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@@ -0,0 +1,114 @@
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+<?php
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+
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+define('BOT_TOKEN', '');
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+define('API_URL', 'https://api.telegram.org/bot'.BOT_TOKEN.'/');
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+
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+$mysql_user = '';
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+$mysql_pass = '';
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+
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+$db = new PDO('mysql:host=127.0.0.1;dbname=certalertbot;charset=utf8mb4', $mysql_user, $mysql_pass);
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+
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+$help = "
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+<strong>CertAlert</strong> bot
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+This bot sends an alert when a certificate matching a certain rule is logged in the Certificate Trasparency.
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+
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+
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+<pre>/list
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+</pre>
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+To list the current rules.
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+
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+<pre>/delete <id>
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+</pre>
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+To delete a rule.
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+
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+<pre>/add <in/start/end> <string>
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+</pre>
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+To add a rule.
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+<i>in</i> mtaches the given substring in any postition, <i>start</i> at the beginning and <i>end</i> at the end
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+
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+For special characters use the IDNA encoding.
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+";
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+
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+function reply($chatid, $reply) {
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+ return file_get_contents(API_URL."sendmessage?chat_id=".$chatid."&text=".urlencode($reply)."&parse_mode=HTML");
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+}
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+
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+$content = file_get_contents("php://input");
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+//error_log($content);
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+$update = json_decode($content, true);
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+$chatid = $update["message"]["chat"]["id"];
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+
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+$fromid = $update["message"]["from"]["id"];
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+$fromusername = $update["message"]["from"]["username"];
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+$command = explode(" ", $update['message']['text'])[0];
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+
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+switch($command) {
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+ case '/start':
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+ $reply = $help;
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+ break;
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+ case '/list':
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+ $stmt = $db->prepare("SELECT id, type, value FROM rules where userid = ? ORDER BY timestamp ASC");
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+ $stmt->execute(array($fromid));
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+ $rules = $stmt->fetchAll(PDO::FETCH_ASSOC);
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+ if (!empty($rules)) {
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+ $reply = "<strong>ID\tType\tValue</strong>\n";
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+ foreach ($rules as $rule) {
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+ switch($rule['type']) {
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+ case 0:
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+ $type = "in";
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+ break;
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+ case 1:
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+ $type = "start";
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+ break;
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+ case 2:
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+ $type = "end";
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+ break;
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+ }
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+ $reply .= $rule['id']."\t<i>".$type."</i>\t".htmlentities($rule['value'])."\n";
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+ }
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+ } else {
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+ $reply = "There are no rules yet";
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+ }
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+ break;
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+ break;
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+ case '/add':
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+ $exp = explode(" ", $update['message']['text']);
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+ $type = $exp[1];
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+ $value = $exp[2];
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+ switch($type) {
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+ case 'in':
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+ $type = 0;
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+ break;
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+ case 'start':
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+ $type = 1;
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+ break;
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+ case 'end':
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+ $type = 2;
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+ break;
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+ default:
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+ $type = -1;
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+ break;
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+ }
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+ if ($type > -1) {
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+ $stmt = $db->prepare("INSERT INTO rules (userid, chatid, type, value, timestamp) VALUES (?, ?, ?, ?, CURRENT_TIMESTAMP())");
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+ $stmt->execute(array($fromid, $chatid, $type, $value));
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+ $reply = "Rule added, check with /list";
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+ } else {
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+ $reply = "Invalid rule type.";
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+ }
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+
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+ break;
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+ case '/delete':
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+ $exp = explode(" ", $update['message']['text']);
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+ $id = $exp[1];
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+ $stmt = $db->prepare("DELETE FROM rules WHERE id = ? AND userid = ?");
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+ $stmt->execute(array($id, $fromid));
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+ $reply = "Rule ".$id." deleted";
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+ break;
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+ default:
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+ $reply = "Unknown command";
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+ break;
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+}
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+reply($chatid, $reply);
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+
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+?>
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