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powerpress.php
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powerpress.php
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<?php
/*
Plugin Name: Blubrry PowerPress
Plugin URI: http://create.blubrry.com/resources/powerpress/
Description: <a href="http://create.blubrry.com/resources/powerpress/" target="_blank">Blubrry PowerPress</a> is the No. 1 Podcasting plugin for WordPress. Developed by podcasters for podcasters; features include Simple and Advanced modes, multiple audio/video player options, subscribe to podcast tools, podcast SEO features, and more! Fully supports iTunes, Google Play, Stitcher, and Blubrry Podcasting directories, as well as all podcast applications and clients.
Version: 6.2.1
Author: Blubrry
Author URI: http://www.blubrry.com/
Requires at least: 3.7
Tested up to: 4.4
Text Domain: powerpress
Change Log:
Please see readme.txt for detailed change log.
Contributors:
Angelo Mandato, CIO RawVoice - Plugin founder, architect and lead developer
See readme.txt for full list of contributors.
Credits:
getID3(), License: GPL 2.0+ by James Heinrich <info [at] getid3.org> http://www.getid3.org
Note: getid3.php analyze() function modified to prevent redundant filesize() function call.
FlowPlayer, License: GPL 3.0+ http://flowplayer.org/; source: http://flowplayer.org/download.html
flashembed(), License: MIT by Tero Piirainen (tipiirai [at] gmail.com)
Note: code found at bottom of player.js
Copyright 2008-2014 RawVoice Inc. (http://www.rawvoice.com)
License: GPL (http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt)
This project uses source that is GPL licensed.
*/
if( !function_exists('add_action') )
die("access denied.");
// WP_PLUGIN_DIR (REMEMBER TO USE THIS DEFINE IF NEEDED)
define('POWERPRESS_VERSION', '6.2.1' );
// Translation support:
if ( !defined('POWERPRESS_ABSPATH') )
define('POWERPRESS_ABSPATH', dirname(__FILE__) );
/////////////////////////////////////////////////////
// The following define options should be placed in your
// wp-config.php file so the setting is not disrupted when
// you upgrade the plugin.
/////////////////////////////////////////////////////
if( !defined('POWERPRESS_BLUBRRY_API_URL') )
define('POWERPRESS_BLUBRRY_API_URL', 'http://api.blubrry.com/');
// Replace validator service with one that is more reliable here:
// define('POWERPRESS_FEEDVALIDATOR_URL', 'http://www.feedvalidator.org/check.cgi?url=');
// Display custom play image for quicktime media. Applies to on page player only.
//define('POWERPRESS_PLAY_IMAGE', 'http://www.blubrry.com/themes/blubrry/images/player/PlayerBadge150x50NoBorder.jpg');
if( !defined('POWERPRESS_CONTENT_ACTION_PRIORITY') )
define('POWERPRESS_CONTENT_ACTION_PRIORITY', 10 );
// Added so administrators can customize what capability is needed for PowerPress
if( !defined('POWERPRESS_CAPABILITY_MANAGE_OPTIONS') )
define('POWERPRESS_CAPABILITY_MANAGE_OPTIONS', 'manage_options');
if( !defined('POWERPRESS_CAPABILITY_EDIT_PAGES') )
define('POWERPRESS_CAPABILITY_EDIT_PAGES', 'edit_pages');
//define('POWERPRESS_ENABLE_HTTPS_MEDIA', true); // Add this define to your wp-config.php if you wnat to allow media URLs that begin with https://
// Define variables, advanced users could define these in their own wp-config.php so lets not try to re-define
if( !defined('POWERPRESS_LINK_SEPARATOR') )
define('POWERPRESS_LINK_SEPARATOR', '|');
if( !defined('POWERPRESS_TEXT_SEPARATOR') )
define('POWERPRESS_TEXT_SEPARATOR', ':');
if( !defined('POWERPRESS_PLAY_IMAGE') )
define('POWERPRESS_PLAY_IMAGE', 'play_video_default.jpg');
if( !defined('PHP_EOL') )
define('PHP_EOL', "\n"); // We need this variable defined for new lines.
if( defined('POWERPRESS_DEBUG') ) {
if( !defined('PHP_EOL_WEB') ) {
define('PHP_EOL_WEB', "\n"); // Helps with readability
}
} else {
if( !defined('PHP_EOL_WEB') ) {
define('PHP_EOL_WEB', ''); // We don't necessarily need new lines for web output
}
}
if( !defined('POWERPRESS_SUBSCRIBE') )
define('POWERPRESS_SUBSCRIBE', true);
// Set regular expression values for determining mobile devices
if( !defined('POWERPRESS_MOBILE_REGEX') )
define('POWERPRESS_MOBILE_REGEX', 'iphone|ipod|ipad|aspen|android|blackberry|opera mini|webos|incognito|webmate|silk');
$powerpress_feed = NULL; // DO NOT CHANGE
function powerpress_content($content)
{
global $post, $g_powerpress_excerpt_post_id;
if( defined('PODPRESS_VERSION') || isset($GLOBALS['podcasting_player_id']) || isset($GLOBALS['podcast_channel_active']) || defined('PODCASTING_VERSION') )
return $content;
if( empty($post->ID) || !is_object($post) )
return $content;
if( defined('POWERPRESS_DO_ENCLOSE_FIX') )
$content = preg_replace('/\<!--.*added by PowerPress.*-->/im', '', $content );
if( is_feed() )
return $content; // We don't want to do anything to the feed
if( function_exists('post_password_required') )
{
if( post_password_required($post) )
return $content;
}
// PowerPress settings:
$GeneralSettings = get_option('powerpress_general');
// No player or links to add to content...
if( !empty($GeneralSettings['disable_appearance']) )
return $content;
// check for themes/plugins where we know we need to do this...
if( empty($GeneralSettings['player_aggressive']) )
{
if( !empty($GLOBALS['fb_ver']) && version_compare($GLOBALS['fb_ver'], '1.0', '<=') ) {
$GeneralSettings['player_aggressive'] = 1;
}
if( defined('JETPACK__VERSION') && version_compare(JETPACK__VERSION, '2.0', '>=') ) {
$GeneralSettings['player_aggressive'] = 1; // Jet pack still doesn't behave with PowerPress the_content
}
if( defined('WPSEO_VERSION') ) {
$GeneralSettings['player_aggressive'] = 4;
}
}
if( !empty($GeneralSettings['player_aggressive']) )
{
if( $GeneralSettings['player_aggressive'] == 4 )
{
$in_http_head = powerpress_in_wp_head();
if( $in_http_head === true )
return $content;
}
else if( $GeneralSettings['player_aggressive'] == 2 ) // If we do not have theme issues then lets keep this logic clean. and only display playes after the wp_head only
{
if( empty($GLOBALS['powerpress_wp_head_completed']) )
return $content;
}
else // method 1 or 3...
{
if( strstr($content, '<!--powerpress_player-->') !== false )
return $content; // The players were already added to the content
if( $GeneralSettings['player_aggressive'] != 3 && $g_powerpress_excerpt_post_id > 0 )
$g_powerpress_excerpt_post_id = 0; // Hack, set this to zero so it always goes past...
if( $GeneralSettings['player_aggressive'] == 3 )
$GeneralSettings['player_aggressive'] = 1; // remainder of the system will function as normal
}
}
// Problem: If the_excerpt is used instead of the_content, both the_exerpt and the_content will be called here.
// Important to note, get_the_excerpt will be called before the_content is called, so we add a simple little hack
if( current_filter() == 'get_the_excerpt' )
{
$g_powerpress_excerpt_post_id = $post->ID;
return $content; // We don't want to do anything to this content yet...
}
else if( current_filter() == 'the_content' && $g_powerpress_excerpt_post_id == $post->ID )
{
return $content; // We don't want to do anything to this excerpt content in this call either...
}
if( !isset($GeneralSettings['custom_feeds']) )
$GeneralSettings['custom_feeds'] = array('podcast'=>'Default Podcast Feed');
if( empty($GeneralSettings['custom_feeds']['podcast']) )
$GeneralSettings['custom_feeds']['podcast'] = 'Default Podcast Feed';
// Re-order so the default podcast episode is the top most...
$Temp = $GeneralSettings['custom_feeds'];
$GeneralSettings['custom_feeds'] = array();
$GeneralSettings['custom_feeds']['podcast'] = 'Default Podcast Feed';
while( list($feed_slug, $feed_title) = each($Temp) )
{
if( $feed_slug == 'podcast' )
continue;
$GeneralSettings['custom_feeds'][ $feed_slug ] = $feed_title;
}
// Handle post type feeds....
if( !empty($GeneralSettings['posttype_podcasting']) )
{
$post_type = get_query_var('post_type');
//$post_type = get_post_type();
// Get the feed slugs and titles for this post type
$PostTypeSettingsArray = get_option('powerpress_posttype_'.$post_type);
// Loop through this array of post type settings...
if( !empty($PostTypeSettingsArray) )
{
switch($post_type)
{
case 'post':
case 'page': {
// Do nothing!, we want the default podcast to appear in these post types
}; break;
default: {
if( !empty($post_type) && empty($PostTypeSettingsArray['podcast']) )
unset($GeneralSettings['custom_feeds']['podcast']); // special case, we do not want an accidental podcast episode to appear in a custom post type if the feature is enabled
}; break;
}
while( list($feed_slug, $postTypeSettings) = each($PostTypeSettingsArray) )
{
if( !empty( $postTypeSettings['title']) )
$GeneralSettings['custom_feeds'][ $feed_slug ] = $postTypeSettings['title'];
else
$GeneralSettings['custom_feeds'][ $feed_slug ] = $feed_slug;
}
}
}
if( !isset($GeneralSettings['display_player']) )
$GeneralSettings['display_player'] = 1;
if( !isset($GeneralSettings['player_function']) )
$GeneralSettings['player_function'] = 1;
if( !isset($GeneralSettings['podcast_link']) )
$GeneralSettings['podcast_link'] = 1;
// The blog owner doesn't want anything displayed, so don't bother wasting anymore CPU cycles
if( $GeneralSettings['display_player'] == 0 )
return $content;
if( current_filter() == 'the_excerpt' && empty($GeneralSettings['display_player_excerpt']) )
return $content; // We didn't want to modify this since the user didn't enable it for excerpts
// Figure out which players are alerady in the body of the page...
$ExcludePlayers = array();
if( isset($GeneralSettings['disable_player']) )
$ExcludePlayers = $GeneralSettings['disable_player']; // automatically disable the players configured
if( !empty($GeneralSettings['process_podpress']) && strstr($content, '[display_podcast]') )
return $content;
if( preg_match_all('/(.?)\[(powerpress)\b(.*?)(?:(\/))?\](?:(.+?)\[\/\2\])?(.?)/s', $content, $matches) )
{
if( isset($matches[3]) )
{
while( list($key,$row) = each($matches[3]) )
{
$attributes = shortcode_parse_atts($row);
if( isset($attributes['url']) )
{
// not a problem...
}
else if( isset($attributes['feed']) )
{
// we want to exclude this feed from the links aera...
$ExcludePlayers[ $attributes['feed'] ] = true;
}
else
{
// we don't want to include any players below...
$ExcludePlayers = $GeneralSettings['custom_feeds'];
}
}
}
}
// LOOP HERE TO DISPLAY EACH MEDIA TYPE
$new_content = '';
while( list($feed_slug,$feed_title) = each($GeneralSettings['custom_feeds']) )
{
// Get the enclosure data
$EpisodeData = powerpress_get_enclosure_data($post->ID, $feed_slug);
if( !$EpisodeData && !empty($GeneralSettings['process_podpress']) && $feed_slug == 'podcast' )
$EpisodeData = powerpress_get_enclosure_data_podpress($post->ID);
if( !$EpisodeData || !$EpisodeData['url'] )
continue;
// Just in case, if there's no URL lets escape!
if( !$EpisodeData['url'] )
continue;
// If the player is not already inserted in the body of the post using the shortcode...
//if( preg_match('/\[powerpress(.*)\]/is', $content) == 0 )
if( !isset($ExcludePlayers[ $feed_slug ]) ) // If the player is not in our exclude list because it's already in the post body somewhere...
{
if( isset($GeneralSettings['premium_caps']) && $GeneralSettings['premium_caps'] && !powerpress_premium_content_authorized($feed_slug) )
{
$new_content .= powerpress_premium_content_message($post->ID, $feed_slug, $EpisodeData);
}
else
{
if( !isset($EpisodeData['no_links']) || ($GeneralSettings['player_function'] != 3 && $GeneralSettings['player_function'] != 0) )
{
do_action('wp_powerpress_player_scripts');
}
if( $GeneralSettings['player_function'] != 3 && $GeneralSettings['player_function'] != 0 ) // Play in new window only or disabled
{
$AddDefaultPlayer = empty($EpisodeData['no_player']);
if( $EpisodeData && !empty($EpisodeData['embed']) )
{
$new_content .= trim($EpisodeData['embed']);
if( !empty($GeneralSettings['embed_replace_player']) )
$AddDefaultPlayer = false;
}
if( $AddDefaultPlayer )
{
$image = '';
if( isset($EpisodeData['image']) && $EpisodeData['image'] != '' )
$image = $EpisodeData['image'];
$new_content .= apply_filters('powerpress_player', '', powerpress_add_flag_to_redirect_url($EpisodeData['url'], 'p'), $EpisodeData );
}
}
if( !isset($EpisodeData['no_links']) )
$new_content .= apply_filters('powerpress_player_links', '', powerpress_add_flag_to_redirect_url($EpisodeData['url'], 'p'), $EpisodeData );
//$new_content .= powerpress_get_player_links($post->ID, $feed_slug, $EpisodeData);
$new_content .= apply_filters('powerpress_player_subscribe_links', '', powerpress_add_flag_to_redirect_url($EpisodeData['url'], 'p'), $EpisodeData );
}
}
}
if( $new_content == '' )
return $content;
switch( $GeneralSettings['display_player'] )
{
case 1: { // Below posts
return $content.$new_content.( !empty($GeneralSettings['player_aggressive']) && $GeneralSettings['player_aggressive'] == 1 ?'<!--powerpress_player-->':'');
}; break;
case 2: { // Above posts
return ( !empty($GeneralSettings['player_aggressive']) && $GeneralSettings['player_aggressive'] == 1 ?'<!--powerpress_player-->':'').$new_content.$content;
}; break;
}
return $content;
}//end function
add_filter('get_the_excerpt', 'powerpress_content', (POWERPRESS_CONTENT_ACTION_PRIORITY - 1) );
add_filter('the_content', 'powerpress_content', POWERPRESS_CONTENT_ACTION_PRIORITY);
if( !defined('POWERPRESS_NO_THE_EXCERPT') )
add_filter('the_excerpt', 'powerpress_content', POWERPRESS_CONTENT_ACTION_PRIORITY);
/* Specail case fix Yoast bug which messes up the HTML */
function powerpress_yoast_gawp_fix($content)
{
$content= preg_replace(
array('/return powerpress\_pinw\(\"/', '/return powerpress\_embed\_quicktime\(\"/', '/return powerpress\_embed\_winplayer\(\"/', '/return powerpress\_embed\_swf\(\"/', '/return powerpress\_show\_embed\(\"/', '/return powerpress\_embed\_html5v\(\"/', '/return powerpress\_embed\_html5a\(\"/', ),
array('return powerpress_pinw(\'', 'return powerpress_embed_quicktime(\'', 'return powerpress_embed_winplayer(\'', 'return powerpress_embed_swf(\'', 'return powerpress_show_embed(\'', 'return powerpress_embed_html5v(\'', 'return powerpress_embed_html5a(\'' ),
$content);
return $content;
}
function powerpress_header()
{
// PowerPress settings:
$Powerpress = get_option('powerpress_general');
if( !isset($Powerpress['custom_feeds']) )
$Powerpress['custom_feeds'] = array('podcast'=>'Default Podcast Feed');
if( empty($Powerpress['disable_appearance']) || $Powerpress['disable_appearance'] == false )
{
if( !isset($Powerpress['player_function']) || $Powerpress['player_function'] > 0 ) // Don't include the player in the header if it is not needed...
{
$PowerpressPluginURL = powerpress_get_root_url();
?>
<script type="text/javascript"><!--
<?php
$new_window_width = 420;
$new_window_height = 240;
if( isset($Powerpress['new_window_width']) && $Powerpress['new_window_width'] > 0 )
$new_window_width = $Powerpress['new_window_width'];
else if( isset($Powerpress['new_window_width']) )
$new_window_width = 420;
if( isset($Powerpress['new_window_height']) && $Powerpress['new_window_height'] > 0 )
$new_window_height = $Powerpress['new_window_height'];
else if( isset($Powerpress['new_window_height']) )
$new_window_height = 240;
if( empty($Powerpress['new_window_nofactor']) )
{
$new_window_width += 40;
$new_window_height += 80;
}
?>
function powerpress_pinw(pinw_url){window.open(pinw_url, 'PowerPressPlayer','toolbar=0,status=0,resizable=1,width=<?php echo ($new_window_width); ?>,height=<?php echo ($new_window_height); ?>'); return false;}
//-->
</script>
<?php
}
}
if( !empty($Powerpress['feed_links']) )
{
// Loop through podcast feeds and display them here
while( list($feed_slug, $title) = each($Powerpress['custom_feeds']) )
{
$href = get_feed_link($feed_slug);
if ( isset($title) && isset($href) )
echo '<link rel="alternate" type="' . feed_content_type() . '" title="' . esc_attr( $title ) . '" href="' . esc_url( $href ) . '" />' . "\n";
}
reset($Powerpress['custom_feeds']);
}
}
add_action('wp_head', 'powerpress_header');
function powerpress_wp_head_completed()
{
$GLOBALS['powerpress_wp_head_completed'] = true;
}
add_action('wp_head', 'powerpress_wp_head_completed', 100000);
function powerpress_exit_on_http_head($return)
{
if( is_feed() )
{
// Set the content type for HTTP headers...
header('Content-Type: ' . feed_content_type('rss-http') . '; charset=' . get_option('blog_charset'), true);
// Needs authentication?
$GeneralSettings = get_option('powerpress_general');
if( !empty($GeneralSettings['premium_caps']) )
{
$feed_slug = get_query_var('feed');
$FeedSettings = get_option('powerpress_feed_'.$feed_slug);
if( !empty($FeedSettings['premium']) )
{
return false; // Let the logic further into PowerPress authenticate this HEAD request
}
}
}
return $return;
}
add_filter('exit_on_http_head', 'powerpress_exit_on_http_head' );
function powerpress_rss2_ns()
{
if( !powerpress_is_podcast_feed() )
return;
// Okay, lets add the namespace
echo 'xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd"'.PHP_EOL;
if( !defined('POWERPRESS_RAWVOICE_RSS') || POWERPRESS_RAWVOICE_RSS != false )
{
echo 'xmlns:rawvoice="http://www.rawvoice.com/rawvoiceRssModule/"'.PHP_EOL;
}
if( !defined('POWERPRESS_GOOGLEPLAY_RSS') || POWERPRESS_GOOGLEPLAY_RSS != false )
{
echo 'xmlns:googleplay="http://www.google.com/schemas/play-podcasts/1.0"'.PHP_EOL;
}
}
add_action('rss2_ns', 'powerpress_rss2_ns');
function powerpress_rss2_head()
{
global $powerpress_feed;
if( !powerpress_is_podcast_feed() )
return; // Not a feed we manage
$feed_slug = get_query_var( 'feed' );
$cat_ID = get_query_var('cat');
$Feed = get_option('powerpress_feed'); // Get the main feed settings
if( !empty($powerpress_feed['category']) )
{
$CustomFeed = get_option('powerpress_cat_feed_'.$powerpress_feed['category']); // Get the custom podcast feed settings saved in the database
if( $CustomFeed )
$Feed = powerpress_merge_empty_feed_settings($CustomFeed, $Feed);
}
else if( !empty($powerpress_feed['term_taxonomy_id']) )
{
$CustomFeed = get_option('powerpress_taxonomy_'.$powerpress_feed['term_taxonomy_id']); // Get the taxonomy podcast settings saved in the database
if( $CustomFeed )
$Feed = powerpress_merge_empty_feed_settings($CustomFeed, $Feed);
}
else if( powerpress_is_custom_podcast_feed() ) // If we're handling a custom podcast feed...
{
$CustomFeed = get_option('powerpress_feed_'.$feed_slug); // Get the custom podcast feed settings saved in the database
$Feed = powerpress_merge_empty_feed_settings($CustomFeed, $Feed, ($feed_slug == 'podcast') );
}
if( !isset($Feed['url']) || trim($Feed['url']) == '' )
{
if( is_category() )
$Feed['url'] = get_category_link($cat_ID);
else
$Feed['url'] = get_bloginfo('url');
}
$General = get_option('powerpress_general');
// We made it this far, lets write stuff to the feed!
echo '<!-- podcast_generator="Blubrry PowerPress/'. POWERPRESS_VERSION .'" ';
if( isset($General['advanced_mode_2']) && empty($General['advanced_mode_2']) )
echo 'mode="simple" ';
else
echo 'mode="advanced" ';
if( defined('POWERPRESS_DEBUG') )
{
if( !empty($powerpress_feed['category']) )
echo 'category="'.$powerpress_feed['category'].'" ';
if( !empty($powerpress_feed['term_taxonomy_id']) )
echo 'ttid="'.$powerpress_feed['term_taxonomy_id'].'" ';
if( !empty($powerpress_feed['post_type']) )
echo 'posttype="'.$powerpress_feed['post_type'].'" ';
if( !empty($powerpress_feed['feed-slug']) )
echo 'feedslug="'.$powerpress_feed['feed-slug'].'" ';
}
echo '-->'.PHP_EOL;
// add the itunes:new-feed-url tag to feed
if( powerpress_is_custom_podcast_feed() )
{
if( !empty($Feed['itunes_new_feed_url']) )
{
$Feed['itunes_new_feed_url'] = str_replace('&', '&', $Feed['itunes_new_feed_url']);
echo "\t<itunes:new-feed-url>". htmlspecialchars(trim($Feed['itunes_new_feed_url'])) .'</itunes:new-feed-url>'.PHP_EOL;
}
}
else if( !empty($Feed['itunes_new_feed_url']) && ($feed_slug == 'feed' || $feed_slug == 'rss2') ) // If it is the default feed (We don't wnat to apply this to category or tag feeds
{
$Feed['itunes_new_feed_url'] = str_replace('&', '&', $Feed['itunes_new_feed_url']);
echo "\t<itunes:new-feed-url>". htmlspecialchars(trim($Feed['itunes_new_feed_url'])) .'</itunes:new-feed-url>'.PHP_EOL;
}
if( !empty($Feed['itunes_summary']) )
echo "\t".'<itunes:summary>'. powerpress_format_itunes_value( $Feed['itunes_summary'], 'summary' ) .'</itunes:summary>'.PHP_EOL;
else
echo "\t".'<itunes:summary>'. powerpress_format_itunes_value( get_bloginfo('description'), 'summary' ) .'</itunes:summary>'.PHP_EOL;
if( !empty($powerpress_feed['itunes_talent_name']) )
echo "\t<itunes:author>" . esc_html($powerpress_feed['itunes_talent_name']) . '</itunes:author>'.PHP_EOL;
if( !empty($powerpress_feed['explicit']) )
echo "\t".'<itunes:explicit>' . $powerpress_feed['explicit'] . '</itunes:explicit>'.PHP_EOL;
if( !empty($Feed['itunes_block']) )
echo "\t<itunes:block>yes</itunes:block>".PHP_EOL;
if( !empty($Feed['itunes_complete']) )
echo "\t<itunes:complete>yes</itunes:complete>".PHP_EOL;
if( !empty($Feed['itunes_image']) )
{
echo "\t".'<itunes:image href="' . esc_html( str_replace(' ', '+', $Feed['itunes_image']), 'double') . '" />'.PHP_EOL;
}
else
{
echo "\t".'<itunes:image href="' . powerpress_get_root_url() . 'itunes_default.jpg" />'.PHP_EOL;
}
if( !empty($Feed['email']) )
{
echo "\t".'<itunes:owner>'.PHP_EOL;
echo "\t\t".'<itunes:name>' . esc_html($powerpress_feed['itunes_talent_name']) . '</itunes:name>'.PHP_EOL;
echo "\t\t".'<itunes:email>' . esc_html($Feed['email']) . '</itunes:email>'.PHP_EOL;
echo "\t".'</itunes:owner>'.PHP_EOL;
echo "\t".'<managingEditor>'. esc_html($Feed['email'] .' ('. $powerpress_feed['itunes_talent_name'] .')') .'</managingEditor>'.PHP_EOL;
}
if( !empty($Feed['copyright']) )
{
// In case the user entered the copyright html version or the copyright UTF-8 or ASCII symbol or just (c)
$Feed['copyright'] = str_replace(array('©', '(c)', '(C)', chr(194) . chr(169), chr(169) ), '©', $Feed['copyright']);
echo "\t".'<copyright>'. esc_html($Feed['copyright']) . '</copyright>'.PHP_EOL;
}
if( !empty($Feed['itunes_subtitle']) )
echo "\t".'<itunes:subtitle>' . powerpress_format_itunes_value($Feed['itunes_subtitle'], 'subtitle') . '</itunes:subtitle>'.PHP_EOL;
else
echo "\t".'<itunes:subtitle>'. powerpress_format_itunes_value( get_bloginfo('description'), 'subtitle') .'</itunes:subtitle>'.PHP_EOL;
if( !empty($Feed['rss2_image']) || !empty($Feed['itunes_image']) )
{
if( !empty($Feed['rss2_image']) ) // If the RSS image is set, use it, otherwise use the iTunes image...
$rss_image = $Feed['rss2_image'];
else
$rss_image = $Feed['itunes_image'];
echo "\t". '<image>' .PHP_EOL;
if( is_category() && !empty($Feed['title']) )
echo "\t\t".'<title>' . esc_html( get_bloginfo_rss('name') ) . '</title>'.PHP_EOL;
else
echo "\t\t".'<title>' . esc_html( get_bloginfo_rss('name') . get_wp_title_rss() ) . '</title>'.PHP_EOL;
echo "\t\t".'<url>' . esc_html( str_replace(' ', '+', $rss_image)) . '</url>'.PHP_EOL;
echo "\t\t".'<link>'. $Feed['url'] . '</link>' . PHP_EOL;
echo "\t".'</image>' . PHP_EOL;
}
else // Use the default image
{
echo "\t". '<image>' .PHP_EOL;
if( (is_category() || is_tax() || is_tag() ) && !empty($Feed['title']) )
echo "\t\t".'<title>' . esc_html( get_bloginfo_rss('name') ) . '</title>'.PHP_EOL;
else
echo "\t\t".'<title>' . esc_html( get_bloginfo_rss('name') . get_wp_title_rss() ) . '</title>'.PHP_EOL;
echo "\t\t".'<url>' . powerpress_get_root_url() . 'rss_default.jpg</url>'.PHP_EOL;
echo "\t\t".'<link>'. $Feed['url'] . '</link>' . PHP_EOL;
echo "\t".'</image>' . PHP_EOL;
}
// Handle iTunes categories
$Categories = powerpress_itunes_categories();
$Cat1 = false; $Cat2 = false; $Cat3 = false;
if( !empty($Feed['itunes_cat_1']) )
list($Cat1, $SubCat1) = explode('-', $Feed['itunes_cat_1']);
if( !empty($Feed['itunes_cat_2']) )
list($Cat2, $SubCat2) = explode('-', $Feed['itunes_cat_2']);
if( !empty($Feed['itunes_cat_3']) )
list($Cat3, $SubCat3) = explode('-', $Feed['itunes_cat_3']);
if( $Cat1 )
{
$CatDesc = $Categories[$Cat1.'-00'];
$SubCatDesc = $Categories[$Cat1.'-'.$SubCat1];
if( $Cat1 != $Cat2 && $SubCat1 == '00' )
{
echo "\t".'<itunes:category text="'. esc_html($CatDesc) .'" />'.PHP_EOL;
}
else
{
echo "\t".'<itunes:category text="'. esc_html($CatDesc) .'">'.PHP_EOL;
if( $SubCat1 != '00' )
echo "\t\t".'<itunes:category text="'. esc_html($SubCatDesc) .'" />'.PHP_EOL;
// End this category set
if( $Cat1 != $Cat2 )
echo "\t".'</itunes:category>'.PHP_EOL;
}
}
if( $Cat2 )
{
$CatDesc = $Categories[$Cat2.'-00'];
$SubCatDesc = $Categories[$Cat2.'-'.$SubCat2];
// It's a continuation of the last category...
if( $Cat1 == $Cat2 )
{
if( $SubCat2 != '00' )
echo "\t\t".'<itunes:category text="'. esc_html($SubCatDesc) .'" />'.PHP_EOL;
// End this category set
if( $Cat2 != $Cat3 )
echo "\t".'</itunes:category>'.PHP_EOL;
}
else // This is not a continuation, lets start a new category set
{
if( $Cat2 != $Cat3 && $SubCat2 == '00' )
{
echo "\t".'<itunes:category text="'. esc_html($CatDesc) .'" />'.PHP_EOL;
}
else // We have nested values
{
if( $Cat1 != $Cat2 ) // Start a new category set
echo "\t".'<itunes:category text="'. esc_html($CatDesc) .'">'.PHP_EOL;
if( $SubCat2 != '00' )
echo "\t\t".'<itunes:category text="'. esc_html($SubCatDesc) .'" />'.PHP_EOL;
if( $Cat2 != $Cat3 ) // End this category set
echo "\t".'</itunes:category>'.PHP_EOL;
}
}
}
if( $Cat3 )
{
$CatDesc = $Categories[$Cat3.'-00'];
$SubCatDesc = $Categories[$Cat3.'-'.$SubCat3];
// It's a continuation of the last category...
if( $Cat2 == $Cat3 )
{
if( $SubCat3 != '00' )
echo "\t\t".'<itunes:category text="'. esc_html($SubCatDesc) .'" />'.PHP_EOL;
// End this category set
echo "\t".'</itunes:category>'.PHP_EOL;
}
else // This is not a continuation, lets start a new category set
{
if( $Cat2 != $Cat3 && $SubCat3 == '00' )
{
echo "\t".'<itunes:category text="'. esc_html($CatDesc) .'" />'.PHP_EOL;
}
else // We have nested values
{
if( $Cat2 != $Cat3 ) // Start a new category set
echo "\t".'<itunes:category text="'. esc_html($CatDesc) .'">'.PHP_EOL;
if( $SubCat3 != '00' )
echo "\t\t".'<itunes:category text="'. esc_html($SubCatDesc) .'" />'.PHP_EOL;
// End this category set
echo "\t".'</itunes:category>'.PHP_EOL;
}
}
}
// End Handle iTunes categories
if( !empty($Feed['googleplay_email']) )
{
echo "\t".'<googleplay:email>' . esc_html($Feed['googleplay_email']) . '</googleplay:email>'.PHP_EOL;
}
if( !empty($Feed['googleplay_description']) )
{
echo "\t".'<googleplay:description>' . esc_html($Feed['googleplay_description']) . '</googleplay:description>'.PHP_EOL;
}
if( !empty($Feed['googleplay_explicit']) )
{
echo "\t".'<googleplay:explicit>Yes</googleplay:explicit>'.PHP_EOL;
}
// google_play_cat // google_play_explicit
if( !empty($Feed['googleplay_cat']) )
{
$play_cats = powerpress_googleplay_categories();
if( !empty($play_cats[ $Feed['googleplay_cat'] ]) )
{
echo "\t".'<googleplay:category text="'. esc_html($play_cats[ $Feed['googleplay_cat'] ]) .'" />'.PHP_EOL;
}
}
if( !empty($Feed['googleplay_image']) )
{
echo "\t".'<googleplay:image href="' . esc_html( str_replace(' ', '+', $Feed['googleplay_image']), 'double') . '" />'.PHP_EOL;
}
// RawVoice RSS Tags
if( !defined('POWERPRESS_RAWVOICE_RSS') || POWERPRESS_RAWVOICE_RSS != false )
{
if( !empty($Feed['parental_rating']) )
echo "\t<rawvoice:rating>". $Feed['parental_rating'] ."</rawvoice:rating>".PHP_EOL;
if( !empty($Feed['location']) )
echo "\t<rawvoice:location>". htmlspecialchars($Feed['location']) ."</rawvoice:location>".PHP_EOL;
if( !empty($Feed['frequency']) )
echo "\t<rawvoice:frequency>". htmlspecialchars($Feed['frequency']) ."</rawvoice:frequency>".PHP_EOL;
if( !empty($Feed['donate_link']) && !empty($Feed['donate_url']) )
echo "\t<rawvoice:donate href=\"". htmlspecialchars( $Feed['donate_url'] ) ."\">". htmlspecialchars( (empty($Feed['donate_label'])?'':$Feed['donate_label']) ) ."</rawvoice:donate>".PHP_EOL;
}
}
add_action('rss2_head', 'powerpress_rss2_head');
function powerpress_rss2_item()
{
global $post, $powerpress_feed;
// are we processing a feed that powerpress should handle
if( !powerpress_is_podcast_feed() )
return;
if( function_exists('post_password_required') )
{
if( post_password_required($post) )
return $content;
}
// Check and see if we're working with a podcast episode
$custom_enclosure = false;
if( powerpress_is_custom_podcast_feed() && get_query_var('feed') != 'podcast' && !is_category() && !is_tax() && !is_tag() )
{
$EpisodeData = powerpress_get_enclosure_data($post->ID, get_query_var('feed') );
$custom_enclosure = true;
}
else
{
$EpisodeData = powerpress_get_enclosure_data($post->ID, 'podcast');
if( !$EpisodeData && !empty($powerpress_feed['process_podpress']) )
{
$EpisodeData = powerpress_get_enclosure_data_podpress($post->ID);
$custom_enclosure = true;
}
}
if( !$EpisodeData || !$EpisodeData['url'] )
return;
// If enclosure not added, check to see why...
if( defined('POWERPRESS_ENCLOSURE_FIX') && POWERPRESS_ENCLOSURE_FIX && !$custom_enclosure && $GLOBALS['powerpress_rss_enclosure_post_id'] != $post->ID )
{
$enclosure_in_wp = apply_filters('rss_enclosure', '<enclosure url="' . trim(htmlspecialchars($EpisodeData['url']) . '" length="' . $EpisodeData['size'] . '" type="' . $EpisodeData['type'] . '" />' . "\n") );
if( !$enclosure_in_wp )
$custom_enclosure = true;
}
$author = $powerpress_feed['itunes_talent_name'];
if( isset($powerpress_feed['itunes_author_post']) )
$author = get_the_author();
$explicit = $powerpress_feed['explicit'];
$summary = false;
$subtitle = false;
$block = false;
$cc = false;
if( isset( $EpisodeData['summary'] ) && strlen($EpisodeData['summary']) > 1 )
$summary = $EpisodeData['summary'];
if( isset( $EpisodeData['subtitle'] ) && strlen($EpisodeData['subtitle']) > 1 )
$subtitle = $EpisodeData['subtitle'];
if( isset( $EpisodeData['explicit'] ) && is_numeric($EpisodeData['explicit']) )
{
$explicit_array = array("no", "yes", "clean");
$explicit = $explicit_array[$EpisodeData['explicit']];
}
// Code for future use:
if( !empty( $EpisodeData['author'] ) )
$author = $EpisodeData['author'];
if( !empty( $EpisodeData['block'] ) )
$block = 'yes';
if( !empty( $EpisodeData['cc'] ) )
$cc = 'yes';
if( $custom_enclosure ) // We need to add the enclosure tag here...
{
if( empty($EpisodeData['size']) )
$EpisodeData['size'] = 5242880; // Use the dummy 5MB size since we don't have a size to quote
echo "\t". sprintf('<enclosure url="%s" length="%d" type="%s" />%s',
trim($EpisodeData['url']),
trim($EpisodeData['size']),
trim($EpisodeData['type']),
PHP_EOL);
}
$excerpt_no_html = '';
$content_no_html = '';
$content_no_html_a = '';
if( !$subtitle || !$summary )
{
$excerpt_no_html_a = strip_tags($post->post_excerpt , '<a>');
$excerpt_no_html = strip_tags($post->post_excerpt);
}
if( (!$subtitle && !$excerpt_no_html) || (!$summary && !$powerpress_feed['enhance_itunes_summary'] && !$excerpt_no_html ) )
{
// Strip and format the wordpress way, but don't apply any other filters for these itunes tags
$content_no_html = $post->post_content;
$content_no_html = strip_shortcodes( $content_no_html );
$content_no_html = str_replace(']]>', ']]>', $content_no_html);
$content_no_html_a = strip_tags($content_no_html, '<a>');
$content_no_html = strip_tags($content_no_html);
}
if( $subtitle )
echo "\t<itunes:subtitle>". powerpress_format_itunes_value($subtitle, 'subtitle') .'</itunes:subtitle>'.PHP_EOL;
else if( $excerpt_no_html )
echo "\t<itunes:subtitle>". powerpress_format_itunes_value($excerpt_no_html, 'subtitle') .'</itunes:subtitle>'.PHP_EOL;
else if( $content_no_html )
echo "\t<itunes:subtitle>". powerpress_format_itunes_value($content_no_html, 'subtitle') .'</itunes:subtitle>'.PHP_EOL;
if( empty($powerpress_feed['feed_maximizer_on']) )
{
if( $summary )
echo "\t\t<itunes:summary>". powerpress_format_itunes_value($summary, 'summary') .'</itunes:summary>'.PHP_EOL;
else if( $powerpress_feed['enhance_itunes_summary'] )
echo "\t\t<itunes:summary><![CDATA[". powerpress_itunes_summary($post->post_content) .']]></itunes:summary>'.PHP_EOL;
else if( $excerpt_no_html ) // $content_no_html_a
echo "\t\t<itunes:summary>". powerpress_format_itunes_value($excerpt_no_html, 'summary') .'</itunes:summary>'.PHP_EOL;
else
echo "\t\t<itunes:summary>". powerpress_format_itunes_value($content_no_html_a, 'summary') .'</itunes:summary>'.PHP_EOL;
if( $author )
echo "\t\t<itunes:author>" . esc_html($author) . '</itunes:author>'.PHP_EOL;
else
echo "\t\t<itunes:author>".'NO AUTHOR</itunes:author>'.PHP_EOL;
// itunes episode image
if( !empty( $EpisodeData['itunes_image']) )
echo "\t\t".'<itunes:image href="' . esc_html( str_replace(' ', '+', $EpisodeData['itunes_image']), 'double') . '" />'.PHP_EOL;
else if( !empty($powerpress_feed['itunes_image']) )
echo "\t\t".'<itunes:image href="' . esc_html( str_replace(' ', '+', $powerpress_feed['itunes_image']), 'double') . '" />'.PHP_EOL;
}
if( $explicit )
echo "\t\t<itunes:explicit>" . $explicit . '</itunes:explicit>'.PHP_EOL;
if( $EpisodeData['duration'] && preg_match('/^(\d{1,2}:){0,2}\d{1,2}$/i', ltrim($EpisodeData['duration'], '0:') ) ) // Include duration if it is valid
echo "\t\t<itunes:duration>" . ltrim($EpisodeData['duration'], '0:') . '</itunes:duration>'.PHP_EOL;
if( $block && $block == 'yes' )
echo "\t\t<itunes:block>yes</itunes:block>".PHP_EOL;
if( $cc && $cc == 'yes' )
echo "\t\t<itunes:isClosedCaptioned>yes</itunes:isClosedCaptioned>".PHP_EOL;
if( !empty($powerpress_feed['itunes_feature']) ) // We are using the itunes:order option to feature a specific episode.
{
// Skip inserting the order tag
}
else
{
if( isset( $EpisodeData['order'] ) && is_numeric($EpisodeData['order']) )
echo "\t\t<itunes:order>". $EpisodeData['order'] ."</itunes:order>".PHP_EOL;
}
// Google Play tags:
if( !empty( $EpisodeData['gp_desc'] ) )
{
echo "\t\t<googleplay:description>". powerpress_format_itunes_value($EpisodeData['gp_desc'], 'summary') ."</googleplay:description>".PHP_EOL;
}
if( !empty( $EpisodeData['gp_explicit'] ) )
{
echo "\t\t<googleplay:explicit>yes</googleplay:explicit>".PHP_EOL;
}
if( !empty( $EpisodeData['gp_block'] ) )
{
echo "\t\t<googleplay:block>yes</googleplay:block>".PHP_EOL;
}
// RawVoice RSS Tags
if( empty($powerpress_feed['feed_maximizer_on']) )
{
if( !defined('POWERPRESS_RAWVOICE_RSS') || POWERPRESS_RAWVOICE_RSS != false )
{
if( !empty($EpisodeData['ishd']) )
echo "\t\t<rawvoice:isHD>yes</rawvoice:isHD>".PHP_EOL;;
if( !empty($EpisodeData['image']) )
echo "\t\t<rawvoice:poster url=\"". $EpisodeData['image'] ."\" />".PHP_EOL;
if( !empty($EpisodeData['embed']) )
echo "\t\t<rawvoice:embed>". htmlspecialchars($EpisodeData['embed']) ."</rawvoice:embed>".PHP_EOL;
else if( !empty($powerpress_feed['podcast_embed_in_feed']) && function_exists('powerpress_generate_embed') )
{
$player = powerpressplayer_embedable($EpisodeData['url'], $EpisodeData);
$embed_content = '';
// TODO:
if( $player )
$embed_content = powerpress_generate_embed($player, $EpisodeData);
if( $embed_content )
echo "\t\t<rawvoice:embed>". htmlspecialchars( $embed_content ) ."</rawvoice:embed>".PHP_EOL;
}
if( !empty($EpisodeData['webm_src']) )
{
echo "\t\t<rawvoice:webm src=\"". $EpisodeData['webm_src'] ."\"";
if( $EpisodeData['webm_length'] )
echo " length=\"". $EpisodeData['webm_length'] ."\"";
echo " type=\"video/webm\" />".PHP_EOL;
}
$GeneralSettings = get_option('powerpress_general');
if( !empty($GeneralSettings) && !empty($GeneralSettings['metamarks']) )
{
require_once(POWERPRESS_ABSPATH .'/powerpressadmin-metamarks.php');
powerpress_metamarks_print_rss2($EpisodeData);
}
}
}
}
add_action('rss2_item', 'powerpress_rss2_item');
function powerpress_filter_rss_enclosure($content)
{
if( defined('PODPRESS_VERSION') || isset($GLOBALS['podcasting_player_id']) || isset($GLOBALS['podcast_channel_active']) || defined('PODCASTING_VERSION') )
return $content; // Another podcasting plugin is enabled...
if( powerpress_is_custom_podcast_feed() && get_query_var('feed') != 'podcast' && !is_category() && !is_tag() && !is_tax() )
return ''; // We will handle this enclosure in the powerpress_rss2_item() function
$match_count = preg_match('/\surl="([^"]*)"/', $content, $matches);
if( count($matches) != 2)
return $content;
// Original Media URL
$OrigURL = $matches[1];
if( substr($OrigURL, 0, 5) != 'http:' && substr($OrigURL, 0, 6) != 'https:' )
return ''; // The URL value is invalid