go-loose/internal/store/clientauth.go
2026-10-01 23:15:57 +02:00

299 lines
11 KiB
Go

package store
import (
"context"
"database/sql"
"encoding/json"
"errors"
"time"
)
type ManagedUser struct {
ID string `json:"id"`
TenantID string `json:"tenant_id"`
Email string `json:"email"`
DisplayName string `json:"display_name"`
Role string `json:"role"`
Status string `json:"status"`
ApplicationIDs []string `json:"application_ids"`
}
type ClientApplication struct {
ID string
TenantID string
TenantSlug string
TenantName string
Application string
Name string
ClientID string
}
type ClientUser struct {
ID string `json:"id"`
Email string `json:"email"`
DisplayName string `json:"display_name"`
TenantID string `json:"tenant_id"`
TenantSlug string `json:"tenant_slug"`
ApplicationID string `json:"application_id"`
Application string `json:"application"`
}
func (s *Store) ListManagedUsers(ctx context.Context, administratorID string) ([]ManagedUser, error) {
rows, err := s.db.QueryContext(ctx, `
SELECT u.id, m.tenant_id, u.email, u.display_name, m.role,
CASE WHEN u.subject LIKE 'invited:%' THEN 'invited' ELSE 'active' END,
COALESCE((
SELECT json_agg(ua.application_id ORDER BY ua.application_id)
FROM user_application_access ua
JOIN applications a ON a.id = ua.application_id
WHERE ua.user_id = u.id AND a.tenant_id = m.tenant_id
), '[]'::json)
FROM users u
JOIN memberships m ON m.user_id = u.id
WHERE EXISTS (
SELECT 1 FROM memberships own
WHERE own.tenant_id = m.tenant_id AND own.user_id = $1
AND own.role IN ('owner', 'admin')
)
ORDER BY u.email, m.tenant_id`, administratorID)
if err != nil {
return nil, err
}
defer rows.Close()
result := make([]ManagedUser, 0)
for rows.Next() {
var user ManagedUser
var applicationIDs []byte
if err := rows.Scan(&user.ID, &user.TenantID, &user.Email, &user.DisplayName, &user.Role, &user.Status, &applicationIDs); err != nil {
return nil, err
}
if err := json.Unmarshal(applicationIDs, &user.ApplicationIDs); err != nil {
return nil, err
}
result = append(result, user)
}
return result, rows.Err()
}
func (s *Store) InviteUser(ctx context.Context, administratorID, tenantID, email, displayName, role, passwordHash string) (ManagedUser, error) {
tx, err := s.db.BeginTx(ctx, nil)
if err != nil {
return ManagedUser{}, err
}
defer tx.Rollback()
var permitted bool
if err := tx.QueryRowContext(ctx, `
SELECT EXISTS(
SELECT 1 FROM memberships
WHERE tenant_id = $1 AND user_id = $2 AND role IN ('owner', 'admin')
)`, tenantID, administratorID).Scan(&permitted); err != nil {
return ManagedUser{}, err
}
if !permitted {
return ManagedUser{}, ErrNotFound
}
var user ManagedUser
err = tx.QueryRowContext(ctx, `
INSERT INTO users(subject, email, display_name, password_hash, password_changed_at)
VALUES ('invited:' || gen_random_uuid()::text, lower($1), $2, $3, now())
ON CONFLICT ((lower(email))) DO UPDATE SET
display_name = EXCLUDED.display_name,
password_hash = EXCLUDED.password_hash,
password_changed_at = now()
RETURNING id, email, display_name,
CASE WHEN subject LIKE 'invited:%' THEN 'invited' ELSE 'active' END`,
email, displayName, passwordHash).Scan(&user.ID, &user.Email, &user.DisplayName, &user.Status)
if err != nil {
return ManagedUser{}, err
}
if _, err := tx.ExecContext(ctx, `
INSERT INTO memberships(tenant_id, user_id, role) VALUES ($1, $2, $3)
ON CONFLICT (tenant_id, user_id) DO UPDATE SET role = EXCLUDED.role`,
tenantID, user.ID, role); err != nil {
return ManagedUser{}, err
}
if err := tx.Commit(); err != nil {
return ManagedUser{}, err
}
user.TenantID, user.Role, user.ApplicationIDs = tenantID, role, []string{}
return user, nil
}
func (s *Store) SetUserAccess(ctx context.Context, administratorID, tenantID, userID, role string, applicationIDs []string) error {
tx, err := s.db.BeginTx(ctx, nil)
if err != nil {
return err
}
defer tx.Rollback()
result, err := tx.ExecContext(ctx, `
UPDATE memberships target SET role = $4
FROM memberships administrator
WHERE target.tenant_id = $1 AND target.user_id = $2
AND administrator.tenant_id = target.tenant_id
AND administrator.user_id = $3 AND administrator.role IN ('owner', 'admin')`,
tenantID, userID, administratorID, role)
if err != nil {
return err
}
if count, _ := result.RowsAffected(); count == 0 {
return ErrNotFound
}
if _, err := tx.ExecContext(ctx, `
DELETE FROM user_application_access ua
USING applications a
WHERE ua.application_id = a.id AND a.tenant_id = $1 AND ua.user_id = $2`,
tenantID, userID); err != nil {
return err
}
for _, applicationID := range applicationIDs {
result, err := tx.ExecContext(ctx, `
INSERT INTO user_application_access(application_id, user_id, granted_by)
SELECT id, $2, $3 FROM applications WHERE id = $1 AND tenant_id = $4
ON CONFLICT DO NOTHING`, applicationID, userID, administratorID, tenantID)
if err != nil {
return err
}
if count, _ := result.RowsAffected(); count == 0 {
return ErrNotFound
}
}
return tx.Commit()
}
func (s *Store) ConfigureClient(ctx context.Context, administratorID, applicationID string, redirectURIs []string, secretHash []byte) (Application, error) {
var app Application
var encoded []byte
err := s.db.QueryRowContext(ctx, `
UPDATE applications a
SET redirect_uris = $3, client_secret_hash = $4, updated_at = now()
FROM memberships m
WHERE a.id = $1 AND m.tenant_id = a.tenant_id AND m.user_id = $2
AND m.role IN ('owner', 'admin')
RETURNING a.id, a.client_id, to_json(a.redirect_uris), true`,
applicationID, administratorID, redirectURIs, secretHash).
Scan(&app.ID, &app.ClientID, &encoded, &app.ClientReady)
if errors.Is(err, sql.ErrNoRows) {
return Application{}, ErrNotFound
}
if err == nil {
err = json.Unmarshal(encoded, &app.RedirectURIs)
}
return app, err
}
func (s *Store) ClientForAuthorization(ctx context.Context, clientID, redirectURI, userID string) (ClientApplication, error) {
var app ClientApplication
err := s.db.QueryRowContext(ctx, `
SELECT a.id, a.tenant_id, t.slug, t.name, a.slug, a.name, a.client_id
FROM applications a
JOIN tenants t ON t.id = a.tenant_id
JOIN user_application_access ua ON ua.application_id = a.id AND ua.user_id = $3
WHERE a.client_id = $1 AND $2 = ANY(a.redirect_uris)
AND a.client_secret_hash IS NOT NULL`,
clientID, redirectURI, userID).
Scan(&app.ID, &app.TenantID, &app.TenantSlug, &app.TenantName, &app.Application, &app.Name, &app.ClientID)
if errors.Is(err, sql.ErrNoRows) {
return ClientApplication{}, ErrNotFound
}
return app, err
}
func (s *Store) ValidateClientRedirect(ctx context.Context, clientID, redirectURI string) (ClientApplication, error) {
var app ClientApplication
err := s.db.QueryRowContext(ctx, `
SELECT a.id, a.tenant_id, t.slug, t.name, a.slug, a.name, a.client_id
FROM applications a
JOIN tenants t ON t.id = a.tenant_id
WHERE a.client_id = $1 AND $2 = ANY(a.redirect_uris)
AND a.client_secret_hash IS NOT NULL`,
clientID, redirectURI).
Scan(&app.ID, &app.TenantID, &app.TenantSlug, &app.TenantName, &app.Application, &app.Name, &app.ClientID)
if errors.Is(err, sql.ErrNoRows) {
return ClientApplication{}, ErrNotFound
}
return app, err
}
func (s *Store) ClientByID(ctx context.Context, clientID string) (ClientApplication, error) {
var app ClientApplication
err := s.db.QueryRowContext(ctx, `
SELECT a.id, a.tenant_id, t.slug, t.name, a.slug, a.name, a.client_id
FROM applications a
JOIN tenants t ON t.id = a.tenant_id
WHERE a.client_id = $1 AND a.client_secret_hash IS NOT NULL`,
clientID).
Scan(&app.ID, &app.TenantID, &app.TenantSlug, &app.TenantName, &app.Application, &app.Name, &app.ClientID)
if errors.Is(err, sql.ErrNoRows) {
return ClientApplication{}, ErrNotFound
}
return app, err
}
func (s *Store) CreateAuthorizationCode(ctx context.Context, applicationID, userID, redirectURI string, codeHash []byte) error {
_, err := s.db.ExecContext(ctx, `
INSERT INTO client_authorization_codes(code_hash, application_id, user_id, redirect_uri, expires_at)
VALUES ($1, $2, $3, $4, now() + interval '2 minutes')`,
codeHash, applicationID, userID, redirectURI)
return err
}
func (s *Store) ExchangeAuthorizationCode(ctx context.Context, clientID, redirectURI string, secretHash, codeHash, tokenHash []byte) (ClientUser, time.Time, error) {
tx, err := s.db.BeginTx(ctx, nil)
if err != nil {
return ClientUser{}, time.Time{}, err
}
defer tx.Rollback()
var user ClientUser
err = tx.QueryRowContext(ctx, `
UPDATE client_authorization_codes c SET used_at = now()
FROM applications a, tenants t, users u
WHERE c.code_hash = $1 AND c.used_at IS NULL AND c.expires_at > now()
AND c.redirect_uri = $2 AND a.id = c.application_id
AND a.client_id = $3 AND a.client_secret_hash = $4
AND t.id = a.tenant_id AND u.id = c.user_id
RETURNING u.id, u.email, u.display_name, t.id, t.slug, a.id, a.slug`,
codeHash, redirectURI, clientID, secretHash).
Scan(&user.ID, &user.Email, &user.DisplayName, &user.TenantID, &user.TenantSlug, &user.ApplicationID, &user.Application)
if errors.Is(err, sql.ErrNoRows) {
return ClientUser{}, time.Time{}, ErrNotFound
}
if err != nil {
return ClientUser{}, time.Time{}, err
}
expiresAt := time.Now().UTC().Add(12 * time.Hour)
if _, err := tx.ExecContext(ctx, `
INSERT INTO client_user_sessions(token_hash, application_id, user_id, expires_at)
VALUES ($1, $2, $3, $4)`, tokenHash, user.ApplicationID, user.ID, expiresAt); err != nil {
return ClientUser{}, time.Time{}, err
}
return user, expiresAt, tx.Commit()
}
func (s *Store) ClientUserByToken(ctx context.Context, tokenHash []byte) (ClientUser, error) {
var user ClientUser
err := s.db.QueryRowContext(ctx, `
UPDATE client_user_sessions s SET last_used_at = now()
FROM applications a, tenants t, users u, user_application_access ua
WHERE s.token_hash = $1 AND s.revoked_at IS NULL AND s.expires_at > now()
AND a.id = s.application_id AND t.id = a.tenant_id AND u.id = s.user_id
AND ua.application_id = a.id AND ua.user_id = u.id
RETURNING u.id, u.email, u.display_name, t.id, t.slug, a.id, a.slug`,
tokenHash).Scan(&user.ID, &user.Email, &user.DisplayName, &user.TenantID, &user.TenantSlug, &user.ApplicationID, &user.Application)
if errors.Is(err, sql.ErrNoRows) {
return ClientUser{}, ErrNotFound
}
return user, err
}
func (s *Store) RevokeClientSession(ctx context.Context, tokenHash []byte) error {
result, err := s.db.ExecContext(ctx, `
UPDATE client_user_sessions SET revoked_at = now()
WHERE token_hash = $1 AND revoked_at IS NULL`, tokenHash)
if err != nil {
return err
}
if count, _ := result.RowsAffected(); count == 0 {
return ErrNotFound
}
return nil
}