mirror of
https://github.com/go-gitea/gitea
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When migrating add several more important sanity checks: * SHAs must be SHAs * Refs must be valid Refs * URLs must be reasonable Signed-off-by: Andrew Thornton <art27@cantab.net> Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: techknowlogick <matti@mdranta.net>
173 lines
4.0 KiB
Go
173 lines
4.0 KiB
Go
// Copyright 2017 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package validation
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import (
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"fmt"
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"regexp"
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"strings"
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"code.gitea.io/gitea/modules/git"
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"gitea.com/go-chi/binding"
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"github.com/gobwas/glob"
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)
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const (
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// ErrGitRefName is git reference name error
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ErrGitRefName = "GitRefNameError"
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// ErrGlobPattern is returned when glob pattern is invalid
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ErrGlobPattern = "GlobPattern"
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// ErrRegexPattern is returned when a regex pattern is invalid
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ErrRegexPattern = "RegexPattern"
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)
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// AddBindingRules adds additional binding rules
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func AddBindingRules() {
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addGitRefNameBindingRule()
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addValidURLBindingRule()
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addValidSiteURLBindingRule()
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addGlobPatternRule()
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addRegexPatternRule()
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addGlobOrRegexPatternRule()
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}
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func addGitRefNameBindingRule() {
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// Git refname validation rule
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binding.AddRule(&binding.Rule{
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IsMatch: func(rule string) bool {
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return strings.HasPrefix(rule, "GitRefName")
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},
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IsValid: func(errs binding.Errors, name string, val interface{}) (bool, binding.Errors) {
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str := fmt.Sprintf("%v", val)
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if !git.IsValidRefPattern(str) {
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errs.Add([]string{name}, ErrGitRefName, "GitRefName")
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return false, errs
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}
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return true, errs
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},
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})
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}
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func addValidURLBindingRule() {
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// URL validation rule
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binding.AddRule(&binding.Rule{
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IsMatch: func(rule string) bool {
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return strings.HasPrefix(rule, "ValidUrl")
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},
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IsValid: func(errs binding.Errors, name string, val interface{}) (bool, binding.Errors) {
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str := fmt.Sprintf("%v", val)
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if len(str) != 0 && !IsValidURL(str) {
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errs.Add([]string{name}, binding.ERR_URL, "Url")
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return false, errs
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}
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return true, errs
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},
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})
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}
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func addValidSiteURLBindingRule() {
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// URL validation rule
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binding.AddRule(&binding.Rule{
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IsMatch: func(rule string) bool {
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return strings.HasPrefix(rule, "ValidSiteUrl")
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},
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IsValid: func(errs binding.Errors, name string, val interface{}) (bool, binding.Errors) {
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str := fmt.Sprintf("%v", val)
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if len(str) != 0 && !IsValidSiteURL(str) {
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errs.Add([]string{name}, binding.ERR_URL, "Url")
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return false, errs
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}
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return true, errs
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},
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})
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}
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func addGlobPatternRule() {
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binding.AddRule(&binding.Rule{
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IsMatch: func(rule string) bool {
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return rule == "GlobPattern"
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},
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IsValid: globPatternValidator,
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})
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}
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func globPatternValidator(errs binding.Errors, name string, val interface{}) (bool, binding.Errors) {
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str := fmt.Sprintf("%v", val)
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if len(str) != 0 {
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if _, err := glob.Compile(str); err != nil {
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errs.Add([]string{name}, ErrGlobPattern, err.Error())
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return false, errs
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}
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}
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return true, errs
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}
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func addRegexPatternRule() {
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binding.AddRule(&binding.Rule{
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IsMatch: func(rule string) bool {
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return rule == "RegexPattern"
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},
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IsValid: regexPatternValidator,
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})
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}
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func regexPatternValidator(errs binding.Errors, name string, val interface{}) (bool, binding.Errors) {
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str := fmt.Sprintf("%v", val)
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if _, err := regexp.Compile(str); err != nil {
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errs.Add([]string{name}, ErrRegexPattern, err.Error())
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return false, errs
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}
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return true, errs
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}
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func addGlobOrRegexPatternRule() {
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binding.AddRule(&binding.Rule{
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IsMatch: func(rule string) bool {
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return rule == "GlobOrRegexPattern"
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},
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IsValid: func(errs binding.Errors, name string, val interface{}) (bool, binding.Errors) {
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str := strings.TrimSpace(fmt.Sprintf("%v", val))
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if len(str) >= 2 && strings.HasPrefix(str, "/") && strings.HasSuffix(str, "/") {
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return regexPatternValidator(errs, name, str[1:len(str)-1])
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}
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return globPatternValidator(errs, name, val)
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},
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})
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}
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func portOnly(hostport string) string {
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colon := strings.IndexByte(hostport, ':')
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if colon == -1 {
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return ""
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}
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if i := strings.Index(hostport, "]:"); i != -1 {
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return hostport[i+len("]:"):]
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}
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if strings.Contains(hostport, "]") {
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return ""
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}
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return hostport[colon+len(":"):]
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}
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func validPort(p string) bool {
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for _, r := range []byte(p) {
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if r < '0' || r > '9' {
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return false
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}
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}
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return true
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}
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