dev

# Conflicts:
#	src/main/java/ru/soune/nocopy/controller/ApiController.java

.env

@@ -1,10 +1,10 @@
 POSTGRES_DB=no_copy_
-POSTGRES_USER=postgres
+POSTGRES_USER=ncp_db
-POSTGRES_PASSWORD=postgres
+POSTGRES_PASSWORD=ncpDbApp
 POSTGRES_PORT=5432
 POSTGRES_HOST=postgres
 
 REDIS_HOST=redis
 REDIS_PORT=6379
 
-SERVER_PORT=8080
+SERVER_PORT=8080

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');
+

docker-compose.yaml

@@ -18,7 +18,7 @@ services:
     restart: unless-stopped
 
   db:
-    image: postgres:17
+    image: postgres:17.7
     restart: always
     deploy:
       resources:
@@ -30,14 +30,15 @@ services:
           memory: 1G
     environment:
       POSTGRES_DB: no_copy_
-      POSTGRES_USER: postgres
+      POSTGRES_USER: ${POSTGRES_USER}
-      POSTGRES_PASSWORD: postgres
+      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:
@@ -58,11 +59,10 @@ services:
     environment:
       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_USER}
-      POSTGRES_PASSWORD: postgres
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
       POSTGRES_PORT: 5432
       POSTGRES_HOST: db
       STORAGE_SERVICE_URL: http://storage:8081
@@ -82,6 +82,10 @@ services:
           - 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

infrastructure/jenkins/deploy.groovy

@@ -30,6 +30,7 @@ pipeline {
             }
         }
 
+
         stage('Deploy with docker-compose') {
             steps {
                 script {
@@ -38,71 +39,73 @@ 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 "Deploying branch: ${params.BRANCH}"
-                            
+                    
-                            echo "Copying files to server..."
+                    echo "Copying files to server..."
-                            sshpass -p '$SSH_PASS' ssh -o StrictHostKeyChecking=no $SSH_USER@$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 -o StrictHostKeyChecking=no ./* $SSH_USER@$SERVER:/opt/deployments/${params.BRANCH}/
+                    sshpass -p '$SSH_PASS' scp -r -o StrictHostKeyChecking=no ./* $SSH_USER@$SERVER:/opt/deployments/${params.BRANCH}/
-                            
+                    
-                            sshpass -p '$SSH_PASS' ssh -o StrictHostKeyChecking=no $SSH_USER@$SERVER "
+                    sshpass -p '$SSH_PASS' ssh -o StrictHostKeyChecking=no $SSH_USER@$SERVER "
-                                cd /opt/deployments/${params.BRANCH}
+                        cd /opt/deployments/${params.BRANCH}
-                                
+                        
-                                echo '1. Остановка старого приложения...'
+                        echo '1. Остановка старого приложения...'
-                                docker stop app-backend 2>/dev/null || echo 'Контейнер не найден'
+                        docker stop app-backend 2>/dev/null || echo 'Контейнер не найден'
-                                docker rm app-backend 2>/dev/null || echo 'Контейнер не найден'
+                        docker rm app-backend 2>/dev/null || echo 'Контейнер не найден'
-                                
+                        
-                                echo '2. Удаление старых образов...'
+                        echo '2. Удаление старых образов...'
-                                docker images --filter 'reference=*app*' -q | xargs -r docker rmi -f 2>/dev/null || echo 'Нет образов для удаления'
+                        docker images --filter 'reference=*app*' -q | xargs -r docker rmi -f 2>/dev/null || echo 'Нет образов для удаления'
-                                
+                        
-                                echo '3. Создание сети если нужно...'
+                        echo '3. Создание сети если нужно...'
-                                docker network create app-network 2>/dev/null || echo 'Сеть уже существует'
+                        docker network create app-network 2>/dev/null || echo 'Сеть уже существует'
-                                
+                        
-                                echo '4. Запуск инфраструктуры...'
+                        echo '4. Запуск инфраструктуры...'
-                                docker-compose up -d db storage
+                        docker-compose up -d db storage
-                                
+                        
-                                echo '5. Ожидание PostgreSQL...'
+                        echo '5. Ожидание PostgreSQL...'
-                                sleep 10
+                        sleep 10
-                                
+                        
-                                echo '6. Сборка нового образа приложения...'
+                        echo '6. Сборка нового образа приложения...'
-                                docker build --no-cache -t app-backend:latest .
+                        docker build --no-cache -t app-backend:latest .
-                                
+                        
-                                echo '7. Запуск приложения...'
+                        echo '7. Запуск приложения...'
-                                docker run -d \\
+                        docker run -d \\
-                                  --name app-backend \\
+                          --name app-backend \\
-                                  --network app-network \\
+                          --network app-network \\
-                                  --network-alias app \\
+                          --network-alias app \\
-                                  -p 80:8080 \\
+                          -p 80:8080 \\
-                                  -v uploads_data:/data/uploads:rw \\
+                          -v uploads_data:/data/uploads:rw \\
-                                  -e POSTGRES_DB=no_copy_ \\
+                          -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_PORT=5432 \\
-                                  -e POSTGRES_HOST=db \\
+                          -e POSTGRES_HOST=db \\
-                                  --restart unless-stopped \\
+                          --restart unless-stopped \\
-                                  app-backend:latest
+                          app-backend:latest
-                                
+                        
-                                echo '8. Запуск мониторинга...'
+                        echo '8. Запуск мониторинга...'
-                                docker-compose up -d grafana prometheus loki tempo alloy
+                        docker-compose up -d grafana prometheus loki tempo alloy
-                                
+                        
-                                echo '9. Проверка...'
+                        echo '9. Проверка...'
-                                sleep 5
+                        sleep 5
-                                
+                        
-                                echo 'Статус контейнеров:'
+                        echo 'Статус контейнеров:'
-                                docker ps --format 'table {{.Names}}\\t{{.Image}}\\t{{.Status}}'
+                        docker ps --format 'table {{.Names}}\\t{{.Image}}\\t{{.Status}}'
-                                
+                        
-                                echo '10. Проверка health...'
+                        echo '10. Проверка health...'
-                                if curl -s -f http://localhost:80/health > /dev/null 2>&1; then
+                        if curl -s -f http://localhost:80/health > /dev/null 2>&1; then
-                                    echo 'Приложение работает'
+                            echo 'Приложение работает'
-                                    echo 'URL: http://${params.SERVER}:80'
+                            echo 'URL: http://${params.SERVER}:80'
-                                else
+                        else
-                                    echo 'Проверка health не удалась'
+                            echo 'Проверка health не удалась'
-                                    docker logs app-backend --tail=20
+                            docker logs app-backend --tail=20
-                                fi
+                        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 +1,28 @@
+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")
+
+    testImplementation(kotlin("test"))
+}
+
+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/configuration/HandlerConfig.java

@@ -17,7 +17,8 @@ public class HandlerConfig {
             FileUploadHandler upload,
             FileEntityHandler file,
             LogoutRequestHandler logoutHandler,
-            ImageFoundRequestHandler imageFoundRequestHandler
+            ImageFoundRequestHandler imageFoundRequestHandler,
+            AuthRequestHandler authRequestHandler
     ) {
         Map<Integer, RequestHandler> map = new HashMap<>();
         map.put(20001, login);
@@ -26,6 +27,7 @@ public class HandlerConfig {
         map.put(20005, file);
         map.put(20006, logoutHandler);
         map.put(20007, imageFoundRequestHandler);
+        map.put(20008, authRequestHandler);
 
         return map;
     }

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

@@ -4,6 +4,9 @@ import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 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;
@@ -16,13 +19,18 @@ 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.entity.AuthToken;
+import ru.soune.nocopy.entity.file.FileEntity;
+import ru.soune.nocopy.dto.file.ChunkUploadResponse;
+import ru.soune.nocopy.dto.file.CompleteUploadResponse;
+import ru.soune.nocopy.dto.file.FileEntityResponse;
+import ru.soune.nocopy.dto.file.UploadProgress;
 import ru.soune.nocopy.entity.file.FileStatus;
 import ru.soune.nocopy.entity.file.UploadStatus;
 import ru.soune.nocopy.exception.*;
 import ru.soune.nocopy.handler.*;
-import ru.soune.nocopy.repository.AuthTokenRepository;
+import ru.soune.nocopy.repository.FileEntityRepository;
 import ru.soune.nocopy.service.FileSimilarityService;
+import ru.soune.nocopy.service.auth.AuthService;
 import ru.soune.nocopy.service.file.FileEntityService;
 import ru.soune.nocopy.service.file.FileUploadService;
 
@@ -33,6 +41,7 @@ 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
@@ -46,10 +55,12 @@ public class ApiController {
 
     private final FileEntityService fileEntityService;
 
-    private final AuthTokenRepository authTokenRepository;
+    private final AuthService authService;
 
     private final FileSimilarityService fileSimilarityService;
 
+    private final FileEntityRepository fileEntityRepository;
+
     @PostMapping("/v{version}/data")
     public ResponseEntity<?> handlePostRequest(@RequestBody BaseRequest request,
                                                @PathVariable("version") int version) {
@@ -71,6 +82,9 @@ public class ApiController {
             return ResponseEntity.ok().body(response);
         } catch (ValidationException e) {
             return createValidationErrorResponse(e.getBindingResult(), e.getMsgId());
+        } 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) {
@@ -93,67 +107,61 @@ public class ApiController {
             @RequestParam(value = "chunk", required = false) MultipartFile chunk) {
         try {
             if (chunk == null || chunk.isEmpty()) {
-                return ResponseEntity.ok().body(new BaseResponse(20004, MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                return buildErrorResponse(uploadId, chunkNumber, "Chunk file null or empty");
-                        "Chunk file null or empty", ChunkUploadResponse.builder()
-                        .uploadId(uploadId)
-                        .chunkNumber(chunkNumber)
-                        .build()));
             }
-
             if (uploadId == null || uploadId.isBlank()) {
-                return ResponseEntity.ok().body(new BaseResponse(20004, MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                return buildErrorResponse(uploadId, chunkNumber, "Upload ID is required");
-                        "Upload ID is required", ChunkUploadResponse.builder()
-                        .uploadId(uploadId)
-                        .chunkNumber(chunkNumber)
-                        .build()));
             }
-
             if (chunkNumber == null || chunkNumber < 0) {
-                return ResponseEntity.ok().body(new BaseResponse(20004, MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                return buildErrorResponse(uploadId, chunkNumber, "Valid chunk number is required");
-                        "Valid chunk number is required", ChunkUploadResponse.builder()
-                        .uploadId(uploadId)
-                        .chunkNumber(chunkNumber)
-                        .build()));
             }
 
             fileUploadService.uploadChunk(uploadId, chunkNumber, chunk);
 
-            ChunkUploadResponse responseBody = ChunkUploadResponse.builder()
+            return buildSuccessResponse(uploadId, chunkNumber, chunk);
-                    .uploadId(uploadId)
-                    .chunkNumber(chunkNumber)
-                    .chunkSize(chunk.getSize())
-                    .message("Chunk uploaded successfully")
-                    .build();
-
-            return ResponseEntity.ok().body(new BaseResponse(20004, MessageCode.SUCCESS.getCode(),
-                    "Chunk uploaded successfully", responseBody));
         } catch (DuplicateImageException e) {
-            log.error("Error uploading chunk", e);
+            return ResponseEntity.ok().body(new BaseResponse(20004, MessageCode.DUPLICATE_FILE_UPLOAD.getCode(),
-            ChunkUploadResponse responseBody = ChunkUploadResponse.builder()
+                    MessageCode.DUPLICATE_FILE_UPLOAD.getDescription(),
-                    .uploadId(uploadId)
+                    Map.of("duplicateOwnerId", e.userId(), "duplicateFileId", e.duplicateFileId())));
-                    .chunkNumber(chunkNumber)
-                    .build();
-
-            return ResponseEntity.ok().body(new BaseResponse(
-                    20004, MessageCode.DUPLICATE_FILE_UPLOAD.getCode(),
-                    "Failed to upload chunk: " + e.getMessage(), responseBody));
         } catch (Exception e) {
             log.error("Error uploading chunk", e);
-
+            return buildErrorResponse(uploadId, chunkNumber, "Failed to upload chunk: " + e.getMessage());
-            ChunkUploadResponse responseBody = ChunkUploadResponse.builder()
-                    .uploadId(uploadId)
-                    .chunkNumber(chunkNumber)
-                    .build();
-
-            return ResponseEntity.ok().body(new BaseResponse(
-                    20004, MessageCode.FILE_UPLOAD_ERROR.getCode(),
-                    "Failed to upload chunk: " + e.getMessage(), responseBody));
         }
     }
 
-    @GetMapping("/files/{fileId}/similar")
+    @GetMapping("/v{version}/files/{fileId}/similar")
-    public List<SimilarFileResponse> getSimilarFiles(@PathVariable String fileId) {
+    public ResponseEntity<BaseResponse> findSimilarFiles(
-        return fileSimilarityService.findSimilarFiles(fileId);
+            @PathVariable("version") int version,
+            @PathVariable String fileId,
+            @RequestParam(required = false) List<String> similarityLevels,
+            @PageableDefault(size = 20, sort = "hammingDistance") Pageable pageable) {
+        SimilarityFilter filter = SimilarityFilter.builder()
+                .similarityLevels(similarityLevels)
+                .build();
+        Page<SimilarFileResponse> similarFiles = fileSimilarityService.findSimilarFiles(fileId, filter, pageable);
+
+        String messageDesc;
+        MessageCode success;
+
+        if (similarFiles.isEmpty()) {
+            messageDesc = MessageCode.FILE_NOT_FOUND.getDescription();
+            success = MessageCode.FILE_NOT_FOUND;
+        } else {
+            messageDesc = MessageCode.SIMILAR_FILES_FOUND.getDescription();
+            success = MessageCode.SIMILAR_FILES_FOUND;
+        }
+
+        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}")
@@ -179,7 +187,6 @@ public class ApiController {
 
             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);
 
@@ -187,8 +194,7 @@ public class ApiController {
                     .uploadId(uploadId)
                     .build();
 
-            return ResponseEntity.ok().body(new BaseResponse(
+            return ResponseEntity.ok().body(new BaseResponse(20004, MessageCode.FILE_UPLOAD_ERROR.getCode(),
-                    20004, MessageCode.FILE_UPLOAD_ERROR.getCode(),
                     "Failed to get upload progress: " + e.getMessage(), responseBody));
         }
     }
@@ -272,7 +278,7 @@ public class ApiController {
                         errorData));
             }
 
-            Long userId = getUserIdFromToken(tokenHeader);
+            Long userId = authService.useUserAuthToken(tokenHeader);
             FileEntityResponse entityResponse = fileEntityService.getById(fileId, version);
 
             if (!entityResponse.getUserId().equals(userId)) {
@@ -347,6 +353,78 @@ public class ApiController {
         }
     }
 
+    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<SimilarFileResponse> similarFiles = fileSimilarityService.findSimilarFiles(fileEntity.getId());
+
+        if (hasDuplicate(similarFiles)) {
+            return handleDuplicate(fileEntity, similarFiles);
+        }
+
+        return null;
+    }
+
+    private boolean hasDuplicate(List<SimilarFileResponse> similarFiles) {
+        return similarFiles.stream().anyMatch(f -> f.getHammingDistance() <= 5);
+    }
+
+    private ResponseEntity<BaseResponse> handleDuplicate(FileEntity fileEntity, List<SimilarFileResponse> similarFiles)
+            throws IOException {
+        fileEntityService.deleteFromDisk(fileEntity);
+
+        fileEntityService.markAsDeleted(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) {
+        ChunkUploadResponse responseBody = ChunkUploadResponse.builder()
+                .uploadId(uploadId)
+                .chunkNumber(chunkNumber)
+                .chunkSize(chunk.getSize())
+                .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()
@@ -383,10 +461,15 @@ public class ApiController {
         return contentType;
     }
 
-    private Long getUserIdFromToken(String tokenHeader) {
+    private boolean isPreviewSupported(String mimeType) {
-        String token = tokenHeader.replace("Bearer ", "");
+        if (mimeType == null) {
-        AuthToken authToken = authTokenRepository.findByToken(token)
+            return false;
-                .orElseThrow(() -> new NotFoundAuthToken("Token not found"));
+        }
-        return authToken.getUser().getId();
+
+        return mimeType.startsWith("image") ||
+                mimeType.startsWith("text") ||
+                mimeType.equals("pdf") ||
+                mimeType.startsWith("video") ||
+                mimeType.startsWith("audio");
     }
 }

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/LoginRequest.java

@@ -1,5 +1,6 @@
 package ru.soune.nocopy.dto;
 
+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/MessageCode.java

@@ -20,8 +20,10 @@ public enum MessageCode {
     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_TOKEN_NOT_FOUND(4, "Token not found"),
     FILE_NOT_FOUND(4, "File not found"),
-    AUTH_PASSWORD_NOT_MATCHES(2, "Password does not match");
+    AUTH_PASSWORD_NOT_MATCHES(2, "Password does not match"),
+    SIMILAR_FILES_FOUND(0, "Similar files found");
 
     private final Integer code;
 

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

@@ -1,10 +1,12 @@
 package ru.soune.nocopy.dto;
 
+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/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/UserRequest.java

@@ -10,6 +10,7 @@ import ru.soune.nocopy.entity.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/dto/file/FileApiResponse.java

@@ -1,41 +0,0 @@
-package ru.soune.nocopy.dto.file;
-
-import lombok.AllArgsConstructor;
-import lombok.Builder;
-import lombok.Data;
-import lombok.NoArgsConstructor;
-
-@Data
-@Builder
-@NoArgsConstructor
-@AllArgsConstructor
-public class FileApiResponse<T> {
-
-    private boolean success;
-    private String message;
-    private T data;
-    private String error;
-
-    public static <T> FileApiResponse<T> success(T data) {
-        return FileApiResponse.<T>builder()
-                .success(true)
-                .message("Operation completed successfully")
-                .data(data)
-                .build();
-    }
-
-    public static <T> FileApiResponse<T> success(String message, T data) {
-        return FileApiResponse.<T>builder()
-                .success(true)
-                .message(message)
-                .data(data)
-                .build();
-    }
-
-    public static <T> FileApiResponse<T> error(String error) {
-        return FileApiResponse.<T>builder()
-                .success(false)
-                .error(error)
-                .build();
-    }
-}

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

@@ -30,4 +30,5 @@ public class FileEntityResponse {
     private String formattedSize;
     private String downloadUrl;
     private boolean existsOnDisk;
+    private Integer supportId;
 }

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/entity/AuthToken.java

@@ -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/file/FileEntity.java

@@ -1,11 +1,15 @@
 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
@@ -16,11 +20,13 @@ import java.time.LocalDateTime;
 @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;
 
@@ -60,6 +66,10 @@ public class FileEntity {
     @Column(name = "updated_at")
     private LocalDateTime updatedAt;
 
+    @OneToOne(mappedBy = "file", cascade = CascadeType.ALL, orphanRemoval = true)
+    @JsonIgnore
+    private ImageHashEntity imageHash;
+
     @PrePersist
     public void prePersist() {
         if (this.status == null) {
@@ -70,9 +80,4 @@ public class FileEntity {
         }
         this.updatedAt = LocalDateTime.now();
     }
-
-    @PreUpdate
-    public void preUpdate() {
-        this.updatedAt = LocalDateTime.now();
-    }
 }

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

@@ -1,7 +1,20 @@
 package ru.soune.nocopy.exception;
 
 public class DuplicateImageException extends RuntimeException {
-    public DuplicateImageException(String message) {
+    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/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.auth.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

@@ -6,13 +6,12 @@ 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.AuthToken;
 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.AuthTokenRepository;
 import ru.soune.nocopy.repository.FileEntityRepository;
+import ru.soune.nocopy.service.auth.AuthService;
 import ru.soune.nocopy.service.file.FileEntityService;
 import ru.soune.nocopy.service.file.FileStatsService;
 
@@ -26,9 +25,9 @@ public class FileEntityHandler implements RequestHandler {
 
     private final FileEntityService fileEntityService;
 
-    private final FileStatsService fileStatsService;
+    private final AuthService authService;
 
-    private final AuthTokenRepository authTokenRepository;
+    private final FileStatsService fileStatsService;
 
     private final ObjectMapper objectMapper;
 
@@ -81,7 +80,7 @@ public class FileEntityHandler implements RequestHandler {
     }
 
     private BaseResponse handleGetFilesUserInfo(BaseRequest request, FileEntityRequest fileRequest) {
-        Long userId = getUserIdFromToken(fileRequest.getToken());
+        Long userId = authService.useUserAuthToken(fileRequest.getToken());
         FileInfoUserResponse userFileStats = fileStatsService.getUserFileStats(userId);
 
         return new BaseResponse(request.getMsgId(),
@@ -92,7 +91,7 @@ public class FileEntityHandler implements RequestHandler {
 
     private BaseResponse handleGetFileInfo(BaseRequest request, FileEntityRequest fileRequest) {
         try {
-            Long userId = getUserIdFromToken(fileRequest.getToken());
+            Long userId =  authService.useUserAuthToken(fileRequest.getToken());
             FileEntityResponse fileInfo = fileEntityService.getById(fileRequest.getFileId(), request.getVersion());
 
             if (!fileInfo.getUserId().equals(userId)) {
@@ -123,7 +122,7 @@ public class FileEntityHandler implements RequestHandler {
 
     private BaseResponse handleGetFileBySession(BaseRequest request, FileEntityRequest fileRequest) {
         try {
-            Long userId = getUserIdFromToken(fileRequest.getToken());
+            Long userId = authService.useUserAuthToken(fileRequest.getToken());
             FileEntityResponse fileInfo = fileEntityService.getByUploadSessionId(fileRequest.getUploadSessionId(),
                     request.getVersion());
 
@@ -155,7 +154,7 @@ public class FileEntityHandler implements RequestHandler {
 
     private BaseResponse handleGetUserFiles(BaseRequest request, FileEntityRequest fileRequest) {
         try {
-            Long userId = getUserIdFromToken(fileRequest.getToken());
+            Long userId = authService.useUserAuthToken(fileRequest.getToken());
             int page = fileRequest.getPage() != null ? fileRequest.getPage() : 1;
             int pageSize = fileRequest.getPageSize() != null ? fileRequest.getPageSize() : 20;
 
@@ -182,7 +181,7 @@ public class FileEntityHandler implements RequestHandler {
 
     private BaseResponse handleSearchFiles(BaseRequest request, FileEntityRequest fileRequest) {
         try {
-            Long userId = getUserIdFromToken(fileRequest.getToken());
+            Long userId = authService.useUserAuthToken(fileRequest.getToken());
             int page = fileRequest.getPage() != null ? fileRequest.getPage() : 1;
             int pageSize = fileRequest.getPageSize() != null ? fileRequest.getPageSize() : 20;
 
@@ -229,7 +228,7 @@ public class FileEntityHandler implements RequestHandler {
 
     private BaseResponse handleGetStorageUsage(BaseRequest request, FileEntityRequest fileRequest) {
         try {
-            Long userId = getUserIdFromToken(fileRequest.getToken());
+            Long userId = authService.useUserAuthToken(fileRequest.getToken());
             long usage = fileEntityService.getUserStorageUsed(userId);
 
             StorageUsageResponse response = StorageUsageResponse.builder()
@@ -259,7 +258,7 @@ public class FileEntityHandler implements RequestHandler {
 
     private BaseResponse handleDeleteFile(BaseRequest request, FileEntityRequest fileRequest) {
         try {
-            Long userId = getUserIdFromToken(fileRequest.getToken());
+            Long userId = authService.useUserAuthToken(fileRequest.getToken());
             String fileId = fileRequest.getFileId();
             FileEntityResponse fileInfo = fileEntityService.getById(fileId, request.getVersion());
             DeleteFileResponse response;
@@ -306,20 +305,6 @@ public class FileEntityHandler implements RequestHandler {
         }
     }
 
-    private Long getUserIdFromToken(String token) {
-        if (token == null || token.isBlank()) {
-            throw new NotFoundAuthToken("Token is required");
-        }
-
-        if (token.startsWith("Bearer ")) {
-            token = token.replace("Bearer ", "");
-        }
-
-        AuthToken authToken = authTokenRepository.findByToken(token)
-                .orElseThrow(() -> new NotFoundAuthToken("Token not found"));
-        return authToken.getUser().getId();
-    }
-
     private String formatFileSize(long size) {
         if (size < 1024) return size + " B";
         int exp = (int) (Math.log(size) / Math.log(1024));

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

@@ -17,6 +17,7 @@ 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.auth.AuthService;
 import ru.soune.nocopy.service.file.FileUploadService;
 
 import java.util.*;
@@ -28,6 +29,8 @@ import java.util.stream.Collectors;
 public class FileUploadHandler implements RequestHandler {
     private final FileUploadService fileUploadService;
 
+    private final AuthService authService;
+
     private final AuthTokenRepository authTokenRepository;
 
     private final FileUploadSessionRepository fileUploadSessionRepository;
@@ -86,10 +89,9 @@ public class FileUploadHandler implements RequestHandler {
                         MessageCode.INVALID_TOKEN.getDescription(), Map.of("token", token));
             }
 
-            AuthToken authToken = tokenOptional.orElseThrow(() -> new NotFoundAuthToken("Token not found"));
+            Long userId = authService.useUserAuthToken(token);
-
             BindingResult bindingResult = new BeanPropertyBindingResult(fileRequest, "fileRequest");
-            fileUploadRequestValidator.validate(fileRequest, bindingResult);
+                    fileUploadRequestValidator.validate(fileRequest, bindingResult);
 
             if (bindingResult.hasErrors()) {
                 Map<String, String> fieldErrors = bindingResult.getFieldErrors()
@@ -105,7 +107,7 @@ public class FileUploadHandler implements RequestHandler {
             }
 
             FileUploadSession session = fileUploadService.initUpload(
-                    authToken.getUser().getId(),
+                    userId,
                     fileRequest.getFileName(),
                     fileRequest.getFileType(),
                     fileRequest.getExtension(),
@@ -175,34 +177,6 @@ public class FileUploadHandler implements RequestHandler {
         }
     }
 
-    private BaseResponse handleRetryUpload(BaseRequest request, FileUploadRequest fileRequest) {
-        try {
-            fileUploadService.retryFailedUpload(fileRequest.getUploadId());
-            ru.soune.nocopy.dto.file.UploadProgressResponse progress =
-                    fileUploadService.getUploadProgress(fileRequest.getUploadId());
-
-            RetryUploadResponse response = RetryUploadResponse.builder()
-                    .uploadId(progress.getUploadId())
-                    .message("Upload retry initiated")
-                    .status(progress.getStatus().toString())
-                    .build();
-
-            return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(), "Upload retry initiated",
-                    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 retrying upload", e);
-            return new BaseResponse(request.getMsgId(), MessageCode.FILE_UPLOAD_ERROR.getCode(),
-                    "Failed to retry upload", null);
-        }
-    }
-
     private BaseResponse handleGetChunkStatus(BaseRequest request, FileUploadRequest fileRequest) {
         try {
             FileUploadSession session = fileUploadSessionRepository.findById(fileRequest.getUploadId())

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/LoginRequestHandler.java

@@ -7,7 +7,7 @@ import ru.soune.nocopy.dto.*;
 import ru.soune.nocopy.entity.AuthToken;
 import ru.soune.nocopy.exception.NotValidFieldException;
 import ru.soune.nocopy.repository.UserRepository;
-import ru.soune.nocopy.service.AuthService;
+import ru.soune.nocopy.service.auth.AuthService;
 
 import java.util.Arrays;
 import java.util.Map;
@@ -17,7 +17,9 @@ import java.util.Map;
 public class LoginRequestHandler implements RequestHandler {
 
     private final UserRepository userRepository;
+
     private final AuthService authService;
+
     private final ObjectMapper objectMapper;
 
     @Override
@@ -34,9 +36,12 @@ public class LoginRequestHandler implements RequestHandler {
         }
 
         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

@@ -9,7 +9,7 @@ import ru.soune.nocopy.entity.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.auth.AuthService;
 
 import java.util.Objects;
 import java.util.Optional;

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

@@ -12,7 +12,7 @@ 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.auth.AuthService;
 
 import java.util.Arrays;
 import java.util.Map;
@@ -52,9 +52,11 @@ public class RegRequestHandler implements RequestHandler {
         }
 
         AuthToken authToken = authService.register(regRequest);
+        String token = authToken.getToken();
+        authService.useUserAuthToken(token);
 
         RegAnswer regAnswer = new RegAnswer();
-        regAnswer.setToken(authToken.getToken());
+        regAnswer.setToken(token);
 
         return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),
                 MessageCode.SUCCESS.getDescription(), regAnswer);

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

@@ -13,7 +13,7 @@ import java.util.*;
 
 @Component
 public class RegRequestValidator implements Validator {
-    private static final String COMPANY_REGEX = "^[a-zA-Zа-яА-ЯёЁ0-9\\s\\-&.,'()]{0,200}$";
+    private static final String COMPANY_REGEX = "^[a-zA-Zа-яА-ЯёЁ0-9\\s\\-&.,'()\"\"«»„‟”“”‘'’‹›❛❜❝❞〝〞〟]{1,200}$";
 
     private static final String NAME_REGEX = "^[a-zA-Zа-яА-ЯёЁ\\s\\-'.]{2,100}$";
 
@@ -74,21 +74,6 @@ public class RegRequestValidator implements Validator {
             errors.rejectValue("companyName", "companyName.invalid.chars",
                     "Company name contains invalid characters");
         }
-
-        validateForbiddenWords(trimmedCompany, "companyName", errors,
-                Arrays.asList("admin", "root", "system", "test"));
-    }
-
-    private void validateForbiddenWords(String text, String fieldName,
-                                        Errors errors, List<String> forbiddenWords) {
-        String lowerText = text.toLowerCase();
-        for (String word : forbiddenWords) {
-            if (lowerText.contains(word)) {
-                errors.rejectValue(fieldName, fieldName + ".forbidden.word",
-                        "Contains forbidden word: " + word);
-                break;
-            }
-        }
     }
 
     private void validateEmail(String email, Errors errors) {

src/main/java/ru/soune/nocopy/repository/AuthTokenRepository.java

@@ -4,11 +4,13 @@ import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 import ru.soune.nocopy.entity.AuthToken;
 
-import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.util.List;
 import java.util.Optional;
 
 @Repository
 public interface AuthTokenRepository extends JpaRepository<AuthToken, Long> {
-    Optional<AuthToken> findByTokenAndExpiresAtAfter(String token, LocalDate expiresAtAfter);
+    List<AuthToken> findByExpiresAtBefore(LocalDateTime expiresAtBefore);
+    Optional<AuthToken> findByLastUsedAtBefore(LocalDateTime lastUsedAt);
     Optional<AuthToken> findByToken(String token);
 }

src/main/java/ru/soune/nocopy/repository/FileEntityRepository.java

@@ -30,5 +30,8 @@ public interface FileEntityRepository extends JpaRepository<FileEntity, String>
     @Query("SELECT f FROM FileEntity f WHERE f.userId = :userId AND f.originalFileName LIKE %:keyword%")
     List<FileEntity> searchByFileName(@Param("userId") Long userId, @Param("keyword") String keyword);
 
+    @Query("SELECT f FROM FileEntity f WHERE f.status = :status")
+    List<FileEntity> searchFileEntityByStatus(@Param("status") FileStatus status);
+
     long countByUserId(Long userId);
 }

src/main/java/ru/soune/nocopy/repository/ImageHashRepository.java

@@ -6,4 +6,5 @@ import ru.soune.nocopy.entity.file.ImageHashEntity;
 
 @Repository
 public interface ImageHashRepository extends JpaRepository<ImageHashEntity, String> {
+    void deleteByFileId(String fileId);
 }

src/main/java/ru/soune/nocopy/repository/ImageSimilarityRepository.java

@@ -13,7 +13,8 @@ public interface ImageSimilarityRepository
         extends JpaRepository<FileEntity, String> {
 
     @Query(value = """
-        SELECT
+
+            SELECT
             f.id AS similarFileId,
             f.original_file_name AS originalFileName,
             f.file_size AS fileSize,
@@ -30,6 +31,24 @@ public interface ImageSimilarityRepository
     List<SimilarImageProjection> findCandidates(
             @Param("fileId") String fileId
     );
+
+    @Query(value = """
+    SELECT
+        h.hash64_hi AS hash64Hi,
+        h.hash64_lo AS hash64Lo,
+        h.file_id AS fileId,
+        f.user_id AS userId,
+        f.original_file_name AS originalFileName,
+        f.file_size AS fileSize,
+        f.stored_file_name AS similarFileId
+    FROM image_hashes h
+    JOIN file_entities f ON f.id = h.file_id
+    WHERE h.hash64_hi = :hash64Hi 
+      AND h.hash64_lo = :hash64Lo
+    """,
+            nativeQuery = true)
+    List<SimilarImageProjection> findExactDuplicates(
+            @Param("hash64Hi") Integer hash64_hi,
+            @Param("hash64Lo") Integer hash64_lo);
 }
 
-

src/main/java/ru/soune/nocopy/repository/SimilarImageProjection.java

@@ -1,14 +1,10 @@
 package ru.soune.nocopy.repository;
 
 public interface SimilarImageProjection {
-
-    String getSimilarFileId();
-
-    String getOriginalFileName();
-
-    Long getFileSize();
-
     Integer getHash64Hi();
-
     Integer getHash64Lo();
+    String getId();
+    Long getUserId();
+    String getOriginalFileName();
+    Long getFileSize();
 }

src/main/java/ru/soune/nocopy/service/FileSimilarityService.java

@@ -1,19 +1,26 @@
 package ru.soune.nocopy.service;
 
 import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageImpl;
+import org.springframework.data.domain.Pageable;
 import org.springframework.stereotype.Service;
 import ru.soune.nocopy.dto.file.SimilarFileResponse;
+import ru.soune.nocopy.dto.file.SimilarityFilter;
 import ru.soune.nocopy.repository.ImageHashRepository;
 import ru.soune.nocopy.repository.ImageSimilarityRepository;
 import ru.soune.nocopy.repository.SimilarImageProjection;
 
+import java.util.ArrayList;
+import java.util.Comparator;
 import java.util.List;
+import java.util.stream.Collectors;
 
 @Service
 @RequiredArgsConstructor
 public class FileSimilarityService {
-
     private final ImageSimilarityRepository repository;
+
     private final ImageHashRepository hashRepository;
 
     public List<SimilarFileResponse> findSimilarFiles(String fileId) {
@@ -43,7 +50,7 @@ public class FileSimilarityService {
                     }
 
                     return SimilarFileResponse.builder()
-                            .fileId(c.getSimilarFileId())
+                            .fileId(c.getId())
                             .originalFileName(c.getOriginalFileName())
                             .fileSize(c.getFileSize())
                             .hammingDistance(hamming)
@@ -55,6 +62,72 @@ public class FileSimilarityService {
                 .toList();
     }
 
+    public List<SimilarImageProjection> findDuplicatedByHash(Integer hash64Hi, Integer hash64Lo) {
+        List<SimilarImageProjection> duplicates = repository.findExactDuplicates(hash64Hi,hash64Lo);
+
+        if (duplicates.isEmpty()) {
+            return new ArrayList<>();
+        }
+
+        return duplicates;
+    }
+
+    public Page<SimilarFileResponse> findSimilarFiles(String fileId, SimilarityFilter filter, Pageable pageable) {
+        var imageHashEntity = hashRepository.findById(fileId)
+                .orElseThrow(() -> new RuntimeException("Hash not found"));
+
+        Integer hash64Hi = imageHashEntity.getHash64Hi();
+        Integer hash64Lo = imageHashEntity.getHash64Lo();
+
+        List<SimilarImageProjection> candidates = repository.findCandidates(fileId);
+
+        List<String> similarityLevels = (filter != null && filter.getSimilarityLevels() != null)
+                ? filter.getSimilarityLevels()
+                : List.of("DUPLICATE", "SIMILAR", "DIFFERENT");
+
+        List<SimilarFileResponse> allResults = candidates.stream()
+                .map(c -> createSimilarFileResponse(c, hash64Hi, hash64Lo))
+                .filter(response -> similarityLevels.contains(response.getSimilarityLevel()))
+                .sorted(Comparator.comparingInt(SimilarFileResponse::getHammingDistance))
+                .collect(Collectors.toList());
+
+        int total = allResults.size();
+        int page = (pageable != null) ? pageable.getPageNumber() : 0;
+        int size = (pageable != null) ? pageable.getPageSize() : 20;
+
+        int fromIndex = Math.min(page * size, total);
+        int toIndex = Math.min(fromIndex + size, total);
+
+        List<SimilarFileResponse> pageContent = allResults.subList(fromIndex, toIndex);
+
+        return new PageImpl<>(pageContent, pageable, total);
+    }
+
+    private SimilarFileResponse createSimilarFileResponse(SimilarImageProjection similarImageProjection,
+                                                          Integer hash64Hi, Integer hash64Lo) {
+        Integer imageProjectionHash64Hi = similarImageProjection.getHash64Hi();
+        Integer similarImageProjectionHash64Lo = similarImageProjection.getHash64Lo();
+
+        int hamming = hamming64(hash64Hi, hash64Lo, imageProjectionHash64Hi, similarImageProjectionHash64Lo);
+
+        String level;
+        if (hamming <= 5) {
+            level = "DUPLICATE";
+        } else if (hamming <= 12) {
+            level = "SIMILAR";
+        } else {
+            level = "DIFFERENT";
+        }
+
+        return SimilarFileResponse.builder()
+                .fileId(similarImageProjection.getId())
+                .originalFileName(similarImageProjection.getOriginalFileName())
+                .fileSize(similarImageProjection.getFileSize())
+                .hammingDistance(hamming)
+                .similarityLevel(level)
+                .build();
+    }
+
     private int hamming64(int aHi, int aLo, int bHi, int bLo) {
         return Integer.bitCount(aHi ^ bHi)
                 + Integer.bitCount(aLo ^ bLo);

src/main/java/ru/soune/nocopy/service/ImageHashService.java

@@ -16,6 +16,7 @@ import java.nio.file.Files;
 import java.nio.file.Path;
 import java.time.LocalDateTime;
 import java.util.Arrays;
+import java.util.Map;
 
 @Service
 @RequiredArgsConstructor
@@ -24,25 +25,24 @@ public class ImageHashService {
 
     private final ImageHashRepository repository;
 
-    public void create(FileEntity file, Path imagePath) {
+    public Map<String, Integer> calculateHash(Path imagePath) throws IOException {
-        try {
+        long hash64 = computePhash64(imagePath);
-            long hash64 = computePhash64(imagePath);
 
-            int hi = high32(hash64);
+        return Map.of(
-            int lo = low32(hash64);
+                "hi", high32(hash64),
+                "low", low32(hash64));
+    }
 
-            ImageHashEntity entity = ImageHashEntity.builder()
+    public void create(FileEntity file,  Map<String, Integer> stringIntegerMap) {
-                    .file(file)
+        ImageHashEntity entity = ImageHashEntity.builder()
-                    .hash64Hi(hi)
+                .file(file)
-                    .hash64Lo(lo)
+                .hash64Hi(stringIntegerMap.get("hi"))
-                    .hashAlgorithm("PHASH64")
+                .hash64Lo(stringIntegerMap.get("low"))
-                    .createdAt(LocalDateTime.now())
+                .hashAlgorithm("PHASH64")
-                    .build();
+                .createdAt(LocalDateTime.now())
+                .build();
 
-            repository.save(entity);
+        repository.save(entity);
-        } catch (IOException e) {
-            throw new RuntimeException("Failed to compute image hash", e);
-        }
     }
 
     private long computePhash64(Path path) throws IOException {

src/main/java/ru/soune/nocopy/service/auth/AuthService.java

@@ -1,13 +1,13 @@
-package ru.soune.nocopy.service;
+package ru.soune.nocopy.service.auth;
 
 import lombok.RequiredArgsConstructor;
-import org.springframework.context.MessageSource;
 import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import ru.soune.nocopy.dto.*;
 import ru.soune.nocopy.entity.AuthToken;
 import ru.soune.nocopy.entity.User;
+import ru.soune.nocopy.exception.NotFoundAuthToken;
 import ru.soune.nocopy.exception.NotValidFieldException;
 import ru.soune.nocopy.repository.AuthTokenRepository;
 import ru.soune.nocopy.repository.UserRepository;
@@ -29,8 +29,6 @@ public class AuthService {
 
     private final PasswordEncoder passwordEncoder;
 
-    private final MessageSource messageSource;
-
     private final SecureRandom secureRandom = new SecureRandom();
 
     @Transactional
@@ -81,6 +79,26 @@ public class AuthService {
         return authTokenRepository.save(authToken);
     }
 
+    @Transactional
+    public Long useUserAuthToken(String token) {
+        if (token == null || token.isBlank()) {
+            throw new NotFoundAuthToken("Token is required");
+        }
+
+        if (token.startsWith("Bearer ")) {
+            token = token.replace("Bearer ", "");
+        }
+
+        AuthToken authToken = authTokenRepository.findByToken(token)
+                .orElseThrow(() -> new NotFoundAuthToken("Token not found"));
+        authToken.setLastUsedAt(LocalDateTime.now());
+        authToken.setExpiresAt(LocalDateTime.now().plusHours(1));
+
+        authTokenRepository.save(authToken);
+
+        return authToken.getUser().getId();
+    }
+
     @Transactional
     public void logout(String token) {
         authTokenRepository.findByToken(token)

src/main/java/ru/soune/nocopy/service/auth/CleanupTokenSessionsService.java

@@ -0,0 +1,37 @@
+package ru.soune.nocopy.service.auth;
+
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Component;
+import org.springframework.transaction.annotation.Transactional;
+import ru.soune.nocopy.entity.AuthToken;
+import ru.soune.nocopy.repository.AuthTokenRepository;
+
+import java.time.LocalDateTime;
+import java.util.List;
+
+@Slf4j
+@Component
+@RequiredArgsConstructor
+public class CleanupTokenSessionsService {
+    @Autowired
+    private AuthTokenRepository authTokenRepository;
+
+    @Value("${file.storage.auth-token-life-hours}")
+    private int authTokenLife;
+
+    @Transactional
+    @Scheduled(fixedDelay = 30000)
+    public void cleanupExpiredTokens() {
+        LocalDateTime now = LocalDateTime.now();
+
+        List<AuthToken> expiredTokens = authTokenRepository.findByExpiresAtBefore(now);
+
+        if (!expiredTokens.isEmpty()) {
+            authTokenRepository.deleteAll(expiredTokens);
+        }
+    }
+}

src/main/java/ru/soune/nocopy/service/file/FileEntityService.java

@@ -12,6 +12,7 @@ import ru.soune.nocopy.entity.file.FileUploadSession;
 import ru.soune.nocopy.exception.DuplicateImageException;
 import ru.soune.nocopy.exception.FileEntityNotFoundException;
 import ru.soune.nocopy.repository.FileEntityRepository;
+import ru.soune.nocopy.repository.SimilarImageProjection;
 import ru.soune.nocopy.service.FileSimilarityService;
 import ru.soune.nocopy.service.ImageHashService;
 
@@ -21,6 +22,7 @@ import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.time.LocalDateTime;
 import java.util.List;
+import java.util.Map;
 import java.util.stream.Collectors;
 
 @Slf4j
@@ -34,7 +36,7 @@ public class FileEntityService {
 
     private final FileSimilarityService fileSimilarityService;
 
-    @Transactional
+    @Transactional(noRollbackFor = DuplicateImageException.class)
     public FileEntity createFromUploadSession(FileUploadSession session, String checksum) {
         log.info("Creating FileEntity for upload session: {}", session.getUploadId());
 
@@ -45,6 +47,21 @@ public class FileEntityService {
                 throw new IOException("File not found on disk: " + filePath);
             }
 
+            Map<String, Integer> imageHash = Map.of();
+
+            if (session.getFileType().startsWith("image")) {
+                imageHash = imageHashService.calculateHash(filePath);
+                List<SimilarImageProjection> duplicatedByHash = fileSimilarityService.findDuplicatedByHash(
+                        imageHash.get("hi"), imageHash.get("low"));
+
+                if (!duplicatedByHash.isEmpty()) {
+                    SimilarImageProjection similarImageProjection = duplicatedByHash.get(0);
+
+                    throw new DuplicateImageException("Duplicate", similarImageProjection.getFileId(),
+                            similarImageProjection.getUserId());
+                }
+            }
+
             long fileSize = Files.size(filePath);
             String originalName = session.getFileName();
             String storedName = filePath.getFileName().toString();
@@ -64,24 +81,8 @@ public class FileEntityService {
 
             FileEntity saved = fileEntityRepository.save(fileEntity);
 
-            if (saved.getMimeType().startsWith("image")) {
+            if (!imageHash.isEmpty()) {
-                imageHashService.create(saved, Path.of(saved.getFilePath()));
+                imageHashService.create(saved, imageHash);
-
-                var similarFiles = fileSimilarityService.findSimilarFiles(saved.getId());
-
-                boolean hasDuplicate = similarFiles.stream()
-                        .anyMatch(f -> f.getHammingDistance() <= 5);
-
-                if (hasDuplicate) {
-                    log.warn("Duplicate image detected for upload session {}. Rolling back.",
-                            session.getUploadId());
-                    throw new DuplicateImageException("Duplicate image detected for upload session " + session.getUploadId());
-                }
-
-                similarFiles.stream()
-                        .filter(f -> f.getHammingDistance() > 5)
-                        .forEach(f -> log.info("Similar image found: {} (distance {})",
-                                f.getFileId(), f.getHammingDistance()));
             }
 
             return saved;
@@ -166,6 +167,8 @@ public class FileEntityService {
 
         Files.delete(path);
 
+        markAsDeleted(fileEntity);
+
         return true;
     }
 
@@ -204,6 +207,7 @@ public class FileEntityService {
                 .formattedSize(formatFileSize(fileEntity.getFileSize()))
                 .downloadUrl("/api/v" + version + "/files/download/" + fileEntity.getId())
                 .existsOnDisk(existsOnDisk)
+                .supportId(fileEntity.getSupportId())
                 .build();
     }
 

src/main/java/ru/soune/nocopy/service/file/FileUploadService.java

@@ -17,7 +17,5 @@ public interface FileUploadService {
 
     void handleExpiredSession(FileUploadSession session);
 
-    public void retryFailedUpload(String uploadId);
-
     public void cancelUpload(String uploadId);
 }

src/main/java/ru/soune/nocopy/service/file/FileUploadServiceImpl.java

@@ -10,12 +10,19 @@ import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.multipart.MultipartFile;
 import ru.soune.nocopy.dto.file.UploadProgressResponse;
+import ru.soune.nocopy.entity.file.FileEntity;
+import ru.soune.nocopy.entity.file.FileStatus;
 import ru.soune.nocopy.entity.file.FileUploadSession;
 import ru.soune.nocopy.entity.file.UploadStatus;
 import ru.soune.nocopy.exception.ChunkSizeExceededException;
+import ru.soune.nocopy.exception.DuplicateImageException;
 import ru.soune.nocopy.exception.FileUploadException;
 import ru.soune.nocopy.exception.UploadSessionNotFoundException;
+import ru.soune.nocopy.repository.FileEntityRepository;
 import ru.soune.nocopy.repository.FileUploadSessionRepository;
+import ru.soune.nocopy.repository.SimilarImageProjection;
+import ru.soune.nocopy.service.FileSimilarityService;
+import ru.soune.nocopy.service.ImageHashService;
 
 import java.io.*;
 import java.nio.file.*;
@@ -23,10 +30,7 @@ import java.nio.file.attribute.PosixFilePermission;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 import java.time.LocalDateTime;
-import java.util.Comparator;
+import java.util.*;
-import java.util.HashSet;
-import java.util.Set;
-import java.util.UUID;
 import java.util.concurrent.CompletableFuture;
 import java.util.stream.Stream;
 
@@ -57,6 +61,15 @@ public class FileUploadServiceImpl implements FileUploadService {
 
     private Path storageRoot;
 
+    @Autowired
+    private ImageHashService imageHashService;
+
+    @Autowired
+    private FileSimilarityService fileSimilarityService;
+
+    @Autowired
+    private FileEntityRepository fileEntityRepository;
+
     @Autowired
     private FileEntityService fileEntityService;
 
@@ -129,10 +142,6 @@ public class FileUploadServiceImpl implements FileUploadService {
     @Transactional
     public UploadProgressResponse uploadChunk(String uploadId, Integer chunkNumber,
                                               MultipartFile chunkFile) {
-
-        log.info("Processing chunk {} for session {}, size: {} bytes",
-                chunkNumber, uploadId, chunkFile.getSize());
-
         FileUploadSession session = sessionRepository.findById(uploadId)
                 .orElseThrow(() -> new UploadSessionNotFoundException(uploadId));
 
@@ -173,12 +182,13 @@ public class FileUploadServiceImpl implements FileUploadService {
 
     @Async("fileUploadTaskExecutor")
     @Transactional
-    public void assembleFileAsync(FileUploadSession session) {
+    public void assembleFileAsync(FileUploadSession session) throws DuplicateImageException {
         try {
             assembleFile(session);
             log.info("File assembly completed successfully for session: {}",
                     session.getUploadId());
-
+        } catch (DuplicateImageException e) {
+            throw new DuplicateImageException("DUBL", e.duplicateFileId(), e.userId());
         } catch (Exception e) {
             log.error("Failed to assemble file for session {}: {}",
                     session.getUploadId(), e.getMessage(), e);
@@ -205,35 +215,6 @@ public class FileUploadServiceImpl implements FileUploadService {
         log.info("Upload cancelled: {}", uploadId);
     }
 
-    @Override
-    @Transactional
-    public void retryFailedUpload(String uploadId) {
-        FileUploadSession session = sessionRepository.findById(uploadId)
-                .orElseThrow(() -> new UploadSessionNotFoundException(uploadId));
-
-        if (session.getStatus() != UploadStatus.FAILED) {
-            throw new FileUploadException("Only failed uploads can be retried");
-        }
-
-        if (session.getRetryCount() >= maxRetryAttempts) {
-            throw new FileUploadException("Max retry attempts exceeded");
-        }
-
-        session.setStatus(UploadStatus.UPLOADING);
-        session.setRetryCount(session.getRetryCount() + 1);
-        session.setLastError(null);
-
-        sessionRepository.save(session);
-
-        if (session.getChunksUploaded().equals(session.getTotalChunks())) {
-            log.info("Retrying file assembly for session: {}", uploadId);
-            assembleFileAsync(session);
-        }
-
-        log.info("Upload retry initiated for session: {} (attempt {})",
-                uploadId, session.getRetryCount());
-    }
-
     @Override
     public UploadProgressResponse getUploadProgress(String uploadId) {
         FileUploadSession session = sessionRepository.findById(uploadId)
@@ -271,9 +252,42 @@ public class FileUploadServiceImpl implements FileUploadService {
         }
     }
 
-    private UploadProgressResponse processChunk(FileUploadSession session,
+    @Async("fileUploadTaskExecutor")
-                                                Integer chunkNumber,
+    @Transactional
-                                                MultipartFile chunkFile) {
+    public void completeFileProcessingAsync(FileUploadSession session) {
+        try {
+            Path filePath = Paths.get(session.getFilePath());
+            String checksum = calculateChecksum(filePath);
+
+            FileEntity fileEntity = FileEntity.builder()
+                    .userId(session.getUserId())
+                    .originalFileName(session.getFileName())
+                    .storedFileName(filePath.getFileName().toString())
+                    .filePath(session.getFilePath())
+                    .fileSize(session.getFileSize())
+                    .mimeType(session.getFileType())
+                    .fileExtension(session.getExtension())
+                    .checksum(checksum)
+                    .uploadSessionId(session.getUploadId())
+                    .status(FileStatus.ACTIVE)
+                    .build();
+
+            FileEntity saved = fileEntityRepository.save(fileEntity);
+
+            Map<String, Integer> hash = imageHashService.calculateHash(filePath);
+            imageHashService.create(saved, hash);
+
+            cleanupSessionFiles(session);
+
+            log.info("File processing completed for session: {}", session.getUploadId());
+
+        } catch (Exception e) {
+            log.error("Failed to complete file processing for session {}: {}",
+                    session.getUploadId(), e.getMessage(), e);
+        }
+    }
+
+    private UploadProgressResponse processChunk(FileUploadSession session, Integer chunkNumber, MultipartFile chunkFile) {
         String chunkPath = null;
 
         try {
@@ -291,17 +305,42 @@ public class FileUploadServiceImpl implements FileUploadService {
             log.debug("Chunk {} saved successfully. Uploaded: {}/{}",
                     chunkNumber, session.getChunksUploaded(), session.getTotalChunks());
 
-            if (session.getChunksUploaded().equals(session.getTotalChunks())) {
+            boolean isLastChunk = session.getChunksUploaded().equals(session.getTotalChunks());
+
+            if (isLastChunk) {
                 log.info("All chunks uploaded for session {}. Starting assembly...",
                         session.getUploadId());
-                sessionRepository.save(session);
+
-                assembleFileAsync(session);
+                String finalFilePath = assembleFileSynchronously(session);
+
+                if (session.getFileType().startsWith("image")) {
+                    checkForDuplicatesSynchronously(finalFilePath);
+                }
+
+                session.setStatus(UploadStatus.COMPLETED);
+                session.setFilePath(finalFilePath);
+
+                completeFileProcessingAsync(session);
+
             } else {
                 sessionRepository.save(session);
             }
 
             return UploadProgressResponse.fromSession(session);
 
+        } catch (DuplicateImageException e) {
+            if (chunkPath != null) {
+                cleanupFailedChunk(chunkPath);
+            }
+
+            log.warn("Duplicate image found for session {}: {}",
+                    session.getUploadId(), e.getMessage());
+
+            session.setStatus(UploadStatus.FAILED);
+            session.setLastError(e.getMessage());
+            sessionRepository.save(session);
+
+            throw e;
         } catch (Exception e) {
             if (chunkPath != null) {
                 cleanupFailedChunk(chunkPath);
@@ -318,6 +357,29 @@ public class FileUploadServiceImpl implements FileUploadService {
         }
     }
 
+    private String assembleFileSynchronously(FileUploadSession session) throws IOException {
+        Path finalFilePath = prepareFinalFile(session);
+
+        validateAllChunksExist(session);
+        mergeChunksToFile(session, finalFilePath);
+        validateFinalFile(session, finalFilePath);
+
+        return finalFilePath.toString();
+    }
+
+    private void checkForDuplicatesSynchronously(String filePath)
+            throws IOException {
+        Path path = Paths.get(filePath);
+        Map<String, Integer> hash = imageHashService.calculateHash(path);
+        List<SimilarImageProjection> duplicates = fileSimilarityService.findDuplicatedByHash(
+                hash.get("hi"), hash.get("low"));
+
+        if (!duplicates.isEmpty()) {
+            throw new DuplicateImageException("Duplicate", duplicates.get(0).getFileId(),
+                    duplicates.get(0).getUserId());
+        }
+    }
+
     private UploadProgressResponse handleExistingChunk(FileUploadSession session,
                                                        Integer chunkNumber,
                                                        MultipartFile chunkFile) throws IOException {
@@ -325,25 +387,24 @@ public class FileUploadServiceImpl implements FileUploadService {
         Path chunkPath = Paths.get(existingPath);
 
         if (!Files.exists(chunkPath)) {
-            log.warn("Chunk file missing, re-uploading: {}", chunkPath);
             session.getChunkPaths().remove(chunkNumber);
             session.setChunksUploaded(session.getChunksUploaded() - 1);
             sessionRepository.save(session);
+
             return processChunk(session, chunkNumber, chunkFile);
         }
 
         long existingSize = Files.size(chunkPath);
+
         if (existingSize != chunkFile.getSize()) {
-            log.warn("Chunk size mismatch, re-uploading: {} != {}",
-                    existingSize, chunkFile.getSize());
             Files.deleteIfExists(chunkPath);
             session.getChunkPaths().remove(chunkNumber);
             session.setChunksUploaded(session.getChunksUploaded() - 1);
             sessionRepository.save(session);
+
             return processChunk(session, chunkNumber, chunkFile);
         }
 
-        log.debug("Chunk {} already uploaded and valid", chunkNumber);
         return UploadProgressResponse.fromSession(session);
     }
 
@@ -428,6 +489,8 @@ public class FileUploadServiceImpl implements FileUploadService {
                 fileEntityService.createFromUploadSession(session, checksum);
                 log.info("FileEntity successfully created for session: {}",
                         session.getUploadId());
+            } catch (DuplicateImageException e) {
+                throw new DuplicateImageException("Duplicate", e.duplicateFileId(), e.userId());
             } catch (Exception e) {
                 log.error("Failed to create FileEntity for session {} (file uploaded, but metadata not saved): {}",
                         session.getUploadId(), e.getMessage());

src/main/java/ru/soune/nocopy/service/file/NotExistFilesCleanupService.java

@@ -0,0 +1,35 @@
+package ru.soune.nocopy.service.file;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import ru.soune.nocopy.entity.file.FileEntity;
+import ru.soune.nocopy.entity.file.FileStatus;
+import ru.soune.nocopy.repository.FileEntityRepository;
+
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.List;
+
+@Service
+@RequiredArgsConstructor
+public class NotExistFilesCleanupService {
+
+    @Autowired
+    private FileEntityRepository fileEntityRepository;
+
+    @Transactional
+    @Scheduled(fixedDelay = 30000)
+    public void cleanUpNotExistFiles() {
+        List<FileEntity> fileEntities = fileEntityRepository.searchFileEntityByStatus(FileStatus.DELETED);
+
+        for (FileEntity fileEntity : fileEntities) {
+            boolean exists = Files.exists(Paths.get(fileEntity.getFilePath()));
+            if (!exists) {
+                fileEntityRepository.delete(fileEntity);
+            }
+        }
+    }
+}

src/main/resources/application.yaml

@@ -28,13 +28,12 @@ spring:
 file:
   storage:
     base-path: ${FILE_STORAGE_PATH:/data/uploads}
-    #    chunk-size: ${FILE_CHUNK_SIZE:5242880}  # 5MB
-#    chunk-size: ${FILE_CHUNK_SIZE:1048576}  # 1MB
     chunk-size: ${FILE_CHUNK_SIZE:1000000}  # 1MB
     max-file-size: ${MAX_FILE_SIZE:10737418240}  # 10GB
     max-retry-attempts: ${MAX_RETRY_ATTEMPTS:3}
     chunk-timeout-ms: ${CHUNK_TIMEOUT_MS:300000}  # 5 минут
     temp-ttl-hours: ${TEMP_TTL_HOURS:72}  # 3 дня
+    auth-token-life-hours: ${AUTH_TOKEN_LIFE:1}  # 1 час
     session-expiry-hours: ${SESSION_EXPIRY_HOURS:24}
 
 security: