wizardchen
264 lines
7.6 KiB
Go
264 lines
7.6 KiB
Go
package handler
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import (
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"context"
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"os"
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"strings"
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"github.com/Tencent/WeKnora/internal/config"
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"github.com/Tencent/WeKnora/internal/logger"
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"github.com/gin-gonic/gin"
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"github.com/minio/minio-go/v7"
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"github.com/minio/minio-go/v7/pkg/credentials"
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"github.com/neo4j/neo4j-go-driver/v6/neo4j"
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)
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// SystemHandler handles system-related requests
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type SystemHandler struct {
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cfg *config.Config
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neo4jDriver neo4j.Driver
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}
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// NewSystemHandler creates a new system handler
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func NewSystemHandler(cfg *config.Config, neo4jDriver neo4j.Driver) *SystemHandler {
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return &SystemHandler{
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cfg: cfg,
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neo4jDriver: neo4jDriver,
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}
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}
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// GetSystemInfoResponse defines the response structure for system info
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type GetSystemInfoResponse struct {
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Version string `json:"version"`
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CommitID string `json:"commit_id,omitempty"`
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BuildTime string `json:"build_time,omitempty"`
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GoVersion string `json:"go_version,omitempty"`
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KeywordIndexEngine string `json:"keyword_index_engine,omitempty"`
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VectorStoreEngine string `json:"vector_store_engine,omitempty"`
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GraphDatabaseEngine string `json:"graph_database_engine,omitempty"`
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MinioEnabled bool `json:"minio_enabled,omitempty"`
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}
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// 编译时注入的版本信息
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var (
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Version = "unknown"
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CommitID = "unknown"
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BuildTime = "unknown"
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GoVersion = "unknown"
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)
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// GetSystemInfo godoc
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// @Summary 获取系统信息
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// @Description 获取系统版本、构建信息和引擎配置
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// @Tags 系统
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// @Accept json
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// @Produce json
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// @Success 200 {object} GetSystemInfoResponse "系统信息"
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// @Router /system/info [get]
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func (h *SystemHandler) GetSystemInfo(c *gin.Context) {
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ctx := logger.CloneContext(c.Request.Context())
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// Get keyword index engine from RETRIEVE_DRIVER
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keywordIndexEngine := h.getKeywordIndexEngine()
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// Get vector store engine from config or RETRIEVE_DRIVER
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vectorStoreEngine := h.getVectorStoreEngine()
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// Get graph database engine from NEO4J_ENABLE
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graphDatabaseEngine := h.getGraphDatabaseEngine()
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// Get MinIO enabled status
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minioEnabled := h.isMinioEnabled()
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response := GetSystemInfoResponse{
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Version: Version,
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CommitID: CommitID,
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BuildTime: BuildTime,
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GoVersion: GoVersion,
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KeywordIndexEngine: keywordIndexEngine,
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VectorStoreEngine: vectorStoreEngine,
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GraphDatabaseEngine: graphDatabaseEngine,
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MinioEnabled: minioEnabled,
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}
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logger.Info(ctx, "System info retrieved successfully")
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c.JSON(200, gin.H{
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"code": 0,
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"msg": "success",
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"data": response,
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})
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}
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// getKeywordIndexEngine returns the keyword index engine name
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func (h *SystemHandler) getKeywordIndexEngine() string {
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retrieveDriver := os.Getenv("RETRIEVE_DRIVER")
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if retrieveDriver == "" {
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return "未配置"
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}
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drivers := strings.Split(retrieveDriver, ",")
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// Filter out engines that support keyword retrieval
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keywordEngines := []string{}
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for _, driver := range drivers {
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driver = strings.TrimSpace(driver)
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if driver == "postgres" || driver == "elasticsearch_v7" || driver == "elasticsearch_v8" {
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keywordEngines = append(keywordEngines, driver)
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}
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}
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if len(keywordEngines) == 0 {
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return "未配置"
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}
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return strings.Join(keywordEngines, ", ")
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}
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// getVectorStoreEngine returns the vector store engine name
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func (h *SystemHandler) getVectorStoreEngine() string {
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// First check config.yaml
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if h.cfg != nil && h.cfg.VectorDatabase != nil && h.cfg.VectorDatabase.Driver != "" {
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return h.cfg.VectorDatabase.Driver
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}
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// Fallback to RETRIEVE_DRIVER for vector support
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retrieveDriver := os.Getenv("RETRIEVE_DRIVER")
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if retrieveDriver == "" {
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return "未配置"
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}
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drivers := strings.Split(retrieveDriver, ",")
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// Filter out engines that support vector retrieval
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vectorEngines := []string{}
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for _, driver := range drivers {
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driver = strings.TrimSpace(driver)
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if driver == "postgres" || driver == "elasticsearch_v8" {
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vectorEngines = append(vectorEngines, driver)
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}
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}
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if len(vectorEngines) == 0 {
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return "未配置"
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}
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return strings.Join(vectorEngines, ", ")
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}
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// getGraphDatabaseEngine returns the graph database engine name
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func (h *SystemHandler) getGraphDatabaseEngine() string {
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if h.neo4jDriver == nil {
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return "未启用"
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}
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return "Neo4j"
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}
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// isMinioEnabled checks if MinIO is enabled
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func (h *SystemHandler) isMinioEnabled() bool {
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// Check if all required MinIO environment variables are set
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endpoint := os.Getenv("MINIO_ENDPOINT")
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accessKeyID := os.Getenv("MINIO_ACCESS_KEY_ID")
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secretAccessKey := os.Getenv("MINIO_SECRET_ACCESS_KEY")
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return endpoint != "" && accessKeyID != "" && secretAccessKey != ""
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}
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// MinioBucketInfo represents bucket information with access policy
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type MinioBucketInfo struct {
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Name string `json:"name"`
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Policy string `json:"policy"` // "public", "private", "custom"
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CreatedAt string `json:"created_at,omitempty"`
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}
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// ListMinioBucketsResponse defines the response structure for listing buckets
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type ListMinioBucketsResponse struct {
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Buckets []MinioBucketInfo `json:"buckets"`
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}
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// ListMinioBuckets godoc
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// @Summary 列出 MinIO 存储桶
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// @Description 获取所有 MinIO 存储桶及其访问权限
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// @Tags 系统
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// @Accept json
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// @Produce json
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// @Success 200 {object} ListMinioBucketsResponse "存储桶列表"
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// @Failure 400 {object} map[string]interface{} "MinIO 未启用"
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// @Failure 500 {object} map[string]interface{} "服务器错误"
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// @Router /system/minio/buckets [get]
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func (h *SystemHandler) ListMinioBuckets(c *gin.Context) {
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ctx := logger.CloneContext(c.Request.Context())
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// Check if MinIO is enabled
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if !h.isMinioEnabled() {
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logger.Warn(ctx, "MinIO is not enabled")
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c.JSON(400, gin.H{
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"code": 400,
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"msg": "MinIO is not enabled",
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"success": false,
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})
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return
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}
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// Get MinIO configuration from environment
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endpoint := os.Getenv("MINIO_ENDPOINT")
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accessKeyID := os.Getenv("MINIO_ACCESS_KEY_ID")
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secretAccessKey := os.Getenv("MINIO_SECRET_ACCESS_KEY")
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useSSL := os.Getenv("MINIO_USE_SSL") == "true"
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// Create MinIO client
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minioClient, err := minio.New(endpoint, &minio.Options{
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Creds: credentials.NewStaticV4(accessKeyID, secretAccessKey, ""),
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Secure: useSSL,
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})
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if err != nil {
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logger.Error(ctx, "Failed to create MinIO client", "error", err)
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c.JSON(500, gin.H{
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"code": 500,
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"msg": "Failed to connect to MinIO",
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"success": false,
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})
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return
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}
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// List all buckets
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buckets, err := minioClient.ListBuckets(context.Background())
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if err != nil {
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logger.Error(ctx, "Failed to list MinIO buckets", "error", err)
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c.JSON(500, gin.H{
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"code": 500,
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"msg": "Failed to list buckets",
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"success": false,
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})
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return
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}
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// Get policy for each bucket
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bucketInfos := make([]MinioBucketInfo, 0, len(buckets))
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for _, bucket := range buckets {
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policy := "private" // default
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// Try to get bucket policy
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policyStr, err := minioClient.GetBucketPolicy(context.Background(), bucket.Name)
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if err == nil && policyStr != "" {
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// Check if policy contains public read access
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if strings.Contains(policyStr, `"Effect":"Allow"`) &&
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strings.Contains(policyStr, `"Principal":"*"`) &&
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strings.Contains(policyStr, `"s3:GetObject"`) {
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policy = "public"
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} else {
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policy = "custom"
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}
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}
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bucketInfos = append(bucketInfos, MinioBucketInfo{
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Name: bucket.Name,
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Policy: policy,
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CreatedAt: bucket.CreationDate.Format("2006-01-02 15:04:05"),
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})
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}
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logger.Info(ctx, "Listed MinIO buckets successfully", "count", len(bucketInfos))
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c.JSON(200, gin.H{
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"code": 0,
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"msg": "success",
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"success": true,
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"data": ListMinioBucketsResponse{Buckets: bucketInfos},
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})
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}
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