82 lines
1.4 KiB
Go
82 lines
1.4 KiB
Go
package utils
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import (
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"database/sql/driver"
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"fmt"
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"github.com/gofrs/uuid"
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"golang.org/x/crypto/bcrypt"
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"net"
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"strconv"
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"time"
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)
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type JsonTime struct {
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time.Time
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}
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func NewJsonTime(t time.Time) JsonTime {
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return JsonTime{
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Time: t,
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}
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}
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func NowJsonTime() JsonTime {
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return JsonTime{
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Time: time.Now(),
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}
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}
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func (t JsonTime) MarshalJSON() ([]byte, error) {
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var stamp = fmt.Sprintf("\"%s\"", t.Format("2006-01-02 15:04:05"))
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return []byte(stamp), nil
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}
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func (t JsonTime) Value() (driver.Value, error) {
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var zeroTime time.Time
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if t.Time.UnixNano() == zeroTime.UnixNano() {
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return nil, nil
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}
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return t.Time, nil
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}
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func (t *JsonTime) Scan(v interface{}) error {
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value, ok := v.(time.Time)
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if ok {
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*t = JsonTime{Time: value}
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return nil
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}
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return fmt.Errorf("can not convert %v to timestamp", v)
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}
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type Bcrypt struct {
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cost int
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}
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func (b *Bcrypt) Encode(password []byte) ([]byte, error) {
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return bcrypt.GenerateFromPassword(password, b.cost)
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}
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func (b *Bcrypt) Match(hashedPassword, password []byte) error {
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return bcrypt.CompareHashAndPassword(hashedPassword, password)
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}
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var Encoder = Bcrypt{
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cost: bcrypt.DefaultCost,
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}
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func UUID() string {
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v4, _ := uuid.NewV4()
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return v4.String()
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}
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func Tcping(ip string, port int) bool {
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var conn net.Conn
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var err error
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if conn, err = net.DialTimeout("tcp", ip+":"+strconv.Itoa(port), 2*time.Second); err != nil {
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return false
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}
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defer conn.Close()
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return true
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}
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