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SelfHosted.php
180 lines
| 1 | <?php |
| 2 | |
| 3 | namespace EmbedPress\Providers; |
| 4 | |
| 5 | use Embera\Provider\ProviderAdapter; |
| 6 | use Embera\Provider\ProviderInterface; |
| 7 | use Embera\Url; |
| 8 | |
| 9 | (defined('ABSPATH') && defined('EMBEDPRESS_IS_LOADED')) or die("No direct script access allowed."); |
| 10 | |
| 11 | /** |
| 12 | * Entity responsible to support SelfHosted embeds. |
| 13 | * |
| 14 | * @package EmbedPress |
| 15 | * @subpackage EmbedPress/Providers |
| 16 | * @author EmbedPress <help@embedpress.com> |
| 17 | * @copyright Copyright (C) 2020 WPDeveloper. All rights reserved. |
| 18 | * @license GPLv3 or later |
| 19 | * @since 1.0.0 |
| 20 | */ |
| 21 | |
| 22 | class SelfHosted extends ProviderAdapter implements ProviderInterface |
| 23 | { |
| 24 | |
| 25 | /** Original URL with port preserved — Embera\Url::__toString() drops the |
| 26 | * port, which breaks self-hosted media on dev hosts like localhost:8080. */ |
| 27 | protected $rawUrl; |
| 28 | |
| 29 | public function __construct($url, array $config = []) |
| 30 | { |
| 31 | parent::__construct($url, $config); |
| 32 | $this->rawUrl = (string) $url; |
| 33 | $hosts_url = parse_url($url); |
| 34 | $this->addHost($hosts_url['host']); |
| 35 | } |
| 36 | |
| 37 | /** |
| 38 | * Returns the source URL with the original port restored. Embera's |
| 39 | * Url object strips the port in __toString(), so self-hosted assets |
| 40 | * served from non-standard ports (e.g. http://localhost:8080) end up |
| 41 | * pointing at the wrong origin in the rendered <video>/<audio> tag. |
| 42 | */ |
| 43 | protected function srcUrl() |
| 44 | { |
| 45 | $orig = parse_url($this->rawUrl); |
| 46 | if (empty($orig['port'])) { |
| 47 | return (string) $this->url; |
| 48 | } |
| 49 | $cur = parse_url((string) $this->url); |
| 50 | if (!empty($cur['port'])) { |
| 51 | return (string) $this->url; |
| 52 | } |
| 53 | $rebuilt = (isset($cur['scheme']) ? $cur['scheme'] : 'http') . '://' |
| 54 | . (isset($cur['host']) ? $cur['host'] : $orig['host']) . ':' . $orig['port'] |
| 55 | . (isset($cur['path']) ? $cur['path'] : '') |
| 56 | . (isset($cur['query']) ? '?' . $cur['query'] : '') |
| 57 | . (isset($cur['fragment']) ? '#' . $cur['fragment'] : ''); |
| 58 | return $rebuilt; |
| 59 | } |
| 60 | |
| 61 | /** inline {@inheritdoc} */ |
| 62 | |
| 63 | |
| 64 | /** |
| 65 | * Method that verifies if the embed URL belongs to SelfHosted. |
| 66 | * |
| 67 | * @param Url $url |
| 68 | * @return boolean |
| 69 | * @since 1.0.0 |
| 70 | * |
| 71 | */ |
| 72 | public function validateUrl(Url $url) |
| 73 | { |
| 74 | return (bool) preg_match( |
| 75 | '/^(https?:\/\/)?(www\.)?([a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,24}|localhost|(\d{1,3}\.){3}\d{1,3})(:[0-9]{1,5})?(\/.*)?$/i', |
| 76 | (string) $url |
| 77 | ); |
| 78 | } |
| 79 | |
| 80 | public function validateSelfHostedVideo($url) |
| 81 | { |
| 82 | // Strip query string / fragment before extension test — streaming |
| 83 | // manifests often carry signed-URL parameters (?token=…&exp=…). |
| 84 | $path = preg_replace('/[?#].*$/', '', (string) $url); |
| 85 | return (bool) preg_match( |
| 86 | '/\.(mp4|mov|avi|wmv|flv|mkv|webm|mpeg|mpg|m3u8|mpd)$/i', |
| 87 | $path |
| 88 | ); |
| 89 | } |
| 90 | public function validateSelfHostedAudio($url) |
| 91 | { |
| 92 | return (bool) preg_match( |
| 93 | '/\.(mp3|wav|ogg|aac)$/i', |
| 94 | (string) $url |
| 95 | ); |
| 96 | } |
| 97 | |
| 98 | public function validateWrapper($url) |
| 99 | { |
| 100 | return (bool) preg_match( |
| 101 | '/^(https?:\/\/)?(www\.)?([a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,24}|localhost|(\d{1,3}\.){3}\d{1,3})(:[0-9]{1,5})?(\/.*)?$/i', |
| 102 | (string) $url |
| 103 | ); |
| 104 | } |
| 105 | |
| 106 | public function fileExtention($fileUrl) |
| 107 | { |
| 108 | $pathInfo = pathinfo($fileUrl); |
| 109 | |
| 110 | if (isset($pathInfo['extension'])) { |
| 111 | $fileExtension = $pathInfo['extension']; |
| 112 | return $fileExtension; |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | |
| 117 | |
| 118 | /** |
| 119 | * This method fakes an Oembed response. |
| 120 | * |
| 121 | * @since 1.0.0 |
| 122 | * |
| 123 | * @return array |
| 124 | */ |
| 125 | public function fakeResponse() |
| 126 | { |
| 127 | $media_url = $this->srcUrl(); |
| 128 | $src_url = urldecode($media_url); |
| 129 | $provider_name = 'Self Hosterd'; |
| 130 | |
| 131 | $width = isset($this->config['maxwidth']) ? $this->config['maxwidth'] : 600; |
| 132 | $height = isset($this->config['maxheight']) ? $this->config['maxheight'] : 450; |
| 133 | |
| 134 | // Check if the url is already converted to the embed format |
| 135 | if ($this->fileExtention($src_url) === 'ppsx' || $this->fileExtention($src_url) === 'pptx' || $this->fileExtention($src_url) === 'ppt' || $this->fileExtention($src_url) === 'xlsx' || $this->fileExtention($src_url) === 'xls' || $this->fileExtention($src_url) === 'doc' || $this->fileExtention($src_url) === 'docx') { |
| 136 | $src_url = '//view.officeapps.live.com/op/embed.aspx?src=' . $media_url; |
| 137 | } |
| 138 | |
| 139 | // Check if the url is already converted to the embed format |
| 140 | $html = ''; |
| 141 | if ($this->validateSelfHostedVideo($media_url)) { |
| 142 | $videoMime = [ |
| 143 | 'mp4' => 'video/mp4', 'mov' => 'video/quicktime', 'webm' => 'video/webm', |
| 144 | 'mkv' => 'video/x-matroska', 'avi' => 'video/x-msvideo', 'wmv' => 'video/x-ms-wmv', |
| 145 | 'flv' => 'video/x-flv', 'mpeg' => 'video/mpeg', 'mpg' => 'video/mpeg', |
| 146 | 'm3u8' => 'application/vnd.apple.mpegurl', |
| 147 | 'mpd' => 'application/dash+xml', |
| 148 | ]; |
| 149 | $ext_path = preg_replace('/[?#].*$/', '', $media_url); |
| 150 | $ext = strtolower($this->fileExtention($ext_path)); |
| 151 | $type = isset($videoMime[$ext]) ? $videoMime[$ext] : 'video/mp4'; |
| 152 | $html = '<video controls width="' . esc_attr($width) . '" height="' . esc_attr($height) . '"> <source src="' . esc_url($media_url) . '" type="' . esc_attr($type) . '"> </video>'; |
| 153 | } else if ($this->validateSelfHostedAudio($media_url)) { |
| 154 | $audioMime = [ 'mp3' => 'audio/mpeg', 'wav' => 'audio/wav', 'ogg' => 'audio/ogg', 'aac' => 'audio/aac' ]; |
| 155 | $ext = strtolower($this->fileExtention($media_url)); |
| 156 | $type = isset($audioMime[$ext]) ? $audioMime[$ext] : 'audio/mpeg'; |
| 157 | $html = '<audio controls> <source src="' . esc_url($media_url) . '" type="' . esc_attr($type) . '"></audio>'; |
| 158 | } else if ($this->validateWrapper($media_url)) { |
| 159 | $provider_name = 'Wrapper'; |
| 160 | |
| 161 | $html = '<iframe width="' . esc_attr($width) . '" height="' . esc_attr($height) . '" src="' . esc_url($src_url) . '" > </iframe>'; |
| 162 | } else { |
| 163 | return []; |
| 164 | } |
| 165 | |
| 166 | return [ |
| 167 | 'type' => 'rich', |
| 168 | 'provider_name' => $provider_name, |
| 169 | 'provider_url' => site_url(), |
| 170 | 'title' => 'Unknown title', |
| 171 | 'html' => $html, |
| 172 | ]; |
| 173 | } |
| 174 | /** inline @inheritDoc */ |
| 175 | public function modifyResponse(array $response = []) |
| 176 | { |
| 177 | return $this->fakeResponse(); |
| 178 | } |
| 179 | } |
| 180 |