143 lines
3.4 KiB
Go
143 lines
3.4 KiB
Go
package uploadHandler
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import (
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"errors"
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"github.com/fossyy/filekeeper/db"
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"github.com/fossyy/filekeeper/handler/upload/initialisation"
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"github.com/fossyy/filekeeper/logger"
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"github.com/fossyy/filekeeper/middleware"
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"github.com/fossyy/filekeeper/session"
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filesView "github.com/fossyy/filekeeper/view/upload"
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"io"
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"net/http"
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"os"
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"path/filepath"
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"strconv"
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"sync"
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)
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var log *logger.AggregatedLogger
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var mu sync.Mutex
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func init() {
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log = logger.Logger()
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}
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func GET(w http.ResponseWriter, r *http.Request) {
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component := filesView.Main("upload page")
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if err := component.Render(r.Context(), w); err != nil {
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handleError(w, err, http.StatusInternalServerError)
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return
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}
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}
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func POST(w http.ResponseWriter, r *http.Request) {
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fileID := r.PathValue("id")
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if err := r.ParseMultipartForm(32 << 20); err != nil {
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handleError(w, err, http.StatusInternalServerError)
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return
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}
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cookie, err := r.Cookie("Session")
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if err != nil {
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handleCookieError(w, r, err)
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return
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}
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storeSession, err := session.GlobalSessionStore.Get(cookie.Value)
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if err != nil {
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if errors.Is(err, &session.SessionNotFoundError{}) {
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storeSession.Destroy(w)
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}
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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userSession := middleware.GetUser(storeSession)
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if r.FormValue("done") == "true" {
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finalizeFileUpload(fileID)
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return
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}
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uploadDir := "uploads"
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if err := createUploadDirectory(uploadDir); err != nil {
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handleError(w, err, http.StatusInternalServerError)
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return
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}
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file, err := initialisation.GetUploadInfo(fileID)
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if err != nil {
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log.Error("error getting upload info: " + err.Error())
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return
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}
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currentDir, _ := os.Getwd()
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basePath := filepath.Join(currentDir, uploadDir)
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saveFolder := filepath.Join(basePath, userSession.UserID.String(), file.FileID.String())
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if filepath.Dir(saveFolder) != filepath.Join(basePath, userSession.UserID.String()) {
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log.Error("invalid path")
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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fileByte, _, err := r.FormFile("chunk")
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if err != nil {
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handleError(w, err, http.StatusInternalServerError)
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return
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}
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defer fileByte.Close()
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dst, err := os.OpenFile(filepath.Join(saveFolder, file.Name), os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0666)
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if err != nil {
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handleError(w, err, http.StatusInternalServerError)
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return
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}
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defer dst.Close()
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if _, err := io.Copy(dst, fileByte); err != nil {
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handleError(w, err, http.StatusInternalServerError)
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return
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}
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rawIndex := r.FormValue("index")
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index, err := strconv.Atoi(rawIndex)
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if err != nil {
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return
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}
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updateIndex(index, fileID)
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}
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func finalizeFileUpload(fileID string) {
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db.DB.Table("files_uploadeds").Where("file_id = ?", fileID).Updates(map[string]interface{}{
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"Done": true,
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})
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}
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func createUploadDirectory(uploadDir string) error {
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if _, err := os.Stat(uploadDir); os.IsNotExist(err) {
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if err := os.Mkdir(uploadDir, os.ModePerm); err != nil {
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return err
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}
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}
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return nil
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}
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func updateIndex(index int, fileID string) {
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db.DB.Table("files_uploadeds").Where("file_id = ?", fileID).Updates(map[string]interface{}{
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"Uploaded": index,
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})
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}
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func handleCookieError(w http.ResponseWriter, r *http.Request, err error) {
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if errors.Is(err, http.ErrNoCookie) {
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http.Redirect(w, r, "/signin", http.StatusSeeOther)
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return
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}
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handleError(w, err, http.StatusInternalServerError)
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}
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func handleError(w http.ResponseWriter, err error, status int) {
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http.Error(w, err.Error(), status)
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log.Error(err.Error())
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}
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