disable-emails / includes / functions.php

functions.php in Disable Emails trunk, at includes/functions.php

118 lines 3.1 KB

Raw Download Zip

1	<?php
2
3	namespace webaware\disable_emails;
4
5	use Exception;
6
7	if (!defined('ABSPATH')) {
8	exit;
9	}
10
11	const OPT_SETTINGS = 'disable_emails';
12
13	const INDICATOR_NONE = 'none';
14	const INDICATOR_TOOLBAR = 'toolbar';
15	const INDICATOR_NOTICE = 'notice';
16	const INDICATOR_NOTICE_AND_TB = 'notice_toolbar';
17
18	/**
19	* get current plugin settings, use defaults if settings not yet saved
20	* @return array
21	*/
22	function get_plugin_settings() {
23	$defaults = [
24	'wp_mail' => 1,
25	'wp_mail_from' => 1,
26	'wp_mail_from_name' => 1,
27	'wp_mail_content_type' => 1,
28	'wp_mail_charset' => 1,
29	'phpmailer_init' => 1,
30	'buddypress' => 1,
31	'events_manager' => 1,
32	'indicator' => INDICATOR_TOOLBAR,
33	];
34
35	return wp_parse_args(get_option(OPT_SETTINGS, []), $defaults);
36	}
37
38	/**
39	* can current user activate/deactivate the must-use plugin?
40	* @return bool
41	*/
42	function has_mu_plugin_permission() {
43	return current_user_can(is_multisite() ? 'manage_network_plugins' : 'activate_plugins');
44	}
45
46	/**
47	* install, update, or remove the must-use plugin
48	* @param string $action
49	* @return bool
50	* @throws Exception
51	*/
52	function mu_plugin_manage($action) {
53	if (!has_mu_plugin_permission()) {
54	throw new Exception(__('No permission to manage Disable Emails must-use plugin.', 'disable-emails'));
55	}
56
57	$has_mu_plugin = defined('DISABLE_EMAILS_MU_PLUGIN');
58
59	$wpmu_plugin_dir = rtrim(wp_normalize_path(WPMU_PLUGIN_DIR), '/');
60	if (!is_dir($wpmu_plugin_dir)) {
61	// folder does not exist, create it now
62	wp_mkdir_p($wpmu_plugin_dir);
63	if (!is_dir($wpmu_plugin_dir)) {
64	throw new Exception(__('Unable to create folder for Disable Emails must-use plugin.', 'disable-emails'));
65	}
66	}
67
68	$source = wp_normalize_path(DISABLE_EMAILS_PLUGIN_ROOT . 'mu-plugin/disable-emails-mu.php');
69	$target = "$wpmu_plugin_dir/disable-emails-mu.php";
70
71	switch ($action) {
72
73	case 'activate':
74	case 'update':
75	if (!copy($source, $target)) {
76	throw new Exception(__('Unable to install Disable Emails must-use plugin.', 'disable-emails'));
77	}
78	$has_mu_plugin = true;
79	break;
80
81	case 'deactivate':
82	if (!unlink($target)) {
83	throw new Exception(__('Unable to uninstall Disable Emails must-use plugin.', 'disable-emails'));
84	}
85	$has_mu_plugin = false;
86	break;
87
88	default:
89	throw new Exception(__('Invalid action for Disable Emails must-use plugin.', 'disable-emails'));
90
91	}
92
93	return $has_mu_plugin;
94	}
95
96	/**
97	* get message for current active status
98	* @return string
99	*/
100	function get_status_message() {
101	require_once ABSPATH . 'wp-admin/includes/plugin.php';
102
103	if (defined('DISABLE_EMAILS_MU_PLUGIN') && is_multisite()) {
104	/* translators: shown when emails are disabled for all sites in all networks in a multisite, with the must-use plugin */
105	$msg = __('Emails are disabled for all sites.', 'disable-emails');
106	}
107	elseif (is_plugin_active_for_network(DISABLE_EMAILS_PLUGIN_NAME)) {
108	/* translators: shown when emails are disabled for all sites in a multisite network, by network-activating the plugin */
109	$msg = __('Emails are disabled on this network.', 'disable-emails');
110	}
111	else {
112	/* translators: shown when emails are disabled for the current site */
113	$msg = __('Emails are disabled.', 'disable-emails');
114	}
115
116	return $msg;
117	}
118