mirror of
https://github.com/go-gitea/gitea
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a666829a37
* Move user related model into models/user * Fix lint for windows * Fix windows lint * Fix windows lint * Move some tests in models * Merge
91 lines
2.4 KiB
Go
91 lines
2.4 KiB
Go
// Copyright 2021 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 db
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import (
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"errors"
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"fmt"
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"regexp"
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"strings"
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"unicode/utf8"
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)
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var (
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// ErrNameEmpty name is empty error
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ErrNameEmpty = errors.New("Name is empty")
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// AlphaDashDotPattern characters prohibited in a user name (anything except A-Za-z0-9_.-)
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AlphaDashDotPattern = regexp.MustCompile(`[^\w-\.]`)
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)
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// ErrNameReserved represents a "reserved name" error.
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type ErrNameReserved struct {
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Name string
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}
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// IsErrNameReserved checks if an error is a ErrNameReserved.
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func IsErrNameReserved(err error) bool {
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_, ok := err.(ErrNameReserved)
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return ok
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}
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func (err ErrNameReserved) Error() string {
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return fmt.Sprintf("name is reserved [name: %s]", err.Name)
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}
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// ErrNamePatternNotAllowed represents a "pattern not allowed" error.
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type ErrNamePatternNotAllowed struct {
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Pattern string
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}
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// IsErrNamePatternNotAllowed checks if an error is an ErrNamePatternNotAllowed.
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func IsErrNamePatternNotAllowed(err error) bool {
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_, ok := err.(ErrNamePatternNotAllowed)
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return ok
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}
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func (err ErrNamePatternNotAllowed) Error() string {
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return fmt.Sprintf("name pattern is not allowed [pattern: %s]", err.Pattern)
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}
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// ErrNameCharsNotAllowed represents a "character not allowed in name" error.
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type ErrNameCharsNotAllowed struct {
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Name string
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}
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// IsErrNameCharsNotAllowed checks if an error is an ErrNameCharsNotAllowed.
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func IsErrNameCharsNotAllowed(err error) bool {
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_, ok := err.(ErrNameCharsNotAllowed)
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return ok
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}
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func (err ErrNameCharsNotAllowed) Error() string {
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return fmt.Sprintf("User name is invalid [%s]: must be valid alpha or numeric or dash(-_) or dot characters", err.Name)
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}
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// IsUsableName checks if name is reserved or pattern of name is not allowed
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// based on given reserved names and patterns.
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// Names are exact match, patterns can be prefix or suffix match with placeholder '*'.
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func IsUsableName(names, patterns []string, name string) error {
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name = strings.TrimSpace(strings.ToLower(name))
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if utf8.RuneCountInString(name) == 0 {
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return ErrNameEmpty
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}
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for i := range names {
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if name == names[i] {
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return ErrNameReserved{name}
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}
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}
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for _, pat := range patterns {
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if pat[0] == '*' && strings.HasSuffix(name, pat[1:]) ||
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(pat[len(pat)-1] == '*' && strings.HasPrefix(name, pat[:len(pat)-1])) {
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return ErrNamePatternNotAllowed{pat}
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}
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}
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return nil
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}
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