99 lines
2.5 KiB
Go
99 lines
2.5 KiB
Go
package uploadHandler
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import (
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"fmt"
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"github.com/fossyy/filekeeper/app"
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"github.com/fossyy/filekeeper/types"
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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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"strings"
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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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w.WriteHeader(http.StatusInternalServerError)
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return
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}
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userSession := r.Context().Value("user").(types.User)
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uploadDir := "uploads"
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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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app.Server.Logger.Error("error getting upload info: " + err.Error())
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w.WriteHeader(http.StatusInternalServerError)
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return
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}
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}
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file, err := app.Server.Service.GetFile(fileID)
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if err != nil {
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app.Server.Logger.Error("error getting upload info: " + err.Error())
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w.WriteHeader(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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currentDir, err := os.Getwd()
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if err != nil {
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app.Server.Logger.Error("unable to get current directory")
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w.WriteHeader(http.StatusInternalServerError)
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return
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}
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basePath := filepath.Join(currentDir, uploadDir)
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cleanBasePath := filepath.Clean(basePath)
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saveFolder := filepath.Join(cleanBasePath, userSession.UserID.String(), file.ID.String())
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cleanSaveFolder := filepath.Clean(saveFolder)
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if !strings.HasPrefix(cleanSaveFolder, cleanBasePath) {
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app.Server.Logger.Error("invalid path")
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w.WriteHeader(http.StatusInternalServerError)
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return
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}
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if _, err := os.Stat(saveFolder); os.IsNotExist(err) {
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if err := os.MkdirAll(saveFolder, os.ModePerm); err != nil {
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app.Server.Logger.Error("error creating save folder: " + err.Error())
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w.WriteHeader(http.StatusInternalServerError)
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return
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}
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}
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fileByte, _, err := r.FormFile("chunk")
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if err != nil {
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app.Server.Logger.Error("error getting upload info: " + err.Error())
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w.WriteHeader(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, fmt.Sprintf("chunk_%d", index)), os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0666)
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if err != nil {
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app.Server.Logger.Error("error making upload folder: " + err.Error())
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w.WriteHeader(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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app.Server.Logger.Error("error copying byte to file dst: " + err.Error())
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w.WriteHeader(http.StatusInternalServerError)
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return
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}
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w.WriteHeader(http.StatusAccepted)
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return
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}
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