morffix/server/upload.go
2024-06-23 04:16:14 +02:00

129 lines
3.9 KiB
Go

package server
import (
"encoding/base64"
"errors"
"io"
"log/slog"
"net/http"
"os"
"path/filepath"
"git.lastassault.de/speatzle/morffix/constants"
)
func handleUpload(w http.ResponseWriter, r *http.Request) {
if r.Header.Get(constants.SHARED_SECRET_HEADER) != conf.SharedSecret {
w.WriteHeader(http.StatusUnauthorized)
return
}
id := r.PathValue("id")
if id == "" {
http.Error(w, "No id", http.StatusBadRequest)
return
}
var count int
err := db.QueryRow(r.Context(), "SELECT COUNT(*) FROM tasks WHERE file_id = $1 AND worker_id = $2", id, r.Header.Get(constants.UUID_HEADER)).Scan(&count)
if err != nil {
slog.ErrorContext(r.Context(), "Query Task Count", "err", err)
http.Error(w, "Error Query Task Count: "+err.Error(), http.StatusInternalServerError)
return
}
if count < 1 {
slog.ErrorContext(r.Context(), "No Running Task for file", "id", id)
http.Error(w, "No Running Task for file: "+id, http.StatusBadRequest)
return
}
hash, err := base64.StdEncoding.DecodeString(r.Header.Get(constants.HASH_HEADER))
if err != nil {
slog.ErrorContext(r.Context(), "Decode Hash", "err", err)
http.Error(w, "Decode Hash: "+err.Error(), http.StatusBadRequest)
return
}
var fPath string
var libraryID int
err = db.QueryRow(r.Context(), "SELECT path, library_id FROM files WHERE id = $1", id).Scan(&fPath, &libraryID)
if err != nil {
slog.ErrorContext(r.Context(), "Query File Path", "err", err)
http.Error(w, "Error Query File Path: "+err.Error(), http.StatusInternalServerError)
return
}
var lPath string
var tPath string
var tReplace bool
err = db.QueryRow(r.Context(), "SELECT path, transcode_path, transcode_replace FROM libraries WHERE id = $1", libraryID).Scan(&lPath, &tPath, &tReplace)
if err != nil {
slog.ErrorContext(r.Context(), "Query Library Path", "err", err)
http.Error(w, "Error Query Library Path: "+err.Error(), http.StatusInternalServerError)
return
}
var path string
if tReplace {
//path = filepath.Join(lPath, fPath)
slog.ErrorContext(r.Context(), "Replace mode is not implemented")
http.Error(w, "Replace mode is not implemented", http.StatusNotImplemented)
return
} else {
path = filepath.Join(tPath, fPath)
}
slog.InfoContext(r.Context(), "Starting multipart Parsing for file", "id", id, "path", path)
err = r.ParseMultipartForm(100 << 20)
if err != nil {
slog.ErrorContext(r.Context(), "Parse Multipart Form", "err", err)
http.Error(w, "Parse Multipart Form: "+err.Error(), http.StatusInternalServerError)
return
}
srcFile, _, err := r.FormFile(constants.FORM_FILE_KEY)
if err != nil {
slog.ErrorContext(r.Context(), "Parse Multipart Form", "err", err)
http.Error(w, "Parse Multipart Form: "+err.Error(), http.StatusInternalServerError)
return
}
src := http.MaxBytesReader(w, srcFile, 1000000<<20)
// MaxBytesReader closes the underlying io.Reader on its Close() is called
defer src.Close()
err = os.MkdirAll(filepath.Dir(path), 0775)
if err != nil {
slog.ErrorContext(r.Context(), "Creating Folder", "err", err)
http.Error(w, "Creating Folder: "+err.Error(), http.StatusInternalServerError)
return
}
out, err := os.Create(path)
if err != nil {
slog.ErrorContext(r.Context(), "Creating File", "err", err)
http.Error(w, "Creating File: "+err.Error(), http.StatusInternalServerError)
return
}
defer out.Close()
written, err := io.Copy(out, src)
if err != nil {
var maxBytesError *http.MaxBytesError
if errors.As(err, &maxBytesError) {
slog.ErrorContext(r.Context(), "Parse Multipart Form", "err", err)
http.Error(w, "Parse Multipart Form: "+err.Error(), http.StatusRequestEntityTooLarge)
return
}
slog.ErrorContext(r.Context(), "Failed to write the uploaded content", "err", err)
http.Error(w, "Failed to write the uploaded content: "+err.Error(), http.StatusInternalServerError)
return
}
// TODO check file integrity
_ = hash
slog.InfoContext(r.Context(), "upload done", "written", written)
}