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fileserver: Preserve transformed root (fix #3838)

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This commit is contained in:
Matthew Holt 2020-11-24 12:24:44 -07:00
parent c5197f5999
commit 0a7721dcfe
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GPG key ID: 2A349DD577D586A5
3 changed files with 8 additions and 8 deletions
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10
modules/caddyhttp/fileserver/browse.go
View file

@ -35,7 +35,7 @@ type Browse struct {
template *template.Template
}
func (fsrv *FileServer) serveBrowse(dirPath string, w http.ResponseWriter, r *http.Request, next caddyhttp.Handler) error {
func (fsrv *FileServer) serveBrowse(root, dirPath string, w http.ResponseWriter, r *http.Request, next caddyhttp.Handler) error {
// navigation on the client-side gets messed up if the
// URL doesn't end in a trailing slash because hrefs like
// "/b/c" on a path like "/a" end up going to "/b/c" instead
@ -55,7 +55,7 @@ func (fsrv *FileServer) serveBrowse(dirPath string, w http.ResponseWriter, r *ht
repl := r.Context().Value(caddy.ReplacerCtxKey).(*caddy.Replacer)
// calling path.Clean here prevents weird breadcrumbs when URL paths are sketchy like /%2e%2e%2f
listing, err := fsrv.loadDirectoryContents(dir, path.Clean(r.URL.Path), repl)
listing, err := fsrv.loadDirectoryContents(dir, root, path.Clean(r.URL.Path), repl)
switch {
case os.IsPermission(err):
return caddyhttp.Error(http.StatusForbidden, err)
@ -87,7 +87,7 @@ func (fsrv *FileServer) serveBrowse(dirPath string, w http.ResponseWriter, r *ht
return nil
}
func (fsrv *FileServer) loadDirectoryContents(dir *os.File, urlPath string, repl *caddy.Replacer) (browseListing, error) {
func (fsrv *FileServer) loadDirectoryContents(dir *os.File, root, urlPath string, repl *caddy.Replacer) (browseListing, error) {
files, err := dir.Readdir(-1)
if err != nil {
return browseListing{}, err
@ -95,9 +95,9 @@ func (fsrv *FileServer) loadDirectoryContents(dir *os.File, urlPath string, repl
// determine if user can browse up another folder
curPathDir := path.Dir(strings.TrimSuffix(urlPath, "/"))
canGoUp := strings.HasPrefix(curPathDir, fsrv.Root)
canGoUp := strings.HasPrefix(curPathDir, root)
return fsrv.directoryListing(files, canGoUp, urlPath, repl), nil
return fsrv.directoryListing(files, canGoUp, root, urlPath, repl), nil
}
// browseApplyQueryParams applies query parameters to the listing.

4
modules/caddyhttp/fileserver/browselisting.go
View file

@ -27,7 +27,7 @@ import (
"github.com/dustin/go-humanize"
)
func (fsrv *FileServer) directoryListing(files []os.FileInfo, canGoUp bool, urlPath string, repl *caddy.Replacer) browseListing {
func (fsrv *FileServer) directoryListing(files []os.FileInfo, canGoUp bool, root, urlPath string, repl *caddy.Replacer) browseListing {
filesToHide := fsrv.transformHidePaths(repl)
var dirCount, fileCount int
@ -40,7 +40,7 @@ func (fsrv *FileServer) directoryListing(files []os.FileInfo, canGoUp bool, urlP
continue
}
isDir := f.IsDir() || isSymlinkTargetDir(f, fsrv.Root, urlPath)
isDir := f.IsDir() || isSymlinkTargetDir(f, root, urlPath)
if isDir {
name += "/"

2
modules/caddyhttp/fileserver/staticfiles.go
View file

@ -184,7 +184,7 @@ func (fsrv *FileServer) ServeHTTP(w http.ResponseWriter, r *http.Request, next c
// to browse or return an error
if info.IsDir() {
if fsrv.Browse != nil && !fileHidden(filename, filesToHide) {
return fsrv.serveBrowse(filename, w, r, next)
return fsrv.serveBrowse(root, filename, w, r, next)
}
return fsrv.notFound(w, r, next)
}