113 lines
5.6 KiB
PHP
113 lines
5.6 KiB
PHP
<?php
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require_once(__DIR__.'/../common_config.php');
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global $language, $dir;
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$style = '.red{color:red}.green{color:green}.software-link{text-align:center;font-size:small}.list{padding:0;}.list li{display:inline-block;padding:0.35em}';
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send_headers([$style]);
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echo '<!DOCTYPE html><html lang="'.$language.'" dir="'.$dir.'"><head>';
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echo "<title>"._('Online-Test')."</title>";
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echo '<meta http-equiv="Content-Type" content="text/html; charset=utf-8">';
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echo '<meta name="author" content="Daniel Winzen">';
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echo '<meta name="viewport" content="width=device-width, initial-scale=1">';
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echo '<meta name="description" content="Test whether a Tor hidden service onion is online or offline">';
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echo '<link rel="canonical" href="' . CANONICAL_URL . $_SERVER['SCRIPT_NAME'] . '">';
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echo '<style>'.$style.'</style>';
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echo '</head><body><main>';
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echo "<h1>"._('Online-Test')."</h1>";
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print_langs();
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echo "<p>"._('Here an onion address can be tested, for whether it is online or not.')."</p>";
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echo "<form action=\"$_SERVER[SCRIPT_NAME]\" method=\"POST\">";
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echo "<input type=\"hidden\" name=\"lang\" value=\"$language\">";
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echo "<p><label for=\"addr\">"._('Onion link:')."</label><br><input id=\"addr\" name=\"addr\" size=\"30\" value=\"";
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if(isset($_REQUEST['addr'])){
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echo htmlspecialchars($_REQUEST['addr']);
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}else{
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echo "http://$_SERVER[HTTP_HOST]";
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}
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echo '" required></p>';
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echo "<input type=\"submit\" name=\"action\" value=\""._('Test')."\"></form><br>";
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if(!empty($_REQUEST['addr'])){
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if(ob_get_level()>0){
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ob_end_flush();
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}
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try{
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$db=new PDO('mysql:host=' . DBHOST . ';dbname=' . DBNAME . ';charset=utf8mb4', DBUSER, DBPASS, [PDO::ATTR_ERRMODE=>PDO::ERRMODE_WARNING, PDO::ATTR_PERSISTENT=>PERSISTENT]);
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}catch(PDOException $e){
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http_response_code(500);
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die(_('No database connection!'));
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}
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if(!preg_match('~(^(https?://)?([a-z0-9]*\.)?([a-z2-7]{55}d)(\.onion(/.*)?)?$)~i', trim($_REQUEST['addr']), $addr)){
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echo "<p class=\"red\" role=\"alert\">"._('Invalid onion address!')."</p>";
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}else{
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$ch=curl_init();
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set_curl_options($ch);
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curl_setopt($ch, CURLOPT_HEADER, true);
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curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 60);
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curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
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curl_setopt($ch, CURLOPT_URL, "http://$addr[4].onion/");
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curl_setopt($ch, CURLOPT_HTTPHEADER, ["Host: $addr[4].onion", 'User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:68.0) Gecko/20100101 Firefox/68.0', 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8', 'Accept-Language: en-US,en;q=0.5', 'Accept-Encoding: gzip, deflate', 'Connection: keep-alive', 'Upgrade-Insecure-Requests: 1']);
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$addr=strtolower($addr[4]);
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$md5=md5($addr, true);
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//display warning, if a phishing clone was tested
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$phishing=$db->prepare('SELECT original FROM ' . PREFIX . 'phishing, ' . PREFIX . 'onions WHERE address=? AND onion_id=' . PREFIX . 'onions.id;');
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$phishing->execute([$addr]);
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if($orig=$phishing->fetch(PDO::FETCH_NUM)){
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printf("<p class=\"red\" role=\"alert\">"._('Warning, this is a known phishing clone. The original site is located at %s.')."</p>", "<a href=\"http://$orig[0].onion\">$orig[0].onion</a>");
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}
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$scam=$db->prepare('SELECT null FROM ' . PREFIX . 'onions WHERE md5sum=? AND category=15 AND locked=1;');
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$scam->execute([$md5]);
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if($scam->fetch(PDO::FETCH_NUM)){
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echo "<p class=\"red\" role=\"alert\">"._('Warning: This is a known scam!')."</p>";
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}
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$stmt=$db->prepare('SELECT null FROM ' . PREFIX . 'onions WHERE md5sum=? AND timediff=0 AND lasttest>?;');
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$stmt->execute([$md5, time()-60]);
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if($stmt->fetch(PDO::FETCH_NUM)){
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echo "<p class=\"green\" role=\"alert\">"._('Yes, the service is online!')."</p>";
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}elseif(($content=curl_exec($ch))!==false){
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$header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
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$header = substr($content, 0, $header_size);
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$content = substr($content, $header_size);
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if(isset($db)){
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//update entry in database
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$stmt=$db->prepare('SELECT null FROM ' . PREFIX . 'onions WHERE md5sum=?;');
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$stmt->execute([$md5]);
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if(!$stmt->fetch(PDO::FETCH_NUM)){
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$db->prepare('INSERT INTO ' . PREFIX . 'onions (address, md5sum, timeadded) VALUES (?, ?, ?);')->execute([$addr, $md5, time()]);
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}
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$db->prepare('UPDATE ' . PREFIX . 'onions SET lasttest=?, lastup=lasttest, timediff=0 WHERE md5sum=?;')->execute([time(), $md5]);
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if(preg_match('~window\.location\.replace\("http://'.$addr.'.onion/(.*?)"\)~', $content, $matches)){
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curl_setopt($ch, CURLOPT_URL, "http://$addr.onion/".$matches[1]);
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$content=curl_exec($ch);
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}
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if(preg_match('~^refresh:.*url=(https?://[^;\s]+).*?$~m', $header, $matches)){
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curl_setopt($ch, CURLOPT_URL, $matches[1]);
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$content=curl_exec($ch);
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}
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if(preg_match_all('~<meta[^>]+http-equiv="refresh"[^>]+content="(\d+);[^>]*url=([^>"]+)">~', $content, $matches, PREG_SET_ORDER)){
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$time = null;
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$link_to_check = '';
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foreach($matches as $match){
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if($time === null || $time > $match[1]){
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$time = $match[1];
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$link_to_check = $match[2];
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}
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}
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curl_setopt($ch, CURLOPT_URL, $link_to_check);
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$content=curl_exec($ch);
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}
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blacklist_scams($addr, $content);
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}
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echo "<p class=\"green\" role=\"alert\">"._('Yes, the service is online!')."</p>";
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}else{
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if(isset($db)){
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$time=time();
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$db->prepare('UPDATE ' . PREFIX . 'onions SET lasttest=?, timediff=lasttest-lastup WHERE md5sum=? AND lasttest<?;')->execute([$time, $md5, $time]);
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}
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echo "<p class=\"red\" role=\"alert\">"._('No, the service is offline!')."</p>";
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}
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curl_close($ch);
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}
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}
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?>
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<br><p class="software-link"><a target="_blank" href="https://github.com/DanWin/onion-link-list" rel="noopener">Onion Link List - <?php echo VERSION; ?></a></p>
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</main></body></html>
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