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PATH: home / letacommog / entrepro / wp-content / plugins / rh-frontend / includes

<?php

/**
 * A class that handles the ajax calls made by the submission form.
 * 
 * @since 1.0.0
 * @package WPFEPP
 **/
class WPFEPP_Form_Ajax
{
	/**
	 * Class constructor. Loads the file of WPFEPP_Form class.
	 **/
	public function __construct( $version ){
		$this->version = $version;
		require_once plugin_dir_path( dirname(__FILE__) ) . 'includes/class-wpfepp-form.php';
	}

/**
	 * Adds ajax actions using wp_ajax_* hooks. The WPFEPP_Loader class registers this function with WordPress.
	 **/
	public function add_actions(){
		add_action( 'wp_ajax_wpfepp_handle_submission_ajax', array($this, 'handle_submission_ajax') );
		add_action( 'wp_ajax_wpfepp_get_thumbnail', array($this, 'get_thumbnail') );
		add_action( 'wp_ajax_wpfepp_get_parser_thumbnail', array($this, 'get_parser_thumbnail') );
	}

/**
	 * Ajax function that processes data submitted by users and prints out the appropriate response as a json encoded string.
	 *
	 * @param array The $_POST array.
	 * @return string A json encoded string.
	 **/
	public function handle_submission_ajax(){
		$form_id = $_POST['form_id'];
		$form = new WPFEPP_Form($this->version, $form_id, false);
		
		if( $_POST['req_type'] == 'submit' ){
			$result = $form->handle_submission($_POST);
		}
		elseif( $_POST['req_type'] == 'save' ){
			$result = $form->save_draft($_POST);
		}
		die(json_encode($result));
	}

/**
	 * Ajax function that prints out the HTML of a thumbnail. Used when the user selects a featured image.
	 *
	 * @param array The $_POST array.
	 * @return string HTML source of a thumbnail.
	 **/
	public function get_thumbnail(){
		$image_id = $_POST['id'];
		ob_start();
		echo wp_get_attachment_image( $image_id, array(200,200) );
		$image = ob_get_clean();
		$return_val = array('success'=>true, 'image'=>$image);
		die(json_encode($return_val));
	}
	
	/**
	 * Ajax image parser function
	 *
	 * @param array The $_POST array.
	 * @return JSON object/array with urls of parsered images.
	**/
	public function get_parser_thumbnail(){
		if( empty( $_POST['ext_url']) ) {
			$return_val = array( 'success'=>true, 'pictures'=>'no_url' );
		} else {
			$ext_url = $_POST['ext_url'];
			//check if the given URL is an image
			$regex_image = '/\.png|\.jpg|\.jpeg/i';
			$file_is_image = preg_match($regex_image, $ext_url);
			if( $file_is_image ) {
				$return_val = array( 'success'=>true, 'pictures'=>array($ext_url) );
			}else{
				$images = array();
				$host = parse_url( $ext_url, PHP_URL_HOST );
				$args = array( 
					'timeout' => 30,
					'httpversion' => '1.1',
					'user-agent'  => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.101 Safari/537.36'
					);
				$response = wp_safe_remote_get( $ext_url, $args );
				
				if( !is_wp_error( $response ) && wp_remote_retrieve_response_code( $response ) == '200' ) {
					$body_response = wp_remote_retrieve_body( $response );
					$doc = new DOMDocument();
					libxml_use_internal_errors(true);
					$doc->loadHTML( $body_response );
					libxml_clear_errors();
					//parser image URL from 'meta' tag
					$metas = $doc->getElementsByTagName( 'meta' );
					if( $metas->length > 1 ){
						foreach ( $metas as $meta ){
							$property = $meta->getAttribute( 'property' );
							if( $property == 'og:image' || $property == 'twitter:image' )
								$images[] = $meta->getAttribute( 'content' );
						}
					}
					//parser image URLs from 'img' tag
					$tags = $doc->getElementsByTagName( 'img' );
					$data_attr = array('data-src', 'data-img', 'data-zoom', 'data-zoom-url', 'data-old-hires', 'data-original', 'src');
					$i = 0;
					foreach ( $tags as $tag ) {
						for( $k = 0; $k < count( $data_attr ); $k++ ) {
							$src = $tag->getAttribute( $data_attr[$k] );
							if( !empty( $src ) )
								break;
						}
						if( 0 === strpos($src, '//') && false === strpos($src, '://') )
							$src = 'https:' . $src;
						if( false === strpos($src, 'https:') && false === strpos($src, 'http:') && false === strpos($src, $host) )
							$src = 'https://'. $host .'/'. $src;
						if( preg_match($regex_image, $src) && !preg_match('/ebaystatic|sprites/i', $src) ) {
							if(preg_match('/(ebayimg).+(s-l300)/', $src)) $src = str_replace('s-l300', 's-l500', $src); // substitutes ebay image url with a width of 300px to 500px
							if(preg_match('/flixcart|paytm/i', $src)) $src = preg_replace('/^(.+?)(\?.*?)?(#.*)?$/', '$1$3', $src); // deletes GET parameter
							$images[] = $src; 
						}
						$i++;
						if( $i == 99 )
							break;
					}
					$return_val = array( 'success'=>true, 'pictures'=>$images );
				} else {
					$return_val = is_wp_error( $response ) ? array( 'errors'=> $response->get_error_message() ) : $response['response'];
				}
			}
		}
		die( json_encode( $return_val ) );
	}
}

[+] ..
[-] class-wpfepp-loader.php [edit]
[-] class-update-checker.php [edit]
[-] class-wpfepp-copyscape.php [edit]
[-] class-wpfepp-post-previews.php [edit]
[-] paid-functions.php [edit]
[-] class-wpfepp-captcha.php [edit]
[-] class-wpfepp-form-ajax.php [edit]
[-] class-wpfepp-db-table.php [edit]
[-] class-wpfepp-wc-package.php [edit]
[+] partials
[-] class-wpfepp-image.php [edit]
[-] class-wpfepp-shortcode-manager.php [edit]
[-] class-wpfepp-post-list.php [edit]
[-] class-wpfepp-helpers.php [edit]
[-] class-frontend-publishing-pro.php [edit]
[-] global-functions.php [edit]
[-] class-wpfepp-email-manager.php [edit]
[-] hook-functions.php [edit]
[-] class-wpfepp-form.php [edit]