Alcea
550 lines
20 KiB
PHP
550 lines
20 KiB
PHP
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<?php
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//load timeline if root url
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$currentDomain = $_SERVER['HTTP_HOST'];
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$requestUri = $_SERVER['REQUEST_URI'];
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$rootDomain = 'alceawis.com'; // Replace with your actual root domain
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if ($currentDomain == $rootDomain && $requestUri == '/') {
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echo '<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>' . PHP_EOL;
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echo '<script type="text/javascript">$(document).ready(function(){$("#tl").load("timeline.html");});</script>' . PHP_EOL;
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echo '<div class="formClass"><div id="tl"></div></div>' . PHP_EOL;}
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?>
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<?php
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file_put_contents(__DIR__ . '/debug.log', "[" . date('c') . "] REQUEST_URI: " . ($_SERVER['REQUEST_URI'] ?? '') . "\n", FILE_APPEND);
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$autoloadPath = __DIR__ . '/vendor/autoload.php';
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if (!file_exists($autoloadPath)) {
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die("Error: Autoload file not found at $autoloadPath\n");
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}
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require $autoloadPath;
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use ActivityPhp\Server;
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$domain = 'alceawis.com';
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$username = 'alceawis';
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$baseUrl = "https://$domain";
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$server = new Server();
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$data = json_decode(file_get_contents(__DIR__ . '/data_alcea.json'), true);
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$pushedFile = __DIR__ . '/pushed.json';
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$pushed = file_exists($pushedFile) ? json_decode(file_get_contents($pushedFile), true) : [];
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$interactionFile = __DIR__ . '/interaction.json';
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$outboxItems = [];
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/* ---------- helpers ---------- */
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function formatEmojis($text) {
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return $text; // keep shortcode as‑is
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}
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function formatQuotes($text) {
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return preg_replace_callback('/ð’«(.*?)ð’«/s', function ($m) {
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return "<blockquote>" . trim($m[1]) . "</blockquote>";
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}, $text);
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}
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function formatDescriptionLinks(string $text): string {
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$escaped = htmlspecialchars($text);
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$html = preg_replace('~(https?://[^\s<]+)~i', '<a href="$1" target="_blank" rel="nofollow noopener noreferrer">$1</a>', $escaped);
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return nl2br($html);
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}
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function discoverInbox($actorUrl) {
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if (!str_ends_with($actorUrl, '.json')) $actorUrl = rtrim($actorUrl, '/') . '.json';
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$ctx = stream_context_create(['http' => ['method' => 'GET','header' => "Accept: application/activity+json, application/ld+json\r\n"]]);
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$json = @file_get_contents($actorUrl, false, $ctx);
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if (!$json) {
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file_put_contents(__DIR__ . '/inbox.log', "[" . date('c') . "] Failed to fetch actor JSON from $actorUrl\n", FILE_APPEND);
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return null;
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}
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$actor = json_decode($json, true);
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return $actor['inbox'] ?? null;
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}
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function sendSignedRequest($inboxUrl, $body) {
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$keyId = "https://alceawis.com/alceawis#main-key";
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$privateKeyPem = file_get_contents(__DIR__ . '/private.pem');
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$date = gmdate('D, d M Y H:i:s \G\M\T');
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$bodyJson = json_encode($body, JSON_UNESCAPED_SLASHES);
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$digest = 'SHA-256=' . base64_encode(hash('sha256', $bodyJson, true));
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$p = parse_url($inboxUrl);
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$signatureStr = "(request-target): post {$p['path']}\nhost: {$p['host']}\ndate: $date\ndigest: $digest";
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openssl_sign($signatureStr, $sig, $privateKeyPem, OPENSSL_ALGO_SHA256);
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$sigHeader = 'keyId="' . $keyId . '",algorithm="rsa-sha256",headers="(request-target) host date digest",signature="' . base64_encode($sig) . '"';
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$hdrs = [
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"Host: {$p['host']}",
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"Date: $date",
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"Digest: $digest",
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"Signature: $sigHeader",
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"Content-Type: application/activity+json"
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];
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// Debugging: Log the headers and request body
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file_put_contents(__DIR__ . '/debug.log', "[" . date('c') . "] Sending request to: $inboxUrl\n", FILE_APPEND);
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file_put_contents(__DIR__ . '/debug.log', "[" . date('c') . "] Headers:\n" . implode("\n", $hdrs) . "\n", FILE_APPEND);
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file_put_contents(__DIR__ . '/debug.log', "[" . date('c') . "] Body:\n$bodyJson\n\n", FILE_APPEND);
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$ch = curl_init($inboxUrl);
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curl_setopt_array($ch, [
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CURLOPT_POST => true,
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CURLOPT_POSTFIELDS => $bodyJson,
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CURLOPT_HTTPHEADER => $hdrs,
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CURLOPT_RETURNTRANSFER => true
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]);
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$resp = curl_exec($ch);
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// Debugging: Log the response
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if (curl_errno($ch)) {
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file_put_contents(__DIR__ . '/inbox.log', "[" . date('c') . "] cURL error: " . curl_error($ch) . "\n", FILE_APPEND);
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} else {
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file_put_contents(__DIR__ . '/debug.log', "[" . date('c') . "] Response: $resp\n\n", FILE_APPEND);
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}
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curl_close($ch);
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return $resp;
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}
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function sendCreateActivity(array $note) {
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global $baseUrl, $username;
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$activity = [
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'@context' => 'https://www.w3.org/ns/activitystreams',
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'id' => $note['id'] . '/activity',
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'type' => 'Create',
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'actor' => "$baseUrl/$username",
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'object' => $note,
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'to' => ['https://www.w3.org/ns/activitystreams#Public'],
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];
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$followers = file_exists(__DIR__ . '/followers.json') ? json_decode(file_get_contents(__DIR__ . '/followers.json'), true) : [];
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foreach ($followers as $follower) {
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if ($inbox = discoverInbox($follower)) sendSignedRequest($inbox, $activity);
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}
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}
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/* ---------- build outbox ---------- */
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$lastNoteId = null;
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foreach ($data as $entry) {
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foreach ($entry as $date => $content) {
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$hash = substr(md5($content['value']), 0, 8);
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$text = formatEmojis($content['value']);
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$inReplyTo = null;
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$mentionTag = null;
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$mentionAcct = null;
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if (preg_match('/💬(https?:\/\/[^\s💬]+)💬/', $text, $match)) {
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$inReplyTo = $match[1];
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$lines = explode("\n", $text);
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array_shift($lines);
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$text = implode("\n", $lines);
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}
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// Extract hashtags
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$hashtags = array_filter(array_map('trim', explode(',', $content['hashtags'] ?? '')));
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// Handle @mention if replying to someone
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if ($inReplyTo && preg_match('~https?://([^/]+)/@([a-zA-Z0-9_]+)~', $inReplyTo, $matches)) {
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$mentionDomain = $matches[1];
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$mentionUser = $matches[2];
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$mentionAcct = "$mentionUser@$mentionDomain";
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$mentionUrl = "https://$mentionDomain/@$mentionUser";
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$mentionText = "@$mentionAcct ";
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if (strpos($text, $mentionText) !== 0) {
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$text = $mentionText . $text;
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}
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// Create Mention tag object
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$mentionTag = [
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'type' => 'Mention',
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'href' => $mentionUrl,
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'name' => "@$mentionAcct"
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];
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}
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// Format quotes and links
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$quotedText = formatQuotes($text);
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$htmlText = preg_replace(
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'~(https?://[^\s<]+)~i',
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'<a href="$1" target="_blank" rel="nofollow noopener noreferrer">$1</a>',
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$quotedText
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);
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// Convert hashtags to tag links
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$htmlText = preg_replace_callback('/#([\w-]+)/', function($matches) use ($domain) {
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$tag = $matches[1];
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$url = "https://$domain/tags/" . urlencode($tag);
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return "<a href=\"$url\" rel=\"tag nofollow noopener noreferrer\">#" . htmlspecialchars($tag) . "</a>";
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}, $htmlText);
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$htmlText = nl2br($htmlText);
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// Build hashtag tag objects
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$tags = array_map(function($tag) use ($domain) {
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return [
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'type' => 'Hashtag',
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'name' => "#$tag",
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'href' => "https://$domain/tags/$tag"
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];
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}, $hashtags);
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// Extract emoji shortcodes and create tag objects
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preg_match_all('/:([a-zA-Z0-9_]+):/', $content['value'], $emojiMatches);
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foreach ($emojiMatches[1] as $shortcode) {
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$tags[] = [
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'type' => 'Emoji',
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'name' => ":$shortcode:",
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'icon' => [
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'type' => 'Image',
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'mediaType' => 'image/gif',
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'url' => "https://$domain/z_files/emojis/$shortcode.gif"
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]
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];
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}
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// Add mention tag if applicable
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if ($mentionTag) {
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$tags[] = $mentionTag;
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}
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// Compose Note ID
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$noteId = "$baseUrl/$username/status/{$date}-$hash";
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// Build the Note object
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$note = [
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'id' => $noteId,
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'type' => 'Note',
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'published' => date(DATE_ATOM, strtotime($date)),
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'attributedTo' => "$baseUrl/$username",
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'to' => ['https://www.w3.org/ns/activitystreams#Public'],
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'content' => $htmlText,
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'contentMap' => [
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'und' => $text,
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'html' => $htmlText,
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],
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'tag' => $tags,
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];
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// Add inReplyTo if exists
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if ($inReplyTo) {
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$note['inReplyTo'] = $inReplyTo;
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}
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$outboxItems[] = $note;
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// Send activity only if not already pushed
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if (!in_array($noteId, $pushed)) {
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sendCreateActivity($note);
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$pushed[] = $noteId;
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file_put_contents($pushedFile, json_encode($pushed, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES));
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}
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}
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}
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if (!empty($pushed)) {
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$lastPushedUrl = end($pushed);
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foreach ($outboxItems as $item) {
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if ($item['id'] === $lastPushedUrl) {
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$noteText = $item['contentMap']['und'] ?? '[No text]';
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$inReplyTo = $item['inReplyTo'] ?? 'None';
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if (!file_exists('outbox.log')) {
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file_put_contents('outbox.log', '');
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}
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$logEntry = sprintf(
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"[%s] New post created\nStatus URL: %s\nReply To: %s\nContent:\n%s\n\n",
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date('Y-m-d H:i:s'),
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$lastPushedUrl,
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$inReplyTo,
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$noteText
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);
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//file_put_contents('outbox.log', $logEntry, FILE_APPEND | LOCK_EX);
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break;
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}
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}
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}
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/* ---------- router ---------- */
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$uri = explode('?', $_SERVER['REQUEST_URI'] ?? '')[0];
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if ($uri === "/$username" || $uri === "/$username/") {
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header('Content-Type: application/activity+json');
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header('Vary: Accept');
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$profileFile = __DIR__ . '/profileinfo.json';
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$profileData = file_exists($profileFile) ? json_decode(file_get_contents($profileFile), true) : [];
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$imageUrl = $profileData['image_url'] ?? "$baseUrl/z_files/emojis/alceawis.gif";
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$descHtml = formatDescriptionLinks($profileData['description'] ?? '');
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$summaryRaw = $profileData['description'] ?? '';
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$fields = [];
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foreach ($profileData['links'] ?? [] as $link) {
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if (!empty($link['name']) && !empty($link['url'])) {
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$fields[] = [
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'name' => $link['name'],
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'value' => '<a href="' . htmlspecialchars($link['url']) . '" rel="me nofollow noopener noreferrer" target="_blank">' . htmlspecialchars($link['url']) . '</a>'
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];
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}
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}
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echo json_encode([
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'@context' => [
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'https://www.w3.org/ns/activitystreams',
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[
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'manuallyApprovesFollowers' => 'as:manuallyApprovesFollowers',
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'toot' => 'http://joinmastodon.org/ns#',
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'featured' => [
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'@id' => 'toot:featured',
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'@type' => '@id'
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]
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]
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],
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'id' => "$baseUrl/$username",
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'type' => 'Person',
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'name' => 'Alcea Bot',
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'preferredUsername' => $username,
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'summary' => $descHtml,
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'icon' => [
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'type' => 'Image',
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'mediaType' => 'image/gif',
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'url' => $imageUrl
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],
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'inbox' => "$baseUrl/$username/inbox",
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'outbox' => "$baseUrl/$username/outbox",
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'followers' => "$baseUrl/$username/followers",
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'publicKey' => [
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'id' => "$baseUrl/$username#main-key",
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'owner' => "$baseUrl/$username",
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'publicKeyPem' => file_get_contents(__DIR__ . '/public.pem')
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],
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'manuallyApprovesFollowers' => false,
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'bot' => false,
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'discoverable' => true,
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'indexable' => true,
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'group' => false,
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'attachment' => $fields
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], JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT);
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exit;
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}
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if ($uri === "/$username/outbox" || $uri === "/$username/outbox/") {
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header('Content-Type: application/activity+json');
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if (($_GET['page'] ?? '') === 'true') {
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echo json_encode([
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'@context' => ['https://www.w3.org/ns/activitystreams',['manuallyApprovesFollowers'=>'as:manuallyApprovesFollowers','toot'=>'http://joinmastodon.org/ns#','featured'=>['@id'=>'toot:featured','@type'=>'@id']]],
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'id' => "$baseUrl/$username/outbox?page=true",
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'type' => 'OrderedCollectionPage',
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'partOf' => "$baseUrl/$username/outbox",
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'orderedItems' => $outboxItems,
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], JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT);
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} else {
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echo json_encode([
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'@context' => ['https://www.w3.org/ns/activitystreams',['manuallyApprovesFollowers'=>'as:manuallyApprovesFollowers','toot'=>'http://joinmastodon.org/ns#','featured'=>['@id'=>'toot:featured','@type'=>'@id']]],
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'id' => "$baseUrl/$username/outbox",
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'type' => 'OrderedCollection',
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'totalItems' => count($outboxItems),
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'first' => "$baseUrl/$username/outbox?page=true"
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], JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT);
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}
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exit;
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}
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if (preg_match('/^\/' . $username . '\/status\/([a-z0-9\-]+)$/', $uri, $m)) {
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$postId = $m[1];
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$post = null; $date = ''; $hash = '';
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foreach ($data as $entry)
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foreach ($entry as $d => $c)
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if ("$d-" . substr(md5($c['value']), 0, 8) === $postId) {
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$post = $c; $date = $d; $hash = substr(md5($c['value']), 0, 8); break 2;
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}
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if (!$post) {
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http_response_code(404);
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echo "Not found";
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exit;
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}
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// Construct noteId
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$noteId = "$baseUrl/$username/status/{$date}-$hash";
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// Extract content
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$content = $post['value'];
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// Prepare tags (hashtags, mentions, emoji tags)
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$tags = [];
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$emojiTags = [];
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$hashtags = [];
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$mentions = [];
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// Extract hashtags: #hashtag
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preg_match_all('/#(\w+)/', $content, $hashtags);
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foreach ($hashtags[1] as $hashtag) {
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$tags[] = [
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"type" => "Hashtag",
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"name" => "#$hashtag",
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"href" => "$baseUrl/tags/$hashtag"
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];
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}
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// Extract mentions: @username
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preg_match_all('/@(\w+)/', $content, $mentions);
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foreach ($mentions[1] as $mention) {
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// Not directly used in tags, but can be added if needed
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}
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// Extract emoji tags: :emoji:
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preg_match_all('/:([\w\+\-]+):/', $content, $emojiTags);
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foreach ($emojiTags[1] as $emoji) {
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// Assuming emoji images are stored on a path like "/z_files/emojis/{emoji}.gif"
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$tags[] = [
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"type" => "Emoji",
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"name" => ":$emoji:",
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"icon" => [
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"type" => "Image",
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"mediaType" => "image/gif",
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"url" => "$baseUrl/z_files/emojis/$emoji.gif"
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]
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];
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}
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// Determine if client accepts JSON
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$accept = $_SERVER['HTTP_ACCEPT'] ?? '';
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if (str_contains($accept, 'application/activity+json') || str_contains($accept, 'application/ld+json')) {
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header('Content-Type: application/activity+json');
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echo json_encode([
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'@context' => [
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'https://www.w3.org/ns/activitystreams',
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[
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'manuallyApprovesFollowers' => 'as:manuallyApprovesFollowers',
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'toot' => 'http://joinmastodon.org/ns#',
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'featured' => [
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'@id' => 'toot:featured',
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'@type' => '@id'
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]
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]
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],
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'id' => $noteId,
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'type' => 'Note',
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'published' => date(DATE_ATOM, strtotime($date)),
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'attributedTo' => "$baseUrl/$username",
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'to' => ['https://www.w3.org/ns/activitystreams#Public'],
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'content' => $content,
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'contentMap' => [
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'und' => $content,
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'html' => nl2br($content) // Convert newlines to <br> for HTML
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],
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'tag' => $tags,
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], JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT);
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exit;
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}
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// Otherwise, return an HTML redirect after 1 second
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header('Content-Type: text/html');
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$redirectUrl = "https://alceawis.com#" . $noteId;
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echo <<<HTML
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>Redirecting�</title>
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<meta http-equiv="refresh" content="1; url=$redirectUrl">
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</head>
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<body>
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<p>Redirecting to <a href="$redirectUrl">$redirectUrl</a>�</p>
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</body>
|
|
</html>
|
|
HTML;
|
|
exit;
|
|
}
|
|
|
|
|
|
if ($uri === "/$username/followers" || $uri === "/$username/followers/") {
|
|
header('Content-Type: application/activity+json');
|
|
header('Vary: Accept');
|
|
$followers = file_exists(__DIR__ . '/followers.json') ? json_decode(file_get_contents(__DIR__ . '/followers.json'), true) : [];
|
|
echo json_encode(['@context'=>'https://www.w3.org/ns/activitystreams','id'=>"$baseUrl/$username/followers",'type'=>'OrderedCollection','totalItems'=>count($followers),'orderedItems'=>$followers], JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT);
|
|
exit;
|
|
}
|
|
|
|
/* ----- inbox (merged) ----- */
|
|
if ($uri === "/$username/inbox" || $uri === "/$username/inbox/") {
|
|
if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
|
|
http_response_code(405);
|
|
header('Allow: POST');
|
|
echo "Method Not Allowed";
|
|
exit;
|
|
}
|
|
|
|
$payload = file_get_contents('php://input');
|
|
file_put_contents(__DIR__ . '/inbox.log', "[" . date('c') . "] Received payload:\n$payload\n\n", FILE_APPEND);
|
|
$activity = json_decode($payload, true);
|
|
|
|
if (!$activity) {
|
|
file_put_contents(__DIR__ . '/inbox.log', "[" . date('c') . "] ERROR: Could not decode JSON payload.\n\n", FILE_APPEND);
|
|
http_response_code(400);
|
|
echo "Bad Request: Invalid JSON";
|
|
exit;
|
|
}
|
|
|
|
/* ---- Follow handling ---- */
|
|
if ($activity['type'] === 'Follow') {
|
|
$follower = $activity['actor'] ?? null;
|
|
if ($follower) {
|
|
file_put_contents(__DIR__ . '/followed.log', $follower . "\n", FILE_APPEND);
|
|
$followersFile = __DIR__ . '/followers.json';
|
|
$followers = file_exists($followersFile) ? json_decode(file_get_contents($followersFile), true) : [];
|
|
if (!in_array($follower, $followers)) {
|
|
$followers[] = $follower;
|
|
file_put_contents($followersFile, json_encode($followers, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES));
|
|
}
|
|
$accept = [
|
|
'@context' => 'https://www.w3.org/ns/activitystreams',
|
|
'id' => "$baseUrl/$username/accepts/" . uniqid(),
|
|
'type' => 'Accept',
|
|
'actor' => "$baseUrl/$username",
|
|
'object' => $activity,
|
|
];
|
|
if ($inbox = discoverInbox($follower)) sendSignedRequest($inbox, $accept);
|
|
else file_put_contents(__DIR__ . '/inbox.log', "[" . date('c') . "] Could not discover inbox for follower: $follower\n", FILE_APPEND);
|
|
}
|
|
}
|
|
|
|
/* ---- Like / Announce / Create logging ---- */
|
|
if (in_array($activity['type'], ['Like','Announce','Create'])) {
|
|
$interactions = file_exists($interactionFile) ? json_decode(file_get_contents($interactionFile), true) : [];
|
|
$interaction = [
|
|
'id' => $activity['id'] ?? uniqid('interaction_'),
|
|
'type' => $activity['type'],
|
|
'actor' => $activity['actor'] ?? null,
|
|
'object' => $activity['object'] ?? null,
|
|
'published' => $activity['published'] ?? date(DATE_ATOM),
|
|
'received_at' => date(DATE_ATOM),
|
|
];
|
|
if ($activity['type'] === 'Create') {
|
|
$mentionsYou = false;
|
|
if (isset($activity['object']['tag']) && is_array($activity['object']['tag'])) {
|
|
foreach ($activity['object']['tag'] as $tag) {
|
|
if (
|
|
isset($tag['type'], $tag['href']) &&
|
|
$tag['type'] === 'Mention' &&
|
|
rtrim($tag['href'], '/') === "$baseUrl/$username"
|
|
) {
|
|
$mentionsYou = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (!empty($activity['object']['inReplyTo']) || $mentionsYou) {
|
|
$interactions[] = $interaction;
|
|
}
|
|
} else {
|
|
$interactions[] = $interaction;
|
|
}
|
|
file_put_contents($interactionFile, json_encode($interactions, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES));
|
|
}
|
|
|
|
http_response_code(202);
|
|
echo "Accepted";
|
|
exit;
|
|
}
|
|
|
|
http_response_code(404);
|