SECURITY: protect DeleteFilePost et al with cleanUploadFileName (#5631)

This commit wraps more of the TreePaths with cleanUploadFileName

Signed-off-by: Andrew Thornton <art27@cantab.net>
This commit is contained in:
zeripath 2019-01-04 16:08:26 +00:00 committed by techknowlogick
parent 5a1ea37f57
commit fd1e8563f8

View file

@ -163,7 +163,11 @@ func editFilePost(ctx *context.Context, form auth.EditRepoFileForm, isNewFile bo
branchName = form.NewBranchName
}
form.TreePath = strings.Trim(path.Clean("/"+form.TreePath), " /")
form.TreePath = cleanUploadFileName(form.TreePath)
if len(form.TreePath) == 0 {
ctx.Error(500, "Upload file name is invalid")
return
}
treeNames, treePaths := getParentTreeFields(form.TreePath)
ctx.Data["TreePath"] = form.TreePath
@ -373,6 +377,13 @@ func DeleteFile(ctx *context.Context) {
func DeleteFilePost(ctx *context.Context, form auth.DeleteRepoFileForm) {
ctx.Data["PageIsDelete"] = true
ctx.Data["BranchLink"] = ctx.Repo.RepoLink + "/src/" + ctx.Repo.BranchNameSubURL()
ctx.Repo.TreePath = cleanUploadFileName(ctx.Repo.TreePath)
if len(ctx.Repo.TreePath) == 0 {
ctx.Error(500, "Delete file name is invalid")
return
}
ctx.Data["TreePath"] = ctx.Repo.TreePath
canCommit := renderCommitRights(ctx)
@ -477,7 +488,12 @@ func UploadFilePost(ctx *context.Context, form auth.UploadRepoFileForm) {
branchName = form.NewBranchName
}
form.TreePath = strings.Trim(path.Clean("/"+form.TreePath), " /")
form.TreePath = cleanUploadFileName(form.TreePath)
if len(form.TreePath) == 0 {
ctx.Error(500, "Upload file name is invalid")
return
}
treeNames, treePaths := getParentTreeFields(form.TreePath)
if len(treeNames) == 0 {
// We must at least have one element for user to input.