146 lines
3.7 KiB
PHP
146 lines
3.7 KiB
PHP
#!/usr/bin/env php
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<?php
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/**
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* Newsletter Queue Worker
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*
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* Processes queued emails via wp_mail() using configured SMTP settings.
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*
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* This script runs as a standalone CLI process, independent of WordPress cron.
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* It loads WordPress with DOING_CRON defined to prevent triggering actual cron.
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*
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* Usage: php worker.php <batch_size> <worker_id>
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* Example: php worker.php 10 "w1"
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* Parallel: seq 1 10 | xargs -P10 -I{} php worker.php 10 "w{}"
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*
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* @package ROBOTSTXT_SMTP_Newsletter
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* @since 2.2.0
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*/
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// Security: CLI-only execution.
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if ( php_sapi_name() !== 'cli' ) {
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http_response_code( 403 );
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die( 'Forbidden: This script must be run from command line' );
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}
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// Parse command-line arguments.
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if ( $argc < 3 ) {
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fwrite( STDERR, "Usage: php worker.php <batch_size> <worker_id>\n" );
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fwrite( STDERR, "Example: php worker.php 10 \"w1\"\n" );
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exit( 1 );
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}
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$batch_size = max( 1, (int) $argv[1] );
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$worker_id = $argv[2];
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// Load WordPress.
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define( 'DOING_CRON', true );
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// Find wp-load.php (3 levels up from plugin directory).
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$wp_load_path = __DIR__ . '/../../../wp-load.php';
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if ( ! file_exists( $wp_load_path ) ) {
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fwrite( STDERR, "Error: Could not find wp-load.php at {$wp_load_path}\n" );
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exit( 1 );
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}
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require_once $wp_load_path;
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// Verify plugin is active.
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if ( ! defined( 'ROBOTSTXT_SMTP_NEWSLETTER_VERSION' ) ) {
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fwrite( STDERR, "Error: Newsletter SMTP plugin is not active\n" );
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exit( 1 );
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}
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// Get queue and statistics instances.
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$queue = \Robotstxt_SMTP_Newsletter\Queue::get_instance();
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$stats = \Robotstxt_SMTP_Newsletter\Statistics::get_instance();
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// Process batch.
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$items = $queue->get_and_lock_batch( $batch_size, $worker_id );
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if ( empty( $items ) ) {
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echo "No items to process\n";
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exit( 0 );
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}
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echo sprintf( "Worker %s: Processing %d emails...\n", $worker_id, count( $items ) );
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$success_count = 0;
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$failure_count = 0;
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foreach ( $items as $item ) {
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try {
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// Build headers array.
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$headers = array();
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// Add From header if specified.
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if ( ! empty( $item->from_email ) ) {
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$from = ! empty( $item->from_name )
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? sprintf( '%s <%s>', $item->from_name, $item->from_email )
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: $item->from_email;
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$headers[] = 'From: ' . $from;
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}
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// Add Reply-To header if specified.
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if ( ! empty( $item->reply_to ) ) {
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$headers[] = 'Reply-To: ' . $item->reply_to;
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}
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// Add Content-Type header (prefer HTML if available).
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if ( ! empty( $item->body_html ) ) {
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$headers[] = 'Content-Type: text/html; charset=UTF-8';
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}
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// Decode and add custom headers from JSON.
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if ( ! empty( $item->headers_json ) ) {
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$custom = json_decode( $item->headers_json, true );
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if ( is_array( $custom ) ) {
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foreach ( $custom as $key => $value ) {
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$headers[] = sprintf( '%s: %s', $key, $value );
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}
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}
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}
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// Select body (prefer HTML over text).
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$body = ! empty( $item->body_html ) ? $item->body_html : $item->body_text;
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if ( empty( $body ) ) {
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throw new \Exception( 'Email body is empty' );
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}
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// Send via wp_mail (uses core SMTP configuration).
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$result = wp_mail(
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$item->to_email,
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$item->subject,
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$body,
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$headers
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);
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if ( $result ) {
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$queue->mark_sent( $item->id );
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$success_count++;
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echo sprintf( " ✓ Sent: %s\n", $item->to_email );
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} else {
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$queue->mark_failed( $item->id, 'wp_mail returned false' );
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$failure_count++;
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echo sprintf( " ✗ Failed: %s (wp_mail returned false)\n", $item->to_email );
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}
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} catch ( \Exception $e ) {
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$queue->mark_failed( $item->id, $e->getMessage() );
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$failure_count++;
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echo sprintf( " ✗ Error: %s - %s\n", $item->to_email, $e->getMessage() );
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}
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}
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// Sync statistics after batch processing.
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$stats->sync_from_queue();
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echo sprintf(
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"Worker %s: Done. Success: %d, Failed: %d\n",
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$worker_id,
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$success_count,
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$failure_count
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);
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exit( 0 );
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