149 lines
4.7 KiB
PHP
149 lines
4.7 KiB
PHP
<?php
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/**
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* Connects to an spee.ch style server to host assets via the LBRY Protocol
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*
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* Visit https://github.com/lbryio/spee.ch for more info
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*
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* @package LBRYPress
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*/
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class LBRY_Speech
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{
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/**
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* HTML Parser
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* @var LBRY_Speech_Parser
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*/
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private $parser = null;
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public function __construct()
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{
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$this->parser = new LBRY_Speech_Parser();
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add_action('save_post', array($this, 'upload_media'));
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}
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/**
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* Checks to see if we need to rewrite URLS, does if necessary
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*/
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public function maybe_rewrite_urls()
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{
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// See if we have a Spee.ch URL and if we are on the front-end
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$speech_url = get_option(LBRY_SETTINGS)[LBRY_SPEECH];
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if ($speech_url != '' && !is_admin()) {
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ob_start(array($this->parser, 'rewrite'));
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}
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}
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/**
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* Uploads assets to the speech server
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* @param int $post_id The ID of the post to
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* @return bool True if successful, false if not or if no Speech URL available
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*/
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// TODO: set up error reporting
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public function upload_media($post_id)
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{
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$speech_url = get_option(LBRY_SETTINGS)[LBRY_SPEECH];
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// Die if we don't have a spee.ch url
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if (!$speech_url || $speech_url === '') {
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return false;
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}
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$all_media = $this->find_media($post_id);
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// IDEA: Notify user if post save time will take a while, may be a concern for request timeouts
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if ($all_media) {
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// error_log(print_r($all_media, true));
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foreach ($all_media as $media) {
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// TODO: set post meta to see if already uploaded
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// Create a CURLFile object to pass our attachments to the spee.ch instance
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// $file_url = get_attached_file($attachment->ID);
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// $file_name = wp_basename($file_url);
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// $file_type = $attachment->post_mime_type;
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// $cfile = new CURLFile($file_url, $file_type, $file_name);
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//
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// $params = array(
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// 'name' => $attachment->post_name,
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// 'file' => $cfile,
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// 'title' => $attachment->post_title,
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// 'type' => $file_type
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// );
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//
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// $result = $this->request('publish', $params);
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// error_log(print_r($result, true));
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// TODO: Make sure to warn if image name is already taken on channel
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}
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}
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}
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/**
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* Finds all media attached to a post
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* @param int $post_id The post to search
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* @return array An array of Speech Media Objects
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*/
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protected function find_media($post_id)
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{
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// Get content and put into a DOMDocument
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$content = apply_filters('the_content', get_post_field('post_content', $post_id));
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$DOM = new DOMDocument();
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// Hide HTML5 Tag warnings
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libxml_use_internal_errors(true);
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$DOM->loadHTML($content);
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$images = $DOM->getElementsByTagName('img');
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$videos = $DOM->getElementsByTagName('video');
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// Get each image attribute
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foreach ($images as $image) {
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error_log($image->getAttribute('src'));
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}
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// Parse video tags based on wordpress output for local embedds
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// Because video tag is HTML5, treat it like an XML node
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foreach ($videos as $video) {
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$source = $video->getElementsByTagName('source');
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$src = $source[0]->attributes->getNamedItem('src')->value;
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error_log($src);
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}
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return;
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}
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/**
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* Sends a cURL request to the Speech URL
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* @param string $method The method to call on the Speech API
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* @param array $params The Parameters to send the Speech API Call
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* @return string The cURL response
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*/
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private function request($method, $params = array())
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{
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$speech_url = get_option(LBRY_SETTINGS)[LBRY_SPEECH];
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// Die if no URL
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if (!$speech_url) {
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return;
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}
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$address = $speech_url . '/api/claim/' . $method;
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error_log(print_r($params, true));
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// Send it via curl
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_URL, $address);
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curl_setopt($ch, CURLOPT_POST, true);
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curl_setopt($ch, CURLOPT_POSTFIELDS, $params);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($ch, CURLOPT_AUTOREFERER, false);
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curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
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curl_setopt($ch, CURLOPT_SAFE_UPLOAD, true);
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curl_setopt($ch, CURLOPT_HEADER, false);
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$result = curl_exec($ch);
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curl_close($ch);
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return json_decode($result);
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}
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}
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