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Initial import of AlgaPSA codebase from PSA server
Excluded: .git, node_modules, secrets/, compose.env, assemblyscript tgz

Source: /opt/alga-psa on psa.joliet.tech
2026-06-22 16:12:17 -05:00

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Markdown

# Server Mobile Auth Configuration (Hosted)
Last updated: 2026-02-03
This document describes how to enable and configure the server-side “web login → mobile handoff” flow for the Alga PSA mobile app.
## Overview
Mobile login reuses the existing web sign-in (`/auth/signin`) and SSO providers. After successful login, the browser is redirected to `/auth/mobile/handoff`, which issues a one-time token (OTT) and redirects back into the app via deep link.
## Endpoints
- Browser handoff:
- `GET /auth/mobile/handoff?redirect={deepLink}&state={state}`
- Mobile API:
- `GET /api/v1/mobile/auth/capabilities`
- `POST /api/v1/mobile/auth/exchange`
- `POST /api/v1/mobile/auth/refresh`
- `POST /api/v1/mobile/auth/revoke`
## Environment Variables
### Token TTLs (seconds)
- `ALGA_MOBILE_OTT_TTL_SEC` (default: `60`)
- `ALGA_MOBILE_ACCESS_TTL_SEC` (default: `900` / 15 minutes)
- `ALGA_MOBILE_REFRESH_TTL_SEC` (default: `2592000` / 30 days)
### Hosted domain allowlist
- `ALGA_MOBILE_HOST_ALLOWLIST`
- Comma-separated hostnames, e.g. `app.alga.example,staging.alga.example`
- Returned by the capabilities endpoint and enforced by the mobile client before opening sign-in.
## Deep Link Redirect Validation
`/auth/mobile/handoff` only redirects to:
- Schemes: `alga://`, `exp://` (Expo Go), or `https://` (dev convenience)
- Paths matching the mobile callback route (`/auth/callback`)
If validation fails, the handoff redirects back to `/auth/signin?error=invalid_redirect`.
## Database
Migration: `server/migrations/20260203210000_add_mobile_auth_tables.cjs`
- `mobile_auth_otts`
- hashed token storage, TTL, and single-use (`used_at`)
- `mobile_refresh_tokens`
- hashed refresh token storage and rotation (`replaced_by_id`)