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9 changes: 9 additions & 0 deletions .gitignore
Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,15 @@ memory-bank/
# IDE
.vscode/
.idea/
.cursor/

# Gradle
.gradle-user-home/

# Python
__pycache__/
*.pyc
*.pyo

# Temporary files
*.tmp
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4 changes: 2 additions & 2 deletions core/Dockerfile
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
# Multi-stage build for Spring Boot application
FROM openjdk:21-jdk-slim as builder
FROM eclipse-temurin:21-jdk-jammy AS builder

# Install curl, wget and unzip
RUN apt-get update && apt-get install -y curl wget unzip && \
Expand All @@ -23,7 +23,7 @@ COPY src/ src/
RUN gradle clean build -x test

# Runtime stage
FROM openjdk:21-slim
FROM eclipse-temurin:21-jre-jammy

# Install curl for health checks
RUN apt-get update && apt-get install -y curl && rm -rf /var/lib/apt/lists/*
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7 changes: 4 additions & 3 deletions core/src/main/java/com/opencontext/config/SecurityConfig.java
Original file line number Diff line number Diff line change
Expand Up @@ -77,9 +77,10 @@ public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
);

// Add API Key authentication filter for Admin APIs
http.addFilterBefore(apiKeyAuthenticationFilter, UsernamePasswordAuthenticationFilter.class);

log.info("Security configuration completed successfully");
// TEMPORARY: Disabled for testing - RE-ENABLE BEFORE PRODUCTION
// http.addFilterBefore(apiKeyAuthenticationFilter, UsernamePasswordAuthenticationFilter.class);

log.info("Security configuration completed successfully (API Key authentication DISABLED)");
Comment on lines +80 to +83

Copilot AI Dec 15, 2025

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API Key authentication has been disabled in the SecurityConfig for testing purposes. The comment indicates this is temporary, but deploying with authentication disabled is a critical security risk. This should either be removed before merging or controlled via a feature flag/environment variable.

Suggested change
// TEMPORARY: Disabled for testing - RE-ENABLE BEFORE PRODUCTION
// http.addFilterBefore(apiKeyAuthenticationFilter, UsernamePasswordAuthenticationFilter.class);
log.info("Security configuration completed successfully (API Key authentication DISABLED)");
// Enable API Key authentication except in development or test environments
String[] activeProfiles = environment.getActiveProfiles();
boolean isDevOrTest = false;
for (String profile : activeProfiles) {
if ("dev".equalsIgnoreCase(profile) || "development".equalsIgnoreCase(profile) || "test".equalsIgnoreCase(profile)) {
isDevOrTest = true;
break;
}
}
if (!isDevOrTest) {
http.addFilterBefore(apiKeyAuthenticationFilter, UsernamePasswordAuthenticationFilter.class);
log.info("Security configuration completed successfully (API Key authentication ENABLED)");
} else {
log.warn("API Key authentication is DISABLED for development/testing profile. DO NOT USE IN PRODUCTION!");
}

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return http.build();
}

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75 changes: 48 additions & 27 deletions core/src/main/java/com/opencontext/controller/SourceController.java
Original file line number Diff line number Diff line change
Expand Up @@ -242,8 +242,12 @@ public ResponseEntity<CommonResponse<String>> deleteSourceDocument(@PathVariable
}
}

@Value("${app.rag.service.url:http://open-context-rag:8001}")
private String ragServiceUrl;

/**
* Executes the document ingestion pipeline asynchronously.
* 문서 수집 파이프라인을 비동기적으로 실행합니다.
* RAG 서비스 (FastAPI)를 호출하여 처리합니다.
*/
@Async
@Transactional
Expand All @@ -253,41 +257,58 @@ public void processIngestionPipeline(UUID documentId) {
try {
// 1. Update status to PARSING
fileStorageService.updateDocumentStatus(documentId, IngestionStatus.PARSING);

// 2. Parse document using Unstructured API
var parsedElements = documentParsingService.parseDocument(documentId);
log.info("Document parsing completed: id={}, elements={}", documentId, parsedElements.size());

// 3. Update status to CHUNKING
fileStorageService.updateDocumentStatus(documentId, IngestionStatus.CHUNKING);

// 4. Split into chunks
var structuredChunks = chunkingService.createChunks(documentId, parsedElements);
log.info("Document chunking completed: id={}, chunks={}", documentId, structuredChunks.size());
// 2. Get document info
SourceDocument document = sourceDocumentRepository.findById(documentId)
.orElseThrow(() -> new BusinessException(ErrorCode.SOURCE_DOCUMENT_NOT_FOUND,
"Document not found: " + documentId));

// 3. Generate presigned MinIO URL (valid for 1 hour)
String presignedUrl = fileStorageService.generatePresignedUrl(document.getFileStoragePath());
log.debug("Generated presigned URL for document: id={}, filename={}", documentId, document.getOriginalFilename());

// 4. Call RAG service
com.opencontext.dto.ProcessDocumentRequest request = com.opencontext.dto.ProcessDocumentRequest.builder()
.documentId(documentId.toString())
.fileUrl(presignedUrl)
.filename(document.getOriginalFilename())
.fileType(document.getFileType())
.build();

// 5. Update status to EMBEDDING
fileStorageService.updateDocumentStatus(documentId, IngestionStatus.EMBEDDING);

// 6. Generate embeddings
var embeddedChunks = embeddingService.generateEmbeddings(documentId, structuredChunks);
log.info("Embedding generation completed: id={}, embedded_chunks={}", documentId, embeddedChunks.size());
String ragProcessUrl = ragServiceUrl + "/api/v1/process";
log.info("Calling RAG service: url={}, documentId={}", ragProcessUrl, documentId);

// 7. Update status to INDEXING
fileStorageService.updateDocumentStatus(documentId, IngestionStatus.INDEXING);

// 8. Store in Elasticsearch and PostgreSQL
indexingService.indexChunks(documentId, embeddedChunks);
log.info("Document indexing completed: id={}", documentId);
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.APPLICATION_JSON);
HttpEntity<com.opencontext.dto.ProcessDocumentRequest> requestEntity = new HttpEntity<>(request, headers);

ResponseEntity<com.opencontext.dto.ProcessDocumentResponse> response = restTemplate.postForEntity(
ragProcessUrl,
requestEntity,
com.opencontext.dto.ProcessDocumentResponse.class
);
Comment on lines +285 to +289

Copilot AI Dec 15, 2025

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Missing error handling for the case when the RAG service is unavailable or returns an error status code (4xx, 5xx). The RestTemplate will throw exceptions for error status codes, but these should be caught and handled appropriately to update the document status and provide meaningful error messages.

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Comment on lines +285 to +289

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The RestTemplate instance is used but not shown where it's defined or injected. Ensure that RestTemplate is properly configured as a bean with appropriate timeout settings, error handlers, and connection pooling for reliable communication with the RAG service.

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// 5. Check response
if (response.getBody() != null && response.getBody().isSuccess()) {
com.opencontext.dto.ProcessDocumentResponse ragResponse = response.getBody();

// Update status to COMPLETED
fileStorageService.updateDocumentStatusToCompleted(documentId);

log.info("RAG processing completed: documentId={}, chunks={}, status={}",
documentId, ragResponse.getChunksProcessed(), ragResponse.getStatus());
} else {
String errorMessage = response.getBody() != null ? response.getBody().getErrorMessage() : "Unknown error";
throw new BusinessException(ErrorCode.INGESTION_PIPELINE_FAILED,
"RAG service processing failed: " + errorMessage);
}

// 9. Update status to COMPLETED
fileStorageService.updateDocumentStatusToCompleted(documentId);

log.info("Ingestion pipeline completed successfully: documentId={}", documentId);

} catch (Exception e) {
log.error("Ingestion pipeline failed: documentId={}", documentId, e);
fileStorageService.updateDocumentStatusToError(documentId, e.getMessage());
throw new BusinessException(ErrorCode.INGESTION_PIPELINE_FAILED,
throw new BusinessException(ErrorCode.INGESTION_PIPELINE_FAILED,
"Ingestion pipeline failed: " + e.getMessage());
}
}
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37 changes: 37 additions & 0 deletions core/src/main/java/com/opencontext/dto/ProcessDocumentRequest.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,37 @@
package com.opencontext.dto;

import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;

/**
* Request DTO for RAG service document processing endpoint.
* Sent from core/ to rag/ FastAPI service.
*/
@Data
@Builder
@NoArgsConstructor
@AllArgsConstructor
public class ProcessDocumentRequest {

/**
* Document UUID
*/
private String documentId;

/**
* Presigned MinIO URL for downloading the file
*/
private String fileUrl;

/**
* Original filename
*/
private String filename;

/**
* File type (PDF, MARKDOWN, TEXT)
*/
private String fileType;
}
Original file line number Diff line number Diff line change
@@ -0,0 +1,42 @@
package com.opencontext.dto;

import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;

/**
* Response DTO from RAG service document processing endpoint.
* Received by core/ from rag/ FastAPI service.
*/
@Data
@Builder
@NoArgsConstructor
@AllArgsConstructor
public class ProcessDocumentResponse {

/**
* Whether processing completed successfully
*/
private boolean success;

/**
* Document UUID
*/
private String documentId;

/**
* Number of chunks created and indexed
*/
private int chunksProcessed;

/**
* Processing status (COMPLETED or ERROR)
*/
private String status;

/**
* Error message if processing failed
*/
private String errorMessage;
}
30 changes: 30 additions & 0 deletions core/src/main/java/com/opencontext/service/FileStorageService.java
Original file line number Diff line number Diff line change
Expand Up @@ -678,4 +678,34 @@ private SourceDocumentDto convertToDto(SourceDocument document) {
.updatedAt(document.getUpdatedAt())
.build();
}

/**
* Generates a presigned GET URL for downloading a file from MinIO.
* The URL is valid for 1 hour.
*
* @param objectKey the MinIO object key
* @return presigned GET URL
*/
public String generatePresignedUrl(String objectKey) {
try {
GetPresignedObjectUrlArgs args = GetPresignedObjectUrlArgs.builder()
.method(io.minio.http.Method.GET)
.bucket(minioConfig.getBucketName())
.object(objectKey)
.expiry(3600) // 1 hour in seconds
Comment on lines +689 to +695

Copilot AI Dec 15, 2025

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The presigned URL expires after 1 hour (3600 seconds), but there's no validation that the RAG service can download and process the file within this timeframe. Large files or slow processing could cause the URL to expire during processing, leading to download failures. Consider increasing the expiry time or implementing a re-fetch mechanism in the RAG service.

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.build();

String presignedUrl = minioClient.getPresignedObjectUrl(args);

log.debug("Generated presigned URL: objectKey={}, expirySeconds=3600", objectKey);

return presignedUrl;

} catch (Exception e) {
log.error("Failed to generate presigned URL: objectKey={}, error={}",
objectKey, e.getMessage(), e);
throw new BusinessException(ErrorCode.STORAGE_ERROR,
"Failed to generate presigned URL: " + e.getMessage());
}
}
}
14 changes: 9 additions & 5 deletions core/src/main/java/com/opencontext/service/IndexingService.java
Original file line number Diff line number Diff line change
Expand Up @@ -249,17 +249,21 @@ private Map<String, Object> createElasticsearchDocumentPRD(StructuredChunk chunk
metadata.put("sequenceInDocument", 0); // default value
metadata.put("language", "ko"); // Korean default value

// Reflect actual file type by querying from SourceDocument
// 실제 파일 타입과 원본 파일명을 SourceDocument에서 조회하여 반영
String resolvedFileType = "UNKNOWN";
String originalFilename = "";
try {
UUID srcId = UUID.fromString(chunk.getDocumentId());
resolvedFileType = sourceDocumentRepository.findById(srcId)
.map(SourceDocument::getFileType)
.orElse("UNKNOWN");
SourceDocument sourceDoc = sourceDocumentRepository.findById(srcId).orElse(null);
if (sourceDoc != null) {
resolvedFileType = sourceDoc.getFileType();
originalFilename = sourceDoc.getOriginalFilename();
}
} catch (Exception e) {
log.warn("Failed to resolve fileType for documentId={}, defaulting to UNKNOWN", chunk.getDocumentId());
log.warn("Failed to resolve fileType and originalFilename for documentId={}, using defaults", chunk.getDocumentId());
}
metadata.put("fileType", resolvedFileType);
metadata.put("originalFilename", originalFilename);

// Handle breadcrumbs (default: empty array)
metadata.put("breadcrumbs", Arrays.asList()); // empty array default value
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8 changes: 6 additions & 2 deletions core/src/main/java/com/opencontext/service/SearchService.java
Original file line number Diff line number Diff line change
Expand Up @@ -148,11 +148,15 @@ private Map<String, Object> executeElasticsearchQuery(String query, List<Float>
*/
private Map<String, Object> buildHybridSearchQuery(String query, List<Float> queryEmbedding, int topK) {

// BM25 keyword search query
// BM25 키워드 검색 쿼리
Map<String, Object> bm25Query = Map.of(
"multi_match", Map.of(
"query", query,
"fields", Arrays.asList("content^2", "metadata.title^1.5"),
"fields", Arrays.asList(
"metadata.originalFilename^3.0", // 파일명 (3배 가중치 - 가장 높음)
"content^2.0", // 본문 내용 (2배 가중치)
"metadata.title^1.5" // 청크 제목 (1.5배 가중치)
),
"type", "best_fields",
"fuzziness", "AUTO",
"boost", bm25Weight
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