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+<?php

+/**

+ *  Copyright (C) 2021  Double Bastion LLC

+ *

+ *  This file is part of Roundpin, which is licensed under the

+ *  GNU Affero General Public License Version 3.0. The license terms

+ *  are detailed in the "LICENSE.txt" file located in the root directory.

+ */

+

+session_start();

+ // header('Set-Cookie: PHPSESSID= ' . session_id() . '; SameSite=strict; Secure=true; HttpOnly=true;');

+

+if (isset($_POST['vconfextension']) && $_POST['vconfextension'] != '' && isset($_POST['encextenpass']) && $_POST['encextenpass'] != '' && isset($_POST['currentvconfext']) && 

+    $_POST['currentvconfext'] != '' && isset($_POST['currentvconfpubkey']) && $_POST['currentvconfpubkey'] != '' && isset($_POST['currentvconfprivkey']) && 

+    $_POST['currentvconfprivkey'] != '') {

+

+       define('ACCESSCONST', TRUE);

+

+       require('db-connect.php');

+

+       $extForExternal = $_POST['vconfextension'];

+       $extenPassEnc = $_POST['encextenpass'];

+

+       $vconfExtension = $_POST['currentvconfext'];

+       $chatPubKey = $_POST['currentvconfpubkey'];

+       $chatPrivKey = $_POST['currentvconfprivkey'];

+

+       // Check if the received external user extension, the corresponding encrypted password and the extension of the conference, match the data in the 'external_users' table

+       $query = $mysqli->prepare("SELECT id, exten_for_external, exten_for_ext_pass, conf_extension FROM external_users WHERE exten_for_external = ? AND exten_for_ext_pass = ? AND conf_extension = ?");

+       $query->bind_param("sss", $extForExternal, $extenPassEnc, $vconfExtension);

+       $query->execute();

+       $extqueryres = $query->get_result()->fetch_array();

+

+       if (!$extqueryres) {

+

+           http_response_code(400);

+           exit();

+

+       } else {

+

+	       // Create the necessary directory if it doesn't exist

+	       if (!is_dir('../textchat/' . $vconfExtension)) {

+		    mkdir('../textchat/' . $vconfExtension, 0700);

+	       }

+

+	       // Save the RSA keys

+	       if ($vconfExtension != '') {

+

+		   if (!file_exists('../textchat/' . $vconfExtension . '/rsa_1024_pub.pem') || !file_exists('../textchat/' . $vconfExtension . '/rsa_1024_priv.pem')) {

+

+			$savePubKey = file_put_contents('../textchat/' . $vconfExtension . '/rsa_1024_pub.pem', $chatPubKey);

+			chmod('../textchat/' . $vconfExtension . '/rsa_1024_pub.pem', 0600);

+

+			$savePrivKey = file_put_contents('../textchat/' . $vconfExtension . '/rsa_1024_priv.pem', $chatPrivKey);

+			chmod('../textchat/' . $vconfExtension . '/rsa_1024_priv.pem', 0400);

+

+			$messageres = 'success';

+

+		   } else { $messageres = 'success'; }

+

+	       } else { 

+		     $messageres = 'failure';

+	       }

+

+       }

+

+       $generateresp = ['messageres' => $messageres];

+

+       echo json_encode($generateresp);

+

+} else {

+    header("Location: ../login.php");

+}

+

+?>