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feat: extract MediaController, wire into Dispatcher, delete media.php
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Pontoporeia
181
app/src/SmtpRelay.php
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181
app/src/SmtpRelay.php
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<?php
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/**
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* SMTP Relay — credentials stored in the DB, sending via PHP's built-in mail
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* wrappers (SMTP transport layer is wired later).
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*
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* Responsibilities:
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* 1. CRUD on the singleton smtp_settings row.
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* 2. Build MIME messages.
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* 3. Send via `mail()` now; swap transport later (e.g. PHPMailer / Symfony Mailer).
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*/
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class SmtpRelay {
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// -----------------------------------------------------------------------
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// DB operations
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// -----------------------------------------------------------------------
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/**
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* Fetch current SMTP settings from the DB.
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*
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* @return array{host:string,port:int,encryption:string,username:string,password:string,from_email:string,from_name:string}
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*/
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public static function getSettings(Database $db): array {
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$stmt = $db->getPDO()->query(
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"SELECT host, port, encryption, username, password, from_email, from_name
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FROM v_smtp_active LIMIT 1"
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);
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$row = $stmt->fetch();
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return $row ?: [
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'host' => '',
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'port' => 587,
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'encryption' => 'tls',
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'username' => '',
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'password' => '',
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'from_email' => '',
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'from_name' => 'Post-ERG',
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];
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}
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/**
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* Upsert SMTP settings.
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*
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* @param array $data Associative array with keys: host, port, encryption,
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* username, password, from_email, from_name.
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* Keys not present are left unchanged.
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*/
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public static function updateSettings(Database $db, array $data): void {
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// Read existing so we can merge partial updates
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$current = self::getSettings($db);
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$merged = array_merge($current, $data);
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// Sanitize
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$port = max(1, min(65535, (int)$merged['port']));
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$encryption = in_array($merged['encryption'], ['tls', 'ssl', 'none'], true)
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? $merged['encryption'] : 'tls';
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$stmt = $db->getPDO()->prepare(
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"UPDATE smtp_settings
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SET host = :host,
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port = :port,
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encryption = :encryption,
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username = :username,
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password = :password,
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from_email = :from_email,
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from_name = :from_name,
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updated_at = CURRENT_TIMESTAMP
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WHERE id = 1"
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);
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$stmt->execute([
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':host' => trim($merged['host']),
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':port' => $port,
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':encryption' => $encryption,
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':username' => trim($merged['username']),
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':password' => $merged['password'], // keep as-is
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':from_email' => trim($merged['from_email']),
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':from_name' => trim($merged['from_name']),
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]);
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}
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/**
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* Check whether the SMTP relay is fully configured.
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*/
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public static function isConfigured(Database $db): bool {
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$s = self::getSettings($db);
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return $s['host'] !== '' && $s['username'] !== '' && $s['from_email'] !== '';
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}
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// -----------------------------------------------------------------------
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// Send helpers (transport wired later — stub implementation now)
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// -----------------------------------------------------------------------
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/**
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* Send an e-mail using the stored SMTP credentials.
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*
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* Currently uses PHP's `mail()` as a passthrough so the rest of the
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* application can call `SmtpRelay::send(…)` everywhere.
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* The actual SMTP transport layer will be wired in a later iteration
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* (e.g. replace this body with PHPMailer / Symfony Mailer).
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*
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* @param string $to Recipient e-mail address
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* @param string $subject Subject line
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* @param string $body HTML body
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* @param string $plain Plain-text alternative (optional)
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* @return bool True on send request acceptance; false on failure
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*/
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public static function send(
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Database $db,
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string $to,
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string $subject,
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string $body,
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string $plain = ''
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): bool {
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$settings = self::getSettings($db);
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if ($settings['from_email'] === '') {
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error_log('[SmtpRelay] send() aborted — no from_email configured');
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return false;
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}
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// Build MIME multipart headers
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$boundary = 'posterg_' . md5((string) random_int(0, PHP_INT_MAX) . microtime(true));
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$headers = "From: {$settings['from_name']} <{$settings['from_email']}>\r\n";
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$headers .= "Reply-To: {$settings['from_email']}\r\n";
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$headers .= "MIME-Version: 1.0\r\n";
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if ($plain !== '') {
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$headers .= "Content-Type: multipart/alternative; boundary=\"{$boundary}\"\r\n";
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$message = "--{$boundary}\r\n";
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$message .= "Content-Type: text/plain; charset=UTF-8\r\n\r\n";
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$message .= self::htmlToPlain($body) . "\r\n\r\n";
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$message .= "--{$boundary}\r\n";
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$message .= "Content-Type: text/html; charset=UTF-8\r\n\r\n";
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$message .= $body . "\r\n\r\n";
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$message .= "--{$boundary}--";
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} else {
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$headers .= "Content-Type: text/html; charset=UTF-8\r\n";
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$message = $body;
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}
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// TODO: replace with real SMTP transport (PHPMailer / Symfony Mailer)
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// The stored credentials ($settings) will be passed to the mailer then.
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$ok = mail($to, $subject, $message, $headers);
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if (!$ok) {
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error_log("[SmtpRelay] mail() returned false for {$to}");
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}
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return $ok;
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}
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/**
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* Queue (persist) an e-mail for deferred sending.
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*
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* Stub — will create a `mail_queue` table in a future migration.
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*/
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public static function queue(
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Database $db,
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string $to,
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string $subject,
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string $body,
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string $plain = ''
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): void {
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// TODO: INSERT INTO mail_queue …
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// Placeholder so callers exist now and wire up later.
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}
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// -----------------------------------------------------------------------
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// Internal
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// -----------------------------------------------------------------------
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/**
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* Strip HTML tags to produce a rough plain-text fallback.
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*/
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private static function htmlToPlain(string $html): string {
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$text = strip_tags($html);
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// Collapse multiple whitespace lines
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$text = preg_replace('/\n{3,}/', "\n\n", $text);
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return trim($text);
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}
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}
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