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- <?php
- /*
- * Copyright (c) 2016 vichan-devel
- */
-
- defined('TINYBOARD') or exit;
-
- function gen_msgid($board, $id) {
- global $config;
-
- $b = preg_replace("/[^0-9a-zA-Z$]/", 'x', $board);
- $salt = sha1($board . "|" . $id . "|" . $config['nntpchan']['salt']);
- $salt = substr($salt, 0, 7);
- $salt = base_convert($salt, 16, 36);
-
- return "<$b.$id.$salt@".$config['nntpchan']['domain'].">";
- }
-
-
- function gen_nntp($headers, $files) {
- if (count($files) == 0) {
- }
- else if (count($files) == 1 && $files[0]['type'] == 'text/plain') {
- $content = $files[0]['text'] . "\r\n";
- $headers['Content-Type'] = "text/plain; charset=UTF-8";
- }
- else {
- $boundary = sha1($headers['Message-Id']);
- $content = "";
- $headers['Content-Type'] = "multipart/mixed; boundary=$boundary";
- foreach ($files as $file) {
- $content .= "--$boundary\r\n";
- if (isset($file['name'])) {
- $file['name'] = preg_replace('/[\r\n\0"]/', '', $file['name']);
- $content .= "Content-Disposition: form-data; filename=\"$file[name]\"; name=\"attachment\"\r\n";
- }
- $type = explode('/', $file['type'])[0];
- if ($type == 'text') {
- $file['type'] .= '; charset=UTF-8';
- }
- $content .= "Content-Type: $file[type]\r\n";
- if ($type != 'text' && $type != 'message') {
- $file['text'] = base64_encode($file['text']);
- $content .= "Content-Transfer-Encoding: base64\r\n";
- }
- $content .= "\r\n";
- $content .= $file['text'];
- $content .= "\r\n";
- }
- $content .= "--$boundary--\r\n";
-
- $headers['Mime-Version'] = '1.0';
- }
- //$headers['Content-Length'] = strlen($content);
- $headers['Date'] = date('r', $headers['Date']);
- $out = "";
- foreach ($headers as $id => $val) {
- $val = str_replace("\n", "\n\t", $val);
- $out .= "$id: $val\r\n";
- }
- $out .= "\r\n";
- $out .= $content;
- return $out;
- }
-
- function nntp_publish($msg, $id) {
- global $config;
- $server = $config["nntpchan"]["server"];
- $s = fsockopen("tcp://$server");
- fgets($s);
- fputs($s, "MODE STREAM\r\n");
- fgets($s);
- fputs($s, "TAKETHIS $id\r\n");
- fputs($s, $msg);
- fputs($s, "\r\n.\r\n");
- fgets($s);
- fputs($s, "QUIT\r\n");
- fclose($s);
- }
-
- function post2nntp($post, $msgid) {
- global $config;
-
- $headers = array();
- $files = array();
-
- $headers['Message-Id'] = $msgid;
- $headers['Newsgroups'] = $config['nntpchan']['group'];
- $headers['Date'] = time();
- $headers['Subject'] = $post['subject'] ? $post['subject'] : "None";
- $headers['From'] = $post['name'] . " <poster@" . $config['nntpchan']['domain'] . ">";
-
- if ($post['email'] == 'sage') {
- $headers['X-Sage'] = true;
- }
-
- if (!$post['op']) {
- // Get muh parent
- $query = prepare("SELECT `message_id` FROM ``nntp_references`` WHERE `board` = :board AND `id` = :id");
- $query->bindValue(':board', $post['board']);
- $query->bindValue(':id', $post['thread']);
- $query->execute() or error(db_error($query));
-
- if ($result = $query->fetch(PDO::FETCH_ASSOC)) {
- $headers['References'] = $result['message_id'];
- }
- else {
- return false; // We don't have OP. Discarding.
- }
- }
-
- // Let's parse the body a bit.
- $body = trim($post['body_nomarkup']);
- $body = preg_replace('/\r?\n/', "\r\n", $body);
- $body = preg_replace_callback('@>>(>/([a-zA-Z0-9_+-]+)/)?([0-9]+)@', function($o) use ($post) {
- if ($o[1]) {
- $board = $o[2];
- }
- else {
- $board = $post['board'];
- }
- $id = $o[3];
-
- $query = prepare("SELECT `message_id_digest` FROM ``nntp_references`` WHERE `board` = :board AND `id` = :id");
- $query->bindValue(':board', $board);
- $query->bindValue(':id', $id);
- $query->execute() or error(db_error($query));
-
- if ($result = $query->fetch(PDO::FETCH_ASSOC)) {
- return ">>".substr($result['message_id_digest'], 0, 18);
- }
- else {
- return $o[0]; // Should send URL imo
- }
- }, $body);
- $body = preg_replace('/>>>>([0-9a-fA-F])+/', '>>\1', $body);
-
-
- $files[] = array('type' => 'text/plain', 'text' => $body);
-
- foreach ($post['files'] as $id => $file) {
- $fc = array();
-
- $fc['type'] = $file['type'];
- $fc['text'] = file_get_contents($file['file_path']);
- $fc['name'] = $file['name'];
-
- $files[] = $fc;
- }
-
- return array($headers, $files);
- }
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