307 lines
No EOL
12 KiB
PHP
307 lines
No EOL
12 KiB
PHP
<?php
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// Public Domain
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// MastodonAPI extension, https://codeberg.org/simonpipe/yellow-mastodonapi
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class YellowMastodonapi {
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const VERSION = "0.2.1";
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public $yellow;
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public function onLoad($yellow) {
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$this->yellow = $yellow;
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$this->yellow->system->setDefault("mastodonapiInstanceUrl", "https://example.social");
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$this->yellow->system->setDefault("mastodonapiAccountId", "");
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$this->yellow->system->setDefault("mastodonapiAccessToken", "");
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$this->yellow->system->setDefault("mastodonapiHashtag", "");
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$this->yellow->system->setDefault("mastodonapiAuthor", "YellowUser");
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$this->yellow->system->setDefault("mastodonapiTag", "Fediverse");
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$this->yellow->system->setDefault("mastodonapiFolder", "content/2-blog/");
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$this->yellow->system->setDefault("mastodonapiTriggerPath", "/mastodonapi-webhook-CHANGE_THIS_SECRET_KEY");
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$this->yellow->system->setDefault("mastodonapiLimit", "20");
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$this->yellow->system->setDefault("mastodonapiStatus", "public"); // public; draft = page is not visible, user needs to log in, requires draft extension; unlisted = page is not visible, but can be accessed with the correct link
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$this->yellow->system->setDefault("mastodonapiMaxAge", "0"); // In Stunden. 0 = alle Toots.
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}
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public function onRequest($scheme, $address, $base, $location, $fileName) {
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$triggerPath = $this->yellow->system->get("mastodonapiTriggerPath");
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if ($location == $triggerPath) {
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$postsCreated = $this->processMastodonFeed();
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$this->sendResponse(
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$postsCreated !== false
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? "Mastodon/GoToSocial API feed processed. Created $postsCreated posts."
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: "Error processing Mastodon/GoToSocial API feed.",
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$postsCreated !== false ? 200 : 500
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);
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return 1;
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}
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return 0;
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}
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public function onCommand($command, $text) {
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if (!$this->yellow) return 500;
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switch ($command) {
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case "mastodonapi":
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if (!empty($text)) return 400;
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$postsCreated = $this->processMastodonFeed();
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return ($postsCreated !== false) ? 0 : 500;
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default:
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return 0;
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}
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}
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private function processMastodonFeed() {
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$instanceUrl = $this->yellow->system->get("mastodonapiInstanceUrl");
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$accountId = $this->yellow->system->get("mastodonapiAccountId");
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$accessToken = $this->yellow->system->get("mastodonapiAccessToken");
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$hashtag = ltrim($this->yellow->system->get("mastodonapiHashtag"), '#');
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$defaultAuthor = $this->yellow->system->get("mastodonapiAuthor");
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$defaultTag = $this->yellow->system->get("mastodonapiTag");
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$targetFolder = $this->yellow->system->get("mastodonapiFolder");
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$status = $this->yellow->system->get("mastodonapiStatus");
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$maxAgeHours = intval($this->yellow->system->get("mastodonapiMaxAge"));
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$limit = intval($this->yellow->system->get("mastodonapiLimit"));
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if (empty($instanceUrl) || empty($accountId)) {
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return false;
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}
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$apiUrl = rtrim($instanceUrl, "/") . "/api/v1/accounts/" . $accountId . "/statuses?limit=" . $limit;
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$headers = ["User-Agent: YellowMastodonAPI"];
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if (!empty($accessToken)) {
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$headers[] = "Authorization: Bearer " . $accessToken;
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}
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$ch = curl_init($apiUrl);
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curl_setopt_array($ch, [
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CURLOPT_RETURNTRANSFER => true,
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CURLOPT_FOLLOWLOCATION => true,
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CURLOPT_TIMEOUT => 30,
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CURLOPT_HTTPHEADER => $headers,
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CURLOPT_SSL_VERIFYPEER => true,
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CURLOPT_SSL_VERIFYHOST => 2
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]);
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$json = curl_exec($ch);
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$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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curl_close($ch);
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if ($json === false || $httpCode < 200 || $httpCode >= 300) {
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return false;
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}
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$posts = json_decode($json, true);
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if (!is_array($posts)) {
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return false;
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}
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$config = $this->getYellowConfig();
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$postsCreated = 0;
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foreach ($posts as $post) {
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if (!empty($post['reblog']) || (!empty($post['reblogged']) && $post['reblogged'] === true)) continue;
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if (!is_null($post['in_reply_to_id'])) continue;
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$contentHtml = $post['content'] ?? '';
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$createdAt = $post['created_at'] ?? '';
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if ($maxAgeHours > 0) {
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$postTimestamp = strtotime($createdAt);
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$threshold = time() - ($maxAgeHours * 3600);
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if ($postTimestamp < $threshold) continue;
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}
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$tags = array_column($post['tags'] ?? [], 'name');
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if (!empty($hashtag) && !in_array(strtolower($hashtag), array_map('strtolower', $tags))) {
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continue;
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}
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$title = $this->generateTitle($contentHtml);
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$titleSlug = $this->generateTitleSlug($title);
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$datePrefix = date('Y-m-d', strtotime($createdAt));
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$fileName = $datePrefix . '-' . $titleSlug . '.md';
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$fullPath = $config->get("coreServerDocument") . $targetFolder . $fileName;
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if (file_exists($fullPath)) continue;
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if (!is_dir(dirname($fullPath))) mkdir(dirname($fullPath), 0755, true);
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$authorName = $post['account']['display_name'] ?: $defaultAuthor;
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$authorUrl = $post['account']['url'] ?: "#";
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$imageFilenames = [];
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$imageAltTexts = [];
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foreach ($post['media_attachments'] ?? [] as $media) {
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if (($media['type'] ?? '') === 'image') {
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$filename = $this->downloadAndSaveImage($media, $config->get("coreServerDocument") . 'media/images/');
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if ($filename) {
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$imageFilenames[] = $filename;
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$imageAltTexts[] = $media['description'] ?? '';
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}
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}
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}
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$markdownContent = $this->generateMarkdown(
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$title,
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$titleSlug,
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$createdAt,
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$contentHtml,
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$authorName,
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$authorUrl,
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$defaultAuthor,
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$defaultTag,
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$imageFilenames,
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$imageAltTexts,
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$status
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);
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file_put_contents($fullPath, $markdownContent);
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$postsCreated++;
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}
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return $postsCreated;
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}
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private function downloadAndSaveImage($media, $dirPath) {
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$imageUrl = $media['remote_url']
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?? $media['url']
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?? $media['preview_url']
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?? ($media['meta']['original']['url'] ?? null)
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?? ($media['meta']['small']['url'] ?? null);
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if (empty($imageUrl)) {
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return false;
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}
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if (!is_dir($dirPath)) mkdir($dirPath, 0755, true);
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$fileName = basename(parse_url($imageUrl, PHP_URL_PATH));
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$fullPath = $dirPath . $fileName;
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if (file_exists($fullPath)) return $fileName;
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$ch = curl_init($imageUrl);
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$headers = ["User-Agent: YellowMastodonAPI"];
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$accessToken = $this->yellow->system->get("mastodonapiAccessToken");
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if (!empty($accessToken)) {
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$headers[] = "Authorization: Bearer " . $accessToken;
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}
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curl_setopt_array($ch, [
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CURLOPT_RETURNTRANSFER => true,
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CURLOPT_FOLLOWLOCATION => true,
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CURLOPT_TIMEOUT => 30,
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CURLOPT_HTTPHEADER => $headers,
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CURLOPT_SSL_VERIFYPEER => true,
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CURLOPT_SSL_VERIFYHOST => 2,
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]);
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$imgData = curl_exec($ch);
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$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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curl_close($ch);
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if ($imgData === false || $httpCode < 200 || $httpCode >= 300) {
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return false;
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}
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file_put_contents($fullPath, $imgData);
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return $fileName;
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}
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private function generateTitle($content) {
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$text = strip_tags($content);
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$text = preg_replace('/https?:\/\/[^\s]+|#\w+/u', '', $text);
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$text = preg_replace('/[^\p{L}\p{N}\s-]/u', '', $text);
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$text = trim(preg_replace('/\s+/', ' ', $text));
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$words = explode(' ', $text);
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return trim(mb_substr(implode(' ', array_slice($words, 0, 7)), 0, 100, 'UTF-8')) ?: "Mastodon Post";
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}
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private function generateTitleSlug($title) {
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$slug = mb_strtolower($title, 'UTF-8');
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$slug = str_replace(['ä','ö','ü','Ä','Ö','Ü','ß',' '], ['ae','oe','ue','ae','oe','ue','ss','-'], $slug);
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return trim(preg_replace('/[^a-z0-9-]+/', '', $slug), '-');
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}
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private function generateMarkdown($title, $slug, $dateTime, $html, $origAuthor, $origUrl, $yellowAuthor, $yellowTag, $images = [], $alts = [], $status = "public") {
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$date = new DateTime($dateTime);
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$formattedDate = $date->format('Y-m-d');
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$formattedTime = $date->format('H:i:s');
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$content = strip_tags($html);
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$content = html_entity_decode($content, ENT_QUOTES | ENT_HTML5, 'UTF-8');
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$hashtagString = '';
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if (preg_match('/(\s*(#\w+))+$/u', $content, $matches)) {
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$content = substr($content, 0, -strlen($matches[0]));
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if (preg_match_all('/#(\w+)/u', $matches[0], $tags)) {
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$safeHashtags = array_map(function($tag) {
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return str_replace('#', '#', $tag);
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}, $tags[0]);
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$hashtagString = implode(' ', $safeHashtags);
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}
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}
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$content = trim(preg_replace('/\s+/', ' ', $content));
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$imageMarkdown = '';
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foreach ($images as $i => $filename) {
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$alt = isset($alts[$i]) ? htmlspecialchars($alts[$i], ENT_QUOTES) : '';
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$imageMarkdown .= "\n<img src=\"/media/images/" . $filename . "\" alt=\"" . $alt . "\"/>\n";
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}
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$featuredImage = '';
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$featuredImageAlt = '';
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if (!empty($images)) {
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$featuredImage = "Image: " . $images[0] . "\n";
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if (isset($alts[0]) && !empty($alts[0])) {
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$featuredImageAlt = "ImageAlt: " . htmlspecialchars($alts[0], ENT_QUOTES) . "\n";
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}
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}
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$htmlSafeAuthorName = str_replace('@', '@', $origAuthor);
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$blockquote = "> $content";
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if (!empty($hashtagString)) {
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$blockquote .= "\n>\n> " . $hashtagString;
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}
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$blockquote .= "\n>\n> — <a target=\"_blank\" href=\"$origUrl\">$htmlSafeAuthorName</a>";
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return <<<MD
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---
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Title: $title
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TitleSlug: $slug
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Published: $formattedDate $formattedTime
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Author: $yellowAuthor
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Layout: blog
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Tag: $yellowTag
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Status: $status
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$featuredImage$featuredImageAlt---
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$imageMarkdown
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$blockquote
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MD;
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}
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private function getYellowConfig() {
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return $this->yellow ? $this->yellow->system : null;
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}
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private function sendResponse($message, $statusCode = 200) {
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if (!headers_sent()) {
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header("HTTP/1.1 $statusCode");
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header("Content-Type: text/html; charset=UTF-8");
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}
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// Basis-URL aus der aktuellen Anfrage bestimmen
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$fullUrl = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http")
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. "://{$_SERVER['HTTP_HOST']}{$_SERVER['REQUEST_URI']}";
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// Trigger-Pfad aus der Yellow-Konfiguration holen
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$triggerPath = $this->yellow->system->get("mastodonapiTriggerPath");
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// Ziel-URL: Alles vor dem Trigger-Pfad abschneiden
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$redirectUrl = str_replace($triggerPath, "/", $fullUrl);
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echo "<!DOCTYPE html><html><head>";
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echo "<meta http-equiv='refresh' content='5;url={$redirectUrl}'>";
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echo "<title>Mastodon/GoToSocial API</title></head><body>";
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echo "<p>" . htmlspecialchars($message) . "</p>";
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echo "<p>You will be redirected in 5 seconds...</p>";
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echo "</body></html>";
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exit;
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}
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}
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