Files
golunteer/backend/pkg/db/setup.go
2025-01-23 10:12:12 +00:00

81 lines
2.4 KiB
Go

package db
import (
"bytes"
"fmt"
"math/rand/v2"
"os"
"github.com/google/uuid"
_config "github.com/johannesbuehl/golunteer/backend/pkg/config"
"golang.org/x/crypto/bcrypt"
"gopkg.in/yaml.v3"
)
func createPassword(l int) string {
passwordChars := [...]string{`A`, `B`, `C`, `D`, `E`, `F`, `G`, `H`, `I`, `J`, `K`, `L`, `M`, `N`, `O`, `P`, `Q`, `R`, `S`, `T`, `U`, `V`, `W`, `X`, `Y`, `Z`, `Ä`, `Ö`, `Ü`, `a`, `b`, `c`, `d`, `e`, `f`, `g`, `h`, `i`, `j`, `k`, `l`, `m`, `n`, `o`, `p`, `q`, `r`, `s`, `t`, `u`, `v`, `w`, `x`, `y`, `z`, `ä`, `ö`, `ü`, `ß`, `0`, `1`, `2`, `3`, `4`, `5`, `6`, `7`, `8`, `9`, `!`, `"`, `§`, `$`, `%`, `&`, `/`, `(`, `)`, `=`, `?`, `@`, `{`, `}`, `[`, `]`, `#`, `+`, `'`, `*`, `,`, `.`, `-`, `;`, `:`, `_`, `<`, `>`, `|`, `°`}
var password string
for ii := 0; ii < l; ii++ {
password += passwordChars[rand.IntN(len(passwordChars))]
}
return password
}
func setup() {
fmt.Println("Creating admin-password:")
// create an admin-password
const passwordLength = 20
password := createPassword(passwordLength)
// hash the admin-password
if passwordHash, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost); err != nil {
panic(fmt.Errorf("can't generate password: %v", err))
} else {
fmt.Println("\thashed password")
// create an admin-user
user := struct {
UserName string `db:"userName"`
Password []byte `db:"password"`
Admin bool `db:"admin"`
TokenID string `db:"tokenID"`
}{
UserName: "admin",
Password: passwordHash,
Admin: true,
TokenID: uuid.NewString(),
}
if _, err := DB.NamedExec("INSERT INTO USERS (userName, password, tokenID, admin) VALUES (:userName, :password, :tokenID, :admin)", &user); err != nil {
panic(fmt.Errorf("can't insert admin-user into the database: %v", err))
}
fmt.Println("\twrote hashed password to database")
}
fmt.Printf("created user \"admin\" with password %s\n", password)
// create a jwt-signature
config.ClientSession.JwtSignature = createPassword(100)
// write the modified config-file
WriteConfig()
}
func WriteConfig() {
buf := bytes.Buffer{}
enc := yaml.NewEncoder(&buf)
enc.SetIndent(2)
// Can set default indent here on the encoder
if err := enc.Encode(&config.ConfigYaml); err != nil {
panic(err)
} else {
if err := os.WriteFile(_config.CONFIG_PATH, buf.Bytes(), 0644); err != nil {
panic(err)
}
}
}