128 lines
3.6 KiB
PHP
128 lines
3.6 KiB
PHP
<?php
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namespace Kirby\Plugins\ImageKit\Component;
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use Asset;
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use F;
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use Header;
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use Kirby\Component\Thumb as ThumbComponent;
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use Kirby\Plugins\ImageKit\LazyThumb;
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use Kirby\Plugins\ImageKit\ComplainingThumb;
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use Kirby\Plugins\ImageKit\ProxyAsset;
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use Kirby\Plugins\ImageKit\Optimizer;
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/**
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* Replacement for Kirby’s built-in `thumb` component with
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* asynchronous thumb creation and image optimization
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* capabilities.
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*/
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class Thumb extends ThumbComponent {
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public function defaults() {
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return array_merge(parent::defaults(), [
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'imagekit.lazy' => true,
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'imagekit.complain' => true,
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'imagekit.widget' => true,
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'imagekit.widget.step' => 5,
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'imagekit.widget.discover' => true,
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'imagekit.optimize' => false,
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'imagekit.engine' => null,
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'imagekit.license' => '',
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// Used for the development of the plugin, currently
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// not officialy documented.
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'imagekit.debug' => false,
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]);
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}
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public function configure() {
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parent::configure();
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// Register route to catch non-existing files within the
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// thumbs directory.
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$base = ltrim(substr($this->kirby->roots->thumbs(), strlen($this->kirby->roots->index())), DS);
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// Setup optimizer if enabled.
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if($this->kirby->option('imagekit.optimize')) {
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optimizer::register();
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}
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$this->kirby->set('route', [
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'pattern' => "{$base}/(:all)", // $base = 'thumbs' by default
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'action' => function ($path) {
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if($this->kirby->option('imagekit.complain')) {
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complainingthumb::enableSendError();
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complainingthumb::setErrorFormat('image');
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}
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// Try to load a jobfile for given thumb url and
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// execute if exists
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$thumb = lazythumb::process($path);
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if($thumb) {
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// Serve the image, if everything went fine :-D
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$root = $thumb->result->root();
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// Make sure, we’re sending a 200 status, telling
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// the browser that everything’s okay.
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header::status(200);
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// Don’t tell anyone that this image was just
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// created by PHP ;-)
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header_remove('X-Powered-By');
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header('Last-Modified: ' . gmdate('D, d M Y H:i:s', f::modified($root)) . ' GMT');
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header('Content-Type: ' . f::mime($root));
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header('Content-Length: ' . f::size($root));
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// Send file and stop script execution
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readfile($root);
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exit;
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} else {
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// Show a 404 error, if the job could not be
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// found or executed
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return site()->errorPage();
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}
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},
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]);
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}
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public function create($file, $params) {
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if (!$this->kirby->option('imagekit.lazy') || (isset($params['imagekit.lazy']) && !$params['imagekit.lazy'])) {
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return parent::create($file, $params);
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}
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if(!$file->isWebsafe()) return $file;
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// Instead of a Thumb, a Job will be created for later
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// execution
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$thumb = new LazyThumb($file, $params);
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if($thumb->result instanceof ProxyAsset) {
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// If the thumb is yet to be generated, use the
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// virtual asset, created by the LazyThumb class
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$asset = $thumb->result;
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} else {
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// Otherwise, create a new asset from the returned
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// media object.
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$asset = new Asset($thumb->result);
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}
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// store a reference to the original file
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$asset->original($file);
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return $asset;
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}
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}
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