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mirror of https://github.com/raseels-repos/golang-saas-starter-kit.git synced 2025-06-04 23:37:49 +02:00
2019-08-14 17:59:47 -08:00

280 lines
11 KiB
Go

package user
import (
"context"
"database/sql"
"encoding/json"
"strconv"
"strings"
"time"
"geeks-accelerator/oss/saas-starter-kit/internal/platform/notify"
"geeks-accelerator/oss/saas-starter-kit/internal/platform/web"
"geeks-accelerator/oss/saas-starter-kit/internal/platform/web/webcontext"
"github.com/jmoiron/sqlx"
"github.com/lib/pq"
"github.com/pkg/errors"
"github.com/sudo-suhas/symcrypto"
)
// Repository defines the required dependencies for User.
type Repository struct {
DbConn *sqlx.DB
ResetUrl func(string) string
Notify notify.Email
secretKey string
}
// NewRepository creates a new Repository that defines dependencies for User.
func NewRepository(db *sqlx.DB, resetUrl func(string) string, notify notify.Email, secretKey string) *Repository {
return &Repository{
DbConn: db,
ResetUrl: resetUrl,
Notify: notify,
secretKey: secretKey,
}
}
// User represents someone with access to our system.
type User struct {
ID string `json:"id" validate:"required,uuid" example:"d69bdef7-173f-4d29-b52c-3edc60baf6a2"`
FirstName string `json:"first_name" validate:"required" example:"Gabi"`
LastName string `json:"last_name" validate:"required" example:"May"`
Email string `json:"email" validate:"required,email,unique" example:"gabi@geeksinthewoods.com"`
PasswordSalt string `json:"-" validate:"required"`
PasswordHash []byte `json:"-" validate:"required"`
PasswordReset *sql.NullString `json:"-"`
Timezone *string `json:"timezone" validate:"omitempty" example:"America/Anchorage"`
CreatedAt time.Time `json:"created_at"`
UpdatedAt time.Time `json:"updated_at"`
ArchivedAt *pq.NullTime `json:"archived_at,omitempty"`
}
// UserResponse represents someone with access to our system that is returned for display.
type UserResponse struct {
ID string `json:"id" example:"d69bdef7-173f-4d29-b52c-3edc60baf6a2"`
Name string `json:"name" example:"Gabi"`
FirstName string `json:"first_name" example:"Gabi"`
LastName string `json:"last_name" example:"May"`
Email string `json:"email" example:"gabi@geeksinthewoods.com"`
Timezone string `json:"timezone" example:"America/Anchorage"`
CreatedAt web.TimeResponse `json:"created_at"` // CreatedAt contains multiple format options for display.
UpdatedAt web.TimeResponse `json:"updated_at"` // UpdatedAt contains multiple format options for display.
ArchivedAt *web.TimeResponse `json:"archived_at,omitempty"` // ArchivedAt contains multiple format options for display.
Gravatar web.GravatarResponse `json:"gravatar"`
}
// Response transforms User and UserResponse that is used for display.
// Additional filtering by context values or translations could be applied.
func (m *User) Response(ctx context.Context) *UserResponse {
if m == nil {
return nil
}
r := &UserResponse{
ID: m.ID,
Name: m.FirstName + " " + m.LastName,
FirstName: m.FirstName,
LastName: m.LastName,
Email: m.Email,
CreatedAt: web.NewTimeResponse(ctx, m.CreatedAt),
UpdatedAt: web.NewTimeResponse(ctx, m.UpdatedAt),
Gravatar: web.NewGravatarResponse(ctx, m.Email),
}
if m.Timezone != nil {
r.Timezone = *m.Timezone
}
if m.ArchivedAt != nil && !m.ArchivedAt.Time.IsZero() {
at := web.NewTimeResponse(ctx, m.ArchivedAt.Time)
r.ArchivedAt = &at
}
return r
}
func (m *UserResponse) UnmarshalBinary(data []byte) error {
if data == nil || len(data) == 0 {
return nil
}
// convert data to yours, let's assume its json data
return json.Unmarshal(data, m)
}
func (m *UserResponse) MarshalBinary() ([]byte, error) {
return json.Marshal(m)
}
// Users a list of Users.
type Users []*User
// Response transforms a list of Users to a list of UserResponses.
func (m *Users) Response(ctx context.Context) []*UserResponse {
var l []*UserResponse
if m != nil && len(*m) > 0 {
for _, n := range *m {
l = append(l, n.Response(ctx))
}
}
return l
}
// UserCreateRequest contains information needed to create a new User.
type UserCreateRequest struct {
FirstName string `json:"first_name" validate:"required" example:"Gabi"`
LastName string `json:"last_name" validate:"required" example:"May"`
Email string `json:"email" validate:"required,email,unique" example:"gabi@geeksinthewoods.com"`
Password string `json:"password" validate:"required" example:"SecretString"`
PasswordConfirm string `json:"password_confirm" validate:"required,eqfield=Password" example:"SecretString"`
Timezone *string `json:"timezone,omitempty" validate:"omitempty" example:"America/Anchorage"`
}
// UserCreateInviteRequest contains information needed to create a new User.
type UserCreateInviteRequest struct {
Email string `json:"email" validate:"required,email,unique" example:"gabi@geeksinthewoods.com"`
}
// UserReadRequest defines the information needed to read an user.
type UserReadRequest struct {
ID string `json:"id" validate:"required,uuid" example:"d69bdef7-173f-4d29-b52c-3edc60baf6a2"`
IncludeArchived bool `json:"include-archived" example:"false"`
}
// UserUpdateRequest defines what information may be provided to modify an existing
// User. All fields are optional so clients can send just the fields they want
// changed. It uses pointer fields so we can differentiate between a field that
// was not provided and a field that was provided as explicitly blank. Normally
// we do not want to use pointers to basic types but we make exceptions around
// marshalling/unmarshalling.
type UserUpdateRequest struct {
ID string `json:"id" validate:"required,uuid" example:"d69bdef7-173f-4d29-b52c-3edc60baf6a2"`
FirstName *string `json:"first_name,omitempty" validate:"omitempty" example:"Gabi May Not"`
LastName *string `json:"last_name,omitempty" validate:"omitempty" example:"Gabi May Not"`
Email *string `json:"email,omitempty" validate:"omitempty,email,unique" example:"gabi.may@geeksinthewoods.com"`
Timezone *string `json:"timezone,omitempty" validate:"omitempty" example:"America/Anchorage"`
}
// UserUpdatePasswordRequest defines what information is required to update a user password.
type UserUpdatePasswordRequest struct {
ID string `json:"id" validate:"required,uuid" example:"d69bdef7-173f-4d29-b52c-3edc60baf6a2"`
Password string `json:"password" validate:"required" example:"NeverTellSecret"`
PasswordConfirm string `json:"password_confirm" validate:"required,eqfield=Password" example:"NeverTellSecret"`
}
// UserArchiveRequest defines the information needed to archive an user. This will archive (soft-delete) the
// existing database entry.
type UserArchiveRequest struct {
ID string `json:"id" validate:"required,uuid" example:"d69bdef7-173f-4d29-b52c-3edc60baf6a2"`
force bool
}
// UserRestoreRequest defines the information needed to restore an user.
type UserRestoreRequest struct {
ID string `json:"id" validate:"required,uuid" example:"d69bdef7-173f-4d29-b52c-3edc60baf6a2"`
}
// UserDeleteRequest defines the information needed to delete a user.
type UserDeleteRequest struct {
ID string `json:"id" validate:"required,uuid" example:"d69bdef7-173f-4d29-b52c-3edc60baf6a2"`
force bool
}
// UserFindRequest defines the possible options to search for users. By default
// archived users will be excluded from response.
type UserFindRequest struct {
Where string `json:"where" example:"name = ? and email = ?"`
Args []interface{} `json:"args" swaggertype:"array,string" example:"Company Name,gabi.may@geeksinthewoods.com"`
Order []string `json:"order" example:"created_at desc"`
Limit *uint `json:"limit" example:"10"`
Offset *uint `json:"offset" example:"20"`
IncludeArchived bool `json:"include-archived" example:"false"`
}
// UserResetPasswordRequest defines the fields need to reset a user password.
type UserResetPasswordRequest struct {
Email string `json:"email" validate:"required,email" example:"gabi.may@geeksinthewoods.com"`
TTL time.Duration `json:"ttl,omitempty" `
}
// ResetHash
type ResetHash struct {
ResetID string `json:"reset_id" validate:"required" example:"d69bdef7-173f-4d29-b52c-3edc60baf6a2"`
CreatedAt int `json:"created_at" validate:"required"`
ExpiresAt int `json:"expires_at" validate:"required"`
RequestIP string `json:"request_ip" validate:"required,ip" example:"69.56.104.36"`
}
// UserResetConfirmRequest defines the fields need to reset a user password.
type UserResetConfirmRequest struct {
ResetHash string `json:"reset_hash" validate:"required" example:"d69bdef7-173f-4d29-b52c-3edc60baf6a2"`
Password string `json:"password" validate:"required" example:"SecretString"`
PasswordConfirm string `json:"password_confirm" validate:"required,eqfield=Password" example:"SecretString"`
}
// NewResetHash generates a new encrypt reset hash that is web safe for use in URLs.
func NewResetHash(ctx context.Context, secretKey, resetId, requestIp string, ttl time.Duration, now time.Time) (string, error) {
// Generate a string that embeds additional information.
hashPts := []string{
resetId,
strconv.Itoa(int(now.UTC().Unix())),
strconv.Itoa(int(now.UTC().Add(ttl).Unix())),
requestIp,
}
hashStr := strings.Join(hashPts, "|")
// This returns the nonce appended with the encrypted string.
crypto, err := symcrypto.New(secretKey)
if err != nil {
return "", errors.WithStack(err)
}
encrypted, err := crypto.Encrypt(hashStr)
if err != nil {
return "", errors.WithStack(err)
}
return encrypted, nil
}
// ParseResetHash extracts the details encrypted in the hash string.
func ParseResetHash(ctx context.Context, secretKey string, str string, now time.Time) (*ResetHash, error) {
crypto, err := symcrypto.New(secretKey)
if err != nil {
return nil, errors.WithStack(err)
}
hashStr, err := crypto.Decrypt(str)
if err != nil {
return nil, errors.WithStack(err)
}
hashPts := strings.Split(hashStr, "|")
var hash ResetHash
if len(hashPts) == 4 {
hash.ResetID = hashPts[0]
hash.CreatedAt, _ = strconv.Atoi(hashPts[1])
hash.ExpiresAt, _ = strconv.Atoi(hashPts[2])
hash.RequestIP = hashPts[3]
}
// Validate the hash.
err = webcontext.Validator().StructCtx(ctx, hash)
if err != nil {
return nil, err
}
if int64(hash.ExpiresAt) < now.UTC().Unix() {
err = errors.WithMessage(ErrResetExpired, "Password reset has expired.")
return nil, err
}
return &hash, nil
}
// ParseResetHash extracts the details encrypted in the hash string.
func (repo *Repository) ParseResetHash(ctx context.Context, str string, now time.Time) (*ResetHash, error) {
return ParseResetHash(ctx, repo.secretKey, str, now)
}