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fix: relative path judgment (close #3130)

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This commit is contained in:
Noah Hsu
2023-01-23 15:50:49 +08:00
parent 28875ce304
commit b42ec3e810
1 changed files with 11 additions and 1 deletions
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12
pkg/utils/path.go
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@ -75,7 +75,17 @@ func EncodePath(path string, all ...bool) string {
} }
func JoinBasePath(basePath, reqPath string) (string, error) { func JoinBasePath(basePath, reqPath string) (string, error) {
if strings.HasSuffix(reqPath, "..") || strings.Contains(reqPath, "../") { /** relative path:
* 1. ..
* 2. ../
* 3. /..
* 4. /../
* 5. /a/b/..
*/
if reqPath == ".." ||
strings.HasSuffix(reqPath, "/..") ||
strings.HasPrefix(reqPath, "../") ||
strings.Contains(reqPath, "/../") {
return "", errs.RelativePath return "", errs.RelativePath
} }
return stdpath.Join(FixAndCleanPath(basePath), FixAndCleanPath(reqPath)), nil return stdpath.Join(FixAndCleanPath(basePath), FixAndCleanPath(reqPath)), nil