diff options
Diffstat (limited to 'plugins/jetpack/modules/videopress/class.videopress-player.php')
| -rw-r--r-- | plugins/jetpack/modules/videopress/class.videopress-player.php | 880 |
1 files changed, 880 insertions, 0 deletions
diff --git a/plugins/jetpack/modules/videopress/class.videopress-player.php b/plugins/jetpack/modules/videopress/class.videopress-player.php new file mode 100644 index 00000000..669523c9 --- /dev/null +++ b/plugins/jetpack/modules/videopress/class.videopress-player.php @@ -0,0 +1,880 @@ +<?php +/** + * VideoPress playback module markup generator. + * + * @since 1.3 + */ +class VideoPress_Player { + /** + * Video data for the requested guid and maximum width + * + * @since 1.3 + * @var VideoPress_Video + */ + protected $video; + + /** + * DOM identifier of the video container + * + * @var string + * @since 1.3 + */ + protected $video_container_id; + + /** + * DOM identifier of the video element (video, object, embed) + * + * @var string + * @since 1.3 + */ + protected $video_id; + + /** + * Array of playback options: force_flash or freedom + * + * @var array + * @since 1.3 + */ + protected $options; + + /** + * Array of video GUIDs shown and their counts, + * moved from the old VideoPress class. + */ + public static $shown = array(); + + /** + * Initiate a player object based on shortcode values and possible blog-level option overrides + * + * @since 1.3 + * @var string $guid VideoPress unique identifier + * @var int $maxwidth maximum desired width of the video player if specified + * @var array $options player customizations + */ + public function __construct( $guid, $maxwidth = 0, $options = array() ) { + if ( empty( self::$shown[ $guid ] ) ) { + self::$shown[ $guid ] = 0; + } + + self::$shown[ $guid ]++; + + $this->video_container_id = 'v-' . $guid . '-' . self::$shown[ $guid ]; + $this->video_id = $this->video_container_id . '-video'; + + if ( is_array( $options ) ) { + $this->options = $options; + } else { + $this->options = array(); + } + + // set up the video + $cache_key = null; + + // disable cache in debug mode + if ( defined( 'WP_DEBUG' ) && WP_DEBUG === true ) { + $cached_video = null; + } else { + $cache_key_pieces = array( 'video' ); + + if ( is_multisite() && is_subdomain_install() ) { + $cache_key_pieces[] = get_current_blog_id(); + } + + $cache_key_pieces[] = $guid; + if ( $maxwidth > 0 ) { + $cache_key_pieces[] = $maxwidth; + } + if ( is_ssl() ) { + $cache_key_pieces[] = 'ssl'; + } + $cache_key = implode( '-', $cache_key_pieces ); + unset( $cache_key_pieces ); + $cached_video = wp_cache_get( $cache_key, 'video' ); + } + if ( empty( $cached_video ) ) { + $video = new VideoPress_Video( $guid, $maxwidth ); + if ( empty( $video ) ) { + return; + } elseif ( isset( $video->error ) ) { + $this->video = $video->error; + return; + } elseif ( is_wp_error( $video ) ) { + $this->video = $video; + return; + } + + $this->video = $video; + unset( $video ); + + if ( ! defined( 'WP_DEBUG' ) || WP_DEBUG !== true ) { + $expire = 3600; + if ( isset( $video->expires ) && is_int( $video->expires ) ) { + $expires_diff = time() - $video->expires; + if ( $expires_diff > 0 && $expires_diff < 86400 ) { // allowed range: 1 second to 1 day + $expire = $expires_diff; + } + unset( $expires_diff ); + } + + wp_cache_set( $cache_key, serialize( $this->video ), 'video', $expire ); + unset( $expire ); + } + } else { + $this->video = unserialize( $cached_video ); + } + unset( $cache_key ); + unset( $cached_video ); + } + + /** + * Wrap output in a VideoPress player container + * + * @since 1.3 + * @var string $content HTML string + * @return string HTML string or blank string if nothing to wrap + */ + private function html_wrapper( $content ) { + if ( empty( $content ) ) { + return ''; + } else { + return '<div id="' . esc_attr( $this->video_container_id ) . '" class="video-player">' . $content . '</div>'; + } + } + + /** + * Output content suitable for a feed reader displaying RSS or Atom feeds + * We do not display error messages in the feed view due to caching concerns. + * Flash content presented using <embed> markup for feed reader compatibility. + * + * @since 1.3 + * @return string HTML string or empty string if error + */ + public function asXML() { + if ( empty( $this->video ) || is_wp_error( $this->video ) ) { + return ''; + } + + if ( isset( $this->options['force_flash'] ) && true === $this->options['force_flash'] ) { + $content = $this->flash_embed(); + + } else { + $content = $this->html5_static(); + } + + return $this->html_wrapper( $content ); + } + + /** + * Video player markup for best matching the current request and publisher options + * + * @since 1.3 + * @return string HTML markup string or empty string if no video property found + */ + public function asHTML() { + if ( empty( $this->video ) ) { + $content = ''; + + } elseif ( is_wp_error( $this->video ) ) { + $content = $this->error_message( $this->video ); + + } elseif ( isset( $this->options['force_flash'] ) && true === $this->options['force_flash'] ) { + $content = $this->flash_object(); + + } elseif ( isset( $this->video->restricted_embed ) && true === $this->video->restricted_embed ) { + + if ( $this->options['forcestatic'] ) { + $content = $this->flash_object(); + + } else { + $content = $this->html5_dynamic(); + } + } elseif ( isset( $this->options['freedom'] ) && true === $this->options['freedom'] ) { + $content = $this->html5_static(); + + } else { + $content = $this->html5_dynamic(); + } + + return $this->html_wrapper( $content ); + } + + /** + * Display an error message to users capable of doing something about the error + * + * @since 1.3 + * @uses current_user_can() to test if current user has edit_posts capability + * @var WP_Error $error WordPress error + * @return string HTML string + */ + private function error_message( $error ) { + if ( ! current_user_can( 'edit_posts' ) || empty( $error ) ) { + return ''; + } + + $html = '<div class="videopress-error" style="background-color:rgb(255,0,0);color:rgb(255,255,255);font-family:font-family:\'Helvetica Neue\',Arial,Helvetica,\'Nimbus Sans L\',sans-serif;font-size:140%;min-height:10em;padding-top:1.5em;padding-bottom:1.5em">'; + $html .= '<h1 style="font-size:180%;font-style:bold;line-height:130%;text-decoration:underline">' . esc_html( sprintf( __( '%s Error', 'jetpack' ), 'VideoPress' ) ) . '</h1>'; + foreach ( $error->get_error_messages() as $message ) { + $html .= $message; + } + $html .= '</div>'; + return $html; + } + + /** + * Rating agencies and industry associations require a potential viewer verify his or her age before a video or its poster frame are displayed. + * Content rated for audiences 17 years of age or older requires such verification across multiple rating agencies and industry associations + * + * @since 1.3 + * @return bool true if video requires the viewer verify he or she is 17 years of age or older + */ + private function age_gate_required() { + if ( isset( $this->video->age_rating ) && $this->video->age_rating >= 17 ) { + return true; + } else { + return false; + } + } + + /** + * Select a date of birth using HTML form elements. + * + * @since 1.5 + * @return string HTML markup + */ + private function html_age_gate() { + global $wp_locale; + $text_align = 'left'; + if ( $this->video->text_direction === 'rtl' ) { + $text_align = 'right'; + } + + $html = '<div class="videopress-age-gate" style="margin:0 60px">'; + $html .= '<p class="instructions" style="color:rgb(255, 255, 255);font-size:21px;padding-top:60px;padding-bottom:20px;text-align:' . $text_align . '">' . esc_html( __( 'This video is intended for mature audiences.', 'jetpack' ) ) . '<br />' . esc_html( __( 'Please verify your birthday.', 'jetpack' ) ) . '</p>'; + $html .= '<fieldset id="birthday" style="border:0 none;text-align:' . $text_align . ';padding:0;">'; + $inputs_style = 'border:1px solid #444;margin-'; + if ( $this->video->text_direction === 'rtl' ) { + $inputs_style .= 'left'; + } else { + $inputs_style .= 'right'; + } + $inputs_style .= ':10px;background-color:rgb(0, 0, 0);font-size:14px;color:rgb(255,255,255);padding:4px 6px;line-height: 2em;vertical-align: middle'; + + /** + * Display a list of months in the Gregorian calendar. + * Set values to 0-based to match JavaScript Date. + * + * @link https://developer.mozilla.org/en/JavaScript/Reference/global_objects/date Mozilla JavaScript Reference: Date + */ + $html .= '<select name="month" style="' . $inputs_style . '">'; + + for ( $i = 0; $i < 12; $i++ ) { + $html .= '<option value="' . esc_attr( $i ) . '">' . esc_html( $wp_locale->get_month( $i + 1 ) ) . '</option>'; + } + $html .= '</select>'; + + /** + * todo: numdays variance by month + */ + $html .= '<select name="day" style="' . $inputs_style . '">'; + for ( $i = 1; $i < 32; $i++ ) { + $html .= '<option>' . $i . '</option>'; + } + $html .= '</select>'; + + /** + * Current record for human life is 122. Go back 130 years and no one is left out. + * Don't ask infants younger than 2 for their birthday + * Default to 13 + */ + $html .= '<select name="year" style="' . $inputs_style . '">'; + $start_year = date( 'Y' ) - 2; + $default_year = $start_year - 11; + $end_year = $start_year - 128; + for ( $year = $start_year; $year > $end_year; $year-- ) { + $html .= '<option'; + if ( $year === $default_year ) { + $html .= ' selected="selected"'; + } + $html .= '>' . $year . '</option>'; + } + unset( $start_year ); + unset( $default_year ); + unset( $end_year ); + $html .= '</select>'; + + $html .= '<input type="submit" value="' . __( 'Submit', 'jetpack' ) . '" style="cursor:pointer;border-radius: 1em;border:1px solid #333;background-color:#333;background:-webkit-gradient( linear, left top, left bottom, color-stop(0.0, #444), color-stop(1, #111) );background:-moz-linear-gradient(center top, #444 0%, #111 100%);font-size:13px;padding:4px 10px 5px;line-height:1em;vertical-align:top;color:white;text-decoration:none;margin:0" />'; + + $html .= '</fieldset>'; + $html .= '<p style="padding-top:20px;padding-bottom:60px;text-align:' . $text_align . ';"><a rel="nofollow noopener noreferrer" href="http://videopress.com/" target="_blank" style="color:rgb(128,128,128);text-decoration:underline;font-size:15px">' . __( 'More information', 'jetpack' ) . '</a></p>'; + + $html .= '</div>'; + return $html; + } + + /** + * Return HTML5 video static markup for the given video parameters. + * Use default browser player controls. + * No Flash fallback. + * + * @since 1.2 + * @link http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html HTML5 video + * @return string HTML5 video element and children + */ + private function html5_static() { + wp_enqueue_script( 'videopress' ); + $thumbnail = esc_url( $this->video->poster_frame_uri ); + $html = "<video id=\"{$this->video_id}\" width=\"{$this->video->calculated_width}\" height=\"{$this->video->calculated_height}\" poster=\"$thumbnail\" controls=\"true\""; + if ( isset( $this->options['autoplay'] ) && $this->options['autoplay'] === true ) { + $html .= ' autoplay="true"'; + } else { + $html .= ' preload="metadata"'; + } + if ( isset( $this->video->text_direction ) ) { + $html .= ' dir="' . esc_attr( $this->video->text_direction ) . '"'; + } + if ( isset( $this->video->language ) ) { + $html .= ' lang="' . esc_attr( $this->video->language ) . '"'; + } + $html .= '>'; + if ( ! isset( $this->options['freedom'] ) || $this->options['freedom'] === false ) { + $mp4 = $this->video->videos->mp4->url; + if ( ! empty( $mp4 ) ) { + $html .= '<source src="' . esc_url( $mp4 ) . '" type="video/mp4; codecs="' . esc_attr( $this->video->videos->mp4->codecs ) . '"" />'; + } + unset( $mp4 ); + } + + if ( isset( $this->video->videos->ogv ) ) { + $ogg = $this->video->videos->ogv->url; + if ( ! empty( $ogg ) ) { + $html .= '<source src="' . esc_url( $ogg ) . '" type="video/ogg; codecs="' . esc_attr( $this->video->videos->ogv->codecs ) . '"" />'; + } + + unset( $ogg ); + } + + $html .= '<div><img alt="'; + if ( isset( $this->video->title ) ) { + $html .= esc_attr( $this->video->title ); + } + $html .= '" src="' . $thumbnail . '" width="' . $this->video->calculated_width . '" height="' . $this->video->calculated_height . '" /></div>'; + if ( isset( $this->options['freedom'] ) && $this->options['freedom'] === true ) { + $html .= '<p class="robots-nocontent">' . sprintf( __( 'You do not have sufficient <a rel="nofollow noopener noreferrer" href="%s" target="_blank">freedom levels</a> to view this video. Support free software and upgrade.', 'jetpack' ), 'http://www.gnu.org/philosophy/free-sw.html' ) . '</p>'; + } elseif ( isset( $this->video->title ) ) { + $html .= '<p>' . esc_html( $this->video->title ) . '</p>'; + } + $html .= '</video>'; + return $html; + } + + /** + * Click to play dynamic HTML5-capable player. + * The player displays a video preview section including poster frame, + * video title, play button and watermark on the original page load + * and calculates the playback capabilities of the browser. The video player + * is loaded when the visitor clicks on the video preview area. + * If Flash Player 10 or above is available the browser will display + * the Flash version of the video. If HTML5 video appears to be supported + * and the browser may be capable of MP4 (H.264, AAC) or OGV (Theora, Vorbis) + * playback the browser will display its native HTML5 player. + * + * @since 1.5 + * @return string HTML markup + */ + private function html5_dynamic() { + + /** + * Filter the VideoPress legacy player feature + * + * This filter allows you to control whether the legacy VideoPress player should be used + * instead of the improved one. + * + * @module videopress + * + * @since 3.7.0 + * + * @param boolean $videopress_use_legacy_player + */ + if ( ! apply_filters( 'jetpack_videopress_use_legacy_player', false ) ) { + return $this->html5_dynamic_next(); + } + + wp_enqueue_script( 'videopress' ); + $video_placeholder_id = $this->video_container_id . '-placeholder'; + $age_gate_required = $this->age_gate_required(); + $width = absint( $this->video->calculated_width ); + $height = absint( $this->video->calculated_height ); + + $html = '<div id="' . $video_placeholder_id . '" class="videopress-placeholder" style="'; + if ( $age_gate_required ) { + $html .= "min-width:{$width}px;min-height:{$height}px"; + } else { + $html .= "width:{$width}px;height:{$height}px"; + } + $html .= ';display:none;cursor:pointer !important;position:relative;'; + if ( isset( $this->video->skin ) && isset( $this->video->skin->background_color ) ) { + $html .= 'background-color:' . esc_attr( $this->video->skin->background_color ) . ';'; + } + $html .= 'font-family: \'Helvetica Neue\',Arial,Helvetica,\'Nimbus Sans L\',sans-serif;font-weight:bold;font-size:18px">' . PHP_EOL; + + /** + * Do not display a poster frame, title, or any other content hints for mature content. + */ + if ( ! $age_gate_required ) { + if ( ! empty( $this->video->title ) ) { + $html .= '<div class="videopress-title" style="display:inline;position:absolute;margin:20px 20px 0 20px;padding:4px 8px;vertical-align:top;text-align:'; + if ( $this->video->text_direction === 'rtl' ) { + $html .= 'right" dir="rtl"'; + } else { + $html .= 'left" dir="ltr"'; + } + if ( isset( $this->video->language ) ) { + $html .= ' lang="' . esc_attr( $this->video->language ) . '"'; + } + $html .= '><span style="padding:3px 0;line-height:1.5em;'; + if ( isset( $this->video->skin ) && isset( $this->video->skin->background_color ) ) { + $html .= 'background-color:'; + if ( $this->video->skin->background_color === 'rgb(0,0,0)' ) { + $html .= 'rgba(0,0,0,0.8)'; + } else { + $html .= esc_attr( $this->video->skin->background_color ); + } + $html .= ';'; + } + $html .= 'color:rgb(255,255,255)">' . esc_html( $this->video->title ) . '</span></div>'; + } + $html .= '<img class="videopress-poster" alt="'; + if ( ! empty( $this->video->title ) ) { + $html .= esc_attr( $this->video->title ) . '" title="' . esc_attr( sprintf( _x( 'Watch: %s', 'watch a video title', 'jetpack' ), $this->video->title ) ); + } + $html .= '" src="' . esc_url( $this->video->poster_frame_uri, array( 'http', 'https' ) ) . '" width="' . $width . '" height="' . $height . '" />' . PHP_EOL; + + // style a play button hovered over the poster frame + $html .= '<div class="play-button"><span style="z-index:2;display:block;position:absolute;top:50%;left:50%;text-align:center;vertical-align:middle;color:rgb(255,255,255);opacity:0.9;margin:0 0 0 -0.45em;padding:0;line-height:0;font-size:500%;text-shadow:0 0 40px rgba(0,0,0,0.5)">▶</span></div>' . PHP_EOL; + + // watermark + if ( isset( $this->video->skin ) && isset( $this->video->skin->watermark ) ) { + $html .= '<div style="position:relative;margin-top:-40px;height:25px;margin-bottom:35px;'; + if ( $this->video->text_direction === 'rtl' ) { + $html .= 'margin-left:20px;text-align:left;'; + } else { + $html .= 'margin-right:20px;text-align:right;'; + } + $html .= 'vertical-align:bottom;z-index:3">'; + $html .= '<img alt="" src="' . esc_url( $this->video->skin->watermark, array( 'http', 'https' ) ) . '" width="90" height="13" style="background-color:transparent;background-image:none;background-repeat:no-repeat;border:none;margin:0;padding:0"/>'; + $html .= '</div>' . PHP_EOL; + } + } + + $data = array( + 'blog' => absint( $this->video->blog_id ), + 'post' => absint( $this->video->post_id ), + 'duration' => absint( $this->video->duration ), + 'poster' => esc_url_raw( $this->video->poster_frame_uri, array( 'http', 'https' ) ), + 'hd' => (bool) $this->options['hd'], + ); + if ( isset( $this->video->videos ) ) { + if ( isset( $this->video->videos->mp4 ) && isset( $this->video->videos->mp4->url ) ) { + $data['mp4'] = array( + 'size' => $this->video->videos->mp4->format, + 'uri' => esc_url_raw( $this->video->videos->mp4->url, array( 'http', 'https' ) ), + ); + } + if ( isset( $this->video->videos->ogv ) && isset( $this->video->videos->ogv->url ) ) { + $data['ogv'] = array( + 'size' => 'std', + 'uri' => esc_url_raw( $this->video->videos->ogv->url, array( 'http', 'https' ) ), + ); + } + } + $locale = array( 'dir' => $this->video->text_direction ); + if ( isset( $this->video->language ) ) { + $locale['lang'] = $this->video->language; + } + $data['locale'] = $locale; + unset( $locale ); + + $guid = $this->video->guid; + $guid_js = json_encode( $guid ); + $html .= '<script type="text/javascript">' . PHP_EOL; + $html .= 'jQuery(document).ready(function() {'; + + $html .= 'if ( !jQuery.VideoPress.data[' . json_encode( $guid ) . '] ) { jQuery.VideoPress.data[' . json_encode( $guid ) . '] = new Array(); }' . PHP_EOL; + $html .= 'jQuery.VideoPress.data[' . json_encode( $guid ) . '][' . self::$shown[ $guid ] . ']=' . json_encode( $data ) . ';' . PHP_EOL; + unset( $data ); + + $jq_container = json_encode( '#' . $this->video_container_id ); + $jq_placeholder = json_encode( '#' . $video_placeholder_id ); + $player_config = "{width:{$width},height:{$height},"; + if ( isset( $this->options['freedom'] ) && $this->options['freedom'] === true ) { + $player_config .= 'freedom:"true",'; + } + $player_config .= 'container:jQuery(' . $jq_container . ')}'; + + $html .= "jQuery({$jq_placeholder}).show(0,function(){jQuery.VideoPress.analytics.impression({$guid_js})});" . PHP_EOL; + + if ( $age_gate_required ) { + $html .= 'if ( jQuery.VideoPress.support.flash() ) {' . PHP_EOL; + /** + * @link http://code.google.com/p/swfobject/wiki/api#swfobject.embedSWF(swfUrlStr,_replaceElemIdStr,_widthStr,_height + */ + $html .= 'swfobject.embedSWF(' . implode( + ',', + array( + 'jQuery.VideoPress.video.flash.player_uri', + json_encode( $this->video_container_id ), + json_encode( $width ), + json_encode( $height ), + 'jQuery.VideoPress.video.flash.min_version', + 'jQuery.VideoPress.video.flash.expressinstall', // attempt to upgrade the Flash player if less than min_version. requires a 310x137 container or larger but we will always try to include + '{guid:' . $guid_js . '}', // FlashVars + 'jQuery.VideoPress.video.flash.params', + 'null', // no attributes + 'jQuery.VideoPress.video.flash.embedCallback', // error fallback + ) + ) . ');'; + $html .= '} else {' . PHP_EOL; + $html .= "if ( jQuery.VideoPress.video.prepare({$guid_js},{$player_config}," . self::$shown[ $guid ] . ') ) {' . PHP_EOL; + $html .= 'if ( jQuery(' . $jq_container . ').data( "player" ) === "flash" ){jQuery.VideoPress.video.play(jQuery(' . json_encode( '#' . $this->video_container_id ) . '));}else{'; + $html .= 'jQuery(' . $jq_placeholder . ').html(' . json_encode( $this->html_age_date() ) . ');' . PHP_EOL; + $html .= 'jQuery(' . json_encode( '#' . $video_placeholder_id . ' input[type=submit]' ) . ').one("click", function(event){jQuery.VideoPress.requirements.isSufficientAge(jQuery(' . $jq_container . '),' . absint( $this->video->age_rating ) . ')});' . PHP_EOL; + $html .= '}}}' . PHP_EOL; + } else { + $html .= "if ( jQuery.VideoPress.video.prepare({$guid_js}, {$player_config}," . self::$shown[ $guid ] . ') ) {' . PHP_EOL; + if ( isset( $this->options['autoplay'] ) && $this->options['autoplay'] === true ) { + $html .= "jQuery.VideoPress.video.play(jQuery({$jq_container}));"; + } else { + $html .= 'jQuery(' . $jq_placeholder . ').one("click",function(){jQuery.VideoPress.video.play(jQuery(' . $jq_container . '))});'; + } + $html .= '}'; + + // close the jQuery(document).ready() function + $html .= '});'; + } + $html .= '</script>' . PHP_EOL; + $html .= '</div>' . PHP_EOL; + + /* + * JavaScript required + */ + $noun = __( 'this video', 'jetpack' ); + if ( ! $age_gate_required ) { + $vid_type = ''; + if ( ( isset( $this->options['freedom'] ) && $this->options['freedom'] === true ) && ( isset( $this->video->videos->ogv ) && isset( $this->video->videos->ogv->url ) ) ) { + $vid_type = 'ogv'; + } elseif ( isset( $this->video->videos->mp4 ) && isset( $this->video->videos->mp4->url ) ) { + $vid_type = 'mp4'; + } elseif ( isset( $this->video->videos->ogv ) && isset( $this->video->videos->ogv->url ) ) { + $vid_type = 'ogv'; + } + + if ( $vid_type !== '' ) { + $noun = '<a '; + if ( isset( $this->video->language ) ) { + $noun .= 'hreflang="' . esc_attr( $this->video->language ) . '" '; + } + if ( $vid_type === 'mp4' ) { + $noun .= 'type="video/mp4" href="' . esc_url( $this->video->videos->mp4->url, array( 'http', 'https' ) ); + } elseif ( $vid_type === 'ogv' ) { + $noun .= 'type="video/ogv" href="' . esc_url( $this->video->videos->ogv->url, array( 'http', 'https' ) ); + } + $noun .= '">'; + if ( isset( $this->video->title ) ) { + $noun .= esc_html( $this->video->title ); + } else { + $noun .= __( 'this video', 'jetpack' ); + } + $noun .= '</a>'; + } elseif ( ! empty( $this->title ) ) { + $noun = esc_html( $this->title ); + } + unset( $vid_type ); + } + $html .= '<noscript><p>' . sprintf( _x( 'JavaScript required to play %s.', 'Play as in playback or view a movie', 'jetpack' ), $noun ) . '</p></noscript>'; + + return $html; + } + + function html5_dynamic_next() { + $video_container_id = 'v-' . $this->video->guid; + + // Must not use iframes for IE11 due to a fullscreen bug + if ( isset( $_SERVER['HTTP_USER_AGENT'] ) && stristr( $_SERVER['HTTP_USER_AGENT'], 'Trident/7.0; rv:11.0' ) ) { + $iframe_embed = false; + } else { + + /** + * Filter the VideoPress iframe embed + * + * This filter allows you to control whether the videos will be embedded using an iframe. + * Set this to false in order to use an in-page embed rather than an iframe. + * + * @module videopress + * + * @since 3.7.0 + * + * @param boolean $videopress_player_use_iframe + */ + $iframe_embed = apply_filters( 'jetpack_videopress_player_use_iframe', true ); + } + + if ( ! array_key_exists( 'hd', $this->options ) ) { + $this->options['hd'] = (bool) get_option( 'video_player_high_quality', false ); + } + + $videopress_options = array( + 'width' => absint( $this->video->calculated_width ), + 'height' => absint( $this->video->calculated_height ), + ); + foreach ( $this->options as $option => $value ) { + switch ( $option ) { + case 'at': + if ( intval( $value ) ) { + $videopress_options[ $option ] = intval( $value ); + } + break; + case 'autoplay': + $option = 'autoPlay'; + case 'hd': + case 'loop': + case 'permalink': + if ( in_array( $value, array( 1, 'true' ) ) ) { + $videopress_options[ $option ] = true; + } elseif ( in_array( $value, array( 0, 'false' ) ) ) { + $videopress_options[ $option ] = false; + } + break; + case 'defaultlangcode': + $option = 'defaultLangCode'; + if ( $value ) { + $videopress_options[ $option ] = $value; + } + break; + } + } + + if ( $iframe_embed ) { + $iframe_url = "https://videopress.com/embed/{$this->video->guid}"; + + foreach ( $videopress_options as $option => $value ) { + if ( ! in_array( $option, array( 'width', 'height' ) ) ) { + + // add_query_arg ignores false as a value, so replacing it with 0 + $iframe_url = add_query_arg( $option, ( false === $value ) ? 0 : $value, $iframe_url ); + } + } + + $js_url = 'https://s0.wp.com/wp-content/plugins/video/assets/js/next/videopress-iframe.js'; + + return "<iframe width='" . esc_attr( $videopress_options['width'] ) + . "' height='" . esc_attr( $videopress_options['height'] ) + . "' src='" . esc_attr( $iframe_url ) + . "' frameborder='0' allowfullscreen></iframe>" + . "<script src='" . esc_attr( $js_url ) . "'></script>"; + + } else { + $videopress_options = json_encode( $videopress_options ); + $js_url = 'https://s0.wp.com/wp-content/plugins/video/assets/js/next/videopress.js'; + + return "<div id='{$video_container_id}'></div> + <script src='{$js_url}'></script> + <script> + videopress('{$this->video->guid}', document.querySelector('#{$video_container_id}'), {$videopress_options}); + </script>"; + } + } + + /** + * Only allow legitimate Flash parameters and their values + * + * @since 1.2 + * @link http://kb2.adobe.com/cps/127/tn_12701.html Flash object and embed attributes + * @link http://kb2.adobe.com/cps/133/tn_13331.html devicefont + * @link http://kb2.adobe.com/cps/164/tn_16494.html allowscriptaccess + * @link http://www.adobe.com/devnet/flashplayer/articles/full_screen_mode.html full screen mode + * @link http://livedocs.adobe.com/flash/9.0/main/wwhelp/wwhimpl/common/html/wwhelp.htm?context=LiveDocs_Parts&file=00001079.html allownetworking + * @param array $flash_params Flash parameters expressed in key-value form + * @return array validated Flash parameters + */ + public static function esc_flash_params( $flash_params ) { + $allowed_params = array( + 'swliveconnect' => array( 'true', 'false' ), + 'play' => array( 'true', 'false' ), + 'loop' => array( 'true', 'false' ), + 'menu' => array( 'true', 'false' ), + 'quality' => array( 'low', 'autolow', 'autohigh', 'medium', 'high', 'best' ), + 'scale' => array( 'default', 'noborder', 'exactfit', 'noscale' ), + 'align' => array( 'l', 'r', 't' ), + 'salign' => array( 'l', 'r', 't', 'tl', 'tr', 'bl', 'br' ), + 'wmode' => array( 'window', 'opaque', 'transparent', 'direct', 'gpu' ), + 'devicefont' => array( '_sans', '_serif', '_typewriter' ), + 'allowscriptaccess' => array( 'always', 'samedomain', 'never' ), + 'allownetworking' => array( 'all', 'internal', 'none' ), + 'seamlesstabbing' => array( 'true', 'false' ), + 'allowfullscreen' => array( 'true', 'false' ), + 'fullScreenAspectRatio' => array( 'portrait', 'landscape' ), + 'base', + 'bgcolor', + 'flashvars', + ); + + $allowed_params_keys = array_keys( $allowed_params ); + + $filtered_params = array(); + foreach ( $flash_params as $param => $value ) { + if ( empty( $param ) || empty( $value ) ) { + continue; + } + $param = strtolower( $param ); + if ( in_array( $param, $allowed_params_keys ) ) { + if ( isset( $allowed_params[ $param ] ) && is_array( $allowed_params[ $param ] ) ) { + $value = strtolower( $value ); + if ( in_array( $value, $allowed_params[ $param ] ) ) { + $filtered_params[ $param ] = $value; + } + } else { + $filtered_params[ $param ] = $value; + } + } + } + unset( $allowed_params_keys ); + + /** + * Flash specifies sameDomain, not samedomain. change from lowercase value for preciseness + */ + if ( isset( $filtered_params['allowscriptaccess'] ) && $filtered_params['allowscriptaccess'] === 'samedomain' ) { + $filtered_params['allowscriptaccess'] = 'sameDomain'; + } + + return $filtered_params; + } + + /** + * Filter Flash variables from the response, taking into consideration player options. + * + * @since 1.3 + * @return array Flash variable key value pairs + */ + private function get_flash_variables() { + if ( ! isset( $this->video->players->swf->vars ) ) { + return array(); + } + + $flashvars = (array) $this->video->players->swf->vars; + if ( isset( $this->options['autoplay'] ) && $this->options['autoplay'] === true ) { + $flashvars['autoPlay'] = 'true'; + } + return $flashvars; + } + + /** + * Validate and filter Flash parameters + * + * @since 1.3 + * @return array Flash parameters passed through key and value validation + */ + private function get_flash_parameters() { + if ( ! isset( $this->video->players->swf->params ) ) { + return array(); + } else { + return self::esc_flash_params( + /** + * Filters the Flash parameters of the VideoPress player. + * + * @module videopress + * + * @since 1.2.0 + * + * @param array $this->video->players->swf->params Array of swf parameters for the VideoPress flash player. + */ + apply_filters( 'video_flash_params', (array) $this->video->players->swf->params, 10, 1 ) + ); + } + } + + /** + * Flash player markup in a HTML embed element. + * + * @since 1.1 + * @link http://www.whatwg.org/specs/web-apps/current-work/multipage/the-iframe-element.html#the-embed-element embed element + * @link http://www.google.com/support/reader/bin/answer.py?answer=70664 Google Reader markup support + * @return string HTML markup. Embed element with no children + */ + private function flash_embed() { + wp_enqueue_script( 'videopress' ); + if ( ! isset( $this->video->players->swf ) || ! isset( $this->video->players->swf->url ) ) { + return ''; + } + + $embed = array( + 'id' => $this->video_id, + 'src' => esc_url_raw( $this->video->players->swf->url . '&' . http_build_query( $this->get_flash_variables(), null, '&' ), array( 'http', 'https' ) ), + 'type' => 'application/x-shockwave-flash', + 'width' => $this->video->calculated_width, + 'height' => $this->video->calculated_height, + ); + if ( isset( $this->video->title ) ) { + $embed['title'] = $this->video->title; + } + $embed = array_merge( $embed, $this->get_flash_parameters() ); + + $html = '<embed'; + foreach ( $embed as $attribute => $value ) { + $html .= ' ' . esc_html( $attribute ) . '="' . esc_attr( $value ) . '"'; + } + unset( $embed ); + $html .= '></embed>'; + return $html; + } + + /** + * Double-baked Flash object markup for Internet Explorer and more standards-friendly consuming agents. + * + * @since 1.1 + * @return HTML markup. Object and children. + */ + private function flash_object() { + wp_enqueue_script( 'videopress' ); + if ( ! isset( $this->video->players->swf ) || ! isset( $this->video->players->swf->url ) ) { + return ''; + } + + $thumbnail_html = '<img alt="'; + if ( isset( $this->video->title ) ) { + $thumbnail_html .= esc_attr( $this->video->title ); + } + $thumbnail_html .= '" src="' . esc_url( $this->video->poster_frame_uri, array( 'http', 'https' ) ) . '" width="' . $this->video->calculated_width . '" height="' . $this->video->calculated_height . '" />'; + $flash_vars = esc_attr( http_build_query( $this->get_flash_variables(), null, '&' ) ); + $flash_params = ''; + foreach ( $this->get_flash_parameters() as $attribute => $value ) { + $flash_params .= '<param name="' . esc_attr( $attribute ) . '" value="' . esc_attr( $value ) . '" />'; + } + $flash_help = sprintf( __( 'This video requires <a rel="nofollow noopener noreferrer" href="%s" target="_blank">Adobe Flash</a> for playback.', 'jetpack' ), 'http://www.adobe.com/go/getflashplayer' ); + $flash_player_url = esc_url( $this->video->players->swf->url, array( 'http', 'https' ) ); + $description = ''; + if ( isset( $this->video->title ) ) { + $standby = $this->video->title; + $description = '<p><strong>' . esc_html( $this->video->title ) . '</strong></p>'; + } else { + $standby = __( 'Loading video...', 'jetpack' ); + } + $standby = ' standby="' . esc_attr( $standby ) . '"'; + return <<<OBJECT +<script type="text/javascript">if(typeof swfobject!=="undefined"){swfobject.registerObject("{$this->video_id}", "{$this->video->players->swf->version}");}</script> +<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="{$this->video->calculated_width}" height="{$this->video->calculated_height}" id="{$this->video_id}"{$standby}> + <param name="movie" value="{$flash_player_url}" /> + {$flash_params} + <param name="flashvars" value="{$flash_vars}" /> + <!--[if !IE]>--> + <object type="application/x-shockwave-flash" data="{$flash_player_url}" width="{$this->video->calculated_width}" height="{$this->video->calculated_height}"{$standby}> + {$flash_params} + <param name="flashvars" value="{$flash_vars}" /> + <!--<![endif]--> + {$thumbnail_html}{$description}<p class="robots-nocontent">{$flash_help}</p> + <!--[if !IE]>--> + </object> + <!--<![endif]--> +</object> +OBJECT; + } +} |