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andreandClaude Opus 5 d5cb50b432 Send mail locally again: message_queue + PHPMailer over SMTP
Outbound email was relayed to the hub's /notify endpoint, so this install had
no SMTP configuration of its own and no way to see what had been sent. Bring
delivery back in-house, following the fotografia.andmore.pt stack rather than
inventing a second shape for it.

  - Submodule bumped 603ff84 -> ea3616a, the pin fotografia already uses. That
    is what provides functions_mail.php (shared transport), functions_settings.php
    (platform_smtp_config + encrypted settings) and compat_secrets.php. Verified
    no function-name collisions with this repo's own config/functions_settings.php:
    platform-tools namespaces everything platform_*.

  - PHPMailer 7.1.1 vendored at vendor/PHPMailer/src/. platform_mail_available()
    looks for exactly this hand-vendored layout before falling back to composer's
    autoloader, so the host needs no shell and no composer install. LGPL-2.1
    license text included.

  - config/functions_queue.php replaced: was a thin facade over the hub relay,
    now fotografia's real queue. Rows are claimed atomically, retried with
    exponential backoff up to max_attempts, and park in 'failed' with the real
    SMTP rejection in last_error.

  - SMTP resolution matches the fleet: .env wins for the SMTP_* constants, while
    the actual send goes through platform_smtp_config($pdo), which is DB-first.
    That ordering is deliberate -- the database is the half an operator can
    change from the backoffice without shell access. Empty SMTP_HOST falls back
    to PHP mail().

  - Sistema -> Comunicações (views/sysadmin/comms.php): credentials plus a live
    SMTP connection test and a verdict on what would happen to a message sent
    right now. Secret-valued settings are write-only in the form and encrypted
    at rest (AES-256-GCM, key from .env, never in the DB dump). Which keys count
    as secret is platform_settings_is_secret()'s decision, not a list kept here.

  - Sistema -> Mensagens (views/sysadmin/messages.php): the queue monitor.
    Filters, per-message detail with last_error, and retry/cancel/archive.
    Retry flushes inline so the operator sees the outcome immediately.

  - cron.php drains the queue every 5 minutes, serialised with a lock file, and
    runs retention once a day. Over HTTP it answers 404 until CRON_TOKEN is set
    to something other than replace_me. Deliberately not a copy of fotografia's
    cron: the session-reminder, download-digest and photo-archive steps have no
    modules here and would be dead code.

  - config/functions_notify_client.php deleted, and ANDMORE_ID_URL with it --
    the hub relay was its only caller.

Verified without a database: PHP lint across the tree; PHPMailer builds a full
MIME message with RFC 2047 UTF-8 subject encoding from the three vendored files;
platform_mail_available() finds them; platform_mail_make() returns a correctly
configured mailer; the diagnosis states report Operacional / Não configurado.
NOT verified: the settings encryption round-trip -- this machine's PHP has no
openssl extension, so platform_secret_key() returns null and values pass through
in clear. The code degrades safely (stores the value rather than losing it) and
the Comunicações page warns when the key is unavailable.

Deployment: apply database/migration_20260913_message_queue.sql, set SMTP in
Comunicações or .env, set APP_SECRET_KEY, and schedule cron.php.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-09-13 22:08:38 +01:00
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