61 lines
1.9 KiB
PHP
61 lines
1.9 KiB
PHP
<?php
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declare(strict_types=1);
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use App\Avatar\Lorelei;
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$allowedVariantParams = ['eyesVariant', 'eyebrowsVariant', 'mouthVariant', 'glassesVariant', 'hairVariant', 'beardVariant', 'earringsVariant'];
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$allowedProbabilityParams = ['glassesProbability', 'hairProbability', 'beardProbability', 'earringsProbability'];
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$seed = Lorelei::normalizeSeed((string)($_GET['seed'] ?? 'papa-kind-treff'));
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$cacheDir = dirname(__DIR__, 3) . '/assets/avatars/dicebear-cache';
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if (!is_dir($cacheDir)) {
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@mkdir($cacheDir, 0775, true);
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}
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$query = ['seed' => $seed, 'size' => '256'];
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foreach ($allowedVariantParams as $param) {
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$value = Lorelei::normalizeVariant((string)($_GET[$param] ?? ''));
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if ($value !== '') {
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$query[$param] = $value;
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}
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}
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foreach ($allowedProbabilityParams as $param) {
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$rawValue = (string)($_GET[$param] ?? '');
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if ($rawValue === '') {
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continue;
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}
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$value = max(0, min(100, (int) $rawValue));
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$query[$param] = (string) $value;
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}
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$cacheKey = sha1(json_encode($query, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE) ?: $seed);
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$cacheFile = $cacheDir . '/' . $cacheKey . '.svg';
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$svg = is_file($cacheFile) ? file_get_contents($cacheFile) : false;
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if ($svg === false) {
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$url = 'https://api.dicebear.com/10.x/lorelei/svg?' . http_build_query($query);
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$context = stream_context_create([
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'http' => [
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'method' => 'GET',
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'timeout' => 6,
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'header' => "User-Agent: Papa-Kind-Treff/1.0\r\nAccept: image/svg+xml\r\n",
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],
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]);
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$remote = @file_get_contents($url, false, $context);
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if (is_string($remote) && str_contains($remote, '<svg')) {
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$svg = $remote;
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@file_put_contents($cacheFile, $svg);
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}
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}
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if (!is_string($svg) || $svg === '') {
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$svg = Lorelei::fallbackSvg($seed, 'Avatar');
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}
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header('Content-Type: image/svg+xml; charset=utf-8');
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header('Cache-Control: public, max-age=604800, immutable');
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echo $svg;
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