First pass of authentication

models/users.go

@@ -1,6 +1,10 @@
 package models
 
-import "time"
+import (
+	"time"
+
+	"golang.org/x/crypto/bcrypt"
+)
 
 type User struct {
 	ID             int64
@@ -9,6 +13,16 @@ type User struct {
 	TimeZone       string
 }
 
+func (u *User) SetPassword(pwd string) {
+	bcrypted, _ := bcrypt.GenerateFromPassword([]byte(pwd), bcrypt.DefaultCost)
+	u.PasswordHashed = bcrypted
+}
+
+func (u User) CheckPassword(pwd string) bool {
+	err := bcrypt.CompareHashAndPassword(u.PasswordHashed, []byte(pwd))
+	return err == nil
+}
+
 func (u User) FormatTime(t time.Time) string {
 	if loc := getLocation(u.TimeZone); loc != nil {
 		return t.In(loc).Format("2006-01-02 15:04:05")