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// Copyright 2014 The Gogs Authors. All rights reserved.
// Copyright 2019 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 models
import (
"crypto/subtle"
"time"
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/timeutil"
"code.gitea.io/gitea/modules/util"
gouuid "github.com/google/uuid"
)
// AccessToken represents a personal access token.
type AccessToken struct {
ID int64 `xorm:"pk autoincr"`
UID int64 `xorm:"INDEX"`
Name string
Token string `xorm:"-"`
TokenHash string `xorm:"UNIQUE"` // sha256 of token
TokenSalt string
TokenLastEight string `xorm:"token_last_eight"`
CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
UpdatedUnix timeutil.TimeStamp `xorm:"INDEX updated"`
HasRecentActivity bool `xorm:"-"`
HasUsed bool `xorm:"-"`
}
// AfterLoad is invoked from XORM after setting the values of all fields of this object.
func (t *AccessToken) AfterLoad() {
t.HasUsed = t.UpdatedUnix > t.CreatedUnix
t.HasRecentActivity = t.UpdatedUnix.AddDuration(7*24*time.Hour) > timeutil.TimeStampNow()
}
// NewAccessToken creates new access token.
func NewAccessToken(t *AccessToken) error {
salt, err := util.RandomString(10)
if err != nil {
return err
}
t.TokenSalt = salt
t.Token = base.EncodeSha1(gouuid.New().String())
t.TokenHash = hashToken(t.Token, t.TokenSalt)
t.TokenLastEight = t.Token[len(t.Token)-8:]
_, err = x.Insert(t)
return err
}
// GetAccessTokenBySHA returns access token by given token value
func GetAccessTokenBySHA(token string) (*AccessToken, error) {
if token == "" {
return nil, ErrAccessTokenEmpty{}
}
// A token is defined as being SHA1 sum these are 40 hexadecimal bytes long
if len(token) != 40 {
return nil, ErrAccessTokenNotExist{token}
}
for _, x := range []byte(token) {
if x < '0' || (x > '9' && x < 'a') || x > 'f' {
return nil, ErrAccessTokenNotExist{token}
}
}
var tokens []AccessToken
lastEight := token[len(token)-8:]
err := x.Table(&AccessToken{}).Where("token_last_eight = ?", lastEight).Find(&tokens)
if err != nil {
return nil, err
} else if len(tokens) == 0 {
return nil, ErrAccessTokenNotExist{token}
}
for _, t := range tokens {
tempHash := hashToken(token, t.TokenSalt)
if subtle.ConstantTimeCompare([]byte(t.TokenHash), []byte(tempHash)) == 1 {
return &t, nil
}
}
return nil, ErrAccessTokenNotExist{token}
}
// AccessTokenByNameExists checks if a token name has been used already by a user.
func AccessTokenByNameExists(token *AccessToken) (bool, error) {
return x.Table("access_token").Where("name = ?", token.Name).And("uid = ?", token.UID).Exist()
}
// ListAccessTokensOptions contain filter options
type ListAccessTokensOptions struct {
ListOptions
Name string
UserID int64
}
// ListAccessTokens returns a list of access tokens belongs to given user.
func ListAccessTokens(opts ListAccessTokensOptions) ([]*AccessToken, error) {
sess := x.Where("uid=?", opts.UserID)
if len(opts.Name) != 0 {
sess = sess.Where("name=?", opts.Name)
}
sess = sess.Desc("id")
if opts.Page != 0 {
sess = opts.setSessionPagination(sess)
tokens := make([]*AccessToken, 0, opts.PageSize)
return tokens, sess.Find(&tokens)
}
tokens := make([]*AccessToken, 0, 5)
return tokens, sess.Find(&tokens)
}
// UpdateAccessToken updates information of access token.
func UpdateAccessToken(t *AccessToken) error {
_, err := x.ID(t.ID).AllCols().Update(t)
return err
}
// DeleteAccessTokenByID deletes access token by given ID.
func DeleteAccessTokenByID(id, userID int64) error {
cnt, err := x.ID(id).Delete(&AccessToken{
UID: userID,
})
if err != nil {
return err
} else if cnt != 1 {
return ErrAccessTokenNotExist{}
}
return nil
}
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