yxxx

src/App/Mailer.php

@@ -0,0 +1,174 @@
+<?php
+declare(strict_types=1);
+
+namespace App;
+
+final class Mailer
+{
+    public function __construct(private App $app) {}
+
+    private function templates(): array
+    {
+        $env = $this->app->config()->env;
+        $root = __DIR__ . '/../../config/emailtemplates.php';
+        $envPath = __DIR__ . "/../../config/{$env}/emailtemplates.php";
+        $file = is_file($root) ? $root : $envPath;
+        $emailtemplates = [];
+        if (is_file($file)) {
+            /** @noinspection PhpIncludeInspection */
+            $emailtemplates = include $file;
+        }
+        return is_array($emailtemplates ?? null) ? $emailtemplates : [];
+    }
+
+    private function renderTemplate(string $key, array $vars): array
+    {
+        $templates = $this->templates();
+        $id = $templates[$key] ?? $key;
+
+        $apiBase  = getenv('EMAILTEMPLATE_API_BASE') ?: '';
+        $apiToken = getenv('EMAILTEMPLATE_API_TOKEN') ?: '';
+
+        if ($apiBase && $apiToken) {
+            $payload = [
+                'template' => $id,
+                'placeholders' => $vars,
+            ];
+            $payload['token'] = $apiToken;
+            $ctx = stream_context_create([
+                'http' => [
+                    'method' => 'POST',
+                    'header' => "Content-Type: application/json\r\n",
+                    'timeout' => 15,
+                    'content' => json_encode($payload, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES),
+                ],
+            ]);
+            $resp = @file_get_contents($apiBase, false, $ctx);
+            if ($resp !== false) {
+                $decoded = json_decode($resp, true);
+                if (is_array($decoded) && !empty($decoded['ok']) && !empty($decoded['html'])) {
+                    return [
+                        'subject' => $decoded['subject'] ?? 'Papakind',
+                        'html' => $decoded['html'],
+                    ];
+                }
+            }
+        }
+
+        // Fallback: einfacher Text
+        $subject = 'Papa-Kind-Treff';
+        $body = $id;
+        foreach ($vars as $k => $v) {
+            $body = str_replace(['{' . $k . '}', '{{' . $k . '}}'], (string)$v, $body);
+        }
+        return [
+            'subject' => $subject,
+            'html' => nl2br(htmlspecialchars($body, ENT_QUOTES)),
+        ];
+    }
+
+    public function sendTemplate(string $templateKey, string $to, array $vars = []): void
+    {
+        if (!filter_var($to, FILTER_VALIDATE_EMAIL)) {
+            throw new \InvalidArgumentException('Invalid recipient email.');
+        }
+
+        $tpl = $this->renderTemplate($templateKey, $vars);
+        $subject = $tpl['subject'] ?? 'Papa-Kind-Treff';
+        $html = $tpl['html'] ?? '';
+
+        $transport = getenv('MAIL_TRANSPORT') ?: 'mail';
+        $fromEmail = getenv('MAIL_FROM') ?: 'no-reply@' . $this->app->config()->primaryDomain;
+        $fromName  = getenv('MAIL_FROM_NAME') ?: 'Papa-Kind-Treff';
+
+        if ($transport === 'smtp') {
+            $this->sendSmtp($to, $subject, $html, $fromEmail, $fromName);
+        } else {
+            $this->sendMailFn($to, $subject, $html, $fromEmail, $fromName);
+        }
+    }
+
+    private function sendMailFn(string $to, string $subject, string $html, string $from, string $fromName): void
+    {
+        $headers = [];
+        if ($from) {
+            $headers[] = 'From: ' . sprintf('"%s" <%s>', addslashes($fromName), $from);
+        }
+        $headers[] = 'Content-Type: text/html; charset=utf-8';
+        if (!@mail($to, $subject, $html, implode("\r\n", $headers))) {
+            throw new \RuntimeException('mail() transport failed');
+        }
+    }
+
+    private function sendSmtp(string $to, string $subject, string $html, string $from, string $fromName): void
+    {
+        $host = getenv('SMTP_HOST') ?: '';
+        $port = (int)(getenv('SMTP_PORT') ?: 587);
+        $user = getenv('SMTP_USER') ?: '';
+        $pass = getenv('SMTP_PASS') ?: '';
+        $secure = strtolower(getenv('SMTP_SECURE') ?: 'tls'); // tls|ssl|none
+
+        if (!$host) {
+            $this->sendMailFn($to, $subject, $html, $from, $fromName);
+            return;
+        }
+
+        $proto = ($secure === 'ssl') ? 'ssl://' : '';
+        $fp = @stream_socket_client($proto . $host . ':' . $port, $errno, $errstr, 15, STREAM_CLIENT_CONNECT);
+        if (!$fp) {
+            $this->sendMailFn($to, $subject, $html, $from, $fromName);
+            return;
+        }
+        stream_set_timeout($fp, 15);
+
+        $read = function () use ($fp) {
+            return fgets($fp, 515);
+        };
+        $write = function (string $cmd) use ($fp) {
+            fwrite($fp, $cmd . "\r\n");
+        };
+
+        $read();
+        $write('EHLO ' . $this->app->config()->primaryDomain);
+        $read();
+
+        if ($secure === 'tls') {
+            $write('STARTTLS');
+            $read();
+            if (!stream_socket_enable_crypto($fp, true, STREAM_CRYPTO_METHOD_TLS_CLIENT)) {
+                fclose($fp);
+                $this->sendMailFn($to, $subject, $html, $from, $fromName);
+                return;
+            }
+            $write('EHLO ' . $this->app->config()->primaryDomain);
+            $read();
+        }
+
+        if ($user !== '') {
+            $write('AUTH LOGIN');
+            $read();
+            $write(base64_encode($user));
+            $read();
+            $write(base64_encode($pass));
+            $read();
+        }
+
+        $write('MAIL FROM: <' . $from . '>');
+        $read();
+        $write('RCPT TO: <' . $to . '>');
+        $read();
+        $write('DATA');
+        $read();
+
+        $msg = "From: {$fromName} <{$from}>\r\n";
+        $msg .= "To: <{$to}>\r\n";
+        $msg .= "Subject: {$subject}\r\n";
+        $msg .= "MIME-Version: 1.0\r\n";
+        $msg .= "Content-Type: text/html; charset=utf-8\r\n\r\n";
+        $msg .= $html . "\r\n.\r\n";
+        $write($msg);
+        $read();
+        $write('QUIT');
+        fclose($fp);
+    }
+}