File: /var/www/html/breadsecret.com/wp-content/plugins/post-smtp/Postman/PostmanSMTPConflictManager.php
<?php
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly
}
/**
* Class PostmanSMTPConflictManager
*
* Manages detection and notification of conflicting SMTP plugins
*/
class PostmanSMTPConflictManager {
// Option name to store dismissed notices
const DISMISSED_NOTICES_OPTION = 'postman_dismissed_smtp_conflicts';
private $logger;
private $conflicting_plugins = array();
/**
* Constructor
*/
public function __construct() {
// Include the plugin functions if not already available
if ( ! function_exists( 'is_plugin_active' ) ) {
require_once( ABSPATH . 'wp-admin/includes/plugin.php' );
}
$this->logger = new PostmanLogger( get_class( $this ) );
// Hook into admin_notices to display warnings
add_action( 'admin_notices', array( $this, 'display_smtp_conflict_notices' ) );
// Hook into AJAX for dismissing notices
add_action( 'wp_ajax_dismiss_smtp_conflict_notice', array( $this, 'dismiss_notice_ajax' ) );
// Enqueue scripts for dismissing notices
add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_dismiss_script' ) );
}
/**
* Get list of known SMTP plugins that could conflict with Post SMTP
*
* @return array
*/
private function get_smtp_plugins_list() {
return array(
/**
* Url: https://wordpress.org/plugins/easy-wp-smtp/
*/
array(
'name' => 'Easy WP SMTP',
'slug' => 'easy-wp-smtp/easy-wp-smtp.php',
'class' => 'EasyWPSMTP',
),
/**
* Closed.
*
* Url: https://wordpress.org/plugins/postman-smtp/
*/
array(
'name' => 'Postman SMTP',
'slug' => 'postman-smtp/postman-smtp.php',
'function' => 'postman_start',
),
/**
* Url: https://wordpress.org/plugins/wp-mail-bank/
*/
array(
'name' => 'Mail Bank',
'slug' => 'wp-mail-bank/wp-mail-bank.php',
'function' => 'mail_bank',
),
/**
* Url: https://wordpress.org/plugins/smtp-mailer/
*/
array(
'name' => 'SMTP Mailer',
'slug' => 'smtp-mailer/main.php',
'class' => 'SMTP_MAILER',
),
/**
* Url: https://wordpress.org/plugins/gmail-smtp/
*/
array(
'name' => 'Gmail SMTP',
'slug' => 'gmail-smtp/main.php',
'class' => 'GMAIL_SMTP',
),
/**
* Url: https://wordpress.org/plugins/wp-email-smtp/
*/
array(
'name' => 'WP Email SMTP',
'class' => 'WP_Email_Smtp',
),
/**
* Url: https://wordpress.org/plugins/smtp-mail/
*/
array(
'name' => 'SMTP Mail',
'slug' => 'smtp-mail/index.php',
'function' => 'smtpmail_include',
),
/**
* Url: https://wordpress.org/plugins/bws-smtp/
*/
array(
'name' => 'SMTP by BestWebSoft',
'slug' => 'bws-smtp/bws-smtp.php',
'function' => 'bwssmtp_init',
),
/**
* Url: https://wordpress.org/plugins/wp-sendgrid-smtp/
*/
array(
'name' => 'WP SendGrid SMTP',
'slug' => 'wp-sendgrid-smtp/wp-sendgrid-smtp.php',
'class' => 'WPSendGrid_SMTP',
),
/**
* Url: https://wordpress.org/plugins/sar-friendly-smtp/
*/
array(
'name' => 'SAR Friendly SMTP',
'slug' => 'sar-friendly-smtp/sar-friendly-smtp.php',
'function' => 'sar_friendly_smtp',
),
/**
* Url: https://wordpress.org/plugins/wp-gmail-smtp/
*/
array(
'name' => 'WP Gmail SMTP',
'slug' => 'wp-gmail-smtp/wp-gmail-smtp.php',
'class' => 'WPGmail_SMTP',
),
/**
* Url: https://wordpress.org/plugins/cimy-swift-smtp/
*/
array(
'name' => 'Cimy Swift SMTP',
'slug' => 'cimy-swift-smtp/cimy_swift_smtp.php',
'function' => 'st_smtp_check_config',
),
/**
* Closed.
*
* Url: https://wordpress.org/plugins/wp-easy-smtp/
*/
array(
'name' => 'WP Easy SMTP',
'slug' => 'wp-easy-smtp/wp-easy-smtp.php',
'class' => 'WP_Easy_SMTP',
),
/**
* Url: https://wordpress.org/plugins/wp-mailgun-smtp/
*/
array(
'name' => 'WP Mailgun SMTP',
'slug' => 'wp-mailgun-smtp/wp-mailgun-smtp.php',
'class' => 'WPMailgun_SMTP',
),
/**
* Url: https://wordpress.org/plugins/my-smtp-wp/
*/
array(
'name' => 'MY SMTP WP',
'slug' => 'my-smtp-wp/my-smtp-wp.php',
'function' => 'my_smtp_wp',
),
/**
* Closed.
*
* Url: https://wordpress.org/plugins/wp-mail-booster/
*/
array(
'name' => 'WP Mail Booster',
'slug' => 'wp-mail-booster/wp-mail-booster.php',
'function' => 'mail_booster',
),
/**
* Url: https://wordpress.org/plugins/sendgrid-email-delivery-simplified/
*/
array(
'name' => 'SendGrid',
'slug' => 'sendgrid-email-delivery-simplified/wpsendgrid.php',
'class' => 'Sendgrid_Settings',
),
/**
* Url: https://wordpress.org/plugins/wp-mail-smtp/
*/
array(
'name' => 'WP Mail Smtp',
'slug' => 'wp-mail-smtp/wp_mail_smtp.php',
'function' => 'WPMS_php_mailer',
),
/**
* Closed.
*
* Url: https://wordpress.org/plugins/wp-amazon-ses-smtp/
*/
array(
'name' => 'WP Amazon SES SMTP',
'slug' => 'wp-amazon-ses-smtp/wp-amazon-ses.php',
'class' => 'WPAmazonSES_SMTP',
),
/**
* Url: https://wordpress.org/plugins/postmark-approved-wordpress-plugin/
*/
array(
'name' => 'Postmark (Official)',
'slug' => 'postmark-approved-wordpress-plugin/postmark.php',
'class' => 'Postmark_Mail',
),
/**
* Url: https://wordpress.org/plugins/mailgun/
*/
array(
'name' => 'Mailgun',
'slug' => 'mailgun/mailgun.php',
'class' => 'Mailgun',
),
/**
* Url: https://wordpress.org/plugins/sparkpost/
*/
array(
'name' => 'SparkPost',
'slug' => 'sparkpost/wordpress-sparkpost.php',
'class' => 'WPSparkPost\SparkPost',
),
/**
* Url: https://wordpress.org/plugins/wp-yahoo-smtp/
*/
array(
'name' => 'WP Yahoo SMTP',
'slug' => 'wp-yahoo-smtp/wp-yahoo-smtp.php',
'class' => 'WPYahoo_SMTP',
),
/**
* Url: https://wordpress.org/plugins/wp-ses/
*/
array(
'name' => 'WP Offload SES Lite',
'slug' => 'wp-ses/wp-ses.php',
'function' => 'wp_offload_ses_lite_init',
),
/**
* Url: https://deliciousbrains.com/wp-offload-ses/
*/
array(
'name' => 'WP Offload SES',
'slug' => 'wp-offload-ses/wp-offload-ses.php',
),
/**
* Url: https://wordpress.org/plugins/turbosmtp/
*/
array(
'name' => 'turboSMTP',
'slug' => 'turbosmtp/turbosmtp.php',
'function' => 'TSPHPMailer',
),
/**
* Url: https://wordpress.org/plugins/wp-smtp/
*/
array(
'name' => 'Solid Mail',
'slug' => 'wp-smtp/wp-smtp.php',
'class' => 'WP_SMTP',
),
/**
* This plugin can be used along with our plugin if disable next option
* WooCommerce -> Settings -> Sendinblue -> Email Options -> Enable Sendinblue to send WooCommerce emails.
*
* Url: https://wordpress.org/plugins/woocommerce-sendinblue-newsletter-subscription
*/
array(
'name' => 'Sendinblue - WooCommerce Email Marketing',
'slug' => 'woocommerce-sendinblue-newsletter-subscription/woocommerce-sendinblue.php',
'class' => 'WC_Sendinblue_Integration',
'test' => 'test_wc_sendinblue_integration',
'message' => esc_html__( 'Or disable the Sendinblue email sending setting in WooCommerce > Settings > Sendinblue (tab) > Email Options (tab) > Enable Sendinblue to send WooCommerce emails.', 'post-smtp' ),
),
/**
* Url: https://wordpress.org/plugins/disable-emails/
*/
array(
'name' => 'Disable Emails',
'slug' => 'disable-emails/disable-emails.php',
'class' => '\webaware\disable_emails\Plugin',
),
/**
* Url: https://wordpress.org/plugins/fluent-smtp/
*/
array(
'name' => 'FluentSMTP',
'slug' => 'fluent-smtp/fluent-smtp.php',
'function' => 'fluentSmtpInit',
),
/**
* This plugin can be used along with our plugin if enable next option
* Settings > Email template > Sender (tab) -> Do not change email sender by default.
*
* Url: https://wordpress.org/plugins/wp-html-mail/
*/
array(
'name' => 'WP HTML Mail - Email Template Designer',
'function' => 'Haet_Mail',
'test' => 'test_wp_html_mail_integration',
'message' => esc_html__( 'Or enable "Do not change email sender by default" setting in Settings > Email template > Sender (tab).', 'post-smtp' ),
),
/**
* This plugin can be used along with our plugin if "SMTP" module is deactivated.
*
* Url: https://wordpress.org/plugins/branda-white-labeling/
*/
array(
'name' => 'Branda',
'slug' => 'branda-white-labeling/ultimate-branding.php',
'function' => 'set_ultimate_branding',
'test' => 'test_branda_integration',
'message' => esc_html__( 'Or deactivate "SMTP" module in Branda > Emails > SMTP.', 'post-smtp' ),
),
/**
* Url: https://wordpress.org/plugins/zoho-mail/
*/
array(
'name' => 'Zoho Mail for WordPress',
'slug' => 'zoho-mail/zohoMail.php',
'function' => 'zmail_send_mail_callback',
),
/**
* Url: https://elementor.com/products/site-mailer/
*/
array(
'name' => 'Site Mailer - SMTP Replacement, Email API Deliverability & Email Log',
'slug' => 'site-mailer/site-mailer.php',
'class' => 'SiteMailer',
),
/**
* Url: https://wordpress.org/plugins/suremails/
*/
array(
'name' => 'SureMail',
'slug' => 'suremails/suremails.php',
'class' => 'MailHandler',
),
/**
* Url: https://www.gravityforms.com/gravity-smtp/
*/
array(
'name' => 'Gravity SMTP',
'slug' => 'gravitysmtp/gravitysmtp.php',
'class' => 'Gravity_SMTP',
),
/**
* Url: https://wordpress.org/plugins/pro-mail-smtp/
*/
array(
'name' => 'Pro Mail SMTP',
'slug' => 'pro-mail-smtp/pro-mail-smtp.php',
'function' => 'pro-mail-smtp',
),
);
}
/**
* Check if a plugin is active and conflicts with Post SMTP
*
* @param array $plugin Plugin configuration array
* @return bool
*/
private function is_plugin_conflicting( $plugin ) {
// Skip our own plugin
if ( isset( $plugin['slug'] ) && $plugin['slug'] === 'post-smtp/postman-smtp.php' ) {
return false;
}
// Check if plugin is active by slug
if ( isset( $plugin['slug'] ) && is_plugin_active( $plugin['slug'] ) ) {
return true;
}
// Check if plugin class exists
if ( isset( $plugin['class'] ) && class_exists( $plugin['class'] ) ) {
return true;
}
// Check if plugin function exists
if ( isset( $plugin['function'] ) && function_exists( $plugin['function'] ) ) {
return true;
}
return false;
}
/**
* Get all currently conflicting plugins
*
* @return array
*/
private function get_conflicting_plugins() {
if ( ! empty( $this->conflicting_plugins ) ) {
return $this->conflicting_plugins;
}
$smtp_plugins = $this->get_smtp_plugins_list();
$conflicting = array();
foreach ( $smtp_plugins as $plugin ) {
if ( $this->is_plugin_conflicting( $plugin ) ) {
$conflicting[] = $plugin;
// Log the conflict detection
if ( $this->logger->isDebug() ) {
$this->logger->debug( sprintf(
'SMTP plugin conflict detected: %s (%s)',
$plugin['name'],
isset( $plugin['slug'] ) ? $plugin['slug'] : 'no slug'
) );
}
}
}
$this->conflicting_plugins = $conflicting;
// Log summary if conflicts found
if ( ! empty( $conflicting ) && $this->logger->isInfo() ) {
$this->logger->info( sprintf(
'Found %d conflicting SMTP plugin(s): %s',
count( $conflicting ),
implode( ', ', array_column( $conflicting, 'name' ) )
) );
}
return $conflicting;
}
/**
* Display SMTP conflict admin notices
*/
public function display_smtp_conflict_notices() {
// Allow disabling conflict detection via filter
if ( ! apply_filters( 'post_smtp_enable_conflict_detection', true ) ) {
return;
}
// Only show in admin area and to users who can manage options
if ( ! is_admin() || ! current_user_can( 'manage_options' ) ) {
return;
}
$conflicting_plugins = $this->get_conflicting_plugins();
foreach ( $conflicting_plugins as $plugin ) {
$notice_id = sanitize_key( $plugin['name'] );
// Skip if notice has been dismissed and not expired
if ( $this->is_notice_dismissed( $notice_id ) ) {
continue;
}
$this->display_conflict_notice( $plugin, $notice_id );
}
}
/**
* Display individual conflict notice
*
* @param array $plugin Plugin configuration
* @param string $notice_id Unique notice ID
*/
private function display_conflict_notice( $plugin, $notice_id ) {
$plugin_name = esc_html( $plugin['name'] );
$plugin_slug = isset( $plugin['slug'] ) ? $plugin['slug'] : '';
// Build deactivate link if plugin slug is available
$deactivate_link = '';
if ( ! empty( $plugin_slug ) ) {
$deactivate_url = wp_nonce_url(
admin_url( 'plugins.php?action=deactivate&plugin=' . urlencode( $plugin_slug ) . '&plugin_status=all&paged=1&s=' ),
'deactivate-plugin_' . $plugin_slug
);
$deactivate_link = '<a href="' . esc_url( $deactivate_url ) . '">' . esc_html__( 'Deactivate', 'post-smtp' ) . ' ' . $plugin_name . '</a>';
}
echo '<div class="notice notice-error is-dismissible postman-smtp-conflict-notice" data-notice-id="' . esc_attr( $notice_id ) . '">';
echo '<p><strong>' . esc_html__( 'Post SMTP Notice:', 'post-smtp' ) . '</strong></p>';
echo '<p>';
printf(
/* translators: %1$s: conflicting plugin name */
esc_html__( 'wp_mail() is being overridden by another plugin (%1$s). Please deactivate it to use Post SMTP.', 'post-smtp' ),
'<strong>' . $plugin_name . '</strong>'
);
echo '</p>';
if ( ! empty( $deactivate_link ) ) {
echo '<p>' . $deactivate_link . '</p>';
}
echo '</div>';
}
/**
* Handle AJAX request to dismiss notice
*/
public function dismiss_notice_ajax() {
// Verify nonce
if ( ! isset( $_POST['nonce'] ) || ! wp_verify_nonce( $_POST['nonce'], 'postman_smtp_conflict_nonce' ) ) {
wp_send_json_error( array( 'message' => 'Security check failed' ) );
}
// Check user capability
if ( ! current_user_can( 'manage_options' ) ) {
wp_send_json_error( array( 'message' => 'Insufficient permissions' ) );
}
// Validate notice ID
if ( ! isset( $_POST['notice_id'] ) ) {
wp_send_json_error( array( 'message' => 'Notice ID is required' ) );
}
$notice_id = sanitize_key( $_POST['notice_id'] );
if ( empty( $notice_id ) ) {
wp_send_json_error( array( 'message' => 'Invalid notice ID' ) );
}
$dismissed_notices = get_option( self::DISMISSED_NOTICES_OPTION, array() );
// Store dismissal with current timestamp (7 days expiration)
$dismissed_notices[ $notice_id ] = time();
if ( update_option( self::DISMISSED_NOTICES_OPTION, $dismissed_notices ) ) {
wp_send_json_success( array( 'message' => 'Notice dismissed successfully' ) );
} else {
wp_send_json_error( array( 'message' => 'Failed to save dismissal' ) );
}
}
/**
* Check if a notice is dismissed and not expired
*
* @param string $notice_id Notice ID to check
* @return bool True if dismissed and not expired, false otherwise
*/
private function is_notice_dismissed( $notice_id ) {
$dismissed_notices = get_option( self::DISMISSED_NOTICES_OPTION, array() );
// Handle old format (array of notice IDs) - migrate to new format
if ( ! empty( $dismissed_notices ) && is_array( $dismissed_notices ) ) {
$keys = array_keys( $dismissed_notices );
$needs_migration = false;
// Check if old format (numeric keys or string keys with non-numeric values)
foreach ( $keys as $key ) {
if ( is_numeric( $key ) || ! is_numeric( $dismissed_notices[ $key ] ) ) {
$needs_migration = true;
break;
}
}
if ( $needs_migration ) {
// Old format detected - convert to new format with current timestamp
$new_format = array();
foreach ( $dismissed_notices as $key => $value ) {
if ( is_numeric( $key ) ) {
$new_format[ $value ] = time();
} else {
$new_format[ $key ] = is_numeric( $value ) ? $value : time();
}
}
$dismissed_notices = $new_format;
update_option( self::DISMISSED_NOTICES_OPTION, $dismissed_notices );
}
}
if ( ! isset( $dismissed_notices[ $notice_id ] ) ) {
return false;
}
$dismissed_time = $dismissed_notices[ $notice_id ];
// Check if 7 days have passed (7 days = 604800 seconds)
$expiration_time = 7 * DAY_IN_SECONDS;
if ( ( time() - $dismissed_time ) > $expiration_time ) {
// Expired - remove from dismissed notices
unset( $dismissed_notices[ $notice_id ] );
update_option( self::DISMISSED_NOTICES_OPTION, $dismissed_notices );
return false;
}
return true;
}
/**
* Get count of conflicting plugins
*
* @return int
*/
public function get_conflicts_count() {
return count( $this->get_conflicting_plugins() );
}
/**
* Check if there are any conflicts
*
* @return bool
*/
public function has_conflicts() {
return $this->get_conflicts_count() > 0;
}
/**
* Reset dismissed notices (for testing or admin purposes)
*/
public function reset_dismissed_notices() {
delete_option( self::DISMISSED_NOTICES_OPTION );
}
/**
* Get detailed information about all SMTP plugins (for debugging/admin purposes)
*
* @return array
*/
public function get_smtp_plugins_status() {
$smtp_plugins = $this->get_smtp_plugins_list();
$status = array();
foreach ( $smtp_plugins as $plugin ) {
$plugin_status = array(
'name' => $plugin['name'],
'slug' => isset( $plugin['slug'] ) ? $plugin['slug'] : '',
'is_active' => false,
'conflict' => false,
'detection' => array()
);
// Check plugin activation status
if ( isset( $plugin['slug'] ) && is_plugin_active( $plugin['slug'] ) ) {
$plugin_status['is_active'] = true;
$plugin_status['detection'][] = 'Active plugin';
}
// Check class existence
if ( isset( $plugin['class'] ) && class_exists( $plugin['class'] ) ) {
$plugin_status['detection'][] = 'Class exists: ' . $plugin['class'];
}
// Check function existence
if ( isset( $plugin['function'] ) && function_exists( $plugin['function'] ) ) {
$plugin_status['detection'][] = 'Function exists: ' . $plugin['function'];
}
// Determine if it's conflicting
$plugin_status['conflict'] = $this->is_plugin_conflicting( $plugin );
$status[] = $plugin_status;
}
return $status;
}
/**
* Enqueue JavaScript for handling notice dismissal
*/
public function enqueue_dismiss_script( $hook ) {
// Only enqueue if there are conflicts
if ( ! $this->has_conflicts() ) {
return;
}
// Get plugin data for version
$plugin_data = apply_filters( 'postman_get_plugin_metadata', null );
$version = isset( $plugin_data['version'] ) ? $plugin_data['version'] : '1.0.0';
// Enqueue the script
wp_enqueue_script(
'postman-smtp-conflict-notice',
POST_SMTP_URL . '/script/postman-smtp-conflict-notice.js',
array( 'jquery' ),
$version,
true
);
// Localize script with nonce
wp_localize_script(
'postman-smtp-conflict-notice',
'postmanSmtpConflict',
array(
'nonce' => wp_create_nonce( 'postman_smtp_conflict_nonce' )
)
);
}
}