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- Add impact-media blueprint (entries field + linked investigation) - Add minimal impact-media template - Refactor card-open-graph snippet: accepts $url param, Kirby cache (6h TTL), decode HTML entities, empty alt on images - Update impacts.yml to allow impact-media pages - Render impact-media in investigation aside with dynamic count + details/summary - Add OG cache config in config.php - CSS formatting fixes (body, card-block-small, category) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
109 lines
3.4 KiB
PHP
109 lines
3.4 KiB
PHP
<?php
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/**
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* Card Open Graph snippet
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* Fetches and displays OG data from an external URL with cache.
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*
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* @var string $url The URL to scrape OG data from
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*/
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if (empty($url)) return;
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$cache = kirby()->cache('og');
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$cacheKey = md5($url);
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$ogData = $cache->get($cacheKey);
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if ($ogData === null) {
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$ogData = [
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'title' => '',
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'description' => '',
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'image' => '',
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'site_name' => '',
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'url' => $url,
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];
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$context = stream_context_create([
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'http' => [
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'method' => 'GET',
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'header' => 'User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36',
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'timeout' => 10,
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],
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'ssl' => [
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'verify_peer' => false,
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'verify_peer_name' => false,
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],
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]);
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$html = @file_get_contents($url, false, $context);
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if ($html !== false) {
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// Parse OG meta tags (both property...content and content...property orders)
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preg_match_all('/<meta\s+(?:property=["\']og:([^"\']+)["\']\s+content=["\']([^"\']*)["\']|content=["\']([^"\']*?)["\']\s+property=["\']og:([^"\']+)["\'])/i', $html, $matches);
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if (!empty($matches[1])) {
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foreach ($matches[1] as $index => $property) {
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$prop = $property ?: $matches[4][$index];
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$content = $matches[2][$index] ?: $matches[3][$index];
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$content = html_entity_decode(trim($content), ENT_QUOTES | ENT_HTML5, 'UTF-8');
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switch ($prop) {
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case 'title':
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$ogData['title'] = $content;
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break;
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case 'description':
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$ogData['description'] = $content;
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break;
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case 'image':
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$ogData['image'] = $content;
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break;
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case 'site_name':
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$ogData['site_name'] = $content;
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break;
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}
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}
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}
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// Fallback: use <title> if no og:title
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if (empty($ogData['title'])) {
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preg_match('/<title>([^<]+)<\/title>/i', $html, $titleMatch);
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if (!empty($titleMatch[1])) {
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$ogData['title'] = html_entity_decode($titleMatch[1], ENT_QUOTES, 'UTF-8');
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}
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}
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}
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// Always use domain as site_name
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$parsed = parse_url($url);
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$ogData['site_name'] = $parsed['host'] ?? '';
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$cache->set($cacheKey, $ogData, 360); // 6 hours
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}
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?>
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<div class="card--open-graph">
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<div class="open-graph__inner">
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<?php if (!empty($ogData['image'])): ?>
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<figure>
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<img src="<?= htmlspecialchars($ogData['image']) ?>" alt="">
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</figure>
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<?php endif ?>
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<div class="content">
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<?php if (!empty($ogData['site_name'])): ?>
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<span class="site-name"><?= htmlspecialchars($ogData['site_name']) ?></span>
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<?php endif ?>
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<?php if (!empty($ogData['title'])): ?>
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<h3 class="title">
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<a href="<?= htmlspecialchars($ogData['url']) ?>" target="_blank">
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<?= htmlspecialchars($ogData['title']) ?>
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</a>
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</h3>
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<?php endif ?>
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<?php if (!empty($ogData['description'])): ?>
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<p class="description"><?= htmlspecialchars($ogData['description']) ?></p>
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<?php endif ?>
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</div>
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<a class="link-block" href="<?= htmlspecialchars($ogData['url']) ?>" target="_blank"></a>
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</div>
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</div>
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