plugversions / plugversions.php

plugversions.php in PlugVersions – Easily roll back to previous versions of your plugins. trunk, at plugversions.php

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1	<?php
2	/*
3	Plugin Name: PlugVersions
4	Description: it retains up to three versions when you update a plugin. It works also with premium and custom plugins.
5	Author: Jose Mortellaro
6	Author URI: https://josemortellaro.com
7	Domain Path: /languages/
8	Text Domain: plugversions
9	License: GPLv2 or later
10	License URI: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
11	Version: 0.2.1
12	Requires at least: 4.9
13	Tested up to: 6.8
14	Requires PHP: 7.4
15	Tags: plugin, versions, revisions, restore, rollback, backup, management
16	*/
17	/* This program is free software; you can redistribute it and/or modify
18	it under the terms of the GNU General Public License as published by
19	the Free Software Foundation; either version 2 of the License, or
20	(at your option) any later version.
21	This program is distributed in the hope that it will be useful,
22	but WITHOUT ANY WARRANTY; without even the implied warranty of
23	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24	GNU General Public License for more details.
25	*/
26	defined( 'ABSPATH' ) \|\| exit; // Exit if accessed directly.
27
28	//Definitions.
29	define( 'PLUGIN_REVISIONS_PLUGIN_DIR', untrailingslashit( dirname( __FILE__ ) ) );
30	define( 'PLUGIN_REVISIONS_PLUGIN_URL', untrailingslashit( plugins_url( '', __FILE__ ) ) );
31
32	if( is_admin() ){
33	require_once PLUGIN_REVISIONS_PLUGIN_DIR . '/admin/pr-admin.php';
34	}
35
36	add_filter( 'site_transient_update_plugins', function( $obj ) {
37	/**
38	* Remove plugin revisions from the update notifications
39	* This filter is applied to the site transient update plugins object.
40	* It checks if the object is set and is an object, then it iterates through the response array.
41	* If it finds a key that matches the plugin revision key, it removes that entry from the response.
42	*
43	* @since 0.0.1
44	*/
45	if( isset( $obj ) && is_object( $obj ) && isset( $obj->response ) ) {
46	$response = $obj->response;
47	$key = eos_plugin_revision_key();
48	foreach( $response as $p => $arr ){
49	if( false !== strpos( $p,'pr-'.$key.'-' ) && isset( $response[$p] ) ) {
50	unset( $response[$p] );
51	}
52	}
53	$obj->response = $response;
54	}
55	return $obj;
56	} );
57
58	/**
59	* Return revision key
60	* This key is used to identify the plugin revisions.
61	* It is based on the current time and is sanitized to ensure it is safe for use.
62	* If the key does not exist, it creates a new one and saves it in the site options.
63	*
64	* @since 0.0.1
65	*/
66	function eos_plugin_revision_key(){
67	$opts = get_site_option( 'plugin_revisions', array() );
68	if( $opts && isset( $opts['time' ] ) ){
69	$key = substr( md5( sanitize_text_field( $opts['time' ] ) ), 0, 8 );
70	return $key;
71	}
72	else{
73	$time = time();
74	$opts['time'] = $time;
75	update_site_option( 'plugin_revisions',$opts );
76	return substr( md5( $time ), 0, 8 );
77	}
78	return false;
79	}
80
81	/**
82	* Create a zip file using PclZip.
83	* This function creates a zip file from a specified directory using the PclZip library.
84	* It checks if the PclZip class exists, retrieves all files from the directory,
85	* and creates a zip file at the specified destination.
86	* If the zip creation fails, it returns false; otherwise, it returns true.
87	*
88	* @param string $destination The path where the zip file will be created.
89	* @param string $zip_dirname The directory name to be zipped.
90	* @return bool True on success, false on failure.
91	*
92	* @since 0.0.6
93	*
94	*/
95	function eos_pv_create_zip_pclzip( $destination, $zip_dirname ) {
96	if( file_exists( ABSPATH . 'wp-admin/includes/class-pclzip.php' ) ) {
97	require_once( ABSPATH . 'wp-admin/includes/class-pclzip.php' );
98	if( class_exists( 'PclZip' ) ) {
99	$files = eos_pv_get_files( $destination );
100	if( $files ) {
101	$zip = new PclZip( str_replace( '/.zip', '.zip', $destination . '.zip' ) );
102	if ( defined( 'PCLZIP_OPT_REMOVE_PATH' ) ) {
103	$zip_created = $zip->create( $files, PCLZIP_OPT_REMOVE_PATH, WP_PLUGIN_DIR );
104	if( 0 == $zip_created ) {
105	// If the zip creation fails, return false
106	return false;
107	}
108	return true;
109	}
110	}
111	}
112	return false;
113	}
114	}
115
116	/**
117	* This function retrieves all files from a given directory path, including subdirectories.
118	* It uses the RecursiveDirectoryIterator and RecursiveIteratorIterator classes to traverse the directory structure.
119	* The function returns an array of file paths, with backslashes replaced by forward slashes for consistency.
120	*
121	* @since 0.0.6
122	*/
123	function eos_pv_get_files( $path ) {
124	if( ! class_exists( 'RecursiveIteratorIterator' ) ) return false;
125	$files = new RecursiveIteratorIterator( new RecursiveDirectoryIterator( $path ), RecursiveIteratorIterator::LEAVES_ONLY );
126	$files_paths = array();
127	foreach ( $files as $name => $file ) {
128	if ( ! $file->isDir() ) {
129	$file_path = str_replace( '\\', '/', $file->getRealPath() );
130	$files_paths[] = $file_path;
131	}
132	}
133	return $files_paths;
134	}