wp_mail_smtp.php — WP Mail SMTP by WPForms – The Most Popular SMTP and Email Log Plugin 2.0.0

wp-mail-smtp / wp_mail_smtp.php

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assets 6 years ago src 6 years ago vendor 6 years ago readme.txt 6 years ago uninstall.php 6 years ago wp-mail-smtp.php 6 years ago wp_mail_smtp.php 6 years ago

wp_mail_smtp.php

228 lines

1	<?php
2	/**
3	* Plugin Name: WP Mail SMTP
4	* Version: 2.0.0
5	* Plugin URI: https://wpmailsmtp.com/
6	* Description: Reconfigures the <code>wp_mail()</code> function to use Gmail/Mailgun/SendGrid/SMTP instead of the default <code>mail()</code> and creates an options page to manage the settings.
7	* Author: WPForms
8	* Author URI: https://wpforms.com/
9	* Network: false
10	* Text Domain: wp-mail-smtp
11	* Domain Path: /assets/languages
12	*/
13
14	/**
15	* @author WPForms
16	* @copyright WPForms, 2007-20, All Rights Reserved
17	* This code is released under the GPL licence version 3 or later, available here
18	* https://www.gnu.org/licenses/gpl.txt
19	*/
20
21	/**
22	* Setting options in wp-config.php
23	*
24	* Specifically aimed at WP Multisite users, you can set the options for this plugin as
25	* constants in wp-config.php. Copy the code below into wp-config.php and tweak settings.
26	* Values from constants are NOT stripslash()'ed.
27	*
28	* When enabled, make sure to comment out (at the beginning of the line using //) those constants that you do not need,
29	* or remove them completely, so they won't interfere with plugin settings.
30	*/
31
32	/*
33	define( 'WPMS_ON', true ); // True turns on the whole constants support and usage, false turns it off.
34
35	define( 'WPMS_DO_NOT_SEND', true ); // Or false, in that case constant is ignored.
36
37	define( 'WPMS_MAIL_FROM', 'mail@example.com' );
38	define( 'WPMS_MAIL_FROM_FORCE', true ); // True turns it on, false turns it off.
39	define( 'WPMS_MAIL_FROM_NAME', 'From Name' );
40	define( 'WPMS_MAIL_FROM_NAME_FORCE', true ); // True turns it on, false turns it off.
41	define( 'WPMS_MAILER', 'sendinblue' ); // Possible values: 'mail', 'smtpcom', 'sendinblue', 'mailgun', 'sendgrid', 'gmail', 'smtp'.
42	define( 'WPMS_SET_RETURN_PATH', true ); // Sets $phpmailer->Sender if true, relevant only for Other SMTP mailer.
43
44	// Recommended mailers.
45	define( 'WPMS_SMTPCOM_API_KEY', '' );
46	define( 'WPMS_SMTPCOM_CHANNEL', '' );
47
48	define( 'WPMS_PEPIPOST_API_KEY', '' );
49
50	define( 'WPMS_SENDINBLUE_API_KEY', '' );
51
52	define( 'WPMS_MAILGUN_API_KEY', '' );
53	define( 'WPMS_MAILGUN_DOMAIN', '' );
54	define( 'WPMS_MAILGUN_REGION', 'US' ); // or 'EU' for Europe.
55
56	define( 'WPMS_SENDGRID_API_KEY', '' );
57
58	define( 'WPMS_GMAIL_CLIENT_ID', '' );
59	define( 'WPMS_GMAIL_CLIENT_SECRET', '' );
60
61	define( 'WPMS_SMTP_HOST', 'localhost' ); // The SMTP mail host.
62	define( 'WPMS_SMTP_PORT', 25 ); // The SMTP server port number.
63	define( 'WPMS_SSL', '' ); // Possible values '', 'ssl', 'tls' - note TLS is not STARTTLS.
64	define( 'WPMS_SMTP_AUTH', true ); // True turns it on, false turns it off.
65	define( 'WPMS_SMTP_USER', 'username' ); // SMTP authentication username, only used if WPMS_SMTP_AUTH is true.
66	define( 'WPMS_SMTP_PASS', 'password' ); // SMTP authentication password, only used if WPMS_SMTP_AUTH is true.
67	define( 'WPMS_SMTP_AUTOTLS', true ); // True turns it on, false turns it off.
68	*/
69
70	/**
71	* Don't allow multiple versions of 1.5.x (Lite and Pro) and above to be active.
72	*
73	* @since 1.5.0
74	*/
75	if ( function_exists( 'wp_mail_smtp' ) ) {
76
77	if ( ! function_exists( 'wp_mail_smtp_deactivate' ) ) {
78	/**
79	* Deactivate if plugin already activated.
80	* Needed when transitioning from 1.5+ Lite to Pro.
81	*
82	* @since 1.5.0
83	*/
84	function wp_mail_smtp_deactivate() {
85
86	deactivate_plugins( plugin_basename( __FILE__ ) );
87	}
88	}
89	add_action( 'admin_init', 'wp_mail_smtp_deactivate' );
90
91	// Do not process the plugin code further.
92	return;
93	}
94
95	if ( ! function_exists( 'wp_mail_smtp_check_pro_loading_allowed' ) ) {
96	/**
97	* Don't allow 1.4.x and below to break when 1.5+ Pro is activated.
98	* This will stop the current plugin from loading and display a message in admin area.
99	*
100	* @since 1.5.0
101	*/
102	function wp_mail_smtp_check_pro_loading_allowed() {
103
104	// Check for pro without using wp_mail_smtp()->is_pro(), because at this point it's too early.
105	if ( ! is_readable( rtrim( plugin_dir_path( __FILE__ ), '/\\' ) . '/src/Pro/Pro.php' ) ) {
106	// Currently, not a pro version of the plugin is loaded.
107	return false;
108	}
109
110	if ( ! function_exists( 'is_plugin_active' ) ) {
111	require_once ABSPATH . '/wp-admin/includes/plugin.php';
112	}
113
114	// Search for old plugin name.
115	if ( is_plugin_active( 'wp-mail-smtp/wp_mail_smtp.php' ) ) {
116	// As Pro is loaded and Lite too - deactivate silently itself not to break older SMTP plugin.
117	deactivate_plugins( plugin_basename( __FILE__ ) );
118
119	add_action( 'admin_notices', 'wp_mail_smtp_lite_deactivation_notice' );
120
121	return true;
122	}
123
124	return false;
125	}
126
127	if ( ! function_exists( 'wp_mail_smtp_lite_deactivation_notice' ) ) {
128	/**
129	* Display the notice after deactivation.
130	*
131	* @since 1.5.0
132	*/
133	function wp_mail_smtp_lite_deactivation_notice() {
134
135	echo '<div class="notice notice-warning"><p>' . esc_html__( 'Please deactivate the free version of the WP Mail SMTP plugin before activating WP Mail SMTP Pro.', 'wp-mail-smtp' ) . '</p></div>';
136
137	if ( isset( $_GET['activate'] ) ) { // phpcs:ignore
138	unset( $_GET['activate'] ); // phpcs:ignore
139	}
140	}
141	}
142
143	// Stop the plugin loading.
144	if ( wp_mail_smtp_check_pro_loading_allowed() === true ) {
145	return;
146	}
147	}
148
149	if ( ! function_exists( 'wp_mail_smtp_insecure_php_version_notice' ) ) {
150	/**
151	* Display admin notice, if the server is using old/insecure PHP version.
152	*
153	* @since 2.0.0
154	*/
155	function wp_mail_smtp_insecure_php_version_notice() {
156
157	?>
158	<div class="notice notice-error">
159	<p>
160	<?php
161	printf(
162	wp_kses( /* translators: %1$s - WPBeginner URL for recommended WordPress hosting. */
163	__( 'Your site is running an <strong>insecure version</strong> of PHP that is no longer supported. Please contact your web hosting provider to update your PHP version or switch to a <a href="%1$s" target="_blank" rel="noopener noreferrer">recommended WordPress hosting company</a>.', 'wp-mail-smtp' ),
164	array(
165	'a' => array(
166	'href' => array(),
167	'target' => array(),
168	'rel' => array(),
169	),
170	'strong' => array(),
171	)
172	),
173	'https://www.wpbeginner.com/wordpress-hosting/'
174	);
175	?>
176	<br><br>
177	<?php
178	printf(
179	wp_kses( /* translators: %s - WPMailSMTP.com docs URL with more details. */
180	__( '<strong>WP Mail SMTP plugin is disabled</strong> on your site until you fix the issue. <a href="%s" target="_blank" rel="noopener noreferrer">Read more for additional information.</a>', 'wp-mail-smtp' ),
181	array(
182	'a' => array(
183	'href' => array(),
184	'target' => array(),
185	'rel' => array(),
186	),
187	'strong' => array(),
188	)
189	),
190	'https://wpmailsmtp.com/docs/supported-php-versions-for-wp-mail-smtp/'
191	);
192	?>
193	</p>
194	</div>
195
196	<?php
197
198	// In case this is on plugin activation.
199	if ( isset( $_GET['activate'] ) ) { //phpcs:ignore
200	unset( $_GET['activate'] ); //phpcs:ignore
201	}
202	}
203	}
204
205	if ( ! defined( 'WPMS_PLUGIN_VER' ) ) {
206	define( 'WPMS_PLUGIN_VER', '2.0.0' );
207	}
208	if ( ! defined( 'WPMS_PHP_VER' ) ) {
209	define( 'WPMS_PHP_VER', '5.5.0' );
210	}
211	if ( ! defined( 'WPMS_PLUGIN_FILE' ) ) {
212	define( 'WPMS_PLUGIN_FILE', __FILE__ );
213	}
214
215	/**
216	* Display admin notice and prevent plugin code execution, if the server is
217	* using old/insecure PHP version.
218	*
219	* @since 2.0.0
220	*/
221	if ( version_compare( phpversion(), WPMS_PHP_VER, '<' ) ) {
222	add_action( 'admin_notices', 'wp_mail_smtp_insecure_php_version_notice' );
223
224	return;
225	}
226
227	require_once dirname( __FILE__ ) . '/wp-mail-smtp.php';
228