
+
+import org.koin.core.annotation.Single
+
+@Single
+class StringFetcher {
+    fun get(resource: StringResource): String {
+        return resource.message
+    }
+}
+
+enum class StringResource(val message: String) {
+    UNKNOWN_USER("Пользователь не найден или неверный пароль"),
+    INVALID_PASSWORD("Вы ввели неверный пароль"),
+    NO_CHANGES_PASS("Старый и новый пароль должны отличаться"),
+    USER_BLOCKED("Пользователь заблокирован"),
+    REG_BLOCKED("Регистрация недоступна. Доступ по приглашениям."),
+    ALREADY_REGISTERED("Пользователь уже существует"),
+    VIDEO_NOT_FOUND("Видео не найдено.")
+}
@@ -0,0 +1,27 @@
+package ru.shadowsparky.backend.data
+
+import com.auth0.jwt.JWT
+import com.auth0.jwt.algorithms.Algorithm
+import com.auth0.jwt.interfaces.DecodedJWT
+import org.koin.core.annotation.Factory
+import ru.shadowsparky.backend.domain.JwtInfo
+import ru.shadowsparky.backend.domain.LOGIN_NAME
+import ru.shadowsparky.backend.domain.LoginVerifier
+
+@Factory
+class TokenVerifier(
+    private val jwtInfo: JwtInfo,
+    private val loginVerifier: LoginVerifier
+) {
+
+    val verifier = JWT.require(Algorithm.HMAC512(jwtInfo.secret))
+        .withAudience(jwtInfo.audience)
+        .withIssuer(jwtInfo.issuer)
+        .build()
+
+    suspend fun verify(token: String): DecodedJWT {
+        val jwt = verifier.verify(token)
+        loginVerifier.verify(jwt.getClaim(LOGIN_NAME).asString())
+        return jwt
+    }
+}
@@ -0,0 +1,8 @@
+package ru.shadowsparky.backend.domain
+
+data class JwtInfo(
+    val secret: String,
+    val issuer: String,
+    val audience: String,
+    val realm: String
+)
@@ -0,0 +1,10 @@
+package ru.shadowsparky.backend.domain
+
+interface LoginVerifier {
+    suspend fun verify(login: String)
+}
+
+const val LOGIN_NAME = "login"
+const val USER_ID_ARG = "user_id"
+
+const val INVALID_TOKEN_MSG = "Был передан неправильный токен"
@@ -0,0 +1,3 @@
+package ru.shadowsparky.backend.domain
+
+class VerifyTokenException(override val message: String?) : IllegalStateException()