53 lines
1.4 KiB
Go
53 lines
1.4 KiB
Go
package downloadFileHandler
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import (
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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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)
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func GET(w http.ResponseWriter, r *http.Request) {
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fileID := r.PathValue("id")
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file, err := app.Server.Database.GetFile(fileID)
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if err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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app.Server.Logger.Error(err.Error())
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return
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}
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uploadDir := "uploads"
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currentDir, _ := os.Getwd()
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basePath := filepath.Join(currentDir, uploadDir)
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saveFolder := filepath.Join(basePath, file.OwnerID.String(), file.ID.String())
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if filepath.Dir(saveFolder) != filepath.Join(basePath, file.OwnerID.String()) {
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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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w.Header().Set("Content-Disposition", "attachment; filename="+file.Name)
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w.Header().Set("Content-Type", "application/octet-stream")
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for i := 0; i <= int(file.TotalChunk)-1; i++ {
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chunkPath := filepath.Join(saveFolder, file.Name, fmt.Sprintf("chunk_%d", i))
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chunkFile, err := os.Open(chunkPath)
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if err != nil {
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http.Error(w, fmt.Sprintf("Error opening chunk: %v", err), http.StatusInternalServerError)
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app.Server.Logger.Error(err.Error())
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return
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}
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_, err = io.Copy(w, chunkFile)
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chunkFile.Close()
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if err != nil {
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http.Error(w, fmt.Sprintf("Error writing chunk: %v", err), http.StatusInternalServerError)
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app.Server.Logger.Error(err.Error())
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return
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}
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}
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}
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