Files
Pritunl-Fake-API/www/index.php
2023-07-23 21:50:37 +02:00

188 lines
8.7 KiB
PHP

<?php
// Author: simonmicro 2023
// Config
$minVersionNumber = 1003235044068;
$minVersionName = '1.32.3504.68';
$minVersionIgnored = false; // use this to ignore the min version check - used for the public endpoint to avoid breaking too many clients at once
$licenseCosts = 42; // insert here any price you want - "0" is a special value, which also breaks the UI ;)
header('Access-Control-Allow-Origin: *'); //Allow access from everywhere...
$code = 200; // Assuming everything is fine for now
// Check if a ".ignoreMinVersion" file exists
if(!$minVersionIgnored && file_exists('.ignoreMinVersion')) {
$minVersionIgnored = true; // If so, we ignore the min version check
}
// Parse body (if possible)
$body = json_decode(file_get_contents('php://input'));
$clientVersion = isset($body->version) ? $body->version : null;
// Fake API
$result = null;
if (version_compare(PHP_VERSION, '8.0.0', '<')) {
$result = array('error_msg' => 'This API only supports PHP 8 or higher.');
$code = 500;
} else if(isset($_GET['path'])) {
$path = trim($_GET['path'], ' /');
$pathParts = explode('/', $path);
if(count($pathParts) > 0 && $pathParts[0] == 'healthz') {
$result = 'OK';
} else if(count($pathParts) > 0 && $pathParts[0] == 'notification') {
// Any notification/[version] will be answered here
$msg = 'Fake API endpoint for v' . $minVersionName . ' active and reachable (contacted at ' . date('r') . ').';
if(intval($pathParts[1]) < $minVersionNumber) {
$msg .= ' Please update your Pritunl instance to a newer version as this endpoint may not compatible anymore.';
}
$result = array(
'message' => $msg,
'vpn' => false, // idk
'www' => false // idk
);
} else if(count($pathParts) > 0 && $pathParts[0] == 'auth') {
$result = array('error_msg' => 'Sorry, but SSO is currently not supported.');
$code = 401; // Let Pritunl fail, without 500 codes (it will show 405)
} else if(count($pathParts) > 0 && $pathParts[0] == 'ykwyhd') {
// The "you-know-what-you-have-done" endpoint -> used as dummy url target
$result = array('detail' => 'You know what you have done.');
} else if(!$minVersionIgnored && $clientVersion != null && $clientVersion < $minVersionNumber) {
// Check if the instance is too old for us (for now following operators)
$result = array('error_msg' => 'This API supports v' . $minVersionName . ' (' . $minVersionNumber . ') or higher.');
$code = 473;
} else if(count($pathParts) > 0 && $pathParts[0] == 'subscription') {
// The following only works with the body containing the desired license
if(isset($body->license)) {
$license = null;
$user = md5(base64_encode($body->license));
$url_key = substr($user, 0, 8);
$input = strtolower($body->license);
// The stylesheet determines what is shown on the dashboard (and by the plan).
$stylesheet = '';
if(str_contains($input, 'premium')) {
$license = 'premium';
$stylesheet = file_get_contents('premium.css');
// No need to install the user license "id" into CSS class, as that file only contains custom patches
} else if(str_contains($input, 'enterprise')) {
$license = 'enterprise';
$stylesheet = file_get_contents('enterprise.css');
$stylesheet = preg_replace('/(\.enterprise)([\.\ ])/', '$1-'.$url_key.'$2', $stylesheet); // Install user license "id" into CSS class
} else if(str_contains($input, 'ultimate')) {
$license = 'enterprise_plus';
$stylesheet = file_get_contents('enterprise_plus.css');
$stylesheet = preg_replace('/(\.enterprise-plus)([\.\ ])/', '$1-'.$url_key.'$2', $stylesheet); // Install user license "id" into CSS class
}
$stylesheet .= "\n/* custom.css */\n";
$stylesheet .= str_replace('BACKGROUND_IMAGE_URI', "https://" . $_SERVER['HTTP_HOST'] . "/logo.png", file_get_contents('custom.css'));
$stylesheet .= "\n/* Generated for $license license */";
$state = null;
if($license) { // The following only makes sense if you selected any license
if(str_starts_with($input, 'bad')) {
$state = 'Bad';
} else if(str_starts_with($input, 'canceled')) {
$state = 'canceled';
} else if(str_starts_with($input, 'active')) {
$state = 'Active';
}
}
if($state == 'Active') {
$result = array(
'active' => true, // if the sub is not active, the css won't use the LICENSE-subscription_id pattern
'status' => $state,
'plan' => $license,
'url_key' => $user,
'quantity' => 42,
'amount' => $licenseCosts,
'credit' => 42,
'period_end' => false,
'trial_end' => false,
'cancel_at_period_end' => false,
'premium_buy_url' => 'https://' . $_SERVER['HTTP_HOST'] . '/ykwyhd/',
'enterprise_buy_url' => 'https://' . $_SERVER['HTTP_HOST'] . '/ykwyhd/',
'portal_url' => 'https://' . $_SERVER['HTTP_HOST'] . '/ykwyhd/',
'styles' => array(
'etag' => null, // the resource is NOT encrypted
'last_modified' => time(),
'data' => $stylesheet
)
);
} else if($state == 'Canceled') {
$result = array(
'active' => false, // Here we can savely disable any style
'status' => $state,
'plan' => $license,
'quantity' => 42,
'amount' => 42,
'period_end' => false,
'trial_end' => false,
'cancel_at_period_end' => false,
'styles' => array(
'etag' => null,
'last_modified' => null,
'data' => null
)
);
} else if($state == 'Bad' || $state == null) {
$code = 470; // -> bad license
// Do not mention "canceled" in "error_msg", as it is somewhat useless (same as bad)...
$result = array(
'error' => 'license_invalid',
'error_msg' => $state == null ? 'Unknown command. Use ["bad" | "active"] ["premium" | "enterprise" | "ultimate"].' : 'As you wish.',
'active' => false,
'status' => null,
'plan' => null,
'quantity' => null,
'amount' => null,
'period_end' => null,
'trial_end' => null,
'cancel_at_period_end' => null,
'styles' => array(
'etag' => null,
'last_modified' => null,
'data' => null
)
);
}
} else {
$result = array('error_msg' => 'Missing license in body.');
$code = 401;
}
} else if(count($pathParts) > 0 && $pathParts[0] == 'checkout') {
$result = array(
'zipCode' => false,
'allowRememberMe' => false,
'image' => 'https://' . $_SERVER['HTTP_HOST'] . '/logo.png',
'key' => null, // Insert here a key to unlock the stripe store (is a string). And buy the subscription...
'plans' => array(
'premium' => array(
'amount' => $licenseCosts
),
'enterprise' => array(
'amount' => $licenseCosts
),
'enterprise_plus' => array(
'amount' => $licenseCosts
)
)
);
}
}
header('Content-Type: application/json');
http_response_code($code);
echo json_encode($result);
// Should we log any request? Used for the development and debugging of this API
if(false) {
// Log request
file_put_contents('access.log', "\n" . date('r') . ":\n" . json_encode(array('head' => getallheaders(), 'body' => file_get_contents('php://input'), 'get' => $_GET, 'post' => $_POST, 'answer_code' => $code, 'answer' => $result)) . "\n", FILE_APPEND);
// GET operator to clear log file
if(isset($_GET['clear']))
file_put_contents('access.log', '');
}
?>