117 lines
4.4 KiB
PHP
117 lines
4.4 KiB
PHP
<?php
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/**
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* PicoVideoEmbed - Responsive peerube, vimeo and youtube embeds in shortcode format
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*
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* @author Jurij Podgoršek <g1smo@git.kompot.si>
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* @license https://www.gnu.org/licenses/agpl-3.0.en.html
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* @version 0.2
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*/
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class PicoVideoEmbed extends AbstractPicoPlugin
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{
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/**
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* API version used by this plugin
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*
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* @var int
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*/
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const API_VERSION = 3;
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/**
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* This plugin depends on ...
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*
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* @see AbstractPicoPlugin::$dependsOn
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* @var string[]
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*/
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protected $dependsOn = array();
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const SHORTCODE = '#\[video .+?\]#i';
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/**
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* Triggered after Pico has prepared the raw file contents for parsing
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*
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* @see Pico::parseFileContent()
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* @see DummyPlugin::onContentParsed()
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* @param string &$content prepared file contents for parsing
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* @return void
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*/
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public function onContentParsed(&$content)
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{
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if (stripos($content, '[video') !== false) {
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// Search for Embed shortcodes allover the content
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preg_match_all(self::SHORTCODE, $content, $matches);
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// Make sure we found some shortcodes
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if (count($matches[0]) > 0) {
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// Walk through shortcodes one by one
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foreach ($matches[0] as $match) {
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// First, try youtube
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// Get youtube like and video ID (Ref:http://stackoverflow.com/questions/3717115/regular-expression-for-youtube-links/3726073#3726073)
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preg_match(self::YOUTUBE_REGEX, $match, $embed_link);
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if (count($embed_link) > 1) {
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$content = preg_replace(self::SHORTCODE, $this->getYoutubeEmbed($embed_link), $content, 1);
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continue;
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}
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// Next, we try vimeo
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preg_match(self::VIMEO_REGEX, $match, $embed_link);
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if (count($embed_link) > 1) {
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$content = preg_replace(self::SHORTCODE, $this->getVimeoEmbed($embed_link), $content, 1);
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continue;
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}
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// Otherwise, it's peertube <3
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preg_match(self::PEERTUBE_REGEX, $match, $embed_link);
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if (count($embed_link) > 1) {
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$content = preg_replace(self::SHORTCODE, $this->getPeertubeEmbed($embed_link), $content, 1);
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continue;
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}
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}
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}
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}
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}
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const YOUTUBE_REGEX = '#http(?:s)?\:\/\/(?:www\.)?youtu(?:be\.com/watch\?v=|\.be/|be\.com/embed/)([\w\-]+)(&(amp;)?[\w\?=]*)?#s';
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private function getYoutubeEmbed(array $embed_link) {
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return '<div class="pico-video-embed">'
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. '<iframe id="ytID" width="500" height="480" src="https://www.youtube.com/embed/' . $embed_link[1] . '" frameborder="0" allowfullscreen></iframe>'
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. '</div>';
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}
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const VIMEO_REGEX = '#http(?:s)?\:\/\/(?:www\.)?(?:player\.)?vimeo\.com/(?:video/)?([0-9]+)(-:\?.+)?#s';
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private function getVimeoEmbed(array $embed_link) {
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return '<div class="pico-video-embed">'
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. '<iframe width="560" height="315" sandbox="allow-same-origin allow-scripts allow-popups" src="https://player.vimeo.com/video/' . $embed_link[1] . '?warningTitle=0" frameborder="0" allowfullscreen></iframe>'
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. '</div>';
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}
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const PEERTUBE_REGEX = '#(http(?:s)?)\:\/\/([a-zA-Z0-9](?:(?:[a-zA-Z0-9-]*|(?<!-)\.(?![-.]))*[a-zA-Z0-9]+)?)(?:/videos/embed|/videos/watch|/w)/([0-9a-zA-Z-]+)/?#s';
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private function getPeertubeEmbed(array $embed_link) {
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return '<div class="pico-video-embed">'
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. '<iframe width="560" height="315" sandbox="allow-same-origin allow-scripts allow-popups" src="' . $embed_link[1] . '://' . $embed_link[2] . '/videos/embed/' . $embed_link[3] . '?warningTitle=0" frameborder="0" allowfullscreen></iframe>'
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. '</div>';
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}
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/**
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* Triggered after Pico has rendered the page
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*
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* @param string &$output contents which will be sent to the user
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* @return void
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*/
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public function onPageRendered(&$output)
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{
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// Add embed css
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$output = str_replace('</head>', ($this->getStyleHeader() . '</head>'), $output);
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}
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private function getStyleHeader() {
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$header = '<style type="text/css">'
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. '.pico-video-embed { position: relative; padding-bottom: 56.25%; border: 0;}'
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. '.pico-video-embed iframe, .video-container object, .video-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0;}'
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. '</style>';
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return $header;
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}
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}
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