<?php

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/**

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* The admin settings handler of the plugin.

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*

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*

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* @since 1.1.0

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* @package LiteSpeed

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* @subpackage LiteSpeed/src

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* @author LiteSpeed Technologies <info@litespeedtech.com>

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*/

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namespace LiteSpeed;

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defined('WPINC') || exit();

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class Admin_Settings extends Base

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{

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const ENROLL = '_settings-enroll';

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/**

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* Save settings

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*

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* Both $_POST and CLI can use this way

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*

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* Import will directly call conf.cls

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*

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* @since 3.0

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* @access public

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*/

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public function save($raw_data)

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{

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Debug2::debug('[Settings] saving');

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if (empty($raw_data[self::ENROLL])) {

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exit('No fields');

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}

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$raw_data = Admin::cleanup_text($raw_data);

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// Convert data to config format

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$the_matrix = array();

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foreach (array_unique($raw_data[self::ENROLL]) as $id) {

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$child = false;

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// Drop array format

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if (strpos($id, '[') !== false) {

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if (strpos($id, self::O_CDN_MAPPING) === 0 || strpos($id, self::O_CRAWLER_COOKIES) === 0) {

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// CDN child | Cookie Crawler settings

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$child = substr($id, strpos($id, '[') + 1, strpos($id, ']') - strpos($id, '[') - 1);

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$id = substr($id, 0, strpos($id, '[')); // Drop ending []; Compatible with xx[0] way from CLI

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} else {

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$id = substr($id, 0, strpos($id, '[')); // Drop ending []

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}

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}

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if (!array_key_exists($id, self::$_default_options)) {

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continue;

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}

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// Validate $child

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if ($id == self::O_CDN_MAPPING) {

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if (!in_array($child, array(self::CDN_MAPPING_URL, self::CDN_MAPPING_INC_IMG, self::CDN_MAPPING_INC_CSS, self::CDN_MAPPING_INC_JS, self::CDN_MAPPING_FILETYPE))) {

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continue;

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}

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}

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if ($id == self::O_CRAWLER_COOKIES) {

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if (!in_array($child, array(self::CRWL_COOKIE_NAME, self::CRWL_COOKIE_VALS))) {

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continue;

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}

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}

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$data = false;

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if ($child) {

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$data = !empty($raw_data[$id][$child]) ? $raw_data[$id][$child] : false; // []=xxx or [0]=xxx

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} else {

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$data = !empty($raw_data[$id]) ? $raw_data[$id] : false;

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}

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/**

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* Sanitize the value

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*/

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if ($id == self::O_CDN_MAPPING || $id == self::O_CRAWLER_COOKIES) {

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// Use existing in queue data if existed (Only available when $child != false)

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$data2 = array_key_exists($id, $the_matrix) ? $the_matrix[$id] : (defined('WP_CLI') && WP_CLI ? $this->conf($id) : array());

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}

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switch ($id) {

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case self::O_CDN_MAPPING:

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/**

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* CDN setting

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*

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* Raw data format:

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* cdn-mapping[url][] = 'xxx'

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* cdn-mapping[url][2] = 'xxx2'

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* cdn-mapping[inc_js][] = 1

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*

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* Final format:

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* cdn-mapping[ 0 ][ url ] = 'xxx'

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* cdn-mapping[ 2 ][ url ] = 'xxx2'

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*/

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if ($data) {

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foreach ($data as $k => $v) {

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if ($child == self::CDN_MAPPING_FILETYPE) {

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$v = Utility::sanitize_lines($v);

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}

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if ($child == self::CDN_MAPPING_URL) {

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# If not a valid URL, turn off CDN

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if (strpos($v, 'https://') !== 0) {

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self::debug('❌ CDN mapping set to OFF due to invalid URL');

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$the_matrix[self::O_CDN] = false;

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}

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$v = trailingslashit($v);

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}

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if (in_array($child, array(self::CDN_MAPPING_INC_IMG, self::CDN_MAPPING_INC_CSS, self::CDN_MAPPING_INC_JS))) {

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// Because these can't be auto detected in `config->update()`, need to format here

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$v = $v === 'false' ? 0 : (bool) $v;

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}

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if (empty($data2[$k])) {

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$data2[$k] = array();

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}

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$data2[$k][$child] = $v;

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}

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}

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$data = $data2;

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break;

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case self::O_CRAWLER_COOKIES:

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/**

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* Cookie Crawler setting

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* Raw Format:

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* crawler-cookies[name][] = xxx

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* crawler-cookies[name][2] = xxx2

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* crawler-cookies[vals][] = xxx

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*

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* todo: need to allow null for values

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*

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* Final format:

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* crawler-cookie[ 0 ][ name ] = 'xxx'

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* crawler-cookie[ 0 ][ vals ] = 'xxx'

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* crawler-cookie[ 2 ][ name ] = 'xxx2'

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*

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* empty line for `vals` use literal `_null`

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*/

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if ($data) {

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foreach ($data as $k => $v) {

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if ($child == self::CRWL_COOKIE_VALS) {

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$v = Utility::sanitize_lines($v);

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}

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if (empty($data2[$k])) {

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$data2[$k] = array();

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}

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$data2[$k][$child] = $v;

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}

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}

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$data = $data2;

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break;

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// Cache exclude cat

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case self::O_CACHE_EXC_CAT:

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$data2 = array();

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$data = Utility::sanitize_lines($data);

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foreach ($data as $v) {

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$cat_id = get_cat_ID($v);

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if (!$cat_id) {

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continue;

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}

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$data2[] = $cat_id;

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}

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$data = $data2;

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break;

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// Cache exclude tag

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case self::O_CACHE_EXC_TAG:

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$data2 = array();

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$data = Utility::sanitize_lines($data);

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foreach ($data as $v) {

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$term = get_term_by('name', $v, 'post_tag');

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if (!$term) {

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// todo: can show the error in admin error msg

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continue;

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}

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$data2[] = $term->term_id;

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}

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$data = $data2;

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break;

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default:

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break;

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}

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$the_matrix[$id] = $data;

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}

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// Special handler for CDN/Crawler 2d list to drop empty rows

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foreach ($the_matrix as $id => $data) {

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/**

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* cdn-mapping[ 0 ][ url ] = 'xxx'

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* cdn-mapping[ 2 ][ url ] = 'xxx2'

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*

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* crawler-cookie[ 0 ][ name ] = 'xxx'

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* crawler-cookie[ 0 ][ vals ] = 'xxx'

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* crawler-cookie[ 2 ][ name ] = 'xxx2'

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*/

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if ($id == self::O_CDN_MAPPING || $id == self::O_CRAWLER_COOKIES) {

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// Drop this line if all children elements are empty

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foreach ($data as $k => $v) {

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foreach ($v as $v2) {

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if ($v2) {

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continue 2;

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}

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}

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// If hit here, means all empty

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unset($the_matrix[$id][$k]);

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}

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}

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// Don't allow repeated cookie name

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if ($id == self::O_CRAWLER_COOKIES) {

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$existed = array();

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foreach ($the_matrix[$id] as $k => $v) {

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if (!$v[self::CRWL_COOKIE_NAME] || in_array($v[self::CRWL_COOKIE_NAME], $existed)) {

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// Filter repeated or empty name

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unset($the_matrix[$id][$k]);

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continue;

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}

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$existed[] = $v[self::CRWL_COOKIE_NAME];

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}

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}

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// CDN mapping allow URL values repeated

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// if ( $id == self::O_CDN_MAPPING ) {}

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// tmp fix the 3rd part woo update hook issue when enabling vary cookie

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if ($id == 'wc_cart_vary') {

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if ($data) {

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add_filter('litespeed_vary_cookies', function ($list) {

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$list[] = 'woocommerce_cart_hash';

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return array_unique($list);

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});

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} else {

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add_filter('litespeed_vary_cookies', function ($list) {

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if (in_array('woocommerce_cart_hash', $list)) {

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unset($list[array_search('woocommerce_cart_hash', $list)]);

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}

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return array_unique($list);

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});

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}

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}

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}

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// id validation will be inside

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$this->cls('Conf')->update_confs($the_matrix);

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$msg = __('Options saved.', 'litespeed-cache');

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Admin_Display::succeed($msg);

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}

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/**

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* Parses any changes made by the network admin on the network settings.

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*

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* @since 3.0

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* @access public

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*/

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public function network_save($raw_data)

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{

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Debug2::debug('[Settings] network saving');

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if (empty($raw_data[self::ENROLL])) {

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exit('No fields');

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}

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$raw_data = Admin::cleanup_text($raw_data);

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foreach (array_unique($raw_data[self::ENROLL]) as $id) {

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// Append current field to setting save

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if (!array_key_exists($id, self::$_default_site_options)) {

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continue;

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}

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$data = !empty($raw_data[$id]) ? $raw_data[$id] : false;

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// id validation will be inside

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$this->cls('Conf')->network_update($id, $data);

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}

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// Update related files

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Activation::cls()->update_files();

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$msg = __('Options saved.', 'litespeed-cache');

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Admin_Display::succeed($msg);

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}

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/**

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* Hooked to the wp_redirect filter.

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* This will only hook if there was a problem when saving the widget.

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*

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* @since 1.1.3

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* @access public

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* @param string $location The location string.

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* @return string the updated location string.

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*/

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public static function widget_save_err($location)

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{

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return str_replace('?message=0', '?error=0', $location);

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}

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/**

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* Hooked to the widget_update_callback filter.

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* Validate the LiteSpeed Cache settings on edit widget save.

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*

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* @since 1.1.3

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* @access public

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* @param array $instance The new settings.

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* @param array $new_instance

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* @param array $old_instance The original settings.

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* @param WP_Widget $widget The widget

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* @return mixed Updated settings on success, false on error.

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*/

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public static function validate_widget_save($instance, $new_instance, $old_instance, $widget)

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{

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if (empty($new_instance)) {

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return $instance;

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}

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if (!isset($new_instance[ESI::WIDGET_O_ESIENABLE]) || !isset($new_instance[ESI::WIDGET_O_TTL])) {

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return $instance;

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}

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$esi = intval($new_instance[ESI::WIDGET_O_ESIENABLE]) % 3;

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$ttl = (int) $new_instance[ESI::WIDGET_O_TTL];

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if ($ttl != 0 && $ttl < 30) {

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add_filter('wp_redirect', __CLASS__ . '::widget_save_err');

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return false; // invalid ttl.

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}

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if (empty($instance[Conf::OPTION_NAME])) {

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// todo: to be removed

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$instance[Conf::OPTION_NAME] = array();

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}

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$instance[Conf::OPTION_NAME][ESI::WIDGET_O_ESIENABLE] = $esi;

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$instance[Conf::OPTION_NAME][ESI::WIDGET_O_TTL] = $ttl;

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$current = !empty($old_instance[Conf::OPTION_NAME]) ? $old_instance[Conf::OPTION_NAME] : false;

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if (!strpos($_SERVER['HTTP_REFERER'], '/wp-admin/customize.php')) {

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if (!$current || $esi != $current[ESI::WIDGET_O_ESIENABLE]) {

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Purge::purge_all('Widget ESI_enable changed');

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} elseif ($ttl != 0 && $ttl != $current[ESI::WIDGET_O_TTL]) {

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Purge::add(Tag::TYPE_WIDGET . $widget->id);

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}

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Purge::purge_all('Widget saved');

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}

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return $instance;

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}

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}

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