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[Web] Allow CIDR as allowed API networks; other minor fixes

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This commit is contained in:
andryyy
2020-05-04 07:51:50 +02:00
parent 066b23bb02
commit aef15f004a
8 changed files with 243 additions and 247 deletions
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338
data/web/inc/functions.inc.php
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@@ -10,6 +10,76 @@ function isset_has_content($var) {
return false;
}
}
// Validates ips and cidrs
function valid_network($network) {
if (filter_var($network, FILTER_VALIDATE_IP)) {
return true;
}
$parts = explode('/', $network);
if (count($parts) != 2) {
return false;
}
$ip = $parts[0];
$netmask = $parts[1];
if (!preg_match("/^\d+$/", $netmask)){
return false;
}
$netmask = intval($parts[1]);
if ($netmask < 0) {
return false;
}
if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
return $netmask <= 32;
}
if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) {
return $netmask <= 128;
}
return false;
}
function valid_hostname($hostname) {
return filter_var($hostname, FILTER_VALIDATE_DOMAIN, FILTER_FLAG_HOSTNAME);
}
// Thanks to https://stackoverflow.com/a/49373789
// Validates exact ip matches and ip-in-cidr, ipv4 and ipv6
function ip_acl($ip, $networks) {
foreach($networks as $network) {
if (filter_var($network, FILTER_VALIDATE_IP)) {
if ($ip == $network) {
return true;
}
else {
continue;
}
}
$ipb = inet_pton($ip);
$iplen = strlen($ipb);
if (strlen($ipb) < 4) {
continue;
}
$ar = explode('/', $network);
$ip1 = $ar[0];
$ip1b = inet_pton($ip1);
$ip1len = strlen($ip1b);
if ($ip1len != $iplen) {
continue;
}
if (count($ar)>1) {
$bits=(int)($ar[1]);
}
else {
$bits = $iplen * 8;
}
for ($c=0; $bits>0; $c++) {
$bytemask = ($bits < 8) ? 0xff ^ ((1 << (8-$bits))-1) : 0xff;
if (((ord($ipb[$c]) ^ ord($ip1b[$c])) & $bytemask) != 0) {
continue 2;
}
$bits-=8;
}
return true;
}
return false;
}
function hash_password($password) {
$salt_str = bin2hex(openssl_random_pseudo_bytes(8));
return "{SSHA256}".base64_encode(hash('sha256', $password . $salt_str, true) . $salt_str);
@@ -1160,178 +1230,106 @@ function admin_api($access, $action, $data = null) {
);
return false;
}
switch ($access) {
case "rw":
switch ($action) {
case "edit":
$active = (isset($data['active'])) ? 1 : 0;
$skip_ip_check = (isset($data['skip_ip_check'])) ? 1 : 0;
$allow_from = array_map('trim', preg_split( "/( |,|;|\n)/", $data['allow_from']));
foreach ($allow_from as $key => $val) {
if (empty($val)) {
continue;
}
if (!filter_var($val, FILTER_VALIDATE_IP)) {
$_SESSION['return'][] = array(
'type' => 'warning',
'log' => array(__FUNCTION__, $data),
'msg' => array('ip_invalid', htmlspecialchars($allow_from[$key]))
);
unset($allow_from[$key]);
continue;
}
}
$allow_from = implode(',', array_unique(array_filter($allow_from)));
if (empty($allow_from) && $skip_ip_check == 0) {
$_SESSION['return'][] = array(
'type' => 'danger',
'log' => array(__FUNCTION__, $data),
'msg' => 'ip_list_empty'
);
return false;
}
$api_key = implode('-', array(
strtoupper(bin2hex(random_bytes(3))),
strtoupper(bin2hex(random_bytes(3))),
strtoupper(bin2hex(random_bytes(3))),
strtoupper(bin2hex(random_bytes(3))),
strtoupper(bin2hex(random_bytes(3)))
));
$stmt = $pdo->query("SELECT `api_key` FROM `api` WHERE `access` = 'rw'");
$num_results = count($stmt->fetchAll(PDO::FETCH_ASSOC));
if (empty($num_results)) {
$stmt = $pdo->prepare("INSERT INTO `api` (`api_key`, `skip_ip_check`, `active`, `allow_from`, `access`)
VALUES (:api_key, :skip_ip_check, :active, :allow_from, 'rw');");
$stmt->execute(array(
':api_key' => $api_key,
':skip_ip_check' => $skip_ip_check,
':active' => $active,
':allow_from' => $allow_from
));
}
else {
if ($skip_ip_check == 0) {
$stmt = $pdo->prepare("UPDATE `api` SET `skip_ip_check` = :skip_ip_check, `active` = :active, `allow_from` = :allow_from WHERE `access` = 'rw';");
$stmt->execute(array(
':active' => $active,
':skip_ip_check' => $skip_ip_check,
':allow_from' => $allow_from
));
}
else {
$stmt = $pdo->prepare("UPDATE `api` SET `skip_ip_check` = :skip_ip_check, `active` = :active WHERE `access` = 'rw';");
$stmt->execute(array(
':active' => $active,
':skip_ip_check' => $skip_ip_check
));
}
}
break;
case "regen_key":
$api_key = implode('-', array(
strtoupper(bin2hex(random_bytes(3))),
strtoupper(bin2hex(random_bytes(3))),
strtoupper(bin2hex(random_bytes(3))),
strtoupper(bin2hex(random_bytes(3))),
strtoupper(bin2hex(random_bytes(3)))
));
$stmt = $pdo->prepare("UPDATE `api` SET `api_key` = :api_key WHERE `access` = 'rw'");
$stmt->execute(array(
':api_key' => $api_key
));
break;
case "get":
$stmt = $pdo->query("SELECT * FROM `api` WHERE `access` = 'rw'");
$apidata = $stmt->fetch(PDO::FETCH_ASSOC);
return $apidata;
break;
if ($access !== "ro" && $access !== "rw") {
$_SESSION['return'][] = array(
'type' => 'danger',
'log' => array(__FUNCTION__),
'msg' => 'invalid access type'
);
return false;
}
if ($action == "edit") {
$active = (!empty($data['active'])) ? 1 : 0;
$skip_ip_check = (isset($data['skip_ip_check'])) ? 1 : 0;
$allow_from = array_map('trim', preg_split( "/( |,|;|\n)/", $data['allow_from']));
foreach ($allow_from as $key => $val) {
if (empty($val)) {
unset($allow_from[$key]);
continue;
}
case "ro":
switch ($action) {
case "edit":
$active = (isset($data['active'])) ? 1 : 0;
$skip_ip_check = (isset($data['skip_ip_check'])) ? 1 : 0;
$allow_from = array_map('trim', preg_split( "/( |,|;|\n)/", $data['allow_from']));
foreach ($allow_from as $key => $val) {
if (empty($val)) {
continue;
}
if (!filter_var($val, FILTER_VALIDATE_IP)) {
$_SESSION['return'][] = array(
'type' => 'warning',
'log' => array(__FUNCTION__, $data),
'msg' => array('ip_invalid', htmlspecialchars($allow_from[$key]))
);
unset($allow_from[$key]);
continue;
}
}
$allow_from = implode(',', array_unique(array_filter($allow_from)));
if (empty($allow_from) && $skip_ip_check == 0) {
$_SESSION['return'][] = array(
'type' => 'danger',
'log' => array(__FUNCTION__, $data),
'msg' => 'ip_list_empty'
);
return false;
}
$api_key = implode('-', array(
strtoupper(bin2hex(random_bytes(3))),
strtoupper(bin2hex(random_bytes(3))),
strtoupper(bin2hex(random_bytes(3))),
strtoupper(bin2hex(random_bytes(3))),
strtoupper(bin2hex(random_bytes(3)))
));
$stmt = $pdo->query("SELECT `api_key` FROM `api` WHERE `access` = 'ro'");
$num_results = count($stmt->fetchAll(PDO::FETCH_ASSOC));
if (empty($num_results)) {
$stmt = $pdo->prepare("INSERT INTO `api` (`api_key`, `skip_ip_check`, `active`, `allow_from`, `access`)
VALUES (:api_key, :skip_ip_check, :active, :allow_from, 'ro');");
$stmt->execute(array(
':api_key' => $api_key,
':skip_ip_check' => $skip_ip_check,
':active' => $active,
':allow_from' => $allow_from
));
}
else {
if ($skip_ip_check == 0) {
$stmt = $pdo->prepare("UPDATE `api` SET `skip_ip_check` = :skip_ip_check, `active` = :active, `allow_from` = :allow_from WHERE `access` = 'ro';");
$stmt->execute(array(
':active' => $active,
':skip_ip_check' => $skip_ip_check,
':allow_from' => $allow_from
));
}
else {
$stmt = $pdo->prepare("UPDATE `api` SET `skip_ip_check` = :skip_ip_check, `active` = :active WHERE `access` = 'ro';");
$stmt->execute(array(
':active' => $active,
':skip_ip_check' => $skip_ip_check
));
}
}
break;
case "regen_key":
$api_key = implode('-', array(
strtoupper(bin2hex(random_bytes(3))),
strtoupper(bin2hex(random_bytes(3))),
strtoupper(bin2hex(random_bytes(3))),
strtoupper(bin2hex(random_bytes(3))),
strtoupper(bin2hex(random_bytes(3)))
));
$stmt = $pdo->prepare("UPDATE `api` SET `api_key` = :api_key WHERE `access` = 'ro'");
$stmt->execute(array(
':api_key' => $api_key
));
break;
case "get":
$stmt = $pdo->query("SELECT * FROM `api` WHERE `access` = 'ro'");
$apidata = $stmt->fetch(PDO::FETCH_ASSOC);
return $apidata;
break;
if (valid_network($val) !== true) {
$_SESSION['return'][] = array(
'type' => 'warning',
'log' => array(__FUNCTION__, $data),
'msg' => array('ip_invalid', htmlspecialchars($allow_from[$key]))
);
unset($allow_from[$key]);
continue;
}
break;
}
$allow_from = implode(',', array_unique(array_filter($allow_from)));
if (empty($allow_from) && $skip_ip_check == 0) {
$_SESSION['return'][] = array(
'type' => 'danger',
'log' => array(__FUNCTION__, $data),
'msg' => 'ip_list_empty'
);
return false;
}
$api_key = implode('-', array(
strtoupper(bin2hex(random_bytes(3))),
strtoupper(bin2hex(random_bytes(3))),
strtoupper(bin2hex(random_bytes(3))),
strtoupper(bin2hex(random_bytes(3))),
strtoupper(bin2hex(random_bytes(3)))
));
$stmt = $pdo->query("SELECT `api_key` FROM `api` WHERE `access` = '" . $access . "'");
$num_results = count($stmt->fetchAll(PDO::FETCH_ASSOC));
if (empty($num_results)) {
$stmt = $pdo->prepare("INSERT INTO `api` (`api_key`, `skip_ip_check`, `active`, `allow_from`, `access`)
VALUES (:api_key, :skip_ip_check, :active, :allow_from, :access);");
$stmt->execute(array(
':api_key' => $api_key,
':skip_ip_check' => $skip_ip_check,
':active' => $active,
':allow_from' => $allow_from,
':access' => $access
));
}
else {
if ($skip_ip_check == 0) {
$stmt = $pdo->prepare("UPDATE `api` SET `skip_ip_check` = :skip_ip_check,
`active` = :active,
`allow_from` = :allow_from
WHERE `access` = :access;");
$stmt->execute(array(
':active' => $active,
':skip_ip_check' => $skip_ip_check,
':allow_from' => $allow_from,
':access' => $access
));
}
else {
$stmt = $pdo->prepare("UPDATE `api` SET `skip_ip_check` = :skip_ip_check,
`active` = :active
WHERE `access` = :access;");
$stmt->execute(array(
':active' => $active,
':skip_ip_check' => $skip_ip_check,
':access' => $access
));
}
}
}
elseif ($action == "regen_key") {
$api_key = implode('-', array(
strtoupper(bin2hex(random_bytes(3))),
strtoupper(bin2hex(random_bytes(3))),
strtoupper(bin2hex(random_bytes(3))),
strtoupper(bin2hex(random_bytes(3))),
strtoupper(bin2hex(random_bytes(3)))
));
$stmt = $pdo->prepare("UPDATE `api` SET `api_key` = :api_key WHERE `access` = :access");
$stmt->execute(array(
':api_key' => $api_key,
':access' => $access
));
}
elseif ($action == "get") {
$stmt = $pdo->query("SELECT * FROM `api` WHERE `access` = '" . $access . "'");
$apidata = $stmt->fetch(PDO::FETCH_ASSOC);
$apidata['allow_from'] = str_replace(',', PHP_EOL, $apidata['allow_from']);
return $apidata;
}
$_SESSION['return'][] = array(
'type' => 'success',