Files
probo/pkg/usrmgr/usrmgr.go
2025-03-02 08:48:52 +01:00

423 lines
8.9 KiB
Go

// Copyright (c) 2025 Probo Inc <hello@getprobo.com>.
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
// PERFORMANCE OF THIS SOFTWARE.
package usrmgr
import (
"context"
"fmt"
"time"
"github.com/getprobo/probo/pkg/gid"
"github.com/getprobo/probo/pkg/usrmgr/coredata"
"github.com/jackc/pgx/v5"
"go.gearno.de/kit/migrator"
"go.gearno.de/kit/pg"
)
type (
Service struct {
pg *pg.Client
hp *HashingProfile
}
RegisterUserParams struct {
Email string
Password string
FullName string
}
ErrInvalidCredentials struct {
message string
}
ErrUserAlreadyExists struct {
message string
}
ErrSessionNotFound struct {
message string
}
ErrSessionExpired struct {
message string
}
)
func (e ErrInvalidCredentials) Error() string {
return e.message
}
func (e ErrUserAlreadyExists) Error() string {
return e.message
}
func (e ErrSessionNotFound) Error() string {
return e.message
}
func (e ErrSessionExpired) Error() string {
return e.message
}
func NewService(
ctx context.Context,
pgClient *pg.Client,
pepper []byte,
) (*Service, error) {
err := migrator.NewMigrator(pgClient, coredata.Migrations).Run(ctx, "migrations")
if err != nil {
return nil, fmt.Errorf("cannot migrate database schema: %w", err)
}
hp, err := NewHashingProfile(pepper)
if err != nil {
return nil, fmt.Errorf("cannot create hashing profile: %w", err)
}
return &Service{
pg: pgClient,
hp: hp,
}, nil
}
func (s Service) RegisterUser(
ctx context.Context,
params RegisterUserParams,
) (*coredata.User, error) {
if params.Email == "" || params.Password == "" || params.FullName == "" {
return nil, fmt.Errorf("email, password, and full name are required")
}
// Use a high iteration count for password hashing
const iterations = 600000
hashedPassword, err := s.hp.HashPassword([]byte(params.Password), iterations)
if err != nil {
return nil, fmt.Errorf("cannot hash password: %w", err)
}
now := time.Now()
user := &coredata.User{
ID: gid.New(),
EmailAddress: params.Email,
HashedPassword: hashedPassword,
FullName: params.FullName,
CreatedAt: now,
UpdatedAt: now,
}
err = s.pg.WithTx(
ctx,
func(tx pg.Conn) error {
// Check if user already exists
existingUser := &coredata.User{}
err := existingUser.LoadByEmail(ctx, tx, params.Email)
if err == nil {
return &ErrUserAlreadyExists{message: "user with this email already exists"}
}
// Insert the new user
if err := user.Insert(ctx, tx); err != nil {
return fmt.Errorf("cannot insert user: %w", err)
}
return nil
},
)
if err != nil {
return nil, err
}
return user, nil
}
func (s Service) Login(
ctx context.Context,
email string,
password string,
) (*coredata.Session, error) {
now := time.Now()
user := &coredata.User{}
session := &coredata.Session{
ID: gid.New(),
UserID: gid.GID{}, // Will be set after user is loaded
ExpiredAt: now.Add(24 * time.Hour),
CreatedAt: now,
UpdatedAt: now,
}
err := s.pg.WithTx(
ctx,
func(tx pg.Conn) error {
if err := user.LoadByEmail(ctx, tx, email); err != nil {
return &ErrInvalidCredentials{message: "invalid email or password"}
}
ok, err := s.hp.ComparePasswordAndHash([]byte(password), user.HashedPassword)
if err != nil {
return fmt.Errorf("cannot compare password: %w", err)
}
if !ok {
return &ErrInvalidCredentials{message: "invalid email or password"}
}
// Set the user ID in the session
session.UserID = user.ID
if err := session.Insert(ctx, tx); err != nil {
return fmt.Errorf("cannot insert session: %w", err)
}
return nil
},
)
if err != nil {
return nil, err
}
return session, nil
}
func (s Service) Logout(
ctx context.Context,
sessionID gid.GID,
) error {
return s.pg.WithTx(
ctx,
func(tx pg.Conn) error {
return coredata.DeleteSession(ctx, tx, sessionID)
},
)
}
func (s Service) GetSession(
ctx context.Context,
sessionID gid.GID,
) (*coredata.Session, error) {
session := &coredata.Session{}
err := s.pg.WithTx(
ctx,
func(tx pg.Conn) error {
if err := session.LoadByID(ctx, tx, sessionID); err != nil {
return &ErrSessionNotFound{message: "session not found"}
}
// Check if session is expired
if time.Now().After(session.ExpiredAt) {
// Delete expired session
if err := coredata.DeleteSession(ctx, tx, sessionID); err != nil {
return fmt.Errorf("cannot delete expired session: %w", err)
}
return &ErrSessionExpired{message: "session expired"}
}
return nil
},
)
if err != nil {
return nil, err
}
return session, nil
}
func (s Service) RefreshSession(
ctx context.Context,
sessionID gid.GID,
) (*coredata.Session, error) {
session := &coredata.Session{}
err := s.pg.WithTx(
ctx,
func(tx pg.Conn) error {
if err := session.LoadByID(ctx, tx, sessionID); err != nil {
return &ErrSessionNotFound{message: "session not found"}
}
// Check if session is expired
if time.Now().After(session.ExpiredAt) {
return &ErrSessionExpired{message: "session expired"}
}
// Update session expiration
now := time.Now()
session.ExpiredAt = now.Add(24 * time.Hour)
session.UpdatedAt = now
if err := session.Update(ctx, tx); err != nil {
return fmt.Errorf("cannot update session: %w", err)
}
return nil
},
)
if err != nil {
return nil, err
}
return session, nil
}
func (s Service) GetUserByID(
ctx context.Context,
userID gid.GID,
) (*coredata.User, error) {
user := &coredata.User{}
err := s.pg.WithTx(
ctx,
func(tx pg.Conn) error {
if err := user.LoadByID(ctx, tx, userID); err != nil {
return fmt.Errorf("user not found: %w", err)
}
return nil
},
)
if err != nil {
return nil, err
}
return user, nil
}
func (s Service) GetUserBySession(
ctx context.Context,
sessionID gid.GID,
) (*coredata.User, error) {
session, err := s.GetSession(ctx, sessionID)
if err != nil {
return nil, err
}
return s.GetUserByID(ctx, session.UserID)
}
// GetUserOrganization gets the organization ID for a user
func (s Service) GetUserOrganization(
ctx context.Context,
userID gid.GID,
) (gid.GID, error) {
user, err := s.GetUserByID(ctx, userID)
if err != nil {
return gid.GID{}, err
}
return user.OrganizationID, nil
}
// GetUserOrganizations gets all organizations for a user
func (s Service) GetUserOrganizations(
ctx context.Context,
userID gid.GID,
) ([]gid.GID, error) {
q := `
SELECT
organization_id
FROM
usrmgr_user_organizations
WHERE
user_id = @user_id;
`
args := pgx.StrictNamedArgs{"user_id": userID}
var organizationIDs []gid.GID
err := s.pg.WithTx(
ctx,
func(tx pg.Conn) error {
rows, err := tx.Query(ctx, q, args)
if err != nil {
return fmt.Errorf("failed to query user organizations: %w", err)
}
defer rows.Close()
for rows.Next() {
var organizationID gid.GID
if err := rows.Scan(&organizationID); err != nil {
return fmt.Errorf("failed to scan organization ID: %w", err)
}
organizationIDs = append(organizationIDs, organizationID)
}
if err := rows.Err(); err != nil {
return fmt.Errorf("error iterating over rows: %w", err)
}
return nil
},
)
if err != nil {
return nil, err
}
return organizationIDs, nil
}
// AddUserToOrganization adds a user to an organization
func (s Service) AddUserToOrganization(
ctx context.Context,
userID gid.GID,
organizationID gid.GID,
) error {
q := `
INSERT INTO
usrmgr_user_organizations (user_id, organization_id, created_at)
VALUES
(@user_id, @organization_id, NOW())
ON CONFLICT (user_id, organization_id) DO NOTHING;
`
args := pgx.StrictNamedArgs{
"user_id": userID,
"organization_id": organizationID,
}
return s.pg.WithTx(
ctx,
func(tx pg.Conn) error {
_, err := tx.Exec(ctx, q, args)
if err != nil {
return fmt.Errorf("failed to add user to organization: %w", err)
}
return nil
},
)
}
// GetUserIDFromContext gets the user ID from the context
func (s Service) GetUserIDFromContext(ctx context.Context) (gid.GID, error) {
// Get the session ID from the context
sessionID, ok := ctx.Value("session_id").(gid.GID)
if !ok {
return gid.GID{}, fmt.Errorf("no session ID in context")
}
// Get the session
session, err := s.GetSession(ctx, sessionID)
if err != nil {
return gid.GID{}, fmt.Errorf("failed to get session: %w", err)
}
return session.UserID, nil
}