e6b3be4608
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>
96 lines
2.8 KiB
Go
96 lines
2.8 KiB
Go
// Copyright 2018 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 git
|
|
|
|
import (
|
|
"regexp"
|
|
"strings"
|
|
)
|
|
|
|
const (
|
|
// RemotePrefix is the base directory of the remotes information of git.
|
|
RemotePrefix = "refs/remotes/"
|
|
// PullPrefix is the base directory of the pull information of git.
|
|
PullPrefix = "refs/pull/"
|
|
|
|
pullLen = len(PullPrefix)
|
|
)
|
|
|
|
// refNamePatternInvalid is regular expression with unallowed characters in git reference name
|
|
// They cannot have ASCII control characters (i.e. bytes whose values are lower than \040, or \177 DEL), space, tilde ~, caret ^, or colon : anywhere.
|
|
// They cannot have question-mark ?, asterisk *, or open bracket [ anywhere
|
|
var refNamePatternInvalid = regexp.MustCompile(
|
|
`[\000-\037\177 \\~^:?*[]|` + // No absolutely invalid characters
|
|
`(?:^[/.])|` + // Not HasPrefix("/") or "."
|
|
`(?:/\.)|` + // no "/."
|
|
`(?:\.lock$)|(?:\.lock/)|` + // No ".lock/"" or ".lock" at the end
|
|
`(?:\.\.)|` + // no ".." anywhere
|
|
`(?://)|` + // no "//" anywhere
|
|
`(?:@{)|` + // no "@{"
|
|
`(?:[/.]$)|` + // no terminal '/' or '.'
|
|
`(?:^@$)`) // Not "@"
|
|
|
|
// IsValidRefPattern ensures that the provided string could be a valid reference
|
|
func IsValidRefPattern(name string) bool {
|
|
return !refNamePatternInvalid.MatchString(name)
|
|
}
|
|
|
|
func SanitizeRefPattern(name string) string {
|
|
return refNamePatternInvalid.ReplaceAllString(name, "_")
|
|
}
|
|
|
|
// Reference represents a Git ref.
|
|
type Reference struct {
|
|
Name string
|
|
repo *Repository
|
|
Object SHA1 // The id of this commit object
|
|
Type string
|
|
}
|
|
|
|
// Commit return the commit of the reference
|
|
func (ref *Reference) Commit() (*Commit, error) {
|
|
return ref.repo.getCommit(ref.Object)
|
|
}
|
|
|
|
// ShortName returns the short name of the reference
|
|
func (ref *Reference) ShortName() string {
|
|
if ref == nil {
|
|
return ""
|
|
}
|
|
if strings.HasPrefix(ref.Name, BranchPrefix) {
|
|
return strings.TrimPrefix(ref.Name, BranchPrefix)
|
|
}
|
|
if strings.HasPrefix(ref.Name, TagPrefix) {
|
|
return strings.TrimPrefix(ref.Name, TagPrefix)
|
|
}
|
|
if strings.HasPrefix(ref.Name, RemotePrefix) {
|
|
return strings.TrimPrefix(ref.Name, RemotePrefix)
|
|
}
|
|
if strings.HasPrefix(ref.Name, PullPrefix) && strings.IndexByte(ref.Name[pullLen:], '/') > -1 {
|
|
return ref.Name[pullLen : strings.IndexByte(ref.Name[pullLen:], '/')+pullLen]
|
|
}
|
|
|
|
return ref.Name
|
|
}
|
|
|
|
// RefGroup returns the group type of the reference
|
|
func (ref *Reference) RefGroup() string {
|
|
if ref == nil {
|
|
return ""
|
|
}
|
|
if strings.HasPrefix(ref.Name, BranchPrefix) {
|
|
return "heads"
|
|
}
|
|
if strings.HasPrefix(ref.Name, TagPrefix) {
|
|
return "tags"
|
|
}
|
|
if strings.HasPrefix(ref.Name, RemotePrefix) {
|
|
return "remotes"
|
|
}
|
|
if strings.HasPrefix(ref.Name, PullPrefix) && strings.IndexByte(ref.Name[pullLen:], '/') > -1 {
|
|
return "pull"
|
|
}
|
|
return ""
|
|
}
|