build.gradle.kts

@@ -49,6 +49,8 @@ dependencies {
     implementation(libs.spring.grpc.starter)
     implementation(libs.grpc.services)
 
+    implementation("org.springframework.boot:spring-boot-starter-oauth2-client:3.4.3")
+
     runtimeOnly(libs.micrometer.registry.prometheus)
     runtimeOnly(libs.h2)
     runtimeOnly(libs.postgresql)

gradle/libs.versions.toml

@@ -14,6 +14,7 @@ springdoc = "2.8.6"
 mockk = "1.13.12"
 
 [libraries]
+spring-boot-starter-oauth2-client = { module = "org.springframework.boot:spring-boot-starter-oauth2-client" }
 spring-boot-starter-web = { module = "org.springframework.boot:spring-boot-starter-web" }
 spring-boot-starter-actuator = { module = "org.springframework.boot:spring-boot-starter-actuator" }
 spring-boot-starter-security = { module = "org.springframework.boot:spring-boot-starter-security" }

src/main/kotlin/com/project/movienight/adapters/security/CustomOAuth2UserService.kt

@@ -0,0 +1,57 @@
+package com.project.movienight.adapters.security.oauth2
+
+import com.project.movienight.application.ports.output.IdGenerator
+import com.project.movienight.application.ports.output.UserRepositoryPort
+import com.project.movienight.domain.model.User
+import org.slf4j.LoggerFactory
+import org.springframework.security.oauth2.client.userinfo.DefaultOAuth2UserService
+import org.springframework.security.oauth2.client.userinfo.OAuth2UserRequest
+import org.springframework.security.oauth2.core.OAuth2AuthenticationException
+import org.springframework.security.oauth2.core.user.OAuth2User
+import org.springframework.stereotype.Service
+
+@Service
+class CustomOAuth2UserService(
+    private val userRepository: UserRepositoryPort,
+    private val idGenerator: IdGenerator,
+) : DefaultOAuth2UserService() {
+
+    companion object {
+        private val log = LoggerFactory.getLogger(CustomOAuth2UserService::class.java)
+    }
+
+    override fun loadUser(userRequest: OAuth2UserRequest): OAuth2User {
+        val oAuth2User = super.loadUser(userRequest)
+        val registrationId = userRequest.clientRegistration.registrationId
+
+        log.debug("Processing OAuth2 login for provider: {}", registrationId)
+
+        return try {
+            val userInfo = OAuth2UserInfoFactory.getOAuth2UserInfo(registrationId, oAuth2User)
+            val user = findOrCreateUser(userInfo)
+            UserPrincipal.create(user, oAuth2User.attributes)
+        } catch (e: Exception) {
+            log.error("OAuth2 authentication failed: ${e.message}", e)
+            throw OAuth2AuthenticationException("Failed to process OAuth2 user data")
+        }
+    }
+
+    private fun findOrCreateUser(userInfo: OAuth2UserInfo): User {
+        val existingUser = userRepository.findByEmail(userInfo.getEmail())
+
+        return if (existingUser != null) {
+            log.debug("User found by email: {}", userInfo.getEmail())
+            existingUser
+        } else {
+            log.debug("Creating new user for provider: {}", userInfo.getProvider())
+            val newUser = User(
+                id = idGenerator.generateId(),
+                name = userInfo.getName(),
+                email = userInfo.getEmail(),
+                password = "", // OAuth2 пользователи не имеют пароля
+                library = null,
+            )
+            userRepository.save(newUser)
+        }
+    }
+}

src/main/kotlin/com/project/movienight/adapters/security/GoogleOAuth2UserInfo.kt

@@ -0,0 +1,16 @@
+package com.project.movienight.adapters.security.oauth2
+
+class GoogleOAuth2UserInfo(
+    private val attributes: Map<String, Any>
+) : OAuth2UserInfo {
+
+    override fun getProviderId(): String = attributes["sub"] as String
+
+    override fun getEmail(): String = attributes["email"] as String
+
+    override fun getName(): String = attributes["name"] as String
+
+    override fun getProvider(): String = "google"
+
+    override fun getAttributes(): Map<String, Any> = attributes
+}

src/main/kotlin/com/project/movienight/adapters/security/OAuth2UserInfo.kt

@@ -0,0 +1,9 @@
+package com.project.movienight.adapters.security.oauth2
+
+interface OAuth2UserInfo {
+    fun getProviderId(): String
+    fun getEmail(): String
+    fun getName(): String
+    fun getProvider(): String
+    fun getAttributes(): Map<String, Any>
+}

src/main/kotlin/com/project/movienight/adapters/security/OAuth2UserInfoFactory.kt

@@ -0,0 +1,18 @@
+package com.project.movienight.adapters.security.oauth2
+
+import org.springframework.security.oauth2.core.OAuth2AuthenticationException
+import org.springframework.security.oauth2.core.user.OAuth2User
+
+object OAuth2UserInfoFactory {
+
+    fun getOAuth2UserInfo(registrationId: String, user: OAuth2User): OAuth2UserInfo {
+        val attributes = user.attributes
+
+        return when (registrationId.lowercase()) {
+            "google" -> GoogleOAuth2UserInfo(attributes)
+            "yandex" -> YandexOAuth2UserInfo(attributes)
+            "vk" -> VkOAuth2UserInfo(attributes)
+            else -> throw OAuth2AuthenticationException("Unknown provider: $registrationId")
+        }
+    }
+}

src/main/kotlin/com/project/movienight/adapters/security/UserPrincipal.kt

@@ -0,0 +1,42 @@
+package com.project.movienight.adapters.security.oauth2
+
+import com.project.movienight.domain.model.User
+import org.springframework.security.core.GrantedAuthority
+import org.springframework.security.core.authority.SimpleGrantedAuthority
+import org.springframework.security.core.userdetails.UserDetails
+import org.springframework.security.oauth2.core.user.OAuth2User
+import java.util.*
+
+class UserPrincipal(
+    private val user: User,
+    private val attributes: Map<String, Any>? = null,
+) : OAuth2User, UserDetails {
+
+    fun getId(): UUID = user.id
+
+    override fun getName(): String = user.name
+
+    override fun getAttributes(): Map<String, Any> = attributes ?: emptyMap()
+
+    override fun getAuthorities(): Collection<GrantedAuthority> {
+        return listOf(SimpleGrantedAuthority("ROLE_USER"))
+    }
+
+    override fun getPassword(): String = user.password
+
+    override fun getUsername(): String = user.email
+
+    override fun isAccountNonExpired(): Boolean = true
+
+    override fun isAccountNonLocked(): Boolean = true
+
+    override fun isCredentialsNonExpired(): Boolean = true
+
+    override fun isEnabled(): Boolean = true
+
+    companion object {
+        fun create(user: User, attributes: Map<String, Any>? = null): UserPrincipal {
+            return UserPrincipal(user, attributes)
+        }
+    }
+}

src/main/kotlin/com/project/movienight/adapters/security/VkOAuth2UserInfo.kt

@@ -0,0 +1,26 @@
+package com.project.movienight.adapters.security.oauth2
+
+@Suppress("UNCHECKED_CAST")
+class VkOAuth2UserInfo(
+    private val attributes: Map<String, Any>
+) : OAuth2UserInfo {
+
+    override fun getProviderId(): String {
+        val response = attributes["response"] as? List<Map<String, Any>>
+        return response?.firstOrNull()?.get("id")?.toString() ?: ""
+    }
+
+    override fun getEmail(): String = attributes["email"] as? String ?: ""
+
+    override fun getName(): String {
+        val response = attributes["response"] as? List<Map<String, Any>>
+        val first = response?.firstOrNull()
+        val firstName = first?.get("first_name") as? String ?: ""
+        val lastName = first?.get("last_name") as? String ?: ""
+        return "$firstName $lastName".trim()
+    }
+
+    override fun getProvider(): String = "vk"
+
+    override fun getAttributes(): Map<String, Any> = attributes
+}

src/main/kotlin/com/project/movienight/adapters/security/YandexOAuth2UserInfo.kt

@@ -0,0 +1,20 @@
+package com.project.movienight.adapters.security.oauth2
+
+@Suppress("UNCHECKED_CAST")
+class YandexOAuth2UserInfo(
+    private val attributes: Map<String, Any>
+) : OAuth2UserInfo {
+
+    override fun getProviderId(): String = attributes["id"]?.toString() ?: ""
+
+    override fun getEmail(): String {
+        val emails = attributes["emails"] as? List<Map<String, String>>
+        return emails?.firstOrNull()?.get("value") ?: ""
+    }
+
+    override fun getName(): String = attributes["display_name"] as? String ?: ""
+
+    override fun getProvider(): String = "yandex"
+
+    override fun getAttributes(): Map<String, Any> = attributes
+}

src/main/kotlin/com/project/movienight/application/ports/output/UserRepositoryPort.kt

@@ -9,6 +9,8 @@ interface UserRepositoryPort {
 
     fun findById(id: UUID): User?
 
+    fun findByEmail(email: String): User?
+
     fun findAll(): List<User>
 
     fun deleteById(id: UUID)

src/main/kotlin/com/project/movienight/application/services/UserService.kt

@@ -36,6 +36,7 @@ class UserService(
                 id = idGenerator.generateId(),
                 name = command.name,
                 email = command.email,
+                password = "",
                 library = null,
             )
         return userRepository.save(user)

src/main/kotlin/com/project/movienight/domain/model/User.kt

@@ -6,5 +6,6 @@ data class User(
     val id: UUID,
     val name: String,
     val email: String,
+    val password: String,
     val library: FilmLibrary?,
 )