397 lines
15 KiB
PHP
397 lines
15 KiB
PHP
<?php
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/**
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* GitHub Webhook Parser
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* Parses GitHub webhook events into a formatted email
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*
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* @param string $rawBody The raw request body
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* @param array $headers The request headers
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* @param array $metadata Request metadata (date, ip, method, contentType)
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* @return array|false Array with 'html' and 'subject' keys, or false on failure
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*/
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function githubParse($rawBody, $headers, $metadata) {
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$payload = json_decode($rawBody, true);
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if (!$payload) {
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return false;
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}
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// Determine event type from headers
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$event = $headers['X-GitHub-Event'] ?? $headers['X-Github-Event'] ?? 'Unknown';
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$delivery = $headers['X-GitHub-Delivery'] ?? $headers['X-Github-Delivery'] ?? 'Unknown';
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// Extract common data
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$action = $payload['action'] ?? null;
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$repository = $payload['repository']['full_name'] ?? 'Unknown';
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$sender = $payload['sender']['login'] ?? 'Unknown';
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// Sanitize for HTML
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$eventSafe = htmlspecialchars($event, ENT_QUOTES, 'UTF-8');
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$actionSafe = $action ? htmlspecialchars($action, ENT_QUOTES, 'UTF-8') : null;
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$repoSafe = htmlspecialchars($repository, ENT_QUOTES, 'UTF-8');
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$senderSafe = htmlspecialchars($sender, ENT_QUOTES, 'UTF-8');
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$dateSafe = htmlspecialchars($metadata['date'], ENT_QUOTES, 'UTF-8');
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$ipSafe = htmlspecialchars($metadata['ip'], ENT_QUOTES, 'UTF-8');
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// Build event-specific content
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$eventContent = '';
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$eventIcon = '🔔';
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switch ($event) {
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case 'push':
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$eventIcon = '📤';
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$ref = htmlspecialchars($payload['ref'] ?? 'Unknown', ENT_QUOTES, 'UTF-8');
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$commits = $payload['commits'] ?? [];
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$commitCount = count($commits);
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$eventContent = <<<HTML
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<div class="section">
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<div class="section-title">Push Details</div>
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<div class="metadata">
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<div class="metadata-row">
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<div class="metadata-label">Branch</div>
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<div class="metadata-value">$ref</div>
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</div>
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<div class="metadata-row">
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<div class="metadata-label">Commits</div>
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<div class="metadata-value">$commitCount</div>
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</div>
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<div class="metadata-row">
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<div class="metadata-label">Pusher</div>
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<div class="metadata-value">$senderSafe</div>
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</div>
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</div>
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</div>
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HTML;
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if ($commitCount > 0) {
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$eventContent .= '<div class="section"><div class="section-title">Commits</div>';
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foreach (array_slice($commits, 0, 10) as $commit) {
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$message = htmlspecialchars($commit['message'] ?? '', ENT_QUOTES, 'UTF-8');
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$author = htmlspecialchars($commit['author']['name'] ?? 'Unknown', ENT_QUOTES, 'UTF-8');
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$sha = htmlspecialchars(substr($commit['id'] ?? '', 0, 7), ENT_QUOTES, 'UTF-8');
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$eventContent .= "<div class=\"commit-item\"><strong>$sha</strong> $message <em>by $author</em></div>";
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}
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$eventContent .= '</div>';
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}
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break;
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case 'pull_request':
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$eventIcon = '🔀';
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$pr = $payload['pull_request'] ?? [];
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$prNumber = htmlspecialchars($pr['number'] ?? 'N/A', ENT_QUOTES, 'UTF-8');
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$prTitle = htmlspecialchars($pr['title'] ?? 'N/A', ENT_QUOTES, 'UTF-8');
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$prUrl = htmlspecialchars($pr['html_url'] ?? '#', ENT_QUOTES, 'UTF-8');
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$prState = htmlspecialchars($pr['state'] ?? 'N/A', ENT_QUOTES, 'UTF-8');
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$prBase = htmlspecialchars($pr['base']['ref'] ?? 'N/A', ENT_QUOTES, 'UTF-8');
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$prHead = htmlspecialchars($pr['head']['ref'] ?? 'N/A', ENT_QUOTES, 'UTF-8');
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$eventContent = <<<HTML
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<div class="section">
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<div class="section-title">Pull Request Details</div>
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<div class="metadata">
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<div class="metadata-row">
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<div class="metadata-label">Number</div>
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<div class="metadata-value">#$prNumber</div>
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</div>
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<div class="metadata-row">
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<div class="metadata-label">Title</div>
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<div class="metadata-value">$prTitle</div>
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</div>
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<div class="metadata-row">
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<div class="metadata-label">State</div>
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<div class="metadata-value">$prState</div>
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</div>
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<div class="metadata-row">
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<div class="metadata-label">Branch</div>
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<div class="metadata-value">$prHead → $prBase</div>
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</div>
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<div class="metadata-row">
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<div class="metadata-label">URL</div>
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<div class="metadata-value"><a href="$prUrl" style="color: #0066cc;">$prUrl</a></div>
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</div>
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</div>
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</div>
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HTML;
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break;
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case 'issues':
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$eventIcon = '📝';
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$issue = $payload['issue'] ?? [];
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$issueNumber = htmlspecialchars($issue['number'] ?? 'N/A', ENT_QUOTES, 'UTF-8');
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$issueTitle = htmlspecialchars($issue['title'] ?? 'N/A', ENT_QUOTES, 'UTF-8');
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$issueUrl = htmlspecialchars($issue['html_url'] ?? '#', ENT_QUOTES, 'UTF-8');
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$issueState = htmlspecialchars($issue['state'] ?? 'N/A', ENT_QUOTES, 'UTF-8');
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$eventContent = <<<HTML
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<div class="section">
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<div class="section-title">Issue Details</div>
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<div class="metadata">
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<div class="metadata-row">
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<div class="metadata-label">Number</div>
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<div class="metadata-value">#$issueNumber</div>
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</div>
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<div class="metadata-row">
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<div class="metadata-label">Title</div>
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<div class="metadata-value">$issueTitle</div>
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</div>
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<div class="metadata-row">
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<div class="metadata-label">State</div>
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<div class="metadata-value">$issueState</div>
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</div>
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<div class="metadata-row">
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<div class="metadata-label">URL</div>
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<div class="metadata-value"><a href="$issueUrl" style="color: #0066cc;">$issueUrl</a></div>
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</div>
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</div>
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</div>
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HTML;
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break;
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case 'release':
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$eventIcon = '🚀';
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$release = $payload['release'] ?? [];
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$tagName = htmlspecialchars($release['tag_name'] ?? 'N/A', ENT_QUOTES, 'UTF-8');
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$releaseName = htmlspecialchars($release['name'] ?? 'N/A', ENT_QUOTES, 'UTF-8');
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$releaseUrl = htmlspecialchars($release['html_url'] ?? '#', ENT_QUOTES, 'UTF-8');
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$eventContent = <<<HTML
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<div class="section">
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<div class="section-title">Release Details</div>
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<div class="metadata">
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<div class="metadata-row">
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<div class="metadata-label">Tag</div>
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<div class="metadata-value">$tagName</div>
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</div>
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<div class="metadata-row">
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<div class="metadata-label">Name</div>
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<div class="metadata-value">$releaseName</div>
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</div>
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<div class="metadata-row">
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<div class="metadata-label">URL</div>
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<div class="metadata-value"><a href="$releaseUrl" style="color: #0066cc;">$releaseUrl</a></div>
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</div>
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</div>
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</div>
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HTML;
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break;
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default:
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// Generic event display - render as structured tables
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$eventContent = '<div class="section"><div class="section-title">Event Details</div>';
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$eventContent .= renderDataAsTable($payload);
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$eventContent .= '</div>';
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}
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$actionDisplay = $actionSafe ? " ($actionSafe)" : '';
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$html = <<<HTML
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<!DOCTYPE html>
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<html lang="en-GB">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>GitHub Webhook - $eventSafe</title>
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<style>
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body {
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background-color: #ffffff;
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color: #1a1a1a;
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font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
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line-height: 1.6;
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padding: 0;
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margin: 0;
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}
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.container {
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max-width: 700px;
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margin: 0 auto;
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padding: 40px 20px;
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}
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.header {
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text-align: center;
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padding-bottom: 30px;
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border-bottom: 3px solid #000000;
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margin-bottom: 40px;
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}
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.header h1 {
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color: #000000;
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font-size: 28px;
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font-weight: 700;
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margin: 0 0 10px 0;
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letter-spacing: -0.5px;
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}
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.header .timestamp {
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color: #666666;
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font-size: 14px;
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font-weight: 500;
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margin: 0;
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}
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.section {
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margin-bottom: 35px;
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}
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.section-title {
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color: #000000;
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font-size: 18px;
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font-weight: 700;
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margin: 0 0 12px 0;
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padding-bottom: 8px;
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border-bottom: 2px solid #e0e0e0;
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letter-spacing: -0.3px;
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}
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.data-box {
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border: 1px solid #d0d0d0;
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border-radius: 8px;
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padding: 16px 20px;
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margin: 0;
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font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
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font-size: 13px;
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line-height: 1.7;
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color: #2a2a2a;
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white-space: pre-wrap;
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word-wrap: break-word;
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overflow-x: auto;
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box-shadow: 0 1px 3px rgba(0,0,0,0.08);
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}
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.metadata {
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display: table;
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width: 100%;
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border: 1px solid #d0d0d0;
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border-radius: 8px;
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overflow: hidden;
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box-shadow: 0 1px 3px rgba(0,0,0,0.08);
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}
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.metadata-row {
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display: table-row;
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}
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.metadata-row:not(:last-child) .metadata-label,
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.metadata-row:not(:last-child) .metadata-value {
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border-bottom: 1px solid #e8e8e8;
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}
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.metadata-label {
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display: table-cell;
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padding: 12px 16px;
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font-weight: 600;
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color: #000000;
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width: 35%;
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vertical-align: top;
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font-size: 14px;
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}
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.metadata-value {
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display: table-cell;
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padding: 12px 16px;
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color: #333333;
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font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
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font-size: 13px;
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vertical-align: top;
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}
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.commit-item {
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padding: 10px 16px;
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border-left: 3px solid #e0e0e0;
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margin-bottom: 8px;
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background: #f8f8f8;
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border-radius: 4px;
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font-size: 14px;
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}
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.commit-item strong {
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color: #0066cc;
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font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
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}
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.commit-item em {
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color: #666666;
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font-style: normal;
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font-size: 13px;
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}
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.subsection {
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margin: 20px 0;
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}
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.subsection-title {
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color: #000000;
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font-size: 16px;
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font-weight: 600;
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margin: 15px 0 10px 0;
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padding: 8px 12px;
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background: #f0f0f0;
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border-left: 4px solid #666666;
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border-radius: 4px;
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}
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.array-item {
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margin-bottom: 20px;
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padding: 12px;
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background: #fafafa;
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border: 1px solid #e0e0e0;
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border-radius: 6px;
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}
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.array-item-title {
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font-weight: 600;
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color: #000000;
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margin-bottom: 10px;
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padding-bottom: 8px;
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border-bottom: 2px solid #d0d0d0;
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}
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.array-item-simple {
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padding: 8px 12px;
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margin: 4px 0;
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background: #f8f8f8;
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border-left: 3px solid #d0d0d0;
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font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
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font-size: 13px;
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}
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.simple-value {
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font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
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font-size: 13px;
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color: #333333;
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}
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.footer {
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margin-top: 50px;
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padding-top: 25px;
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border-top: 2px solid #e0e0e0;
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text-align: center;
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color: #888888;
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font-size: 12px;
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}
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</style>
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</head>
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<body>
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<div class="container">
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<div class="header">
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<h1>$eventIcon GitHub: $eventSafe$actionDisplay</h1>
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<p class="timestamp">$dateSafe</p>
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</div>
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<div class="section">
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<div class="section-title">📋 Repository Information</div>
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<div class="metadata">
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<div class="metadata-row">
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<div class="metadata-label">Repository</div>
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<div class="metadata-value">$repoSafe</div>
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</div>
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<div class="metadata-row">
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<div class="metadata-label">Event</div>
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<div class="metadata-value">$eventSafe</div>
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</div>
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<div class="metadata-row">
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<div class="metadata-label">Sender</div>
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<div class="metadata-value">$senderSafe</div>
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</div>
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<div class="metadata-row">
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<div class="metadata-label">IP Address</div>
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<div class="metadata-value">$ipSafe</div>
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</div>
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</div>
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</div>
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$eventContent
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<div class="footer">
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<p>This GitHub webhook was automatically forwarded to your email address.</p>
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</div>
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</div>
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</body>
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</html>
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HTML;
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$subject = "$eventIcon GitHub $eventSafe$actionDisplay - $repoSafe";
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return [
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'html' => $html,
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'subject' => $subject
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];
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}
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