NCBACK-33

# Conflicts:
#	src/main/java/ru/soune/nocopy/entity/file/ImageProtection.java
#	src/main/java/ru/soune/nocopy/entity/user/User.java
#	src/main/java/ru/soune/nocopy/handler/ImageFoundRequestHandler.java
#	src/main/java/ru/soune/nocopy/repository/AuthTokenRepository.java
#	src/main/java/ru/soune/nocopy/service/file/impl/FileUploadServiceImpl.java

.env

@@ -1,10 +1,19 @@
+# Postgres
 POSTGRES_DB=no_copy_
-POSTGRES_USER=postgres
+POSTGRES_USER=ncp_db
-POSTGRES_PASSWORD=postgres
+POSTGRES_PASSWORD=ncpDbApp
 POSTGRES_PORT=5432
 POSTGRES_HOST=postgres
 
+# Redis
 REDIS_HOST=redis
 REDIS_PORT=6379
 
+# Backend server
 SERVER_PORT=8080
+
+# Postfix
+MAIL_HOST_PROD=postfix-production
+MAIL_PORT_PROD=25
+MAIL_USERNAME_PROD=noreply@nocopy.com
+SMTP_PASSWORD_PROD=nocopy!nocopy!

Dockerfile

@@ -12,6 +12,8 @@ WORKDIR /app
 
 COPY --from=build /app/build/libs/*.jar app.jar
 
+RUN mkdir -p /data/uploads && chmod 755 /data/uploads
+
 EXPOSE 8080
 
 CMD ["java", "-jar", "app.jar"]

README.md

@@ -0,0 +1,78 @@
+Создаем сеть:
+docker network create app-network
+
+Войти в БД:
+docker exec -it postgres psql -U ncp_db -d no_copy_
+
+Выполнить команду:
+\du
+
+Должен быть один пользователь:
+                                    List of roles
+Role name |                         Attributes
+-----------+------------------------------------------------------------
+ncp_db    | Superuser, Create role, Create DB, Replication, Bypass RLS
+
+суперпользователь БД:
+postgres/postgres 
+пользователь бд для бэка
+ncp_db / ncpDbApp
+
+Подключение к БД для приложения,если volume не существует :
+
+Создаться автоматически.
+
+Если уже существует volume :
+
+docker exec -it postgres psql -U postgres -d postgres
+
+CREATE USER ncp_db WITH PASSWORD 'ncpDbApp';
+
+GRANT ALL PRIVILEGES ON DATABASE no_copy_ TO ncp_db;
+
+\du
+
+\q
+
+-------
+
+psql -U postgres -d no_copy_
+
+-- база
+
+GRANT CONNECT ON DATABASE no_copy_ TO ncp_db;
+
+-- схема
+
+GRANT USAGE ON SCHEMA public TO ncp_db;
+
+-- существующие таблицы
+
+GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA public TO ncp_db;
+
+-- существующие sequence (очень важно для id)
+
+GRANT ALL PRIVILEGES ON ALL SEQUENCES IN SCHEMA public TO ncp_db;
+
+-- будущие таблицы
+
+ALTER DEFAULT PRIVILEGES IN SCHEMA public
+GRANT ALL ON TABLES TO ncp_db;
+
+ALTER DEFAULT PRIVILEGES IN SCHEMA public
+GRANT ALL ON SEQUENCES TO ncp_db;
+
+
+Зайти в контейнер:
+docker exec -it {name} bash
+
+------
+
+Создать для сущности FileEntity sequence для икремента индетификатора
+
+CREATE SEQUENCE IF NOT EXISTS file_support_id_seq START 1;
+
+ALTER TABLE file_entities
+ALTER COLUMN support_id
+SET DEFAULT nextval('file_support_id_seq');
+

build.gradle

@@ -21,6 +21,9 @@ configurations {
 
 repositories {
 	mavenCentral()
+	flatDir {
+		dirs 'libs'
+	}
 }
 
 dependencies {
@@ -30,6 +33,16 @@ dependencies {
 	implementation 'org.springframework.security:spring-security-crypto:6.5.3'
 	implementation 'org.mapstruct:mapstruct:1.5.5.Final'
 	implementation 'commons-validator:commons-validator:1.7'
+	implementation group: 'org.springframework.boot', name: 'spring-boot-starter-mail', version: '4.0.1'
+
+	implementation group: 'com.google.cloud', name: 'google-cloud-vision', version: '3.55.0'
+	implementation group: 'com.google.api-client', name: 'google-api-client', version: '2.7.2'
+
+	implementation 'org.flywaydb:flyway-core:9.22.0'
+
+	implementation 'com.fasterxml.jackson.dataformat:jackson-dataformat-xml:2.17.0'
+	implementation 'tools.jackson.core:jackson-core:3.0.3'
+	implementation 'jakarta.xml.bind:jakarta.xml.bind-api:4.0.0'
 
 	annotationProcessor 'org.mapstruct:mapstruct-processor:1.5.5.Final'
 	annotationProcessor 'org.projectlombok:lombok'
@@ -45,6 +58,9 @@ dependencies {
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 	testImplementation 'org.mockito:mockito-core:5.3.1'
 	testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
+
+	implementation name: 'testlib-fat-0.2.1-all'
+
 }
 
 tasks.named('test') {

docker-compose.yaml

@@ -1,17 +1,69 @@
 version: '3.9'
 
 services:
+  storage:
+    image: alpine:latest
+    container_name: file-storage
+    deploy:
+      resources:
+        limits:
+          memory: 128M
+        reservations:
+          memory: 64M
+    networks:
+      - app-network
+    volumes:
+      - uploads_data:/storage:rw
+    command: tail -f /dev/null
+    restart: unless-stopped
+
+#  postfix:
+#    image: boky/postfix:latest
+#    container_name: postfix-production
+#    hostname: ${DOMAIN:-no-copy.ru}
+#    environment:
+#      - DOMAIN=${DOMAIN:-no-copy.ru}
+#      - ALLOWED_SENDER_DOMAINS=*
+#      - RELAYHOST=
+#      - DISABLE_SMTP_AUTH=
+#      - SMTP_USERNAME=${MAIL_USERNAME:-noreply@no-copy.ru}
+#      - SMTP_PASSWORD=${SMTP_PASSWORD:-nocopy!nocopy!}
+#      - RELAY_NETWORKS=172.16.0.0/12
+#      - POSTFIX_mynetworks=127.0.0.0/8 172.17.0.0/16 172.16.0.0/12
+#      - POSTFIX_smtpd_relay_restrictions=permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination
+#      - POSTFIX_smtpd_recipient_restrictions=permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination
+#      - DISABLE_SIGNING=true
+#    ports:
+#      - "25:25"
+#      - "587:587"
+#    networks:
+#      - app-network
+#    restart: unless-stopped
+
   db:
-    image: postgres:17
+    image: postgres:17.7
     restart: always
+    deploy:
+      resources:
+        limits:
+          cpus: '2.0'
+          memory: 2G
+        reservations:
+          cpus: '1.0'
+          memory: 1G
     environment:
       POSTGRES_DB: no_copy_
-      POSTGRES_USER: postgres
+      #      POSTGRES_USER: postgres
-      POSTGRES_PASSWORD: postgres
+      #      POSTGRES_PASSWORD: postgres
+      POSTGRES_USER: ${POSTGRES_USER}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
+      POSTGRES_SHARED_BUFFERS: 512MB
+      POSTGRES_EFFECTIVE_CACHE_SIZE: 1536MB
     ports:
       - "54320:5432"
     volumes:
       - pgdata:/var/lib/postgresql/data
+      - ./init-scripts:/docker-entrypoint-initdb.d:ro
     container_name: postgres
     networks:
       app-network:
@@ -21,12 +73,39 @@ services:
   app:
     build: .
     container_name: app-backend
+    deploy:
+      resources:
+        limits:
+          cpus: '1.5'
+          memory: 3G
+        reservations:
+          cpus: '0.5'
+          memory: 2G
     environment:
+      JAVA_TOOL_OPTIONS: "-Xmx2g -Xms1g -XX:MaxMetaspaceSize=512m -XX:+UseG1GC -XX:+HeapDumpOnOutOfMemoryError -XX:+UseContainerSupport -XX:InitialRAMPercentage=50 -XX:MaxRAMPercentage=75"
+      FILE_STORAGE_PATH: /data/uploads
+      MAX_FILE_SIZE: 10737418240
+      #      FILE_CHUNK_SIZE: 1048576
+      FILE_CHUNK_SIZE: 1000000
       POSTGRES_DB: no_copy_
-      POSTGRES_USER: postgres
+      #      POSTGRES_USER: postgres
-      POSTGRES_PASSWORD: postgres
+      #      POSTGRES_PASSWORD: postgres
+      POSTGRES_USER: ${POSTGRES_USER}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
       POSTGRES_PORT: 5432
       POSTGRES_HOST: db
+      STORAGE_SERVICE_URL: http://storage:8081
+      SPRING_PROFILES_ACTIVE: docker
+      YANDEX_API_KEY: AQVNyaVaUmgUb1GMCtf5zSEqFxy0woXrcMOOB43q
+      YANDEX_FOLDER_ID: b1gokpdbm6qfpsou8pcd
+      YANDEX_SEARCH_URL: "https://searchapi.api.cloud.yandex.net/v2/image/search_by_image"
+#      MAIL_HOST: postfix
+#      MAIL_PORT: 25
+#      MAIL_USERNAME: noreply@no-copy.ru
+#      SMTP_PASSWORD: nocopy!nocopy!
+#      SPRING_MAIL_PROPERTIES_MAIL_SMTP_STARTTLS_ENABLE: "false"
+#      SPRING_MAIL_PROPERTIES_MAIL_SMTP_AUTH: "false"
+#      SPRING_MAIL_PROPERTIES_MAIL_DEBUG: "true"
     depends_on:
       - db
     ports:
@@ -37,10 +116,23 @@ services:
           - app
           - backend
           - api
+    volumes:
+      - uploads_data:/data/uploads:rw
+    healthcheck:
+      test: [ "CMD-SHELL", "pg_isready -U ${POSTGRES_USER} -d no_copy_" ]
+      interval: 10s
+      retries: 5
 
   grafana:
     image: grafana/grafana:10.3.1
     container_name: grafana
+    deploy:
+      resources:
+        limits:
+          cpus: '0.5'
+          memory: 512M
+        reservations:
+          memory: 256M
     ports:
       - "3000:3000"
     depends_on:
@@ -57,6 +149,8 @@ services:
       GF_SECURITY_ADMIN_USER: admin
       GF_SECURITY_ADMIN_PASSWORD: admin
       GF_METRICS_ENABLED: "true"
+      GF_DATABASE_MAX_IDLE_CONN: "2"
+      GF_DATABASE_MAX_OPEN_CONN: "10"
     volumes:
       - ./infrastructure/grafana/provisioning:/etc/grafana/provisioning
       - ./infrastructure/grafana/dashboards:/var/lib/grafana/dashboards
@@ -71,10 +165,23 @@ services:
   prometheus:
     image: prom/prometheus:latest
     container_name: prometheus
+    deploy:
+      resources:
+        limits:
+          cpus: '0.5'
+          memory: 1G
+        reservations:
+          memory: 512M
     ports:
       - "9090:9090"
     volumes:
       - ./infrastructure/prometheus/prometheus.yml:/etc/prometheus/prometheus.yml
+      - prometheus_data:/prometheus
+    command:
+      - '--config.file=/etc/prometheus/prometheus.yml'
+      - '--storage.tsdb.path=/prometheus'
+      - '--storage.tsdb.retention.time=15d'  # Удерживать 15 дней
+      - '--web.enable-lifecycle'
     healthcheck:
       test: [ "CMD", "wget", "--spider", "http://localhost:9090/-/healthy" ]
       interval: 10s
@@ -86,10 +193,20 @@ services:
   loki:
     image: grafana/loki:2.9.2
     container_name: loki
+    deploy:
+      resources:
+        limits:
+          cpus: '1.0'
+          memory: 2G
+        reservations:
+          memory: 1G
     ports:
       - "3100:3100"
     volumes:
       - ./infrastructure/loki/loki-config.yaml:/etc/loki/loki-config.yaml:ro
+      - loki_data:/loki
+    command:
+      - -config.file=/etc/loki/loki-config.yaml
     healthcheck:
       test: [ "CMD", "wget", "--spider", "-q", "http://localhost:3100/ready" ]
       interval: 10s
@@ -101,6 +218,13 @@ services:
   tempo:
     image: grafana/tempo:2.4.1
     container_name: tempo
+    deploy:
+      resources:
+        limits:
+          cpus: '0.5'
+          memory: 512M
+        reservations:
+          memory: 256M
     command: [ "-config.file=/etc/tempo/tempo.yaml" ]
     volumes:
       - ./infrastructure/tempo/tempo.yaml:/etc/tempo/tempo.yaml
@@ -113,6 +237,13 @@ services:
   alloy:
     image: grafana/alloy:latest
     container_name: alloy
+    deploy:
+      resources:
+        limits:
+          cpus: '0.5'
+          memory: 256M
+        reservations:
+          memory: 128M
     user: root
     ports:
       - "9080:9080"
@@ -141,7 +272,9 @@ volumes:
   loki_chunks:
   loki_index:
   loki_rules:
-
+  uploads_data:
+  prometheus_data:
+#  postfix-data:
 networks:
   app-network:
     external: true

infrastructure/jenkins/deploy.groovy

@@ -7,7 +7,6 @@ pipeline {
                 defaultValue: 'dev',
                 description: 'Ветка для деплоя'
         )
-
         string(
                 name: 'SERVER',
                 defaultValue: '92.242.61.23',
@@ -18,6 +17,7 @@ pipeline {
     stages {
         stage('Git pull') {
             steps {
+                cleanWs()
                 script {
                     checkout([
                             $class: 'GitSCM',
@@ -39,123 +39,78 @@ pipeline {
                                     credentialsId: 'server-root-password',
                                     usernameVariable: 'SSH_USER',
                                     passwordVariable: 'SSH_PASS'
-                            )
+                            ),
+                            string(credentialsId: 'DB_USER', variable: 'DB_USER'),
+                            string(credentialsId: 'DB_PASSWORD', variable: 'DB_PASSWORD')
                     ]) {
                         sh """
                         echo "Deploying branch: ${params.BRANCH}"
 
                         echo "Copying files to server..."
-                            sshpass -p '$SSH_PASS' ssh $SSH_USER@$SERVER "mkdir -p /opt/deployments/${params.BRANCH}"
+                        sshpass -p '$SSH_PASS' ssh -o StrictHostKeyChecking=no $SSH_USER@$SERVER "mkdir -p /opt/deployments/${params.BRANCH}"
-                            sshpass -p '$SSH_PASS' scp -r ./* $SSH_USER@$SERVER:/opt/deployments/${params.BRANCH}/
 
-                            sshpass -p '$SSH_PASS' ssh $SSH_USER@$SERVER "
+                        sshpass -p '$SSH_PASS' rsync -av --delete \\
+                          --exclude=.git \\
+                          --exclude=.gradle \\
+                          --exclude=build \\
+                          --exclude=**/build \\
+                          --exclude=.idea \\
+                          --exclude=out \\
+                          . $SSH_USER@$SERVER:/opt/deployments/${params.BRANCH}/
+
+                        sshpass -p '$SSH_PASS' ssh -o StrictHostKeyChecking=no $SSH_USER@$SERVER "
                             cd /opt/deployments/${params.BRANCH}
 
-                                echo 'Step 1: Checking current state...'
+                            echo '1. Остановка старого приложения...'
+                            docker stop app-backend 2>/dev/null || echo 'Контейнер не найден'
+                            docker rm app-backend 2>/dev/null || echo 'Контейнер не найден'
 
-                                # Смотрим что запущено
+                            echo '2. Удаление старых образов...'
-                                docker ps --filter 'name=postgres|app-backend' --format 'table {{.Names}}\\t{{.Image}}\\t{{.Status}}\\t{{.Ports}}'
+                            docker images --filter 'reference=*app*' -q | xargs -r docker rmi -f 2>/dev/null || echo 'Нет образов для удаления'
 
-                                echo 'Step 2: Force cleanup old application...'
+                            echo '3. Создание сети если нужно...'
+                            docker network create app-network 2>/dev/null || echo 'Сеть уже существует'
 
-                                # Принудительно удаляем старый контейнер и образ
+                            echo '4. Запуск инфраструктуры...'
-                                docker stop app-backend 2>/dev/null || echo 'App not running'
+                            docker-compose up -d db storage
-                                docker rm app-backend 2>/dev/null || echo 'App not found'
-                                docker rmi app-backend:latest 2>/dev/null || echo 'Image not found'
 
-                                # Удаляем все образы app-backend
+                            echo '5. Ожидание PostgreSQL...'
-                                docker images --filter 'reference=app-backend*' -q | xargs -r docker rmi 2>/dev/null || echo 'No images to remove'
-                                
-                                echo 'Step 3: Verify copied files...'
-                                echo 'Files in directory:'
-                                ls -la
-                                echo ''
-                                echo 'Checking Java sources:'
-                                find . -name '*.java' | head -2
-                                
-                                echo 'Step 4: Check if PostgreSQL is running...'
-                                if ! docker ps | grep -q postgres; then
-                                    echo 'Starting PostgreSQL...'
-                                    docker-compose up -d db
                             sleep 10
-                                else
-                                    echo 'PostgreSQL already running'
-                                fi
 
-                                echo 'Step 5: Build application with forced rebuild...'
+                            echo '6. Сборка нового образа приложения...'
-                                echo 'Checking Dockerfile exists:'
+                            docker build --no-cache -t app-backend:latest .
-                                ls -la Dockerfile 2>/dev/null || echo 'Dockerfile not found, creating simple one'
 
-                                # Если нет Dockerfile, создаем простой
+                            echo '7. Запуск приложения...'
-                                if [ ! -f Dockerfile ]; then
-                                    echo 'Creating simple Dockerfile...'
-                                    cat > Dockerfile << 'EOF'
-FROM eclipse-temurin:21-jre
-WORKDIR /app
-COPY . /app/
-CMD ["java", "-jar", "app.jar"]
-EOF
-                                fi
-                                
-                                # Собираем с подробным выводом
-                                echo 'Building Docker image...'
-                                docker build --no-cache --progress=plain -t app-backend:latest . 2>&1 | tail -50
-                                
-                                echo 'Step 6: Verify new image...'
-                                echo 'Current app-backend images:'
-                                docker images | grep app-backend
-                                
-                                echo 'Image creation time:'
-                                docker inspect app-backend:latest --format='{{.Created}}' 2>/dev/null || echo 'Cannot inspect image'
-                                
-                                echo 'Step 7: Starting application with alias...'
                             docker run -d \\
                               --name app-backend \\
                               --network app-network \\
                               --network-alias app \\
                               -p 80:8080 \\
+                              -v uploads_data:/data/uploads:rw \\
                               -e POSTGRES_DB=no_copy_ \\
-                                  -e POSTGRES_USER=postgres \\
+                              -e POSTGRES_USER=$DB_USER \\
-                                  -e POSTGRES_PASSWORD=postgres \\
+                              -e POSTGRES_PASSWORD=$DB_PASSWORD \\
                               -e POSTGRES_PORT=5432 \\
                               -e POSTGRES_HOST=db \\
                               --restart unless-stopped \\
                               app-backend:latest
 
-                                echo 'Step 8: Checking deployment...'
+                            echo '8. Запуск мониторинга...'
-                                sleep 10
+                            docker-compose up -d grafana prometheus loki tempo alloy
 
-                                echo 'Containers status:'
+                            echo '9. Проверка...'
-                                docker ps --filter 'name=postgres|app-backend' --format 'table {{.Names}}\\t{{.Image}}\\t{{.Status}}\\t{{.CreatedAt}}'
-                                
-                                echo 'Checking image inside container:'
-                                docker exec app-backend ls -la /app/ 2>/dev/null || echo 'Cannot check container files'
-                                
-                                echo 'Application logs (last 10 lines):'
-                                docker logs --tail=10 app-backend 2>/dev/null || echo 'Logs not available yet'
-                                
-                                echo 'Step 9: Health check...'
-                                if docker ps | grep -q app-backend; then
-                                    echo 'Container is running'
-                                    echo 'Testing application health...'
-                                    for i in {1..5}; do
-                                        if curl -s -f http://localhost:80/health > /dev/null 2>&1; then
-                                            echo 'Health check passed'
-                                            echo 'Deployment successful'
-                                            echo 'Application URL: http://${params.SERVER}:80'
-                                            exit 0
-                                        fi
-                                        echo 'Waiting for application to start... attempt ' \$i
                             sleep 5
-                                    done
 
-                                    echo 'Health check failed, but container is running'
+                            echo 'Статус контейнеров:'
-                                    echo 'Application might be starting slowly'
+                            docker ps --format 'table {{.Names}}\\t{{.Image}}\\t{{.Status}}'
-                                    echo 'Application URL: http://${params.SERVER}:80'
+
+                            echo '10. Проверка health...'
+                            if curl -s -f http://localhost:80/health > /dev/null 2>&1; then
+                                echo 'Приложение работает'
+                                echo 'URL: http://${params.SERVER}:80'
                             else
-                                    echo 'Application failed to start'
+                                echo 'Проверка health не удалась'
-                                    docker logs app-backend
+                                docker logs app-backend --tail=20
-                                    exit 1
                             fi
                         "
                         """

init-scripts/01-init.sql

@@ -0,0 +1,19 @@
+DO $$
+BEGIN
+   IF NOT EXISTS (SELECT FROM pg_roles WHERE rolname = 'ncp_db') THEN
+      CREATE USER ncp_db WITH PASSWORD 'ncpDbApp';
+END IF;
+END
+$$;
+
+GRANT CONNECT ON DATABASE no_copy_ TO ncp_db;
+GRANT USAGE ON SCHEMA public TO ncp_db;
+
+GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA public TO ncp_db;
+GRANT ALL PRIVILEGES ON ALL SEQUENCES IN SCHEMA public TO ncp_db;
+
+ALTER DEFAULT PRIVILEGES IN SCHEMA public
+GRANT ALL ON TABLES TO ncp_db;
+
+ALTER DEFAULT PRIVILEGES IN SCHEMA public
+GRANT ALL ON SEQUENCES TO ncp_db;

referral/build.gradle.kts

@@ -0,0 +1,26 @@
+plugins {
+    kotlin("jvm") version "2.1.10"
+}
+
+group = "ru.soune"
+version = "1.0.0"
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.10.2")
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core-jvm:1.10.2")
+
+    implementation("io.insert-koin:koin-core:4.1.1")
+    implementation("io.insert-koin:koin-core-jvm:4.1.1")
+}
+
+tasks.test {
+    useJUnitPlatform()
+}
+kotlin {
+    jvmToolchain(21)
+}

referral/src/main/kotlin/Main.kt

@@ -0,0 +1,5 @@
+package ru.soune
+
+fun main() {
+    println("Hello World!")
+}

settings.gradle

@@ -1 +1,6 @@
+plugins {
+    id 'org.gradle.toolchains.foojay-resolver-convention' version '0.8.0'
+}
 rootProject.name = 'no-copy'
+include 'referral'
+

src/main/java/ru/soune/nocopy/NoCopyApplication.java

@@ -2,8 +2,10 @@ package ru.soune.nocopy;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.scheduling.annotation.EnableScheduling;
 
 @SpringBootApplication
+@EnableScheduling
 public class NoCopyApplication {
 
 	public static void main(String[] args) {

src/main/java/ru/soune/nocopy/configuration/ApplicationConfig.java

@@ -1,17 +1,49 @@
 package ru.soune.nocopy.configuration;
 
+import com.vrt.AudioFilePathProvider;
+import com.vrt.fileprotection.FileProtector;
+import com.vrt.fileprotection.audio.AudioLocalSearch;
+import com.vrt.fileprotection.image.ImageLocalSearch;
+import com.vrt.fileprotection.image.ImageUniqueCheck;
+import com.vrt.fileprotection.image.phash.PerceptualHashHelper;
+import lombok.AllArgsConstructor;
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
 import org.springframework.security.crypto.password.PasswordEncoder;
 
+import java.util.Collections;
+
 @Configuration
 @EnableAutoConfiguration
+@AllArgsConstructor
 public class ApplicationConfig {
 
     @Bean
     PasswordEncoder passwordEncoder() {
         return new BCryptPasswordEncoder();
     }
+
+    @Bean
+    public com.vrt.
+            NoCopyFileService noCopyFileService(
+            FileProtector.FileProvider fileProvider,
+            FileProtector.ProcessingListener processingListener,
+            ImageUniqueCheck imageUniqueCheck,
+            ImageLocalSearch imageLocalSearch,
+            AudioLocalSearch audioLocalSearch,
+            AudioFilePathProvider audioFilePathProvider) {
+
+        return new com.vrt.NoCopyFileService(
+                Collections.emptyList(),
+                fileProvider,
+                processingListener,
+                imageUniqueCheck,
+                imageLocalSearch,
+                audioLocalSearch,
+                audioFilePathProvider
+        );
+    }
 }
+

src/main/java/ru/soune/nocopy/configuration/HandlerConfig.java

@@ -0,0 +1,36 @@
+package ru.soune.nocopy.configuration;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import ru.soune.nocopy.handler.*;
+
+import java.util.HashMap;
+import java.util.Map;
+
+@Configuration
+public class HandlerConfig {
+
+    @Bean
+    public Map<Integer, RequestHandler> handlers(
+            RegRequestHandler reg,
+            LoginRequestHandler login,
+            FileUploadHandler upload,
+            FileEntityHandler file,
+            LogoutRequestHandler logoutHandler,
+            ImageFoundRequestHandler imageFoundRequestHandler,
+            VerifyRegisterUserHandler verifyRegisterUser,
+            AuthRequestHandler authRequestHandler
+    ) {
+        Map<Integer, RequestHandler> map = new HashMap<>();
+        map.put(20001, login);
+        map.put(20002, reg);
+        map.put(20004, upload);
+        map.put(20005, file);
+        map.put(20006, logoutHandler);
+        map.put(20007, imageFoundRequestHandler);
+        map.put(20008, authRequestHandler);
+        map.put(20009, verifyRegisterUser);
+
+        return map;
+    }
+}

src/main/java/ru/soune/nocopy/configuration/JacksonConfig.java

@@ -35,6 +35,8 @@ public class JacksonConfig {
 
         mapper.registerModule(javaTimeModule);
         mapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
+        mapper.configure(com.fasterxml.jackson.databind.DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+        mapper.enable(SerializationFeature.INDENT_OUTPUT);
 
         return mapper;
     }

src/main/java/ru/soune/nocopy/configuration/RestTemplateConfig.java

@@ -0,0 +1,22 @@
+package ru.soune.nocopy.configuration;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.client.SimpleClientHttpRequestFactory;
+import org.springframework.web.client.RestTemplate;
+
+@Configuration
+public class RestTemplateConfig {
+
+    @Bean
+    public RestTemplate restTemplate() {
+        RestTemplate restTemplate = new RestTemplate();
+
+        SimpleClientHttpRequestFactory requestFactory = new SimpleClientHttpRequestFactory();
+        requestFactory.setConnectTimeout(30000);
+        requestFactory.setReadTimeout(60000);
+        restTemplate.setRequestFactory(requestFactory);
+
+        return restTemplate;
+    }
+}

src/main/java/ru/soune/nocopy/configuration/file/AsyncConfig.java

@@ -0,0 +1,24 @@
+package ru.soune.nocopy.configuration.file;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.scheduling.annotation.EnableAsync;
+import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
+
+import java.util.concurrent.Executor;
+
+@Configuration
+@EnableAsync
+public class AsyncConfig {
+
+    @Bean(name = "fileUploadTaskExecutor")
+    public Executor fileUploadTaskExecutor() {
+        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
+        executor.setCorePoolSize(3);
+        executor.setMaxPoolSize(10);
+        executor.setQueueCapacity(50);
+        executor.setThreadNamePrefix("FileUpload-");
+        executor.initialize();
+        return executor;
+    }
+}

src/main/java/ru/soune/nocopy/configuration/file/NoCopyInitializer.java

@@ -0,0 +1,19 @@
+package ru.soune.nocopy.configuration.file;
+
+import lombok.AllArgsConstructor;
+import org.springframework.boot.context.event.ApplicationReadyEvent;
+import org.springframework.context.event.EventListener;
+import org.springframework.stereotype.Component;
+import ru.soune.nocopy.service.file.FileProcessingOrchestrator;
+
+@Component
+@AllArgsConstructor
+public class NoCopyInitializer {
+
+    private final FileProcessingOrchestrator orchestrator;
+
+    @EventListener(ApplicationReadyEvent.class)
+    public void initializeOnStartup() {
+        orchestrator.initializeProcessingQueue();
+    }
+}

src/main/java/ru/soune/nocopy/controller/ApiController.java

@@ -1,27 +1,49 @@
 package ru.soune.nocopy.controller;
 
-import jakarta.annotation.PostConstruct;
+import com.vrt.NoCopyFileService;
+import com.vrt.fileprotection.FileProtector;
+import com.vrt.fileprotection.NoCopyCheckResult;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
-import org.springframework.context.ApplicationContext;
+import org.springframework.core.io.Resource;
+import org.springframework.core.io.UrlResource;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.web.PageableDefault;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.validation.BindingResult;
 import org.springframework.validation.FieldError;
 import org.springframework.web.bind.annotation.*;
+import org.springframework.web.multipart.MultipartFile;
 import ru.soune.nocopy.dto.BaseRequest;
 import ru.soune.nocopy.dto.BaseResponse;
 import ru.soune.nocopy.dto.MessageCode;
-import ru.soune.nocopy.dto.RegAnswer;
+import ru.soune.nocopy.dto.file.*;
-import ru.soune.nocopy.exception.NotValidFieldException;
+import ru.soune.nocopy.dto.register.RegAnswer;
-import ru.soune.nocopy.exception.ValidationException;
+import ru.soune.nocopy.entity.file.FileEntity;
-import ru.soune.nocopy.handler.LoginRequestHandler;
+import ru.soune.nocopy.entity.file.FileStatus;
-import ru.soune.nocopy.handler.LogoutRequestHandler;
+import ru.soune.nocopy.entity.file.ProtectionStatus;
-import ru.soune.nocopy.handler.RegRequestHandler;
+import ru.soune.nocopy.entity.file.UploadStatus;
-import ru.soune.nocopy.handler.RequestHandler;
+import ru.soune.nocopy.exception.*;
+import ru.soune.nocopy.handler.*;
+import ru.soune.nocopy.repository.FileEntityRepository;
+import ru.soune.nocopy.service.FileSimilarityService;
+import ru.soune.nocopy.service.register.AuthService;
+import ru.soune.nocopy.service.file.FileEntityService;
+import ru.soune.nocopy.service.file.FileUploadService;
+import ru.soune.nocopy.util.FileUtil;
 
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Optional;
 import java.util.stream.Collectors;
 
 @Slf4j
@@ -29,20 +51,21 @@ import java.util.stream.Collectors;
 @RequestMapping("/api")
 @RequiredArgsConstructor
 public class ApiController {
-    private final ApplicationContext applicationContext;
+    private final FileUploadService fileUploadService;
 
-    private Map<Integer, RequestHandler> handlers = new HashMap<>();
+    private final Map<Integer, RequestHandler> handlers;
 
-    @PostConstruct
+    private final FileEntityService fileEntityService;
-    public void init() {
-        RegRequestHandler regHandler = applicationContext.getBean(RegRequestHandler.class);
-        LoginRequestHandler loginHandler = applicationContext.getBean(LoginRequestHandler.class);
-        LogoutRequestHandler logoutHandler = applicationContext.getBean(LogoutRequestHandler.class);
 
-        handlers.put(20001, loginHandler);
+    private final AuthService authService;
-        handlers.put(20002, regHandler);
+
-        handlers.put(20006, logoutHandler);
+    private final FileSimilarityService fileSimilarityService;
-    }
+
+    private final FileEntityRepository fileEntityRepository;
+
+    private final NoCopyFileService noCopyFileService;
+
+    private final FileUtil fileUtil;
 
     @PostMapping("/v{version}/data")
     public ResponseEntity<?> handlePostRequest(@RequestBody BaseRequest request,
@@ -65,6 +88,12 @@ public class ApiController {
             return ResponseEntity.ok().body(response);
         } catch (ValidationException e) {
             return createValidationErrorResponse(e.getBindingResult(), e.getMsgId());
+        } catch (UserNotFoundException e) {
+            return ResponseEntity.ok().body(new BaseResponse(msgId, MessageCode.USER_NOT_FOUND.getCode(),
+                    MessageCode.USER_NOT_FOUND.getDescription(), new HashMap<>()));
+        } catch (NotFoundAuthToken e) {
+            return ResponseEntity.ok().body(new BaseResponse(msgId, MessageCode.AUTH_TOKEN_NOT_FOUND.getCode(),
+                    MessageCode.AUTH_TOKEN_NOT_FOUND.getDescription(), new HashMap<>()));
         } catch (NotValidFieldException e) {
             throw e;
         } catch (Exception e) {
@@ -79,6 +108,390 @@ public class ApiController {
         }
     }
 
+    @PostMapping("/v{version}/files/chunk")
+    public ResponseEntity<BaseResponse> uploadChunk(
+            @PathVariable("version") int version,
+            @RequestParam(value = "upload_id", required = false) String uploadId,
+            @RequestParam(value = "chunk_number", required = false) Integer chunkNumber,
+            @RequestParam(value = "chunk", required = false) MultipartFile chunk,
+            @RequestParam(value = "findSimilar", required = false, defaultValue = "0") Integer findSimilar) {
+        try {
+            if (chunk == null || chunk.isEmpty()) {
+                return buildErrorResponse(uploadId, chunkNumber, "Chunk file null or empty");
+            }
+            if (uploadId == null || uploadId.isBlank()) {
+                return buildErrorResponse(uploadId, chunkNumber, "Upload ID is required");
+            }
+            if (chunkNumber == null || chunkNumber < 0) {
+                return buildErrorResponse(uploadId, chunkNumber, "Valid chunk number is required");
+            }
+
+            UploadProgressResponse uploadProgressResponse = fileUploadService.uploadChunk(uploadId, chunkNumber,
+                    chunk, findSimilar);
+
+            return buildSuccessResponse(uploadId, chunkNumber, chunk,
+                    fileEntityService.findFileIdByPath(uploadProgressResponse.getFilePath()));
+        } catch (DuplicateImageException e) {
+            Map<String, Object> duplicateData = new HashMap<>();
+            duplicateData.put("duplicateFileId", e.duplicateFileId());
+            duplicateData.put("userId", e.userId());
+            duplicateData.put("message", e.getMessage());
+
+            if (uploadId != null) {
+                duplicateData.put("uploadId", uploadId);
+            }
+
+            return ResponseEntity.ok().body(new BaseResponse(
+                    20004,
+                    MessageCode.DUPLICATE_FILE_UPLOAD.getCode(),
+                    MessageCode.DUPLICATE_FILE_UPLOAD.getDescription(),
+                    duplicateData
+            ));
+        } catch (Exception e) {
+            log.error("Error uploading chunk", e);
+            return buildErrorResponse(uploadId, chunkNumber, "Failed to upload chunk: " + e.getMessage());
+        }
+    }
+
+    @GetMapping("/v{version}/files/{fileId}/similar")
+    public ResponseEntity<BaseResponse> findSimilarFiles(
+            @PathVariable("version") int version,
+            @PathVariable String fileId,
+            @RequestParam(value = "auth_token",required = false) String authToken,
+            @RequestParam(required = false) List<String> similarityLevels,
+            @PageableDefault(size = 20, sort = "hammingDistance") Pageable pageable) {
+        SimilarityFilter filter = SimilarityFilter.builder()
+                .similarityLevels(similarityLevels)
+                .build();
+        Page<SimilarFileDTO> similarFiles = fileSimilarityService.findSimilarFiles(fileId, filter, pageable, authToken);
+
+        String messageDesc;
+        MessageCode success;
+
+        if (similarFiles.isEmpty()) {
+            messageDesc = MessageCode.FILE_NOT_FOUND.getDescription();
+            success = MessageCode.SUCCESS;
+        } else {
+            messageDesc = MessageCode.SIMILAR_FILES_FOUND.getDescription();
+            success = MessageCode.SUCCESS;
+        }
+
+        Map<String, Object> responseData = new HashMap<>();
+        responseData.put("content", similarFiles.getContent());
+        responseData.put("page", similarFiles.getNumber());
+        responseData.put("size", similarFiles.getSize());
+        responseData.put("totalElements", similarFiles.getTotalElements());
+        responseData.put("totalPages", similarFiles.getTotalPages());
+        responseData.put("hasNext", similarFiles.hasNext());
+        responseData.put("hasPrevious", similarFiles.hasPrevious());
+
+        return ResponseEntity.ok()
+                .body(new BaseResponse(20004, success.getCode(), messageDesc, responseData));
+    }
+
+    @GetMapping("/v{version}/files/progress/{uploadId}")
+    public ResponseEntity<BaseResponse> getUploadProgress(
+            @PathVariable("version") int version,
+            @PathVariable String uploadId) {
+
+        log.info("Getting progress for upload session: {}, version: {}", uploadId, version);
+
+        try {
+            var progress = fileUploadService.getUploadProgress(uploadId);
+
+            UploadProgress responseBody = UploadProgress.builder()
+                    .uploadId(progress.getUploadId())
+                    .fileName(progress.getFileName())
+                    .totalChunks(progress.getTotalChunks())
+                    .uploadedChunks(progress.getUploadedChunks())
+                    .status(progress.getStatus().toString())
+                    .progressPercentage(progress.getProgressPercentage())
+                    .filePath(progress.getFilePath())
+                    .remainingChunks(progress.getTotalChunks() - progress.getUploadedChunks())
+                    .build();
+
+            return ResponseEntity.ok().body(new BaseResponse(
+                    20004, MessageCode.SUCCESS.getCode(), MessageCode.SUCCESS.getDescription(), responseBody));
+        } catch (Exception e) {
+            log.error("Error getting progress for upload: {}", uploadId, e);
+
+            UploadProgress responseBody = UploadProgress.builder()
+                    .uploadId(uploadId)
+                    .build();
+
+            return ResponseEntity.ok().body(new BaseResponse(
+                    20004, MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                    "Failed to get upload progress: " + e.getMessage(), responseBody));
+        }
+    }
+
+    @PostMapping("/v{version}/files/{uploadId}/complete")
+    public ResponseEntity<BaseResponse> completeUpload(
+            @PathVariable("version") int version,
+            @PathVariable String uploadId) {
+
+        log.info("Completing upload session: {}, version: {}", uploadId, version);
+
+        try {
+            var progress = fileUploadService.getUploadProgress(uploadId);
+
+            if (progress.getStatus() == UploadStatus.COMPLETED) {
+                CompleteUploadResponse responseBody = CompleteUploadResponse.builder()
+                        .uploadId(progress.getUploadId())
+                        .status(progress.getStatus().toString())
+                        .uploadedChunks(progress.getUploadedChunks())
+                        .totalChunks(progress.getTotalChunks())
+                        .message("Upload already completed")
+                        .filePath(progress.getFilePath())
+                        .build();
+
+                return ResponseEntity.ok().body(new BaseResponse(20004, MessageCode.SUCCESS.getCode(),
+                        "Upload already completed", responseBody));
+            }
+
+            if (progress.getUploadedChunks() < progress.getTotalChunks()) {
+                CompleteUploadResponse responseBody = CompleteUploadResponse.builder()
+                        .uploadId(progress.getUploadId())
+                        .status(progress.getStatus().toString())
+                        .uploadedChunks(progress.getUploadedChunks())
+                        .totalChunks(progress.getTotalChunks())
+                        .message("Not all chunks uploaded")
+                        .build();
+
+                return ResponseEntity.ok().body(new BaseResponse(20004, MessageCode.INCOMPLETE_UPLOAD.getCode(),
+                        "Not all chunks uploaded", responseBody));
+            }
+
+            CompleteUploadResponse responseBody = CompleteUploadResponse.builder()
+                    .uploadId(progress.getUploadId())
+                    .status(progress.getStatus().toString())
+                    .uploadedChunks(progress.getUploadedChunks())
+                    .totalChunks(progress.getTotalChunks())
+                    .message("File assembly in progress")
+                    .build();
+
+            return ResponseEntity.ok().body(new BaseResponse(20004, MessageCode.SUCCESS.getCode(),
+                    "File assembly in progress", responseBody));
+
+        } catch (Exception e) {
+            log.error("Error completing upload: {}", uploadId, e);
+
+            CompleteUploadResponse responseBody = CompleteUploadResponse.builder()
+                    .uploadId(uploadId)
+                    .build();
+
+            return ResponseEntity.ok().body(new BaseResponse(20004, MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                    "Failed to complete upload: " + e.getMessage(), responseBody));
+        }
+    }
+
+
+    @GetMapping("/v{version}/files/download/{fileId}")
+    public ResponseEntity<?> downloadFile(
+            @PathVariable(required = false) String fileId,
+            @PathVariable(required = false) Integer version,
+            @RequestHeader(value = "Authorization", required = false) String tokenHeader) {
+        try {
+            if (tokenHeader == null) {
+                Map<String, Object> errorData = new HashMap<>();
+                errorData.put("token", tokenHeader);
+                errorData.put("fileId", fileId);
+                errorData.put("version", version);
+
+                return ResponseEntity.ok().body(new BaseResponse(20004,
+                        MessageCode.FILE_DOWNLOAD_ERROR_NOT_CORRECT_FIELD.getCode(),
+                        MessageCode.FILE_DOWNLOAD_ERROR_NOT_CORRECT_FIELD.getDescription(),
+                        errorData));
+            }
+
+            Long userId = authService.useUserAuthToken(tokenHeader);
+            FileEntityResponse entityResponse = fileEntityService.getById(fileId, version);
+
+            if (!entityResponse.getUserId().equals(userId)) {
+                Map<String, Object> errorData = new HashMap<>();
+                errorData.put("token", tokenHeader);
+
+                return ResponseEntity.ok().body(new BaseResponse(20004,
+                        MessageCode.FILE_DOWNLOAD_ERROR.getCode(),
+                        MessageCode.FILE_DOWNLOAD_ERROR.getDescription(),
+                        errorData));
+            }
+
+            if (entityResponse.getStatus().equals(FileStatus.DELETED)) {
+                Map<String, Object> errorData = new HashMap<>();
+                errorData.put("file_status", entityResponse.getStatus());
+
+                return ResponseEntity.ok().body(new BaseResponse(20004,
+                        MessageCode.FILE_DOWNLOAD_ERROR.getCode(),
+                        MessageCode.FILE_DOWNLOAD_ERROR.getDescription(),
+                        errorData));
+            }
+
+            if (!entityResponse.isExistsOnDisk()) {
+                Map<String, Object> errorData = new HashMap<>();
+                errorData.put("onDisk", entityResponse.isExistsOnDisk());
+
+                return ResponseEntity.ok().body(new BaseResponse(20004,
+                        MessageCode.FILE_DOWNLOAD_ERROR.getCode(),
+                        MessageCode.FILE_DOWNLOAD_ERROR.getDescription(),
+                        errorData));
+            }
+
+            Path filePath = Paths.get(entityResponse.getFilePath());
+            Resource resource = new UrlResource(filePath.toUri());
+
+            if (!resource.exists()) {
+                Map<String, Object> errorData = new HashMap<>();
+                errorData.put("resource", resource.exists());
+
+                return ResponseEntity.ok().body(new BaseResponse(20004,
+                        MessageCode.FILE_DOWNLOAD_ERROR.getCode(),
+                        MessageCode.FILE_DOWNLOAD_ERROR.getDescription(),
+                        errorData));
+            }
+
+            String contentType = determineContentType(filePath);
+
+            return ResponseEntity.ok()
+                    .contentType(MediaType.parseMediaType(contentType))
+                    .header(HttpHeaders.CONTENT_DISPOSITION,
+                            "attachment; filename=\"" + entityResponse.getOriginalFileName() + "\"")
+                    .header(HttpHeaders.CONTENT_LENGTH, String.valueOf(entityResponse.getFileSize()))
+                    .body(resource);
+        } catch (FileEntityNotFoundException e) {
+            Map<String, Object> errorData = new HashMap<>();
+            errorData.put("fileId", fileId);
+
+            return ResponseEntity.ok().body(new BaseResponse(20004,
+                    MessageCode.FILE_NOT_FOUND.getCode(),
+                    MessageCode.FILE_NOT_FOUND.getDescription(),
+                    errorData));
+        } catch (NotFoundAuthToken | IOException e) {
+            Map<String, Object> errorData = new HashMap<>();
+            errorData.put("token", tokenHeader);
+            errorData.put("fileId", fileId);
+            errorData.put("version", version);
+
+            return ResponseEntity.ok().body(new BaseResponse(20004,
+                    MessageCode.FILE_DOWNLOAD_ERROR_NOT_CORRECT_FIELD.getCode(),
+                    MessageCode.FILE_DOWNLOAD_ERROR_NOT_CORRECT_FIELD.getDescription(),
+                    errorData));
+        }
+    }
+
+    @GetMapping("/protect/{fileId}")
+    public ResponseEntity<?> protect( @PathVariable(required = false) String fileId) {
+        Optional<FileEntity> optionalFileEntity = fileEntityRepository.findById(fileId);
+
+        if (!optionalFileEntity.isPresent()) {
+            return ResponseEntity.notFound().build();
+        }
+        FileEntity fileEntity = optionalFileEntity.get();
+        FileProtector.FileInfo fileInfo = fileUtil.createFileInfo(fileEntity);
+
+        noCopyFileService.addFile(fileInfo);
+
+        fileEntity.setProtectionStatus(ProtectionStatus.PROCESSING);
+        fileEntityRepository.save(fileEntity);
+
+        return ResponseEntity.ok().build();
+    }
+
+    @GetMapping("/check/{fileId}/{type}")
+    public ResponseEntity<?> check(@PathVariable(required = false) String fileId,
+                                   @PathVariable(required = false) String type) {
+        Optional<FileEntity> optionalFileEntity = fileEntityRepository.findById(fileId);
+        if (!optionalFileEntity.isPresent()) {
+            return ResponseEntity.notFound().build();
+        }
+
+        FileEntity fileEntity = optionalFileEntity.get();
+
+        Path path =  type.toLowerCase().equals("image") ? Paths.get(fileEntity.getFilePath()) :
+                Paths.get(fileEntity.getProtectedFilePath());
+
+        File file = path.toFile();
+
+        NoCopyCheckResult noCopyCheckResult = noCopyFileService.checkFile(file,
+                FileProtector.Type.valueOf(type.toUpperCase()));
+
+        return ResponseEntity.ok().body(noCopyCheckResult);
+    }
+
+    private ResponseEntity<BaseResponse> checkForDuplicates(String uploadId) throws IOException {
+        Optional<FileEntity> uploadedFile = fileEntityRepository.findByUploadSessionId(uploadId);
+
+        if (uploadedFile.isEmpty() || !uploadedFile.get().getMimeType().equals("image")) {
+            return null;
+        }
+
+        FileEntity fileEntity = uploadedFile.get();
+        List<SimilarFileDTO> similarFiles = fileSimilarityService.findSimilarFiles(fileEntity.getId());
+
+        if (hasDuplicate(similarFiles)) {
+            return handleDuplicate(fileEntity, similarFiles);
+        }
+
+        return null;
+    }
+
+    private boolean hasDuplicate(List<SimilarFileDTO> similarFiles) {
+        return similarFiles.stream().anyMatch(f -> f.getHammingDistance() <= 5);
+    }
+
+    private ResponseEntity<BaseResponse> handleDuplicate(FileEntity fileEntity, List<SimilarFileDTO> similarFiles)
+            throws IOException {
+        fileEntityService.deleteFromDisk(fileEntity);
+
+        fileEntityService.softDeleteFileWithHash(fileEntity);
+
+        Optional<FileEntity> originalFile = fileEntityRepository.findById(similarFiles.get(0).getFileId());
+
+        if (originalFile.isPresent()) {
+            Map<String, String> duplicateInfo = Map.of(
+                    "duplicate_file_id", originalFile.get().getId(),
+                    "owner_user_id", String.valueOf(originalFile.get().getUserId()));
+
+            return ResponseEntity.ok().body(new BaseResponse(
+                    20004,
+                    MessageCode.DUPLICATE_FILE_UPLOAD.getCode(),
+                    "Failed to upload chunk, duplicate",
+                    duplicateInfo));
+        }
+
+        return null;
+    }
+
+    private ResponseEntity<BaseResponse> buildSuccessResponse(String uploadId, Integer chunkNumber, MultipartFile chunk,
+                                                              String fileId) {
+        ChunkUploadResponse responseBody = ChunkUploadResponse.builder()
+                .uploadId(uploadId)
+                .chunkNumber(chunkNumber)
+                .chunkSize(chunk.getSize())
+                .fileId(fileId)
+                .message("Chunk uploaded successfully")
+                .build();
+
+        return ResponseEntity.ok().body(new BaseResponse(
+                20000,
+                MessageCode.SUCCESS.getCode(),
+                "Chunk uploaded successfully",
+                responseBody));
+    }
+
+    private ResponseEntity<BaseResponse> buildErrorResponse(String uploadId, Integer chunkNumber, String errorMessage) {
+        ChunkUploadResponse responseBody = ChunkUploadResponse.builder()
+                .uploadId(uploadId)
+                .chunkNumber(chunkNumber)
+                .build();
+
+        return ResponseEntity.ok().body(new BaseResponse(
+                20004,
+                MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                errorMessage,
+                responseBody));
+    }
+
     private ResponseEntity<BaseResponse> createValidationErrorResponse(BindingResult bindingResult, Integer msgId) {
         List<Map<String, String>> fieldErrors = bindingResult.getFieldErrors()
                 .stream()
@@ -105,4 +518,13 @@ public class ApiController {
 
         return errorDetail;
     }
+
+
+    private String determineContentType(Path filePath) throws IOException {
+        String contentType = Files.probeContentType(filePath);
+        if (contentType == null) {
+            contentType = "application/octet-stream";
+        }
+        return contentType;
+    }
 }

src/main/java/ru/soune/nocopy/controller/HealtCheckController.java

@@ -3,6 +3,9 @@ package ru.soune.nocopy.controller;
 import org.springframework.http.HttpStatus;
 import org.springframework.web.bind.annotation.*;
 
+import java.util.HashMap;
+import java.util.Map;
+
 @RestController
 @RequestMapping("check/api")
 public class HealtCheckController {
@@ -11,4 +14,22 @@ public class HealtCheckController {
     public HttpStatus healtCheck() {
         return HttpStatus.OK;
     }
+
+    @GetMapping("/api/debug/memory")
+    public Map<String, String> getMemoryInfo() {
+        Runtime runtime = Runtime.getRuntime();
+        long mb = 1024 * 1024;
+
+        Map<String, String> info = new HashMap<>();
+        info.put("maxMemory (MB)", String.valueOf(runtime.maxMemory() / mb));
+        info.put("totalMemory (MB)", String.valueOf(runtime.totalMemory() / mb));
+        info.put("freeMemory (MB)", String.valueOf(runtime.freeMemory() / mb));
+        info.put("usedMemory (MB)", String.valueOf((runtime.totalMemory() - runtime.freeMemory()) / mb));
+        info.put("availableProcessors", String.valueOf(runtime.availableProcessors()));
+
+        info.put("JAVA_TOOL_OPTIONS", System.getenv("JAVA_TOOL_OPTIONS"));
+        info.put("JAVA_OPTS", System.getenv("JAVA_OPTS"));
+
+        return info;
+    }
 }

src/main/java/ru/soune/nocopy/controller/UserContentController.java

@@ -1,11 +0,0 @@
-package ru.soune.nocopy.controller;
-
-import lombok.AllArgsConstructor;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
-
-@RestController
-@RequestMapping("v1/api/content")
-@AllArgsConstructor
-public class UserContentController {
-}

src/main/java/ru/soune/nocopy/controller/UserController.java

@@ -2,20 +2,29 @@ package ru.soune.nocopy.controller;
 
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.ResponseEntity;
+import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.web.bind.annotation.*;
-import ru.soune.nocopy.dto.ChangePasswordRequest;
+import ru.soune.nocopy.dto.BaseResponse;
-import ru.soune.nocopy.dto.UserDTO;
+import ru.soune.nocopy.dto.MessageCode;
-import ru.soune.nocopy.dto.UserRequest;
+import ru.soune.nocopy.dto.register.ChangePasswordRequest;
-import ru.soune.nocopy.entity.AuthToken;
+import ru.soune.nocopy.dto.register.RegAnswer;
-import ru.soune.nocopy.entity.User;
+import ru.soune.nocopy.dto.register.RegRequest;
+import ru.soune.nocopy.dto.user.UserDTO;
+import ru.soune.nocopy.dto.user.UserRequest;
+import ru.soune.nocopy.entity.user.AuthToken;
+import ru.soune.nocopy.entity.user.User;
 import ru.soune.nocopy.exception.InvalidUserEmail;
 import ru.soune.nocopy.exception.NotFoundAuthToken;
+import ru.soune.nocopy.exception.NotValidFieldException;
 import ru.soune.nocopy.mapper.UserMapper;
 import ru.soune.nocopy.repository.AuthTokenRepository;
 import ru.soune.nocopy.repository.UserRepository;
-import ru.soune.nocopy.service.UserService;
+import ru.soune.nocopy.service.register.AuthService;
+import ru.soune.nocopy.service.user.UserService;
 
+import java.util.Arrays;
 import java.util.List;
+import java.util.Map;
 import java.util.Optional;
 
 @RestController
@@ -31,10 +40,14 @@ public class UserController {
 
     private final UserMapper userMapper;
 
+    private final PasswordEncoder passwordEncoder;
+
+    private final AuthService authService;
+
     @GetMapping("/all")
     public ResponseEntity<List<UserDTO>> getAllUsers() {
         List<UserDTO> allUsers = userRepository.findAll().stream()
-                .map(u -> new UserDTO(u.getFullName(), u.getCompany(), u.getEmail(), u.getIsActive(),
+                .map(u -> new UserDTO(u.getFullName(), u.getCompany(), u.getEmail(), u.isActive(),
                         u.getPhone(), u.getGenderType(),
                         u.getBirthday(), u.getCreatedAt(), u.getSubscriptionType()))
                 .toList();
@@ -52,19 +65,19 @@ public class UserController {
         AuthToken authToken = tokenOptional.orElseThrow(() -> new NotFoundAuthToken("Token: " + token + "not found"));
 
         if (authToken != null) {
-            Optional<User> user = userRepository.findByEmail(email);
+            User user = userRepository.findByEmail(email);
             //TODO add mapper
-            if (user.isPresent()) {
+            if (user != null) {
-                UserDTO userDTO = userMapper.toDTO(user.get());
+                UserDTO userDTO = userMapper.toDTO(user);
                 userDTO.setEmail(email);
-                userDTO.setFullName(user.get().getFullName());
+                userDTO.setFullName(user.getFullName());
-                userDTO.setCompany(user.get().getCompany());
+                userDTO.setCompany(user.getCompany());
-                userDTO.setPhone(user.get().getPhone());
+                userDTO.setPhone(user.getPhone());
-                userDTO.setGenderType(user.get().getGenderType());
+                userDTO.setGenderType(user.getGenderType());
-                userDTO.setBirthday(user.get().getBirthday());
+                userDTO.setBirthday(user.getBirthday());
-                userDTO.setCreatedAt(user.get().getCreatedAt());
+                userDTO.setCreatedAt(user.getCreatedAt());
-                userDTO.setSubscriptionType(user.get().getSubscriptionType());
+                userDTO.setSubscriptionType(user.getSubscriptionType());
-                userDTO.setActive(user.get().getIsActive());
+                userDTO.setActive(user.isActive());
 
                 return ResponseEntity.ok(userDTO);
             }
@@ -108,4 +121,50 @@ public class UserController {
 
         return ResponseEntity.ok(userService.updateUser(userRequest, user));
     }
+
+    @PostMapping("/create-user")
+    public ResponseEntity<User> addUser(@RequestBody RegRequest registerRequest) {
+
+        if (userRepository.existsByEmail(registerRequest.getEmail()) ||
+                userRepository.existsByPhone(registerRequest.getPhone())) {
+            RegAnswer regAnswer = new RegAnswer();
+            regAnswer.setFieldErrors(Arrays.asList(Map.of("email", registerRequest.getEmail())));
+            regAnswer.setFieldErrors(Arrays.asList(Map.of("phone", registerRequest.getPhone())));
+
+            throw new NotValidFieldException("User already exists with email:" + registerRequest.getEmail() + " or phone: " +
+                    registerRequest.getPhone(), new BaseResponse(2,
+                    MessageCode.REG_EMAIL_OR_PHONE_EXISTS.getCode(),
+                    MessageCode.REG_EMAIL_OR_PHONE_EXISTS.getDescription(), regAnswer));
+        }
+
+        User user = new User();
+        user.setFullName(registerRequest.getFullName());
+        user.setEmail(registerRequest.getEmail());
+        user.setPassword(passwordEncoder.encode(registerRequest.getPassword()));
+        user.setActive(true);
+        user.setEmailVerified(true);
+
+        if (registerRequest.getCompanyName() != null) {
+            user.setCompany(registerRequest.getCompanyName());
+        }
+
+        if (registerRequest.getPhone() != null) {
+            user.setPhone(registerRequest.getPhone());
+        }
+
+        User savedUser = userRepository.save(user);
+
+        AuthToken authToken = authService.generateAuthToken(savedUser);
+
+        authTokenRepository.save(authToken);
+
+        return ResponseEntity.ok().body(savedUser);
+    }
+
+    @DeleteMapping("/delete-user/{userId}")
+    public ResponseEntity<?> addUser(@PathVariable Long userId) {
+        userRepository.deleteById(userId);
+        return ResponseEntity.ok().body(Map.of("userId", userId, "deleted", "true"));
+    }
+
 }

src/main/java/ru/soune/nocopy/dto/BaseRequest.java

@@ -1,9 +1,11 @@
 package ru.soune.nocopy.dto;
 
+import com.fasterxml.jackson.annotation.JsonFormat;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import lombok.Data;
 
 @Data
+@JsonFormat(with = JsonFormat.Feature.ACCEPT_CASE_INSENSITIVE_PROPERTIES)
 public class BaseRequest {
     @JsonProperty("version")
     Integer version;

src/main/java/ru/soune/nocopy/dto/BaseResponse.java

@@ -1,11 +1,13 @@
 package ru.soune.nocopy.dto;
 
+import com.fasterxml.jackson.annotation.JsonFormat;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import lombok.AllArgsConstructor;
 import lombok.Data;
 
 @Data
 @AllArgsConstructor
+@JsonFormat(with = JsonFormat.Feature.ACCEPT_CASE_INSENSITIVE_PROPERTIES)
 public class BaseResponse {
     @JsonProperty("msg_id")
     private Integer msgId;

src/main/java/ru/soune/nocopy/dto/MessageCode.java

@@ -5,13 +5,29 @@ public enum MessageCode {
     REG_EMAIL_EXISTS(1, "Email already registered"),
     REG_EMAIL_OR_PHONE_EXISTS(1, "Email or phone already registered"),
     INVALID_FIELD(2, "Invalid field"),
+    INVALID_TOKEN(2, "Invalid token"),
+    TOKEN_IS_ALIVE(2, "Token is alive"),
+    INVALID_ACTION(2, "Invalid action"),
+    FILE_UPLOAD_ERROR(2, "File upload error"),
+    DUPLICATE_FILE_UPLOAD(2, "Duplicate file upload"),
+    FILE_DOWNLOAD_ERROR(2, "File download error"),
+    USER_NOT_VERIFIED(2, "User not verified"),
+    USER_NOT_FOUND(2, "User not found"),
+    FILE_DOWNLOAD_ERROR_NOT_CORRECT_FIELD(2, "Not correct field"),
+    IMAGE_FOUND_ERROR(2, "Image found error"),
     INVALID_JSON_BODY(2, "Invalid fields in JSON object"),
+    INCOMPLETE_UPLOAD(2, "Not load all chunks"),
     MSG_ID_NOT_FOUND(4, "Message id not found"),
-
+    FILE_ENTITY_ERROR(2, "File entity error"),
+    ACCESS_DENIED(2, "Access denied"),
     AUTH_EMAIL_NOT_FOUND(4, "Email not found"),
     AUTH_EMAIL_OR_TOKEN_NOT_FOUND(4, "Email or Token not found "),
     AUTH_TOKEN_MISMATCH(4, "Token mismatch"),
-    AUTH_PASSWORD_NOT_MATCHES(2, "Password does not match");
+    AUTH_TOKEN_NOT_FOUND(4, "Token not found"),
+    FILE_NOT_FOUND(4, "File not found"),
+    AUTH_PASSWORD_NOT_MATCHES(2, "Password does not match"),
+    SEND_EMAIL_EXCEPTION(2, "Send email exception"),
+    SIMILAR_FILES_FOUND(0, "Similar files found");
 
     private final Integer code;
 

src/main/java/ru/soune/nocopy/dto/TokenProcessRequest.java

@@ -0,0 +1,11 @@
+package ru.soune.nocopy.dto;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+@Data
+public class TokenProcessRequest {
+
+    @JsonProperty("token")
+    private String token;
+}

src/main/java/ru/soune/nocopy/dto/UserContentDTO.java

@@ -1,14 +0,0 @@
-package ru.soune.nocopy.dto;
-
-import lombok.Data;
-
-@Data
-public class UserContentDTO {
-    String fileName;
-    String originalFilename;
-    String fileType;
-    String fileExtension;
-    Long fileSize;
-    String filePath;
-    Integer protectionLevel;
-}

src/main/java/ru/soune/nocopy/dto/UserContentResponse.java

@@ -1,17 +0,0 @@
-package ru.soune.nocopy.dto;
-
-import ru.soune.nocopy.entity.ContentStatus;
-import ru.soune.nocopy.entity.FileType;
-
-import java.time.LocalDateTime;
-
-public record UserContentResponse(
-        Long id,
-        String filename,
-        String originalFilename,
-        FileType fileType,
-        long fileSize,
-        String filePath,
-        ContentStatus status,
-        LocalDateTime uploadDate
-) {}

src/main/java/ru/soune/nocopy/dto/file/ActionResponse.java

@@ -0,0 +1,17 @@
+package ru.soune.nocopy.dto.file;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.List;
+
+@Data
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+public class ActionResponse {
+    private List<String> availableActions;
+    private String action;
+}

src/main/java/ru/soune/nocopy/dto/file/CanceledUploadResponse.java

@@ -0,0 +1,15 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Builder;
+import lombok.Data;
+
+@Data
+@Builder
+public class CanceledUploadResponse {
+    @JsonProperty("upload_id")
+    private String uploadId;
+
+    @JsonProperty("message")
+    private String message;
+}

src/main/java/ru/soune/nocopy/dto/file/ChunkStatusResponse.java

@@ -0,0 +1,28 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.Map;
+
+@Data
+@Builder
+public class ChunkStatusResponse {
+    @JsonProperty("upload_id")
+    private String uploadId;
+
+    @JsonProperty("total_chunks")
+    private Integer totalChunks;
+
+    @JsonProperty("chunk_status")
+    private Map<String, Boolean> chunkStatus;
+
+    @JsonProperty("uploaded_chunks")
+    private Integer uploadedChunks;
+
+    @JsonProperty("missing_chunks")
+    private Integer missingChunks;
+}

src/main/java/ru/soune/nocopy/dto/file/ChunkUploadResponse.java

@@ -0,0 +1,28 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class ChunkUploadResponse {
+    @JsonProperty("upload_id")
+    private String uploadId;
+
+    @JsonProperty("chunk_number")
+    private Integer chunkNumber;
+
+    @JsonProperty("chunk_size")
+    private Long chunkSize;
+
+    @JsonProperty("file_id")
+    private String fileId;
+
+    @JsonProperty("message")
+    private String message;
+}

src/main/java/ru/soune/nocopy/dto/file/CompleteUploadResponse.java

@@ -0,0 +1,31 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class CompleteUploadResponse {
+    @JsonProperty("upload_id")
+    private String uploadId;
+
+    @JsonProperty("status")
+    private String status;
+
+    @JsonProperty("uploaded_chunks")
+    private Integer uploadedChunks;
+
+    @JsonProperty("total_chunks")
+    private Integer totalChunks;
+
+    @JsonProperty("message")
+    private String message;
+
+    @JsonProperty("file_path")
+    private String filePath;
+}

src/main/java/ru/soune/nocopy/dto/file/DeleteFileResponse.java

@@ -0,0 +1,19 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+public class DeleteFileResponse {
+    @JsonProperty("file_id")
+    private String fileId;
+
+    @JsonProperty("message")
+    private String message;
+}

src/main/java/ru/soune/nocopy/dto/file/FileEntityRequest.java

@@ -0,0 +1,37 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+public class FileEntityRequest {
+    @JsonProperty("action")
+    private String action;
+
+    @JsonProperty("file_id")
+    private String fileId;
+
+    @JsonProperty("full_delete")
+    private Integer fullDelete;
+
+    @JsonProperty("upload_session_id")
+    private String uploadSessionId;
+
+    @JsonProperty("query")
+    private String query;
+
+    @JsonProperty("page")
+    private Integer page;
+
+    @JsonProperty("page_size")
+    private Integer pageSize;
+
+    @JsonProperty("token")
+    private String token;
+}

src/main/java/ru/soune/nocopy/dto/file/FileEntityResponse.java

@@ -0,0 +1,35 @@
+package ru.soune.nocopy.dto.file;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import ru.soune.nocopy.entity.file.FileStatus;
+
+import java.time.LocalDateTime;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class FileEntityResponse {
+
+    private String id;
+    private Long userId;
+    private String originalFileName;
+    private String storedFileName;
+    private String filePath;
+    private Long fileSize;
+    private String mimeType;
+    private String fileExtension;
+    private String checksum;
+    private String uploadSessionId;
+    private FileStatus status;
+    private LocalDateTime createdAt;
+    private LocalDateTime updatedAt;
+    private String formattedSize;
+    private String downloadUrl;
+    private boolean existsOnDisk;
+    private Integer supportId;
+    private String protectStatus;
+}

src/main/java/ru/soune/nocopy/dto/file/FileExtensionResponse.java

@@ -0,0 +1,20 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Builder;
+import lombok.Data;
+
+import java.util.List;
+
+@Data
+@Builder
+public class FileExtensionResponse {
+    @JsonProperty("file_extension")
+    private List<String> extension;
+
+    @JsonProperty("count")
+    private Integer count;
+
+    @JsonProperty("max_file_size")
+    private Long maxFileSize;
+}

src/main/java/ru/soune/nocopy/dto/file/FileInfoUserResponse.java

@@ -0,0 +1,73 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class FileInfoUserResponse {
+    @JsonProperty("all_files_size")
+    private Long allFileSize;
+
+    @JsonProperty("all_files_quantity")
+    private Integer fileCount;
+
+    @JsonProperty("all_files_check")
+    private Integer filesCheck;
+
+    @JsonProperty("all_files_violation")
+    private Integer filesViolation;
+
+    @JsonProperty("images_size")
+    private Long imagesSize;
+
+    @JsonProperty("images_quantity")
+    private Integer imagesCount;
+
+    @JsonProperty("images_check")
+    private Integer imagesCheck;
+
+    @JsonProperty("images_violations")
+    private Integer imagesViolations;
+
+    @JsonProperty("videos_size")
+    private Long videosSize;
+
+    @JsonProperty("videos_quantity")
+    private Integer videosCount;
+
+    @JsonProperty("videos_check")
+    private Integer videosCheck;
+
+    @JsonProperty("videos_violations")
+    private Integer videosViolations;
+
+    @JsonProperty("audios_size")
+    private Long audiosSize;
+
+    @JsonProperty("audios_quantity")
+    private Integer audiosCount;
+
+    @JsonProperty("audios_check")
+    private Integer audiosCheck;
+
+    @JsonProperty("audios_violations")
+    private Integer audiosViolations;
+
+    @JsonProperty("protected_files_count")
+    private Long protectedFilesCount;
+
+    @JsonProperty("protected_audio_files_count")
+    private Long protectedAudioFilesCount;
+
+    @JsonProperty("protected_video_files_count")
+    private Long protectedVideoFilesCount;
+
+    @JsonProperty("protected_image_files_count")
+    private Long protectedImageFilesCount;
+}

src/main/java/ru/soune/nocopy/dto/file/FileListResponse.java

@@ -0,0 +1,33 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.List;
+
+@Data
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+public class FileListResponse {
+    @JsonProperty("files")
+    private List<FileEntityResponse> files;
+
+    @JsonProperty("total_count")
+    private Integer totalCount;
+
+    @JsonProperty("total_size")
+    private Long totalSize;
+
+    @JsonProperty("formatted_total_size")
+    private String formattedTotalSize;
+
+    @JsonProperty("page")
+    private Integer page;
+
+    @JsonProperty("page_size")
+    private Integer pageSize;
+}

src/main/java/ru/soune/nocopy/dto/file/FileResponse.java

@@ -0,0 +1,22 @@
+package ru.soune.nocopy.dto.file;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.List;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class FileResponse {
+
+    private List<FileEntityResponse> files;
+    private int totalCount;
+    private long totalSize;
+    private String formattedTotalSize;
+    private int page;
+    private int pageSize;
+}

src/main/java/ru/soune/nocopy/dto/file/FileTypesResponse.java

@@ -0,0 +1,19 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Builder;
+import lombok.Data;
+import ru.soune.nocopy.entity.file.FileType;
+
+import java.util.List;
+
+@Data
+@Builder
+public class FileTypesResponse {
+    @JsonProperty("file_types")
+    private List<FileType> fileTypes;
+
+    @JsonProperty("count")
+    private Integer count;
+}
+

src/main/java/ru/soune/nocopy/dto/file/FileUploadRequest.java

@@ -0,0 +1,31 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+@Data
+public class FileUploadRequest {
+    @JsonProperty("upload_id")
+    private String uploadId;
+
+    @JsonProperty("file_name")
+    private String fileName;
+
+    @JsonProperty("file_type")
+    private String fileType;
+
+    @JsonProperty("extension")
+    private String extension;
+
+    @JsonProperty("file_size")
+    private Long fileSize;
+
+    @JsonProperty("chunk_number")
+    private Integer chunkNumber;
+
+    @JsonProperty("action")
+    private String action;
+
+    @JsonProperty("token")
+    private String token;
+}

src/main/java/ru/soune/nocopy/dto/file/GoogleVisionSearchResponse.java

@@ -0,0 +1,68 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+import java.util.List;
+
+@Data
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class GoogleVisionSearchResponse {
+
+    @JsonProperty("bestGuessLabels")
+    private List<BestGuessLabel> bestGuessLabels;
+
+    @JsonProperty("fullMatchingImages")
+    private List<ImageResult> fullMatchingImages;
+
+    @JsonProperty("visuallySimilarImages")
+    private List<ImageResult> visuallySimilarImages;
+
+    @JsonProperty("pagesWithMatchingImages")
+    private List<PageResult> pagesWithMatchingImages;
+
+    @JsonProperty("partialMatchingImages")
+    private List<ImageResult> partialMatchingImages;
+
+    @Data
+    @JsonIgnoreProperties(ignoreUnknown = true)
+    public static class BestGuessLabel {
+        @JsonProperty("label")
+        private String label;
+
+        @JsonProperty("languageCode")
+        private String languageCode;
+    }
+
+    @Data
+    @JsonIgnoreProperties(ignoreUnknown = true)
+    public static class ImageResult {
+        @JsonProperty("url")
+        private String url;
+
+        @JsonProperty("score")
+        private Float score;
+
+        @JsonProperty("height")
+        private Integer height;
+
+        @JsonProperty("width")
+        private Integer width;
+    }
+
+    @Data
+    @JsonIgnoreProperties(ignoreUnknown = true)
+    public static class PageResult {
+        @JsonProperty("url")
+        private String url;
+
+        @JsonProperty("pageTitle")
+        private String pageTitle;
+
+        @JsonProperty("fullMatchingImages")
+        private List<ImageResult> fullMatchingImages;
+
+        @JsonProperty("partialMatchingImages")
+        private List<ImageResult> partialMatchingImages;
+    }
+}

src/main/java/ru/soune/nocopy/dto/file/ImageSearchRequest.java

@@ -0,0 +1,10 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+@Data
+public class ImageSearchRequest {
+    @JsonProperty("file_id")
+    private String fileId;
+}

src/main/java/ru/soune/nocopy/dto/file/InitFileResponse.java

@@ -0,0 +1,30 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Builder;
+import lombok.Data;
+
+import java.util.List;
+import java.util.Map;
+
+@Data
+@Builder
+public class InitFileResponse {
+    @JsonProperty("upload_id")
+    private String uploadId;
+
+    @JsonProperty("file_name")
+    private String fileName;
+
+    @JsonProperty("total_chunks")
+    private Integer totalChunks;
+
+    @JsonProperty("chunk_size")
+    private Long chunkSize;
+
+    @JsonProperty("status")
+    private String status;
+
+    @JsonProperty("field_errors")
+    private List<Map<String, String>> fieldErrors;
+}

src/main/java/ru/soune/nocopy/dto/file/InitUploadRequest.java

@@ -0,0 +1,23 @@
+package ru.soune.nocopy.dto.file;
+
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.NotNull;
+import jakarta.validation.constraints.Positive;
+import lombok.Data;
+
+@Data
+public class InitUploadRequest {
+
+    @NotBlank(message = "File name is required")
+    private String fileName;
+
+    @NotBlank(message = "File type is required")
+    private String fileType;
+
+    @NotBlank(message = "File extension is required")
+    private String extension;
+
+    @NotNull(message = "File size is required")
+    @Positive(message = "File size must be positive")
+    private Long fileSize;
+}

src/main/java/ru/soune/nocopy/dto/file/RetryUploadResponse.java

@@ -0,0 +1,18 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Builder;
+import lombok.Data;
+
+@Data
+@Builder
+public class RetryUploadResponse {
+    @JsonProperty("upload_id")
+    private String uploadId;
+
+    @JsonProperty("message")
+    private String message;
+
+    @JsonProperty("status")
+    private String status;
+}

src/main/java/ru/soune/nocopy/dto/file/SimilarFileDTO.java

@@ -0,0 +1,15 @@
+package ru.soune.nocopy.dto.file;
+
+import lombok.Builder;
+import lombok.Value;
+
+@Value
+@Builder
+public class SimilarFileDTO {
+    String fileId;
+    String originalFileName;
+    Long fileSize;
+    Integer hammingDistance;
+    String similarityLevel;
+    Long ownerId;
+}

src/main/java/ru/soune/nocopy/dto/file/SimilarityFilter.java

@@ -0,0 +1,18 @@
+package ru.soune.nocopy.dto.file;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.List;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class SimilarityFilter {
+    private List<String> similarityLevels;
+    private Integer page;
+    private Integer size;
+}

src/main/java/ru/soune/nocopy/dto/file/StorageUsageResponse.java

@@ -0,0 +1,22 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+public class StorageUsageResponse {
+    @JsonProperty("user_id")
+    private Long userId;
+
+    @JsonProperty("storage_used")
+    private Long storageUsed;
+
+    @JsonProperty("formatted_storage_used")
+    private String formattedStorageUsed;
+}

src/main/java/ru/soune/nocopy/dto/file/UploadProgress.java

@@ -0,0 +1,40 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Builder
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class UploadProgress {
+    @JsonProperty("upload_id")
+    private String uploadId;
+
+    @JsonProperty("file_name")
+    private String fileName;
+
+    @JsonProperty("total_chunks")
+    private Integer totalChunks;
+
+    @JsonProperty("uploaded_chunks")
+    private Integer uploadedChunks;
+
+    @JsonProperty("status")
+    private String status;
+
+    @JsonProperty("progress_percentage")
+    private Integer progressPercentage;
+
+    @JsonProperty("file_path")
+    private String filePath;
+
+    @JsonProperty("remaining_chunks")
+    private Integer remainingChunks;
+
+    @JsonProperty("message")
+    private String message;
+}

src/main/java/ru/soune/nocopy/dto/file/UploadProgressResponse.java

@@ -0,0 +1,39 @@
+package ru.soune.nocopy.dto.file;
+
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import ru.soune.nocopy.entity.file.FileUploadSession;
+import ru.soune.nocopy.entity.file.UploadStatus;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class UploadProgressResponse {
+
+    private String uploadId;
+    private String fileName;
+    private Integer totalChunks;
+    private Integer uploadedChunks;
+    private UploadStatus status;
+    private Integer progressPercentage;
+    private String filePath;
+
+    public static UploadProgressResponse fromSession(FileUploadSession session) {
+        int progress = session.getTotalChunks() == 0 ? 0 :
+                (session.getChunksUploaded() * 100) / session.getTotalChunks();
+
+        return UploadProgressResponse.builder()
+                .uploadId(session.getUploadId())
+                .fileName(session.getFileName())
+                .totalChunks(session.getTotalChunks())
+                .uploadedChunks(session.getChunksUploaded())
+                .status(session.getStatus())
+                .progressPercentage(progress)
+                .filePath(session.getFilePath())
+                .build();
+    }
+}

src/main/java/ru/soune/nocopy/dto/file/YandexSearchResponse.java

@@ -0,0 +1,36 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+import java.util.List;
+
+@Data
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class YandexSearchResponse {
+
+    @JsonProperty("images")
+    private List<ImageResult> images;
+
+    @Data
+    @JsonIgnoreProperties(ignoreUnknown = true)
+    public static class ImageResult {
+        @JsonProperty("url")
+        private String url;
+
+        @JsonProperty("pageUrl")
+        private String pageUrl;
+
+        @JsonProperty("pageTitle")
+        private String pageTitle;
+
+        @JsonProperty("width")
+        private Integer width;
+
+        @JsonProperty("height")
+        private Integer height;
+
+        @JsonProperty("host")
+        private String host;
+    }
+}

src/main/java/ru/soune/nocopy/dto/register/ChangePasswordRequest.java

@@ -1,4 +1,4 @@
-package ru.soune.nocopy.dto;
+package ru.soune.nocopy.dto.register;
 
 import lombok.AllArgsConstructor;
 import lombok.Data;

src/main/java/ru/soune/nocopy/dto/register/LogOutAnswer.java

@@ -1,4 +1,4 @@
-package ru.soune.nocopy.dto;
+package ru.soune.nocopy.dto.register;
 
 import lombok.AllArgsConstructor;
 import lombok.Data;

src/main/java/ru/soune/nocopy/dto/register/LoginAnswer.java

@@ -1,4 +1,4 @@
-package ru.soune.nocopy.dto;
+package ru.soune.nocopy.dto.register;
 
 import lombok.AllArgsConstructor;
 import lombok.Data;
@@ -13,5 +13,9 @@ import java.util.Map;
 public class LoginAnswer {
     private String Token;
 
+    private boolean isActive;
+
+    private boolean isVerified;
+
     private List<Map<String, String>> fieldErrors;
 }

src/main/java/ru/soune/nocopy/dto/register/LoginRequest.java

@@ -1,5 +1,6 @@
-package ru.soune.nocopy.dto;
+package ru.soune.nocopy.dto.register;
 
+import com.fasterxml.jackson.annotation.JsonFormat;
 import jakarta.validation.constraints.Email;
 import jakarta.validation.constraints.NotBlank;
 import jakarta.validation.constraints.Size;
@@ -10,6 +11,7 @@ import lombok.NoArgsConstructor;
 @Data
 @AllArgsConstructor
 @NoArgsConstructor
+@JsonFormat(with = JsonFormat.Feature.ACCEPT_CASE_INSENSITIVE_PROPERTIES)
 public class LoginRequest {
 
     @NotBlank(message = "error.not.blank") @Email(message = "error.not.email") @Size(max = 128)

src/main/java/ru/soune/nocopy/dto/register/LogoutRequest.java

@@ -1,4 +1,4 @@
-package ru.soune.nocopy.dto;
+package ru.soune.nocopy.dto.register;
 
 import jakarta.validation.constraints.Email;
 import jakarta.validation.constraints.NotBlank;

src/main/java/ru/soune/nocopy/dto/register/RegAnswer.java

@@ -1,4 +1,4 @@
-package ru.soune.nocopy.dto;
+package ru.soune.nocopy.dto.register;
 
 import lombok.AllArgsConstructor;
 import lombok.Data;
@@ -13,5 +13,13 @@ import java.util.Map;
 public class RegAnswer {
     private String Token;
 
+    private boolean isActive;
+
+    private boolean isVerified;
+
+    private Long userId;
+
+    private String email;
+
     private List<Map<String, String>> fieldErrors;
 }

src/main/java/ru/soune/nocopy/dto/register/RegRequest.java

@@ -1,10 +1,12 @@
-package ru.soune.nocopy.dto;
+package ru.soune.nocopy.dto.register;
 
+import com.fasterxml.jackson.annotation.JsonFormat;
 import jakarta.validation.constraints.*;
 import lombok.Data;
 
 
 @Data
+@JsonFormat(with = JsonFormat.Feature.ACCEPT_CASE_INSENSITIVE_PROPERTIES)
 public class RegRequest {
     @NotEmpty(message = "Full name is required")
     private String fullName;

src/main/java/ru/soune/nocopy/dto/register/VerifyUserRequest.java

@@ -0,0 +1,20 @@
+package ru.soune.nocopy.dto.register;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class VerifyUserRequest {
+    @JsonProperty("verify_token")
+    private String verifyToken;
+
+    @JsonProperty("user_id")
+    private Long userId;
+
+    @JsonProperty("resend")
+    private Integer resend;
+}

src/main/java/ru/soune/nocopy/dto/user/UserContentRequest.java

@@ -1,4 +1,4 @@
-package ru.soune.nocopy.dto;
+package ru.soune.nocopy.dto.user;
 
 import jakarta.validation.constraints.Email;
 import jakarta.validation.constraints.NotBlank;

src/main/java/ru/soune/nocopy/dto/user/UserContentUpdateRequest.java

@@ -1,4 +1,4 @@
-package ru.soune.nocopy.dto;
+package ru.soune.nocopy.dto.user;
 
 import jakarta.validation.constraints.Email;
 import jakarta.validation.constraints.NotBlank;

src/main/java/ru/soune/nocopy/dto/user/UserDTO.java

@@ -1,11 +1,11 @@
-package ru.soune.nocopy.dto;
+package ru.soune.nocopy.dto.user;
 
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
 import lombok.NoArgsConstructor;
-import ru.soune.nocopy.entity.GenderType;
+import ru.soune.nocopy.entity.user.GenderType;
-import ru.soune.nocopy.entity.SubscriptionType;
+import ru.soune.nocopy.entity.user.SubscriptionType;
 
 import java.time.LocalDate;
 import java.time.LocalDateTime;

src/main/java/ru/soune/nocopy/dto/user/UserRequest.java

@@ -1,15 +1,16 @@
-package ru.soune.nocopy.dto;
+package ru.soune.nocopy.dto.user;
 
 import com.fasterxml.jackson.annotation.JsonFormat;
 import jakarta.validation.constraints.Email;
 import jakarta.validation.constraints.Past;
 import jakarta.validation.constraints.Size;
 import lombok.Data;
-import ru.soune.nocopy.entity.GenderType;
+import ru.soune.nocopy.entity.user.GenderType;
 
 import java.time.LocalDate;
 
 @Data
+@JsonFormat(with = JsonFormat.Feature.ACCEPT_CASE_INSENSITIVE_PROPERTIES)
 public class UserRequest {
     @Size(min = 2)
     private String fullName;

src/main/java/ru/soune/nocopy/entity/FileType.java

@@ -1,21 +0,0 @@
-package ru.soune.nocopy.entity;
-
-import lombok.Getter;
-
-@Getter
-public enum FileType {
-    PHOTO("photo"),
-    VIDEO("video"),
-    AUDIO("audio"),
-    DOCUMENT("document");
-
-    private final String code;
-
-    FileType(String code) {
-        this.code = code;
-    }
-
-    public String getCode() {
-        return code;
-    }
-}

src/main/java/ru/soune/nocopy/entity/ImageProtection.java

@@ -1,49 +0,0 @@
-package ru.soune.nocopy.entity;
-
-import jakarta.persistence.*;
-import lombok.*;
-import org.springframework.data.annotation.CreatedDate;
-import org.springframework.data.jpa.domain.support.AuditingEntityListener;
-
-import java.time.LocalDateTime;
-
-@Entity
-@Table(name = "image_protection")
-@Getter
-@Setter
-@NoArgsConstructor
-@AllArgsConstructor
-@ToString
-@EntityListeners(AuditingEntityListener.class)
-public class ImageProtection {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    private Long protectionId;
-
-    @ManyToOne(fetch = FetchType.LAZY)
-    @JoinColumn(name = "user_id", nullable = false)
-    @ToString.Exclude
-    private User user;
-
-    @ManyToOne(fetch = FetchType.LAZY)
-    @JoinColumn(name = "content_id", nullable = false)
-    @ToString.Exclude
-    private UserContent content;
-
-    @Column(name = "protection_method", nullable = false, length = 50)
-    private String protectionMethod;
-
-    @Column(name = "protection_level", nullable = false)
-    private Integer protectionLevel;
-
-    @Column(name = "is_active", nullable = false)
-    private Boolean isActive = true;
-
-    @CreatedDate
-    @Column(name = "applied_at", nullable = false, updatable = false)
-    private LocalDateTime appliedAt;
-
-    @Column(name = "metadata", columnDefinition = "JSON")
-    private String metadata;
-}

src/main/java/ru/soune/nocopy/entity/UserAction.java

@@ -1,44 +0,0 @@
-package ru.soune.nocopy.entity;
-
-import jakarta.persistence.*;
-import lombok.*;
-import org.springframework.data.annotation.CreatedDate;
-import org.springframework.data.jpa.domain.support.AuditingEntityListener;
-
-import java.time.LocalDateTime;
-
-@Entity
-@Table(name = "user_actions")
-@Getter
-@Setter
-@NoArgsConstructor
-@AllArgsConstructor
-@ToString
-@EntityListeners(AuditingEntityListener.class)
-public class UserAction {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    private Long actionId;
-
-    @ManyToOne(fetch = FetchType.LAZY)
-    @JoinColumn(name = "user_id", nullable = false)
-    @ToString.Exclude
-    private User user;
-
-    @Column(name = "action", nullable = false, length = 100)
-    private String action;
-
-    @Column(name = "details", columnDefinition = "TEXT")
-    private String details;
-
-    @Column(name = "ip_address", length = 45)
-    private String ipAddress;
-
-    @Column(name = "user_agent", columnDefinition = "TEXT")
-    private String userAgent;
-
-    @CreatedDate
-    @Column(name = "created_at", nullable = false, updatable = false)
-    private LocalDateTime createdAt;
-}

src/main/java/ru/soune/nocopy/entity/file/ContentStatus.java

@@ -1,4 +1,4 @@
-package ru.soune.nocopy.entity;
+package ru.soune.nocopy.entity.file;
 
 import lombok.Getter;
 

src/main/java/ru/soune/nocopy/entity/file/FileEntity.java

@@ -0,0 +1,107 @@
+package ru.soune.nocopy.entity.file;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import jakarta.persistence.*;
+import lombok.*;
+import org.hibernate.annotations.GenerationTime;
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.annotation.LastModifiedDate;
+import org.springframework.data.jpa.domain.support.AuditingEntityListener;
+
+import java.sql.DriverManager;
+import java.sql.SQLException;
+import java.time.LocalDateTime;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+@Entity
+@Table(name = "file_entities")
+@EntityListeners(AuditingEntityListener.class)
+public class FileEntity {
+    @Id
+    @GeneratedValue(strategy = GenerationType.UUID)
+    private String id;
+
+    @Column(name = "support_id", unique = true, updatable = false)
+    private Integer supportId;
+
+    @Column(name = "user_id", nullable = false)
+    private Long userId;
+
+    @Column(name = "original_file_name", nullable = false)
+    private String originalFileName;
+
+    @Column(name = "stored_file_name", nullable = false)
+    private String storedFileName;
+
+    @Column(name = "file_path", nullable = false, unique = true)
+    private String filePath;
+
+    @Column(name = "file_size", nullable = false)
+    private Long fileSize;
+
+    @Column(name = "mime_type")
+    private String mimeType;
+
+    @Column(name = "file_extension")
+    private String fileExtension;
+
+    @Column(name = "checksum")
+    private String checksum;
+
+    @Column(name = "upload_session_id")
+    private String uploadSessionId;
+
+    @Enumerated(EnumType.STRING)
+    @Column(name = "status")
+    private FileStatus status;
+
+    @CreatedDate
+    @Column(name = "created_at", updatable = false)
+    private LocalDateTime createdAt;
+
+    @LastModifiedDate
+    @Column(name = "updated_at")
+    private LocalDateTime updatedAt;
+
+    @Column(name = "protected_file_path")
+    private String protectedFilePath;
+
+    @Column(name = "protection_status")
+    @Enumerated(EnumType.STRING)
+    private ProtectionStatus protectionStatus;
+
+    @Column(name = "protected_at")
+    private LocalDateTime protectedAt;
+
+    @Column(name = "signature")
+    @JsonIgnore
+    private String signature;
+
+    @OneToOne(mappedBy = "file", cascade = CascadeType.ALL, orphanRemoval = true)
+    @JsonIgnore
+    private ImageHashEntity imageHash;
+
+    @PrePersist
+    public void prePersist() {
+        if (this.status == null) {
+            this.status = FileStatus.ACTIVE;
+        }
+
+        if (this.protectionStatus == null) {
+            this.protectionStatus = ProtectionStatus.NOT_PROTECTED;
+        }
+
+        if (this.createdAt == null) {
+            this.createdAt = LocalDateTime.now();
+        }
+        this.updatedAt = LocalDateTime.now();
+    }
+
+    @PreUpdate
+    public void preUpdate() {
+        this.updatedAt = LocalDateTime.now();
+    }
+}

src/main/java/ru/soune/nocopy/entity/file/FileStatus.java

@@ -0,0 +1,10 @@
+package ru.soune.nocopy.entity.file;
+
+public enum FileStatus {
+    ACTIVE,
+    DELETED,
+    PROCESSING,
+    VIOLATION,
+    CHECKED,
+    ERROR
+}

src/main/java/ru/soune/nocopy/entity/file/FileType.java

@@ -0,0 +1,35 @@
+package ru.soune.nocopy.entity.file;
+
+import lombok.Getter;
+
+import java.util.Arrays;
+import java.util.List;
+
+@Getter
+public enum FileType {
+//    IMAGE("image", Arrays.asList("jpg", "jpeg", "png", "gif", "bmp", "webp", "jfif")),
+    IMAGE("image", Arrays.asList("jpg", "jpeg", "png", "gif", "bmp")),
+    VIDEO("video", Arrays.asList("mp4", "avi", "mov", "wmv", "flv", "mkv", "webm", "m4v", "mpg", "mpeg",
+            "3gp", "3g2", "f4v", "m2ts", "mts", "vob", "ogv", "divx")),
+    AUDIO("audio", List.of("wav"));
+
+    private final String displayName;
+    private final List<String> allowedExtensions;
+
+    FileType(String displayName, List<String> allowedExtensions) {
+        this.displayName = displayName;
+        this.allowedExtensions = allowedExtensions;
+    }
+
+    public String getDisplayName() {
+        return displayName;
+    }
+
+    public List<String> getAllowedExtensions() {
+        return allowedExtensions;
+    }
+
+    public boolean supportsExtension(String extension) {
+        return allowedExtensions.contains(extension.toLowerCase());
+    }
+}

src/main/java/ru/soune/nocopy/entity/file/FileUploadSession.java

@@ -0,0 +1,102 @@
+package ru.soune.nocopy.entity.file;
+
+import jakarta.persistence.*;
+import lombok.*;
+import org.springframework.data.annotation.CreatedDate;
+
+import java.time.LocalDateTime;
+import java.util.HashMap;
+import java.util.Map;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+@Entity
+@Table(name = "file_upload_sessions")
+public class FileUploadSession {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.UUID)
+    @Column(name = "upload_id")
+    private String uploadId;
+
+    @Column(name = "user_id", nullable = false)
+    private Long userId;
+
+    @Column(name = "file_name", nullable = false)
+    private String fileName;
+
+    @Column(name = "file_type")
+    private String fileType;
+
+    @Column(name = "file_size")
+    private Long fileSize;
+
+    @Column(name = "chunk_size")
+    private Long chunkSize;
+
+    @Column(name = "total_chunks")
+    private Integer totalChunks;
+
+    @Column(name = "chunks_uploaded")
+    private Integer chunksUploaded;
+
+    @Column(name = "status")
+    @Enumerated(EnumType.STRING)
+    private UploadStatus status;
+
+    @Column(name = "file_path")
+    private String filePath;
+
+    @Column(name = "checksum")
+    private String checksum;
+
+    @CreatedDate
+    @Column(name = "created_at", updatable = false, nullable = false)
+    private LocalDateTime createdAt;
+
+    @Column(name = "expires_at")
+    private LocalDateTime expiresAt;
+
+    @Version
+    private Long version;
+
+    @Column(name = "last_error")
+    private String lastError;
+
+    @Column(name = "extension")
+    private String extension;
+
+    @Column(name = "retry_count")
+    @Builder.Default
+    private Integer retryCount = 0;
+
+    @Column(name = "completed_at")
+    private LocalDateTime completedAt;
+
+    @ElementCollection
+    @CollectionTable(
+            name = "uploaded_chunks",
+            joinColumns = @JoinColumn(name = "upload_id")
+    )
+    @MapKeyColumn(name = "chunk_number")
+    @Column(name = "chunk_path")
+    @Builder.Default
+    private Map<Integer, String> chunkPaths = new HashMap<>();
+
+    @PrePersist
+    public void prePersist() {
+        this.createdAt = LocalDateTime.now();
+        this.expiresAt = LocalDateTime.now().plusMinutes(1);
+        if (this.chunksUploaded == null) {
+            this.chunksUploaded = 0;
+        }
+        if (this.status == null) {
+            this.status = UploadStatus.INITIATED;
+        }
+        if (this.retryCount == null) {
+            this.retryCount = 0;
+        }
+    }
+}

src/main/java/ru/soune/nocopy/entity/file/ImageHashEntity.java

@@ -0,0 +1,43 @@
+package ru.soune.nocopy.entity.file;
+
+import jakarta.persistence.*;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.time.LocalDateTime;
+
+@Entity
+@Table(name = "image_hashes", indexes = {
+        @Index(name = "idx_image_hashes_hash64", columnList = "hash64_hi, hash64_lo"),
+        @Index(name = "idx_image_hashes_hash64_hi", columnList = "hash64_hi"),
+        @Index(name = "idx_image_hashes_hash64_lo", columnList = "hash64_lo")
+})
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class ImageHashEntity {
+
+    @Id
+    @Column(name = "file_id")
+    private String fileId;
+
+    @OneToOne(fetch = FetchType.LAZY)
+    @MapsId
+    @JoinColumn(name = "file_id")
+    private FileEntity file;
+
+    @Column(name = "hash64_hi")
+    private Long hash64Hi;
+
+    @Column(name = "hash64_lo")
+    private Long hash64Lo;
+
+    @Column(name = "hash_algorithm", nullable = false)
+    private String hashAlgorithm;
+
+    @Column(name = "created_at")
+    private LocalDateTime createdAt;
+}

src/main/java/ru/soune/nocopy/entity/file/ProtectionStatus.java

@@ -0,0 +1,9 @@
+package ru.soune.nocopy.entity.file;
+
+public enum ProtectionStatus {
+    NOT_PROTECTED,
+    PROCESSING,
+    PROTECTED,
+    FAILED,
+    FAILED_SAVE
+}

src/main/java/ru/soune/nocopy/entity/file/UploadStatus.java

@@ -0,0 +1,9 @@
+package ru.soune.nocopy.entity.file;
+
+public enum UploadStatus {
+    INITIATED,
+    UPLOADING,
+    COMPLETED,
+    FAILED,
+    CANCELLED
+}

src/main/java/ru/soune/nocopy/entity/file/Violation.java

@@ -1,9 +1,10 @@
-package ru.soune.nocopy.entity;
+package ru.soune.nocopy.entity.file;
 
 import jakarta.persistence.*;
 import lombok.*;
 import org.springframework.data.annotation.CreatedDate;
 import org.springframework.data.jpa.domain.support.AuditingEntityListener;
+import ru.soune.nocopy.entity.user.User;
 
 import java.time.LocalDateTime;
 

src/main/java/ru/soune/nocopy/entity/user/AuthToken.java

@@ -1,4 +1,4 @@
-package ru.soune.nocopy.entity;
+package ru.soune.nocopy.entity.user;
 
 import jakarta.persistence.*;
 import lombok.*;
@@ -30,7 +30,7 @@ public class AuthToken {
     private String token;
 
     @Column(name = "expires_at", nullable = false)
-    private LocalDateTime expiresAt = LocalDateTime.now().plusDays(30);
+    private LocalDateTime expiresAt = LocalDateTime.now().plusHours(1);
 
     @CreatedDate
     @Column(name = "created_at", updatable = false, nullable = false)
@@ -41,8 +41,4 @@ public class AuthToken {
 
     @Column(name = "is_active")
     private Boolean isActive = true;
-
-    public boolean isValid() {
-        return Boolean.TRUE.equals(isActive) && expiresAt.isAfter(LocalDateTime.now());
-    }
 }

src/main/java/ru/soune/nocopy/entity/user/EmailVerificationToken.java

@@ -0,0 +1,35 @@
+package ru.soune.nocopy.entity.user;
+
+import jakarta.persistence.*;
+import lombok.*;
+import java.time.LocalDateTime;
+
+@Entity
+@Table(name = "email_verification_tokens")
+@Getter
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
+public class EmailVerificationToken {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "user_id", nullable = false)
+    private User user;
+
+    @Column(name = "token", nullable = false, length = 6)
+    private String token;
+
+    @Column(name = "expires_at", nullable = false)
+    private LocalDateTime expiresAt = LocalDateTime.now().plusMinutes(15);
+
+    @Column(name = "created_at", nullable = false)
+    private LocalDateTime createdAt;
+
+    public boolean isExpired() {
+        return LocalDateTime.now().isAfter(expiresAt);
+    }
+}

src/main/java/ru/soune/nocopy/entity/user/GenderType.java

@@ -1,4 +1,4 @@
-package ru.soune.nocopy.entity;
+package ru.soune.nocopy.entity.user;
 
 public enum GenderType {
     MALE, FEMALE

src/main/java/ru/soune/nocopy/entity/user/SubscriptionType.java

@@ -1,4 +1,4 @@
-package ru.soune.nocopy.entity;
+package ru.soune.nocopy.entity.user;
 
 import lombok.Getter;
 

src/main/java/ru/soune/nocopy/entity/user/User.java

@@ -1,4 +1,4 @@
-package ru.soune.nocopy.entity;
+package ru.soune.nocopy.entity.user;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import jakarta.persistence.*;
@@ -6,6 +6,7 @@ import jakarta.validation.constraints.Size;
 import lombok.*;
 import org.springframework.data.annotation.CreatedDate;
 import org.springframework.data.jpa.domain.support.AuditingEntityListener;
+import ru.soune.nocopy.entity.file.Violation;
 
 import java.time.LocalDate;
 import java.time.LocalDateTime;
@@ -33,6 +34,9 @@ public class User {
     @Column(name = "email", nullable = false, length = 1024, unique = true)
     private String email;
 
+    @Column(name = "email_verified")
+    private boolean emailVerified = false;
+
     @Column(name = "company")
     private String company;
 
@@ -64,7 +68,7 @@ public class User {
     private LocalDateTime lastLoginAt;
 
     @Column(name = "is_active")
-    private Boolean isActive = true;
+    private boolean isActive = false;
 
     @OneToMany(mappedBy = "user", cascade = CascadeType.ALL, orphanRemoval = true)
     @JsonIgnore
@@ -79,15 +83,4 @@ public class User {
     @OneToMany(mappedBy = "user", cascade = CascadeType.ALL, orphanRemoval = true)
     @JsonIgnore
     @ToString.Exclude
-    private List<UserAction> userActions = new ArrayList<>();
+    private List<Violation> violations = new ArrayList<>();}
-
-    @OneToMany(mappedBy = "user", cascade = CascadeType.ALL, orphanRemoval = true)
-    @JsonIgnore
-    @ToString.Exclude
-    private List<Violation> violations = new ArrayList<>();
-
-    @OneToMany(mappedBy = "user", cascade = CascadeType.ALL, orphanRemoval = true)
-    @JsonIgnore
-    @ToString.Exclude
-    private List<ImageProtection> imageProtections = new ArrayList<>();
-}

src/main/java/ru/soune/nocopy/entity/user/UserContent.java

@@ -1,9 +1,11 @@
-package ru.soune.nocopy.entity;
+package ru.soune.nocopy.entity.user;
 
 import jakarta.persistence.*;
 import lombok.*;
 import org.springframework.data.annotation.CreatedDate;
 import org.springframework.data.jpa.domain.support.AuditingEntityListener;
+import ru.soune.nocopy.entity.file.ContentStatus;
+import ru.soune.nocopy.entity.file.FileType;
 
 import java.time.LocalDateTime;
 

src/main/java/ru/soune/nocopy/exception/ChunkSizeExceededException.java

@@ -0,0 +1,7 @@
+package ru.soune.nocopy.exception;
+
+public class ChunkSizeExceededException extends RuntimeException {
+    public ChunkSizeExceededException(long actualSize, long maxSize) {
+        super(String.format("Chunk size not valid: " + actualSize));
+    }
+}

src/main/java/ru/soune/nocopy/exception/DuplicateImageException.java

@@ -0,0 +1,20 @@
+package ru.soune.nocopy.exception;
+
+public class DuplicateImageException extends RuntimeException {
+    private final String duplicateFileId;
+    private final Long userId;
+
+    public DuplicateImageException(String message, String duplicateFileId, Long userId) {
+        super(message);
+        this.duplicateFileId = duplicateFileId;
+        this.userId = userId;
+    }
+
+    public String duplicateFileId() {
+        return duplicateFileId;
+    }
+
+    public Long userId() {
+        return userId;
+    }
+}

src/main/java/ru/soune/nocopy/exception/FileEntityNotFoundException.java

@@ -0,0 +1,11 @@
+package ru.soune.nocopy.exception;
+
+public class FileEntityNotFoundException extends RuntimeException {
+    public FileEntityNotFoundException(String fileId) {
+        super("FileEntity not found with ID: " + fileId);
+    }
+
+    public FileEntityNotFoundException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}

src/main/java/ru/soune/nocopy/exception/FileIntegrityException.java

@@ -0,0 +1,7 @@
+package ru.soune.nocopy.exception;
+
+public class FileIntegrityException extends RuntimeException {
+    public FileIntegrityException(String message) {
+        super(message);
+    }
+}

src/main/java/ru/soune/nocopy/exception/FileUploadException.java

@@ -0,0 +1,11 @@
+package ru.soune.nocopy.exception;
+
+public class FileUploadException extends RuntimeException {
+    public FileUploadException(String message) {
+        super(message);
+    }
+
+    public FileUploadException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}

src/main/java/ru/soune/nocopy/exception/UploadSessionNotFoundException.java

@@ -0,0 +1,7 @@
+package ru.soune.nocopy.exception;
+
+public class UploadSessionNotFoundException extends RuntimeException {
+    public UploadSessionNotFoundException(String uploadId) {
+        super("Upload session not found: " + uploadId);
+    }
+}

src/main/java/ru/soune/nocopy/handler/AuthRequestHandler.java

@@ -0,0 +1,37 @@
+package ru.soune.nocopy.handler;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Component;
+import ru.soune.nocopy.dto.BaseRequest;
+import ru.soune.nocopy.dto.BaseResponse;
+import ru.soune.nocopy.dto.MessageCode;
+import ru.soune.nocopy.dto.TokenProcessRequest;
+import ru.soune.nocopy.exception.NotFoundAuthToken;
+import ru.soune.nocopy.service.register.AuthService;
+
+import java.util.Map;
+
+@Slf4j
+@Component
+@RequiredArgsConstructor
+public class AuthRequestHandler implements RequestHandler {
+
+    private final ObjectMapper objectMapper;
+
+    private final AuthService authService;
+
+    @Override
+    public BaseResponse handle(BaseRequest request) throws NotFoundAuthToken {
+        TokenProcessRequest tokenProcessRequest = objectMapper.convertValue(request.getMessageBody(),
+                TokenProcessRequest.class);
+
+        authService.useUserAuthToken(tokenProcessRequest.getToken());
+
+        return new BaseResponse(request.getMsgId(),
+                MessageCode.SUCCESS.getCode(),
+                "Token processed successfully",
+                Map.of("token", tokenProcessRequest.getToken()));
+    }
+}

src/main/java/ru/soune/nocopy/handler/FileEntityHandler.java

@@ -0,0 +1,323 @@
+package ru.soune.nocopy.handler;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Component;
+import ru.soune.nocopy.dto.*;
+import ru.soune.nocopy.dto.file.*;
+import ru.soune.nocopy.entity.file.FileEntity;
+import ru.soune.nocopy.entity.file.FileStatus;
+import ru.soune.nocopy.exception.FileEntityNotFoundException;
+import ru.soune.nocopy.exception.NotFoundAuthToken;
+import ru.soune.nocopy.repository.FileEntityRepository;
+import ru.soune.nocopy.repository.ImageHashRepository;
+import ru.soune.nocopy.service.register.AuthService;
+import ru.soune.nocopy.service.file.FileEntityService;
+import ru.soune.nocopy.service.file.FileStatsService;
+
+import java.util.Arrays;
+import java.util.List;
+
+@Slf4j
+@Component
+@RequiredArgsConstructor
+public class FileEntityHandler implements RequestHandler {
+
+    private final FileEntityService fileEntityService;
+
+    private final AuthService authService;
+
+    private final FileStatsService fileStatsService;
+
+    private final ObjectMapper objectMapper;
+
+    private final FileEntityRepository fileEntityRepository;
+
+    private final ImageHashRepository imageHashRepository;
+
+    @Override
+    public BaseResponse handle(BaseRequest request) {
+        try {
+            FileEntityRequest fileRequest = objectMapper.convertValue(
+                    request.getMessageBody(), FileEntityRequest.class);
+
+            String action = fileRequest.getAction();
+
+            switch (action) {
+                case "file_info":
+                    return handleGetFileInfo(request, fileRequest);
+                case "user_files_info":
+                    return handleGetFilesUserInfo(request, fileRequest);
+                case "file_by_session":
+                    return handleGetFileBySession(request, fileRequest);
+                case "user_files":
+                    return handleGetUserFiles(request, fileRequest);
+                case "search_files":
+                    return handleSearchFiles(request, fileRequest);
+                case "storage_usage":
+                    return handleGetStorageUsage(request, fileRequest);
+                case "delete_file":
+                    return handleDeleteFile(request, fileRequest);
+                default:
+                    ActionResponse response = ActionResponse.builder()
+                            .action(action)
+                            .availableActions(Arrays.asList(
+                                    "file_info", "file_by_session", "user_files",
+                                    "search_files", "storage_usage", "delete_file",
+                                    "user_files_info"))
+                            .build();
+
+                    return new BaseResponse(request.getMsgId(),
+                            MessageCode.INVALID_ACTION.getCode(),
+                            "Invalid action: " + action,
+                            response);
+            }
+        } catch (Exception e) {
+            log.error("Error in FileEntityHandler", e);
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                    "Handler error: " + e.getMessage(),
+                    null);
+        }
+    }
+
+    private BaseResponse handleGetFilesUserInfo(BaseRequest request, FileEntityRequest fileRequest) {
+        Long userId = authService.useUserAuthToken(fileRequest.getToken());
+        FileInfoUserResponse userFileStats = fileStatsService.getUserFileStats(userId);
+
+        return new BaseResponse(request.getMsgId(),
+                MessageCode.SUCCESS.getCode(),
+                MessageCode.SUCCESS.getDescription(),
+                userFileStats);
+    }
+
+    private BaseResponse handleGetFileInfo(BaseRequest request, FileEntityRequest fileRequest) {
+        try {
+            Long userId =  authService.useUserAuthToken(fileRequest.getToken());
+            FileEntityResponse fileInfo = fileEntityService.getById(fileRequest.getFileId(), request.getVersion());
+
+            if (!fileInfo.getUserId().equals(userId)) {
+                return new BaseResponse(request.getMsgId(),
+                        MessageCode.ACCESS_DENIED.getCode(),
+                        "Access denied",
+                        null);
+            }
+
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.SUCCESS.getCode(),
+                    MessageCode.SUCCESS.getDescription(),
+                    fileInfo);
+
+        } catch (NotFoundAuthToken e) {
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.INVALID_TOKEN.getCode(),
+                    "Authentication required",
+                    null);
+        } catch (Exception e) {
+            log.error("Error getting file info", e);
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                    "Failed to get file info: " + e.getMessage(),
+                    null);
+        }
+    }
+
+    private BaseResponse handleGetFileBySession(BaseRequest request, FileEntityRequest fileRequest) {
+        try {
+            Long userId = authService.useUserAuthToken(fileRequest.getToken());
+            FileEntityResponse fileInfo = fileEntityService.getByUploadSessionId(fileRequest.getUploadSessionId(),
+                    request.getVersion());
+
+            if (!fileInfo.getUserId().equals(userId)) {
+                return new BaseResponse(request.getMsgId(),
+                        MessageCode.ACCESS_DENIED.getCode(),
+                        "Access denied",
+                        null);
+            }
+
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.SUCCESS.getCode(),
+                    MessageCode.SUCCESS.getDescription(),
+                    fileInfo);
+
+        } catch (NotFoundAuthToken e) {
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.INVALID_TOKEN.getCode(),
+                    "Authentication required",
+                    null);
+        } catch (Exception e) {
+            log.error("Error getting file by session", e);
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                    "Failed to get file: " + e.getMessage(),
+                    null);
+        }
+    }
+
+    private BaseResponse handleGetUserFiles(BaseRequest request, FileEntityRequest fileRequest) {
+        try {
+            Long userId = authService.useUserAuthToken(fileRequest.getToken());
+            int page = fileRequest.getPage() != null ? fileRequest.getPage() : 1;
+            int pageSize = fileRequest.getPageSize() != null ? fileRequest.getPageSize() : 20;
+
+            FileResponse files = fileEntityService.getUserFiles(userId, page, pageSize, request.getVersion());
+
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.SUCCESS.getCode(),
+                    MessageCode.SUCCESS.getDescription(),
+                    files);
+
+        } catch (NotFoundAuthToken e) {
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.INVALID_TOKEN.getCode(),
+                    "Authentication required",
+                    null);
+        } catch (Exception e) {
+            log.error("Error getting user files", e);
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                    "Failed to get files: " + e.getMessage(),
+                    null);
+        }
+    }
+
+    private BaseResponse handleSearchFiles(BaseRequest request, FileEntityRequest fileRequest) {
+        try {
+            Long userId = authService.useUserAuthToken(fileRequest.getToken());
+            int page = fileRequest.getPage() != null ? fileRequest.getPage() : 1;
+            int pageSize = fileRequest.getPageSize() != null ? fileRequest.getPageSize() : 20;
+
+            if (fileRequest.getQuery() == null || fileRequest.getQuery().isBlank()) {
+                return handleGetUserFiles(request, fileRequest);
+            }
+
+            FileResponse allFiles = fileEntityService.getUserFiles(userId, 1, 1000, request.getVersion());
+
+            var filteredFiles = allFiles.getFiles().stream()
+                    .filter(f -> (f.getOriginalFileName() + f.getFileExtension()).toLowerCase()
+                            .contains(fileRequest.getQuery().toLowerCase()))
+                    .toList();
+
+            int start = (page - 1) * pageSize;
+            int end = Math.min(start + pageSize, filteredFiles.size());
+            List<FileEntityResponse> fileEntityResponses = filteredFiles.subList(start, Math.min(end, filteredFiles.size()));
+            long sumSize = fileEntityResponses.stream()
+                    .mapToLong(FileEntityResponse::getFileSize)
+                    .sum();
+
+            FileListResponse response = FileListResponse.builder()
+                    .files(fileEntityResponses)
+                    .totalCount(filteredFiles.size())
+                    .totalSize(sumSize)
+                    .formattedTotalSize(fileEntityService.formatFileSize(sumSize))
+                    .page(page)
+                    .pageSize(pageSize)
+                    .build();
+
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.SUCCESS.getCode(),
+                    MessageCode.SUCCESS.getDescription(),
+                    response);
+        } catch (NotFoundAuthToken e) {
+            return new BaseResponse(request.getMsgId(), MessageCode.INVALID_TOKEN.getCode(),
+                    "Authentication required", null);
+        } catch (Exception e) {
+            log.error("Error searching files", e);
+            return new BaseResponse(request.getMsgId(), MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                    "Failed to search files: " + e.getMessage(), null);
+        }
+    }
+
+    private BaseResponse handleGetStorageUsage(BaseRequest request, FileEntityRequest fileRequest) {
+        try {
+            Long userId = authService.useUserAuthToken(fileRequest.getToken());
+            long usage = fileEntityService.getUserStorageUsed(userId);
+
+            StorageUsageResponse response = StorageUsageResponse.builder()
+                    .userId(userId)
+                    .storageUsed(usage)
+                    .formattedStorageUsed(formatFileSize(usage))
+                    .build();
+
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.SUCCESS.getCode(),
+                    MessageCode.SUCCESS.getDescription(),
+                    response);
+
+        } catch (NotFoundAuthToken e) {
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.INVALID_TOKEN.getCode(),
+                    "Authentication required",
+                    null);
+        } catch (Exception e) {
+            log.error("Error getting storage usage", e);
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                    "Failed to get storage usage: " + e.getMessage(),
+                    null);
+        }
+    }
+
+    private BaseResponse handleDeleteFile(BaseRequest request, FileEntityRequest fileRequest) {
+        try {
+            Long userId = authService.useUserAuthToken(fileRequest.getToken());
+            String fileId = fileRequest.getFileId();
+            FileEntityResponse fileInfo = fileEntityService.getById(fileId, request.getVersion());
+            DeleteFileResponse response;
+
+            if (!fileInfo.getUserId().equals(userId)) {
+                return new BaseResponse(request.getMsgId(),
+                        MessageCode.ACCESS_DENIED.getCode(),
+                        "Access denied",
+                        null);
+            }
+
+            FileEntity fileEntity = fileEntityRepository.findById(fileId)
+                    .orElseThrow(() -> new FileEntityNotFoundException(fileId));
+            int fullDelete = fileRequest.getFullDelete() == null ? 0 : fileRequest.getFullDelete();
+
+            if (fileEntity.getStatus().equals(FileStatus.DELETED) || fullDelete == 1) {
+                fileEntityService.deleteFromDisk(fileEntity);
+                response = DeleteFileResponse.builder()
+                        .fileId(fileRequest.getFileId())
+                        .message("File deleted from disk")
+                        .build();
+            } else {
+                fileEntityService.softDeleteFileWithHash(fileEntity);
+//
+//                imageHashRepository.deleteByFileId(fileEntity.getId());
+//
+//                fileEntityService.markAsDeleted(fileEntity);
+
+                response = DeleteFileResponse.builder()
+                        .fileId(fileRequest.getFileId())
+                        .message("File marked as deleted")
+                        .build();
+            }
+
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.SUCCESS.getCode(),
+                    "File marked as deleted",
+                    response);
+        } catch (NotFoundAuthToken e) {
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.INVALID_TOKEN.getCode(),
+                    "Authentication required",
+                    null);
+        } catch (Exception e) {
+            log.error("Error deleting file", e);
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                    "Failed to delete file: " + e.getMessage(),
+                    null);
+        }
+    }
+
+    private String formatFileSize(long size) {
+        if (size < 1024) return size + " B";
+        int exp = (int) (Math.log(size) / Math.log(1024));
+        String pre = "KMGTPE".charAt(exp-1) + "";
+        return String.format("%.1f %sB", size / Math.pow(1024, exp), pre);
+    }
+}

src/main/java/ru/soune/nocopy/handler/FileUploadHandler.java

@@ -0,0 +1,248 @@
+package ru.soune.nocopy.handler;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+import org.springframework.validation.BeanPropertyBindingResult;
+import org.springframework.validation.BindingResult;
+import org.springframework.validation.FieldError;
+import ru.soune.nocopy.dto.*;
+import ru.soune.nocopy.dto.file.*;
+import ru.soune.nocopy.entity.user.AuthToken;
+import ru.soune.nocopy.entity.file.FileType;
+import ru.soune.nocopy.entity.file.FileUploadSession;
+import ru.soune.nocopy.exception.*;
+import ru.soune.nocopy.handler.validator.FileUploadRequestValidator;
+import ru.soune.nocopy.repository.AuthTokenRepository;
+import ru.soune.nocopy.repository.FileUploadSessionRepository;
+import ru.soune.nocopy.service.register.AuthService;
+import ru.soune.nocopy.service.file.FileUploadService;
+
+import java.util.*;
+import java.util.stream.Collectors;
+
+@Slf4j
+@Component
+@RequiredArgsConstructor
+public class FileUploadHandler implements RequestHandler {
+    private final FileUploadService fileUploadService;
+
+    private final AuthService authService;
+
+    private final AuthTokenRepository authTokenRepository;
+
+    private final FileUploadSessionRepository fileUploadSessionRepository;
+
+    private final ObjectMapper objectMapper;
+
+    private final FileUploadRequestValidator fileUploadRequestValidator;
+
+    @Value("${file.storage.max-file-size}")
+    private long maxFileSize;
+
+    @Override
+    public BaseResponse handle(BaseRequest request) {
+        try {
+            FileUploadRequest fileRequest = objectMapper.convertValue(
+                    request.getMessageBody(), FileUploadRequest.class);
+
+            String action = fileRequest.getAction();
+
+            switch (action) {
+                case "init":
+                    return handleInitUpload(request, fileRequest);
+                case "file_types":
+                    return handleGetFileTypes(request);
+                case "file_extension":
+                    return handleGetFileExtensions(fileRequest, request);
+                case "chunks":
+                    return handleGetChunkStatus(request, fileRequest);
+                case "cancel":
+                    return handleCancelUpload(request, fileRequest);
+                case "progress":
+                    return handleGetProgress(request, fileRequest);
+                default:
+                    ActionResponse response = ActionResponse.builder()
+                            .action(action)
+                            .availableActions(Arrays.asList("init", "file_types", "chunks", "cancel", "progress"))
+                            .build();
+
+                    return new BaseResponse(request.getMsgId(), MessageCode.INVALID_ACTION.getCode(),
+                            "Invalid action: " + action, response);
+            }
+        } catch (Exception e) {
+            log.error("Error in FileUploadHandler", e);
+            return new BaseResponse(request.getMsgId(), MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                    "Handler error: " + e.getMessage(), null);
+        }
+    }
+
+    private BaseResponse handleInitUpload(BaseRequest request, FileUploadRequest fileRequest) {
+            String token = fileRequest.getToken();
+
+            Optional<AuthToken> tokenOptional = authTokenRepository.findByToken(token);
+
+            if (tokenOptional.isEmpty()) {
+                return new BaseResponse(request.getMsgId(), MessageCode.INVALID_TOKEN.getCode(),
+                        MessageCode.INVALID_TOKEN.getDescription(), Map.of("token", token));
+            }
+
+            Long userId = authService.useUserAuthToken(token);
+            BindingResult bindingResult = new BeanPropertyBindingResult(fileRequest, "fileRequest");
+                    fileUploadRequestValidator.validate(fileRequest, bindingResult);
+
+            if (bindingResult.hasErrors()) {
+                Map<String, String> fieldErrors = bindingResult.getFieldErrors()
+                        .stream()
+                        .collect(Collectors.toMap(
+                                FieldError::getField,
+                                fieldError -> fieldError.getDefaultMessage() != null
+                                        ? fieldError.getDefaultMessage()
+                                        : "Validation error"));
+
+                return new BaseResponse(request.getMsgId(), MessageCode.INVALID_FIELD.getCode(),
+                        MessageCode.INVALID_FIELD.getDescription(), fieldErrors);
+            }
+
+            FileUploadSession session = fileUploadService.initUpload(
+                    userId,
+                    fileRequest.getFileName(),
+                    fileRequest.getFileType(),
+                    fileRequest.getExtension(),
+                    fileRequest.getFileSize());
+
+            InitFileResponse fileResponse = InitFileResponse.builder()
+                    .uploadId(session.getUploadId())
+                    .fileName(session.getFileName())
+                    .totalChunks(session.getTotalChunks())
+                    .chunkSize(session.getChunkSize())
+                    .status(session.getStatus().toString())
+                    .build();
+
+            return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),
+                    MessageCode.SUCCESS.getDescription(), fileResponse);
+    }
+
+    private BaseResponse handleGetProgress(BaseRequest request, FileUploadRequest fileRequest) {
+        try {
+            ru.soune.nocopy.dto.file.UploadProgressResponse progress =
+                    fileUploadService.getUploadProgress(fileRequest.getUploadId());
+
+            UploadProgressResponse responseDto = UploadProgressResponse.builder()
+                    .uploadId(progress.getUploadId())
+                    .fileName(progress.getFileName())
+                    .totalChunks(progress.getTotalChunks())
+                    .uploadedChunks(progress.getUploadedChunks())
+                    .status(progress.getStatus())
+                    .progressPercentage(progress.getProgressPercentage())
+                    .filePath(progress.getFilePath())
+                    .build();
+
+            return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),
+                    MessageCode.SUCCESS.getDescription(), responseDto);
+
+        } catch (UploadSessionNotFoundException e) {
+            return new BaseResponse(request.getMsgId(), MessageCode.FILE_NOT_FOUND.getCode(),
+                    MessageCode.FILE_NOT_FOUND.getDescription(), null);
+        } catch (Exception e) {
+            log.error("Error getting progress", e);
+            return new BaseResponse(request.getMsgId(), MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                    MessageCode.FILE_UPLOAD_ERROR.getDescription(), null);
+        }
+    }
+
+    private BaseResponse handleCancelUpload(BaseRequest request, FileUploadRequest fileRequest) {
+        try {
+            fileUploadService.cancelUpload(fileRequest.getUploadId());
+
+            CanceledUploadResponse response = CanceledUploadResponse.builder()
+                    .uploadId(fileRequest.getUploadId())
+                    .message("Upload cancelled successfully")
+                    .build();
+
+            return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),
+                    "Upload cancelled successfully", response);
+
+        } catch (UploadSessionNotFoundException e) {
+            return new BaseResponse(request.getMsgId(), MessageCode.FILE_NOT_FOUND.getCode(),
+                    "Upload session not found", null);
+        } catch (FileUploadException e) {
+            return new BaseResponse(request.getMsgId(), MessageCode.FILE_UPLOAD_ERROR.getCode(), e.getMessage(), null);
+        } catch (Exception e) {
+            log.error("Error cancelling upload", e);
+            return new BaseResponse(request.getMsgId(), MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                    "Failed to cancel upload", null);
+        }
+    }
+
+    private BaseResponse handleGetChunkStatus(BaseRequest request, FileUploadRequest fileRequest) {
+        try {
+            FileUploadSession session = fileUploadSessionRepository.findById(fileRequest.getUploadId())
+                    .orElseThrow(() -> new UploadSessionNotFoundException(fileRequest.getUploadId()));
+
+            Map<String, Boolean> chunkStatus = new HashMap<>();
+
+            for (int i = 0; i < session.getTotalChunks(); i++) {
+                chunkStatus.put("chunk_" + i, session.getChunkPaths().containsKey(i));
+            }
+
+            ChunkStatusResponse response = ChunkStatusResponse.builder()
+                    .uploadId(fileRequest.getUploadId())
+                    .totalChunks(session.getTotalChunks())
+                    .uploadedChunks(session.getChunksUploaded())
+                    .missingChunks(session.getTotalChunks() - session.getChunksUploaded())
+                    .chunkStatus(chunkStatus)
+                    .build();
+
+            return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),
+                    MessageCode.SUCCESS.getDescription(), response);
+        } catch (UploadSessionNotFoundException e) {
+            return new BaseResponse(request.getMsgId(), MessageCode.FILE_NOT_FOUND.getCode(),
+                    "Upload session not found", null);
+        } catch (Exception e) {
+            log.error("Error getting chunk status", e);
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.FILE_UPLOAD_ERROR.getCode(), "Failed to get chunk status",
+                    null);
+        }
+    }
+
+    private BaseResponse handleGetFileTypes(BaseRequest request) {
+        try {
+            FileTypesResponse response = FileTypesResponse.builder()
+                    .fileTypes(Arrays.asList(FileType.values()))
+                    .count(FileType.values().length)
+                    .build();
+
+            return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),
+                    MessageCode.SUCCESS.getDescription(), response);
+
+        } catch (Exception e) {
+            log.error("Error getting file types", e);
+            return new BaseResponse(request.getMsgId(), MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                    "Failed to get file types", null);
+        }
+    }
+
+    private BaseResponse handleGetFileExtensions(FileUploadRequest fileRequest, BaseRequest request) {
+        try {
+            FileType fileType = FileType.valueOf(fileRequest.getFileType().toUpperCase());
+            List<String> allowedExtensions = fileType.getAllowedExtensions();
+
+            FileExtensionResponse response = FileExtensionResponse.builder()
+                    .extension(allowedExtensions)
+                    .count(allowedExtensions.size())
+                    .maxFileSize(maxFileSize)
+                    .build();
+
+            return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),
+                    MessageCode.SUCCESS.getDescription(), response);
+        } catch (Exception e) {
+            log.error("Error getting file extensions", e);
+            return new BaseResponse(request.getMsgId(), MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                    "Failed to get file extensions", null);
+        }
+    }
+}

src/main/java/ru/soune/nocopy/handler/GlobalExceptionHandler.java

@@ -5,15 +5,16 @@ import org.springframework.context.support.DefaultMessageSourceResolvable;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.MethodArgumentNotValidException;
-import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.*;
-import org.springframework.web.bind.annotation.ResponseStatus;
+import ru.soune.nocopy.dto.BaseResponse;
-import org.springframework.web.bind.annotation.RestControllerAdvice;
+import ru.soune.nocopy.dto.MessageCode;
 import ru.soune.nocopy.exception.*;
 
 import java.util.Map;
 
 @RestControllerAdvice
 @AllArgsConstructor
+@ControllerAdvice
 public class GlobalExceptionHandler {
 
     @ExceptionHandler(MethodArgumentNotValidException.class)
@@ -81,4 +82,12 @@ public class GlobalExceptionHandler {
                         "message" ,ex.getMessage()
                 ));
     }
+
+    @ExceptionHandler(DuplicateImageException.class)
+    @ResponseBody
+    public ResponseEntity<BaseResponse> handleDuplicateImage(DuplicateImageException e) {
+        return ResponseEntity.ok().body(new BaseResponse(
+                20004, MessageCode.DUPLICATE_FILE_UPLOAD.getCode(),
+                "Duplicate image detected", e.getMessage()));
+    }
 }

src/main/java/ru/soune/nocopy/handler/ImageFoundRequestHandler.java

@@ -0,0 +1,41 @@
+package ru.soune.nocopy.handler;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Component;
+import ru.soune.nocopy.dto.BaseRequest;
+import ru.soune.nocopy.dto.BaseResponse;
+import ru.soune.nocopy.dto.MessageCode;
+import ru.soune.nocopy.dto.file.ImageSearchRequest;
+import ru.soune.nocopy.dto.file.YandexSearchResponse;
+import ru.soune.nocopy.service.search.YandexSearchService;
+import ru.soune.nocopy.service.search.GoogleVisionSearchService;
+
+@Slf4j
+@Component
+@RequiredArgsConstructor
+public class ImageFoundRequestHandler implements RequestHandler {
+
+    private final ObjectMapper objectMapper;
+
+    private final YandexSearchService yandexSearchService;
+
+    private final GoogleVisionSearchService googleVisionSearchService;
+
+    @Override
+    public BaseResponse handle(BaseRequest request) throws Exception {
+        ImageSearchRequest imageSearchRequest = objectMapper.convertValue(request.getMessageBody(),
+                ImageSearchRequest.class);
+
+        String fileId = imageSearchRequest.getFileId();
+
+        YandexSearchResponse response = yandexSearchService.searchByFileEntity(fileId);
+
+        //TODO uncommited when add billing
+//        GoogleVisionSearchResponse googleVisionSearchResponse = googleVisionSearchService.searchByFileEntity(fileId);
+
+        return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),
+                MessageCode.SUCCESS.getDescription(), response);
+    }
+}

src/main/java/ru/soune/nocopy/handler/JwtTokenProvider.java

@@ -0,0 +1,7 @@
+package ru.soune.nocopy.handler;
+
+import org.springframework.stereotype.Component;
+
+@Component
+public class JwtTokenProvider {
+}

src/main/java/ru/soune/nocopy/handler/LoginRequestHandler.java

@@ -4,10 +4,13 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Component;
 import ru.soune.nocopy.dto.*;
-import ru.soune.nocopy.entity.AuthToken;
+import ru.soune.nocopy.dto.register.LoginAnswer;
+import ru.soune.nocopy.dto.register.LoginRequest;
+import ru.soune.nocopy.entity.user.AuthToken;
+import ru.soune.nocopy.entity.user.User;
 import ru.soune.nocopy.exception.NotValidFieldException;
 import ru.soune.nocopy.repository.UserRepository;
-import ru.soune.nocopy.service.AuthService;
+import ru.soune.nocopy.service.register.AuthService;
 
 import java.util.Arrays;
 import java.util.Map;
@@ -17,14 +20,17 @@ import java.util.Map;
 public class LoginRequestHandler implements RequestHandler {
 
     private final UserRepository userRepository;
+
     private final AuthService authService;
+
     private final ObjectMapper objectMapper;
 
     @Override
     public BaseResponse handle(BaseRequest request) {
         LoginRequest loginRequest = objectMapper.convertValue(request.getMessageBody(), LoginRequest.class);
+        User user = userRepository.findByEmail(loginRequest.getEmail());
 
-        if (!userRepository.existsByEmail(loginRequest.getEmail())) {
+        if (user == null) {
             LoginAnswer loginAnswer = new LoginAnswer();
             loginAnswer.setFieldErrors(Arrays.asList(Map.of("email", loginRequest.getEmail())));
 
@@ -33,10 +39,24 @@ public class LoginRequestHandler implements RequestHandler {
                             MessageCode.AUTH_EMAIL_NOT_FOUND.getDescription(), loginAnswer));
         }
 
+        if (!user.isActive() && !user.isEmailVerified()) {
+            LoginAnswer loginAnswer = new LoginAnswer();
+
+            loginAnswer.setFieldErrors(Arrays.asList(Map.of(
+                    "verified", String.valueOf(user.isEmailVerified()),
+                    "isActive", String.valueOf(user.isActive()))));
+
+            return new BaseResponse(request.getMsgId(), MessageCode.USER_NOT_VERIFIED.getCode(),
+                    MessageCode.USER_NOT_VERIFIED.getDescription(), loginAnswer);
+        }
+
         AuthToken authToken = authService.login(loginRequest);
+        String token = authToken.getToken();
 
         LoginAnswer loginAnswer = new LoginAnswer();
-        loginAnswer.setToken(authToken.getToken());
+        loginAnswer.setToken(token);
+
+        authService.useUserAuthToken(token);
 
         return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),
                 MessageCode.SUCCESS.getDescription(), loginAnswer);

src/main/java/ru/soune/nocopy/handler/LogoutRequestHandler.java

@@ -4,12 +4,14 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Component;
 import ru.soune.nocopy.dto.*;
-import ru.soune.nocopy.entity.AuthToken;
+import ru.soune.nocopy.dto.register.LogOutAnswer;
-import ru.soune.nocopy.entity.User;
+import ru.soune.nocopy.dto.register.LogoutRequest;
+import ru.soune.nocopy.entity.user.AuthToken;
+import ru.soune.nocopy.entity.user.User;
 import ru.soune.nocopy.exception.NotValidFieldException;
 import ru.soune.nocopy.repository.AuthTokenRepository;
 import ru.soune.nocopy.repository.UserRepository;
-import ru.soune.nocopy.service.AuthService;
+import ru.soune.nocopy.service.register.AuthService;
 
 import java.util.Objects;
 import java.util.Optional;
@@ -31,16 +33,16 @@ public class LogoutRequestHandler implements RequestHandler {
         LogoutRequest logoutRequest = objectMapper.convertValue(request.getMessageBody(), LogoutRequest.class);
 
         Optional<AuthToken> opToken = authTokenRepository.findByToken(logoutRequest.getToken());
-        Optional<User> user = userRepository.findByEmail(logoutRequest.getEmail());
+        User user = userRepository.findByEmail(logoutRequest.getEmail());
 
-        if (opToken.isEmpty() || user.isEmpty()) {
+        if (opToken.isEmpty() || user == null) {
             throw new NotValidFieldException("User with email or token not found",
                     new BaseResponse(request.getMsgId(), MessageCode.AUTH_EMAIL_OR_TOKEN_NOT_FOUND.getCode(),
                             MessageCode.AUTH_EMAIL_OR_TOKEN_NOT_FOUND.getDescription(),
                             new LogoutRequest(logoutRequest.getEmail(), logoutRequest.getToken())));
         }
 
-        if (!Objects.equals(opToken.get().getUser().getId(), user.get().getId())) {
+        if (!Objects.equals(opToken.get().getUser().getId(), user.getId())) {
             throw new NotValidFieldException("User token mismatch with user",
                     new BaseResponse(request.getMsgId(), MessageCode.AUTH_TOKEN_MISMATCH.getCode(),
                             MessageCode.AUTH_TOKEN_MISMATCH.getDescription(),

src/main/java/ru/soune/nocopy/handler/RegRequestHandler.java

@@ -7,12 +7,16 @@ import org.springframework.stereotype.Component;
 import org.springframework.validation.BeanPropertyBindingResult;
 import org.springframework.validation.BindingResult;
 import ru.soune.nocopy.dto.*;
-import ru.soune.nocopy.entity.AuthToken;
+import ru.soune.nocopy.dto.register.RegAnswer;
+import ru.soune.nocopy.dto.register.RegRequest;
+import ru.soune.nocopy.entity.user.AuthToken;
+import ru.soune.nocopy.entity.user.EmailVerificationToken;
 import ru.soune.nocopy.exception.NotValidFieldException;
 import ru.soune.nocopy.exception.ValidationException;
 import ru.soune.nocopy.handler.validator.RegRequestValidator;
 import ru.soune.nocopy.repository.UserRepository;
-import ru.soune.nocopy.service.AuthService;
+import ru.soune.nocopy.service.register.AuthService;
+import ru.soune.nocopy.service.mail.EmailService;
 
 import java.util.Arrays;
 import java.util.Map;
@@ -29,6 +33,8 @@ public class RegRequestHandler implements RequestHandler {
 
     private final ObjectMapper objectMapper;
 
+    private final EmailService emailService;
+
     @Override
     public BaseResponse handle(BaseRequest request) throws ValidationException {
         RegRequest regRequest = objectMapper.convertValue(request.getMessageBody(), RegRequest.class);
@@ -45,6 +51,7 @@ public class RegRequestHandler implements RequestHandler {
         }
 
         BindingResult bindingResult = new BeanPropertyBindingResult(regRequest, "regRequest");
+
         regRequestValidator.validate(regRequest, bindingResult);
 
         if (bindingResult.hasErrors()) {
@@ -52,9 +59,26 @@ public class RegRequestHandler implements RequestHandler {
         }
 
         AuthToken authToken = authService.register(regRequest);
+        EmailVerificationToken emailToken = emailService.createEmailVerificationToken(authToken);
+
+        try {
+            emailService.sendVerificationEmail(authToken.getUser(), emailToken.getToken());
+        } catch (Exception e) {
+            return new BaseResponse(request.getMsgId(), MessageCode.SEND_EMAIL_EXCEPTION.getCode(),
+                    MessageCode.SEND_EMAIL_EXCEPTION.getDescription(), Map.of(
+                        "message", "not send",
+                            "email",  regRequest.getEmail()
+            ));
+        }
+
+
+        String token = authToken.getToken();
+        authService.useUserAuthToken(token);
 
         RegAnswer regAnswer = new RegAnswer();
-        regAnswer.setToken(authToken.getToken());
+        regAnswer.setVerified(false);
+        regAnswer.setActive(false);
+        regAnswer.setUserId(authToken.getUser().getId());
 
         return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),
                 MessageCode.SUCCESS.getDescription(), regAnswer);

src/main/java/ru/soune/nocopy/handler/VerifyRegisterUserHandler.java

@@ -0,0 +1,122 @@
+package ru.soune.nocopy.handler;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import jakarta.mail.MessagingException;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Component;
+import ru.soune.nocopy.dto.BaseRequest;
+import ru.soune.nocopy.dto.BaseResponse;
+import ru.soune.nocopy.dto.MessageCode;
+import ru.soune.nocopy.dto.register.RegAnswer;
+import ru.soune.nocopy.dto.register.VerifyUserRequest;
+import ru.soune.nocopy.entity.user.AuthToken;
+import ru.soune.nocopy.entity.user.EmailVerificationToken;
+import ru.soune.nocopy.entity.user.User;
+import ru.soune.nocopy.exception.NotValidFieldException;
+import ru.soune.nocopy.exception.UserNotFoundException;
+import ru.soune.nocopy.repository.AuthTokenRepository;
+import ru.soune.nocopy.repository.EmailVerificationTokenRepository;
+import ru.soune.nocopy.repository.UserRepository;
+import ru.soune.nocopy.service.mail.EmailService;
+import ru.soune.nocopy.service.register.AuthService;
+import ru.soune.nocopy.service.user.UserService;
+
+import java.io.IOException;
+import java.util.Map;
+import java.util.Optional;
+
+@Component
+@Slf4j
+@RequiredArgsConstructor
+public class VerifyRegisterUserHandler implements RequestHandler {
+    private final ObjectMapper objectMapper;
+
+    private final EmailVerificationTokenRepository emailVerificationTokenRepository;
+
+    private final EmailService emailService;
+
+    private final UserRepository userRepository;
+
+    private final UserService userService;
+
+    private final AuthTokenRepository authTokenRepository;
+
+    private final AuthService authService;
+
+    @Override
+    public BaseResponse handle(BaseRequest request) throws MessagingException, IOException {
+        VerifyUserRequest verifyUserRequest = objectMapper.convertValue(request.getMessageBody(), VerifyUserRequest.class);
+
+        Long userId = verifyUserRequest.getUserId();
+
+        User user = userRepository.findById(userId)
+                .orElseThrow(() -> new UserNotFoundException("User not found with id: " + userId));
+
+        Optional<AuthToken> userAuthTokens = authTokenRepository.findByUserId(userId);
+
+        AuthToken authToken = userAuthTokens.isEmpty() ? authService.generateAuthToken(user): userAuthTokens.get();
+
+        if (verifyUserRequest.getResend() != null && verifyUserRequest.getResend() == 1) {
+            return handleResend(request, user, authToken);
+        }
+
+        return handleVerify(request, user, authToken, verifyUserRequest.getVerifyToken());
+    }
+
+    private BaseResponse handleResend(BaseRequest request, User user, AuthToken authToken) throws MessagingException, IOException {
+
+        EmailVerificationToken token = emailVerificationTokenRepository.findByUserId(user.getId());
+
+        if (token != null && !token.isExpired()) {
+            emailService.sendVerificationEmail(user, token.getToken());
+
+            log.info("Verification token resent for user {}", user.getEmail());
+            return successResponse(request, authToken, "Verification code has been resent", false,
+                    false, user.getEmail());
+        }
+
+        if (token != null) {
+            emailVerificationTokenRepository.delete(token);
+        }
+
+        EmailVerificationToken newToken = emailService.createEmailVerificationToken(authToken);
+
+        emailService.sendVerificationEmail(user, newToken.getToken());
+
+        log.info("New verification token generated for user {}", user.getEmail());
+
+        return successResponse(request, authToken, "New verification code has been sent",
+                false, false, user.getEmail());
+    }
+
+
+    private BaseResponse handleVerify(BaseRequest request, User user, AuthToken authToken, String providedToken) {
+
+        EmailVerificationToken token = emailVerificationTokenRepository.findByUserIdAndToken(user.getId(), providedToken);
+
+        if (token == null || token.isExpired()) {
+            throw new NotValidFieldException("Invalid or expired token",
+                    new BaseResponse(request.getMsgId(), MessageCode.INVALID_TOKEN.getCode(),
+                            MessageCode.INVALID_TOKEN.getDescription(), Map.of("userId", user.getId())));
+        }
+
+        User updateUser = userService.activateAndVerifyUser(user.getId());
+
+        emailVerificationTokenRepository.delete(token);
+
+        return successResponse(request, authToken, MessageCode.SUCCESS.getDescription(), updateUser.isActive(),
+                updateUser.isEmailVerified(), updateUser.getEmail());
+    }
+
+    private BaseResponse successResponse(BaseRequest request, AuthToken authToken, String message, boolean isActive,
+                                         boolean isVerified, String email) {
+        RegAnswer regAnswer = new RegAnswer();
+        regAnswer.setToken(authToken.getToken());
+        regAnswer.setVerified(isVerified);
+        regAnswer.setActive(isActive);
+        regAnswer.setEmail(email);
+
+        return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(), message, regAnswer);
+    }
+}

src/main/java/ru/soune/nocopy/handler/validator/FileUploadRequestValidator.java

@@ -0,0 +1,91 @@
+package ru.soune.nocopy.handler.validator;
+
+import org.springframework.stereotype.Component;
+import org.springframework.validation.Errors;
+import org.springframework.validation.Validator;
+import ru.soune.nocopy.dto.file.FileUploadRequest;
+import ru.soune.nocopy.entity.file.FileType;
+
+import java.util.Arrays;
+import java.util.List;
+
+@Component
+public class FileUploadRequestValidator implements Validator {
+    private final List<FileType> supportedFileTypes = Arrays.asList(FileType.values());
+
+    @Override
+    public boolean supports(Class<?> clazz) {
+        return FileUploadRequest.class.isAssignableFrom(clazz);
+    }
+
+    @Override
+    public void validate(Object target, Errors errors) {
+        FileUploadRequest request = (FileUploadRequest) target;
+
+        validateType(request.getFileType(), errors);
+        validateFileName(request.getFileName(), errors);
+        validateExtension(request.getExtension(), request.getFileType(), errors);
+    }
+
+    private void validateType(String fileType, Errors errors) {
+        if (fileType == null || fileType.isBlank()) {
+            errors.rejectValue("fileType", "fileType.required", "File type is required");
+            return;
+        }
+
+        try {
+            FileType parsedType = FileType.valueOf(fileType.toUpperCase());
+
+            if (!supportedFileTypes.contains(parsedType)) {
+                errors.rejectValue("fileType", "fileType.unsupported",
+                        "Unsupported file type. Valid types: " + Arrays.toString(FileType.values()));
+            }
+        } catch (IllegalArgumentException e) {
+            errors.rejectValue("fileType", "fileType.invalid",
+                    "Invalid file type. Valid types: " + Arrays.toString(FileType.values()));
+        }
+    }
+
+    private void validateFileName(String fileName, Errors errors) {
+        if (fileName == null || fileName.isBlank()) {
+            errors.rejectValue("fileName", "fileName.required", "File name is required");
+            return;
+        }
+
+        if (fileName.length() > 255) {
+            errors.rejectValue("fileName", "fileName.too.long",
+                    "File name too long, max 255 characters");
+        }
+    }
+
+    private void validateExtension(String extension, String fileType,  Errors errors) {
+        if (extension == null || extension.isBlank()) {
+            errors.rejectValue("fileType", "fileType.required", "File type is required");
+            return;
+        }
+
+        if (extension.contains(".")) {
+            errors.rejectValue("extension", "extension.required", "Extension contains comma");
+            return;
+        }
+
+        try {
+            FileType parsedType = FileType.valueOf(fileType.toUpperCase());
+
+            if (!parsedType.supportsExtension(extension)) {
+                errors.rejectValue("fileName", "fileType.extension.mismatch",
+                        String.format("File extension '%s' does not match file type '%s'. Allowed extensions for %s: %s",
+                                extension, parsedType.getDisplayName(), parsedType.getDisplayName(),
+                                parsedType.getAllowedExtensions()));
+            }
+
+        } catch (IllegalArgumentException e) {
+            errors.rejectValue("fileType", "fileType.invalid",
+                    "Invalid file type. Valid types: " + Arrays.toString(FileType.values()));
+        }
+    }
+
+    private String getFileExtension(String fileName) {
+        return fileName.substring(fileName.lastIndexOf('.') + 1).toLowerCase();
+    }
+}