forked from NyaaPantsu/nyaa
/
user.go
312 lines (283 loc) · 9.77 KB
/
user.go
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package userService
import (
"errors"
"fmt"
"net/http"
"strconv"
"time"
"github.com/ewhal/nyaa/db"
"github.com/ewhal/nyaa/model"
formStruct "github.com/ewhal/nyaa/service/user/form"
"github.com/ewhal/nyaa/service/user/permission"
"github.com/ewhal/nyaa/util/crypto"
"github.com/ewhal/nyaa/util/log"
"github.com/ewhal/nyaa/util/modelHelper"
"golang.org/x/crypto/bcrypt"
)
// SuggestUsername suggest user's name if user's name already occupied.
func SuggestUsername(username string) string {
var count int
var usernameCandidate string
db.ORM.Model(model.User{}).Where(&model.User{Username: username}).Count(&count)
log.Debugf("count Before : %d", count)
if count == 0 {
return username
}
var postfix int
for {
usernameCandidate = username + strconv.Itoa(postfix)
log.Debugf("usernameCandidate: %s\n", usernameCandidate)
db.ORM.Model(model.User{}).Where(&model.User{Username: usernameCandidate}).Count(&count)
log.Debugf("count after : %d\n", count)
postfix = postfix + 1
if count == 0 {
break
}
}
return usernameCandidate
}
func CheckEmail(email string) bool {
if len(email) == 0 {
return false
}
var count int
db.ORM.Model(model.User{}).Where("email = ?", email).Count(&count)
if count != 0 {
return true // error: duplicate
}
return false
}
// CreateUserFromForm creates a user from a registration form.
func CreateUserFromForm(registrationForm formStruct.RegistrationForm) (model.User, error) {
var user model.User
log.Debugf("registrationForm %+v\n", registrationForm)
modelHelper.AssignValue(&user, ®istrationForm)
if user.Email == "" {
user.MD5 = ""
} else {
// Despite the email not being verified yet we calculate this for convenience reasons
var err error
user.MD5, err = crypto.GenerateMD5Hash(user.Email)
if err != nil {
return user, err
}
}
user.Email = "" // unset email because it will be verified later
user.CreatedAt = time.Now()
// currently unused but needs to be set:
user.ApiToken = ""
user.ApiTokenExpiry = time.Unix(0, 0)
if db.ORM.Create(&user).Error != nil {
return user, errors.New("user not created")
}
return user, nil
}
// CreateUser creates a user.
func CreateUser(w http.ResponseWriter, r *http.Request) (int, error) {
var user model.User
var registrationForm formStruct.RegistrationForm
var status int
var err error
modelHelper.BindValueForm(®istrationForm, r)
usernameCandidate := SuggestUsername(registrationForm.Username)
if usernameCandidate != registrationForm.Username {
return http.StatusInternalServerError, fmt.Errorf("Username already taken, you can choose: %s", usernameCandidate)
}
if registrationForm.Email != "" && CheckEmail(registrationForm.Email) {
return http.StatusInternalServerError, errors.New("email address already in database")
}
password, err := bcrypt.GenerateFromPassword([]byte(registrationForm.Password), 10)
if err != nil {
return http.StatusInternalServerError, err
}
registrationForm.Password = string(password)
user, err = CreateUserFromForm(registrationForm)
if err != nil {
return http.StatusInternalServerError, err
}
if (registrationForm.Email != "") {
SendVerificationToUser(user, registrationForm.Email)
}
status, err = RegisterHandler(w, r)
return status, err
}
// RetrieveUser retrieves a user.
func RetrieveUser(r *http.Request, id string) (*model.PublicUser, bool, uint, int, error) {
var user model.User
var currentUserID uint
var isAuthor bool
if db.ORM.First(&user, id).RecordNotFound() {
return nil, isAuthor, currentUserID, http.StatusNotFound, errors.New("user not found")
}
currentUser, err := CurrentUser(r)
if err == nil {
currentUserID = currentUser.ID
isAuthor = currentUser.ID == user.ID
}
return &model.PublicUser{User: &user}, isAuthor, currentUserID, http.StatusOK, nil
}
// RetrieveUsers retrieves users.
func RetrieveUsers() []*model.PublicUser {
var users []*model.User
var userArr []*model.PublicUser
for _, user := range users {
userArr = append(userArr, &model.PublicUser{User: user})
}
return userArr
}
// UpdateUserCore updates a user. (Applying the modifed data of user).
func UpdateUserCore(user *model.User) (int, error) {
if user.Email == "" {
user.MD5 = ""
} else {
var err error
user.MD5, err = crypto.GenerateMD5Hash(user.Email)
if err != nil {
return http.StatusInternalServerError, err
}
}
user.UpdatedAt = time.Now()
err := db.ORM.Save(user).Error
if err != nil {
return http.StatusInternalServerError, err
}
return http.StatusOK, nil
}
// UpdateUser updates a user.
func UpdateUser(w http.ResponseWriter, form *formStruct.UserForm, currentUser *model.User, id string) (model.User, int, error) {
var user model.User
if db.ORM.First(&user, id).RecordNotFound() {
return user, http.StatusNotFound, errors.New("user not found")
}
log.Infof("updateUser")
if form.Password != "" {
err := bcrypt.CompareHashAndPassword([]byte(user.Password), []byte(form.CurrentPassword))
if err != nil && !userPermission.HasAdmin(currentUser) {
log.Error("Password Incorrect.")
return user, http.StatusInternalServerError, errors.New("password incorrect")
}
newPassword, err := bcrypt.GenerateFromPassword([]byte(form.Password), 10)
if err != nil {
return user, http.StatusInternalServerError, errors.New("password not generated")
}
form.Password = string(newPassword)
} else { // Then no change of password
form.Password = user.Password
}
if !userPermission.HasAdmin(currentUser) { // We don't want users to be able to modify some fields
form.Status = user.Status
form.Username = user.Username
}
if (form.Email != user.Email) {
// send verification to new email and keep old
SendVerificationToUser(user, form.Email)
form.Email = user.Email
}
log.Debugf("form %+v\n", form)
modelHelper.AssignValue(&user, form)
status, err := UpdateUserCore(&user)
return user, status, err
}
// DeleteUser deletes a user.
func DeleteUser(w http.ResponseWriter, currentUser *model.User, id string) (int, error) {
var user model.User
if db.ORM.First(&user, id).RecordNotFound() {
return http.StatusNotFound, errors.New("user not found")
}
if (user.ID == 0) {
return http.StatusInternalServerError, errors.New("You can't delete that!")
}
if db.ORM.Delete(&user).Error != nil {
return http.StatusInternalServerError, errors.New("user not deleted")
}
if userPermission.CurrentUserIdentical(currentUser, user.ID) {
return ClearCookie(w)
}
return http.StatusOK, nil
}
// RetrieveCurrentUser retrieves a current user.
func RetrieveCurrentUser(r *http.Request) (model.User, int, error) {
user, err := CurrentUser(r)
if err != nil {
return user, http.StatusInternalServerError, err
}
return user, http.StatusOK, nil
}
// RetrieveUserByEmail retrieves a user by an email
func RetrieveUserByEmail(email string) (*model.PublicUser, string, int, error) {
var user model.User
if db.ORM.Unscoped().Where("email = ?", email).First(&user).RecordNotFound() {
return &model.PublicUser{User: &user}, email, http.StatusNotFound, errors.New("user not found")
}
return &model.PublicUser{User: &user}, email, http.StatusOK, nil
}
// RetrieveUsersByEmail retrieves users by an email
func RetrieveUsersByEmail(email string) []*model.PublicUser {
var users []*model.User
var userArr []*model.PublicUser
db.ORM.Where("email = ?", email).Find(&users)
for _, user := range users {
userArr = append(userArr, &model.PublicUser{User: user})
}
return userArr
}
// RetrieveUserByUsername retrieves a user by username.
func RetrieveUserByUsername(username string) (*model.PublicUser, string, int, error) {
var user model.User
if db.ORM.Where("username = ?", username).First(&user).RecordNotFound() {
return &model.PublicUser{User: &user}, username, http.StatusNotFound, errors.New("user not found")
}
return &model.PublicUser{User: &user}, username, http.StatusOK, nil
}
// RetrieveUserForAdmin retrieves a user for an administrator.
func RetrieveUserForAdmin(id string) (model.User, int, error) {
var user model.User
if db.ORM.Preload("Torrents").First(&user, id).RecordNotFound() {
return user, http.StatusNotFound, errors.New("user not found")
}
var liked, likings []model.User
db.ORM.Joins("JOIN user_follows on user_follows.user_id=?", user.ID).Where("users.user_id = user_follows.following").Group("users.user_id").Find(&likings)
db.ORM.Joins("JOIN user_follows on user_follows.following=?", user.ID).Where("users.user_id = user_follows.user_id").Group("users.user_id").Find(&liked)
user.Likings = likings
user.Liked = liked
return user, http.StatusOK, nil
}
// RetrieveUsersForAdmin retrieves users for an administrator.
func RetrieveUsersForAdmin(limit int, offset int) ([]model.User, int) {
var users []model.User
var nbUsers int
db.ORM.Model(&users).Count(&nbUsers)
db.ORM.Preload("Torrents").Limit(limit).Offset(offset).Find(&users)
return users, nbUsers
}
// CreateUserAuthentication creates user authentication.
func CreateUserAuthentication(w http.ResponseWriter, r *http.Request) (int, error) {
var form formStruct.LoginForm
modelHelper.BindValueForm(&form, r)
username := form.Username
pass := form.Password
status, err := SetCookieHandler(w, username, pass)
return status, err
}
func SetFollow(user *model.User, follower *model.User) {
if follower.ID > 0 && user.ID > 0 {
var userFollows = model.UserFollows{UserID: user.ID, FollowerID: follower.ID}
db.ORM.Create(&userFollows)
}
}
func RemoveFollow(user *model.User, follower *model.User) {
if follower.ID > 0 && user.ID > 0 {
var userFollows = model.UserFollows{UserID: user.ID, FollowerID: follower.ID}
db.ORM.Delete(&userFollows)
}
}
func DeleteComment(id string) (int, error) {
var comment model.Comment
if db.ORM.First(&comment, id).RecordNotFound() {
return http.StatusNotFound, errors.New("Comment is not found.")
}
if db.ORM.Delete(&comment).Error != nil {
return http.StatusInternalServerError, errors.New("Comment is not deleted.")
}
return http.StatusOK, nil
}