<?php

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namespace EmbedPress\Providers;

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use Embera\Provider\ProviderAdapter;

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use Embera\Provider\ProviderInterface;

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use Embera\Url;

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(defined('ABSPATH') && defined('EMBEDPRESS_IS_LOADED')) or die("No direct script access allowed.");

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/**

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* Entity responsible to support GoogleMaps embeds.

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*

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* @package EmbedPress

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* @subpackage EmbedPress/Providers

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* @author EmbedPress <help@embedpress.com>

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* @copyright Copyright (C) 2023 WPDeveloper. All rights reserved.

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* @license GPLv3 or later

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* @since 1.0.0

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*/

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class GoogleMaps extends ProviderAdapter implements ProviderInterface

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{

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/** inline {@inheritdoc} */

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protected static $hosts = ["google.com", "google.com.*", "maps.google.com", "goo.gl", "google.co.*"];

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/**

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* Method that verifies if the embed URL belongs to GoogleMaps.

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*

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* @param Url $url

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* @return boolean

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* @since 1.0.0

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*

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*/

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public function validateUrl(Url $url)

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{

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return (bool) preg_match('~http[s]?:\/\/(?:(?:(?:www\.|maps\.)?(?:google\.com?))|(?:goo\.gl))(?:\.[a-z]{2})?\/(?:maps\/)?(?:place\/)?(?:[a-z0-9\/%+\-_]*)?([a-z0-9\/%,+\-_=!:@\.&*\$#?\']*)~i',

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(string) $url);

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}

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public function validateGoogleMapUrl($url)

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{

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return (bool) preg_match('~http[s]?:\/\/(?:(?:(?:www\.|maps\.)?(?:google\.com?))|(?:goo\.gl))(?:\.[a-z]{2})?\/(?:maps\/)?(?:place\/)?(?:[a-z0-9\/%+\-_]*)?([a-z0-9\/%,+\-_=!:@\.&*\$#?\']*)~i',

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(string) $url);

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}

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/**

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* This method fakes an Oembed response.

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*

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* @since 1.0.0

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*

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* @return array

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*/

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public function fakeResponse()

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{

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$src_url = urldecode($this->url);

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preg_match('/(?<=mid=).*$/', $src_url, $matches);

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$iframeSrc = '';

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$mid = '';

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if (!empty($matches)) {

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$mid = $matches[0].'&ehbc=2E312F';

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}

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// Check if the url is already converted to the embed format

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if (preg_match('~(maps/embed|output=embed)~i', $src_url)) {

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$iframeSrc = $src_url;

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}

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else {

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// Extract coordinates and zoom from the url

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if (preg_match('~(?:maps\/(?:place|(?:dir\/.+?))\/(.+)\/)?@(-?[0-9\.]+,-?[0-9\.]+).+,([0-9\.]+[a-z])~i', $src_url, $matches)) {

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$place_name = str_replace("+"," ",$matches[1]);

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$z = floatval( $matches[3]);

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$iframeSrc = 'https://maps.google.com/maps?hl=en&ie=UTF8&ll=' . $matches[2] . '&spn=' . $matches[2] . '&q='.$place_name.'&t=m&z=' . round($z) . '&output=embed&iwloc';

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}

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else if ($this->validateGoogleMapUrl($src_url)){

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$iframeSrc = 'https://www.google.com/maps/d/embed?mid='.$mid;

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}

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else {

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return [];

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}

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}

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$width = isset( $this->config['maxwidth']) ? $this->config['maxwidth']: 600;

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$height = isset( $this->config['maxheight']) ? $this->config['maxheight']: 450;

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return [

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'type' => 'rich',

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'provider_name' => 'Google Maps',

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'provider_url' => 'https://maps.google.com',

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'title' => 'Unknown title',

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'html' => '<iframe title="" width="'.esc_attr($width).'" height="'.esc_attr($height).'" src="'.esc_url($iframeSrc).'" frameborder="0"></iframe>',

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];

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}

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/** inline @inheritDoc */

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public function modifyResponse( array $response = [])

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{

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return $this->fakeResponse();

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}

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}

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