GoogleDocs.php
118 lines
| 1 | <?php |
| 2 | namespace EmbedPress\Providers; |
| 3 | |
| 4 | use \Embera\Adapters\Service as EmberaService; |
| 5 | |
| 6 | (defined('ABSPATH') && defined('EMBEDPRESS_IS_LOADED')) or die("No direct script access allowed."); |
| 7 | |
| 8 | /** |
| 9 | * Entity responsible to support GoogleDocs embeds. |
| 10 | * |
| 11 | * @package EmbedPress |
| 12 | * @subpackage EmbedPress/Providers |
| 13 | * @author PressShack <help@pressshack.com> |
| 14 | * @copyright Copyright (C) 2016 Open Source Training, LLC. All rights reserved. |
| 15 | * @license GPLv2 or later |
| 16 | * @since 1.0.0 |
| 17 | */ |
| 18 | class GoogleDocs extends EmberaService |
| 19 | { |
| 20 | /** |
| 21 | * Method that verifies if the embed URL belongs to GoogleDocs. |
| 22 | * |
| 23 | * @since 1.0.0 |
| 24 | * |
| 25 | * @return boolean |
| 26 | */ |
| 27 | public function validateUrl() |
| 28 | { |
| 29 | return preg_match('~http[s]?:\/\/((?:www\.)?docs\.google\.com\/(?:document|presentation|spreadsheets|forms|drawings)\/[a-z0-9\/\?=_\-\.\,&%\$#\@\!\+]*)~i', $this->url); |
| 30 | } |
| 31 | |
| 32 | /** |
| 33 | * This method fakes an Oembed response. |
| 34 | * |
| 35 | * @since 1.0.0 |
| 36 | * |
| 37 | * @return array |
| 38 | */ |
| 39 | public function fakeResponse() |
| 40 | { |
| 41 | $iframeSrc = html_entity_decode($this->url); |
| 42 | |
| 43 | // Check the type of document |
| 44 | preg_match('~google\.com/(document|presentation|spreadsheets|forms|drawings)/~i', $iframeSrc, $matches); |
| 45 | $type = $matches[1]; |
| 46 | |
| 47 | switch ($type) { |
| 48 | case 'document': |
| 49 | // Check if the url still doesn't have the embedded param, and add if needed |
| 50 | if (!preg_match('~([?&])embedded=true~i', $iframeSrc, $matches)) { |
| 51 | if (substr_count($iframeSrc, '?')) { |
| 52 | $iframeSrc .= '&embedded=true'; |
| 53 | } else { |
| 54 | $iframeSrc .= '?embedded=true'; |
| 55 | } |
| 56 | } |
| 57 | break; |
| 58 | |
| 59 | case 'presentation': |
| 60 | // Convert the /pub to /embed if needed |
| 61 | if (preg_match('~/pub\?~i', $iframeSrc)) { |
| 62 | $iframeSrc = str_replace('/pub?', '/embed?', $iframeSrc); |
| 63 | } |
| 64 | break; |
| 65 | |
| 66 | case 'spreadsheets': |
| 67 | if (substr_count($iframeSrc, '?')) { |
| 68 | $query = explode('?', $iframeSrc); |
| 69 | $query = $query[1]; |
| 70 | $query = explode('&', $query); |
| 71 | |
| 72 | if (!empty($query)) { |
| 73 | $hasWidgetParam = false; |
| 74 | $hasHeadersParam = false; |
| 75 | |
| 76 | foreach ($query as $param) { |
| 77 | if (substr_count($param, 'widget=')) { |
| 78 | $hasWidgetParam = true; |
| 79 | } elseif (substr_count($param, 'headers=')) { |
| 80 | $hasHeadersParam = true; |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | if (!$hasWidgetParam) { |
| 85 | $iframeSrc .= '&widget=true'; |
| 86 | } |
| 87 | |
| 88 | if (!$hasHeadersParam) { |
| 89 | $iframeSrc .= '&headers=false'; |
| 90 | } |
| 91 | } |
| 92 | } else { |
| 93 | $iframeSrc .= '?widget=true&headers=false'; |
| 94 | } |
| 95 | break; |
| 96 | |
| 97 | case 'forms': |
| 98 | case 'drawings': |
| 99 | break; |
| 100 | } |
| 101 | |
| 102 | if ($type !== 'drawings') { |
| 103 | $html = '<iframe src="' . $iframeSrc . '" frameborder="0" width="600" height="450" allowfullscreen="true" mozallowfullscreen="true" webkitallowfullscreen="true"></iframe>'; |
| 104 | } else { |
| 105 | $html = '<img src="' . $iframeSrc . '" width="960" height="720" />'; |
| 106 | } |
| 107 | |
| 108 | return array( |
| 109 | 'type' => 'rich', |
| 110 | 'provider_name' => 'Google Docs', |
| 111 | 'provider_url' => 'http://docs.google.com', |
| 112 | 'title' => 'Unknown title', |
| 113 | 'html' => $html, |
| 114 | 'wrapper_class' => 'ose-google-docs-' . $type |
| 115 | ); |
| 116 | } |
| 117 | } |
| 118 |