gosora/common/user.go
Azareal 2545d4adde Converted more queries over to the new OO builder syntax.
Renamed accBuilder to Accumulator so that it can be used in type hints outside the query generator.
The DbInit accumulator is now initialised in the caller rather than the callee.
2017-11-12 03:29:05 +00:00

424 lines
11 KiB
Go

/*
*
* Gosora User File
* Copyright Azareal 2017 - 2018
*
*/
package common
import (
//"log"
//"fmt"
"database/sql"
"errors"
"strconv"
"strings"
"time"
"../query_gen/lib"
"golang.org/x/crypto/bcrypt"
)
// TODO: Replace any literals with this
var BanGroup = 4
// GuestUser is an instance of user which holds guest data to avoid having to initialise a guest every time
var GuestUser = User{ID: 0, Link: "#", Group: 6, Perms: GuestPerms}
//func(real_password string, password string, salt string) (err error)
var CheckPassword = BcryptCheckPassword
//func(password string) (hashed_password string, salt string, err error)
var GeneratePassword = BcryptGeneratePassword
var ErrNoTempGroup = errors.New("We couldn't find a temporary group for this user")
type User struct {
ID int
Link string
Name string
Email string
Group int
Active bool
IsMod bool
IsSuperMod bool
IsAdmin bool
IsSuperAdmin bool
IsBanned bool
Perms Perms
PluginPerms map[string]bool
Session string
Loggedin bool
Avatar string
Message string
URLPrefix string // Move this to another table? Create a user lite?
URLName string
Tag string
Level int
Score int
LastIP string // ! This part of the UserCache data might fall out of date
TempGroup int
}
type UserStmts struct {
activate *sql.Stmt
changeGroup *sql.Stmt
delete *sql.Stmt
setAvatar *sql.Stmt
setUsername *sql.Stmt
updateGroup *sql.Stmt
incrementTopics *sql.Stmt
updateLevel *sql.Stmt
incrementScore *sql.Stmt
incrementPosts *sql.Stmt
incrementBigposts *sql.Stmt
incrementMegaposts *sql.Stmt
updateLastIP *sql.Stmt
setPassword *sql.Stmt
}
var userStmts UserStmts
func init() {
DbInits.Add(func(acc *qgen.Accumulator) error {
userStmts = UserStmts{
activate: acc.SimpleUpdate("users", "active = 1", "uid = ?"),
changeGroup: acc.SimpleUpdate("users", "group = ?", "uid = ?"),
delete: acc.SimpleDelete("users", "uid = ?"),
setAvatar: acc.SimpleUpdate("users", "avatar = ?", "uid = ?"),
setUsername: acc.SimpleUpdate("users", "name = ?", "uid = ?"),
updateGroup: acc.SimpleUpdate("users", "group = ?", "uid = ?"),
incrementTopics: acc.SimpleUpdate("users", "topics = topics + ?", "uid = ?"),
updateLevel: acc.SimpleUpdate("users", "level = ?", "uid = ?"),
incrementScore: acc.SimpleUpdate("users", "score = score + ?", "uid = ?"),
incrementPosts: acc.SimpleUpdate("users", "posts = posts + ?", "uid = ?"),
incrementBigposts: acc.SimpleUpdate("users", "posts = posts + ?, bigposts = bigposts + ?", "uid = ?"),
incrementMegaposts: acc.SimpleUpdate("users", "posts = posts + ?, bigposts = bigposts + ?, megaposts = megaposts + ?", "uid = ?"),
updateLastIP: acc.SimpleUpdate("users", "last_ip = ?", "uid = ?"),
setPassword: acc.SimpleUpdate("users", "password = ?, salt = ?", "uid = ?"),
}
return acc.FirstError()
})
}
func (user *User) Init() {
if user.Avatar != "" {
if user.Avatar[0] == '.' {
user.Avatar = "/uploads/avatar_" + strconv.Itoa(user.ID) + user.Avatar
}
} else {
user.Avatar = strings.Replace(Config.Noavatar, "{id}", strconv.Itoa(user.ID), 1)
}
user.Link = BuildProfileURL(NameToSlug(user.Name), user.ID)
user.Tag = Gstore.DirtyGet(user.Group).Tag
user.InitPerms()
}
func (user *User) CacheRemove() {
ucache, ok := Users.(UserCache)
if ok {
ucache.CacheRemove(user.ID)
}
}
func (user *User) Ban(duration time.Duration, issuedBy int) error {
return user.ScheduleGroupUpdate(BanGroup, issuedBy, duration)
}
func (user *User) Unban() error {
return user.RevertGroupUpdate()
}
func (user *User) deleteScheduleGroupTx(tx *sql.Tx) error {
deleteScheduleGroupStmt, err := qgen.Builder.SimpleDeleteTx(tx, "users_groups_scheduler", "uid = ?")
if err != nil {
return err
}
_, err = deleteScheduleGroupStmt.Exec(user.ID)
return err
}
func (user *User) setTempGroupTx(tx *sql.Tx, tempGroup int) error {
setTempGroupStmt, err := qgen.Builder.SimpleUpdateTx(tx, "users", "temp_group = ?", "uid = ?")
if err != nil {
return err
}
_, err = setTempGroupStmt.Exec(tempGroup, user.ID)
return err
}
// Make this more stateless?
func (user *User) ScheduleGroupUpdate(gid int, issuedBy int, duration time.Duration) error {
var temporary bool
if duration.Nanoseconds() != 0 {
temporary = true
}
revertAt := time.Now().Add(duration)
tx, err := qgen.Builder.Begin()
if err != nil {
return err
}
defer tx.Rollback()
err = user.deleteScheduleGroupTx(tx)
if err != nil {
return err
}
createScheduleGroupTx, err := qgen.Builder.SimpleInsertTx(tx, "users_groups_scheduler", "uid, set_group, issued_by, issued_at, revert_at, temporary", "?,?,?,UTC_TIMESTAMP(),?,?")
if err != nil {
return err
}
_, err = createScheduleGroupTx.Exec(user.ID, gid, issuedBy, revertAt, temporary)
if err != nil {
return err
}
err = user.setTempGroupTx(tx, gid)
if err != nil {
return err
}
err = tx.Commit()
user.CacheRemove()
return err
}
func (user *User) RevertGroupUpdate() error {
tx, err := qgen.Builder.Begin()
if err != nil {
return err
}
defer tx.Rollback()
err = user.deleteScheduleGroupTx(tx)
if err != nil {
return err
}
err = user.setTempGroupTx(tx, 0)
if err != nil {
return err
}
err = tx.Commit()
user.CacheRemove()
return err
}
// TODO: Use a transaction here
// ? - Add a Deactivate method? Not really needed, if someone's been bad you could do a ban, I guess it might be useful, if someone says that email x isn't actually owned by the user in question?
func (user *User) Activate() (err error) {
_, err = userStmts.activate.Exec(user.ID)
if err != nil {
return err
}
_, err = userStmts.changeGroup.Exec(Config.DefaultGroup, user.ID)
user.CacheRemove()
return err
}
// TODO: Write tests for this
// TODO: Delete this user's content too?
// TODO: Expose this to the admin?
func (user *User) Delete() error {
_, err := userStmts.delete.Exec(user.ID)
if err != nil {
return err
}
user.CacheRemove()
return err
}
func (user *User) ChangeName(username string) (err error) {
_, err = userStmts.setUsername.Exec(username, user.ID)
user.CacheRemove()
return err
}
func (user *User) ChangeAvatar(avatar string) (err error) {
_, err = userStmts.setAvatar.Exec(avatar, user.ID)
user.CacheRemove()
return err
}
func (user *User) ChangeGroup(group int) (err error) {
_, err = userStmts.updateGroup.Exec(group, user.ID)
user.CacheRemove()
return err
}
// ! Only updates the database not the *User for safety reasons
func (user *User) UpdateIP(host string) error {
_, err := userStmts.updateLastIP.Exec(host, user.ID)
return err
}
func (user *User) IncreasePostStats(wcount int, topic bool) (err error) {
var mod int
baseScore := 1
if topic {
_, err = userStmts.incrementTopics.Exec(1, user.ID)
if err != nil {
return err
}
baseScore = 2
}
settings := SettingBox.Load().(SettingMap)
if wcount >= settings["megapost_min_words"].(int) {
_, err = userStmts.incrementMegaposts.Exec(1, 1, 1, user.ID)
mod = 4
} else if wcount >= settings["bigpost_min_words"].(int) {
_, err = userStmts.incrementBigposts.Exec(1, 1, user.ID)
mod = 1
} else {
_, err = userStmts.incrementPosts.Exec(1, user.ID)
}
if err != nil {
return err
}
_, err = userStmts.incrementScore.Exec(baseScore+mod, user.ID)
if err != nil {
return err
}
//log.Print(user.Score + base_score + mod)
//log.Print(getLevel(user.Score + base_score + mod))
// TODO: Use a transaction to prevent level desyncs?
_, err = userStmts.updateLevel.Exec(GetLevel(user.Score+baseScore+mod), user.ID)
return err
}
func (user *User) DecreasePostStats(wcount int, topic bool) (err error) {
var mod int
baseScore := -1
if topic {
_, err = userStmts.incrementTopics.Exec(-1, user.ID)
if err != nil {
return err
}
baseScore = -2
}
settings := SettingBox.Load().(SettingMap)
if wcount >= settings["megapost_min_words"].(int) {
_, err = userStmts.incrementMegaposts.Exec(-1, -1, -1, user.ID)
mod = 4
} else if wcount >= settings["bigpost_min_words"].(int) {
_, err = userStmts.incrementBigposts.Exec(-1, -1, user.ID)
mod = 1
} else {
_, err = userStmts.incrementPosts.Exec(-1, user.ID)
}
if err != nil {
return err
}
_, err = userStmts.incrementScore.Exec(baseScore-mod, user.ID)
if err != nil {
return err
}
// TODO: Use a transaction to prevent level desyncs?
_, err = userStmts.updateLevel.Exec(GetLevel(user.Score-baseScore-mod), user.ID)
return err
}
// Copy gives you a non-pointer concurrency safe copy of the user
func (user *User) Copy() User {
return *user
}
// TODO: Write unit tests for this
func (user *User) InitPerms() {
if user.TempGroup != 0 {
user.Group = user.TempGroup
}
group := Gstore.DirtyGet(user.Group)
if user.IsSuperAdmin {
user.Perms = AllPerms
user.PluginPerms = AllPluginPerms
} else {
user.Perms = group.Perms
user.PluginPerms = group.PluginPerms
}
user.IsAdmin = user.IsSuperAdmin || group.IsAdmin
user.IsSuperMod = user.IsAdmin || group.IsMod
user.IsMod = user.IsSuperMod
user.IsBanned = group.IsBanned
if user.IsBanned && user.IsSuperMod {
user.IsBanned = false
}
}
func BcryptCheckPassword(realPassword string, password string, salt string) (err error) {
return bcrypt.CompareHashAndPassword([]byte(realPassword), []byte(password+salt))
}
// Investigate. Do we need the extra salt?
func BcryptGeneratePassword(password string) (hashedPassword string, salt string, err error) {
salt, err = GenerateSafeString(SaltLength)
if err != nil {
return "", "", err
}
password = password + salt
hashedPassword, err = BcryptGeneratePasswordNoSalt(password)
if err != nil {
return "", "", err
}
return hashedPassword, salt, nil
}
func BcryptGeneratePasswordNoSalt(password string) (hash string, err error) {
hashedPassword, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
if err != nil {
return "", err
}
return string(hashedPassword), nil
}
// TODO: Move this to *User
func SetPassword(uid int, password string) error {
hashedPassword, salt, err := GeneratePassword(password)
if err != nil {
return err
}
_, err = userStmts.setPassword.Exec(hashedPassword, salt, uid)
return err
}
// TODO: Write units tests for this
func wordsToScore(wcount int, topic bool) (score int) {
if topic {
score = 2
} else {
score = 1
}
settings := SettingBox.Load().(SettingMap)
if wcount >= settings["megapost_min_words"].(int) {
score += 4
} else if wcount >= settings["bigpost_min_words"].(int) {
score++
}
return score
}
// For use in tests and to help generate dummy users for forums which don't have last posters
func BlankUser() *User {
return &User{ID: 0, Name: ""}
}
// TODO: Write unit tests for this
func BuildProfileURL(slug string, uid int) string {
if slug == "" {
return "/user/" + strconv.Itoa(uid)
}
return "/user/" + slug + "." + strconv.Itoa(uid)
}