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Omphaloskepsis/plugins/jetpack/modules/shortcodes/polldaddy.php
2018-03-21 18:19:20 +00:00

578 lines
17 KiB
PHP

<?php
if ( !class_exists( 'PolldaddyShortcode' ) ) {
/**
* Class wrapper for polldaddy shortcodes
*/
class PolldaddyShortcode {
static $add_script = false;
static $scripts = false;
/**
* Add all the actions & resgister the shortcode
*/
function __construct() {
if ( defined( 'GLOBAL_TAGS' ) == false ) {
add_shortcode( 'polldaddy', array( $this, 'polldaddy_shortcode' ) );
add_filter( 'pre_kses', array( $this, 'polldaddy_embed_to_shortcode' ) );
}
add_action( 'wp_enqueue_scripts', array( $this, 'check_infinite' ) );
add_action( 'infinite_scroll_render', array( $this, 'polldaddy_shortcode_infinite' ), 11 );
}
private function get_async_code( array $settings, $survey_link ) {
$embed_src = 'http://i0.poll.fm/survey.js';
$embed_src_ssl = 'https://polldaddy.com/survey.js';
$include = <<<CONTAINER
( function( d, c, j ) {
if ( !d.getElementById( j ) ) {
var pd = d.createElement( c ), s;
pd.id = j;
pd.src = ( 'https:' == d.location.protocol ) ? '{$embed_src_ssl}' : '{$embed_src}';
s = d.getElementsByTagName( c )[0];
s.parentNode.insertBefore( pd, s );
}
}( document, 'script', 'pd-embed' ) );
CONTAINER;
// Compress it a bit
$include = $this->compress_it( $include );
$placeholder =
'<div class="pd-embed" data-settings="'
. esc_attr( json_encode( $settings ) )
. '"></div>';
if ( 'button' === $settings['type'] ) {
$placeholder =
'<a class="pd-embed" href="'
. esc_attr( $survey_link )
. '" data-settings="'
. esc_attr( json_encode( $settings ) )
. '">'
. esc_html( $settings['title'] )
. '</a>';
}
$js_include = $placeholder . "\n";
$js_include .= '<script type="text/javascript"><!--//--><![CDATA[//><!--' . "\n";
$js_include .= $include . "\n";
$js_include .= "//--><!]]></script>\n";
if ( 'button' !== $settings['type'] ) {
$js_include .= '<noscript>' . $survey_link . "</noscript>\n";
}
return $js_include;
}
private function compress_it( $js ) {
$js = str_replace( array( "\n", "\t", "\r" ), '', $js );
$js = preg_replace( '/\s*([,:\?\{;\-=\(\)])\s*/', '$1', $js );
return $js;
}
/*
* Polldaddy Poll Embed script - transforms code that looks like that:
* <script type="text/javascript" charset="utf-8" src="http://static.polldaddy.com/p/123456.js"></script>
* <noscript><a href="http://polldaddy.com/poll/123456/">What is your favourite color?</a></noscript>
* into the [polldaddy poll=...] shortcode format
*/
function polldaddy_embed_to_shortcode( $content ) {
if ( false === strpos( $content, 'polldaddy.com/p/' ) ) {
return $content;
}
$regexes = array();
$regexes[] = '#<script[^>]+?src="https?://(secure|static)\.polldaddy\.com/p/([0-9]+)\.js"[^>]*+>\s*?</script>\r?\n?(<noscript>.*?</noscript>)?#i';
$regexes[] = '#&lt;script(?:[^&]|&(?!gt;))+?src="https?://(secure|static)\.polldaddy\.com/p/([0-9]+)\.js"(?:[^&]|&(?!gt;))*+&gt;\s*?&lt;/script&gt;\r?\n?(&lt;noscript&gt;.*?&lt;/noscript&gt;)?#i';
foreach ( $regexes as $regex ) {
if ( ! preg_match_all( $regex, $content, $matches, PREG_SET_ORDER ) ) {
continue;
}
foreach ( $matches as $match ) {
if ( ! isset( $match[2] ) ) {
continue;
}
$id = (int) $match[2];
if ( $id > 0 ) {
$content = str_replace( $match[0], " [polldaddy poll=$id]", $content );
/** This action is documented in modules/shortcodes/youtube.php */
do_action( 'jetpack_embed_to_shortcode', 'polldaddy', $id );
}
}
}
return $content;
}
/**
* Shortcode for polldadddy
* [polldaddy poll|survey|rating="123456"]
*
* */
function polldaddy_shortcode( $atts ) {
global $post;
global $content_width;
extract( shortcode_atts( array(
'survey' => null,
'link_text' => 'Take Our Survey',
'poll' => 'empty',
'rating' => 'empty',
'unique_id' => null,
'item_id' => null,
'title' => null,
'permalink' => null,
'cb' => 0,
'type' => 'button',
'body' => '',
'button' => '',
'text_color' => '000000',
'back_color' => 'FFFFFF',
'align' => '',
'style' => '',
'width' => $content_width,
'height' => floor( $content_width * 3 / 4 ),
'delay' => 100,
'visit' => 'single',
'domain' => '',
'id' => '',
), $atts, 'polldaddy' ) );
if ( ! is_array( $atts ) ) {
return '<!-- Polldaddy shortcode passed invalid attributes -->';
}
$inline = ! in_the_loop();
$no_script = false;
$infinite_scroll = false;
if ( is_home() && current_theme_supports( 'infinite-scroll' ) ) {
$infinite_scroll = true;
}
if ( defined( 'PADPRESS_LOADED' ) ) {
$inline = true;
}
if ( function_exists( 'get_option' ) && get_option( 'polldaddy_load_poll_inline' ) ) {
$inline = true;
}
if ( is_feed() || ( defined( 'DOING_AJAX' ) && ! $infinite_scroll ) ) {
$no_script = false;
}
self::$add_script = $infinite_scroll;
if ( intval( $rating ) > 0 && ! $no_script ) { //rating embed
if ( empty( $unique_id ) ) {
$unique_id = is_page() ? 'wp-page-' . $post->ID : 'wp-post-' . $post->ID;
}
if ( empty( $item_id ) ) {
$item_id = is_page() ? '_page_' . $post->ID : '_post_' . $post->ID;
}
if ( empty( $title ) ) {
/** This filter is documented in core/src/wp-includes/general-template.php */
$title = apply_filters( 'wp_title', $post->post_title, '', '' );
}
if ( empty( $permalink ) ) {
$permalink = get_permalink( $post->ID );
}
$rating = intval( $rating );
$unique_id = preg_replace( '/[^\-_a-z0-9]/i', '', wp_strip_all_tags( $unique_id ) );
$item_id = wp_strip_all_tags( $item_id );
$item_id = preg_replace( '/[^_a-z0-9]/i', '', $item_id );
$settings = json_encode( array(
'id' => $rating,
'unique_id' => $unique_id,
'title' => rawurlencode( trim( $title ) ),
'permalink' => esc_url( $permalink ),
'item_id' => $item_id,
) );
$item_id = esc_js( $item_id );
if ( is_ssl() ) {
$rating_js_file = "https://polldaddy.com/js/rating/rating.js";
} else {
$rating_js_file = "http://i0.poll.fm/js/rating/rating.js";
}
if ( $inline ) {
return <<<SCRIPT
<div class="pd-rating" id="pd_rating_holder_{$rating}{$item_id}"></div>
<script type="text/javascript" charset="UTF-8"><!--//--><![CDATA[//><!--
PDRTJS_settings_{$rating}{$item_id}={$settings};
//--><!]]></script>
<script type="text/javascript" charset="UTF-8" src="{$rating_js_file}"></script>
SCRIPT;
} else {
if ( false === self::$scripts ) {
self::$scripts = array();
}
$data = array( 'id' => $rating, 'item_id' => $item_id, 'settings' => $settings );
self::$scripts['rating'][] = $data;
add_action( 'wp_footer', array( $this, 'generate_scripts' ) );
$data = esc_attr( json_encode( $data ) );
if ( $infinite_scroll ) {
return <<<CONTAINER
<div class="pd-rating" id="pd_rating_holder_{$rating}{$item_id}" data-settings="{$data}"></div>
CONTAINER;
} else {
return <<<CONTAINER
<div class="pd-rating" id="pd_rating_holder_{$rating}{$item_id}"></div>
CONTAINER;
}
}
} elseif ( intval( $poll ) > 0 ) { //poll embed
$poll = intval( $poll );
$poll_url = sprintf( 'http://polldaddy.com/poll/%d', $poll );
$poll_js = sprintf( '%s.polldaddy.com/p/%d.js', ( is_ssl() ? 'https://secure' : 'http://static' ), $poll );
$poll_link = sprintf( '<a href="%s" target="_blank">Take Our Poll</a>', $poll_url );
if ( $no_script ) {
return $poll_link;
} else {
if ( $type == 'slider' && !$inline ) {
if ( ! in_array( $visit, array( 'single', 'multiple' ) ) ) {
$visit = 'single';
}
$settings = array(
'type' => 'slider',
'embed' => 'poll',
'delay' => intval( $delay ),
'visit' => $visit,
'id' => intval( $poll )
);
return $this->get_async_code( $settings, $poll_link );
} else {
$cb = ( $cb == 1 ? '?cb='.mktime() : false );
$margins = '';
$float = '';
if ( in_array( $align, array( 'right', 'left' ) ) ) {
$float = sprintf( 'float: %s;', $align );
if ( $align == 'left')
$margins = 'margin: 0px 10px 0px 0px;';
elseif ( $align == 'right' )
$margins = 'margin: 0px 0px 0px 10px';
}
// Force the normal style embed on single posts/pages otherwise it's not rendered on infinite scroll themed blogs ('infinite_scroll_render' isn't fired)
if ( is_singular() ) {
$inline = true;
}
if ( false === $cb && ! $inline ) {
if ( false === self::$scripts ) {
self::$scripts = array();
}
$data = array( 'url' => $poll_js );
self::$scripts['poll'][intval( $poll )] = $data;
add_action( 'wp_footer', array( $this, 'generate_scripts' ) );
$data = esc_attr( json_encode( $data ) );
$script_url = esc_url_raw( plugins_url( 'js/polldaddy-shortcode.js', __FILE__ ) );
$str = <<<CONTAINER
<a name="pd_a_{$poll}"></a>
<div class="PDS_Poll" id="PDI_container{$poll}" data-settings="{$data}" style="display:inline-block;{$float}{$margins}"></div>
<div id="PD_superContainer"></div>
<noscript>{$poll_link}</noscript>
CONTAINER;
$loader = <<<SCRIPT
( function( d, c, j ) {
if ( ! d.getElementById( j ) ) {
var pd = d.createElement( c ), s;
pd.id = j;
pd.src = '{$script_url}';
s = d.getElementsByTagName( c )[0];
s.parentNode.insertBefore( pd, s );
} else if ( typeof jQuery !== 'undefined' ) {
jQuery( d.body ).trigger( 'pd-script-load' );
}
} ( document, 'script', 'pd-polldaddy-loader' ) );
SCRIPT;
$loader = $this->compress_it( $loader );
$loader = "<script type='text/javascript'>\n" . $loader . "\n</script>";
return $str . $loader;
} else {
if ( $inline ) {
$cb = '';
}
return <<<CONTAINER
<a id="pd_a_{$poll}"></a>
<div class="PDS_Poll" id="PDI_container{$poll}" style="display:inline-block;{$float}{$margins}"></div>
<div id="PD_superContainer"></div>
<script type="text/javascript" charset="UTF-8" src="{$poll_js}{$cb}"></script>
<noscript>{$poll_link}</noscript>
CONTAINER;
}
}
}
} elseif ( ! empty( $survey ) ) { //survey embed
if ( in_array( $type, array( 'iframe', 'button', 'banner', 'slider' ) ) ) {
if ( empty( $title ) ) {
$title = __( 'Take Our Survey', 'jetpack' );
if( ! empty( $link_text ) ) {
$title = $link_text;
}
}
if ( $type == 'banner' || $type == 'slider' )
$inline = false;
$survey = preg_replace( '/[^a-f0-9]/i', '', $survey );
$survey_url = esc_url( "http://polldaddy.com/s/{$survey}" );
$survey_link = sprintf( '<a href="%s" target="_blank">%s</a>', $survey_url, esc_html( $title ) );
$settings = array();
// Do we want a full embed code or a link?
if ( $no_script || $inline || $infinite_scroll ) {
return $survey_link;
}
if ( $type == 'iframe' ) {
if ( $height != 'auto' ) {
if ( isset( $content_width ) && is_numeric( $width ) && $width > $content_width ) {
$width = $content_width;
}
if ( ! $width ) {
$width = '100%';
} else {
$width = (int) $width;
}
if ( ! $height ) {
$height = '600';
} else {
$height = (int) $height;
}
return <<<CONTAINER
<iframe src="{$survey_url}?iframe=1" frameborder="0" width="{$width}" height="{$height}" scrolling="auto" allowtransparency="true" marginheight="0" marginwidth="0">{$survey_link}</iframe>
CONTAINER;
} elseif ( ! empty( $domain ) && ! empty( $id ) ) {
$domain = preg_replace( '/[^a-z0-9\-]/i', '', $domain );
$id = preg_replace( '/[\/\?&\{\}]/', '', $id );
$auto_src = esc_url( "http://{$domain}.polldaddy.com/s/{$id}" );
$auto_src = parse_url( $auto_src );
if ( ! is_array( $auto_src ) || count( $auto_src ) == 0 ) {
return '<!-- no polldaddy output -->';
}
if ( ! isset( $auto_src['host'] ) || ! isset( $auto_src['path'] ) ) {
return '<!-- no polldaddy output -->';
}
$domain = $auto_src['host'].'/s/';
$id = str_ireplace( '/s/', '', $auto_src['path'] );
$settings = array(
'type' => $type,
'auto' => true,
'domain' => $domain,
'id' => $id
);
}
} else {
$text_color = preg_replace( '/[^a-f0-9]/i', '', $text_color );
$back_color = preg_replace( '/[^a-f0-9]/i', '', $back_color );
if (
! in_array(
$align,
array(
'right',
'left',
'top-left',
'top-right',
'middle-left',
'middle-right',
'bottom-left',
'bottom-right'
)
)
) {
$align = '';
}
if (
! in_array(
$style,
array(
'inline',
'side',
'corner',
'rounded',
'square'
)
)
) {
$style = '';
}
$title = wp_strip_all_tags( $title );
$body = wp_strip_all_tags( $body );
$button = wp_strip_all_tags( $button );
$settings = array_filter( array(
'title' => $title,
'type' => $type,
'body' => $body,
'button' => $button,
'text_color' => $text_color,
'back_color' => $back_color,
'align' => $align,
'style' => $style,
'id' => $survey,
) );
}
if ( empty( $settings ) ) {
return '<!-- no polldaddy output -->';
}
return $this->get_async_code( $settings, $survey_link );
}
} else {
return '<!-- no polldaddy output -->';
}
}
function generate_scripts() {
$script = '';
if ( is_array( self::$scripts ) ) {
if ( is_ssl() ) {
$rating_js_file = "https://polldaddy.com/js/rating/rating.js";
} else {
$rating_js_file = "http://i0.poll.fm/js/rating/rating.js";
}
if ( isset( self::$scripts['rating'] ) ) {
$script = "<script type='text/javascript' charset='UTF-8' id='polldaddyRatings'><!--//--><![CDATA[//><!--\n";
foreach( self::$scripts['rating'] as $rating ) {
$script .= "PDRTJS_settings_{$rating['id']}{$rating['item_id']}={$rating['settings']}; if ( typeof PDRTJS_RATING !== 'undefined' ){if ( typeof PDRTJS_{$rating['id']}{$rating['item_id']} == 'undefined' ){PDRTJS_{$rating['id']}{$rating['item_id']} = new PDRTJS_RATING( PDRTJS_settings_{$rating['id']}{$rating['item_id']} );}}";
}
$script .= "\n//--><!]]></script><script type='text/javascript' charset='UTF-8' src='{$rating_js_file}'></script>";
}
if ( isset( self::$scripts['poll'] ) ) {
foreach( self::$scripts['poll'] as $poll ) {
$script .= "<script type='text/javascript' charset='UTF-8' src='{$poll['url']}'></script>";
}
}
}
self::$scripts = false;
echo $script;
}
/**
* If the theme uses infinite scroll, include jquery at the start
*/
function check_infinite() {
if (
current_theme_supports( 'infinite-scroll' )
&& class_exists( 'The_Neverending_Home_Page' )
&& The_Neverending_Home_Page::archive_supports_infinity()
) {
wp_enqueue_script( 'jquery' );
}
}
/**
* Dynamically load the .js, if needed
*
* This hooks in late (priority 11) to infinite_scroll_render to determine
* a posteriori if a shortcode has been called.
*/
function polldaddy_shortcode_infinite() {
// only try to load if a shortcode has been called and theme supports infinite scroll
if( self::$add_script ) {
$script_url = esc_url_raw( plugins_url( 'js/polldaddy-shortcode.js', __FILE__ ) );
// if the script hasn't been loaded, load it
// if the script loads successfully, fire an 'pd-script-load' event
echo <<<SCRIPT
<script type='text/javascript'>
//<![CDATA[
( function( d, c, j ) {
if ( !d.getElementById( j ) ) {
var pd = d.createElement( c ), s;
pd.id = j;
pd.src = '{$script_url}';
s = d.getElementsByTagName( c )[0];
s.parentNode.insertBefore( pd, s );
} else if ( typeof jQuery !== 'undefined' ) {
jQuery( d.body ).trigger( 'pd-script-load' );
}
} ( document, 'script', 'pd-polldaddy-loader' ) );
//]]>
</script>
SCRIPT;
}
}
}
// kick it all off
new PolldaddyShortcode();
if ( ! function_exists( 'polldaddy_link' ) ) {
// http://polldaddy.com/poll/1562975/?view=results&msg=voted
function polldaddy_link( $content ) {
return jetpack_preg_replace_outside_tags( '!(?:\n|\A)http://polldaddy.com/poll/([0-9]+?)/(.+)?(?:\n|\Z)!i', "\n<script type='text/javascript' charset='utf-8' src='//static.polldaddy.com/p/$1.js'></script><noscript> <a href='http://polldaddy.com/poll/$1/'>View Poll</a></noscript>\n", $content, 'polldaddy.com/poll' );
}
// higher priority because we need it before auto-link and autop get to it
add_filter( 'the_content', 'polldaddy_link', 1 );
add_filter( 'the_content_rss', 'polldaddy_link', 1 );
}
wp_oembed_add_provider( '#http://poll\.fm/.*#i', 'http://polldaddy.com/oembed/', true );
}