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@@ -0,0 +1,109 @@
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+<?php
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+/*Thanks https://github.com/rohmann/wp-multisite-smtp */
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+
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+class DW_SMTP {
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+
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+ protected static $instance;
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+ protected $validations;
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+
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+ function __construct() {
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+
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+ $this->prepare_settings();
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+ $check = $this->validate();
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+
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+ if( is_wp_error( $check ) ) {
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+ trigger_error($check->get_error_message(), E_USER_WARNING);
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+ } else {
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+ add_action( 'phpmailer_init', array( $this, 'mailer') );
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+ }
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+
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+ unset($this->validations);
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+ }
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+
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+ public static function launch() {
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+ self::$instance = (defined('GLOBAL_SMTP_DISABLE') && GLOBAL_SMTP_DISABLE ) ? null : new self();
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+ }
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+
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+ protected function prepare_settings() {
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+ $this->validations = new stdClass;
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+ $this->validations->required = array('GLOBAL_SMTP_HOST','GLOBAL_SMTP_USER','GLOBAL_SMTP_PASSWORD');
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+ $this->validations->is_email = array('GLOBAL_SMTP_RETURN_PATH','GLOBAL_SMTP_FROM','GLOBAL_SMTP_REPLYTO_FROM');
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+ $this->validations->not_empty = array('GLOBAL_SMTP_FROM','GLOBAL_SMTP_FROM_NAME');
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+ $this->validations->is_int = array('GLOBAL_SMTP_PORT','GLOBAL_SMTP_TIMEOUT');
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+ $this->validations->should_be = array('GLOBAL_SMTP_SECURE' => array('ssl','tls','none'),
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+ 'GLOBAL_SMTP_AUTH_TYPE' => array('LOGIN','PLAIN','NTLM') );
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+
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+ $assume = array(
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+ 'GLOBAL_SMTP_PORT'=> 465,
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+ 'GLOBAL_SMTP_SECURE' => 'ssl',
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+ 'GLOBAL_SMTP_TIMEOUT' => 10,
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+ 'GLOBAL_SMTP_FROM' => get_site_option('admin_email','',true),
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+ 'GLOBAL_SMTP_FROM_NAME' => get_site_option('site_name','WordPress',true),
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+ 'GLOBAL_SMTP_AUTH_TYPE' => 'LOGIN',
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+ );
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+
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+ foreach ($assume as $setting => $default) {
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+ if(!defined($setting)) {
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+ define($setting, $default);
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+ }
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+ }
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+ }
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+
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+ protected function validate() {
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+
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+ foreach ($this->validations->required as $setting) {
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+ if(!defined($setting)) {
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+ return new WP_Error( 'multisite-smtp', sprintf( __( '%s is required for Multisite SMTP. Please define this in wp-config.php.', 'multisite-smtp' ), $setting ) );
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+ }
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+ }
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+
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+ foreach ($this->validations->is_email as $setting) {
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+ if (defined($setting) && !is_email(constant($setting))) {
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+ return new WP_Error( 'multisite-smtp', sprintf( __( 'Value of %s is not a valid email address. Check wp-config.php, or ensure a valid fallback is available.', 'multisite-smtp' ), $setting ) );
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+ }
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+ }
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+
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+ foreach ($this->validations->not_empty as $setting) {
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+ if(defined($setting) && constant($setting)=="") {
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+ return new WP_Error( 'multisite-smtp', sprintf( __( '%s is empty. Check wp-config.php, or ensure a valid fallback is available.', 'multisite-smtp' ), $setting ) );
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+ }
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+ }
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+
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+ foreach ($this->validations->is_int as $setting) {
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+ if(defined($setting) && !is_int(constant($setting)) ) {
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+ return new WP_Error( 'multisite-smtp', sprintf( __( '%s should be an integer. The force is not so strong with this one...', 'multisite-smtp' ), $setting ) );
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+ }
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+ }
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+
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+ foreach ($this->validations->should_be as $setting => $allowed) {
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+ if(defined($setting) && !in_array(constant($setting), $allowed)) {
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+ return new WP_Error( 'multisite-smtp', sprintf( __( '%s is invalid. It should be one of these values: "%s"', 'multisite-smtp' ), $setting, implode('" , "',$allowed) ) );
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+ }
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+ }
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+
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+ return true;
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+ }
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+
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+ public function mailer( $phpmailer ) {
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+
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+ if(defined('GLOBAL_SMTP_DEBUG') && GLOBAL_SMTP_DEBUG ) $phpmailer->SMTPDebug = true;
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+
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+ $phpmailer->Mailer = "smtp";
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+ $phpmailer->SMTPAuth = true;
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+ $phpmailer->Host = GLOBAL_SMTP_HOST;
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+ $phpmailer->Username = GLOBAL_SMTP_USER;
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+ $phpmailer->Password = GLOBAL_SMTP_PASSWORD;
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+ $phpmailer->From = GLOBAL_SMTP_FROM;
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+ $phpmailer->FromName = GLOBAL_SMTP_FROM_NAME;
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+ $phpmailer->Port = GLOBAL_SMTP_PORT;
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+ $phpmailer->SMTPSecure = GLOBAL_SMTP_SECURE;
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+ $phpmailer->AuthType = GLOBAL_SMTP_AUTH_TYPE;
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+ $phpmailer->Sender = defined('GLOBAL_SMTP_RETURN_PATH') ? GLOBAL_SMTP_RETURN_PATH : GLOBAL_SMTP_FROM;
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+
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+ if(defined('GLOBAL_SMTP_REPLYTO_FROM')) {
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+ $phpmailer->AddReplyTo(GLOBAL_SMTP_REPLYTO_FROM, defined('GLOBAL_SMTP_REPLYTO_FROM_NAME') ? GLOBAL_SMTP_REPLYTO_FROM_NAME : GLOBAL_SMTP_FROM_NAME);
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+ }
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+ }
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+}
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+
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+DW_SMTP::launch();
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