65 lines
1.4 KiB
Go
65 lines
1.4 KiB
Go
package handlers
|
|
|
|
import (
|
|
"errors"
|
|
"log"
|
|
"net/http"
|
|
"strings"
|
|
|
|
"github.com/spotdemo4/trevstack/server/internal/interceptors"
|
|
"github.com/spotdemo4/trevstack/server/internal/models"
|
|
"gorm.io/gorm"
|
|
)
|
|
|
|
type FileHandler struct {
|
|
db *gorm.DB
|
|
key []byte
|
|
}
|
|
|
|
func (h *FileHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
|
|
userid, ok := interceptors.GetUserContext(r.Context())
|
|
if !ok {
|
|
http.Redirect(w, r, "/auth", http.StatusFound)
|
|
return
|
|
}
|
|
|
|
// Get the file id from the path
|
|
pathItems := strings.Split(r.URL.Path, "/")
|
|
if len(pathItems) < 3 {
|
|
http.Redirect(w, r, "/auth", http.StatusFound)
|
|
return
|
|
}
|
|
id := pathItems[2]
|
|
|
|
// Get the file from the database
|
|
file := models.File{}
|
|
if err := h.db.First(&file, "id = ? AND user_id = ?", id, userid).Error; err != nil {
|
|
if errors.Is(err, gorm.ErrRecordNotFound) {
|
|
http.Error(w, "File not found", http.StatusNotFound)
|
|
return
|
|
}
|
|
|
|
log.Println(err)
|
|
http.Error(w, "Internal Server Error", http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
// Serve the file
|
|
if r.Method == http.MethodGet {
|
|
w.Header().Set("Content-Type", http.DetectContentType(file.Data))
|
|
w.Write(file.Data)
|
|
} else {
|
|
http.Error(w, "Method Not Allowed", http.StatusMethodNotAllowed)
|
|
}
|
|
}
|
|
|
|
func NewFileHandler(db *gorm.DB, key string) http.Handler {
|
|
return interceptors.WithAuthRedirect(
|
|
&FileHandler{
|
|
db: db,
|
|
key: []byte(key),
|
|
},
|
|
key,
|
|
)
|
|
}
|