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initialize.go
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initialize.go
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/*
Copyright © 2022 Miguel Ángel Álvarez Cabrerizo <mcabrerizo@sologitops.com>
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package db
import (
"errors"
"fmt"
"os"
"strings"
"github.com/doncicuto/glim/models"
"github.com/doncicuto/glim/types"
"github.com/google/uuid"
"github.com/sethvargo/go-password/password"
"gorm.io/driver/postgres"
"gorm.io/driver/sqlite"
"gorm.io/gorm"
"gorm.io/gorm/logger"
)
func createUsers(db *gorm.DB, dbInit types.DBInit) {
users := dbInit.Users
password := dbInit.DefaultPasswd
for _, username := range strings.Split(users, ",") {
var u models.User
err := db.Where("username = ?", username).Take(&u).Error
if errors.Is(err, gorm.ErrRecordNotFound) && username != "" {
createUser(db, username, password)
}
}
}
func createUser(db *gorm.DB, username string, password string) {
hash, err := models.Hash(password)
if err != nil {
fmt.Printf("Username: %s", "could not be created")
return
}
userUUID := uuid.New().String()
hashed := string(hash)
manager := false
readonly := false
if err := db.Create(&models.User{
Username: &username,
Password: &hashed,
Manager: &manager,
Readonly: &readonly,
UUID: &userUUID,
}).Error; err != nil {
fmt.Printf("Username: %s", "could not be created")
}
}
func createManager(db *gorm.DB, initialPassword string) error {
var chosenPassword string
var err error
if initialPassword == "" {
chosenPassword, err = password.Generate(64, 10, 0, false, true)
if err != nil {
return err
}
} else {
chosenPassword = initialPassword
}
hash, err := models.Hash(chosenPassword)
if err != nil {
return err
}
userUUID := uuid.New().String()
username := "admin"
firstname := "LDAP"
lastname := "administrator"
hashed := string(hash)
manager := true
readonly := false
if err := db.Create(&models.User{
Username: &username,
GivenName: &firstname,
Surname: &lastname,
Password: &hashed,
Manager: &manager,
Readonly: &readonly,
UUID: &userUUID,
}).Error; err != nil {
return err
}
if os.Getenv("ENV") != "test" {
fmt.Println("")
fmt.Println("------------------------------------- WARNING -------------------------------------")
fmt.Println("A new user with manager permissions has been created:")
fmt.Println("- Username: admin") // TODO - Allow username with env
fmt.Printf("- Password %s\n", chosenPassword)
fmt.Println("Please store or write down this password to manage Glim.")
fmt.Println("You can delete this user once you assign manager permissions to another user")
fmt.Println("-----------------------------------------------------------------------------------")
}
return nil
}
func createReadonly(db *gorm.DB, initialPassword string) error {
var chosenPassword string
var err error
if initialPassword == "" {
chosenPassword, err = password.Generate(64, 10, 0, false, true)
if err != nil {
return err
}
} else {
chosenPassword = initialPassword
}
hash, err := models.Hash(chosenPassword)
if err != nil {
return err
}
userUUID := uuid.New().String()
username := "search"
firstname := "Read-Only"
lastname := "Account"
hashed := string(hash)
manager := false
readonly := true
if err := db.Create(&models.User{
Username: &username,
GivenName: &firstname,
Surname: &lastname,
Password: &hashed,
Manager: &manager,
Readonly: &readonly,
UUID: &userUUID,
}).Error; err != nil {
return err
}
if os.Getenv("ENV") != "test" {
fmt.Println("")
fmt.Println("------------------------------------- WARNING -------------------------------------")
fmt.Println("A new user with read-only permissions has been created:")
fmt.Println("- Username: search") // TODO - Allow username with env
fmt.Printf("- Password %s\n", chosenPassword)
fmt.Println("Please store or write down this password to perform search queries in Glim.")
fmt.Println("-----------------------------------------------------------------------------------")
}
return nil
}
// Initialize - TODO common
func Initialize(dbName string, sqlLog bool, dbInit types.DBInit) (*gorm.DB, error) {
var db *gorm.DB
var err error
var gormConfig = &gorm.Config{}
// Enable sql logging
if sqlLog {
gormConfig.Logger = logger.Default.LogMode(logger.Info)
} else {
gormConfig.Logger = logger.Default.LogMode(logger.Silent)
}
if dbInit.UseSqlite {
db, err = gorm.Open(sqlite.Open(dbName), gormConfig)
} else {
dsn := fmt.Sprintf("host=%s user=%s password=%s dbname=%s port=%d ",
dbInit.PostgresHost,
dbInit.PostgresUser,
dbInit.PostgresPassword,
dbInit.PostgresDatabase,
dbInit.PostgresPort)
if dbInit.PostgresSSLRootCA != "" && dbInit.PostgresSSLClientCert != "" && dbInit.PostgresSSLClientKey != "" {
dsn += fmt.Sprintf(" sslmode=require sslrootcert=%s sslcert=%s sslkey=%s", dbInit.PostgresSSLRootCA, dbInit.PostgresSSLClientCert, dbInit.PostgresSSLClientKey)
} else {
dsn += " sslmode=disable"
}
db, err = gorm.Open(postgres.Open(dsn), gormConfig)
}
if err != nil {
return nil, err
}
// Migrate the schema
db.AutoMigrate(&models.User{})
db.AutoMigrate(&models.Group{})
// Do we have a manager? if not create one
var manager models.User
err = db.Where("manager = ?", true).Take(&manager).Error
if errors.Is(err, gorm.ErrRecordNotFound) {
if err := createManager(db, dbInit.AdminPasswd); err != nil {
return nil, err
}
}
var search models.User
err = db.Where("readonly = ?", true).Take(&search).Error
if errors.Is(err, gorm.ErrRecordNotFound) {
if err := createReadonly(db, dbInit.SearchPasswd); err != nil {
return nil, err
}
}
createUsers(db, dbInit)
return db, nil
}