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chore(files): use absolute file path to retrieve and save files

(cherry picked from commit c2b116de70df335a6a354cf2b3595632c8b49ff1)
This commit is contained in:
kolaente 2024-09-05 15:03:32 +02:00
parent 761d278b9a
commit bf08dc2585
No known key found for this signature in database
GPG Key ID: F40E70337AB24C9B
2 changed files with 41 additions and 8 deletions

View File

@ -20,6 +20,7 @@ import (
"errors"
"io"
"os"
"path/filepath"
"strconv"
"time"
@ -52,17 +53,21 @@ type File struct {
}
// TableName is the table name for the files table
func (File) TableName() string {
func (*File) TableName() string {
return "files"
}
func (f *File) getFileName() string {
return config.FilesBasePath.GetString() + "/" + strconv.FormatInt(f.ID, 10)
func (f *File) getAbsoluteFilePath() string {
return filepath.Join(
config.ServiceRootpath.GetString(),
config.FilesBasePath.GetString(),
strconv.FormatInt(f.ID, 10),
)
}
// LoadFileByID returns a file by its ID
func (f *File) LoadFileByID() (err error) {
f.File, err = afs.Open(f.getFileName())
f.File, err = afs.Open(f.getAbsoluteFilePath())
return
}
@ -137,7 +142,7 @@ func (f *File) Delete() (err error) {
return ErrFileDoesNotExist{FileID: f.ID}
}
err = afs.Remove(f.getFileName())
err = afs.Remove(f.getAbsoluteFilePath())
if err != nil {
var perr *os.PathError
if errors.As(err, &perr) {
@ -155,7 +160,7 @@ func (f *File) Delete() (err error) {
// Save saves a file to storage
func (f *File) Save(fcontent io.Reader) (err error) {
err = afs.WriteReader(f.getFileName(), fcontent)
err = afs.WriteReader(f.getAbsoluteFilePath(), fcontent)
if err != nil {
return
}

View File

@ -18,9 +18,10 @@ package v1
import (
"net/http"
"strings"
"code.vikunja.io/api/pkg/db"
"code.vikunja.io/api/pkg/log"
"code.vikunja.io/api/pkg/models"
auth2 "code.vikunja.io/api/pkg/modules/auth"
"code.vikunja.io/api/pkg/web/handler"
@ -116,6 +117,8 @@ func UploadTaskAttachment(c echo.Context) error {
// @Produce octet-stream
// @Param id path int true "Task ID"
// @Param attachmentID path int true "Attachment ID"
// @Param preview query string false "If set to true, a preview image will be returned if the attachment is an image."
// @Param size query string false "The size of the preview image. Can be sm = 100px, md = 200px, lg = 400px or xl = 800px."
// @Security JWTKeyAuth
// @Success 200 {file} blob "The attachment file."
// @Failure 403 {object} models.Message "No access to this task."
@ -154,7 +157,24 @@ func GetTaskAttachment(c echo.Context) error {
return handler.HandleHTTPError(err)
}
// Open an send the file to the client
// Reading the 'preview' query parameter
preview := c.QueryParam("preview") == "true"
previewSize := models.PreviewSize(c.QueryParam("size"))
if previewSize == "" {
previewSize = models.PreviewMedium
}
// If the preview query parameter is set and the preview was already generated and cached, return the cached preview image
if preview && strings.HasPrefix(taskAttachment.File.Mime, "image") {
previewFileBytes := taskAttachment.GetPreviewFromCache(previewSize)
if previewFileBytes != nil {
log.Debugf("Cached attachment image preview found for task attachment %v", taskAttachment.ID)
return c.Blob(http.StatusOK, "image/png", previewFileBytes)
}
}
// Open and send the file to the client
err = taskAttachment.File.LoadFileByID()
if err != nil {
_ = s.Rollback()
@ -166,6 +186,14 @@ func GetTaskAttachment(c echo.Context) error {
return handler.HandleHTTPError(err)
}
// If a preview is requested and the preview was not cached, we create the preview and cache it
if preview {
previewFileBytes := taskAttachment.GenerateAndSavePreviewToCache(previewSize)
if previewFileBytes != nil {
return c.Blob(http.StatusOK, "image/png", previewFileBytes)
}
}
http.ServeContent(c.Response(), c.Request(), taskAttachment.File.Name, taskAttachment.File.Created, taskAttachment.File.File)
return nil
}