mirror of
https://github.com/daledavies/jump.git
synced 2026-01-10 09:22:06 +01:00
80 lines
3.3 KiB
PHP
80 lines
3.3 KiB
PHP
<?php
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/**
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* Proxy requests to Unsplash API and cache response.
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*
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* @author Dale Davies <dale@daledavies.co.uk>
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* @license MIT
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*/
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// Provided by composer for psr-4 style autoloading.
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require __DIR__ .'/../vendor/autoload.php';
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$config = new Jump\Config();
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$cache = new Jump\Cache($config);
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// If this script is run via CLI then clear the cache and repopulate it,
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// otherwise if run via web then get image data from cache and run this
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// script asynchronously to refresh the cahce for next time.
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if (http_response_code() === false) {
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$cache->clear('unsplash');
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load_cache_unsplash_data();
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die('Cached data from Unsplash');
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}
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// Output header here so we can return early with a json response if there is a curl error.
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header('Content-Type: application/json; charset=utf-8');
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// Initialise a new session using the request object.
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$session = new \Nette\Http\Session((new \Nette\Http\RequestFactory)->fromGlobals(), new \Nette\Http\Response);
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$session->setName($config->get('sessionname'));
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$session->setExpiration($config->get('sessiontimeout'));
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// Get a Nette session section for CSRF data.
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$csrfsection = $session->getSection('csrf');
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// Has a CSRF token been set up for the session yet?
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if (!$csrfsection->offsetExists('token')){
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http_response_code(401);
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die(json_encode(['error' => 'Session not fully set up']));
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}
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// Check CSRF token saved in session against token provided via request.
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$token = isset($_GET['token']) ? $_GET['token'] : false;
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if (!$token || !hash_equals($csrfsection->get('token'), $token)) {
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http_response_code(401);
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die(json_encode(['error' => 'API token is incorrect or missing']));
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}
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$unsplashdata = load_cache_unsplash_data();
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shell_exec('/usr/bin/nohup /usr/bin/php -f unsplashdata.php >/dev/null 2>&1 &');
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echo json_encode($unsplashdata);
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function load_cache_unsplash_data() {
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global $cache, $config;
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return $cache->load(cachename: 'unsplash', callback: function() use ($config) {
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Crew\Unsplash\HttpClient::init([
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'utmSource' => 'jump_startpage',
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'applicationId' => $config->get('unsplashapikey'),
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]);
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// Or apply some optional filters by passing a key value array of filters
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$filters = [
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'collections' => $config->get('unsplashcollections', false),
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];
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$photo = Crew\Unsplash\Photo::random($filters);
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// Download the image data from Unsplash.
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
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curl_setopt($ch, CURLOPT_URL, $photo->urls['raw'] . '&auto=compress&w=1920');
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curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
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curl_setopt($ch, CURLOPT_FAILONERROR, true);
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$response = curl_exec($ch);
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$description = $photo->description?$photo->description:'Photo';
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$unsplashdata = new stdClass();
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$unsplashdata->cssimg = $photo->urls['raw'] . '&auto=compress&w=1920';
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$unsplashdata->attribution = '<a target="_blank" rel="noopener" href="'.$photo->links['html'].'">'.$description.'</a> by <a target="_blank" rel="noopener" href="'.$photo->user['links']['html'].'">'.$photo->user['name'].'</a>';
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$unsplashdata->blurhash = $photo->blur_hash;
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$unsplashdata->imagedatauri = 'data: '.(new \finfo(FILEINFO_MIME_TYPE))->buffer($response).';base64,'.base64_encode($response);
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return $unsplashdata;
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});
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}
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