diff --git a/cli/Commands/StockImages/Process.php b/cli/Commands/StockImages/Process.php
new file mode 100644
index 0000000000000000000000000000000000000000..b6217c2ecfe900b6234e33cf21c24dfe531130ba
--- /dev/null
+++ b/cli/Commands/StockImages/Process.php
@@ -0,0 +1,40 @@
+<?php
+
+namespace Studip\Cli\Commands\StockImages;
+
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use CronjobSchedule;
+use CronjobScheduler;
+use Studip\StockImages\Jobs\ProcessImage;
+
+class Process extends Command
+{
+ protected static $defaultName = 'stock-images:process';
+
+ protected function configure(): void
+ {
+ $this->setDescription('Process images.');
+ }
+
+ protected function execute(InputInterface $input, OutputInterface $output): int
+ {
+ $verbose = $input->getOption('verbose');
+
+ $cron = CronjobScheduler::getInstance();
+
+ $taskId = $cron->registerTask(new ProcessImage());
+ $output->writeln("Registered Task: '{$taskId}'");
+ $parameters = [
+ 'image-id' => time(),
+ ];
+ $schedule = $cron->scheduleOnce($taskId, time(), CronjobSchedule::PRIORITY_HIGH, $parameters);
+ $schedule->active = 1;
+ $schedule->store();
+
+
+ return Command::SUCCESS;
+ }
+}
diff --git a/cli/Commands/StockImages/Sizes.php b/cli/Commands/StockImages/Sizes.php
new file mode 100644
index 0000000000000000000000000000000000000000..da2f8d66ffef4c4ed05f9b4b91bae3df148f3fdd
--- /dev/null
+++ b/cli/Commands/StockImages/Sizes.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace Studip\Cli\Commands\StockImages;
+
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Studip\StockImages\Scaler;
+
+class Sizes extends Command
+{
+ protected static $defaultName = 'stock-images:sizes';
+
+ protected function configure(): void
+ {
+ $this->setDescription('Creates smaller sizes a stock image.');
+ $this->addArgument('id', InputArgument::REQUIRED, 'ID of the stock image');
+ }
+
+ protected function execute(InputInterface $input, OutputInterface $output): int
+ {
+ $verbose = $input->getOption('verbose');
+ $imageId = (int) $input->getArgument('id');
+
+ $scaler = new Scaler();
+ $scaler(['id' => $imageId]);
+
+ return Command::SUCCESS;
+ }
+}
diff --git a/cli/Commands/StockImages/Unsplash.php b/cli/Commands/StockImages/Unsplash.php
new file mode 100644
index 0000000000000000000000000000000000000000..532f59155b5607d46e875f44f6052a058402db02
--- /dev/null
+++ b/cli/Commands/StockImages/Unsplash.php
@@ -0,0 +1,126 @@
+<?php
+
+namespace Studip\Cli\Commands\StockImages;
+
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Studip\StockImages\PaletteCreator;
+use Studip\StockImages\Scaler;
+use GuzzleHttp\Client;
+
+class Unsplash extends Command
+{
+ protected static $defaultName = 'stock-images:unsplash';
+
+ protected function configure(): void
+ {
+ $this->setDescription('Import image from unsplash.');
+ $this->addArgument('url', InputArgument::REQUIRED, 'URL of the unsplash image');
+ }
+
+ protected function execute(InputInterface $input, OutputInterface $output): int
+ {
+ $url = $input->getArgument('url');
+ $verbose = $input->getOption('verbose');
+
+ $matched = preg_match('/^https:\/\/unsplash.com\/photos\/([-_A-Za-z0-9]+)$/', $url, $matches);
+ if (!$matched) {
+ $output->writeln('<error>Invalid URL.</error>');
+
+ return Command::FAILURE;
+ }
+ $imageId = $matches[1];
+
+ if ($verbose) {
+ $output->writeln("Importing image from unsplash: '{$imageId}'");
+ }
+
+ $document = $this->fetchURL($imageId);
+ $ldJson = $this->findLdJson($document);
+
+ \DBManager::get()->exec('SET CHARACTER SET utf8mb4');
+
+ $stockImage = new \StockImage();
+ $stockImage->author = $ldJson['author']['name'];
+ $stockImage->license = 'Unsplash-Lizenz: https://unsplash.com/license';
+ $stockImage->mkdate = (new \DateTime($ldJson['datePublished']))->getTimestamp();
+ $stockImage->description = $ldJson['description'] . "\n\nImported from: " . $url;
+ $stockImage->title = $ldJson['caption'];
+ $stockImage->width = sscanf($ldJson['width'], '%d');
+ $stockImage->height = sscanf($ldJson['height'], '%d');
+ $stockImage->tags = '["unsplash"]';
+
+ $stockImage->mime_type = '';
+ $stockImage->size = 0;
+ $stockImage->store();
+
+ $this->fetchImage($stockImage, $ldJson['contentUrl']);
+ $this->processImage($stockImage);
+
+ return Command::SUCCESS;
+ }
+
+ private function fetchURL($imageId): \DOMDocument
+ {
+ $client = new Client();
+ $response = $client->request('GET', 'https://unsplash.com/photos/' . $imageId);
+ $body = $response->getBody();
+
+ $document = new \DOMDocument();
+ $document->loadHTML($body);
+
+ return $document;
+ }
+
+ private function fetchImage(\StockImage $image, $url): void
+ {
+ $client = new Client();
+ $response = $client->request('GET', $url);
+ if (200 !== $response->getStatusCode()) {
+ throw new \RuntimeException();
+ }
+ $mimeType = current($response->getHeader('Content-Type'));
+ if ('image/' !== substr($mimeType, 0, 6)) {
+ throw new \RuntimeException();
+ }
+
+ // TODO: Accept list of valid mime_types
+
+ $image->mime_type = $mimeType;
+ $this->writeImage($image, $response->getBody());
+
+ $image->store();
+ }
+
+ private function writeImage(\StockImage $image, string $body): void
+ {
+ $filepath = $image->getPath();
+ $file = fopen($filepath, 'w');
+ fwrite($file, $body);
+ $image->size = fstat($file)['size'];
+ fclose($file);
+ }
+
+ private function findLdJson(\DOMDocument $document): iterable
+ {
+ foreach ($document->getElementsByTagName('script') as $script) {
+ $type = $script->getAttribute('type');
+ if ('application/ld+json' === $type) {
+ return json_decode($script->textContent, true);
+ }
+ }
+
+ throw new \RuntimeException();
+ }
+
+ private function processImage(\StockImage $stockImage): void
+ {
+ $processors = [Scaler::class, PaletteCreator::class];
+ foreach ($processors as $class) {
+ $processor = new $class();
+ $processor($stockImage);
+ }
+ }
+}
diff --git a/cli/studip b/cli/studip
index 7c47fcb6bcdb09f6ff8a9204f384f67eafadffe6..ee37794fb2e2ec3c09db30b7b327476bebde15d7 100755
--- a/cli/studip
+++ b/cli/studip
@@ -57,6 +57,9 @@ $commands = [
Commands\Twillo\PrivateKeys::class,
Commands\Users\UserDelete::class,
Commands\Users\UserDelete::class,
+ Commands\StockImages\Unsplash::class,
+ Commands\StockImages\Process::class,
+ Commands\StockImages\Sizes::class,
];
$creator = function ($command) {
return app($command);
diff --git a/composer.json b/composer.json
index 413e23c38f44f996445b14f82bef5ef39bc3db90..3afd6088f88e0d8d6dcf1eed4364f69a5016bc34 100644
--- a/composer.json
+++ b/composer.json
@@ -5,6 +5,9 @@
"vendor-dir": "composer",
"platform": {
"php": "7.2.5"
+ },
+ "allow-plugins": {
+ "php-http/discovery": true
}
},
"require-dev": {
@@ -60,7 +63,9 @@
"symfony/polyfill-php80": "^1.27",
"symfony/polyfill-php81": "^1.27",
"phpowermove/docblock": "^2.0",
- "ksubileau/color-thief-php": "^2.0"
+ "ksubileau/color-thief-php": "^2.0",
+ "php-http/curl-client": "^2.2",
+ "guzzlehttp/guzzle": "^7.0"
},
"replace": {
"symfony/polyfill-php54": "*",