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Till Krüss tillkruss

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@tillkruss
tillkruss / worker.js
Created July 17, 2018 16:18
A Cloudflare worker that allow cookie/path based caching.
/**
* Time-to-live in seconds for cached requests.
*/
const cacheTtl = 300;
/**
* List of request paths to cache.
*/
const cachedPaths = [
@tillkruss
tillkruss / disable-search.php
Last active July 6, 2020 10:30
Disable WordPress front-end search functionality.
<?php
if ( ! is_admin() ) {
add_action( 'parse_query', function( $query ) {
if ( $query->is_search ) {
unset( $_GET['s'], $_POST['s'], $_REQUEST['s'] );
$query->set( 's', '' );
$query->is_search = false;
$query->set_404();
header( $_SERVER[ 'SERVER_PROTOCOL' ] . ' 404 Not Found' );
@tillkruss
tillkruss / README.md
Last active June 22, 2020 10:11
AWS Lambda function that optimizes images uploaded to a S3 bucket using Kraken.io's API.

Lambda S3 Kraken

Trigger

  • Event type: ObjectCreated
  • Suffix: jpg

Environment variables

  • AWS_KEY
  • AWS_SECRET
  • KRAKEN_SECRET
@tillkruss
tillkruss / stream-s3-as-zip.php
Last active April 6, 2020 08:28
Stream files from S3 as ZIP file.
<?php
use Aws\S3\S3Client;
use ZipStream\ZipStream; // https://github.com/maennchen/ZipStream-PHP
use GuzzleHttp\Client as HttpClient;
protected function streamAsZip($files)
{
$s3 = S3Client::factory('...');
$zip = new ZipStream("foobar.zip");
@tillkruss
tillkruss / filename-based-cache-busting.php
Last active January 23, 2018 02:30
Filename-based cache busting for WordPress.
<?php
// changes CSS and JavaScript URLs from `css/style.css?ver=1.3.3.7` to `css/style.1.3.3.7.css`
if ( ! is_admin() ) {
foreach ( array( 'style_loader_src', 'script_loader_src' ) as $filter ) {
add_filter( $filter, function( $url ) {
// abort if `$url` doesn't start with `WP_CONTENT_URL`
@tillkruss
tillkruss / wp-api-timeouts.php
Last active January 23, 2018 02:28
Prevent `api.wordpress.org` requests timeouts: "Warning: An unexpected error occurred. Something may be wrong with WordPress.org or this server's configuration. If you continue to have problems, please try the support forums. (WordPress could not establish a secure connection to WordPress.org.)"
<?php
// increase `timeout` for `api.wordpress.org` requests
add_filter( 'http_request_args', function( $request, $url ) {
if ( strpos( $url, '://api.wordpress.org/' ) !== false ) {
$request[ 'timeout' ] = 15;
}
return $request;
@tillkruss
tillkruss / w3tc-minify-cache-buster.php
Created August 12, 2014 04:29
add query string cache buster to stylesheets minified by W3 Total Cache
<?php
// add query string cache buster to W3TC minified stylesheet links
add_action( 'init', function() {
// is css minify enabled?
if ( isset( $GLOBALS[ '_w3tc_ob_callbacks' ][ 'minify' ] ) && $GLOBALS[ '_w3tc_ob_callbacks' ][ 'minify' ][0]->_config->get_cache_option( 'minify.css.enable' ) ) {
// store original minify callback
$GLOBALS[ '_w3tc_ob_callbacks' ][ 'minify-org' ] = $GLOBALS[ '_w3tc_ob_callbacks' ][ 'minify' ];
@tillkruss
tillkruss / image-link-type.php
Last active December 22, 2017 01:03
Change default "image link" type in WordPress.
@tillkruss
tillkruss / disable-posts.php
Last active December 22, 2017 01:01
Disable front-end blog functionality in WordPress, including categories, author archives, etc.
<?php
add_action( 'template_redirect', function() {
global $wp_query;
if ( is_home() || $wp_query->is_singular( 'post' ) || $wp_query->is_post_type_archive( 'post' ) ) {
header( $_SERVER[ 'SERVER_PROTOCOL' ] . ' 404 Not Found' );
$wp_query->set_404();
}
@tillkruss
tillkruss / keybase.md
Created November 21, 2016 02:33

Keybase proof

I hereby claim:

  • I am tillkruss on github.
  • I am tillkruss (https://keybase.io/tillkruss) on keybase.
  • I have a public key whose fingerprint is 6490 DEB6 8D18 F0A3 49BD CB9C 8874 10C6 42BC 23BB

To claim this, I am signing this object: