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funkhaus-auto-seo.php
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funkhaus-auto-seo.php
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<?php
/**
* Plugin Name: Auto SEO
* Description: Automatically implement SEO best practices using the power of AI.
* Version: 2.11
* Author: Funkhaus
* Plugin URI: https://github.com/funkhaus/auto-seo
* Author URI: http://funkhaus.us
* Text Domain: funkhaus-auto-seo
*
* @package funkhaus-auto-seo
*/
define( 'FH_AS_PATH', plugin_dir_path( __FILE__ ) );
/**
* Import required files
*/
require_once FH_AS_PATH . 'lib/load.php';
require_once FH_AS_PATH . 'includes/utilities.php';
require_once FH_AS_PATH . 'includes/settings.php';
require_once FH_AS_PATH . 'includes/azure.php';
require_once FH_AS_PATH . 'includes/convert-image.php';
require_once FH_AS_PATH . 'includes/rename-image.php';
require_once FH_AS_PATH . 'includes/focal-point.php';
require_once FH_AS_PATH . 'includes/color-detect.php';
require_once FH_AS_PATH . 'includes/blurhash.php';
require_once FH_AS_PATH . 'includes/api.php';
if ( ! fh_seo_is_gd_enabled() ) {
add_action( 'admin_notices', 'fh_seo_admin_notices' );
} else {
/**
* Main WP hooks to fire our logic on.
*/
add_filter( 'wp_handle_upload', 'fh_seo_convert', 10, 2 );
add_action( 'add_attachment', 'fh_seo_rename_and_discribe', 10, 1 );
}
/**
* Plugin activated, setup default options
*/
function fh_seo_plugin_activated() {
$defaults = array(
'api_key' => '',
);
add_option( 'fh_seo_settings', $defaults );
}
register_activation_hook( __FILE__, 'fh_seo_plugin_activated' );
/**
* Attempt to convert an image on upload. Currently only works for PNGs
*
* @see https://developer.wordpress.org/reference/hooks/wp_handle_upload/
*
* @param array $upload Reference to a single element of `$_FILES`.
* Call the function once for each uploaded file.
* See _wp_handle_upload() for accepted values.
* @param array|false $context Optional. An associative array of names => values
* to override default variables. Default false.
* See _wp_handle_upload() for accepted values.
*/
function fh_seo_convert( $upload, $context ) {
// Attempt to convert image
$converted = fh_seo_convert_to_jpg(
$upload['file'],
$upload['url'],
$upload['type']
);
if ( ! is_wp_error( $converted ) ) {
$upload = $converted;
}
return $upload;
}
/**
* Rename file and add meta data via Azure.
*
* @param int $attachment_id Attachment ID.
*/
function fh_seo_rename_and_discribe( $attachment_id ) {
$output = array(
'id' => $attachment_id,
);
// Only try this on formats Azure and ColorThief support
$type = get_post_mime_type( $attachment_id );
switch ( $type ) {
case 'image/jpeg':
case 'image/png':
case 'image/gif':
break;
default:
return false;
}
// Set color first as we don't need Azure for this
$output['set_color'] = fh_seo_attachment_set_colors( $attachment_id );
// Set blurhash
$output['set_blurhash'] = fh_seo_attachment_set_bluehash( $attachment_id );
// Abort now if no API key
$options = get_option( 'fh_seo_settings' );
if ( empty( $options['api_key'] ) ) {
return false;
}
// Name and caption attachment
$output['set_metadata'] = fh_seo_attachment_set_name_and_caption( $attachment_id );
// Set focal point
$output['set_focal_point'] = fh_seo_attachment_set_focal_point( $attachment_id );
// Save a timestamp so we know image was processed already
update_post_meta( $attachment_id, 'fh_seo_timestamp', date( 'Y-m-d H:i:s' ) ); // phpcs:ignore WordPress.DateTime.RestrictedFunctions.date_date
return $output;
}
/**
* Enqueue any CSS & JS scripts
*
* @param string $hook_suffix The current admin page.
*/
function fh_seo_admin_scripts( $hook_suffix ) {
// Only load scripts on the settings page
if ( $hook_suffix == 'settings_page_auto-seo' ) {
wp_enqueue_script(
'fh_seo_main',
plugins_url( 'js/main.js', __FILE__ ),
null,
time(),
true
);
wp_enqueue_style(
'fh_seo_main',
plugins_url( 'css/main.css', __FILE__ ),
null,
time()
);
// Import some JS vars from PHP
$js_vars = array(
'api_url' => site_url( '/wp-json/auto-seo' ),
'nonce' => wp_create_nonce( 'wp_rest' ),
);
wp_add_inline_script(
'fh_seo_main',
'var fh_seo_vars = ' . wp_json_encode( $js_vars ),
'before'
);
}
// Load focushaus scripts
wp_enqueue_script( 'jquery' );
wp_enqueue_script( 'focushaus', plugins_url( 'js/focushaus.js', __FILE__ ), array( 'jquery' ), '2.01', true );
wp_enqueue_style( 'focushaus', plugins_url( 'css/focushaus.css', __FILE__ ), null, '2.01' );
}
add_action( 'admin_enqueue_scripts', 'fh_seo_admin_scripts' );
/**
* Register custom API endpoints
*/
function fh_seo_add_api_routes() {
// Use this to trigger a deploy at Netlify
register_rest_route(
'auto-seo',
'/generate',
array(
array(
'methods' => 'POST',
'callback' => 'fh_seo_generate',
'args' => array(
'id' => array(),
'offset' => array(),
),
'permission_callback' => 'fh_seo_permissions',
),
)
);
}
add_action( 'rest_api_init', 'fh_seo_add_api_routes' );
/**
* Check if PHP GD module enabled.
*
* @return bool Returns true if enabled.
*/
function fh_seo_is_gd_enabled() {
return function_exists( 'imagecreatefrompng' );
}
/**
* Adds admin notice.
*/
function fh_seo_admin_notices() {
printf(
'<div class="notice notice-warning is-dismissible"><p>Warning: %s</p></div>',
__( '<b>Auto SEO</b> plugin requires GD php extension. Please install/enable it. For more information, please check <a href="https://www.php.net/manual/en/image.installation.php" target="_blank">documentation.</a>' )
);
}