1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497<?php
/*
Plugin Name: Equalify + UIC Network Utilities
Description: Scans content for PDF and Box.com links and exports CSV. Network-enabled.
Version: 1.7
Author: Blake Bertuccelli-Booth (UIC)
Network: true
*/
/**
* Add the network admin menu page for Equalify + UIC Utilities
*/
add_action('network_admin_menu', 'uic_equalify_add_network_admin_menu');
function uic_equalify_add_network_admin_menu()
{
add_menu_page(
'Equalify + UIC Utilities',
'Equalify + UIC Utilities',
'manage_network_options',
'uic-equalify-utilities',
'render_link_scanner_page'
);
}
// --- DB Table for scan results ---
register_activation_hook(__FILE__, 'uic_equalify_create_scan_results_table');
function uic_equalify_create_scan_results_table() {
global $wpdb;
$table_name = $wpdb->base_prefix . 'uic_equalify_scan_results';
$charset_collate = $wpdb->get_charset_collate();
require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
$sql = "CREATE TABLE $table_name (
id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
scan_id VARCHAR(64) NOT NULL,
timestamp DATETIME NOT NULL,
link_type VARCHAR(32) NOT NULL,
location_type VARCHAR(128) NOT NULL,
title TEXT,
link TEXT,
url TEXT,
PRIMARY KEY (id),
KEY scan_id (scan_id)
) $charset_collate;";
dbDelta($sql);
}
/**
* Render the main link scanner page in the network admin
*/
function render_link_scanner_page()
{
// Ensure this is accessed only from the Network Admin dashboard
if (!is_network_admin()) {
echo '<div class="notice notice-error"><p>This tool can only be used from the Network Admin dashboard.</p></div>';
return;
}
global $wpdb;
$table_name = $wpdb->base_prefix . 'uic_equalify_scan_results';
// --- CSV GENERATION BACKGROUND: handle csv generation request ---
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['generate_csv']) && check_admin_referer('generate_csv_' . $_POST['generate_csv'])) {
$scan_id = sanitize_text_field($_POST['generate_csv']);
if (!wp_next_scheduled('uic_generate_csv_event', [$scan_id])) {
wp_schedule_single_event(time(), 'uic_generate_csv_event', [$scan_id]);
echo '<div class="notice notice-info"><p>CSV generation scheduled. Refresh shortly to download.</p></div>';
}
}
// Handle CSV download (legacy, not used with new CSV file, but kept for backward compat)
if (isset($_GET['download_scan']) && isset($_GET['_wpnonce']) && wp_verify_nonce($_GET['_wpnonce'], 'download_scan_' . $_GET['download_scan'])) {
$scan_id = sanitize_text_field($_GET['download_scan']);
$rows = $wpdb->get_results($wpdb->prepare("SELECT * FROM $table_name WHERE scan_id = %s ORDER BY id ASC", $scan_id), ARRAY_A);
if ($rows) {
if (ob_get_length()) {
ob_end_clean();
}
header('Content-Type: text/csv');
header('Content-Disposition: attachment; filename="scan_' . $scan_id . '.csv"');
$out = fopen('php://output', 'w');
fputcsv($out, ['Link Type', 'Location Type', 'Title', 'Link', 'URL']);
foreach ($rows as $row) {
fputcsv($out, [$row['link_type'], $row['location_type'], $row['title'], $row['link'], $row['url']]);
}
fclose($out);
exit;
} else {
echo '<div class="notice notice-error"><p>No scan results found for this scan.</p></div>';
}
}
// Handle deletion of a scan
if (isset($_GET['delete_scan']) && isset($_GET['_wpnonce']) && wp_verify_nonce($_GET['_wpnonce'], 'delete_scan_' . $_GET['delete_scan'])) {
$scan_id = sanitize_text_field($_GET['delete_scan']);
$wpdb->delete($table_name, ['scan_id' => $scan_id]);
// Delete associated CSV file
$upload_dir = wp_upload_dir();
$csv_path = $upload_dir['basedir'] . "/scan_" . $scan_id . ".csv";
if (file_exists($csv_path)) {
unlink($csv_path);
}
echo '<div class="notice notice-success"><p>Scan deleted.</p></div>';
}
// Bulk delete all scans
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['delete_all_reports']) && check_admin_referer('bulk_report_action')) {
$wpdb->query("TRUNCATE TABLE $table_name");
echo '<div class="notice notice-success"><p>All scan results deleted.</p></div>';
}
// Handle scan scheduling
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
if (isset($_POST['trigger_all_scans']) && check_admin_referer('uic_trigger_all_scans')) {
uic_schedule_site_scans();
echo '<div class="notice notice-success"><p>Scheduled scans for all sites. Results will appear as each site completes.</p></div>';
}
}
// --- Begin: Scheduled scan detection and stop logic ---
$sites = uic_get_all_sites_cached();
$is_scan_scheduled = false;
foreach ($sites as $site) {
if (wp_next_scheduled('uic_scan_site_links_event', [$site->blog_id])) {
$is_scan_scheduled = true;
break;
}
}
if (isset($_POST['stop_all_scans']) && check_admin_referer('uic_stop_all_scans')) {
foreach ($sites as $site) {
$timestamp = wp_next_scheduled('uic_scan_site_links_event', [$site->blog_id]);
if ($timestamp) {
wp_unschedule_event($timestamp, 'uic_scan_site_links_event', [$site->blog_id]);
}
}
echo '<div class="notice notice-success"><p>All scheduled scans have been cancelled.</p></div>';
$is_scan_scheduled = false;
}
// --- End: Scheduled scan detection and stop logic ---
?>
<div class="wrap">
<h1>UIC + Equalify Utilities</h1>
<h3>Network Scan</h3>
<p>Scan all sites for PDF and Box links. This will schedule scans to run in the background.</p>
<?php if ($is_scan_scheduled): ?>
<div class="notice notice-info"><p>A full network scan is currently scheduled or in progress.</p></div>
<form method="post">
<?php wp_nonce_field('uic_stop_all_scans'); ?>
<input type="submit" name="stop_all_scans" class="button button-secondary" value="Stop Network Scan">
</form>
<?php else: ?>
<form method="post">
<?php wp_nonce_field('uic_trigger_all_scans'); ?>
<input type="submit" name="trigger_all_scans" class="button button-primary" value="Run Full Network Scan">
</form>
<?php endif; ?>
<h3>Scan Results</h3>
<?php
// List all unique scan_id and timestamp
$scans = $wpdb->get_results("SELECT scan_id, MIN(timestamp) as ts, COUNT(*) as count FROM $table_name GROUP BY scan_id ORDER BY ts DESC", ARRAY_A);
if ($scans): ?>
<table class="widefat fixed striped">
<thead>
<tr>
<th>Scan ID</th>
<th>Date</th>
<th>Results</th>
<th>Actions</th>
</tr>
</thead>
<tbody>
<?php foreach ($scans as $scan): ?>
<tr>
<td><?php echo esc_html($scan['scan_id']); ?></td>
<td><?php echo esc_html(date('Y-m-d H:i:s', strtotime($scan['ts']))); ?></td>
<td><?php echo intval($scan['count']); ?></td>
<td>
<?php
// CSV generation/download button logic
$upload_dir = wp_upload_dir();
$csv_path = $upload_dir['basedir'] . "/scan_" . $scan['scan_id'] . ".csv";
if (file_exists($csv_path)) {
$csv_url = $upload_dir['baseurl'] . "/scan_" . $scan['scan_id'] . ".csv";
echo '<a class="button button-small" href="' . esc_url($csv_url) . '">Download CSV</a> ';
} else {
echo '<form method="post" style="display:inline;">';
wp_nonce_field('generate_csv_' . $scan['scan_id']);
echo '<input type="hidden" name="generate_csv" value="' . esc_attr($scan['scan_id']) . '">';
echo '<input type="submit" class="button button-small" value="Generate CSV">';
echo '</form>';
}
?>
<a class="button button-small" href="<?php echo esc_url(wp_nonce_url(add_query_arg(['delete_scan' => $scan['scan_id']]), 'delete_scan_' . $scan['scan_id'])); ?>" onclick="return confirm('Delete this scan and all results?');">Delete</a>
</td>
</tr>
<?php endforeach; ?>
</tbody>
</table>
<form method="post" style="margin-top: 1em;">
<?php wp_nonce_field('bulk_report_action'); ?>
<input type="submit" name="delete_all_reports" class="button" value="Delete All Scans" onclick="return confirm('Are you sure you want to delete ALL scan results?');">
</form>
<?php else: ?>
<p>No scan results found.</p>
<?php endif; ?>
</div>
<?php
}
/**
* Cached wrapper for get_sites using the Transients API to avoid redundant calls.
*
* @return array
*/
function uic_get_all_sites_cached() {
$cached_sites = get_transient('uic_all_sites');
if ($cached_sites === false) {
$cached_sites = get_sites(['number' => 0]);
set_transient('uic_all_sites', $cached_sites, 5 * MINUTE_IN_SECONDS);
}
return $cached_sites;
}
/**
* Scan posts and menus for PDF and Box links and store results in DB.
*
* @return string scan_id
*/
function scan_links($scan_id = null)
{
global $wpdb;
$table_name = $wpdb->base_prefix . 'uic_equalify_scan_results';
if (!$scan_id) {
$scan_id = uniqid('scan_', true);
}
$timestamp = current_time('mysql');
$global_seen_links = [];
$batch_rows = [];
$batch_size = 100;
$post_types = get_post_types(['public' => true]);
foreach ($post_types as $type) {
$paged = 1;
$args = [
'post_type' => $type,
'post_status' => 'publish',
'posts_per_page' => 100,
'paged' => $paged,
'fields' => 'ids',
];
do {
$query = new WP_Query($args);
foreach ($query->posts as $post_id) {
$post = get_post($post_id);
$content = $post->post_content;
preg_match_all('/href=[\'"]([^\'"]+)[\'"]/i', $content, $matches);
foreach ($matches[1] as $link) {
$normalized = trim($link);
if (preg_match('/\.pdf(\?.*)?$/i', $normalized)) {
$link_type = 'PDF';
} elseif (strpos($normalized, 'box.com') !== false) {
$link_type = 'Box';
} else {
continue;
}
if (!isset($global_seen_links[$normalized])) {
$global_seen_links[$normalized] = true;
$row = [
'scan_id' => $scan_id,
'timestamp' => $timestamp,
'link_type' => $link_type,
'location_type' => ($obj = get_post_type_object($post->post_type)) ? $obj->labels->singular_name : ucfirst($post->post_type),
'title' => get_the_title($post),
'link' => $normalized,
'url' => get_permalink($post),
];
$batch_rows[] = $row;
if (count($batch_rows) >= $batch_size) {
$values = [];
$placeholders = [];
foreach ($batch_rows as $b_row) {
$values = array_merge($values, array_values($b_row));
$placeholders[] = '(' . implode(',', array_fill(0, count($b_row), '%s')) . ')';
}
$sql = "INSERT INTO $table_name (scan_id, timestamp, link_type, location_type, title, link, url) VALUES " . implode(',', $placeholders);
$wpdb->query($wpdb->prepare($sql, ...$values));
$batch_rows = [];
}
}
}
// Check ACF fields for matching links
if (function_exists('get_fields')) {
$post_fields = wp_cache_get($post->ID, 'uic_acf_fields');
if ($post_fields === false) {
$post_fields = get_fields($post->ID);
wp_cache_set($post->ID, $post_fields, 'uic_acf_fields');
}
$fields = $post_fields;
if ($fields && is_array($fields)) {
foreach ($fields as $field_key => $field_value) {
if (is_string($field_value)) {
preg_match_all('/https?:\/\/[^\s"\']+/i', $field_value, $acf_matches);
foreach ($acf_matches[0] as $link) {
$normalized = trim($link);
if (preg_match('/\.pdf(\?.*)?$/i', $normalized)) {
$link_type = 'PDF';
} elseif (strpos($normalized, 'box.com') !== false) {
$link_type = 'Box';
} else {
continue;
}
if (!isset($global_seen_links[$normalized])) {
$global_seen_links[$normalized] = true;
$row = [
'scan_id' => $scan_id,
'timestamp' => $timestamp,
'link_type' => $link_type,
'location_type' => ($obj = get_post_type_object($post->post_type)) ? $obj->labels->singular_name . ' (ACF Field)' : ucfirst($post->post_type) . ' (ACF Field)',
'title' => get_the_title($post) . " (Field: $field_key)",
'link' => $normalized,
'url' => get_permalink($post),
];
$batch_rows[] = $row;
if (count($batch_rows) >= $batch_size) {
$values = [];
$placeholders = [];
foreach ($batch_rows as $b_row) {
$values = array_merge($values, array_values($b_row));
$placeholders[] = '(' . implode(',', array_fill(0, count($b_row), '%s')) . ')';
}
$sql = "INSERT INTO $table_name (scan_id, timestamp, link_type, location_type, title, link, url) VALUES " . implode(',', $placeholders);
$wpdb->query($wpdb->prepare($sql, ...$values));
$batch_rows = [];
}
}
}
}
}
}
}
}
$paged++;
$args['paged'] = $paged;
} while ($query->have_posts());
wp_reset_postdata();
}
// Insert any remaining batch rows for posts/ACF
if (!empty($batch_rows)) {
$values = [];
$placeholders = [];
foreach ($batch_rows as $b_row) {
$values = array_merge($values, array_values($b_row));
$placeholders[] = '(' . implode(',', array_fill(0, count($b_row), '%s')) . ')';
}
$sql = "INSERT INTO $table_name (scan_id, timestamp, link_type, location_type, title, link, url) VALUES " . implode(',', $placeholders);
$wpdb->query($wpdb->prepare($sql, ...$values));
$batch_rows = [];
}
// Menu scan
$menus = wp_get_nav_menus();
$seen_links = [];
$batch_rows = [];
foreach ($menus as $menu) {
$items = wp_get_nav_menu_items($menu);
if (!empty($items)) {
foreach ($items as $item) {
$link = $item->url;
$normalized = trim($link);
if (preg_match('/\.pdf(\?.*)?$/i', $normalized)) {
$link_type = 'PDF';
} elseif (strpos($normalized, 'box.com') !== false) {
$link_type = 'Box';
} else {
continue;
}
if (!isset($seen_links[$normalized])) {
$seen_links[$normalized] = true;
$row = [
'scan_id' => $scan_id,
'timestamp' => $timestamp,
'link_type' => $link_type,
'location_type' => 'Menu',
'title' => $item->title,
'link' => $normalized,
'url' => '',
];
$batch_rows[] = $row;
if (count($batch_rows) >= 100) {
$values = [];
$placeholders = [];
foreach ($batch_rows as $b_row) {
$values = array_merge($values, array_values($b_row));
$placeholders[] = '(' . implode(',', array_fill(0, count($b_row), '%s')) . ')';
}
$sql = "INSERT INTO $table_name (scan_id, timestamp, link_type, location_type, title, link, url) VALUES " . implode(',', $placeholders);
$wpdb->query($wpdb->prepare($sql, ...$values));
$batch_rows = [];
}
}
}
}
}
// Insert any remaining menu batch rows
if (!empty($batch_rows)) {
$values = [];
$placeholders = [];
foreach ($batch_rows as $b_row) {
$values = array_merge($values, array_values($b_row));
$placeholders[] = '(' . implode(',', array_fill(0, count($b_row), '%s')) . ')';
}
$sql = "INSERT INTO $table_name (scan_id, timestamp, link_type, location_type, title, link, url) VALUES " . implode(',', $placeholders);
$wpdb->query($wpdb->prepare($sql, ...$values));
}
return $scan_id;
}
/**
* Remove the plugin menu and hide plugin from subsite plugin lists
* This prevents activation or usage on subsites
*/
if (!is_network_admin()) {
add_action('admin_menu', 'uic_equalify_remove_subsite_menu');
add_filter('all_plugins', 'uic_equalify_hide_plugin_on_subsites');
}
/**
* Remove the plugin menu page on subsites
*/
function uic_equalify_remove_subsite_menu()
{
remove_menu_page('uic-equalify-utilities');
}
/**
* Hide this plugin from plugin list on subsites
*
* @param array $plugins
* @return array
*/
function uic_equalify_hide_plugin_on_subsites($plugins)
{
if (!is_network_admin()) {
$plugin_file = plugin_basename(__FILE__);
if (isset($plugins[$plugin_file])) {
unset($plugins[$plugin_file]);
}
}
return $plugins;
}
// Schedule scans for all sites, assigning a shared scan ID
function uic_schedule_site_scans() {
$sites = uic_get_all_sites_cached();
$shared_scan_id = uniqid('scan_', true);
update_site_option('uic_equalify_current_scan_id', $shared_scan_id);
foreach ($sites as $site) {
if (!wp_next_scheduled('uic_scan_site_links_event', [$site->blog_id])) {
wp_schedule_single_event(time() + rand(0, 300), 'uic_scan_site_links_event', [$site->blog_id]);
}
}
}
add_action('uic_scan_site_links_event', 'uic_handle_site_scan');
function uic_handle_site_scan($site_id) {
switch_to_blog($site_id);
$scan_id = get_site_option('uic_equalify_current_scan_id');
scan_links($scan_id);
restore_current_blog();
}
// -- CSV generation event for scan results --
add_action('uic_generate_csv_event', 'uic_generate_csv_for_scan');
function uic_generate_csv_for_scan($scan_id) {
global $wpdb;
$table_name = $wpdb->base_prefix . 'uic_equalify_scan_results';
$upload_dir = wp_upload_dir();
$csv_path = $upload_dir['basedir'] . "/scan_$scan_id.csv";
$out = fopen($csv_path, 'w');
fputcsv($out, ['Link Type', 'Location Type', 'Title', 'Link', 'URL']);
$offset = 0;
$limit = 500;
while (true) {
$rows = $wpdb->get_results(
$wpdb->prepare("SELECT * FROM $table_name WHERE scan_id = %s ORDER BY id ASC LIMIT %d OFFSET %d", $scan_id, $limit, $offset),
ARRAY_A
);
if (empty($rows)) break;
foreach ($rows as $row) {
fputcsv($out, [$row['link_type'], $row['location_type'], $row['title'], $row['link'], $row['url']]);
}
$offset += $limit;
}
fclose($out);
}