laipower/wp-content/plugins/w3-total-cache/Extension_Swarmify_Plugin.php

147 lines
3.3 KiB
PHP

<?php
namespace W3TC;
class Extension_Swarmify_Plugin {
private $reject_reason = '';
private $_config = null;
function __construct() {
$this->_config = Dispatcher::config();
}
/**
* Runs plugin
*/
function run() {
add_filter( 'w3tc_config_default_values', array(
$this, 'w3tc_config_default_values' ) );
$config = Dispatcher::config();
// remainder only when extension is frontend-active
if ( !$config->is_extension_active_frontend( 'swarmify' ) )
return;
if ($this->_active()) {
Util_Bus::add_ob_callback( 'swarmify', array(
$this,
'ob_callback'
) );
}
add_filter( 'w3tc_footer_comment', array(
$this,
'w3tc_footer_comment'
) );
}
public function w3tc_config_default_values( $default_values ) {
$default_values['swarmify'] = array(
'reject.logged' => false,
'api_key' => '',
'handle.htmlvideo' => true,
'handle.jwplayer' => true
);
return $default_values;
}
function ob_callback( $buffer ) {
$c = $this->_config;
$api_key = $c->get_string( array( 'swarmify', 'api_key' ) );
$api_key = preg_replace( '~[^0-9a-zA-Z-]~', '', $api_key ); // make safe
$bootstrap_required = false;
if ( $c->get_boolean( array( 'swarmify', 'handle.htmlvideo' ) ) ) {
$count = 0;
$buffer = preg_replace( '~<video([^<>]+)>~i', '<swarmvideo\\1>',
$buffer, -1, $count );
if ( $count ) {
$buffer = preg_replace( '~<\\/video>~', '</swarmvideo>', $buffer );
$bootstrap_required = true;
}
}
if ( $c->get_boolean( array( 'swarmify', 'handle.jwplayer' ) ) ) {
$count = 0;
$buffer = preg_replace( '~jwplayer\s*\\(([^)]+)\\)\s*\\.setup\\(~', 'swarmify.jwPlayerEmbed(\\1, ',
$buffer, -1, $count );
if ( $count )
$bootstrap_required = true;
}
// add bootstrap swarmify script if there are really any videos on page
if ( $bootstrap_required ) {
$loader_script = '<script>' .
'var swarmoptions = {swarmcdnkey: "' . $api_key . '"};</script>' .
'<script src="//assets.swarmcdn.com/cross/swarmcdn.js"></script>';
$buffer = preg_replace( '~<head(\s+[^>]*)*>~Ui',
'\\0' . $loader_script, $buffer, 1 );
}
return $buffer;
}
function _active() {
$reject_reason = apply_filters( 'w3tc_swarmify_active', null );
if ( !empty( $reject_reason ) ) {
$this->reject_reason =
__( 'rejected by filter: ', 'w3-total-cache' ) . $reject_reason;
return false;
}
/**
* Disable for AJAX so its not messed up
*/
if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) {
$this->reject_reason = __( 'DOING_AJAX constant is defined', 'w3-total-cache' );
return false;
}
if ( defined( 'WP_ADMIN' ) ) {
$this->reject_reason = __( 'WP_ADMIN page', 'w3-total-cache' );
return false;
}
/**
* Check logged users
*/
if ( $this->_config->get_boolean( array( 'swarmify', 'reject.logged' ) ) &&
is_user_logged_in() ) {
$this->reject_reason = __( 'logged in user rejected',
'w3-total-cache' );
return false;
}
return true;
}
public function w3tc_footer_comment( $strings ) {
$append = ( $this->reject_reason != '' ) ?
sprintf( ' (%s)', $this->reject_reason ) : ' active';
$strings[] = sprintf(
__( "Swarmify%s", 'w3-total-cache' ),
$append );
return $strings;
}
}
$p = new Extension_Swarmify_Plugin();
$p->run();
if ( is_admin() ) {
$p = new Extension_Swarmify_Plugin_Admin();
$p->run();
}