Browse Source

Finish cloud sync

master
Skylar Ittner 3 years ago
parent
commit
7cb7aa8f86
  1. 14
      cloud/composer.json
  2. 310
      cloud/required.php
  3. 16
      cloud/settings.template.php
  4. 11
      cloud/sync.php
  5. 2
      www/pages/home.php
  6. 4
      www/settings.template.php
  7. 44
      www/sync.php

14
cloud/composer.json

@ -0,0 +1,14 @@
{
"name": "netsyms/business-accelerator-sync-server",
"description": "Cloud component for the Business Accelerator",
"require": {
"catfan/medoo": "^1.5"
},
"license": "MPL-2.0",
"authors": [
{
"name": "Skylar Ittner",
"email": "admin@netsyms.com"
}
]
}

310
cloud/required.php

@ -0,0 +1,310 @@
<?php
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/**
* This file contains global settings and utility functions.
*/
ob_start(); // allow sending headers after content
$VARS;
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
$VARS = $_POST;
define("GET", false);
} else {
$VARS = $_GET;
define("GET", true);
}
function sendError($error) {
die('{"status": "ERROR", "msg": "' . htmlspecialchars($error) . '"}');
}
// Settings file
require __DIR__ . '/settings.php';
//
// Authenticate client
//
if (!array_key_exists($VARS['id'], CREDENTIALS) || !in_array($VARS['key'], CREDENTIALS[$VARS['id']])) {
sendError("Access denied");
}
define("CLIENT_ID", $VARS['id']);
// Determine database to connect to
define("DB_NAME", CLIENT_ID . "_accounthub");
//
// ===================
//
if (!DEBUG) {
error_reporting(0);
} else {
error_reporting(E_ALL);
ini_set('display_errors', 'On');
}
// Set default content type to JSON
header('Content-Type: application/json; charset=utf-8');
header('X-Content-Type-Options: nosniff');
header('X-XSS-Protection: 1; mode=block');
header('X-Powered-By: PHP');
header('X-Frame-Options: "DENY"');
header('Referrer-Policy: "no-referrer, strict-origin-when-cross-origin"');
// Composer
if (!file_exists(__DIR__ . '/vendor/autoload.php')) {
die("\"Please run 'composer install' first\"");
}
require __DIR__ . '/vendor/autoload.php';
// Database settings
// Also inits database and stuff
use Medoo\Medoo;
$database;
try {
$database = new Medoo([
'database_type' => DB_TYPE,
'database_name' => DB_NAME,
'server' => DB_SERVER,
'username' => DB_USER,
'password' => DB_PASS,
'charset' => DB_CHARSET
]);
} catch (Exception $ex) {
header('HTTP/1.1 500 Internal Server Error');
sendError("Database error. $ex");
}
/**
* Checks if a string or whatever is empty.
* @param $str The thingy to check
* @return boolean True if it's empty or whatever.
*/
function is_empty($str) {
return (is_null($str) || !isset($str) || $str == '');
}
/**
* Securely verify a password and its hash
* @param String $password
* @param String $hash the hash to compare to
* @return boolean True if password OK, else false
*/
function comparePassword($password, $hash) {
return password_verify($password, $hash);
}
function dieifnotloggedin() {
if ($_SESSION['loggedin'] != true) {
sendError("Session expired. Please log out and log in again.");
}
}
/**
* Check if the previous database action had a problem.
* @param array $specials int=>string array with special response messages for SQL errors
*/
function checkDBError($specials = []) {
global $database;
$errors = $database->error();
if (!is_null($errors[1])) {
foreach ($specials as $code => $text) {
if ($errors[1] == $code) {
sendError($text);
}
}
sendError("A database error occurred:<br /><code>" . $errors[2] . "</code>");
}
}
/*
* http://stackoverflow.com/a/20075147
*/
if (!function_exists('base_url')) {
function base_url($atRoot = FALSE, $atCore = FALSE, $parse = FALSE) {
if (isset($_SERVER['HTTP_HOST'])) {
$http = isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) !== 'off' ? 'https' : 'http';
$hostname = $_SERVER['HTTP_HOST'];
$dir = str_replace(basename($_SERVER['SCRIPT_NAME']), '', $_SERVER['SCRIPT_NAME']);
$core = preg_split('@/@', str_replace($_SERVER['DOCUMENT_ROOT'], '', realpath(dirname(__FILE__))), NULL, PREG_SPLIT_NO_EMPTY);
$core = $core[0];
$tmplt = $atRoot ? ($atCore ? "%s://%s/%s/" : "%s://%s/") : ($atCore ? "%s://%s/%s/" : "%s://%s%s");
$end = $atRoot ? ($atCore ? $core : $hostname) : ($atCore ? $core : $dir);
$base_url = sprintf($tmplt, $http, $hostname, $end);
} else
$base_url = 'http://localhost/';
if ($parse) {
$base_url = parse_url($base_url);
if (isset($base_url['path']))
if ($base_url['path'] == '/')
$base_url['path'] = '';
}
return $base_url;
}
}
/**
* Check if a given ipv4 address is in a given cidr
* @param string $ip IP to check in IPV4 format eg. 127.0.0.1
* @param string $range IP/CIDR netmask eg. 127.0.0.0/24, also 127.0.0.1 is accepted and /32 assumed
* @return boolean true if the ip is in this range / false if not.
* @author Thorsten Ott <https://gist.github.com/tott/7684443>
*/
function ip4_in_cidr($ip, $cidr) {
if (strpos($cidr, '/') == false) {
$cidr .= '/32';
}
// $range is in IP/CIDR format eg 127.0.0.1/24
list( $cidr, $netmask ) = explode('/', $cidr, 2);
$range_decimal = ip2long($cidr);
$ip_decimal = ip2long($ip);
$wildcard_decimal = pow(2, ( 32 - $netmask)) - 1;
$netmask_decimal = ~ $wildcard_decimal;
return ( ( $ip_decimal & $netmask_decimal ) == ( $range_decimal & $netmask_decimal ) );
}
/**
* Check if a given ipv6 address is in a given cidr
* @param string $ip IP to check in IPV6 format
* @param string $cidr CIDR netmask
* @return boolean true if the IP is in this range, false otherwise.
* @author MW. <https://stackoverflow.com/a/7952169>
*/
function ip6_in_cidr($ip, $cidr) {
$address = inet_pton($ip);
$subnetAddress = inet_pton(explode("/", $cidr)[0]);
$subnetMask = explode("/", $cidr)[1];
$addr = str_repeat("f", $subnetMask / 4);
switch ($subnetMask % 4) {
case 0:
break;
case 1:
$addr .= "8";
break;
case 2:
$addr .= "c";
break;
case 3:
$addr .= "e";
break;
}
$addr = str_pad($addr, 32, '0');
$addr = pack("H*", $addr);
$binMask = $addr;
return ($address & $binMask) == $subnetAddress;
}
/**
* Check if the REMOTE_ADDR is on Cloudflare's network.
* @return boolean true if it is, otherwise false
*/
function validateCloudflare() {
if (filter_var($_SERVER["REMOTE_ADDR"], FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) {
// Using IPv6
$cloudflare_ips_v6 = [
"2400:cb00::/32",
"2405:8100::/32",
"2405:b500::/32",
"2606:4700::/32",
"2803:f800::/32",
"2c0f:f248::/32",
"2a06:98c0::/29"
];
$valid = false;
foreach ($cloudflare_ips_v6 as $cidr) {
if (ip6_in_cidr($_SERVER["REMOTE_ADDR"], $cidr)) {
$valid = true;
break;
}
}
} else {
// Using IPv4
$cloudflare_ips_v4 = [
"103.21.244.0/22",
"103.22.200.0/22",
"103.31.4.0/22",
"104.16.0.0/12",
"108.162.192.0/18",
"131.0.72.0/22",
"141.101.64.0/18",
"162.158.0.0/15",
"172.64.0.0/13",
"173.245.48.0/20",
"188.114.96.0/20",
"190.93.240.0/20",
"197.234.240.0/22",
"198.41.128.0/17"
];
$valid = false;
foreach ($cloudflare_ips_v4 as $cidr) {
if (ip4_in_cidr($_SERVER["REMOTE_ADDR"], $cidr)) {
$valid = true;
break;
}
}
}
return $valid;
}
/**
* Makes a good guess at the client's real IP address.
*
* @return string Client IP or `0.0.0.0` if we can't find anything
*/
function getClientIP() {
// If CloudFlare is in the mix, we should use it.
// Check if the request is actually from CloudFlare before trusting it.
if (isset($_SERVER["HTTP_CF_CONNECTING_IP"])) {
if (validateCloudflare()) {
return $_SERVER["HTTP_CF_CONNECTING_IP"];
}
}
if (isset($_SERVER["REMOTE_ADDR"])) {
return $_SERVER["REMOTE_ADDR"];
}
return "0.0.0.0"; // This will not happen unless we aren't a web server
}
/**
* Check if the client's IP has been doing too many brute-force-friendly
* requests lately.
* Kills the script with a "friendly" error and response code 429
* (Too Many Requests) if the last access time in the DB is too near.
*
* Also updates the rate_limit table with the latest data and purges old rows.
* @global type $database
*/
function engageRateLimit() {
global $database;
$delay = date("Y-m-d H:i:s", strtotime("-2 seconds"));
$database->delete('rate_limit', ["lastaction[<]" => $delay]);
if ($database->has('rate_limit', ["AND" => ["ipaddr" => getClientIP()]])) {
http_response_code(429);
// JSONify it so API clients don't scream too loud
die(json_encode(["status" => "ERROR", "msg" => "You're going too fast. Slow down, mkay?"]));
} else {
// Add a record for the IP address
$database->insert('rate_limit', ["ipaddr" => getClientIP(), "lastaction" => date("Y-m-d H:i:s")]);
}
}

16
cloud/settings.template.php

@ -0,0 +1,16 @@
<?php
// Whether to show debugging data in output.
// DO NOT SET TO TRUE IN PRODUCTION!!!
define("DEBUG", false);
// Database connection settings
// See http://medoo.in/api/new for info
define("DB_TYPE", "mysql");
define("DB_NAME", "accounthub");
define("DB_SERVER", "localhost");
define("DB_USER", "");
define("DB_PASS", "");
define("DB_CHARSET", "utf8");
define("CREDENTIALS", ["test" => ["123"]]);

11
cloud/sync.php

@ -0,0 +1,11 @@
<?php
require __DIR__ . "/required.php";
switch ($VARS['action']) {
case "getaccounts":
$accounts = $database->select("accounts", ["uid", "username", "password", "authsecret"], ["password[!]" => null]);
exit(json_encode($accounts));
default:
die("\"action invalid or not found\"");
}

2
www/pages/home.php

@ -65,7 +65,7 @@ require_once __DIR__ . '/../required.php';
<h1><i class="fas fa-fw fa-cloud"></i> <?php echo $syncstring; ?></h1>
</div>
<div class="card-footer">
<a href="sync.php" class="text-light"><i class="fas fa-sync"></i> Sync Now</a>
<a href="sync.php?web=1" class="text-light"><i class="fas fa-sync"></i> Sync Now</a>
</div>
</div>
</div>

4
www/settings.template.php

@ -14,5 +14,9 @@ define("DEBUG", false);
define("DB_FILE", "/var/sqlitedb/accounts.db");
define("DB_CHARSET", "utf8");
define("CLOUD_URL", "https://sync.netsyms.biz/sync.php");
define("CLOUD_ID", "test");
define("CLOUD_KEY", "123");
define("FOOTER_TEXT", "");
define("COPYRIGHT_NAME", "Netsyms Technologies");

44
www/sync.php

@ -0,0 +1,44 @@
<?php
require __DIR__ . "/required.php";
try {
$client = new GuzzleHttp\Client();
$response = $client
->request('POST', CLOUD_URL, [
'form_params' => [
'id' => CLOUD_ID,
'key' => CLOUD_KEY,
'action' => "getaccounts"
]
]);
if ($response->getStatusCode() != 200) {
if ($VARS['web'] == "1") {
header("Location: ./index.php?page=home&err=remotefail");
}
echo "Error: Remote server error. Try again later.";
die();
}
$resp = json_decode($response->getBody(), TRUE);
$database->delete('accounts', []);
foreach ($resp as $p) {
$database->insert('accounts', ["uid" => $p['uid'], "username" => $p['username'], "password" => $p['password'], "authsecret" => $p['authsecret']]);
}
if ($database->has('config', ['key' => 'lastsync'])) {
$database->update('config', ['value' => time()], ['key' => 'lastsync']);
} else {
$database->insert('config', ['key' => 'lastsync', 'value' => time()]);
}
if ($VARS['web'] == "1") {
header("Location: ./index.php?page=home&msg=syncok");
}
echo "Sync complete.";
die();
} catch (Exception $e) {
if ($VARS['web'] == "1") {
header("Location: ./index.php?page=home&err=fail");
}
echo "Error: " . $e->getMessage();
die();
}
Loading…
Cancel
Save