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PlugVersions – Easily roll back to previous versions of your plugins. / 0.3.0
PlugVersions – Easily roll back to previous versions of your plugins. v0.3.0
0.3.0 0.0.6.RC-1 0.0.7 0.0.8 0.1.0 0.2.0 0.2.1 trunk 0.0.1 0.0.2 0.0.3 0.0.4 0.0.5 0.0.6
plugversions / admin / pr-admin.php

pr-admin.php in PlugVersions – Easily roll back to previous versions of your plugins. 0.3.0, at admin/pr-admin.php

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1 <?php
2 /**
3 * It includes the code for the backend.
4
5 * @package Plugversions
6 */
7 defined( 'PLUGIN_REVISIONS_PLUGIN_DIR' ) || exit; // Exit if not accessed from Plugversions.
8
9 if( wp_doing_ajax() ){
10 //* Include the Ajax admin file.
11 require_once PLUGIN_REVISIONS_PLUGIN_DIR . '/admin/pr-ajax-admin.php';
12 }
13
14 register_activation_hook( __FILE__, function() {
15 /**
16 * Actions triggered after plugin activation or after a new site of a multisite installation is created
17 *
18 * @since 0.0.1
19 */
20 if( ! eos_plugin_revision_key() ){
21 update_site_option( 'plugin_revisions',array( 'time' => time() ) );
22 }
23 } );
24
25 add_action( 'admin_head',function(){
26 /**
27 * Add style to properly show the revisions on the page of plugins
28 *
29 * @since 0.0.1
30 */
31 global $pagenow;
32 if( $pagenow && 'plugins.php' === sanitize_text_field( $pagenow ) ){
33 ?>
34 <style id="plugin-revisions-css" type="text/css">
35 .plugin-revision-wrp{
36 position:relative
37 }
38 .plugin-revisions-vers{
39 display:none;
40 position:absolute;
41 <?php echo is_rtl() ? 'right' : 'left'; ?>:0;
42 top:0
43 }
44 .plugin-revision-wrp:hover .plugin-revisions-vers{
45 display:block;
46 min-width:200px;
47 min-width:max-content;
48 background:#fff;
49 margin-top:15px;
50 padding:10px 10px;
51 z-index:9
52 }
53 .plugin-revision-wrp:hover .plugin-revisions-vers a{
54 display:block;
55 border-bottom:1px dashed;
56 margin-bottom:5px;
57 background-image:url(<?php echo esc_url( PLUGIN_REVISIONS_PLUGIN_URL ); ?>/admin/assets/images/ajax-loader.gif );
58 background-position:-9999px -9999px;
59 background-repeat:no-repeat;
60 background-size:16px 16px
61 }
62 </style>
63 <?php
64 }
65 } );
66
67 add_action( 'admin_footer',function(){
68 /**
69 * Add JS to restore a revision via Ajax
70 * This script is added to the plugins.php and plugin-editor.php pages.
71 *
72 * @since 0.0.1
73 */
74 global $pagenow;
75 if( $pagenow && 'plugins.php' === sanitize_text_field( $pagenow ) ){
76 wp_nonce_field( 'plugin_reviews_restore_version','plugin_reviews_restore_version' );
77 ?>
78 <style id="plugin-revisions-js-css" type="text/css">
79 .plugin-revision-processing{position:relative;cursor:wait;}
80 .plugin-revision-processing:after{
81 content:' ';
82 position:absolute;
83 top:50%;
84 left:50%;
85 transform:translate(-50%,-50%);
86 background-color:rgba(255,255,255,0.8);
87 border-radius:50%;
88 box-shadow:0 0 5px rgba(0,0,0,0.2);
89 z-index:9999;
90 background-size:16px 16px;
91 background-image:url(<?php echo esc_url( PLUGIN_REVISIONS_PLUGIN_URL ); ?>/admin/assets/images/ajax-loader.gif );
92 background-position:center center;
93 background-repeat:no-repeat;
94 width:16px;
95 height:16px;
96 display:block;
97 opacity:1
98 }
99 </style>
100 <script id="plugin-revisions-js">
101 function eos_plugin_revisions(){
102 var as = document.getElementsByClassName('plugin-revision-action'),n=0,req = new XMLHttpRequest(),fd=new FormData(),nonce=document.getElementById('plugin_reviews_restore_version').value;
103 for(n;n<as.length;++n){
104 as[n].addEventListener('click',function(e){
105 e.preventDefault();
106 this.closest('td').classList.add('plugin-revision-processing');
107 this.style.backgroundPosition = 'center center';
108 for(var k=0;k<as.length;++k){
109 as[k].style.pointerEvents = 'none';
110 }
111 fd.append("dir",this.dataset.dir);
112 fd.append("parent_plugin",this.dataset.parent_plugin);
113 fd.append("nonce",nonce);
114 req.open("POST","<?php echo esc_js( admin_url( 'admin-ajax.php' ) ); ?>" + '?action=eos_plugin_reviews_restore_version',true);
115 req.send(fd);
116 return false;
117 });
118 }
119 req.onload = function(e) {
120 for(n;n<as.length;++n){
121 as[n].style.backgroundPosition = '-9999px -9999px';
122 }
123 if(this.readyState === 4) {
124 window.location.reload();
125 }
126 else{
127 alert('Something went wrong!');
128 }
129 return false;
130 };
131 return false;
132 }
133 eos_plugin_revisions();
134 </script>
135 <?php
136 }
137 if( $pagenow && 'plugin-editor.php' === sanitize_text_field( $pagenow ) ){
138 $key = eos_plugin_revision_key();
139 ?>
140 <script id="plugin-revisions-file-editor-js">
141 function eos_plugin_revisions_fild_editor(){
142 var os=document.getElementById('plugin').getElementsByTagName('option'),n=0,ver='';
143 for(n;n<os.length;++n){
144 if(os[n].value.indexOf("<?php echo esc_js( $key ); ?>") > 0){
145 os[n].innerHTML += ' ' + os[n].value.split('-ver-')[0].split('-')[2];
146 }
147 }
148 }
149 eos_plugin_revisions_fild_editor();
150 </script>
151 <?php
152 }
153 } );
154
155 /**
156 * Remove all plugin revisions
157 * This function removes all revisions of a specific plugin or all plugins if no plugin name is provided.
158 *
159 * @since 0.0.1
160 */
161 function eos_plugin_revisions_remove_versions( $N = false,$plugin_name = false ){
162 $key = eos_plugin_revision_key();
163 $all_dirs = eos_plugin_revisions_scandir( dirname( PLUGIN_REVISIONS_PLUGIN_DIR ) );
164 $prefix = 'pr-'.$key.'-';
165 $suffix = '-ver-'.$plugin_name.'.zip';
166 global $wp_filesystem;
167 if( empty( $wp_filesystem ) ){
168 require_once ABSPATH . 'wp-admin/includes/file.php';
169 WP_Filesystem();
170 }
171 if( $all_dirs && !empty( $all_dirs ) ){
172 foreach( $all_dirs as $all_dir ){
173 if( 0 !== strpos( $all_dir,$prefix ) || substr( $all_dir,-strlen( $suffix ) ) !== $suffix ){
174 unset( $all_dirs[array_search( $all_dir,$all_dirs )] );
175 }
176 }
177 $n = 0;
178 foreach( $all_dirs as $dir ){
179 if( false !== strpos( $dir,'pr-'.$key.'-' ) ){
180 if( $N && $n < ( count( $all_dirs ) - absint( $N ) ) ){
181 $result = $wp_filesystem->delete( dirname( PLUGIN_REVISIONS_PLUGIN_DIR ).'/'.$dir,true );
182 }
183 }
184 ++$n;
185 }
186 }
187 }
188
189 /**
190 * Remove all revisions of all the plugins
191 *
192 * @since 0.0.1
193 */
194 function eos_plugin_revisions_remove_all_versions(){
195 $key = eos_plugin_revision_key();
196 $all_dirs = eos_plugin_revisions_scandir( dirname( PLUGIN_REVISIONS_PLUGIN_DIR ) );
197 global $wp_filesystem;
198 if( empty( $wp_filesystem ) ){
199 require_once ABSPATH . 'wp-admin/includes/file.php';
200 WP_Filesystem();
201 }
202 if( $all_dirs && !empty( $all_dirs ) ){
203 foreach( $all_dirs as $dir ){
204 if( false !== strpos( $dir,'pr-'.$key.'-' ) ){
205 $result = $wp_filesystem->delete( dirname( PLUGIN_REVISIONS_PLUGIN_DIR ).'/'.$dir,true );
206 }
207 }
208 }
209 }
210
211 /**
212 * Revisions scandir
213 * This function scans the plugin revisions directory and returns an array of files sorted by modification time.
214 *
215 * @since 0.0.1
216 */
217 function eos_plugin_revisions_scandir( $dir ) {
218 $ignored = array('.', '..', '.svn', '.htaccess');
219 $files = array();
220 foreach( scandir( $dir ) as $file ){
221 if( in_array( $file,$ignored ) ) continue;
222 $files[$file] = filemtime( $dir.'/'.$file );
223 }
224 asort( $files );
225 $files = array_keys( $files );
226 return ( $files ) ? $files : false;
227 }
228
229 add_action( 'admin_init', 'eos_pv_restore_revision_links' );
230 /**
231 * Add links to restore previous revisions from zipped plugins.
232 * This function initializes the restoring link functionality for plugin revisions.
233 *
234 * @since 0.0.6
235 */
236 function eos_pv_restore_revision_links() {
237 require_once PLUGIN_REVISIONS_PLUGIN_DIR . '/admin/classes/class-plugversions-restoring-link.php';
238 $link = new PlugVersions_Restoring_Link();
239 }
240
241
242 /**
243 * Backup the plugin before update.
244 * This filter allows you to catch all possible update scenarios, including bulk and manual replacements, as well as Ajax updates.
245 *
246 * @param string $source Plugin source path.
247 * @param string $remote_source Plugin remote source path.
248 * @param object $upgrader Upgrader object.
249 * @param array $hook_extra Hook extra data.
250 * @return string
251 *
252 * @author Vincenzo Casu.
253 */
254 function eos_plugin_unversal_backup( $source, $remote_source, $upgrader, $hook_extra ) {
255 // Load get_plugin_data() if not exists.
256 if ( ! function_exists( 'get_plugin_data' ) ) {
257 require_once ABSPATH . 'wp-admin/includes/plugin.php';
258 }
259
260 // Get plugins to backup.
261 $plugins_to_backup = array();
262
263 if ( ! empty( $hook_extra['plugins'] ) && is_array( $hook_extra['plugins'] ) ) {
264 // Bulk update (hook_extra['plugins']).
265 $plugins_to_backup = $hook_extra['plugins'];
266 } elseif ( ! empty( $hook_extra['plugin'] ) ) {
267 // Single AJAX update (hook_extra['plugin']).
268 $plugins_to_backup = array( $hook_extra['plugin'] );
269 } elseif ( ! empty( $hook_extra['type'] ) && $hook_extra['type'] === 'plugin'
270 && ! empty( $hook_extra['action'] )
271 && in_array( $hook_extra['action'], array( 'update', 'install' ), true ) ) {
272 // Fallback “replace from ZIP” or other plugin-based cases.
273
274 // Get slug from source.
275 $slug = basename( $source );
276 $all = get_plugins( '/' . $slug );
277
278 if ( ! empty( $all ) ) {
279 $main_file = key( $all );
280 $plugins_to_backup[] = $slug . '/' . $main_file;
281 } else {
282 // If no plugins found, return the source.
283 return $source;
284 }
285 } else {
286 // No plugins to backup.
287 return $source;
288 }
289
290 // Preparing Filesystem & Upgrader.
291 if ( ! class_exists( 'WP_Upgrader' ) ) {
292 require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
293 }
294
295 global $wp_filesystem;
296 if ( empty( $wp_filesystem ) ) {
297 require_once ABSPATH . 'wp-admin/includes/file.php';
298 WP_Filesystem();
299 }
300
301 $key = eos_plugin_revision_key();
302 if ( ! $key ) {
303 return $source;
304 }
305 foreach ( $plugins_to_backup as $plugin_file ) {
306 $plugin_dir = WP_PLUGIN_DIR . '/' . dirname( $plugin_file );
307 $full_path = WP_PLUGIN_DIR . '/' . $plugin_file;
308 if ( ! file_exists( $full_path ) ) {
309 continue;
310 }
311
312 // Metadata & version.
313 $plugin_data = get_plugin_data( $full_path );
314 $version = $plugin_data['Version'];
315 $slug = dirname( $plugin_file );
316 $zip_dirname = 'pr-' . $key . '-' . sanitize_option( 'upload_path', $version ) . '-ver-' . $slug;
317
318 // Base dir & Backup destination.
319 $base_dir = plugin_dir_path( $full_path );
320 $backup_dir = trailingslashit( str_replace( $slug, $zip_dirname, $base_dir ) );
321 // Make Backup dir and move plugin files into it.
322 if ( ! $wp_filesystem->is_dir( $backup_dir ) ) {
323 $wp_filesystem->mkdir( $backup_dir );
324 }
325 if ( $wp_filesystem->is_dir( $backup_dir ) ) {
326 copy_dir( $plugin_dir, $backup_dir );
327 $zip_file = $zip_dirname . '.zip';
328 // Create a zip file of the plugin.
329
330 if ( eos_pv_create_zip_pclzip( $backup_dir, $zip_file ) ) {
331 $wp_filesystem->delete( untrailingslashit( $backup_dir ), true );
332 }
333
334 // Remove old versions of the plugin.
335 eos_plugin_revisions_remove_versions(
336 apply_filters( 'max_plugin_revisions', 4 ),
337 $slug
338 );
339 }
340 }
341
342 return $source;
343 }
344 add_filter( 'upgrader_source_selection', 'eos_plugin_unversal_backup', 10, 4 );
345
346 /**
347 * Rollback WordPress core to a specific version.
348 * This function allows you to rollback the WordPress core to a specified version.
349 * It downloads the specified version, unzips it, and replaces the current core files,
350 * while preserving the wp-content directory and wp-config.php file.
351 *
352 * @param string $version The version of WordPress to rollback to. Default is '6.4.3'.
353 * @return bool|WP_Error Returns true on success or WP_Error on failure.
354 *
355 * @since 1.0.0
356 */
357 function eos_pv_rollback_wordpress_core($version) {
358 if ( ! current_user_can('update_core') ) {
359 wp_die( esc_html__( 'You are not allowed to update the core.', 'plugversions' ) );
360 }
361
362 require_once ABSPATH . 'wp-admin/includes/file.php';
363 require_once ABSPATH . 'wp-admin/includes/misc.php';
364 require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
365 require_once ABSPATH . 'wp-admin/includes/update.php';
366
367 WP_Filesystem();
368 global $wp_filesystem;
369
370 // Put site in maintenance mode
371 $maintenance_string = '<?php $upgrading = ' . time() . '; ?>';
372 $wp_filesystem->put_contents(ABSPATH . '.maintenance', $maintenance_string, FS_CHMOD_FILE);
373
374 // Download WordPress version zip
375 $zip_url = "https://wordpress.org/wordpress-{$version}.zip";
376 $tmp_file = download_url($zip_url);
377
378 if ( is_wp_error($tmp_file) ) {
379 $wp_filesystem->delete(ABSPATH . '.maintenance');
380 return new WP_Error('download_failed', 'Failed to download WordPress version.');
381 }
382
383 // Unzip into temp folder
384 $unzip_dir = WP_TEMP_DIR . "wordpress-rollback-{$version}";
385 $result = unzip_file($tmp_file, $unzip_dir);
386 unlink($tmp_file); // Remove zip file
387
388 if ( is_wp_error($result) ) {
389 $wp_filesystem->delete(ABSPATH . '.maintenance');
390 return $result;
391 }
392
393 // Copy files from the unzipped wordpress/ directory
394 $source = trailingslashit($unzip_dir) . 'wordpress';
395 $dest = ABSPATH;
396
397 $items = $wp_filesystem->dirlist($source);
398 foreach ($items as $item => $details) {
399 if ($item === 'wp-content' || $item === 'wp-config.php') {
400 continue; // Skip user files
401 }
402 $source_path = trailingslashit($source) . $item;
403 $dest_path = trailingslashit($dest) . $item;
404
405 // Remove existing file or folder
406 if ($wp_filesystem->exists($dest_path)) {
407 $wp_filesystem->delete($dest_path, true);
408 }
409
410 // Copy new one
411 $wp_filesystem->copy($source_path, $dest_path, true, FS_CHMOD_FILE);
412 }
413
414 // Cleanup
415 $wp_filesystem->delete($unzip_dir, true);
416 $wp_filesystem->delete(ABSPATH . '.maintenance');
417
418 return true;
419 }
420
421 add_action('admin_init', function() {
422 /**
423 * Handle rollback request for WordPress core.
424 * This function checks if the user has permission to update the core,
425 * verifies the nonce, and processes the rollback request.
426 *
427 * @since 1.0.0
428 */
429
430 if (isset($_GET['rollback_wp']) && current_user_can('update_core') && check_admin_referer('eos_pv_core_rollback_nonce')) {
431 $version = sanitize_text_field($_GET['rollback_wp']);
432 // Validate version format
433 // Example: 6.4.3
434 // Ensure it matches the expected format of major.minor.patch
435 // This regex checks for three groups of digits separated by dots.
436 if (!preg_match('/^\d+\.\d+\.\d+$/', $version)) {
437 wp_die(esc_html__('Invalid version format.', 'plugversions'));
438 }
439
440 // Perform the rollback
441 $result = eos_pv_rollback_wordpress_core( $version );
442 if (is_wp_error($result)) {
443 echo 'Error: ' . $result->get_error_message();
444 } else {
445 esc_html_e( 'Rollback completed. Please manually check your site.', 'plugversions' );
446 }
447 exit;
448 }
449 });
450
451 add_action('upgrader_process_complete', function ($upgrader, $hook_extra) {
452 /**
453 * Save the current WordPress core version after an update.
454 * This function saves the current WordPress version to an option after a core update.
455 * It prevents duplicates and limits the saved versions to the last 3.
456 *
457 * @param WP_Upgrader $upgrader The upgrader instance.
458 * @param array $hook_extra Extra data passed to the hook.
459 *
460 * @since 1.0.0
461 */
462
463 // Check if this is a core update
464 if ( ! is_a( $upgrader, 'Core_Upgrader' ) || ! isset( $hook_extra['type'], $hook_extra['action'] ) ) {
465 return;
466 }
467
468 // Check if the action is an update
469 // and the type is core.
470 // This ensures that we only save versions after a core update.
471 if (
472 isset($hook_extra['type'], $hook_extra['action']) &&
473 $hook_extra['type'] === 'core' &&
474 $hook_extra['action'] === 'update'
475 ) {
476 $current_version = get_bloginfo('version');
477 $option_name = 'eos_pv_core_versions';
478
479 // Get existing saved versions
480 $saved_versions = get_option($option_name, []);
481
482 // Prevent duplicates
483 if (!in_array($current_version, $saved_versions, true)) {
484 array_unshift($saved_versions, $current_version); // Add to beginning
485 }
486
487 // Optional: limit to last 3 versions
488 $saved_versions = array_slice($saved_versions, 0, 3);
489
490 update_option($option_name, $saved_versions);
491 }
492 }, 10, 2);
493
494 add_action('admin_notices', function () {
495 return; // Disable admin notices for now, as the core rollback functionality is still not ready.
496 /**
497 * Display rollback notice on the update-core page.
498 * This function displays a notice with a dropdown to select a previous WordPress core version
499 * for rollback, if available.
500 *
501 * @since 1.0.0
502 */
503
504 // Only show on the update-core screen
505
506 if (get_current_screen()->id !== 'update-core') return;
507
508 $versions = get_option('eos_pv_core_versions', []); // Get saved versions
509 // Ensure versions are unique and sorted
510 $versions = array_unique($versions);
511 sort($versions);
512
513 // If no versions are available, do not display the notice
514 if (empty($versions)) return;
515
516 ?>
517 <div class="notice notice-info">
518 <form method="post" action="<?php echo esc_url(admin_url('admin-post.php')); ?>">
519 <h3><?php esc_html_e( 'Rollback WordPress Core', 'plugversions' ); ?></h3>
520 <p><?php esc_html_e( 'Select a previously stored version to roll back to:', 'plugversions' ); ?></p>
521 <select name="eos_pv_version_to_rollback">
522 <?php foreach ($versions as $version): ?>
523 <option value="<?php echo esc_attr($version); ?>">
524 <?php echo esc_html($version); ?>
525 </option>
526 <?php endforeach; ?>
527 </select>
528 <?php wp_nonce_field('eos_pv_rollback_wp_core', 'eos_pv_nonce'); ?>
529 <input type="hidden" name="action" value="eos_pv_rollback_core">
530 <button type="submit" class="button button-primary"><?php esc_html_e( 'Rollback', 'plugversions' ); ?></button>
531 </form>
532 </div>
533 <?php
534 });
535
536 add_filter( 'plugin_action_links_plugversions/plugversions.php', function( $links ) {
537 /**
538 * Add plugin action link for Annual Protection Plan.
539 *
540 * @param array $links Array of plugin action links
541 * @return array Modified array of plugin action links
542 */
543 $plan_link = '<a href="https://shop.josemortellaro.com/downloads/plugin-update-rescue-annual-protection-plan/" style="color: #d63638; font-weight: bold;">' . esc_html__( 'Protection Plan', 'plugversions' ) . '</a>';
544 // Add to the beginning of the links array
545 array_unshift( $links, $plan_link );
546 return $links;
547 } );