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Commit ea674237 authored by Oana-Eliza Alexa's avatar Oana-Eliza Alexa
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make non static

parent 34fe87ec
80-redesign-notifications-class
1 merge request!76Draft: Resolve "Redesign notifications class"
This commit is part of merge request !76. Comments created here will be created in the context of that merge request.
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<?php
class TokenUtils
{
private function __construct() {
}
/**
* @param string $userDN
* @param int $timeStamp
* @return string
* @throws Exception
*/
public static function generateToken (string $userDN, int $timeStamp): string
{
$token = NULL;
// Salt has been generated with APG.
$salt = '8onOlEsItKond';
$payload = json_encode($userDN . $salt);
// This allows the token to be different every time.
$time = time();
// Create hmac with sha256 alg and the key provided for JWT token signature in ENV.
$token_hmac = hash_hmac("sha256", $time . $payload, $_ENV["SECRET_KEY"], TRUE);
// We need to have a token allowed to be used within an URL.
$token = Utils::base64urlEncode($token_hmac);
// Save token within LDAP
self::saveTokenInLdap($userDN, $token, $timeStamp);
return $token;
}
/**
* @param string $userDN
* @param string $token
* NOTE : UID is the full DN of the user. (uid=...).
* @param int $days
* @return bool
* @throws Exception
*/
public static function saveTokenInLdap (string $userDN, string $token, int $days, TaskGateway $gateway): bool
{
$result = FALSE;
$currentTimestamp = time();
// Calculate the future timestamp by adding days to the current timestamp (We actually adds number of seconds).
$futureTimestamp = $currentTimestamp + ($days * 24 * 60 * 60);
preg_match('/uid=([^,]+),ou=/', $userDN, $matches);
$uid = $matches[1];
$dn = 'cn=' . $uid . ',' . 'ou=tokens' . ',' . $_ENV["LDAP_BASE"];
$ldap_entry["objectClass"] = ['top', 'fdTokenEntry'];
$ldap_entry["fdTokenUserDN"] = $userDN;
$ldap_entry["fdTokenType"] = 'reminder';
$ldap_entry["fdToken"] = $token;
$ldap_entry["fdTokenTimestamp"] = $futureTimestamp;
$ldap_entry["cn"] = $uid;
// set the dn for the token, only take what's between "uid=" and ",ou="
// Verify if token ou branch exists
if (!self::tokenBranchExist('ou=tokens' . ',' . $_ENV["LDAP_BASE"])) {
// Create the branch
self::createBranchToken();
}
// The user token DN creation
$userTokenDN = 'cn=' . $uid . ',ou=tokens' . ',' . $_ENV["LDAP_BASE"];
// Verify if a token already exists for specified user and remove it to create new one correctly.
if (self::tokenBranchExist($userTokenDN)) {
// Remove the user token
self::removeUserToken($userTokenDN);
}
// Add token to LDAP for specific UID
try {
$result = ldap_add($gateway->ds, $dn, $ldap_entry); // bool returned
} catch (Exception $e) {
echo json_encode(["Ldap Error - Token could not be saved!" => "$e"]); // string returned
exit;
}
return $result;
}
/**
* @param int $subTaskCall
* @param int $firstCall
* @param int $secondCall
* @return int
* Note : Simply return the difference between first and second call. (First call can be null).
*/
public static function getTokenExpiration (int $subTaskCall, int $firstCall, int $secondCall): int
{
// if firstCall is empty, secondCall is the timestamp expiry for the token.
$result = $secondCall;
if (!empty($firstCall)) {
// Verification if the subTask is the second reminder or the first reminder.
if ($subTaskCall === $firstCall) {
$result = $firstCall - $secondCall;
}
}
return $result;
}
/**
* @param $userTokenDN
* @return void
* Note : Simply remove the token for specific user DN
*/
public static function removeUserToken ($userTokenDN, TaskGateway $gateway): void
{
// Add token to LDAP for specific UID
try {
$result = ldap_delete($gateway->ds, $userTokenDN); // bool returned
} catch (Exception $e) {
echo json_encode(["Ldap Error - User token could not be removed!" => "$e"]); // string returned
exit;
}
}
/**
* Create ou=pluginManager LDAP branch
* @throws Exception
*/
public static function createBranchToken (TaskGateway $gateway): void
{
try {
ldap_add(
$gateway->ds, 'ou=tokens' . ',' . $_ENV["LDAP_BASE"],
[
'ou' => 'tokens',
'objectClass' => 'organizationalUnit',
]
);
} catch (Exception $e) {
echo json_encode(["Ldap Error - Impossible to create the token branch" => "$e"]); // string returned
exit;
}
}
/**
* @param string $token
* @param array $mailTemplateForm
* @param string $taskDN
* @return array
*/
public static function generateTokenUrl (string $token, array $mailTemplateForm, string $taskDN): array
{
//Only take the cn of the main task name :
preg_match('/cn=([^,]+),ou=/', $taskDN, $matches);
$taskName = $matches[1];
// Remove the API URI
$cleanedUrl = preg_replace('#/rest\.php/v1$#', '', $_ENV['FUSION_DIRECTORY_API_URL']);
$url = $cleanedUrl . '/accountProlongation.php?token=' . $token . '&task=' . $taskName;
$mailTemplateForm['body'] .= $url;
return $mailTemplateForm;
}
/**
* @param string $dn
* @return bool
* Note : Simply inspect if the branch for token is existing.
*/
public static function tokenBranchExist (string $dn, TaskGateway $gateway): bool
{
$result = FALSE;
try {
$search = ldap_search($gateway->ds, $dn, "(objectClass=*)");
// Check if the search was successful
if ($search) {
// Get the number of entries found
$entries = ldap_get_entries($gateway->ds, $search);
// If entries are found, set result to true
if ($entries["count"] > 0) {
$result = TRUE;
}
}
} catch (Exception $e) {
$result = FALSE;
}
return $result;
}
}
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