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448 lines (393 loc) · 9.69 KB
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// Copyright 2017 Frédéric Guillot. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package storage // import "miniflux.app/storage"
import (
"database/sql"
"fmt"
"strings"
"miniflux.app/model"
"github.com/lib/pq/hstore"
"golang.org/x/crypto/bcrypt"
)
// CountUsers returns the total number of users.
func (s *Storage) CountUsers() int {
var result int
err := s.db.QueryRow(`SELECT count(*) FROM users`).Scan(&result)
if err != nil {
return 0
}
return result
}
// SetLastLogin updates the last login date of a user.
func (s *Storage) SetLastLogin(userID int64) error {
query := `UPDATE users SET last_login_at=now() WHERE id=$1`
_, err := s.db.Exec(query, userID)
if err != nil {
return fmt.Errorf(`store: unable to update last login date: %v`, err)
}
return nil
}
// UserExists checks if a user exists by using the given username.
func (s *Storage) UserExists(username string) bool {
var result bool
s.db.QueryRow(`SELECT true FROM users WHERE username=LOWER($1)`, username).Scan(&result)
return result
}
// AnotherUserExists checks if another user exists with the given username.
func (s *Storage) AnotherUserExists(userID int64, username string) bool {
var result bool
s.db.QueryRow(`SELECT true FROM users WHERE id != $1 AND username=LOWER($2)`, userID, username).Scan(&result)
return result
}
// CreateUser creates a new user.
func (s *Storage) CreateUser(user *model.User) (err error) {
password := ""
extra := hstore.Hstore{Map: make(map[string]sql.NullString)}
if user.Password != "" {
password, err = hashPassword(user.Password)
if err != nil {
return err
}
}
if len(user.Extra) > 0 {
for key, value := range user.Extra {
extra.Map[key] = sql.NullString{String: value, Valid: true}
}
}
query := `
INSERT INTO users
(username, password, is_admin, extra)
VALUES
(LOWER($1), $2, $3, $4)
RETURNING
id, username, is_admin, language, theme, timezone, entry_direction, keyboard_shortcuts
`
err = s.db.QueryRow(query, user.Username, password, user.IsAdmin, extra).Scan(
&user.ID,
&user.Username,
&user.IsAdmin,
&user.Language,
&user.Theme,
&user.Timezone,
&user.EntryDirection,
&user.KeyboardShortcuts,
)
if err != nil {
return fmt.Errorf(`store: unable to create user: %v`, err)
}
s.CreateCategory(&model.Category{Title: "All", UserID: user.ID})
s.CreateIntegration(user.ID)
return nil
}
// UpdateExtraField updates an extra field of the given user.
func (s *Storage) UpdateExtraField(userID int64, field, value string) error {
query := fmt.Sprintf(`UPDATE users SET extra = hstore('%s', $1) WHERE id=$2`, field)
_, err := s.db.Exec(query, value, userID)
if err != nil {
return fmt.Errorf(`store: unable to update user extra field: %v`, err)
}
return nil
}
// RemoveExtraField deletes an extra field for the given user.
func (s *Storage) RemoveExtraField(userID int64, field string) error {
query := `UPDATE users SET extra = delete(extra, $1) WHERE id=$2`
_, err := s.db.Exec(query, field, userID)
if err != nil {
return fmt.Errorf(`store: unable to remove user extra field: %v`, err)
}
return nil
}
// UpdateUser updates a user.
func (s *Storage) UpdateUser(user *model.User) error {
if user.Password != "" {
hashedPassword, err := hashPassword(user.Password)
if err != nil {
return err
}
query := `
UPDATE users SET
username=LOWER($1),
password=$2,
is_admin=$3,
theme=$4,
language=$5,
timezone=$6,
entry_direction=$7,
keyboard_shortcuts=$8
WHERE
id=$9
`
_, err = s.db.Exec(
query,
user.Username,
hashedPassword,
user.IsAdmin,
user.Theme,
user.Language,
user.Timezone,
user.EntryDirection,
user.KeyboardShortcuts,
user.ID,
)
if err != nil {
return fmt.Errorf(`store: unable to update user: %v`, err)
}
} else {
query := `
UPDATE users SET
username=LOWER($1),
is_admin=$2,
theme=$3,
language=$4,
timezone=$5,
entry_direction=$6,
keyboard_shortcuts=$7
WHERE
id=$8
`
_, err := s.db.Exec(
query,
user.Username,
user.IsAdmin,
user.Theme,
user.Language,
user.Timezone,
user.EntryDirection,
user.KeyboardShortcuts,
user.ID,
)
if err != nil {
return fmt.Errorf(`store: unable to update user: %v`, err)
}
}
if err := s.UpdateExtraField(user.ID, "custom_css", user.Extra["custom_css"]); err != nil {
return fmt.Errorf(`store: unable to update user custom css: %v`, err)
}
return nil
}
// UserLanguage returns the language of the given user.
func (s *Storage) UserLanguage(userID int64) (language string) {
err := s.db.QueryRow(`SELECT language FROM users WHERE id = $1`, userID).Scan(&language)
if err != nil {
return "en_US"
}
return language
}
// UserByID finds a user by the ID.
func (s *Storage) UserByID(userID int64) (*model.User, error) {
query := `
SELECT
id,
username,
is_admin,
theme,
language,
timezone,
entry_direction,
keyboard_shortcuts,
last_login_at,
extra
FROM
users
WHERE
id = $1
`
return s.fetchUser(query, userID)
}
// UserByUsername finds a user by the username.
func (s *Storage) UserByUsername(username string) (*model.User, error) {
query := `
SELECT
id,
username,
is_admin,
theme,
language,
timezone,
entry_direction,
keyboard_shortcuts,
last_login_at,
extra
FROM
users
WHERE
username=LOWER($1)
`
return s.fetchUser(query, username)
}
// UserByExtraField finds a user by an extra field value.
func (s *Storage) UserByExtraField(field, value string) (*model.User, error) {
query := `
SELECT
id,
username,
is_admin,
theme,
language,
timezone,
entry_direction,
keyboard_shortcuts,
last_login_at,
extra
FROM
users
WHERE
extra->$1=$2
`
return s.fetchUser(query, field, value)
}
// UserByAPIKey returns a User from an API Key.
func (s *Storage) UserByAPIKey(token string) (*model.User, error) {
query := `
SELECT
u.id,
u.username,
u.is_admin,
u.theme,
u.language,
u.timezone,
u.entry_direction,
u.keyboard_shortcuts,
u.last_login_at,
u.extra
FROM
users u
LEFT JOIN
api_keys ON api_keys.user_id=u.id
WHERE
api_keys.token = $1
`
return s.fetchUser(query, token)
}
func (s *Storage) fetchUser(query string, args ...interface{}) (*model.User, error) {
var extra hstore.Hstore
user := model.NewUser()
err := s.db.QueryRow(query, args...).Scan(
&user.ID,
&user.Username,
&user.IsAdmin,
&user.Theme,
&user.Language,
&user.Timezone,
&user.EntryDirection,
&user.KeyboardShortcuts,
&user.LastLoginAt,
&extra,
)
if err == sql.ErrNoRows {
return nil, nil
} else if err != nil {
return nil, fmt.Errorf(`store: unable to fetch user: %v`, err)
}
for key, value := range extra.Map {
if value.Valid {
user.Extra[key] = value.String
}
}
return user, nil
}
// RemoveUser deletes a user.
func (s *Storage) RemoveUser(userID int64) error {
ts, err := s.db.Begin()
if err != nil {
return fmt.Errorf(`store: unable to start transaction: %v`, err)
}
if _, err := ts.Exec(`DELETE FROM users WHERE id=$1`, userID); err != nil {
ts.Rollback()
return fmt.Errorf(`store: unable to remove user #%d: %v`, userID, err)
}
if _, err := ts.Exec(`DELETE FROM integrations WHERE user_id=$1`, userID); err != nil {
ts.Rollback()
return fmt.Errorf(`store: unable to remove integration settings for user #%d: %v`, userID, err)
}
if err := ts.Commit(); err != nil {
return fmt.Errorf(`store: unable to commit transaction: %v`, err)
}
return nil
}
// Users returns all users.
func (s *Storage) Users() (model.Users, error) {
query := `
SELECT
id,
username,
is_admin,
theme,
language,
timezone,
entry_direction,
keyboard_shortcuts,
last_login_at,
extra
FROM
users
ORDER BY username ASC
`
rows, err := s.db.Query(query)
if err != nil {
return nil, fmt.Errorf(`store: unable to fetch users: %v`, err)
}
defer rows.Close()
var users model.Users
for rows.Next() {
var extra hstore.Hstore
user := model.NewUser()
err := rows.Scan(
&user.ID,
&user.Username,
&user.IsAdmin,
&user.Theme,
&user.Language,
&user.Timezone,
&user.EntryDirection,
&user.KeyboardShortcuts,
&user.LastLoginAt,
&extra,
)
if err != nil {
return nil, fmt.Errorf(`store: unable to fetch users row: %v`, err)
}
for key, value := range extra.Map {
if value.Valid {
user.Extra[key] = value.String
}
}
users = append(users, user)
}
return users, nil
}
// CheckPassword validate the hashed password.
func (s *Storage) CheckPassword(username, password string) error {
var hash string
username = strings.ToLower(username)
err := s.db.QueryRow("SELECT password FROM users WHERE username=$1", username).Scan(&hash)
if err == sql.ErrNoRows {
return fmt.Errorf(`store: unable to find this user: %s`, username)
} else if err != nil {
return fmt.Errorf(`store: unable to fetch user: %v`, err)
}
if err := bcrypt.CompareHashAndPassword([]byte(hash), []byte(password)); err != nil {
return fmt.Errorf(`store: invalid password for "%s" (%v)`, username, err)
}
return nil
}
// HasPassword returns true if the given user has a password defined.
func (s *Storage) HasPassword(userID int64) (bool, error) {
var result bool
query := `SELECT true FROM users WHERE id=$1 AND password <> ''`
err := s.db.QueryRow(query, userID).Scan(&result)
if err == sql.ErrNoRows {
return false, nil
} else if err != nil {
return false, fmt.Errorf(`store: unable to execute query: %v`, err)
}
if result {
return true, nil
}
return false, nil
}
func hashPassword(password string) (string, error) {
bytes, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
return string(bytes), err
}