This commit is contained in:
Peter Molnar 2016-07-22 10:47:02 +00:00
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
Tags: RSS, feed, featured image, attachment Tags: RSS, feed, featured image, attachment
Requires at least: 3.0 Requires at least: 3.0
Tested up to: 4.4.2 Tested up to: 4.4.2
Stable tag: 0.1.1 Stable tag: 0.2
License: GPLv3 License: GPLv3
License URI: http://www.gnu.org/licenses/gpl-3.0.html License URI: http://www.gnu.org/licenses/gpl-3.0.html
Required minimum PHP version: 5.3 Required minimum PHP version: 5.3
@ -32,6 +32,13 @@ Version numbering logic:
* every .B version indicates new features. * every .B version indicates new features.
* every ..C indicates bugfixes for A.B version. * every ..C indicates bugfixes for A.B version.
= 0.2 =
*2016-07-22*
* switched to namespace
* max 80 char long lines
= 0.1.1 = = 0.1.1 =
*2016-03-08* *2016-03-08*

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