vikbooking / libraries / adapter / plugin / installer / installer.php

installer.php in VikBooking Hotel Booking Engine & PMS trunk, at libraries/adapter/plugin/installer/installer.php

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1	<?php
2	/**
3	* @package VikUpdater
4	* @subpackage plugin
5	* @author E4J s.r.l.
6	* @copyright Copyright (C) 2023 E4J s.r.l. All Rights Reserved.
7	* @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
8	* @link https://vikwp.com
9	*/
10
11	// No direct access
12	defined('ABSPATH') or die('No script kiddies please!');
13
14	require_once ABSPATH . 'wp-includes/pluggable.php';
15	require_once ABSPATH . 'wp-admin/includes/plugin-install.php';
16	require_once ABSPATH . 'wp-admin/includes/file.php';
17	require_once ABSPATH . 'wp-admin/includes/misc.php';
18	require_once ABSPATH . 'wp-admin/includes/plugin.php';
19	require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
20
21	JLoader::import('adapter.plugin.installer.interface');
22
23	/**
24	* Generic class used to install remote plugins without
25	* the confirmation of the user.
26	*
27	* @since 10.1.57
28	*/
29	abstract class JPluginInstaller implements JPluginInstallerInterface
30	{
31	/**
32	* @inheritDoc
33	*/
34	final public function isInstalled()
35	{
36	// get the plugin slug
37	$slug = $this->getSlug();
38
39	// construct plugin url
40	$pluginPath = JPath::clean(WP_PLUGIN_DIR . '/' . $slug . '.php');
41
42	// validate the presence of the file
43	return JFile::exists($pluginPath);
44	}
45
46	/**
47	* @inheritDoc
48	*/
49	final public function isActive()
50	{
51	return is_plugin_active($this->getSlug() . '.php');
52	}
53
54	/**
55	* @inheritDoc
56	*/
57	final public function install()
58	{
59	/**
60	* Create a custom skin to support a sort of silent installation.
61	*
62	* @see WP_Upgrader_Skin
63	*/
64	$skin = new class extends WP_Upgrader_Skin
65	{
66	/** @var string[] */
67	private $trace = [];
68
69	/**
70	* @inheritDoc
71	*/
72	public function header()
73	{
74	// suppress unexpected output
75	}
76
77	/**
78	* @inheritDoc
79	*/
80	public function footer()
81	{
82	// suppress unexpected output
83	}
84
85	/**
86	* @inheritDoc
87	*/
88	public function feedback($feedback, ...$args)
89	{
90	// suppress any errors
91	$this->trace[] = $feedback;
92	}
93
94	/**
95	* Returns the feedback trace.
96	*
97	* @return string[]
98	*/
99	public function getTrace(): array
100	{
101	return $this->trace;
102	}
103	};
104
105	// create installer handler
106	$upgrader = new Plugin_Upgrader($skin);
107
108	// check whether the plugin is already installed
109	if ($this->isInstalled())
110	{
111	// plugin already installed, delete the folder first
112	JFolder::delete(dirname(WP_PLUGIN_DIR . DIRECTORY_SEPARATOR . $this->getSlug() . '.php'));
113	}
114
115	// download the plugin from the provided link and install it
116	$result = $upgrader->install($this->getUrl());
117
118	if ($result !== true)
119	{
120	if ($result instanceof WP_Error)
121	{
122	// propagate the error registered by the WP installer
123	$code = $result->get_error_code();
124	throw new RuntimeException($result->get_error_message(), is_numeric($code) ? (int) $code : 500);
125	}
126	else
127	{
128	// extract the error from our skin
129	$trace = $skin->getTrace();
130	throw new RuntimeException(end($trace) ?: 'Installation error.', 500);
131	}
132	}
133
134	// make sure the plugin actually exists
135	if (!$this->isInstalled())
136	{
137	// the plugin hasn't been properly downloaded
138	throw new RuntimeException('Plugin [' . $this->getSlug() . '] not found', 404);
139	}
140
141	if (!$this->isActive())
142	{
143	// try to activate the plugin
144	$result = activate_plugin($this->getSlug() . '.php');
145
146	if ($result instanceof WP_Error)
147	{
148	// propagate the error registered during the activation
149	$code = $result->get_error_code();
150	throw new RuntimeException($result->get_error_message(), is_numeric($code) ? (int) $code : 500);
151	}
152	}
153	}
154
155	/**
156	* Returns the plugin slug for the activation.
157	*
158	* @return string
159	*/
160	abstract protected function getSlug();
161
162	/**
163	* Returns the remote URL that will be used to download the plugin.
164	*
165	* @return string
166	*/
167	abstract protected function getUrl();
168	}
169