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Filtering in all speech URLS for images and videos

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This commit is contained in:
Paul Kirby 2018-10-31 13:17:42 -05:00
parent b758242410
commit b2b16bb129
2 changed files with 312 additions and 218 deletions
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192
classes/LBRY_Speech.php
View file

@ -17,45 +17,32 @@ class LBRY_Speech
public function __construct()
{
add_action('save_post', array($this, 'upload_media'), 10, 2);
$this->parser = new LBRY_Speech_Parser();
if (!is_admin()) {
$this->parser = new LBRY_Speech_Parser();
add_filter('wp_calculate_image_srcset', array($this->parser, 'speech_image_srcset'), 10, 5);
if (is_admin()) {
add_action('save_post', array($this, 'upload_media'), 10, 2);
} else {
// Replace the image srcsets
add_filter('wp_calculate_image_srcset', array($this->parser, 'replace_image_srcset'), 10, 5);
// Core filter for lots of image source calls
add_filter('wp_get_attachment_image_src', array($this->parser, 'replace_attachment_image_src'), 10, 3);
// Replace any left over urls with speech urls
add_filter('the_content', array($this->parser, 'replace_urls_with_speech'));
}
}
/**
* Checks to see if we need to rewrite URLS, does if necessary
*/
public function maybe_rewrite_urls()
{
// See if we have a Spee.ch URL and if we are on the front-end
$speech_url = get_option(LBRY_SETTINGS)[LBRY_SPEECH];
if ($speech_url != '' && !is_admin()) {
ob_start(array($this->parser, 'rewrite'));
}
}
/**
* Uploads assets to the speech server
* @param int $post_id The ID of the post to
* @return bool True if successful, false if not or if no Speech URL available
*/
// TODO: set up error reporting
public function upload_media($post_id, $post)
{
// Only check post_type of Post
if ('post' !== $post->post_type) {
return;
return false;
}
// error_log('======================== START =====================');
$speech_url = get_option(LBRY_SETTINGS)[LBRY_SPEECH];
// Die if we don't have a spee.ch url
@ -67,8 +54,6 @@ class LBRY_Speech
// IDEA: Notify user if post save time will take a while, may be a concern for request timeouts
if ($all_media) {
// error_log(print_r($all_media, true));
$requests = array();
// Build all the Curl Requests
@ -102,8 +87,6 @@ class LBRY_Speech
curl_multi_add_handle($mh, $request['request']);
}
// error_log(print_r($requests, true));
// Execute all requests simultaneously
$running = null;
do {
@ -122,8 +105,6 @@ class LBRY_Speech
$media = $request['media'];
$response_code = curl_getinfo($request['request'], CURLINFO_RESPONSE_CODE);
// error_log(print_r($result, true));
try {
// check we got a success code
if ($response_code != '200') {
@ -136,7 +117,6 @@ class LBRY_Speech
// Update image meta
if ($result && $result->success) {
// error_log(print_r($result, true));
$meta = wp_get_attachment_metadata($media->id);
if ($media->image_size) {
$meta['sizes'][$media->image_size]['speech_asset_url'] = $result->data->serveUrl;
@ -144,13 +124,12 @@ class LBRY_Speech
$meta['speech_asset_url'] = $result->data->serveUrl;
}
wp_update_attachment_metadata($media->id, $meta);
// error_log(print_r($meta, true));
} else { // Something unhandled happened here
throw new \Exception("Unknown Speech Upload issue for asset");
}
} catch (\Exception $e) {
$image_size = $media->image_size ? $media->image_size : 'full';
error_log('Failed to upload asset with ID ' . $media->id . ' for size ' . $size . ' to supplied speech URL.');
error_log('Failed to upload asset with ID ' . $media->id . ' for size ' . $image_size . ' to supplied speech URL.');
error_log($e->getMessage());
}
}
@ -162,84 +141,73 @@ class LBRY_Speech
* @param int $post_id The post to search
* @return array An array of Speech Media Objects
*/
protected function find_media($post_id)
private function find_media($post_id)
{
$all_media = array();
// Get content and put into a DOMDocument
$content = get_post_field('post_content', $post_id);
if (!$content) {
return $all_media;
}
// Find all images
preg_match_all('/<img [^>]+>/', $content, $images);
$images = $this->parser->scrape_images($content);
// Only MP4 videos for now
preg_match_all('/\[video.*mp4=".*".*\]/', $content, $videos);
// Check to make sure we have results
$images = empty($images[0]) ? array() : $images[0];
$videos = empty($videos[0]) ? array() : $videos[0];
// error_log(print_r($images, true));
// error_log(print_r($videos, true));
// TODO: only create media objects if hasn't been uploaded. IE check meta here
// Throw each image into a media object
// Get all the image ID's
$image_ids = array();
foreach ($images as $image) {
$attachment_id = null;
// Looks for wp image class first, if not, pull id from source
if (preg_match('/wp-image-([0-9]+)/i', $image, $class_id)) {
$attachment_id = absint($class_id[1]);
// error_log('found with wp-image: ' . $attachment_id);
} elseif (preg_match('/src="((?:https?:)?\/\/[^"]+)"/', $image, $src) && $this->is_local($src[1])) {
$attachment_id = $this->rigid_attachment_url_to_postid($src[1]);
// error_log('found with url: ' . $attachment_id);
$new_id = $this->parser->get_attachment_id_from_tag('image', $image);
if ($new_id) {
$image_ids[] = $new_id;
}
}
// Don't forget the featured image
if ($featured_id = get_post_thumbnail_id($post_id)) {
$image_ids = array_merge($image_ids, array($featured_id));
}
// Throw each image into a media object
foreach ($image_ids as $attachment_id) {
// Create main image media object
$meta = wp_get_attachment_metadata($attachment_id);
// If we don't have meta, get out because none of this will work
if (!$meta) {
break;
}
if ($attachment_id) {
// Create main image media object
$meta = wp_get_attachment_metadata($attachment_id);
if (!$this->is_published($meta)) {
$all_media[] = new LBRY_Speech_Media($attachment_id);
}
// error_log(print_r($meta, true));
// If we don't have meta, get out because none of this will work
if (!$meta) {
break;
}
// COMBAK: find a way to make this more efficient?
// Create a media object for each image size
// Get images sizes for this attachment, as not all image sizes implemented
$image_sizes = wp_get_attachment_metadata($attachment_id)['sizes'];
foreach ($image_sizes as $size => $meta) {
if (!$this->is_published($meta)) {
$all_media[] = new LBRY_Speech_Media($attachment_id);
}
// COMBAK: find a way to make this more efficient?
// Create a media object for each image size
// Get images sizes for this attachment, as not all image sizes implemented
$image_sizes = wp_get_attachment_metadata($attachment_id)['sizes'];
foreach ($image_sizes as $size => $meta) {
if (!$this->is_published($meta)) {
$all_media[] = new LBRY_Speech_Media($attachment_id, array('image_size' => $size));
}
$all_media[] = new LBRY_Speech_Media($attachment_id, array('image_size' => $size));
}
}
}
// Parse video tags based on wordpress shortcode for local embedds
$videos = $this->parser->scrape_videos($content);
$video_ids = array();
foreach ($videos as $video) {
$attachment_id = null;
if (preg_match('/mp4="((?:https?:)?\/\/[^"]+)"/', $video, $src) && $this->is_local($src[1])) {
$attachment_id = $this->rigid_attachment_url_to_postid($src[1]);
$new_id = $this->parser->get_attachment_id_from_tag('mp4', $video);
if ($new_id) {
$video_ids[] = $new_id;
}
}
// Parse video tags based on wordpress shortcode for local embedds
foreach ($video_ids as $attachment_id) {
$meta = wp_get_attachment_metadata($attachment_id);
if ($attachment_id) {
$meta = wp_get_attachment_metadata($attachment_id);
if (!$this->is_published($meta)) {
$all_media[] = new LBRY_Speech_Media($attachment_id);
}
}
if (!$this->is_published($meta)) {
$all_media[] = new LBRY_Speech_Media($attachment_id);
}
}
@ -247,21 +215,11 @@ class LBRY_Speech
}
/**
* Checks to see if a url is local to this installation
* @param string $url
* @return boolean
* Checks meta to see if a spee.ch url exists
* @param array $meta An array of meta which would possibly contain a speech_asset_url
* @return boolean Whether or not its published to speech
*/
private function is_local($url)
{
if (strpos($url, home_url()) !== false) {
return true;
}
}
/**
* Checks array to see if a spee.ch url exists
*/
private function is_published($meta)
public function is_published($meta)
{
if (key_exists('speech_asset_url', $meta) && $meta['speech_asset_url'] !== '') {
return true;
@ -270,39 +228,11 @@ class LBRY_Speech
return false;
}
/**
* Checks for image crop sizes and filters out query params
* Courtesy of this post: http://bordoni.me/get-attachment-id-by-image-url/
* @param string $url The url of the attachment you want an ID for
* @return int The found post_id
*/
private function rigid_attachment_url_to_postid($url)
{
$scrubbed_url = strtok($url, '?'); // Clean up query params first
$post_id = attachment_url_to_postid($scrubbed_url);
if (! $post_id) {
$dir = wp_upload_dir();
$path = $scrubbed_url;
if (0 === strpos($path, $dir['baseurl'] . '/')) {
$path = substr($path, strlen($dir['baseurl'] . '/'));
}
if (preg_match('/^(.*)(\-\d*x\d*)(\.\w{1,})/i', $path, $matches)) {
$url = $dir['baseurl'] . '/' . $matches[1] . $matches[3];
$post_id = attachment_url_to_postid($url);
}
}
return (int) $post_id;
}
/**
* Builds a cURL request to the Speech URL
* @param string $method The method to call on the Speech API
* @param array $params The Parameters to send the Speech API Call
* @return string The cURL object pointer
* @param string $method The method to call on the Speech API
* @param array $params The Parameters to send the Speech API Call
* @return string The cURL object pointer
*/
private function build_request($method, $params = array())
{

338
classes/LBRY_Speech_Parser.php
View file

@ -7,10 +7,6 @@
class LBRY_Speech_Parser
{
public function __construct()
{
}
/**
* [speech_image_srcset description]
* @param [type] $sources [description]
@ -19,15 +15,13 @@ class LBRY_Speech_Parser
* @param [type] $image_meta [description]
* @param [type] $attachment_id [description]
*/
public function speech_image_srcset($sources, $size_array, $image_src, $image_meta, $attachment_id)
public function replace_image_srcset($sources, $size_array, $image_src, $image_meta, $attachment_id)
{
$time_start = microtime(true);
$new_sources = $sources;
$sizes = $image_meta['sizes'];
// error_log(print_r($image_meta, true));
foreach ($sources as $width => $source) {
$speech_url = $this->find_speech_url_by_width($sizes, $width);
@ -43,89 +37,195 @@ class LBRY_Speech_Parser
return $new_sources;
}
/**
* [replace_urls_with_speech description]
* @param [type] $content [description]
* @return [type] [description]
*/
public function replace_urls_with_speech($content)
{
// // Find all images
// preg_match_all('/<img [^>]+>/', $content, $images);
//
// // Check to make sure we have results
// $images = empty($images[0]) ? array() : $images[0];
//
// foreach ($images as $image) {
// $attachment_id = null;
// // Looks for wp image class first, if not, pull id from source
// if (preg_match('/wp-image-([0-9]+)/i', $image, $class_id)) {
// $attachment_id = absint($class_id[1]);
// } elseif (preg_match('/src="((?:https?:)?\/\/[^"]+)"/', $image, $src) && $this->is_local($src[1])) {
// $attachment_id = $this->rigid_attachment_url_to_postid($src[1]);
// }
//
// // // Look for size class, if not continue
// // if (!preg_match('/ size-([\w-_]+) /i', $image, $size_class)) {
// // continue;
// // }
//
// if ($attachment_id) {
// // Create main image media object
// $meta = wp_get_attachment_metadata($attachment_id);
//
// // If we don't have meta, get out because none of this will work
// if (!$meta) {
// break;
// }
//
// if (!$this->is_published($meta)) {
// $all_media[] = new LBRY_Speech_Media($attachment_id);
// }
//
// // COMBAK: find a way to make this more efficient?
// // Create a media object for each image size
// // Get images sizes for this attachment, as not all image sizes implemented
// $image_sizes = wp_get_attachment_metadata($attachment_id)['sizes'];
//
// foreach ($image_sizes as $size => $meta) {
// if (!$this->is_published($meta)) {
// $all_media[] = new LBRY_Speech_Media($attachment_id, array('image_size' => $size));
// }
// }
// }
// }
// error_log(print_r($content, true));
$new_content = $content;
return $content;
}
$assets = array();
public function replace_attachment_image_src($image, $attachment_id, $size)
{
// TODO: Need to come back to this.
// if (!$image) {
// return;
// }
//
// $new_image = $image;
// $sizes = $image_meta['sizes'];
//
// // If we have a given size, then use that immediately
// if (is_string($size)) {
//
// if ($size == 'full') {
//
// }
// $new_image[0] = $sizes[$size]['speech_asset_url'];
// return $image;
// }
//
// // Otherwise, we can find it by the url provided
// $new_image[0] = $this->find_speech_url_by_file_url($sizes, $image[0]);
// Get Images
$images = $this->scrape_images($content);
error_log(print_r($images, true));
foreach ($images as $image) {
if ($src = $this->get_src_from_image_tag($image)) {
$assets[] = $src;
}
}
return $image;
// Get Videos
$videos = $this->scrape_videos($content);
error_log(print_r($videos, true));
foreach ($videos as $video) {
if ($src = $this->get_src_from_video_tag($video)) {
$assets[] = $src;
}
}
// Replace with Speech Urls
error_log(print_r($assets, true));
foreach ($assets as $asset) {
$id = $this->rigid_attachment_url_to_postid($asset);
$meta = wp_get_attachment_metadata($id);
if ($meta && LBRY()->speech->is_published($meta) && $speech_url = $this->find_speech_url_by_file_url($meta, $asset)) {
$new_content = str_replace($asset, $speech_url, $new_content);
}
}
return $new_content;
}
/**
* [find_speech_url description]
* @param [type] $sizes [description]
* @param [type] $width [description]
* @return [type] [description]
* [replace_attachment_image_src description]
* @param [type] $image [description]
* @param [type] $attachment_id [description]
* @param [type] $size [description]
* @return [type] [description]
*/
public function replace_attachment_image_src($image, $attachment_id, $size)
{
if (!$image) {
return $image;
}
// Die if we don't have a speech_asset_url
$image_meta = wp_get_attachment_metadata($attachment_id);
if (!LBRY()->speech->is_published($image_meta)) {
return $image;
}
$new_image = $image;
$sizes = $image_meta['sizes'];
// If we have a given size, then use that immediately
if (is_string($size)) {
switch ($size) {
case 'full':
$new_image[0] = $image_meta['speech_asset_url'];
break;
case 'post-thumbnail':
if (LBRY()->speech->is_published($sizes['thumbnail'])) {
$new_image[0] = $sizes['thumbnail']['speech_asset_url'];
}
break;
default:
if (key_exists($size, $sizes) && LBRY()->speech->is_published($sizes[$size])) {
$new_image[0] = $sizes[$size]['speech_asset_url'];
}
break;
}
return $new_image;
}
// Otherwise, we can find it by the url provided
$speech_url = $this->find_speech_url_by_file_url($image_meta, $image[0]);
if ($speech_url) {
$new_image[0] = $speech_url;
}
return $new_image;
}
/**
* Scrapes all image tags from content
* @param string $content The content to scrape
* @return array Array of image tags, empty if none found
*/
public function scrape_images($content)
{
// Find all images
preg_match_all('/<img [^>]+>/', $content, $images);
// Check to make sure we have results
$images = empty($images[0]) ? array() : $images[0];
return array_unique($images);
}
/**
* Scrapes all video shortcodes from content
* @param string $content The content to scrape
* @return array Array of video tags, empty if none found
*/
public function scrape_videos($content)
{
// Only MP4 videos for now
preg_match_all('/\[video.*mp4=".*".*\]/', $content, $videos);
$videos = empty($videos[0]) ? array() : $videos[0];
return array_unique($videos);
}
/**
* Retrives an attachment ID via an html tag
* @param string $type Can be 'image' or 'mp4'
* @param string $tag The Tag / shortcode to scrub for an ID
* @return int|bool An ID if one is found, false otherwise
*/
public function get_attachment_id_from_tag($type, $tag)
{
$attachment_id = false;
switch ($type) {
case 'image':
// Looks for wp image class first, if not, pull id from source
if (preg_match('/wp-image-([0-9]+)/i', $tag, $class_id)) {
$attachment_id = absint($class_id[1]);
} elseif ($src = $this->get_src_from_image_tag($tag)) {
$attachment_id = $this->rigid_attachment_url_to_postid($src);
}
break;
case 'mp4':
if ($src = $this->get_src_from_video_tag($tag)) {
$attachment_id = $this->rigid_attachment_url_to_postid($src);
}
break;
}
return $attachment_id;
}
/**
* Pulls src from image tag
* @param string $image HTML Image tag
* @return string The source if found and is a local source, otherwise false
*/
private function get_src_from_image_tag($image)
{
if (preg_match('/src="((?:https?:)?\/\/[^"]+)"/', $image, $src) && $src[1]) {
if ($this->is_local($src[1])) {
return $src[1];
}
}
return false;
}
/**
* Pulls src from video tag
* @param string $video The video shortcode
* @return string The source if found and is a local source, otherwise false
*/
private function get_src_from_video_tag($video)
{
if (preg_match('/mp4="((?:https?:)?\/\/[^"]+)"/', $video, $src) && $src[1]) {
if ($this->is_local($src[1])) {
return $src[1];
}
}
return false;
}
/**
* Retrieves a speech_asset_url based sizes meta provided
* @param array $sizes Image sizes meta array
* @param string $width The width to look for
* @return string An asset url if found, false if not
*/
private function find_speech_url_by_width($sizes, $width)
{
@ -138,14 +238,78 @@ class LBRY_Speech_Parser
return false;
}
private function find_speech_url_by_file_name($sizes, $url)
/**
* Retrieves a speech_asset_url based on a passed url
* @param array $meta The attachment meta data for the asset
* @param string $url The URL of the asset being exchanged
* @return string The URL of the Speech Asset
*/
private function find_speech_url_by_file_url($meta, $url)
{
for
// See if this looks like video meta
if (!key_exists('file', $meta) && key_exists('mime_type', $meta) && $meta['mime_type'] == 'video/mp4') {
return $meta['speech_asset_url'];
}
$pathinfo = pathinfo($url);
$basename = $pathinfo['basename'];
// Check main file or if $meta is just a url (video) first
if (key_exists('file', $meta) && $basename == wp_basename($meta['file'])) {
return $meta['speech_asset_url'];
}
// Check to see if we have a meta option here
if (key_exists('sizes', $meta)) {
// Then check sizes
foreach ($meta['sizes'] as $size => $meta) {
if ($basename == $meta['file'] && key_exists('speech_asset_url', $meta)) {
return $meta['speech_asset_url'];
}
}
}
// Couldn't make a match
return false;
}
private function microtime_float()
/**
* Checks to see if a url is local to this installation
* @param string $url
* @return boolean
*/
private function is_local($url)
{
list($usec, $sec) = explode(" ", microtime());
return ((float)$usec + (float)$sec);
if (strpos($url, home_url()) !== false) {
return true;
}
}
/**
* Checks for image crop sizes and filters out query params
* Courtesy of this post: http://bordoni.me/get-attachment-id-by-image-url/
* @param string $url The url of the attachment you want an ID for
* @return int The found post_id
*/
private function rigid_attachment_url_to_postid($url)
{
$scrubbed_url = strtok($url, '?'); // Clean up query params first
$post_id = attachment_url_to_postid($scrubbed_url);
if (! $post_id) {
$dir = wp_upload_dir();
$path = $scrubbed_url;
if (0 === strpos($path, $dir['baseurl'] . '/')) {
$path = substr($path, strlen($dir['baseurl'] . '/'));
}
if (preg_match('/^(.*)(\-\d*x\d*)(\.\w{1,})/i', $path, $matches)) {
$url = $dir['baseurl'] . '/' . $matches[1] . $matches[3];
$post_id = attachment_url_to_postid($url);
}
}
return (int) $post_id;
}
}