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user.go
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user.go
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package embedded
import (
"context"
"database/sql"
"fmt"
"github.com/hashicorp/go-multierror"
"strconv"
"strings"
"github.com/pkg/errors"
"github.com/zebox/registry-admin/app/store"
"github.com/zebox/registry-admin/app/store/engine"
)
const minPasswordLength = 6
// CreateUser create a new user record
func (e *Embedded) CreateUser(ctx context.Context, user *store.User) (err error) {
var emptyParams []string
// check required parameters filled
if user.Login == "" {
emptyParams = append(emptyParams, "Login")
}
if user.Name == "" {
emptyParams = append(emptyParams, "Name")
}
if len(user.Password) < minPasswordLength {
emptyParams = append(emptyParams, fmt.Sprintf("password length should be equal or more %d characters", minPasswordLength))
}
if !store.CheckRoleInList(user.Role) {
emptyParams = append(emptyParams, fmt.Sprintf("role '%s' not allowed", user.Role))
}
if len(emptyParams) > 0 {
return fmt.Errorf("required user fields not set: %s", strings.Join(emptyParams, ", "))
}
if user.Group == 0 {
user.Group = 1
}
// hashing password value
if errHash := user.HashAndSalt(); errHash != nil {
return errHash
}
createUserSQL := fmt.Sprintf(`INSERT INTO %s (
login,
name,
password,
role,
user_group,
disabled,
description
) values(?, ?, ?, ?, ?, ?, ?)`, usersTable)
stmt, err := e.db.Prepare(createUserSQL)
if err != nil {
return multierror.Append(err, errors.New("failed to add new user"))
}
defer func() { _ = stmt.Close() }()
result, err := stmt.ExecContext(ctx, user.Login, user.Name, user.Password, user.Role, user.Group, user.Disabled, user.Description)
if err != nil {
return multierror.Append(err, errors.New("failed to add new user"))
}
id, err := result.LastInsertId()
if err == nil {
user.ID = id
}
return err
}
// GetUser get data by user ID
func (e *Embedded) GetUser(ctx context.Context, id interface{}) (user store.User, err error) {
var queryString string
switch val := id.(type) {
case string:
// cast ID value when ID has login value
queryString = fmt.Sprintf("select id,login,name,password,role,user_group,disabled,description from %s where login = ?", usersTable)
// cast ID value when ID as string type
if _, errParse := strconv.ParseInt(val, 10, 64); errParse == nil {
queryString = fmt.Sprintf("SELECT id,login,name,password,role,user_group,disabled,description FROM %s WHERE id = ?", usersTable)
}
case int, int64:
queryString = fmt.Sprintf("select id,login,name,password,role,user_group,disabled,description from %s where id = ?", usersTable)
default:
return user, errors.New("unsupported id type")
}
stmt, errPrep := e.db.PrepareContext(ctx, queryString)
if errPrep != nil {
return user, multierror.Append(err, errors.New("failed to get user"))
}
rows, err := stmt.QueryContext(ctx, id)
if err != nil {
return user, multierror.Append(err, errors.New("failed to get user"))
}
defer func() {
_ = rows.Close()
}()
emptyResult := true
for rows.Next() {
if err = rows.Scan(&user.ID, &user.Login, &user.Name, &user.Password, &user.Role, &user.Group, &user.Disabled, &user.Description); err != nil {
return user, multierror.Append(err, errors.New("failed scan user data"))
}
emptyResult = false
}
if emptyResult {
return user, errors.New("record not found")
}
return user, nil
}
// FindUsers fetch list of user by filter values
func (e *Embedded) FindUsers(ctx context.Context, filter engine.QueryFilter, withPassword bool) (users engine.ListResponse, err error) {
f := filtersBuilder(filter, "login", "name")
queryString := fmt.Sprintf("SELECT id,login,name,password,role,user_group,disabled,description FROM %s %s", usersTable, f.allClauses) //nolint:gosec // query sanitizing calling before
// avoid error shadowed
var (
stmt *sql.Stmt
rows *sql.Rows
)
stmt, err = e.db.PrepareContext(ctx, queryString)
if err != nil {
return users, err
}
rows, err = stmt.QueryContext(ctx)
if err != nil {
return users, errors.Wrap(err, "failed to get users list")
}
defer func() {
_ = rows.Close()
}()
if users.Total = e.getTotalRecordsExcludeRange(usersTable, filter, []string{"login", "password"}); users.Total == 0 {
return users, nil // may be error handler catch
}
users.Data = []interface{}{}
for rows.Next() {
var user store.User
if err = rows.Scan(&user.ID, &user.Login, &user.Name, &user.Password, &user.Role, &user.Group, &user.Disabled, &user.Description); err != nil {
return users, errors.Wrap(err, "failed scan user data")
}
// clear password value when user fetch
if !withPassword {
user.Password = ""
}
users.Data = append(users.Data, user)
}
return users, nil
}
// UpdateUser update user records data
func (e *Embedded) UpdateUser(ctx context.Context, user store.User) (err error) {
if !store.CheckRoleInList(user.Role) {
return errors.Errorf("role '%s' not allowed", user.Role)
}
var res sql.Result
if user.Password != "" {
if len(user.Password) < minPasswordLength {
return fmt.Errorf("password length should be equal or more %d characters", minPasswordLength)
}
if errHash := user.HashAndSalt(); errHash != nil {
return errHash
}
res, err = e.db.ExecContext(ctx, fmt.Sprintf("UPDATE %s SET name=?, password=?, role=?, user_group=?, disabled=?, description=? WHERE id = ?", usersTable),
user.Name, user.Password, user.Role, user.Group, user.Disabled, user.Description, user.ID)
} else {
// skip a password field update if updating password value is empty
res, err = e.db.ExecContext(ctx, fmt.Sprintf("UPDATE %s SET name=?, role=?, user_group=?, disabled=?, description=? WHERE id = ?", usersTable),
user.Name, user.Role, user.Group, user.Disabled, user.Description, user.ID)
}
if err != nil {
return errors.Wrap(err, "failed to update user data")
}
rowsAffected, err := res.RowsAffected()
if err != nil {
return err
}
if rowsAffected == 0 {
return errors.New("record didn't update")
}
return err
}
// DeleteUser delete user record by ID
func (e *Embedded) DeleteUser(ctx context.Context, id int64) (err error) {
res, err := e.db.ExecContext(ctx, "DELETE FROM users WHERE id = ?", id)
if err != nil {
return errors.Wrapf(err, "failed execute query for user delete")
}
rowsAffected, err := res.RowsAffected()
if err != nil {
return err
}
if rowsAffected == 0 {
return engine.ErrNotFound
}
return err
}