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mainwp-child/class/class-mainwp-keyword-links.php
codefactor-io bd796ad047 [CodeFactor] Apply fixes to commit 7e3b1f2 
[ci skip] [skip ci]
2020-03-26 14:11:33 +00:00

1001 lines
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PHP
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<?php
class MainWP_Keyword_Links {
public static $instance = null;
protected $config;
protected $keyword_links;
protected $server;
protected $siteurl;
protected $link_temp;
protected $link_count_temp;
protected $link_count_each_temp;
protected $link_exact_match = 1;
protected $link_case_sensitive = 1;
static function Instance() {
if ( null === self::$instance ) {
self::$instance = new MainWP_Keyword_Links();
}
return self::$instance;
}
public function __construct() {
global $wpdb;
$this->server = get_option( 'mainwp_child_server' );
add_action( 'wp_ajax_keywordLinksSaveClick', array( $this, 'saveClickCallback' ) );
add_action( 'wp_ajax_nopriv_keywordLinksSaveClick', array( $this, 'saveClickCallback' ) );
add_action( 'template_redirect', array( $this, 'keywordLinksJS' ) );
$this->config = get_option( 'mainwp_kwl_options', array() );
$this->keyword_links = get_option( 'mainwp_kwl_keyword_links', array() );
if ( empty( $this->keyword_links ) ) {
$this->keyword_links = array();
}
//print_r($this->keyword_links);
$this->siteurl = get_option( 'home' );
add_action( 'permalink_structure_changed', array( &$this, 'permalinkChanged' ), 10, 2 );
}
public function keywordLinksJS() {
if ( ! is_admin() && get_option( 'mainwp_kwl_enable_statistic' ) && !empty($this->keyword_links) ) {
wp_enqueue_script( 'jquery' );
wp_enqueue_script( 'keywordLinks', plugins_url( '/js/keywordlinks.js', dirname( __FILE__ ) ) );
add_action( 'wp_head', array( $this, 'head_loading' ), 1 );
}
}
public function head_loading() {
?>
<script type="text/javascript">
var kwlAjaxUrl = "<?php echo esc_js( admin_url( 'admin-ajax.php' ) ); ?>";
var kwlNonce = "<?php echo esc_js( wp_create_nonce( 'keywordLinksSaveClick' ) ); ?>";
var kwlIp ="<?php echo esc_html( $_SERVER['REMOTE_ADDR'] ); ?>";
var kwlReferer ="<?php echo esc_html( $_SERVER['HTTP_REFERER'] ); ?>";
</script>
<?php
}
public function permalinkChanged( $old_struct, $new_struct ) {
if ( '1' !== get_option( 'mainwpKeywordLinks' ) ) {
if ( 'yes' === get_option( 'mainwp_keyword_links_htaccess_set' ) ) {
$this->update_htaccess( false, true ); // force clear
}
} else {
$this->update_htaccess( true ); // force update
}
}
function mod_rewrite_rules( $pRules ) {
$home_root = parse_url( home_url() );
if ( isset( $home_root['path'] ) ) {
$home_root = trailingslashit( $home_root['path'] );
} else {
$home_root = '/';
}
$rules = "<IfModule mod_rewrite.c>\n";
$rules .= "RewriteEngine On\n";
$rules .= "RewriteBase $home_root\n";
//add in the rules that don't redirect to WP's index.php (and thus shouldn't be handled by WP at all)
foreach ( $pRules as $match => $query ) {
// Apache 1.3 does not support the reluctant (non-greedy) modifier.
$match = str_replace( '.+?', '.+', $match );
$rules .= 'RewriteRule ^' . $match . ' ' . $home_root . $query . " [QSA,L]\n";
}
$rules .= "</IfModule>\n";
return $rules;
}
function update_htaccess( $force_update = false, $force_clear = false ) {
if ( $force_clear ) {
$this->do_update_htaccess( true );
} elseif ( $force_update ) {
return $this->do_update_htaccess();
} else {
if ( '' == get_option( 'permalink_structure' ) && 'yes' !== get_option( 'mainwp_keyword_links_htaccess_set' ) ) {
$this->do_update_htaccess();
} // need to update
elseif ( '' != get_option( 'permalink_structure' ) && 'yes' === get_option( 'mainwp_keyword_links_htaccess_set' ) ) {
$this->do_update_htaccess();
} // need to update
}
return true;
}
public static function clear_htaccess() {
include_once ABSPATH . '/wp-admin/includes/misc.php';
$home_path = ABSPATH;
$htaccess_file = $home_path . '.htaccess';
if ( function_exists( 'save_mod_rewrite_rules' ) ) {
$rules = explode( "\n", '' );
insert_with_markers( $htaccess_file, 'MainWP Keyword Links Extension', $rules );
}
MainWP_Helper::update_option( 'mainwp_keyword_links_htaccess_set', '', 'yes' );
}
public function do_update_htaccess( $force_clear = false ) {
if ( $force_clear ) {
self::clear_htaccess();
return true;
} elseif ( '' === get_option( 'permalink_structure' ) ) {
include_once ABSPATH . '/wp-admin/includes/misc.php';
$redirection_folder = $this->get_option( 'redirection_folder', '' );
if ( empty( $redirection_folder ) ) {
$rules = $this->get_cloak_rules();
$rules = $this->mod_rewrite_rules( $rules );
//self::clear_htaccess();
} else {
//Create rewrite ruler
$rules = $this->mod_rewrite_rules( array( $redirection_folder . '/' => 'index.php' ) );
}
$home_path = ABSPATH;
$htaccess_file = $home_path . '.htaccess';
if ( function_exists( 'save_mod_rewrite_rules' ) ) {
$rules = explode( "\n", $rules );
insert_with_markers( $htaccess_file, 'MainWP Keyword Links Extension', $rules );
}
MainWP_Helper::update_option( 'mainwp_keyword_links_htaccess_set', 'yes', 'yes' );
return true;
} else {
self::clear_htaccess();
return true;
}
}
function get_cloak_rules() {
$cloak_rules = array();
foreach ( $this->keyword_links as $link ) {
if ( ! empty( $link->cloak_path ) ) {
$cloak_rules[ $link->cloak_path ] = 'index.php';
}
}
return $cloak_rules;
}
public function saveClickCallback() {
if ( ! wp_verify_nonce( $_POST['nonce'], 'keywordLinksSaveClick' ) ) {
return false;
}
$link_id = intval( $_POST['link_id'] );
if ( $link_id ) {
$this->add_statistic( $link_id, $_POST['ip'], $_POST['referer'] );
}
exit;
}
public function sendClick() {
$url = $this->server . 'admin-ajax.php';
$clickData = get_option( 'mainwp_kwl_click_statistic_data' );
$key = get_option( 'mainwp_child_pubkey' );
if ( ! is_array( $clickData ) ) {
return false;
}
$timestamp = time();
$signature = $this->createSignature( $key, $timestamp, $clickData );
$request = wp_remote_post( $url, array(
'headers' => array(
'Referer' => site_url(),
),
'body' => array(
'timestamp' => $timestamp,
'signature' => $signature,
'data' => base64_encode( serialize( $clickData ) ),
'action' => 'keywordLinksSendClick',
),
) );
if ( is_array( $request ) && intval( $request['body'] ) > 0 ) {
delete_option( 'mainwp_kwl_click_statistic_data' );
}
}
public function createSignature( $key, $timestamp, $data ) {
$datamd5 = md5( $timestamp . base64_encode( serialize( $data ) ) );
$signature = md5( $key . $datamd5 );
return $signature;
}
public function checkSignature( $signature, $timestamp, $data ) {
$key = get_option( 'mainwp_child_pubkey' );
if ( ! $key ) {
return false;
}
$createSign = $this->createSignature( $key, $timestamp, $data );
return ( $signature === $createSign );
}
public function get_option( $key, $default = '' ) {
if ( isset( $this->config[ $key ] ) ) {
return $this->config[ $key ];
}
return $default;
}
public function set_option( $key, $value ) {
$this->config[ $key ] = $value;
return MainWP_Helper::update_option( 'mainwp_kwl_options', $this->config );
}
public function get_link( $link_id, $default = '' ) {
if ( isset( $this->keyword_links[ $link_id ] ) ) {
return $this->keyword_links[ $link_id ];
}
return $default;
}
public function set_link( $link_id, $link ) {
if ( empty( $link ) ) {
unset( $this->keyword_links[ $link_id ] );
} else {
$this->keyword_links[ $link_id ] = $link;
}
return MainWP_Helper::update_option( 'mainwp_kwl_keyword_links', $this->keyword_links );
}
// This function is to generate links for keywords in post content
public function filter_content( $content ) {
global $post, $wpdb;
if ( $this->get_option( 'mainwp_kwl_do_not_link_site_blocked', false ) ) {
return $content;
}
// get allow post typies, if it isn't belong that => avoid
$allow_post_type = (array) $this->get_option( 'enable_post_type' );
if ( ! in_array( $post->post_type, $allow_post_type ) ) {
return $content;
}
if ( $post ) {
// Check if this post was disabled with this function, come back
$disable = get_post_meta( $post->ID, '_mainwp_kl_disable', true );
if ( 1 === (int) $disable ) {
return $content;
}
$paths_blocked = $this->get_option( 'mainwp_kwl_do_not_link_paths_blocked', array() );
if ( is_array( $paths_blocked ) ) {
$permalink = get_permalink( $post->ID );
$url_paths = str_replace( $this->siteurl, '', $permalink );
$url_paths = trim( $url_paths, '/' );
// check full path blocked
if ( in_array( $url_paths, $paths_blocked ) ) {
return $content;
}
$url_paths = explode( '/', $url_paths );
foreach ( $url_paths as $path ) {
// check partial paths blocked
if ( ! empty( $path ) && in_array( $path, $paths_blocked ) ) {
return $content;
}
}
}
}
// save specific link
if ( $post ) {
$specific_link = maybe_unserialize( get_post_meta( $post->ID, '_mainwp_kwl_specific_link', true ) );
if ( is_array( $specific_link ) && count( $specific_link ) > 0 ) {
$specific_link = current( $specific_link );
$specific_link->post_id = $post->ID;
//update_post_meta($post->ID, '_mainwp_kwl_specific_link_save', array($specific_link->id => $specific_link));
update_post_meta( $post->ID, '_mainwp_kwl_specific_link_id', $specific_link->id );
if ( $this->set_link( $specific_link->id, $specific_link ) ) {
update_post_meta( $post->ID, '_mainwp_kwl_specific_link', '<saved>' );
}
}
}
if ( $post && $post->ID ) {
$links = $this->get_available_links( $post->ID );
} else {
$links = $this->get_available_links();
}
// print_r($this->keyword_links);
// if ($post->ID == 751) {
// //print_r($links);
// $custom = get_post_custom($post->ID);
// print_r($custom);
// }
if ( empty( $links ) ) {
return $content;
}
$replace_max = intval( $this->get_option( 'replace_max', - 1 ) );
$replace_max_keyword = intval( $this->get_option( 'replace_max_keyword', - 1 ) );
// start create links for keywords (terms) in post content
$this->link_count_temp = $replace_max;
$not_allow_keywords = get_post_meta( $post->ID, 'mainwp_kl_not_allowed_keywords_on_this_post', true );
$not_allow_keywords = maybe_unserialize( $not_allow_keywords );
foreach ( $links as $link ) {
if ( ! $link ) {
continue;
}
global $current_user;
$link->exact_match = isset( $link->exact_match ) ? $link->exact_match : 1; // to remove warning
$link->case_sensitive = isset( $link->case_sensitive ) ? $link->case_sensitive : 1; // to remove warning
$this->link_temp = $link;
$this->link_count_each_temp = $replace_max_keyword;
$this->link_exact_match = $link->exact_match;
$this->link_case_sensitive = $link->case_sensitive;
$keywords = $this->explode_multi( $link->keyword );
//usort( $keywords, create_function( '$a,$b', 'return strlen($a)<strlen($b);' ) );
usort( $keywords, array($this, 'usort_callback_func') );
$replace_cs = $link->case_sensitive ? 's' : 'is';
//print_r($keywords);
foreach ( $keywords as $keyword ) {
$keyword = trim( $keyword );
if ( empty( $keyword ) ) {
continue;
}
if ( in_array( array(
'keyword' => $keyword,
'link' => $link->destination_url,
), (array) $not_allow_keywords ) ) {
continue;
}
$keyword = preg_replace( '/([$^\/?+.*\]\[)(}{])/is', '\\\\\1', $keyword );
if ( ( $link->case_sensitive && strpos( $content, $keyword ) !== false ) || ( ! $link->case_sensitive && stripos( $content, $keyword ) !== false ) ) {
//Replace keyword in H tag
if ( $this->get_option( 'replace_keyword_in_h_tag' ) ) {
//$content = preg_replace_callback('/(<a[^>]*>.*?'.$keyword.'.*?<\/a>|<[^>]*'.$keyword.'[^>]*>|\{[^}]*'.$keyword.'[^}]*\}|\w*('.$keyword.')\w*)/is', array(&$this, 'keyword_mark'), $content);
$content = preg_replace_callback( '/(<a[^>]*>[^<]*?' . $keyword . '[^<]*?<\/a>|<[^>]*' . $keyword . '[^>]*>|\{[^\}]*' . $keyword . '[^\}]*\}|\w*(' . $keyword . ')\w*)/' . $replace_cs, array(
&$this,
'keyword_mark',
), $content );
} else {
//$content = preg_replace_callback('/(<h[123456][^>]*>.*?'.$keyword.'.*?<\/h[123456]>|<a[^>]*>.*?'.$keyword.'.*?<\/a>|<[^>]*'.$keyword.'[^>]*>|\{[^}]*'.$keyword.'[^}]*\}|\w*('.$keyword.')\w*)/is', array(&$this, 'keyword_mark'), $content);
$content = preg_replace_callback( '/(<h[123456][^>]*>[^<]*?' . $keyword . '[^<]*?<\/h[123456]>|<a[^>]*>[^<]*?' . $keyword . '[^<]*?<\/a>|<[^>]*' . $keyword . '[^>]*>|\{[^\}]*' . $keyword . '[^\}]*\}|\w*(' . $keyword . ')\w*)/' . $replace_cs, array(
&$this,
'keyword_mark',
), $content );
}
}
}
}
//$content = preg_replace_callback('/\{MAINWP_LINK +HREF="(.*?)" +TARGET="(.*?)" +REL="(.*?)" +LINK-ID="(.*?)" +CLASS="(.*?)" +TEXT="(.*?)" *\}/is', array(&$this, 'keyword_replace'), $content);
$content = preg_replace_callback( '/\{MAINWP_LINK +HREF="(.*?)" +TARGET="(.*?)" +REL="(.*?)" +LINK-ID="(.*?)" +CLASS="(.*?)" +TEXT="(.*?)" +FULL_TEXT="(.*?)" *\}/is', array(
&$this,
'keyword_replace',
), $content );
return $content;
}
private function usort_callback_func( $a, $b) {
return strlen($a)<strlen($b);
}
public function keyword_mark( $matches ) {
if ( preg_match( '/^[<{].*?[>}]$/is', $matches[1] ) ) {
return $matches[1];
}
if ( $this->link_count_temp === 0 || $this->link_count_each_temp === 0 ) {
return $matches[1];
}
if ( $this->link_exact_match ) {
if ( $matches[1] !== $matches[2] ) {
return $matches[1];
}
}
if ( -1 !== $this->link_count_temp ) {
$this->link_count_temp --;
}
if ( -1 !== $this->link_count_temp ) {
$this->link_count_each_temp --;
}
// if (isset($this->link_temp->type) && $this->link_temp->type == 'post_type') {
//// $post = get_post($this->link_temp->id);
//// if ($post) {
//// $disable_linking = $this->get_option('disable_linking_automatically', array());
//// if (in_array($post->post_name, $disable_linking[$post->post_type]))
//// return $matches[1]; // do not link to this post
//// }
// $link_target = get_post_meta($this->link_temp->id, '_mainwp_kl_link_newtab', true);
// $this->link_temp->link_target = ( $link_target != -1 && $link_target == 1 ? '_blank' : '' );
// $link_rel = get_post_meta($this->link_temp->id, '_mainwp_kl_link_nofollow', true);
// $this->link_temp->link_rel = ( $link_rel != -1 && $link_rel == 1 ? 'nofollow' : '' );
// $this->link_temp->link_class = get_post_meta($this->link_temp->id, '_mainwp_kl_link_class', true);
// }
if ( '-1' !== $this->link_temp->link_target ) {
$target = $this->link_temp->link_target;
} else {
$target = $this->get_option( 'default_link_newtab' ) ? '_blank' : '';
}
if ( '-1' !== $this->link_temp->link_rel ) {
$rel = $this->link_temp->link_rel;
} else {
$rel = $this->get_option( 'default_link_nofollow' ) ? 'nofollow' : '';
}
if ( '' !== $this->link_temp->link_class ) {
$class = $this->link_temp->link_class;
} else {
$class = $this->get_option( 'default_link_class' );
}
$redirection_folder = $this->get_option( 'redirection_folder', '' );
if ( ! empty( $redirection_folder ) ) {
$redirection_folder = '/' . $redirection_folder;
}
$regular_link = false;
if ( empty( $this->link_temp->cloak_path ) ) {
$regular_link = true;
$class .= ' kwl-regular-link';
}
//return '{MAINWP_LINK HREF="' . ( $this->link_temp->cloak_path ? $this->siteurl . $redirection_folder . '/' . $this->link_temp->cloak_path : $this->link_temp->destination_url) . '" TARGET="' . $target . '" REL="' . $rel . '" LINK-ID="' . (isset($this->link_temp->id) ? $this->link_temp->id : 0) . '" CLASS="' . $class . '" TEXT="' . $matches[1] . '"}';
return '{MAINWP_LINK HREF="' . ( $this->link_temp->cloak_path ? $this->siteurl . $redirection_folder . '/' . $this->link_temp->cloak_path : $this->link_temp->destination_url ) . '" TARGET="' . $target . '" REL="' . $rel . '" LINK-ID="' . ( isset( $this->link_temp->id ) ? $this->link_temp->id : 0 ) . '" CLASS="' . $class . '" TEXT="' . $matches[2] . '" FULL_TEXT="' . $matches[1] . '"}';
}
public function keyword_replace( $matches ) {
$a = '<a href="' . $matches[1] . '"';
$a .= ( $matches[2] ) ? ' target="' . $matches[2] . '"' : '';
$a .= ( $matches[3] ) ? ' rel="' . $matches[3] . '"' : '';
$a .= ( $matches[4] ) ? ' link-id="' . $matches[4] . '"' : '';
$a .= ( $matches[5] ) ? ' class="' . $matches[5] . '"' : '';
$a .= '>' . $matches[6] . '</a>';
if ( ! $this->link_exact_match ) {
if ( $matches[7] !== $matches[6] ) {
$a = str_replace( $matches[6], $a, $matches[7] );
}
}
return $a;
}
public function get_available_links( $post_id = null ) {
global $post, $wpdb;
if ( null !== $post_id ) {
$post = get_post( $post_id );
}
$links = array();
// $disable_add_links = $this->get_option('disable_add_links_automatically');
// // if disabled add links automatically in this post, avoid
// if (in_array($post->post_name, (array) $disable_add_links[$post->post_type])) {
// return $links;
// }
// Check if this post was disabled with this function, come back
// $disable = get_post_meta($post->ID, '_mainwp_kl_disable', true);
// if ($disable == 1)
// return $links;
// count replace max and max keyword allowed.
$replace_max = intval( $this->get_option( 'replace_max' ) );
$replace_max_keyword = intval( $this->get_option( 'replace_max_keyword' ) );
if ( 0 === $replace_max || 0 === $replace_max_keyword ) {
return $links;
}
// Post types enabled to create links
$post_types = (array) $this->get_option( 'enable_post_type_link' );
foreach ( $post_types as $post_type ) {
if ( $post_type === $post->post_type ) {
$categories = get_the_terms( $post->ID, 'category' );
$cats = array();
if ( is_array( $categories ) ) {
foreach ( $categories as $category ) {
$cats[] = $category->term_id;
}
}
$links_post_type = (array) $this->get_post_keywords( $post_type, $cats );
} else {
$links_post_type = (array) $this->get_post_keywords( $post_type );
}
//print_r($links_post_type);
if ( count( $links_post_type ) > 0 ) {
$links = array_merge( $links, $links_post_type );
}
}
if ( $post && $post->ID > 0 ) {
$spec_link_id = get_post_meta( $post->ID, '_mainwp_kwl_specific_link_id', true );
}
$post_timestamp = strtotime( $post->post_date );
foreach ( $this->keyword_links as $link ) {
if ( 1 === (int) $link->type || 3 === (int) $link->type ) { // type: 1,3 is normal link and specific link
if ( isset( $link->check_post_date ) && $link->check_post_date ) {
if ( $post_timestamp < $link->check_post_date ) {
$links[] = $link;
}
} else {
$links[] = $link;
}
} elseif ( $spec_link_id && $spec_link_id === $link->id ) { // type 2 is specific link
if ( $link->check_post_date ) {
if ( $post_timestamp < $link->check_post_date ) {
$links[] = $link;
}
} else {
$links[] = $link;
}
}
}
return $links;
}
public function get_post_keywords( $post_type, $cats = null ) {
global $wpdb, $post;
$join = '';
$where = '';
if ( is_array( $cats ) && count( $cats ) > 0 ) {
$join = "JOIN $wpdb->term_relationships tr ON tr.object_id = p.ID";
$where = " AND (tr.term_taxonomy_id = '" . implode( "' OR tr.term_taxonomy_id = '", $cats ) . "')";
}
//$results = $wpdb->get_results(sprintf("SELECT * FROM $wpdb->posts as p LEFT JOIN $wpdb->postmeta as pm ON p.ID=pm.post_id $join WHERE p.post_status='publish' AND p.post_type='%s' AND pm.meta_key='_mainwp_kl_post_keyword' $where", $post_type));
$results = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->posts as p $join WHERE p.post_status='publish' AND p.post_type= %s $where", $post_type ) );
$links = array();
if ( ! is_array( $results ) ) {
return array();
}
$paths_blocked = $this->get_option( 'mainwp_kwl_do_not_link_paths_blocked', array() );
foreach ( $results as $result ) {
if ( $result->ID === $post->ID ) {
continue;
} // do not link to myself
if ( in_array( $result->post_name, (array) $paths_blocked ) ) {
continue;
}
$link = new stdClass();
// This is on-fly link so have not ID
//$link->id = $result->ID;
$link->name = $result->post_title;
//if ($result->post_type == 'page')
// $link->destination_url = get_permalink($result->ID);
//else
// $link->destination_url = $result->guid;
$link->destination_url = get_permalink( $result->ID );
$link->cloak_path = '';
$link->keyword = ( 1 === (int) $this->get_option( 'post_match_title' ) ? $result->post_title : '' );
$link->link_target = '';
$link->link_rel = '';
$link->link_class = '';
$link->type = 1;
$links[] = $link;
}
return $links;
}
public function explode_multi( $str ) {
$delimiters = array( ',', ';', '|' );
$str = str_replace( $delimiters, ',', $str );
$kws = explode( ',', $str );
$return = array();
foreach ( $kws as $kw ) {
$return[] = trim( $kw );
}
return $return;
}
public function redirect_cloak() {
global $wpdb;
if ( $this->get_option( 'mainwp_kwl_do_not_link_site_blocked', false ) ) {
return;
}
$request = $_SERVER['REQUEST_URI'];
// Check if the request is correct
if ( ! preg_match( '|^[a-z0-9-~+_.?#=!&;,/:%@$\|*\'()\\x80-\\xff]+$|i', $request ) ) {
return;
}
// Check to see if WordPress is installed in sub folder
$siteurl = parse_url( $this->siteurl );
$sitepath = ( isset( $siteurl['path'] ) ) ? $siteurl['path'] : '';
$filter_request = preg_replace( '|^' . $sitepath . '/?|i', '', $request );
$filter_request = preg_replace( '|/?$|i', '', $filter_request );
$redirection_folder = $this->get_option( 'redirection_folder', '' );
if ( ! empty( $redirection_folder ) ) {
//if the request doesn't' containt the redirection folder we will return immediately
if ( strpos( $filter_request, $redirection_folder . '/' ) === false ) {
return;
}
}
$filter_request = str_replace( $redirection_folder . '/', '', $filter_request );
if ( empty( $filter_request ) ) {
return;
}
if ( '/' === substr( $filter_request, - 1 ) ) {
$filter_request = substr( $filter_request, 0, - 1 );
}
$link_id = 0;
foreach ( $this->keyword_links as $link ) {
if ( $link->cloak_path === $filter_request ) {
$destination_url = $link->destination_url;
$link_id = $link->id;
break;
}
}
if ( ! empty( $destination_url ) ) {
if ( get_option( 'mainwp_kwl_enable_statistic' ) ) {
$this->add_statistic( $link_id, $_SERVER['REMOTE_ADDR'], $_SERVER['HTTP_REFERER'] );
}
wp_redirect( $destination_url );
die();
}
}
public function add_statistic( $link_id, $addr, $referer, $type = 'click' ) {
if ( $link_id > 0 ) {
$storeData = get_option( 'mainwp_kwl_click_statistic_data' );
if ( ! is_array( $storeData ) ) {
$storeData = array();
}
$storeData[] = array(
'timestamp' => time(),
'link_id' => $link_id,
'ip' => $addr,
'referer' => $referer,
);
MainWP_Helper::update_option( 'mainwp_kwl_click_statistic_data', $storeData );
// Customize when we need to send the data
$this->sendClick();
}
}
// public function get_statistic() {
// global $wpdb;
// $link_id = $_POST['link_id'];
// if ($link_id) {
// $stat_data = get_option('mainwp_kwl_statistic_data_' . $link_id, array());
// if ($stat_data) {
// $return['stat_data'] = $stat_data;
// //$wpdb->query("UPDATE {$wpdb->prefix}options SET option_name = 'mainwp_kwl_statistic_data_done_" . $link_id . "' WHERE option_name = 'mainwp_kwl_statistic_data_" . $link_id . "'");
// update_option('mainwp_kwl_statistic_data_' . $link_id, '');
// } else
// $return['stat_data'] = 'EMPTY';
// $return['status'] = 'SUCCESS';
// }
// return $return;
// }
public function action() {
$result = array();
switch ( $_POST['action'] ) {
case 'enable_stats':
$result = $this->enable_stats();
break;
case 'refresh_data':
$result = $this->refresh_data();
break;
case 'import_link':
case 'add_link':
$result = $this->edit_link();
break;
case 'delete_link':
$result = $this->delete_link();
break;
case 'clear_link':
$result = $this->clear_link();
break;
case 'update_config':
$result = $this->update_config();
break;
case 'donotlink_site_blocks':
$result = $this->donotlink_site_blocks();
break;
case 'donotlink_path_blocks':
$result = $this->donotlink_path_blocks();
break;
case 'donotlink_clear':
$result = $this->donotlink_clear();
break;
case 'remove_keywords':
$result = $this->remove_keywords();
break;
}
MainWP_Helper::write( $result );
}
function remove_keywords() {
$result = array();
$remove_settings = $_POST['removeSettings'];
$remove_keywords = $_POST['keywords'];
$remove_keywords = maybe_unserialize( base64_decode( $remove_keywords ) );
$remove_kws = $this->explode_multi( $remove_keywords );
if ( $remove_settings ) {
$this->clear_settings();
$return['status'] = 'SUCCESS';
} elseif ( is_array( $remove_kws ) && is_array( $this->keyword_links ) ) {
$new_keyword_links = array();
foreach ( $this->keyword_links as $link_id => $link ) {
$lnk_kws = $link->keyword;
$lnk_kws = $this->explode_multi( $lnk_kws );
$diff_kws = array();
if ( is_array( $lnk_kws ) ) {
$diff_kws = array_diff( $lnk_kws, $remove_kws );
}
if ( count( $diff_kws ) > 0 ) {
$link->keyword = implode( ',', $diff_kws );
$new_keyword_links[ $link_id ] = $link;
}
}
$this->keyword_links = $new_keyword_links;
MainWP_Helper::update_option( 'mainwp_kwl_keyword_links', $this->keyword_links );
$return['status'] = 'SUCCESS';
} else {
$return['status'] = 'NOCHANGE';
}
return $return;
}
public function clear_settings() {
$dell_all = array(
'mainwp_keyword_links_htaccess_set',
'mainwp_kwl_options',
'mainwpKeywordLinks',
'mainwp_kwl_keyword_links',
'mainwp_kwl_click_statistic_data',
'mainwp_kwl_enable_statistic',
'mainwp_kwl_keyword_links',
);
foreach ( $dell_all as $opt ) {
delete_option( $opt );
}
}
public function enable_stats() {
global $mainWPChild;
$result = array();
$enable_stats = intval( $_POST['enablestats'] );
if ( get_option( 'mainwp_kwl_enable_statistic' ) !== $enable_stats ) {
if ( MainWP_Helper::update_option( 'mainwp_kwl_enable_statistic', $enable_stats ) ) {
$return['status'] = 'SUCCESS';
}
$mainWPChild->update_htaccess( true );
}
return $return;
}
public function refresh_data() {
$return = array();
if ( isset( $_POST['clear_all'] ) ) {
$cleared1 = MainWP_Helper::update_option( 'mainwp_kwl_keyword_links', '' );
$cleared2 = MainWP_Helper::update_option( 'mainwp_kwl_options', '' );
if ( $cleared1 || $cleared2 ) {
$return['status'] = 'SUCCESS';
}
}
return $return;
}
function update_htaccess_for_change_cloak_links( $link ) {
if ( empty( $link ) ) {
return;
}
$redirection_folder = $this->get_option( 'redirection_folder', '' );
if ( empty( $redirection_folder ) ) {
$this->update_htaccess( true );
}
}
public function delete_link() {
$result = array();
if ( ! empty( $_POST['link_id'] ) ) {
$current = $this->get_link( $_POST['link_id'], false );
$delete_permanent = intval( $_POST['delete_permanent'] );
if ( $current ) {
if ( $delete_permanent ) {
if ( 2 === (int) $current->type || 3 === (int) $current->type ) {
$deleted = delete_post_meta( $current->post_id, '_mainwp_kwl_specific_link_id' );
}
if ( $this->set_link( $current->id, '' ) ) {
$return['status'] = 'SUCCESS';
}
} else {
$current->check_post_date = time();
$this->set_link( $current->id, $current );
}
$this->update_htaccess_for_change_cloak_links( $current );
} else {
$return['status'] = 'SUCCESS';
}
}
return $return;
}
public function clear_link() {
$return = array();
$cleared = false;
if ( ! empty( $_POST['link_id'] ) ) {
$clear_link = $this->get_link( $_POST['link_id'], false );
if ( $clear_link ) {
if ( 3 === (int) $clear_link->type ) {
$clear_link->type = 2;
$cleared = $this->set_link( $clear_link->id, $clear_link );
} elseif ( 1 === (int) $clear_link->type ) {
$cleared = $this->set_link( $clear_link->id, '' ); // delete link
}
$this->update_htaccess_for_change_cloak_links( $clear_link );
} else {
$cleared = true;
}
}
if ( $cleared ) {
$return['status'] = 'SUCCESS';
}
return $return;
}
public function edit_link() {
$return = array();
$link_id = $_POST['id'];
if ( ! empty( $link_id ) ) {
$valid_kws = '';
$chec_kws = $this->check_existed_keywords( $link_id, sanitize_text_field( $_POST['keyword'] ) );
if ( is_array( $chec_kws['existed'] ) && count( $chec_kws['existed'] ) > 0 ) {
$return['existed_keywords'] = $chec_kws['existed'];
}
if ( is_array( $chec_kws['valid'] ) && count( $chec_kws['valid'] ) > 0 ) {
$valid_kws = implode( ',', $chec_kws['valid'] );
}
$old = $this->get_link( $link_id );
$link = new stdClass();
$link->id = intval( $link_id );
$link->name = sanitize_text_field( $_POST['name'] );
$link->destination_url = esc_url( $_POST['destination_url'] );
$link->cloak_path = sanitize_text_field( $_POST['cloak_path'] );
$link->keyword = $valid_kws;
$link->link_target = $_POST['link_target']; // number or text
$link->link_rel = $_POST['link_rel']; // number or text
$link->link_class = sanitize_text_field( $_POST['link_class'] );
$link->type = intval( $_POST['type'] );
$link->exact_match = intval( $_POST['exact_match'] );
$link->case_sensitive = intval( $_POST['case_sensitive'] );
if ( 2 === (int) $link->type || 3 === (int) $link->type ) {
if ( intval( $_POST['post_id'] ) ) {
$link->post_id = intval( $_POST['post_id'] );
} elseif ( $old && $old->post_id ) {
$link->post_id = $old->post_id;
}
if ( $link->post_id ) {
update_post_meta( $link->post_id, '_mainwp_kwl_specific_link_id', $link_id );
}
}
if ( $this->set_link( $link->id, $link ) ) {
$return['status'] = 'SUCCESS';
$this->update_htaccess_for_change_cloak_links( $link );
}
}
MainWP_Helper::update_option( 'mainwpKeywordLinks', 1, 'yes' ); // enable extension functions
return $return;
}
function check_existed_keywords( $link_id, $keywords ) {
$new_kws = $this->explode_multi( $keywords );
$existed_kws = array();
if ( is_array( $new_kws ) && is_array( $this->keyword_links ) ) {
foreach ( $this->keyword_links as $lnk_id => $kw ) {
if ( $link_id !== $lnk_id ) {
$link_kws = $this->explode_multi( $kw->keyword );
if ( is_array( $link_kws ) ) {
foreach ( $new_kws as $new_kw ) {
if ( in_array( $new_kw, $link_kws ) && ! in_array( $new_kw, $existed_kws ) ) {
$existed_kws[] = $new_kw;
}
}
}
}
}
}
return array(
'existed' => $existed_kws,
'valid' => array_diff( $new_kws, $existed_kws ),
);
}
public function update_config() {
$return = array();
$this->config = array(
'replace_max' => intval( $_POST['replace_max'] ),
'replace_max_keyword' => intval( $_POST['replace_max_keyword'] ),
'default_link_nofollow' => intval( $_POST['default_link_nofollow'] ),
'default_link_newtab' => intval( $_POST['default_link_newtab'] ),
'replace_keyword_in_h_tag' => intval( $_POST['replace_keyword_in_h_tag'] ),
'default_link_class' => sanitize_text_field( $_POST['default_link_class'] ),
'post_match_title' => intval( $_POST['post_match_title'] ),
'redirection_folder' => sanitize_text_field( $_POST['redirection_folder'] ),
'enable_post_type' => $_POST['enable_post_type'],
'enable_post_type_link' => $_POST['enable_post_type_link'],
);
MainWP_Helper::update_option( 'mainwpKeywordLinks', 1, 'yes' ); // enable extension functions
MainWP_Helper::update_option( 'mainwp_kwl_options', $this->config );
// force update
$this->update_htaccess( true );
$return['status'] = 'SUCCESS';
return $return;
}
public function donotlink_site_blocks() {
$return = array();
if ( $this->set_option( 'mainwp_kwl_do_not_link_site_blocked', true ) ) {
$return['status'] = 'SUCCESS';
}
return $return;
}
public function donotlink_path_blocks() {
$return = array();
if ( $path = $_POST['path'] ) {
$paths = $this->get_option( 'mainwp_kwl_do_not_link_paths_blocked', array() );
$paths[] = $path;
if ( $this->set_option( 'mainwp_kwl_do_not_link_paths_blocked', $paths ) ) {
$return['status'] = 'SUCCESS';
}
}
return $return;
}
public function donotlink_clear() {
$return = array();
if ( $this->set_option( 'mainwp_kwl_do_not_link_site_blocked', '' ) ) {
$return['status'] = 'SUCCESS';
}
if ( $this->set_option( 'mainwp_kwl_do_not_link_paths_blocked', '' ) ) {
$return['status'] = 'SUCCESS';
}
return $return;
}
}
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