mirror of
https://github.com/go-gitea/gitea
synced 2024-12-30 08:54:32 +01:00
f42ec6120e
* Add correct git branch name validation * Change git refname validation error constant name * Implement URL validation based on GoLang url.Parse method * Backward compatibility with older Go compiler * Add git reference name validation unit tests * Remove unused variable in unit test * Implement URL validation based on GoLang url.Parse method * Backward compatibility with older Go compiler * Add url validation unit tests
102 lines
2.5 KiB
Go
102 lines
2.5 KiB
Go
// Copyright 2017 The Gitea Authors. All rights reserved.
|
|
// Use of this source code is governed by a MIT-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package validation
|
|
|
|
import (
|
|
"fmt"
|
|
"net/url"
|
|
"regexp"
|
|
"strings"
|
|
|
|
"github.com/go-macaron/binding"
|
|
)
|
|
|
|
const (
|
|
// ErrGitRefName is git reference name error
|
|
ErrGitRefName = "GitRefNameError"
|
|
)
|
|
|
|
var (
|
|
// GitRefNamePattern is regular expression wirh unallowed characters in git reference name
|
|
GitRefNamePattern = regexp.MustCompile("[^\\d\\w-_\\./]")
|
|
)
|
|
|
|
// AddBindingRules adds additional binding rules
|
|
func AddBindingRules() {
|
|
addGitRefNameBindingRule()
|
|
addValidURLBindingRule()
|
|
}
|
|
|
|
func addGitRefNameBindingRule() {
|
|
// Git refname validation rule
|
|
binding.AddRule(&binding.Rule{
|
|
IsMatch: func(rule string) bool {
|
|
return strings.HasPrefix(rule, "GitRefName")
|
|
},
|
|
IsValid: func(errs binding.Errors, name string, val interface{}) (bool, binding.Errors) {
|
|
str := fmt.Sprintf("%v", val)
|
|
|
|
if GitRefNamePattern.MatchString(str) {
|
|
errs.Add([]string{name}, ErrGitRefName, "GitRefName")
|
|
return false, errs
|
|
}
|
|
// Additional rules as described at https://www.kernel.org/pub/software/scm/git/docs/git-check-ref-format.html
|
|
if strings.HasPrefix(str, "/") || strings.HasSuffix(str, "/") ||
|
|
strings.HasPrefix(str, ".") || strings.HasSuffix(str, ".") ||
|
|
strings.HasSuffix(str, ".lock") ||
|
|
strings.Contains(str, "..") || strings.Contains(str, "//") {
|
|
errs.Add([]string{name}, ErrGitRefName, "GitRefName")
|
|
return false, errs
|
|
}
|
|
|
|
return true, errs
|
|
},
|
|
})
|
|
}
|
|
|
|
func addValidURLBindingRule() {
|
|
// URL validation rule
|
|
binding.AddRule(&binding.Rule{
|
|
IsMatch: func(rule string) bool {
|
|
return strings.HasPrefix(rule, "ValidUrl")
|
|
},
|
|
IsValid: func(errs binding.Errors, name string, val interface{}) (bool, binding.Errors) {
|
|
str := fmt.Sprintf("%v", val)
|
|
if len(str) != 0 {
|
|
if u, err := url.ParseRequestURI(str); err != nil ||
|
|
(u.Scheme != "http" && u.Scheme != "https") ||
|
|
!validPort(portOnly(u.Host)) {
|
|
errs.Add([]string{name}, binding.ERR_URL, "Url")
|
|
return false, errs
|
|
}
|
|
}
|
|
|
|
return true, errs
|
|
},
|
|
})
|
|
}
|
|
|
|
func portOnly(hostport string) string {
|
|
colon := strings.IndexByte(hostport, ':')
|
|
if colon == -1 {
|
|
return ""
|
|
}
|
|
if i := strings.Index(hostport, "]:"); i != -1 {
|
|
return hostport[i+len("]:"):]
|
|
}
|
|
if strings.Contains(hostport, "]") {
|
|
return ""
|
|
}
|
|
return hostport[colon+len(":"):]
|
|
}
|
|
|
|
func validPort(p string) bool {
|
|
for _, r := range []byte(p) {
|
|
if r < '0' || r > '9' {
|
|
return false
|
|
}
|
|
}
|
|
return true
|
|
}
|