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<?php
/**
* iubenda.class.php
*
* @author iubenda s.r.l
* @copyright 2018-2020, iubenda s.r.l
* @license GNU/GPL
* @version 4.1.15
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
class iubendaParser {
// variables
const IUB_REGEX_PATTERN = '/<!--\s*IUB_COOKIE_POLICY_START\s*-->(.*?)<!--\s*IUB_COOKIE_POLICY_END\s*-->/s';
const IUB_REGEX_PATTERN_2 = '/<!--\s*IUB-COOKIE-BLOCK-START\s*-->(.*?)<!--\s*IUB-COOKIE-BLOCK-END\s*-->/s';
const IUB_REGEX_PURPOSE_PATTERN = '/<!--\s*IUB-COOKIE-BLOCK-START-PURPOSE-(\d+)\s*-->(.*?)<!--\s*IUB-COOKIE-BLOCK-END-PURPOSE-\d+\s*-->/s';
const IUB_REGEX_SKIP_PATTERN = '/<!--\s*IUB-COOKIE-BLOCK-SKIP-START\s*-->(.*?)<!--\s*IUB-COOKIE-BLOCK-SKIP-END\s*-->/s';
// scripts
public $auto_script_tags = array();
// iframes
public $auto_iframe_tags = array();
// purposes
public $purposes = array();
// Listeners to do special handling
private $observers = array(
'google-analytics.com/analytics.js' => array(
'GoogleAnalyticsListener'
),
'www.googletagmanager.com/gtag/js' => array(
'GoogleTagManagerListener'
)
);
// per-purpose scripts
public $script_tags = array(
// Strictly necessary
1 => array(),
// Basic interactions & functionalities
2 => array(
'apis.google.com/js/api.js',
'cse.google.com/cse.js',
'loader.engage.gsfn.us/loader.js',
'headwayapp.co/widget.js',
'wchat.freshchat.com',
'widget.uservoice.com',
'UserVoice.push',
'static.olark.com/jsclient/loader0.js',
'cdn.elev.io',
'paypalobjects.com/js/external/api.js',
'paypalobjects.com/api/checkout.js'
),
// Experience enhancement
3 => array(
'apis.google.com/js/plusone.js',
'apis.google.com/js/client/plusone.js',
'apis.google.com/js/platform.js',
'www.youtube.com/iframe_api',
'youtu.be',
'platform.twitter.com/widgets.js',
'instawidget.net/js/instawidget.js',
'disqus.com/embed.js',
'platform.linkedin.com/in.js',
'pinterest.com/js/pinit.js',
'codepen.io',
'addthis.com/js/',
'bat.bing.com',
'connect.facebook.net'
),
// Analytics
4 => array(
'sharethis.com/button/buttons.js',
'scorecardresearch.com/beacon.js',
'neodatagroup.com',
'lp4.io',
'cdn.optimizely.com/js/',
'cdn.segment.io/analytics.js',
'cdn.segment.com/analytics.js',
'i.kissmetrics.com/i.js',
'cdn.mxpnl.com',
'rum-static.pingdom.net/prum.min.js',
'google-analytics.com/analytics.js',
'www.googletagmanager.com/gtag/js'
),
// Targeting & Advertising
5 => array(
'googlesyndication.com/pagead/js/adsbygoogle.js',
'securepubads.g.doubleclick.net/tag/js/gpt.js',
'googlesyndication.com/pagead/show_ads.js',
'googleadservices.com/pagead/conversion.js',
'window.adsbygoogle',
'static.ads-twitter.com',
'static.criteo.net/js/',
'adagionet.com/uploads/js/sipra.js',
'cdn-wx.rainbowtgx.com/rtgx.js',
'outbrain.js',
's.adroll.com',
'scdn.cxense.com'
)
);
// per-purpose iframes
public $iframe_tags = array(
// Strictly necessary
1 => array(),
// Basic interactions & functionalities
2 => array(),
// Experience enhancement
3 => array(
'apis.google.com',
'maps.google.it/maps',
'maps.google.com/maps',
'www.google.com/maps/embed',
'youtube.com',
'platform.twitter.com',
'player.vimeo.com',
'www.facebook.com/plugins/like.php',
'www.facebook.com/*/plugins/like.php',
'www.facebook.com/plugins/likebox.php',
'www.facebook.com/*/plugins/likebox.php'
),
// Analytics
4 => array(),
// Targeting & Advertising
5 => array(
'window.adsbygoogle',
'4wnet.com'
)
);
private $type = 'page';
private $amp = false;
public $iub_comments_detected = array();
public $skipped_comments_detected = array();
public $iframes_skipped = array();
public $iframes_detected = array();
public $iframes_converted = array();
public $scripts_el = array();
public $scripts_skipped = array();
public $scripts_detected = array();
public $scripts_converted = array();
public $scripts_inline_skipped = array();
public $scripts_inline_detected = array();
public $scripts_inline_converted = array();
private $iub_empty = '//cdn.iubenda.com/cookie_solution/empty.html';
private $iub_class = '_iub_cs_activate';
private $iub_class_inline = '_iub_cs_activate-inline';
private $iub_class_skip = '_iub_cs_skip';
/**
* @var mixed
*/
private $original_content_page;
/**
* @var mixed
*/
private $content_page;
/**
* Construct: the whole HTML output of the page
*
* @param mixed $content_page
* @param array $args
*/
public function __construct( $content_page = '', $args = array() ) {
// valid type?
$this->type = ! empty( $args['type'] ) && in_array( $args['type'], array( 'page', 'faster' ), true ) ? $args['type'] : 'page';
// amp support>
$this->amp = (bool) ( isset( $args['amp'] ) && $args['amp'] === true );
// load Simple HTML DOM if needed
if ( ! function_exists( 'file_get_html' ) || ! function_exists( 'str_get_html' ) )
require_once( dirname( __FILE__ ) . '/simple_html_dom.php' );
// set content
$this->original_content_page = $content_page;
$this->content_page = $content_page;
// get purposes
$this->purposes = self::get_purposes();
// check for additional scripts
if ( ! empty( $args['scripts'] ) && is_array( $args['scripts'] ) ) {
// array is not multidimensional, backward compatibility, so block it
if ( ! is_array( reset( $args['scripts'] ) ) ) {
$this->auto_script_tags = array_merge( $this->auto_script_tags, $args['scripts'] );
// array is multidimensional, assign per purpose
} else {
// block unassigned script
if ( array_key_exists( 0, $args['scripts'] ) ) {
$this->auto_script_tags = array_merge( $this->auto_script_tags, $args['scripts'][0] );
unset( $args['scripts'][0] );
}
$this->script_tags = $this->array_merge_custom( $this->script_tags, $args['scripts'] );
}
}
// check for additional iframes
if ( ! empty( $args['iframes'] ) && is_array( $args['iframes'] ) ) {
// array is not multidimensional, backward compatibility, so assign block it
if ( ! is_array( reset( $args['iframes'] ) ) ) {
$this->auto_iframe_tags = array_merge( $this->auto_iframe_tags, $args['iframes'] );
// array is multidimensional, assign per purpose
} else {
// block unassigned script
if ( array_key_exists( 0, $args['iframes'] ) ) {
$this->auto_iframe_tags = array_merge( $this->auto_iframe_tags, $args['iframes'][0] );
unset( $args['iframes'][0] );
}
$this->iframe_tags = $this->array_merge_custom( $this->iframe_tags, $args['iframes'] );
}
}
// get script tags to block
$this->auto_script_tags = array_unique( self::get_script_tags() );
// get iframes tags to block
$this->auto_iframe_tags = array_unique( self::get_iframe_tags() );
}
/**
* Static, detect bot & crawler
*
* @return bool
*/
static function bot_detected() {
return ( isset( $_SERVER['HTTP_USER_AGENT'] ) && preg_match( '/bot|crawl|slurp|spider|google|yahoo/i', $_SERVER['HTTP_USER_AGENT'] ) );
}
/**
* Static, utility function: Return true if the user has already given consent on the page
*
* @return boolean
*/
static function consent_given() {
$consent_given = false;
foreach ( $_COOKIE as $key => $value ) {
$found = self::strpos_array( $key, array( '_iub_cs-s', '_iub_cs' ) );
if ( $found !== false ) {
$consent_data = json_decode( stripslashes( $value ), true );
// read cookie value if given
if ( isset( $consent_data['consent'] ) && $consent_data['consent'] == true )
$consent_given = true;
// read purposes if given
if ( ! empty( $consent_data['purposes'] ) && is_array( $consent_data['purposes'] ) ) {
// all purposes accepted, consent given
if ( ! in_array( false, $consent_data['purposes'] ) )
$consent_given = true;
}
}
}
return $consent_given;
}
/**
* Get user accepted purposes.
*
* @return array
*/
static function get_purposes() {
$purposes = array();
if ( ! empty( $_COOKIE ) ) {
foreach ( $_COOKIE as $key => $value ) {
$found = self::strpos_array( $key, array( '_iub_cs-s', '_iub_cs' ) );
if ( $found !== false ) {
$consent_data = json_decode( $value, true );
// read purposes if given
if ( ! empty( $consent_data['purposes'] ) && is_array( $consent_data['purposes'] ) )
$purposes = $consent_data['purposes'];
}
}
}
return $purposes;
}
/**
* Get script tags to be blocked.
*
* @return array
*/
private function get_script_tags() {
$tags = $this->auto_script_tags;
foreach ( $this->script_tags as $purpose_id => $tags_list ) {
// empty tags list, go to another
if ( empty( $tags_list ) )
continue;
// purposes available, filter per purpose
if ( ! empty( $this->purposes ) ) {
// don't block scripts unavailable in the user purposes
// if ( array_key_exists( $purpose_id, $this->purposes ) && $this->purposes[$purpose_id] == false ) {
// block scripts unavailable in the user purposes
if ( ! isset( $this->purposes[$purpose_id] ) || $this->purposes[$purpose_id] == false ) {
foreach ( $tags_list as $tag ) {
$tags[] = $tag;
}
}
// no purposes yet, just add all scripts
} else {
foreach ( $tags_list as $tag ) {
$tags[] = $tag;
}
}
}
return $tags;
}
/**
* Get iframe tags to be blocked.
*
* @return array
*/
private function get_iframe_tags() {
$tags = $this->auto_iframe_tags;
foreach ( $this->iframe_tags as $purpose_id => $tags_list ) {
// empty tags list, go to another
if ( empty( $tags_list ) )
continue;
// purposes available, filter per purpose
if ( ! empty( $this->purposes ) ) {
// don't block iframes unavailable in the user purposes
// if ( array_key_exists( $purpose_id, $this->purposes ) && $this->purposes[$purpose_id] == false ) {
// block iframes unavailable in the user purposes
if ( ! isset( $this->purposes[$purpose_id] ) || $this->purposes[$purpose_id] == false ) {
foreach ( $tags_list as $tag ) {
$tags[] = $tag;
}
}
// no purposes yet, just add all scripts
} else {
foreach ( $tags_list as $tag ) {
$tags[] = $tag;
}
}
}
return $tags;
}
/**
* Convert scripts, iframe and other code inside IUBENDAs comment in text/plain to not generate cookies
*
* @param mixed $content
* @return mixed
*/
public function create_tags( $content, $args ) {
$elements = $content->find( "*" );
$js = '';
if ( is_array( $elements ) ) {
$count = count( $elements );
for ( $j = 0; $j < $count; $j++ ) {
$e = $elements[$j];
switch ( $e->tag ) {
case 'script':
if ( $args['pattern'] === 'IUB_REGEX_PURPOSE_PATTERN' )
$e->{'data-iub-purposes'} = $args['number'];
// AMP support
if ( $this->amp )
$e->{'data-block-on-consent'} = '_till_accepted';
$class = $e->class;
$e->class = $class . ' ' . $this->iub_class;
$e->type = 'text/plain';
$js .= $e->outertext;
break;
case 'iframe':
if ( $args['pattern'] === 'IUB_REGEX_PURPOSE_PATTERN' )
$e->{'data-iub-purposes'} = $args['number'];
// AMP support
if ( $this->amp )
$e->{'data-block-on-consent'} = '_till_accepted';
$new_src = $this->iub_empty;
$class = $e->class;
$e->suppressedsrc = $e->src;
$e->src = $new_src;
$e->class = $class . ' ' . $this->iub_class;
$js .= $e->outertext;
break;
default:
$js .= $e->outertext;
break;
}
}
}
return $js;
}
/**
* Skip scripts and iframes inside IUBENDAs comments.
*
* @param string $content
* @return string
*/
public function skip_tags( $content ) {
$elements = $content->find( "*" );
$js = '';
if ( is_array( $elements ) ) {
$count = count( $elements );
for ( $j = 0; $j < $count; $j++ ) {
$element = $elements[$j];
switch ( $element->tag ) {
case 'script':
case 'iframe':
$class = trim( $element->class ?: '' );
$element->class = ( $class !== '' ? $class . ' ' : '' ) . $this->iub_class_skip;
$js .= $element->outertext;
break;
default:
$js .= $element->outertext;
break;
}
}
}
return $js;
}
/**
* Parse automatically all the scripts in the page and converts it in text/plain
* if src or the whole output has inside one of the elements in $auto_script_tags array
*
* @return void
*/
public function parse_scripts() {
switch ( $this->type ) {
case 'page':
// get page contents
$html = str_get_html( $this->content_page, true, true, false );
if ( is_object( $html ) ) {
// get scripts
$scripts = $html->find( 'script' );
if ( is_array( $scripts ) ) {
$this->scripts_el = $scripts;
$count = count( $scripts );
$class_skip = $this->iub_class_skip;
// loop through scripts
for ( $j = 0; $j < $count; $j ++ ) {
$s = $scripts[$j];
$script_class = trim( $s->class ?: '' );
if ( $script_class !== '' ) {
$classes = explode( ' ', $script_class );
if ( in_array( $class_skip, $classes, true ) ) {
// add script as skipped
if ( ! empty( $s->innertext ) )
$this->scripts_inline_skipped[] = $s->innertext;
else
$this->scripts_skipped[] = $s->src;
continue;
}
}
if ( ! empty( $s->innertext ) ) {
$this->scripts_inline_detected[] = $s->innertext;
$found = self::strpos_array( $s->innertext, $this->auto_script_tags );
if ( $found !== false ) {
$class = $s->class;
$s->class = $class . ' ' . $this->iub_class_inline;
$s->type = 'text/plain';
$this->scripts_inline_converted[] = $s->innertext;
// add data-iub-purposes attribute
$this->set_purpose($s, $found);
# Run observers
$this->run_observers( $found, $s );
}
} else {
$src = $s->src;
if ( $src ) {
$this->scripts_detected[] = $src;
$found = self::strpos_array( $src, $this->auto_script_tags );
if ( $found !== false ) {
$class = $s->class;
$s->class = $class . ' ' . $this->iub_class;
$s->type = 'text/plain';
// add data-iub-purposes attribute
$this->set_purpose($s, $found);
// AMP support
if ( $this->amp )
$s->{'data-block-on-consent'} = '_till_accepted';
// Run observers
$this->run_observers( $found, $s );
$this->scripts_converted[] = $src;
}
}
}
}
}
// AdSense check by Peste Vasile Alexandru, AdSense here
$ad_found = false;
while ( preg_match( "#google_ad_client =(.*?);#i", $html ) ) {
$ad_found = true;
$ad_client = null;
$ad_slot = null;
$ad_width = null;
$ad_height = null;
$ad_block = null;
preg_match( "#google_ad_client =(.*?);#i", $html, $ad_client );
preg_match( "#google_ad_slot =(.*?);#i", $html, $ad_slot );
preg_match( "#google_ad_width =(.*?);#i", $html, $ad_width );
preg_match( "#google_ad_height =(.*?);#i", $html, $ad_height );
$html = preg_replace( "#google_ad_client =(.*?);#i", "", $html, 1 );
$html = preg_replace( "#google_ad_slot =(.*?);#i", "", $html, 1 );
$html = preg_replace( "#google_ad_width =(.*?);#i", "", $html, 1 );
$html = preg_replace( "#google_ad_height =(.*?);#i", "", $html, 1 );
$ad_client = trim( $ad_client[1] ?: '' );
$ad_slot = trim( $ad_slot[1] ?: '' );
$ad_width = trim( $ad_width[1] ?: '' );
$ad_height = trim( $ad_height[1] ?: '' );
$ad_class = 'class="' . $this->iub_class . '_google_ads"';
$ad_style = 'style="width:' . $ad_width . 'px; height:' . $ad_height . 'px;"';
$ad_client = 'data-client=' . $ad_client;
$ad_slot = 'data-slot=' . $ad_slot;
$ad_width = 'data-width="' . $ad_width . '"';
$ad_height = 'data-height="' . $ad_height . '"';
$ad_block = "<div $ad_style $ad_class $ad_width $ad_height $ad_slot $ad_client></div>";
$html = preg_replace( '#(<[^>]+) src="//pagead2.googlesyndication.com/pagead/show_ads.js"(.*?)</script>#i', $ad_block, $html, 1 );
}
if ( $ad_found ) {
$adsense_callback = "
<script>
function iubenda_adsense_unblock() {
var t = 1;
jQuery('." . $this->iub_class . "_google_ads').each(function() {
var banner = jQuery(this);
setTimeout(function(){
var client = banner.data('client');
var slot = banner.data('slot');
var width = banner.data('width');
var height = banner.data('height');
var adsense_script = '<scr'+'ipt>'
+ 'google_ad_client = " . chr( 34 ) . "'+client+'" . chr( 34 ) . ";'
+ 'google_ad_slot = '+slot+';'
+ 'google_ad_width = '+width+';'
+ 'google_ad_height = '+height+';'
+ '</scr'+'ipt>';
var script = document.createElement('script');
var ads = document.createElement('ads');
var w = document.write;
script.setAttribute('type', 'text/javascript');
script.setAttribute('src', 'http://pagead2.googlesyndication.com/pagead/show_ads.js');
document.write = (function(params) {
ads.innerHTML = params;
document.write = w;
});
banner.html(adsense_script).append(ads).append(script);
}, t);
t += 300;
});
}
if ( 'callback' in _iub.csConfiguration ) {
_iub.csConfiguration.callback.onConsentGiven = iubenda_adsense_unblock;
} else {
_iub.csConfiguration.callback = {};
_iub.csConfiguration.callback.onConsentGiven = iubenda_adsense_unblock;
}
</script>";
$html = str_replace( '</body>', $adsense_callback . '</body>', $html );
}
$this->content_page = $html;
}
break;
case 'faster':
libxml_use_internal_errors( true );
// get class attributes for better performance
$script_tags = $this->auto_script_tags;
$class = $this->iub_class;
$class_inline = $this->iub_class_inline;
$class_skip = $this->iub_class_skip;
// create new DOM document
$document = new DOMDocument();
// set document arguments
$document->formatOutput = true;
$document->preserveWhiteSpace = false;
// load HTML
$document->loadHTML( $this->content_page );
// search for scripts
$scripts = $document->getElementsByTagName( 'script' );
$this->scripts_el = $scripts;
// any scripts?
if ( ! empty( $scripts ) && is_object( $scripts ) ) {
foreach ( $scripts as $script ) {
$src = $script->getAttribute( 'src' );
$script_class = trim( $script->getAttribute( 'class' ) ?: '' );
if ( $script_class !== '' ) {
$classes = explode( ' ', $script_class );
if ( in_array( $class_skip, $classes, true ) ) {
// add script as skipped
if ( ! empty( $src ) )
$this->scripts_skipped[] = $src;
// add inline script as skipped
if ( ! empty( $script->nodeValue ) )
$this->scripts_inline_skipped[] = $script->nodeValue;
continue;
}
}
// add script as detected
if ( ! empty( $src ) )
$this->scripts_detected[] = $src;
// add inline script as detected
if ( ! empty( $script->nodeValue ) )
$this->scripts_inline_detected[] = $script->nodeValue;
$found = self::strpos_array( $src, $script_tags );
$found_inline = self::strpos_array( $script->nodeValue, $script_tags );
if ( $found !== false ) {
$script->setAttribute( 'type', 'text/plain' );
$script->setAttribute( 'class', $script->getAttribute( 'class' ) . ' ' . $class );
// add data-iub-purposes attribute
$this->set_purpose( $script, $found );
// AMP support
if ( $this->amp )
$script->setAttribute( 'data-block-on-consent', '_till_accepted' );
// Run observers
$this->run_observers( $found, $script );
// add script as converted
$this->scripts_converted[] = $src;
} elseif ( $found_inline !== false ) {
$script->setAttribute( 'type', 'text/plain' );
$script->setAttribute( 'class', $script->getAttribute( 'class' ) . ' ' . $class_inline );
// AMP support
if ( $this->amp )
$script->setAttribute( 'data-block-on-consent', '_till_accepted' );
// add data-iub-purposes attribute
$this->set_purpose($script, $found_inline);
// Run observers
$this->run_observers( $found_inline, $script );
// add inline script as converted
$this->scripts_inline_converted[] = $script->nodeValue;
}
}
}
// save document content
$content = $document->saveHTML();
libxml_use_internal_errors( false );
// update content
$this->content_page = $content;
break;
}
}
/**
* Parse automatically all the iframe in the page and change the src to suppressedsrc
* if src has inside one of the elements in $auto_iframe_tags array
*
* @return void
*/
public function parse_iframes() {
switch ( $this->type ) {
case 'page':
$html = str_get_html( $this->content_page, true, true, false );
if ( is_object( $html ) ) {
$iframes = $html->find( 'iframe' );
if ( is_array( $iframes ) ) {
$count = count( $iframes );
$class_skip = $this->iub_class_skip;
for ( $j = 0; $j < $count; $j ++ ) {
$i = $iframes[$j];
$iframe_class = trim( $i->class ?: '' );
if ( $iframe_class !== '' ) {
$classes = explode( ' ', $iframe_class );
if ( in_array( $class_skip, $classes, true ) ) {
// add iframe as skipped
$this->iframes_skipped[] = $i->src;
continue;
}
}
$src = $i->src;
$this->iframes_detected[] = $src;
$found = self::strpos_array( $src, $this->auto_iframe_tags );
if ( $found !== false ) {
$class = $i->class;
$i->suppressedsrc = $src;
$i->src = $this->iub_empty;
$i->class = $class . ' ' . $this->iub_class;
// add data-iub-purposes attribute
$i->{'data-iub-purposes'} = $this->recursive_array_search( $found, $this->iframe_tags );
// AMP support
if ( $this->amp )
$i->{'data-block-on-consent'} = '_till_accepted';
$this->iframes_converted[] = $src;
}
}
}
$this->content_page = $html;
}
break;
case 'faster':
libxml_use_internal_errors( true );
// get class attributes for better performance
$iframe_tags = $this->auto_iframe_tags;
$empty = $this->iub_empty;
$class = $this->iub_class;
$class_skip = $this->iub_class_skip;
// create new DOM document
$document = new DOMDocument();
// set document arguments
$document->formatOutput = true;
$document->preserveWhiteSpace = false;
// load HTML
$document->loadHTML( $this->content_page );
// search for iframes
$iframes = $document->getElementsByTagName( 'iframe' );
// any iframes?
if ( ! empty( $iframes ) && is_object( $iframes ) ) {
foreach ( $iframes as $iframe ) {
$src = $iframe->getAttribute( 'src' );
$iframe_class = trim( $iframe->getAttribute( 'class' ) ?: '' );
if ( $iframe_class !== '' ) {
$classes = explode( ' ', $iframe_class );
if ( in_array( $class_skip, $classes, true ) ) {
// add iframe as skipped
$this->iframes_skipped[] = $src;
continue;
}
}
// add iframe as detected
$this->iframes_detected[] = $src;
$found = self::strpos_array( $src, $iframe_tags );
if ( $found !== false ) {
$iframe->setAttribute( 'src', $empty );
$iframe->setAttribute( 'suppressedsrc', $src );
$iframe->setAttribute( 'class', $iframe_class . ' ' . $class );
// per purpose, add data-iub-purposes attribute
$iframe->setAttribute( 'data-iub-purposes', $this->recursive_array_search( $found, $this->iframe_tags ) );
// AMP support
if ( $this->amp )
$iframe->setAttribute( 'data-block-on-consent', '_till_accepted' );
// add iframe as converted
$this->iframes_converted[] = $src;
}
}
}
// save document content
$content = $document->saveHTML();
libxml_use_internal_errors( false );
// update content
$this->content_page = $content;
break;
}
}
/**
* Parse all IUBENDAs comments.
*
* @return void
*/
public function parse_comments() {
// skip
preg_match_all( constant( 'self::IUB_REGEX_SKIP_PATTERN' ), $this->content_page, $scripts );
// found any content?
if ( is_array( $scripts[1] ) ) {
$count = count( $scripts[1] );
$js_scripts = array();
for ( $j = 0; $j < $count; $j++ ) {
$this->skipped_comments_detected[] = $scripts[1][$j];
// get HTML dom from string
$html = str_get_html( $scripts[1][$j], true, true, false );
// skip scripts and iframes inside iubenda's comments
$js_scripts[] = $this->skip_tags( $html );
}
if ( ( is_array( $scripts[1] ) && is_array( $js_scripts ) ) && ( $count >= 1 && count( $js_scripts ) >= 1 ) )
$this->content_page = strtr( $this->content_page, array_combine( $scripts[1], $js_scripts ) );
}
unset( $scripts );
// block
foreach ( array( 'IUB_REGEX_PATTERN', 'IUB_REGEX_PATTERN_2', 'IUB_REGEX_PURPOSE_PATTERN' ) as $pattern ) {
preg_match_all( constant( 'self::' . $pattern ), $this->content_page, $scripts );
$chunks = array();
$args = array(
'pattern' => $pattern
);
if ( $pattern === 'IUB_REGEX_PURPOSE_PATTERN' ) {
$numbers = $scripts[1];
$chunks = $scripts[2];
} else
$chunks = $scripts[1];
// found any content?
if ( is_array( $chunks ) ) {
$count = count( $chunks );
$js_scripts = array();
for ( $j = 0; $j < $count; $j++ ) {
$this->iub_comments_detected[] = $chunks[$j];
// get HTML dom from string
$html = str_get_html( $chunks[$j], true, true, false );
if ( $pattern === 'IUB_REGEX_PURPOSE_PATTERN' )
$args['number'] = $numbers[$j];
// convert scripts, iframes and other code inside IUBENDAs comment in text/plain to not generate cookies
$js_scripts[] = $this->create_tags( $html, $args );
}
if ( ( is_array( $chunks ) && is_array( $js_scripts ) ) && ( $count >= 1 && count( $js_scripts ) >= 1 ) )
$this->content_page = strtr( $this->content_page, array_combine( $chunks, $js_scripts ) );
}
}
}
/**
* Call three methods to parse the page, iubendas comment, scripts and iframes
*
* @return string Content
*/
public function parse() {
$this->parse_comments();
$this->parse_scripts();
$this->parse_iframes();
return $this->content_page;
}
/**
* Return the final page to output
*
* @return mixed
*/
public function get_converted_page() {
return $this->content_page;
}
/**
* Print iubenda banner, parameter: the script code of iubenda to print the banner
*
* @param string $banner
* @return string
*/
public function print_banner( $banner ) {
return $banner .= "\n
<script>
var iCallback = function(){};
if ( 'callback' in _iub.csConfiguration ) {
if ( 'onConsentGiven' in _iub.csConfiguration.callback )
iCallback = _iub.csConfiguration.callback.onConsentGiven;
_iub.csConfiguration.callback.onConsentGiven = function() {
iCallback();
jQuery( 'noscript._no_script_iub' ).each( function (a, b) { var el = jQuery(b); el.after( el.html() ); } );
};
};
</script>";
}
/**
* Static, utility function: strpos for array wilth wildcard support
*
* @param type $haystack
* @param type $needle
* @return boolean
*/
static function strpos_array( $haystack, $needle ) {
if ( empty( $haystack ) || empty( $needle ) )
return false;
$needle = ! is_array( $needle ) ? array( $needle ) : $needle;
foreach ( $needle as $need ) {
// continue if $need is empty.
if ( empty( $need ) ) {
continue;
}
// wildcard?
if ( strpos( $need, '/*/' ) !== false ) {
// strtok - removes query string
// str_replace - removes double slashes // from url
// preg_replace - removes http or https from url
$haystack = strtok( str_replace( '//', '', preg_replace( "(^https?://)", "", $haystack ) ), '?' );
if ( fnmatch( $need, $haystack ) !== false )
return $need;
// regular
} else {
if ( strpos( $haystack, $need ) !== false )
return $need;
}
}
return false;
}
/**
* Custom array merge helper function.
*
* @return array
*/
public function array_merge_custom( $builtin, $data ) {
foreach ( $data as $type => $array ) {
// if ( $type === 0 )
// continue;
foreach ( $array as $block ) {
$builtin[$type][] = $block;
}
$builtin[$type] = array_unique( $builtin[$type] );
}
return $builtin;
}
/**
* Array search helper function.
*
* @param type $needle
* @param type $haystack
* @return boolean
*/
public function recursive_array_search( $needle, $haystack ) {
foreach ( $haystack as $key => $value ) {
$current_key = $key;
if ( $needle === $value OR ( is_array( $value ) &&
$this->recursive_array_search( $needle, $value ) !== false) ) {
return $current_key;
}
}
return false;
}
/**
* Get the activate classes
*
* @return array
*/
public function get_activate_classes() {
return array( $this->iub_class, $this->iub_class_inline );
}
/**
* @param string $link
* @param DOMElement $script
*/
private function run_observers( $link, $script ) {
# Escape if there is no defined observer for link
if ( ! isset( $this->observers[ $link ] ) ) {
return;
}
# Loop on script listeners
foreach ( $this->observers[ $link ] as $class ) {
require_once "listeners/{$class}.php";
$listener_instance = new $class( $script, $this );
$listener_instance->handle();
}
}
/**
* Set purpose on script tag if not exist
*
* @param $script
* @param $url
*/
private function set_purpose( $script, $url ) {
if ( ! $script->hasAttribute( 'data-iub-purposes' ) ) {
$script->setAttribute( 'data-iub-purposes', $this->recursive_array_search( $url, $this->script_tags ) );
}
}
}