1f349/bluebell
4
0
Fork 0
mirror of https://github.com/1f349/site-hosting.git synced 2025-01-21 06:36:33 +00:00
Code Issues Packages Projects Releases Wiki Activity

Use userSafeErrorf to protect system paths

Browse Source
This commit is contained in:
Melon 2025-01-19 00:24:37 +00:00
parent cbf6878c13
commit d655cc7bb4
Signed by: melon
GPG Key ID: 6C9D970C50D26A25
1 changed files with 29 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
upload/upload.go
View File

@ -9,6 +9,7 @@ import (
"fmt"
"github.com/1f349/bluebell/database"
"github.com/1f349/bluebell/hook"
"github.com/1f349/bluebell/logger"
"github.com/1f349/bluebell/validation"
"github.com/1f349/syncmap"
"github.com/dustin/go-humanize"
@ -97,7 +98,7 @@ func (h *Handler) extractTarGzUpload(fileData io.Reader, site, branch string) er
_, err := h.db.GetSiteByDomain(context.Background(), site)
if err != nil {
return fmt.Errorf("invalid site: %w", err)
return userSafeErrorf("invalid site: %w", err)
}
key := site + "@" + branch
@ -120,23 +121,23 @@ func (h *Handler) extractTarGzUpload(fileData io.Reader, site, branch string) er
// try the new "old@[...]" and old "@[...].old" paths
err = h.storageFs.RemoveAll(siteBranchPath + ".old")
if err != nil && !errors.Is(err, fs.ErrNotExist) {
return fmt.Errorf("failed to remove old site branch %s: %w", siteBranchPath, err)
return userSafeErrorf("failed to remove old site branch %s: %w", siteBranchPath, err)
}
err = h.storageFs.RemoveAll(siteBranchOldPath)
if err != nil && !errors.Is(err, fs.ErrNotExist) {
return fmt.Errorf("failed to remove old site branch %s: %w", siteBranchPath, err)
return userSafeErrorf("failed to remove old site branch %s: %w", siteBranchPath, err)
}
err = h.storageFs.MkdirAll(siteBranchWorkPath, fs.ModePerm)
if err != nil {
return fmt.Errorf("failed to make site directory: %w", err)
return userSafeErrorf("failed to make site directory: %w", err)
}
branchFs := afero.NewBasePathFs(h.storageFs, siteBranchWorkPath)
// decompress gzip wrapper
gzipReader, err := gzip.NewReader(fileData)
if err != nil {
return fmt.Errorf("invalid gzip file: %w", err)
return userSafeErrorf("invalid gzip file: %w", err)
}
// parse tar encoding
@ -148,22 +149,26 @@ func (h *Handler) extractTarGzUpload(fileData io.Reader, site, branch string) er
break
}
if err != nil {
return fmt.Errorf("invalid tar archive: %w", err)
return userSafeErrorf("invalid tar archive: %w", err)
}
err = branchFs.MkdirAll(filepath.Dir(next.Name), fs.ModePerm)
if err != nil {
return fmt.Errorf("failed to make directory tree: %w", err)
return userSafeErrorf("failed to make directory tree: %w", err)
}
if next.FileInfo().IsDir() {
continue
}
create, err := branchFs.Create(next.Name)
if err != nil {
return fmt.Errorf("failed to create output file: '%s': %w", next.Name, err)
return userSafeErrorf("failed to create output file: '%s': %w", next.Name, err)
}
_, err = io.Copy(create, tarReader)
if err != nil {
return fmt.Errorf("failed to copy from archive to output file: '%s': %w", next.Name, err)
return userSafeErrorf("failed to copy from archive to output file: '%s': %w", next.Name, err)
}
}
@ -177,12 +182,12 @@ func (h *Handler) extractTarGzUpload(fileData io.Reader, site, branch string) er
err = h.storageFs.Rename(siteBranchPath, siteBranchOldPath)
if err != nil && !errors.Is(err, fs.ErrNotExist) {
return fmt.Errorf("failed to save an old copy of the site: %w", err)
return userSafeErrorf("failed to save an old copy of the site: %w", err)
}
err = h.storageFs.Rename(siteBranchWorkPath, siteBranchPath)
if err != nil && !errors.Is(err, fs.ErrNotExist) {
return fmt.Errorf("failed to save an old copy of the site: %w", err)
return userSafeErrorf("failed to save an old copy of the site: %w", err)
}
n := time.Now().UTC()
@ -202,3 +207,16 @@ func (h *Handler) extractTarGzUpload(fileData io.Reader, site, branch string) er
}
return nil
}
func userSafeErrorf(format string, args ...any) error {
logger.Logger.Helper()
logger.Logger.Error(fmt.Errorf(format, args))
for i := range args {
if _, ok := args[i].(error); ok {
args[i] = "[Internal Server Error]"
}
}
return fmt.Errorf(format, args)
}