382 lines
10 KiB
Go
382 lines
10 KiB
Go
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package serverhandlers
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import (
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"context"
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"net/http"
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"sort"
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"git.agecem.com/agecem/agecem-org/config"
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"git.agecem.com/agecem/agecem-org/media"
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"github.com/labstack/echo/v4"
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"github.com/minio/minio-go/v7"
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"github.com/spf13/viper"
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)
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// API Handlers
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// HandleV1 affiche les routes accessibles.
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// Les routes sont triées selon .Path, pour les rendre plus facilement navigables.
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func HandleV1(c echo.Context) error {
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routes := c.Echo().Routes()
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sort.Slice(routes, func(i, j int) bool { return routes[i].Path < routes[j].Path })
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return c.JSON(http.StatusOK, routes)
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}
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// HandleV1Seed créé des buckets dans minio selon la liste de buckets dans server.documents.buckets
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// Les buckets sont créés avec paramètres par défaut, et sont ensuite visible dans /v1/bucket.
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func HandleV1Seed(c echo.Context) error {
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mediaClient, err := media.NewMediaClientFromViper()
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if err != nil {
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return c.JSON(http.StatusInternalServerError, map[string]string{
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"message": "Error during media.NewMediaClientFromViper()",
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"error": err.Error(),
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})
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}
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new_buckets, err := mediaClient.Seed()
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if err != nil {
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return c.JSON(http.StatusInternalServerError, map[string]string{
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"message": "Error during mediaClient.Seed()",
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"error": err.Error(),
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})
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}
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var message string
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if len(new_buckets) == 0 {
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message = "All buckets already exist"
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} else {
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message = "Buckets successfully created"
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}
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return c.JSON(http.StatusOK, map[string]interface{}{
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"message": message,
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"buckets": new_buckets,
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})
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}
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// HandleV1BucketList affiche les buckets permis par server.documents.buckets, qui existent.
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func HandleV1BucketList(c echo.Context) error {
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var cfg config.Config
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if err := viper.Unmarshal(&cfg); err != nil {
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return c.JSON(http.StatusInternalServerError, map[string]string{
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"error": err.Error(),
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})
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}
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mediaClient, err := media.NewMediaClientFromViper()
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if err != nil {
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return c.JSON(http.StatusInternalServerError, map[string]string{
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"message": "Error during media.NewMediaClientFromViper()",
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"error": err.Error(),
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})
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}
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var buckets []string
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for _, bucket_name := range cfg.Server.Documents.Buckets {
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exists, err := mediaClient.MinioClient.BucketExists(context.Background(), bucket_name)
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if err != nil {
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return c.JSON(http.StatusInternalServerError, "Error during minio#BucketExists")
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}
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if exists {
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buckets = append(buckets, bucket_name)
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}
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}
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return c.JSON(http.StatusOK, buckets)
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}
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func HandleV1BucketRead(c echo.Context) error {
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var cfg config.Config
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if err := viper.Unmarshal(&cfg); err != nil {
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return c.JSON(http.StatusInternalServerError, map[string]string{
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"error": err.Error(),
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})
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}
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bucket := c.Param("bucket")
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allowed := false
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for _, bucket_allowed := range cfg.Server.Documents.Buckets {
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if bucket == bucket_allowed {
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allowed = true
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}
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}
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if !allowed {
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/*
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return c.JSON(http.StatusBadRequest, map[string]string{
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"message": "Bucket is not allowed in server.documents.buckets",
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})
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*/
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return c.JSON(http.StatusNotFound, map[string]string{"message": "Not Found"})
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}
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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mediaClient, err := media.NewMediaClientFromViper()
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if err != nil {
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return c.JSON(http.StatusInternalServerError, map[string]string{
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"message": "Error during media.NewMediaClientFromViper()",
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"error": err.Error(),
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})
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}
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exists, err := mediaClient.MinioClient.BucketExists(ctx, bucket)
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if err != nil {
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return c.JSON(http.StatusInternalServerError, "Error during minio#BucketExists")
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}
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if !exists {
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return c.JSON(http.StatusNotFound, map[string]string{"message": "Not Found"})
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}
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var keys []string
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objectCh := mediaClient.MinioClient.ListObjects(ctx, bucket, minio.ListObjectsOptions{})
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for object := range objectCh {
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if object.Err != nil {
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return c.JSON(http.StatusInternalServerError, map[string]string{
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"message": "Error during minio#ListObjects",
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})
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}
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keys = append(keys, object.Key)
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}
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return c.JSON(http.StatusOK, keys)
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}
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// HandleV1DocumentCreate permet d'ajouter un object dans un bucket, par multipart/form-data
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func HandleV1DocumentCreate(c echo.Context) error {
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var cfg config.Config
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if err := viper.Unmarshal(&cfg); err != nil {
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return c.JSON(http.StatusInternalServerError, map[string]string{
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"error": err.Error(),
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})
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}
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bucket := c.Param("bucket")
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form_file, err := c.FormFile("document")
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if err != nil {
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return c.JSON(http.StatusBadRequest, map[string]interface{}{
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"message": "Error during HandleV1DocumentCreate's echo#Context.FormFile",
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"error": err,
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})
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}
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allowed := false
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for _, bucket_allowed := range cfg.Server.Documents.Buckets {
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if bucket == bucket_allowed {
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allowed = true
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}
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}
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if !allowed {
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return c.JSON(http.StatusNotFound, map[string]string{"message": "Not Found"})
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}
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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mediaClient, err := media.NewMediaClientFromViper()
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if err != nil {
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return c.JSON(http.StatusInternalServerError, map[string]string{
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"message": "Error during media.NewMediaClientFromViper()",
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"error": err.Error(),
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})
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}
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src, err := form_file.Open()
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if err != nil {
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return err
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}
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defer src.Close()
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/*
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reg, err := regexp.Compile("[^.a-zA-Z0-9_-]+")
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if err != nil {
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return c.Render(http.StatusInternalServerError, "documentation-html", nil)
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}
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filename_processed := reg.ReplaceAllString(form_file.Filename, "")
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*/
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info, err := mediaClient.MinioClient.PutObject(ctx, bucket, form_file.Filename, src, form_file.Size, minio.PutObjectOptions{
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ContentType: form_file.Header.Get("Content-Type"),
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})
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if err != nil {
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return c.JSON(http.StatusInternalServerError, map[string]string{
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"message": "Error during minio#PutObject",
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})
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}
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return c.JSON(http.StatusOK, map[string]interface{}{
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"message": "ok",
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"info": map[string]interface{}{
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"bucket": info.Bucket,
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"key": info.Key,
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"size": info.Size,
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},
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})
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}
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// HandleV1DocumentRead permet de lire le contenu d'un fichier et protentiellement de le télécharger
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func HandleV1DocumentRead(c echo.Context) error {
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var cfg config.Config
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if err := viper.Unmarshal(&cfg); err != nil {
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return c.JSON(http.StatusInternalServerError, map[string]string{
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"error": err.Error(),
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})
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}
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bucket := c.Param("bucket")
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document := c.Param("document")
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allowed := false
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for _, bucket_allowed := range cfg.Server.Documents.Buckets {
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if bucket == bucket_allowed {
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allowed = true
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}
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}
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if !allowed {
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return c.JSON(http.StatusNotFound, map[string]string{"message": "Not Found"})
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}
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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mediaClient, err := media.NewMediaClientFromViper()
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if err != nil {
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return c.JSON(http.StatusInternalServerError, map[string]string{
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"message": "Error during media.NewMediaClientFromViper()",
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"error": err.Error(),
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})
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}
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bucket_exists, err := mediaClient.MinioClient.BucketExists(ctx, bucket)
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if err != nil {
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return c.JSON(http.StatusInternalServerError, "Error during minio#BucketExists")
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}
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if !bucket_exists {
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return c.JSON(http.StatusNotFound, map[string]string{"message": "Not Found"})
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}
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document_info, err := mediaClient.MinioClient.StatObject(ctx, bucket, document, minio.StatObjectOptions{})
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if err != nil {
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if err.Error() == "The specified key does not exist." {
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return c.JSON(http.StatusNotFound, map[string]string{"message": "Not Found"})
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}
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return c.JSON(http.StatusInternalServerError, map[string]interface{}{
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"message": "Error during minio#StatObject",
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})
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}
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_ = document_info
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document_object, err := mediaClient.MinioClient.GetObject(ctx, bucket, document, minio.GetObjectOptions{})
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if err != nil {
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return c.JSON(http.StatusInternalServerError, map[string]string{
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"message": "Error during minio#GetObject",
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})
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}
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defer document_object.Close()
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return c.Stream(http.StatusOK, document_info.ContentType, document_object)
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}
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// HandleV1DocumentUpdate permet de mettre à jour certains champs d'un object, comme le Content-Type ou le Filename
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func HandleV1DocumentUpdate(c echo.Context) error {
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return c.JSON(http.StatusNotImplemented, map[string]string{
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"message": "Not Implemented",
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})
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}
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// HandleV1DocumentDelete permet de supprimer un object
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func HandleV1DocumentDelete(c echo.Context) error {
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var cfg config.Config
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if err := viper.Unmarshal(&cfg); err != nil {
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return c.JSON(http.StatusInternalServerError, map[string]string{
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"error": err.Error(),
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})
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}
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bucket := c.Param("bucket")
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document := c.Param("document")
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allowed := false
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for _, bucket_allowed := range cfg.Server.Documents.Buckets {
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if bucket == bucket_allowed {
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allowed = true
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}
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}
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if !allowed {
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/*
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return c.JSON(http.StatusBadRequest, map[string]string{
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"message": "Bucket is not allowed in server.documents.buckets",
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})
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*/
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return c.JSON(http.StatusNotFound, map[string]string{"message": "Not Found"})
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}
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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mediaClient, err := media.NewMediaClientFromViper()
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if err != nil {
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return c.JSON(http.StatusInternalServerError, map[string]string{
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"message": "Error during media.NewMediaClientFromViper()",
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"error": err.Error(),
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})
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}
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bucket_exists, err := mediaClient.MinioClient.BucketExists(ctx, bucket)
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if err != nil {
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return c.JSON(http.StatusInternalServerError, "Error during minio#BucketExists")
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}
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if !bucket_exists {
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return c.JSON(http.StatusNotFound, map[string]string{"message": "Not Found"})
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}
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document_info, err := mediaClient.MinioClient.StatObject(ctx, bucket, document, minio.StatObjectOptions{})
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if err != nil {
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if err.Error() == "The specified key does not exist." {
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return c.JSON(http.StatusNotFound, map[string]string{"message": "Not Found"})
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}
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return c.JSON(http.StatusInternalServerError, map[string]interface{}{
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"message": "Error during minio#StatObject",
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})
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}
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//TODO Add error validation
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_ = document_info
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err = mediaClient.MinioClient.RemoveObject(ctx, bucket, document, minio.RemoveObjectOptions{})
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if err != nil {
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return c.JSON(http.StatusInternalServerError, map[string]string{
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"message": "Error during minio#RemoveObject",
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})
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}
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return c.JSON(http.StatusOK, map[string]string{
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"message": "Document deleted",
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})
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}
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