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class.videopress-video.php
384 lines
| 1 | <?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName |
| 2 | |
| 3 | if ( ! defined( 'ABSPATH' ) ) { |
| 4 | exit( 0 ); |
| 5 | } |
| 6 | |
| 7 | /** |
| 8 | * VideoPress video object retrieved from VideoPress servers and parsed. |
| 9 | * |
| 10 | * @since 1.3 |
| 11 | */ |
| 12 | class VideoPress_Video { |
| 13 | /** |
| 14 | * VideoPress version. |
| 15 | * |
| 16 | * @var int |
| 17 | */ |
| 18 | public $version = 3; |
| 19 | |
| 20 | /** |
| 21 | * Manifest version returned by remote service. |
| 22 | * |
| 23 | * @var string |
| 24 | * @since 1.3 |
| 25 | */ |
| 26 | const manifest_version = '1.5'; // phpcs:ignore Generic.NamingConventions.UpperCaseConstantName.ClassConstantNotUpperCase |
| 27 | |
| 28 | /** |
| 29 | * Expiration of the video expressed in Unix time |
| 30 | * |
| 31 | * @var int |
| 32 | * @since 1.3 |
| 33 | */ |
| 34 | public $expires; |
| 35 | |
| 36 | /** |
| 37 | * VideoPress unique identifier |
| 38 | * |
| 39 | * @var string |
| 40 | * @since 1.3 |
| 41 | */ |
| 42 | public $guid; |
| 43 | |
| 44 | /** |
| 45 | * WordPress.com blog identifier |
| 46 | * |
| 47 | * @var int |
| 48 | * @since 1.5 |
| 49 | */ |
| 50 | public $blog_id; |
| 51 | |
| 52 | /** |
| 53 | * Remote blog attachment identifier |
| 54 | * |
| 55 | * @var int |
| 56 | * @since 1.5 |
| 57 | */ |
| 58 | public $post_id; |
| 59 | |
| 60 | /** |
| 61 | * Maximum desired width. |
| 62 | * |
| 63 | * @var int |
| 64 | * @since 1.3 |
| 65 | */ |
| 66 | public $maxwidth; |
| 67 | |
| 68 | /** |
| 69 | * Video width calculated based on original video dimensions and the requested maxwidth |
| 70 | * |
| 71 | * @var int |
| 72 | * @since 1.3 |
| 73 | */ |
| 74 | public $calculated_width; |
| 75 | |
| 76 | /** |
| 77 | * Video height calculated based on original video dimensions and the requested maxwidth |
| 78 | * |
| 79 | * @var int |
| 80 | * @since 1.3 |
| 81 | */ |
| 82 | public $calculated_height; |
| 83 | |
| 84 | /** |
| 85 | * Video title |
| 86 | * |
| 87 | * @var string |
| 88 | * @since 1.3 |
| 89 | */ |
| 90 | public $title; |
| 91 | |
| 92 | /** |
| 93 | * Video description |
| 94 | * |
| 95 | * @var string |
| 96 | * @since 4.4 |
| 97 | */ |
| 98 | public $description; |
| 99 | |
| 100 | /** |
| 101 | * Directionality of title text. ltr or rtl |
| 102 | * |
| 103 | * @var string |
| 104 | * @since 1.3 |
| 105 | */ |
| 106 | public $text_direction; |
| 107 | |
| 108 | /** |
| 109 | * Text and audio language as ISO 639-2 language code |
| 110 | * |
| 111 | * @var string |
| 112 | * @since 1.3 |
| 113 | */ |
| 114 | public $language; |
| 115 | |
| 116 | /** |
| 117 | * Video duration in whole seconds |
| 118 | * |
| 119 | * @var int |
| 120 | * @since 1.3 |
| 121 | */ |
| 122 | public $duration; |
| 123 | |
| 124 | /** |
| 125 | * Recommended minimum age of the viewer. |
| 126 | * |
| 127 | * @var int |
| 128 | * @since 1.3 |
| 129 | */ |
| 130 | public $age_rating; |
| 131 | |
| 132 | /** |
| 133 | * Video author has restricted video embedding or sharing |
| 134 | * |
| 135 | * @var bool |
| 136 | * @since 1.3 |
| 137 | */ |
| 138 | public $restricted_embed; |
| 139 | |
| 140 | /** |
| 141 | * Poster frame image URI for the given video guid and calculated dimensions. |
| 142 | * |
| 143 | * @var string |
| 144 | * @since 1.3 |
| 145 | */ |
| 146 | public $poster_frame_uri; |
| 147 | |
| 148 | /** |
| 149 | * Video files associated with the given guid for the calculated dimensions. |
| 150 | * |
| 151 | * @var stdClass |
| 152 | * @since 1.3 |
| 153 | */ |
| 154 | public $videos; |
| 155 | |
| 156 | /** |
| 157 | * Video player information |
| 158 | * |
| 159 | * @var stdClass |
| 160 | * @since 1.3 |
| 161 | */ |
| 162 | public $players; |
| 163 | |
| 164 | /** |
| 165 | * Video player skinning preferences including background color and watermark |
| 166 | * |
| 167 | * @var array |
| 168 | * @since 1.5 |
| 169 | */ |
| 170 | public $skin; |
| 171 | |
| 172 | /** |
| 173 | * Closed captions if available for the given video. Associative array of ISO 639-2 language code and a WebVTT URI |
| 174 | * |
| 175 | * @var array |
| 176 | * @since 1.5 |
| 177 | */ |
| 178 | public $captions; |
| 179 | |
| 180 | /** |
| 181 | * Error data. |
| 182 | * |
| 183 | * @var mixed |
| 184 | */ |
| 185 | public $error; |
| 186 | |
| 187 | /** |
| 188 | * Setup the object. |
| 189 | * Request video information from VideoPress servers and process the response. |
| 190 | * |
| 191 | * @since 1.3 |
| 192 | * @param string $guid VideoPress unique identifier. |
| 193 | * @param int $maxwidth maximum requested video width. final width and height are calculated on VideoPress servers based on the aspect ratio of the original video upload. |
| 194 | */ |
| 195 | public function __construct( $guid, $maxwidth = 640 ) { |
| 196 | $this->guid = $guid; |
| 197 | |
| 198 | $maxwidth = absint( $maxwidth ); |
| 199 | if ( $maxwidth > 0 ) { |
| 200 | $this->maxwidth = $maxwidth; |
| 201 | } |
| 202 | |
| 203 | $data = $this->get_data(); |
| 204 | if ( is_wp_error( $data ) || empty( $data ) ) { |
| 205 | /** This filter is documented in modules/videopress/class.videopress-player.php */ |
| 206 | if ( ! apply_filters( 'jetpack_videopress_use_legacy_player', false ) ) { |
| 207 | // Unlike the Flash player, the new player does it's own error checking, age gate, etc. |
| 208 | $data = (object) array( |
| 209 | 'guid' => $guid, |
| 210 | 'width' => $maxwidth, |
| 211 | 'height' => $maxwidth / 16 * 9, |
| 212 | ); |
| 213 | } else { |
| 214 | $this->error = $data; |
| 215 | return; |
| 216 | } |
| 217 | } |
| 218 | |
| 219 | if ( isset( $data->blog_id ) ) { |
| 220 | $this->blog_id = absint( $data->blog_id ); |
| 221 | } |
| 222 | |
| 223 | if ( isset( $data->post_id ) ) { |
| 224 | $this->post_id = absint( $data->post_id ); |
| 225 | } |
| 226 | |
| 227 | if ( isset( $data->title ) && $data->title !== '' ) { |
| 228 | $this->title = trim( str_replace( ' ', ' ', $data->title ) ); |
| 229 | } |
| 230 | |
| 231 | if ( isset( $data->description ) && $data->description !== '' ) { |
| 232 | $this->description = trim( $data->description ); |
| 233 | } |
| 234 | |
| 235 | if ( isset( $data->text_direction ) && $data->text_direction === 'rtl' ) { |
| 236 | $this->text_direction = 'rtl'; |
| 237 | } else { |
| 238 | $this->text_direction = 'ltr'; |
| 239 | } |
| 240 | |
| 241 | if ( isset( $data->language ) ) { |
| 242 | $this->language = $data->language; |
| 243 | } |
| 244 | |
| 245 | if ( isset( $data->duration ) && $data->duration > 0 ) { |
| 246 | $this->duration = absint( $data->duration ); |
| 247 | } |
| 248 | |
| 249 | if ( isset( $data->width ) && $data->width > 0 ) { |
| 250 | $this->calculated_width = absint( $data->width ); |
| 251 | } |
| 252 | |
| 253 | if ( isset( $data->height ) && $data->height > 0 ) { |
| 254 | $this->calculated_height = absint( $data->height ); |
| 255 | } |
| 256 | |
| 257 | if ( isset( $data->age_rating ) ) { |
| 258 | $this->age_rating = absint( $this->age_rating ); |
| 259 | } |
| 260 | |
| 261 | if ( isset( $data->restricted_embed ) && $data->restricted_embed === true ) { |
| 262 | $this->restricted_embed = true; |
| 263 | } else { |
| 264 | $this->restricted_embed = false; |
| 265 | } |
| 266 | |
| 267 | if ( isset( $data->posterframe ) && $data->posterframe !== '' ) { |
| 268 | $this->poster_frame_uri = esc_url_raw( $data->posterframe, array( 'http', 'https' ) ); |
| 269 | } |
| 270 | |
| 271 | if ( isset( $data->mp4 ) || isset( $data->ogv ) ) { |
| 272 | $this->videos = new stdClass(); |
| 273 | if ( isset( $data->mp4 ) ) { |
| 274 | $this->videos->mp4 = $data->mp4; |
| 275 | } |
| 276 | if ( isset( $data->ogv ) ) { |
| 277 | $this->videos->ogv = $data->ogv; |
| 278 | } |
| 279 | } |
| 280 | |
| 281 | if ( isset( $data->swf ) ) { |
| 282 | if ( ! isset( $this->players ) ) { |
| 283 | $this->players = new stdClass(); |
| 284 | } |
| 285 | $this->players->swf = $data->swf; |
| 286 | } |
| 287 | |
| 288 | if ( isset( $data->skin ) ) { |
| 289 | $this->skin = $data->skin; |
| 290 | } |
| 291 | |
| 292 | if ( isset( $data->captions ) ) { |
| 293 | $this->captions = (array) $data->captions; |
| 294 | } |
| 295 | } |
| 296 | |
| 297 | /** |
| 298 | * Convert an Expires HTTP header value into Unix time for use in WP Cache. |
| 299 | * |
| 300 | * @since 1.3 |
| 301 | * @param string $expires_header Expires header value. |
| 302 | * @return int|bool Unix time or false |
| 303 | */ |
| 304 | public static function calculate_expiration( $expires_header ) { |
| 305 | if ( empty( $expires_header ) || ! is_string( $expires_header ) ) { |
| 306 | return false; |
| 307 | } |
| 308 | |
| 309 | $expires_date = DateTime::createFromFormat( 'D, d M Y H:i:s T', $expires_header, new DateTimeZone( 'UTC' ) ); |
| 310 | if ( $expires_date instanceof DateTime ) { |
| 311 | return date_format( $expires_date, 'U' ); |
| 312 | } |
| 313 | return false; |
| 314 | } |
| 315 | |
| 316 | /** |
| 317 | * Extract the site's host domain for statistics and comparison against an allowed site list in the case of restricted embeds. |
| 318 | * |
| 319 | * @since 1.2 |
| 320 | * @param string $url absolute URL. |
| 321 | * @return bool|string host component of the URL, or false if none found. |
| 322 | */ |
| 323 | public static function hostname( $url ) { |
| 324 | return wp_parse_url( esc_url_raw( $url ), PHP_URL_HOST ); |
| 325 | } |
| 326 | |
| 327 | /** |
| 328 | * Request data from WordPress.com for the given guid, maxwidth, and calculated blog hostname. |
| 329 | * |
| 330 | * @since 1.3 |
| 331 | * @return stdClass|WP_Error parsed JSON response or WP_Error if request unsuccessful |
| 332 | */ |
| 333 | private function get_data() { |
| 334 | global $wp_version; |
| 335 | |
| 336 | $domain = self::hostname( home_url() ); |
| 337 | $request_params = array( |
| 338 | 'guid' => $this->guid, |
| 339 | 'domain' => $domain, |
| 340 | ); |
| 341 | if ( isset( $this->maxwidth ) && $this->maxwidth > 0 ) { |
| 342 | $request_params['maxwidth'] = $this->maxwidth; |
| 343 | } |
| 344 | |
| 345 | $url = 'https://v.wordpress.com/data/wordpress.json'; |
| 346 | |
| 347 | $response = wp_remote_get( |
| 348 | add_query_arg( $request_params, $url ), |
| 349 | array( |
| 350 | 'redirection' => 1, |
| 351 | 'user-agent' => 'VideoPress plugin ' . $this->version . '; WordPress ' . $wp_version . ' (' . home_url( '/' ) . ')', |
| 352 | ) |
| 353 | ); |
| 354 | |
| 355 | unset( $request_params ); |
| 356 | unset( $url ); |
| 357 | $response_body = wp_remote_retrieve_body( $response ); |
| 358 | $response_code = absint( wp_remote_retrieve_response_code( $response ) ); |
| 359 | |
| 360 | if ( is_wp_error( $response ) ) { |
| 361 | return $response; |
| 362 | } elseif ( $response_code === 400 ) { |
| 363 | return new WP_Error( 'bad_config', __( 'The VideoPress plugin could not communicate with the VideoPress servers. This error is most likely caused by a misconfigured plugin. Please reinstall or upgrade.', 'jetpack' ) ); |
| 364 | } elseif ( $response_code === 403 ) { |
| 365 | /* translators: %s URL of site trying to embed a VideoPress video */ |
| 366 | return new WP_Error( 'http_forbidden', '<p>' . sprintf( __( '<strong>%s</strong> is not an allowed embed site.', 'jetpack' ), esc_html( $domain ) ) . '</p><p>' . __( 'Publisher limits playback of video embeds.', 'jetpack' ) . '</p>' ); |
| 367 | } elseif ( $response_code === 404 ) { |
| 368 | /* translators: %s VideoPress object identifier */ |
| 369 | return new WP_Error( 'http_not_found', '<p>' . sprintf( __( 'No data found for VideoPress identifier: <strong>%s</strong>.', 'jetpack' ), $this->guid ) . '</p>' ); |
| 370 | } elseif ( $response_code !== 200 || empty( $response_body ) ) { |
| 371 | return; |
| 372 | } else { |
| 373 | $expires_header = wp_remote_retrieve_header( $response, 'Expires' ); |
| 374 | if ( ! empty( $expires_header ) ) { |
| 375 | $expires = self::calculate_expiration( $expires_header ); |
| 376 | if ( ! empty( $expires ) ) { |
| 377 | $this->expires = $expires; |
| 378 | } |
| 379 | } |
| 380 | return json_decode( $response_body ); |
| 381 | } |
| 382 | } |
| 383 | } |
| 384 |