145 lines
3.8 KiB
Go
145 lines
3.8 KiB
Go
package initialisation
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import (
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"encoding/json"
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"errors"
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"fmt"
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"github.com/fossyy/filekeeper/app"
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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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"github.com/fossyy/filekeeper/types"
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"github.com/fossyy/filekeeper/types/models"
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"github.com/google/uuid"
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"gorm.io/gorm"
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)
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func POST(w http.ResponseWriter, r *http.Request) {
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userSession := r.Context().Value("user").(types.User)
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body, err := io.ReadAll(r.Body)
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if err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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return
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}
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var fileInfo types.FileInfo
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if err := json.Unmarshal(body, &fileInfo); err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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return
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}
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fileData, err := app.Server.Service.GetUserFile(fileInfo.Name, userSession.UserID.String())
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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upload, err := handleNewUpload(userSession, fileInfo)
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if err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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return
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}
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fileData = &types.FileWithDetail{
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ID: fileData.ID,
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OwnerID: fileData.OwnerID,
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Name: fileData.Name,
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Size: fileData.Size,
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Downloaded: fileData.Downloaded,
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}
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fileData.Chunk = make(map[string]bool)
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fileData.Done = true
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saveFolder := filepath.Join("uploads", userSession.UserID.String(), fileData.ID.String(), fileData.Name)
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for i := 0; i <= int(fileInfo.Chunk-1); i++ {
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fileName := fmt.Sprintf("%s/chunk_%d", saveFolder, i)
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if _, err := os.Stat(fileName); os.IsNotExist(err) {
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fileData.Chunk[fmt.Sprintf("chunk_%d", i)] = false
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fileData.Done = false
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} else {
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fileData.Chunk[fmt.Sprintf("chunk_%d", i)] = true
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}
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}
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respondJSON(w, upload)
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return
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}
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respondErrorJSON(w, err, http.StatusInternalServerError)
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return
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}
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fileData.Chunk = make(map[string]bool)
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fileData.Done = true
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saveFolder := filepath.Join("uploads", userSession.UserID.String(), fileData.ID.String(), fileData.Name)
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for i := 0; i <= int(fileInfo.Chunk-1); i++ {
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fileName := fmt.Sprintf("%s/chunk_%d", saveFolder, i)
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if _, err := os.Stat(fileName); os.IsNotExist(err) {
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fileData.Chunk[fmt.Sprintf("chunk_%d", i)] = false
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fileData.Done = false
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} else {
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fileData.Chunk[fmt.Sprintf("chunk_%d", i)] = true
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}
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}
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respondJSON(w, fileData)
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}
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func handleNewUpload(user types.User, file types.FileInfo) (models.File, error) {
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uploadDir := "uploads"
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if _, err := os.Stat(uploadDir); os.IsNotExist(err) {
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app.Server.Logger.Error(err.Error())
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err := os.Mkdir(uploadDir, os.ModePerm)
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if err != nil {
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app.Server.Logger.Error(err.Error())
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return models.File{}, err
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}
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}
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fileID := uuid.New()
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ownerID := user.UserID
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currentDir, _ := os.Getwd()
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basePath := filepath.Join(currentDir, uploadDir)
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saveFolder := filepath.Join(basePath, ownerID.String(), fileID.String())
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if filepath.Dir(saveFolder) != filepath.Join(basePath, ownerID.String()) {
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return models.File{}, errors.New("invalid path")
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}
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err := os.MkdirAll(saveFolder, os.ModePerm)
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if err != nil {
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app.Server.Logger.Error(err.Error())
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return models.File{}, err
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}
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newFile := models.File{
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ID: fileID,
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OwnerID: ownerID,
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Name: file.Name,
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Size: file.Size,
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TotalChunk: file.Chunk - 1,
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Downloaded: 0,
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}
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err = app.Server.Database.CreateFile(&newFile)
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if err != nil {
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app.Server.Logger.Error(err.Error())
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return models.File{}, err
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}
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return newFile, nil
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}
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func respondJSON(w http.ResponseWriter, data interface{}) {
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w.Header().Set("Content-Type", "application/json")
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if err := json.NewEncoder(w).Encode(data); err != nil {
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handleError(w, err, http.StatusInternalServerError)
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}
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}
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func respondErrorJSON(w http.ResponseWriter, err error, statusCode int) {
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w.WriteHeader(statusCode)
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respondJSON(w, map[string]string{"error": err.Error()})
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}
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func handleError(w http.ResponseWriter, err error, statusCode int) {
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http.Error(w, err.Error(), statusCode)
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app.Server.Logger.Error(err.Error())
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}
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