增加备份和导出功能

server/utils/password.go

@@ -0,0 +1,44 @@
+package utils
+
+import (
+	"math/rand"
+	"time"
+
+	"golang.org/x/crypto/bcrypt"
+)
+
+type Bcrypt struct {
+	cost int
+}
+
+func (b *Bcrypt) Encode(password []byte) ([]byte, error) {
+	return bcrypt.GenerateFromPassword(password, b.cost)
+}
+
+func (b *Bcrypt) Match(hashedPassword, password []byte) error {
+	return bcrypt.CompareHashAndPassword(hashedPassword, password)
+}
+
+var Encoder = Bcrypt{
+	cost: bcrypt.DefaultCost,
+}
+
+func GenPassword() string {
+	rand.Seed(time.Now().UnixNano())
+	digits := "0123456789"
+	specials := "~=+%^*/()[]{}/!@#$?|"
+	all := "ABCDEFGHIJKLMNOPQRSTUVWXYZ" +
+		"abcdefghijklmnopqrstuvwxyz" +
+		digits + specials
+	length := 8
+	buf := make([]byte, length)
+	buf[0] = digits[rand.Intn(len(digits))]
+	buf[1] = specials[rand.Intn(len(specials))]
+	for i := 2; i < length; i++ {
+		buf[i] = all[rand.Intn(len(all))]
+	}
+	rand.Shuffle(len(buf), func(i, j int) {
+		buf[i], buf[j] = buf[j], buf[i]
+	})
+	return string(buf)
+}