0.2
This commit is contained in:
Peter Molnar
parent
71fa8a766b
commit
0fc17ec338
2 changed files with 196 additions and 185 deletions
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@ -4,7 +4,7 @@ Donate link: https://paypal.me/petermolnar/3
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Tags: RSS, feed, featured image, attachment
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Requires at least: 3.0
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Tested up to: 4.4.2
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Stable tag: 0.1.1
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Stable tag: 0.2
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License: GPLv3
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License URI: http://www.gnu.org/licenses/gpl-3.0.html
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Required minimum PHP version: 5.3
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@ -32,6 +32,13 @@ Version numbering logic:
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* every .B version indicates new features.
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* every ..C indicates bugfixes for A.B version.
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= 0.2 =
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*2016-07-22*
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* switched to namespace
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* max 80 char long lines
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= 0.1.1 =
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*2016-03-08*
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@ -2,8 +2,8 @@
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/*
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Plugin Name: wp-featured2rss
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Plugin URI: https://github.com/petermolnar/wp-featured2rss
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Description: WordPress plugin to add featured image to RSS feed as attachment (which WordPress doesn't do by default)
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Version: 0.1.1
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Description: WordPress plugin to add featured image to RSS feed as attachment
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Version: 0.3
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Author: Peter Molnar <hello@petermolnar.eu>
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Author URI: http://petermolnar.eu/
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License: GPLv3
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@ -26,191 +26,195 @@ Required minimum PHP version: 5.3
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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if (!class_exists('WP_FEATURED2RSS')):
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namespace WP_FEATURED2RSS;
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class WP_FEATURED2RSS {
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const expire = 30;
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define ( 'WP_FEATURED2RSS\expire', 30000 );
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\register_activation_hook( __FILE__ , 'WP_FEATURED2RSS\plugin_activate' );
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\add_action( 'rss2_item', 'WP_FEATURED2RSS\insert_enclosure_image');
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public function __construct () {
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register_activation_hook( __FILE__ , array( &$this, 'plugin_activate' ) );
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add_action( 'rss2_item', array(&$this,'insert_enclosure_image') );
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/**
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* activate hook
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*/
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function plugin_activate() {
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if ( version_compare( phpversion(), 5.3, '<' ) ) {
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die( 'The minimum PHP version required for this plugin is 5.3' );
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}
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/**
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* activate hook
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*/
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public static function plugin_activate() {
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if ( version_compare( phpversion(), 5.3, '<' ) ) {
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die( 'The minimum PHP version required for this plugin is 5.3' );
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}
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}
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/**
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*
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*/
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public static function insert_enclosure_image ( ) {
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$post = static::fix_post();
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static::debug('insterting featured image to rss',7);
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if ($post === false )
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return false;
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$thid = get_post_thumbnail_id( $post->ID );
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if ( ! $thid )
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return false;
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if ( $cached = wp_cache_get ( $thid, __CLASS__ . __FUNCTION__ ) )
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return $cached;
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$asize = false;
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$meta = wp_get_attachment_metadata($thid);
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// creating sorted candidates array from available sizes,
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// sorted by width*height pixels
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$candidates = array();
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foreach( $meta['sizes'] as $potential => $details ) {
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if ( isset($details['width']) && isset($details['height']) ) {
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$max = ((int)$details['width']) * ((int)$details['height']);
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$candidates[ $potential ] = $max;
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}
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}
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arsort($candidates);
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foreach ($candidates as $potential => $maxsize ) {
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static::debug('checking size ' . $potential . ': ' . $meta['sizes'][$potential]['file'] . ' vs ' .$meta['file'], 7 );
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if (isset($meta['sizes'][$potential]) && isset($meta['sizes'][$potential]['file']) && $meta['sizes'][$potential]['file'] != $meta['file']) {
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static::debug( $meta['sizes'][$potential]['file'] . ' look like a resized file, using it', 7);
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$asize = $potential;
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$img = wp_get_attachment_image_src( $thid, $potential );
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break;
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}
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}
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if ( $asize == false )
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return false;
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$upload_dir = wp_upload_dir();
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// check for cached version of the image, in case the plugin is used
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// in tandem with [wp-resized2cache](https://github.com/petermolnar/wp-resized2rss)
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$cached = WP_CONTENT_DIR . '/cache/' . $meta['sizes'][$asize]['file'];
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$file = $upload_dir['basedir'] . '/' . $meta['sizes'][$asize]['file'];
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if ( file_exists($cached))
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$fsize = filesize($cached);
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elseif ( file_exists($file) )
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$fsize = filesize($file);
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else
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return false;
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$mime = $meta['sizes'][$asize]['mime-type'];
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$str = sprintf('<enclosure url="%s" type="%s" length="%s" />',static::fix_url($img[0]),$mime,$fsize);
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wp_cache_set ( $thid, $str, __CLASS__ . __FUNCTION__, static::expire );
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echo $str;
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}
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/**
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* do everything to get the Post object
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*/
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public static function fix_post ( &$post = null ) {
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if ($post === null || !static::is_post($post))
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global $post;
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if (static::is_post($post))
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return $post;
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return false;
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}
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/**
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* test if an object is actually a post
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*/
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public static function is_post ( &$post ) {
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if ( !empty($post) && is_object($post) && isset($post->ID) && !empty($post->ID) )
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return true;
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return false;
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}
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/**
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*
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* debug messages; will only work if WP_DEBUG is on
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* or if the level is LOG_ERR, but that will kill the process
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*
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* @param string $message
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* @param int $level
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*
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* @output log to syslog | wp_die on high level
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* @return false on not taking action, true on log sent
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*/
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public static function debug( $message, $level = LOG_NOTICE ) {
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if ( empty( $message ) )
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return false;
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if ( @is_array( $message ) || @is_object ( $message ) )
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$message = json_encode($message);
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$levels = array (
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LOG_EMERG => 0, // system is unusable
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LOG_ALERT => 1, // Alert action must be taken immediately
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LOG_CRIT => 2, // Critical critical conditions
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LOG_ERR => 3, // Error error conditions
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LOG_WARNING => 4, // Warning warning conditions
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LOG_NOTICE => 5, // Notice normal but significant condition
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LOG_INFO => 6, // Informational informational messages
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LOG_DEBUG => 7, // Debug debug-level messages
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);
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// number for number based comparison
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// should work with the defines only, this is just a make-it-sure step
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$level_ = $levels [ $level ];
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// in case WordPress debug log has a minimum level
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if ( defined ( 'WP_DEBUG_LEVEL' ) ) {
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$wp_level = $levels [ WP_DEBUG_LEVEL ];
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if ( $level_ > $wp_level ) {
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return false;
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}
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}
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// ERR, CRIT, ALERT and EMERG
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if ( 3 >= $level_ ) {
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wp_die( '<h1>Error:</h1>' . '<p>' . $message . '</p>' );
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exit;
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}
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$trace = debug_backtrace();
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$caller = $trace[1];
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$parent = $caller['function'];
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if (isset($caller['class']))
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$parent = $caller['class'] . '::' . $parent;
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return error_log( "{$parent}: {$message}" );
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}
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/**
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*
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*/
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public static function fix_url ( $url, $absolute = true ) {
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// move to generic scheme
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$url = str_replace ( array('http://', 'https://'), 'https://', $url );
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$domain = parse_url(get_bloginfo('url'), PHP_URL_HOST);
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// relative to absolute
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if ($absolute && !stristr($url, $domain)) {
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$url = 'https://' . $domain . '/' . ltrim($url, '/');
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}
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return $url;
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}
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}
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$WP_FEATURED2RSS = new WP_FEATURED2RSS();
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/**
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*
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*/
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function insert_enclosure_image ( ) {
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endif;
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$post = fix_post();
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if ($post === false )
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return false;
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$thid = get_post_thumbnail_id( $post->ID );
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if ( ! $thid )
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return false;
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debug('insterting featured image to rss',7);
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if ( $cached = wp_cache_get ( $thid, __NAMESPACE__ . __FUNCTION__ ) )
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return $cached;
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$asize = false;
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$meta = wp_get_attachment_metadata($thid);
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// creating sorted candidates array from available sizes,
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// sorted by width*height pixels
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$candidates = array();
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foreach( $meta['sizes'] as $potential => $details ) {
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if ( isset($details['width']) && isset($details['height']) ) {
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$max = ((int)$details['width']) * ((int)$details['height']);
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$candidates[ $potential ] = $max;
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}
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}
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arsort($candidates);
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foreach ($candidates as $potential => $maxsize ) {
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debug( "checking size {$potential}: "
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."{$meta['sizes'][$potential]['file']} vs {$meta['file']}", 7 );
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if ( isset( $meta['sizes'][$potential] ) &&
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isset( $meta['sizes'][$potential]['file'] ) &&
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$meta['sizes'][$potential]['file'] != $meta['file']
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) {
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debug( "{$meta['sizes'][$potential]['file']} look like a resized file;".
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" using it", 7 );
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$asize = $potential;
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$img = wp_get_attachment_image_src( $thid, $potential );
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break;
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}
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}
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if ( $asize == false )
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return false;
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$upload_dir = wp_upload_dir();
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// check for cached version of the image, in case the plugin is used
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// in tandem with https://github.com/petermolnar/wp-resized2rss
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$cached = WP_CONTENT_DIR . '/cache/' . $meta['sizes'][$asize]['file'];
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$file = $upload_dir['basedir'] . '/' . $meta['sizes'][$asize]['file'];
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if ( file_exists($cached))
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$fsize = filesize($cached);
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elseif ( file_exists($file) )
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$fsize = filesize($file);
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else
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return false;
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$mime = $meta['sizes'][$asize]['mime-type'];
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$str = sprintf(
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'<enclosure url="%s" type="%s" length="%s" />',
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\site_url( $img[0] ),
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$mime,
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$fsize
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);
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wp_cache_set ( $thid, $str, __NAMESPACE__ . __FUNCTION__, expire );
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echo $str;
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}
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/**
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* do everything to get the Post object
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*/
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function fix_post ( &$post = null ) {
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if ($post === null || !is_post($post))
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global $post;
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if (is_post($post))
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return $post;
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return false;
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}
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/**
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* test if an object is actually a post
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*/
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function is_post ( &$post ) {
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if ( ! empty( $post ) &&
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is_object( $post ) &&
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isset( $post->ID ) &&
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! empty( $post->ID ) )
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return true;
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return false;
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}
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/**
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*
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* debug messages; will only work if WP_DEBUG is on
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* or if the level is LOG_ERR, but that will kill the process
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*
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* @param string $message
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* @param int $level
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*
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* @output log to syslog | wp_die on high level
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* @return false on not taking action, true on log sent
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*/
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function debug( $message, $level = LOG_NOTICE ) {
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if ( empty( $message ) )
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return false;
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if ( @is_array( $message ) || @is_object ( $message ) )
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$message = json_encode($message);
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$levels = array (
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LOG_EMERG => 0, // system is unusable
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LOG_ALERT => 1, // Alert action must be taken immediately
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LOG_CRIT => 2, // Critical critical conditions
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LOG_ERR => 3, // Error error conditions
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LOG_WARNING => 4, // Warning warning conditions
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LOG_NOTICE => 5, // Notice normal but significant condition
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LOG_INFO => 6, // Informational informational messages
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LOG_DEBUG => 7, // Debug debug-level messages
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);
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// number for number based comparison
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// should work with the defines only, this is just a make-it-sure step
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$level_ = $levels [ $level ];
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// in case WordPress debug log has a minimum level
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if ( defined ( 'WP_DEBUG_LEVEL' ) ) {
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$wp_level = $levels [ WP_DEBUG_LEVEL ];
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if ( $level_ > $wp_level ) {
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return false;
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}
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}
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// ERR, CRIT, ALERT and EMERG
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if ( 3 >= $level_ ) {
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wp_die( '<h1>Error:</h1>' . '<p>' . $message . '</p>' );
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exit;
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}
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$trace = debug_backtrace();
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$caller = $trace[1];
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$parent = $caller['function'];
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if (isset($caller['class']))
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$parent = $caller['class'] . '::' . $parent;
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return error_log( "{$parent}: {$message}" );
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}
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/**
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*
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*
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function fix_url ( $url, $absolute = true ) {
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// move to generic scheme
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$url = str_replace ( array('http://', 'https://'), 'https://', $url );
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$domain = parse_url(get_bloginfo('url'), PHP_URL_HOST);
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// relative to absolute
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if ($absolute && !stristr($url, $domain)) {
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$url = 'https://' . $domain . '/' . ltrim($url, '/');
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}
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return $url;
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}
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*/
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