updraftplus / methods / email.php

email.php in UpdraftPlus: WP Backup & Migration Plugin 1.22.14, at methods/email.php

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1	<?php
2
3	if (!defined('UPDRAFTPLUS_DIR')) die('No direct access allowed.');
4
5	// Files can easily get too big for this method
6
7	if (!class_exists('UpdraftPlus_BackupModule')) require_once(UPDRAFTPLUS_DIR.'/methods/backup-module.php');
8
9	class UpdraftPlus_BackupModule_email extends UpdraftPlus_BackupModule {
10
11	public function backup($backup_array) {
12
13	global $updraftplus;
14
15	$updraft_dir = trailingslashit($updraftplus->backups_dir_location());
16
17	$email = $updraftplus->just_one_email(UpdraftPlus_Options::get_updraft_option('updraft_email'), true);
18
19	if (!is_array($email)) $email = array_filter(array($email));
20
21	foreach ($backup_array as $type => $file) {
22
23	$descrip_type = preg_match('/^(.*)\d+$/', $type, $matches) ? $matches[1] : $type;
24
25	$fullpath = $updraft_dir.$file;
26
27	if (file_exists($fullpath) && filesize($fullpath) > UPDRAFTPLUS_WARN_EMAIL_SIZE) {
28	$size_in_mb_of_big_file = round(filesize($fullpath)/1048576, 1);
29	$toobig_hash = md5($file);
30	$this->log($file.': '.sprintf(__('This backup archive is %s MB in size - the attempt to send this via email is likely to fail (few email servers allow attachments of this size). If so, you should switch to using a different remote storage method.', 'updraftplus'), $size_in_mb_of_big_file), 'warning', 'toobigforemail_'.$toobig_hash);
31	}
32
33	$any_attempted = false;
34	$any_sent = false;
35	$any_skip = false;
36	foreach ($email as $ind => $addr) {
37
38	if (apply_filters('updraftplus_email_backup', true, $addr, $ind, $type)) {
39	foreach (explode(',', $addr) as $sendmail_addr) {
40	if (!preg_match('/^https?:\/\//i', $sendmail_addr)) {
41	$send_short = (strlen($sendmail_addr)>5) ? substr($sendmail_addr, 0, 5).'...' : $sendmail_addr;
42	$this->log("$file: email to: $send_short");
43	$any_attempted = true;
44	$headers = array();
45
46	$subject = __("WordPress Backup", 'updraftplus').': '.get_bloginfo('name').' (UpdraftPlus '.$updraftplus->version.') '.get_date_from_gmt(gmdate('Y-m-d H:i:s', $updraftplus->backup_time), 'Y-m-d H:i');
47	$from_email = apply_filters('updraftplus_email_from_header', $updraftplus->get_email_from_header());
48	$from_name = apply_filters('updraftplus_email_from_name_header', $updraftplus->get_email_from_name_header());
49	// Notice that we don't use the 'wp_mail_from' filter, but only the 'From:' header to set sender name and sender email address, the reason behind it is that some SMTP plugins override the "wp_mail()" function and they do anything they want inside their own "wp_mail()" function, including not to call the php_mailer filter nor the wp_mail_from and wp_mail_from_name filters, but since the function signature remain the same as the WP one, so they may evaluate and do something with the header parameter
50	if ('' !== $from_email) {
51	$headers[] = sprintf('From: %s <%s>', $from_name, $from_email);
52	} else {
53	add_filter('wp_mail_from_name', array($updraftplus, 'get_email_from_name_header'), 9);
54	}
55	add_action('wp_mail_failed', array($updraftplus, 'log_email_delivery_failure'));
56	$sent = wp_mail(trim($sendmail_addr), $subject, sprintf(__("Backup is of: %s.", 'updraftplus'), site_url().' ('.$descrip_type.')'), $headers, array($fullpath));
57	remove_action('wp_mail_failed', array($updraftplus, 'log_email_delivery_failure'));
58	if ($sent) $any_sent = true;
59	}
60	}
61	} else {
62	$log_message = apply_filters('updraftplus_email_backup_skip_log_message', '', $addr, $ind, $descrip_type);
63	if (!empty($log_message)) {
64	$this->log($log_message);
65	}
66	$any_skip = true;
67	}
68	}
69	if ($any_sent) {
70	if (isset($toobig_hash)) {
71	$updraftplus->log_remove_warning('toobigforemail_'.$toobig_hash);
72	// Don't leave it still set for the next archive
73	unset($toobig_hash);
74	}
75	$updraftplus->uploaded_file($file);
76	} elseif ($any_attempted) {
77	$this->log('Mails were not sent successfully');
78	$this->log(__('The attempt to send the backup via email failed (probably the backup was too large for this method)', 'updraftplus'), 'error');
79	} elseif ($any_skip) {
80	$this->log('No email addresses were configured to send email to '.$descrip_type);
81	} else {
82	$this->log('No email addresses were configured to send to');
83	}
84	}
85	return null;
86	}
87
88	/**
89	* Acts as a WordPress options filter
90	*
91	* @param Array $options - An array of options
92	*
93	* @return Array - the returned array can either be the set of updated settings or a WordPress error array
94	*/
95	public function options_filter($options) {
96	global $updraftplus;
97	return $updraftplus->just_one_email($options);
98	}
99
100	public function config_print() {
101	global $updraftplus;
102	?>
103	<tr class="updraftplusmethod email">
104	<th><?php _e('Note:', 'updraftplus');?></th>
105	<td><?php
106
107	$used = apply_filters('updraftplus_email_whichaddresses',
108	sprintf(__("Your site's admin email address (%s) will be used.", 'updraftplus'), get_bloginfo('admin_email').' - <a href="'.esc_attr(admin_url('options-general.php')).'">'.__("configure it here", 'updraftplus').'</a>').
109	' <a href="'.$updraftplus->get_url('premium').'" target="_blank">'.__('For more options, use Premium', 'updraftplus').'</a>'
110	);
111
112	echo $used.' '.sprintf(__('Be aware that mail servers tend to have size limits; typically around %s MB; backups larger than any limits will likely not arrive.', 'updraftplus'), '10-20');
113	?>
114	</td>
115	</tr>
116	<?php
117	}
118
119	public function delete($files, $data = null, $sizeinfo = array()) {// phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
120	return true;
121	}
122	}
123