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/home/tahkoom/public_html/wp-content/plugins/complianz-gdpr/class-cookie-blocker.php
<?php
defined( 'ABSPATH' ) or die( "you do not have access to this page!" );
if ( ! class_exists( 'cmplz_cookie_blocker' ) ) {
class cmplz_cookie_blocker {
private static $_this;
public $cookie_list = [];
public $delete_cookies_list = [];
function __construct() {
if ( isset( self::$_this ) ) {
wp_die( sprintf( '%s is a singleton class and you cannot create a second instance.',
get_class( $this ) ) );
}
add_action( 'rest_api_init', array($this, 'cmplz_cookie_data_rest_route') );
add_action( 'init', array( $this, 'create_delete_cookies_list'));
add_action( 'send_headers', array( $this, 'delete_cookies'));
self::$_this = $this;
}
static function this() {
return self::$_this;
}
/**
* Get list of cookies for the cookie shredder
* @return void
*/
public function load_cookie_data(){
if ( cmplz_get_option( 'safe_mode' ) == 1 || cmplz_get_option( 'consent_per_service' ) !== 'yes' ) {
return;
}
$this->cookie_list = cmplz_get_transient('cmplz_cookie_shredder_list' );
if ( !$this->cookie_list ) {
$this->cookie_list = [];
$cookie_list = COMPLIANZ::$banner_loader->get_cookies( array(
'ignored' => false,
'hideEmpty' => false,
'language' => 'en', //only for one language
'showOnPolicy' => true,
'deleted' => false,
'isMembersOnly' => cmplz_get_option( 'wp_admin_access_users' ) === 'yes' ? 'all' : false,
) );
$this->get_cookies($cookie_list, 'preferences');
$this->get_cookies($cookie_list, 'statistics');
$this->get_cookies($cookie_list, 'marketing');
cmplz_set_transient('cmplz_cookie_shredder_list', $this->cookie_list, HOUR_IN_SECONDS);
}
}
/**
* Create a list of cookies that should be deleted
*
* @return void
*/
public function create_delete_cookies_list(){
if ( cmplz_get_option( 'safe_mode' ) == 1 || cmplz_get_option( 'consent_per_service' ) !== 'yes' ) {
return;
}
if ( is_admin() ) {
return;
}
$this->load_cookie_data();
$current_cookies = array_keys($_COOKIE);
foreach ( $this->cookie_list as $category => $cookies){
if ( cmplz_has_consent( $category)) continue;
if (!is_array($cookies) ) {
continue;
}
foreach ($cookies as $service => $cookie_list ) {
if (cmplz_has_service_consent($service)) continue;
foreach ($current_cookies as $key => $current_cookie ) {
$found = cmplz_strpos_arr($current_cookie, $cookie_list);
if ( $found ){
$this->delete_cookies_list[] = $current_cookie;
}
}
}
}
//ensure there are no duplicate arrays
$this->delete_cookies_list = array_unique($this->delete_cookies_list);
}
/**
* Clear cookies on header send
* @return void
*/
public function delete_cookies(){
$max = 20;
$count=0;
foreach ($this->delete_cookies_list as $name ) {
//limit header size by limiting number of cookies to delete in one go.
if ($count>$max) {
continue;
}
$count++;
unset($_COOKIE[$name]);
$name = $this->sanitize_cookie_name($name);
setcookie($name, "", -1, COMPLIANZ::$banner_loader->get_cookie_path() );
setcookie($name, "", -1, '/' );
}
}
/**
* Sanitize cookie name. Remove any characters that are not alphanumeric, underscore, or dash to prevent fatal errors in the setcookie function
*
* @param string $name
*
* @return string
*/
public function sanitize_cookie_name(string $name): string {
// Remove any characters that are not alphanumeric, underscore, or dash
return preg_replace('/[^a-zA-Z0-9_-]/', '', $name);
}
/**
* Add cookie data rest route
* @return void
*/
public function cmplz_cookie_data_rest_route() {
register_rest_route( 'complianz/v1', 'cookie_data/', array(
'methods' => 'GET',
'callback' => array( $this, 'cookie_data'),
'permission_callback' => '__return_true',
) );
}
/**
* Add cookies to list by category
*
* @param array $cookie_list
* @param string $category
*
* @return void
*/
public function get_cookies( $cookie_list, $category) {
if (is_array($cookie_list)) {
foreach ( $cookie_list as $cookie ) {
if ( stripos( $cookie->purpose, $category ) !== false ) {
$this->cookie_list[ $category ][ $this->sanitize_service_name( $cookie->service ) ][] = str_replace( '*', '', $cookie->name );
}
}
}
}
/**
* Get a blocked content notice
* @return string
*/
public function blocked_content_text(){
if (cmplz_get_option( 'consent_per_service' ) === 'yes') {
$agree_text = cmplz_get_option( 'agree_text_per_service' );
$placeholdertext = cmplz_get_option( 'blocked_content_text_per_service' );
$placeholdertext = '<div class="cmplz-blocked-content-notice-body">'.$placeholdertext.' <div class="cmplz-links"><a href="#" class="cmplz-link cookie-statement">{title}</a></div></div><button class="cmplz-accept-service">'.$agree_text.'</button>';
} else {
$placeholdertext = cmplz_get_option( 'blocked_content_text' );
}
return apply_filters('cmplz_accept_cookies_blocked_content', $placeholdertext);
}
/**
* REST API for cookie data
* @param WP_REST_Request $request
*/
public function cookie_data( WP_REST_Request $request ){
$this->load_cookie_data();
$response = json_encode( $this->cookie_list );
header( "Content-Type: application/json" );
echo $response;
exit;
}
/**
* Get array of scripts to block in correct format
* This is the base array, of which dependencies and placeholder lists also are derived
*
* @return array
*/
public function blocked_styles()
{
$blocked_styles = apply_filters( 'cmplz_known_style_tags', [] );
//make sure every item has the default array structure
foreach ($blocked_styles as $key => $blocked_style ){
$default = [
'name' => 'general',//default service name
'enable_placeholder' => 1,
'placeholder' => '',
'category' => 'marketing',
'urls' => array( $blocked_style ),
'enable' => 1,
'enable_dependency' => 0,
'dependency' => '',
];
if ( !is_array($blocked_style) ){
$service = cmplz_get_service_by_src( $blocked_style );
$default['name'] = $service;
$default['placeholder'] = $service;
$blocked_styles[$key] = $default;
} else {
$blocked_styles[$key] = wp_parse_args( $blocked_style, $default);
}
}
$formatted_custom_style_tags = [];
foreach ( $blocked_styles as $blocked_style ) {
$blocked_style['name'] = $this->sanitize_service_name($blocked_style['name']);
if ( isset($blocked_style['urls']) ) {
foreach ($blocked_style['urls'] as $url ) {
$formatted_custom_style_tags[$url] = $blocked_style;
}
} else if (isset($blocked_style['editor'])) {
$formatted_custom_style_tags[$blocked_style['editor']] = $blocked_style;
}
}
return $formatted_custom_style_tags;
}
/**
* Get array of scripts to block in correct format
* This is the base array, of which dependencies and placeholder lists also are derived
*
* @return array
*/
public function blocked_scripts()
{
$blocked_scripts = apply_filters( 'cmplz_known_script_tags', array() );
$scripts = get_option("complianz_options_custom-scripts");
if ( is_array($scripts) && isset($scripts['block_script']) && is_array($scripts['block_script']) ) {
$custom_script_tags = array_filter( $scripts['block_script'], function($script) {
return $script['enable'] == 1;
});
$blocked_scripts = array_merge($blocked_scripts, $custom_script_tags);
}
$blocked_scripts = apply_filters_deprecated( 'cmplz_known_iframe_tags', array($blocked_scripts), '6.0.0', 'cmplz_known_script_tags', 'The cmplz_known_iframe_tags filter is deprecated');
//make sure every item has the default array structure
foreach ($blocked_scripts as $key => $blocked_script ){
$default = [
'name' => 'general',//default service name
'enable_placeholder' => 1,
'placeholder' => '',
'category' => 'marketing',
'urls' => array( $blocked_script ),
'enable' => 1,
'enable_dependency' => 0,
'dependency' => '',
];
if ( !is_array($blocked_script) ){
$service = cmplz_get_service_by_src( $blocked_script );
$default['name'] = $service;
$default['placeholder'] = $service;
$blocked_scripts[$key] = $default;
} else {
$blocked_scripts[$key] = wp_parse_args( $blocked_script, $default);
}
}
$formatted_custom_script_tags = [];
foreach ( $blocked_scripts as $blocked_script ) {
$blocked_script['name'] = $this->sanitize_service_name($blocked_script['name']);
if ( cmplz_placeholder_disabled($blocked_script['name']) ) {
$blocked_script['enable_placeholder'] = 0;
}
if ( isset($blocked_script['urls']) ) {
foreach ($blocked_script['urls'] as $url ) {
$formatted_custom_script_tags[$url] = $blocked_script;
}
} else if (isset($blocked_script['editor'])) {
$formatted_custom_script_tags[$blocked_script['editor']] = $blocked_script;
}
}
return $formatted_custom_script_tags;
}
/**
* @param $title
*
* @return array|string|string[]
*/
public function sanitize_service_name($title) {
if (empty($title)) {
return 'general';
}
return cmplz_sanitize_title_preserve_uppercase($title);
}
/**
* Get array of placeholder - placeholder_classes for non iframe blocked content
* @param array $blocked_scripts
* @return array
*/
public function placeholder_markers( $blocked_scripts )
{
$placeholder_markers = apply_filters( 'cmplz_placeholder_markers', array() );
//current format: array('facebook' = array('class1','class2') )
//force into new structure
foreach ( $placeholder_markers as $name => $placeholders ) {
foreach ( $placeholders as $class ) {
$name = $this->sanitize_service_name($name);
$blocked_scripts[] = [
'name' => $name,
'placeholder' => $name,
'placeholder_class' => $class,
'category' => 'marketing',
'enable_placeholder' => 1,
'iframe' => 0,
];
}
}
//add script center data. add_script arrays aren't included in the "known_script_tags" function
$scripts = get_option("complianz_options_custom-scripts");
if ( is_array($scripts) && isset($scripts['add_script']) && is_array($scripts['add_script'] ) ) {
$added_scripts = array_filter( $scripts['add_script'], static function ( $script ) {
return $script['enable'] == 1;
} );
if (!empty($added_scripts)) $blocked_scripts = array_merge($blocked_scripts, $added_scripts);
}
//filter out non-iframe and disabled placeholders.
//'add_script' items do not have an iframe
return array_filter( $blocked_scripts, static function($script) {
return isset($script['enable_placeholder']) && $script['enable_placeholder'] == 1 && (!isset($script['iframe']) || $script['iframe'] == 0) && !empty($script['placeholder_class']);
});
}
/**
* Get dependencies and merge with dependencies from the script center
* @param array $blocked_scripts
* @return array
*/
function dependencies( $blocked_scripts ) {
//array['wait-for-this-script'] = 'script-that-should-wait';
$dependencies = apply_filters( 'cmplz_dependencies', array() );
$scripts = get_option( "complianz_options_custom-scripts" );
if ( is_array( $scripts ) && isset( $scripts['block_script'] ) && is_array( $scripts['block_script'] ) ) {
$added_scripts = array_filter( $scripts['block_script'], function ( $script ) {
return $script['enable'] == 1;
} );
$blocked_scripts = array_merge($blocked_scripts, $added_scripts);
}
$blocked_scripts = array_filter( $blocked_scripts, function ( $script ) {
return isset($script['enable_dependency']) && $script['enable_dependency'] == 1 && !empty($script['dependency']);
} );
$flat = array();
foreach ( $blocked_scripts as $data ) {
$flat = array_merge($flat, $data['dependency']);
}
return array_merge($dependencies, $flat);
}
/**
* Get array of whitelisted scripts, and add flattened scriptcenter whitelist
*
* @return array
*/
public function whitelisted_scripts( ) {
//whitelist our localized inline scripts
$whitelisted_script_tags = apply_filters( 'cmplz_whitelisted_script_tags', array('user_banner_id') );
$scripts = get_option("complianz_options_custom-scripts");
if ( is_array($scripts) && isset($scripts['whitelist_script']) && is_array($scripts['whitelist_script']) ) {
$custom_whitelisted_script_tags = array_filter( $scripts['whitelist_script'], function($script) {
return $script['enable'] == 1;
});
//flatten array
$flat = array();
foreach ( $custom_whitelisted_script_tags as $data ) {
$flat = array_merge($flat, $data['urls']);
}
$whitelisted_script_tags = array_merge($flat, $whitelisted_script_tags );
}
return $whitelisted_script_tags;
}
/**
* Apply the mixed content fixer.
*
* @since 1.0
*
* @access public
*
*/
public function filter_buffer( $buffer ) {
if ( cmplz_is_amp() ) {
$buffer = apply_filters( 'cmplz_cookieblocker_amp', $buffer );
} else {
$buffer = $this->replace_tags( $buffer );
}
return $buffer;
}
/**
* Start buffering the output
*
* @since 1.0
*
* @access public
*
*/
public function start_buffer() {
/**
* Don't activate the cookie blocker is AMP is active, but the AMP integration is not enabled
* This problem only occurs for manually included iframes, not for WP generated embeds
*/
if ( cmplz_is_amp_endpoint() && !cmplz_amp_integration_active() ) {
return;
}
ob_start( array( $this, "filter_buffer" ) );
}
/**
* Flush the output buffer
*
* @since 1.0
*
* @access public
*
*/
public function end_buffer() {
/**
* Don't activate the cookie blocker is AMP is active, but the AMP integration is not enabled
*/
if ( cmplz_is_amp_endpoint() && !cmplz_amp_integration_active() ) {
return;
}
if ( ob_get_length() ) {
ob_end_flush();
}
}
/**
* Just before the page is sent to the visitor's browser, remove all tracked third party scripts
*
* @since 1.0
*
* @access public
*
*/
public function replace_tags( $output ) {
/**
* Get style tags
*
* */
$known_style_tags = $this->blocked_styles();
/**
* Get script tags, including custom user scripts
*
* */
$blocked_scripts = cmplz_get_transient('cmplz_blocked_scripts');
if ( isset($_GET['cmplz_nocache']) ) {
$blocked_scripts = false;
}
if ( !$blocked_scripts ) {
$blocked_scripts = $this->blocked_scripts();
cmplz_set_transient('cmplz_blocked_scripts', $blocked_scripts, 30 * MINUTE_IN_SECONDS );
}
/**
* Get placeholder markers for non iframe blocked content
*/
$placeholder_markers = $this->placeholder_markers( $blocked_scripts );
/**
* Get whitelisted script tags
*
* */
$whitelisted_script_tags = $this->whitelisted_scripts();
/**
* Get dependencies between scripts
*
* */
$dependencies = $this->dependencies( $blocked_scripts );
/**
* Get list of tags that require post scribe to be enabled on the page. Currently only for instawidget.js
*
* */
$post_scribe_list = apply_filters( 'cmplz_post_scribe_tags', array() );
//not meant as a "real" URL pattern, just a loose match for URL type strings.
//edit: instagram uses ;width, so we need to allow ; as well.
$url_pattern = '([\w.,;ß@?^=%&:()\/~+#!\-*]*?)';
/**
* Handle images from third party services, e.g. google maps
*
* */
$image_tags = apply_filters( 'cmplz_image_tags', array() );
$image_pattern = '/<img.*?src=[\'|"](\X*?)[\'|"].*?>/s'; //matches multiline with s operater, for FB pixel
if ( preg_match_all( $image_pattern, $output, $matches, PREG_PATTERN_ORDER )
) {
foreach ( $matches[1] as $key => $image_url ) {
$total_match = $matches[0][ $key ];
$found = cmplz_strpos_arr( $image_url, $image_tags );
if ( $found !== false ) {
$placeholder = cmplz_placeholder( false, $image_url );
$service_name = cmplz_get_service_by_src( $image_url );
$service_name = !$service_name ? 'general' :$service_name;
$new = $total_match;
$new = $this->add_data( $new, 'img', 'src-cmplz', $image_url );
$new = $this->add_data( $new, 'img', 'service', $service_name );
$new = $this->add_data( $new, 'img', 'category', 'marketing' );
//remove lazy loading for images, as it is breaking on activation
$new = str_replace('loading="lazy"', 'data-deferlazy="1"', $new );
$new = $this->add_class( $new, 'img', apply_filters( 'cmplz_image_class', 'cmplz-image', $total_match, $found ) );
$new = $this->replace_src( $new, apply_filters( 'cmplz_source_placeholder', $placeholder ) );
$new = apply_filters('cmplz_image_html', $new, $image_url);
if ( cmplz_use_placeholder( $image_url ) ) {
$new = $this->add_class( $new, 'img', " cmplz-placeholder-element " );
$new = '<div class="cmplz-placeholder-parent">' . $new . '</div>';
}
$output = str_replace( $total_match, $new, $output );
}
}
}
/**
* Handle styles (e.g. google fonts)
*
* */
$style_pattern = '/<link.*?rel=[\'|"]stylesheet[\'|"][^>].*?href=[\'|"](\X*?)[\'|"][^>]*?>/i';
if ( preg_match_all( $style_pattern, $output, $matches, PREG_PATTERN_ORDER ) ) {
foreach ( $matches[1] as $key => $style_url ) {
$total_match = $matches[0][ $key ];
//we don't block scripts with the functional data attribute
if ( strpos( $total_match, 'data-category="functional"' ) !== false ) {
continue;
}
//check if we can skip blocking this array if a specific string is included
if ( cmplz_strpos_arr($total_match, $whitelisted_script_tags) ) {
continue;
}
$found = cmplz_strpos_arr( $style_url, array_keys($known_style_tags) );
if ( $found !== false ) {
$match = $known_style_tags[$found];
$new = $total_match;
$service_name = $this->sanitize_service_name($match['name']);
$new = $this->add_data( $new, 'link', 'category', apply_filters('cmplz_service_category', $match['category'], $total_match, $found) );
$new = $this->add_data( $new, 'link', 'service', $service_name );
$new = $this->replace_href( $new );
$output = str_replace( $total_match, $new, $output );
}
}
}
/**
* Handle iframes from third parties
*
* */
//the iframes URL pattern allows for a space, which may be included in a Google Maps embed.
$iframe_pattern = '/<(iframe)[^>].*?src=[\'"](.*?)[\'"].*?>.*?<\/iframe>/is';
if ( preg_match_all( $iframe_pattern, $output, $matches, PREG_PATTERN_ORDER ) ) {
foreach ( $matches[0] as $key => $total_match ) {
$iframe_src = $matches[2][ $key ];
if ( ( $tag_key = cmplz_strpos_arr($iframe_src, array_keys($blocked_scripts)) ) !== false ) {
$tag = $blocked_scripts[$tag_key];
if ($tag['category']==='functional') {
continue;
}
$is_video = $this->is_video( $iframe_src );
$service_name = $this->sanitize_service_name($tag['name']);
$new = $total_match;
$new = preg_replace( '~<iframe\\s~i', '<iframe data-cmplz-target="'.apply_filters('cmplz_data_target', 'src', $total_match).'" data-src-cmplz="' . $iframe_src . '" ', $new , 1 ); // make sure we replace it only once
//remove lazy loading for iframes, as it is breaking on activation
$new = str_replace('loading="lazy"', 'data-deferlazy="1"', $new );
//check if we can skip blocking this array if a specific string is included
if ( cmplz_strpos_arr($total_match, $whitelisted_script_tags) ) continue;
//we insert video/no-video class for specific video styling
$video_class = $is_video ? 'cmplz-video' : 'cmplz-no-video';
$video_class = apply_filters( 'cmplz_video_class', $video_class );
$new = $this->replace_src( $new, apply_filters( 'cmplz_source_placeholder', 'about:blank' ) );
$new = $this->add_class( $new, 'iframe', "cmplz-iframe cmplz-iframe-styles $video_class " );
$new = $this->add_data( $new, 'iframe', 'service', $service_name );
$new = $this->add_data( $new, 'iframe', 'category', $tag['category'] );
if ( cmplz_use_placeholder( $iframe_src ) ) {
$placeholder = cmplz_placeholder($tag['placeholder'], $iframe_src );
$new = $this->add_class( $new, 'iframe', "cmplz-placeholder-element" );
$new = $this->add_data( $new, 'iframe', 'placeholder-image', $placeholder );
//allow for integrations to override html
$new = apply_filters( 'cmplz_iframe_html', $new );
//make sure there is a parent element which contains this iframe only, to attach the placeholder to
if ( ! $is_video
&& ! $this->no_div( $iframe_src )
) {
$new = '<div class="cmplz-placeholder-parent">' . $new . '</div>';
}
}
$output = str_replace( $total_match, $new, $output );
}
}
}
/**
* specific classic wp video shortcode integration
*/
if ( cmplz_uses_thirdparty('youtube') || cmplz_uses_thirdparty('vimeo') ) {
$iframe_pattern = '/<video class="wp-video-shortcode".*?<(source) type="video.*?src="(.*?)".*?>.*?<\/video>/is';
if ( preg_match_all( $iframe_pattern, $output, $matches, PREG_PATTERN_ORDER ) ) {
foreach ( $matches[0] as $key => $total_match ) {
$iframe_src = $matches[2][ $key ];
if ( ( $tag_key = cmplz_strpos_arr( $iframe_src, array_keys( $blocked_scripts ) ) ) !== false ) {
$tag = $blocked_scripts[ $tag_key ];
if ( $tag['category'] === 'functional' ) {
continue;
}
$service_name = sanitize_title( $tag['name'] );
$new = $total_match;
//check if we can skip blocking this array if a specific string is included
if ( cmplz_strpos_arr( $total_match, $whitelisted_script_tags ) ) {
continue;
}
//we add an additional class to make it possible to link some css to the blocked html.
$video_class_pattern = '/(["| ])(wp-video)(["| ])/is';
$output = preg_replace( $video_class_pattern, '$1wp-video cmplz-wp-video$3', $output );
$video_class = apply_filters( 'cmplz_video_class', 'cmplz-video' );
$new = $this->add_class( $new, 'video', " $video_class " );
$new = $this->add_data( $new, 'video', 'service', $service_name );
$new = $this->add_data( $new, 'video', 'category', $tag['category'] );
$new = str_replace( array( 'wp-video-shortcode', 'controls="controls"' ), array( 'cmplz-wp-video-shortcode', '' ), $new );
if ( cmplz_use_placeholder( $iframe_src ) ) {
$placeholder = cmplz_placeholder( $tag['placeholder'], $iframe_src );
$new = $this->add_class( $new, 'video', "cmplz-placeholder-element" );
$new = $this->add_data( $new, 'video', 'placeholder-image', $placeholder );
//allow for integrations to override html
$new = apply_filters( 'cmplz_source_html', $new );
}
$output = str_replace( $total_match, $new, $output );
}
}
}
}
/**
* set non iframe placeholders
*
* */
if ( cmplz_use_placeholder() ) {
foreach ( $placeholder_markers as $placeholder ) {
//placeholder class can be comma separated list e.g. facebook service integration
$classes = array_map('trim', explode(',',$placeholder['placeholder_class']) );
foreach ( $classes as $placeholder_class ) {
$placeholder_pattern = '/<(a|section|div|blockquote|twitter-widget)*[^>]*(id|class)=[\'" ]*[^>]*(' . $placeholder_class . ')[\'" ].*?>/is';
if ( preg_match_all( $placeholder_pattern, $output, $matches, PREG_PATTERN_ORDER ) ) {
foreach ( $matches[0] as $key => $html_match ) {
$el = $matches[1][ $key ];
if ( ! empty( $el ) ) {
$type = $placeholder['placeholder'];
$new_html = $this->add_data( $html_match, $el, 'placeholder-image', cmplz_placeholder( $type, $placeholder_class ) );
$new_html = $this->add_data( $new_html, $el, 'category', $placeholder['category'] );
$new_html = $this->add_data( $new_html, $el, 'service', $placeholder['name'] );
$new_html = $this->add_class( $new_html, $el, "cmplz-placeholder-element" );
$output = str_replace( $html_match, $new_html, $output );
}
}
}
}
}
}
/**
* Handle scripts from third parties
*
* */
$script_pattern = '/(<script.*?>)(\X*?)<\/script>/is';
$index = 0;
if ( preg_match_all( $script_pattern, $output, $matches, PREG_PATTERN_ORDER ) ) {
foreach ( $matches[1] as $key => $script_open ) {
//we don't block scripts with the functional data attribute
if ( strpos( $script_open, 'data-category="functional"' ) !== false ) {
continue;
}
//exclude ld+json
if ( strpos( $script_open, 'application/ld+json' ) !== false ) {
continue;
}
//check if we can skip blocking this array if a specific string is included
$total_match = $matches[0][ $key ];
$content = $matches[2][ $key ];
if ( cmplz_strpos_arr($total_match, $whitelisted_script_tags) ) {
continue;
}
//if there is inline script here, it has some content
if ( ! empty( $content ) )
{
if ( strpos( $content, 'avia_preview' ) !== false ) {
continue;
}
$found = cmplz_strpos_arr( $content, array_keys($blocked_scripts) );
if ( $found !== false ) {
$match = $blocked_scripts[$found];
$service_name = $this->sanitize_service_name($match['name']);
$new = $total_match;
$category = apply_filters_deprecated( 'cmplz_script_class', array($match['category'], $total_match, $found), '6.0.0', 'cmplz_service_category', 'The cmplz_script_class filter has been deprecated since 6.0');
$category = apply_filters('cmplz_service_category', $category, $total_match, $found);
//skip if functional
if ( $category === 'functional' ) {
continue;
}
$new = $this->add_data( $new, 'script', 'category', $category );
$new = $this->add_data( $new, 'script', 'service', $service_name );
$new = $this->set_javascript_to_plain( $new );
$waitfor = cmplz_strpos_arr( $content, $dependencies );
if ( $waitfor !== false ) {
$new = $this->add_data( $new, 'script', 'waitfor', $waitfor );
}
$output = str_replace( $total_match, $new, $output );
}
}
//when script contains src
$script_src_pattern = '/<script[^>]*?src=[\'"]' . $url_pattern . '[\'"].*?>/is';
if ( preg_match_all( $script_src_pattern, $total_match, $src_matches, PREG_PATTERN_ORDER ) ) {
foreach ( $src_matches[1] as $src_key => $script_src ) {
$script_src = $src_matches[1][ $src_key ];
$found = cmplz_strpos_arr( $script_src, array_keys($blocked_scripts) );
if ( $found !== false ) {
$match = $blocked_scripts[$found];
$new = $total_match;
$service_name = $this->sanitize_service_name($match['name']);
$category = apply_filters_deprecated( 'cmplz_script_class', array($match['category'], $total_match, $found), '6.0.0', 'cmplz_service_category', 'The cmplz_script_class filter has been deprecated since 6.0');
$new = $this->add_data( $new, 'script', 'category', apply_filters('cmplz_service_category', $category, $total_match, $found) );
$new = $this->add_data( $new, 'script', 'service', $service_name );
//native scripts don't have to be blocked
if ( strpos( $new, 'data-category="functional"' ) === false
) {
$new = $this->set_javascript_to_plain( $new );
$new = str_replace( 'src=', 'data-cmplz-src=', $new );
if ( cmplz_strpos_arr( $found, $post_scribe_list )
) {
//will be to late for the first page load, but will enable post scribe on next page load
if (!get_option('cmplz_post_scribe_required')) {
update_option('cmplz_post_scribe_required', true);
}
$index ++;
$new = $this->add_data( $new, 'script', 'post_scribe_id', 'cmplz-ps-' . $index );
$new .= '<div class="cmplz-blocked-content-container">'
. COMPLIANZ::$cookie_blocker->blocked_content_text()
. '<div id="cmplz-ps-' . $index . '"><img src="' . cmplz_placeholder( 'div' ) . '"></div></div>';
}
//maybe add dependency
$waitfor = cmplz_strpos_arr( $script_src, $dependencies );
if ( $waitfor !== false ) {
$new = $this->add_data( $new, 'script', 'waitfor', $waitfor );
}
}
$output = str_replace( $total_match, $new, $output );
}
}
}
}
}
//add a marker so we can recognize if this function is active on the front-end
$id = 1;
if ( cmplz_get_option( 'consent_per_service' ) === 'yes' ) {
$id = 2;
}
$output = str_replace( "<body ", "<body data-cmplz=$id ", $output );
return apply_filters('cmplz_cookie_blocker_output', $output);
}
/**
* Set the javascript attribute of a script element to plain
*
* @param string $script
*
* @return string
*/
private function set_javascript_to_plain( string $script ): string {
//check if it's already set to plain
if ( strpos( $script, 'text/plain')!== false ) {
return $script;
}
// Check text/javascript
$pattern = '/<script[^>].*?\K(type=[\'|\"]text\/javascript[\'|\"])(?=.*>)/i';
preg_match( $pattern, $script, $matches );
if ( $matches ) {
return preg_replace( $pattern, 'type="text/plain"', $script, 1 );
}
// Check type="module"
$pattern_module = '/(<script[^>]*?)(type=[\'|\"]module[\'|\"])([^>]*?>)/i';
preg_match($pattern_module, $script, $matches_module);
if ($matches_module) {
return preg_replace($pattern_module, '$1 type="text/plain" data-script-type="module" $3', $script, 1);
}
$pos = strpos( $script, "<script" );
if ( $pos !== false ) {
return substr_replace( $script, '<script type="text/plain"', $pos, strlen( "<script" ) );
}
return $script;
}
/**
* replace the src attribute with a placeholder of choice
*
* @param string $script
* @param string $new_src
*
* @return string
*/
private function replace_src( $script, $new_src ) {
$pattern = '/src=[\'"](http:\/\/|https:\/\/|\/\/)([\s\wêëèéēėęàáâæãåāäöôòóœøüÄÖÜß.,@!?^=%&:\/~+#-;]*[\w@!?^=%&\/~+#-;]?)[\'"]/i';
$new_src = ' src="' . $new_src . '" ';
preg_match( $pattern, $script, $matches );
$script = preg_replace( $pattern, $new_src, $script );
return $script;
}
/**
* replace the href attribute with a data-href attribute
*
* @param string $link
*
* @return string
*/
private function replace_href( $link ) {
return str_replace( 'href=', 'data-href=', $link );
}
/**
* Add a class to an HTML element
*
* @param string $html
* @param string $el
* @param string $class
*
* @return string
*/
public function add_class( $html, $el, $class ) {
$classes = array_filter( explode(' ', $class) );
preg_match( '/<' . $el . '[^\>]*[^\>\S]+\K(class=")(.*)"/i', $html, $matches );
if ( $matches ) {
foreach ($classes as $class){
//check if class is already added
if (strpos($matches[2], $class) === false && strlen(trim($class))>0) {
$html = preg_replace( '/<' . $el . '[^\>]*[^\>\S]+\K(class=")/i', 'class="' . esc_attr($class) . ' ', $html, 1 );
}
}
} else {
$pos = strpos( $html, "<$el" );
if ( $pos !== false ) {
$html = substr_replace( $html,
'<' . $el . ' class="' . esc_attr($class) . '"', $pos,
strlen( "<$el" ) );
}
}
return $html;
}
/**
* Add a data attribute to an html element
*
* @param string $html
* @param string $el
* @param string $id
* @param string $content
*
* @return string $html
*/
public function add_data( $html, $el, $id, $content ) {
$content = esc_attr( $content );
$id = esc_attr( $id );
$pattern = '/<'.$el.'[^>].*?\K(data-'.preg_quote($id, '/').'=[\'|\"]'.preg_quote($content, '/').'[\'|\"])(?=.*>)/i';
preg_match( $pattern, $html, $matches );
if ( !$matches ) {
$pos = strpos( $html, "<$el" );
if ( $pos !== false ) {
$html = substr_replace( $html, '<' . $el . ' data-' . $id . '="' . $content . '"', $pos, strlen( "<$el" ) );
}
}
return $html;
}
/**
* Check if this iframe source is a video
*
* @param $iframe_src
*
* @return bool
*/
private function is_video( $iframe_src ) {
if ( strpos( $iframe_src, 'dailymotion' ) !== false
|| strpos( $iframe_src, 'youtube' ) !== false
|| strpos( $iframe_src, 'vimeo' ) !== false
) {
return true;
}
return false;
}
/**
* Check if this iframe source is soundcloud
*
* @param $iframe_src
*
* @return bool
*/
private function no_div( $iframe_src ) {
if ( strpos( $iframe_src, 'soundcloud' ) !== false ) {
return true;
}
return false;
}
}
}
عالم تحت المجهر الرقمي…عندما تكتب، هناك من يتذكر ويراقب – tahkoom.com
كتبت ميرنا أشرف
ظاهرة تثير جدل بدأ يلاحظها مستخدمي تطبيق “شات جي بي تي” وهي أن التطبيق ينادي المستخدمين بأسمائهم الاولى اثناء المحادثات وتلقي المعلومات منه رغم انهم لم يخبروه بها مسبقا، نظرا لما قالته احد لمستخدمين لتطبيق الذكاء الاصطناعي “شات جي بي تي”، انها كانت تسأله عن معلومات بشكل طبيعي دون ان تذكر أي أسماء .
فوجئت بأن التطبيق رد عليها مستخدما اسمها واسم صديقتها، رغم أنها لم تصرح عنهما مطلقا في اي محادثه سابقه من محادثاتها. هذا الموقف أثار جدل حول مدي قدرة الذكاء الاصطناعي على الوصول إلى معلومات شخصية وخفيه، مما يثير مخاوف تعلق بالخصوصية واستخدام الذاكرة .
إن صنع نظام آلي قادر على تكوين ذاكرة اجتماعية عن البشر لم يعد مجرد تحد تقني… بل أصبح واقعًا مخيفًا، لأن ليس محور الكلام هنا عن مجرد جهاز بيخزن بيانات، نحن نتحدث عن آلة بتراقب، وبتحلل، وبتتعلم بصمت؛ الأهم من ذلك هو حقيقة أنه عندما نتحدث الي ذلك النظام ويرد على المستخدم بردود غير متوقعه وكأنه يعرفه ويتتبعه. هذه عملية لم يتمكن المستخدمين من تفسيرها .
تمييز الذكاء الاصطناعي
بما يتعلق بنظام الذكاء الاصطناعي أوضح هشام عبدالعال أستاذ في مجال التكنولوجيا، أن الذكاء الاصطناعي لم يعد مجرد أداة تقنية تقتصر على تحليل البيانات وتقديم ردود بشكل الي ولكنه أصبح مع مرور الوقت لديه قدرة على تكوين ذاكرة اجتماعية عن المستخدمين وذلك عن طريق تحليل سلوكهم واختياراتهم واسلوب حديثهم .
مضيفاً، أن نظام الذكاء الاصطناعي الذي يوجد داخل التطبيق لا يصنف الخلفيات الاجتماعية بشكل مباشر، لكنه يتعامل حسب اللغة المستخدمة عامية أو فصحى، لكن التطبيق لا يميز بين طالب أو ربة منزل أو حتى عامل بشكل مباشر، بل يتعامل مع نوعية الأسئلة والأسلوب المقدمة له .
وتابع عبدالعال، لكن في حاله وجود أكثر من شخص يستخدم نفس الجهاز أو الحساب الردود ستكون متأثرة بالسياق السابق، أو ممكن ذلك يعطي إحساس أن الآلة متذكره أو بتتفاعل بشكل مختلف، لكن بمجرد إنهاء المحادثة أو حذفها، فسيتم غلط المحادثة .
هل تتذكر الآلة؟
اتفق معه في الرأي الأستاذ عمر أشرف، أستاذ في التكنولوجيا، مضيفاً أنه رسميًا، الذكاء الاصطناعي مثل تطبيق شآت جي بي تي لا يحتفظ بتفاصيل شخصية عن المستخدم إلا إذا المستخدم فعل خاصية الذاكرة بشكل واضح .
لكن هناك مستخدمين لاحظوا أن النموذج يناديهم بأسمائهم بدون ما يقدموها بشكل مباشر، وذلك فتح باب للشك حول وجود نوع من التتبع الخفي أو آلية لتجميع الأنماط السلوكية من وراء الكواليس .
بيانات تجمع بصمت
وفيما يتعلق بالأمن السيبراني يري الطرفان، انه يوجد تحديات تواجه الأمن السيبراني في ذلك الموضوع فتكوين هذه الذاكرة يكون عن طريق جمع بيانات شخصية وسلوكية دقيقة للغاية وغالبًا ما يتم ذلك دون إدراك المستخدم الكامل كما تشمل هذه البيانات أنماط الكتابة، نوعية الأسئلة بل وقد تكشف ما بين السطور عن خلفيات نفسية أو اجتماعية
ضافوا، أنه على الرغم من أن بعض الشركات تبرر استخدام البيانات وذلك لتحسين تجربة المستخدم إلا إن غياب الشفافية يفتح الباب للتتبع غير المباشر للهوية .
وفي حالة استخدام الذكاء الاصطناعي بدون رقابة صارمة أو قوانين واضحة من الممكن ان تتحول هذه الذاكرة إلى ملف شخصي خفي وذلك قابل لاستغلاله في اغراض تجارية أو سياسية أو أمنيه .
الذكاء الاصطناعي لم يعد مجرد أداة، بل أصبح قادر على تكوين صورة آلية عن المستخدم دون علمه، وبينما يعد هذا تطور تقني كبير، فإن غياب الرقابة يثير مخاوف حقيقية حول الخصوصية واستخدام البيانات الشخصية، مما يتطلب ضوابط صارمة تحمي المستخدم قبل أن تتحول التقنية إلى مخاطر خفيه.
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