vikunja-api/pkg/models/user.go

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// Vikunja is a todo-list application to facilitate your life.
// Copyright 2018 Vikunja and contributors. All rights reserved.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package models
import (
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"code.vikunja.io/api/pkg/log"
"code.vikunja.io/api/pkg/metrics"
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"code.vikunja.io/web"
"fmt"
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"github.com/dgrijalva/jwt-go"
"github.com/labstack/echo"
"golang.org/x/crypto/bcrypt"
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"reflect"
"time"
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)
// UserLogin Object to recive user credentials in JSON format
type UserLogin struct {
Username string `json:"username" form:"username"`
Password string `json:"password" form:"password"`
}
// User holds information about an user
type User struct {
ID int64 `xorm:"int(11) autoincr not null unique pk" json:"id"`
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Username string `xorm:"varchar(250) not null unique" json:"username" valid:"length(3|250)"`
Password string `xorm:"varchar(250) not null" json:"-"`
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Email string `xorm:"varchar(250)" json:"email" valid:"email,length(0|250)"`
IsActive bool `json:"-"`
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PasswordResetToken string `xorm:"varchar(450)" json:"-"`
EmailConfirmToken string `xorm:"varchar(450)" json:"-"`
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Created int64 `xorm:"created" json:"created"`
Updated int64 `xorm:"updated" json:"updated"`
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web.Auth `xorm:"-" json:"-"`
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}
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// AuthDummy implements the auth of the crud handler
func (User) AuthDummy() {}
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// TableName returns the table name for users
func (User) TableName() string {
return "users"
}
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func getUserForRights(a web.Auth) *User {
u, err := getUserWithError(a)
if err != nil {
log.Log.Error(err.Error())
}
return u
}
func getUserWithError(a web.Auth) (*User, error) {
u, is := a.(*User)
if !is {
return &User{}, fmt.Errorf("user is not user element, is %s", reflect.TypeOf(a))
}
return u, nil
}
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// APIUserPassword represents a user object without timestamps and a json password field.
type APIUserPassword struct {
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ID int64 `json:"id"`
Username string `json:"username"`
Password string `json:"password"`
Email string `json:"email"`
}
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// APIFormat formats an API User into a normal user struct
func (apiUser *APIUserPassword) APIFormat() User {
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return User{
ID: apiUser.ID,
Username: apiUser.Username,
Password: apiUser.Password,
Email: apiUser.Email,
}
}
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// GetUserByID gets informations about a user by its ID
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func GetUserByID(id int64) (user User, err error) {
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// Apparently xorm does otherwise look for all users but return only one, which leads to returing one even if the ID is 0
if id < 1 {
return User{}, ErrUserDoesNotExist{}
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}
return GetUser(User{ID: id})
}
// GetUser gets a user object
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func GetUser(user User) (userOut User, err error) {
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userOut = user
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exists, err := x.Get(&userOut)
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if !exists {
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return User{}, ErrUserDoesNotExist{UserID: user.ID}
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}
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return userOut, err
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}
// CheckUserCredentials checks user credentials
func CheckUserCredentials(u *UserLogin) (User, error) {
// Check if we have any credentials
if u.Password == "" || u.Username == "" {
return User{}, ErrNoUsernamePassword{}
}
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// Check if the user exists
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user, err := GetUser(User{Username: u.Username})
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if err != nil {
return User{}, err
}
// User is invalid if it needs to verify its email address
if !user.IsActive {
return User{}, ErrEmailNotConfirmed{UserID: user.ID}
}
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// Check the users password
err = bcrypt.CompareHashAndPassword([]byte(user.Password), []byte(u.Password))
if err != nil {
if err == bcrypt.ErrMismatchedHashAndPassword {
return User{}, ErrWrongUsernameOrPassword{}
}
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return User{}, err
}
return user, nil
}
// GetCurrentUser returns the current user based on its jwt token
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func GetCurrentUser(c echo.Context) (user *User, err error) {
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jwtinf := c.Get("user").(*jwt.Token)
claims := jwtinf.Claims.(jwt.MapClaims)
userID, ok := claims["id"].(float64)
if !ok {
return user, ErrCouldNotGetUserID{}
}
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user = &User{
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ID: int64(userID),
Email: claims["email"].(string),
Username: claims["username"].(string),
}
return
}
// UpdateActiveUsersFromContext updates the currently active users in redis
func UpdateActiveUsersFromContext(c echo.Context) (err error) {
user, err := GetCurrentUser(c)
if err != nil {
return err
}
allActiveUsers, err := metrics.GetActiveUsers()
if err != nil {
return
}
var uupdated bool
for in, u := range allActiveUsers {
if u.UserID == user.ID {
allActiveUsers[in].LastSeen = time.Now()
uupdated = true
}
}
if !uupdated {
allActiveUsers = append(allActiveUsers, &metrics.ActiveUser{UserID: user.ID, LastSeen: time.Now()})
}
return metrics.SetActiveUsers(allActiveUsers)
}