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fileserver: Fix handling of symlink sizes in directory listings (#4415)

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This commit is contained in:
Jeremy Lin 2021-11-22 13:59:09 -08:00 • committed by GitHub
parent eead337324
commit c8b5a81607
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2 changed files with 13 additions and 13 deletions
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19
modules/caddyhttp/fileserver/browsetplcontext.go
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@ -24,10 +24,11 @@ import (
"time"
"github.com/caddyserver/caddy/v2"
"github.com/caddyserver/caddy/v2/modules/caddyhttp"
"github.com/dustin/go-humanize"
)
func (fsrv *FileServer) directoryListing(files []os.FileInfo, canGoUp bool, root, urlPath string, repl *caddy.Replacer) (browseTemplateContext, error) {
func (fsrv *FileServer) directoryListing(files []os.FileInfo, canGoUp bool, root, urlPath string, repl *caddy.Replacer) browseTemplateContext {
filesToHide := fsrv.transformHidePaths(repl)
var dirCount, fileCount int
@ -52,14 +53,18 @@ func (fsrv *FileServer) directoryListing(files []os.FileInfo, canGoUp bool, root
fileCount++
}
fileIsSymlink := isSymlink(f)
size := f.Size()
fileIsSymlink := isSymlink(f)
if fileIsSymlink {
info, err := os.Stat(name)
if err != nil {
return browseTemplateContext{}, err
path := caddyhttp.SanitizedPathJoin(root, path.Join(urlPath, f.Name()))
fileInfo, err := os.Stat(path)
if err == nil {
size = fileInfo.Size()
}
size = info.Size()
// An error most likely means the symlink target doesn't exist,
// which isn't entirely unusual and shouldn't fail the listing.
// In this case, just use the size of the symlink itself, which
// was already set above.
}
fileInfos = append(fileInfos, fileInfo{
@ -80,7 +85,7 @@ func (fsrv *FileServer) directoryListing(files []os.FileInfo, canGoUp bool, root
Items: fileInfos,
NumDirs: dirCount,
NumFiles: fileCount,
}, nil
}
}
// browseTemplateContext provides the template context for directory listings.