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// Copyright 2014 The Gogs 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 (
"encoding/hex"
"errors"
"fmt"
"os"
"path/filepath"
"strings"
"time"
"github.com/dchest/scrypt"
"github.com/gogits/git"
"github.com/gogits/gogs/modules/base"
"github.com/gogits/gogs/modules/log"
)
// User types.
const (
UT_INDIVIDUAL = iota + 1
UT_ORGANIZATION
)
// Login types.
const (
LT_PLAIN = iota + 1
LT_LDAP
)
var (
ErrUserOwnRepos = errors.New("User still have ownership of repositories")
ErrUserAlreadyExist = errors.New("User already exist")
ErrUserNotExist = errors.New("User does not exist")
ErrEmailAlreadyUsed = errors.New("E-mail already used")
ErrUserNameIllegal = errors.New("User name contains illegal characters")
)
// User represents the object of individual and member of organization.
type User struct {
Id int64
LowerName string `xorm:"unique not null"`
Name string `xorm:"unique not null"`
Email string `xorm:"unique not null"`
Passwd string `xorm:"not null"`
LoginType int
Type int
NumFollowers int
NumFollowings int
NumStars int
NumRepos int
Avatar string `xorm:"varchar(2048) not null"`
AvatarEmail string `xorm:"not null"`
Location string
Website string
IsActive bool
IsAdmin bool
Rands string `xorm:"VARCHAR(10)"`
Created time.Time `xorm:"created"`
Updated time.Time `xorm:"updated"`
}
// HomeLink returns the user home page link.
func (user *User) HomeLink() string {
return "/user/" + user.LowerName
}
// AvatarLink returns the user gravatar link.
func (user *User) AvatarLink() string {
return "http://1.gravatar.com/avatar/" + user.Avatar
}
// NewGitSig generates and returns the signature of given user.
func (user *User) NewGitSig() *git.Signature {
return &git.Signature{
Name: user.Name,
Email: user.Email,
When: time.Now(),
}
}
// EncodePasswd encodes password to safe format.
func (user *User) EncodePasswd() error {
newPasswd, err := scrypt.Key([]byte(user.Passwd), []byte(base.SecretKey), 16384, 8, 1, 64)
user.Passwd = fmt.Sprintf("%x", newPasswd)
return err
}
// Member represents user is member of organization.
type Member struct {
Id int64
OrgId int64 `xorm:"unique(member) index"`
UserId int64 `xorm:"unique(member)"`
}
// IsUserExist checks if given user name exist,
// the user name should be noncased unique.
func IsUserExist(name string) (bool, error) {
return orm.Get(&User{LowerName: strings.ToLower(name)})
}
// IsEmailUsed returns true if the e-mail has been used.
func IsEmailUsed(email string) (bool, error) {
return orm.Get(&User{Email: email})
}
// return a user salt token
func GetUserSalt() string {
return base.GetRandomString(10)
}
// RegisterUser creates record of a new user.
func RegisterUser(user *User) (*User, error) {
if !IsLegalName(user.Name) {
return nil, ErrUserNameIllegal
}
isExist, err := IsUserExist(user.Name)
if err != nil {
return nil, err
} else if isExist {
return nil, ErrUserAlreadyExist
}
isExist, err = IsEmailUsed(user.Email)
if err != nil {
return nil, err
} else if isExist {
return nil, ErrEmailAlreadyUsed
}
user.LowerName = strings.ToLower(user.Name)
user.Avatar = base.EncodeMd5(user.Email)
user.AvatarEmail = user.Email
user.Rands = GetUserSalt()
if err = user.EncodePasswd(); err != nil {
return nil, err
} else if _, err = orm.Insert(user); err != nil {
return nil, err
} else if err = os.MkdirAll(UserPath(user.Name), os.ModePerm); err != nil {
if _, err := orm.Id(user.Id).Delete(&User{}); err != nil {
return nil, errors.New(fmt.Sprintf(
"both create userpath %s and delete table record faild: %v", user.Name, err))
}
return nil, err
}
if user.Id == 1 {
user.IsAdmin = true
user.IsActive = true
_, err = orm.Id(user.Id).UseBool().Update(user)
}
return user, err
}
// GetUsers returns given number of user objects with offset.
func GetUsers(num, offset int) ([]User, error) {
users := make([]User, 0, num)
err := orm.Limit(num, offset).Asc("id").Find(&users)
return users, err
}
// get user by erify code
func getVerifyUser(code string) (user *User) {
if len(code) <= base.TimeLimitCodeLength {
return nil
}
// use tail hex username query user
hexStr := code[base.TimeLimitCodeLength:]
if b, err := hex.DecodeString(hexStr); err == nil {
if user, err = GetUserByName(string(b)); user != nil {
return user
}
log.Error("user.getVerifyUser: %v", err)
}
return nil
}
// verify active code when active account
func VerifyUserActiveCode(code string) (user *User) {
minutes := base.Service.ActiveCodeLives
if user = getVerifyUser(code); user != nil {
// time limit code
prefix := code[:base.TimeLimitCodeLength]
data := base.ToStr(user.Id) + user.Email + user.LowerName + user.Passwd + user.Rands
if base.VerifyTimeLimitCode(data, minutes, prefix) {
return user
}
}
return nil
}
// UpdateUser updates user's information.
func UpdateUser(user *User) (err error) {
_, err = orm.Id(user.Id).UseBool().Update(user)
return err
}
// DeleteUser completely deletes everything of the user.
func DeleteUser(user *User) error {
// Check ownership of repository.
count, err := GetRepositoryCount(user)
if err != nil {
return errors.New("modesl.GetRepositories: " + err.Error())
} else if count > 0 {
return ErrUserOwnRepos
}
// TODO: check issues, other repos' commits
// Delete all feeds.
if _, err = orm.Delete(&Action{UserId: user.Id}); err != nil {
return err
}
// Delete all SSH keys.
keys := make([]PublicKey, 0, 10)
if err = orm.Find(&keys, &PublicKey{OwnerId: user.Id}); err != nil {
return err
}
for _, key := range keys {
if err = DeletePublicKey(&key); err != nil {
return err
}
}
// Delete user directory.
if err = os.RemoveAll(UserPath(user.Name)); err != nil {
return err
}
_, err = orm.Delete(user)
// TODO: delete and update follower information.
return err
}
// UserPath returns the path absolute path of user repositories.
func UserPath(userName string) string {
return filepath.Join(base.RepoRootPath, strings.ToLower(userName))
}
func GetUserByKeyId(keyId int64) (*User, error) {
user := new(User)
rawSql := "SELECT a.* FROM `user` AS a, public_key AS b WHERE a.id = b.owner_id AND b.id=?"
has, err := orm.Sql(rawSql, keyId).Get(user)
if err != nil {
return nil, err
} else if !has {
err = errors.New("not exist key owner")
return nil, err
}
return user, nil
}
// GetUserById returns the user object by given id if exists.
func GetUserById(id int64) (*User, error) {
user := new(User)
has, err := orm.Id(id).Get(user)
if err != nil {
return nil, err
}
if !has {
return nil, ErrUserNotExist
}
return user, nil
}
// GetUserByName returns the user object by given name if exists.
func GetUserByName(name string) (*User, error) {
if len(name) == 0 {
return nil, ErrUserNotExist
}
user := &User{LowerName: strings.ToLower(name)}
has, err := orm.Get(user)
if err != nil {
return nil, err
} else if !has {
return nil, ErrUserNotExist
}
return user, nil
}
// LoginUserPlain validates user by raw user name and password.
func LoginUserPlain(name, passwd string) (*User, error) {
user := User{LowerName: strings.ToLower(name), Passwd: passwd}
if err := user.EncodePasswd(); err != nil {
return nil, err
}
has, err := orm.Get(&user)
if err != nil {
return nil, err
} else if !has {
err = ErrUserNotExist
}
return &user, err
}
// Follow is connection request for receiving user notifycation.
type Follow struct {
Id int64
UserId int64 `xorm:"unique(follow)"`
FollowId int64 `xorm:"unique(follow)"`
}
// FollowUser marks someone be another's follower.
func FollowUser(userId int64, followId int64) (err error) {
session := orm.NewSession()
defer session.Close()
session.Begin()
if _, err = session.Insert(&Follow{UserId: userId, FollowId: followId}); err != nil {
session.Rollback()
return err
}
rawSql := "UPDATE `user` SET num_followers = num_followers + 1 WHERE id = ?"
if _, err = session.Exec(rawSql, followId); err != nil {
session.Rollback()
return err
}
rawSql = "UPDATE `user` SET num_followings = num_followings + 1 WHERE id = ?"
if _, err = session.Exec(rawSql, userId); err != nil {
session.Rollback()
return err
}
return session.Commit()
}
// UnFollowUser unmarks someone be another's follower.
func UnFollowUser(userId int64, unFollowId int64) (err error) {
session := orm.NewSession()
defer session.Close()
session.Begin()
if _, err = session.Delete(&Follow{UserId: userId, FollowId: unFollowId}); err != nil {
session.Rollback()
return err
}
rawSql := "UPDATE `user` SET num_followers = num_followers - 1 WHERE id = ?"
if _, err = session.Exec(rawSql, unFollowId); err != nil {
session.Rollback()
return err
}
rawSql = "UPDATE `user` SET num_followings = num_followings - 1 WHERE id = ?"
if _, err = session.Exec(rawSql, userId); err != nil {
session.Rollback()
return err
}
return session.Commit()
}