| 1 |
<?php |
| 2 |
|
| 3 |
/** |
| 4 |
* Plugin Name: Mail Queue |
| 5 |
* Plugin URI: https://www.webdesign-muenchen.de/wordpress-plugin-mail-queue/ |
| 6 |
* Description: Take Control and improve Security of wp_mail(). Queue and log outgoing emails, and get alerted, if your website wants to send more emails than usual. |
| 7 |
* Version: 1.4.6 |
| 8 |
* Requires at least: 5.9 |
| 9 |
* Requires PHP: 7.4 |
| 10 |
* Author: WDM |
| 11 |
* Author URI: https://www.webdesign-muenchen.de |
| 12 |
* License: GPLv3 or later |
| 13 |
* License URI: https://www.gnu.org/licenses/gpl-3.0.html |
| 14 |
*/ |
| 15 |
|
| 16 |
if (!defined('ABSPATH')) { exit; } |
| 17 |
|
| 18 |
|
| 19 |
/* *************************************************************** |
| 20 |
PLUGIN VERSION |
| 21 |
**************************************************************** */ |
| 22 |
|
| 23 |
$wdm_wpma_version = '1.4.6'; |
| 24 |
|
| 25 |
|
| 26 |
|
| 27 |
|
| 28 |
|
| 29 |
/* *************************************************************** |
| 30 |
PLUGIN DEFAULT SETTINGS |
| 31 |
**************************************************************** */ |
| 32 |
function wdm_wpma_get_settings() { |
| 33 |
$defaults = array( |
| 34 |
'enabled' => '0', |
| 35 |
'alert_enabled' => '0', |
| 36 |
'email' => get_option('admin_email'), |
| 37 |
'email_amount' => '10', |
| 38 |
'queue_amount' => '1', |
| 39 |
'queue_interval' => '5', |
| 40 |
'queue_interval_unit' => 'minutes', |
| 41 |
'clear_queue' => '14', |
| 42 |
'tableName' => 'mail_queue', |
| 43 |
'triggercount' => 0, |
| 44 |
); |
| 45 |
$args = get_option('wdm_wpma_settings'); |
| 46 |
$options = wp_parse_args($args,$defaults); |
| 47 |
|
| 48 |
if ($options['queue_interval_unit'] == 'seconds') { |
| 49 |
$options['queue_interval'] = intval($options['queue_interval']); |
| 50 |
if ($options['queue_interval'] < 10) { $options['queue_interval'] = 10; } // Minimum Interval 10 Seconds |
| 51 |
} else { |
| 52 |
$options['queue_interval'] = intval($options['queue_interval']) * 60; |
| 53 |
} |
| 54 |
|
| 55 |
$options['clear_queue'] = intval($options['clear_queue']) * 24; |
| 56 |
return $options; |
| 57 |
} |
| 58 |
|
| 59 |
|
| 60 |
|
| 61 |
|
| 62 |
|
| 63 |
/* *************************************************************** |
| 64 |
Overwrite wp_mail() if Plugin enabled and no Cron is running |
| 65 |
**************************************************************** */ |
| 66 |
$wdm_wpma_mailid = 0; |
| 67 |
$wdm_wpma_options = wdm_wpma_get_settings(); // Get Settings |
| 68 |
$wdm_wpma_pre_wp_mail_priority = 99999; |
| 69 |
|
| 70 |
if ($wdm_wpma_options['enabled'] == '1' && wp_doing_cron() == false) { |
| 71 |
// High priority: run late in the game to react to previous filters |
| 72 |
add_filter('pre_wp_mail', 'wdm_wpma_prewpmail', $wdm_wpma_pre_wp_mail_priority, 2); |
| 73 |
} |
| 74 |
|
| 75 |
// pre WP Mail Filter |
| 76 |
function wdm_wpma_prewpmail($return, $atts) { |
| 77 |
|
| 78 |
global $wpdb, $wdm_wpma_options; |
| 79 |
|
| 80 |
if (!is_null($return)) { |
| 81 |
// Another pre_wp_mail filter has already returned a value, so the mail is not added to the queue |
| 82 |
return $return; |
| 83 |
} |
| 84 |
|
| 85 |
// Mail Variables |
| 86 |
$to = $atts['to']; |
| 87 |
$subject = $atts['subject']; |
| 88 |
$message = $atts['message']; |
| 89 |
$headers = $atts['headers']; |
| 90 |
$attachments = $atts['attachments']; |
| 91 |
$status = 'queue'; |
| 92 |
|
| 93 |
// Make sure that $headers always is an array |
| 94 |
if ($headers) { |
| 95 |
if (!is_array($headers)) { |
| 96 |
$headers = explode( "\n", str_replace( "\r\n", "\n", $headers ) ); |
| 97 |
} |
| 98 |
} else { |
| 99 |
$headers = []; |
| 100 |
} |
| 101 |
|
| 102 |
// Loop through email headers |
| 103 |
// - Instant Sending or Prio Mail? |
| 104 |
// - Track if ContentType header is set |
| 105 |
$hasContentTypeHeader = false; |
| 106 |
$hasFromHeader = false; |
| 107 |
foreach($headers as $index => $val) { |
| 108 |
$val = trim($val); |
| 109 |
if (preg_match("#^X-Mail-Queue-Prio: +Instant *$#i",$val)) { |
| 110 |
array_splice($headers,$index,1); |
| 111 |
$status = 'instant'; |
| 112 |
break; |
| 113 |
} else if (preg_match("#^X-Mail-Queue-Prio: +High *$#i",$val)) { |
| 114 |
array_splice($headers,$index,1); |
| 115 |
$status = 'high'; |
| 116 |
break; |
| 117 |
} else if (preg_match('#^Content-Type:#i',$val)) { |
| 118 |
$hasContentTypeHeader = true; |
| 119 |
} else if (preg_match('#^From:#i',$val)) { |
| 120 |
$hasFromHeader = true; |
| 121 |
} |
| 122 |
} |
| 123 |
|
| 124 |
// For all emails that are stored in the queue to be sent later: |
| 125 |
// Store custom filtered values in headers if available. |
| 126 |
// Support the following hooks used in wp_mail: |
| 127 |
// - wp_mail_content_type |
| 128 |
// - wp_mail_charset |
| 129 |
// - wp_mail_from |
| 130 |
// - wp_mail_from_name |
| 131 |
if ($status !== 'instant') { |
| 132 |
if (!$hasContentTypeHeader) { |
| 133 |
$contentType = apply_filters('wp_mail_content_type','text/plain'); |
| 134 |
if ( $contentType ) { |
| 135 |
if (stripos($contentType,'multipart') === false) { |
| 136 |
$charset = apply_filters('wp_mail_charset',get_bloginfo('charset')); |
| 137 |
} else { |
| 138 |
$charset = ''; |
| 139 |
} |
| 140 |
$headers[] = 'Content-Type: '.$contentType.($charset ? '; charset="'.$charset.'"' : ''); |
| 141 |
} |
| 142 |
} |
| 143 |
if (!$hasFromHeader) { |
| 144 |
$from_Email = apply_filters('wp_mail_from',''); |
| 145 |
if ($from_Email) { |
| 146 |
$fromName = apply_filters('wp_mail_from_name',''); |
| 147 |
if ($fromName) { |
| 148 |
$headers[] = $fromName.' <'.$from_Email.'>'; |
| 149 |
} else { |
| 150 |
$headers[] = $from_Email; |
| 151 |
} |
| 152 |
} |
| 153 |
} |
| 154 |
} |
| 155 |
|
| 156 |
|
| 157 |
// Write email in Queue |
| 158 |
$tableName = $wpdb->prefix.$wdm_wpma_options['tableName']; |
| 159 |
$data = array( |
| 160 |
'timestamp'=> current_time('mysql',false), |
| 161 |
'recipient'=> maybe_serialize($to), |
| 162 |
'subject'=> $subject, |
| 163 |
'message'=> $message, |
| 164 |
'status' => $status, |
| 165 |
'attachments' => '' |
| 166 |
); |
| 167 |
if (isset($headers) && $headers) { $data['headers'] = maybe_serialize($headers); } |
| 168 |
|
| 169 |
// store attachments in /attachments/ Folder, to address them later |
| 170 |
if (isset($attachments) && $attachments && $attachments != '') { |
| 171 |
|
| 172 |
$subfolder = time().'-'.rand(0,999999); |
| 173 |
$foldercreated = wp_mkdir_p(plugin_dir_path(__FILE__).'attachments/'.$subfolder); |
| 174 |
if (!$foldercreated) { |
| 175 |
error_log('Could not create Subfolder for Email attachment'); |
| 176 |
$data['info'] = 'Error: Could not store attachments'; |
| 177 |
} else { |
| 178 |
if (!is_array($attachments)) { $attachments = array($attachments); } |
| 179 |
$newattachments = array(); |
| 180 |
global $wp_filesystem; |
| 181 |
if ( ! is_a( $wp_filesystem, 'WP_Filesystem_Base') ){ |
| 182 |
include_once(ABSPATH . 'wp-admin/includes/file.php'); |
| 183 |
WP_Filesystem(); |
| 184 |
} |
| 185 |
foreach($attachments as $item) { |
| 186 |
$newfile = plugin_dir_path(__FILE__).'attachments/'.$subfolder.'/'.basename($item); |
| 187 |
$wp_filesystem->copy($item,$newfile); |
| 188 |
array_push($newattachments,$newfile); |
| 189 |
} |
| 190 |
$data['attachments'] = maybe_serialize($newattachments); |
| 191 |
} |
| 192 |
} |
| 193 |
$inserted = $wpdb->insert($tableName,$data); |
| 194 |
|
| 195 |
if ($status == 'instant') { |
| 196 |
return null; |
| 197 |
} else if ( !$inserted ) { |
| 198 |
// No database entry, email cannot be send |
| 199 |
return false; |
| 200 |
} else { |
| 201 |
// Fake Submit by returning 'True' |
| 202 |
return true; |
| 203 |
} |
| 204 |
|
| 205 |
} |
| 206 |
|
| 207 |
|
| 208 |
|
| 209 |
// show wp_mail() errors |
| 210 |
function wdm_wpma_mail_failed( $wp_error ) { |
| 211 |
global $wpdb,$wdm_wpma_options,$wdm_wpma_mailid; |
| 212 |
if (isset($wdm_wpma_mailid) && $wdm_wpma_mailid != 0) { |
| 213 |
$tableName = $wpdb->prefix.$wdm_wpma_options['tableName']; |
| 214 |
$wpMailFailedError = isset( $wp_error->errors ) && isset( $wp_error->errors['wp_mail_failed'][0] ) ? implode( '; ', $wp_error->errors['wp_mail_failed'] ) : '<em>Unknown</em>'; |
| 215 |
$wpdb->update($tableName,array('timestamp'=>current_time('mysql',false),'status'=>'error', 'info'=>$wpMailFailedError),array('id'=>intval($wdm_wpma_mailid)),array('%s', '%s', '%s'),'%d'); |
| 216 |
} |
| 217 |
return error_log(print_r($wp_error, true)); |
| 218 |
} |
| 219 |
add_action('wp_mail_failed','wdm_wpma_mail_failed',10,1); |
| 220 |
|
| 221 |
|
| 222 |
|
| 223 |
|
| 224 |
/* *************************************************************** |
| 225 |
CRON |
| 226 |
**************************************************************** */ |
| 227 |
function wdm_wpma_search_mail_from_queue() { |
| 228 |
|
| 229 |
global $wpdb,$wdm_wpma_options, $wdm_wpma_mailid, $wdm_wpma_pre_wp_mail_priority; |
| 230 |
|
| 231 |
if ($wdm_wpma_options['enabled'] != '1') { return; } |
| 232 |
$tableName = $wpdb->prefix.$wdm_wpma_options['tableName']; |
| 233 |
|
| 234 |
// Triggercount to avoid multiple runs |
| 235 |
$wdm_wpma_options['triggercount']++; |
| 236 |
if ($wdm_wpma_options['triggercount'] > 1) { return; } |
| 237 |
|
| 238 |
// Total Mails waiting in the Queue? |
| 239 |
$mailjobsTotal = $wpdb->get_var( "SELECT COUNT(*) FROM `$tableName` WHERE `status` = 'queue' OR `status` = 'high'" ); |
| 240 |
|
| 241 |
// Mails to send |
| 242 |
$mailjobs = $wpdb->get_results("SELECT * FROM `$tableName` WHERE `status` = 'queue' OR `status` = 'high' ORDER BY `status` ASC, `id` LIMIT ".intval($wdm_wpma_options['queue_amount']),'ARRAY_A'); |
| 243 |
$mailsInQueue = is_array($mailjobs) ? count($mailjobs) : 0; |
| 244 |
|
| 245 |
// Alert Admin, if too many mails in the Queue. |
| 246 |
if ($wdm_wpma_options['alert_enabled'] == '1' && $mailjobsTotal > intval($wdm_wpma_options['email_amount'])) { |
| 247 |
|
| 248 |
// Last alerts older than 6 hours? |
| 249 |
$alerts = $wpdb->get_results("SELECT * FROM `$tableName` WHERE `status` = 'alert' AND `timestamp` > NOW() - INTERVAL 6 HOUR",'ARRAY_A'); |
| 250 |
|
| 251 |
// If no alerts, then send one |
| 252 |
if (!$alerts) { |
| 253 |
$alertMessage = 'Hi,'; |
| 254 |
$alertMessage .= "\n\n"; |
| 255 |
$alertMessage .= 'this is an important message from your WordPress website '.esc_url(get_option('siteurl')).'.'; |
| 256 |
$alertMessage .= "\n"; |
| 257 |
$alertMessage .= "\n".'The Mail Queue Plugin has detected that your website tries to send more emails than expected (currently '.$mailjobsTotal.').'; |
| 258 |
$alertMessage .= "\n".'Please take a close look at the email queue, because it contains more messages than the specified limit.'; |
| 259 |
$alertMessage .= "\n"; |
| 260 |
$alertMessage .= "\n".'In case this is the usual amount of emails, you can adjust the threshold for alerts in the settings of your Mail Queue Plugin.'; |
| 261 |
$alertMessage .= "\n\n"; |
| 262 |
$alertMessage .= "-- "; |
| 263 |
$alertMessage .= "\n"; |
| 264 |
$alertMessage .= admin_url(); |
| 265 |
$alertSubject = '🔴 WordPress Mail Queue Alert - '.esc_html(get_option('blogname')); |
| 266 |
$data = array( |
| 267 |
'timestamp'=> current_time('mysql',false), |
| 268 |
'recipient'=> sanitize_email($wdm_wpma_options['email']), |
| 269 |
'subject' => $alertSubject, |
| 270 |
'message' => $alertMessage, |
| 271 |
'status' => 'alert', |
| 272 |
'info' => json_encode([ |
| 273 |
'in_queue' => strval( $mailsInQueue ), |
| 274 |
'email_amount' => intval($wdm_wpma_options['email_amount']), |
| 275 |
'queue_amount' => intval($wdm_wpma_options['queue_amount']), |
| 276 |
'queue_interval' => intval($wdm_wpma_options['queue_interval']), |
| 277 |
]), |
| 278 |
); |
| 279 |
$wpdb->insert($tableName,$data); |
| 280 |
wp_mail($wdm_wpma_options['email'],$alertSubject,$alertMessage); |
| 281 |
} |
| 282 |
|
| 283 |
} |
| 284 |
|
| 285 |
// Send Mails in Queue |
| 286 |
if ($mailsInQueue > 0) { |
| 287 |
$results = array_slice($mailjobs,0,intval($wdm_wpma_options['queue_amount'])); |
| 288 |
if ($results && count($results) > 0) { |
| 289 |
foreach($results as $index => $item) { |
| 290 |
if ($item['recipient'] && $item['recipient'] != '') { $to = maybe_unserialize($item['recipient']); } else { $to = $wdm_wpma_options['email']; $item['subject'] = 'ERROR // '.$item['subject']; } |
| 291 |
if ($item['headers'] && $item['headers'] != '') { $headers = maybe_unserialize($item['headers']); } else { $headers = ''; } |
| 292 |
if ($item['attachments'] && $item['attachments'] != '') { $attachments = maybe_unserialize($item['attachments']); } else { $attachments = ''; } |
| 293 |
$wdm_wpma_mailid = $item['id']; |
| 294 |
|
| 295 |
remove_filter('pre_wp_mail', 'wdm_wpma_prewpmail', $wdm_wpma_pre_wp_mail_priority); |
| 296 |
$sendstatus = wp_mail($to,$item['subject'],$item['message'],$headers,$attachments); // Finally sends the email for real |
| 297 |
add_filter('pre_wp_mail', 'wdm_wpma_prewpmail', $wdm_wpma_pre_wp_mail_priority, 2); |
| 298 |
if ($sendstatus) { |
| 299 |
$wpdb->update($tableName,array('timestamp'=>current_time('mysql',false),'status'=>'sent'),array('id'=>$item['id']),'%s','%d'); |
| 300 |
} |
| 301 |
if (is_array($attachments)) { |
| 302 |
global $wp_filesystem; |
| 303 |
if ( ! is_a( $wp_filesystem, 'WP_Filesystem_Base') ){ |
| 304 |
include_once(ABSPATH . 'wp-admin/includes/file.php'); |
| 305 |
WP_Filesystem(); |
| 306 |
} |
| 307 |
$attachmentfolder = pathinfo($attachments[0]); |
| 308 |
$wp_filesystem->delete($attachmentfolder['dirname'],true,'d'); |
| 309 |
} |
| 310 |
} |
| 311 |
} |
| 312 |
} |
| 313 |
|
| 314 |
// Delete old logs |
| 315 |
$wpdb->query("DELETE FROM `$tableName` WHERE `status` != 'queue' AND `timestamp` < NOW() - INTERVAL ".esc_sql($wdm_wpma_options['clear_queue'])." HOUR"); |
| 316 |
|
| 317 |
} |
| 318 |
add_action('wp_mail_queue_hook','wdm_wpma_search_mail_from_queue'); |
| 319 |
|
| 320 |
// Custom Cron Interval |
| 321 |
function wdm_wpma_cron_interval( $schedules ) { |
| 322 |
global $wdm_wpma_options; |
| 323 |
$schedules['wdm_wpma_interval'] = array( |
| 324 |
'interval' => $wdm_wpma_options['queue_interval'], |
| 325 |
'display' => esc_html__('WP Mail Queue'), ); |
| 326 |
return $schedules; |
| 327 |
} |
| 328 |
add_filter('cron_schedules','wdm_wpma_cron_interval'); |
| 329 |
|
| 330 |
// Set or Remove Cron |
| 331 |
$next_wpma_cron_timestamp = wp_next_scheduled('wp_mail_queue_hook'); |
| 332 |
if ($next_wpma_cron_timestamp && $wdm_wpma_options['enabled'] != '1') { |
| 333 |
wp_unschedule_event($next_wpma_cron_timestamp,'wp_mail_queue_hook'); |
| 334 |
} else if (!$next_wpma_cron_timestamp && $wdm_wpma_options['enabled'] == '1') { |
| 335 |
wp_schedule_event(time(),'wdm_wpma_interval','wp_mail_queue_hook'); |
| 336 |
} |
| 337 |
|
| 338 |
|
| 339 |
|
| 340 |
/* *************************************************************** |
| 341 |
Install/Uninstall/Upgrade |
| 342 |
**************************************************************** */ |
| 343 |
|
| 344 |
|
| 345 |
/* Delete plugin options and database table */ |
| 346 |
function wdm_wpma_uninstall () { |
| 347 |
global $wpdb; |
| 348 |
|
| 349 |
$optionName = 'wdm_wpma_settings'; |
| 350 |
delete_option( $optionName ); |
| 351 |
|
| 352 |
$optionName = 'wdm_wpma_version'; |
| 353 |
delete_option( $optionName ); |
| 354 |
|
| 355 |
$tableName = $wpdb->prefix.'mail_queue'; |
| 356 |
$wpdb->query( "DROP TABLE IF EXISTS $tableName" ); |
| 357 |
} |
| 358 |
|
| 359 |
/* Delete Cron when Plugin deactivated */ |
| 360 |
function wdm_wpma_deactivate() { |
| 361 |
wp_clear_scheduled_hook( 'wp_mail_queue_hook' ); |
| 362 |
} |
| 363 |
|
| 364 |
/* Create/Upgrade MySQL Table on Activation/Upgrade: https://codex.wordpress.org/Creating_Tables_with_Plugins */ |
| 365 |
function wdm_wpma_updateDatabaseTables() { |
| 366 |
global $wpdb, $wdm_wpma_version; |
| 367 |
|
| 368 |
$tableName = $wpdb->prefix.'mail_queue'; |
| 369 |
|
| 370 |
$charset_collate = $wpdb->get_charset_collate(); |
| 371 |
|
| 372 |
$sql = "CREATE TABLE $tableName ( |
| 373 |
id mediumint(9) NOT NULL AUTO_INCREMENT, |
| 374 |
timestamp TIMESTAMP NOT NULL, |
| 375 |
status varchar(55) DEFAULT '' NOT NULL, |
| 376 |
recipient varchar(255) DEFAULT '' NOT NULL, |
| 377 |
subject varchar(255) DEFAULT '' NOT NULL, |
| 378 |
message mediumtext NOT NULL, |
| 379 |
headers text NOT NULL, |
| 380 |
attachments text NOT NULL, |
| 381 |
info varchar(255) DEFAULT '' NOT NULL, |
| 382 |
PRIMARY KEY (id) |
| 383 |
) $charset_collate;"; |
| 384 |
|
| 385 |
require_once( ABSPATH . 'wp-admin/includes/upgrade.php' ); |
| 386 |
dbDelta( $sql ); |
| 387 |
|
| 388 |
update_option( 'wdm_wpma_version', $wdm_wpma_version, /*autoload*/true ); |
| 389 |
} |
| 390 |
|
| 391 |
/* Update database and register hooks on activation */ |
| 392 |
function wdm_wpma_activate() { |
| 393 |
wdm_wpma_updateDatabaseTables(); |
| 394 |
register_uninstall_hook( __FILE__, 'wdm_wpma_uninstall' ); |
| 395 |
register_deactivation_hook( __FILE__, 'wdm_wpma_deactivate' ); |
| 396 |
} |
| 397 |
register_activation_hook( __FILE__, 'wdm_wpma_activate' ); |
| 398 |
|
| 399 |
/* Upgrade routine: check for mismatching version numbers and run database update if necessary */ |
| 400 |
function wdm_wpma_check_update_db () { |
| 401 |
global $wdm_wpma_version; |
| 402 |
if ( get_option( 'wdm_wpma_version' ) !== $wdm_wpma_version ) { |
| 403 |
wdm_wpma_updateDatabaseTables(); |
| 404 |
} |
| 405 |
} |
| 406 |
add_action( 'plugins_loaded', 'wdm_wpma_check_update_db', 10, 0 ); |
| 407 |
|
| 408 |
|
| 409 |
|
| 410 |
|
| 411 |
/* *************************************************************** |
| 412 |
Options Page |
| 413 |
**************************************************************** */ |
| 414 |
if (is_admin()) { |
| 415 |
require_once( plugin_dir_path( __FILE__ ) . 'mail-queue-options.php' ); |
| 416 |
} |
| 417 |
|
| 418 |
|
| 419 |
|
| 420 |
|
| 421 |
/* *************************************************************** |
| 422 |
REST API |
| 423 |
**************************************************************** */ |
| 424 |
|
| 425 |
|
| 426 |
function wdm_wpma_add_rest_endpoints () { |
| 427 |
register_rest_route('wpma/v1', '/message/(?P<id>[\d]+)', array( |
| 428 |
'methods' => 'GET', |
| 429 |
'callback' => 'wdm_wpma_rest_get_message', |
| 430 |
'permission_callback' => function () { |
| 431 |
return current_user_can( 'manage_options' ); |
| 432 |
}, |
| 433 |
)); |
| 434 |
} |
| 435 |
add_action('rest_api_init', 'wdm_wpma_add_rest_endpoints', 10, 0); |
| 436 |
|
| 437 |
|
| 438 |
function wdm_wpma_rest_get_message ($request) { |
| 439 |
global $wpdb, $wdm_wpma_options; |
| 440 |
$tableName = $wpdb->prefix.$wdm_wpma_options['tableName']; |
| 441 |
$id = intval($request['id']); |
| 442 |
$row = $wpdb->get_row( $wpdb->prepare("SELECT * FROM `$tableName` WHERE `id` = %d", $id ), ARRAY_A ); |
| 443 |
if ($row) { |
| 444 |
// Search for content-type header to detect html emails |
| 445 |
$is_content_type_html = false; |
| 446 |
$headers = maybe_unserialize( $row['headers'] ); |
| 447 |
if (is_string($headers)) { |
| 448 |
$headers = [ $headers ]; |
| 449 |
} else if (!is_array($headers)) { |
| 450 |
$headers = []; |
| 451 |
} |
| 452 |
foreach ( $headers as $header ) { |
| 453 |
if ( preg_match( '/content-type: ?text\/html/i', $header ) ) { |
| 454 |
$is_content_type_html = true; |
| 455 |
break; |
| 456 |
} |
| 457 |
} |
| 458 |
return array( |
| 459 |
'status' => 'ok', |
| 460 |
'data' => array( |
| 461 |
'html' => wdm_wpma_render_list_message(maybe_unserialize($row['message']),$is_content_type_html), |
| 462 |
), |
| 463 |
); |
| 464 |
} else { |
| 465 |
return new WP_Error( 'no_message', __( 'Message not found' ), array( 'status' => 404 ) ); |
| 466 |
} |
| 467 |
} |
| 468 |
|
| 469 |
function wdm_wpma_render_list_message ($message, $is_content_type_html) { |
| 470 |
// Split html emails into parts and extract plain text preview |
| 471 |
$parts = explode( '<body', $message ); |
| 472 |
$is_html = $is_content_type_html || count($parts) > 1; |
| 473 |
if ($is_html) { |
| 474 |
if (count($parts) > 1) { |
| 475 |
$header = $parts[0]; |
| 476 |
$body = '<body'.$parts[1]; |
| 477 |
} else { |
| 478 |
$header = ''; |
| 479 |
$body = $parts[0]; |
| 480 |
} |
| 481 |
$parts = explode('</body>', $body); |
| 482 |
if (count($parts) > 1) { |
| 483 |
$body = $parts[0].'</body>'; |
| 484 |
$footer = $parts[1]; |
| 485 |
} else { |
| 486 |
$body = $parts[0]; |
| 487 |
$footer = ''; |
| 488 |
} |
| 489 |
if (!function_exists('convert_html_to_text')) { |
| 490 |
require_once __DIR__.'/lib/html2text/html2text.php'; |
| 491 |
} |
| 492 |
// ignore warnings when converting html containing non-converted HTML entities |
| 493 |
$internal_errors = libxml_use_internal_errors(true); |
| 494 |
$text = convert_html_to_text( $body ); |
| 495 |
libxml_use_internal_errors($internal_errors); |
| 496 |
} else { |
| 497 |
$text = $message; |
| 498 |
$header = ''; |
| 499 |
$body = ''; |
| 500 |
$footer = ''; |
| 501 |
} |
| 502 |
$html = ''; |
| 503 |
$html .= '<details class="wdm-wpma-email-source-meta" open><summary>Text</summary><pre class="wdm-wpma-email-plain-text">'.esc_html( $text ).'</pre></details>'; |
| 504 |
$html .= $header ? '<details class="wdm-wpma-email-source-meta"><summary>HTML Header</summary><pre>'.esc_html( wdm_wpma_render_html_for_display($header) ).'</pre></details>' : ''; |
| 505 |
$html .= $body ? '<details class="wdm-wpma-email-source-meta"><summary>HTML Body</summary><pre>'.esc_html( wdm_wpma_render_html_for_display($body) ).'</pre></details>' : ''; |
| 506 |
$html .= $footer ? '<details class="wdm-wpma-email-source-meta"><summary>HTML Footer</summary><pre>'.esc_html( wdm_wpma_render_html_for_display($footer) ).'</pre></details>' : ''; |
| 507 |
return $html; |
| 508 |
} |
| 509 |
|
| 510 |
function wdm_wpma_render_html_for_display ($html) { |
| 511 |
$html = preg_replace( '/;base64,[^"\']+("|\')+/', ';base64, [...] $1', $html ); |
| 512 |
return $html; |
| 513 |
} |
| 514 |
|
