From 73df946d56c74384511a194dd01dbe099584fd1a Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 15:14:23 +0200 Subject: Adding upstream version 1.16.10. Signed-off-by: Daniel Baumann --- src/cmd/go/internal/web/url_windows.go | 43 ++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 src/cmd/go/internal/web/url_windows.go (limited to 'src/cmd/go/internal/web/url_windows.go') diff --git a/src/cmd/go/internal/web/url_windows.go b/src/cmd/go/internal/web/url_windows.go new file mode 100644 index 0000000..2a65ec8 --- /dev/null +++ b/src/cmd/go/internal/web/url_windows.go @@ -0,0 +1,43 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package web + +import ( + "errors" + "path/filepath" + "strings" +) + +func convertFileURLPath(host, path string) (string, error) { + if len(path) == 0 || path[0] != '/' { + return "", errNotAbsolute + } + + path = filepath.FromSlash(path) + + // We interpret Windows file URLs per the description in + // https://blogs.msdn.microsoft.com/ie/2006/12/06/file-uris-in-windows/. + + // The host part of a file URL (if any) is the UNC volume name, + // but RFC 8089 reserves the authority "localhost" for the local machine. + if host != "" && host != "localhost" { + // A common "legacy" format omits the leading slash before a drive letter, + // encoding the drive letter as the host instead of part of the path. + // (See https://blogs.msdn.microsoft.com/freeassociations/2005/05/19/the-bizarre-and-unhappy-story-of-file-urls/.) + // We do not support that format, but we should at least emit a more + // helpful error message for it. + if filepath.VolumeName(host) != "" { + return "", errors.New("file URL encodes volume in host field: too few slashes?") + } + return `\\` + host + path, nil + } + + // If host is empty, path must contain an initial slash followed by a + // drive letter and path. Remove the slash and verify that the path is valid. + if vol := filepath.VolumeName(path[1:]); vol == "" || strings.HasPrefix(vol, `\\`) { + return "", errors.New("file URL missing drive letter") + } + return path[1:], nil +} -- cgit v1.2.3