Mostly finish docs

Actually start to parse things

internal/darkstorm_backend/user.go

@@ -3,11 +3,17 @@ package darkstorm
 import (
 	"crypto/rand"
 	"encoding/base64"
+	"errors"
+	"net/http"
 
 	"github.com/google/uuid"
 	"golang.org/x/crypto/argon2"
 )
 
+var (
+	ErrPasswordLength = errors.New("password length must be 12-128")
+)
+
 func generateSalt() (string, error) {
 	out := make([]byte, 16)
 	_, err := rand.Read(out)
@@ -24,7 +30,16 @@ type User struct {
 	PasswordChange uint64
 }
 
+type ReqUser struct {
+	Perm     map[string]string
+	ID       string
+	Username string
+}
+
 func NewUser(username, password, email string) (*User, error) {
+	if len(password) < 12 || len(password) > 128 {
+		return nil, ErrPasswordLength
+	}
 	id, err := uuid.NewV7()
 	if err != nil {
 		return nil, err
@@ -44,7 +59,19 @@ func NewUser(username, password, email string) (*User, error) {
 	return out, err
 }
 
-func (u *User) HashPassword(password string) (string, error) {
+func (u User) GetID() string {
+	return u.ID
+}
+
+func (u User) toReqUser() ReqUser {
+	return ReqUser{
+		Perm:     u.Perm,
+		ID:       u.ID,
+		Username: u.Username,
+	}
+}
+
+func (u User) HashPassword(password string) (string, error) {
 	salt, err := base64.RawStdEncoding.DecodeString(u.Salt)
 	if err != nil {
 		return "", err
@@ -53,10 +80,39 @@ func (u *User) HashPassword(password string) (string, error) {
 	return base64.RawStdEncoding.EncodeToString(res), nil
 }
 
-func (u *User) ValidatePassword(password string) (bool, error) {
+func (u User) ValidatePassword(password string) (bool, error) {
 	hsh, err := u.HashPassword(password)
 	if err != nil {
 		return false, err
 	}
 	return hsh == u.Password, nil
 }
+
+type createUserRequest struct {
+	Username string
+	Password string
+	Email    string
+}
+
+type createUserReturn struct {
+	Username string
+	Token    string
+}
+
+func (b *Backend) CreateUser(w http.ResponseWriter, r *http.Request) {
+	//TODO
+}
+
+type loginRequest struct {
+	Username string
+	Password string
+}
+
+type loginReturn struct {
+	Token   string
+	Timeout int
+}
+
+func (b *Backend) Login(w http.ResponseWriter, r *http.Request) {
+	//TODO
+}